[Wei, Zengxi; Li, Fang; Ma, Jianmin] Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China.
[Manthiram, Arumugam] Univ Texas Austin, Texas Mat Inst, Mat Sci & Engn Program, Austin, TX 78712 USA.
[Ma, Jianmin; Feng, Yuezhan] Zhengzhou Univ, Minist Educ, Key Lab Mat Proc & Mold, Zhengzhou 450002, Henan, Peoples R China.
[Mai, Liqiang] Wuhan Univ Technol, Int Sch Mat Sci & Engn, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China.