{"id":201511,"date":"2020-05-30T06:24:47","date_gmt":"2020-05-29T22:24:47","guid":{"rendered":"\/\/m.iemloyee.com\/?p=201511"},"modified":"2020-05-29T23:25:03","modified_gmt":"2020-05-29T15:25:03","slug":"%e4%b8%ad%e7%a7%91%e9%99%a2%e9%87%91%e5%b1%9e%e6%89%80%e7%8e%8b%e6%99%93%e8%be%89%e5%9b%a2%e9%98%9fadv-funct-mater-%ef%bc%9a%e8%b6%85%e7%a8%b3%e5%ae%9a%e7%9a%84mxenept-swcnts%e7%ba%b3%e7%b1%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=201511","title":{"rendered":"\u4e2d\u79d1\u9662\u91d1\u5c5e\u6240\u738b\u6653\u8f89\u56e2\u961fAdv. Funct. Mater.\uff1a\u8d85\u7a33\u5b9a\u7684MXene@Pt\/SWCNTs\u7eb3\u7c73\u50ac\u5316\u5242\u7528\u4e8e\u6790\u6c22\u53cd\u5e94"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n \u6c22\u6c14\uff08H2<\/sub>\uff09\u5177\u6709\u6e05\u6d01\u80fd\u6e90\u7684\u4f18\u52bf\uff0c\u5176\u80fd\u91cf\u5bc6\u5ea6\u9ad8\u8fbe120-140 MJ kg\u22121<\/sup>\u3002\u6790\u6c22\u53cd\u5e94\uff08HER\uff09\u4ee3\u8868\u7740\u9ad8\u6548\u7684\u7535\u8f6c\u5316\u9014\u5f84\uff0c\u7136\u800c\u5728\u6ca1\u6709\u5408\u9002\u50ac\u5316\u5242\u7684\u60c5\u51b5\u4e0b\uff0c\u9ad8\u8fc7\u7535\u4f4d\u5f80\u5f80\u5bfc\u81f4\u4f4e\u6548\u7387\u3002\u5c3d\u7ba1\u4eba\u4eec\u5df2\u7ecf\u505a\u51fa\u4e86\u5de8\u5927\u7684\u52aa\u529b\u6765\u5bfb\u627e\u4ef7\u683c\u4f4e\u5ec9\u4e14\u53ef\u7528\u4e8eHER\u7684\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\uff0c\u4f46\u9057\u61be\u7684\u662f\uff0c\u7531\u4e8ePt\u8868\u9762\u77ac\u65f6\u5438\u9644H*\u7684\u81ea\u7531\u80fd\u53d8\u5316\u503c\u51e0\u4e4e\u4e3a\u96f6\uff0c\u56e0\u6b64\u6ca1\u6709\u4e00\u79cd\u50ac\u5316\u5242\u80fd\u80dc\u8fc7\u4f4e\u8fc7\u7535\u4f4d\u548c\u5feb\u901f\u52a8\u529b\u5b66\u7684Pt\u3002\u8003\u8651\u5230\u5730\u7403\u4e0aPt\u7684\u4f4e\u4e30\u5ea6\uff0c\u6784\u5efa\u5f02\u8d28Pt\u57fa\u7eb3\u7c73\u50ac\u5316\u5242\u5df2\u6210\u4e3a\u4e00\u79cd\u8d8b\u52bf\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u6d3b\u6027\u548c\u8010\u4e45\u6027\uff0c\u540c\u65f6\u5c3d\u91cf\u51cf\u5c11Pt\u8d44\u6e90\u7684\u4f7f\u7528\u3002\u7531\u4e8e\u7eb3\u7c73\/\u539f\u5b50Pt\u7684\u5bfc\u7535\u6027\u548c\u5316\u5b66\u7a33\u5b9a\u6027\u597d\uff0c\u5176\u7ecf\u5e38\u7528\u78b3\u57fa\u6750\u6599\u4f5c\u4e3a\u8f7d\u4f53\uff08\u7531\u78b3\u6750\u6599\u7684\u5bfc\u7535\u6027\u548c\u5316\u5b66\u7a33\u5b9a\u6027\u597d\uff0c\u5176\u7ecf\u5e38\u7528\u4e8e\u7eb3\u7c73\u539f\u5b50Pt\u7684\u8f7d\u4f53\uff09\uff0c\u8fd9\u4e9b\u78b3\u57fa\u6750\u6599\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u70ad\u9ed1\u3001\u77f3\u58a8\u70ef\u3001\u591a\u5b54\u78b3\u7b49\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u5316\u5b66\u60f0\u6027\u78b3\u57fa\u6750\u6599\u65e0\u6cd5\u901a\u8fc7\u6e7f\u6cd5\u5316\u5b66\u65b9\u6cd5\u8fd8\u539fPt\u9633\u79bb\u5b50\uff0c\u8fd9\u5c31\u9700\u8981\u989d\u5916\u7684\u8fd8\u539f\u5242\u6216\u590d\u6742\u7684\u540e\u5904\u7406\u5de5\u827a\u6765\u5236\u5907Pt\/C\u7535\u50ac\u5316\u5242\u3002\u6700\u8fd1\uff0c\u5df2\u53d1\u73b0\u4e00\u79cd\uff08\u7c7b\uff09\u65b0\u76842D\u6750\u6599MXenes\uff0c\u5df2\u88ab\u786e\u5b9a\u5177\u6709\u9ad8\u5bfc\u7535\u6027\u3001\u4eb2\u6c34\u6027\u548c\u53ef\u8fd8\u539f\u6027\u3002\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u548c\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0cTi3<\/sub>C2<\/sub>Tx<\/sub>\u00a0MXene\u7684\u4f4e\u9038\u51fa\u529f\u4f7f\u8d35\u91d1\u5c5e\u9633\u79bb\u5b50\u81ea\u53d1\u8fd8\u539f\u6210\u91d1\u5c5e\u7eb3\u7c73\u7c92\u5b50\uff0c\u800c\u4e0d\u9700\u8981\u989d\u5916\u7684\u8fd8\u539f\u5242\u6216\u540e\u5904\u7406\u3002\u9664\u9ad8\u6d3b\u6027\u5916\uff0c\u57fa\u4e8ePt\u65cf\u91d1\u5c5e\u7684\u7535\u50ac\u5316\u5242\u5fc5\u987b\u5177\u6709\u957f\u671f\u7684\u8010\u7528\u6027\u624d\u80fd\u7528\u4e8e\u5b9e\u9645\u5e94\u7528\u3002\u7528\u4e8eHER\u7684Pt\u57fa\u91d1\u5c5e\u901a\u5e38\u4f7f\u7528\u805a\u5408\u7269\u7c98\u7ed3\u5242\uff08\u5982Nafion\uff09\u56fa\u5b9a\u5728\u8f7d\u4f53\u8868\u9762\u4e0a\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u7edd\u7f18\u805a\u5408\u7269\u7c98\u5408\u5242\u4f1a\u963b\u585e\u6d3b\u6027\u4f4d\u70b9\uff0c\u6291\u5236\u79bb\u5b50\u6269\u6563\uff0c\u589e\u52a0\u7535\u5b50\u8f6c\u79fb\u7535\u963b\u3002\u5355\u58c1\u78b3\u7eb3\u7c73\u7ba1\uff08SWCNTs\uff09\u5177\u6709\u51fa\u8272\u7684\u5bfc\u7535\u6027\uff0c\u4f46\u5f88\u5c11\u7528\u4f5cHER\u50ac\u5316\u5242\u7684\u5bfc\u7535\u7c98\u7ed3\u5242\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5728\u4e2d\u79d1\u9662\u91d1\u5c5e\u7814\u7a76\u6240\u738b\u6653\u8f89\u7814\u7a76\u5458\u56e2\u961f\u7b49\u4eba<\/b><\/strong>\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u5e26\u9886\u4e0b\uff0c\u4e0e\u7f8e\u56fd\u52b3\u4f26\u65af\u4f2f\u514b\u5229\u56fd\u5bb6\u5b9e\u9a8c\u5ba4<\/b><\/strong>\u548c\u90d1\u5dde\u5927\u5b66<\/b><\/strong>\u5408\u4f5c\uff0c\u63d0\u51fa\u4e86\u6784\u5efa\u7528\u4e8eHER\u50ac\u5316\u5242\u7684\u5206\u5c42\uff08\u5efa\u8bae\u6539\u4e3a\u591a\u7ea7\uff0c\u4e0b\u540c\uff09Pt-MXene-SWCNTs\u5f02\u8d28\u7ed3\u6784\u7684\u65b9\u6848\u3002\u5728\u5f02\u8d28\u7ed3\u6784\u4e2d\uff0c\u9ad8\u6d3b\u6027\u7eb3\u7c73\/\u539f\u5b50\u7ea7\u91d1\u5c5ePt\u88ab\u56fa\u5b9a\u5728Ti3<\/sub>C2<\/sub>Tx<\/sub>\u00a0MXene\u8584\u7247\uff08MXene@Pt\uff09\u4e0a\uff0c\u5e76\u4e0e\u5bfc\u7535SWCNTs\u7f51\u7edc\u76f8\u8fde\u63a5\u3002\u901a\u8fc7\u8fc7\u6ee4\u542b\u6709MXene@Pt\u548cSWCNTs\u7684\u6df7\u5408\u80f6\u4f53\u60ac\u6d6e\u6db2\uff0c\u6784\u5efa\u5206\u5c42\u5f02\u8d28\u7ed3\u6784\u3002\u5229\u7528MXene\u7684\u4eb2\u6c34\u6027\u548c\u8fd8\u539f\u6027\u7684\u4f18\u52bf\uff0cMXene@Pt\u80f6\u4f53\u60ac\u6d6e\u6db2\u662f\u901a\u8fc7\u81ea\u53d1\u5730\u5c06Pt\u9633\u79bb\u5b50\u8fd8\u539f\u6210\u91d1\u5c5ePt\u5236\u5907\u7684\uff0c\u800c\u4e0d\u9700\u8981\u989d\u5916\u7684\u8fd8\u539f\u5242\u6216\u540e\u5904\u7406\u3002\u5982\u6b64\u5236\u6210\u7684\u8584\u819c\u72b6\u5206\u5c42HER\u50ac\u5316\u5242\u5728800\u5c0f\u65f6\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u663e\u793a\u51fa\u9ad8\u7a33\u5b9a\u6027\uff0c\u5728-50 mV vs.\u00a0RHE\u4e0b\uff0c\u5176\u5bb9\u91cf\u7535\u6d41\u5bc6\u5ea6\u9ad8\u8fbe230 mA cm-3<\/sup>\uff0c\u5728-10 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u5176\u8fc7\u7535\u4f4d\u4f4e\u81f3-62 mV vs.RHE\u3002\u8be5\u89e3\u51b3\u65b9\u6848\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7684\u65b9\u6cd5\u6765\u6784\u5efa\u7a33\u5b9a\u3001\u9ad8\u6548\u7684HER\u50ac\u5316\u5242\u3002\u8003\u8651\u5230\u5206\u5c42Pt-MXene-SWCNTs\u5f02\u8d28\u7ed3\u6784\u7684\u6027\u8d28\u548c\u7ed3\u6784-\u6d3b\u6027\u5173\u7cfb\uff0c\u5176\u4ed6MXenes\u53ef\u80fd\u5728HER\u7535\u50ac\u5316\u4e2d\u663e\u793a\u51fa\u66f4\u5927\u7684\u6f5c\u529b\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/b><\/strong>Ultrastable MXene@Pt\/SWCNTs’ Nanocatalysts for Hydrogen Evolution Reaction<\/b><\/strong>\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Adv. Funct. Mater.<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe1<\/b><\/strong>\u00a0Ti<\/b><\/strong>3<\/b><\/sub><\/strong>C<\/b><\/strong>2<\/b><\/sub><\/strong>T<\/b><\/strong>x<\/b><\/sub><\/strong>\u00a0MXene\u80f6\u4f53\u60ac\u6d6e\u6db2<\/b><\/strong>\u548c<\/b><\/strong>MXene@Pt\/SWCNTs\u7eb3\u7c73\u50ac\u5316\u5242\u7684\u5236\u5907\u793a\u610f\u56fe<\/b><\/strong> a\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>\u00a0MXene\u80f6\u4f53\u60ac\u6d6e\u6db2\u7684\u5236\u5907\u793a\u610f\u56fe\u3002<\/p>\n b\uff09MXene@Pt\/SWCNTs\u7eb3\u7c73\u50ac\u5316\u5242\u7684\u5236\u5907\u793a\u610f\u56fe\u3002<\/p>\n \u56fe2 <\/b><\/strong>\u5f62\u8c8c\u8868\u5f81\u548c\u5143\u7d20\u5206\u6790<\/b><\/strong> a\uff09\u51e0\u5c42\u4e9a\u5fae\u7c73Ti3<\/sub>C2<\/sub>Tx<\/sub>\u7eb3\u7c73\u8584\u7247\u7684TEM\u56fe\u50cf\u3002<\/p>\n b\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>@5Pt\u7684TEM\u56fe\u50cf\u3002<\/p>\n c\uff09MXene @5Pt\u7684HAADF-STEM\u56fe\u50cf\u3002<\/p>\n d\uff09Ti\u3001C\u3001Pt\u548cO\u7684\u5bf9\u5e94\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n e\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>@5Pt\u7684\u539f\u5b50\u7ea7HAADF-STEM\u56fe\u50cf\u3002<\/p>\n f\uff09Pt\u7eb3\u7c73\u9897\u7c92\u7684\u7c92\u5ea6\u5206\u5e03\u3002<\/p>\n g\uff09\u5728Ti3<\/sub>C2<\/sub>Tx<\/sub>@5Pt\u4e0a\u89c2\u5bdf\u5230\u5355\u4e2aPt\u539f\u5b50\u3002<\/p>\n h\uff09\u5c16\u7aef-\u63a2\u9488\u8d85\u58f0\u5904\u7406\u540eSWCNTs\u7684TEM\u56fe\u50cf\u3002<\/p>\n i\uff09SWCNTs\u8584\u819c\u7684SEM\u56fe\u50cf\u3002<\/p>\n \u56fe3 <\/b><\/strong>\u8584\u819c\u7684<\/b><\/strong>\u9ad8<\/b><\/strong>\u4f4e<\/b><\/strong>\u500dSEM<\/b><\/strong>\u8868\u5f81<\/b><\/strong> a\uff09S-M\uff0cc\uff09S-M-1Pt\u548ce\uff09S-M-5Pt\u7684\u9ad8\u500dSEM\u56fe\u50cf\u3002<\/p>\n b\uff09S-M\uff0cd\uff09S-M-1Pt\u548cf\uff09S-M-5Pt\u7684\u4f4e\u500dSEM\u56fe\u50cf\u3002<\/p>\n \u56fe4 <\/b><\/strong>\u5236\u5907\u6837\u54c1\u7684XPS\u5206\u6790<\/b><\/strong> a\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>\u3001Ti3<\/sub>C2<\/sub>Tx<\/sub>@1Pt\u548cTi3<\/sub>C2<\/sub>Tx<\/sub>@5Pt\u7684\u5149\u8c31\u56fe\u3002<\/p>\n b-d\uff09Ti2p\u533a\u57df\u4e2d\u7684b\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>\u3001c\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>@1Pt\u548cd\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>@5Pt\u3002<\/p>\n e\uff09Ti3<\/sub>C2<\/sub>Tx<\/sub>@1Pt\u548cTi3<\/sub>C2<\/sub>Tx<\/sub>@5Pt\u7684Pt 4f\u5cf0\u3002Pt 4f\u7684\u7ed3\u5408\u80fd\u4f4d\u4e8e72.0\u548c75.3 eV\uff0c\u5e76\u5411\u9ad8\u4e8ePt0<\/sup>\u7684\u65b9\u5411\u79fb\u52a8\u3002<\/p>\n \u56fe<\/b><\/strong>5<\/b><\/strong>\u00a0<\/b><\/strong>\u5236\u5907\u7684\u50ac\u5316\u5242\u7684HER<\/b><\/strong>\u50ac\u5316<\/b><\/strong>\u6027\u80fd<\/b><\/strong> a\uff09\u7535\u6d41\u5bc6\u5ea6\u4e0e\u7535\u4f4d\u7684\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n b\uff09\u4f53\u79ef\u7535\u6d41\u4e0e\u7535\u4f4d\u7684\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n c\uff09\u5236\u5907\u7684\u50ac\u5316\u5242\u7684\u5854\u83f2\u5c14\u66f2\u7ebf\u3002<\/p>\n d\uff09\u591a\u5c42S-M-5Pt\u7684LSV\u66f2\u7ebf\u3002<\/p>\n e\uff095\u4e2aS-M-5Pt\u5728-10 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u8fd0\u884c800\u00a0h\u7684\u957f\u671f\u8fd0\u884c\u7a33\u5b9a\u6027\u3002<\/p>\n \u56fe<\/b><\/strong>6<\/b><\/strong>\u00a0<\/b><\/strong>\u5236\u5907\u7684\u50ac\u5316\u5242\u7684\u52a8\u529b\u5b66\u7814\u7a76<\/b><\/strong> a-e\uff09\u5728-50 mV\u00a0vs.Ag\/AgCl\u548cvs.RHE\u7535\u4f4d\u4e0b\uff0ca\uff09SWCNTs\u3001b\uff09S-M\u3001d\uff09S-M-1Pt\u548ce) S-M-5Pt\u7684EIS\u5149\u8c31<\/p>\n c\uff09\u8d5d\u7535\u5bb9\u884c\u4e3a\u7684\u7b49\u6548\u7535\u8def\u56fe<\/p>\n f\uff09HER\u884c\u4e3a\u7684\u7b49\u6548\u7535\u8def\u56fe\u3002\u5728\u6ca1\u6709Pt\u7684\u60c5\u51b5\u4e0b\uff0cS-M\u8868\u73b0\u51fa\u8d5d\u7535\u5bb9\u884c\u4e3a\uff0c\u800c\u5728-50 mV\u00a0vs.RHE\u4e0b\uff0c\u5b58\u5728Pt\u7269\u8d28\u7684\u60c5\u51b5\u4e0b\uff0cS-M-1Pt\u548cS-M-5Pt\u8868\u73b0\u51faHER\u884c\u4e3a\u3002<\/p>\n \u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u5229\u7528Ti3<\/sub>C2<\/sub>Tx<\/sub>\u00a0MXene\u5728\u8fd8\u539f\u94c2\u7edc\u5408\u7269\u79bb\u5b50\u540e\u4ecd\u4fdd\u6301\u5176\u7269\u7406\u5316\u5b66\u6027\u8d28\u7684\u7279\u6b8a\u7279\u6027\u548c\u4f5c\u4e3a\u5bfc\u7535\u7c98\u7ed3\u5242\u7684SWCNTs\uff0c\u6784\u5efa\u4e86\u5206\u5c42Pt-MXene-CNTs\u5f02\u8d28\u7ed3\u6784\u4f5c\u4e3a\u9ad8\u6027\u80fdHER\u50ac\u5316\u5242\u3002\u4ee5\u8584\u819c\u7684\u5f62\u5f0f\u5236\u5907\u7684\u5206\u5c42HER\u50ac\u5316\u5242\u5728800 h\u7684\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u5f88\u9ad8\u7684\u7a33\u5b9a\u6027\uff0c\u5728-50 mV vs.RHE\u65f6\uff0c\u5176\u9ad8\u5bb9\u91cf\u7535\u6d41\u5bc6\u5ea6\u53ef\u8fbe230 mA cm-3<\/sup>\uff0c\u5728-10 mA cm-2<\/sup>\u65f6\uff0c\u5176\u4f4e\u8fc7\u7535\u4f4d\u4e3a-62 mV vs.\u00a0RHE\u3002\u672c\u7814\u7a76\u4e2d\u4f7f\u7528\u7684\u6eb6\u6db2\u5904\u7406\u65b9\u6cd5\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u3001\u9ad8\u6548\u4e14\u53ef\u6269\u5c55\u7684\u7b56\u7565\uff0c\u7528\u4e8e\u6784\u5efa\u7eb3\u7c73\/\u539f\u5b50\u7ea7\u8d35\u91d1\u5c5e\u5728MXene\u4e0a\u56fa\u5b9a\u5316\u7684\uff08\u951a\u56fa\u5728MXene\u4e0a\u7684\uff09\u50ac\u5316\u5242\uff0cSWCNTs\u540c\u65f6\u4f5c\u4e3a\u7c98\u7ed3\u5242\u548c\u96c6\u7535\u4f53\u3002\u8be5\u65b9\u6cd5\u4e0d\u4ec5\u4e3a\u5408\u6210Pt\u57fa\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u7b56\u7565\uff0c\u800c\u4e14\u4e3a\u8fdb\u4e00\u6b65\u63a2\u7d22\u548c\u8bbe\u8ba1\u57fa\u4e8e\u8d35\u91d1\u5c5e\u56fa\u5b9a\u5316\uff08\u951a\u56fa\uff09MXene\/CNT\u590d\u5408\u6750\u6599\u7684\u9ad8\u6548\u50ac\u5316\u5242\u6216\u4f20\u611f\u5668\u94fa\u5e73\u4e86\u9053\u8def\u3002<\/p>\n<\/p>\n
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