Optimization of Reference Electrode of Lithium Ion Battery and Exploration of Lithium Evolution Boundary Potential AITranslate

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Chinese Library Classification Number:TM912[电气工程—电力电子与电力传动]

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By studying the effect of different current density on the preparation of reference electrode by electroplating, a step current electroplating method was proposed.The experimental results show that the reference electrode prepared with low current density has stable potential, but it is easy to fall off, the re-ference electrode prepared with high current density has firm combination but poor potential stability, and the reference electrode prepared by step current method has better stability and accuracy.The li-thium evolution potential of the negative electrode charged at different charging rates was explored by using the optimized reference electrode.The results show that the greater the charging rate, the easier the lithium evolution of the negative electrode.The lithium evolution potential boundary of the negative electrode is from-20 mV to-110 mV at 10 ℃.