Carbon fibers for dual graphite batteries

H - Electricity – 01 – M

Patent

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Details

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

Patent

CA 2365630

The present invention provides a carbon material for use in a dual graphite battery. The carbon material includes a carbonaceous material having a Young's modulus of greater than 75MSI. Also provided by the present invention is a conductive carbon material for use in an energy storage system, wherein the carbon material includes a carbonaceous material selected from the group consisting essentially of a single conductive fiber, a multiplicity of conductive fibers, conductive fibers formed into a cloth, a carbon foam and a carbon mat in which the fibers are thermally fused together. Included in the invention is a carbon material or fiber having a crystallite surface calculated by 1/[(Lc/d002)+1] of less than or equal to 0.025 for anion intercalation, and a method for making stabilized unidirectional cloth by affixing a webbing to a carbonaceous material.

La présente invention concerne un matériau de carbone destiné à une batterie au graphite double. Ce matériau de carbone comprend une matériau carboné présentant un module de Young supérieur à 75MSI. Cette invention concerne également un matériau de carbone conducteur utilisé dans un système de stockage d'énergie, ce matériau de carbone comprenant un matériau carboné choisi dans le groupe constitué essentiellement par une fibre conductrice unique, une multitude de fibres conductrices, des fibres conductrices formant une toile, une mousse de carbone et un mat de carbone dans lequel les fibres sont fusionnées par voie thermique. L'invention se rapporte en outre à un matériau ou à une fibre de carbone présentant une surface cristallitique calculée par 1/[(Lc/d002)+1] inférieure ou égale à 0,025 en vue d'une intercalation anionique, ainsi qu'à un procédé de fabrication d'une toile unidirectionnelle stabilisée par fixation d'une matière tissée à ce matériau carboné.

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