Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

H - Electricity

01

M

H01M 10/24 (2006.01) C01G 45/00 (2006.01) H01M 4/48 (2006.01) H01M 4/50 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2209531

The invention provides a lithium secondary battery, comprising a cathode (3) having a spinel-structured lithium-manganese complex oxide as the active material, which is characterized in that the particles of said spinel- structured lithium-manganese complex oxide are hollow, spherical secondary particles by sintering of primary particles, and said secondary particles have a mean particle size of from 1 to 5 micrometer and a specific surface area of from 2 to 10 m2/g. The lithium secondary battery has a high capacity and excellent charge- discharge cycle characteristics.

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