MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF SEPARATOR FOR ELECTROCHEMICAL ELEMENT

PROBLEM TO BE SOLVED: To provide a manufacturing method and a manufacturing apparatus of the separator for an electrochemical element, in which a coating component exists uniformly on the principal surface, by preventing occurrence of such a part as the coating liquid does not exist or only a little...

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Bibliographische Detailangaben
Hauptverfasser:	OTAKA AKIO, ONISHI HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BASIC ELECTRIC ELEMENTS ELECTRICITY PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a manufacturing method and a manufacturing apparatus of the separator for an electrochemical element, in which a coating component exists uniformly on the principal surface, by preventing occurrence of such a part as the coating liquid does not exist or only a little amount of which exists on the principal surface of a porous sheet.SOLUTION: When coating the principal surface of a porous sheet with a coating liquid by a manufacturing method and a manufacturing apparatus of the separator for an electrochemical element, occurrence of such a part as the coating liquid does not exist or only a little amount of which exists on the principal surface of a porous sheet can be prevented (in other words, the principal surface of a porous sheet can be coated uniformly with a coating liquid). When removing a solvent from a porous sheet where the principal surface thus prepared is coated uniformly with a coating liquid, the separator for an electrochemical element, in which a coating component exists uniformly on the principal surface, can be manufactured.