发明申请
US20100190065A1 ELECTROLYTE AND SECONDARY BATTERY 有权
电解质和二次电池

ELECTROLYTE AND SECONDARY BATTERY
摘要:
An electrolyte contains a solvent and an electrolyte salt. The solvent contains an organic acid and a sulfone compound in combination. The organic acid has a moiety containing an electron-withdrawing group such as a carbonyl group (—C(═O)—) or a sulfonyl group (—S(═O)2—) in the center and hydroxyl groups (—OH) at both ends. The sulfone compound is a cyclic compound having a disulfonic anhydride group (—(O═)2S—O—S(═O)2—) or a carboxylic-sulfonic anhydride group (—(O═)2S—O—C(═O)—).
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