Method for increasing reversible lithium intercalation...

Details Method for increasing reversible lithium intercalation... Method for increasing reversible lithium intercalation...

H - Electricity

01

M

H01M 4/02 (2006.01) H01M 4/04 (2006.01) H01M 4/58 (2006.01) H01M 4/96 (2006.01)

Patent

CA 2246694

Mechanical grinding of graphite, soft carbon coke, or hard carbon over the range of 20-80 hours produces carbon powders which may be incorporated into secondary lithium battery electrodes to yield improved reversible lithium intercalation capacity of up to about 708 mAh/g, thus approximating Li2C6, with irreversible intercalation of only about 328 mAh/g.

Le broyage mécanique de graphite, de coke de carbone tendre ou de carbone dur pendant 20 à 80 heures produit des poudres de carbone pouvant être incorporées dans des électrodes de batterie au lithium secondaire afin de produire une capacité d'intercalation de lithium réversible améliorée allant jusqu'à environ 708 mAh/g, approchant ainsi Li¿2?C¿6?, avec une intercalation irréversible de seulement environ 328 mAh/g.

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