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ÏëÎÊһϣ¬ÎÄÏ×ÖÐ1.¡°the decrease of the Pt/HCS electrode is much slower, indicating that the mass transport on the Pt/HCS electrode is faster than that on the Pt/C electrode. The results indicate that the oxidation of methanol on the Pt/HCS electrode is controlled by activation polarization at lower scan rates because the microporous structure makes methanol able to access the active sites with ease.¡± 2. ¡°This plot shows a straight line for the Pt/C electrode at all scan rates, indicating a characteristic of concentration polarization.¡± ÕâЩ½áÂÛÔõôµÃ³öÀ´µÄ£¬ÓÐʲô¸ù¾ÝÂ𣿴ÓÑ»··ü°²µÄ²»Í¬É¨ÃèËÙ¶ÈÖÐÄܵóöÕâЩ½áÂÛ£¿ [ Last edited by happyboy2008 on 2008-9-11 at 16:37 ] |
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