Research on New Battery System with Energy-Saving and Environment-Friendly Materials Li Junming, Zhang Fang, Yu Xiaochen, Su Hainan, Yu Xin, Pang Jing and Xie Hongxu E3S Web Conf., 252 (2021) 03010 Published online: 23 April 2021 DOI: 10.1051/e3sconf/202125203010