{"id":140836,"date":"2018-06-02T14:00:44","date_gmt":"2018-06-02T06:00:44","guid":{"rendered":"\/\/m.iemloyee.com\/?p=140836"},"modified":"2018-05-31T21:07:25","modified_gmt":"2018-05-31T13:07:25","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7energy-environ-sci-%ef%bc%9ani-mo-o%e7%ba%b3%e7%b1%b3%e6%a3%92%e5%a4%8d%e5%90%88%e5%82%ac%e5%8c%96%e5%89%82%e7%94%a8%e4%ba%8e%e5%b0%bf%e7%b4%a0%e7%94%b5%e8%a7%a3%e9%ab%98","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=140836","title":{"rendered":"\u4e2d\u79d1\u5927Energy Environ. Sci.\uff1aNi-Mo-O\u7eb3\u7c73\u68d2\u590d\u5408\u50ac\u5316\u5242\u7528\u4e8e\u5c3f\u7d20\u7535\u89e3\u9ad8\u6548\u78b1\u6027\u6c34\u89e3\u4ea7\u6c22"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u4ece\u5316\u77f3\u71c3\u6599\u7ecf\u6d4e\u5411\u6c22\u7ecf\u6d4e\u7684\u8f6c\u53d8\u9700\u8981\u80fd\u591f\u9ad8\u6548\u5b58\u50a8\u6e05\u6d01\u3001\u53ef\u6301\u7eed\u4ee5\u53ca\u7ecf\u6d4e\u9ad8\u6548\u7684\u6c22( H2<\/sub> )\u71c3\u6599\u7684\u5b58\u50a8\u6280\u672f\u3002\u5927\u89c4\u6a21H2<\/sub>\u751f\u4ea7\u7684\u5e38\u89c4\u9014\u5f84\u5305\u62ec\u84b8\u6c7d\u91cd\u6574\u548c\u7164\u70ad\u6c14\u5316\uff0c\u4f46\u662f\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u91ca\u653e\u51fa\u5927\u91cf\u4e8c\u6c27\u5316\u78b3\uff0c\u5373\u4e3b\u8981\u6e29\u5ba4\u6c14\u4f53\u3002\u901a\u8fc7\u6c34\u89e3\u50ac\u5316H2<\/sub>\u751f\u4ea7\u4f3c\u4e4e\u662f\u4e00\u79cd\u6709\u5e0c\u671b\u7684\u800c\u4e14\u73af\u4fdd\u7684\u65b9\u6848\uff0c\u4f46\u76ee\u524d\u4e9f\u5f85\u89e3\u51b3\u7684\u95ee\u9898\u4ecd\u7136\u5b58\u5728:\u4f8b\u5982\uff0c\u7531\u4e8e\u7f13\u6162\u7684\u9633\u6781\u6790\u6c27\u53cd\u5e94(OER)\u52a8\u529b\u5b66\uff0c\u901a\u5e38\u9700\u8981\u76f8\u5f53\u5927\u7684\u8fc7\u7535\u4f4d\u6765\u5b9e\u73b0\u5339\u914d\u751f\u4ea7\u6240\u9700\u7684H2\u751f\u4ea7\u901f\u7387\u3002\u8fd9\u79cd\u9650\u5236\u53ef\u4ee5\u901a\u8fc7\u7528\u66f4\u5bb9\u6613\u6c27\u5316\u7684\u5206\u5b50\u6765\u4ee3\u66ff\u5f3a\u5927\u7684OER\u6765\u514b\u670d\uff0c\u4ece\u800c\u5b9e\u73b0H2<\/sub>\u7684\u8282\u80fd\u751f\u4ea7\u3002\u76ee\u524d\u7814\u7a76\u4eba\u5458\u5df2\u7ecf\u53d1\u73b0\u5982\u7532\u9187\u3001\u4e59\u9187\u3001\u80bc\u30015-\u7f9f\u7532\u57fa\u7ce0\u919b\u548c\u8132\uff0c\u56e0\u5b83\u4eec\u6709\u5229\u7684\u6c27\u5316\u70ed\u529b\u5b66\u800c\u80fd\u591f\u63d0\u9ad8\u7535\u89e3\u69fd\u7684\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u3002<\/p>\n \u5728\u6700\u8fd1\u5f00\u53d1\u7684\u8282\u80fd\u7535\u89e3\u6280\u672f\u4e2d\uff0c\u5c3f\u7d20\u7535\u89e3(CO(NH2<\/sub>)2<\/sub>+H2<\/sub>O-3H2<\/sub>+N2<\/sub>+CO2<\/sub>)\u7279\u522b\u5f15\u4eba\u6ce8\u76ee\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u540c\u65f6H2<\/sub>\u5e76\u4e14\u8fdb\u884c\u5bcc\u5c3f\u7d20\u5e9f\u6c34\u51c0\u5316\u3002\u4f7f\u7528\u5c3f\u7d20\u7535\u89e3\u4ee3\u66ff\u666e\u901a\u7684\u6c34\u7535\u89e3(2H2<\/sub>O-2H2<\/sub>+O2<\/sub>)\u53ef\u4ee5\u5c06\u70ed\u529b\u5b66\u7535\u52bf\u4ece1.23 V\u6539\u53d8\u5230\u4ec5\u4ec50.37 V\u3002\u7136\u800c\uff0c\u76ee\u524d\u5b58\u5728\u7684\u6311\u6218\u5728\u4e8e\u9633\u6781\u5c3f\u7d20\u6c27\u5316\u53cd\u5e94(\u5373CO (NH2<\/sub>)2<\/sub>+6OH-N2<\/sub>+CO2<\/sub>+5H2<\/sub>O+6e–<\/sup>\uff0cUOR )\u7684\u590d\u6742\u6027\uff0c\u5176\u7531\u4e8e6e–<\/sup>\u8f6c\u79fb\u8fc7\u7a0b\u800c\u7ecf\u5386\u7f13\u6162\u7684\u52a8\u529b\u5b66\uff0c\u5e76\u4e14\u9700\u8981\u9ad8\u6d3b\u6027\u50ac\u5316\u5242\u6765\u4fc3\u8fdb\u53cd\u5e94\u901f\u7387\u3002\u867d\u7136UOR\u53ef\u4ee5\u7531\u8d35\u91d1\u5c5e\u5982\u94c2\u548c\u94d1\u6709\u6548\u50ac\u5316\uff0c\u4f46\u662f\u65e8\u5728\u5927\u89c4\u6a21\u4f7f\u7528\u7684\u7cfb\u7edf\u9700\u8981\u9ad8\u6027\u80fd\u7684\u5ec9\u4ef7\u7684\u66ff\u4ee3\u50ac\u5316\u5242\u3002\u8fd1\u5e74\u6765\u5bf9UOR\u50ac\u5316\u5242\u7684\u7814\u7a76\u5df2\u7ecf\u4ea7\u751f\u4e86\u4e00\u7cfb\u5217\u7684UOR\u50ac\u5316\u5242\uff0c\u5982\u4e8c\u7ef4\u4e8c\u6c27\u5316\u9530\u6676\u4f53\u3001\u91d1\u5c5eNi(OH)2<\/sub>\u7eb3\u7c73\u7247\u3001Ni-Mo\u57fa\u7eb3\u7c73\u7ed3\u6784\u3001\u954d\u53ca\u5176\u590d\u5408\u6750\u6599\u3002\u5176\u4e2d\uff0cNi-Mo\u57fa\u50ac\u5316\u5242\u5f15\u8d77\u4e86\u4eba\u4eec\u7684\u5e7f\u6cdb\u5173\u6ce8\uff0c\u663e\u793a\u51fa\u4e86\u826f\u597d\u7684UOR\u6d3b\u6027\uff0c\u4f46\u5bf9UOR\u50ac\u5316\u5242\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u4ecd\u6709\u5f88\u9ad8\u7684\u8981\u6c42\u3002\u6b64\u5916\uff0c\u7531\u76f8\u540c\u7684\u4f4e\u6210\u672c\u524d\u9a71\u4f53\u6750\u6599\u5f00\u53d1\u9ad8\u6027\u80fd\u9633\u6781UOR\u50ac\u5316\u5242\u548c\u9634\u6781HER\u50ac\u5316\u5242\u5c06\u7b80\u5316\u7cfb\u7edf\u5e76\u964d\u4f4e\u5236\u9020\u6210\u672c\uff0c\u4f46\u8fd9\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\u6765\u81ea\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u7684\u9ad8\u654f\u9510\u6559\u6388\u548c\u4fde\u4e66\u5b8f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\uff09<\/strong>\u5728Energy Environ. Sci.<\/strong>\u53d1\u8868\u6587\u7ae0\uff0c\u9898\u4e3a\uff1aNi-Mo-O nanorod-derived composite catalysts for efficient alkaline water-to-hydrogen conversion via urea electrolysis<\/strong>\u3002\u672c\u6587\u62a5\u9053\u4e86\u4e00\u79cd\u5177\u6709\u9ad8\u6c27\u5316\u6001\u91d1\u5c5e\u5143\u7d20\u7684\u591a\u5b54\u68d2\u72b6NiMoO4<\/sub>\uff0c\u901a\u8fc7\u5c06NiMoO4<\/sub>xH2<\/sub>O\u4f5c\u4e3a\u524d\u9a71\u4f53\u91c7\u7528\u9000\u706b\u5de5\u827a\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5236\u5907\u51fa\u9ad8\u6548\u7684UOR\u7535\u50ac\u5316\u5242\u3002\u5f53\u5c06\u4fdd\u62a4\u6c14\u4f53\u4eceAr\u5207\u6362\u5230H2<\/sub>\/Ar\u65f6\uff0c\u8be5\u524d\u9a71\u4f53\u5f97\u5230\u884d\u751f\u7684Ni\/NiO\/MoOx<\/sub>\u7eb3\u7c73\u590d\u5408\u6750\u6599\uff0c\u5728\u78b1\u6027\u7535\u89e3\u8d28\u4e2d\u8868\u73b0\u51fa\u7528\u4e8e\u6790\u6c22\u53cd\u5e94(HER)\u7684\u7c7b\u94c2\u6d3b\u6027\u3002\u4f7f\u7528\u6211\u4eec\u5f00\u53d1\u7684UOR\u548cHER\u50ac\u5316\u5242\u5206\u522b\u4f5c\u4e3a\u9633\u6781\u548c\u9634\u6781\u7ec4\u88c5\u7535\u89e3\u6c60\u53ef\u4ee5\u5728\u4ec5\u4ec51.38\u4f0f\u7684\u7535\u89e3\u6c60\u7535\u538b\u4e0b\u63d0\u4f9b10 mA\/cm2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u4ee5\u53ca\u663e\u8457\u7684\u7a33\u5b9a\u6027\uff0c\u8fd9\u4ee3\u8868\u4e86\u8fc4\u4eca\u4e3a\u6b62\u62a5\u9053\u7684\u6700\u597d\u7684\u975e\u8d35\u91d1\u5c5e\u5c3f\u7d20\u7535\u89e3\u6c60\u3002\u7814\u7a76\u56e2\u961f\u7684\u7ed3\u679c\u8868\u660e\u4e86\u954d\u94bc\u57fa\u6750\u6599\u4f5c\u4e3a\u5c3f\u7d20\u7535\u89e3\u69fd\u9ad8\u6548\u7535\u6781\u50ac\u5316\u5242\u7684\u6f5c\u529b\uff0c\u6709\u671b\u5b9e\u73b0\u4f4e\u6210\u672c\u3001\u4f4e\u80fd\u8017\u7684H2<\/sub>\u751f\u4ea7\u65b9\u5f0f\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1. \u4f5c\u4e3aUOR\u50ac\u5316\u5242\u7684NF\/NiMoO-Ar \u548c\u4f5c\u4e3aHER\u50ac\u5316\u5242\u7684NF\/NiMoO-H2<\/sub>\u7684\u5236\u5907\u793a\u610f\u56fe<\/strong><\/p>\n \u56fe2. NF\/NiMoO-Ar\u548cNF\/NiMoO-H2<\/sub>\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n (a) NiMoO-Ar\u548cNiMoO-H2<\/sub>\u7684XRD\u56fe\uff1b<\/p>\n (b\u2013e) NiMoO-Ar\u7684SEM, TEM, HRTEM, \u4ee5\u53caSTEM-EDX\u56fe\uff1b<\/p>\n (f\u2013i) NiMoO-H2<\/sub> SEM, TEM, HRTEM, \u4ee5\u53caSTEM-EDX\u56fe\u3002(c\u548cg)\u7684\u63d2\u56fe\u5c55\u793a\u7684\u662fSAED\u56fe\u8c31\uff1b<\/p>\n \u56fe3. UOR\u548cHER\u7535\u50ac\u5316\u6027\u80fd<\/strong><\/p>\n (a) \u4e0d\u540cUOR\u548cOER\u50ac\u5316\u5242\u7684\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n (b) \u4e0d\u540c\u50ac\u5316\u5242UOR\u6d3b\u6027\u6bd4\u8f83\uff1b<\/p>\n (c) UOR\u548cOER\u5854\u83f2\u5c14\u659c\u7387\uff1b<\/p>\n (d) \u4e0d\u540c\u50ac\u5316\u5242HER\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n (e) NF\/NiMoO-H2<\/sub>\u548cNF\u2013Pt\/C \u50ac\u5316\u5242\u8fc7\u7535\u4f4d\u6bd4\u8f83\uff1b<\/p>\n (f) HER\u5854\u83f2\u5c14\u659c\u7387\uff1b<\/p>\n (g) NF\/NiMoO-Ar\u5728UOR\u548c NF\/NiMoO-H2<\/sub> \u5728HER\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u7684\u7a33\u5b9a\u6027\u6d4b\u8bd5\uff1b<\/p>\n \u56fe4. Ni 2p\u548cMo 3d XPS\u56fe<\/strong><\/p>\n (a\u548cb) NiMoO-Ar \u548cNiMoO-H2<\/sub>\u7684Ni 2p \u9ad8\u5206\u8fa8XPS(a) and Mo 3d \u9ad8\u5206\u8fa8XPS (b)\u56fe\uff1b<\/p>\n \u56fe5. NiMo-\u57fa\u7535\u6781\u6750\u6599\u7684\u5c3f\u7d20\u7535\u89e3\u6027\u80fd<\/strong><\/p>\n ( a )\u56fe\u793a\u4e86\u4ee5NF\/NiMoO-Ar\u4e3a\u9633\u6781\u3001NF\/NiMoO-H2<\/sub>\u4e3a\u9634\u6781\u7684\u81ea\u5236\u5c3f\u7d20\u7535\u89e3\u69fd\u3002<\/p>\n ( b )\u5c3f\u7d20\u7535\u89e3\u548c\u6c34\u7535\u89e3\u7684\u6781\u5316\u66f2\u7ebf\u6bd4\u8f83\u3002\u626b\u63cf\u901f\u7387: 2 mV s-1<\/sup>\uff1b<\/p>\n ( c )\u6bd4\u8f83\u5c3f\u7d20\u7535\u89e3\u548c\u6c34\u7535\u89e3\u8fbe\u5230\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u6240\u9700\u7684\u7535\u6c60\u7535\u538b\uff1b<\/p>\n ( d )\u57281.58 v\u7684\u7535\u6c60\u7535\u538b\u4e0b\u8fdb\u884c\u5c3f\u7d20\u7535\u89e3\u7684\u957f\u671f\u7a33\u5b9a\u6027\u8bd5\u9a8c\uff1b<\/p>\n \u3010\u603b\u7ed3\u3011<\/strong><\/p>\n \u7814\u7a76\u4eba\u5458\u62a5\u9053\u4e86\u65b0\u578b\u954d\u94bc\u57fa\u7eb3\u7c73\u590d\u5408\u50ac\u5316\u5242\uff0c\u5373NiMoO-Ar\u548cNiMoO-H2<\/sub>\uff0c\u7528\u4e8e\u5c3f\u7d20\u7535\u89e3\u5236\u6c22\u3002\u8be5\u50ac\u5316\u5242\u53ef\u4ee5\u901a\u8fc7\u6c14\u4f53\u9009\u62e9\u9000\u706b\u5de5\u827a\u5408\u6210\uff0c\u4f7f\u7528\u9884\u5148\u5408\u6210\u7684NiMoO4<\/sub>xH2<\/sub>O\u7eb3\u7c73\u68d2\u4f5c\u4e3a\u6bcd\u4f53\u6750\u6599\uff0c\u5e76\u4e14\u5176\u5206\u522b\u5bf9UOR\u548cHER\u663e\u793a\u51fa\u4f18\u5f02\u7684\u50ac\u5316\u6027\u80fd\u3002\u7531NiMoO-Ar\u9633\u6781\u548cNiMoO-H2<\/sub>\u9634\u6781\u7ec4\u6210\u7684\u53cc\u7535\u6781\u5c3f\u7d20\u7535\u89e3\u69fd\u4ec5\u9700\u89811.38 V\u7684\u5c0f\u7535\u538b\u5c31\u80fd\u5b9e\u73b010 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u5e76\u4e14\u6027\u80fd\u975e\u5e38\u7a33\u5b9a\uff0c\u8fd9\u662f\u76ee\u524d\u62a5\u9053\u7684\u6700\u597d\u7684\u975e\u8d35\u91d1\u5c5e\u5c3f\u7d20\u7535\u89e3\u69fd\u3002\u56e0\u6b64\uff0c\u8be5\u7814\u7a76\u56e2\u961f\u7684\u7ed3\u679c\u7a81\u51fa\u4e86\u4f4e\u6210\u672c\u954d\u94bc\u57fa\u5316\u5408\u7269\u4f5c\u4e3a\u5c3f\u7d20\u7535\u89e3\u50ac\u5316\u5242\u7684\u6f5c\u529b\uff0c\u8fd9\u6709\u671b\u5b9e\u73b0H2<\/sub>\u751f\u4ea7\u7684\u4f4e\u80fd\u8017\u65b9\u5f0f\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Ni-Mo-O nanorod-derived composite catalysts for efficient alkaline water-to-hydrogen conversion via urea electrolysis<\/a>\uff0c(Energy Environ. Sci., 2018, DOI: 10.1039\/c8ee00521d)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4Z. Chen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n \u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n \u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1atougao@cailiaoren.com\u3002<\/p>\n \u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\u3002<\/p>\n<\/p>\n
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