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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2014
 

Polymers for Fuel Cells

Aili, David ; Jensen, Jens Oluf ; Li, Qingfeng
part of: Encyclopedia of Polymeric Nanomaterials, 2014, Springer

Type: Encyclopedia chapter (Peer reviewed)

Status: Published     |    Year: 2014     |    DOI: https://doi.org/10.1007/978-3-642-36199-9_270-1

 

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

  PDF

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
  PDF

Activity and Durability Studies of Nanoparticulate, Thin Film and Bulk Electrocatalysts and they Supporting Materials for PEM and DMFCs

Permyakova, Anastasia Aleksandrovna ; Han, Binghong ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels J. ; Shao-Hom, Yang
Presented at:
DTU Energy Conversion PhD symposium 2013

Type: Poster

Status: Published     |    Year: 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

  PDF

Introduction to Department of Energy Conversion and Storage

Jensen, Jens Oluf
Presented at:
International Symposium on Water Electrolysis and Hydrogen as part of the future Renewable Energy System

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2013

 

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

  PDF

Three-dimensional Nanofiber Cathode for Low Temperature and High Temperature Fuel Cells

Zhang, Wenjing (Angela) ; Zhang, Wei ; Simonsen, Søren ; Esposito, Vincenzo ; Hjelm, Johan ; Ramousse, Severine ; Jensen, Jens Oluf ; Shao, Jing
Presented at:
Annual meeting of the Danish Electrochemical Society

Type: Conference abstract for conference

Status: Published     |    Year: 2013

2012
  PDF

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

  PDF

Advanced Construction Materials for High Temperature Steam PEM Electrolysers

Nikiforov, Aleksey ; Christensen, Erik ; Petrushina, Irina ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Electrolysis, pages: 61-86, 2012, InTech

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2012     |    DOI: https://doi.org/10.5772/51928

  PDF

Anion conducting polymer membranes for hydrogen production through alkaline water electrolysis

Aili, David ; Li, Qingfeng ; Christensen, Erik ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 78-78, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

Bifunctional Pt-Si Alloys for Small Organic Molecule Electro-oxidation

Permyakova, Anastasia Aleksandrovna ; Suntivich, Jin ; Han, Binghong ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels ; Shao-Horn, Yang
Presented at:
2012 MRS Fall Meeting & Exhibit

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2012

 

Conductive Properties of Neodymium Phosphate composites Investigated by Electrochemical Impedance Spectra

Anfimova, Tatiana ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
Presented at:
16th Solid State Protonic Conductors (SSPC16)

Type: Poster

Status: Published     |    Year: 2012

  PDF

Conductivity of NdPO4-CsH2PO4 composites investigated by electrochemical impedance spectroscopy

Anfimova, Tatiana ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 80-80, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Corrosion behavior of construction materials for intermediate temperature steam electrolysers

Nikiforov, Aleksey ; Petrushina, Irina ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 121-121, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Corrosion Behavior of Construction Materials for Intermediate Temperature Steam Electrolysers

Nikiforov, Aleksey ; Petrushina, Irina ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: ECS Meeting Abstracts, 2012, The Electrochemical Society
Presented at:
Pacific Rim Meeting on Electrochemical and Solid-State Science

Type: Conference abstract in proceedings (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

  PDF

Direct dimethyl ether high temperature polymer electrolyte membrane fuel cells

Vassiliev, Anton ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
Presented at:
Energieffektivisering for fremtiden

Type: Poster

Status: Published     |    Year: 2012

  PDF

Direct dimethyl ether high temperature polymer electrolyte membrane fuel cells with improved performance

Vassiliev, Anton ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 105-105, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Energy Dispersive X-ray Analysis used to quantify the Phosphoric Acid Doping Level in Polybenzimidazole based Fuel Cells

Holst, Thorsten ; Steenberg, Thomas ; Hjuler, Hans Aage ; Terkelsen, Carina ; Garcia, Hector R. ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 109-109, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

High Temperature Polymer Electrolyte Membrane Fuel Cells - Performance and degradation

Steenberg, Thomas ; Hjuler, Hans Aage ; Terkelsen, Carina ; Garcia, Hector R. ; Sanchez, Maria Teresa Romero ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 107-107, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

High Temperature Polymer Fuel Cells: From laboratory towards commercialization

Hjuler, Hans Aage ; Steenberg, Thomas ; Terkelsen, C. ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Bjerrum, Niels ; Andreasen, S.J. ; Kær, S.K.
Presented at:
45th Power Sources Conference

Type: Paper

Status: Published     |    Year: 2012

 

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

  PDF

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

  PDF

Niobium Phosphates as Intermediate Temperature Proton Conductor

Huang, Yunjie ; Li, Qingfeng ; Pan, Chao ; Jensen, Jens Oluf ; Christensen, Erik ; Cleemann, Lars Nilausen ; Jensen, Annemette Hindhede ; Anfimova, Tatiana ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 77-77, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

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

 

Poly(aryl sulfone benzimidazole) and its coplolymers as high temperature membrane electrolyte foe fuel cells

Yang, J.S. ; Li, Qingfeng ; Cleemann, Lars Nilausen ; Jensen, Jens Oluf ; Pan, Chao ; Bjerrum, Niels ; He, R.H.
Presented at:
7th International Green Energy Conference and the 1st DNL Conference on Clean Energy

Type: Paper

Status: Published     |    Year: 2012

  PDF

Poly(benzimidazole)–functionalized graphene as a stable and durable support for PEM fuel cell electrocatalysts

Permyakova, Anastasia Aleksandrovna ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 93-93, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Poly(benzimidazole)–functionalized graphene supported Pt electrocatalyst and its application in high temperature PEM fuel cells

Permyakova, Anastasia Aleksandrovna ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
part of: Abstract book - Pacific Rim Meeting on Electrochemical and Solid-State Science: 222nd Meeting of ECS — The Electrochemical Society and 2012 Fall Meeting of The Electrochemical Society of Japan, 2012
Presented at:
Pacific Rim Meeting on Electrochemical and Solid-State Science

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

Polybenzimidazoles – Synthesis, characterizations and applications in the form of membranes

Li, Qingfeng ; Aili, David ; Rudbeck, Hans Christian ; Yang, Jingshuai ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Advances in Materials Science Research, pages: 1-56, 2012, Nova Science Publishers

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2012

 

Proton Conductive Niobium Phosphates as Electrolytes for Fuel Cells Operating with Renewable Biofuels

Huang, Yunjie ; Li, Qingfeng ; Anfimova, Tatiana ; Jensen, Annemette Hindhede ; Jensen, Jens Oluf ; Christensen, Erik ; Bjerrum, Niels
Presented at:
Pacific Rim Meeting on Electrochemical and Solid-State Science

Type: Paper (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Proton Conductivity of Refractory Metal Phosphates at Intermediate Temperatures

Li, Qingfeng ; Huang, Yunjie ; Anfimova, Tatiana ; Jensen, Jens Oluf ; Christensen, Erik ; Bjerrum, Niels
Presented at:
16th Solid State Protonic Conductors (SSPC16)

Type: Sound/Visual production (digital) (Peer reviewed)

Status: Published     |    Year: 2012

  PDF

Recent Development of Acid Doped Polybenzimidazole Membranes in Denmark - Polymer Chemistry and Durability Issues

Li, Qingfeng ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Aili, David ; Yang, Jingshuai ; Steenberg, Thomas ; Terkelsen, Carina ; Hjuler, Hans Aage ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 36-36, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

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

  PDF

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

  PDF

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
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 95-95, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

 

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

  PDF

Water Electrolysis using Polymeric Electrolyte Membranes at Elevated Temperatures

Christensen, Erik ; Hansen, Martin Kalmar ; Aili, David ; Nikiforov, Aleksey ; Pan, Chao ; Xu, Junyuan ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
part of: Book of abstracts - 3rd CARISMA International Conference on Medium and High Temperature PEM Fuel Cells, pages: 51-51, 2012
Presented at:
3rd CARISMA International Conference on Medium and High Temperature Proton Exchange Membrane Fuel Cells

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2012

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

 

Development and Characterisation of Active and Durable Electrocatalysts for HT-PEM Fuel Cells

Permyakova, Anastasia Aleksandrovna ; Jensen, Jens Oluf ; Bjerrum, Niels J.
Presented at:
Hydrogen and Fuel Cells 2011 (HFC2011)

Type: Conference abstract for conference

Status: Published     |    Year: 2011

 

Development and Characterisation of Active and Durable Electrocatalysts for HT-PEM Fuel Cells 2

Permyakova, Anastasia Aleksandrovna ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Advanced Studies of Polymer Electrolyte Fuel Cells, The book of 4th International Summer School, pages: 96-98, 2011, Verlag der Technischen Universität Graz
Presented at:
4th International Summer School

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    Year: 2011

 

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

 

Method of operating a direct dme fuel cell system

Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels ; Steenberg, Thomas
Patent no.: WO2011035784, Date: 2011-03-31

Type: Patent

Status: Published     |    Year: 2011

 

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

 

Performance and durability of high performance MEAs for high temperature PBI fuel cells

Hjuler, Hans Aage ; Steenberg, Thomas ; Rudbeck, H.C. ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
Presented at:
Hydrogen and Fuel Cells 2011 (HFC2011)

Type: Paper (Peer reviewed)

Status: Published     |    Year: 2011

 

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

 

Recent progress in material development and durability evaluation

Li, Qingfeng ; Aili, David ; Jensen, Jens Oluf ; Cleemann, Lars Nilausen ; Rudbeck, H.C. ; Steenberg, Thomas ; Hjuler, Hans Aage ; Bjerrum, Niels
Presented at:
Hydrogen and Fuel Cells 2011 (HFC2011)

Type: Paper (Peer reviewed)

Status: Published     |    Year: 2011

2010
 

A direct DME fuel cell based on acid doped PBI

Jensen, Jens Oluf ; Ingemann Olsen, M ; Li, Qingfeng ; Vassiliev, Anton ; Pan, Chao ; Steenberg, Thomas ; Bjerrum, Niels
Presented at:
Progress MEA 2010

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2010

 

A Medical Delivery Device

Nielsen, Ole Christian (Inventor) ; Jensen, Jens Oluf ; Nielsson, Morten Sixten (Inventor) ; Bjerrum, Niels ; Hennesø, Erik
Patent no.: WO10000567, Date: 2010-01-07

Type: Patent

Status: Published     |    Year: 2010

 

Development and Characterizations of High Performance MEAs For High Temperature PBI Fuel Cells

Hjuler, Hans Aage ; Steenberg, Thomas ; Rudbeck, Hans Christian ; Cleemann, Lars Nilausen ; Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
Presented at:
Progress MEA 2010

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2010

 

Durability Issues and Status of High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranes

Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Liao, Jianhui ; Rudbeck, Hans Christian ; Cleemann, Lars Nilausen ; Bjerrum, Niels
Presented at:
217th Electrochemical Society Meeting

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

 

High Temperature PEMFC and Its Integration with Fuel Processors - An Approach to Portable Fuel Cells

Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
Presented at:
International Symposium on Portable Fuel Cells

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

 

Introduktion til højtemperatur PEM brændselsceller

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
HotMEA thematic day

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

 

Ongoing Efforts Addressing Degradation of High Temperature PEMFC

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
18th World Hydrogen Energy Conference

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

 

PEM fuel cells, Towards higher working temperature

Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
Presented at:
HySA seminar

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

 

Polymer Degradation and Catalyst Sintering in High Temperature PEMFC Based on Acid Doped Polybenzimidazole Membranes

Li, Qingfeng ; Jensen, Jens Oluf ; Rudbeck, Hans Christian ; Liao, Jianhui ; Cleemann, Lars Nilausen ; Chromik, A ; Kerres, J ; Bjerrum, Niels
Presented at:
Progress MEA 2010

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2010

 

Possibilities of High Temperature PEMFC as Compared with Conventional PEMFC

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
“Proton conducting materials at high temperature and their applications” HyFC Academy Workshop

Type: Sound/Visual production (digital)

Status: Published     |    Year: 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

 

Properties, Degradation and High Temperature Fuel Cell Test of Different Types of PBI and PBI Blend Membranes

Kerres, Jochen A ; Li, Qingfeng ; Rudbeck, Hans Christian ; Chromik, A ; Jensen, Jens Oluf ; Pan, Chao ; Steenberg, Thomas ; Calverley, Martin ; Bjerrum, Niels
Presented at:
Progress MEA 2010

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    Year: 2010

 

Recent advances with high temperature PEMFC in Denmark

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Rudbeck, Hans Christian (Invited author) ; Steenberg, Thomas (Invited author) ; Bjerrum, Niels
Presented at:
the 8h International Symposium on New Materials for Electrochemical Systems

Type: Sound/Visual production (digital)     |     Invited contribution

Status: Published     |    Year: 2010

  PDF

The energy efficiency of onboard hydrogen storage

Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
part of: Energy efficiency, pages: 143-156, 2010, Sciyo

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2010

 

The Energy Efficiency of Onboard Hydrogen Storage

Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
Presented at:
Nordic Center of Excellence on Hydrogen Storage Materials. Final workshop

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2010

2009
 

CHEMISTRY, ELECTROCHEMISTRY, AND ELECTROCHEMICAL APPLICATIONS

Li, Qingfeng ; Jensen, Jens Oluf ; Bjerrum, Niels
part of: Encyclopedia of Electrochemical Power Sources, pages: 695-708, 2009, Elsevier, Amsterdam

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2009

 

Degradation of high temperature PEM fuel cells

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
HyFC Academy School on Fuel Cells and Hydrogen. PEMFC’s : Degradation mechanisms and their mitigation.

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2009

 

Durability Issues of High Temperature Proton Exchange Membrane Fuel Cells Based on Acid Doped Polybenzimidazole Membranes

Li, Qingfeng ; Jensen, Jens Oluf ; Pan, Chao ; Bjerrum, Niels
Presented at:
the 60 Annual Meeting of the International Society of Electrochemistry

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2009

 

Durable Catalysts for High Temperature Proton Exchange Membrane Fuel Cells

Li, Qingfeng ; Buazar, Foad ; Cleemann, Lars Nilausen ; Pan, Chao ; Jensen, Jens Oluf ; Steenberg, Thomas ; Christensen, Erik ; Bjerrum, Niels
Presented at:
International Symposium on Electrochemistry for Energy Conversion and Storage

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2009

 

High Temperature PEM Fuel Cells

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
HySA Systems Seminar

Type: Conference abstract for conference

Status: Published     |    Year: 2009

 

High temperature PEM fuel cells in Denmark

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
Presentaion at Kolon Industries

Type: Paper

Status: Published     |    Year: 2009

 

High temperature PEM fuel cells in Denmark

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
Seminar at Fuel Cell Research Center, Korean Institute of Energy Research, KIER

Type: Conference abstract for conference

Status: Published     |    Year: 2009

 

High temperature PEM fuel cells in Denmark

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
Kolon Industries

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2009

  PDF

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

 

PEM Fuel cells

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
International Symposium on Electrochemistry for Energy Conversion and Storage

Type: Conference abstract for conference

Status: Published     |    Year: 2009

 

PEM fuel cells at elevated temperature

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bjerrum, Niels
Presented at:
3rd Symposium "Hydrogen & Energy"

Type: Conference abstract for conference

Status: Published     |    Year: 2009

 

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

 

Water electrolysis at elevated temperatures

Nikiforov, Aleksey ; Aili, David ; Hansen, Martin Kalmar ; Petrushina, Irina ; Christensen, Erik ; Jensen, Jens Oluf ; Li, Qingfeng ; Bjerrum, Niels
Presented at:
HyFC Academy on Fuel Cells and Hydrogen

Type: Poster

Status: Published     |    Year: 2009

2008
 

A high temperature PEMFC integrated with a diesel reforming system

Jensen, Jens Oluf ; Li, Qingfeng ; Pan, Chao ; Bandur, Viktor ; Cleemann, Lars Nilausen ; Bjerrum, Niels ; Selimowic, Azra ; Andreas, Bodén ; Johansen, Lars Ø. ; Seland, Frode ; Tsypkin, Mikail ; Kongstein, Ole Edvard ; Tunold, Reidar ; Mamlouk, Mohammed ; Scott, Keith ; Nilsson, Morten S. ; Steenberg, Thomas ; Schönberger, Frank ; Hein, Martin ; Chromik, Andreas ; Kerres, Jochen ; Walter, Michael ; van Driel, Marinus ; Scholten, Anton ; Smolenaars, Jaques ; Wagner, Klaus-Dieter ; Wolf, Joachim ; Geiss, Stefan ; Yde-Andersen, Steen ; de Rycke, Thibault ; Kontoyannis, Christos ; Zacharaki, Irene ; Papatheodoru, George ; Häring, Thomas ; Nähring, Jens
part of: Energy Materials, pages: 275-283, 2008, Roskilde
Presented at:
Risø International Symposium on Materials Sciencee: Energy Materials : Advances in Characterization, Modelling and Application

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2008

 

Fuel cells

Jensen, Jens Oluf ; Li, Qingfeng
part of: Hydrogen Technology, pages: 152-184, 2008, Springer

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 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

 

Recent progress in high temperature PEM fuel cells

Jensen, Jens Oluf
Presented at:
Electrochemical Science and Technology : Symposium of the Danish Electrochemical Society

Type: Conference abstract for conference

Status: Published     |    Year: 2008

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

 

Membranes for High Temperature PEFC Based on Polybenimidazoles

Li, Qingfeng ; Jensen, Jens Oluf
part of: Membrane Handbook, 2007, Wiley-VCH

Type: Book chapter

Status: Published     |    Year: 2007

 

Membranes for High Temperature PEMFC Based on Acid-Doped Polybenzimidazoles

Li, Qingfeng ; Jensen, Jens Oluf
part of: Membranes for Energy Conversion, pages: 61-96, 2007, Wiley-VCH

Type: Book chapter (Peer reviewed)

Status: Published     |    Year: 2007     |    DOI: https://doi.org/10.1002/9783527622146.ch3

 

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