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US 12,559,430 B2Granted
Doped titanium niobate and battery
AssigneeIndustrial Technology Research Institute
InventorsKuan-Yu Ko, Po-Yang Hung, Chi-Ju Cheng, Shih-Chieh Liao, Yung-Ting Fan, Jin-Ming Chen
Life of this patent
Estimating the term…
Abstract
Doped titanium niobate is provided, which has a chemical structure of Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz or Ti(2-x′)M1x′Nb(10-y′)M2y′O(29-z′)Qz′, wherein M1 is Li, Mg, or a combination thereof; M2 is Fe, Mn, V, Ni, Cr, or a combination thereof; Q is F, Cl, Br, I, S, or a combination thereof; 0≤x≤0.15; 0≤y≤0.15; 0.01≤z≤2; 0≤x′≤0.3; 0≤y′≤0.9; and 0.01≤z′≤8.
Claims19
Doped titanium niobate, having a chemical structure of:
- Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz or Ti(2-x′)M1x′Nb(10-y′)M2y′O(29-z′)Qz′,
- wherein M1 is Li, Mg, or a combination thereof;
- M2 is Fe, Mn, V, Ni, Cr, or a combination thereof;
- Q is F, Cl, Br, I, S, or a combination thereof;
- 0≤x≤0.15;
- 0≤y≤0.15;
- 0.01≤z≤2;
- 0≤x′≤0.3;
- 0≤y′≤0.9;
- and
- 0.01≤z′≤8,
- wherein Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz has a monoclinic lattice.
9 more elements
A battery, comprising:
- a negative electrode;
- a positive electrode;
- and
- an electrolyte disposed between the negative electrode and the positive electrode,
- wherein the negative electrode comprises doped titanium niobate, having a chemical structure of:
- Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz or Ti(2-x′)M1x′Nb(10-y′)M2y′O(29-z′)Qz′,
- wherein M1 is Li, Mg, or a combination thereof;
- M2 is Fe, Mn, V, Ni, Cr, or a combination thereof;
- Q is F, Cl, Br, I, S, or a combination thereof;
- 0≤x≤0.15;
- 0≤y≤0.15;
- 0.01≤z≤2;
- 0≤x′≤0.3;
- 0≤y′≤0.9;
- and
- 0.01≤z′≤8,
- wherein Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz has a monoclinic lattice.
14 more elements
Doped titanium niobate, consisting of a compound having a chemical structure of:
- Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz or Ti(2-x′)M1x′Nb(10-y′)M2y′O(29-z′)Qz′,
- wherein M1 is Li, Mg, or a combination thereof;
- M2 is Fe, Mn, V, Ni, Cr, or a combination thereof;
- Q is F, Cl, Br, I, S, or a combination thereof;
- 0≤x≤0.15;
- 0≤y≤0.15;
- 0.01≤z≤2;
- 0≤x′≤0.3;
- 0≤y′≤0.9;
- and
- 0.01≤z′≤8,
- wherein Ti(1-x)M1xNb(2-y)M2yO(7-z)Qz has a monoclinic lattice.
9 more elements
Dependencies are inferred from the claim text.