NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

The present disclosure provides a nonaqueous electrolyte secondary battery including: an electrode body having a positive electrode and a negative electrode; and a nonaqueous electrolyte. The positive electrode includes a lithium transition metal complex oxide, the negative electrode includes graphi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HANAZAKI, Ryo
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:The present disclosure provides a nonaqueous electrolyte secondary battery including: an electrode body having a positive electrode and a negative electrode; and a nonaqueous electrolyte. The positive electrode includes a lithium transition metal complex oxide, the negative electrode includes graphite particles and a Si-containing material, and the nonaqueous electrolyte includes fluoroethylene carbonate and a difluorophosphate. The ratio of the mass of the fluoroethylene carbonate to the mass of the Si-containing material is 0.2 or more.