Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

H - Electricity

01

M

H01M 10/26 (2006.01) H01M 6/16 (2006.01) H01M 10/40 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2236561

A lithium secondary battery comprising a nonaqueous electrolyte obtained by dissolving an electrolytic salt in a solvent, a negative electrode comprising a negative electrode material and a positive electrode comprising a positive electrode active material, the electrolytic salt comprising: at least one electrolytic salt A selected from the group consisting of LiPF6, LiAsF6, LiSbF6, LiBF4, LiBiF4 , LiAlF4, LiGaF4, LiInF4 and LiC10 4, and at least one electrolytic salt B selected from the group consisting of LiN(C n F2m + SO2)2 wherein n is an integer of 1, 2, 3 or 4 and LiC(C m F2m + 1SO2)3 wherein m is an integer of 1, 2, 3 or 4. The battery is superior in the aspects of storage characteristic in a charged condition.

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