Title:
POSITIVE ELECTRODE LITHIUM SUPPLEMENTING MATERIAL AND PREPARATION METHOD, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/077608
Kind Code:
A1
Abstract:
The present application discloses a positive electrode lithium supplementing material, a method for preparing the positive electrode lithium supplementing material, a positive electrode sheet, a secondary battery and an electric device. The positive electrode lithium supplementing material comprises: a core, comprising LixMyOz, wherein the element M comprises at least one of Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn, 2≤x≤6, 1≤y≤2, and 2≤z≤4, and the core is electrically neutral; an inorganic coating layer, at least coating part of the surface of the core; and an organic coating layer, at least coating part of the surface of the inorganic coating layer away from the core.
Inventors:
LIU XIN (CN)
HUANG QISEN (CN)
LI CHENG (CN)
LI MINGLING (CN)
LIU XIANGHUI (CN)
HUANG QISEN (CN)
LI CHENG (CN)
LI MINGLING (CN)
LIU XIANGHUI (CN)
Application Number:
PCT/CN2022/125441
Publication Date:
April 18, 2024
Filing Date:
October 14, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECH CO LIMITED (CN)
International Classes:
H01M10/42; H01M4/36
Attorney, Agent or Firm:
BEIJING LISENG INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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