Title:
BINDER FOR NEGATIVE ELECTRODES OF SECONDARY BATTERIES, NEGATIVE ELECTRODE OF SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2014/171053
Kind Code:
A1
Abstract:
A binder which is composed of a reaction product between a polymer that has a carboxyl group in at least some side chains and a compound of a metal element that is selected from among copper (Cu), nickel (Ni) and cobalt (Co) is used together with a negative electrode active material for the formation of a negative electrode active material layer. By using this binder, the initial efficiency and the capacity retention rate after a cycle test of a secondary battery are improved.
Inventors:
SUGIYAMA YUSUKE (JP)
YUKAWA KAYOKO (JP)
MORI TAKASHI (JP)
GODA NOBUHIRO (JP)
MURASE MASAKAZU (JP)
YUKAWA KAYOKO (JP)
MORI TAKASHI (JP)
GODA NOBUHIRO (JP)
MURASE MASAKAZU (JP)
Application Number:
PCT/JP2014/001210
Publication Date:
October 23, 2014
Filing Date:
March 05, 2014
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
H01M4/62; H01G11/30; H01M4/134; H01M4/36; H01M4/38
Domestic Patent References:
| WO2013118231A1 | 2013-08-15 |
Foreign References:
| JP2008166058A | 2008-07-17 | |||
| JP2012230839A | 2012-11-22 | |||
| JP2012059509A | 2012-03-22 |
Attorney, Agent or Firm:
KYORITSU INTERNATIONAL (JP)
Patent business corporation Joint establishment (JP)
Patent business corporation Joint establishment (JP)
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