Optimized electrochemical performance of LiMn0.9Fe0.1−x Mg x PO4/C for lithium ion batteries - Yi, Huihua; Hu, Chenglin; Fang, Haisheng; Yang, Bin; Yao, Yaochun; Ma, Wenhui; Dai, Yongnian (Electrochimica Acta, 2011)