Reformer for a fuel cell system and method for operating...

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 8/02 (2006.01)

Patent

CA 2657502

The invention relates to a reformer (12) for a fuel cell system (10). Said reformer comprises an oxidation zone (48) to which stored fuel can be supplied by means of a primary fuel supply device (50; 62) for reaction with an oxidant; and a mixing zone (54), arranged downstream of the oxidation zone (48), to which stored fuel can be supplied by means of a secondary fuel supply device (56; 64) for mixing with substances originating from the oxidation zone (48). The invention is characterized in that the primary fuel supply device (50; 62) and the secondary fuel supply device (56; 64) are adapted to supply fuel in such a manner that the fuel supplied by the primary fuel supply device (50; 62) differs from the fuel supplied by the secondary fuel supply device (56; 64) with respect to the type of fuel and/or its state of aggregation and/or the pressure and/or the temperature at which it is supplied. The invention also relates to a fuel cell system comprising said reformer, to a motor vehicle comprising said fuel cell system and to a method for operating said reformer (12).

L'invention concerne un reformeur (12) destiné à un système de cellules électrochimiques (10), comportant une zone d'oxydation (48) vers laquelle du combustible stocké peut être acheminé au moyen d'un dispositif d'acheminement de combustible primaire (50, 62) pour la réaction avec un agent oxydant; et une zone de mélange (54) disposée en aval de la zone d'oxydation (48), vers laquelle du combustible stocké peut être acheminé au moyen d'un dispositif d'acheminement de combustible secondaire (56, 64) pour le mélange avec des substances sortant de la zone d'oxydation (48). Selon l'invention, le dispositif d'acheminement de combustible primaire (50, 62) et le dispositif d'acheminement de combustible secondaire (56, 64) sont conçus pour acheminer du combustible de telle manière que le combustible acheminé par le dispositif d'acheminement de combustible primaire (50, 62) diffère du combustible acheminé par le dispositif d'acheminement de combustible secondaire (56, 64) en matière de type de combustible et/ou d'état d'agglomération et/ou de pression d'acheminement et/ou de température d'acheminement. L'invention concerne également un système de cellules électrochimiques comportant un tel reformeur, un véhicule comportant un tel système de cellules électrochimiques et un procédé d'utilisation d'un tel reformeur (12).

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