Abstract
Reducing the overall vehicle weight is an efficient, system-level approach to increase the drive range of electric vehicle, for which structural parts in auto-frame may be replaced by battery modules. Such battery modules must be structurally functional, e.g., energy absorbing, while the battery cells are not necessarily loading–carrying. We designed and tested a butterfly-shaped battery module of prismatic cells, which could self-unfold when subjected to a compressive loading. Angle guides and frictionless joints were employed to facilitate the large deformation. Desired resistance to external loading was offered by additional energy absorption elements. The battery-module behavior and the battery-cell performance were controlled separately. Numerical simulation verified the experimental results.
| Original language | English |
|---|---|
| Pages (from-to) | 218-222 |
| Number of pages | 5 |
| Journal | Journal of Modern Transportation |
| Volume | 25 |
| Issue number | 4 |
| Early online date | 6 Nov 2017 |
| DOIs | |
| Publication status | Published - Dec 2017 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2017, The Author(s).
Funding
This research was supported by the Advanced Research Projects Agency-Energy (ARPA-E) under Grant No. DE-AR0000396, for which we are grateful to Dr. Ping Liu, Dr. John Lemmon, Dr. Grigorii Soloveichik, Dr. Chris Atkinson and Dr. Dawson Cagle.
Keywords
- Battery module
- Electric vehicle
- Energy absorption
- Multifunctional
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