1. Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy Materials, Guilin University of Electronic Technology, Guilin 541004, P R China
2. Novel Battery Materials Research Center of Engineering Technology, State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, School of Physical Science and Technology, Guangxi University, Nanning 530004, P. R. China