Abstract: A lithium iron phosphate positive electrode material, a preparation method thereof, and a lithium ion battery are disclosed. The lithium iron phosphate positive electrode material has an expression formula of LiFe1-xMxPO4/C, in which, 0<x?0.05; and M is at least one element selected from Mg, Al, Zr, Ti, Co, V, Mn, W, Sn, Nb and Mo. The lithium iron phosphate positive electrode material has a particle size distribution meeting (D90-D10)/D50=1-2.17; and the magnetic material content in the lithium iron phosphate positive electrode material is 850-900 ppm (w/w).

Abstract: The disclosure discloses a nickel cobalt lithium manganate cathode material, a preparation method thereof and a lithium ion battery. The nickel cobalt lithium manganate includes a core and an outer layer covering the outside of the core, the core comprises flaky particles, a D50 particle diameter of the flaky particles in the core is 5-10 ?m, and a D50 particle diameter of particles in the outer layer is 0.1-4.5 ?m.

Abstract: The disclosure discloses a nickel cobalt manganese hydroxide, a cathode material, a preparation method thereof and a lithium ion battery. The nickel cobalt manganese hydroxide comprises a core and an outer layer covering the outside of the core. The core comprises flaky particles, the D50 particle diameter of the flaky particles in the core is 5-8 ?m, and the D50 particle diameter of particles in the outer layer is 0.1-5 ?m.

Abstract: The disclosure discloses a nickel cobalt manganese hydroxide, a cathode material, a preparation method thereof and a lithium ion battery. The nickel cobalt manganese hydroxide comprises a core and an outer layer covering the outside of the core. The core comprises flaky particles, the D50 particle diameter of the flaky particles in the core is 5-8 ?m, and the D50 particle diameter of particles in the outer layer is 0.1-5 ?m.

Abstract: The present specification discloses a ternary material and a preparation method thereof, a battery slurry, an anode and a lithium battery. The ternary material has a composition represented by the general formula LiNi1-x-yCoxMyO2, where the M is Mn or Al, 0<x<1, 0<y<1, x+y<1; and particles of the ternary material include three-level particles having a particle diameter ranging from small to large, the three-level particles include primary particles having a crystal structure, intermediate particles formed by partial melting of a plurality of primary particles, and secondary spheres formed by agglomeration of the intermediate particles.

Abstract: Transition metal hydroxide and oxide, method of producing the same, and cathode material containing the same are disclosed. One method includes coupling an alkaline solution to a transition metal salt solution under an inert gas atmosphere, whereby the alkaline solution includes an additive. A transition metal oxide may be prepared by heating the transition metal hydroxide under an oxygen gas atmosphere. Cathode materials for lithium-ion batteries may be prepared incorporating the transition metal hydroxide and oxide embodiments disclosed herein.

Abstract: Provided is a composite material having spinel structured lithium titanate, wherein the lithium titanate has a microcrystalline grain diameter of about 36-43 nm and an average particle diameter of about 1-3 ?m. The composite material comprises a small amount of TiO2 and Li2—TiO3 impurity phases. Also provided is a method for preparing the composite material, which comprises the steps: mixing titanium dioxide particles and soluble lithium sources with water to form a mixture, removing water and then sintering the mixture in an inert gas at a constant temperature, and cooling the sintered mixture, wherein the titanium dioxide particles have D50 of not greater than 0.4 ?m and D95 of less than 1 ?m. Further provided are a negative active substance comprising the composite material and a lithium ion secondary battery containing the negative active substance.

Abstract: Disclosed herein is a method for preparing lithium iron phosphate as a positive electrode active material for a lithium ion secondary battery comprising drying and sintering a mixture containing a lithium source, ferric oxide, phosphoric acid, a carbon source, and a solvent, in which the solvent is water and/or water soluble organic solvent. The lithium iron phosphate prepared by the inventive method has small particle size and uniform particle size distribution, and the battery prepared from the lithium iron phosphate has high initial discharge specific capacity, and good large-current discharge property and cycle performance.

Abstract: Transition metal hydroxide and oxide, method of producing the same, and cathode material containing the same are disclosed. One method includes coupling an alkaline solution to a transition metal salt solution under an inert gas atmosphere, whereby the alkaline solution includes an additive. A transition metal oxide may be prepared by heating the transition metal hydroxide under an oxygen gas atmosphere. Cathode materials for lithium-ion batteries may be prepared incorporating the transition metal hydroxide and oxide embodiments disclosed herein.