Separator for fuel cells

H - Electricity – 01 – M

Patent

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Details

H01M 8/02 (2006.01) C04B 35/52 (2006.01) C08J 5/20 (2006.01) C08K 3/04 (2006.01) H01M 2/16 (2006.01) C08L 23/12 (2006.01) C08L 27/12 (2006.01) C08L 47/00 (2006.01) C08L 61/06 (2006.01) C08L 63/00 (2006.01) C08L 83/00 (2006.01)

Patent

CA 2266631

A separator for fuel cells free of the problems inherent in the prior art, which is highly electrically conductive, exhibits a high gas-barrier property and a high strength, and can be easily produced. The separator comprises a molded article of an electrically conductive carbon powder and a high molecular compound, and is characterized in that the aspect ratio of the electrically conductive powder is from 4 to 60.

L'invention concerne un séparateur pour piles à combustible ne présentant pas les problèmes inhérents aux séparateurs antérieurs et qui est hautement conducteur d'électricité; le séparateur selon l'invention présente des propriétés importantes de barrière au gaz et une grande résistance et peut être facilement produit. Le séparateur comprend un article moulé formé d'une poudre de carbone conductrice d'électricité et d'un composé à poids moléculaire élevé, et se caractérise par le fait que le facteur de forme de la poudre conductrice d'électricité est compris entre 4 et 60.

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