NONAQUEOUS ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES AND SECONDARY BATTERY PROVIDED WITH SAME

A phosphodiester salt is added to the electrolytic solution to form a nonaqueous electrolytic solution for a secondary battery. The nonaqueous electrolytic solution has excellent storage characteristics in a temperature load environment. Deterioration of the charge-discharge characteristics of the n...

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Bibliographische Detailangaben
Hauptverfasser: SAKAGUCHI Toshitaka, NISHIDA Tetsuo, KATSURA Yoshifumi
Format: Patent
Sprache:eng
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Zusammenfassung:A phosphodiester salt is added to the electrolytic solution to form a nonaqueous electrolytic solution for a secondary battery. The nonaqueous electrolytic solution has excellent storage characteristics in a temperature load environment. Deterioration of the charge-discharge characteristics of the nonaqueous electrolytic solution and increase in internal resistance of the nonaqueous electrolytic solution are suppressed during storage. A secondary battery having a positive electrode and a negative electrode makes use of this electrolytic solution.