Current collector for electrochemical cells and...

H - Electricity – 01 – M

Patent

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Details

H01M 10/40 (2006.01) A47L 1/08 (2006.01) A47L 13/22 (2006.01) A47L 13/26 (2006.01) B05C 21/00 (2006.01) B05D 5/12 (2006.01) B43K 5/00 (2006.01) B43K 8/02 (2006.01) B43K 8/04 (2006.01) B43K 8/14 (2006.01) B43K 8/16 (2006.01) B43K 8/22 (2006.01) B43K 8/24 (2006.01) B43M 11/06 (2006.01) H01M 4/66 (2006.01) H01M 4/70 (2006.01)

Patent

CA 2511676

A current collector for polymer electrolyte thin film electrochemical cells and an electrochemical generator is disclosed. The current collector comprises a polymer substrate support film having a thickness of between 1 and 15 microns; a conductive metallic layer having a thickness of less than 3 microns, coated by metal vapor deposition onto at least one surface of the polymer substrate film; and a protective metal or metal oxide layer deposited onto the conductive metallic layer, having a thickness of between 5 and 500 nanometer and being electronically conductive.

L'invention concerne un collecteur de courant pour cellules électrochimiques à film mince d'électrolyte polymère, ainsi qu'un générateur électrochimique. Ce collecteur de courant comporte un film de support à substrat polymère présentant une épaisseur comprise entre 1 et 15 microns, une couche métallique conductrice ayant une épaisseur inférieure à 3 microns, formée par dépôt de valeur métallique sur au moins une surface du film à substrat polymère; et une couche protectrice de métal ou d'oxyde métallique déposée sur la couche métallique conductrice, possédant une épaisseur comprise entre 5 et 500 nanomètres et présentant une conductivité électronique.

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