- Patent Title: Binder resin composition for secondary battery electrodes, slurry for secondary battery electrodes, electrode for secondary batteries, and lithium ion secondary battery
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Application No.: US14371115Application Date: 2013-01-11
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Publication No.: US10446850B2Publication Date: 2019-10-15
- Inventor: Fumino Momose , Haruki Okada , Ayako Shimonaka , Mitsufumi Nodono , Daisuke Fujikawa , Hikaru Momose , Akihiro Ishii
- Applicant: Mitsubishi Chemical Corporation
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Chemical Corporation
- Current Assignee: Mitsubishi Chemical Corporation
- Current Assignee Address: JP Tokyo
- Agency: Morgan, Lewis & Bockius LLP
- Priority: JP2012-003209 20120111; JP2012-007441 20120117
- International Application: PCT/JP2013/050358 WO 20130111
- International Announcement: WO2013/105623 WO 20130718
- Main IPC: H01M4/62
- IPC: H01M4/62 ; H01M4/04 ; H01M4/13 ; H01M4/139 ; H01M10/0525 ; H01M4/02
Abstract:
A binder resin composition for secondary battery electrodes is described as containing a polymer (A) that has a structural unit represented by general formula (1) and a water-insoluble particulate polymer (B-1) and/or a water-soluble polymer (B-2) where (A), (B-1) and (B-2) are defined as described. A slurry for secondary battery electrodes contains the binder resin composition, an active material and a solvent. An electrode for secondary batteries is provided with a collector and an electrode layer that is arranged on the collector, where the electrode layer contains an active material and the binder resin composition. Alternatively, the electrode layer is obtained by applying the slurry for secondary battery electrodes to the collector, and drying the slurry thereon.
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