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×î½üͶ¸åһƪÂÛÎÄ£¬Ö÷±àµÄÉó¸åÒâ¼ûÖÐÓÐÕâÑùÒ»¾ä»°£ºFig. 3B clearly demonstrates the main problem of the subsequent kinetic data treatment: the reaction is surely irreversible, and hystereis is rather pronounced. This can result from some changes of the electrode surface state, like self-poisoning. Under these circumstances, the construction of Tafel plots from any voltammetry (even at low scan rate) is senseless, Tafel plot makes sense only for steady-state proceses with coinciding direct and reverse courses. ÎÒÈÏΪӦ¸ÃÊÇ˵ѻ··ü°²ÇúÏß·´Ó¦·å²»Ã÷ÏÔ£¬ÓÐÖͺó£¬ÊÇÓÉÓÚµç»ú±íÃæ±ä»¯»òÖж¾²úÉúµÄ£¬ÔÚÕâ¸öÌõ¼þÖв»ÄÜͨ¹ý·ü°²·¨µÃµ½TafelÇúÏߣ¬ÎÒÏëÇëÎÊһϣ¬Õâ¸öÎÊÌâ¸ÃÈçºÎ»Ø´ð£¿ |
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