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Synthesis of Li[Li0.2Mn0.54Ni0.13Co0.13]O2 Cathode Material in Acetate System for Lithium-Ion Battery

机译:Li [Li 0.2 Mn 0.54 Ni 0.13 Co 0.13 ] O 2 用于锂离子电池的醋酸酯系统中的阴极材料

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This paper adopted the co-precipitation method with acetate as raw material to prepare Li[Li0.2Mn0.54Ni0.13Co0.13] O2 in acetic acid system, which was analyzed by XRD, SEM and electrochemical testing methods, studying the performance of the cathode material under different calcining temperature and calcine time. The results showed that the optimum calcines temperature and time of the sample were respectively 800°Cand 8h; under the optimal calcine temperature and time, the first charge and discharge capacity was 161.788mAh/g and the discharge specific capacity was 92.242mAh/g at 0.1 C rate; after the 20 times cycle test, the charge and discharge efficiency of materials can be over 95%.
机译:本文采用醋酸盐作为原料的共析出方法,在乙酸系统中制备Li [Li0.2Mn0.54Ni0.13Co0.13] O2,通过XRD,SEM和电化学检测方法进行分析,研究了阴极材料在不同的煅烧温度下和煅烧时间。结果表明,样品的最佳煅烧温度和时间分别为800°CAND 8H;在最佳煅烧温度和时间下,第一个充电和放电容量为161.788mAh / g,排出的特定容量为92.242mAh / g,0.1℃。在20次循环试验后,材料的电荷和放电效率可超过95%。

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