Advanced Technologies for Characterizing and Detecting Battery Thermal Failure: A Review
Yongxiu Chen1,2, Zeyu Sun1,2, Wei Zong1
1Department of Engineering Science, University of Oxford, Oxford, UK.
Summary
Understanding thermal failure in lithium-ion batteries (LIBs) is crucial for safe energy storage. This review details failure causes, consequences, and advanced characterization techniques to prevent hazardous events.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Lithium-ion batteries (LIBs) are vital for clean energy transition.
- Thermal failure in LIBs poses significant safety risks, including fires and explosions.
- Understanding thermal failure mechanisms is critical for safe battery deployment.
Purpose of the Study:
- To review the causes and consequences of thermal failure in LIBs.
- To compare advanced characterization techniques for analyzing thermal and electrochemical failure.
- To explore how these techniques can improve battery management systems and industrial safety.
Main Methods:
- Review of existing literature on LIB thermal failure.
- Analysis of advanced characterization techniques: X-ray imaging, optical sensing, acoustic field imaging, and spectroscopy.
- Mechanistic insights into thermal runaway (TR) development and propagation.
Main Results:
- Detailed examination of thermal failure causes and consequences.
- Comparison of various advanced characterization methods for TR analysis.
- Insights into how thermal failures develop and propagate within batteries.
Conclusions:
- Advanced characterization tools offer significant potential for understanding and mitigating LIB thermal failures.
- These tools can inform the development of safer battery management systems and industrial practices.
- Future research should focus on overcoming challenges to achieve truly safe energy storage systems.
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