介电谱
电阻抗
卫星
电池(电)
激发
平方(代数)
方波
电气工程
光谱学
电化学
计算机科学
材料科学
电信
电子工程
物理
电极
工程类
电压
航空航天工程
功率(物理)
数学
几何学
量子力学
作者
Hadrien Carbonnier,Henri Barde,Lorenzo Riga,Aurore Carré
出处
期刊:2019 European Space Power Conference (ESPC)
日期:2019-09-01
被引量:4
标识
DOI:10.1109/espc.2019.8932028
摘要
Electrochemical Impedance Spectroscopy was conducted on Li-Ion cells using a simple square current waveform as excitation signal, instead of the traditional sinusoidal sweep. Using a sampling rate of 1 kHz and a square wave period of 40 seconds, exploitable EIS data ranging from 0.025 Hz to 25 Hz could be extracted, which corresponds to the region where most of the useful data lies. Sensitivity of the method to sampling rate, square wave period and test current was explained, together with the effect of measurement noise on the final results. It was shown how current satellite technology could be used to produce such datasets in order to better estimate Battery State of Charge (SOC), State of Health (SOH) and Remaining Useful Lifetime (RUL).
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