Gas diffusion electrode manufacturing method and fuel cell

H - Electricity – 01 – M

Patent

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Details

H01M 4/88 (2006.01) C04B 35/00 (2006.01) C25B 11/00 (2006.01) H01M 4/86 (2006.01) H01M 8/00 (2006.01)

Patent

CA 2437559

A gas diffusion electrode is manufactured by preparing a slurry containing an electrically conductive powder, carbon fibers, organic fibers and a resin in specific proportions, forming the slurry into a sheet, and heating and drying the sheet. The electrode has the volume resistivity, thermal conductivity and gas permeability required for use in fuel cells, exhibits a flexibility conducive to continuous production, and does not break under the application of pressure during electrode production or fuel cell assembly.

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