| 简介 |
PROBLEM TO BE SOLVED : To provide a lithium secondary battery which has high capacity, excellent service life, high output, and high safety with little gas generation even when enlarged.SOLUTION : The lithium secondary battery uses a nonaqueous electrolyte containing compounds of general formulae (2) and (3), a compound having an S-F bond, nitrate, nitrite, monofluorophosphate, acetate, and/or propionate. [In the general formula (2), Rto Rare each an organic group having 1-12 carbon atoms, x is an integer of 1-3, p, q, and r are each an integer of 0-3, and 1≤p+q+r≤3 is satisfied. In the general formula (3), Rto Rare each an organic group having 1-12 carbon atoms, and A is a group composed of H, C, N, O, F, S, Si, and/or P.] |
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