Fuel cell system comprising a reformer and an afterburner

Details Fuel cell system comprising a reformer and an afterburner Fuel cell system comprising a reformer and an afterburner

H - Electricity

01

M

H01M 8/04 (2006.01) H01M 8/06 (2006.01)

Patent

CA 2657457

The invention relates to a fuel cell system (10) which comprises a reformer (12) having an oxidation zone (48) to which stored fuel can be supplied by means of a fuel supply device (50) for reaction with an oxidant; and an afterburner (36) having an oxidation zone (60) to which stored fuel can be supplied by means of a fuel supply device (62) for reaction with an oxidant. The invention is characterized in that the fuel supply device (50) of the reformer (12) and the fuel supply device (62) of the afterburner (36) are adapted to supply fuel in such a manner that the fuel supplied by the fuel supply device (50) of the reformer differs from the fuel supplied by the fuel supply device (62) of the afterburner (36) with respect to the type of fuel and/or its state of aggregation and/or the temperature at which it is supplied. The invention also relates to a motor vehicle comprising said fuel cell system and to a method for operating said fuel cell system.

L'invention concerne un système de cellules électrochimiques (10) comportant un reformeur (12) présentant une zone d'oxydation (48) vers laquelle du combustible stocké peut être acheminé au moyen d'un dispositif d'acheminement de combustible (50) pour la réaction avec un agent oxydant; et un brûleur de postcombustion (36) présentant une zone d'oxydation (60) vers laquelle du combustible stocké peut être acheminé au moyen d'un dispositif d'acheminement de combustible (62) pour la réaction avec un agent oxydant. Selon l'invention, le dispositif d'acheminement de combustible (50) du reformeur (12) et le dispositif d'acheminement de combustible (62) du dispositif de post-combustion (36) sont conçus pour acheminer du combustible de telle manière que le combustible acheminé par le dispositif d'acheminement de combustible (50) du reformeur (12) diffère du combustible acheminé par le dispositif d'acheminement de combustible (62) du dispositif de post-combustion (36) en matière de type de combustible et/ou d'état d'agglomération et/ou de température d'acheminement. L'invention concerne également un véhicule comportant un tel système de cellules électrochimiques et un procédé d'utilisation d'un tel système de cellules électrochimiques.

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