Solid polyelectrolyte fuel cell

Details Solid polyelectrolyte fuel cell Solid polyelectrolyte fuel cell

H - Electricity

01

M

H01M 8/10 (2006.01)

Patent

CA 2536731

Provided is a solid polyelectrolyte fuel cell capable of suppressing a gas leak between a fuel electrode film side and an oxide electrode film side by suppressing deterioration of a solid polyelectrolyte film on its peripheral side. A solid polyelectrolyte fuel cell (10) includes: a cell in which electrode films (12, 13) are provided on one side and the other side of a solid polyelectrolyte film (11), respectively a first gas diffusion layer (14) provided so as to cover the electrode film (12) on one side of the cell; a second gas diffusion layer (15) provided so as to cover the electrode film (13) on the other side of the cell; and separators (16) provided on the one side and the other side of the cell, respectively, with the gas diffusion layers (14, 15) interposed therebetween. The solid polyelectrolyte fuel cell (10) includes: first insulating layers (18) which are provided between the solid polyelectrolyte film (11) of the cell and the gas diffusion layers (14, 15) and have electrical insulating propertie; and second insulating layers (19) which are provided on peripheral edges of the gas diffusion layers (14, 15) and have electrical insulating properties.

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