NANO-COMPOSITE POLYMER SEPARATOR WITH ENHANCED SAFETY PERFORMANCE AND PREPARATION METHOD THEREOF

A method for manufacturing a porous membrane suitable for use as a separator of a lithium ion battery, comprising the following steps: 1) compounding a polymer and hydrophobic filler by dry mixing; 2) extruding the compounded mixture to obtain a cast film and 3) stretching the cast film to obtain th...

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Bibliographische Detailangaben
Hauptverfasser:	SCHARF, Guido, SCHMIDT, Gerold, ESKEN, Daniel, HUANG, Yuan-Chang, LIN, Yu-Han, WU, Hung-Chun, KINZLINGER, Uwe, LIN, Ting-Fang, LEE, Chih-Hung
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A method for manufacturing a porous membrane suitable for use as a separator of a lithium ion battery, comprising the following steps: 1) compounding a polymer and hydrophobic filler by dry mixing; 2) extruding the compounded mixture to obtain a cast film and 3) stretching the cast film to obtain the porous membrane. A porous membrane suitable for use as a separator of a lithium ion battery, a separator for a lithium ion battery, a lithium ion battery, and a device are also provided.