{"id":145175,"date":"2018-07-10T14:00:43","date_gmt":"2018-07-10T06:00:43","guid":{"rendered":"\/\/m.iemloyee.com\/?p=145175"},"modified":"2018-07-09T18:31:02","modified_gmt":"2018-07-09T10:31:02","slug":"%e6%88%b4%e9%bb%8e%e6%98%8e%e7%8e%8b%e5%b3%b0angew-chem-int-ed-%e5%88%86%e6%95%a3%e4%ba%8e%e5%88%86%e7%ba%a7%e5%a4%9a%e5%ad%94%e7%a2%b3%e9%aa%a8%e6%9e%b6%e7%9a%84%e5%8d%95%e5%8e%9f%e5%ad%90","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=145175","title":{"rendered":"\u6234\u9ece\u660e&\u738b\u5cf0Angew. Chem. Int. Ed. : \u5206\u6563\u4e8e\u5206\u7ea7\u591a\u5b54\u78b3\u9aa8\u67b6\u7684\u5355\u539f\u5b50\u94c1\u57fa\u9ad8\u6548ORR\u50ac\u5316\u5242"},"content":{"rendered":"

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

\u968f\u7740\u91d1\u5c5e(\u4f8b\u5982Pt\uff0cFe)\u57fa\u7eb3\u7c73\u7c92\u5b50\u50ac\u5316\u5242\u7684\u53d1\u5c55\uff0c\u7814\u7a76\u4eba\u5458\u5df2\u7ecf\u5bf9\u67d0\u4e9b\u6709\u6548\u7684\u5177\u6709\u5355\u5206\u5b50\u6216\u5355\u539f\u5b50(SA)\u6d3b\u6027\u4f4d\u70b9\u7684\u94c1\u57faORR\u50ac\u5316\u5242\u8fdb\u884c\u4e86\u7814\u7a76\u3002\u6700\u8fd1\u7684\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u4e00\u4e9bSA\u91d1\u5c5e\u50ac\u5316\u5242\u6709\u671b\u7528\u4e8e\u80fd\u6e90\u76f8\u5173\u7684\u7535\u50ac\u5316\u9886\u57df\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5229\u7528\u542bFe\u3001N\u548cC\u7684\u524d\u9a71\u4f53\u70ed\u89e3\u4ea7\u751f\u5177\u6709N\u548cC\u914d\u4f4d\u7684\u4e0d\u9971\u548cFe\u539f\u5b50(Fe-N\/C)\u4ecd\u7136\u662f\u5236\u5907Fe-N\/C\u590d\u5408ORR\u50ac\u5316\u5242\u7684\u6700\u91cd\u8981\u9014\u5f84\u4e4b\u4e00\u3002\u4e3a\u907f\u514dFe\u539f\u5b50\u7684\u805a\u96c6\u548c\u9ad8\u6e29\u4e0b\u542bN\u57fa\u56e2\u7684\u6d41\u5931\uff0c\u70ed\u89e3\u9700\u5728\u82db\u523b\u7684\u6c14\u6c1b(\u5982NH3<\/sub>)\u4e2d\u8fdb\u884c\uff0c\u6545\u800c\u96be\u4ee5\u901a\u8fc7\u6539\u53d8\u5408\u6210\u6761\u4ef6\u6765\u8c03\u8282\u6d3b\u6027\u4f4d\u70b9\uff0c\u8fdb\u800c\u4f18\u5316ORR\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u7531\u4e8e\u76f4\u63a5\u70ed\u89e3\u9884\u652f\u6491\u4e8e\u78b3\u57fa\u5e95\u4e0a\u7684\u5bcc\u6c2e\u7684\u94c1\u524d\u9a71\u4f53\u53ef\u5145\u5206\u63a7\u5236\u6d3b\u6027\u7aef\u7ed3\u6784\uff0c\u8fd1\u6765\u5f15\u8d77\u4e86\u76f8\u5f53\u5927\u7684\u5173\u6ce8\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5728\u78b3\u8d1f\u8f7d\u7684\u542b\u94c1\u524d\u9a71\u4f53\u4e2d\u4e3aFe\u539f\u5b50\u5f00\u53d1\u7406\u60f3\u7684\u914d\u4f4d\u73af\u5883\u4ee5\u907f\u514d\u70ed\u89e3\u8fc7\u7a0b\u4e2d\u7684\u805a\u96c6\uff0c\u4ecd\u7136\u5b58\u5728\u7740\u6311\u6218\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u5316\u5de5\u5927\u5b66\u738b\u5cf0\u6559\u6388\u3001\u7f8e\u56fd\u51ef\u65af\u897f\u50a8\u5927\u5b66\u6234\u9ece\u660e\u6559\u6388\u7b49<\/strong>\u901a\u8fc7\u70ed\u89e3\u5c01\u88c5\u4e8e\u591a\u5b54\u78b3\u8f7d\u4f53\u5fae\u5b54\u5185\u7684\u975e\u53d6\u4ee3\u915e\u83c1\/\u94c1\u915e\u83c1\u590d\u5408\u7269\u5236\u5907\u4e86\u5206\u6563\u4e8e\u5206\u5c42\u7ed3\u6784\u7684\u591a\u5b54\u78b3(SA-Fe-HPC)\u9aa8\u67b6\u4e0a\u7684\u5355\u539f\u5b50Fe\u50ac\u5316\u5242\uff0c\u5e76\u5728Angew. Chem. Int. Ed.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cEfficient Oxygen Reduction Reaction (ORR) Catalysts Based on Single Iron Atoms Dispersed on a Hierarchically Structured Porous Carbon Framework<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u8be5\u8bba\u6587\u88ab\u9009\u4e3a\u70ed\u70b9\u8bba\u6587\u3002\u5355\u539f\u5b50Fe\u50ac\u5316\u5242\u662f\u7531N\u914d\u4f53\u914d\u4f4d\u7684Fe\u539f\u5b50\u6e05\u6670\u7684\u539f\u5b50\u5206\u6563\u4e8e\u4e09\u7ef4\u5206\u5c42\u591a\u5b54\u78b3\u8f7d\u4f53\u4e0a\u5236\u5907\u7684\u3002\u4e0a\u8ff0SA-Fe-HPC\u50ac\u5316\u5242\u5373\u4f7f\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\uff0c\u5176\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u6d3b\u6027(E1\/2<\/sub> = 0.81V)\u4e5f\u4e0e\u5546\u4e1aPt\/C\u7535\u6781\u76f8\u5f53\uff0c\u4f46\u5177\u6709\u66f4\u597d\u7684\u957f\u671f\u7535\u5316\u5b66\u7a33\u5b9a\u6027(3000\u6b21\u7535\u4f4d\u5faa\u73af\u540e7mV\u8d1f\u79fb)\u548c\u71c3\u6599\u9009\u62e9\u6027\u3002\u5728\u78b1\u6027\u4ecb\u8d28\u4e2d\uff0cSA-Fe-HPC\u50ac\u5316\u5242\u5728ORR\u6d3b\u6027(E1\/2<\/sub> = 0.89V)\u3001\u71c3\u6599\u9009\u62e9\u6027\u548c\u957f\u671f\u7a33\u5b9a\u6027(3000\u6b21\u7535\u52bf\u5faa\u73af\u540e1mV\u8d1f\u79fb\u4f4d)\u65b9\u9762\u4f18\u4e8e\u5546\u4e1a\u5316Pt\/C\u7535\u6781\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u56fe1 SA-Fe-HPC\u6837\u54c1\u7684\u5f62\u8c8c\u3001\u7ed3\u6784\u548c\u8868\u9762\u5143\u7d20\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a) SA-Fe-HPC\u6837\u54c1\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

b) SA-Fe-HPC\u6837\u54c1\u7684\u9ad8\u5206\u8fa8HAADF-STEM\u56fe\u50cf\uff1b<\/p>\n

c) HPC\u3001Fe-N-C\u3001NP-Fe-HPC\u548cSA-Fe-HPC\u7684\u6c2e\u6c14\u5438-\u8131\u9644\u66f2\u7ebf\u53ca\u76f8\u5e94\u7684DFT \u5b54\u5f84\u5206\u5e03\uff1b<\/p>\n

d) Fe-N-C\u3001NP-Fe-HPC\u548cSA-Fe-HPC\u7684XRD\u8c31\u56fe\uff1b<\/p>\n

e) NP-Fe-HPC\u548cSA-Fe-HPC\u7684Fe 2p\u9ad8\u5206\u8fa8XPS\u5149\u8c31\uff1b<\/p>\n

f) NP-Fe-HPC\u548cSA-Fe-HPC\u7684 N 1s\u9ad8\u5206\u8fa8XPS\u5149\u8c31\u3002<\/p>\n

\u56fe2 SA-Fe-HPC\u7684\u7cbe\u7ec6\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a) SA-Fe-HPC\u548cNP-Fe-HPC\u7684Fe K\u8fb9 XANES\u5149\u8c31\uff1b<\/p>\n

b) SA-Fe-HPC\u548cNP-Fe-HPC\u7684\u5085\u91cc\u53f6\u53d8\u6362k3<\/sup>-\u6743\u91cd \u03c7(k)-\u51fd\u6570 EXAFS\u5149\u8c31\uff1b<\/p>\n

c) SA-Fe-HPC\u768457<\/sup>Fe M\u00f6sssbauer\u53d8\u6362\u5149\u8c31\uff1b<\/p>\n

d) NP-Fe-HPC\u768457<\/sup>Fe M\u00f6sssbauer\u53d8\u6362\u5149\u8c31\u3002<\/p>\n

\u56fe3 SA-Fe-HPC\u7684ORR\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a) \u626b\u901f50 mV\u00b7s-1<\/sup>\uff0cHPC\u3001Fe-N-C\u3001NP-Fe-HPC\u548cSA-Fe-HPC\u5728O2<\/sub>\u9971\u548c\u7684(\u5b9e\u7ebf)\u6216N2<\/sub>\u9971\u548c\u7684(\u865a\u7ebf)0.1 M KOH\u7684CV\u66f2\u7ebf\uff1b<\/p>\n

b) 1600 rpm\u4e0b\uff0cO2<\/sub>\u9971\u548c\u76840.1 M KOH\u4e2d\u76f8\u5e94\u7684RRDE\u4f0f\u5b89\u66f2\u7ebf\uff1b<\/p>\n

c) \u7531\u76f8\u5e94\u7684LSV\u6570\u636e\u8fdb\u884c\u8d28\u91cf\u4f20\u9012\u6821\u6b63\u5f97\u5230\u7684Tafel\u659c\u7387\uff1b<\/p>\n

d) O2<\/sub>\u9971\u548c\u76840.1 M H2<\/sub>SO4<\/sub>\u4e2d\uff0c\u626b\u901f5 mV\u00b7s-1<\/sup>\u7684LSV\u4f0f\u5b89\u66f2\u7ebf\uff1b<\/p>\n

e) O2<\/sub>\u9971\u548c\u76840.1 M H2<\/sub>SO4<\/sub>\u4e2d\uff0c\u626b\u901f5 mV\u00b7s-1<\/sup>\u65f6\u4e0d\u540c\u7684\u8f6c\u901f\u4e0b(400-2025 rpm) SA-Fe-HPC\u7535\u6781\u7684LSV\u6781\u5316\u66f2\u7ebf\uff0c\u5185\u63d2\u4e3a\u4e0d\u540c\u7535\u52bf\u4e0b\u76f8\u5e94\u7684K-L\u66f2\u7ebf(J-1<\/sup>\u5bf9\u03c9-1\/2<\/sup>) \uff1b<\/p>\n

f) N2<\/sub>\u9971\u548c\u76840.1 M H2<\/sub>SO4<\/sub>\u4e2d\uff0c100 mV\u00b7s-1<\/sup>\u626b\u901f\u4e0b\uff0c0.6-1.1 V\u8303\u56f4\u5185SA-Fe-HPC\u548cPt\/C 3000\u6b21\u5faa\u73af\u524d\u540e\u7684ORR\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

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

\u603b\u4e4b\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86\u4e00\u79cd\u901a\u7528\u7684\u7b56\u7565\uff0c\u5373\u5728\u591a\u5b54\u78b3\u8f7d\u4f53\u4e0a\u5236\u5907\u5177\u6709\u539f\u5b50Fe\u5206\u6563\u7684\u94c1\u57fa\u50ac\u5316\u5242\uff0c\u5e76\u8bc1\u5b9e\u5176\u5728\u78b1\u6027\u548c\u9178\u6027\u7535\u89e3\u8d28\u4e2d\u663e\u793a\u51fa\u4f18\u5f02\u7684ORR\u6027\u80fd\uff0c\u6210\u4e3a\u94c2\u57faORR\u50ac\u5316\u5242\u7684\u66ff\u4ee3\u54c1\uff0c\u751a\u81f3\u53ef\u7528\u4e8ePEM\u71c3\u6599\u7535\u6c60\u3002SA-Fe-HPC\u663e\u8457\u7684ORR\u6027\u80fd\u5e94\u5f52\u56e0\u4e8e\u5355\u4e00Fe\u539f\u5b50\u6d3b\u6027\u4f4d\u70b9\u5728\u5177\u6709\u9ad8\u6d53\u5ea6\/\u66b4\u9732\u6d3b\u6027\u4f4d\u70b9\u76843D\u5206\u7ea7\u591a\u5b54\u78b3\u8f7d\u4f53\u4e0a\u7684\u4f18\u5316\u914d\u4f4d\u73af\u5883\u7684\u6e05\u6670\u5206\u6563\u3002\u8be5\u7814\u7a76\u4e2d\u5f00\u53d1\u7684\u65b9\u6cd5\u53ef\u7528\u4e8e\u4ece\u50a8\u91cf\u4e30\u5bcc\u7684\u751f\u7269\u8d28\u548c\u91d1\u5c5e\u914d\u5408\u7269\u751f\u4ea7\u5404\u79cd\u9ad8\u6027\u80fd\u5355\u539f\u5b50\u50ac\u5316\u5242\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a Efficient Oxygen Reduction Reaction (ORR) Catalysts Based on Single Iron Atoms Dispersed on a Hierarchically Structured Porous Carbon Framework<\/a><\/strong>\u00a0(Angew. Chem. Int. Ed.<\/strong>, 2018, DOI: 10.1002\/anie.201804958)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5c0f\u7ec4abc940504\u7f16\u8bd1\u6574\u7406\uff0c\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065953\u201d\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\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\u7f16\u8f91\u90e8<\/a><\/strong>\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

\u4eea\u5668\u8bbe\u5907\u3001\u8bd5\u5242\u8017\u6750\u3001\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u627e\u6750\u6599\u4eba\u3001\u4e0a\u6d4b\u8bd5\u8c37<\/a><\/strong>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u968f\u7740\u91d1\u5c5e(\u4f8b\u5982Pt\uff0cFe)\u57fa\u7eb3\u7c73\u7c92\u5b50\u50ac\u5316\u5242\u7684\u53d1\u5c55\uff0c\u7814\u7a76\u4eba\u5458\u5df2\u7ecf\u5bf9\u67d0\u4e9b\u6709\u6548\u7684\u5177\u6709\u5355\u5206\u5b50\u6216\u5355\u539f\u5b50(SA)\u6d3b\u6027\u4f4d\u70b9\u7684\u94c1\u57faORR\u50ac\u5316\u5242\u8fdb\u884c\u4e86\u7814\u7a76\u3002\u6700\u8fd1\u7684\u7814\u7a76\u7ed3…<\/p>\n","protected":false},"author":4931,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[2654,2815],"class_list":["post-145175","post","type-post","status-publish","format-standard","hentry","category-jiedu","tag-orr","tag-2815"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/145175"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/4931"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=145175"}],"version-history":[{"count":3,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/145175\/revisions"}],"predecessor-version":[{"id":145587,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/145175\/revisions\/145587"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=145175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=145175"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=145175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}