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Identification and quantification of ageing mechanisms in Lithium-ion batteries using the EIS technique
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Pastor-Fernandez, Carlos, Widanage, Widanalage Dhammika, Marco, James, Gama-Valdez, Miguel-Angel and Chouchelamane, Gael. H. (2016) Identification and quantification of ageing mechanisms in Lithium-ion batteries using the EIS technique. In: 2016 IEEE Transportation Electrification Conference and Expo (ITEC), Dearborn, MI, USA, 27-29 Jun 2016 pp. 1-6. doi:10.1109/ITEC.2016.7520198
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WRAP_wmg-300716-2016_ieee_itec__1.pdf - Accepted Version - Requires a PDF viewer. Download (546Kb) | Preview |
Official URL: http://dx.doi.org/10.1109/ITEC.2016.7520198
Abstract
Ageing diagnosis in Lithium-ion batteries is essential to ensure their reliability and optimum performance over time. The Battery Management System (BMS) usually monitors battery ageing with the aid of two metrics: capacity and power fade. However, these metrics do not identify the main root causes of battery ageing. Using the Electrochemical Impedance Spectroscopy technique, this work proposes a novel method to identify and quantify ageing mechanisms over time. The method is applied to four parallelised Lithium-ion cells cycled with a constant driving profile for 500 cycles. As a result, Loss of Active Material (LAM) and Loss of Lithium Ions (LLI) were found to be the most pertinent ageing mechanisms over time for the four cells. Identification and quantification of ageing mechanisms will support novel battery lifetime control strategies within the BMS, so that potential failures during normal operation are prevented.
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 | ||||
Book Title: | 2016 IEEE Transportation Electrification Conference and Expo (ITEC) | ||||
Official Date: | 1 April 2016 | ||||
Dates: |
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Page Range: | pp. 1-6 | ||||
DOI: | 10.1109/ITEC.2016.7520198 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Date of first compliant deposit: | 1 August 2016 | ||||
Date of first compliant Open Access: | 1 August 2016 | ||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC), High Value Manufacturing Catapult, Innovate UK, Jaguar Land Rover (Firm) | ||||
Grant number: | EP/ I01585X/1 (EPSRC) | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 2016 IEEE Transportation Electrification Conference and Expo (ITEC) | ||||
Type of Event: | Conference | ||||
Location of Event: | Dearborn, MI, USA | ||||
Date(s) of Event: | 27-29 Jun 2016 |
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