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Title:
PASTE FOR SECONDARY BATTERIES, SLURRY FOR SECONDARY BATTERY POSITIVE ELECTRODES, POSITIVE ELECTRODE FOR SECONDARY BATTERIES, SECONDARY BATTERY AND METHOD FOR PRODUCING PASTE FOR SECONDARY BATTERIES
Document Type and Number:
WIPO Patent Application WO/2021/085344
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a paste for secondary batteries, said paste enabling an electrode mixture layer to exhibit excellent bondability, while being capable of reducing the internal resistance of a secondary battery. A paste for secondary batteries according to the present invention contains a conductive assistant, a polymer and a dispersion medium; and the conductive assistant contains carbon nanotubes that have a surface acid amount of from 0.01 mmol/g to 0.15 mmol/g, a surface base amount of from 0.005 mmol/g to 0.500 mmol/g, a ratio of the surface acid amount to the surface base amount of from 1.3 to 3.0, and a specific surface area of 150 m2/g or more.

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Inventors:
MOTOKI JUNPEI (JP)
FUKUMINE MAYUMI (JP)
Application Number:
PCT/JP2020/040000
Publication Date:
May 06, 2021
Filing Date:
October 23, 2020
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
C08L13/00; C08K3/04; H01M4/02; H01M4/04; H01M4/13; H01M4/139; H01M4/525; H01M4/62
Domestic Patent References:
WO2019181869A12019-09-26
WO2014156892A12014-10-02
WO2018012504A12018-01-18
WO2012165120A12012-12-06
WO2013080989A12013-06-06
Foreign References:
JP2018160418A2018-10-11
JP2018041619A2018-03-15
JPH0547387A1993-02-26
JP2016527171A2016-09-08
JP2007297255A2007-11-15
JP2013008485A2013-01-10
JP2012204303A2012-10-22
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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