SEPARATOR AND PREPARATION METHOD THEREOF, ELECTROCHEMICAL DEVICE, ELECTROCHEMICAL APPARATUS AND POWERED DEVICE

The present application provides a separator and a preparation method thereof, an electrochemical device, an electrochemical apparatus and a powered device. The separator comprises a base film, the base film has a tensile energy per unit thickness of ≥1.8 J/10 μm in both MD direction and TD directio...

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Bibliographische Detailangaben
Hauptverfasser:	Zhao, Fenggang, Yang, Tianle, Yang, Jianrui, Wang, Lianguang
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 application provides a separator and a preparation method thereof, an electrochemical device, an electrochemical apparatus and a powered device. The separator comprises a base film, the base film has a tensile energy per unit thickness of ≥1.8 J/10 μm in both MD direction and TD direction, and an elongation of ≥150% in both MD direction and TD direction, and the thickness of the base film is 2 μm˜40 μm.