Sensing systems for safe lithium-ion batteries | Nature Electronics

Sensors

Nature Electronics volume 8, page 452 (2025)Cite this article

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The sensing system consists of thin-film temperature and strain sensors and a wireless communication chip. The researchers — who are based at Beijing Institute of Technology, the University of Science and Technology Beijing, Tsinghua University, Westlake University, and the Chinese Academy of Sciences — integrated the system into commercial prismatic and cylindrical lithium-ion batteries. The sensor geometry was designed to match the size of the electrodes and tabs, and the modulation wave for the sensor signal was guided through the battery electrode to mitigate electromagnetic interference from the voltage signal of the batteries.

Using signals from the sensing system, as well as geometry-related models, abnormal temperature and strain signals in the ‘Swiss roll’ of the battery can be identified at an early stage, for failure diagnoses and warning. Experiments on commercial lithium-ion batteries showed that the sensing system causes only a slight impact in the electrochemical performance, with an average capacity after 1,000 cycles of 93.7% compared with 94.6% for batteries without the system.

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Yan Huang

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Correspondence to Yan Huang.

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Huang, Y. Sensing systems for safe lithium-ion batteries. Nat Electron 8, 452 (2025). https://doi.org/10.1038/s41928-025-01412-3

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Published: 26 June 2025

Issue Date: June 2025

DOI: https://doi.org/10.1038/s41928-025-01412-3

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