What are the most commonly used battery modeling and state estimation approaches?

This paper presents a systematic review of the most commonly used battery modeling and state estimation approaches for BMSs. The models include the physics-based electrochemical models, the integral and fractional order equivalent circuit models, and data-driven models.

What are battery models?

The battery models including the physics-based electrochemical models, the integral and fractional-order equivalent circuit models, and the data-driven models were summarized.

What is battery system modeling & state estimation?

The basic theory and application methods of battery system modeling and state estimation are reviewed systematically. The most commonly used battery models including the physics-based electrochemical models, the integral and fractional-order equivalent circuit models, and the data-driven models are compared and discussed.

How to classify battery models?

Classification of battery models One of the first steps of battery modeling is to decide, what is the purpose of the modeling. Every application of the model requires slightly different approaches and parameters. There is no strict rule, how to categorize battery models, same models can belong to more than one class.

Can a battery model be used as a circuit model?

However, if it is more important to use battery model as a part of more complex simulation, equivalent circuit model can provide required results. Sufficient accuracy can be achieved by using high order circuit models, without greater impact on computational efficiency and availability of input parameters.

Can a model be used to simulate a battery?

Presented models can be used for simulation of all sort of batteries with certain accuracy. In fact, accuracy defines the suitability of different models for different kinds of batteries. High accurate models, for example electrochemical, can handle any kind of technology including its specific behavior.