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Mn-rich transition metal (Mn, Ni, Co) carbonate precursor was precipitated as the precursor for Li- and Mn-enriched composite material used as advanced cathode for lithium-ion battery. The pH zone that favors carbonate precipitation reactions for transition metals (Co, Ni, Mn) was predicted by taking into account the chemical equilibriums between metal elements Me (Co, Ni, Mn) and ammonia bicarbonate...
Li1.2NixCoxMn0.8 − 2xO2 (x = 0.128, 0.16, and 0.2) cathode materials have been synthesized by a simple carbonate precipitation method followed by high-temperature calcination. The effects of the transition metal content on the structure, physical property, and electrochemical performance of the samples have been investigated. As the manganese content increases, we observed not only a well-ordered...
The precursor of (Ni0.15Co0.15Mn0.7)CO3 has been synthesized by a carbonate precipitation method, which was used to prepare high-capacity cathode material Li1.2Ni0.12Co0.12Mn0.56O2 for lithium-ion batteries. Carbonate precipitation was conducted using NH4HCO3 solution as the precipitation reagent. Two different feeding ways were adopted during the precipitation process. The physical properties of...
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