1. Guo, J.M., Dong, H.X., Sheng, W.H.: Optimal control strategy of regenerative braking energy recovery for electric vehicles. J. Jiangsu Univ. (Nat. Sci. Ed.) 39, 132–138 (2018)
2. Mao, X.Y.: Research on li-ion battery state of charge and active equalization technology. Master’s Thesis, Nanjing University of Posts and Telecommunications, Nanjing, China (2020)
3. Wang, E.L.: Research on modeling and SOC estimation of lithium-ion power battery for vehicles. Master’s Thesis, Jiangsu University, Zhenjiang, China (2020)
4. Yang, C.F., Wang, X.Y., Fang, Q.H., Dai, H.F., Cao, Y.Q., Wei, X.Z.: An online SOC and capacity estimation method for aged lithium -ion battery pack considering cell inconsistency. J. Energy Storage 29, 101250 (2020)
5. Wang, L., Lu, D., Liu, Q., Liu, L., Zhao, X.: State of charge estimation for LiFePO4 battery via dual extended kalman filter and charging voltage curve. Electrochim. Acta 296, 1009–1017 (2019)