{"id":13968,"date":"2016-05-18T09:00:35","date_gmt":"2016-05-18T01:00:35","guid":{"rendered":"\/\/m.iemloyee.com\/?p=13968"},"modified":"2016-05-17T11:18:58","modified_gmt":"2016-05-17T03:18:58","slug":"%e6%9e%90%e6%b0%a2%e5%8f%8d%e5%ba%94%e5%82%ac%e5%8c%96%e5%89%82%e6%9d%90%e6%96%99%e7%9a%84%e8%ae%be%e8%ae%a1%e5%8e%9f%e5%88%99%e3%80%90%e6%96%b0%e8%83%bd%e6%ba%90160518%e6%9c%9f%e3%80%91","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=13968","title":{"rendered":"\u6790\u6c22\u53cd\u5e94\u50ac\u5316\u5242\u6750\u6599\u7684\u8bbe\u8ba1\u539f\u5219\u3010\u65b0\u80fd\u6e90160518\u671f\u3011"},"content":{"rendered":"

\u4f17\u6240\u5468\u77e5\uff0c\u6c22\u80fd\u662f\u4e00\u79cd\u6e05\u6d01\u9ad8\u6548\u7684\u7406\u60f3\u80fd\u6e90\uff0c\u7535\u89e3\u6c34\u5236\u6c22\u662f\u5236\u6c22\u7684\u4e00\u79cd\u7406\u60f3\u9014\u5f84\u3002\u6700\u8fd1\uff0c\u6765\u81ea\u7f8e\u56fd\u963f\u8d21\u5b9e\u9a8c\u5ba4\u7684\u7814\u7a76\u5458Strmcnik\u5bf9\u7535\u89e3\u6c34\u6790\u6c22\u505a\u4e86\u4e00\u4e2a\u7b80\u77ed\u7684\u7efc\u8ff0\u3002<\/p>\n

\u6587\u7ae0\u6307\u51fa\uff0c\u8bbe\u8ba1\u548c\u5408\u6210\u4e00\u79cd\u9ad8\u6d3b\u6027\uff0c\u9ad8\u7a33\u5b9a\u6027\uff0c\u4f4e\u6210\u672c\u7684\u6790\u6c22\u50ac\u5316\u5242\u5bf9\u62d3\u5c55\u4ee5\u6c22\u4e3a\u57fa\u7840\u7684\u53ef\u66ff\u4ee3\u80fd\u6e90\u6280\u672f\u5177\u6709\u5341\u5206\u91cd\u8981\u7684\u610f\u4e49\u3002\u6839\u636e\u73af\u5883PH\u4e0d\u540c\uff0c\u5176\u65b9\u7a0b\u5f0f\u5206\u4e3a2 H+<\/sup>+2 e–<\/sup>\u2192H2<\/sub>\uff1b2 H2<\/sub>O+2 e–<\/sup>\u2192H2<\/sub>+2 OH–<\/sup>\u3002\u867d\u7136\u6790\u6c22\u53cd\u5e94\u88ab\u89c6\u4e3a\u6700\u7b80\u5355\u7684\u7535\u5316\u5b66\u53cd\u5e94\uff0c\u4f46\u662f\u51e0\u5341\u5e74\u6765\u56f0\u6270\u7740\u7535\u5316\u5b66\u4ea7\u6c22\u7684\u4e09\u4e2a\u57fa\u672c\u9650\u5236\u4f9d\u7136\u5b58\u5728\uff1ai)\u5bf9\u4e8e\u7535\u89e3\u6c34\u5236\u6c22\uff0c\u73b0\u5b9e\u5de5\u4e1a\u4e2d\u7684\u8fd0\u884c\u6548\u7387\u8fdc\u8fdc\u4f4e\u4e8e\u70ed\u529b\u5b66\u9650\u5236\uff081.223V\uff09\uff1bii)\u7535\u6781\u6750\u6599\u7684\u4f7f\u7528\u5bff\u547d\u592a\u77ed\uff1biii)\u7f3a\u4e4f\u6709\u6548\u7684\u4f4e\u6210\u672c\u50ac\u5316\u5242\u53d6\u4ee3\u8d35\u91d1\u5c5e\u6750\u6599\u3002\u76ee\u524d\uff0c\u4ee5\u5404\u79cd\u91d1\u5c5e\uff08Pt\uff0cPd\uff0cIr\uff0cRu\uff0cNi\uff09\u4e0e\u5408\u91d1\uff08Ni-Co\uff0cNi-Mo\uff0cNi-Mn\uff09 \u4e3a\u57fa\u5e95\uff0c\u901a\u8fc7\u7ed3\u5408\u5404\u79cd3d\u8fc7\u6e21\u91d1\u5c5e\uff083d-TM=Ni\uff0cCo\uff0cFe\uff0cMn\uff09\u53ca\u8fc7\u6e21\u91d1\u5c5e\u7684\u6c22\u6c27\u5316\u7269\uff083d-TM(OH)2<\/sub>\uff09\uff0c\u78f7\u5316\u7269\uff08CoP\uff0cNiP\uff09\uff0c\u78b3\u5316\u7269\uff08WCX<\/sub>\uff0cMoCX<\/sub>\uff09\uff0c\u786b\u5316\u7269\uff08MoS2<\/sub>\uff0cCoS2<\/sub>\uff0cFeS\uff0cMo3<\/sub>S13<\/sub>\uff09\u6765\u50ac\u5316H3<\/sub>O+<\/sup>(acid)\uff0cH2<\/sub>O(alkaline)\u4ea7\u751f\u6c22\u6c14\u3002\u4ee4\u4eba\u60ca\u5947\u7684\u662f\uff0c\u5728\u9178\u6027\u73af\u5883\u4e2d\u7684\u50ac\u5316\u6d3b\u6027\u8981\u6bd4\u5728\u78b1\u6027\u73af\u5883\u4e2d\u7684\u9ad8\u3002\u8fd9\u6697\u793a\u6790\u6c22\u53cd\u5e94\u5728\u9178\u6027\u548c\u78b1\u6027\u73af\u5883\u4e2d\u6709\u4e0d\u540c\u7684\u673a\u7406\u3002\u76ee\u524d\u4eba\u4eec\u8ba4\u4e3a\u6790\u6c22\u53cd\u5e94\u7684\u673a\u7406\u662f\u91d1\u5c5e-\u6c22\u539f\u5b50\u952e\u80fd\u7406\u8bba\uff0c\u4f46\u4f5c\u8005\u8ba4\u4e3a\u8fd9\u65e0\u6cd5\u89e3\u91ca\u78b1\u6027\u6761\u4ef6\u4e0b\u4f4e\u7684\u50ac\u5316\u6d3b\u6027\u3002\u56e0\u6b64\uff0c\u672c\u6587\u901a\u8fc7\u4e00\u7cfb\u5217\u5b9e\u9a8c\u7814\u7a76\u52a0\u4ee5\u63a2\u8ba8\u3002<\/p>\n

\"fig1\"<\/p>\n

\u56fe1. \u4e0d\u540cPH\u503c\u4e0b\uff0c Au (111)\u3001Pt (111)\u3001Ir-poly (\u91d1\u5c5e\u94f1\u7684\u805a\u5408\u7269) \u7684\u7535\u6d41-\u7535\u52bf\u6781\u5316\u66f2\u7ebf\uff08\u65cb\u8f6c\u901f\u73871600 rpm\uff0c\u626b\u63cf\u901f\u5ea650 mV\/s\uff09\u3002\u5b9e\u9a8c\u7684\u53c2\u6bd4\u7535\u6781\u662f\u6807\u51c6\u6c22\u7535\u6781\uff0c\u5b9e\u9a8c\u7535\u89e3\u6db2\u662f0.1 M NaClO4<\/sub>\uff0cPH\u901a\u8fc7NaOH\u548cHClO4<\/sub>\u8c03\u8282\u3002<\/p>\n

\u6587\u7ae0\u4ece\u4e0d\u540cPH\u503c\u4e0b\u7684\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u5c55\u5f00\u3002\u4ece\u56fe1\u4e2dAu (111)\u3001Pt (111)\u3001Ir-poly\u5728\u5206\u522b\u5728\u9178\u6027\u6761\u4ef6\uff08PH=1-4\uff09\uff0c\u4e2d\u6027\u6761\u4ef6\uff08PH=4-11\uff09\uff0c\u78b1\u6027\u6761\u4ef6\uff08PH=11-13\uff09\u4e0b\u7684HER\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51faPH\u7531\u9178\u81f3\u78b1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u50ac\u5316\u6d3b\u6027\u663e\u8457\u964d\u4f4e\u3002\u5728PH=1\u65f6\uff0cAu (111)\u7684\u7535\u6d41\u7535\u52bf\u66f2\u7ebf\u6bd4Pt (111)\u548cIr-poly\u9ad8\u51fa(~0.4-0.8V)\u7684\u8fc7\u7535\u52bf\uff0c\u8fd9\u7b26\u5408\u7ecf\u5178\u706b\u5c71\u56fe\u3002\u7136\u800c\uff0c\u5f53PH=4\u65f6\uff0c\u5178\u578b\u7684HER\u6781\u5316\u66f2\u7ebf\u53d1\u751f\u6539\u53d8\uff0c\u5728\u9ad8\u8fc7\u7535\u52bf\u533a\u663e\u793a\u51fa\u6269\u6563\u9650\u5236\u7535\u6d41\u3002<\/p>\n

\"fig2\"<\/p>\n

\u56fe2. (a) Pt (hkl)\u6676\u9762\u7684\u6e05\u6670\u53ef\u8fa8\u7684\u6676\u4f53\u7ed3\u6784\u5f71\u54cdHER\/HOR\uff1b(b) Pt (111)\uff0cPt (100)\uff0cPt (110)\u7684STM\u56fe\u4ee5\u53ca\u76f8\u5173\u7684\u7ed3\u6784\u6a21\u578b\u3002\u5728\u9884\u5904\u7406Pt (111)\u9762(e)\u4e0a\u5c55\u73b0\u51fa\u660e\u663e\u7684\u53f0\u9636\u548c\u4e00\u4e9b\u5c0f\u5c9b\uff0c\u7535\u6c89\u79ef\u7684Pt\u6676\u9762\u6709\u76ee\u7684\u5730\u4fee\u9970\u5927\u91cf\u7684\u5c0f\u5c9b\u4e0e\u9884\u5904\u7406Pt(111)\u7684\u4f0f\u5b89\u66f2\u7ebf\u663e\u793a\u51fa\u660e\u663e\u53d8\u5316\uff0c(g)\u56fe\u4e3a\u4e24\u4e2a\u9762\u5728\u4e0d\u540cPH\u503c\u4e0b\u7684HER\u66f2\u7ebf\uff0c(A)\/(A\u2019)\u4e3a\u9884\u5904\u7406\uff0c(B)\/(B\u2019)\u4e3a\u5904\u7406\u540e\u3002<\/p>\n

\u4ece\u56fe2\u4e2d\u8fdb\u4e00\u6b65\u89c2\u5bdf\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u4e24\u70b9\u7ed3\u8bba\uff1bi) \u4e0d\u540c\u6676\u9762\u50ac\u5316\u6d3b\u6027\u4e0d\u540c\uff0cPt (110)>Pt (100)>Pt (111)\uff1bii) \u901a\u8fc7\u5728Pt (111)\u9762\u4e0a\u7535\u5316\u5b66\u6c89\u79efPt\u539f\u5b50\uff0c\u8868\u9762\u7684HER\u53cd\u5e94\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u3002<\/p>\n

\"fig3\"<\/p>\n

\u56fe3. \u8fc7\u6e21\u91d1\u5c5e\u6c22\u6c27\u5316\u7269\u4fee\u9970\u7684Pt (111)\u6676\u9762\u7684\u6548\u679c\u3002(a-e)\u6c22\u6c27\u5316\u7269\u4fee\u9970\u8868\u9762\u7684STM\u5c55\u73b0\u51fa\u76f8\u5f53\u5927\u7684\u56e2\u7c07(7-10 nm)\u968f\u673a\u5206\u6563\u5728Pt (111)\u6676\u9762\u3002\u6781\u5316\u66f2\u7ebf\u6d4b\u8bd5\u7535\u89e3\u6db20.1 M KOH\uff0c\u626b\u901f50 mV\/s\uff0c1600 rpm\u3002<\/p>\n

\u4ece\u56fe3\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u51faPt-Ni(OH)2<\/sub>\u5177\u6709\u6700\u9ad8\u6d3b\u6027\uff0cPt-Mn(OH)2<\/sub>\u5177\u6709\u6700\u4f4e\u7684\u6d3b\u6027\u3002(f)\u4e3a\u5728Ni(OH)2<\/sub>\u56e2\u7c07\u4e0a\u6c34\u5206\u89e3\u7684\u539f\u7406\u56fe\uff0c\u5438\u9644\u6c22\u5728Pt\u8868\u9762\u91cd\u65b0\u7ec4\u5408\u6210H2<\/sub>\u3002<\/p>\n

\"fig4\"<\/p>\n

\u56fe4\uff0cPt\u56e2\u7c07\u91d1\u5c5e\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a50 A\/m2<\/sup>\u65f6\u7684\u8fc7\u7535\u52bf\u67f1\u72b6\u56fe\u3002\u7ea2\u8272\u4e3a\u9178\u6027\u73af\u5883\uff0c\u84dd\u8272\u4e3a\u78b1\u6027\u73af\u5883\uff0c\u7eff\u8272\u4e3aNi(OH)2<\/sub>\u4fee\u9970\u8868\u9762\u57280.1 M KOH\u4e2d\u3002\u5185\u63d2\u56fe\u4e3a\u5728PH=13\u548cPH=1\u65f6\uff0c\u6d3b\u6027\u7269\u8d28\u793a\u610f\u56fe\u3002<\/p>\n

\u91d1\u5c5e\u539f\u5b50\u3001\u6c22\u6c27\u5316\u7269\u4e2d\u7684\u6c22\u6c27\u6839\u57fa\u56e2\uff0c\u6216\u8005\u5176\u4ed6\u7269\u8d28\u90fd\u53ef\u4ee5\u6210\u4e3a\u8fd9\u79cd\u6d3b\u6027\u57fa\u56e2\u3002\u6b63\u5982\u56fe4\u6240\u793a\uff0cNi(OH)2<\/sub>\/M\u8868\u9762\u7684\u6d3b\u6027\u662f\u5176\u4ed6\u88f8\u91d1\u5c5e\u7684(~3-5)\u500d\u3002<\/p>\n

\u8fd9\u662f\u4e00\u7bc7\u7b80\u77ed\u7684\u6587\u732e\u7efc\u8ff0\uff0c\u9610\u8ff0\u4e86HER\u53cd\u5e94\u673a\u7406\u548c\u5f71\u54cd\u56e0\u7d20\u3002\u4f17\u6240\u5468\u77e5\uff0c\u5728\u9178\u6027\u7535\u89e3\u6db2\u548c\u78b1\u6027\u7535\u89e3\u6db2\u4e0b\uff0c\u50ac\u5316\u5242\u6709\u4e0d\u540c\u7684HER\u6d3b\u6027\uff0c\u6587\u7ae0\u4ece\u673a\u7406\u4e2d\u627e\u51fa\u539f\u56e0\u3002\u6587\u7ae0\u8fd8\u9610\u8ff0\u4e86\u7531\u4e8e\u50ac\u5316\u5242\u7684\u8868\u9762\u7ed3\u6784\u4e0d\u540c\uff0c\u548c\u8868\u9762\u6d3b\u6027\u6df7\u5408\u7269\u7684\u5b58\u5728\uff0c\u4f7f\u5f97HER\u6d3b\u6027\u5f97\u5230\u4fc3\u8fdb\u3002\u6587\u7ae0\u6700\u540e\u671f\u671b\u65b0\u7684\u539f\u4f4d\u5b9e\u9a8c\u8bbe\u5907\u7684\u51fa\u73b0\u53ef\u4ee5\u89c2\u6d4b\u5230\u50ac\u5316\u5242\u8868\u9762\u53cd\u5e94\u7269\u3001\u4e2d\u95f4\u4ea7\u7269\u548c\u4ea7\u7269\uff0c\u4ece\u800c\u89e3\u51b3HER\u53cd\u5e94\u4e00\u76f4\u56f0\u6270\u5927\u5bb6\u95ee\u9898\u3002<\/p>\n

\u672c\u6587\u4e8e2016\u5e74\u53d1\u8868\u5728Nano Energy\uff08IF= 10.325\uff09\u4e0a, \u6587\u732e\u94fe\u63a5\uff1aDesign principles for hydrogen evolution reaction catalyst materials<\/a><\/p>\n

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