Direct methanol fuel cell (dmfc)

Details Direct methanol fuel cell (dmfc) Direct methanol fuel cell (dmfc)

H - Electricity

01

M

H01M 8/10 (2006.01) H01M 8/04 (2006.01)

Patent

CA 2259195

The invention concerns a DMFC in which an evaporator (4) is provided upstream of the cell (5). The fuel, which is mainly a mixture of methanol and water, possibly with an inert gas added, is of variable composition, the respective mixture of methanol/water and possibly inert gas being adjustable in dependence on the load. The invention also concerns a method of operating a DMFC plant wherein the fuel is present in gaseous form in the anode region.

L'invention concerne une pile à combustible directe au méthanol (5) en amont de laquelle est monté un évaporateur (4). Le combustible, qui est principalement un mélange de méthanol et d'eau, auquel est éventuellement ajouté un gaz inerte, est d'une composition variable, ledit mélange d'eau et de méthanol contenant éventuellement un gaz inerte pouvant chaque fois être réglé en fonction de la charge. L'invention concerne également un procédé permettant de faire fonctionner une installation pourvue d'une telle pile, dans laquelle le combustible est présent sous forme de gaz dans la région de l'anode.

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