A perovskite-type oxide,La_(0.8)Sr_(0.2)MnO_3,was synthesized by the organic solvent sol-gel method.The desired metal cations were chelated in a solution by usi
The cathode materials LiMn2O4 and rare earth elements La-doped or La and F dual-doped spinel lithium manganese oxides were synthesized by the citric acid-assist