Nonaqueous electrolyte secondary battery

Details Nonaqueous electrolyte secondary battery Nonaqueous electrolyte secondary battery

H - Electricity

01

M

H01M 10/40 (2006.01) H01M 4/50 (2006.01) H01M 4/52 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2055305

A nonaqueous electrolyte secondary battery which comprises a negative electrode which comprises a carbonaceous material capable of doping and de-doping lithium, a positive electrode made of an active material which comprises a Li-containing metal complex oxide of the general formula, Li x MO2, wherein M represents at least one member selected from the group consisting of Co, Ni and Mn and 0.5 ~ x ~ 1, and a nonaqueous electrolyte which contains an electrolyte and an organic solvent therefor. The organic solvent is a mixed solvent of propylene carbonate and at least one member selected from the group consisting of diethyl carbonate and dipropyl carbonate.

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