Electrode and electrolyte composite for fuel cell, and...

H - Electricity – 01 – M

Patent

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Details

H01M 4/86 (2006.01) H01M 4/88 (2006.01) H01M 8/02 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2503158

An electrode (3) comprising a porous thermoplastic resin and a metal (3b) carried thereon three-dimensionally in the form of a matrix; an electrolyte composite which comprises an electrolyte film (1) and a pair of the electrodes (3), wherein the electrode (3) comprises a porous thermoplastic resin and a metal (3b) carried thereon three-dimensionally in the form of a matrix; a method for manufacturing the electrode (3), which comprises forming a metal coating film on the surface of a number of powdery particles (3a) comprising the thermoplastic resin through metal plating, followed by pressing; and a method for manufacturing the electrolyte composite, which comprises a step of preparing the electrode (3) by forming a metal coating film on the surface of a number of powdery particles (3a) comprising the thermoplastic resin through metal plating, followed by pressing, and then, a step of joining the electrolyte film (1) to one side of the electrode (3) through the mediation of a catalyst (2) and joining two of the resulting electrolyte film (1) to each other or of joining two electrodes (3) to both surfaces of the electrolyte film (1) through the mediation of a catalyst (2).

L'invention concerne un électrode (3) comprenant une résine thermoplastique poreuse et un métal (3b), porté par celle-ci sous forme de matrice tridimensionnelle ; un composite d'électrolyte qui comprend un film d'électrolyte (1) et deux électrodes (3). L'électrode (3) comprend une résine thermoplastique poreuse et un métal (3b), porté par celle-ci sous forme de matrice tridimensionnelle ; un procédé de fabrication de l'électrode (3), qui comporte les étapes consistant à former par placage métallique un film de revêtement métallique sur la surface de particules pulvérulentes (3a) comprenant la résine thermoplastique, et à presser celles-ci. L'invention concerne aussi un procédé de fabrication du composite d'électrolyte, qui comporte les étapes consistant à préparer l'électrode (3) en formant par placage métallique un film de revêtement métallique sur la surface de particules pulvérulentes (3a) comprenant la résine thermoplastique, et à presser celles-ci ; à lier ensuite le film d'électrolyte (1) à une face de l'électrode (3) au moyen d'un catalyseur (2) ; et à lier deux films d'électrolyte (1) obtenus, ou deux électrodes (3) aux deux faces du film d'électrolyte (1) au moyen d'un catalyseur (2).

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