POROUS SEPARATOR LONG BODY, MANUFACTURING METHOD FOR SAME, WOUND BODY, AND LITHIUM ION BATTERY

Title:

POROUS SEPARATOR LONG BODY, MANUFACTURING METHOD FOR SAME, WOUND BODY, AND LITHIUM ION BATTERY

Document Type and Number:

WIPO Patent Application WO/2017/179214

Kind Code:

A1

Abstract:

In a side face (12c) of a separator long body (12a, 12b), the value of the edge length (R)/the long-side length (P) is less than 1.04, and so it is possible to provide a porous separator long body in which the possibility of tearing during operation is inhibited.

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Inventors:

OZEKI TOMOAKI (JP)
SEMBARA MASATERU (JP)
YASHIKI DAIZABURO (JP)

Application Number:

PCT/JP2016/062185

Publication Date:

October 19, 2017

Filing Date:

April 15, 2016

Export Citation:

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Assignee:

SUMITOMO CHEMICAL CO (JP)

International Classes:

H01M50/406; H01M50/417; H01M50/423; H01M50/449; H01M50/494

Domestic Patent References:

WO2009123015A1

2009-10-08

Foreign References:

JP2002273684A

2002-09-25

Attorney, Agent or Firm:

HASEGAWA, Kazuya et al. (JP)

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