Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FLUORINATED BINDER COMPOSITION, ELECTRODE MIX FOR SECONDARY BATTERY WHICH COMPRISES SAME, ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2011/129410
Kind Code:
A1
Abstract:
Disclosed are: a fluorinated binder composition which can impart excellent adhesion between a battery active material and a current collector, can reduce the degree of swelling of an electrode in an electrolytic solution at a high temperature, and can exhibit practical performance thereof satisfactorily; an electrode mix for a secondary battery, which is produced using the composition; an electrode for a secondary battery; and a secondary battery. Specifically disclosed are: a fluorinated binder composition which comprises a binder comprising a fluorinated copolymer having a repeating unit derived from ethylene and a repeating unit derived from tetrafluoroethylene and a solvent capable of dissolving the fluorinated copolymer at a temperature equal to or lower than the melting point of the fluorinated copolymer; an electrode mix for a secondary battery, which is produced using the composition; an electrode for a secondary battery; and a secondary battery.

Inventors:
KOSE, Takehiro (Limited 12-1, Yurakucho 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
巨勢 丈裕 (〒05 東京都千代田区有楽町一丁目12番1号 旭硝子株式会社内 Tokyo, 〒1008405, JP)
NAKANO, Takashi (Limited 12-1, Yurakucho 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
Application Number:
JP2011/059304
Publication Date:
October 20, 2011
Filing Date:
April 14, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ASAHI GLASS COMPANY, LIMITED (5-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1008405, JP)
旭硝子株式会社 (〒05 東京都千代田区丸の内一丁目5番1号 Tokyo, 〒1008405, JP)
KOSE, Takehiro (Limited 12-1, Yurakucho 1-chome, Chiyoda-k, Tokyo 05, 〒1008405, JP)
巨勢 丈裕 (〒05 東京都千代田区有楽町一丁目12番1号 旭硝子株式会社内 Tokyo, 〒1008405, JP)
International Classes:
H01M4/62; H01G11/38; H01M4/02; H01M4/04
Attorney, Agent or Firm:
SENMYO, Kenji et al. (4th Floor, SIA Kanda Square 17, Kanda-konyacho, Chiyoda-k, Tokyo 35, 〒1010035, JP)
Download PDF:
Claims: