{"id":138742,"date":"2018-05-18T06:30:04","date_gmt":"2018-05-17T22:30:04","guid":{"rendered":"\/\/m.iemloyee.com\/?p=138742"},"modified":"2018-05-19T19:49:43","modified_gmt":"2018-05-19T11:49:43","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6%e6%9d%8e%e4%ba%9a%e6%a0%8b%e9%99%a2%e5%a3%abadvanced-materials%ef%bc%9a%e5%85%b1%e8%81%9a%e7%89%a9%e7%83%ad%e8%a7%a3%e6%b3%95%e5%88%b6%e5%a4%87s%ef%bc%8cn-2","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=138742","title":{"rendered":"\u6e05\u534e\u5927\u5b66\u674e\u4e9a\u680b\u9662\u58ebAdvanced Materials\uff1a\u5171\u805a\u7269\u70ed\u89e3\u6cd5\u5236\u5907S\uff0cN\u5171\u63ba\u6742\u78b3\u8d1f\u8f7d\u7684Fe\u5355\u539f\u5b50\u7528\u4e8e\u9ad8\u6548\u6c27\u8fd8\u539f\u53cd\u5e94"},"content":{"rendered":"
\u00a0<\/strong>\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n 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-\u57fa\u7535\u50ac\u5316\u5242\u662f\u63d0\u9ad8\u50ac\u5316\u6548\u7387\u548c\u7406\u89e3\u50ac\u5316\u673a\u7406\u7684\u4e00\u79cd\u7406\u60f3\u7b56\u7565\u3002<\/p>\n 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\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6e05\u534e\u5927\u5b66\u674e\u4e9a\u680b\u9662\u58eb<\/strong>\u548c\u674e\u6cbb\u535a\u58eb\u540e\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u76f8\u5173\u8bba\u6587\u201cFe Isolated Single Atoms on S, N Codoped Carbon by Copolymer Pyrolysis Strategy for Highly Ef\ufb01cient Oxygen Reduction Reaction<\/strong>\u201d\u53d1\u8868\u5728\u9876\u7ea7\u671f\u520a<\/strong>Advanced Materials<\/strong>\uff08\u5f71\u54cd\u56e0\u5b50\uff1a<\/strong>19.27<\/strong>\uff09\u4e0a<\/strong>\u3002\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u674e\u542f\u6052\uff0c\u9648\u6587\u661f\u548c\u8096\u6d77\u3002<\/strong>\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u9896\u4fbf\u6377\u7684\u5421\u54af-\u567b\u5429\u5171\u805a\u7269\u70ed\u89e3\u7b56\u7565\uff0c\u6765\u53ef\u63a7\u5730\u5236\u5907Fe\u5355\u539f\u5b50\/\u786b\u6c2e\u5171\u63ba\u6742\u78b3\u50ac\u5316\u5242(Fe-ISA\/SNC)\uff0c\u5e76\u901a\u8fc7X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\uff08XAFS\uff09\u8c31\u5b66\u7ed3\u6784\u5206\u6790\u548c\u7406\u8bba\u8ba1\u7b97\u6765\u89e3\u6790Fe\u5355\u539f\u5b50\u7684\u914d\u4f4d\u73af\u5883\u548cORR\u50ac\u5316\u673a\u5236\u3002\u5171\u805a\u7269\u70ed\u89e3\u7b56\u7565\u5236\u5907\u7684Fe-ISA\/SNC\u4e2d\u786b\/\u6c2e\u6bd4\u5728\u5f88\u5927\u8303\u56f4\u5185\u53ef\u8c03\uff0c\u5176\u50ac\u5316\u6548\u7387\u968f\u7740\u786b\u6c2e\u6bd4\u7684\u589e\u52a0\u800c\u5448\u73b0\u51fa\u706b\u5c71\u578b\u66f2\u7ebf\u3002\u4f18\u5316\u7684Fe-ISA\/SNC\u663e\u793a\u4e860.896 V(\u5bf9\u5e94RHE\uff0c\u4e0b\u540c)\u7684\u534a\u6ce2\u7535\u4f4d\uff0c\u9ad8\u4e8eFe-ISA\/NC\u3001\u5546\u4e1aPt\/C\u548c\u622a\u81f3\u76ee\u524d\u62a5\u544a\u7684\u5927\u591a\u6570\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u3002\u5728\u78b1\u6027\u6761\u4ef6\u4e0b\uff0c\u7ecf\u5386\u4e8615000\u5708\u7684\u5faa\u73afCV\u6d4b\u8bd5\u540e\uff0cFe-ISA\/SNC\u7684\u6d3b\u6027\u51e0\u4e4e\u4e0d\u8870\u51cf\uff0c\u5177\u6709\u4f18\u5f02\u7684\u50ac\u5316\u7a33\u5b9a\u6027\u3002\u57fa\u4e8eXAFS\u6d4b\u91cf\u7684\u7ed3\u6784\u53c2\u6570\u548c\u7406\u8bba\u8ba1\u7b97\u6a21\u578b\u5206\u6790\uff0c\u7814\u7a76\u8005\u786e\u7acb\u4e86\u4e00\u79cd\u65b0\u578b\u7684FeN4<\/sub>S2<\/sub>\u6a21\u578b\uff0c\u53d1\u73b0\u786b\u7684\u63ba\u6742\u80fd\u8c03\u6574Fe\u5468\u56f4N\u539f\u5b50\u7684\u7535\u8377\u5206\u5e03\uff0c\u964d\u4f4e\u4e86\u51b3\u901f\u6b65OH*\u8fd8\u539f\u7684\u53cd\u5e94\u52bf\u5792\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86ORR\u50ac\u5316\u7684\u6574\u4f53\u6548\u7387\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u6790\u3011<\/strong><\/p>\n \u56fe1 a) Fe – ISA\/SNC\u7684\u5408\u6210\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\u3002b) PPy-co-PTh \u805a\u5408\u7269\u7684SEM\u56fe\u50cf\u3002c) PPy – co – PTh\u548cFe – ISA\/SNC\u7684\u7ea2\u5916\u5149\u8c31\u3002d) Fe – ISA\/SNC\u548cFe – ISA\/NC\u7684XRD\u8c31\u3002e) Fe – ISA\/SNC\u7684HAADF – STEM\u56fe\u50cf\u4ee5\u53ca(f)\u5bf9\u5e94\u7684Fe(\u7eff\u8272)\u3001C(\u84dd\u8272)\u3001N(\u7ea2\u8272)\u548cS(\u6a59\u8272)\u5143\u7d20\u5206\u5e03\u56fe\u3002g) Fe – ISA\/SNC\u7684\u9ad8\u5206\u8fa8HAADF – STEM\u56fe\u50cf\u3002\u7ea2\u5708\u7a81\u51fa\u663e\u793a\u5355\u4e2aFe\u539f\u5b50\u3002<\/p>\n \u56fe2 a) Fe K – edge XANES\u5149\u8c31\uff0cb) Fe – ISA\/SNC\u7684FT – EXAFS\u66f2\u7ebf\uff08Fe K \u2013 edge\uff09\u3002c) Fe – ISA\/SNC\u548cFe – ISA\/NC\u4e4b\u95f4\u7684\u5b9a\u91cfEXAFS\u62df\u5408\u5206\u6790\u3002d) S K – edge XANES\u5149\u8c31\u548c(e) Fe – ISA\/SNC\u548c\u53c2\u6bd4\u6750\u6599\u7684\u7ebf\u6027\u62df\u5408\u66f2\u7ebf\u3002f) Fe – ISA\/SNC\u4e2dFeN4S2\u6d3b\u6027\u4f4d\u70b9\u7684\u5206\u5b50\u7ed3\u6784\u3002<\/p>\n \u56fe3a)\u542b\u4e0d\u540cN\/S\u539f\u5b50\u6bd4\u4f8b\u7684Fe – ISA\/SNC\u6837\u54c1ORR\u6781\u5316\u66f2\u7ebf\u3002b) Fe – ISA\/SNC\u6750\u6599\u4e2dN\/S\u6bd4\u4f8b\u4e0e\u76f8\u5e94E1\/2\u7684\u706b\u5c71\u578b\u5173\u7cfb\u66f2\u7ebf\u3002c) \u6700\u4f18Fe – ISA\/SNC\u6837\u54c1\u3001\u4e00\u7cfb\u5217\u5bf9\u7167\u6837\u54c1\u4ee5\u53ca\u5546\u4e1aPt\/C\u7684ORR\u6781\u5316\u66f2\u7ebf\u3002d) Fe – ISA\/SNC\u3001Fe – ISA\/NC\u548cPt\/C\u7684E1\/2\u4ee5\u53ca0.85 V\u5904\u7535\u6d41\u5bc6\u5ea6Jk\u7684\u5bf9\u6bd4\u56fe\u3002e) \u4ece0.2\u52300.85 V Fe – ISA\/SNC\u548cPt\/C\u7684H2<\/sub>O2<\/sub>\u4ea7\u91cf\u548c\u7535\u5b50\u8f6c\u79fb\u6570 \u3002f) 15,000\u4e2a\u5468\u671f\u5faa\u73af\u524d\u540e\u7684ORR\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n \u56fe4 a\uff09Fe – ISA\/SNC\u7684\u4f18\u5316\u51e0\u4f55\u7ed3\u6784\u3002b)\u5728U = 1.23 V\u78b1\u6027\u6761\u4ef6\u4e0bFe – ISA\/SNC\u548cFe – ISA\/NC\u7684ORR\u52bf\u80fd\u56fe\u3002<\/p>\n \u89e3\u8bfb\uff1a<\/strong><\/p>\n \u4e3a\u4e86\u7406\u89e3<\/strong>Fe-ISA\/SNC<\/strong>\u9ad8<\/strong>ORR<\/strong>\u53cd\u5e94\u6d3b\u6027\u7684\u672c\u8d28\uff0c\u7814\u7a76\u8005\u901a\u8fc7<\/strong>DFT<\/strong>\u7684\u8ba1\u7b97\u8fdb\u4e00\u6b65\u7814\u7a76\u4e86<\/strong>Fe – ISA\/SNC<\/strong>\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\u7684<\/strong>ORR<\/strong>\u673a\u5236\u3002\u7814\u7a76\u8005\u8ba1\u7b97\u4e86<\/strong>Fe – ISA\/SNC(<\/strong>\u56fe<\/strong>4a)<\/strong>\u548c<\/strong>Fe<\/strong>\u2010<\/strong>ISA\/NC<\/strong>\u50ac\u5316\u5242\u5728<\/strong>U = 1.23 V<\/strong>\u4e2d\u7684\u81ea\u7531\u80fd\u3002\u5982\u56fe<\/strong>4b<\/strong>\u6240\u793a\uff0c<\/strong>ORR<\/strong>\u7684\u6700\u540e\u4e00\u6b65<\/strong>(*OH<\/strong>\u8fd8\u539f<\/strong>)<\/strong>\u662f\u50ac\u5316\u51b3\u901f\u6b65\u9aa4\u3002\u4e0e<\/strong>Fe – ISA\/NC<\/strong>\u76f8\u6bd4\uff0c<\/strong>Fe – ISA\/SNC<\/strong>\u5728<\/strong>*OH<\/strong>\u8fd8\u539f\u7684\u8fc7\u7535\u4f4d\u964d\u4f4e\u4e86<\/strong>0.05 V<\/strong>\u3002\u8fd9\u662f\u7531\u4e8e<\/strong>S<\/strong>\u7684\u63ba\u6742\u8bf1\u5bfc\u4e86\u8d1f\u7535\u8377\u5728<\/strong>N<\/strong>\u4e0a\u805a\u96c6\uff0c\u6392\u65a5<\/strong>*OH<\/strong>\uff0c\u4fc3\u8fdb\u4e86\u5176\u8fd8\u539f\u91ca\u653e\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6574\u4f53<\/strong>ORR<\/strong>\u50ac\u5316\u6548\u7387\u3002<\/strong><\/p>\n \u3010\u603b\u7ed3\u4e0e\u5c55\u671b\u3011<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u7814\u7a76\u8005\u5f00\u53d1\u4e86\u4e00\u79cd\u4fbf\u6377\u6709\u6548\u7684\u5171\u805a\u7269\u70ed\u89e3\u7b56\u7565\uff0c\u5408\u6210\u4e86\u5177\u6709\u53ef\u63a7\u6210\u5206\u548c\u5206\u5b50\u7ed3\u6784\u7684Fe- ISA\/SNC\u7535\u50ac\u5316\u5242\u3002\u4e0e\u5546\u4e1aPt\/C\u76f8\u6bd4\uff0cFe – ISA\/SNC\u6837\u54c1\u663e\u793a\u51fa\u4e86\u589e\u5f3a\u7684\u78b1\u6027ORR\u6d3b\u6027\u548c\u8010\u4e45\u6027\uff0c\u5176\u6027\u80fd\u4e5f\u5728\u9876\u7ea7\u975e\u8d35\u91d1\u5c5eORR\u50ac\u5316\u5242\u884c\u5217\u4e2d\u3002XAFS\u5206\u6790\u548cDFT\u8ba1\u7b97\u8868\u660e\uff0cS\u7684\u76f8\u5bf9\u8f83\u4f4e\u7684\u7535\u8d1f\u6027\u53ef\u4ee5\u5bcc\u96c6N\u539f\u5b50\u4e0a\u7684\u7535\u8377\uff0c\u4fc3\u8fdb\u4e86\u51b3\u901f\u6b65OH*\u8fd8\u539f\u91ca\u653e\uff0c\u4ece\u800c\u52a0\u901f\u4e86\u6574\u4e2aORR\u8fc7\u7a0b\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1aFe Isolated Single Atoms on S, N Codoped Carbon by Copolymer Pyrolysis Strategy for Highly Ef\ufb01cient Oxygen Reduction Reaction<\/a>, Advanced Materials, 2018, 1800588, DOI\uff1a10.1002\/adma.201800588\uff09<\/strong><\/p>\n \u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5b66\u672f\u7ec4Kevin<\/strong>\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406<\/strong>\u3002\u6b22\u8fce\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u7eb3\u7c73\u6750\u6599\u5b66\u672f\u4ea4\u6d41\u7fa4\uff08228686798\uff09\uff01<\/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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n \u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/strong>\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/p>\n<\/p>\n
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