Zhao, Kun, Yuanhao Wang, Lu Han, Yongfei Wang, Xudong Luo, Zhiqiang Zhang, and Ya Yang. “Nanogenerator-Based Self-Charging Energy Storage Devices”. Nano-Micro Letters 11 (March 9, 2019): 19. Accessed November 17, 2024. https://mail.nmlett.org/index.php/nml/article/view/222.