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Accurate prediction of the State of Health for lithium-ion batteries is critical to ensure the operational safety and prolong the service life of energy storage systems. However, conventional purely data-driven models and physics-informed neural network often suffer from limited accuracy and poor generalization when dealing with battery samples exhibiting diverse electrochemical characteristics. To address these challenges, this paper proposes a Physics-Informed Neural Network integrated with Transformer for state of health prediction (PI-TNet). The framework introduces a Convolutional Data Processor to extract multi-dimensional features of electrochemical processes, while incorporating the Verhulst model as learnable parameters within a Vision Transformer architecture. This hybrid design enables simultaneous capture of long-term temporal dependencies in sequential cycling data and precise modeling of battery degradation mechanisms. Extensive cross-dataset validation using both NASA and CALCE battery datasets demonstrates that PI-TNet significantly outperforms existing methods in handling long-sequence prediction tasks while achieving better accuracy and generalization performance. © 2025 The Author(s)
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International Journal of Electrical Power and Energy Systems
ISSN: 0142-0615
Year: 2025
Volume: 172
5 . 0 0 0
JCR@2023
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ESI Highly Cited Papers on the List: 0 Unfold All
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