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이 논문의 연구 히스토리 (4)
2021
A Low-Cost Multi-Channel EIS Instrument for Fast Evaluation of the Lithium-Ion Battery Cells and Modules for the Reuse of xEV Batteries
Gul Rahim
,
Woojin Choi
전력전자학회 학술대회 논문집
2021.07
학술대회자료
A Portable Impedance Spectroscopy Instrument for the Measurement of the Impedance Spectrum of High Voltage Battery Pack
Gul Rahim
,
Woo-Jin Choi
전력전자학회논문지
2021.06
학술저널
Development of a Low-Cost Portable EIS Instrument for Fast Evaluation of the xEV Battery Pack and Module
Gul Rahim
전기공학과
2021.01
학위논문
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초록· 키워드
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The battery’s State of Health (SOH) is a critical parameter in the process of battery use, as it represents the Remaining Useful Life (RUL) of the battery. Electrochemical Impedance Spectroscopy (EIS) is a widely used technique in observing the state of the battery. The measured impedance at certain frequencies can be used to evaluate the state of the battery, as it is intimately tied to the underlying chemical reactions. In this work, a low-cost portable EIS instrument is developed on the basis of the ARM Cortex-M4 Microcontroller Unit (MCU) for measuring the impedance spectrum of Li-ion battery packs. The MCU uses a built-in DAC module to generate the sinusoidal sweep perturbation signal. Moreover, it performs the dual-channel acquisition of voltage and current signals, calculates impedance using a Digital Lock-in Amplifier (DLA), and transmits the result to a PC. By using LabVIEW, an interface was developed with the real-time display of the EIS information. The developed instrument was suitable for measuring the impedance spectrum of the battery pack up to 1000 V. The measurement frequency range of the instrument was from 1 hz to 1 Khz. Then, to prove the performance of the developed system, the impedance of a Samsung SM3 battery pack and a Bexel pouch module were measured and compared with those obtained by the commercial instrument.
목차
Abstract
1. Introduction
2. Development of the Portable EIS System
3. Experimental Results
4. Conclusions
References
참고문헌 (13)
참고문헌 신청
R. Xiong / 2019 / Advanced battery management technologies for electric vehicles / John Wiley & Sons, Inc
U. Tröltzsch / 2006 / Characterizing aging effects of lithium ion batteries by impedance spectroscopy / Electrochimica Acta 51(8/9):1664~1672
K. Rumpf / 2017 / Experimental investigation of parametric cell-to-cell variation and correlation based on 1100 commercial lithium-ion cells / Journal of Energy Storage 14:224~243
A. L. Rue / 2019 / State-of-charge estimation of LiFePO4–Li4Ti5O12 batteries using history-dependent complex-impedance / Journal of The Electrochemical Society 166:A4041
X. Wang / 2019 / Estimation of state of health of lithium-ion batteries based on charge transfer resistance considering different temperature and state of charge / Journal of Energy Storage 21:618~631
U. Tröltzsch / 2006 / Characterizing aging effects of lithium ion batteries by impedance spectroscopy / Electrochimica Acta 51(8/9):1664~1672
K. Rumpf / 2017 / Experimental investigation of parametric cell-to-cell variation and correlation based on 1100 commercial lithium-ion cells / Journal of Energy Storage 14:224~243
A. L. Rue / 2019 / State-of-charge estimation of LiFePO4–Li4Ti5O12 batteries using history-dependent complex-impedance / Journal of The Electrochemical Society 166:A4041
X. Wang / 2019 / Estimation of state of health of lithium-ion batteries based on charge transfer resistance considering different temperature and state of charge / Journal of Energy Storage 21:618~631
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