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Pu Xie

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Proceedings Article | 10 May 2024 Presentation

Characterization of electro-mechanical properties of MESC for EV applications

Saman Farhangdoust, Shabbir Ahmed, Pu Xie, Alexander Strange, Jeigyeong Jeon, Fu-Kuo Chang

Proceedings Volume PC12952, PC1295205 (2024) https://doi.org/10.1117/12.3015507

KEYWORDS: Batteries, Statistical modeling, Manufacturing

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Low mechanical capability currently limits the applicability of lithium-ion batteries for use in the structural components of electric vehicles and aircraft. This paper introduces a new Multifunctional Energy Storage Composites (MESC) concept to achieve a good balance between high energy density and mechanical strength with minimal compromise. The proposed MESC involves reinforcing lithium-ion battery cells using embedded rivets and integrates the cells into a CFRP composite structure. This research employs a combination of experimental and computational tools to conduct a comprehensive parametric study aimed at maximizing the mechanical and electrical performance of MESC. Multiple MESC samples underwent three-point bending tests and a multi-physics simulation model was developed using Abaqus to validate their manufacturing limits. The results demonstrate that the MESC significantly enhances the load transfer capabilities of CFRP composite sandwich structures with a battery core. This advancement holds promise for the development of electric vehicle body structures with improved performance.

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