Preparation of spherical LiNi0.5Mn1.5O4 with core-multilayer shells structure by co-precipitation method and long cycle performanceGuo-Jiang Zhou, Tao Yu, Yang Zhou and Li-Guo WeiE3S Web Conf., 213 (2020) 01011DOI: https://doi.org/10.1051/e3sconf/202021301011