Chapter 1. Graphene overview / Xufeng Zhou, Wei Wang, and Zhaoping Liu -- chapter 2. Synthesis of graphene / Wei Wang, Hailiang Cao, Xufeng Zhou, and Zhaoping Liu -- chapter 3. Applications of graphene in lithium ion batteries / Xufeng Zhou and Zhaoping Liu -- chapter 4. Applications of graphene in new-concept batteries / Xufeng Zhou and Zhaoping Liu -- chapter 5. Applications of graphene in supercapacitors / Chao Zheng, Xufeng Zhou, Hailiang Cao, and Zhaoping Liu -- chapter 6. Applications of graphene in solar cells / Fuqiang Huang, Dongyun Wan, Hui Bi, and Tianquan Lin -- chapter 7. Applications of graphene in fuel cells / Xuejun Zhou, Jinli Qiao, and Yuyu Liu