H - Electricity – 01 – M
Patent
H - Electricity
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M
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H01M 8/02 (2006.01) H01M 8/24 (2006.01) H01M 8/14 (2006.01)
Patent
CA 1237765
FUEL CELL SEPARATOR WITH COMPRESSIBLE SEALING FLANGES ABSTRACT OF THE DISCLOSURE A separator for separating adjacent fuel cells in a stack of such cells includes a flat, rectangular, gas-impermeable plate disposed between adjacent cells and having two opposite side margins thereof folded back over one side of the plate to form two first seal flanges and having the other side margins thereof folded back over the opposite side of the plate to form two second seal flanges, each of the seal flanges cooperating with the plate to define a channel in which is disposed a resiliently compressible stack of thin metal sheets. The two first seal flanges cooperate with the electrolyte matrix of one of the cells to form a gas-impermeable seal between an electrode of the one cell and one of two reactant gas manifolds. The second seal flanges cooperate with the electrolyte matrix of the other cell for forming a gas-impermeable seal between an electrode of the other cell and the other of the two reactant gas manifolds. The seal flanges cooperate with the associated compressible stacks of sheets for maintaining a spacing between the plate and the electrolyte matrices while accommodating variation of that spacing.
474874
Meredith & Finlayson
United States Of America (government Of The) United States Depar
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