SEPARATOR AND CYLINDRICAL SECONDARY BATTERY IN WHICH SAME IS USED

The disclosed separator is a separator of a belt shape having first and second long sides. The separator includes a substrate, an inorganic filler layer laminated on the substrate and containing an inorganic filler as a major component, and a resin layer laminated on part of the inorganic filler lay...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOKOYAMA, Tomohiko, FURUSAWA, Daisuke
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The disclosed separator is a separator of a belt shape having first and second long sides. The separator includes a substrate, an inorganic filler layer laminated on the substrate and containing an inorganic filler as a major component, and a resin layer laminated on part of the inorganic filler layer and containing a resin as a major component. At least part of the resin layer is formed in a first region of a belt shape and a second region of a belt shape. The first and second regions extend adjacent to the first and second long sides, respectively. A portion where the resin layer is not formed is present in a third region between the first region and the second region.