Abstract: The invention relates to a method of making an electrode, the method comprising: providing a starting H—Nb2O5 material; jet milling and classifying the starting material to provide a processed H—Nb2O5 material having a D50 particle diameter of 2.2-15 ?m and a particle size distribution span (D90?D10/D50 of <1.90; and forming an electrode comprising the processed H—Nb2O5 material as an active electrode material.

Abstract: The invention provides an electrochemical cell, such as a lithium-ion battery, comprising an anode, a cathode, and an electrolyte disposed between the anode and cathode; wherein the anode comprises an oxide comprising niobium as an active anode material, wherein the crystal structure of the oxide comprising niobium corresponds to the crystal structure of MII2Nb34O87, MIIINb11O29, MIIINb49O124, MIVNb24O62, MVNb9O25, MVINb12O33, H—Nb2O5, or N—Nb2O5; wherein the cell has an N/P ratio >1 as defined in the specification.

Abstract: The invention relates to a mixed-phase oxide for use as an active electrode material. e.g. in lithium-ion or sodium-ion batteries. The mixed-phase oxide comprises Nb and Ti and further comprises M(III) and/or M(II); wherein M(III) is selected from Cr, Al, Ga, and mixtures thereof; M(II) is selected from Zn, Cu, Mg, and mixtures thereof; wherein the mixed-phase oxide comprises an interpenetrating mixture of a first phase and a second phase; wherein the first phase has the crystal structure of TiNb2O7 and the second phase has the crystal structure of Zn2Nb34O87.

Abstract: The invention relates to electrodes comprising a mixed niobium oxide as an active electrode material. The electrodes may be used in metal-ion batteries such as lithium-ion batteries. The mixed niobium oxide may have the formula MIx-uMy(x/(5-y))MVzNb100-(x/(5-y))-zO250-u/2, wherein: MI is a cation having an oxidation state of 1; My is a cation having an average oxidation state of y; MV is a cation having an average oxidation state of 5; 1?y?4; 0.5?x?6; 0?z?10; 0?u?5; x>u.

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 comprising a mixed niobium oxide, wherein the mixed niobium oxide has the composition M1aM2i-aM3bNbi2-bO33-c-dQd, wherein: M1 and M2 are different; M1 is selected from Mg, Ca, Sr, Y, La, Ce, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, P, Sb, Bi and mixtures thereof; M2 is Mo or W; M3 is selected from Mg, Ca, Sr, Y, La, Cc, Ti, Zr, Hf, V, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, P, Sb, Bi, and mixtures thereof; Q is selected from F, Cl, Br, I, N, S, Se, and mixtures thereof; 0<a<0.5; 0<b<2; ?0.5<c<1.65; 0<d<1.65; one or more of b and d is >0.

Abstract: The present invention provides an active electrode material comprising a mixture of (a) at least one niobium oxide and (b) at least one mixed niobium oxide; wherein the mixed niobium oxide has the composition M1aM21-aM3bNb12-bO33-c-dQd, wherein: M1 and M2 are different; M1 is selected from Mg, Ca, Sr, Y, La, Ce, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, P, Sb, Bi and mixtures thereof; M2 is Mo or W; M3 is selected from Mg, Ca, Sr, Y, La, Ce, Ti, Zr, Hf, V, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, P, Sb, Bi, and mixtures thereof; Q is selected from F, Cl, Br, I, N, S, Se, and mixtures thereof; 0?a<0.5; 0?b?2; ?0.5?c?1.65; 0?d?1.65; one or more of a, b, c and d does not equal zero; and when a, b, and d equal zero, c is greater than zero. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries.

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 M1aM22-aM3bNb34-bO87-c-dQd.

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 M1aAl1-aM2bNb11-bO29-c-dQd.

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 M1aM22-aM3bNb34-bO87-c-dQd.

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.

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 comprising a mixture of (a) at least one lithium titanium oxide and (b) at least one mixed niobium oxide, wherein the mixed niobium oxide is expressed by the general formula [M1]x[M2](1-x)[Nb]y[O]z.

Abstract: The present invention provides a phosphorus niobium oxide active electrode material with the composition M1aPx-aM2bNb9-bO25-c-dQd, wherein: M1 is selected from Na, K, Mg, Ca, Sr, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, B, Al, Ga, Si, Ge, Sn, Bi, Sb, and mixtures thereof; M2 is selected from Na, K, Mg, Ca, Sr, Y, Ti, Zr, Hf, V, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, B, Al, Ga, Si, Ge, Sn, Bi, P, Sb, and mixtures thereof; Q is selected from F, Cl, Br, I, N, S, Se, and mixtures thereof; 0?a?0.5; 0?b'2; ?0.5?c?1.25; 0?d?5; 1?x?2; one or more of a, b, c, and d does not equal 0; with the proviso that if M1 consists of Nb and if M2 consists of P then c is >0. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries.

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 M1aM22-aM3bNb34-bO87-c-dQd.

Abstract: The present invention provides an active electrode material comprising a mixture of (a) at least one niobium oxide and (b) at least one mixed niobium oxide; wherein the mixed niobium oxide has the composition M1aM21-aM3bNb12-bO33-c-dQd, wherein: M1 and M2 are different; M1 is selected from Mg, Ca, Sr, Y, La, Ce, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, P, Sb, Bi and mixtures thereof; M2 is Mo or W; M3 is selected from Mg, Ca, Sr, Y, La, Ce, Ti, Zr, Hf, V, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Si, Ge, Sn, Pb, P, Sb, Bi, and mixtures thereof; Q is selected from F, Cl, Br, I, N, S, Se, and mixtures thereof; 0?a<0.5; 0?b?2; ?0.5?c?1.65; 0?d?1.65; one or more of a, b, c and d does not equal zero; and when a, b, and d equal zero, c is greater than zero. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries.

Abstract: The present invention provides a phosphorus niobium oxide active electrode material with the composition M1laPx-aM2bNb9-bO25-c-dQd, wherein: M1 is selected from Na, K, Mg, Ca, Sr, Y, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, B, Al, Ga, Si, Ge, Sn, Bi, Sb, and mixtures thereof; M2 is selected from Na, K, Mg, Ca, Sr, Y, Ti, Zr, Hf, V, Ta, Cr, Mo, W, Mn, Fe, Co, Ni, Cu, Zn, B, Al, Ga, Si, Ge, Sn, Bi, P, Sb, and mixtures thereof; Q is selected from F, Cl, Br, I, N, S, Se, and mixtures thereof; 0?a?0.5; 0?b'2; ?0.5?c?1.25; 0?d?5; 1?x?2; one or more of a, b, c, and d does not equal 0; with the proviso that if M1 consists of Nb and if M2 consists of P then c is >0. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries.

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 M1aM22-aM3bNb34-bO87-c-dQd.

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 a method of making an active electrode material, the method comprising: providing a mixed niobium oxide; combining the mixed niobium oxide with a carbon precursor to form an intermediate material, wherein the carbon precursor comprises polyaromatic sp2 carbon and is selected from pitch carbons, graphene oxide, and mixtures thereof; and heating the intermediate material under reducing conditions to pyrolyse the carbon precursor forming a carbon coating on the mixed niobium oxide and introducing oxygen vacancies into the mixed niobium oxide, thereby forming the active electrode material.

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 [M1]x[M2](1?x)[Nb]y[O]z, wherein: M1 and M2 are different; M1 represents one or more of Ti, Mg, V, Cr, W, Zr, Mo, Cu, Fe, Ga, Ge, Ca, K, Ni, Co, Al, Sn, Mn, Ce, Te, Se, Si, Sb, Y, La, Hf, Ta, Re, Zn, In, or Cd; M2 represents one or more of Mg, V, Cr, W, Zr, Mo, Cu, Ga, Ge, Ca, K, Ni, Co, Al, Sn, Mn, Ce, Sb, Y, La, Hf, Ta, Zn, In, or Cd; and wherein x satisfies 0<x<0.5; y satisfies 0.5?y?49 z satisfies 4?z?124.

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 [M][Nb]y[O]z; wherein the active electrode material is oxygen deficient; wherein M consists of one of Mg, Cr, W, Mo, Cu, Ga, Ge, Ca, K, Ni, Co, Al, Sn, Mn, Ce, Sb, Y, La, Hf, Ta, Zn, In, or Cd; y satisfies 0.5?y?49; and z satisfies 4?z?124.