{"id":219904,"date":"2021-05-12T12:00:05","date_gmt":"2021-05-12T04:00:05","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=219904"},"modified":"2021-05-12T14:16:48","modified_gmt":"2021-05-12T06:16:48","slug":"%e9%83%91%e5%b7%9e%e5%a4%a7%e5%ad%a6%e5%bc%a0%e4%bd%b3%e6%a5%a0%e6%95%99%e6%8e%88%e5%9b%a2%e9%98%9f%e6%ad%a6%e6%b1%89%e7%90%86%e5%b7%a5%e6%9c%a8%e5%a3%ab%e6%98%a5%e6%95%99%e6%8e%88%e5%9b%a2%e9%98%9f","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=219904","title":{"rendered":"\u90d1\u5dde\u5927\u5b66\u5f20\u4f73\u6960\u6559\u6388\u56e2\u961f&\u6b66\u6c49\u7406\u5de5\u6728\u58eb\u6625\u6559\u6388\u56e2\u961fNat. Commun.\uff1a\u7528\u539f\u5b50\u5206\u6563Mn-N\u8c03\u63a7 Fe-N-C\u50ac\u5316\u5242\u4e2d\u8c03\u63a7Fe\u81ea\u65cb\u6001\u5b9e\u73b0\u9ad8\u6c27\u8fd8\u539f\u6d3b\u6027"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n

\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u662f\u5305\u62ec\u805a\u5408\u7269\u7535\u89e3\u8d28\u819c\u71c3\u6599\u7535\u6c60\uff08PEMFC\uff09\u548c\u91d1\u5c5e-\u7a7a\u6c14\u7535\u6c60\u5728\u5185\u7684\u518d\u751f\u80fd\u91cf\u8f6c\u6362\u88c5\u7f6e\u7684\u57fa\u7840\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u94c2\uff08Pt\uff09\u57fa\u50ac\u5316\u5242\u5728\u9178\u6027\u548c\u78b1\u6027\u4ecb\u8d28\u4e0b\u50ac\u5316ORR\u65f6\u5177\u6709\u6700\u9ad8\u7684\u52a8\u529b\u5b66\u6d3b\u6027\uff0c\u4f46Pt\u5408\u91d1\u7684\u7a00\u6709\u6027\u3001\u4ef7\u683c\u548c\u8f83\u4f4e\u7684\u7532\u9187\u4ea4\u53c9\u8010\u53d7\u6027\u4fc3\u4f7f\u4eba\u4eec\u5bfb\u627e\u5177\u6709\u6210\u672c\u6548\u76ca\u7684\u975e\u8d35\u91d1\u5c5e\u7535\u50ac\u5316\u5242\u3002\u56e0\u6b64\uff0c\u7528\u8f83\u4fbf\u5b9c\u3001\u6d3b\u6027\u9ad8\u3001\u8010\u7528\u7684ORR\u7535\u50ac\u5316\u5242\u6765\u66ff\u4ee3\u8d35\u91d1\u5c5e\u6750\u6599\u662f\u8d8a\u6765\u8d8a\u6709\u5438\u5f15\u529b\u7684\uff0c\u4f46\u4e5f\u9762\u4e34\u7740\u5de8\u5927\u7684\u6311\u6218\u3002\u8fc7\u6e21\u91d1\u5c5e\uff08M = Mn\u3001Fe\u3001Co\u3001Ni\u7b49\uff09\u62e5\u67093d\u672a\u5360\u8f68\u9053\uff0c\u53ef\u4ee5\u5bb9\u7eb3\u5916\u6765\u7535\u5b50\uff0c\u964d\u4f4eOOH*\u3001O*\/OH*\u4e2d\u95f4\u4f53\u4e4b\u95f4\u7684\u952e\u5408\u5f3a\u5ea6\uff0c\u4f7f\u5176\u5177\u6709\u50ac\u5316O2<\/sub>\u8fd8\u539f\u8fc7\u7a0b\u7684\u6f5c\u529b\u3002\u5728\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\uff0c\u50ac\u5316\u5242\u7684\u6d3b\u6027\u4e3b\u8981\u53d7\u5176\u7535\u5b50\u7ed3\u6784\u7684\u5f71\u54cd\uff0c\u901a\u8fc7\u7834\u574fMm+<\/sup>-OH–<\/sup>\u952e\u91ca\u653e\u80fd\u91cf\uff0c\u5728\u50ac\u5316\u5242\u8868\u9762\u5f62\u6210M(m+1)+<\/sup>-O2<\/sub>2-<\/sup>\u952e\uff0c\u4fdd\u8bc1O2-<\/sup>\/OH–<\/sup>\u7684\u5feb\u901f\u7f6e\u6362\u548cOH–<\/sup>\u7684\u518d\u751f\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u7531\u4e8e\u914d\u4f4d\u73af\u5883\u7684\u5f71\u54cd\uff0cFeIII<\/sup>\u62e5\u6709\u591a\u79cd\u6001\uff0c\u5176\u81ea\u65cb\u8868\u73b0\u5f62\u5f0f\u6709\u4f4e\u81ea\u65cb\u6709\u4f4e\u81ea\u65cbt2g<\/sub>5 eg<\/sub>0\u3001\u4e2d\u81ea\u65cbt2g<\/sub>4 eg<\/sub>1\u3001\u9ad8\u81ea\u65cbt2g<\/sub>3 eg<\/sub>2\u3002\u4f4e\u81ea\u65cb\u7684\u7535\u5b50\u6784\u578b\u4e3adxy<\/sub>2 dyz<\/sub>2 dxz<\/sub>1\uff0c\u6ca1\u6709\u7535\u5b50\u5360\u636e\u53cd\u952e\u8f68\u9053\uff0c\u5bfc\u81f4Mm+<\/sup>\/O2<\/sup>\u76f8\u4e92\u4f5c\u7528\u5f3a\u70c8\uff0cM(m+1)+<\/sup>-O2<\/sub>2-<\/sup>\u952e\u7a33\u5b9a\uff0c\u96be\u4ee5\u5b9e\u73b0M(m+1)+<\/sup>-O2<\/sub>2-<\/sup>\/Mm+<\/sup>-OOH\u8dc3\u8fc1\u3002\u9ad8\u81ea\u65cb\u7684\u7535\u5b50\u6784\u578b\u4e3adxy<\/sub>1 dyz<\/sub>1 dxz<\/sub>1 dz<\/sub>2<\/sup>1 dx<\/sub>2<\/sup>–y<\/sub>2<\/sup>1\u3002\u9057\u61be\u7684\u662f\uff0c\u9ad8eg\u586b\u5145\uff08dz<\/sub>2<\/sup>1 dx<\/sub>2<\/sup>–y<\/sub>2<\/sup>1\uff09\u5bfc\u81f4\u5438\u9644\u80fd\u529b\u5dee\uff0c\u6027\u80fd\u4e0d\u597d\u3002\u4e2d\u81ea\u65cb\u7535\u5b50\u6784\u578b\u4e3adxy<\/sub>2<\/sup>\u00a0dyz<\/sub>1 dxz<\/sub>1 dz<\/sub>2<\/sup>1\uff0c\u800c\u4e2d\u81ea\u65cb\u6001\u7684\u5355\u4e2adz<\/sub>2<\/sup>\u7535\u5b50\u53ef\u4ee5\u8f7b\u6613\u7a7f\u900f\u6c27\u7684\u53cd\u952e\u03c0\u8f68\u9053\uff0c\u5448\u73b0\u9ad8ORR\u6d3b\u6027\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5927\u91cf\u7684\u7814\u7a76\u81f4\u529b\u4e8e\u6d3b\u6027\u4f4d\u70b9\u7684\u8bc6\u522b\u548c\u51e0\u4f55\u8bbe\u8ba1\uff0c\u4ee5\u66b4\u9732\u66f4\u591a\u7684\u6d3b\u6027\u4f4d\u70b9\u3002\u4f46\u662f\uff0c\u901a\u8fc7\u8c03\u8282\u7535\u5b50\u7ed3\u6784\u6765\u63d0\u9ad8\u50ac\u5316\u5242\u7684\u6d3b\u6027\u7684\u62a5\u9053\u5f88\u5c11\u3002\u56e0\u6b64\uff0c\u8c03\u8282\u5177\u6709\u9002\u5ea6\u81ea\u65cb\u7684\u91d1\u5c5e\u79cd\u7c7b\u6709\u671b\u63d0\u9ad8ORR\u7684\u6d3b\u6027\uff0c\u4f46\u5982\u4f55\u65b9\u4fbf\u5730\u63a7\u5236\u81ea\u65cb\u72b6\u6001\u4ecd\u5177\u6709\u5f88\u5927\u7684\u6311\u6218\u6027\u3002\u91d1\u5c5e-\u6c2e-\u78b3\uff08M-N-C\uff09\u6750\u6599\u5bb6\u65cf\u5177\u6709\u9ad8\u7535\u5bfc\u7387\u548c\u72ec\u7279\u7684\u91d1\u5c5e\u914d\u4f4d\u76f8\u4e92\u4f5c\u7528\uff0c\u56e0\u5176\u5728\u6d3b\u5316\u6c27\u65b9\u9762\u7684\u7a81\u51fa\u8868\u73b0\uff0c\u88ab\u8ba4\u4e3a\u662f\u6700\u6709\u5e0c\u671b\u66ff\u4ee3\u5546\u4e1aPt\/C\u7684\u6750\u6599\u3002\u636e\u6700\u65b0\u7814\u7a76\u8868\u660e\uff0c\u7531\u4e8e\u6d3b\u6027\u4e2d\u5fc3\u7ed3\u6784\u7a33\u5b9a\u6027\u7684\u63d0\u9ad8\u548c\u7535\u5b50\u4e91\u7684\u8c03\u63a7\uff0c\u53cc\u91d1\u5c5e\u7c92\u5b50\u4e0e\u5355\u91d1\u5c5e\u539f\u5b50\u7c92\u5b50\u76f8\u6bd4\uff0c\u8868\u73b0\u51fa\u66f4\u9ad8\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5728\u90d1\u5dde\u5927\u5b66\u5f20\u4f73\u6960\u6559\u6388<\/b><\/strong>\u548c\u6b66\u6c49\u7406\u5de5\u5927\u5b66\u6728\u58eb\u6625\u6559\u6388<\/b><\/strong>\u56e2\u961f\u7b49\u4eba\u5e26\u9886\u4e0b\uff0c\u901a\u8fc7\u5408\u7406\u8bbe\u8ba1\u548c\u5408\u6210\u53cc\u91d1\u5c5e\u539f\u5b50\u5206\u6563\u7684Fe,Mn\/N-C\u50ac\u5316\u5242\u4e3a\u6a21\u578b\u5bf9\u8c61\uff0c\u63ed\u793a\u4e86\u5728FeN4<\/sub>\/C\u4f53\u7cfb\u4e2d\uff0cO2<\/sub>\u8fd8\u539f\u4f18\u5148\u53d1\u751f\u5728FeIII<\/sup>\u4e0a\u7684\u4e2d\u95f4\u81ea\u65cb\u6001\uff0c\u8be5\u4e2d\u81ea\u65cb\u6001\u62e5\u6709\u4e00\u4e2aeg\u7535\u5b50\uff08t2g<\/sub>4eg<\/sub>1\uff09\u5bb9\u6613\u7a7f\u900f\u6c27\u7684\u53cd\u952e\u03c0\u8f68\u9053\u3002\u78c1\u6027\u6d4b\u91cf\u548c\u7406\u8bba\u8ba1\u7b97\u5747\u8868\u660e\uff0c\u76f8\u90bb\u539f\u5b50\u5206\u6563\u7684Mn-N\u57fa\u56e2\u53ef\u4ee5\u901a\u8fc7\u81ea\u65cb\u6001\u8dc3\u8fc1\u548c\u7535\u5b50\u8c03\u63a7\u6709\u6548\u5730\u6fc0\u6d3bFeIII<\/sup>\u4f4d\u70b9\uff0c\u4f7f\u5f97Fe,Mn\/N-C\u5728\u78b1\u6027\u548c\u9178\u6027\u4ecb\u8d28\u4e2d\u5747\u5177\u6709\u4f18\u5f02\u7684ORR\u6027\u80fd\uff08\u57280.1M KOH\u4e2d\u7684\u534a\u6ce2\u7535\u4f4d\u503c\u4e3a0.928V\uff0c\u57280.1M HClO4<\/sub>\u4e2d\u7684\u534a\u6ce2\u7535\u4f4d\u503c\u4e3a0.804V\uff09\uff0c\u5e76\u5177\u6709\u826f\u597d\u7684\u8010\u4e45\u6027\uff0c\u5176\u6027\u80fd\u5206\u522b\u4f18\u4e8e\u5546\u4e1aPt\/C\u3002\u6b64\u5916\uff0c\u5b83\u5728\u53ef\u9006\u950c-\u7a7a\u6c14\u7535\u6c60\u5177\u6709160.8 mW cm-2<\/sup>\u7684\u4f18\u8d8a\u529f\u7387\u5bc6\u5ea6\u548c\u957f\u671f\u8010\u7528\u6027\u3002\u8be5\u5de5\u4f5c\u4e3a\u91d1\u5c5e-\u6c2e-\u78b3\u6d3b\u6027\u4f4d\u70b9\u4e0a\u7684\u6c27\u8fd8\u539f\u53cd\u5e94\u8fc7\u7a0b\u5e26\u6765\u4e86\u65b0\u7684\u8ba4\u8bc6\uff0c\u65e0\u7591\u5c06\u5f15\u9886\u5bf9\u9ad8\u6548\u4f4e\u6210\u672c\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u63a2\u7d22\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cRegulating Fe-spin state by atomically dispersed Mn-N in Fe-N-C catalysts with high oxygen reduction activity\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Nat. Commun.<\/b><\/strong>\u4e0a\uff0c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u90d1\u5dde\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\u7855\u58eb\u751f\u6768\u9e3d\u9e3d\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

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a\uff09Fe,Mn\/N-C\u50ac\u5316\u5242\u5408\u6210\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\u3002<\/p>\n

b\uff09\u50cf\u5dee\u6821\u6b63\u540e\u7684HAADF-STEM\u56fe\u50cf\u548c\u4e00\u4e9b\u53cc\u91d1\u5c5eFe\/Mn\u4f4d\u70b9\u7528\u8f83\u5927\u7684\u7ea2\u8272\u5706\u5708\u6807\u8bb0\u3002<\/p>\n

c\uff09EELS\u5206\u6790\u7684Fe,Mn\/N-C\u7ed3\u6784\u3002<\/p>\n

d\uff09\u5728\u4e24\u4e2a\u53cc\u91d1\u5c5eFe-Mn\u4f4d\u70b9\u7684\u5f3a\u5ea6\u5206\u5e03\u3002<\/p>\n

e\uff09\u89c2\u5bdf\u5230\u53cc\u539f\u5b50\u5bf9\u7684\u7edf\u8ba1Fe-Mn\u8ddd\u79bb\u3002<\/p>\n

f\uff09Fe,Mn\/N-C\u7684HR-TEM\uff0c\u5176\u4e2d\u4e00\u4e9b\u6676\u683c\u7578\u53d8\u7528\u7ea2\u8272\u5706\u5708\u6807\u8bb0\u3002<\/p>\n

g\uff09Mn,Fe\/N\u2013C\u7684HAADF-STEM\u56fe\u50cf\u4e0e\u5404\u4e2a\u5143\u7d20\uff08C\u3001N\u3001Fe\u548cMn\uff09\u7684\u5206\u5e03\u3002<\/p>\n

\u56fe<\/b><\/strong>2 XAS\u548c<\/b><\/strong>57<\/b><\/sup><\/strong>Fe\u7a46\u65af\u5821\u5c14\u5149\u8c31\u548c\u50ac\u5316\u5242\u7684\u78c1\u5316\u7387<\/b><\/strong>\"\"<\/p>\n

a\uff0cb\uff09Fe,Mn\/N-C\u548c\u53c2\u8003\u6837\u54c1\u7684a\uff09Fe K\u8fb9XANES\u548cb\uff09\u5085\u91cc\u53f6\u53d8\u6362EXAFS\u5149\u8c31\u3002<\/p>\n

c\uff0cd\uff09Fe,Mn\/N-C\u548c\u53c2\u8003\u6837\u54c1\u7684c\uff09Mn K\u8fb9XANES\u548cd\uff09\u5085\u91cc\u53f6\u53d8\u6362EXAFS\u5149\u8c31\u3002<\/p>\n

e\uff09Fe,Mn\/N-C\u3001Fe\/N\u2013C\u548cMn\/N\u2013C\u7684k3<\/sup>\u52a0\u6743EXAFS\u6570\u636e\u7684\u5c0f\u6ce2\u53d8\u6362\u3002<\/p>\n

f\uff09\u5ba4\u6e29\u4e0bFe,Mn\/N-C\u768457<\/sup>Fe\u7a46\u65af\u5821\u5c14\u5149\u8c31\u3002<\/p>\n

g\uff09Fe,Mn\/N-C\u3001h Fe\/N\u2013C\u7684\u78c1\u5316\u7387\uff08M.S.\u4ee3\u8868\u4e2d\u65cb\uff0cL.S.\u4ee3\u8868\u4f4e\u65cb\uff09\u3002<\/p>\n

\u56fe<\/b><\/strong>3 <\/b><\/strong>Fe,Mn\/N-C<\/b><\/strong>\u57280.1 M HClO<\/b><\/strong>4<\/b><\/sub><\/strong>\u548c0.1 M KOH\u4e2d\u7684ORR\u6027\u80fd<\/b><\/strong>\"\"<\/p>\n

a\uff09Fe,Mn\/N-C\u3001Fe\/N\u2013C\u3001Mn\/N\u2013C\u548cPt\/C\u50ac\u5316\u5242\u5728O2<\/sub>\u9971\u548c\u76840.1 M HClO4<\/sub>\u6eb6\u6db2\u4e2d\u7684LSV\u66f2\u7ebf\u3002<\/p>\n

b\uff09\u7531RDE\u6781\u5316\u66f2\u7ebf\u5f97\u5230\u76f8\u5e94\u7684Tafel\u56fe\u3002<\/p>\n

c\uff09\u57280.1 M HClO4<\/sub>\u6eb6\u6db2\u4e2d\u7684H2<\/sub>O2<\/sub>\u4ea7\u7387\u548c\u7535\u5b50\u8f6c\u79fb\u6570\uff08n\uff09\u3002<\/p>\n

d\uff09\u5728\u626b\u63cf\u901f\u7387\u4e3a50 mV s\u22121<\/sup>\u3001\u8f6c\u901f\u4e3a1600 rpm\u7684\u6761\u4ef6\u4e0b\uff0c\u6d4b\u91cf8000\u6b21\u7535\u4f4d\u5faa\u73af\u524d\u540eFe,Mn\/N-C\u7684ORR\u6781\u5316LSV\u548cCV\u66f2\u7ebf\u3002<\/p>\n

e\uff09\u6bd4\u8f83Fe,Mn\/N-C\u3001Fe\/N\u2013C\u3001Mn\/N\u2013C\u548cPt\/C\u50ac\u5316\u5242\u7684\u52a8\u529b\u5b66\u7535\u6d41\u5bc6\u5ea6\uff08Jk<\/sub>\uff09\u548cE1<\/sub>\/<\/sub>2<\/sub>\u3002<\/p>\n

\u56fe<\/b><\/strong>4 Fe<\/b><\/strong>,<\/b><\/strong>Mn<\/b><\/strong>\/<\/b><\/strong>N-C\u50ac\u5316\u5242\u7684\u950c<\/b><\/strong>–<\/b><\/strong>\u7a7a\u6c14\u7535\u6c60\u7684<\/b><\/strong>\u7535\u5316\u5b66<\/b><\/strong>\u6027\u80fd<\/b><\/strong>\u8868\u5f81<\/b><\/strong>\"\"<\/p>\n

a\uff09Fe,Mn\/N-C\u3001Fe\/N\u2013C\u3001Mn\/N\u2013C\u548cPt\/C\u50ac\u5316\u5242\u5728O2<\/sub>\u9971\u548c\u76840.1 M KOH\u6eb6\u6db2\u4e2d\u7684LSV\u66f2\u7ebf\u3002<\/p>\n

b\uff09Fe,Mn\/N-C\u3001\u5e02\u552ePt\/C\u548cRuO2<\/sub>\u50ac\u5316\u5242\u57280.10 M KOH\u4e2d\u7684LSV\u66f2\u7ebf\uff0c\u8868\u660e\u5176\u5bf9ORR\u548cOER\u7684\u53cc\u529f\u80fd\u6d3b\u6027\u3002<\/p>\n

c\uff09\u6db2\u6001\u53ef\u5145\u7535ZAB\u7684\u793a\u610f\u56fe\u3002<\/p>\n

d\uff09\u5728\u6c27\u6c14\u9971\u548c\u76846 M KOH\u6eb6\u6db2\u4e2d\uff0cFe,Mn\/N-C\u3001Fe\/N\u2013C\u3001Mn\/N\u2013C\u548cPt\/C\u50ac\u5316\u5242\u7684\u4e00\u6b21\u950c-\u7a7a\u6c14\u7535\u6c60\u7684\u6781\u5316\u548c\u529f\u7387\u5bc6\u5ea6\u66f2\u7ebf\u3002<\/p>\n

e\uff09\u57285 mA cm-2<\/sup>\u7684\u6052\u5b9a\u5145\u653e\u7535\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u53ef\u5145\u7535\u950c-\u7a7a\u6c14\u7535\u6c60\u7684\u5145\u653e\u7535\u5faa\u73af\u6027\u80fd\u3002<\/p>\n

f\uff09\u5168\u56fa\u6001\u950c-\u7a7a\u6c14\u7535\u6c60\u7684\u7167\u7247\uff0c\u5f00\u8def\u7535\u538b\u7ea6\u4e3a1.333 V\u3002\u7531\u4e09\u4e2a\u5168\u56fa\u6001\u950c-\u7a7a\u6c14\u7535\u6c60\u4f9b\u7535\u7684\u53d1\u5149LED\uff08\u5de6\u81f3\u53f3\u4e3a\u7eff\u8272\u3001\u7ea2\u8272\u548c\u84dd\u8272\uff09\u7684\u7167\u7247\u3002<\/p>\n

g\uff09\u5168\u56fa\u6001\u53ef\u5145\u7535ZAB\u57281 mA cm\u22122<\/sup>\u7684\u6052\u6d41\u5145\u653e\u7535\u5faa\u73af\u66f2\u7ebf\uff0c\u6bcf2\u5c0f\u65f6\u65bd\u52a0\u5f2f\u66f2\u5e94\u53d8\u3002<\/p>\n

\u56fe<\/b><\/strong>5 Fe,Mn\/N-C\u548cFe\/N-C\u50ac\u5316\u5242ORR\u6d3b\u6027\u7684DFT\u8ba1\u7b97Fe-N-C<\/b><\/strong>\"\"<\/p>\n

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e\uff09Fe,Mn\/N-C\u7684\u8def\u5f84\u5206\u522b\u4e3aU = 0 V\u30010.72 V\u548c1.23V\u3002<\/p>\n

f\uff09\u7ecfpH\u6821\u6b63\u7684Fe,Mn\/N6<\/sub>-1\u7684\u81ea\u7531\u80fd\u56fe\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1aRegulating Fe-spin state by atomically dispersed Mn-N in Fe-N-C catalysts with high oxygen reduction activity<\/u><\/a>\uff08Nat. Commun.\uff0c2021\uff0cDOI\uff1a10.1038\/s41467-021-21919-5\uff09<\/p>\n

\u3010\u5bfc\u5e08\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n

\u5f20\u4f73\u6960<\/strong>\u6559\u6388\u4e8e2005\u5e747\u6708\u83b7\u5f97\u5409\u6797\u5927\u5b66\u6750\u6599\u5316\u5b66\u4e13\u4e1a\u5b66\u58eb\u5b66\u4f4d\uff0c\u540c\u5e74\u62a5\u9001\u5409\u6797\u5927\u5b66\u65e0\u673a\u5316\u5b66\u4e13\u4e1a\uff0c\u7855\u535a\u8fde\u8bfb\uff0c2010\u5e74\u83b7\u5f97\u535a\u58eb\u5b66\u4f4d\uff08\u5bfc\u5e08\uff1a\u4e8e\u5409\u7ea2\u9662\u58eb\uff09\uff0c2008\u5e749\u6708\u81f32009\u5e746\u6708\u5728\u7f8e\u56fd\u6a61\u6811\u5cad\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u8bbf\u95ee\uff08\u5408\u4f5c\u5bfc\u5e08\uff1a\u6234\u80dc\u6559\u6388\uff09\u30022010\u5e747\u6708\u5165\u804c \u90d1\u5dde\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\uff0c2019\u5e74\u83b7\u6559\u80b2\u90e8\u201c\u957f\u6c5f\u5b66\u8005\u9752\u5e74\u5956\u52b1\u8ba1\u5212\u201d\u3002 2019\u5e74\u5728\u7f8e\u56fd\u6a61\u6811\u5cad\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u548c\u65e5\u672c\u56fd\u7acb\u7efc\u5408\u4ea7\u4e1a\u6280\u672f\u7814\u7a76\u6240\uff08AIST\uff09\u8bbf\u95ee\u5b66\u4e60\u3002\u76ee\u524d\u4e3b\u8981\u4ece\u4e8b\u9ad8\u6548\u78b3\u590d\u5408\u7535\u50ac\u5316\u5242\u7684\u5f00\u53d1\u8bbe\u8ba1\uff0c\u5206\u522b\u7528\u4e8e\u71c3\u6599\u7535\u6c60\u3001\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u3001\u9502\u786b\u7535\u6c60\u7b49\u3002\u8fc4\u4eca\u4e3a\u6b62\u4ee5\u7b2c\u4e00\u4f5c\u8005\/\u901a\u8baf\u4f5c\u8005\u5728Nat. Commun.\u3001Adv. Mater.\u3001Adv. Energy Mater.\u3001ACS Nano\u3001Adv. Funct. Mater.\u3001Energy Storage Mater.\u3001Nano Energy<\/i><\/em>\u7b49\u56fd\u9645\u6743\u5a01\u5b66\u672f\u671f\u520a\u53d1\u8868\u5b66\u672f\u8bba\u658750\u4f59\u7bc7\uff0c\u4ed6\u5f153200\u4f59\u6b21\uff0ch\u56e0\u5b50\u4e3a31\uff0c\u5f71\u54cd\u56e0\u5b50\u5927\u4e8e20\u76842\u7bc7\uff0cESI\u9ad8\u88ab\u5f15\u6587\u7ae04\u7bc7\uff0c\u6388\u6743\u56fd\u5bb6\u53d1\u660e\u4e13\u52296\u9879\u3002\u4e3b\u63014\u9879\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u9879\u76ee\u30022020\u5e74\u83b7\u6cb3\u5357\u7701\u79d1\u6280\u6210\u679c\u5956\u4e00\u7b49\u5956\uff08\u6392\u540d\u7b2c1\uff09\uff1b2017\u5e74\u83b7\u6cb3\u5357\u7701\u81ea\u7136\u79d1\u5b66\u4e00\u7b49\u5956\uff08\u6392\u540d\u7b2c2\uff09\uff1b\u62c5\u4efb\u9ad8\u7b49\u5b66\u6821\u5316\u5b66\u5b66\u62a5\uff08Chem. J. Chinese. U.<\/i><\/em>\uff09\u3001\u4e2d\u56fd\u5316\u5b66\u5feb\u62a5\uff08Chin. Chem. Lett.<\/i><\/em>\uff09\u3001InfoMat<\/i><\/em>\u7b49\u671f\u520a\u7684\u9752\u5e74\u7f16\u59d4\u548c<\/i><\/em>\u5ba2\u5ea7\u7f16\u8f91\u3002<\/p>\n

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\u4e3b\u8981\u6210\u679c\u6709\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n

    \n
  1. <\/b>\u9ad8\u6548\u5316\u5b66\u73af\u5883\u8c03\u63a7\u7684\u539f\u5b50\u7ea7\u975e\u8d35\u91d1\u5c5e\u6c27\u8fd8\u539f\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\uff1a<\/b><\/strong>Fe-N-C\u7c7b\u50ac\u5316\u5242\u56e0\u5176\u9ad8\u6d3b\u6027\u548c\u4f4e\u6210\u672c\u800c\u6210\u4e3a\u76ee\u524d\u6700\u6709\u5e0c\u671b\u4ee3\u66ff\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u9009\u62e9\u4e4b\u4e00\uff0c\u4f46\u8fd9\u7c7b\u6750\u6599\u7ed3\u6784\u548c\u6210\u5206\u5341\u5206\u590d\u6742\uff0c\u540c\u65f6\u5b58\u5728N-C\u3001Fe-Nx\u914d\u4f4d\u4e2d\u5fc3\u548c\u77f3\u58a8\u5316\u78b3\u5305\u8986\u7684\u91d1\u5c5e\u6001Fe\u7eb3\u7c73\u9897\u7c92\u7b49\u591a\u91cd\u50ac\u5316\u6d3b\u6027\u4e2d\u5fc3\uff0c\u4e14\u96be\u4ee5\u53ef\u63a7\u5236\u5907\u548c\u4f18\u5316\u3002\u56e0\u6b64\uff0c\u6df1\u5165\u63a2\u7a76Fe\u2212N\u2212C \u50ac\u5316\u4f53\u7cfb\u7684ORR \u50ac\u5316\u6d3b\u6027\u4e2d\u5fc3\u53ca\u50ac\u5316\u673a\u5236\uff0c\u662f\u8bbe\u8ba1\u4e0e\u6784\u7b51\u9ad8\u6027\u80fd\u548c\u53ef\u5b9e\u7528\u7684Fe\u2212N\u2212C \u50ac\u5316\u5242\u7684\u5173\u952e\u3002\u5bf9\u6b64\uff0c\u7533\u8bf7\u4eba\u5728\u6784\u7b51\u4e86\u4e00\u7ef4Fe-N-C\u50ac\u5316\u5242\u57fa\u7840\u4e0a\uff0c\u91c7\u7528\u786b\u5316\u91d1\u5c5e\u6001Fe\u539f\u5b50\u7c07\u7684\u529e\u6cd5\uff0c\u5373\u901a\u8fc7\u5229\u7528S\u7684p\u8f68\u9053\u7535\u5b50\u8026\u5408\u91d1\u5c5e\u6001Fe\u7684\u5916\u5c42d\u7535\u5b50\u7ed3\u6784\uff0c\u5b9e\u73b0\u4e86\u5bf9Fe-N-C\u6d3b\u6027\u4e2d\u5fc3\u7535\u5b50\u7ed3\u6784\u7684\u4f18\u5316\u3002\u5408\u6210\u7684\u50ac\u5316\u5242\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u5c55\u73b0\u4e86\u4e0e\u5546\u4e1aPt\/C\u50ac\u5316\u5242\u51e0\u4e4e\u76f8\u540c\u7684ORR\u50ac\u5316\u6d3b\u6027\uff0c\u8fd9\u4e3a\u65b0\u578b\u9ad8\u6548\u7684\u71c3\u6599\u7535\u6c60\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u548c\u5f00\u53d1\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def(Adv.\u00a0Mater.<\/i><\/b><\/em><\/strong>2018, 1804504\uff09\u3002\u6b64\u5916\uff0c\u7533\u8bf7\u4eba\u901a\u8fc7\u6742\u539f\u5b50\u63ba\u6742\u65b9\u6cd5\u8c03\u8282\u5355\u539f\u5b50\u50ac\u5316\u4e2d\u5fc3\u53d1\u73b0\u787c \uff08B\uff0cp\u8f68\u9053\u7f3a\u7535\u5b50\uff09\u53ca\u78f7\uff08P\uff0cp\u8f68\u9053\u5bcc\u7535\u5b50\uff09\u5143\u7d20\u7684\u63ba\u6742\u53ef\u4f7f\u7535\u5b50\u4ece\u91d1\u5c5e\u5411\u5176\u5468\u56f4C\u8f6c\u79fb\u6216\u53cd\u4e4b\uff0c\u4ece\u800c\u6fc0\u53d1\u4e86\u78b3\u5c42\u7684\u5316\u5b66\u548c\u50ac\u5316\u6d3b\u6027\uff08ACS Nano<\/i><\/b><\/em><\/strong>\u00a02018, 12, 1894,\u00a0<\/b><\/strong>ESI\u9ad8\u88ab\u5f15<\/b><\/strong>\uff1bChem. Commun.<\/i><\/b><\/em><\/strong>\u00a02017, 53, 9862\uff0cNano energy<\/b><\/strong>,\u00a0<\/b><\/strong>2020, 75\uff09\u3002<\/li>\n
  2. <\/b>\u9ad8\u6548\u78b3\u9650\u57df\u50a8\u80fd\u6750\u6599\u8bbe\u8ba1\uff1a<\/b><\/strong>\u7edd\u5927\u591a\u6570\u91d1\u5c5e\u6c27\u5316\u7269\u5728\u50a8\u9502\u5e94\u7528\u4e0a\u90fd\u9762\u4e34\u4e00\u4e2a\u74f6\u9888\u95ee\u9898\uff1a\u5de8\u5927\u7684\u4f53\u79ef\u53d8\u5316\u52a0\u4e4b\u7ed3\u6784\u4e0a\u7684\u4e0d\u7a33\u5b9a\u4f1a\u5e26\u6765\u6d3b\u6027\u6750\u6599\u7684\u7c89\u5316\uff0c\u4ece\u800c\u5f15\u8d77\u6bd4\u7535\u5bb9\u503c\u8fc5\u901f\u8870\u51cf\u3001\u500d\u7387\u6027\u80fd\u5dee\u4ee5\u53ca\u5faa\u73af\u5bff\u547d\u77ed\u7b49\u95ee\u9898\u3002\u5177\u6709\u91d1\u5c5e\u6c27\u5316\u7269@\u78b3\u6838\u58f3\u7ed3\u6784\u7684\u590d\u5408\u6750\u6599\u662f\u89e3\u51b3\u65b9\u6848\u4e4b\u4e00\u3002\u7136\u800c\uff0c\u5373\u4f7f\u662f\u5728\u78b3\u201c\u8863\u201d\u7684\u4fdd\u62a4\u4e0b\uff0c\u5728\u7ecf\u5386\u591a\u6b21\u9502\u5316\u8fc7\u7a0b\u540e\uff0c\u91d1\u5c5e\u6c27\u5316\u7269\u7c92\u5b50\u4f53\u79ef\u53d8\u5316\u4ecd\u6ca1\u6709\u5f97\u5230\u8db3\u591f\u6709\u6548\u7684\u7a7a\u95f4\u7f13\u51b2\uff0c\u5e76\u4e14\u4e25\u91cd\u53d7\u5230\u7535\u89e3\u8d28\u7684\u8150\u8680\u4f5c\u7528\uff0c\u5bfc\u81f4\u7ed3\u6784\u90e8\u5206\u574d\u584c\uff0c\u4ece\u800c\u96be\u4ee5\u83b7\u5f97\u7406\u60f3\u7684\u9502\u7535\u6c60\u6027\u80fd\u3002\u9488\u5bf9\u8fd9\u4e00\u95ee\u9898\uff0c\u7533\u8bf7\u4eba\u9996\u6b21\u62a5\u9053\u5229\u7528\u7a7a\u95f4\u9650\u57df\u70ed\u89e3\u6280\u672f\u5236\u5907\u4e00\u79cd\u65b0\u578b\u9502\u7535\u8d1f\u6781\u6750\u6599\uff1a\u78b3\u7b3c\u9650\u57dfFe3<\/sub>O4<\/sub>@Fe3<\/sub>C\u5f02\u8d28\u7eb3\u7c73\u9897\u7c92\u7ed3\u6784\u3002\u78b3\u7b3c\u53ef\u63d0\u4f9b\u5145\u8db3\u7684\u7a7a\u4f53\u79ef\u7f13\u89e3\u9502\u5316\u8fc7\u7a0b\u4e2dFe3<\/sub>O4<\/sub>\u7684\u4f53\u79ef\u81a8\u80c0\u95ee\u9898\uff0cFe3<\/sub>C\u58f3\u5219\u53ef\u4f5c\u4e3a\u201c\u4fdd\u62a4\u5c42\u201d\u6709\u6548\u6291\u5236Fe3<\/sub>O4<\/sub>\u7684\u4f53\u79ef\u81a8\u80c0\uff0c\u5b9e\u73b0\u957f\u5faa\u73af\u5bff\u547d\u548c\u9ad8\u500d\u7387\u6027\u80fd\u3002\u6b64\u5916\uff0cFe3<\/sub>O4<\/sub>@Fe3<\/sub>C-\u78b3yolk-shell\u7ed3\u6784\u7531\u5916\u5230\u5185\u540c\u65f6\u5b58\u5728\u78b3\/Fe3<\/sub>C\u3001Fe3<\/sub>C\/Fe3<\/sub>O4<\/sub>\u4e24\u79cd\u5f02\u8d28\u754c\u9762\uff0c\u8fd8\u6709\u5229\u4e8e\u63d0\u9ad8\u50a8\u9502\u5bb9\u91cf\uff08\u5982\u56fe12\u5de6\u56fe\u6240\u793a\uff09\u3002\u7531\u6b64\u53ef\u89c1\uff0c\u78b3\/\u91d1\u5c5e\u6c27\u5316\u7269\/\u78b3\u5316\u7269\u5f02\u8d28\u7ed3\u6784\u5bf9\u4e8e\u63d0\u9ad8\u7535\u5316\u5b66\u6027\u80fd\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u7ed3\u6784\u5f62\u5f0f\uff08ACS Nano<\/i><\/b><\/em><\/strong><\/i>2015, 9, 3369\uff0cESI\u9ad8\u88ab\u5f15<\/b><\/strong>\uff09\u3002<\/li>\n<\/ol>\n

    \u672c\u6587\u7531\u6728\u6587\u97ec<\/b><\/strong>\u7ffb\u8bd1\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

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