PREPARATION METHOD OF NICKEL-LITHIUM METAL COMPOSITE OXIDE
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Jun 1, 2017
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Nov 29, 2016
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Nov 30, 2015
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The disclosure realize high performance and reduction in cost of a lithium ion battery positive electrode active material. A preparation method of a nickel-lithium metal composite oxide represented by Formula LiaNi1-x-yCoxMyOb, including a mixing step of raw materials and a precursor with each other, a low-temperature firing step of performing the firing at a temperature lower than a melting point of lithium carbonate, and a high-temperature firing step of performing the firing at a temperature equal to or higher than a melting point of lithium carbonate. Granular nickel-lithium metal composite oxide without aggregation or fixation are obtained immediately after the firing.
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