Qingfeng Li

  1. 2014
  2. Published

    Binderless electrodes for high-temperature polymer electrolyte membrane fuel cells. / Fernandez, Santiago Martin; Li, Qingfeng; Steenberg, Thomas; Jensen, Jens Oluf.

    In: Journal of Power Sources, Vol. 272, 2014, p. 559-566.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  3. Published

    Determining the platinum loading and distribution of industrial scale polymer electrolyte membrane fuel cell electrodes using low energy X-ray imaging. / Holst, T.; Vassiliev, Anton; Kerr, R.; Li, Qingfeng; Steenberg, Thomas; Terkelsen, C.; Hjuler, Hans Aage.

    In: Journal of Power Sources, Vol. 270, 2014, p. 208-212.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  4. Published

    Direct Dimethyl Ether High Temperature Fuel Cells. / Vassiliev, Anton; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels J.

    2014. Abstract from Emerging Industries Forum 2014, Dalian, China.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2014

  5. Published

    Direct Dimethyl Ether High Temperature PEM Fuel Cells. / Vassiliev, Anton (Author); Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Bjerrum, Niels J. (Author).

    2014. Challenges in HT PEFCs Workshop, Lyngby, Denmark, 15/01/14.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2014

  6. Published
  7. E-pub ahead of print
  8. Published
  9. Published

    High Molecular Weight Polybenzimidazole Membranes for High Temperature PEMFC. / Yang, Jingshuai; Cleemann, Lars Nilausen; Steenberg, T.; Terkelsen, C.; Li, Qingfeng; Jensen, Jens Oluf; Hjuler, H. A.; Bjerrum, Niels J.; He, R. H.

    In: Fuel Cells, Vol. 14, No. 1, 2014, p. 7-15.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  10. Published
  11. Published

    High Temperature PEM Fuel Cells and Organic Fuels. / Vassiliev, Anton; Bjerrum, Niels J. (Main supervisor); Jensen, Jens Oluf (Supervisor); Li, Qingfeng (Supervisor).

    Department of Energy Conversion and Storage, Technical University of Denmark, 2014. 182 p.

    Publication: ResearchPh.D. thesis – Annual report year: 2014

  12. Published
  13. Published
  14. Published
  15. Published

    meta-PBI/methylated PBI-OO blend membranes for acid doped HT PEMFC. / Cho, Hyeongrae; Hur, Eun; Henkensmeier, Dirk; Jeong, Gisu; Cho, Eunae; Kim, Hyoung Juhn; Jang, Jong Hyun; Lee, Kwan Young; Hjuler, Hans Aage; Li, Qingfeng; Jensen, Jens Oluf; Cleemann, Lars Nilausen.

    In: European Polymer Journal, Vol. 58, 2014, p. 135-143.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  16. Published

    Insights to durability and impedance of direct DME HT-PEM FCs. / Vassiliev, Anton; Jensen, Jens Oluf; Li, Qingfeng.

    2014. Abstract from CARISMA 2014 Conference, Cape Town, South Africa.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2014

  17. Published
  18. Published
  19. Published
  20. Published

    Invited: A Stability Study of Alkali Doped PBI Membranes for Alkaline Electrolyzer Cells. / Jensen, Jens Oluf; Aili, David; Hansen, Martin Kalmar; Li, Qingfeng; Bjerrum, Niels Janniksen; Christensen, Erik.

    Proceedings of 2014 ECS and SMEQ Joint International Meeting. Vol. MA2014-02 2014. p. 201278-1278 (ECS Meeting Abstracts ).

    Publication: ResearchConference abstract in proceedings – Annual report year: 2014

  21. Published
  22. Published
  23. Published
  24. Published

    Physicochemical Properties of 1,2,4-Triazolium Perfluorobutanesulfonate As an Archetypal Pure Protic Organic Ionic Plastic Crystal Electrolyte. / Luo, Jiangshui; Brooks, Neil R.; Sniekers, Jeroen; Jensen, Annemette Hindhede; Li, Qingfeng; Knipper, Martin; Vanroy, Bram; Wübbenhorst, Michael; Shi, Chengzhen; Yan, Feng; Fang, Jianhua; Van Meervelt, Luc; Binnemans, Koen; Fransaer, Jan.

    Proceedings of the 2014 Electrochemical Conference on Energy & the Environment (ECEE). Vol. MA2014-03 2014. p. 20458-458 (ECS Meeting Abstracts ).

    Publication: ResearchConference abstract in proceedings – Annual report year: 2014

  25. Published

    Polybenzimidazole and sulfonated polyhedral oligosilsesquioxane composite membranes for high temperature polymer electrolyte membrane fuel cells. / Aili, David; Allward, Todd; Alfaro, Silvia Martinez; Hartmann-Thompson, Claire; Steenberg, Thomas; Hjuler, Hans Aage; Li, Qingfeng; Jensen, Jens Oluf; Stark, Edmund J.

    In: Electrochimica Acta, Vol. 140, 2014, p. 182-190.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  26. Published

    Poly(imide benzimidazole)s for high temperature polymer electrolyte membrane fuel cells. / Yuan, Sen; Guo, Xiaoxia; Aili, David; Pan, Chao; Li, Qingfeng; Fang, Jianhua.

    In: Journal of Membrane Science, Vol. 454, 2014, p. 351-358.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  27. Published

    Polymers for Fuel Cells. / Aili, David; Jensen, Jens Oluf; Li, Qingfeng.

    Encyclopedia of Polymeric Nanomaterials. Springer, 2014.

    Publication: Research - peer-reviewEncyclopedia chapter – Annual report year: 2014

  28. Published

    The Electrochemical Behavior of Phosphoric-Acid-Doped Poly(perfluorosulfonic Acid) Membranes. / Aili, David; Savinell, Robert F; Jensen, Jens Oluf; Cleemann, Lars Nilausen; Bjerrum, Niels J.; Li, Qingfeng.

    In: ChemElectroChem, Vol. 1, 2014, p. 1471–1475.

    Publication: Research - peer-reviewJournal article – Annual report year: 2014

  29. Published
  30. Published

    Water steam electrolysis at intermediate temperature with Sn0.9In0.1P2O7 solid electrolyte. / Prag, Carsten Brorson; Christensen, Erik; Li, Qingfeng; Bjerrum, Niels J.

    2014. Poster session presented at World Hydrogen Energy Conference 2014, Gwangju Metropolitan City, Korea, Republic of.

    Publication: ResearchPoster – Annual report year: 2014

  31. 2013
  32. Published

    Activity and Durability Studies of Nanoparticulate, Thin Film and Bulk Electrocatalysts and they Supporting Materials for PEM and DMFCs. / Permyakova, Anastasia Aleksandrovna; Han, Binghong ; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels J.; Shao-Hom, Yang.

    2013. Poster session presented at DTU Energy Conversion PhD symposium 2013, Roskilde, Denmark.

    Publication: ResearchPoster – Annual report year: 2014

  33. Published
  34. Published

    A Quaternary Polybenzimidazole Membrane for Intermediate Temperature Polymer Electrolyte Membrane Fuel Cells. / Xu, C.; Scott, K.; Li, Qingfeng; Yang, J.; Wu, X.

    In: Fuel Cells, Vol. 13, No. 2, 2013, p. 118-125.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  35. Published

    Benzimidazole grafted polybenzimidazoles for proton exchange membrane fuel cells. / Yang, Jingshuai; Aili, David; Li, Qingfeng; Xu, Yixin; Liu, Peipei; Che, Quantong; Jensen, Jens Oluf; Bjerrum, Niels J.; He, Ronghuan.

    In: Polymer Chemistry, Vol. 4, No. 17, 2013, p. 4768-4775.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  36. Published

    Catalyst Degradation in High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranes. / Cleemann, Lars Nilausen; Buazar, F.; Li, Qingfeng; Jensen, Jens Oluf; Pan, Chao; Steenberg, T.; Dai, S.; Bjerrum, Niels J.

    In: Fuel Cells, Vol. 13, No. 5, 2013, p. 822-831.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  37. Published

    Conductivity of Composite Material Based on System NdPO4·nH2OCsH2PO4. / Anfimova, Tatiana; Bjerrum, Niels J.; Li, Qingfeng.

    In: Advanced Materials Research, Vol. 699, 2013, p. 398-402.

    Publication: Research - peer-reviewConference article – Annual report year: 2013

  38. Published
  39. Published

    Crosslinked Hexafluoropropylidene Polybenzimidazole Membranes with Chloromethyl Polysulfone for Fuel Cell Applications. / Yang, Jingshuai; Li, Qingfeng; Cleemann, Lars Nilausen; Jensen, Jens Oluf; Pan, Chao; Bjerrum, Niels J.; He, Ronghuan.

    In: Advanced Energy Materials, Vol. 3, No. 5, 2013, p. 622-630.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  40. Published
  41. Published

    Fabrication and Characterizations of Materials and Components for Intermediate Temperature Fuel Cells and Water Electrolysers. / Jensen, Annemette Hindhede; Prag, Carsten Brorson; Li, Qingfeng; Christensen, Erik; Bjerrum, Niels J.

    2013. Poster session presented at International Symposium on Water Electrolysis and Hydrogen as part of the future Renewable Energy System, Copenhagen, Denmark.

    Publication: ResearchPoster – Annual report year: 2013

  42. Published
  43. Published

    Hydroxyl pyridine containing polybenzimidazole membranes for proton exchange membrane fuel cells. / Yang, Jingshuai; Xu, Yixin; Zhou, Lu; Che, Quantong; He, Ronghuan; Li, Qingfeng.

    In: Journal of Membrane Science, Vol. 446, 2013, p. 318-325.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  44. Published
  45. Published

    Oxidative degradation of acid doped polybenzimidazole membranes and fuel cell durability in the presence of ferrous ions. / Liao, Jianhui; Yang, Jingshuai; Li, Qingfeng; Cleemann, Lars Nilausen; Jensen, Jens Oluf; Bjerrum, Niels J.; He, Ronghuan; Xing, Wei.

    In: Journal of Power Sources, Vol. 238, 2013, p. 516-522.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  46. Published
  47. Published

    Polybenzimidazole Membranes Containing Benzimidazole Side Groups for High Temprature Polymer Electrolyte Membrane Fuel Cells. / Yang, Jingshuai ; Li, Xueyuan; Xu, Yizin; Che, Quantong; He, Ronghuan; Li, Qingfeng.

    In: Advanced Materials Research, Vol. 716, 2013, p. 310-313.

    Publication: Research - peer-reviewConference article – Annual report year: 2014

  48. Published

    Synthesis of self-supported non-precious metal catalysts for oxygen reduction reaction with preserved nanostructures from the polyaniline nanofiber precursor. / Hu, Yang; Zhao, Xiao; Huang, Yunjie; Li, Qingfeng; Bjerrum, Niels J.; Liu, Changpeng; Xing, Wei.

    In: Journal of Power Sources, Vol. 225, 2013, p. 129-136.

    Publication: Research - peer-reviewJournal article – Annual report year: 2013

  49. Published
  50. 2012
  51. Published

    A Direct DME High Temperature PEM Fuel Cell. / Vassiliev, Anton; Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Cleemann, Lars Nilausen; Steenberg, T.; Bjerrum, Niels.

    In: E C S Transactions, Vol. 50, 2012.

    Publication: Research - peer-reviewConference article – Annual report year: 2012

  52. Published

    Anion conducting polymer membranes for hydrogen production through alkaline water electrolysis. / Aili, David; Li, Qingfeng; Christensen, Erik; Jensen, Jens Oluf; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 78-78.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  53. Published
  54. Published

    Antimony Doped Tin Oxides and Their Composites with Tin pyrophosphates as Catalyst Supports for Oxygen Evolution Reaction in Proton Exchange Membrane Water Electrolysis. / Xu, Junyuan; Li, Qingfeng; Christensen, Erik; Wang, Xindong .

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 79-79.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  55. Published

    Bifunctional Pt-Si Alloys for Small Organic Molecule Electro-oxidation. / Permyakova, Anastasia Aleksandrovna; Suntivich, Jin ; Han, Binghong ; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels; Shao-Horn, Yang.

    2012. Abstract from 2012 MRS Fall Meeting & Exhibit, Boston, MA, United States.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2012

  56. Published

    Conductive Properties of Neodymium Phosphate composites Investigated by Electrochemical Impedance Spectra. / Anfimova, Tatiana; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    2012. Poster session presented at 16th Solid State Protonic Conductors (SSPC16), Grenoblef, France.

    Publication: ResearchPoster – Annual report year: 2012

  57. Published

    Conductivity of NdPO4-CsH2PO4 composites investigated by electrochemical impedance spectroscopy. / Anfimova, Tatiana; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 80-80.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  58. Published

    Cross-linked aromatic cationic polymer electrolytes with enhanced stability for high temperature fuel cell applications. / Ma, Wenjia; Zhao, Chengji; Yang, Jingshuai; Ni, Jing; Wang, Shuang; Zhang, Na; Lin, Haidan; Wang, Jing; Zhang, Gang; Li, Qingfeng; Na, Hui.

    In: Energy & Environmental Science, Vol. 5, No. 6, 2012, p. 7617-7625.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  59. Published
  60. Published

    Direct dimethyl ether high temperature polymer electrolyte membrane fuel cells. / Vassiliev, Anton; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    2012. Poster session presented at Energieffektivisering for fremtiden, Kgs.Lyngby, Denmark.

    Publication: ResearchPoster – Annual report year: 2012

  61. Published

    Direct dimethyl ether high temperature polymer electrolyte membrane fuel cells with improved performance. / Vassiliev, Anton; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 105-105.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  62. Published

    Efficient electrocatalytic oxygen reduction over selfsupported polyaniline-based non-precious metal catalyst. / Hu, Yang; Zhao, Xiao; Li, Qingfeng; Huang, Yunjie; Bjerrum, Niels; Liu, Changpeng; Xing, Wei.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 96-96.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  63. Published

    Energy Dispersive X-ray Analysis used to quantify the Phosphoric Acid Doping Level in Polybenzimidazole based Fuel Cells. / Holst, Thorsten; Steenberg, Thomas; Hjuler, Hans Aage; Terkelsen, Carina; Garcia, Hector R.; Jensen, Jens Oluf; Cleemann, Lars Nilausen; Li, Qingfeng; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 109-109.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  64. Published

    Fabrication and Characterization of Proton Conducting Phosphate Electrolytes for Intermediate Temperature Fuel Cell Assembling. / Jensen, Annemette Hindhede; Li, Qingfeng; Anfimova, Tatiana; Christensen, Erik; Barner, Jens H. Von; Bjerrum, Niels J.

    2012. Abstract from Nordic Conference on Ceramic and Glass Technology, Roskilde, Denmark.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2013

  65. Published

    High Temperature Polymer Fuel Cells: From laboratory towards commercialization. / Hjuler, Hans Aage; Steenberg, Thomas; Terkelsen, C.; Jensen, Jens Oluf; Cleemann, Lars Nilausen; Li, Qingfeng; Bjerrum, Niels; Andreasen, S.J.; Kær, S.K.

    2012. Paper presented at 45th Power Sources Conference, Las Vegas, United States.

    Publication: ResearchPaper – Annual report year: 2012

  66. Published
  67. Published

    Niobium Phosphates as Intermediate Temperature Proton Conductor. / Huang, Yunjie; Li, Qingfeng; Pan, Chao; Jensen, Jens Oluf; Christensen, Erik; Cleemann, Lars Nilausen; Jensen, Annemette Hindhede; Anfimova, Tatiana; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 77-77.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  68. Published
  69. Published

    Phosphoric acid doped imidazolium polysulfone membranes for high temperature proton exchange membrane fuel cells. / Yang, Jingshuai; Li, Qingfeng; Jensen, Jens Oluf; Pan, Chao; Cleemann, Lars Nilausen; Bjerrum, Niels J.; He, Ronghuan.

    In: Journal of Power Sources, Vol. 205, 2012, p. 114-121.

    Publication: Research - peer-reviewJournal article – Annual report year: 2012

  70. Published

    Poly(aryl sulfone benzimidazole) and its coplolymers as high temperature membrane electrolyte foe fuel cells. / Yang, J.S.; Li, Qingfeng; Cleemann, Lars Nilausen; Jensen, Jens Oluf; Pan, Chao; Bjerrum, Niels; He, R.H.

    2012. Paper presented at 7th International Green Energy Conference and the 1st DNL Conference on Clean Energy , Dalian, China.

    Publication: ResearchPaper – Annual report year: 2012

  71. Published

    Poly(benzimidazole)–functionalized graphene as a stable and durable support for PEM fuel cell electrocatalysts. / Permyakova, Anastasia Aleksandrovna; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 93-93.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  72. Published

    Poly(benzimidazole)–functionalized graphene supported Pt electrocatalyst and its application in high temperature PEM fuel cells. / Permyakova, Anastasia Aleksandrovna; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    Abstract book - Pacific Rim Meeting on Electrochemical and Solid-State Science: 222nd Meeting of ECS — The Electrochemical Society and 2012 Fall Meeting of The Electrochemical Society of Japan. 2012. Abstract #1424.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  73. Published

    Polybenzimidazoles – Synthesis, characterizations and applications in the form of membranes. / Li, Qingfeng; Aili, David; Rudbeck, Hans Christian; Yang, Jingshuai; Jensen, Jens Oluf; Bjerrum, Niels.

    Advances in Materials Science Research. ed. / Maryann C. Wythers. Vol. 14 Nova Science Publishers, Incorporated, 2012. p. 1-56 (Advances in Materials Science Research, Vol. 14).

    Publication: Research - peer-reviewBook chapter – Annual report year: 2012

  74. Published

    Proton Conductive Niobium Phosphates as Electrolytes for Fuel Cells Operating with Renewable Biofuels. / Huang, Yunjie; Li, Qingfeng; Anfimova, Tatiana; Jensen, Annemette Hindhede; Jensen, Jens Oluf; Christensen, Erik; Bjerrum, Niels.

    2012. Paper presented at Pacific Rim Meeting on Electrochemical and Solid-State Science, Honolulu, United States.

    Publication: Research - peer-reviewPaper – Annual report year: 2012

  75. Published

    Proton Conductivity of Refractory Metal Phosphates at Intermediate Temperatures. / Li, Qingfeng (Author); Huang, Yunjie (Author); Anfimova, Tatiana (Author); Jensen, Jens Oluf (Author); Christensen, Erik (Author); Bjerrum, Niels (Author).

    2012. 16th Solid State Protonic Conductors (SSPC16), Grenoblef, France, 10/09/12.

    Publication: Research - peer-reviewSound/Visual production (digital) – Annual report year: 2012

  76. Published

    Recent Development of Acid Doped Polybenzimidazole Membranes in Denmark - Polymer Chemistry and Durability Issues. / Li, Qingfeng; Jensen, Jens Oluf; Cleemann, Lars Nilausen; Aili, David; Yang, Jingshuai; Steenberg, Thomas ; Terkelsen, Carina; Hjuler, Hans Aage; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 36-36.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  77. Published
  78. Published
  79. Published

    Transition metal carbides as electrode materials for HT PEM systems. / Tomás García, Antonio Luis; Li, Qingfeng; Bjerrum, Niels J.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 97-97.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  80. Published

    Tungsten carbide promoted Pd and Pd-Co electrocatalysts for formic acid electrooxidation. / Yin, Min; Li, Qingfeng; Jensen, Jens Oluf; Huang, Yunjie; Cleemann, Lars Nilausen; Bjerrum, Niels; Xing, Wei.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 95-95.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  81. Published
  82. Published

    Water Electrolysis using Polymeric Electrolyte Membranes at Elevated Temperatures. / Christensen, Erik; Hansen, Martin Kalmar; Aili, David; Nikiforov, Aleksey; Pan, Chao; Xu, Junyuan; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells. 2012. p. 51-51.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2012

  83. 2011
  84. Published
  85. Published

    Development and Characterisation of Active and Durable Electrocatalysts for HT-PEM Fuel Cells 2. / Permyakova, Anastasia Aleksandrovna; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    Advanced Studies of Polymer Electrolyte Fuel Cells, The book of 4th International Summer School. Verlag der Technischen Universität Graz, 2011. p. 96-98.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2011

  86. Published
  87. Published
  88. Published

    Method of operating a direct dme fuel cell system. / Jensen, Jens Oluf (Inventor); Li, Qingfeng (Inventor); Bjerrum, Niels (Inventor); Steenberg, Thomas (Inventor).

    IPC No.: H01M8/04. Patent No.: WO2011035784. Mar 31, 2011.

    Publication: ResearchPatent – Annual report year: 2012

  89. Published

    Oxidative degradation of polybenzimidazole membranes as electrolytes for high temperature proton exchange membrane fuel cells. / Liao, J.H.; Li, Qingfeng; Rudbeck, H.C.; Jensen, Jens Oluf; Chromik, A.; Bjerrum, Niels; Kerres, J.; Xing, W.

    In: Fuel Cells, Vol. 11, No. 6, 2011, p. 745-755.

    Publication: Research - peer-reviewConference article – Annual report year: 2011

  90. Published

    Performance and durability of high performance MEAs for high temperature PBI fuel cells. / Hjuler, Hans Aage; Steenberg, Thomas; Rudbeck, H.C.; Cleemann, Lars Nilausen; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    2011. Paper presented at Hydrogen and Fuel Cells 2011 (HFC2011), Vancouver, British Columbia, Canada.

    Publication: Research - peer-reviewPaper – Annual report year: 2012

  91. Published
  92. Published
  93. Published

    Recent progress in material development and durability evaluation. / Li, Qingfeng; Aili, David; Jensen, Jens Oluf; Cleemann, Lars Nilausen; Rudbeck, H.C.; Steenberg, Thomas; Hjuler, Hans Aage; Bjerrum, Niels.

    2011. Paper presented at Hydrogen and Fuel Cells 2011 (HFC2011), Vancouver, British Columbia, Canada.

    Publication: Research - peer-reviewPaper – Annual report year: 2011

  94. 2010
  95. Published

    1.7 nm Platinum Nanoparticles: Synthesis with Glucose Starch, Characterization and Catalysis. / Engelbrekt, Christian; Sørensen, Karsten Holm; Lubcke, T.; Zhang, Jingdong; Li, Qingfeng; Pan, Chao; Bjerrum, Niels; Ulstrup, Jens.

    In: ChemPhysChem, Vol. 11, No. 13, 2010, p. 2844-2853.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  96. Published

    A direct DME fuel cell based on acid doped PBI. / Jensen, Jens Oluf; Ingemann Olsen, M; Li, Qingfeng; Vassiliev, Anton; Pan, Chao; Steenberg, Thomas; Bjerrum, Niels.

    2010. Abstract from Progress MEA 2010, La Grande Motte, France.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2010

  97. Published

    Development and Characterizations of High Performance MEAs For High Temperature PBI Fuel Cells. / Hjuler, Hans Aage; Steenberg, Thomas; Rudbeck, Hans Christian; Cleemann, Lars Nilausen; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    2010. Abstract from Progress MEA 2010, La Grande Motte, France.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2010

  98. Published

    Durability Issues and Status of High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranes. / Li, Qingfeng (Author); Jensen, Jens Oluf (Author); Pan, Chao (Author); Liao, Jianhui (Author); Rudbeck, Hans Christian (Author); Cleemann, Lars Nilausen (Author); Bjerrum, Niels (Author).

    2010. 217th Electrochemical Society Meeting, Vancouver, Canada, 25/04/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  99. Published

    Electrocatalytic properties of Ti/Pt–IrO2 anode for oxygen evolution in PEM water electrolysis. / Ye, Feng; Li, Jianling; Wang, Xindong; Wang, Tongtao; Li, Shanmei; Wei, Haojie; Li, Qingfeng; Christensen, Erik.

    In: International Journal of Hydrogen Energy, Vol. 35, No. 15, 2010, p. 8049-8055.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  100. Published

    High Temperature PEMFC and Its Integration with Fuel Processors - An Approach to Portable Fuel Cells. / Li, Qingfeng (Invited author); Jensen, Jens Oluf (Invited author); Bjerrum, Niels (Invited author).

    2010. International Symposium on Portable Fuel Cells, Changxing, China, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  101. Published

    Introduktion til højtemperatur PEM brændselsceller. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Bjerrum, Niels (Author).

    2010. HotMEA thematic day, Technical University of Denmark, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  102. Published

    Nafion ®-Polybenzimidazole-Zirconium Phosphate composite membranes for steam electrolysis applications. / Aili, David; Hansen, Martin Kalmar; Li, Qingfeng; Bjerrum, Niels.

    2010. Poster session presented at ProgressMEA 2010: Progress in MEA Materials for Medium and High Temperature Polymer Electrolyte Fuel Cells, La Grande Motte, France.

    Publication: Research - peer-reviewPoster – Annual report year: 2010

  103. Published

    Ongoing Efforts Addressing Degradation of High Temperature PEMFC. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Bjerrum, Niels (Author).

    2010. 18th World Hydrogen Energy Conference 2010, Essen, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  104. Published

    PEM fuel cells, Towards higher working temperature. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Bjerrum, Niels (Author).

    2010. HySA seminar, University of Western Cape, Cape Town, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  105. Published

    Polymer Degradation and Catalyst Sintering in High Temperature PEMFC Based on Acid Doped Polybenzimidazole Membranes. / Li, Qingfeng; Jensen, Jens Oluf; Rudbeck, Hans Christian; Liao, Jianhui; Cleemann, Lars Nilausen; Chromik, A; Kerres, J; Bjerrum, Niels.

    2010. Abstract from Progress MEA 2010, La Grande Motte, France.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2010

  106. Published

    Possibilities of High Temperature PEMFC as Compared with Conventional PEMFC. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Bjerrum, Niels (Author).

    2010. “Proton conducting materials at high temperature and their applications” HyFC Academy Workshop, Department of Chemistry, Technical University of Denmark, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  107. Published

    Properties, degradation and high temperature fuel cell test of different types of PBI and PBI blend membranes. / Li, Qingfeng; Rudbeck, Hans Christian; Chromik, Andreas; Jensen, Jens Oluf; Pan, Chao; Steenberg, Thomas; Calverley, Martin; Bjerrum, Niels; Kerres, Jochen.

    In: Journal of Membrane Science, Vol. 347, No. 1-2, 2010, p. 260-270.

    Publication: Research - peer-reviewJournal article – Annual report year: 2010

  108. Published

    Properties, Degradation and High Temperature Fuel Cell Test of Different Types of PBI and PBI Blend Membranes. / Kerres, Jochen A; Li, Qingfeng; Rudbeck, Hans Christian; Chromik, A; Jensen, Jens Oluf; Pan, Chao; Steenberg, Thomas; Calverley, Martin; Bjerrum, Niels.

    2010. Abstract from Progress MEA 2010, La Grande Motte, France.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2010

  109. Published

    Recent advances with high temperature PEMFC in Denmark. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Pan, Chao (Invited author); Rudbeck, Hans Christian (Invited author); Steenberg, Thomas (Invited author); Bjerrum, Niels (Invited author).

    2010. the 8h International Symposium on New Materials for Electrochemical Systems, Shanghai, China, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  110. Published

    The energy efficiency of onboard hydrogen storage. / Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    Energy efficiency. ed. / Jenny Palm. Sciyo, 2010. p. 143-156.

    Publication: Research - peer-reviewBook chapter – Annual report year: 2010

  111. Published

    The Energy Efficiency of Onboard Hydrogen Storage. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Bjerrum, Niels (Author).

    2010. Nordic Center of Excellence on Hydrogen Storage Materials. Final workshop, Uppsala, Sweden, 01/01/10.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2010

  112. 2009
  113. Published

    CHEMISTRY, ELECTROCHEMISTRY, AND ELECTROCHEMICAL APPLICATIONS : Aluminum. / Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    Encyclopedia of Electrochemical Power Sources. Vol. Vol 1. Amsterdam : Elsevier, 2009. p. 695-708.

    Publication: Research - peer-reviewBook chapter – Annual report year: 2009

  114. Published

    Degradation of high temperature PEM fuel cells. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    2009. HyFC Academy School on Fuel Cells and Hydrogen. PEMFC’s : Degradation mechanisms and their mitigation., Vancouver, Canada, 01/01/09.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2009

  115. Published

    Durability Issues of High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranes. / Li, Qingfeng (Author); Jensen, Jens Oluf (Author); Pan, Chao (Author); Bjerrum, Niels (Author).

    2009. the 60 Annual Meeting of the International Society of Electrochemistry, Beijing, China, 01/01/09.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2009

  116. Published

    Durable Catalysts for High Temperature Proton Exchange Membrane Fuel Cells. / Li, Qingfeng (Author); Buazar, Foad (Author); Cleemann, Lars Nilausen (Author); Pan, Chao (Author); Jensen, Jens Oluf (Author); Steenberg, Thomas (Author); Christensen, Erik (Author); Bjerrum, Niels (Author).

    2009. International Symposium on Electrochemistry for Energy Conversion and Storage, Wuhan, China, 22/08/09.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2009

  117. Published

    Electrochemical promotion in the CO,H2 /(Pt/Ru)/PBI(H3PO4)/Pt/H2 membrane fuel cell system at 150°C. / Petrushina, Irina; Cleemann, Lars Nilausen; Li, Qingfeng; Bjerrum, Niels.

    Proceedings. 2nd International Conference on the Electrochemical Promotion of Catalysis (EPOCAP). France, 2009. p. 67-70.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2009

  118. Published

    Electrohemical Behavior of Molten Imidazole with Strong Acids. / Bandur, Viktor; Li, Qingfeng; Bjerrum, Niels.

    Meeting Abstracts - Electrochemical Society. Electrochemical Society, Incorporated, 2009. p. Abstract 3071.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2009

  119. Published

    Green Platinum Nanoparticles: Synthesis, Characterization and Function. / Engelbrekt, Christian; Sørensen, Karsten Holm; Lübcke, Teis; Zhang, Jingdong; Li, Qingfeng; Pan, Chao; Bjerrum, Niels; Ulstrup, Jens.

    2009. Poster session presented at NanoDay 2009, Kgs. Lyngby, Denmark, .

    Publication: Research - peer-reviewPoster – Annual report year: 2009

  120. Published

    High Temperature PEM Fuel Cells : From Membranes to Stacks. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    2009. Abstract from HySA Systems Seminar, Cape Town, South Africa, .

    Publication: ResearchConference abstract for conference – Annual report year: 2009

  121. Published

    High temperature PEM fuel cells in Denmark. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Bjerrum, Niels.

    2009. Paper presented at Presentaion at Kolon Industries, Suwon, Seoul, Korea, .

    Publication: ResearchPaper – Annual report year: 2009

  122. Published

    High temperature PEM fuel cells in Denmark : Part I: Introduction to HT-PEMFC, selected results, Part II: Durability, Electrolysis, activities in Denmark. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    2009. Abstract from Seminar at Fuel Cell Research Center, Korean Institute of Energy Research, KIER, Daejeon, Korea, .

    Publication: ResearchConference abstract for conference – Annual report year: 2009

  123. Published

    High temperature PEM fuel cells in Denmark. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Bjerrum, Niels (Author).

    2009. Kolon Industries, Suwon, Seoul, Korea, 01/01/09.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2009

  124. Published

    High temperature proton exchange membranes based on polybenzimidazoles for fuel cells. / Li, Qingfeng; Jensen, Jens Oluf; Savinell, Robert F; Bjerrum, Niels J.

    In: Progress in Polymer Science, Vol. 34, No. 5, 2009, p. 449-477.

    Publication: Research - peer-reviewJournal article – Annual report year: 2009

  125. Published

    Modified PFSA Membranes for PEM Electrolysers at Elevated Temperatures. / Christensen, Erik (Author); Gu, Zhuojian (Author); Aili, David (Author); Li, Qingfeng (Author); Bjerrum, Niels (Author).

    2009. International Symposium on Electrochemistry for Energy Conversion and Storage, Wuhan, China, 22/08/09.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2009

  126. Published

    Nafion-Polybenzimidazole-Zirconium Phosphate composite membranes for fuel cell and steam electrolyser applications. / Li, Qingfeng (Author); Gu, Zhuojian (Author); Aili, David (Author); Christensen, Erik (Author); Bjerrum, Niels (Author).

    2009. Membrane Science and Technology Conference of Visegrad Countries, Prague, Czech Republic, 07/06/09.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2009

  127. Published

    PEM Fuel cells. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Bjerrum, Niels.

    2009. Abstract from International Symposium on Electrochemistry for Energy Conversion and Storage, Wuhan, China.

    Publication: ResearchConference abstract for conference – Annual report year: 2009

  128. Published

    PEM fuel cells at elevated temperature. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    2009. Abstract from 3rd Symposium "Hydrogen & Energy", Braunwald, Switzerland, .

    Publication: ResearchConference abstract for conference – Annual report year: 2009

  129. Published

    Water electrolysis at elevated temperatures. / Nikiforov, Aleksey; Aili, David; Hansen, Martin Kalmar; Petrushina, Irina; Christensen, Erik; Jensen, Jens Oluf; Li, Qingfeng; Bjerrum, Niels.

    2009. Poster session presented at HyFC Academy on Fuel Cells and Hydrogen, 26-29 May, 2009, Vancuver, Canada, .

    Publication: ResearchPoster – Annual report year: 2009

  130. 2008
  131. Published

    A high temperature PEMFC integrated with a diesel reforming system. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Bandur, Viktor; Cleemann, Lars Nilausen; Bjerrum, Niels; Selimowic, Azra; Andreas, Bodén; Johansen, Lars Ø.; Seland, Frode; Tsypkin, Mikail; Kongstein, Ole Edvard; Tunold, Reidar; Mamlouk, Mohammed; Scott, Keith; Nilsson, Morten S.; Steenberg, Thomas; Schönberger, Frank; Hein, Martin; Chromik, Andreas; Kerres, Jochen; Walter, Michael; van Driel, Marinus; Scholten, Anton; Smolenaars, Jaques; Wagner, Klaus-Dieter; Wolf, Joachim; Geiss, Stefan; Yde-Andersen, Steen; de Rycke, Thibault; Kontoyannis, Christos; Zacharaki, Irene; Papatheodoru, George; Häring, Thomas; Nähring, Jens.

    Energy Materials: Advances in Characterization, Modelling and Application. Vol. 29 Roskilde, 2008. p. 275-283.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2008

  132. Published
  133. Published

    Fuel cells. / Jensen, Jens Oluf; Li, Qingfeng.

    Hydrogen Technology. ed. / A Léon; H Hahn. Springer, 2008. p. 152-184 (Green Energy and Technology).

    Publication: Research - peer-reviewBook chapter – Annual report year: 2008

  134. Published

    Partially fluorinated aarylene polyethers and their ternary blends with PBI and H3PO4. : Part II. Characterisation and fuel cell tests of the ternary membranes. / Li, Qingfeng; Jensen, Jens Oluf; Pan, Chao; Bandur, Viktor; Nilsson, M. S.; Schoenberger, F.; Chromik, A.; Hein, M.; Haering, T.; Kerres, J; Bjerrum, Niels.

    In: Fuel Cells, Vol. 8, No. 3-4, 2008, p. 188-199.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  135. Published

    Partially fluorinated arylene polyethers and their ternary blend membranes with PBI and H3PO4. : Part I. Synthesis and characterisation of polymers and binary blend membranes. / Kerres, J.; Schonberger, F.; Chromik, A; Haering, T; Li, Qingfeng; Jensen, Jens Oluf; Pan, Chao; Noye, P; Bjerrum, Niels.

    In: Fuel Cells, Vol. 8, No. 3-4, 2008, p. 175-187.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  136. Published

    PVDF-HFP-based porous polymer electrolyte membranes for lithium-ion batteries. / Miao, Ruiying; Liu, Bowen; Zhu, Zhongzheng; Liu, Yun; Li, Jianling; Wang, Xindong; Li, Qingfeng.

    In: Journal of Power Sources, Vol. 184, No. 2, 2008, p. 420-426.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  137. Published

    The function of microporous layers and the interaction between the anode and cathode in DMFCs. : Part I: The double roles of microporous layers in DMFCs. / Zhang, H. F.; Wang, SY; Pei, PC; Chen, L; Li, J. L.; Wang, X.D.; Li, Qingfeng.

    In: Electrochemistry Communications, Vol. 10, No. 3, 2008, p. 407-410.

    Publication: Research - peer-reviewJournal article – Annual report year: 2008

  138. 2007
  139. Published

    Cross-linked polybenzimidazole membranes for fuel cells. / Li, Qingfeng; Pan, Chao; Jensen, Jens Oluf; Precht Noyé, Pernille; Bjerrum, Niels.

    In: Chemistry of Materials, Vol. 19, No. 3, 2007, p. 350-352.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  140. Published

    Development and Applications of Hydrated Proton Conducting Membranes. / Wang, Xindong; Li, Jianling; Zhu, Zhongzheng; Miao, Ruiying; Wang, Tongtao; Li, Qingfeng.

    In: Chinese Journal of Power Sources, Vol. 31, No. 6, 2007, p. 435-438.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  141. Published

    Doping phosphoric acid in polybenzimidazole membranes for high temperature proton exchange membrane fuel cells. / He, Ronghuan; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    In: Journal of Polymer Science, Vol. 45, No. 14, 2007, p. 2989-2997.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  142. Published

    Electrochemical Promotion of Catalytic Reactions Using. / Petrushina, Irina (Invited author); Bjerrum, Niels (Invited author); Cleemann, Lars Nilausen (Invited author); Bandur, Viktor (Invited author); Li, Qingfeng (Invited author).

    Proceedings of the First International Conference on the Origin of Electrochemical Promotion of Catalysis, 1-5 October, Tessaloniki, Greece, 2007. Vol. 1 EFEPOC, 2007.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2007

  143. Published

    Further Improvement and System Integration of High Temperature Polymer Electrolyte Membrane Fuel Cells : 36 Month Periodic Activity Report. / Li, Qingfeng; Jensen, Jens Oluf.

    Technical University of Denmark (DTU), 2007. 137 p.

    Publication: ResearchReport – Annual report year: 2007

  144. Published

    Further Improvement and System Integration of High Temperature Polymer Electrolyte Membrane Fuel Cells : 24 Month Periodic Activity Report. / Li, Qingfeng; Jensen, Jens Oluf.

    Technical University of Denmark (DTU), 2007. 144 p.

    Publication: ResearchReport – Annual report year: 2007

  145. Published

    High temperature PEMFC and the possible utilization of the excess heat for fuel processing. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Vestbø, Andreas Peter; Mortensen, Kasper; Petersen, Henrik Nybo; Sørensen, Christian Lau; Clausen, Thomas Nedergaard; Schramm, Jesper; Bjerrum, Niels.

    In: International Journal of Hydrogen Energy, Vol. 32, No. 10-11, 2007, p. 1567-1571.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  146. Published

    Membrane development in FURIM Project : PBI Cross-Linking. / Li, Qingfeng (Author); Kerres, Jochen (Author).

    2007. Carisma Workshop on Ionomer Membranes for Medium and High Temperature PEM Fuel cells, Stuttgart, Germany, 01/01/07.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2007

  147. Published

    Membranes for High Temperature PEFC Based on Polybenimidazoles. / Li, Qingfeng; Jensen, Jens Oluf.

    Membrane Handbook: Membranes for Energy Conversion. Vol. Vol 2 Wiley-VCH, 2007.

    Publication: ResearchBook chapter – Annual report year: 2007

  148. Published

    Membranes for High Temperature PEMFC Based on Acid-Doped Polybenzimidazoles. / Li, Qingfeng; Jensen, Jens Oluf.

    Membranes for Energy Conversion. ed. / Klaus-Viktor Peinemann; Suzana Pereira Nunes. Vol. 2 Wiley-VCH, 2007. p. 61-96.

    Publication: Research - peer-reviewBook chapter – Annual report year: 2007

  149. Published

    Preparation and operation of gas diffusion electrodes for high-temperature proton exchange membrane fuel cells. / Pan, Chao; Li, Qingfeng; Jensen, Jens Oluf; He, Ronghuan; Cleemann, Lars Nilausen; Bjerrum, Niels; Zeng, Qingxue.

    In: Journal of Power Sources, Vol. 172, No. 1, 2007, p. 278-286.

    Publication: Research - peer-reviewJournal article – Annual report year: 2007

  150. Published

    Recent Development of PBI Membranes for PEMFC. / Li, Qingfeng (Invited author); Jensen, Jens Oluf (Invited author); Precht Noyé, Pernille (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    Proceedings of World Hydrogen Technologies Convention. 2007. p. 1-10.

    Publication: ResearchArticle in proceedings – Annual report year: 2007

  151. Published

    The Energy Efficiency of Onboard Hydrogen Storage. / Jensen, Jens Oluf; Vestbø, Andreas Peter; Li, Qingfeng; Bjerrum, Niels.

    In: Journal of Alloys and Compounds, Vol. 446–447, 2007, p. 723-728.

    Publication: Research - peer-reviewConference article – Annual report year: 2007

  152. Published

    THz conductivity of Nanocrystalline Silicon. / Cooke, David; MacDonald, A.; Hryciw, A.; Meldrum, A.; Hegmann, F.A.; Wang, Jianhua; Li, Qingfeng.

    2007. Poster session presented at THz Science Workshop, Amsterdam, Netherlands, .

    Publication: Research - peer-reviewPoster – Annual report year: 2007

  153. Published

    THz conductivity of Nanocrystalline Silicon. / Cooke, David; MacDonald, A.N.; Hryciw, A.; Wang, Jianhua; Li, Qingfeng; Meldrum, A.; Hegmann, F.A.

    2007. Abstract from 3rd Annual meeting Danish Physical Society, Nyborg, Denmark.

    Publication: Research - peer-reviewConference abstract for conference – Annual report year: 2007

  154. 2006
  155. Published

    Brint og brændselsceller. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Bjerrum, Niels J. (Invited author).

    Kemiske Horisonter. DTU : Kemisk Institut, DTU, 2006. p. 106-119.

    Publication: CommunicationBook chapter – Annual report year: 2006

  156. Published

    Bronsted acidic room temperature ionic liquids derived from N,N-dimethylformamide and similar protophilic amides. / Huang, J.F.; Baker, G.A.; Luo, H. M.; Hong, K.L; Li, Qingfeng; Bjerrum, Niels; Dai, S.

    In: Green Chemistry, Vol. 8, No. 7, 2006, p. 599-602.

    Publication: Research - peer-reviewJournal article – Annual report year: 2006

  157. Published

    Gas Difusion Electrodes for PBI Cells. / Li, Qingfeng; Pan, Chao; Jensen, Jens Oluf; Nilsson, Morten Sixten; Bjerrum, Niels.

    Meeting Abstracts - Electrochemical Society. Electrochemical Society, Incorporated, 2006. p. Abstract 541.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2006

  158. Published

    High Temperature Proton Exchange Membranes for Fuel Cells. / Qingfeng, Li.

    2006. 142 p.

    Publication: ResearchDoctoral thesis – Annual report year: 2006

  159. Published

    Materials Issues for Low Temperature Fuel cells. / Li, Qingfeng.

    2006. Paper presented at Summer School on “Materials for the Hydrogen Society", Reykjavik, Iceland, .

    Publication: ResearchPaper – Annual report year: 2006

  160. Published

    Phosphoric acid doped Polybenzimidazole Composite Membranes for High temperature Proton Exchange Membrane Fuel Cells. / He, Ronghuan; Li, Qingfeng; Bjerrum, Niels.

    In: Chinese Journal of Applied Chemistry, Vol. 23, No. 7, 2006, p. 697-703.

    Publication: Research - peer-reviewJournal article – Annual report year: 2006

  161. Published

    Physicochemical properties of phosphoric acid doped polybenzimidazole membranes for fuel cells. / He, Ronghuan; Li, Qingfeng; Bach, Anders; Jensen, Jens Oluf; Bjerrum, Niels.

    In: Journal of Membrane Science, Vol. 277, 2006, p. 38-45.

    Publication: Research - peer-reviewJournal article – Annual report year: 2006

  162. Published

    Recent Progress in Preparation and Characterization of PBI Membranes for PEMFC. / Li, Qingfeng; Precht Noyé, Pernille; Jensen, Jens Oluf; Pan, Chao; Bjerrum, Niels.

    Meeting Abstracts - Electrochemical Society. Electrochemical Society, Incorporated, 2006. p. Abstract 412.

    Publication: Research - peer-reviewConference abstract in proceedings – Annual report year: 2006

  163. Published

    The Energy Efficiency of On-board Hydrogen Storage. / Jensen, Jens Oluf; Vestbø, Andreas Peter; Li, Qingfeng; Bjerrum, Niels.

    2006. Abstract from International Symposium on Metal-Hydrogen Systems, MH2006, October 1-6, 2006, Lahaina, Maui, Hawaii, .

    Publication: ResearchConference abstract for conference – Annual report year: 2006

  164. 2005
  165. Published

    100-200°C Polymer Fuel Cells for use with NaAlH4. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Bjerrum, Niels.

    In: Journal of Alloys and Compounds, Vol. 404-406, 2005, p. 653-656.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  166. Published

    200°C PEM Fuel Cells. / Jensen, Jens Oluf (Invited author); Li, Qingfeng (Invited author); Bjerrum, Niels (Invited author).

    2005. Poster session presented at European Hydrogen and Fuel Cell Technology Platform (HFP) Annual Event , Brussels, Belgium.

    Publication: ResearchPoster – Annual report year: 2005

  167. Published

    Fuel cells : a promise of electrochemistry and challenges for electrochemists. / Qingfeng, Li (Invited author); Jensen, Jens Oluf (Invited author); Precht Noyé, Pernille (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    Proceedings of the 13th National Conference on Electrochemistry, China. Vol. Vol 1 Wuhan, China, 2005. p. 14-16.

    Publication: ResearchArticle in proceedings – Annual report year: 2005

  168. Published

    Fuel cells: a promise of electrochemistry and challenges for electrochemists. / Li, Qingfeng (Invited author); Jensen, Jens Oluf (Invited author); Precht Noyé, Pernille (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    2005. Abstract from the 13th National Conference of Electrochemistry, Guangzhou, China, .

    Publication: ResearchConference abstract for conference – Annual report year: 2005

  169. Published

    FURIM : Further improvement of high temperature PEM fuel cells. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Precht Noyé, Pernille (Author); Bjerrum, Niels (Author).

    2005. International Energy Agency (IEA) -International Partnership for Hydrogen Energy (IPHE) Workshop, Mol, Belgium, 1-3 June 2005, Mol, Belgium, 01/01/05.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2005

  170. Published

    FURIM. Further improvement of high temperature PEM fuel cells. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Precht Noyé, Pernille (Author); Bjerrum, Niels (Author).

    2005. International Energy Agency (IEA) -International Partnership for Hydrogen Energy (IPHE) Workshop : 1-3 June, Mol, Belgium, 01/01/05.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2005

  171. Published

    Further Improvement and System Integration of High Temperature Polymer Electrolyte Membrane Fuel Cells : 12 Month Periodic Activity Report. / Jensen, Jens Oluf; Li, Qingfeng.

    Technical University of Denmark (DTU), 2005. 76 p.

    Publication: ResearchReport – Annual report year: 2005

  172. Published

    High Temperature PEMFC. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Precht Noyé, Pernille (Author); Bjerrum, Niels (Author).

    2005. BrintDanmark : Danish Hydrogen Associations Conference, Herning, 30. March, 01/01/05.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2005

  173. Published

    High temperature PEM fuel cells at Technical University of Denmark. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Pan, Chao (Author); Precht Noyé, Pernille (Author); Bjerrum, Niels (Author).

    2005. International Energy Agency (IEA) -International Partnership for Hydrogen Energy (IPHE) PEMFC Workshop, Mol, Belgium, 1-3 June 2005, Mol, Belgium, 01/01/05.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2005

  174. Published

    HT-PEMFC as a bridge to new metal hydride systems. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Vestbø, Andreas Peter; Bjerrum, Niels.

    2005. Paper presented at FURIM Symposium on High Temperature PEM Fuel Cells, Rio, Greece, .

    Publication: ResearchPaper – Annual report year: 2005

  175. Published

    Integration of high temperature PEM fuel cells with a methanol reformer. / Pan, Chao; He, Ronghuan; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels; Hjulmand, Henrik A; Jensen, Anders B.

    In: Journal of Power Sources, Vol. 145, No. 2, 2005, p. 392-398.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  176. Published

    Phosphoric acid doped AB-PBI membranes and its applications in high temperature PEMFC. / He, Ronghuan; Qingfeng, Li; Bjerrum, Niels.

    In: Chemical Journal of Chinese Universities, Vol. 26, No. 12, 2005, p. 2302-2305.

    Publication: Research - peer-reviewJournal article – Annual report year: 2005

  177. Published

    Proton Conductivity and Operational Features Of PBI-Based Membranes. / Qingfeng, Li; Jensen, Jens Oluf; Precht Noyé, Pernille; Pan, Chao; Bjerrum, Niels.

    Solid State Electrochemistry: Proceedings of the 26th Risoe International Symposium on Materials Science. 2005. p. 267-272.

    Publication: ResearchArticle in proceedings – Annual report year: 2005

  178. Published

    Proton Conductivity and PBI-cells. / Li, Qingfeng.

    2005. Paper presented at Symposium on High Temperature Proton Exchange Membrane Fuel Cells, Rio, Greece, .

    Publication: ResearchPaper – Annual report year: 2005

  179. Published

    Proton exchange membranes. / Li, Qingfeng.

    Fuel cells. ed. / Zhongqiang Mao. Beijing : Chemical Industry Press, China, 2005. p. 47-82.

    Publication: ResearchBook chapter – Annual report year: 2005

  180. Published

    Proton Exchange Membranes for Fuel Cells : - Challenges and Recent Developments. / Qingfeng, Li (Invited author); Jensen, Jens Oluf (Invited author); Precht Noyé, Pernille (Invited author); Pan, Chao (Invited author); Bjerrum, Niels (Invited author).

    Journal of Fudan University (Natural Science). Vol. 44 (5) Shanghai, 2005. p. 666-667.

    Publication: ResearchArticle in proceedings – Annual report year: 2005

  181. Published

    Proton Exchange Membranes For Fuel Cells - Challenges And Recent Developments. / Li, Qingfeng; Jensen, Jens Oluf; Precht Noyé, Pernille; Pan, Chao; Bjerrum, Niels.

    Proceedings of 15th International Symposium on Fine Chemistry and Functional Polymers. 2005. p. 17-20.

    Publication: ResearchArticle in proceedings – Annual report year: 2005

  182. Published

    Recent Progress in High Temperature PEMFC and the Possible Utilization of the Excess Heat for Fuel Processing. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; Bjerrum, Niels.

    2005. Abstract from 2nd European Hydrogen Energy Conference, Zaragoza, Spain.

    Publication: ResearchConference abstract for conference – Annual report year: 2005

  183. Published

    The FURIM Project. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Bjerrum, Niels (Author).

    2005. European Hydrogen and Fuel Cell Technology Platform (HFP) Annual Event , Brussels, Belgium, 17/03/05.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2005

  184. Published

    The FURIM Project (IP) - SES6-CT-2004-502782. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); Bjerrum, Niels (Author).

    2005. European Hydrogen and Fuel Cell Technology Platform (HFP) Annual Event , Brussels, Belgium, 17/03/05.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2005

  185. 2004
  186. Published

    100-200°C Polymer Fuel Cells for use with NaAlH4. / Jensen, Jens Oluf; Li, Qingfeng; He, Ronghuan; Pan, Chao; Bjerrum, Niels.

    2004. Abstract from 9th International Symposium on Metal Hydrogen Systems, Cracow, Poland.

    Publication: ResearchConference abstract for conference – Annual report year: 2004

  187. Published

    A PEMFC operating at up to 200°C as a possible link to the complex metal hydrides like NaAlH4. / Jensen, Jens Oluf; Li, Qingfeng; Pan, Chao; He, Ronghuan; Bjerrum, Niels.

    2004. Abstract from Meeting on Fuel Cells Science and Technology, Munich, Germany.

    Publication: ResearchConference abstract for conference – Annual report year: 2004

  188. Published

    High Temperature Polymer Electrolyte Membrane Fuel Cells – Materials Issues and System Perspectives. / Li, Qingfeng.

    2004. Paper presented at Fuel Cell Workshop, Newcastle upon Tyne, United Kingdom, .

    Publication: ResearchPaper – Annual report year: 2004

  189. Published

    Materials Issues and System Prospects of High Temperature PEMFC. / Li, Qingfeng; Jensen, Jens Oluf; He, Ronghuan; Pan, Chao; Bjerrum, Niels.

    2004. Paper presented at The International Hydrogen Energy Forum, Beijing, P.R. China., .

    Publication: ResearchPaper – Annual report year: 2004

  190. Published

    PBI-based polymer membranes for high temperature fuel cells – preparation, characterizations and fuel cell demonstrations. / Qingfeng, Li; He, Ronhuan; Jensen, Jens Oluf; Bjerrum, Niels.

    In: Fuel Cells, Vol. 4, 2004, p. 147-159.

    Publication: Research - peer-reviewJournal article – Annual report year: 2004

  191. Published

    Polymer Membranes for Fuel Cells. / Li, Qingfeng (Invited author); He, Ronghuan (Invited author); Jensen, Jens Oluf (Invited author); Bjerrum, Niels (Invited author).

    2004. Paper presented at Euromembrane 2004, Hamburg, Germany, .

    Publication: ResearchPaper – Annual report year: 2004

  192. Published

    Water Uptake and Acid Doping of Polybenzimidazoles as Electrolyte Membranes for Fuel Cells. / Qingfeng, Li; He, R.; Berg, Rolf W.; Hjuler, Hans Aage; Bjerrum, Niels J.

    In: Solid State Ionics, Vol. 168, No. 1-2, 2004, p. 177-185.

    Publication: Research - peer-reviewJournal article – Annual report year: 2004

  193. 2003
  194. Published

    Acid-doped Polybenzimidazole Membranes as Electrolyte for Fuel Cells Operating Above 100°C. / Qingfeng, Li; Jensen, Jens Oluf; He, Ronhuan; Gang, Xiao; Gao, Ji-An; Berg, Rolf W.; Hjuler, Hans Aage; Hennesø, Erik; Bjerrum, Niels.

    Recent Research Developments in Electrochemistry. Vol. 6 1. ed. Kerala, India : Transworld Research Network, 2003. p. 1-26 (Recent Research Developments in Electrochemistry).

    Publication: Research - peer-reviewBook chapter – Annual report year: 2003

  195. Published

    Acid Doped Polybenzimidazole Membranes for Polymer Electrolyte Fuel Cells. / Bjerrum, Niels; Li, Qingfeng; He, Ronghuan; Jensen, Jens Oluf.

    AIChE Annual Meeting. 2003.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  196. Published

    Applied Electrochemistry of Aluminum : Production and Applications. / Li, Qingfeng; Qiu, Zhuxian.

    1 ed. Shenyang, China : Northeastern University Press, 2003. 246 p.

    Publication: ResearchBook – Annual report year: 2003

  197. Published

    CO tolerance by the PEMFC operational at temperatures up to 200°C. / Li, Qingfeng; He, Ronghuan; Gao, Ji-An; Jensen, Jens Oluf; Bjerrum, Niels.

    Proceedings of the 2nd European PEFC Forum. Vol. Volume 1 1. ed. Switzerland : Eueopean Fuel Cell Forum, 2003. p. 253-262.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  198. Published
  199. Published

    HIGH TEMPERATURE POLYMER FUEL CELLS : HEAT UTILIZATION AND CO TOLERANCE. / Jensen, Jens Oluf; Qingfeng, Li; He, Ronghuan; Gang, Xiao; Gao, Ji-An; Bjerrum, Niels.

    1st European Hydrogen Energy Conference: 2-5 September 2003, Grenoble, France. 2003.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  200. Published

    High temperature polymer fuel cells and their Interplay with fuel processing systems.. / Jensen, Jens Oluf; Qingfeng, Li; He, R.; Gang, Xiao; Gao, J.; Bjerrum, Niels.

    Hydrogen Power Theoretical and Engineering Solutions: Proceedings of HYPOTHESIS V Porto Conte (Italy) - 7-10 September 2003. 2003. p. 675-683.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  201. Published

    Integration of high temperature PEMFC with a methanol reformer. / Li, Qingfeng; Pan, Chao; He, Ronghuan; Jensen, Jens Oluf; Bjerrum, Niels.

    2003. Abstract from Fuel Cell Science and Technology, Munich, Germany, .

    Publication: ResearchConference abstract for conference – Annual report year: 2003

  202. Published

    Lifetime Test of High Temperature PEM Fuel Cells. / Pan, Chao; Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    2003. Poster session presented at Fuel Cells Science and Technology, Munich, Germany, .

    Publication: ResearchPoster – Annual report year: 2003

  203. Published

    Light Metal Hydrides: Application of Bulk Materials. / Jensen, Jens Oluf (Author); Li, Qingfeng (Author); He, Ronghuan (Author); Pan, Chao (Author); Bjerrum, Niels (Author).

    2003. Light Materials for Hydrogen Storage, Ångström Laboratory, Uppsala University, Sweden, 01/01/03.

    Publication: ResearchSound/Visual production (digital) – Annual report year: 2003

  204. Published

    New Polymer Electrolyte Membranes Based on Acid Doped PBI For Fuel Cells Operating above 100°C. / Li, Qingfeng.

    Proceedings of HYPOTHESIS V: HYdrogen POwer – THeoretical and Engineering Solutions. Italy : SGE Padova, 2003. p. 685-596.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  205. Published

    New Polymer Electrolyte Membranes For Fuel Cells. / Li, Qingfeng; Jensen, Jens Oluf; He, Ronghuan; Gao, Ji-An; Bjerrum, Niels.

    Proceedings of HYPOTHESIS V (Hydrogen Power Theoretical and Engineering Solutions International Symposium). Vol. 5 2003. p. 685-696.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  206. Published

    NEW POLYMER ELECTROLYTE MEMBRANES FOR FUEL CELLS OPERATING ABOVE 100°C : - APPROACHES AND RECENT PROGRESS. / Li, Qingfeng; Jensen, Jens Oluf; He, Ronghuan; Bjerrum, Niels.

    Proceedigns of the 1st European Hydrogen Energy Conference. 2003.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  207. Published

    Proton conductivity of phosphoric acid doped polybenzimidazole and its composites with inorganic proton conductors. / He, Ronghuan; Qingfeng, Li; Gang, Xiao; Bjerrum, Niels.

    In: Journal of Membrane Science, Vol. 226, No. 1-2, 2003, p. 169-184.

    Publication: Research - peer-reviewJournal article – Annual report year: 2003

  208. Published

    Proton conductivity of phosphoric acid doped polybenzimidazole and its composites with inorganic protontic conductors. / Li, Qingfeng.

    Proceedings of the 2nd European PEFC Forum. Vol. volume 1 1. ed. Switzerland : European Fuel Cell Forum, 2003. p. 59-68.

    Publication: ResearchArticle in proceedings – Annual report year: 2003

  209. Published

    The CO poisoning effect in PEMFCs operational at temperatures up to 200 degrees C. / Li, Qingfeng; He, Ronghuan; Gao, Ji-An; Jensen, Jens Oluf; Bjerrum, Niels.

    In: Electrochemical Society. Journal, Vol. 150, No. 12, 2003, p. A1599-A1605.

    Publication: Research - peer-reviewJournal article – Annual report year: 2003

  210. 2002
  211. Published

    Aluminum as anode for energy storage and conversion: a review. / Qingfeng, Li; Bjerrum, Niels.

    In: JOURNAL OF POWER SOURCES, Vol. 110, No. 1, 2002, p. 1-10.

    Publication: Research - peer-reviewJournal article – Annual report year: 2002

  212. Published

    A quasi-direct methanol fuel cell system based on blend polymer membrane electrolytes. / Li, Qingfeng; Hjuler, Hans Aage; Hasiotis, C.; Kalletsis, J.K.; Kontoyannis, C.G.; Bjerrum, Niels.

    In: Electrochemical and Solid-State Letters, Vol. 5, No. 6, 2002, p. A125-A128.

    Publication: Research - peer-reviewJournal article – Annual report year: 2002

  213. Published
  214. Published

    Polymer Electrolyte Membranes for Fuel Cells, : State-of-the-art and Recent Progress.. / Qingfeng, Li; Bjerrum, Niels.

    In: Battery Bimonthly, Vol. 32, No. 3, 2002, p. 198-201.

    Publication: Research - peer-reviewJournal article – Annual report year: 2002

  215. 2001
  216. Published

    Advances in development and application of aluminium batteries. / Qingfeng, Li; Zhuxian, Qiu.

    In: Dongbei Daxue Xuebao (Ziran Kexue Ban), Vol. 22, No. 2, 2001, p. 130-132.

    Publication: Research - peer-reviewJournal article – Annual report year: 2001

  217. Published

    Development and characterization of acid-doped polybenzimidazole/sulfonated polysulfone blend polymer electrolytes for fuel cells. / Hasiotis, C.; Li, Qingfeng; Deimede, V.; Kallitsis, J. K.; Kontoyannis, C. G.; Bjerrum, Niels.

    In: Electrochemical Society. Journal, Vol. 148, No. 5, 2001, p. A513-A519.

    Publication: Research - peer-reviewJournal article – Annual report year: 2001

  218. Published

    High Temperature Polymer Fuel Cells. / Jensen, Jens Oluf; Qingfeng, Li; Hennesø, Erik; Hjuler, Hans-Aage; Bjerrum, Niels.

    2001. Poster session presented at Nordic Energy Research Program : Workshop on New Materials and Technologies for Low Temperature Fuel Cells, Helsinki, Finland, .

    Publication: ResearchPoster – Annual report year: 2001

  219. Published

    Hydrogen Power. / Jensen, Jens Oluf; Qingfeng, Li.

    2001. Paper presented at Theoretical and Engineering Solutions International Symposium, Stralsund, Germany, .

    Publication: ResearchPaper – Annual report year: 2001

  220. Published
  221. Published

    POLYMER ELECTROLYTE MEMBRANE FUEL CELLS. / Bjerrum, Niels (Inventor); Li, Qingfeng (Inventor); Hjuler, Hans Aage (Inventor).

    Patent No.: WO2001018894. Mar 15, 2001.

    Publication: ResearchPatent – Annual report year: 2001

  222. Published

    The carbon monoxide poisoning effect on the performance of polymer electrolyte membrane fuel cells operational at temperatures up to 200°C. / Qingfeng, Li; Zhou, D; He, Ronhuan; Jensen, Jens Oluf; Hjuler, Hans Aage; Bjerrum, Niels.

    Proceedings of the 4th. International Symposium on Hydrogen Power - Theoretical and Engineering Solutions. HYPOTHESIS IV. Stralsund, Germany, 9-14 September 2001. Vol. 2 Stralsund, Germany : Fachhochschule Stralsund, 2001. p. 407-411.

    Publication: ResearchArticle in proceedings – Annual report year: 2001

  223. 2000
  224. Published
  225. Published
  226. Published

    Electrodeposition of Al-Mn, Al-Mn-Ti, and Al-Mn-Ce Alloy. / Shuping, S.; Songzhu, C.; Li, Qingfeng; Zhuxian, Q.

    EUCHEM 2000, Conference on Molten Salts. 2000.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2000

  227. Published

    Electrodeposition of Al-Mn, Al-Mn-Ti, and Al-Mn-Ce Alloy Coatings from Ma-KCl-AlCl3 melts at 200oC. / Shuping, S.; Songzhu, C.; Qingfeng, Li; Zhuxian, Q.

    Progress in Molten Salts Chemistry, Vol. 1. Paris, France : Elsevier, 2000. p. 481-485.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2000

  228. Published

    Electrodeposition of Aluminium and Aluminium Alloys from. / Li, Qingfeng; Berg, Rolf W.

    EUCHEM 2000, Conference on Molten Salts. 2000.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2000

  229. Published

    Electrodeposition of Aluminium and Aluminium Alloys from Alkali Chloroaluminate Melts: A review. / Qingfeng, Li; Berg, Rolf W.

    Progress in Molten Salts Chemistry, Vol. 1. Elsevier, 2000. p. 439-447.

    Publication: Research - peer-reviewArticle in proceedings – Annual report year: 2000

  230. Published

    Metalhydridbatterier og lavtemperaturbrændselsceller. / Li, Qingfeng; Jensen, Jens Oluf; Bjerrum, Niels.

    Dansk electrokemi i 200 år. ed. / O Bostrup. Dansk Selskab for Historisk Kemi, 2000. p. 34-43.

    Publication: ResearchBook chapter – Annual report year: 2000

  231. Published

    Miscibility Behavior of Polybenzimidazole/Sulfonated Polysulfone Blends for Use in Fuel Cell Applications. / Deimede, V.; Voyiatzis, G. A.; Kallitsis, J. K.; Qingfeng, Li; Bjerrum, Niels.

    In: Macromolecules, Vol. 33, 2000, p. 7609-7617.

    Publication: Research - peer-reviewJournal article – Annual report year: 2000

  232. Published

    Oxygen reduction on carbon supported platinum catalysts in high temperature polymer electrolytes. / Qingfeng, Li; Hjuler, Hans Aage; Bjerrum, Niels.

    In: Electrochimica Acta, Vol. 45, No. 25-26, 2000, p. 4219-4226.

    Publication: Research - peer-reviewJournal article – Annual report year: 2000

  233. 1999
  234. Published

    Advanced Solid Polymer Fuel Cells for Operation at Temperatures up to 200°C. / Bjerrum, Niels; Qingfeng, Li.

    1999. 22 p.

    Publication: Research - peer-reviewReport – Annual report year: 1999

  235. Published

    Advanced Solid Polymer Fuel Cells for Operation at Temperatures up to 200o (ASPEC). / Bjerrum, Niels; Qingfeng, Li; Hjuler, Hans Aa.; Bergqvist, Rene Stig.

    1999. 16 p.

    Publication: Research - peer-reviewReport – Annual report year: 1999

  236. Published

    Complex formation during dissolution of metal oxides in molten alkali carbonates. / Li, Qingfeng; Borup, Flemming; Petrushina, Irina; Bjerrum, Niels.

    In: Electrochemical Society. Journal, Vol. 146, No. 7, 1999, p. 2449-2454.

    Publication: Research - peer-reviewJournal article – Annual report year: 1999

  237. Published

    Development and Characterization of Temperature-resistant Polymer Electrolytes. / Qingfeng, Li; Hjuler, Hans Aage; Bjerrum, Niels.

    Proceedings of Workshop on Indirect and Direct Methanol Fuel Cells. Portorose, 1999.

    Publication: Research - peer-reviewBook chapter – Annual report year: 1999

  238. Published

    Oxygen reduction on carbon supported platinum catalysts in high temperature polymer electrolytes. / Qingfeng, Li; Bergqvist, R. S.; Hjuler, H. A.; Bjerrum, Niels.

    3rd International Symposium on Electrocatalysis: Advances and Industrial Applications. Ljubljana : National Institute of Chemistry, 1999. p. 243-246.

    Publication: ResearchArticle in proceedings – Annual report year: 1999

  239. Published

    The Solubility of metal oxides in molten carbonates - why the acid-basic chemistry fails?. / Bjerrum, Niels; Qingfeng, Li; Borup, Flemming; Petruchina, Irina.

    Proceedings of The International George Papatheodorou Symposium. Patras : ICE/HT, 1999. p. 48-52.

    Publication: Research - peer-reviewBook chapter – Annual report year: 1999

  240. 1998
  241. Published

    Metal Production by Molten Salt Electrolysis : especially aluminium and magnesium. / Grjotheim, K.; Kvande, H.; Qingfeng, Li; Zhuxian, Qiu.

    Xuzhou : CUMTP, 1998. 226 p.

    Publication: Research - peer-reviewBook – Annual report year: 1998

  242. 1995
  243. Published
  244. Published
  245. 1994
  246. Published
  247. 1991
  248. Published
  249. 1990
  250. Published

    Electrochemical Deposition and Dissolution of Aluminum in NaAlCl4 Melts : Influence of MnCl2 and Sulfide Addition. / Li, Qingfeng; Hjuler, H.A.; Berg, Rolf W.; Bjerrum, Niels.

    In: Electrochemical Society. Journal, Vol. 137, No. 9, 1990, p. 2794-2798.

    Publication: Research - peer-reviewJournal article – Annual report year: 1990

  251. Published

    Electrochemical Deposition of Aluminum from NaCl-AlCl3 Melts. / Li, Qingfeng; Hjuler, H. A.; Berg, Rolf W.; Bjerrum, Niels.

    In: Electrochemical Society. Journal, Vol. 137, No. 2, 1990, p. 593-598.

    Publication: Research - peer-reviewJournal article – Annual report year: 1990

  252. 1989
  253. Published

    Electroless Growth of Aluminum Dendrites in NaCl-AlCl3 Melts.. / Li, Qingfeng; Hjuler, H.A.; Berg, Rolf W.; Bjerrum, Niels.

    In: Electrochemical Society. Journal, Vol. 136, No. 10, 1989, p. 2940-2943.

    Publication: Research - peer-reviewJournal article – Annual report year: 1989

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