NON-AQUEOUS ELECTROLYTE SOLUTION AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME
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United States of America Patent
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Sep 13, 2017
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Mar 16, 2015
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Provided is a non-aqueous electrolyte solution that enables the fabrication of a non-aqueous secondary battery with which gas generation during battery use in high-temperature environments or with continuous charging is suppressed. Also provided is a non-aqueous electrolyte secondary battery that uses this non-aqueous electrolyte solution. The non-aqueous electrolyte solution is used in a non-aqueous electrolyte secondary battery that has a positive electrode having a positive electrode active material capable of absorbing and releasing a metal ion, and a negative electrode having a negative electrode active material capable of absorbing and releasing a metal ion, the non-aqueous electrolyte solution containing a compound represented by formula (1) and a nitrile compound in prescribed contents.
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