Title:
リチウムイオン二次電池用セパレータ製造方法及びリチウムイオン二次電池用セパレータスリット方法
Document Type and Number:
Japanese Patent JP6499997
Kind Code:
B2
Abstract:
Provided is a method for producing a separator which method less causes a tear in the separator. The method is a method for producing a separator by slitting, in a direction in which a separator original sheet (12b) being porous is conveyed, the separator original sheet (12b) into a plurality of separators (12a), including the steps of: (a) conveying the separator original sheet (12b) in a state where the separator original sheet (12b) is in contact with a roller (77); and (b) slitting the separator original sheet (12b) at a portion where the separator original sheet (12b) is in contact with the roller (77).
Inventors:
Koichiro Watanabe
Tatsuya Kataoka
J. Nomura
Tatsuya Kataoka
J. Nomura
Application Number:
JP2016114732A
Publication Date:
April 10, 2019
Filing Date:
June 08, 2016
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
H01M50/406; H01M50/449
Domestic Patent References:
| JP200566796A | ||||
| JP2005230968A | ||||
| JP2011159434A | ||||
| JP8188311A | ||||
| JP200380489A | ||||
| JP2013243059A | ||||
| JP2002273684A | ||||
| JP2256496A | ||||
| JP201136921A |
Foreign References:
| WO2008013114A1 |
Attorney, Agent or Firm:
Kazuya Hasegawa
Kentaro Tsuruta
Kentaro Tsuruta