Jens Oluf Jensen

Jens Oluf Jensen

Professor

DTU ENERGY
Department of Energy Conversion and Storage

Technical University of Denmark

Fysikvej

Building 310, room 342

2800 Kgs. Lyngby

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2019
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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

 

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

 

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

 

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

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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

2018
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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

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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

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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

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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

 

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

 

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

 

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

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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

 

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

2017
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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

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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

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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

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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

 

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

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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

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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

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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

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Life cycle assessment of hydrogen production from water electrolysis

Zhao, Guangling ; Pedersen, Allan Schrøder ; Jensen, Søren Højgaard ; Graves, Christopher R. ; Chen, Ming ; Jensen, Jens Oluf ; Ravn Nielsen, Eva
part of: Book of Abstracts, Sustain 2017, 2017, Technical University of Denmark
Presented at:
Sustain 2017

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2017

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Long-term durability of HT-PEM fuel cells based on thermally crosslinked polybenzimidazole

Søndergaard, Tonny ; Cleemann, Lars Nilausen ; Becker, Hans ; Aili, David ; Steenberg, Thomas ; Hjuler, Hans Aage ; Seerup, Larisa ; Li, Qingfeng ; Jensen, Jens Oluf
in: Journal of Power Sources, vol: 342, pages: 570-578

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.jpowsour.2016.12.075

 

Molecular dynamics simulation of radiation grafted FEP films as proton exchange membranes: Effects of the side chain length

Li, Xue ; Zhao, Yang ; Li, Weiwei ; Wang, Shubo ; Liu, Xuegang ; Xie, Xiaofeng ; Chen, Jing ; Li, Qingfeng ; Jensen, Jens Oluf
in: International Journal of Hydrogen Energy, vol: 42, issue: 50, pages: 29977-29987

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.ijhydene.2017.09.043

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Probing phosphoric acid redistribution and anion migration in polybenzimidazole membranes

Becker, Hans ; Cleemann, Lars Nilausen ; Aili, David ; Jensen, Jens Oluf ; Li, Qingfeng
in: Electrochemistry Communications, vol: 82, pages: 21-24

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.elecom.2017.07.005

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Towards a stable ion-solvating polymer electrolyte for advanced alkaline water electrolysis

Aili, David ; Wright, Andrew G. ; Kraglund, Mikkel Rykær ; Jankova Atanasova, Katja ; Holdcroft, Steven ; Jensen, Jens Oluf
in: Journal of Materials Chemistry A, vol: 5, issue: 10, pages: 5055-5066

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1039/c6ta10680c

2016
 

Acid–Base Chemistry and Proton Conductivity

Li, Qingfeng ; Aili, David ; Savinell, Robert F. ; Jensen, Jens Oluf
part of: High Temperature Polymer Electrolyte Membrane Fuel Cells, pages: 37-57, 2016, Springer, Switzerland

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1007/978-3-319-17082-4_3

 

Advanced Materials for High-Temperature PEM Fuel Cells

Hjuler, Hans Aage ; Kerr, Robert ; Steenberg, Thomas ; Terkelsen, Carina ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
3rd International Conference on Advanced Electromaterials (ICAE 2015)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Advanced materials for polymer electrolyte membrane fuel cells

Aili, David ; Jensen, Jens Oluf ; Li, Qingfeng
part of: Electrochemical Energy: Advanced Materials and Technologies, pages: 363-383, 2016, CRC Press, Boca Raton

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2016

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Amino-Functional Polybenzimidazole Blends with Enhanced Phosphoric Acid Mediated Proton Conductivity as Fuel Cell Electrolytes

Aili, David ; Javakhishvili, Irakli ; Han, Junyoung ; Jankova Atanasova, Katja ; Pan, Chao ; Hvilsted, Søren ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; Li, Qingfeng
in: Macromolecular Chemistry and Physics, vol: 217, issue: 10, pages: 1161-1168

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1002/macp.201600059

 

A platinum-free oxygen reduction catalyst by a one-step pyrolysis process

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Pan, Chao ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
21st World Hydrogen Energy Conference 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Approaches to a platinum free oxygen reduction catalyst for PEM fuel cells

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Pan, Chao ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
16th International Symposium on Biomimetic Materials Processing

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Can We Replace Platinum Metals in PEM Fuel Cells and Electrolyzers?

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Pan, Chao ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
Hydrides as Energy Materials

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Challenges in Membrane Electrode Assembly Technologies

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
2nd APT-STEP Workshop on Novel Material Technologies for Alternative Powertrains

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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Comparative study of PBI Cross Linked Utilizing Agents of Varying Steric Configurations

Kirkebcek, Andreas ; Aili, David ; Li, Qingfeng ; Jensen, Jens Oluf
part of: ISPE-XV, Uppsala 15-19th August 2016, pages: 124-124, 2016
Presented at:
15th International Symposium on Polymer Electrolytes

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2016

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Comparative Study of the Effect of Various Cross Linkers upon Membrane Properties

Kirkebæk, Andreas ; Aili, David ; Li, Qingfeng ; Jensen, Jens Oluf
Presented at:
Workshop on Ion Exchange Membranes for Energy Applications

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2016

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Corrosion behavior of construction materials for ionic liquid hydrogen compressor

Arjomand Kermani, Nasrin ; Petrushina, Irina ; Nikiforov, Aleksey Valerievich ; Jensen, Jens Oluf ; Rokni, Masoud
in: International Journal of Hydrogen Energy, vol: 41, issue: 38, pages: 16688-16695

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.ijhydene.2016.06.221

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Durability Issues and Status of HT-PEM Based on Acid Doped Polybenzimidazoles

Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Jakobsen, M. T. D.
Presented at:
Hydrogen Day 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Durability Issues and Status of PBI-Based Fuel Cells

Jakobsen, Mark Tonny Dalsgaard ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng
part of: High Temperature Polymer Electrolyte Membrane Fuel Cells, pages: 487-509, 2015, Springer, Switzerland

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1007/978-3-319-17082-4_22

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Exceptional durability enhancement of PA/PBI based polymer electrolyte membrane fuel cells for high temperature operation at 200°C

Aili, David ; Zhang, Jin ; Jakobsen, Mark Tonny Dalsgaard ; Zhu, Haijin ; Yang, Tianyu ; Liu, Jian ; Forsyth, Maria ; Pan, Chao ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Jiang, San Ping ; Li, Qingfeng
in: Journal of Materials Chemistry A, vol: 4, issue: 11, pages: 4019-4024

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1039/c6ta01562j

 

Fuel Cells and Electrolyzers. Recent Progress at DTU Energy and the Role in a Sustainable Society

Jensen, Jens Oluf ; Hu, Yang ; Aili, David ; Zhong, Lijie ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
International Symposium in Shiinoki Cultural Complex

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Graphene layer encapsulated metal nanoparticles as a new type of non-precious metal catalysts for oxygen reduction

Hu, Yang ; Zhong, Lijie ; Jensen, Jens Oluf ; Li, Qingfeng
in: Asia-Pacific Journal of Chemical Engineering, vol: 11, issue: 3, pages: 382-385

Type: Review (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1002/apj.1986

 

High temperature polymer electrolyte membrane fuel cells: Approaches, status, and perspectives

Li, Qingfeng ; Aili, David ; Hjuler, Hans Aage (Editor) ; Jensen, Jens Oluf

Type: Book (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1007/978-3-319-17082-4

 

Hydrogen Sulfide Tolerance in High Temperature Pemfcs

Vassiliev, Anton ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Jensen, Jens Oluf
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

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Intermediate Temperature Proton Conductors – Why and How

Li, Qingfeng ; Aili, David ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen
Presented at:
International Workshop on Ethanol Electro-Oxidation

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Introduction

Jensen, Jens Oluf ; Hjuler, Hans Aage ; Aili, David ; Li, Qingfeng
part of: High Temperature Polymer Electrolyte Membrane Fuel Cells, pages: 1-4, 2016, Springer, Switzerland

Type: Book chapter

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1007/978-3-319-17082-4_1

 

Non-Platinum Oxygen Reduction Catalysts. From Crystalline to Molecular Moieties

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Pan, Chao ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
4th International Workshop on Solution Plasma and Molecular Technology (SPM-4)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Optimization of Catalyst Layer Properties for High Temperature Polymer Fuel Cells

Steenberg, Thomas ; Hjuler, Hans Aage ; Jensen, Jens Oluf ; Li, Qingfeng
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA 2016-02
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2016

 

Platinum Iron Intermetallic Nanoparticles Supported on Carbon Formed In Situ by High-Pressure Pyrolysis for Efficient Oxygen Reduction

Hu, Yang ; Jensen, Jens Oluf ; Zhang, Wei ; Cleemann, Lars Nilausen ; Pan, Chao ; Li, Qingfeng
in: ChemCatChem, vol: 8, issue: 19, pages: 3131-3136

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1002/cctc.201600748

 

Polybenzimidazole Membranes by Post Acid Doping

Aili, David ; Jensen, Jens Oluf ; Li, Qingfeng
part of: High Temperature Polymer Electrolyte Membrane Fuel Cells, pages: 195-215, 2016, Springer, Switzerland

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1007/978-3-319-17082-4_9

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Polybenzimidazole membranes for zero gap alkaline electrolysis cells

Kraglund, Mikkel Rykær ; Aili, David ; Christensen, Erik ; Jensen, Jens Oluf
Presented at:
The 21st World Hydrogen Energy Conference (WHEC)

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2016

 

Probing the active site structures of iron-based ORR catalysts

Hu, Yang ; Li, Qingfeng ; Jensen, Jens Oluf ; Zhong, Lijie ; Cleemann, Lars Nilausen
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

 

Systematic Study of Durability of High Temperature PEM Fuel Cells at Selected Temperatures, Flow Rates and Loads

Jensen, Jens Oluf ; Jakobsen, Mark Tonny Dalsgaard ; Cleemann, Lars Nilausen ; Steenberg, T. ; Hjuler, Hans Aage ; Li, Qingfeng
Presented at:
PRiME 2016/230th ECS Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

 

Ternary alkaline polybenzimidazole electrolytes

Aili, David ; Kraglund, Mikkel Rykær ; Jensen, Jens Oluf
Presented at:
21st World Hydrogen Energy Conference 2016

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2016

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Understanding ternary poly(potassium benzimidazolide)-based polymer electrolytes

Aili, David ; Jankova Atanasova, Katja ; Han, Junyoung ; Bjerrum, Niels J. ; Jensen, Jens Oluf ; Li, Qingfeng
in: Polymer, vol: 84, pages: 304-310

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1016/j.polymer.2016.01.011

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Zero-Gap Alkaline Water Electrolysis Using Ion-Solvating Polymer Electrolyte Membranes at Reduced KOH Concentrations

Kraglund, Mikkel Rykær ; Aili, David ; Jankova Atanasova, Katja ; Christensen, Erik ; Li, Qingfeng ; Jensen, Jens Oluf
in: Journal of The Electrochemical Society, vol: 163, issue: 11, pages: F3125-F3131

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: https://doi.org/10.1149/2.0161611jes

2015
 

Acid-base Chemistry and Proton Conductivity of High Temperature Polymer Electrolytes

Li, Qingfeng ; Aili, David ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf
Presented at:
International Conference on Innovative Electrochemical Energy Materials and Technologies 2015

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

 

Carbon Thin-layer Encapsulated Fe-N-C as Active Catalysts for Oxygen Reduction

Zhong, Lijie ; Pan, Chao ; Hu, Yang ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Li, Qingfeng
Presented at:
International Conference on Innovative Electrochemical Energy Materials and Technologies 2015

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

 

CsH2PO4/NdPO4 Composites as Proton Conducting Electrolytes for Intermediate Temperature Fuel Cells

Anfimova, Tatiana ; Jensen, Annemette Hindhede ; Christensen, Erik ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; Li, Qingfeng
in: Journal of The Electrochemical Society, vol: 162, issue: 4, pages: F436-F441

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1149/2.0671504jes

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Development of high temperature PEM fuel cells. Simplification and CO tolerance mapping

Jensen, Jens Oluf ; Fernandez, Santiago Martin ; Vassiliev, Anton ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
PURE Workshop: Neptune's Hydrogen and Fuel cells

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2015

 

Fe3C-based oxygen reduction catalysts: synthesis, hollow spherical structures and applications in fuel cells

Hu, Yang ; Jensen, Jens Oluf ; Zhang, Wei ; Fernandez, Santiago Martin ; Chenitz, Regis ; Pan, Chao ; Xing, Wei ; Bjerrum, Niels J. ; Li, Qingfeng
in: Journal of Materials Chemistry A, vol: 3, pages: 1752-1760

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1039/c4ta03986f

 

Hydrogen Energy by Means of Proton Conductors

Jensen, Jens Oluf
Presented at:
Tiltrædelsesforelæsning

Type: Conference abstract for conference

Status: Published     |    Year: 2015

 

Lowering the platinum loading of high temperature polymer electrolyte membrane fuel cells with acid doped polybenzimidazole membranes

Fernandez, Santiago Martin ; Li, Qingfeng ; Jensen, Jens Oluf
in: Journal of Power Sources, vol: 293, pages: 51-56

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.jpowsour.2015.05.031

 

Methyl phosphate formation as a major degradation mode of direct methanol fuel cells with phosphoric acid based electrolytes

Aili, David ; Vassiliev, Anton ; Jensen, Jens Oluf ; Schmidt, Thomas J. ; Li, Qingfeng
in: Journal of Power Sources, vol: 279, pages: 517-521

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.jpowsour.2015.01.010

 

Non-Noble Oxygen Reduction Catalysts

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Pan, Chao ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
International Conference on Innovative Electrochemical Energy Materials and Technologies 2015

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

 

Non-Noble Oxygen Reduction Catalysts by Means of Encapsulated Iron Carbide

Jensen, Jens Oluf ; Hu, Yang ; Zhong, Lijie ; Pan, Chao ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
3rd Zing Hydrogen and Fuel Cells Conference

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

 

Porous poly(perfluorosulfonic acid) membranes for alkaline water electrolysis

Aili, David ; Hansen, Martin Kalmar ; Andreasen, Jens Wenzel ; Zhang, Jingdong ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; Li, Qingfeng
in: Journal of Membrane Science, vol: 493, pages: 589–598

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.memsci.2015.06.057

 

Pt-Si Bifunctional Surfaces for CO and Methanol Electro-Oxidation

Permyakova, Anastasia A. ; Han, Binghong ; Jensen, Jens Oluf ; Bjerrum, Niels ; Shao-Horn, Yang
in: The Journal of Physical Chemistry Part C, vol: 119, issue: 15, pages: 8023-8031

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1021/acs.jpcc.5b00138

 

Tetrazole substituted polymers for high temperature polymer electrolyte fuel cells

Henkensmeier, Dirk ; My Hanh Duong, Ngoc ; Brela, Mateusz ; Dyduch, Karol ; Michalak, Artur ; Jankova Atanasova, Katja ; Cho, Hyeongrae ; Hyun Jang, Jong ; Kim, Hyoung-Juhn ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Jensen, Jens Oluf
in: Journal of Materials Chemistry A, vol: 3, issue: 27, pages: 14389-14400

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1039/c5ta01936b

 

The effect of hydrogen pressure on the tolerance for co of high temperature PEM fuel cells

Jensen, Jens Oluf ; Fernandez, Santiago Martin ; Vassiliev, Anton ; Cleemann, Lars Nilausen ; Li, Qingfeng
Presented at:
Annual Meeting of the Danish Electrochemical Society 2015

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

 

Theoretical understanding about the interaction between iron carbide and graphitic layers towards oxygen reduction

Hu, Yang ; Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Cleemann, Lars Nilausen ; Zhong, Lijie
Presented at:
Conference on Electrochemical Science and Technology 2015

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2015

 

The stability of poly(2,2′-(m-phenylene)-5,5′-bibenzimidazole) membranes in aqueous potassium hydroxide

Aili, David ; Jankova Atanasova, Katja ; Li, Qingfeng ; Bjerrum, Niels J. ; Jensen, Jens Oluf
in: Journal of Membrane Science, vol: 492, pages: 422-429

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.memsci.2015.06.001

 

Transition metal carbides (WC, Mo2C, TaC, NbC) as potential electrocatalysts for the hydrogen evolution reaction (HER) at medium temperatures

Meyer, Simon ; Nikiforov, Aleksey V. ; Petrushina, Irina M. ; Köhler, Klaus ; Christensen, Erik ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: International Journal of Hydrogen Energy, vol: 40, issue: 7, pages: 2905-2911

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: https://doi.org/10.1016/j.ijhydene.2014.12.076

2014
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A Stability Study of Alkali Doped PBI Membranes for Alkaline Electrolyzer Cells

Jensen, Jens Oluf ; Aili, David ; Hansen, Martin Kalmar ; Li, Qingfeng ; Bjerrum, Niels Janniksen ; Christensen, Erik
in: ECS Transactions, vol: 64, issue: 3, pages: 1175-1184
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/10.1149/06403.1175ecst

 

Bed geometries, fueling strategies and optimization of heat exchanger designs in metal hydride storage systems for automotive applications: A review

Mazzucco, Andrea ; Dornheim, Martin ; Sloth, Michael ; Jensen, Torben René ; Jensen, Jens Oluf ; Rokni, Masoud
in: International Journal of Hydrogen Energy, vol: 39, issue: 30, pages: 17054-17074

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.ijhydene.2014.08.047

 

Binderless electrodes for high-temperature polymer electrolyte membrane fuel cells

Fernandez, Santiago Martin ; Li, Qingfeng ; Steenberg, Thomas ; Jensen, Jens Oluf
in: Journal of Power Sources, vol: 272, pages: 559-566

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.jpowsour.2014.08.112

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Boron-nitrogen based hydrides and reactive composites for hydrogen storage

Jepsen, Lars H. ; Ley, Morten B. ; Lee, Young-Su ; Cho, Young Whan ; Dornheim, Martin ; Jensen, Jens Oluf ; Filinchuk, Yaroslav ; Jørgensen, Jens Erik ; Besenbacher, Flemming ; Jensen, Torben René
in: Materials Today, vol: 17, issue: 3, pages: 129-135

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.mattod.2014.02.015

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Complex hydrides for hydrogen storage - New perspectives

Ley, Morten B. ; Jepsen, Lars H. ; Lee, Young-Su ; Cho, Young Whan ; Bellosta Von Colbe, José M. ; Dornheim, Martin ; Rokni, Masoud ; Jensen, Jens Oluf ; Sloth, Mikael ; Filinchuk, Yaroslav ; Jørgensen, Jens Erik ; Besenbacher, Flemming ; Jensen, Torben R.
in: Materials Today, vol: 17, issue: 3, pages: 122-128

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.mattod.2014.02.013

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Direct Dimethyl Ether High Temperature Fuel Cells

Vassiliev, Anton ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels J.
Presented at:
Emerging Industries Forum 2014

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

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Direct Dimethyl Ether High Temperature PEM Fuel Cells

Vassiliev, Anton ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels J.
Presented at:
Challenges in HT PEFCs Workshop

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2014

 

Direct Synthesis of Fe3C-Functionalized Graphene by High Temperature Autoclave Pyrolysis for Oxygen Reduction

Hu, Yang ; Jensen, Jens Oluf ; Zhang, Wei ; Huang, Yunjie ; Cleemann, Lars Nilausen ; Xing, Wei ; Bjerrum, Niels J. ; Li, Qingfeng
in: ChemSusChem (Print), vol: 7, issue: 8, pages: 2099-2103

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/cssc.201402183

 

Highly active and stable Pt electrocatalysts promoted by antimony-doped SnO2 supports for oxygen reduction reactions

Yin, Min ; Xu, Junyuan ; Li, Qingfeng ; Jensen, Jens Oluf ; Huang, Yunjie ; Cleemann, Lars Nilausen ; Bjerrum, Niels J. ; Xing, Wei
in: Applied Catalysis B: Environmental, vol: 144, pages: 112-120

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.apcatb.2013.07.007

 

High Molecular Weight Polybenzimidazole Membranes for High Temperature PEMFC

Yang, Jingshuai ; Cleemann, Lars Nilausen ; Steenberg, T. ; Terkelsen, C. ; Li, Qingfeng ; Jensen, Jens Oluf ; Hjuler, H. A. ; Bjerrum, Niels J. ; He, R. H.
in: Fuel Cells, vol: 14, issue: 1, pages: 7-15

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/fuce.201300070

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High Surface Area Tungsten Carbides: Synthesis, Characterization and Catalytic Activity towards the Hydrogen Evolution Reaction in Phosphoric Acid at Elevated Temperatures

Tomás García, Antonio Luis ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: International Journal of Electrochemical Science, vol: 9, pages: 1016-1032

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014

 

Hollow Spheres of Iron Carbide Nanoparticles Encased in Graphitic Layers as Oxygen Reduction Catalysts

Hu, Yang ; Jensen, Jens Oluf ; Zhang, Wei ; Cleemann, Lars Nilausen ; Xing, Wei ; Bjerrum, Niels J. ; Li, Qingfeng
in: Angewandte Chemie, vol: 126, issue: 14, pages: 3749-3753

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/ange.201400358

 

Hollow Spheres of Iron Carbide Nanoparticles Encased in Graphitic Layers as Oxygen Reduction Catalysts

Hu, Yang ; Jensen, Jens Oluf ; Zhang, Wei ; Cleemann, Lars Nilausen ; Xing, Wei ; Bjerrum, Niels J. ; Li, Qingfeng
in: Angewandte Chemie International Edition, vol: 53, issue: 14, pages: 3675 –3679

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/anie.201400358

 

Hydrogen evolution activity and electrochemical stability of selected transition metal carbides in concentrated phosphoric acid

Tomás García, Antonio Luis ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; Li, Qingfeng
in: Electrochimica Acta, vol: 137, pages: 639-646

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.electacta.2014.06.087

 

meta-PBI/methylated PBI-OO blend membranes for acid doped HT PEMFC

Cho, Hyeongrae ; Hur, Eun ; Henkensmeier, Dirk ; Jeong, Gisu ; Cho, Eunae ; Kim, Hyoung Juhn ; Jang, Jong Hyun ; Lee, Kwan Young ; Hjuler, Hans Aage ; Li, Qingfeng ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen
in: European Polymer Journal, vol: 58, pages: 135-143

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.eurpolymj.2014.06.019

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Insights to durability and impedance of direct DME HT-PEM FCs

Vassiliev, Anton ; Jensen, Jens Oluf ; Li, Qingfeng
Presented at:
CARISMA 2014 Conference

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2014

 

Invited: A Stability Study of Alkali Doped PBI Membranes for Alkaline Electrolyzer Cells

Jensen, Jens Oluf ; Aili, David ; Hansen, Martin Kalmar ; Li, Qingfeng ; Bjerrum, Niels Janniksen ; Christensen, Erik
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2014-02, pages: 201278-1278
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

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Methods for HT-PEM FC electrodes preparation

Vassiliev, Anton ; Andersen, Kjeld Bøhm ; Martin, S. ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf
Presented at:
CARISMA 2014 Conference

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2014

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Novel non-platinum metal catalyst material

Qingfeng, Li (Inventor) ; Jensen, Jens Oluf ; Hu, Yang (Inventor) ; Bjerrum, Niels
Patent no.: WO2014202749, Date: 2014-12-24

Type: Patent

Status: Published     |    Year: 2014

 

Oxygen evolution catalysts on supports with a 3-D ordered array structure and intrinsic proton conductivity for proton exchange membrane steam electrolysis

Xu, Junyuan ; Aili, David ; Li, Qingfeng ; Christensen, Erik ; Jensen, Jens Oluf ; Zhang, Wei ; Hansen, Martin Kalmar ; Liu, Gaoyang ; Wang, Xindong ; Bjerrum, Niels J.
in: Energy & Environmental Science, vol: 7, issue: 2, pages: 820-830

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1039/c3ee41438h

 

Perovskites As Electrocatalysts for Alkaline Water Electrolysis

Nikiforov, Aleksey Valerievich ; De La Osa Puebla, Ana Raquel ; Jensen, Jens Oluf ; Petrushina, Irina Michailovna ; Bjerrum, Niels Janniksen
in: Electrochemical Society. Meeting Abstracts (Online), vol: MA2014-01, pages: 20613-613
Presented at:
225th ECS Meeting

Type: Conference abstract in journal (Peer reviewed)

Status: Published     |    Year: 2014

 

Phosphate-Doped Carbon Black as Pt Catalyst Support: Co-catalytic Functionality for Dimethyl Ether and Methanol Electro-oxidation

Yin, Min ; Huang, Yunjie ; Li, Qingfeng ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Zhang, Wei ; Bjerrum, Niels J. ; Xing, Wei
in: ChemElectroChem, vol: 1, issue: 2, pages: 448-454

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/celc.201300025

 

Polybenzimidazole and sulfonated polyhedral oligosilsesquioxane composite membranes for high temperature polymer electrolyte membrane fuel cells

Aili, David ; Allward, Todd ; Alfaro, Silvia Martinez ; Hartmann-Thompson, Claire ; Steenberg, Thomas ; Hjuler, Hans Aage ; Li, Qingfeng ; Jensen, Jens Oluf ; Stark, Edmund J.
in: Electrochimica Acta, vol: 140, pages: 182-190

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1016/j.electacta.2014.03.047