METHOD OF MANUFACTURING LITHIUM NICKEL COMPOSITE OXIDE, LITHIUM NICKEL COMPOSITE OXIDE OBTAINED USING THE SAME MANUFACTURING METHOD, AND POSITIVE ELECTRODE ACTIVE MATERIAL OBTAINED FROM THE SAME COMPOSITE OXIDE
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Dec 1, 2015
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Dec 2, 2014
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Performance improvement and cost reduction in a positive electrode active material for a lithium ion battery. A method of manufacturing a lithium nickel composite oxide including the following Steps 1 to 7: (Step 1) a dissolving step; (Step 2) a precipitation step; (Step 3) a filtering step; (Step 4) a drying step; (Step 5) a mixing step of mixing aluminum hydroxide and lithium carbonate with the precursor powder, which is obtained in Step 4, to obtain a mixture; (Step 6) a high-temperature firing step of firing the mixture, which is obtained in Step 5, at a high temperature of higher than 790° C. to obtain a fired product; and (Step 7) a low-temperature firing step of firing the fired product, which has undergone Step 6, at a low temperature of lower than 790° C.
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