Preparation of 3D Frame Material for Lithium Metal Battery Anode Based on Waste Lithium-ion Battery Anode GraphiteJingjie Ren, Feiyang Yang, Meiling Wang, Zhaolin Gou, Ziyi Chen, Xinrong Hu, Cunzhong Zhang and Ying YaoE3S Web of Conf., 406 (2023) 01033DOI: https://doi.org/10.1051/e3sconf/202340601033