Title:
BINDER FOR ELECTRICITY STORAGE DEVICES, BINDER COMPOSITION, ELECTRODE MIXTURE, ELECTRODE AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2015/111724
Kind Code:
A1
Abstract:
Provided are: a binder for electricity storage devices, which has excellent binding properties and enables the achievement of good charge/discharge characteristics; a binder composition which uses this binder for electricity storage devices; an electrode mixture; an electrode; and a secondary battery.
A binder for electricity storage devices, which is composed of a fluorine-containing copolymer that has a constituent unit (A) based on a monomer (a) described below and a constituent unit (B) based on a monomer (b) described below.
Monomer (a): at least one compound selected from the group consisting of tetrafluoroethylene, hexafluoropropylene, vinylidene fluoride, chlorotrifluoroethylene and perfluoro(alkyl vinyl ether) represented by CF2=CF-O-Rf
Monomer (b): at least one compound selected from the group consisting of compounds represented by formula (II) and compounds represented by formula (III)
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Inventors:
TOYOTA MIZUNA (JP)
KOSE TAKEHIRO (JP)
NAGAI HIROKI (JP)
KOSE TAKEHIRO (JP)
NAGAI HIROKI (JP)
Application Number:
PCT/JP2015/051907
Publication Date:
July 30, 2015
Filing Date:
January 23, 2015
Export Citation:
Assignee:
ASAHI GLASS CO LTD (JP)
International Classes:
H01M4/62; C08F214/18; H01G11/38; H01M10/0566
Domestic Patent References:
| WO2010134465A1 | 2010-11-25 |
Foreign References:
| JPH0912639A | 1997-01-14 | |||
| JPH10302799A | 1998-11-13 | |||
| JP2001223011A | 2001-08-17 |
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
Spring name Kenji (JP)
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