Porous electrode substrate for an electrochemical fuel cell

Details Porous electrode substrate for an electrochemical fuel cell Porous electrode substrate for an electrochemical fuel cell

H - Electricity

01

M

H01M 4/96 (2006.01) H01M 4/86 (2006.01) H01M 8/02 (2006.01)

Patent

CA 2274975

A porous electrode substrate for an electrochemical fuel cell comprises at least one preformed web having low or poor electrical conductivity (e.g. having a through-plane resistivity of greater than 1 ohm.cm). The web contains an electrically conductive filler. A method for preparing a porous electrode substrate for an electrochemical fuel cell comprises the step of filling a preformed web, the web having low or poor electrical conductivity, with an electrically conductive filler.

Un substrat d'électrode poreux, destiné à une cellule électrochimique, comprend au moins une bande préformée ayant une conductivité électrique faible ou médiocre (par exemple ayant une résistivité en plan supérieure à 1 ohm/cm). La bande contient un matériau de remplissage conducteur. Selon un procédé permettant de préparer un substrat d'électrode poreux destiné à une cellule électrochimique, on remplit une bande préformée, ayant une conductivité électrique faible ou médiocre, avec un matériau de remplissage conducteur.

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