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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Previous articles 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.
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Article

Analysis of the key factors affecting the energy efficiency of batteries in electric vehicle

by
Rengui Lu
1,*,
Aochi Yang
1,
Yufeng Xue
2,*,
Lichao Xu
2 and
Chunbo Zhu
1
1
Harbin Institute of Technology, Harbin, China
2
First Automobile Works, Changchun, China
*
Authors to whom correspondence should be addressed.
World Electr. Veh. J. 2010, 4(1), 9-13; https://doi.org/10.3390/wevj4010009
Published: 26 March 2010
Versions Notes

Abstract

The energy efficiency for electric vehicle battery is affected by many factors. Through the definition of energy efficiency we find the relationship between energy efficiency, voltage efficiency and coulomb efficiency. The factors such as current, internal resistance, SOC and temperature which affect coulomb efficiency and voltage efficiency, will affect energy efficiency as well. An equation is given to show how internal resistance and current influence the energy efficiency. The relationship between these factors and energy efficiency was analyzed through theory and experimental data. This will show ways to increase battery energy efficiency and improve the battery performance.
Keywords: Energy efficiency; Coulomb efficiency; Voltage efficiency; Electric vehicle battery Energy efficiency; Coulomb efficiency; Voltage efficiency; Electric vehicle battery

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MDPI and ACS Style

Lu, R.; Yang, A.; Xue, Y.; Xu, L.; Zhu, C. Analysis of the key factors affecting the energy efficiency of batteries in electric vehicle. World Electr. Veh. J. 2010, 4, 9-13. https://doi.org/10.3390/wevj4010009

AMA Style

Lu R, Yang A, Xue Y, Xu L, Zhu C. Analysis of the key factors affecting the energy efficiency of batteries in electric vehicle. World Electric Vehicle Journal. 2010; 4(1):9-13. https://doi.org/10.3390/wevj4010009

Chicago/Turabian Style

Lu, Rengui, Aochi Yang, Yufeng Xue, Lichao Xu, and Chunbo Zhu. 2010. "Analysis of the key factors affecting the energy efficiency of batteries in electric vehicle" World Electric Vehicle Journal 4, no. 1: 9-13. https://doi.org/10.3390/wevj4010009

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