System dynamics analysis and evaluation of state-of-charge for lithium batteries

Chien Hsun Wu; Jien Feng Tsai; Shih Ming Lo; Tsu Yang Tsai; Chung Ching Lin; Yi-xuan Hong; Pin Yung Chen

doi:10.1109/ESIAT.2010.5567423

System dynamics analysis and evaluation of state-of-charge for lithium batteries

Chien Hsun Wu^*, Jien Feng Tsai, Shih Ming Lo, Tsu Yang Tsai, Chung Ching Lin, Yi-xuan Hong, Pin Yung Chen

^*Corresponding author for this work

Department of Industrial Education

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

This study focuses on the system dynamics and the state-of-charge (SOC) evaluation of a lithium battery module. The analysis and comparison of the differences between the linear model and the nonlinear model are carried out. Using AC impedance approach, the mathematical model can be established via a surveyed equivalent circuit. The linear model is thus constructed. With the nonlinear behavior investigated from experimental results, the nonlinear mathematical model is further established. Next, the measured nonlinear electric capacity of the battery module can be employed to derive the approach of nonlinear SOC evaluation. This research can precisely develop the nonlinear system model and evaluate the nonlinear SOC by analyzing the experimental data.

Original language	English
Title of host publication	2010 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010
Pages	391-394
Number of pages	4
Volume	4
DOIs	https://doi.org/10.1109/ESIAT.2010.5567423
Publication status	Published - 2010 Oct 15
Event	2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010 - Wuhan, China Duration: 2010 Jul 17 → 2010 Jul 18

Other

Other	2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010
Country/Territory	China
City	Wuhan
Period	2010/07/17 → 2010/07/18

Keywords

Linear system
Lithium battery
Nonlinear system
State-of-charge

ASJC Scopus subject areas

Information Systems and Management
Environmental Science(all)

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10.1109/ESIAT.2010.5567423

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System dynamics analysis and evaluation of state-of-charge for lithium batteries. / Wu, Chien Hsun; Tsai, Jien Feng; Lo, Shih Ming; Tsai, Tsu Yang; Lin, Chung Ching; Hong, Yi-xuan; Chen, Pin Yung.

2010 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010. Vol. 4 2010. p. 391-394 5567423.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Wu, CH, Tsai, JF, Lo, SM, Tsai, TY, Lin, CC, Hong, Y & Chen, PY 2010, System dynamics analysis and evaluation of state-of-charge for lithium batteries. in 2010 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010. vol. 4, 5567423, pp. 391-394, 2nd Conference on Environmental Science and Information Application Technology, ESIAT 2010, Wuhan, China, 2010/07/17. https://doi.org/10.1109/ESIAT.2010.5567423

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abstract = "This study focuses on the system dynamics and the state-of-charge (SOC) evaluation of a lithium battery module. The analysis and comparison of the differences between the linear model and the nonlinear model are carried out. Using AC impedance approach, the mathematical model can be established via a surveyed equivalent circuit. The linear model is thus constructed. With the nonlinear behavior investigated from experimental results, the nonlinear mathematical model is further established. Next, the measured nonlinear electric capacity of the battery module can be employed to derive the approach of nonlinear SOC evaluation. This research can precisely develop the nonlinear system model and evaluate the nonlinear SOC by analyzing the experimental data.",

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AU - Wu, Chien Hsun

AU - Tsai, Jien Feng

AU - Lo, Shih Ming

AU - Tsai, Tsu Yang

AU - Lin, Chung Ching

AU - Hong, Yi-xuan

AU - Chen, Pin Yung

PY - 2010/10/15

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N2 - This study focuses on the system dynamics and the state-of-charge (SOC) evaluation of a lithium battery module. The analysis and comparison of the differences between the linear model and the nonlinear model are carried out. Using AC impedance approach, the mathematical model can be established via a surveyed equivalent circuit. The linear model is thus constructed. With the nonlinear behavior investigated from experimental results, the nonlinear mathematical model is further established. Next, the measured nonlinear electric capacity of the battery module can be employed to derive the approach of nonlinear SOC evaluation. This research can precisely develop the nonlinear system model and evaluate the nonlinear SOC by analyzing the experimental data.

AB - This study focuses on the system dynamics and the state-of-charge (SOC) evaluation of a lithium battery module. The analysis and comparison of the differences between the linear model and the nonlinear model are carried out. Using AC impedance approach, the mathematical model can be established via a surveyed equivalent circuit. The linear model is thus constructed. With the nonlinear behavior investigated from experimental results, the nonlinear mathematical model is further established. Next, the measured nonlinear electric capacity of the battery module can be employed to derive the approach of nonlinear SOC evaluation. This research can precisely develop the nonlinear system model and evaluate the nonlinear SOC by analyzing the experimental data.

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KW - Lithium battery

KW - Nonlinear system

KW - State-of-charge

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System dynamics analysis and evaluation of state-of-charge for lithium batteries

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Keywords

ASJC Scopus subject areas

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