Simulation of second-order RC equivalent circuit model of lithium battery based on variable resistance and capacitance

• Published in: Journal of Central South University Vol. 27; no. 9; pp. 2606 - 2613
• Main Authors: Ji, Yan-ju, Qiu, Shi-lin, Li, Gang
• Format: Journal Article
• Language: English
• Published: Changsha Central South University 01.09.2020; Springer Nature B.V
• Subjects: Capacitance; Electric vehicles; Engineering; Equivalent circuits; Lithium; Lithium batteries; Metallic Materials; Model accuracy; Open circuit voltage; State of charge; 锂电池; 参数识别; SOC estimation; SOC 估算; lithium battery; equivalent circuit model; parameter identification; 等效电路模型

With the rise of the electric vehicle industry, as the power source of electric vehicles, lithium battery has become a research hotspot. The state of charge (SOC) estimation and modelling of lithium battery are studied in this paper. The ampere-hour (Ah) integration method based on external characte...