Complexometric precursor formulation methodology for industrial production of fine and ultrafine powders and nanopowders for lithium metal oxides for battery applications

A compound MjXp prepared by the complexometric precursor formulation methodology wherein:

• Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j represents the moles of said positive ion per mole of said MjXp;
• and
• Xp is an anion or polyanion selected from the group consisting of at least one anion or polyanion of Groups IIIA, IVA, VA, VIA and VIIA;
• and p represents the moles of said anion or polyanion per mole of said MjXp;
• wherein said compound has a particle size of less than 1 micron and said compound has a surface area of at least 1 m2/gm and wherein said compound is a layered nanostructure selected from the group consisting of lithium cobalt oxide, lithium nickel oxide, lithium manganese oxide, and lithium mixed oxides of cobalt, nickel and manganese.

A composition comprising a compound MjXp prepared by the complexometric precursor formulation methodology wherein:

• Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j represents the moles of said positive ion per mole of said MjXp;
• and
• Xp is an anion or polyanion selected from the group consisting of at least one anion or polyanion of Groups IIIA, IVA, VA, VIA and VIIA;
• and p represents the moles of said anion or polyanion per mole of said MjXp;
• wherein said compound has a particle size of less than 1 micron and said compound has a surface area of at least 1 m2/gm and wherein said compound is in a layered nanostructure with a coating on said compound and wherein said compound has the formula LiMnxCoyNizO2 wherein x+y+z≤1.

A battery comprising a compound MjXp prepared by the complexometric precursor formulation methodology wherein:

• Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j represents the moles of said positive ion per mole of said MjXp;
• and
• Xp is an anion or polyanion selected from the group consisting of at least one anion or polyanion of Groups IIIA, IVA, VA, VIA and VIIA;
• and p represents the moles of said anion or polyanion per mole of said MjXp;
• wherein said compound has a particle size of less than 1 micron and said compound has a surface area of at least 1 m2/gm and wherein said compound is in a layered nanostructure and wherein said compound has the formula LiMnxCoyNizO2 wherein x+y+z≤1.

A composition comprising a compound MjXp prepared by the complexometric precursor formulation methodology wherein:

• Mj is at least one positive ion selected from the group consisting of alkali metals, alkaline earth metals and transition metals and j represents the moles of said positive ion per mole of said MjXp;
• and
• Xp is an anion or polyanion selected from the group consisting of at least one anion or polyanion of Groups IIIA, IVA, VA, VIA and VIIA;
• and p represents the moles of said anion or polyanion per mole of said MjXp;
• wherein said Mj comprises M1 and M2 and wherein M1 is lithium and M2 is a transition metal and
• wherein said compound has a particle size of less than 50 microns, said compound has a surface area of at least 1 m2/gm, said compound is in a layered nanostructure and wherein said compound has the formula LiMnxCoyNizO2 wherein x+y+z≤1.