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Real-Time Displacement and Strain Mappings of Lithium-Ion Batteries Using Three-Dimensional Digital Image Correlation

P. K., Leung and C., Moreno and I., Masters and S., Hazra and B., Conde and Mohd Rusllim, Mohamed and R. J., Dashwood and R., Bhagat (2014) Real-Time Displacement and Strain Mappings of Lithium-Ion Batteries Using Three-Dimensional Digital Image Correlation. Journal of Power Sources, 271. pp. 82-86. ISSN 0378-7753

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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: Article
Uncontrolled Keywords: Digital image correlation; Lithium-ion battery; Principal strain; stress; von-Mises strain
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division: Faculty of Electrical & Electronic Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 17 Dec 2014 07:38
Last Modified: 26 Jul 2018 04:16
URI: http://umpir.ump.edu.my/id/eprint/7449
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