Gas diffusion electrodes and the production thereof

Details Gas diffusion electrodes and the production thereof Gas diffusion electrodes and the production thereof

H - Electricity

01

M

H01M 4/96 (2006.01) C04B 35/524 (2006.01) C04B 38/00 (2006.01)

Patent

CA 2310437

The invention relates to thin, flat, porous gas diffusion electrodes comprised of carbon which have a smooth surface and whose porosity can be adjusted according to choice. The inventive electrodes are obtained by pyrolysis of a composite out of an organic aerogel or xerogel and a reinforcing skeleton which is completely or partially comprised of organic material.

L'invention concerne des électrodes de séparation par diffusion gazeuse. Ces électrodes en carbone sont minces, plates et poreuses. Elles ont une surface lisse et leur porosité peut être réglée à volonté. Elles sont produites par pyrolyse d'un composite contenant un aérogel ou un xérogel organique et un squelette de renforcement constitué d'une matière entièrement ou partiellement organique.

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