Solid spherical Li[Ni0.8Co0.1Mn0.1]O2 positive electrode material precursor preparation method
A cathode material and precursor technology, applied in the field of lithium-ion battery manufacturing, can solve the problems of reduced cycle performance, high price, environmental pollution, etc., and achieve the effects of simplifying the preparation process, high powder purity, and superior electrical performance
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[0025] 1. Raw material weighing
[0026] Weigh 0.8 mol nickel compound, 0.1 mol cobalt compound and 0.1 mol manganese compound respectively.
[0027] Wherein, the nickel compound can be at least any one of nickel sulfate, nickel nitrate, nickel acetate, nickel chloride, nickel bromide or nickel iodide, etc.;
[0028] The cobalt compound can be at least any one of cobalt sulfate, cobalt nitrate, cobalt acetate, cobalt chloride, cobalt bromide or cobalt iodide, etc.;
[0029] The manganese compound may be at least any one of manganese sulfate, manganese nitrate, manganese acetate, manganese chloride, manganese bromide, or manganese iodide.
[0030] 2. Preparation process
[0031] 1. Dissolution: Mix and dissolve weighed nickel sulfate, cobalt sulfate and manganese sulfate in a solvent to prepare a mixed solution with a certain concentration. The concentration range is 0.01 mol / L-2 mol / L; the solvent is at least any one of water, alkanes, alcohols, ethers, ketones, esters, aro...
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