Nonaqueous electrolyte secondary battery and method for producing nonaqueous electrolyte secondary battery
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United States of America Patent
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Mar 13, 2018
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Oct 10, 2012
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Dec 7, 2011
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Abstract
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. A positive electrode charge potential is 3.7 V or less with respect to a lithium metal potential. The nonaqueous electrolyte includes a cyclic disulfone compound having a specific structure in an amount of 0.1 to 4.0% by mass based on a total mass of the nonaqueous electrolyte.
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