| Nanostructured precious metal catalysts for PEM fuel cells and hydrogen generators | |
Abstract/OtherAbstract
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VTT Symposium 244. Applied Material Research at VTT. Symposium on Applied Materials, Espoo, Finland, 8 June 2006. Ritschkoff, Anne-Christine, Koskinen, Jari & Paajanen, Mika (Eds.), 30 - 39, Fuel cells and hydrogen generators are important electrochemical energy conversion devices for future energy technology. Fuel cells convert pure hydrogen or other hydrogen rich fuel into DC electricity. In a hydrogen generator, the reaction is reversed and water is electrochemically split into hydrogen and oxygen. During the last decade, polymer electrolyte membrane (PEM) based components have played a key role in both fuel cell and hydrogen generator development. The major conversion loss in a PEM fuel cell takes place on the oxygen reduction cathode and in a PEM hydrogen generator on the oxygen evolution anode. Molecular modeling has been combined with experimental work in order to optimize nanostructured catalysts for both types of electrodes., Fuel cells and hydrogen generators are important electrochemical energy conversion devices for future energy technology. Fuel cells convert pure hydrogen or other hydrogen rich fuel into DC electricity. In a hydrogen generator, the reaction is reversed and water is electrochemically split into hydrogen and oxygen. During the last decade, polymer electrolyte membrane (PEM) based components have played a key role in both fuel cell and hydrogen generator development. The major conversion loss in a PEM fuel cell takes place on the oxygen reduction cathode and in a PEM hydrogen generator on the oxygen evolution anode. Molecular modeling has been combined with experimental work in order to optimize nanostructured catalysts for both types of electrodes. |
Authors
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Kauranen, Pertti, Puhakka, Eini, Bergelin, Mikael, Keskinen, Jari, Tapper, Unto, Eriksson, Jan-Erik, Valkiainen, Matti, Peltonen, Terttu, Rosenberg, Rolf, Reinikainen, Matti, Roozeman, Robert |
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Publisher : VTT Type : text Format : - |
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2006 |
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Languages : eng |
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