Dr. Wei Tang is a professor in the Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences. He received his Ph.D. degree from Peking University in 2013. He visited CMI of EPFL to participate in a Swiss-China joint Project in 2012. After graduation, he worked at the Beijing Institute of Nanoenergy and Nanosystems as a postdoctoral research fellow. His research interests are micro/nano-devices, principle investigation of triboelectric nanogenerators, power transformation and management, and self-powered wireless sensing networks.