No photo of Christodoulos Chatzichristodoulou
  • Fysikvej, 310, 234

    2800 Kgs. Lyngby

    Denmark

20082021
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Research Output 2008 2020

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Journal article
2020

Polysulfone-polyvinylpyrrolidone blend membranes as electrolytes in alkaline water electrolysis

Aili, D., Kraglund, M. R., Tavacoli, J., Chatzichristodoulou, C. & Jensen, J. O., 2020, (Accepted/In press) In : Journal of Membrane Science. 10 p., 117674.

Research output: Contribution to journalJournal articleResearchpeer-review

2019

Effect of Fe on high performing nanostructured Ni/Gd-doped ceria electrocatalysts

Simonsen, S. B., Muhl, T. T., Thydén, K. T. S., Chatzichristodoulou, C., Nielsen, J. & Sudireddy, B. R., 2019, In : Solid State Ionics. 340, 6 p., 115019.

Research output: Contribution to journalJournal articleResearchpeer-review

2018
30 Downloads (Pure)

Numerical simulation of kinetic demixing and decomposition in a LaCoO3-δ oxygen membrane under an oxygen potential gradient

Ta, N., Chen, M., Zhang, L., Chatzichristodoulou, C., Chen, W., Hendriksen, P. V. & Du, Y., 2018, In : Journal of Membrane Science. 548, p. 526-539

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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58 Downloads (Pure)

Oxygen Evolution Activity and Chemical Stability of Ni and Fe Based Perovskites in Alkaline Media

Adolphsen, J. Q., Sudireddy, B. R., Gil, V. & Chatzichristodoulou, C., 2018, In : Journal of The Electrochemical Society. 165, 10, p. F827-F835

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
171 Downloads (Pure)

The Impact of Strong Cathodic Polarization on Ni|YSZ Microelectrodes

Kreka, K., Hansen, K. V., Mogensen, M. B., Norrman, K., Chatzichristodoulou, C. & Jacobsen, T., 2018, In : Journal of the Electrochemical Society. 165, 5, p. F253-F263

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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2017
456 Downloads (Pure)

Ionic/Electronic Conductivity, Thermal/Chemical Expansion and Oxygen Permeation in Pr and Gd Co-Doped Ceria PrxGd0.1Ce0.9-xO1.95

Cheng, S., Chatzichristodoulou, C., Søgaard, M., Kaiser, A. & Hendriksen, P. V., 2017, In : Journal of the Electrochemical Society. 164, 13, p. F1354-F1367

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
196 Downloads (Pure)
Open Access
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194 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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2016
174 Downloads (Pure)

Accelerated creep in solid oxide fuel cell anode supports during reduction

Frandsen, H. L., Makowska, M. G., Greco, F., Chatzichristodoulou, C., Ni, D. W., Curran, D., Strobl, M., Kuhn, L. T. & Hendriksen, P. V., 2016, In : Journal of Power Sources. 323, p. 78-89 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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An Ag based brazing system with a tunable thermal expansion for the use as sealant for solid oxide cells

Kiebach, W-R., Engelbrecht, K., Grahl-Madsen, L., Sieborg, B., Chen, M., Hjelm, J., Norrman, K., Chatzichristodoulou, C. & Hendriksen, P. V., 2016, In : Journal of Power Sources. 315, p. 339-350 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

272 Downloads (Pure)

Design and optimization of porous ceramic supports for asymmetric ceria-based oxygen transport membranes

Kaiser, A., Foghmoes, S. P. V., Pećanac, G., Malzbender, J., Chatzichristodoulou, C., Glasscock, J., Kothanda Ramachandran, D., Ni, D. W., Esposito, V., Søgaard, M. & Hendriksen, P. V., 2016, In : Journal of Membrane Science. 513, p. 85-94

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
434 Downloads (Pure)

Evolution of the electrochemical interface in high-temperature fuel cells and electrolysers

Irvine, J. T. S., Neagu, D., Verbraeken, M. C., Chatzichristodoulou, C., Graves, C. R. & Mogensen, M. B., 2016, In : Nature Energy. 1, 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
477 Downloads (Pure)

High Temperature Alkaline Electrolysis Cells with Metal Foam Based Gas Diffusion Electrodes

Chatzichristodoulou, C., Allebrod, F. & Mogensen, M. B., 2016, In : Journal of The Electrochemical Society. 163, 11, p. F3036-F3040 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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2015

Enhanced reducibility and electronic conductivity of Nb or W doped Ce0.9Gd0.1O1.95 - δ

Chatzichristodoulou, C., Ricote, S., Foghmoes, S. P. V., Glasscock, J., Kaiser, A. & Hendriksen, P. V., 2015, In : Solid State Ionics. 269, p. 51-56 6 p.

Research output: Contribution to journalJournal articleResearchpeer-review

524 Downloads (Pure)

Kinetics of CO/CO2 and H2/H2O reactions at Ni-based and ceria-based solid-oxide-cell electrodes

Graves, C. R., Chatzichristodoulou, C. & Mogensen, M. B., 2015, In : Faraday Discussions. 182, p. 75-95

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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522 Downloads (Pure)

Size of oxide vacancies in fluorite and perovskite structured oxides

Chatzichristodoulou, C., Norby, P., Hendriksen, P. V. & Mogensen, M. B., 2015, In : Journal of Electroceramics. 34, 1, p. 100-107 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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2014
2 Downloads (Pure)

Chemical Expansion: Implications for Electrochemical Energy Storage and Conversion Devices

Bishop, S. R., Marrocchelli, D., Chatzichristodoulou, C., Perry, N. H., Mogensen, M. B., Tuller, H. L. & Wachsman, E. D., 2014, In : Annual Review of Materials Research. 44, p. 205-239

Research output: Contribution to journalJournal articleResearchpeer-review

Cobalt and molybdenum activated electrodes in foam based alkaline electrolysis cells at 150-250 °C and 40 bar

Allebrod, F., Chatzichristodoulou, C. & Mogensen, M. B., 2014, In : Journal of Power Sources. 255, p. 394-403

Research output: Contribution to journalJournal articleResearchpeer-review

Composite Fe - BaCe0.2Zr0.6Y0.2O2.9 Anodes for Proton Conductor Fuel Cells

Lapina, A., Chatzichristodoulou, C., Holtappels, P. & Mogensen, M. B., 2014, In : Journal of The Electrochemical Society. 161, 9, p. F833-F837

Research output: Contribution to journalJournal articleResearchpeer-review

Defining chemical expansion: the choice of units for the stoichiometric expansion coefficient

Marrocchelli, D., Chatzichristodoulou, C. & Bishop, S. R., 2014, In : Physical Chemistry Chemical Physics. 16, 20, p. 9229-9232

Research output: Contribution to journalJournal articleResearchpeer-review

Electrical conductivity of titanium pyrophosphate between 100 and 400 °C: effect of sintering temperature and phosphorus content

Lapina, A., Chatzichristodoulou, C., Hallinder, J., Holtappels, P. & Mogensen, M. B., 2014, In : Journal of Solid State Electrochemistry. 18, 1, p. 39-47

Research output: Contribution to journalJournal articleResearchpeer-review

Equilibrium and transient conductivity for gadolinium-doped ceria under large perturbations: I. Experiments

Ricote, S., Zhu, H., Coors, W. G., Chatzichristodoulou, C. & Kee, R. J., 2014, In : Solid State Ionics. 265, p. 22-28

Research output: Contribution to journalJournal articleResearchpeer-review

Equilibrium and transient conductivity for gadolium-doped ceria under large perturbations: II. Modeling

Zhu, H., Ricote, S., Coors, W. G., Chatzichristodoulou, C. & Kee, R. J., 2014, In : Solid State Ionics. 268, Part A, p. 198–207

Research output: Contribution to journalJournal articleResearchpeer-review

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

Alkaline electrolysis cell at high temperature and pressure of 250 °C and 42 bar

Allebrod, F., Chatzichristodoulou, C. & Mogensen, M. B., 2013, In : Journal of Power Sources. 229, p. 22-31

Research output: Contribution to journalJournal articleResearchpeer-review

Defect chemistry, thermomechanical and transport properties of (RE2 - xSrx)0.98(Fe0.8Co0.2)1 - yMgyO4 - δ (RE = La, Pr)

Chatzichristodoulou, C., Schönbeck, C., Hagen, A. & Hendriksen, P. V., 2013, In : Solid State Ionics. 232, p. 68-79

Research output: Contribution to journalJournal articleResearchpeer-review

Enhanced mass diffusion phenomena in highly defective doped ceria

Esposito, V., Ni, D. W., He, Z., Zhang, W., Prasad, A. S., Glasscock, J., Chatzichristodoulou, C., Ramousse, S. & Kaiser, A., 2013, In : Acta Materialia. 61, 16, p. 6290-6300

Research output: Contribution to journalJournal articleResearchpeer-review

985 Downloads (Pure)

High temperature and pressure electrochemical test station

Chatzichristodoulou, C., Allebrod, F. & Mogensen, M. B., 2013, In : Review of Scientific Instruments. 84, 5, p. 054101 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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Phase Composition and Long-Term Conductivity of Acceptor Doped Ce(PO3)4 and CeP2O7 with Variable P/Metal Ratio and of CeP2O7-KH2PO4 Composite

Chatzichristodoulou, C., Hallinder, J., Lapina, A., Holtappels, P. & Mogensen, M. B., 2013, In : Journal of the Electrochemical Society. 160, 8, p. F798-F805

Research output: Contribution to journalJournal articleResearchpeer-review

2012
893 Downloads (Pure)

Characterization of impregnated GDC nano structures and their functionality in LSM based cathodes

Klemensø, T., Chatzichristodoulou, C., Nielsen, J., Bozza, F., Thydén, K. T. S., Kiebach, W-R. & Ramousse, S., 2012, In : Solid State Ionics. 224, p. 21-31

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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Electrical conductivity measurements of aqueous and immobilized potassium hydroxide

Allebrod, F., Chatzichristodoulou, C., Mollerup, P. L. & Mogensen, M. B., 2012, In : International Journal of Hydrogen Energy. 37, 21, p. 16505-16514

Research output: Contribution to journalJournal articleResearchpeer-review

209 Downloads (Pure)
Open Access
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Evaluation of thin film ceria membranes for syngas membrane reactors—Preparation, characterization and testing

Kaiser, A., Foghmoes, S. P. V., Chatzichristodoulou, C., Søgaard, M., Glasscock, J., Frandsen, H. L. & Hendriksen, P. V., 2011, In : Journal of Membrane Science. 378, 1-2, p. 51-60

Research output: Contribution to journalJournal articleResearchpeer-review

Oxygen permeation in thin, dense Ce0.9Gd0.1O 1.95- membranes I. Model study

Chatzichristodoulou, C., Søgaard, M. & Hendriksen, P. V., 2011, In : Journal of The Electrochemical Society. 158, 5, p. F61-F72

Research output: Contribution to journalJournal articleResearchpeer-review

Oxygen permeation in thin, dense Ce0.9Gd0.1O 1.95- membranes II. experimental determination

Chatzichristodoulou, C., Søgaard, M., Glasscock, J., Kaiser, A., Foghmoes, S. P. V. & Hendriksen, P. V., 2011, In : Journal of The Electrochemical Society. 158, 5, p. F73-F83

Research output: Contribution to journalJournal articleResearchpeer-review

2010
209 Downloads (Pure)

Defect Chemistry and Thermomechanical Properties of Ce0.8PrxTb0.2-xO2-delta

Chatzichristodoulou, C., Hendriksen, P. V. & Hagen, A., 2010, In : Journal of The Electrochemical Society. 157, 2, p. B299-B307

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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Densification and Grain Growth during Early-stage Sintering of Ce0.9Gd0.1O1.95-δ in Reducing Atmosphere

He, Z., Yuan, H., Glasscock, J., Chatzichristodoulou, C., Phair, J., Kaiser, A. & Ramousse, S., 2010, In : Acta Materialia. 58, 11, p. 3860-3866

Research output: Contribution to journalJournal articleResearchpeer-review

Experimental determination of the Onsager coefficients of transport for Ce0.8Pr0.2O2−δ

Chatzichristodoulou, C., Park, W-S., Kim, H-S., Hendriksen, P. V. & Yoo, H-I., 2010, In : Physical Chemistry Chemical Physics. 12, 33, p. 9637-9649

Research output: Contribution to journalJournal articleResearchpeer-review

356 Downloads (Pure)

Oxygen Nonstoichiometry and Defect Chemistry Modeling of Ce0.8Pr0.2O2-delta

Chatzichristodoulou, C. & Hendriksen, P. V., 2010, In : Journal of The Electrochemical Society. 157, 4, p. B481-B489

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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Phase Formation in the System ZrO2–LaO1.5–MnOx in Air and PO2B1 Pa After 500 h of Annealing at 12001 and 14001 deg.C

Chatzichristodoulou, C., Chen, M., Bowen, J. R. & Liu, Y-L., 2010, In : Journal of the American Ceramic Society. 93, 9, p. 2884-2890

Research output: Contribution to journalJournal articleResearchpeer-review