Nonaqueous electrolyte secondary battery and method of manufacturing the same, and separator for nonaqueous electrolyte secondary battery
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United States of America Patent
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Oct 31, 2017
Grant Date -
Feb 25, 2016
app pub date -
Aug 20, 2015
filing date -
Aug 21, 2014
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Abstract
A method of manufacturing a nonaqueous electrolyte secondary battery includes: preparing a separator substrate; forming a porous layer, which contains at least a fluorophosphate and a binder, on a surface of the separator substrate; preparing an electrode body by laminating a positive electrode and a negative electrode to face each other with a separator including the porous layer interposed therebetween, in which the separator is arranged such that the porous layer faces the positive electrode; preparing a battery assembly including the electrode body and a nonaqueous electrolyte; and charging the battery assembly at least once.
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