NONAQUEOUS ELECTROLYTE AND NONAQEUOUS ELECTROLYTE SECONDARY BATTERY

NONAQUEOUS ELECTROLYTE AND NONAQEUOUS ELECTROLYTE SECONDARY BATTERY

Provided are a nonaqueous electrolyte solution which makes it possible to further improve low temperature characteristics and high temperature storage characteristics; and a nonaqueous electrolyte secondary battery comprising such a nonaqueous electrolyte solution. The present nonaqueous electrolyte...

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Hauptverfasser: MORINAKA, Takayoshi, KAWABATA, Wataru, TAKAHASHI, Mikihiro, KAWAHARA, Kei
Format: Patent
Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator MORINAKA, Takayoshi
KAWABATA, Wataru
TAKAHASHI, Mikihiro
KAWAHARA, Kei
description Provided are a nonaqueous electrolyte solution which makes it possible to further improve low temperature characteristics and high temperature storage characteristics; and a nonaqueous electrolyte secondary battery comprising such a nonaqueous electrolyte solution. The present nonaqueous electrolyte solution comprises: (I) a first additive represented by the following formula [1], (II) at least one second additive selected from the group consisting of the compounds represented by the following formulae [2] to [5], difluoro(oxalato)borate, bis(oxalato)borate, tetrafluoro(oxalato)phosphate, difluorobis(oxalato)phosphate, tris(oxalato)phosphate, difluorophosphate, and fluorosulfonate, (III) a nonaqueous organic solvent, and (IV) a solute.        S i (R10) a (R11) 4-a     [5]
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title NONAQUEOUS ELECTROLYTE AND NONAQEUOUS ELECTROLYTE SECONDARY BATTERY
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