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Research Output

2020

An Up-scalable, Infiltration-Based Approach for Improving the Durability of Ni/YSZ Electrodes for Solid Oxide Cells

Tong, X., Hendriksen, P. V., Hauch, A., Sun, X. & Chen, M., 2020, In : Journal of the Electrochemical Society. 167, 2, 10 p., 024519.

Research output: Contribution to journalJournal articleResearchpeer-review

Co-electrolysis of steam and carbon dioxide in large area solid oxide cells based on infiltrated mesoporous oxygen electrodes

Anelli, S., Hernández, E., Bernadet, L., Sun, X., Hagen, A., Baiutti, F., Torrell, M. & Tarancón, A., 2020, In : Journal of Power Sources. 478, 10 p., 228774.

Research output: Contribution to journalJournal articleResearchpeer-review

Durability of solid oxide electrolysis stack under dynamic load cycling for syngas production

Rao, M., Sun, X. & Hagen, A., 2020, In : Journal of Power Sources. 451, 7 p., 227781.

Research output: Contribution to journalJournal articleResearchpeer-review

SOFC stacks for mobile applications with excellent robustness towards thermal stresses

Hagen, A., Wulff, A. C., Zielke, P., Sun, X., Talic, B., Ritucci, I., Frandsen, H. L., Jensen, S. H., Kiebach, W-R. & Hendriksen, P. V., 2020, (Accepted/In press) In : International Journal of Hydrogen Energy.

Research output: Contribution to journalJournal articleResearchpeer-review

2019

Comprehensive Hypotheses for Degradation Mechanisms in Ni-Stabilized Zirconia Electrodes

Mogensen, M. B., Chen, M., Frandsen, H. L., Graves, C. R., Hauch, A., Jacobsen, T., Jensen, S. H., Skafte, T. L. & Sun, X., 2019, In : ECS Transactions. 91, 1, p. 613-620

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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12 Downloads (Pure)

Degradation in Solid Oxide Electrolysis Cells During Long Term Testing

Sun, X., Hendriksen, P. V., Mogensen, M. B. & Chen, M., 2019, In : Fuel Cells. 19, 6, p. 740-747 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Electrochemical Quality Assurance of Solid Oxide Electrolyser (SOEC) Stacks

Lang, M., Bohn, C., Couturier, K., Sun, X., McPhail, S. J., Malkow, T., Pilenga, A., Fu, Q. & Liu, Q., 2019, In : Journal of the Electrochemical Society. 166, 15, p. F1180-F1189 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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104 Downloads (Pure)

Internal reforming on Metal supported SOFCs

Hagen, A., Sun, X., Sudireddy, B. R. & Persson, Å. H., 2019, In : ECS Transactions. 91, 1, p. 867-876 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

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29 Downloads (Pure)

Operation of solid oxide fuel cells with alternative hydrogen carriers

Hagen, A., Langnickel, H. & Sun, X., 2019, In : International Journal of Hydrogen Energy. 44, 33, p. 18382-18392

Research output: Contribution to journalJournal articleResearchpeer-review

Optimization and Durability of Reversible Solid Oxide Cells

Sun, X., Sudireddy, B. R., Tong, X., Chen, M., Brodersen, K. & Hauch, A., 2019, In : ECS Transactions. 91, 1, p. 2631-2639

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
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173 Downloads (Pure)

Reversible operation of a pressurized solid oxide cell stack using carbonaceous gases

Jensen, S. H., Langnickel, H., Hintzen, N., Chen, M., Sun, X., Hauch, A., Butera, G. & Clausen, L. R., 2019, In : Journal of Energy Storage. 22, p. 106-115

Research output: Contribution to journalJournal articleResearchpeer-review

Reversible solid-oxide cells for clean and sustainable energy

Mogensen, M. B., Chen, M., Frandsen, H. L., Graves, C., Hansen, J. B., Hansen, K. V., Hauch, A., Jacobsen, T., Jensen, S. H., Skafte, T. L. & Sun, X., 2019, In : Clean Energy. 3, 3, p. 175-201 27 p., zkz023.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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188 Downloads (Pure)

Unwinding Entangled Degradation Mechanisms in Solid Oxide Electrolysis Cells Through Electrode Modifications and Impedance Analysis

Rao, M., Jensen, S. H., Sun, X. & Hagen, A., 2019, In : Fuel Cells. 19, 4, p. 445-457

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
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146 Downloads (Pure)
2018

A Comparative Study of Durability of Solid Oxide Electrolysis Cells Tested for Co-Electrolysis under Galvanostatic and Potentiostatic Conditions

Rao, M., Sun, X. & Hagen, A., 2018, In : Journal of the Electrochemical Society. 165, 10, p. F748-F755

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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379 Downloads (Pure)

Diffusion rates of reactants and components in solid oxide cells

Jensen, S. H., Hauch, A., Sun, X., Chen, M., Ebbesen, S. D. & Mogensen, M. B., 2018, Proceedings of the 13th European SOFC & SOE Forum 2018. European Fuel Cell Forum AG, p. 71-82 B1208

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

1 Downloads (Pure)

Durability of SOECs with modified electrodes

Rao, M., Sun, X. & Hagen, A., 2018, Proceedings of the 13th European SOFC & SOE Forum 2018. p. 149 B1509

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
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93 Downloads (Pure)

Electrochemical impedance spectroscopy of SOFC and SOEC stacks

Lang, M., Bohn, C., Lemcke, M. S., Pysik, M., Fu, Q. & Sun, X., 2018, Proceedings of the 13th European SOFC & SOE Forum 2018. p. 132 A1515

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

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296 Downloads (Pure)
2017

A Decade of Solid Oxide Electrolysis Improvements at DTU Energy

Hauch, A., Brodersen, K., Chen, M., Graves, C. R., Jensen, S. H., Jørgensen, P. S., Hendriksen, P. V., Mogensen, M. B., Ovtar, S. & Sun, X., 2017, In : ECS Transactions. 75, 42, p. 3-14 12 p.

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
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496 Downloads (Pure)

Concentration Impedance in Testing of Solid Oxide Cells Revisited

Mogensen, M. B., Ebbesen, S. D., Jensen, S. H., Sun, X., Hauch, A. & Chen, M., 2017, In : E C S Transactions. 78, 1, p. 2133-2139

Research output: Contribution to journalJournal articleResearchpeer-review

Concentration Impedance in Testing of Solid Oxide Cells Revisited

Mogensen, M. B., Ebbesen, S. D., Jensen, S. H., Sun, X., Hauch, A. & Chen, M., 2017, ECS Meeting Abstracts. The Electrochemical Society, Vol. MA2017-03. 1 p. 271

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access

Investigation of a Spinel-forming Cu-Mn Foam as an Oxygen Electrode Contact Material in a Solid Oxide Cell Single Repeating Unit

Zielke, P., Wulff, A. C., Sun, X., Jensen, S. H., Kiebach, W-R., Frandsen, H. L., Norby, P. & Hagen, A., 2017, In : Fuel Cells. 17, 5, p. 730-734

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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254 Downloads (Pure)

Long Term Testing of Solid Oxide Electrolysis Cells under Co-Electrolysis Conditions

Rao, M., Sun, X. & Hagen, A., 2017, In : Electrochemical Society. Meeting Abstracts (Online). MA2017-02 , p. 1 1717.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Open Access

Long Term Testing of Solid Oxide Electrolysis Cells Under Co-Electrolysis Conditions

Rao, M., Sun, X. & Hagen, A., 2017, In : E C S Transactions. 80, 9, p. 57-69

Research output: Contribution to journalConference articleResearchpeer-review

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281 Downloads (Pure)

Pressurized reversible operation of a 30-cell solid oxide cell stack using carbonaceous gases

Jensen, S. H., Langnickel, H., Hintzen, N., Chen, M., Sun, X., Hauch, A., Butera, G. & Clausen, L. R., 2017, Proceedings of the 7th European Fuel Cell Technology & Applications Conference ( EFC2017). Cigolotti, V. (ed.). ENEA, p. 413-414 EFC17255 EFC17

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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241 Downloads (Pure)

Quality Assurance of Solid Oxide Fuel Cell (SOFC) and Electrolyser (SOEC) Stacks

Lang, M., Auer, C., Couturier, K., Sun, X., McPhail, S. J., Malkow, T., Fu, Q. & Liu, Q., 2017, In : E C S Transactions. 78, 1, p. 2077-2086 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Relation Between Ni Particle Shape Change and Ni Migration in Ni–YSZ Electrodes – a Hypothesis

Mogensen, M. B., Hauch, A., Sun, X., Chen, M., Tao, Y., Ebbesen, S. D., Hansen, K. V. & Hendriksen, P. V., 2017, In : Fuel Cells. 17, 4, p. 434-441

Research output: Contribution to journalJournal articleResearchpeer-review

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270 Downloads (Pure)

Thermoneutral Operation of Solid Oxide Electrolysis Cells in Potentiostatic Mode

Chen, M., Sun, X., Chatzichristodoulou, C., Koch, S., Hendriksen, P. V. & Mogensen, M. B., 2017, In : E C S Transactions. 78, 1, p. 3077-3088

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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303 Downloads (Pure)

Thermoneutral Operation of Solid Oxide Electrolysis Cells in Potentiostatic Mode

Chen, M., Sun, X., Chatzichristodoulou, C., Koch, S., Hendriksen, P. V. & Mogensen, M. B., 2017, ECS Meeting Abstracts. The Electrochemical Society, Vol. MA2017-03. 1 p. 287

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access

Towards long-term stable solid state electrolyzers with infiltrated catalysts

Ovtar, S., Chen, M., Brodersen, K., Hauch, A., Sun, X., Bentzen, J. J. & Hendriksen, P. V., 2017. 1 p.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

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2016

A Decade of Improvements for Solid Oxide Electrolysis Cells. Long-Term Degradation Rate from 40%/Kh to 0.4 % Kh

Hauch, A., Brodersen, K., Chen, M., Graves, C. R., Jensen, S. H., Jørgensen, P. S., Hendriksen, P. V., Mogensen, M. B., Ovtar, S. & Sun, X., 2016, In : Electrochemical Society. Meeting Abstracts (Online). MA2016-02, 2861.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Open Access

Characterisation of a Planar Solid Oxide Cell Stack Operated at Elevated Pressure

Jensen, S. H., Graves, C. R., Chen, M., Sun, X. & Hansen, J. B., 2016, In : Electrochemical Society. Meeting Abstracts (Online). MA2016-02, 3077.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Open Access

Characterization of a Planar Solid Oxide Cell Stack Operated at Elevated Pressure

Jensen, S. H., Graves, C. R., Chen, M., Hansen, J. B. & Sun, X., 2016, In : Journal of The Electrochemical Society. 163, 14, p. F1596-F1604 9 p.

Research output: Contribution to journalConference articleResearchpeer-review

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298 Downloads (Pure)

Pressurized Operation of a Planar Solid Oxide Cell Stack

Jensen, S. H., Sun, X., Ebbesen, S. D. & Chen, M., 2016, In : Fuel Cells. 16, 2, p. 205–218 14 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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316 Downloads (Pure)

Relation between shape of Ni-particles and Ni migration in Ni-YSZ electrodes – a hypothesis

Mogensen, M. B., Hauch, A., Sun, X., Chen, M., Tao, Y., Ebbesen, S. D. & Hendriksen, P. V., 2016, Proceedings of the 12th European SOFC & SOE Forum. European Fuel Cell Forum, 8 p. A0902

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

2015

Life Time Performance Characterization of Solid Oxide Electrolysis Cells for Hydrogen Production

Sun, X., Chen, M., Liu, Y-L. & Hendriksen, P. V., 2015, In : E C S Transactions. 68, 1, p. 3359-3368

Research output: Contribution to journalConference articleResearchpeer-review

Life Time Performance Characterization of Solid Oxide Electrolysis Cells for Hydrogen Production

Sun, X., Chen, M., Liu, Y-L. & Hendriksen, P. V., 2015, In : Electrochemical Society. Meeting Abstracts (Online). MA2015-03, 1, 400.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Performance Characterization of Solid Oxide Cells Under High Pressure

Sun, X., Bonaccorso, A. D., Graves, C. R., Ebbesen, S. D., Jensen, S. H., Hagen, A., Holtappels, P., Hendriksen, P. V. & Mogensen, M. B., 2015, In : Fuel Cells. 15, 5, p. 697-702

Research output: Contribution to journalConference articleResearchpeer-review

Understanding the processes governing performance and durability of solid oxide electrolysis cells

Ebbesen, S. D., Sun, X. & Mogensen, M. B., 2015, In : Faraday Discussions. 182, p. 393-422 30 p.

Research output: Contribution to journalJournal articleResearchpeer-review

2014

Durability of high performance Ni-yttria stabilized zirconia supported solid oxide electrolysis cells at high current density

Hjalmarsson, P., Sun, X., Liu, Y-L. & Chen, M., 2014, In : Journal of Power Sources. 262, p. 316-322

Research output: Contribution to journalJournal articleResearchpeer-review

Durable solid oxide electrolysis cells for hydrogen production

Sun, X., Chen, M., Hendriksen, P. V. & Mogensen, M. B., 2014, Proceedings of 11th European SOFC and SOE Forum 2014. European Fuel Cell Forum, p. 41 1 p. B1305

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Impedance Spectra of Activating/Passivating Solid Oxide Electrodes

Mogensen, M. B., Sun, X., Koch, S., Graves, C. R. & Hansen, K. V., 2014, Proceedings of 11th European SOFC and SOE Forum 2014. European Fuel Cell Forum, 10 p. B1209

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Performance characterization of solid oxide cells under high pressure

Sun, X., Bonaccorso, A. D., Graves, C. R., Ebbesen, S. D., Jensen, S. H., Hagen, A., Holtappels, P., Hendriksen, P. V. & Mogensen, M. B., 2014, Proceedings of 11th European SOFC and SOE Forum 2014. European Fuel Cell Forum, B1301

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

File
343 Downloads (Pure)

TOF-SIMS characterization of impurity enrichment and redistribution in solid oxide electrolysis cells during operation

Kiebach, W-R., Norrman, K., Chatzichristodoulou, C., Chen, M., Sun, X., Ebbesen, S. D., Mogensen, M. B. & Hendriksen, P. V., 2014, In : Dalton Transactions. 43, 40, p. 14949-14958

Research output: Contribution to journalJournal articleResearchpeer-review

2013

Durability of Solid Oxide Electrolysis Cell and Interconnects for Steam Electrolysis

Sun, X., Chen, M., Liu, Y-L., Hendriksen, P. V. & Mogensen, M. B., 2013, In : E C S Transactions. 57, 1, p. 3229-3238

Research output: Contribution to journalConference articleResearchpeer-review

Durability of Solid Oxide Electrolysis Cells for Syngas Production

Sun, X., Chen, M., Liu, Y-L., Hjalmarsson, P., Ebbesen, S. D., Jensen, S. H., Mogensen, M. B. & Hendriksen, P. V., 2013, In : Journal of the Electrochemical Society. 160, 9, p. F1074-F1080

Research output: Contribution to journalJournal articleResearchpeer-review

Influence of the oxygen electrode and inter-diffusion barrier on the degradation of solid oxide electrolysis cells

Hjalmarsson, P., Sun, X., Liu, Y-L. & Chen, M., 2013, In : Journal of Power Sources. 223, p. 349-357

Research output: Contribution to journalJournal articleResearchpeer-review

Microstructural Degradation of Ni/YSZ Electrodes in Solid Oxide Electrolysis Cells under High Current

Chen, M., Liu, Y-L., Bentzen, J. J., Zhang, W., Sun, X., Hauch, A., Tao, Y., Bowen, J. R. & Hendriksen, P. V., 2013, In : Journal of the Electrochemical Society. 160, 8, p. F883-F891

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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222 Downloads (Pure)

Microstructure characterisation of solid oxide electrolysis cells operated at high current density

Bowen, J. R., Bentzen, J. J., Chen, M., Ebbesen, S. D., Ehora, G., Hauch, A., Hendriksen, P. V., Liu, Y-L., Sun, X. & Zhang, W., 2013.

Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

Reversible solid oxide cells: Limitations and possibilities

Mogensen, M. B., Ebbesen, S. D., Graves, C. R., Sun, X., Tao, Y., Chen, M. & Jacobsen, T., 2013, Proceedings of the 19th International Conference on Solid State Ionics. 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

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116 Downloads (Pure)