Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

H - Electricity

01

M

H01M 4/38 (2006.01) C01G 45/00 (2006.01) C01G 53/00 (2006.01) H01M 4/48 (2006.01) H01M 4/50 (2006.01) H01M 10/24 (2006.01)

Patent

CA 2313855

A lithium secondary battery using lithium manganese oxide as an positive active material and excellent for charge and discharge cycle property. As an positive active material of lithium secondary battery, lithium manganese. oxide having a cubic spinel structure, in which the strength ratio (P2/P1 strength ratio) of the primary endothermal peak (P1) appearing around 950°C and the secondary endothermal peak (P2) appearing around 1100°C in differential thermal analysis is under 1, is used.

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