SEPARATOR AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME

A separator having both high adhesion to electrodes and high impregnating ability of a nonaqueous electrolyte is provided. The separator disclosed here includes a base material layer of a porous resin, and a ceramic layer containing inorganic particles and disposed on at least one surface of the bas...

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Bibliographische Detailangaben
Hauptverfasser:	MIYAZAKI, Shinya, OBAYASHI, Atsushi, NOWATARI, Yuko, KUSADA, Hideo
Format:	Patent
Sprache:	eng
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 separator having both high adhesion to electrodes and high impregnating ability of a nonaqueous electrolyte is provided. The separator disclosed here includes a base material layer of a porous resin, and a ceramic layer containing inorganic particles and disposed on at least one surface of the base material layer. Principal surfaces of the separator have long sides. The separator further includes an adhesive layer having portions arranged at a predetermined pitch to form a stripe pattern on at least one of the principal surfaces. An angle formed by the adhesive layer and the long side of the at least one principal surface of the separator is 20° or more and 70° or less.