Current collector having a conductive primer layer

Details Current collector having a conductive primer layer Current collector having a conductive primer layer

H - Electricity

01

M

H01M 4/64 (2006.01) H01M 4/66 (2006.01)

Patent

CA 2193479

A current collector (16) which uses a conductive primer layer (18) under an electrode layer (21, 22) to improve the contact and adhesion of the electrode layer to a supporting member (17), wherein the conductive primer layer is composed of a polymeric material having pendant carboxylic acid groups crosslinked with a multifunctional crosslinking agent, and a conductive filler. The current collector may be used inter alia for making batteries.

Collecteur de courant (16) utilisant une couche d'amorce conductrice (18) sous une couche d'électrode (21, 22) pour améliorer le contact et l'adhérence de la couche d'électrode sur un élément de support (17), la couche d'amorce conductrice étant composée d'une matière polymère comportant des groupes d'acide carboxylique pendants réticulés avec un agent de réticulation multifonctionnel, et d'une charge conductrice. Ce collecteur de courant peut être utilisé, entre autres applications, dans la fabrication de batteries.

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