NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME

NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE SAME

PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte effective to suppress generation of gas when stored at high temperature in a charging state and improve cycle characteristics. SOLUTION: The nonaqueous electrolyte contains a compound expressed by the general formula 1-1, where four or more o...

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Bibliographische Detailangaben
Hauptverfasser: KOTADO MINORU, OHASHI YOICHI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte effective to suppress generation of gas when stored at high temperature in a charging state and improve cycle characteristics. SOLUTION: The nonaqueous electrolyte contains a compound expressed by the general formula 1-1, where four or more of X1to X6are fluorine atoms, and the remainder is one of a hydrogen atom, alkyl having a fluorine atom, alkyl, alkenyl and alkynyl, or where three or less of X1to X6are fluorine atoms, and at least one of the remainder is alkyl having a fluorine atom particularly in case of one fluorine atom or less. COPYRIGHT: (C)2011,JPO&INPIT