Christodoulos Chatzichristodoulou

Christodoulos Chatzichristodoulou

Senior Researcher

DTU ENERGY
Department of Energy Conversion and Storage

Technical University of Denmark

Fysikvej

Building 310, room 234

2800 Kgs. Lyngby

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2019
2018
 

Development of novel electrode materials for high temperature: electrochemical water splitting

Mazzanti, Nicola ; Hendriksen, Peter Vang ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
part of: Sustain Conference 2018, 2018, Technical University of Denmark, Lyngby, Denmark
Presented at:
Sustain conference 2018: Creating Technology for a Sustainable Society

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2018

  PDF

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

Ta, Na ; Chen, Ming ; Zhang, Lijun ; Chatzichristodoulou, Christodoulos ; Chen, Weimin ; Hendriksen, Peter Vang ; Du, Yong
in: Journal of Membrane Science, vol: 548, pages: 526-539

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1016/j.memsci.2017.11.033

  PDF

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

Adolphsen, Jens Q. ; Sudireddy, Bhaskar R. ; Gil, Vanesa ; Chatzichristodoulou, Christodoulos
in: Journal of The Electrochemical Society, vol: 165, issue: 10, pages: F827-F835

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1149/2.0911810jes

  PDF

The Impact of Strong Cathodic Polarization on Ni|YSZ Microelectrodes

Kreka, K. ; Hansen, K. V. ; Mogensen, M. B. ; Norrman, K. ; Chatzichristodoulou, C. ; Jacobsen, T.
in: Journal of the Electrochemical Society, vol: 165, issue: 5, pages: F253-F263

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1149/2.0141805jes

2017
  PDF

Chemical and Electrochemical Properties of La0.58Sr0.4Fe0.8Co0.2O3-δ (LSCF) Thin Films upon Oxygen Reduction and Evolution Reactions

Pitscheider, Simon ; Machala, Michael ; Guan, Zixuan ; Chen, Di ; Hjelm, Johan ; Jacobsen, Torben ; Chueh, William C. ; Mogensen, Mogens Bjerg ; Chatzichristodoulou, Christodoulos
Presented at:
232nd ECS meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2017

 

Chemical and Electrochemical Properties of La0.58Sr0.4Fe0.8Co0.2O3-δ (LSCF) Thin Films upon Oxygen Reduction and Evolution Reactions

Pitscheider, Simon ; Machala, Michael ; Guan, Zixuan ; Chen, Di ; Hjelm, Johan ; Jacobsen, Torben ; Chueh, William C. ; Mogensen, Mogens Bjerg ; Chatzichristodoulou, Christodoulos
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2017-02 , pages: 1
Presented at:
232nd ECS meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Development of novel High Temperature and Pressure Alkaline Electrolysis Cells (HTP-AEC)

Adolphsen, Jens Quitzau ; Gil, Vanesa ; Sudireddy, Bhaskar Reddy ; Chatzichristodoulou, Christodoulos
Presented at:
1st International Conference on Electrolysis

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Electrocatalytic conversion of biomass-derived chemicals in alkaline electrochemical cell

Traulsen, Marie Lund ; Joya, Khurram Saleem ; Chatzichristodoulou, Christodoulos
Presented at:
DEF Annual Meeting 2017

Type: Conference abstract for conference

Status: Published     |    Year: 2017

 

Electrochemical Study of (La0.6Sr0.4)0.99CoO3-δ Thin Film Microelectrodes

Kreka, Kosova ; Hansen, Karin Vels ; Jacobsen, Torben ; Norrman, Kion ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
Presented at:
232nd ECS meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

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

Cheng, Shiyang ; Chatzichristodoulou, Christodoulos ; Søgaard, Martin ; Kaiser, Andreas ; Hendriksen, Peter Vang
in: Journal of the Electrochemical Society, vol: 164, issue: 13, pages: F1354-F1367

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1149/2.0531713jes

 

Thermoneutral Operation of Solid Oxide Electrolysis Cells in Potentiostatic Mode

Chen, Ming ; Sun, Xiufu ; Chatzichristodoulou, Christodoulos ; Koch, Søren ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg
part of: ECS Meeting Abstracts, 2017, The Electrochemical Society
Presented at:
15th International Symposium on Solid Oxide Fuel Cells (SOFC-XV)

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

  PDF

Thermoneutral Operation of Solid Oxide Electrolysis Cells in Potentiostatic Mode

Chen, Ming ; Sun, Xiufu ; Chatzichristodoulou, Christodoulos ; Koch, Søren ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg
in: E C S Transactions, vol: 78, issue: 1, pages: 3077-3088

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1149/07801.3077ecst

2016
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Accelerated creep in solid oxide fuel cell anode supports during reduction

Frandsen, Henrik Lund ; Makowska, Malgorzata Grazyna ; Greco, Fabio ; Chatzichristodoulou, Christodoulos ; Ni, De Wei ; Curran, Declan ; Strobl, M. ; Kuhn, Luise Theil ; Hendriksen, Peter Vang
in: Journal of Power Sources, vol: 323, pages: 78-89

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.jpowsour.2016.04.097

 

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

Kiebach, Wolff-Ragnar ; Engelbrecht, Kurt ; Grahl-Madsen, Laila ; Sieborg, Bertil ; Chen, Ming ; Hjelm, Johan ; Norrman, Kion ; Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
in: Journal of Power Sources, vol: 315, pages: 339-350

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.jpowsour.2016.03.030

  PDF

Electro-Oxidative Conversion and Process Intensification of Biomass derived 5-Hydroxymethylfurfural into 2,5-furandicarboxylic acid

Joya, Khurram Saleem ; Chatzichristodoulou, Christodoulos ; Holtappels, Peter
Presented at:
Electrochemical Science and Technology Conference 2016

Type: Conference abstract for conference

Status: Published     |    Year: 2016

  PDF

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

Irvine, John T.S. ; Neagu, Dragos ; Verbraeken, Maarten C. ; Chatzichristodoulou, Christodoulos ; Graves, Christopher R. ; Mogensen, Mogens Bjerg
in: Nature Energy, vol: 1

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1038/NENERGY.2015.14

  PDF

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

Chatzichristodoulou, Christodoulos ; Allebrod, Frank ; Mogensen, Mogens Bjerg
in: Journal of The Electrochemical Society, vol: 163, issue: 11, pages: F3036-F3040

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1149/2.0051611jes

 

High Temperature and Pressure Alkaline Electrochemical Reactor for Conversion of Power to Chemicals

Chatzichristodoulou, Christodoulos
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

 

High temperature in operando and in situ spectroscopy on electrified surfaces and interfaces

Chatzichristodoulou, Christodoulos ; Hansen, Karin Vels ; Holtappels, Peter ; Jacobsen, Torben ; Kreka, Kosova ; Mogensen, Mogens Bjerg ; Pitscheider, Simon ; Traulsen, Marie Lund
Presented at:
EERA Annual Conference 2016

Type: Conference abstract for conference

Status: Published     |    Year: 2016

 

New Hypothesis for SOFC Ceramic Oxygen Electrode Mechanisms

Mogensen, Mogens Bjerg ; Chatzichristodoulou, Christodoulos ; Graves, Christopher R. ; Hansen, Karin Vels ; Kammer Hansen, Kent ; Hauch, Anne ; Jacobsen, Torben Krogsdal ; Norrman, Kion
in: E C S Transactions, vol: 72, issue: 7, pages: 93-103
Presented at:
The 229th ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1149/07207.0093ecst

 

Relaxation of stresses during reduction of anode supported SOFCs

Frandsen, Henrik Lund ; Chatzichristodoulou, Christodoulos ; Jørgensen, Peter Stanley ; Kwok, Kawai ; Hendriksen, Peter Vang
part of: Proceedings of 12th European SOFC and SOE Forum 2016, pages: B11-17-B11-23, 2016, European Fuel Cell Forum
Presented at:
12th European SOFC & SOE Forum

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

 

The Impact of Strong Cathodic Polarization on SOC Electrolyte Materials

Kreka, Kosova ; Hansen, Karin Vels ; Jacobsen, Torben ; Norrman, Kion ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

  PDF

Thermo-Chemo-Mechanical Response of Solid Oxide Cells during Reduction and Cooling

Chatzichristodoulou, Christodoulos ; Charlas, Benoit (Invited author) ; Kwok, Kawai ; Jørgensen, Peter Stanley ; Norby, Poul ; Hendriksen, Peter Vang ; Frandsen, Henrik Lund
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2016-01
Presented at:
The 229th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2016

2015
  PDF

Complete relaxation of residual stresses during reduction of solid oxide fuel cells

Frandsen, Henrik Lund ; Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
part of: Proceedings of EFC2015, 2016, ENEA
Presented at:
European Fuel Cell Technology & Applications Conference 2015

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015

  PDF

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

Graves, Christopher R. ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: Faraday Discussions, vol: 182, pages: 75-95

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2015     |    DOI: https://doi.org/10.1039/c5fd00048c

 

Need for In Operando Characterization of Electrochemical Interface Features

Traulsen, Marie Lund ; Chatzichristodoulou, Christodoulos ; Hansen, Karin Vels ; Kuhn, Luise Theil ; Holtappels, Peter ; Mogensen, Mogens Bjerg
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2015-01, issue: 27

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015

 

Need for In Operando Characterization of Electrochemical Interface Features

Traulsen, Marie Lund ; Chatzichristodoulou, Christodoulos ; Hansen, Karin Vels ; Kuhn, Luise Theil ; Holtappels, Peter ; Mogensen, Mogens Bjerg
in: E C S Transactions, vol: 66, issue: 2, pages: 3-20
Presented at:
227th ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1149/06602.0003ecst

  PDF

Size of oxide vacancies in fluorite and perovskite structured oxides

Chatzichristodoulou, Christodoulos ; Norby, Poul ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg
in: Journal of Electroceramics, vol: 34, issue: 1, pages: 100-107

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1007/s10832-014-9916-2

2014
 

A METHOD AND AN ELECTRODE PRODUCED BY INFILTRATION

Samson, Alfred Junio ; Søgaard, Martin ; Bonanos, Nikolaos ; Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
Patent no.: WO2014059991, Date: 2014-04-24

Type: Patent

Status: Published     |    Year: 2014

 

Chemical Expansion: Implications for Electrochemical Energy Storage and Conversion Devices

Bishop, S.R. ; Marrocchelli, D. ; Chatzichristodoulou, Christodoulos ; Perry, N.H. ; Mogensen, Mogens Bjerg ; Tuller, H.L. ; Wachsman, E.D.
in: Annual Review of Materials Research, vol: 44, pages: 205-239

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1146/annurev-matsci-070813-113329

 

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

Allebrod, Frank ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: Journal of Power Sources, vol: 255, pages: 394-403

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.jpowsour.2014.01.024

 

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

Lapina, Alberto ; Chatzichristodoulou, Christodoulos ; Holtappels, Peter ; Mogensen, Mogens Bjerg
in: Journal of The Electrochemical Society, vol: 161, issue: 9, pages: F833-F837

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1149/2.017409jes

 

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

Marrocchelli, Dario ; Chatzichristodoulou, Christodoulos ; Bishop, Sean R.
in: Physical Chemistry Chemical Physics, vol: 16, issue: 20, pages: 9229-9232

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1039/c4cp01096e

 

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

Lapina, Alberto ; Chatzichristodoulou, Christodoulos ; Hallinder, Jonathan ; Holtappels, Peter ; Mogensen, Mogens Bjerg
in: Journal of Solid State Electrochemistry, vol: 18, issue: 1, pages: 39-47

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1007/s10008-013-2225-x

 

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

Ricote, Sandrine ; Zhu, Huayang ; Coors, W. Grover ; Chatzichristodoulou, Christodoulos ; Kee, Robert J.
in: Solid State Ionics, vol: 265, pages: 22-28

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.ssi.2014.07.008

 

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

Zhu, Huayang ; Ricote, Sandrine ; Coors, W. Grover ; Chatzichristodoulou, Christodoulos ; Kee, Robert J.
in: Solid State Ionics, vol: 268, issue: Part A, pages: 198–207

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.ssi.2014.07.009

 

Fermi Potential across Working Solid Oxide Cells with Zirconia or Ceria Electrolytes

Jacobsen, Torben ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2014-01, issue: 16
Presented at:
225th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

 

Fermi Potential across Working Solid Oxide Cells with Zirconia or Ceria Electrolytes

Jacobsen, Torben ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: E C S Transactions, vol: 61, issue: 1, pages: 203-214
Presented at:
225th ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1149/06101.0203ecst

 

Foam Based Gas Diffusion Electrodes for Reversible Alkaline Electrolysis Cells

Allebrod, Frank ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2014-02, issue: 21, pages: 1235
Presented at:
226th Meeting of the Electrochemical Society (ECS) and 7th Meeting of the Mexico Section of the Electrochemical Society ECS and SMEQ Joint International Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

 

Foam Based Gas Diffusion Electrodes for Reversible Alkaline Electrolysis Cells

Allebrod, Frank ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: ECS Transactions, vol: 64, issue: 3, pages: 1029-1038
Presented at:
226th Meeting of the Electrochemical Society (ECS) and 7th Meeting of the Mexico Section of the Electrochemical Society ECS and SMEQ Joint International Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1149/06403.1029ecst

 

High performance and highly durable infiltrated cathodes using Pr-modified Ce0.9Gd0.1O1.95 backbone

Samson, Alfred Junio ; Søgaard, Martin ; Bonanos, Nikolaos ; Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
part of: Proceedings of 38th International Conference and Expo on Advanced Ceramics and Composites (ICACC-38), 2014, American Ceramic Society
Presented at:
38th International Conference and Expo on Advanced Ceramics and Composites

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

 

HIGH PERFORMANCE CERIA BASED OXYGEN MEMBRANE

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang ; Foghmoes, Søren Preben Vagn ; Ricote, Sandrine ; Kaiser, Andreas ; Classcock, Julie (Inventor) ; Cheng, Shiyang
Patent no.: WO2014059992, Date: 2014-04-24

Type: Patent

Status: Published     |    Year: 2014

 

Power to fuel using electrolysis and CO2 capture

Mogensen, Mogens Bjerg ; Graves, Christopher R. ; Chatzichristodoulou, Christodoulos ; Ebbesen, Sune Dalgaard
part of: Abstract Book - DTU Sustain Conference 2014, 2014, Technical University of Denmark, Kgs. Lyngby
Presented at:
DTU Sustain Conference 2014

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

 

Residual stresses in a co-sintered SOC half-cell during post-sintering cooling

Charlas, Benoit ; Chatzichristodoulou, Christodoulos ; Brodersen, Karen ; Kwok, Kawai ; Norby, Poul ; Chen, Ming ; Frandsen, Henrik Lund
part of: Proceedings of 11th European SOFC and SOE Forum 2014, 2014, European Fuel Cell Forum
Presented at:
European fuel cell 2014 - 11th European SOFC and SOE Forum 2014

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2014

2013
 

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

Allebrod, Frank ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
in: Journal of Power Sources, vol: 229, pages: 22-31

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.jpowsour.2012.11.105

 

Ceria and its use in solid oxide cells and oxygen membranes

Chatzichristodoulou, Christodoulos ; Blennow Tullmar, Peter ; Søgaard, Martin ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg
part of: Catalysis by Ceria and Related Materials, pages: 623-782, 2013, World Scientific

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2013

 

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

Chatzichristodoulou, Christodoulos ; Schönbeck, C. ; Hagen, Anke ; Hendriksen, Peter Vang
in: Solid State Ionics, vol: 232, pages: 68-79

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.ssi.2012.10.026

 

Enhanced mass diffusion phenomena in highly defective doped ceria

Esposito, Vincenzo ; Ni, De Wei ; He, Zeming ; Zhang, Wei ; Prasad, Aditya Shanker ; Glasscock, Julie ; Chatzichristodoulou, Christodoulos ; Ramousse, Severine ; Kaiser, Andreas
in: Acta Materialia, vol: 61, issue: 16, pages: 6290-6300

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.actamat.2013.07.012

 

High temperature and pressure alkaline electrolysis

Allebrod, Frank ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
part of: Proceedings of the 4th European PEFC and H2 Forum 2013, pages: A0705, 2013
Presented at:
4th European PEFC and H2 Forum 2013

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2013

  PDF

High temperature and pressure electrochemical test station

Chatzichristodoulou, Christodoulos ; Allebrod, Frank ; Mogensen, Mogens Bjerg
in: Review of Scientific Instruments, vol: 84, issue: 5, pages: 054101

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1063/1.4807094

 

In situ X-ray and neutron diffraction of the Ruddlesden-Popper compounds (RE2-xSrx)0.98(Fe0.8Co0.2)1-yMgyO4-δ (RE=La, Pr): Structure and CO2 stability

Chatzichristodoulou, Christodoulos ; Hauback, B.C. ; Hendriksen, Peter Vang
in: Journal of Solid State Chemistry, vol: 201, pages: 164-171

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.jssc.2013.02.014

 

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, Christodoulos ; Hallinder, Jonathan ; Lapina, Alberto ; Holtappels, Peter ; Mogensen, Mogens Bjerg
in: Journal of the Electrochemical Society, vol: 160, issue: 8, pages: F798-F805

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1149/2.050308jes

 

Pressurized HxCyOz Cells at ca. 250 °C: Potential and Challenges

Mogensen, Mogens Bjerg ; Chatzichristodoulou, Christodoulos ; Allebrod, Frank ; Hallinder, Jonathan ; Vico, Federica ; Abdul Jabbar, Mohammed Hussain ; Holtappels, Peter
part of: Proceedings of 4th European PEFC and H2 Forum 2013, 2013, European Fuel Cell Forum
Presented at:
4th European PEFC and H2 Forum 2013

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2013

  PDF

Volume of Oxide Vacancies in Fluorite and Perovskite Structured Oxides

Mogensen, Mogens Bjerg ; Norby, Poul ; Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
Presented at:
Arthur S. Nowick Memorial Symposium

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2013

2012
 

Determination of redox-active centers in praseodymium doped ceria by in situ-XANES spectroscopy

Kiebach, Wolff-Ragnar ; Chatzichristodoulou, Christodoulos ; Werchmeister, Rebecka Maria Larsen ; Hagen, Anke
in: Chemical Physics Letters, vol: 537, pages: 80-83

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.cplett.2012.04.009

 

Electrical conductivity measurements of aqueous and immobilized potassium hydroxide

Allebrod, Frank ; Chatzichristodoulou, Christodoulos ; Mollerup, Pia Lolk ; Mogensen, Mogens Bjerg
in: International Journal of Hydrogen Energy, vol: 37, issue: 21, pages: 16505-16514
Presented at:
International Conference on Hydrogen Production

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.ijhydene.2012.02.088

 

Electronic and ionic transport in Ce0.8PrxTb0.2-xO2-δ and evaluation of performance as oxygen permeation membranes

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
in: E C S Transactions, vol: 45, issue: 1, pages: 45-62
Presented at:
221st ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1149/1.3701292

  PDF

Electronic and Ionic Transport in Ce0.8PrxTb0.2−xO2−δ and Evaluation of Performance as Oxygen Permeation Membranes

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
in: Journal of The Electrochemical Society, vol: 159, issue: 11, pages: E162-E170

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1149/2.017211jes

2011
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Electrical conductivity measurements of aqueous and immobilized potassium hydroxide

Allebrod, Frank ; Mollerup, Pia Lolk ; Chatzichristodoulou, Christodoulos ; Mogensen, Mogens Bjerg
part of: Proceedings, pages: 181ELE, 2011
Presented at:
International Conference on Hydrogen Production

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2011

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Electrolysis for Integration of Renewable Electricity and Routes towards Sustainable Fuels

Mogensen, Mogens Bjerg ; Allebrod, Frank ; Bowen, Jacob R. ; Chatzichristodoulou, Christodoulos ; Chen, Ming ; Ebbesen, Sune Dalgaard ; Graves, Christopher R. ; Hallinder, Jonathan ; Hauch, Anne ; Hendriksen, Peter Vang ; Holtappels, Peter ; Høgh, Jens Valdemar Thorvald ; Jensen, S.H. ; Lapina, Alberto ; Mollerup, Pia Lolk ; Sun, Xiufu
part of: Proceedings, 2011
Presented at:
10th International Workshop on Large-Scale Integration of Wind Power into Power Systems as well as on Transmission Networks for Offshore Wind Farms

Type: Article in proceedings

Status: Published     |    Year: 2011

 

Electronic conductivity of Ce(0.9)Gd(0.1)O(1.95-δ) and Ce(0.8)Pr(0.2)O(2-δ): Hebb-Wagner polarisation in the case of redox active dopants and interference.

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
in: Physical Chemistry Chemical Physics, vol: 13, issue: 48, pages: 21558-21572

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1039/C1CP21824G

 

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

Chatzichristodoulou, Christodoulos ; Søgaard, Martin ; Glasscock, Julie ; Kaiser, Andreas ; Foghmoes, Søren Preben Vagn ; Hendriksen, Peter Vang
in: Journal of The Electrochemical Society, vol: 158, issue: 5, pages: F73-F83

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1149/1.3559189

 

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

Chatzichristodoulou, Christodoulos ; Søgaard, Martin ; Hendriksen, Peter Vang
in: Journal of The Electrochemical Society, vol: 158, issue: 5, pages: F61-F72

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1149/1.3556096

2010
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Defect Chemistry and Thermomechanical Properties of Ce0.8PrxTb0.2-xO2-delta

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang ; Hagen, Anke
in: Journal of The Electrochemical Society, vol: 157, issue: 2, pages: B299-B307

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1149/1.3270475

 

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

He, Zeming ; Yuan, Hao ; Glasscock, Julie ; Chatzichristodoulou, Christodoulos ; Phair, John ; Kaiser, Andreas ; Ramousse, Severine
in: Acta Materialia, vol: 58, issue: 11, pages: 3860-3866

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.actamat.2010.03.046

 

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

Chatzichristodoulou, Christodoulos ; Park, Woo-Seok ; Kim, Hong-Seok ; Hendriksen, Peter Vang ; Yoo, Han-Ill
in: Physical Chemistry Chemical Physics, vol: 12, issue: 33, pages: 9637-9649

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1039/C000865F

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

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang
in: Journal of The Electrochemical Society, vol: 157, issue: 4, pages: B481-B489

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1149/1.3288241

 

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, Christodoulos ; Chen, Ming ; Bowen, Jacob R. ; Liu, Yi-Lin
in: Journal of the American Ceramic Society, vol: 93, issue: 9, pages: 2884-2890

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1111/j.1551-2916.2010.03774.x

2009
 

Materials development for oxygen permeation membranes

Chatzichristodoulou, Christodoulos
Presented at:
HyFC Academy Annual Meeting

Type: Conference abstract for conference

Status: Published     |    Year: 2009

2008
 

Oxygen Nonstoichiometry and Defect Chemistry Modelling of Ce0.8PrxTb0.2-xO2-δ

Chatzichristodoulou, Christodoulos ; Hendriksen, Peter Vang ; Hagen, Anke ; Grivel, Jean-Claude
in: ECS Transactions, vol: 13, issue: 26, pages: 347-359
Presented at:
213th ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1149/1.3050406

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Transport, Thermal Expansion and Redox Properties of Ce0,80RE0,20O2-δ (RE=Pr, Tb) Solid Solutions

Chatzichristodoulou, Christodoulos ; Grivel, Jean-Claude ; Hagen, Anke ; Hendriksen, Peter Vang
part of: Meeting Abstracts - Electrochemical Society, pages: Abstract 395, 2008, The Electrochemical Society
Presented at:
213th ECS Meeting

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

 

Valence of Pr and Tb in Ce0,8(Pr,Tb)0,2O2-d solid solutions

Chatzichristodoulou, Christodoulos ; Hagen, Anke
part of: HASYLAB Annual Report 2007, pages: 895-896, 2008, HASYLAB

Type: Book chapter

Status: Published     |    Year: 2008