LITHIUM SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE FOR USE IN THE SAME

The present invention relates to a nonaqueous electrolyte for secondary battery which at least comprises a nonaqueous solvent and a lithium salt, wherein the nonaqueous electrolyte contains at least one specific further compound in an amount of 10 ppm or more of the whole nonaqueous electrolyte, and...

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Bibliographische Detailangaben
Hauptverfasser:	OSHIMA, Hiroyuki, YOKOMIZO, Masakazu, MATSUMOTO, Hitoshi, KOTATO, Minoru, KATO, Ryoichi, SUZUKI, Hitoshi, MIYAGI, Hidekazu, NAKAJIMA, Takayuki, UONO, Hiroyuki, SATOU, Tomohiro
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The present invention relates to a nonaqueous electrolyte for secondary battery which at least comprises a nonaqueous solvent and a lithium salt, wherein the nonaqueous electrolyte contains at least one specific further compound in an amount of 10 ppm or more of the whole nonaqueous electrolyte, and wherein the nonaqueous electrolyte satisfies the requirement of the following electrolyte [7]:electrolyte [7]: the electrolyte contains vinylene carbonate and the content of the vinylene carbonate is in the range of from 0.001% by mass to 3% by mass based on the whole electrolyte.