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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

High power LiFePO4 cell evaluation: Fast charge, Depth of Discharge and Fast discharge dependency

1
University of Oviedo, Department of Electrical Engineering, Campus de Gijón, s/n, Módulo 3, 33204, Gijón, Asturias, Spain
2
University of Oviedo, Department of Physical and Analytical Chemistry, Campus de Gijón, s/n, Edificio Polivalente, 33204, Gijón, Asturias, Spain
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2013, 6(3), 653-662; https://doi.org/10.3390/wevj6030653
Published: 27 September 2013
PDF [841 KB, uploaded 18 May 2018]

Abstract

High power lithium iron phosphate (LFP) batteries suitable for Electric Vehicles are tested in this work. An extended cycle-life testing is carried out, consisting in various types of experiments: standard cycling, optimized fast charge with high constant current discharge (4 C) and simulating driving dynamic stress protocols (DST). The fast charge/DST discharge tests are carried out with depth of discharge (DOD) dependency (100% DOD and partial 50% DOD discharge). A complete analysis of the cycling results is developed, showing an overall good performance of the tested batteries. In all of experiments, long term U.S. Advanced Battery Consortium goals are met: fast charging, cycle life and specific energy. Only the long term specific energy goal is not achieved, which is a drawback intrinsic in this technology. The results provide useful information for battery selection, BMS designs and other applications in EV industry.
Keywords: Cycle life evaluation; Fast-charge protocol; Dynamic stress tests; Lithium iron phosphate Cycle life evaluation; Fast-charge protocol; Dynamic stress tests; Lithium iron phosphate
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

Anseán, D.; Viera, J.; González, M.; García, V.; Álvarez, J.; Antuña, J. High power LiFePO4 cell evaluation: Fast charge, Depth of Discharge and Fast discharge dependency. World Electr. Veh. J. 2013, 6, 653-662.

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World Electr. Veh. J. EISSN 2032-6653 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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