Online Internal Temperature Estimation for Lithium-Ion Batteries Based on Kalman Filter

@inproceedings{Sun2015OnlineIT,
  title={Online Internal Temperature Estimation for Lithium-Ion Batteries Based on Kalman Filter},
  author={Jinlei Sun and Guo Wei and Lei Pei and Rengui Lu and Zhenjie Li and Chao Wu and Chunbo Zhu},
  year={2015}
}
The battery internal temperature estimation is important for the thermal safety in applications, because the internal temperature is hard to measure directly. In this work, an online internal temperature estimation method based on a simplified thermal model using a Kalman filter is proposed. As an improvement, the influences of entropy change and overpotential on heat generation are analyzed quantitatively. The model parameters are identified through a current pulse test. The charge/discharge… CONTINUE READING

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