BATTERY CELL, BATTERY USING THE BATTERY CELL, AND ELECTRONIC DEVICE

A battery cell, comprising a first electrode sheet, a second electrode sheet and an insulating adhesive. The first electrode sheet comprises a first current collector, a first coating layer and a first active layer, the first coating layer is provided between the first current collector and the firs...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LONG, Hai, LIU, Huijun, WANG, Pan, LEI, Tingling
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A battery cell, comprising a first electrode sheet, a second electrode sheet and an insulating adhesive. The first electrode sheet comprises a first current collector, a first coating layer and a first active layer, the first coating layer is provided between the first current collector and the first active layer, and the first coating layer comprises a thermal expansion material; the first electrode sheet and the second electrode sheet are arranged in a winding manner at intervals, and the outermost electrode sheet of the battery cell is provided as the first electrode sheet; the first electrode sheet further comprises a first end portion, the first end portion is a winding finishing end, and the first active layer is provided on the surface of the first current collector located on the first end portion and facing towards the interior of the battery cell; and the insulating adhesive comprises a first sub-insulating adhesive, and the first sub-insulating adhesive is provided on the surface, away from the fir