NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide excellent cycle characteristics and output characteristics in a nonaqueous electrolyte secondary battery.SOLUTION: In a nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte including a solvent and...

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Bibliographische Detailangaben
Hauptverfasser:	YAMAMOTO HIDEKAZU, SUNANO TAIZO, SUEHIRO YUKI
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide excellent cycle characteristics and output characteristics in a nonaqueous electrolyte secondary battery.SOLUTION: In a nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte including a solvent and a solute, a fluorinated compound represented by the following general formula and a chain carboxylic acid ester are included as the nonaqueous electrolyte, and the content ratio of the fluorinated compound in the solvent is in the rage of 5-30 vol.%. (In the formula, R1 represents a fluorinated alkyl group or alkoxy group, and R2 represents a methyl group.)