1. College of Science & Ministry-Province Jointly-Constructed Cultivation Base for State Key Laboratory of Processing for Mom-Ferrous Metal and Featured Materials & Key Laboratory of Nonferrous Materials and New Processing Technology, Guilin University of Technology, Guilin541004, China
2. Guangxi Novel Battery Materials Research Center of Engineering Technology, Center on Nanoenergy Research, School of Physics Science and Technology, Guangxi University, Nanning530004, P. R. China