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Despite their unrivaled performance and longevity, Lithium Ion batteries (LIBs) are also increasingly recognized as a safety hazard, especially in large scale energy storage installations. Although high-voltage battery packs and modules can be subject to numerous failure modes which are not present at the single cell scale, safety testing on full-scale battery packs can be prohibitively expensive and highly destructive to perform. In this talk, we demonstrate the importance of combining safety testing at the material, cell, and module scales to enhance the design of cells and packs which may mitigate the potential for catastrophe. Strategies to minimize full-scale testing requirements through a combination of carefully designed single cell tests and physics-based modeling are explored.
This webinar will focus on the following key topics:
• Bridging the gaps between safety concerns at single cell and module levels
• Experimental characterization of li-ion cells under abusive conditions
• Use of reference electrode instrumentation for degradation mode characterization
• Selection of safe battery materials to enhance cell and module level safety
• Role of modeling in ensuring safe battery design
Presenter
Conner Fear – Senior Ph.D. Candidate at Purdue University
Conner Fear is a senior Ph.D. candidate in the School of Mechanical Engineering at Purdue University. He is the laboratory manager of the Energy and Transport Sciences Laboratory (ETSL, https://engineering.purdue.edu/ETSL/), where he works under the guidance of Dr. Partha Mukherjee. Conner’s research interests include thermal safety and degradation of lithium-ion batteries, especially under extreme conditions such as fast charging and overdischarge. Throughout his studies, Conner has worked in the U.S. Naval Research Laboratory Chemistry Division with the team of Dr. Corey Love. His work is funded by the Office of Naval Research (ONR) Naval Undersea Research Program (NURP).
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