Material for negative electrode of lithium secondary...

Details Material for negative electrode of lithium secondary... Material for negative electrode of lithium secondary...

C - Chemistry, Metallurgy

01

B

C01B 31/02 (2006.01) H01M 4/02 (2006.01) H01M 4/58 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2238286

A carbon material for a lithium secondary battery, in which the edge parts of the crystals of a carbon material which is the core material of the cathode material are partially or entirely coated with a carbon material and the crystals have nearly spherical or elliptic shapes. There are also provided a process for manufacturing the carbon material, and a lithium secondary battery using the carbon material as a component.

L'invention concerne un matériau carboné destiné à un accumulateur au lithium, dans lequel les bords des cristaux du matériau carboné qui constitue le noyau de la cathode sont partiellement ou totalement recouverts d'un matériau carboné, et où les cristaux ont une forme quasiment sphérique ou elliptique. Elle concerne également un procédé de fabrication du matériau carboné et un accumulateur au lithium contenant ledit matériau.

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