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US 2024/0266537 A1Published application
Negative active material, electrochemical device containing same, and electrical device
AssigneeNingde Amperex Technology Limited
InventorsZigui ZHENG, Fujin TAN, Zheng YI, Yuansen XIE
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Abstract
A negative active material, a negative electrode plate containing same, an electrochemical device, and an electrical device. The negative active material includes a hard carbon material. The hard carbon material includes a plurality of micropores and an average delithiation potential vs Li/Li+ of the hard carbon material is 0.15 V to 0.40 V.
Claims20
A negative active material, comprising:
- a hard carbon material, wherein the hard carbon material comprises a plurality of micropores;
- and an average delithiation potential vs Li/Li+ of the hard carbon material is 0.15 V to 0.40 V.
An electrochemical device, comprising a positive electrode, a negative electrode plate and an electrolytic solution;
- the negative electrode plate comprising a negative current collector and a negative active material layer disposed on at least one surface of the negative current collector;
- wherein the negative active material layer comprises a negative active material and the negative active material comprises a hard carbon material;
- wherein the hard carbon material comprises a plurality of micropores and an average delithiation potential vs Li/Li+ of the hard carbon material is 0.15 V to 0.40 V.
An electrical device, comprising an electrochemical device;
- the electrochemical device, comprising a positive electrode, a negative electrode plate and an electrolytic solution;
- the negative electrode plate comprising a negative current collector and a negative active material layer disposed on at least one surface of the negative current collector;
- wherein the negative active material layer comprises a negative active material and the negative active material comprises a hard carbon material;
- wherein the hard carbon material comprises a plurality of micropores and an average delithiation potential vs Li/Li+ of the hard carbon material is 0.15 V to 0.40 V.
1 more element
Dependencies are inferred from the claim text.