Fuel cell gas diffusion layer coating process and treated...

Details Fuel cell gas diffusion layer coating process and treated... Fuel cell gas diffusion layer coating process and treated...

H - Electricity

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M

H01M 4/88 (2006.01) D01F 11/14 (2006.01) H01M 4/86 (2006.01) H01M 4/96 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2464794

A method is provided for making a hydrophobic carbon fiber construction, such as a fuel cell gas diffusion layer, by electrophoretic deposition of a highly fluorinated polymer, which may be followed by sintering of the fluoropolymer. A hydrophobic carbon fiber construction is provided, such as a fuel cell gas diffusion layer, which is coated with a monolayer of particles of a highly fluorinated polymer, which may be sintered.

L'invention concerne un procédé de fabrication d'un article en fibre de carbone hydrophobe, tel qu'une couche de diffusion gazeuse pour pile à combustible, par dépôt électrophorétique d'un polymère hautement fluoré pouvant être suivi d'une étape de frittage du polymère fluoré. L'invention concerne également un article en fibre de carbone hydrophobe, tel qu'une couche de diffusion gazeuse pour pile à combustible, sur lequel est appliqué une seule couche de particules d'un polymère hautement fluoré pouvant être frittée.

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