NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY CELL AND NON-AQUEOUS LIQUID ELECTROLYTE ELECTRIC DOUBLE LAYER CAPACITOR

NON-AQUEOUS LIQUID ELECTROLYTE SECONDARY CELL AND NON-AQUEOUS LIQUID ELECTROLYTE ELECTRIC DOUBLE LAYER CAPACITOR

The present invention provides an additive for a non-aqueous electrolyte comprising a phosphazene derivative represented by the following formula (1): (PNR2)n wherein R represents a fluorine-containing substituent or fluorine, at least one of all R's is a fluorine-containing substituent, and n...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ENDO, Shigeki, OGINO, Takao, OTSUKI, Masashi
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 present invention provides an additive for a non-aqueous electrolyte comprising a phosphazene derivative represented by the following formula (1): (PNR2)n wherein R represents a fluorine-containing substituent or fluorine, at least one of all R's is a fluorine-containing substituent, and n represents 3 to 14. More particularly, the present invention provides a non-aqueous electrolyte secondary cell and a non-aqueous electrolyte electric double layer capacitor comprising the additive for a non-aqueous electrolyte which exhibit good low temperature characteristics, good resistance to deterioration, and good incombustibility, and accordingly are significantly high in safety.