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Deformation and Failure Behavior of Cylindrical Lithium-ion Batteries Subjected to Mechanical Loading K. K. Wagh IEER, Nashik
- Format:
- Book
- Conference/Event
- Author/Creator:
- Aphale, Siddharth, author.
- Conference Name:
- International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility (2020-09-25 : Chennai, India)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2020
- Summary:
- It is of critical importance to understand the failure behavior of Lithium Ion batteries subjected to mechanical loading order to improve crash safety of electric vehicles. The deformation of battery pack during collision or crash events results in catastrophic events and thus it becomes necessary to study the failure of the battery during crash. The goal of this research is to understand the mechanical and electrical failure characteristics of cylindrical Lithium Ion cells subjected to deformation. This paper talks about the experimental investigations of material failure in the electrode assemblies id est the jellyroll of lithium ion batteries after mechanical loading which eventually leads to electrical failure, short circuit and at times violent thermal runaway scenarios. Experiments are carried out on NCA chemistry 18650 cylindrical cells under various loading conditions in a custom designed fumehood which capture the various failure modes of the cell in a module or a battery pack in crash events. The loading conditions include indentation by a hemispherical punch, flat circular punch, lateral indentation by a cylindrical rod, compression between two flat plates in horizontal and vertical terminals orientations, and three-point bending. The understanding of mechanical abuse induced short circuit behavior of Li Ion cells will aid in further development of battery crash models thereby optimizing battery pack development cycle for xEV applications
- Notes:
- Vendor supplied data
- Publisher Number:
- 2020-28-0484
- Access Restriction:
- Restricted for use by site license
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