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Gaoussou Hadia Fofana
Beijing Institute of Technology

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Electric Vehicle Lithium Ion Batteries Thermal Management Gaoussou Hadia Fofana; You Tong Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 3: March 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

The lithium ion batteries, thanks to their high densities and high power, became promotes element for hybrid-electric and plug-in electric vehicles. Thermal management of lithium ion battery is important for many reasons, including thermal runaway, performance and maintains a constant temperature during the operating, security, lifecycle. However, in a battery pack, the batteries are stacked against each other without cooling surfaces except the outer surface of the package and the cell in the center of pack are exposed to overheating and thermal runaway. After several recent researches, it has been proved that lithium ion batteries are currently confronts a problem of temperature rise during their operation discharge, which affects the batteries performance, efficiency and reduces the life of lithium ion batteries.  However, this work is set to access the three dimensional analytical modeling based on Green’s Function technique to study the thermal behavior of lithium ion battery during discharge with different discharge rates (0.3C, C/2, 1C, 2C) and strategies natural convection cooling on the surface of the battery is performed. DOI : http://dx.doi.org/10.11591/telkomnika.v12i3.4026
Electro-thermal Modeling of Lithium ion Batteries Gaoussou Hadia Fofana; Youtong Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 5: May 2014
Publisher : Institute of Advanced Engineering and Science

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Abstract

In this paper, the electro-thermal model of Lithium-ion battery for electric vehicles and its related application were studied. The spatial variations of electrode parameter and the reaction heat generated inside battery must be considered when developing an electro-thermal model of Lithium-ion battery for electric vehicles, to ensure the applicability of the developed model under different operating conditions. The results showed that: with increasing state of charge, the spatial variations of net reaction current density, lithium ion concentration on the surface of active material particles, activation overpotential, equilibrium electrode potential and electrical potential of solid phase are reduced, but the spatial variation of electrical potential of electrolyte phase is enlarged. DOI : http://dx.doi.org/10.11591/telkomnika.v12i5.5016
Co-Authors You Tong Zhang Youtong Zhang