Title:
BINDER FOR BATTERY ELECTRODE
Document Type and Number:
Japanese Patent JP2011108373
Kind Code:
A
Abstract:
To provide a binder for a battery electrode capable of improving adhesion and binding force in rolling of an electrode sheet, the breaking resistance of the electrode sheet, and the capacity maintenance rate of a battery.
The binder for the battery electrode contains a copolymer latex containing 35-60 wt.% of a carboxy-modified styrene-butadiene copolymer latex (A) having a glass transition temperature of -40 to -5°C and 40-65 wt.% of a carboxy-modified styrene-butadiene copolymer latex (B) having a glass transition temperature of 0 to 80°C.
Inventors:
MISAKI KOYU
TANAKA YOSHINORI
IGUCHI TAKAYASU
TANAKA YOSHINORI
IGUCHI TAKAYASU
Application Number:
JP2009259118A
Publication Date:
June 02, 2011
Filing Date:
November 12, 2009
Export Citation:
Assignee:
NIPPON A & L INC
ELIIY POWER CO LTD
ELIIY POWER CO LTD
International Classes:
H01M4/62; C08F236/10; C08L9/08
Domestic Patent References:
| JPH1125989A | 1999-01-29 | |||
| JP2010040228A | 2010-02-18 |
Attorney, Agent or Firm:
Hiroyuki Okamoto