Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

H - Electricity

01

M

H01M 4/24 (2006.01) H01M 4/02 (2006.01) H01M 4/26 (2006.01) H01M 4/62 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2133277

ABSTRACT Provided is a lithium secondary battery excellent in initial charge/discharge characteristics and high in capacity comprising lithium-rechargeable cathode and anode and a nonaqueous electrolyte, wherein at least one of the cathode and the anode contains one of the following (A), (B) and (C): (A) a composite material comprising a carbon powder and a binder, which is treated with a silane coupling agent, (B) a composite material comprising a binder and a mixed carbon powder containing 70-99% by weight of a graphite powder and 30-1% by weight of a pseudo- graphitic carbon black, and (C) a composite material comprising a composite oxide powder of lithium and a transition metal, a conductive powder and a binder, which is treated with a silane coupling agent.

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