Effects of Realistic Driving Profiles on the Degradation of Lithium-Ion Batteries
2023 IEEE International Transportation Electrification Conference (ITEC-India)(2023)
摘要
This study explores the aging characteristics of lithium-ion batteries under conventional cycling tests and realistic driving profile tests. We employ regular capacity tests and electrochemical impedance spectroscopy for a comprehensive analysis of state of health. For this investigation, we used commercial, round LiFePO
4
cells in the 21700 format. The findings highlight more severe capacity loss under realistic driving profile tests compared to conventional cycling. This discrepancy hinting towards recuperation phases as a key factor in accelerated aging for lithium-ion batteries used in electric vehicles. This research underscores the importance of using realistic load scenarios for assessing battery life and may contribute to the development of more advanced battery management systems in electric vehicles.
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关键词
State of Health,Realistic Driving Profile,SOH,Aging,Electrochemical impedance spectroscopy,Lithium-Ion Battery
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