ELECTROLYTE SOLUTION, ELECTROCHEMICAL DEVICE, SECONDARY BATTERY, AND MODULE

The invention provides an electrolyte solution capable of providing an electrochemical device, such as a lithium secondary battery, or module that has a small IV resistance value (internal resistance) and excellent high-temperature storage performance. The electrolyte solution contains: a solvent th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAKATA, Hideo, YAMAZAKI, Shigeaki, TAKAHASHI, Kenzou, KINOSHITA, Shinichi, ARIMA, Hiroyuki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	The invention provides an electrolyte solution capable of providing an electrochemical device, such as a lithium secondary battery, or module that has a small IV resistance value (internal resistance) and excellent high-temperature storage performance. The electrolyte solution contains: a solvent that contains a fluorinated acyclic carbonate having a fluorine content of 33 to 70 mass%; at least one organosilicon compound selected from the group consisting of a compound represented by the formula (1): (R 11 ) n11 -M 11 -O-SiR 12 R 13 R 14 and a compound represented by the formula (2): R 21 R 22 R 23 -Si-F; a lithium salt (3) that contains an oxalato-complex as an anion; and a lithium salt (4) represented by the formula (4): Li z M 31 F x O y .