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Controlling the Precursor Morphology of Ni-Rich Li(Ni0.8Co0.1Mn0.1)O2 Cathode for Lithium-Ion Battery

    https://doi.org/10.1142/S1793292019501030Cited by:6 (Source: Crossref)

    Ni-rich Li(Ni0.8Co0.1Mn0.1)O2 cathode material is widely recognized as one of the most cathode materials for lithium-ion batteries due to its high specific capacity, high energy density and low cost. In this paper, the NCM cathode material precursor Ni0.8Co0.1Mn0.1(OH)2 was prepared by coprecipitation method and the optimum experimental conditions were investigated. The effects of water bath temperature on the electrochemical performances of the prepared materials were investigated by controlling the morphology. The results showed that 60C was the best bath temperature for the precursor which has a regular spheroidal morphology and uniform particles with the diameter of 10μm. After coprecipitation, the samples calcined under oxygen atmosphere displayed good electrochemical properties. The discharge specific capacity is up to 194mAhg1 and 134mAhg1 at 0.2C and 5C, respectively. The initial coulombic efficiency is 87.57% at 0.2C.