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Battery retirement state prediction method based on real-world data and the TabNet model

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  • Zhang, Zhaosheng
  • Sun, Shoukun
  • Wang, Zhenpo
  • Lin, Ni

Abstract

Accurately predicting the retirement state of power batteries is essential for estimating their remaining useful life, optimizing resource recycling, and promoting sustainable development. This paper proposes a novel method for predicting the retirement state of battery based on multidimensional retirement feature fusion and the TabNet model. First, static data from 23,741 retired vehicles and dynamic operational data from 720 electric vehicles over three years were collected. After preprocessing, the retirement state of the battery was labeled. Next, a retirement-related feature extraction method was developed, integrating vehicle dimension, health dimension, and usage dimension to enrich the decision-making dimensions for battery retirement. Finally, a retirement state prediction model based on Bayesian optimization and TabNet was developed, and its performance was compared with other models. The experimental results show that the proposed method achieves an F1 score of 0.850 and an AUC of 0.977 on the test set, demonstrating its effectiveness in predicting battery retirement state based on real-world data.

Suggested Citation

  • Zhang, Zhaosheng & Sun, Shoukun & Wang, Zhenpo & Lin, Ni, 2025. "Battery retirement state prediction method based on real-world data and the TabNet model," Energy, Elsevier, vol. 334(C).
    • Handle: RePEc:eee:energy:v:334:y:2025:i:c:s0360544225034371
    DOI: 10.1016/j.energy.2025.137795
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