Component-wise physics-based modelling of a lithium-ion battery for power equalization

Weatherhog, Samuel and Sharma, Rahul (2013). Component-wise physics-based modelling of a lithium-ion battery for power equalization. In: 2013 IEEE Power and Energy Society General Meeting (PES): Proceedings. PES-GM 2013: IEEE Power and Energy Society General Meeting 2013, Vancouver, BC, Canada, (1-5). 22-25 July, 2013. doi:10.1109/PESMG.2013.6672206

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Author Weatherhog, Samuel
Sharma, Rahul
Title of paper Component-wise physics-based modelling of a lithium-ion battery for power equalization
Conference name PES-GM 2013: IEEE Power and Energy Society General Meeting 2013
Conference location Vancouver, BC, Canada
Conference dates 22-25 July, 2013
Proceedings title 2013 IEEE Power and Energy Society General Meeting (PES): Proceedings
Journal name Proceedings of the IEEE Power & Energy Society General Meeting
Place of Publication Piscataway, NJ, USA
Publisher Institute of Electrical and Electronic Engineers
Publication Year 2013
Sub-type Fully published paper
DOI 10.1109/PESMG.2013.6672206
ISBN 9781479913039
ISSN 1944-9925
Start page 1
End page 5
Total pages 5
Collection year 2014
Language eng
Formatted Abstract/Summary
Lithium-ion batteries are fast becoming the battery of choice in applications such as electric/hybrid electric vehicles (EV/HEV) and renewable energy systems. This increasing usage demands an improved reliability of the battery systems, which in turn heavily relies on the control and optimization algorithms. Of particular importance is ensuring that each lithium-ion cell within a battery pack remains strictly within an acceptable charge range to avoid untimely degradation of the battery pack. Unfortunately, current battery models make the design of charge equalization circuitry difficult due to their limitations. The aim of this paper is to develop a component-wise control-oriented physics-based battery pack model to facilitate implementation of advanced model-based control and optimization algorithms. In the first stage some existing results are used to obtain a simplified electrochemical ODE model of an individual lithium-ion cell. Then, the cell model is used as the building block of the complete battery pack model. Different charge/discharge scenarios are presented to illustrate the potential of the modeling approach in facilitating the implementation of advanced control and optimization algorithms in improved power equalization and hence prolonging the battery pack lifetime.
Keyword Control-oriented battery modeling
Power equalization
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Thu, 05 Sep 2013, 15:45:09 EST by Rahul Sharma on behalf of School of Information Technol and Elec Engineering