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ÎÒÊÇ×ö½é¿×Co3O4²ÄÁϵģ¬ÂÛÎÄÉó¸åÒâ¼ûÓÐÒ»Ìõ£º According to reference [10] (Fig. 3 in[10]), the Co2/Co3 transition for v = 20 mV/s corresponds to the potential ~ +0.1 V (SCE). According to the data of the reviewed study (Fig. 4a), the same transition at v = 10 mV/s corresponds to V = 0.4 V (Hg/HgO, 1M KOH), i.e., ~ +0.25 V (SCE). The difference on peak potentials Co2/Co3 in anodic and cathodic scans is higher in the reviewed study as compared with [10]. What the reason for the high overpotentials of the redox reaction in ??3?4-?? as compared with Co3O4 synthesized in [10] ? ¸Õ¿ªÊ¼¸ãµç»¯Ñ§£¬overpotentialÕâЩ¶¼²»Ì«Çå³þ£¬ÎÒ¸ÃÈçºÎ׼ȷµÄ»Ø´ðÉó¸åÈË£¿ ÎÄÖÐ??3?4-?? ΪÏÔʾµÄÂÒÂ룬·¢À´Óʼþ¾ÍÕâÑùµÄ¡£ ÏÂÃæÏȸ½ÉÏreference [10] Fig. 3 ÔÙ¸½ÉÏÎÒµÄCVͼ

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