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Effect of Doping on LiMn_2O_4 with Spinal anode Material

Wang Feng,Dai Yongnian,Cui Mengjia,Yao Yaochun (Research Institute of Vacuum Metallurgy and Material,Kunming University of Science and Technology,Yunnan Kunming 650093,China)  
Preparing anode material with fine performance and stable structure is the key for the production of electrode material of lithium ion battery,which has an excellant application prospect.LiMn_2O_4 is one of the anode material of lithium ion battery,due to its bad circulating performance and electrochemical stability,it is greatly limited in its industrialization.Doping is an effective method to improve its property.The circulating performance of LiMn_2O_4 can be improved significantly by doping the metal ion,which has strong M-O bond,stable octahedron structure and the ion radius similar to Mn ion.The influences of cation,anion and compounded doping on the electrochemical performance of LiMn_2O_4 are summarized.The effects of doping elements,such as Cr,Co,Al,Ni etc.on the LiMn_2O_4 are mainly introduced.
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