Abstract
Pulse thermography was used to experimentally evaluate lithium-ion battery electrode quality. Lab manufactured electrodes with gross defects, thickness variation, and composition variation all were detectable with this method. Thickness variation was shown to have a one to one ratio percent change in thickness to percent change in thermal response. A thickness difference of 4 μm (4 % of total) was detectable with the method. Lab electrodes were compared with commercial electrodes with comparable results. Both types of electrodes showed a significant thickness oscillation that has not previously been reported regarding lithium-ion battery electrodes.
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© 2014 The Society for Experimental Mechanics, Inc.
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Sharp, N., Adams, D., Caruthers, J., O’Regan, P., David, A., Suchomel, M. (2014). Lithium-Ion Battery Electrode Inspection Using Flash Thermography. In: Tandon, G., Tekalur, S., Ralph, C., Sottos, N., Blaiszik, B. (eds) Experimental Mechanics of Composite, Hybrid, and Multifunctional Materials, Volume 6. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. https://doi.org/10.1007/978-3-319-00873-8_4
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DOI: https://doi.org/10.1007/978-3-319-00873-8_4
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