Aging of high power Li-ion cells during real use of electric vehicles

Currently, the vehicle manufacturers use the high power Li-ion technology to supply the electric and hybrid vehicles. This technology is able to ensure the power needed to propel the vehicle. Until now several studies have been made by the laboratories and manufacturers to characterise this technolo...

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Bibliographic Details
Published in:IET electrical systems in transportation 2017-03, Vol.7 (1), p.14-22
Main Authors: Rizoug, Nassim, Sadoun, Redha, Mesbahi, Tedjani, Bartholumeus, Patrick, LeMoigne, Philippe
Format: Article
Language:English
Subjects:
accelerated cycling
ageing
battery powered vehicles
Electric batteries
Electric power generation
Electric vehicles
Engineering Sciences
high power lithium‐ion cell aging
HP technology
hybrid electric vehicles
life testing
lithium compounds
Modelling
Requirements specifications
secondary cells
Special Issue: Design,Modeling and Control of Electric Vehicles:Selected Papers from IEEE Vehicle Power andPropulsion Conference (VPPC 2015)
Specifications
Transportation
Vehicles
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Summary:Currently, the vehicle manufacturers use the high power Li-ion technology to supply the electric and hybrid vehicles. This technology is able to ensure the power needed to propel the vehicle. Until now several studies have been made by the laboratories and manufacturers to characterise this technology. The aim of these test (electric, thermal, aging,…) is to make comparison between Li-ion technologies and choice the best one for each application. For that, they use accelerated cycling with different condition to characterise cells, what can reduce the tests duration. Unfortunately, this type of cycle cannot give us information about the aging of HP Li-ion technology under real use of the vehicle. Firstly, the requirements specification (vehicle specification, battery technologies, mission) has been presented. After that, the authors will present the test bench developed in the laboratory to characterise batteries and study the aging of the HP technology. Here the authors present the study of the Li-ion HP behaviour during almost 3 years and the modelling (electric, thermal and aging modelling) using a real driving cycle. The experimental results are compared with the results obtained with the developed ageing model. The obtained results prove the good performances of this technology in electric vehicle applications.
ISSN:2042-9738
2042-9746
2042-9746
DOI:10.1049/iet-est.2016.0012