Patent ID: 8758956
Filing Date: 2014-06-24
Classification: H01M,Y02E

Abstract:
1. A distribution plate having a first face adapted to be brought into contact with a membrane for diffusing one of the gases used by a fuel cell, having a second face opposite said first face, said distribution plate having a given thickness and having a working section intended to be installed opposite an ion exchange membrane, comprising on the first face a groove forming a first distribution channel for one of the gases, said first distribution channel being approximately spread over the entire working section of said first face, wherein said distribution plate is formed from a structural support that does not conduct electricity, at least on the surface, and that is chemically inert, at least on the surface, in that said distribution plate comprises pins that penetrate into the structural support, the projection of said pins through said first face not intersecting said first channel, said pins being produced from a non-metallic material that conducts electricity, wherein the thickness of the distribution plate comprises an inner channel having a layout covering approximately the entire working section and not emerging either on the first face or on the second face in said working section, said inner channel being provided for the circulation of a coolant, and wherein the coolant is always in a liquid phase.