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Optimal Battery-Structure Composites for Electric Vehicles

[+] Author Affiliations
Jun Ma, Christopher Rahn, Mary Frecker

Pennsylvania State University, University Park, PA

Paper No. ES2016-59177, pp. V002T01A003; 6 pages
  • ASME 2016 10th International Conference on Energy Sustainability collocated with the ASME 2016 Power Conference and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology
  • Volume 2: ASME 2016 Energy Storage Forum
  • Charlotte, North Carolina, USA, June 26–30, 2016
  • Conference Sponsors: Advanced Energy Systems Division, Solar Energy Division
  • ISBN: 978-0-7918-5023-7
  • Copyright © 2016 by ASME


Light-weighting is a key research area for reducing the cost of electric vehicles (EVs). In this paper, multifunctional battery-structure composites, PowerPanels, are introduced, modeled and analyzed. To demonstrate the advantages of PowerPanels in EV applications, the Tesla Model S85 frame is redesigned. Component masses and bending stiffnesses are estimated for Tesla’s original design. The optimal PowerPanel design minimizes the vehicle weight under geometric, mechanical, and energy constraints. Including vehicle mass compounding effect, the redesigned vehicle is 350 kg lighter and its chassis is 0.418 m3 smaller, with the same mechanical rigidity and driving range.

Copyright © 2016 by ASME



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