Publikation: Optimal Design of Experiments for a Lithium-Ion Cell : Parameters Identification of an Isothermal Single Particle Model with Electrolyte Dynamics
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Advanced battery management systems rely on mathematical models to guarantee optimal functioning of Lithium-ion batteries. The pseudo-two dimensional (P2D) model is a very detailed electrochemical model suitable for simulations. On the other side, its complexity prevents its usage in control and state estimation. Therefore, the use of simplified electrochemical models such as the Single Particle Model with electrolyte dynamics (SPMe) is more appropriate, which exhibits good adherence to real data when suitably calibrated. This work focuses on a Fisher-based optimal experimental design for identifying the SPMe parameters assuming an isothermal setup. The proposed approach relies on an iterative nonlinear optimization scheme to minimize the covariance parameters matrix. At first, the parameters are estimated by considering the SPMe as the real plant. Subsequently, a more realistic scenario is considered where the isothermal P2D model is used to reproduce a real battery behavior. Results show the effectiveness of the optimal experimental design when compared to standard strategies.
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POZZI, Andrea, Gabriele CIARAMELLA, Stefan VOLKWEIN, Davide M. RAIMONDO, 2019. Optimal Design of Experiments for a Lithium-Ion Cell : Parameters Identification of an Isothermal Single Particle Model with Electrolyte Dynamics. In: Industrial & Engineering Chemistry Research. 2019, 58(3), pp. 1286-1299. ISSN 0888-5885. eISSN 1520-5045. Available under: doi: 10.1021/acs.iecr.8b04580BibTex
@article{Pozzi2019-01-23Optim-44965,
year={2019},
doi={10.1021/acs.iecr.8b04580},
title={Optimal Design of Experiments for a Lithium-Ion Cell : Parameters Identification of an Isothermal Single Particle Model with Electrolyte Dynamics},
number={3},
volume={58},
issn={0888-5885},
journal={Industrial & Engineering Chemistry Research},
pages={1286--1299},
author={Pozzi, Andrea and Ciaramella, Gabriele and Volkwein, Stefan and Raimondo, Davide M.}
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