溶胶-碳热法制备LiMxFe1-xPO4/C[M=Mg,Ni;x=0.06]及其电化学性能研究
Chemistry and Adhesion（2015）
Abstract
采用溶胶-碳热法制备LiMxFe1-xPO4/[M=Mg,Ni; x--0,0.06]复合正极材料,通过XRD、SEM、恒流充放电和循环伏安等测试方法研究了Mg和Ni掺杂对材料结构,形貌和电化学性能的影响.结果表明:Mg和Ni的适量掺杂并未改变材料的结构和形貌,但材料的充放电性能、循环稳定性和可逆性明显提升.LiNin0.06Feo0.94tP04/C的比容量、容量保持率均优于LiMg0.06Fe0.94PO4/C.
MoreKey words
LiMxFe1-xPO4/C,doping,Li-ion battery
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