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5Â¥2009-01-21 10:04:41
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This was explained by assuming that, in the presence of the polymer film, stripping of the metals was thermodynamically more reversible as the oxidized metal species were retained close to the electrode surface by the negatively charged sulfonic groups of the Nafion film, so that the effects of diffusion were reduced. Õâ¿ÉÒÔÕâÑù½âÊÍ£º¼ÙÉèÓоۺÏÎﱡĤ±£»¤×Å£¬½ðÊô°þÍѵÄÈÈÁ¦Ñ§¹ý³Ì¾Í±äµÃ¿ÉÄæ£¬ÒòΪ½çÃæÉϽðÊôµÄÑõ»¯²ã±»È«·ú»ÇËᱡĤÖдø¸ºµçµÄ»ÇËá»ùÍÅÏÞ֯ס£¬ËùÒÔÀ©É¢Ð§Ó¦Ò²¾Í½µµÍÁË¡£ |

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