Issue |
E3S Web Conf.
Volume 185, 2020
2020 International Conference on Energy, Environment and Bioengineering (ICEEB 2020)
|
|
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Article Number | 04001 | |
Number of page(s) | 3 | |
Section | Chemical Engineering and Food Biotechnology | |
DOI | https://doi.org/10.1051/e3sconf/202018504001 | |
Published online | 01 September 2020 |
A review of lithium ion batteries electrochemical models for electric vehicles
Beijing CATARC Technologu Co., Ltd., China Automotive Technology & Research Center, F/9, 2-7 Building ABP, 188Western Rd., South 4th Ring Rd., Fengtai District, Beijing, 100070, China
* Corresponding author’s e-mail: xingbo@catarc.ac.cn
The electrochemical model can reflect the electrochemical reactions inside the lithium ion battery, and the model parameters have practical physical significance. Therefore, it is commonly used in the simulation research of the life prediction and the cell decay mechanism analysis of the lithium ion battery. This paper mainly introduces three commonly used electrochemistry models: P2D model, SP model and extended SP model. The origin and research progress of three kinds of electrochemical models are described. The characteristics of the three models are analyzed and compared. P2D model can describe the battery reactions comprehensively, but the iterative solution is complicated. The SP model simplifies some electrochemical reactions and improves the computational speed of the model, but the accuracy is decreased. In order to solve the shortcoming of SP model, the electrochemical reaction omitted from SP model is introduced again, and the approximate solution is solved by mathematical method, so as to realize the balance between precision and computational complexity of the model. Based on the above analysis and the application scenarios of lithium ion battery, the further development of the lithium ion battery electrochemical model is prospected.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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