In situ regeneration of the Ni-based catalytic reformer of a 5 kW PEMFC system |
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Authors: | Christophe Lombard,Stephane Le Doze,Eric Marencak,Paul-Marie Marquaire,David Le Noc,Gré gory Bertrand,Franç ois Lapicque |
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Affiliation: | 1. Laboratoire des Sciences du Génie Chimique, Département de Chimie Physique des Réactions, CNRS - ENSIC, 1 rue Grandville, BP 451, F-54001, Nancy Cedex, France;2. Gaz de France, Division de la Recherche, 361 avenue du Président Wilson, BP 33, F-93211, Saint Denis La Plaine, France |
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Abstract: | The paper reports the results of on-site regeneration catalytic bed of the natural gas reformer in a 5 kW PEM fuel cell system. The Ni catalyst previously poisoned by sulphur from the available natural gas, could be re-activated by injection of pure water steam, following the method developed for industrial reformers using the same metal catalyst: this method was shown to be perfectly efficient, provided no natural gas was fed during the operation. Results of the tests conducted are presented and discussed in relation to published data on S-sorption on Ni surfaces. |
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Keywords: | Fuel cell systems Steam reforming Nickel surfaces Sulphur poisoning Catalyst regeneration |
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