Yapeng Zhou1, Biao Guo2
1China Merchants Testing Vehicle Technology Research Institute Co., Ltd., Chongqing, China
2Information Engineering Institute, Chongqing Vocational and Technical University of Mechatronics, Chongqing, China
As an important technology of battery management system, state of health estimation of lithium-ion battery is the basis of electric vehicle range estimation and predictive maintenance, and also an important parameter to help correct and improve the accuracy of state of charge estimation. The state of health estimation technique for lithium-ion batteries is reviewed and classified into direct and indirect methods, the advantages and disadvantages of different categories is described as well. What’s more, health indicators for state of health estimation and their practicality is analyzed. Finally, it is pointed out that state of health estimation for lithium-ion batteries on electric vehicles should possess on-board practicality while ensure accuracy at varying wide temperature window.
Electric vehicle, lithium-ion battery, state of health estimation, health indicator
Yapeng Zhou, Biao Guo. A Review on State of Health Estimation for Lithium-ion Batteries. International Journal of Frontiers in Engineering Technology (2022), Vol. 4, Issue 10: 14-21. https://doi.org/10.25236/IJFET.2022.041003.
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