Non-aqueous electrolyte secondary battery and manufacturing method thereof
Abstract:
A non-aqueous electrolyte secondary battery according to the present invention includes a positive electrode, a negative electrode, and a non-aqueous electrolyte solution. The negative electrode includes a coating derived from lithium bis(oxalate)borate. The coating derived from lithium bis(oxalate)borate includes a coating containing boron element and a coating containing oxalate ion. A ratio of the boron element contained in the coating derived from lithium bis(oxalate)borate to the oxalate ion is equal to or more than 5. Accordingly, it is possible to provide a non-aqueous electrolyte secondary battery capable of reliably obtaining the effect due to the formation of a coating.
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