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Patent Searching and Data


Title:
POSITIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2021/193665
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a positive electrode which is for a secondary battery and make the secondary battery exhibit excellent battery characteristics. The positive electrode for a secondary battery according to the present invention is provided with a positive electrode mixture layer and a current collector. The positive electrode mixture layer contains: a positive electrode active material; a conductive material; a polymer A having a nitrogen-containing heterocycle and a weight average molecular weight of 300-70,000; and a polymer B having a nitrile group. In addition, in the positive electrode mixture layer, the degree of segregation of nitrogen calculated by using an electron probe microanalyzer is 1.4 or less.

Inventors:
NAKAI AKITO (JP)
Application Number:
PCT/JP2021/012070
Publication Date:
September 30, 2021
Filing Date:
March 23, 2021
Export Citation:
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Assignee:
ZEON CORP (JP)
International Classes:
C08L15/00; C08L27/16; C08L39/04; H01M4/13; H01M4/62
Foreign References:
JPH09180705A1997-07-11
JP2000311690A2000-11-07
JPH10233339A1998-09-02
JP2012204303A2012-10-22
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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