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NON-AQUEOUS SECONDARY BATTERY HAVING ENHANCED DISCHARGE CAPACITY RETENTION AND NON-AQUEOUS ELECTROLYTIC SOLUTION FOR MANUFACTURING THE BATTERY
NON-AQUEOUS SECONDARY BATTERY HAVING ENHANCED DISCHARGE CAPACITY RETENTION AND NON-AQUEOUS ELECTROLYTIC SOLUTION FOR MANUFACTURING THE BATTERY
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机译:具有增强的放电容量保持能力的非水二次电池和用于制造电池的非水电解质溶液
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摘要
A discharge capacity retention of a non-aqueous secondary battery is enhanced by incorporating into its non-aqueous electrolytic solution a small amount of a substituted diphenyldisulfide derivative in which each of the diphenyl groups has a substituent such as alkoxy, alkenyloxy, alkynyloxy, cycloalkyloxy, aryloxy, acyloxy, alkanesulfonyloxy, arylsulfonyloxy, alkoxycarbonyloxy, aryloxycarbonyloxy, halogen, CF3, CCl3, or CBr3. Preferably, a small amount of methyl 2-propylcarbonate, 2-propynyl methanesulfonate, 1,3-propanesultone, divinylsulfone, 1,4-butanediol dimethanesulfonate or cyclohexylbenzene is further incorporated.
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