MICROPOROUS MEMBRANE WITH EXCELLENT LOW-TEMPERATURE CHARACTERISTICS, AND PRODUCTION PROCESS THEREFOR

Provided is a microporous membrane which is suitable for use as a battery separator, and gives a battery having satisfactory low-temperature characteristics. The microporous membrane comprises a thermoplastic resin, and has an ion resistance of 0.20 or less, a reaction resistance of 0.45 or less, an...

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Bibliographische Detailangaben
Hauptverfasser:	HONDA Kouichi, YAMAMOTO Yasuhiro, ENOKI Nobuo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE 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:	Provided is a microporous membrane which is suitable for use as a battery separator, and gives a battery having satisfactory low-temperature characteristics. The microporous membrane comprises a thermoplastic resin, and has an ion resistance of 0.20 or less, a reaction resistance of 0.45 or less, and a total resistance of 0.60 or less. Due to this, the microporous membrane is suitable for use as a battery separator and can give a battery having satisfactory low-temperature characteristics.