Yttrium Doping of Spherical Spinel LiMn 2O 4 Cathode Materials for Lithium Ion Batteries
HE Xiang-Ming*, PU Wei-Hua, CAI Yan, WANG XIAO-Qing, JIANG Chang-Yin, WAN Chun-Rong
Acta Chimica Sinica . 2005, (19): 1853 -1856 .