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Comparison of Lithium-Ion Battery Models for Simulating Storage Systems in Distributed Power Generation

Faculty of Computer Science and Engineering, Frankfurt University of Applied Sciences, 60318 Frankfurt/Main, Germany
Inventions 2019, 4(3), 41; https://doi.org/10.3390/inventions4030041
Received: 9 June 2019 / Revised: 1 August 2019 / Accepted: 2 August 2019 / Published: 6 August 2019
(This article belongs to the Special Issue Innovative Battery Systems and Energy Storage)
Lithium-ion batteries are well known in numerous commercial applications. Using accurate and efficient models, system designers can predict the behavior of batteries and optimize the associated performance management. Model-based development comprises the investigation of electrical, electro-chemical, thermal, and aging characteristics. This paper focuses on the analysis of models describing the electrical behavior. In particular, it investigates how cell voltage and state of charge can be determined with sufficient accuracy for a given load profile. For this purpose, the Thevenin-based, the Rint, and the Shepherd’s models, as well as a generic library model of an electronic circuit simulation software package, are compared. The procedure for determining model parameters is discussed in detail. All models are evaluated for the application in the analysis of distributed power generation. The validation is carried out by comparing simulation and measurement results with the help of a case study. View Full-Text
Keywords: lithium-ion battery; equivalent circuit model; simulation; distributed generation lithium-ion battery; equivalent circuit model; simulation; distributed generation
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Hinz, H. Comparison of Lithium-Ion Battery Models for Simulating Storage Systems in Distributed Power Generation. Inventions 2019, 4, 41.

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