Zobrazeno 1 - 10
of 155
pro vyhledávání: '"L. Jörissen"'
Publikováno v:
The Journal of Physical Chemistry C. 119:18859-18869
Motivated by the need for a better understanding of the oxygen reduction reaction (ORR) in high temperature proton exchange membrane fuel cells (HTPEM-FC), we have investigated the impact of anion adsorption on the ORR activity and selectivity for sm
Publikováno v:
Electrochemistry Communications, Vol 48, Iss, Pp 24-27 (2014)
The slow oxygen reduction reaction (ORR) in concentrated phosphoric acid remains a major technological challenge for future development of phosphoric acid fuel cells (PAFCs) as well as its congener the high-temperature proton exchange membrane fuel c
Akademický článek
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Publikováno v:
Fuel Cells. 7:70-77
Based on system tests, a model-aided system analysis tool is developed to model different types of fuel cell systems. In the experimental modeling approach, a model system which is general and flexible is parameterized on the basis of data measured f
Autor:
André Weber, J. Kaczerowski, R. Szolak, N. Lewald, Thomas Aicher, L. Jörissen, P. König, Ellen Ivers-Tiffée, M. Brendel
Publikováno v:
Journal of Power Sources. 145:327-335
A prototype PEMFC CHP-system (combined heat and power) for decentralised energy supply in domestic applications has been installed in the Fuel Cell Testing Laboratory at the Institut fur Werkstoffe der Elektrotechnik (IWE), Universitat Karlsruhe (TH)
Publikováno v:
Journal of Solid State Electrochemistry. 7:619-625
The electrocatalytic activities of different binary Pt-Ru(ox) catalysts have been investigated in half-cell experiments by cyclic voltammetry and stationary current–potential measurements. The materials have been prepared using a modification of th
Autor:
M. Becher, Viera Skakalova, X. Chen, V. Meregalli, Andreas Züttel, Miroslav Haluska, A. Quintel, L. Jörissen, M. Hulman, Patrick Bernier, Manfred M. Kappes, Y.-M Choi, M. Parrinello, U. Dettlaff-Weglikovska, R. Ströbel, J. Fink, I. Stepanek, S. Roth, Michael Hirscher
Publikováno v:
Comptes Rendus Physique, 4(9), 1055-1062. Elsevier Masson
Hydrogen storage in new nano-structured carbonic materials is a topic for lively discussion. The measured storage capacities of these materials, which have been announced in the literature during the last ten years are spread over an enormous range f
Akademický článek
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Publikováno v:
Journal of Power Sources. 105:305-310
Finely dispersed Pt- and Pt/Ru-particles have been deposited on high surface-area ruthenium dioxide (RuO2) using the Petrow and Allen method [U.S. Patent No. 4,044,193 (23 August 1977)]. RuO2 has been synthesized according to different preparation me
Autor:
Z. Jusys, Rolf Jürgen Behm, Thomas J. Schmidt, J Garche, K. Lasch, L. Jörissen, Laetitia Dubau
Publikováno v:
Journal of Power Sources. 105:297-304
The activity of unsupported ternary PtRuMeO x (Me=W, Mo, V) high surface area catalysts towards methanol oxidation under fuel cell relevant conditions, at constant potential and elevated temperature of 60 °C, was investigated by the thin-film electr