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Data for A new approach to the internal thermal management of cylindrical battery cells for automotive applications
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Worwood, Daniel, Kellner, Quirin, Wojtala, Malgorzata, Widanage, Widanalage Dhammika, McGlen, R., Greenwood, David G. and Marco, James (2017) Data for A new approach to the internal thermal management of cylindrical battery cells for automotive applications. [Dataset]
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Microsoft Excel (Dataset to support: 'A new approach to the internal management of cylyndrical battery cells)
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Official URL: http://wrap.warwick.ac.uk/85965
Abstract
Conventional cooling approaches that target either a singular tab or outer surface of common format cylindrical lithium-ion battery cells suffer from a high cell thermal resistance. Under an aggressive duty cycle, this resistance can result in the formation of large in-cell temperature gradients and high hot spot temperatures, which are known to accelerate ageing and further reduce performance. In this paper, a novel approach to internal thermal management of cylindrical battery cells to lower the thermal resistance for heat transport through the inside of the cell is investigated. The effectiveness of the proposed method is analysed for two common cylindrical formats when subject to highly aggressive electrical loading conditions representative of a high performance electric vehicle (EV) and hybrid electric vehicle (HEV). A mathematical model that captures the dominant thermal properties of the cylindrical cell is created and validated using experimental data. Results from the extensive simulation study indicate that the internal cooling strategy can reduce the cell thermal resistance by up to 67.8 ± 1.4% relative to single tab cooling, and can emulate the performance of a more complex pack-level double tab cooling approach whilst targeting cooling at a single tab.
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TL Motor vehicles. Aeronautics. Astronautics |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Lithium ion batteries -- Temperature control , Heat pipes, Electric vehicles, Hybrid electric vehicles | |||||||||||||||||||||
| Journal or Publication Title: | Journal of Power Sources | |||||||||||||||||||||
| Publisher: | University of Warwick, Warwick Manufacturing Group | |||||||||||||||||||||
| Official Date: | 9 February 2017 | |||||||||||||||||||||
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| Status: | Peer Reviewed | |||||||||||||||||||||
| Media of Output (format): | .xlsx | |||||||||||||||||||||
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