期刊
IEEE TRANSACTIONS ON ENERGY CONVERSION
卷 29, 期 3, 页码 558-566出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TEC.2014.2318205
关键词
Batteries; battery management systems (BMSs); electric vehicles (EVs); equivalent circuits; parameter extraction
资金
- Multidisciplinary Institute of Digitalization and Energy (MIDE) of Aalto University
- Finnish Funding Agency for Technology and Innovation (Tekes)
This paper presents an analytical time-domain-based parameter identification method for Thevenin-equivalent circuit-based lithium-ion battery models. The method is based on the analysis of voltage-relaxation characteristics of pulse discharge and pulse charge experiments, and the method can be used for both discharge and charge operation with any number of parallel resistor-capacitor branches. The use of the method is demonstrated for a second-order model and validated with a real-world duty cycle. Experimental results for a commercial lithium-ion battery module are presented.
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