Fuel cell

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2664762

A fuel cell comprising a membrane-electrode assembly (1) obtained by arranging an oxidizing agent electrode and a fuel electrode on the opposite sides of an electrolyte layer. A diaphragm (32) generating sound waves is arranged so as to face the oxidizing agent electrode through a gas channel (30). The diaphragm (32) is shaped to have one or more holes (34). The gas is transferred by an acoustic flow generated in the gas channel (30) through vibration of the v diaphragm (32) and reflection on the surface of the oxidizing agent electrode.

La présente invention concerne une pile à combustible comprenant un ensemble membrane - électrode (1) obtenu en disposant une électrode d'agent oxydant et une électrode de combustible sur les côtés opposés d'une couche électrolytique. Un diaphragme (32) générant des ondes sonores est disposé de manière à faire face à l'électrode d'agent oxydant à travers un canal gazeux (30). Le diaphragme (32) est formé de manière à comporter un ou plusieurs trous (34). Le gaz est transféré par un flux acoustique généré dans le canal gazeux (30) au moyen d'une vibration du diaphragme (32) et de la réflexion sur la surface de l'électrode d'agent oxydant.

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