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An appropriate mole ratio of urea/nitrate for preheating to synthesize LiNiO 2 was examined by varying the ratio from 1.2 to 9.6. The chemical equation of the combustion reaction was deduced from the XRD analysis result of the mixture after preheating. The XRD pattern of the LiNiO 2 sample calcined at 800°C for 24h, after preheating at the mole ratio of urea/nitrate of 3.6 at 400°C,...
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