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

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

 

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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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
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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

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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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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

 

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

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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
 

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

 

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

 

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

 

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 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

 

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

 

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

 

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

 

The Electrochemical Behavior of Phosphoric-Acid-Doped Poly(perfluorosulfonic Acid) Membranes

Aili, David ; Savinell, Robert F ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Bjerrum, Niels J. ; Li, Qingfeng
in: ChemElectroChem, vol: 1, pages: 1471–1475

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1002/celc.201402053

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Thermal Stability and Proton Conductivity of Rare Earth Orthophosphate Hydrates

Anfimova, Tatiana ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: International Journal of Electrochemical Science, vol: 9, pages: 2285 - 2300

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2014

2013
 

Antimony doped tin oxide modified carbon nanotubes as catalyst supports for methanol oxidation and oxygen reduction reactions

Xu, Junyuan ; Aili, David ; Li, Qingfeng ; Pan, Chao ; Christensen, Erik ; Jensen, Jens Oluf ; Zhang, Wei ; Liu, Gaoyang ; Wang, Xindong ; Bjerrum, Niels J.
in: Journal of Materials Chemistry A, vol: 1, issue: 34, pages: 9737-9745

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1039/c3ta11238a

 

Benzimidazole grafted polybenzimidazoles for proton exchange membrane fuel cells

Yang, Jingshuai ; Aili, David ; Li, Qingfeng ; Xu, Yixin ; Liu, Peipei ; Che, Quantong ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; He, Ronghuan
in: Polymer Chemistry, vol: 4, issue: 17, pages: 4768-4775

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1039/c3py00408b

 

Catalyst Degradation in High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranes

Cleemann, Lars Nilausen ; Buazar, F. ; Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Steenberg, T. ; Dai, S. ; Bjerrum, Niels J.
in: Fuel Cells, vol: 13, issue: 5, pages: 822-831

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1002/fuce.201200186

 

Corrosion behavior of construction materials for intermediate temperature steam electrolysers

Nikiforov, Aleksey ; Petrushina, Irina ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: Advanced Materials Research, vol: 699, pages: 596-605
Presented at:
2013 International Conference on Materials Science and Chemical Engineering (MSCE 2013)

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.4028/www.scientific.net/AMR.699.596

 

Covalently Cross-Linked Sulfone Polybenzimidazole Membranes with Poly(Vinylbenzyl Chloride) for Fuel Cell Applications

Yang, Jingshuai ; Aili, David ; Li, Qingfeng ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; He, Ronghuan
in: ChemSusChem (Print), vol: 6, issue: 2, pages: 275-282

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1002/cssc.201200716

 

Crosslinked Hexafluoropropylidene Polybenzimidazole Membranes with Chloromethyl Polysulfone for Fuel Cell Applications

Yang, Jingshuai ; Li, Qingfeng ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Pan, Chao ; Bjerrum, Niels J. ; He, Ronghuan
in: Advanced Energy Materials, vol: 3, issue: 5, pages: 622-630

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1002/aenm.201200710

 

Heterogeneous anion conducting membranes based on linear and crosslinked KOH doped polybenzimidazole for alkaline water electrolysis

Aili, David ; Hansen, Martin Kalmar ; Renzaho, Richard Fulgence ; Li, Qingfeng ; Christensen, Erik ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: Journal of Membrane Science, vol: 447, pages: 424-432

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.memsci.2013.07.054

 

Indium doped niobium phosphates as intermediate temperature proton conductors

Huang, Yunjie ; Li, Qingfeng ; Anfimova, Tatiana ; Christensen, Erik ; Yin, Min ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; Xing, Wei
in: International Journal of Hydrogen Energy, vol: 38, issue: 5, pages: 2464-2470

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.ijhydene.2012.11.125

 

Oxidative degradation of acid doped polybenzimidazole membranes and fuel cell durability in the presence of ferrous ions

Liao, Jianhui ; Yang, Jingshuai ; Li, Qingfeng ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Bjerrum, Niels J. ; He, Ronghuan ; Xing, Wei
in: Journal of Power Sources, vol: 238, pages: 516-522

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1016/j.jpowsour.2013.03.194

 

The 3rd CARISMA international conference on medium and high temperature proton exchange membrane fuel cells: Three approaches to better platinum catalysts at biannual conference

Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng
in: Platinum Metals Review (Online Edition), vol: 57, issue: 3, pages: 173-176

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2013     |    DOI: https://doi.org/10.1595/147106713X667740

2012
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A Direct DME High Temperature PEM Fuel Cell

Vassiliev, Anton ; Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Cleemann, Lars Nilausen ; Steenberg, T. ; Bjerrum, Niels
in: E C S Transactions, vol: 50
Presented at:
Pacific Rim Meeting on Electrochemical and Solid-State Science

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2012

 

Direct dimethyl ether fueling of a high temperature polymer fuel cell

Jensen, Jens Oluf ; Vassiliev, Anton ; Olsen, M.I. ; Li, Qingfeng ; Pan, Chao ; Cleemann, Lars Nilausen ; Steenberg, Thomas ; Hjuler, Hans Aage ; Bjerrum, N.J.
in: Journal of Power Sources, vol: 211, pages: 173-176

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.jpowsour.2012.03.039

 

Metal Phosphates as Intermediate Temperature Proton Conducting Electrolytes

Huang, Yunjie ; Li, Q.F. ; Pan, Chao ; Anfimova, Tatiana ; Jensen, Jens Oluf ; Bjerrum, Niels
in: E C S Transactions, vol: 45, issue: 1, pages: 99-104
Presented at:
221st ECS Meeting

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1149/1.3701296

 

Nickel and its alloys as perspective materials for intermediate temperature steam electrolysers operating on proton conducting solid acids as electrolyte

Nikiforov, Aleksey ; Petrushina, Irina ; Jensen, Jens Oluf ; Bjerrum, Niels J.
in: E C S Transactions, vol: 50, issue: 44, pages: 53-61
Presented at:
Pacific Rim Meeting on Electrochemical and Solid-State Science

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1149/05044.0053ecst

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Niobium phosphates as an intermediate temperature proton conducting electrolyte for fuel cells

Huang, Yunjie ; Li, Qingfeng ; Jensen, Annemette Hindhede ; Yin, Min ; Jensen, Jens Oluf ; Christensen, Erik ; Pan, Chao ; Bjerrum, Niels ; Xing, Wei
in: Journal of Materials Chemistry, vol: 22, issue: 42, pages: 22452-22458

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1039/c2jm34704k

 

PEM steam electrolysis at 130 °C using a phosphoric acid doped short side chain PFSA membrane

Hansen, Martin Kalmar ; Aili, David ; Christensen, Erik ; Pan, Chao ; Eriksen, Søren ; Jensen, Jens Oluf ; Barner, Jens H. Von ; Li, Qingfeng ; Bjerrum, Niels
in: International Journal of Hydrogen Energy, vol: 37, issue: 15, pages: 10992-11000

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.ijhydene.2012.04.125

 

Phosphoric acid doped imidazolium polysulfone membranes for high temperature proton exchange membrane fuel cells

Yang, Jingshuai ; Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Cleemann, Lars Nilausen ; Bjerrum, Niels J. ; He, Ronghuan
in: Journal of Power Sources, vol: 205, pages: 114-121

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.jpowsour.2012.01.038

 

Synthesis and properties of poly(aryl sulfone benzimidazole) and its copolymers for high temperature membrane electrolytes for fuel cells

Yang, Jingshuai ; Li, Qingfeng ; Cleemann, Lars Nilausen ; Xu, Chenxi ; Jensen, Jens Oluf ; Pan, Chao ; Bjerrum, Niels ; He, Ronghuan
in: Journal of Materials Chemistry, vol: 22, issue: 22, pages: 11185-11195

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1039/c2jm30217a

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Thermal curing of PBI membranes for high temperature PEM fuel cells

Aili, David ; Cleemann, Lars N. ; Li, Qingfeng ; Jensen, Jens Oluf ; Christensen, Erik ; Bjerrum, Niels J.
in: Journal of Materials Chemistry, vol: 22, issue: 12, pages: 5444-5453

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1039/c2jm14774b

 

Tungsten carbide promoted Pd and Pd–Co electrocatalysts for formic acid electrooxidation

Yin, Min ; Li, Qingfeng ; Jensen, Jens Oluf ; Huang, Yunjie ; Cleemann, Lars Nilausen ; Bjerrum, Niels ; Xing, Wei
in: Journal of Power Sources, vol: 219, pages: 106-111

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.1016/j.jpowsour.2012.07.032

2011
 

Crosslinking of polybenzimidazolemembranes by divinylsulfone post-treatment for high-temperature proton exchange membrane fuel cell applications

Aili, David ; Li, Qingfeng ; Christensen, Erik ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Polymer International, vol: 60, issue: 8, pages: 1201-1207

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1002/pi.3063

 

Effect of chloride impurities on the performance and durability of polybenzimidazole-based high temperature proton exchange membrane fuel cells

Ali, Syed Talat ; Li, Qingfeng ; Pan, Chao ; Jensen, Jens Oluf ; Nielsen, Lars Pleth (Invited author) ; Møller, Per
in: International Journal of Hydrogen Energy, vol: 36, issue: 2, pages: 1628-1636
Presented at:
The 3rd Annual Korea-USA Joint Symposium on Hydrogen & Fuel Cell Technologies

Type: Conference article (Peer reviewed)     |     Invited contribution

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.ijhydene.2010.10.076

 

High temperature proton exchange membranes based on polybenzimidazole and clay composites for fuel cells

Plackett, David ; Siu, Ana ; Li, Qingfeng ; Pan, Chao ; Jensen, Jens Oluf ; Fæster Nielsen, Søren ; Permyakova, Anastasia Aleksandrovna ; Bjerrum, Niels
in: Journal of Membrane Science, vol: 383, issue: 1-2, pages: 78-87

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.memsci.2011.08.038

 

Oxidative degradation of polybenzimidazole membranes as electrolytes for high temperature proton exchange membrane fuel cells

Liao, J.H. ; Li, Qingfeng ; Rudbeck, H.C. ; Jensen, Jens Oluf ; Chromik, A. ; Bjerrum, Niels ; Kerres, J. ; Xing, W.
in: Fuel Cells, vol: 11, issue: 6, pages: 745-755
Presented at:
2nd CARISMA International Conference “Progress in MEA Materials for Medium and High Temperature Polymer Electrolyte Fuel Cells”

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1002/fuce.201000146

 

Phosphoric acid doped membranes based on Nafion®, PBI and their blends – Membrane preparation, characterization and steam electrolysis testing

Aili, David ; Hansen, Martin Kalmar ; Pan, Chao ; Li, Qingfeng ; Christensen, Erik ; Jensen, Jens Oluf ; Bjerrum, Niels
in: International Journal of Hydrogen Energy, vol: 36, issue: 12, pages: 6985-6993

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2011     |    DOI: https://doi.org/10.1016/j.ijhydene.2011.03.058

2010
 

Properties, degradation and high temperature fuel cell test of different types of PBI and PBI blend membranes

Li, Qingfeng ; Rudbeck, Hans Christian ; Chromik, Andreas ; Jensen, Jens Oluf ; Pan, Chao ; Steenberg, Thomas ; Calverley, Martin ; Bjerrum, Niels ; Kerres, Jochen
in: Journal of Membrane Science, vol: 347, issue: 1-2, pages: 260-270

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2010     |    DOI: https://doi.org/10.1016/j.memsci.2009.10.032

2009
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High temperature proton exchange membranes based on polybenzimidazoles for fuel cells

Li, Qingfeng ; Jensen, Jens Oluf ; Savinell, Robert F ; Bjerrum, Niels J.
in: Progress in Polymer Science, vol: 34, issue: 5, pages: 449-477

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1016/j.progpolymsci.2008.12.003

 

Thermal coupling of a high temperature PEM fuel cell with a complex hydride tank

Pfeifer, P. ; Wall, C. ; Jensen, Jens Oluf ; Hahn, H. ; Fichtner, M.
in: International Journal of Hydrogen Energy, vol: 34, issue: 8, pages: 3457-3466

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2009     |    DOI: https://doi.org/10.1016/j.ijhydene.2009.02.041

2008
 

Partially fluorinated aarylene polyethers and their ternary blends with PBI and H3PO4.

Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Bandur, Viktor ; Nilsson, M. S. ; Schoenberger, F. ; Chromik, A. ; Hein, M. ; Haering, T. ; Kerres, J ; Bjerrum, Niels
in: Fuel Cells, vol: 8, issue: 3-4, pages: 188-199

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1002/fuce.200800007

 

Partially fluorinated arylene polyethers and their ternary blend membranes with PBI and H3PO4.

Kerres, J. ; Schonberger, F. ; Chromik, A ; Haering, T ; Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Noye, P ; Bjerrum, Niels
in: Fuel Cells, vol: 8, issue: 3-4, pages: 175-187

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2008     |    DOI: https://doi.org/10.1002/fuce.200800011

2007
 

Development of a high-pressure microbalance for hydrogen storage materials

Vestbø, Andreas Peter ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Journal of Alloys and Compounds, vol: 446, issue: Special Issue, pages: 703-706
Presented at:
10th International Symposium on Metal-Hydrogen Systems

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1016/j.jallcom.2007.04.044

 

Cross-linked polybenzimidazole membranes for fuel cells

Li, Qingfeng ; Pan, Chao ; Jensen, Jens Oluf ; Precht Noyé, Pernille ; Bjerrum, Niels
in: Chemistry of Materials, vol: 19, issue: 3, pages: 350-352

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1021/cm0627793

 

Doping phosphoric acid in polybenzimidazole membranes for high temperature proton exchange membrane fuel cells

He, Ronghuan ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Journal of Polymer Science, vol: 45, issue: 14, pages: 2989-2997

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1002/pola.22053

 

High temperature PEMFC and the possible utilization of the excess heat for fuel processing

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Vestbø, Andreas Peter ; Mortensen, Kasper ; Petersen, Henrik Nybo ; Sørensen, Christian Lau ; Clausen, Thomas Nedergaard ; Schramm, Jesper ; Bjerrum, Niels
in: International Journal of Hydrogen Energy, vol: 32, issue: 10-11, pages: 1567-1571

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1016/j.ijhydene.2006.10.034

 

Preparation and operation of gas diffusion electrodes for high-temperature proton exchange membrane fuel cells

Pan, Chao ; Li, Qingfeng ; Jensen, Jens Oluf ; He, Ronghuan ; Cleemann, Lars Nilausen ; Bjerrum, Niels ; Zeng, Qingxue
in: Journal of Power Sources, vol: 172, issue: 1, pages: 278-286

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1016/j.jpowsour.2007.07.019

 

The Energy Efficiency of Onboard Hydrogen Storage

Jensen, Jens Oluf ; Vestbø, Andreas Peter ; Li, Qingfeng ; Bjerrum, Niels
in: Journal of Alloys and Compounds, vol: 446–447, pages: 723-728
Presented at:
10th International Symposium on Metal-Hydrogen Systems

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1016/j.jallcom.2007.04.051

2006
 

Physicochemical properties of phosphoric acid doped polybenzimidazole membranes for fuel cells

He, Ronghuan ; Li, Qingfeng ; Bach, Anders ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Journal of Membrane Science, vol: 277, pages: 38-45

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2006

2005
 

100-200°C Polymer Fuel Cells for use with NaAlH4

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
in: Journal of Alloys and Compounds, vol: 404-406, pages: 653-656

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2005

 

Integration of high temperature PEM fuel cells with a methanol reformer

Pan, Chao ; He, Ronghuan ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels ; Hjulmand, Henrik A ; Jensen, Anders B
in: Journal of Power Sources, vol: 145, issue: 2, pages: 392-398
Presented at:
Meeting on Fuel Cells Science and Technology

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2005     |    DOI: https://doi.org/10.1016/j.jpowsour.2005.02.056

 

X-ray diffraction of subfractions of petroleum asphaltenes

Andersen, Simon Ivar ; Jensen, Jens Oluf ; Speight, J. G.
in: Energy & Fuels, vol: 19, issue: 6, pages: 2371 - 2377

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2005

2004
 

An in-situ neutron diffraction study of the ageing of CaNi5Dx at 80ºC and 9 bar.

Pitt, M.P. ; Brinks, H.W. ; Jensen, Jens Oluf ; Hauback., B.C.
in: Journal of Alloys and Compounds, vol: 372, pages: 190–196

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2004

 

PBI-based polymer membranes for high temperature fuel cells – preparation, characterizations and fuel cell demonstrations

Qingfeng, Li ; He, Ronhuan ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Fuel Cells, vol: 4, pages: 147-159

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2004

2003
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Approaches and Recent Development of Polymer Electrolyte Membranes For Fuel Cells Operational Above 100°C

Li, Qingfeng ; He, Ronghuan ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Chemistry of Materials, vol: 15, issue: 26, pages: 4896-4915

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2003     |    DOI: https://doi.org/10.1021/cm0310519

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The CO poisoning effect in PEMFCs operational at temperatures up to 200 degrees C

Li, Qingfeng ; He, Ronghuan ; Gao, Ji-An ; Jensen, Jens Oluf ; Bjerrum, Niels
in: Journal of The Electrochemical Society, vol: 150, issue: 12, pages: A1599-A1605

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2003     |    DOI: https://doi.org/10.1149/1.1619984