Nonaqueous electrolyte secondary battery, battery assembly, and method of manufacturing the same
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United States of America Patent
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Feb 26, 2019
Grant Date -
Jan 25, 2018
app pub date -
Dec 23, 2015
filing date -
Dec 26, 2014
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Abstract
Provided is a method of manufacturing a nonaqueous electrolyte secondary battery, the method including: constructing a battery assembly by using a positive electrode containing N-methyl-2-pyrrolidone and a nonaqueous electrolytic solution containing an oxalato complex compound. In the method, the battery assembly is constructed such that a following expression of 0.000036≤B1/A1≤0.001048 is satisfied, where A1 (ppm) represents a content of N-methyl-2-pyrrolidone per unit mass of a positive electrode active material layer, and B1 (mol/kg) represents a content of the oxalato complex compound per unit mass of a negative electrode active material.
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