Lithium-rich metal oxide and preparation method thereof, positive electrode plate, battery cell, and battery
AssigneeContemporary Amperex Technology (Hong Kong) Limited
InventorsBangrun WANG, Xingwen ZHANG, Na LIU
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Abstract
This application provides a lithium-rich metal oxide and a preparation method thereof, a positive electrode plate, a battery cell, and a battery. The lithium-rich metal oxide includes a lithium-rich metal oxide core; and a cladding layer, where the cladding layer includes an organic layer and a carbonaceous material, the organic layer clads the lithium-rich metal oxide core, and at least a portion of the carbonaceous material is embedded in the organic layer. The lithium-rich metal oxide of this application has high stability and conductivity, which is conducive to improving the performance of the battery cell.
Claims24
A lithium-rich metal oxide, wherein the lithium-rich metal oxide comprises:
- a lithium-rich metal oxide core;
- and
- a cladding layer, wherein the cladding layer comprises an organic layer and a carbonaceous material, the organic layer clads the lithium-rich metal oxide core, and at least a portion of the carbonaceous material is embedded in the organic layer.
A method for preparing a lithium-rich metal oxide, wherein the method comprises:
- providing a lithium-rich metal oxide core, a carbonaceous material, and an organic matter;
- and
- mixing the lithium-rich metal oxide core, the carbonaceous material and the organic matter, and conducting treatment to obtain the lithium-rich metal oxide.
Dependencies are inferred from the claim text.