NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK

A non-aqueous electrolyte secondary battery comprises an electrode assembly and an electrolyte solution. The electrode assembly is a wound-type electrode assembly or a stack-type electrode assembly each of which comprises a positive electrode plate having an active material layer. To the non-aqueous...

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Bibliographische Detailangaben
Hauptverfasser: NOMURA, Nao, NISHIDE, Daisuke, FUJITA, Hideaki
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A non-aqueous electrolyte secondary battery comprises an electrode assembly and an electrolyte solution. The electrode assembly is a wound-type electrode assembly or a stack-type electrode assembly each of which comprises a positive electrode plate having an active material layer. To the non-aqueous electrolyte secondary battery, a restraining pressure of 0.5 MPa or more is applied in a stacking direction of the positive electrode plates. The electrolyte solution includes LiFSO3, and the electrolyte solution has an electrical conductivity of 0.86 S/m or more at 25° C.