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Title:
POSITIVE ELECTRODE ACTIVE MATERIAL, ELECTROCHEMICAL DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/184274
Kind Code:
A1
Abstract:
The present application provides a positive electrode active material, an electrochemical device and an electronic device. The positive electrode active material comprises: a matrix and a coating, which is located on at least part of the surface of the matrix, wherein the coating comprises a first compound having a P42/mnm crystal structure. The positive electrode active material can have good cycling stability under a high voltage.

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Inventors:
LIU XIAOLANG (CN)
Application Number:
PCT/CN2022/084199
Publication Date:
October 05, 2023
Filing Date:
March 30, 2022
Export Citation:
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Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M10/0525; H01M4/525
Foreign References:
CN105449196A2016-03-30
US20140186708A12014-07-03
CN103582971A2014-02-12
CN113611834A2021-11-05
CN103718352A2014-04-09
CN110828783A2020-02-21
JP2009064707A2009-03-26
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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