利用具有低共熔组成的LiOH-LiNO3混合锂盐体系,与高密度前驱体混合,经3阶段恒温烧结制备出高密度锂离子电池正极材料LiNi0.8Co0.15Mo0.05O2.X射线衍射分析表明合成的材料具有规整的层状α-NaFeO2结构.SEM显示材料的颗粒均匀.电性能测试表明,在0.2C放电倍率和3.0~4.3V的电压范围内,LiNi0.8Co0.15Mo0.05O2首次放电比容量达175mAh/g,且具有良好的循环性能.
参考文献
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