Publications

CsH₂PO₄ is not stable at 260 °C unless confined. Comments to article by C.E. Botez, I. Martinez, A. Price, H. Martinez, and J.H. Leal in J. Phys. Chem. Solids 129 (2019) 324-328

Berg, Rolf W. ; Nikiforov, Aleksey Valerievich ; Bjerrum, Niels J.
in: Journal of Physics and Chemistry of Solids, vol: 136

Type: Journal article

Status: Published | Year: 2020 | DOI: https://doi.org/10.1016/j.jpcs.2019.109177

Voltammetric study of one-step electrochemical methane production during water and CO₂ co-electrolysis in molten CsH₂PO₄

Nikiforov, Aleksey Valerievich ; Petrushina, Irina ; Christensen, Erik ; Berg, Rolf W. ; Bjerrum, Niels J.
in: Renewable Energy, vol: 145, pages: 508-513

Type: Journal article (Peer reviewed)

Status: Published | Year: 2020 | DOI: https://doi.org/10.1016/j.renene.2019.06.075

Method and apparatus for methane production

Bjerrum, Niels Janniksen ; Christensen, Erik ; Petrouchina, Irina Mikhailovna (Inventor) ; Nikiforov, Aleksey ; Berg, Rolf Willestofte
Patent no.: WO2019048016, Date: 2018-02-08

Type: Patent

Status: Published | Year: 2019

Comprehensive Hypotheses for Degradation Mechanisms in Ni-Stabilized Zirconia Electrodes

Mogensen, Mogens Bjerg ; Chen, Ming ; Frandsen, Henrik Lund ; Graves, Christopher R. ; Hauch, Anne ; Jacobsen, Torben ; Jensen, Søren Højgaard ; Skafte, Theis Løye ; Sun, Xiufu
in: ECS Transactions, vol: 91, issue: 1, pages: 613-620

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/09101.0613ecst

Controlling the Hydration Structure with a Small Amount of Fluorine To Produce Blood Compatible Fluorinated Poly(2-methoxyethyl acrylate)

Koguchi, Ryohei ; Jankova, Katja ; Tanabe, Noriko ; Amino, Yosuke ; Hayasaka, Yuki ; Kobayashi, Daisuke ; Miyajima, Tatsuya ; Yamamoto, Kyoko ; Tanaka, Masaru
in: Biomacromolecules, vol: 20, issue: 6, pages: 2265-2275

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1021/acs.biomac.9b00201

Corrosion behavior and conductivity of TiNb and TiNbN Coated Steel For Metallic Bipolar Plates

Shi, Kun ; Li, Xue ; Zhao, Yang ; Li, Wei Wei ; Wang, Shu Bo ; Xie, Xiao Feng ; Yao, Li ; Jensen, Jens Oluf ; Li, Qing Feng
in: Applied Sciences (switzerland), vol: 9, issue: 12

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.3390/app9122568

Degradation in Solid Oxide Electrolysis Cells During Long Term Testing

Sun, X. ; Hendriksen, P. V. ; Mogensen, M. B. ; Chen, M.
in: Fuel Cells

Type: Journal article (Peer reviewed)

Status: Accepted/In press | Year: 2019 | DOI: https://doi.org/10.1002/fuce.201900081

Developing Accelerated Stress Test Protocols for Solid Oxide Fuel Cells and Electrolysers: The European Project AD ASTRA

McPhail, S. J. ; Pumiglia, D. ; Laurencin, J. ; Hagen, A. ; Leon, A. ; Van herle, J. ; Vladikova, D. ; Montinaro, D. ; Piccardo, P. ; Polverino, P. ; Herbrig, K.
in: ECS Transactions, vol: 91, issue: 1, pages: 563-570

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/09101.0563ecst

Durability and degradation of vapor-fed direct dimethyl ether high temperature polymer electrolyte membrane fuel cells

Vassiliev, Anton ; Reumert, Alexander Kappel ; Jensen, Jens Oluf ; Aili, David
in: Journal of Power Sources, vol: 432, pages: 30-37

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.jpowsour.2019.05.062

Electrochemical Preparation of DyFe2 Alloy from the Solid Mixture of Dy2O3 and Fe2O3 in Molten CaCl2

Fan, Chenming ; Li, Guoqing ; Liu, Xiaolong ; Li, Qingfeng ; Li, Bing
in: Journal of the Electrochemical Society, vol: 166, issue: 13, pages: D589-D594

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/2.0401913jes

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, Qing
in: Journal of the Electrochemical Society, vol: 166, issue: 15, pages: F1180-F1189

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/2.0041915jes

Evolution of the degradation mechanisms with the number of stress cycles during an accelerated stress test of carbon supported platinum nanoparticles

Sharma, Raghunandan ; Gyergyek, Sašo ; Li, Qingfeng ; Andersen, Shuang Ma
in: Journal of Electroanalytical Chemistry, vol: 838, pages: 82-88

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.jelechem.2019.02.052

Feasibility of ultra-low Pt loading electrodes for high temperature proton exchange membrane fuel cells based in phosphoric acid-doped membrane

Martin, S. ; Jensen, J. O. ; Li, Q. ; Garcia-Ybarra, P. L. ; Castillo, J. L.
in: International Journal of Hydrogen Energy, vol: 44, issue: 52, pages: 28273-28282

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.ijhydene.2019.09.073

Hydration States and Blood Compatibility of Hydrogen-Bonded Supramolecular Poly(2-methoxyethyl acrylate)

Jankova, Katja ; Javakhishvili, Irakli ; Kobayashi, Shingo ; Koguchi, Ryohei ; Murakami, Daiki ; Sonoda, Toshiki ; Tanaka, Masaru
in: Acs Applied Bio Materials, vol: 2, issue: 10, pages: 4154-4161

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1021/acsabm.9b00363

Influence of oxygen on the cathode in HT-PEM fuel cells

Søndergaard, S. ; Cleemann, L. N. ; Jensen, J. O. ; Bjerrum, N. J.
in: International Journal of Hydrogen Energy, vol: 44, issue: 36, pages: 20379-20388

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.ijhydene.2019.06.025

Internal reforming on Metal supported SOFCs

Hagen, A. ; Sun, X. ; Sudireddy, B. R. ; Persson, Å. H.
in: ECS Transactions, vol: 91, issue: 1, pages: 867-876

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/09101.0867ecst

Ion-solvating membranes as a new approach towards high rate alkaline electrolyzers

Kraglund, Mikkel Rykær ; Carmo, Marcelo ; Schiller, Günter ; Ansar, Syed Asif ; Aili, David ; Christensen, Erik ; Jensen, Jens Oluf
in: Energy and Environmental Science, vol: 12, issue: 11, pages: 3313-3318

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1039/c9ee00832b

Iron Single Atoms on Graphene as Nonprecious Metal Catalysts for High-Temperature Polymer Electrolyte Membrane Fuel Cells

Cheng, Yi ; He, Shuai ; Lu, Shanfu ; Veder, Jean-Pierre ; Johannessen, Bernt ; Thomsen, Lars ; Saunders, Martin ; Becker, Thomas ; De Marco, Roland ; Li, Qingfeng ; Yang, Shi-ze ; Jiang, San Ping
in: Advanced Science, vol: 6, issue: 10

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1002/advs.201802066

Life cycle cost analysis: A case study of hydrogen energy application on the Orkney Islands

Zhao, Guangling ; Ravn Nielsen, Eva ; Troncoso, Enrique ; Hyde, Kris ; Romeo, Jesús Simón ; Diderich, Michael
in: International Journal of Hydrogen Energy, vol: 44, issue: 19, pages: 9517-9528

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.ijhydene.2018.08.015

New Methodology of Studying H2S Poisoning Effects on SOFC’s Fueled by Carbon Containing Fuels like Biogas

Langnickel, H. ; Hagen, A.
in: ECS Transactions, vol: 91, issue: 1, pages: 511-521
Presented at: 16th International Symposium on Solid Oxide Fuel Cells

Type: Conference article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/09101.0511ecst

Novel Synthesis Routes of Platinum Rare Earth Metal Alloy Nanoparticles as Catalysts for Hydrogen Fuel Cells

Brandes, Benedikt Axel

Type: Ph.D. thesis

Status: Published | Year: 2019

Operation of solid oxide fuel cells with alternative hydrogen carriers

Hagen, Anke ; Langnickel, Hendrik ; Sun, Xiufu
in: International Journal of Hydrogen Energy, vol: 44, issue: 33, pages: 18382-18392

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.ijhydene.2019.05.065

Optimization and Durability of Reversible Solid Oxide Cells

Sun, X. ; Sudireddy, B. R. ; Tong, X. ; Chen, M. ; Brodersen, K. ; Hauch, A.
in: ECS Transactions, vol: 91, issue: 1, pages: 2631-2639
Presented at: 16th International Symposium on Solid Oxide Fuel Cells

Type: Conference article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/09101.2631ecst

Poly(vinyl benzyl methylpyrrolidinium) hydroxide derived anion exchange membranes for water electrolysis

Li, Huanhuan ; Kraglund, Mikkel Rykær ; Reumert, Alexander Kappel ; Ren, Xiaorui ; Aili, David ; Yang, Jingshuai
in: Journal of Materials Chemistry A, vol: 7, issue: 30, pages: 17914-17922

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1039/c9ta04868e

Power-to-methane via co-electrolysis of H₂O and CO₂: The effects of pressurized operation and internal methanation

Wang, Ligang ; Rao, Megha ; Diethelm, Stefan ; Lin, Tzu-En ; Zhang, Hanfei ; Hagen, Anke ; Maréchal, François ; Van herle, Jan
in: Applied Energy, vol: 250, pages: 1432-1445

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.apenergy.2019.05.098

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.
in: Journal of Energy Storage, vol: 22, pages: 106-115

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.est.2019.02.003

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.
in: Clean Energy, vol: 3, issue: 3, pages: 175-201

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1093/ce/zkz023

Simulation of a SOFC/Battery powered vehicle

Bessékon, Yannick ; Zielke, Philipp ; Wulff, Anders Christian ; Hagen, Anke
in: International Journal of Hydrogen Energy, vol: 44, issue: 3, pages: 1905-1918

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.ijhydene.2018.11.126

Solid Oxide Development Status at DTU Energy

Hagen, A. ; Frandsen, H. L.
in: ECS Transactions, vol: 91, issue: 1, pages: 235-245
Presented at: 16th International Symposium on Solid Oxide Fuel Cells

Type: Conference article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1149/09101.0235ecst

Status on Demonstration of Fuel Cell Based Micro-CHP Units in Europe

R. Nielsen, E. ; Prag, C. B. ; Bachmann, T. M. ; Carnicell, F. ; Boyd, E. ; Walke, I. ; Ruf, L. ; Stephens, A.
in: Fuel Cells, vol: 19, issue: 4, pages: 340-345
Presented at: 13th EUROPEAN SOFC & SOE FORUM

Type: Conference article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1002/fuce.201800189

Thermally crosslinked sulfonated polybenzimidazole membranes and their performance in high temperature polymer electrolyte fuel cells

Nambi Krishnan, N. ; Konovalova, Anastasiia ; Aili, David ; Li, Qingfeng ; Park, Hyun Seo ; Jang, Jong Hyun ; Kim, Hyoung-Juhn ; Henkensmeier, Dirk
in: Journal of Membrane Science, vol: 588

Type: Journal article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1016/j.memsci.2019.117218

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

Rao, M. ; Jensen, S. H. ; Sun, X. ; Hagen, A.
in: Fuel Cells, vol: 19, issue: 4, pages: 445-457
Presented at: 13th EUROPEAN SOFC & SOE FORUM

Type: Conference article (Peer reviewed)

Status: Published | Year: 2019 | DOI: https://doi.org/10.1002/fuce.201800166

Complementary analyses of aging in a commercial LiFePO₄/graphite 26650 cell

Scipioni, Roberto ; Jørgensen, Peter S. ; Stroe, Daniel I. ; Younesi, Reza ; Simonsen, Søren B. ; Norby, Poul ; Hjelm, Johan ; Jensen, Søren H.
in: Electrochimica Acta, vol: 284, pages: 454-468

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.electacta.2018.07.124

Acid Distribution and Durability of HT-PEM Fuel Cells with Different Electrode Supports

Kannan, A. ; Li, Q. ; Cleemann, L. N. ; Jensen, J. O.
in: Fuel Cells, vol: 18, issue: 2, pages: 103-112

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1002/fuce.201700181

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

Rao, Megha ; Sun, Xiufu ; Hagen, Anke
in: Journal of the Electrochemical Society, vol: 165, issue: 10, pages: F748-F755

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1149/2.0151810jes

Anode fuel recirculation on solid oxide fuel cells (SOFCs) fueled with landfill gas

Langnickel, Hendrik ; Reschiotto, Daniele ; Graves, Christopher ; Hagen, Anke
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

A novel catalyst layer structure based surface-patterned Nafion® membrane for high-performance direct methanol fuel cell

Chen, Ming ; Wang, Meng ; Ding, Xianan ; Li, Qingfeng ; Wang, Xindong
in: Electrochimica Acta, vol: 263, pages: 201-208

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.electacta.2018.01.015

Blend membranes of polybenzimidazole and an anion exchange ionomer (FAA3) for alkaline water electrolysis: Improved alkaline stability and conductivity

Konovalova, Anastasiia ; Kim, Hyemi ; Kim, Sangwon ; Lim, Ahyoun ; Park, Hyun Seo ; Kraglund, Mikkel Rykær ; Aili, David ; Jang, Jong Hyun ; Kim, Hyoung-Juhn ; Henkensmeier, Dirk
in: Journal of Membrane Science, vol: 564, pages: 653-662

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.memsci.2018.07.074

Capabilities of fuel cell micro-CHPs in a smart grid perspective

Prag, Carsten Brorson ; Hallinder, Jonathan ; Ravn Nielsen, Eva

Type: Report

Status: Published | Year: 2018

Carbon Deposition Diagnostics for Reliability and State-of-Health Assessment of SOFC

Ploner, A. ; Hagen, A. ; Hauch, A.
in: E C S Transactions, vol: 85, issue: 4, pages: 25-32

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1149/08504.0025ecst

Carbon Deposition Diagnostics for Reliability and State-of-Health Assessment of SOFC

Ploner, Alexandra ; Hagen, Anke ; Hauch, Anne
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2018-01
Presented at: 233rd ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published | Year: 2018

Catalyst Degradation Under Potential Cycling as an Accelerated Stress Test for PBI-Based High-Temperature PEM Fuel Cells - Effect of Humidification

Søndergaard, Tonny ; Cleemann, Lars Nilausen ; Zhong, Lijie ; Becker, Hans ; Steenberg, Thomas ; Hjuler, Hans Aage ; Seerup, Larisa ; Li, Qingfeng ; Jensen, Jens Oluf
in: Electrocatalysis, vol: 9, issue: 3, pages: 302-313

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1007/s12678-017-0427-1

Catalyst evaluation for oxygen reduction reaction in concentrated phosphoric acid at elevated temperatures

Hu, Yang ; Jiang, Yiliang ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng
in: Journal of Power Sources, vol: 375, pages: 77-81

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.jpowsour.2017.11.054

Classical statistical methodology for accelerated testing of Solid Oxide Fuel Cells

Ploner, Alexandra ; Hagen, Anke ; Hauch, Anne
in: Journal of Power Sources, vol: 395, pages: 379-385

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.jpowsour.2018.05.034

Determination of Anion Transference Number and Phosphoric Acid Diffusion Coefficient in High Temperature Polymer Electrolyte Membranes

Becker, Hans ; Reimer, Uwe ; Aili, David ; Cleemann, Lars N. ; Jensen, Jens Oluf ; Lehnert, Werner ; Li, Qingfeng
in: Journal of the Electrochemical Society, vol: 165, issue: 10, pages: F863-F869

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1149/2.1201810jes

Diffusion rates of reactants and components in solid oxide cells

Jensen, Søren Højgaard ; Hauch, Anne ; Sun, Xiufu ; Chen, Ming ; Ebbesen, Sune Dalgaard ; Mogensen, Mogens Bjerg
part of: Proceedings of the 13th European SOFC & SOE Forum 2018, pages: 71-82, 2018, European Fuel Cell Forum AG
Presented at: 13th EUROPEAN SOFC & SOE FORUM

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2018

Durability of SOECs with modified electrodes

Rao, Megha ; Sun, Xiufu ; Hagen, Anke
part of: Proceedings of the 13th European SOFC & SOE Forum 2018, pages: 149, 2018
Presented at: 13th EUROPEAN SOFC & SOE FORUM

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2018

Efficient long-term storage of renewable energy as synthetic natural gas

Hagen, Anke
in: European Energy Innovation, pages: 60

Type: Journal article

Status: Published | Year: 2018

Electrochemical Characterization of a PEMEC Using Impedance Spectroscopy (vol 164, F1419, 2017)

Elsøe, Katrine ; Grahl-Madsen, L. ; Scherer, G. G. ; Hjelm, Johan ; Mogensen, Mogens Bjerg
in: Journal of the Electrochemical Society, vol: 165, issue: 10, pages: X9-X9

Type: Comment/debate

Status: Published | Year: 2018 | DOI: https://doi.org/10.1149/2.0501810jes

Electrochemical impedance of an alkaline organic flow battery

Hoffmeyer, Doris ; Hjelm, Johan
part of: Book of Conference Papers of the International Flow Battery Forum (IFBF 2018), 2018
Presented at: International Flow Battery Forum (IFBF 2018)

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2018

Electrochemical impedance spectroscopy of SOFC and SOEC stacks

Lang, Michael ; Bohn, Corinna ; Lemcke, Michelle Sophie ; Pysik, Matthias ; Fu, Qingxi ; Sun, Xiufu
part of: Proceedings of the 13th European SOFC & SOE Forum 2018, pages: 132, 2018
Presented at: 13th EUROPEAN SOFC & SOE FORUM

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2018

Electrochemical probing into the active sites of graphitic-layer encapsulated iron oxygen reduction reaction electrocatalysts

Zhong, Lijie ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Pan, Chao ; Li, Qingfeng
in: Science Bulletin, vol: 63, issue: 1, pages: 24-30

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.scib.2017.11.017

Environmental Impact Study of BIG HIT

Zhao, Guangling ; Ravn Nielsen, Eva

Type: Report

Status: Published | Year: 2018

Fuel Cell Electrolytes of Polybenzimidazole Membranes Cross-linked with Bis(chloromethyl) Arenes

Kirkebæk, A. ; Aili, D. ; Yue, B. ; Vassiliev, A. ; Cleemann, L. N. ; Jensen, J. O. ; Li, Q.
in: Fuel Cells, vol: 18, issue: 6, pages: 688-697

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1002/fuce.201800090

Galvanostatic and potentiostatic operation of real landfill gas fueled SOFCs

Langnickel, Hendrik ; Graves, Christopher ; Hagen, Anke
part of: Proceedings of the 13th European SOFC & SOE Forum 2018, pages: 45, 2018
Presented at: 13th EUROPEAN SOFC & SOE FORUM

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2018

High CO tolerance of new SiO2 doped phosphoric acid/polybenzimidazole polymer electrolyte membrane fuel cells at high temperatures of 200–250 °C

Cheng, Yi ; Zhang, Jin ; Lu, Shanfu ; Kuang, Haohua ; Bradley, John ; De Marco, Roland ; Aili, David ; Li, Qingfeng ; Cui, Cheng Qiang ; Jiang, San Ping
in: International Journal of Hydrogen Energy, vol: 43, issue: 49, pages: 22487-22499

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.ijhydene.2018.10.036

Immunity of the Fe-N-C catalysts to electrolyte adsorption: phosphate but not perchloric anions

Hu, Yang ; Jensen, Jens Oluf ; Pan, Chao ; Cleemann, Lars Nilausen ; Shypunov, Illia ; Li, Qingfeng
in: Applied Catalysis B: Environmental, vol: 234, pages: 357-364

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.apcatb.2018.03.056

Long-Term Durability of PBI-Based HT-PEM Fuel Cells: Effect of Operating Parameters

Søndergaard, Tonny ; Cleemann, Lars Nilausen ; Becker, Hans ; Steenberg, Thomas ; Hjuler, Hans Aage ; Seerup, Larisa ; Li, Qingfeng ; Jensen, Jens Oluf
in: Journal of the Electrochemical Society, vol: 165, issue: 6, pages: F3053-F3062

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1149/2.0081806jes

Noise Phenomena in Electrochemical Impedance Spectroscopy of Polymer Electrolyte Membrane Electrolysis Cells

Elsøe, K. ; Kraglund, M. R. ; Grahl-Madsen, L. ; Scherer, G. G. ; Hjelm, J. ; Jensen, S. H. ; Jacobsen, T. ; Mogensen, M. B.
in: Fuel Cells, vol: 18, issue: 5, pages: 640-648
Presented at: 6th European PEFC and Electrolyzer Forum

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1002/fuce.201800005

Non-economic barriers to large-scale market uptake of fuel cell based micro-CHP technology

Prag, Carsten Brorson ; Ravn Nielsen, Eva

Type: Report

Status: Published | Year: 2018

Protein adsorption and hydration structure of fluorine-containing synthetic polymers

Koguchi, Ryohei ; Jankova, Katja ; Yamamoto, Kyoko ; Tanaka, Masaru
part of: Proceedings of the 12th SPSJ International Polymer Conference (IPC2018), pages: 480, 2018
Presented at: 12th SPSJ International Polymer Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2018

Protein adsorption and hydration structure of fluorine-containing synthetic polymers

Koguchi, Ryohei ; Jankova, Katja ; Tanaka, Masaru
Presented at: 2018 E-MRS Fall Meeting and Exhibit

Type: Conference abstract for conference (Peer reviewed)

Status: Published | Year: 2018

Protein adsorption and hydration structure of fluorine-containing synthetic polymers

Koguchi, Ryohei ; Jankova, Katja ; Yamamoto, Kyoko ; Tanaka, Masaru
Presented at: 40th Annual Meeting of the Japanese Society for Biomaterials (2018)

Type: Conference abstract for conference (Peer reviewed)

Status: Published | Year: 2018

Reactivating the Ni-YSZ electrode in solid oxide cells and stacks by infiltration

Skafte, Theis Løye ; Hjelm, Johan ; Blennow Tullmar, Peter ; Graves, Christopher R.
in: Journal of Power Sources, vol: 378, pages: 685-690

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.jpowsour.2018.01.021

Social Impact Assessment of BIG HIT

Zhao, Guangling ; Ravn Nielsen, Eva

Type: Report

Status: Published | Year: 2018

Solid Poly(2-methoxyethyl acrylate) with Changed Viscosity, Hydration Structure and Protein Adsorption

Jankova, Katja ; Kobayashi, Shingo ; Murakami, Daiki ; Tanaka, Masaru
part of: Proceedings of the 12th SPSJ International Polymer Conference (IPC2018), pages: 178, 2018
Presented at: 12th SPSJ International Polymer Conference

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published | Year: 2018

⁵⁷Fe-Mössbauer spectroscopy and electrochemical activities of graphitic layer encapsulated iron electrocatalysts for the oxygen reduction reaction

Zhong, Lijie ; Frandsen, Cathrine ; Mørup, Steen ; Hu, Yang ; Pan, Chao ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Li, Qingfeng
in: Applied Catalysis B: Environmental, vol: 221, pages: 406-412

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1016/j.apcatb.2017.09.014

Synthesis and stability of strongly acidic benzamide derivatives

Diness, Frederik ; Bjerrum, Niels J. ; Begtrup, Mikael ; O'Hagan, David (Editor)
in: Beilstein Journal of Organic Chemistry, vol: 14, pages: 523-530

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.3762/bjoc.14.38

The quest for simple and scalable routes to synthesizing nanoalloy catalysts

Hu, Yang ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Brandes, Benedikt Axel ; Li, Qingfeng
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

Vapor pressure and specific electrical conductivity in the solid and molten H₂O-CsH₂PO₄-CsPO₃ system—a novel electrolyte for water electrolysis at ~ 225–400 °C

Nikiforov, Aleksey Valerievich ; Berg, Rolf W. ; Bjerrum, Niels J.
in: Ionics, vol: 24, issue: 9, pages: 2761-2782

Type: Journal article (Peer reviewed)

Status: Published | Year: 2018 | DOI: https://doi.org/10.1007/s11581-017-2420-3

Durable fuel electrode

Brodersen, Karen ; Hauch, Anne ; Chen, Ming ; Hjelm, Johan
Patent no.: WO2017029350, Date: 2017-02-23

Type: Patent

Status: Published | Year: 2017

Acid-base chemistry and proton conductivity of CsHSO₄, CsH₂PO₄ and their mixtures with N-heterocycles

Aili, David ; Gao, Ying ; Han, Junyoung ; Li, Qingfeng
in: Solid State Ionics, vol: 306, pages: 13-19

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.ssi.2017.03.012

A Decade of Solid Oxide Electrolysis Improvements at DTU Energy

Hauch, Anne ; Brodersen, Karen ; Chen, Ming ; Graves, Christopher R. ; Jensen, Søren Højgaard ; Jørgensen, Peter Stanley ; Hendriksen, Peter Vang ; Mogensen, Mogens Bjerg ; Ovtar, Simona ; Sun, Xiufu
in: ECS Transactions, vol: 75, issue: 42, pages: 3-14
Presented at: PRiME 2016/230th ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1149/07542.0003ecst

A Durability Study of High-temperature PEMFC. Effects of Operating Parameters and Thermal Curing

Jensen, Jens Oluf ; Søndergaard, Tonny ; Aili, David ; Steenberg, Thomas ; Hjuler, Hans Aage ; Becker, Hans ; Zhong, Lijie ; Li, Qingfeng
Presented at: 5th International CARISMA Conference (2017)

Type: Conference abstract for conference

Status: Published | Year: 2017

Alkaline membrane water electrolysis with non-noble catalysts

Kraglund, Mikkel Rykær

Type: Ph.D. thesis

Status: Published | Year: 2017

An effective low Pd-loading catalyst for hydrogen generation from formic acid

Huang, Yunjie ; Xu, Junlei ; Ma, Xin ; Huang, Yuqing ; Li, Qingfeng ; Qiu, Haiou
in: International Journal of Hydrogen Energy, vol: 42, issue: 29, pages: 18375-18382

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.ijhydene.2017.04.138

A Physically-Based Equivalent Circuit Model for the Impedance of a LiFePO₄/Graphite 26650 Cylindrical Cell

Scipioni, Roberto ; Jørgensen, Peter Stanley ; Graves, Christopher R. ; Hjelm, Johan ; Jensen, Søren Højgaard
in: Journal of The Electrochemical Society, vol: 164, issue: 9, pages: A2017-A2030

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1149/2.1071709jes

Bismuth phosphates as intermediate temperature proton conductors

Huang, Yunjie ; Christensen, Erik ; Shuai, Qin ; Li, Qingfeng
in: International Journal of Hydrogen Energy, vol: 42, issue: 10, pages: 7235-7240

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.ijhydene.2016.04.159

Business Model and Replication Study of BIG HIT

Zhao, Guangling ; Ravn Nielsen, Eva

Type: Report

Status: Published | Year: 2017

Carbon deposition and sulfur poisoning during CO₂ electrolysis in nickel-based solid oxide cell electrodes

Skafte, Theis Løye ; Blennow, Peter ; Hjelm, Johan ; Graves, Christopher R.
in: Journal of Power Sources, vol: 373, pages: 54-60

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.jpowsour.2017.10.097

Challenges and Possibilities of EIS on PEMEC

Elsøe, Katrine ; Kraglund, Mikkel Rykær ; Hjelm, Johan ; Jacobsen, Torben ; Grahl-Madsen, Laila ; Mogensen, Mogens Bjerg
part of: Procedings of the 6th European PEFC and Electrolyser Forum 2017, 2017, European Fuel Cell Forum
Presented at: 6th European PEFC and Electrolyser Forum 2017

Type: Article in proceedings (Peer reviewed)

Status: Published | Year: 2017

Chemical and Electrochemical Properties of La_0.58Sr_0.4Fe_0.8Co_0.2O_3-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 La_0.58Sr_0.4Fe_0.8Co_0.2O_3-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

Coarsening of carbon black supported Pt nanoparticles in hydrogen

Simonsen, Søren Bredmose ; Wang, Yan ; Jensen, Jens Oluf ; Zhang, Wenjing (Angela)
in: Nanotechnology, vol: 28, issue: 47

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1088/1361-6528/aa91a8

Components and materials for electrochemical energy conversion (KDFuelCell)

Jensen, Jens Oluf ; Kirkebæk, Andreas ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Jensen, Kim Degn ; Stephens, Ifan ; Chorkendorff, Ib ; Hjuler, Hans Aage ; Steenberg, Thomas ; Juul Larsen, Mikkel ; Helgesen, Geir ; Henkensmeier, Dirk ; Han, HakSoo ; Park, JinSoo
Presented at: Electrochemical Science and Technology Conference 2017

Type: Conference abstract for conference

Status: Published | Year: 2017

Concentration Impedance in Testing of Solid Oxide Cells Revisited

Mogensen, Mogens Bjerg ; Ebbesen, Sune Dalgaard ; Jensen, Søren Højgaard ; Sun, Xiufu ; Hauch, Anne ; Chen, Ming
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

Concentration Impedance in Testing of Solid Oxide Cells Revisited

Mogensen, Mogens Bjerg ; Ebbesen, Sune Dalgaard ; Jensen, Søren Højgaard ; Sun, Xiufu ; Hauch, Anne ; Chen, Ming
in: E C S Transactions, vol: 78, issue: 1, pages: 2133-2139

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1149/07801.2133ecst

Coupling between creep and redox behavior in nickel - yttria stabilized zirconia observed in-situ by monochromatic neutron imaging

Makowska, Malgorzata Grazyna ; Kuhn, Luise Theil ; Frandsen, Henrik Lund ; Lauridsen, Erik Mejdal ; De Angelis, Salvatore ; Cleemann, Lars Nilausen ; Morgano, Manuel ; Trtik, Pavel ; Strobl, Markus
in: Journal of Power Sources, vol: 340, pages: 167-175

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.jpowsour.2016.11.059

Decisive Intermediates Responsible for the Carbonaceous Products of CO₂ Electro-reduction on Nitrogen-Doped sp² Nanocarbon Catalysts in NaHCO₃ Aqueous Electrolyte

Xu, Junyuan ; Zhang, Bingsen ; Wang, Bolun ; Wu, KuangHsu ; Peng, Zhangquan ; Li, Qingfeng ; Centi, Gabriele ; Su, Dang Sheng
in: ChemElectroChem, vol: 4, issue: 6, pages: 1274-1278

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1002/celc.201700104

Determination of the bonding strength in solid oxide fuel cells' interfaces by Schwickerath crack initiation test

Boccaccini, D. N. ; Sevecek, O. ; Frandsen, Henrik Lund ; Dlouhy, I. ; Molin, Sebastian ; Charlas, Benoit ; Hjelm, Johan ; Cannio, M. ; Hendriksen, Peter Vang
in: Journal of the European Ceramic Society, vol: 37, issue: 11, pages: 3565-3578

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.jeurceramsoc.2017.04.018

Development of Hybrid Vehicle for ground service handling operations

Nikiforov, A. V. ; La Seta, A. ; Rokni, M. ; Bjerrum, N. J.
Presented at: 15th International Conference on Environmental Science and Technology

Type: Paper (Peer reviewed)

Status: Published | Year: 2017

Durability Studies of High Temperature PEM Fuel Cells. Operational Parameters, Accelerated Testing and Acid Retention

Jensen, Jens Oluf ; Søndergaard, Tonny ; Cleemann, Lars Nilausen ; Steenberg, Thomas ; Hjuler, Hans Aage ; Li, Qingfeng
Presented at: 6th European PEFC and Electrolyzer Forum

Type: Conference abstract for conference

Status: Published | Year: 2017

Electrochemical Characterization of a PEMEC Using Impedance Spectroscopy

Elsøe, Katrine ; Grahl-Madsen, L. ; Hjelm, Johan ; Scherer, G.G. ; Mogensen, Mogens Bjerg
in: Journal of The Electrochemical Society, vol: 164, issue: 13, pages: F1419-F1426

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1149/2.0651713jes

Encapsulated iron-based oxygen reduction electrocatalysts by high pressure pyrolysis

Zhong, Lijie ; Hu, Yang ; Cleemann, Lars Nilausen ; Pan, Chao ; Svaerke, Jakob ; Jensen, Jens Oluf ; Li, Qingfeng
in: International Journal of Hydrogen Energy, vol: 42, issue: 36, pages: 22887-22896

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.ijhydene.2017.07.093

Gel Electrolytes of Covalent Network Polybenzimidazole and Phosphoric Acid by Direct Casting

Kirkebæk, Andreas ; Aili, David ; Henkensmeier, Dirk ; Jensen, Jens Oluf ; Li, Qingfeng
in: Macromolecular Materials and Engineering, vol: 302, issue: 12

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1002/mame.201700347

Influence of carbon monoxide on the cathode in high-temperature polymer electrolyte membrane fuel cells

Søndergaard, Stine ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: International Journal of Hydrogen Energy, vol: 42, issue: 5, pages: 3309-3315

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1016/j.ijhydene.2017.01.092

Initiative Towards Non-Precious Metal Polymer Fuel Cells (NonPrecious)

Jensen, Jens Oluf ; Shypunov, Illia ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Hansen, Heine Anton ; Vegge, Tejs ; Holst-Olesen, Kaspar ; Zana, Alessandro ; Arenz, Matthias ; Hjuler, Hans Aage ; Steenberg, Thomas ; Juul Larsen, Mikkel ; Sun, Shuhui ; Dodelet, Jean-Pol ; Shen, Peikang
Presented at: Electrochemical Science and Technology Conference 2017

Type: Conference abstract for conference

Status: Published | Year: 2017

In Situ Formed Phosphoric Acid/Phosphosilicate Nanoclusters in the Exceptional Enhancement of Durability of Polybenzimidazole Membrane Fuel Cells at Elevated High Temperatures

Zhang, Jin ; Aili, David ; Bradley, John ; Kuang, Haohua ; Pan, Chao ; De Marco, Roland ; Li, Qingfeng ; Jiang, San Ping
in: Journal of the Electrochemical Society, vol: 164, issue: 14, pages: F1615-F1625

Type: Journal article (Peer reviewed)

Status: Published | Year: 2017 | DOI: https://doi.org/10.1149/2.1051714jes

In situ TEM study of the coarsening of carbon black supported Pt nanoparticles in hydrogen

Simonsen, Søren Bredmose ; Wang, Yan ; Jensen, Jens Oluf ; Zhang, Wenjing (Angela)
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2017-02
Presented at: 232nd ECS meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published | Year: 2017