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[求助] 铂碳电极的碳在测试过程碳被融掉

我刚接触电化学不久,有个问题想请教一下,在用旋转电极测试EIS谱时,可能是因为加的偏压不当,使得铂碳电极上的碳被融掉一层,想问一下,那些因素会造成铂碳电极上的碳被融掉呢?我做EIS谱时,误选为恒电流模式,加了0.75A的电流,电解液是0.1M KOH,采用Ag/AgCl参比电极,结果,电极表面的一层碳就被溶掉了。
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