[1
]State Key Laboratory of Solidification Processing, Center for Nano Energy Materials,
School of Materials Science and Engineering, Shaanxi Joint Laboratory of Graphene,
Northwestern Polytechnical University, Xi’an 710072, P. R. China
[2
]International Research Center for Composite and Intelligent Manufacturing Technology,
Institute of Chemical Power Sources, School of Science, Xi’an University of Technology,
Xi’ an 710048, P. R. China
[3
]National Centre for Computational Design and Discovery of Novel Materials (MARVEL),
École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland