Lithium secondary battery

H - Electricity – 01 – M

Patent

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Details

H01M 10/26 (2006.01) H01M 4/02 (2006.01) H01M 4/62 (2006.01) H01M 4/58 (2006.01) H01M 10/40 (2006.01)

Patent

CA 2266985

The present invention provides a lithium secondary battery including a positive electrode, a negative electrode including a carbon material as a lithium ion occluding agent and a polymeric electrolyte film also serving as a separator, in which the positive electrode and the negative electrode include a polymeric electrolyte of a complex including a block copolymer of polystyrene and poly(ethylene oxide) and a lithium salt. Thus, the lithium secondary battery including a polymeric electrolyte film can be improved to attain a large capacity as well as a good charge-discharge performance.

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