Title:
BINDER FOR ELECTRICITY STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/147077
Kind Code:
A1
Abstract:
Provided is a binder for an electricity storage device, said binder showing a good adhesion in an electrode, having a high flexibility and being capable of achieving satisfactory charge and discharge characteristics when employed in a secondary battery.
The binder for an electricity storage device is characterized by comprising a fluorine-containing copolymer, which comprises structural unit (a) based on tetrafluoroethylene and structural unit (b) based on propylene at a molar ratio (a)/(b) of 40/60-50/50, and in which the sum of the structural units (a) and (b) is 90 mol% or greater relative to the total structural units.
Inventors:
NARUMI MIZUNA (JP)
KOSE TAKEHIRO (JP)
NAGAI HIROKI (JP)
KOSE TAKEHIRO (JP)
NAGAI HIROKI (JP)
Application Number:
PCT/JP2013/059369
Publication Date:
October 03, 2013
Filing Date:
March 28, 2013
Export Citation:
Assignee:
ASAHI GLASS CO LTD (JP)
International Classes:
H01M4/62; C08F210/06; C08F214/06; H01M10/0566
Domestic Patent References:
| WO2011055760A1 | 2011-05-12 | |||
| WO2011055760A1 | 2011-05-12 |
Foreign References:
| JPH0831408A | 1996-02-02 | |||
| JPH1140612A | 1999-02-12 | |||
| JP2009146871A | 2009-07-02 |
Other References:
See also references of EP 2833447A4
Attorney, Agent or Firm:
SENMYO, Kenji et al. (JP)
Spring name Kenji (JP)
Spring name Kenji (JP)
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