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Real-time displacement and strain mappings of lithium-ion batteries using three-dimensional digital image correlation
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Leung, P. K., Moreno, C., Masters, Iain, Hazra, S. K. , Conde, B., Mohamed, M. R., Dashwood, R. J. and Bhagat, Rohit (2014) Real-time displacement and strain mappings of lithium-ion batteries using three-dimensional digital image correlation. Journal of Power Sources, Volume 271 . pp. 82-86. doi:10.1016/j.jpowsour.2014.07.184
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WRAP_0370545-wmg-160215-ec14-293.pdf - Accepted Version - Requires a PDF viewer. Download (925Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.jpowsour.2014.07.184
Abstract
This work presents the first application of three-dimensional digital image correlation for real-time displacement and strain analysis of a pouch type lithium-ion battery. During the electrochemical charge–discharge processes, displacements in the x-, y- and z-directions vary at different states-of-charge (SOCs) attributed to the expansion and the contraction of the interior structure. The z-displacement is observed to develop and concentrate at the vicinity of the openings of the jelly-roll structure. By resolving the displacement components, the progression and distribution of the surface strains, including principal and von-Mises strains, are computed in the charge–discharge processes. It is shown that the dominant strains are up to 0.12% in the rolling direction of the jelly-roll structure and distribute uniformly on the x–y plane over the surface.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||||
| Divisions: | Faculty of Science > Engineering Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
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| Library of Congress Subject Headings (LCSH): | Lithium ion batteries, Digital image correlation | ||||||||
| Journal or Publication Title: | Journal of Power Sources | ||||||||
| Publisher: | Elsevier S.A. | ||||||||
| ISSN: | 0378-7753 | ||||||||
| Official Date: | 7 August 2014 | ||||||||
| Dates: |
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| Volume: | Volume 271 | ||||||||
| Page Range: | pp. 82-86 | ||||||||
| DOI: | 10.1016/j.jpowsour.2014.07.184 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Funder: | Innovate UK |
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