| 摘要 |
A non-aqueous electrolyte includes (i) a compound having an S═O group; (ii) a mixed organic solvent containing a carbonate and an ester compound; and (iii) an electrolyte salt, wherein the compound having an S═O group is at least one compound selected from the group consisting of cyclic sulfite, saturated sultone, unsaturated sultone, and non-cyclic sulfone. Also, an electrochemical device includes a cathode, an anode and the above non-aqueous electrolyte.
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