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

An object of the present disclosure is to provide a nonaqueous electrolyte secondary battery resistant to the occurrence of electrode plate deformation which can cause an internal short circuit. A nonaqueous electrolyte secondary battery according to an example embodiment of the present disclosure i...

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Bibliographische Detailangaben
Hauptverfasser:	Kasamatsu, Shinji, Ichikawa, Yuta
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:	An object of the present disclosure is to provide a nonaqueous electrolyte secondary battery resistant to the occurrence of electrode plate deformation which can cause an internal short circuit. A nonaqueous electrolyte secondary battery according to an example embodiment of the present disclosure includes a wound electrode assembly including a positive electrode, a negative electrode and a separator, and a nonaqueous electrolyte. The separator is bonded to the positive electrode over a region from the end of the positive electrode on the coiling start side to a length corresponding to at least one loop in the winding direction.