Journal
SCIENTIFIC REPORTS
Volume 5, Issue -, Pages -Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/srep18237
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Funding
- United States Department of Energy (CAEBAT Program) through a subcontract from EC Power
- Pennsylvania State University Materials Research Institute Nanofabrication Lab
- National Science Foundation [ECS-0335765]
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We report reaction temperature sensing (RTS)-based control to fundamentally enhance Li-ion battery safety. RTS placed at the electrochemical interface inside a Li-ion cell is shown to detect temperature rise much faster and more accurately than external measurement of cell surface temperature. We demonstrate, for the first time, that RTS-based control shuts down a dangerous short-circuit event 3 times earlier than surface temperature-based control and prevents cell overheating by 50 degrees C and the resultant cell damage.
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