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Research from US Department of Energy’s CAEBAT Program for Improved Li-Ion Battery Safety to Be Presented at 2nd Battery Safety Conference - Thermal Runaway, Internal Short & Nail Penetration
Dr. Chao-Yang Wang, Distinguished Professor at The Pennsylvania State University, to Present "Breakthrough in Large-Format Li-ion Battery Safety through Computer Simulation”
Currently, whether or not a battery is safe is assessed by a set of abuse tests that are not as sensitive and accurate as they should be. Researchers at the Penn State Electrochemical Engine Center, working with engineers at EC Power, as part of the DOE CAEBAT program, have developed computer models and tools to simulate the processes of nail penetration, internal shorting, and thermal runaway in automotive Li-ion batteries with complex geometries. Dr. Wang will show the effects of nail diameter and penetration speed during partial or full penetration, location of shorting, and cell capacity on safety characteristics. He will highlight fundamental insight into safety events and propose safety-enhancement strategies. Combined with experimental validation, computer simulation offers a possibility to design inherently safe batteries for automotive applications.
Battery Safety 2011 is conveniently timed with Lithium Battery Power 2011 and will address the concerns raised by widely publicized safety incidents and recalls of lithium-ion batteries by exploring the following topics:
- Major battery degradation and reliability factors
- Battery management systems
- Commercial cell evaluation and failure analysis
- Advances in testing techniques and protocols
- High throughput testing, automation and modeling for improved safety
- Regulatory issues
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