Carbon for a lithium secondary battery, a lithium secondary...

Details Carbon for a lithium secondary battery, a lithium secondary... Carbon for a lithium secondary battery, a lithium secondary...

H - Electricity

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H01M 10/04 (2006.01) C01B 31/02 (2006.01) C01B 31/08 (2006.01) H01M 4/02 (2006.01) H01M 4/04 (2006.01) H01M 4/58 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2250719

A method of manufacturing carbon for a lithium secondary battery comprising the first step of bringing dry-distilled charcoal into contact with a halogen gas to obtain halogenated dry-distilled charcoal, the second step of bringing the halogenated charcoal into contact with a thermally decomposable hydrocarbon to obtain preliminary pore adjusted charcoal, the third step of eliminating a part or all of the halogen from the preliminary pore adjusted charcoal to obtain dehalogenated charcoal, and the fourth step of bringing the preliminary pore adjusted charcoal into contact with a thermally decomposable hydrocarbon. Carbon for a lithium secondary battery manufactured by the method and a lithium secondary battery comprising this carbon.

Divulgation d'une méthode de production de carbone pour une pile secondaire au lithium, comprenant les étapes suivantes : 1) la mise en contact de charbon distillé à sec avec un halogène gazeux afin d'obtenir un charbon distillé à sec halogéné; 2) la mise en contact de ce charbon halogéné avec un hydrocarbure décomposable à la chaleur afin d'obtenir un charbon à pores préliminaires ajustés; 3) l'élimination d'une partie ou de la totalité de l'halogène du charbon à pores préliminaires ajustés, afin d'obtenir un charbon déshalogéné; et 4) la mise en contact de ce charbon à pores préliminaires ajustés avec un hydrocarbure décomposable à la chaleur. On divulgue le carbone pour une pile secondaire au lithium fabriqué par cette méthode et une pile secondaire au lithium renfermant ce carbone.

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