Microporous film

A microporous film which is excellent in permeability and mechanical strength and has breakage resistance at high temperatures; a separator for a nonaqueous-electrolyte battery which comprises the microporous film; and a nonaqueous-electrolyte battery employing the separator. The microporous film ha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	EMORI HIDEYUKI, YAMAMOTO KAZUSHIGE, YAMAGUCHI MUTSUKO, UETANI YOSHIHIRO, NOUMI SHUNSUKE
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOSITIONS BASED THEREON ELECTRICITY GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	A microporous film which is excellent in permeability and mechanical strength and has breakage resistance at high temperatures; a separator for a nonaqueous-electrolyte battery which comprises the microporous film; and a nonaqueous-electrolyte battery employing the separator. The microporous film has a gel content of from 20 to 90% as determined through 3-hour immersion in boiling xylene.