H - Electricity – 01 – M
Patent
H - Electricity
01
M
319/19, 319/21
H01M 4/96 (2006.01) H01M 2/14 (2006.01) H01M 4/88 (2006.01) H01M 8/02 (2006.01)
Patent
CA 1273992
TITLE OF THE INVENTION: ELECTRODE SUBSTRATE PROVIDED WITH PERIPHERAL SEALERS FOR FUEL CELL AND PROCESS FOR PRODUCING THE SAME ABSTRACT OF THE DISCLOSURE: Disclosed herein are an electrode substrate provided with peripheral sealers for a fuel cell, comprising two porous and carbonaceous electrodes respectively provided with flow channels of the reactant gas, said elect- rodes being joined to the both surfaces of a separator via a flexible graphite sheet so that said flow channels in one of said electrodes are perpendicular to those in another said electrode and said separator having the extended part which extends beyond a periphery of said electrode which is parallel to said flow channels in said electrode and each peripheral sealer on the side of said electrode parallel to said flow channels therein, which comprises a gas impermeable and compact carbon material, said peripheral sealer being joined to said extended part of said separator via a flexible graphite sheet, the whole composite materials being formed into one body as carbon by calcination thereof under a reduced pressure and/or in an inert atmosphere, and a process for producing the electrode substrate for a fuel cell.
520995
Kaji Hisatsugu
Saitoh Kuniyuki
Goudreau Gage Dubuc
Kureha Kagaku Kogyo Kabushiki Kaisha
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