Poster
New Insights using Isothermal Calorimetry and High Precision Cycling
Authors: Vincent L. Chevrier, Larry J. Krause, Steven Recoskie, Dean D. MacNeil, Zilai Yan, Mark N. Obrovac
Institution: Cyclikal
Technology: TAM IV Calorimeter
Parasitics and Lifetime Predictions in Commercial Cells
High precision isothermal microcalorimetry and coulometry were performed at various temperatures on commercial 18650s allowing a quantification of the temperature dependence of parasitics. Identical commercial cells underwent long-term cycling. Parasitics and cycle life as a function of temperature and rate are compared. The results demonstrate the applicability of isothermal microcalorimetry as a technique for commercial cell development or evaluation.
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