Densified edge seals for fuel cell components

Details Densified edge seals for fuel cell components Densified edge seals for fuel cell components

H - Electricity

01

M

319/19

H01M 8/02 (2006.01) H01M 4/86 (2006.01) H01M 8/24 (2006.01)

Patent

CA 1173896

DENSIFIED EDGE SEALS FOR FUEL CELL COMPONENTS ABSTRACT OF THE DISCLOSURE A porous fuel cell component, such as an electrode substrate, has a densified edge which forms an improved gas seal during operation when soaked with electrolyte. The edges are made from the same composition as the rest of the component and are made by compressing an increased thickness of this material along the edges during the fabrication process.

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