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Energies 2015, 8(5), 4513-4528; doi:10.3390/en8054513

Lithium-Ion Battery Cell Cycling and Usage Analysis in a Heavy-Duty Truck Field Study

1
Scania CV AB, SE-151 87 Södertälje, Sweden
2
Department of Chemical Engineering and Technology, Applied Electrochemistry, School of Chemical Science and Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
*
Author to whom correspondence should be addressed.
Academic Editor: Joeri Van Mierlo
Received: 18 March 2015 / Revised: 11 May 2015 / Accepted: 12 May 2015 / Published: 20 May 2015
(This article belongs to the Special Issue Advances in Plug-in Hybrid Vehicles and Hybrid Vehicles)
View Full-Text   |   Download PDF [1059 KB, uploaded 20 May 2015]   |  

Abstract

This paper presents results from a field test performed on commercial power-optimized lithium-ion battery cells cycled on three heavy-duty trucks. The goal with this study was to age battery cells in a hybrid electric vehicle (HEV) environment and find suitable methods for identifying cell ageing. The battery cells were cycled on in-house developed equipment intended for testing on conventional vehicles by emulating an HEV environment. A hybrid strategy that allows battery usage to vary within certain limits depending on driving patterns was used. This concept allows unobtrusive and low-cost testing of battery cells under realistic conditions. Each truck was equipped with one cell cycling equipment and two battery cells. One cell per vehicle was cycled during the test period while a reference cell on each vehicle experienced the same environmental conditions without being cycled. Differential voltage analysis and electrochemical impedance spectroscopy were used to identify ageing of the tested battery cells. Analysis of driving patterns and battery usage was performed from collected vehicle data and battery cell data. View Full-Text
Keywords: hybrid electric vehicle; HEV; lithium-ion battery; dV/dQ; Electrochemical Impedance Spectroscopy (EIS) hybrid electric vehicle; HEV; lithium-ion battery; dV/dQ; Electrochemical Impedance Spectroscopy (EIS)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Svens, P.; Behm, M.; Lindbergh, G. Lithium-Ion Battery Cell Cycling and Usage Analysis in a Heavy-Duty Truck Field Study. Energies 2015, 8, 4513-4528.

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