MULTILAYER POROUS FILM, SEPARATOR FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, SLURRY, AND COATING LIQUID

The viscosity stability in forming a slurry of one or metal components selected from water-insoluble metal oxides and metal salts is improved, and using the resultant slurry, a coating layer is formed on a polyolefinic resin porous film to give a multilayer porous film having excellent surface smoot...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEGAWA KOUJI, YAMADA HIROTO, NEMOTO TOMOYUKI
Format:	Patent
Sprache:	eng
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:	The viscosity stability in forming a slurry of one or metal components selected from water-insoluble metal oxides and metal salts is improved, and using the resultant slurry, a coating layer is formed on a polyolefinic resin porous film to give a multilayer porous film having excellent surface smoothness. The multilayer porous film has, as layered on at least one surface of a polyolefinic resin porous film, a coating layer that contains one or more metal components selected from water-insoluble metal oxides and metal salts, and a resin binder, wherein the content of water-soluble calcium contained in the metal components is 3 ppm by mass or less.