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US 12,614,718 B2Granted
Anode material, electrochemical device and electronic device including the same
AssigneeNingde Amperex Technology Limited
InventorsChengbo Zhang, Yuhao Lu, Yuansen Xie
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Abstract
An anode material includes silicon-based particles, the silicon-based particles include a silicon-containing substrate; at least a part of the surface of the silicon-containing substrate has an MySiOz layer; M includes Li, Mg, Ca, Sr, Ba, Al, Ti, Zn, or any combination thereof; and 0<y<3, and 0.5<z<6. The anode material has relatively high first Coulombic efficiency and good cycle performance.
Claims23
An anode material, comprising silicon-based particles, wherein
- the silicon-based particles comprise a silicon-containing substrate;
- at least a part of a surface of the silicon-containing substrate is coated with a coating layer;
- wherein the coating layer comprises SrSiO3.
An anode, comprising an anode material, the anode material comprises silicon-based particles, wherein
- the silicon-based particles comprise a silicon-containing substrate;
- at least a part of a surface of the silicon-containing substrate is coated with a coating layer;
- wherein the coating layer comprises SrSiO3.
Dependencies are inferred from the claim text.