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关于EIS阻抗谱~求科普：PEIS和GEIS的区别 已有2人参与
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如题，在很多电化学工作站中存在着这两种测试，在文献上也看到过这样的解释，但是还是不太理解，还求科普 For example, in corrosion applications, the polarization resistance is often determined under potential control around the open circuit voltage (OCV). This is an appropriate approach if the corrosion potential does not change during the measurement. However, if the corrosion potential drifts, a potentio controlled experiment defined to run at OCV could result in a measurement being performed at an anodic or cathodic potential with respect to the true OCV. Under galvano control, drift is not a problem as the desired zero-current condition is maintained throughout the recording, ensuring the measurement is performed at the true corrosion potential [1]. In battery applications, it is often of interest to determine the variation of internal resistance during discharge/charge. In this case it may also be appropriate to use the galvano control in EIS measurements |
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