Active electrode material
AssigneeEchion Technologies Limited
InventorsAlexander Groombridge, Sumithra Santhanam
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Abstract
The invention relates to active electrode materials and to methods for the manufacture of active electrode materials. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries. The invention provides an active electrode material expressed by the general formula M1aM21-aM3bNb49-bO124-c-dQd.
Claims27
An active electrode material comprising a mixed niobium oxide, wherein the mixed niobium oxide has the composition M1aM21-aM3bNb49-bO124-c-dQd, wherein:
- M1 and M2 are different;
- M1 is selected from Mg, Ti, Zr, V, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, Si, P, and mixtures thereof;
- M2 is Al, Ga, Fe, or Cr;
- M3 is selected from Mg, Ti, Zr, V, Mo, W, Mn, Co, Ni, Cu, Zn, Cd, B, Si, P, and mixtures thereof;
- Q is selected from F, N, and mixtures thereof;
- 0≤a<0.5;
- 0≤b≤4;
- −1≤c≤6.2;
- 0≤d≤6.2;
- and
- one or more of a and b is >0.
An active electrode material comprising a mixed niobium oxide, wherein the mixed niobium oxide has the composition M1aM21-aM3bNb49 bO124-c-dQd, wherein:
- M1 and M2 are different;
- M1 is selected from Mg, V, Cr, Mo, W, Fe, Cu, Zn, Al, Ga, P, and mixtures thereof;
- M2 is Al, Ga, Fe, or Cr;
- M3 is selected from Mg, Ti, Zr, V, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Si, P, and mixtures thereof;
- Q is selected from F, N, and mixtures thereof;
- 0≤a<0.5;
- 0≤b≤4;
- −1≤c≤6.2;
- 0≤d≤6.2;
- and
- one or more of a and b is >0.
Dependencies are inferred from the claim text.