Research progress of energy equalization topology of power lithium battery pack Yinbao Miao, Wenhua Zhang, Weihao Liu, Dongqi Kang, Shuai Wang, Zhe Chen, Jia Liu, Biaoxian Chen and Leijing Zhu E3S Web Conf., 375 (2023) 02015 Published online: 27 March 2023 DOI: 10.1051/e3sconf/202337502015