- Patent Title: Slurry for lithium ion secondary battery porous film, production method therefor, separator for lithium ion secondary battery, and lithium ion secondary battery
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Application No.: US14772036Application Date: 2014-03-19
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Publication No.: US11095000B2Publication Date: 2021-08-17
- Inventor: Junnosuke Akiike
- Applicant: ZEON CORPORATION
- Applicant Address: JP Tokyo
- Assignee: ZEON CORPORATION
- Current Assignee: ZEON CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Studebaker & Brackett PC
- Priority: JPJP2013-058613 20130321
- International Application: PCT/JP2014/057609 WO 20140319
- International Announcement: WO2014/148577 WO 20140925
- Main IPC: H01M50/411
- IPC: H01M50/411 ; H01M50/446 ; H01M50/449 ; H01M50/403 ; C08L33/00 ; C08L33/06 ; C08F220/10 ; H01M10/0525
Abstract:
A slurry for a lithium ion secondary battery porous membrane, including non-conductive particles, a water-soluble polymer containing an acidic group-containing monomer unit, and a particulate polymer, wherein: an amount of the water-soluble polymer is 0.05 parts by weight to 2 parts by weight relative to 100 parts by weight of the non-conductive particles; and a BET specific surface area of the non-conductive particles is 5 m2/g to 10 m2/g.
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