Publications

(A) 4M publication list A: peer-reviewed journal papers

1. Water distribution in high temperature polymer electrolyte fuel cells, U. Reimer, J. Ehlert, H. Janßen and W. Lehnert, International Journal of Hydrogen Energy 41 (2016), 1837-1845
2. The importance of diffusion mechanisms in high temperature polymer electrolyte fuel cells, Q. Cao, S. B. Beale, U. Reimer, D. Froning and W. Lehnert, ECS Transactions 69, (2015), 1089-1103
3. Estimating Important Electrode Parameters of High Temperature PEM Fuel Cells By Fitting a Model to Polarization Curves and Impedance Spectra, Vang, Jakob Rabjerg; Zhou, Fan; Andreasen, Søren Juhl; Kær, Søren Knudsen, ECS Transactions, Vol. 68, Nr. 3, 2015, s. 13-34
4. Experimental investigation of carbon monoxide poisoning effect on a PBI/H3PO4 high temperature polymer electrolyte membrane fuel cell: Influence of anode humidification and carbon dioxide., Zhou, Fan; Andreasen, Søren Juhl; Kær, Søren Knudsen; Park, Jung O, International Journal of Hydrogen Energy, Vol. 40, Nr. 43, 11.2015, s. 14932- 14941.
5. Experimental study of cell reversal of a high temperature polymer electrolyte membrane fuel cell caused by H2 starvation, Zhou, Fan; Andreasen, Søren Juhl; Kær, Søren Knudsen, International Journal of Hydrogen Energy, Vol. 40, Nr. 20, 06.2015, s. 6672–6680.
6. System model development for a methanol reformed 5 kW high temperature PEM fuel cell system. Sahlin, Simon Lennart; Andreasen, Søren Juhl; Kær, Søren Knudsen. International Journal of Hydrogen Energy, Vol. 40, Nr. 38, 10.2015, s. 13080–13089.
7. Understanding on Interface Contribution to the Electrode Performance of Proton Exchange Membrane Fuel Cells – Impact of the Ionomer Content, S.M. Andersen & L. Grahl-Madsen, Int. J. Hydrogen Energy, 41 (2016) 1892-1901.
8. The importance of ion selectivity of perfluorinated sulfonic acid membrane for the performance of proton exchange membrane fuel cells, S.M. Andersen, J. Fuel Cell Sci. Tec. (2016), 061010-1 – 061016-7.
9. Nano carbon supported platinum catalyst interaction behavior with per-fluorosulfonic acid ionomer and their interface structures, S.M. Andersen, Appl. Catal. B Environ. 181 (2016) 146–155.
10. Radel based membranes with pyridine and imidazole side groups for High Temperature Polymer Electrolyte Fuel Cells, Steffen Hink, Ngoc My Hanh Duong, Dirk Henkensmeier,* Jin Young Kim, Jong Hyun Jang, Hyoung-Juhn Kim, Jonghee Han, Suk-Woo Nam, Solid State Ionics, 2015, 275, 80-85.
11. Phosphoric Acid doped Polysulfone Membranes with Aminopyridine Pendant Groups and Imidazole Cross-links, Steffen Hink, Katrine Elsøe, Lars Nilausen Cleemann, Dirk Henkensmeier*, Jong Hyun Jang, Hyoung-Juhn Kim, Jonghee Han, Suk-Woo Nam, Qingfeng Li, Europ. Polym. J., 2015, 72, 102-113.
12. Rotating disk electrode system for ele-vated pressures and temperatures, M. J. Fleige, G. K. H. Wiberg, and M. Arenz, Review of Scientific Instruments 86, 064101 (2015)
13. The Surface Chemistry of “Unprotected” Nanoparticles – A Spectroscopic Investigation on Colloidal Particles, I. Schrader, J. Warneke, S. Neumann, S. Grotheer, A. Abildgaard Swane, J.J.K. Kirkensgaard, M. Arenz, S. Kunz, J. Phys. Chem. C 2015, 119, 17655
14. Electrochemical Stability and Post-Mortem Studies of Pt/SiC catalysts for Polymer Electrolyte Membrane Fuel Cells, S. Stamatin, J. Speder, R. Dhiman, M. Arenz, E. Skou, ACS Applied Materials & Interfaces 7 (11), 2015, 6153–6161.
15. Exceptional durability enhancement of PA/PBI based polymer electrolyte membrane fuel cells for high temperature operation at 200 °C, David Aili, Jin Zhang, M. T. D. Jakobsen, Haijin Zhu, Tianyu Yang, Jian Liu, Maria Forsyth, Chao Pan, Jens Oluf Jensen, Lars Nilausen Cleemann, San Ping Jiang,and Qingfeng Li, Journal of Materials Chemistry A, Vol. 4, No. 11, 2016, p. 4019-4024.
16. 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, Journal of Materials Chemistry A, Vol. 3, No. 27, 2015, p. 14389-14400.
17. 1,2,4-Triazolium perfluorobutanesulfonate as an archetypal pure protic organic ionic plastic crystal electrolyte for fuel cells, J.S. Luo, A. H. Jensen, N. R. Brooks, J. Sniekers, M. Knipper, D. Aili,c Q. Li, B. Vanroy, M. Wübbenhorst‎, F. Yan, L.Van Meervelt, Z. Shao, J.H. Fang, Z.H. Luo, D.E. De Vos, K. Binnemans and J. Fransaer, Energy and Environmental Science, Vol. 8, 2015, 1276-1291.
18. Sulfonated copolyimide membranes derived from a novel diamine monomer with pendant benzimidazole groups for fuel cells, Wei Li, Xiaoxia Guo, David Aili, Santiago Martin, Qingfeng Li, Jianhua Fang, Journal of Membrane Science, Vol. 481, 2015, p. 44-53.ss (2015)
19. Promotional effect of phosphorus doping on the activity of the Fe-N/C catalyst for the oxygen reduction reaction. Yang Hu; Jianbin Zhu; Qing Lv; Changpeng Liu; Qingfeng Li; Wei Xing, Electrochimica Acta, Vol. 155 (2015) 335-340.
20. Methyl phosphate formation as a major degradation mode of direct methanol fuel cells with phosphoric acid based electrolytes, David Aili; Anton Vassiliev; Jens Oluf Jensen; Thomas J. Schmidt; Qingfeng Li, Journal of Power Sources, Vol. 279 ( 2015), 517-521.
21. Analysis of accelerated degradation of a HT-PEM fuel cell caused by cell reversal in fuel starvation condition, F. Zhou, S.J. Andreasen, S.K. Kær, D. Yu, International Journal of Hydrogen Energy, Vol. 40, No. 6, pp. 2833-2839.
22. Performance Degradation Tests of Phosphoric Acid Doped PBI Membrane Based High Temperature PEM Fuel Cells, F. Zhou, S.S. Araya, I. Grigoras, S.J. Andreasen, S.K. Kær, Journal of Fuel Cell Science and Technology, Vol. 12, 2015.
23. Comparative study of the break in process of post doped and sol–gel high temperature proton exchange membrane fuel cells, J. R. Vang, S. J. Andreasen, S. S. Araya, S. K. Kær, International Journal of Hydrogen Energy, Vol. 39, No. 27, 2014, pp. 14959-14968
24. Performance and endurance of a high temperature PEM fuel cell operated on methanol reformate, S. S. Araya, I. F. Grigoras, F. Zhou, S. J. Andreasen, S. K. Kær, International Journal of Hydrogen Energy, Vol. 39, No. 32, 2014,  pp. 18343–18350
25. Determining the platinum loading and distribution of industrial scale polymer electrolyte membrane fuel cell electrodes using low energy X-ray imaging, T. Holst, A. Vassiliev, R. Kerr, Q. Li, T. Steenberg, C. Terkelsen, and H.A. Hjuler, J. Power Sources 270 (2014) p. 208.
26. Performance of the High Temperature PEM Membrane Electrode Assembly, R. Kerr, H. R. García, M. T. Romero, C. Terkelsen, H. A. Hjuler, T. Steenberg, ECS Meeting, Cancun, Mexico, October 2014, ECS Transactions, 64 (2014) pp. 973-982.
27. High Molecular Weight Polybenzimidazole Membranes for High Temperature PEMFC, J. Yang, L. N. Cleemann, T. Steenberg, C. Terkelsen, Q. Li, J. Jensen, H. A. Hjuler, N. J. Bjerrum, Ronghuan He. Fuel Cells. Vol. 14 (2014), pp7-15.
28. Polybenzimidazole and sulfonated polyhedral oligosilsesquioxane composite membranes for high temperature polymer electrolyte membrane fuel cells, D. Aili, T. Allward, S. Alfaro, C. Hartmann-Thompson, T. Steenberg, H. A. Hjuler, Q Li, J. Jensen, E. J. Stark, Electrochimica Acta, 140 (2014) 182-190.
29. Advanced Tools in Energy Technology Innovation, Information Pamphlet, pp. 8-9, Published by DI, DTU and KU (2014).
30. Importance of Electrode Hot-Pressing Conditions for the Catalyst Performance of Proton Exchange Membrane Fuel Cells, Andersen S.M., Dhiman R., Larsen M.J. & Skou E., Appl. Cata. B 172 (2015) 82-90.
31. X-ray Photoelectron Spectroscopy Investigation on Electrochemical Degradation of Proton Exchange Membrane Fuel Cell Electrodes, Andersen S.M., Dhiman R., & Skou E., J. Power Sources, 282 (2015) 87-94.
32. Chemistry of Carbon Polymer Composite Electrode - An X-ray Photoelectron Spectroscopy Study, Andersen S.M., Dhiman R. & Skou E., J. Power Sources, 274 (2015) 1217-1223.
33. Tin Dioxide as an Effective Antioxidant for Proton Exchange Membrane Fuel Cells, Andersen S.M., Nørgaard C.F., Larsen M.J., Skou E., J. Power Sources 27 (2015) 158-161.
34. Activity and stability studies of platinized multi-walled carbon nanotubes as fuel cell Electrocatalysts, Stamatin S.N., Borghei M., Dhiman R., Andersen S.M., Ruiz V., Kauppinen E., Skou M. E.,Appl. Catal., B,  162 (2015) 289–299.
35. Electrochemical Performance and Durability of Carbon Supported Pt Catalyst in Contact with Aqueous and Polymeric Proton Conductors, S.M. Andersen, E. Skou, ACS Appl. Mater. Interfaces, 19 (2014) 16565-16576.
36. On the influence of phosphoric acid on the oxygen reduction reaction: activity inhibition and its mitigation, K. Holst-Olesen, et al. Journal of Power Sources 272 (2014) 1072-1077
37. Equilibrium coverage of OH_ad in correlation with platinum catalyzed fuel cell reactions  in HClO₄, Yu-Jia Deng, Matthias Arenz, Gustav K.H. Wiberg, Electrochemistry Communications, 53, 2015, 41–44
38. Evaluation of structural changes of HT-PEFC electrodes from in-situ synchrotron X-ray radiographs, D. Froning, W. Maier, J. Groß, T. Arlt, W. Lehnert, D. Stolten, J. Hydrogen Energie 39 (2014) 9447-9456
39. Accelerated degradation of high-temperature polymer electrolyte fuel cells – discussion and empirical modeling, U. Reimer, B. Schumacher and W. Lehnert, Journal of The Electrochemical Society 162 (2015), F153-F164
40. meta-PBI/methylated PBI-OO blend membranes for acid doped HT PEMFC, Hyeongrae Cho, Eun Hur, Dirk Henkensmeier, Gisu Jeong, Eunae Cho, Hyoung Juhn Kim, Jong Hyun Jang, Kwan-Young Lee, Hans Aage Hjuler, Qingfeng Li, Jens Oluf Jensen, Lars Nielausen Cleemann, Europ. Polym. J., 2014, 58, 135-143.
41. 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; Li, Qingfeng. ChemSusChem, (2014) 7 (8), 2099-2103
42. Hollow Spheres of Iron Carbide Nanoparticles Encased in Graphitic Layers as Oxygen Reduction Catalysts, Y. Hu, Q.F. Li, J. O. Jensen, W. Zhang, L. N. Cleemann, W. Xing, and N. J. Bjerrum,  Angew. Chem. Int. Ed. (VIP) (2014), 53, 3675 –3679
43. Fe₃C-based Oxygen Reduction Catalysts: Synthesis, Hollow Spherical Structures and Applications in Fuel Cells, Y. Hu, J.O. Jensen, W. Zhang, S. Martin, R. Chenitz, C. Pan, W. Xing, N.J. Bjerrum and Q. Li, Journal of Materials Chemistry A, Vol 3 (2015),  1752-1760.
44. The electrochemical behaviour of phosphoric acid doped poly(perfluorosulfonic acid) membranes, D. Aili, R.F. Savinell, J.O. Jensen, L.N. Cleemann, N.J. Bjerrum and Q.F. Li, ChemElectroChem, Vol. 1, 2014, 1471-1475.

(B) Publication list B: theses, monographs, books and book chapters

1. High Temperature Polymer Electrolyte Fuel Cells - Approaches, Status and Perspectives, ed. J.O.Jensen, H.A. Hjuler, D. Aili and Q. Li, in editing, Springer (2015) 
2. (Book chapter) Acid–Base Chemistry and Proton Conductivity, Li, Qingfeng; Aili, David; Savinell, Robert F.; Jensen, Jens Oluf, in High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen.: Springer, 2016. p. 37-57.
3. (Book chapter) Durability Issues and Status of PBI-Based Fuel Cells. Jakobsen, Mark Tonny Dalsgaard; Jensen, Jens Oluf; Cleemann, Lars Nilausen; Li, Qingfeng, in High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. p. 487-509.
4. (Book chapter) Introduction, by Jensen, Jens Oluf; Hjuler, Hans Aage; Aili, David; Li, Qingfeng, in High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. p. 1-4.
5. (Book chapter) Polybenzimidazole Membranes by Post Acid Doping, by Aili, David; Jensen, Jens Oluf; Li, Qingfeng. In High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. p. 195-215.
6. (Book chapter) Techniques for PBI membrane characterization, D. Henkensmeier and D. Aili, In High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. p. 127-150.
7. (Book chapter) Synthesis of Polybenzimidazoles, J.S.Yang, H.R. He and D. Aili, In High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. p. 151-168.
8. (Book chapter) Phosphoric acid and its interactions with polybenzimidazole type polymers, C. Korte, F. Conti, J. Wackerl,W. Lehnert, In High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. p. 169-194.
9. (Book chapter) Stack concepts for high temperature polymer electrolyte membrane fuel cells, H. Janßen, J. Supra, W. Lehnert, In High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. P. 441-458.
10. (Book chapter) High Temperature PEM Fuel Cell Systems, Control and Diagnostics, S. A. Andreasen, S.K. Kær, K. K. Justesen, S. L. Sahlin, In High Temperature Polymer Electrolyte Membrane Fuel Cells: Approaches, Status, and Perspectives. ed. Qingfeng Li; David Aili; Hans Aage Hjuler; Jens Oluf Jensen. Switzerland : Springer, 2016. P. 459-486.
11. Advanced membrane materials for PEMFCs, David Aili, Jens Oluf Jensen and Qingfeng Li, in Advanced Materials and Technologies for Electrochemical Energy, Chapter 5.4 , eds. P.K. Shen, C.Y. Wang, X.L. Sun, J.J. Zhang and S.P. Jiang, CRC publisher (2014)
12. Polymers for Fuel Cells, D. Aili, J. O. Jensen1 and Q. Li, in Encyclopedia of Polymeric Nanomaterials, eds. Shiro Kobayashi and Klaus Müllen, Essay 382482, ISBN 978-3-642-29647-5, in two volumes, Springer (2015)

(C) Publication list C: Oral presentations, Posters, Proceedings, Patents, etc.

1. Lifetime and applications of PEMFC; HT-PEM Summer School, Genrofte, Denmark, 24-28 August 2015
2. Diagnosis of CO Pollution in HTPEM Fuel Cell using Statistical Change Detection, 9th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Pro-cesses SAFEPROCESS 2015, 2nd September 2015 Paris, France.
3. INVESTIGATING THE EFFECT OF WATER VAPOR AND RESIDUAL METHANOL ON THE ANODE OF HIGH TEMPERATURE PEM FUEL CELL” presented at European Fuel Cell Technology & Applications Conference - Piero Lunghi Conference December 16-18, 2015, Naples, Italy.
4. Fuel cell characterization using current pulse injection, Fuel Cells Science and Technology 2016, 13th April 2016 Glasgow, Scotland.
5. Diagnosis of CO Pollution in HTPEM Fuel Cell using Statistical Change Detection, 9th IFAC Symposium on Fault Detection, Supervision and Safety for Technical Pro-cesses SAFEPROCESS 2015, 2nd September 2015 Paris, France.
6. Fuel Cell Equivalent Electric Circuit Parameter Mapping, 4th CARISMA confer-ence 2014, Cape Town, South Africa.
7. S.M. Andersen, oral presentation at Electrochemical Society (ECS) biannual meeting 2015 Spring “Understanding on Electrode Structure of Proton Exchange Membrane Fuel Cells”
8. KR 10-2015-0055518, Dirk Henkensmeier*, Jong Hyun Jang, Hyoung-Juhn Kim, Jin-Young Kim, Song-Pil Yoon, Jonghee Han, Suk-Woo Nam, Ngoc My Hanh Duong, Artur Michalak, Karol Dyduch, Mateusz Brela, 5-(2,6-dioxy-phenyl)tetrazole containing polymer, membrane, electrochemical device including the same and method for preparing the same.
9. Durability Issues and Status of HT-PEM Based on Acid Doped Polybenzimidazoles, M. T. D. Jakobsen, J. O. Jensen, L. N. Cleemann and Q.F. Li, Invited talk at Symposium of CISTEM in association with Hydrogen Days 2016, April 6-8 2016, Prague, Czech Republic
10. Iron Carbide Nanoparticles Encased in Graphitic Layers as Oxygen Reduction Catalysts for Fuel Cells, Qingfeng Li, Yang Hu, Lijie Zhong, Lars N. Cleemann, and Jens Oluf Jensen, Invited talk at Curtin-QU workshop on Nanostructured Electromaterials for Energy, 18-19 January 2016, Perth, Australia
11. Acid-base Chemistry and Proton Conductivity of High Temperature Polymer Electrolytes, Qingfeng Li, David Aili, Lars N Cleemann, Jens Oluf Jensen, Invited talk at International Conference on Innovative Electrochemical Energy Materials and Technologies (EEMT2015) Nanning, China November 8－11, 2015
12. Carbon Thin-layer Encapsulated Fe-N-C as Active Catalysts for Oxygen Reduction, Lijie Zhong, Chao Pan, Yang Hu, Jens Oluf Jensen, Lars N. Cleemann and Qingfeng Li, Oral presentation at International Conference on Innovative Electrochemical Energy Materials and Technologies (EEMT2015) Nanning, China November 8－11, 2015
13. Preparation and Operation of Gas Diffusion Electrodes for Polymer Electrolyte Membrane Fuel Cells, Qingfeng Li, Santiago Martin, Jens Oluf Jensen, Lars N. Cleemann, oral presentation at the EERA-FCH2_SP2_2nd Workshop, Risø, Denmark, 21 May 2015
14. Intermediate temperature ionic conductors for fuel cells and electrolysers, Qingfeng Li, Invited talk at CNR workshop on Next Generation Energy Storage Technologies, Taormina, Italy, 01-04 December 2015
15. Selected Materials for PEMFC – New Insight and Progress, Qingfeng Li, Talk at Wuhan University, 07. May 2015
16. HT-PEM in Denmark: Durability Issues and Recent Progress of PBI Cells, Qingfeng Li, Talk at Wuhan University of Science and Technology, 09. May 2015.
17. Renewable Energy and Hydrogen: Status, Perspectives and Nordic Activities, Qingfeng Li, Talk at China University of Geosciences Wuhan, 04. May 2015
18. Proton Conducting Fuel Cells Where Electrochemistry Meets Material Science, Qingfeng Li, DTU Professor inaugural lecture, 17th April 2015
19. Proton Conductors for Electrolysis, Qingfeng Li, Invited talk at workshop on Manufacturing Green Fuels from Renewable Energy, April 14-16, 2015, Risø, Denmark
20. Iron carbide nanoparticles encapsulated by graphitic layers as ORR catalysts, Invited talk at the MRS Spring Meeting, 6-10 April 2015, San Francisco, California
21. High Temperature Durable Membranes for Fuel Cells, Qingfeng Li, Jens Oluf Jensen, Santiago Martin, David Aili and Lars N. Cleemann, invited talk at Asilomar 2015, Advances in Polymers for Fuel Cells and Energy Devices, February 8-11, 2015, Asilomar Conference Grounds, Pacific Grove, California USA
22. Jeppesen, M. Blanke, F. Zhou, S.J. Andreasen, “Statistical change detection of small CO concentration variations in HTPEM fuel cell anode gas”, Paper submitted to the 9th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes
23. C. Jeppesen, F. Zhou, S.J. Andreasen, “Fuel Cell Equivalent Electric Circuit Mapping”, poster at CARISMA 2015, Cape Town, South Africa, 1-3 December 2014.
24. S.J. Andreasen “Performance testing of liquid cooled 5kW High Temperature PEM fuel cell stack”, Oral presentation CARISMA 2015, Cape Town, South Africa, 1-3 December 2014.
25. Membrane Electrode Assembly development for HT-PEM fuel cells, T. Steenberg, H. A. Hjuler, C. Terkelsen, J. O. Jensen and Q. Li, 20th World Hydrogen Energy Conference, KDJ Convention Centre, Gwangju Metropolitan City, Korea. June 15-20, 2014.
26. Preparation and characterisation of sulphonated composite PBI-TiO₂membranes for high temperature PEMFCs, J. Bajo, M. A. Rodrigo, S. Mateo, S. Molina, H. Zamora, H. R. Garcia, and H. A. Hjuler. European Hydrogen Energy Conference 2014, Seville, Spain. Proceedings FCC6-6, p. 345, March 2014.
27. Optimization of HT-PEM fuel cells, H. A. Hjuler, H. R. Garcia, T. Steenberg, Q. Li, J. Jensen, L. N. Cleemann, Symposium CC: Materials for electrochemical energy conversion - from modular to large-scale energy generation and storage, E-MRS 2014 Spring Meeting, Lille, France. May 26-30, 2014.
28. High Temperature Polymer Fuel Cells: Development and Production, H. A. Hjuler and T. Steenberg, Middle East Technical University (METU), Ankara, Turkey. September 3, 2014.
29. High Temperature Polymer Fuel Cells: Status on Development and Production, H. A. Hjuler and C. Terkelsen, IEA meeting, KIST, Seoul. June 13-14, 2014.
30. High Temperature Polymer Fuel Cells: From the laboratory towards commercialization, T. Steenberg and H.A.Hjuler, Fuel Cell TES Seminar, DTU Mechanical Engineering, Section Thermal Energy, DTU. April 7, 2014.
31. Heidi Rask Frøkiær, Durable catalyst support for HT-PEMFC, poster presentation, ENERGY AND ENVIRONMENT FOR THE FUTURE conference organized by innovation found, Copenhagen.
32. A. Holten et al. Poster presentation at HyFC Academia PhD workshop held at KU in 2014.
33. D. Froning, W. Maier, T. Arlt, I. Manke, W. Lehnert, Evaluation of the crack structure of HT-PEFC electrodes from in-situ synchrotron radiographs, 11th Symposium on Fuel Cell and Battery Modeling and Experimental Validation (ModVal 11), March 17th – 19th, 2014, Winterthur, Switzerland
34. W. Lehnert, W. Maier, D. Froning, T.Arlt, I.Manke, Challenges in HT-PEFC MEA development, 14th Ulm Electrochemical Talks (UECT), Ulm, Germany June 23-26, 2014
35. U. Reimer, B. Schumacher and W. Lehnert; Modeling of degradation in the high current regime of HT-PEFCs, 11th Symposium on Fuel Cell and Battery Modeling and Experimental Validation, Wintherthur/ Switzerland, March 17-19, 2014
36. High Temperature PBI based PEMFC – Status, Challenges and Recent Progress (Keynote talk), Q. Li, J. O. Jensen and L.N. Cleemann, International Conference on Electrochemical Energy Science and Technology, Donghua University, Shanghai, China, Oct. 21-Nov 4, 2014.
37. High Temperature PBI based PEMFC – Status, Challenges and Recent Progress (Keynote talk), Q. Li, J. O. Jensen and L.N. Cleemann, International Conference on Electrochemical Energy Science and Technology, Donghua University, Shanghai, China, Oct. 21-Nov 4, 2014.
38. Membrane Electrode Assembly development for HT-PEM fuel cells, T. Steenberg, H. A. Hjuler, C. Terkelsen, J. O. Jensen and Q. Li, Oral presentation at 20th World Hydrogen Energy Conference, 15-20 June 2014, KDJ Convention Centre, Gwangju Metropolitan City, Korea
39. Nitrogen-free Non-precious Metal Catalyst for Oxygen Reduction based on Iron Carbide Nanoparticles Confined in Curved Carbon Nanotubes, Q. Li, Y. Hu, J. O. Jensen, W. Zhang, L. N. Cleemann, N. J. Bjerrum, Inter. Conferences Mater. & Techn. (CIMTEC 2014), 6th Forum on New Mater., June 15-20, 2014, Montecatini Terme, Italy.
40. Malfunction of Acid Doped Poly(perfluorosulfonic acid) Membranes in Fuel Cells – What Can We Learn from It? Q. Li, D. Aili, J. O. Jensen, R. F. Savinell, L. N Cleemann and N. J. Bjerrum, Invited talk, 17th Solid State Protonic Conductors September 14-19, 2014, Seoul, Korea
41. What is the ideal working temperature for proton conductors? J. O. Jensen, S. Martin and Q. Li, Invited talk, submitted to 17th Solid State Protonic Conductors, September 14-19, 2014, Seoul, Korea
42. Non-platinum metla catalysts for low temperature fuel cells and electrolysers, Q.F. Li, J.O. Jensen, Y. Hu and N.J. Bjerrum, European patent applications no. 13172167.1. (DTU reference  95463 EP.), filed 21 June 2013.
43. Non-Precious Metal Catalysts for Low Temperature Fuel Cells, Q.F. Li, Lecture at Institute collegium, DTU Energy Conversion, 7th May 2013
44. Acid Doped Polymer Membranes as an Approach to High Temperature Proton Exchange Membrane Fuel Cells: Successes and Peculiarities (Keynote speech), Q. Li, D. Aili, J.O. Jensen, R. F. Savinell, L.N. Cleemann1, and N.J. Bjerrum, the 64th International Society of Electrochemistry, 8-12 Sept. 2013, Queretaro, Mexico.
45. Solid State Proton Conducting Materials for Intermediate Temperature Fuel Cells and Electrolysers (Invited speech), Q.F Li, J. O. Jensen, Y.J. Huang, E. Christensen, L.N. Cleemann and N.J. Bjerrum, International Conference on Electrochemical Materials and Technologies for Clean Sustainable Energy, 5-9 July 2013, Guangzhou, China.