Flexible All-Solid-State Supercapacitors and Micro-Pattern Supercapacitors / Yuqing Liu, Chen Zhao, Shayan Seyedin, Joselito Razal, Jun Chen -- Fiber/Yarn-Based Flexible Supercapacitor / Yang Huang, Chunyi Zhi -- Flexible Lithium Ion Batteries / Xuli Chen, Yingying Ma -- Flexible Sodium Ion Batteries: From Materials to Devices / Shengyang Dong, Ping Nie, Xiaogang Zhang -- 1D and 2D Flexible Carbon Matrix Materials for Lithium-Sulfur Batteries / Tianyi Wang, Yushu Liu, Dawei Su, Guoxiu Wang -- Flexible Electrodes for Lithium-Sulfur Batteries / Jia-Qi Huang, Meng Zhao, Rui Xu, Qiang Zhang -- Flexible Lithium-Air Batteries / Qing-Chao Liu, Zhi-Wen Chang, Kai Chen, Xin-Bo Zhang -- Nanodielectric Elastomers for Flexible Generators / Li-Juan Yin, Zhi-Min Dang -- Flexible Dye-Sensitized Solar Cells / Byung-Man Kim, Hyun-Gyu Han, Deok-Ho Roh, Junhyeok Park, Kwang Min Kim, Un-Young Kim, Tae-Hyuk Kwon -- Self-assembly in Fabrication of Semitransparent and Meso-Planar Hybrid Perovskite Photovoltaic Devices / Ravi K Misra, Sigalit Aharon, Michael Layani, Shlomo Magdassi, Lioz Etgar -- Flexible Organic Solar Cells / Lin Hu, Youyu Jiang, Yinhua Zhou -- Flexible Quantum Dot Sensitized Solar Cells / Yueli Liu, Keqiang Chen, Zhuoyin Peng, Wen Chen -- Flexible Triboelectric Nanogenerators / Fang Yi, Yue Zhang, Qingliang Liao, Zheng Zhang, Zhuo Kang -- Flexible Thermoelectric Materials and Devices / Radhika Prabhakar, Yu Zhang, Je-Hyeong Bahk -- Carbon-based Electrocatalysts for Water-splitting / Guoqiang Li, Weijia Zhou.