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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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LiNi_(0.8)Co_(0.2)O_2的络合法合成及其电化学性能研究
, PP. 76-80
Keywords: LiNi0.8Co0.2O2,正极材料,络合法,锂离子电池
Abstract:
采用络合法制备了锂离子电池的活性正极材料LiNi0.8Co0.2O2粉体,该合成材料结晶良好,层状结构发育完善.电池充放电测试表明,作为锂离子电池正极,其电化学性能与LiNi0.8Co0.2O2粉体的合成温度有关,其中以900℃下合成得到的材料性能最优:第1次放电比容量高达142mAh/g,循环30次后可逆比容量仍高达122mAh/g,容量损失为14.5%.文中对容量退化的原因进行了分析.
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