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A Convex Optimization Framework for the Optimal Design, Energy, and Thermal Management of Li-Ion Battery Packs

Freudiger, Danny
http://rave.ohiolink.edu/etdc/view?acc_num=osu1626941936708764

Abstract Details

2021, Doctor of Philosophy, Ohio State University, Mechanical Engineering.
The electrification of commercial medium- and heavy-duty (MD/HD) vehicles presents new challenges in the design and control of the hybrid powertrain. Advances in Li-Ion battery technology have increased the capabilities of the battery pack, providing more electric range and increased power characteristics. However, new approaches and tools are necessary to improve the overall system efficiency, where a single cell technology may not meet the vocation demand. This dissertation explores the use of a convex optimization framework for the optimal design, energy, and thermal management of Li-Ion battery packs. Convex optimization methods provide advantages in terms of problem formulation, computation speed, and the guarantee of a globally optimal solution. Leveraging a convex framework, new hybrid energy storage systems (HESS) are investigated, where high-energy and high-power batteries are combined in a single system to capitalize on the benefits of each technology. The implementation of a HESS introduces complexities in the pack design and energy management, which are presented through a Design Space Exploration comparing single chemistry and hybrid chemistry battery packs. In addition, the optimal control of the battery thermal management system (TMS) is developed using convex optimization, where new methodologies are explored to mitigate the propagation of approximation error that arise during the convexification process.
Marcello Canova (Advisor)
Giorgio Rizzoni (Committee Member)
Abhishek Gupta (Committee Member)
Mechanical Engineering
convex optimization; hybrid battery pack; hybrid energy storage system

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Citations

  • Freudiger, D. (2021). A Convex Optimization Framework for the Optimal Design, Energy, and Thermal Management of Li-Ion Battery Packs [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1626941936708764

    APA Style (7th edition)

  • Freudiger, Danny. A Convex Optimization Framework for the Optimal Design, Energy, and Thermal Management of Li-Ion Battery Packs. 2021. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1626941936708764.

    MLA Style (8th edition)

  • Freudiger, Danny. "A Convex Optimization Framework for the Optimal Design, Energy, and Thermal Management of Li-Ion Battery Packs." Doctoral dissertation, Ohio State University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1626941936708764

    Chicago Manual of Style (17th edition)

osu1626941936708764
174
© 2021, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.