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September 20, 2025Journal of The Electrochemical SocietyOpen Access

State of Health Estimation Method for Lithium-Ion Batteries Based on BiLSTM-Transformer and Fusion Features

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Authors

PXPeng XuHLH.M. LiFCFang Cao

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Overview

Hybrid model predicts state of health in lithium-ion batteries using BiLSTM and transformer techniques, suggesting improved accuracy.

Key Points

  • The hybrid model achieves MAE and RMSE values below 1.12×10-2, indicating high prediction accuracy.
  • Incremental capacity analysis and differential thermal voltammetry curves are utilized as key features for prediction.
  • Feature fusion combines insights from BiLSTM and transformers to address long-term sequence prediction challenges.
  • The model is validated with NASA and Oxford datasets, demonstrating robustness in battery SOH estimation.

Cite This Study

Xu et al. (2025) studied this question.

synapsesocial.com/papers/68d46fcd31b076d99fa69e19https://doi.org/10.1149/1945-7111/ae0968
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Online Estimation of the Electrochemical Impedance Spectrum and Remaining Useful Life of Lithium-Ion Batteries2018 · 293 citations
  2. 2State of health estimation of lithium-ion batteries with a temporal convolutional neural network using partial load profiles2022 · 153 citations
  3. 3Data-Driven Degradation Modeling and SOH Prediction of Li-Ion Batteries2022 · 56 citations