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US 12,586,786 B2Granted
Core-shell particle and lithium ion battery
AssigneeIndustrial Technology Research Institute
InventorsKuan-Yu Ko, Chun-Chi Tseng, Chia-Erh Liu
Life of this patent
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Abstract
A core-shell particle includes a core having a chemical structure of Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz, in which M1 is Li or Mg; M2 is Fe, Mn, V, Ni, Cr, or Cu; Q is F, Cl, Br, I, or S; x is 0 to 0.15; y is 0 to 0.15; and z is 0 to 2; and a shell layer wrapping at least a portion of the surface of the core, and the shell layer includes Cu, Nb, Ti, and O.
Claims9
A core-shell particle, comprising:
- a core, having chemical structure of Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz,
- wherein M1 is Li or Mg,
- M2 is Fe, Mn, V, Ni, Cr, or Cu,
- Q is F, Cl, Br, I, or S,
- x is 0 to 0.15,
- y is 0 to 0.15, and
- z is 0 to 2;
- and
- a shell layer wrapping at least a portion of the surface of the core, and the shell layer comprises Cu, Nb, Ti, and O,
- wherein the shell layer is an amorphous structure.
7 more elements
Dependencies are inferred from the claim text.