Chinese Teams Develop Long-Lasting In-Situ Expansion Force Monitoring Tech for Lithium-Ion Batteries

Published: May 9, 2025 16:39

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【Chinese Team Develops Long-Lasting "Health" Monitoring Technology for Lithium-Ion Batteries】Recently, Professor Tingrui Pan and Researcher Yu Chang from the Suzhou Institute for Advanced Research, University of Science and Technology of China, collaborated with Professor Peng Tan's team from the University of Science and Technology of China, and jointly worked with Professor Yongbing Tang and Researcher Fan Zhang's team from the Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, to successfully develop an efficient and stable in-situ expansion force monitoring technology for lithium-ion batteries. The research findings have been published in the journal National Science Review.
This new technology utilizes the electrolyte and materials inherent to lithium-ion batteries to construct a sensing interface, enabling high-precision pressure monitoring without the need for additional encapsulation steps. This design is highly compatible with battery materials, effectively addressing the stability issues of traditional flexible pressure sensors in corrosive environments. Experiments have demonstrated that this technology can sensitively respond to expansion force changes at the pascal level and operate stably inside the battery for over a month.

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