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Title:
POSITIVE ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2020/044609
Kind Code:
A1
Abstract:
A positive electrode for a secondary battery which is an example of the embodiment of the present invention comprises a collector, a protective layer formed on at least one surface of the collector, and a composite material layer formed on the protective layer. The protective layer has a first region and a second region. The first region includes inorganic particles and a conductive material. The second region includes inorganic particles and substantially does not include a conductive material, or includes inorganic particles and a conductive material, the content of the conductive material being less than the content of the conductive material in the first region.

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Inventors:
TAKAHASHI TAKAHIRO
SAITO KOHEI
Application Number:
PCT/JP2019/006522
Publication Date:
March 05, 2020
Filing Date:
February 21, 2019
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/13; H01M2/34
Domestic Patent References:
WO2012005301A12012-01-12
WO2010086961A12010-08-05
Foreign References:
JP2010277862A2010-12-09
JP2017120766A2017-07-06
JP2010092664A2010-04-22
JP2010287549A2010-12-24
JP2019053912A2019-04-04
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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