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¡¾·ÖÏí¡¿Modeling Electrocatalytic Reaction Systems from First Principles
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Modeling Electrocatalytic Reaction Systems from First Principles ×÷ÕߣºSALLY A. WASILESKI, CHRISTOPHER D. TAYLOR, AND MATTHEW NEUROCK(ÃÀ¹ú¸¥¼ªÄáÑÇ´óѧ£º»¯¹¤Ïµ½ÌÊÚ (´ß»¯»úÀí)£¬Ñ§Êõ´ø Í·ÈË) Electrocatalytic reaction systems demonstrate markedly different behavior than those carried out in the vapor phase or under ultrahigh vacuumconditions. The differences in reactivity can be attributed to the significant difference between the reaction environment of the electrocatalytic system which includes the presence of solution, electrolyte, and intrinsic as well as extrinsic potentials, in addition to the vapor phase system. The solution environment and the applied potential can stabilize or destabilize charge transfer events, thus influencing many of the physicochemical processes that occur at the surface of a working electrode and strongly impacting the activity, as well as the selectivity of the active catalyst. ±¾Îijö×ÔÒ»±¾ÊéµÄÒ»¸öÕ½ڣ¬Ö÷Òª½²ÊöÁËʹÓõÚÒ»ÐÔÔÀíÄ£Äâµç´ß»¯·´Ó¦Ìåϵ£¬ÎÄÕÂÖÐÏêϸÐðÊöÁËË®½á¹¹Ä£Ðͺ͵çÊÆµÄ¿¼ÂǶԵç´ß»¯·´Ó¦Àú³ÌµÄÓ°Ï죬²¢ÇÒ¸ø³öÁ˾ßÌåµÄ¾ÙÀý˵Ã÷¡£ »ØÌûÆÀ·ÖÊÇÒ»ÖÖÃÀµÂ£¬¸Ðл¸øÎÒÆÀ·ÖµÄ¸÷λ£¡ http://www.namipan.com/d/6289991 ... 0755d75bd6cc2211000 http://www.namipan.com/d/6289991b8d0a21f6065d3788335a80755d75bd6cc2211000 [ Last edited by mingdong on 2009-12-9 at 08:17 ] |
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