Mixed conductive carbon and electrode

H - Electricity – 01 – M

Patent

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Details

H01M 4/96 (2006.01) H01M 4/02 (2006.01) H01M 4/60 (2006.01) H01M 4/62 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2516729

An electrode having both of electronic conductivity and ionic conductivity is provided. An electrode provided with a mixed conductive carbon having electronic conductivity and ionic conductivity, the carbon containing an ion- dissociative group on the surface thereof. The use of a platelet-type or herringbone-type carbon fiber as the carbon material enables the introduction of ion-dissociative groups at a high density with continuity, whereby ion paths are effectively formed and an excellent ionic conductivity can be imparted, in addition to the electron conductivity inherent in the carbon fiber.

L'invention porte sur une électrode ayant à la fois une conductivité électronique et une conductivité ionique, et sur une électrode pourvue d'un carbone conducteur mixte ayant une conductivité électronique et une conductivité ionique, le carbone contenant un groupe de dissociation des ions sur sa surface. L'invention porte également sur l'utilisation d'une fibre de carbone de type plaquette ou de type en arête de poisson puisque le matériau de carbone permet l'introduction de groupes de dissociation des ions à une haute densité et en continuité. Les chemins des ions sont formés de manière efficace et une excellente conductivité ionique peut être ainsi conférée, en plus de la conductivité des électrons inhérente à la fibre de carbone.

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