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Internal temperature prediction of Lithium-ion cell using differential voltage technique
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Tripathy, Yashraj, McGordon, Andrew, Low, John C. T. and Marco, James (2017) Internal temperature prediction of Lithium-ion cell using differential voltage technique. In: 2017 IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, USA, 22-24 Jun 2017. Published in: 2017 IEEE Transportation Electrification Conference and Expo (ITEC) pp. 464-467. ISBN 9781509039043. doi:10.1109/ITEC.2017.7993315
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Official URL: http://dx.doi.org/10.1109/ITEC.2017.7993315
Abstract
The performance of a Lithium-ion cell is strongly dependent on cell operating temperature. However, the measured temperature is often obtained from thermocouples attached to the surface of the cell. These measurements may not be representative of the internal temperature of the cell especially for lower ambient temperatures and high C-rates. A novel method utilizing differential voltage to predict the internal temperature of a 40 Ah Lithium-ion pouch cell is proposed. The difference between internal and measured external temperatures depends upon the C-rate and ambient temperature. For a continuous-rate discharge, the difference, between surface and measured temperatures, rises at beginning of discharge before peaking in the middle region and reducing towards the end-of-discharge. The outcome of this study could positively support control strategies within a battery management system (BMS).
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Lithium ion batteries | ||||||
Journal or Publication Title: | 2017 IEEE Transportation Electrification Conference and Expo (ITEC) | ||||||
Publisher: | IEEE Computer Society | ||||||
ISBN: | 9781509039043 | ||||||
Book Title: | 2017 IEEE Transportation Electrification Conference and Expo (ITEC) | ||||||
Official Date: | 27 July 2017 | ||||||
Dates: |
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Page Range: | pp. 464-467 | ||||||
DOI: | 10.1109/ITEC.2017.7993315 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Date of first compliant deposit: | 2 October 2017 | ||||||
Date of first compliant Open Access: | 2 October 2017 | ||||||
Funder: | Warwick Manufacturing Group, High Value Manufacturing Catapult, Jaguar Land Rover (Firm), Tata Motors | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | 2017 IEEE Transportation Electrification Conference and Expo (ITEC) | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Chicago, IL, USA | ||||||
Date(s) of Event: | 22-24 Jun 2017 |
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