NICKEL COMPOSITE HYDROXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL USING NICKEL COMPOSITE HYDROXIDE AS PRECURSOR, AND METHODS FOR PRODUCING THE SAME

DRIVE May 5, 2022
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Provided is a nickel composite hydroxide capable of reducing a calcination temperature when producing a positive electrode active material, and a positive electrode active material using the nickel composite hydroxide as a precursor. The nickel composite hydroxide for a precursor of a positive electrode active material of a non-aqueous electrolyte secondary battery, wherein when in the nickel composite hydroxide, a peak intensity of a diffraction peak on a (200) plane in powder X-ray diffraction measurement using CuKα rays is defined as α, and a peak intensity of a diffraction peak on a (013) plane in powder X-ray diffraction measurement using CuKα rays is defined as β, a value of α/β is 0.75 or more and 0.95 or less, and the nickel composite hydroxide comprises Ni, Co, Mn, and one or more additive elements M selected from the group consisting of Al, Fe, Ti and Zr.

Discussion in the ATmosphere

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