Dr. Zhong Lin Wang is the Director of the Beijing Institute of Nanoenergy and Nanosystems, and Regents' Professor and Hightower Chair at Georgia Institute of Technology. Dr. Wang pioneered the nanogenerators field for distributed energy, self-powered sensors and large-scale blue energy. Dr. Wang has received the Nano Research award (2022), Celsius Lecture Laureate, Uppsala University, Sweden (2020); The Albert Einstein World Award of Science (2019); Diels-Planck lecture award (2019); ENI award in Energy Frontiers (2018); The James C. McGroddy Prize in New Materials from American Physical Society (2014); and MRS Medal from Materials Research Soci. (2011). Dr. Wang was elected as a foreign member of the Chinese Academy of Sciences in 2009, member of European Academy of Sciences in 2002, academician of Academia of Sinica 2018, International fellow of Canadian Academy of Engineering 2019. Dr. Wang is the founding editor and chief editor of an international journal Nano Energy, which now has an impact factor of 19.0.Yan Zhang is a professor at University of Electronic Science and Technology of China. He received Ph.D degree from Lanzhou University in 2004. He is senior member of IEEE. His research interests include piezotronics, piezo-phototronics, self-powered nano/micro system, modeling of nonlinear dynamics of NEMS. He has authored more than 170 peer-reviewed journal articles in these fields.Weiguo Hu is a principal investigator at the Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences (CAS), China. He received his PhD degree from the Institute of Semiconductors, CAS, in 2007. His research focuses on gallium nitride-based piezotronic/piezo-phototronic devices and wearable self-powered nanosystems. He has authored more than 110 peer-reviewed journal articles in these fields.