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Patent Searching and Data


Title:
POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL APPARATUS COMPRISING SAME, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/241195
Kind Code:
A1
Abstract:
The present application relates to a positive electrode material, an electrochemical apparatus comprising same, and an electronic apparatus. The positive electrode material of the present application comprises: a substrate and a first coating layer located on the surface of the substrate, wherein on the basis of the molar mass of metal elements other than Li in the first coating layer, the molar percentage content of a Co element in the first coating layer is W1, on the basis of the molar mass of metal elements other than Li in the substrate, the molar percentage content of the Co element in the substrate is W2, and W1 > W2 is satisfied. The first coating layer comprises a first region having a spinel phase structure.

Inventors:
PENG GANG (CN)
LANG YE (CN)
LIU WENYUAN (CN)
Application Number:
PCT/CN2023/088329
Publication Date:
December 21, 2023
Filing Date:
April 14, 2023
Export Citation:
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Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M4/52
Foreign References:
CN114784285A2022-07-22
CN109428074A2019-03-05
CN106356507A2017-01-25
CN109216651A2019-01-15
CN108550830A2018-09-18
CN107369815A2017-11-21
CN112803022A2021-05-14
CN102237518A2011-11-09
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (CN)
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