{"id":246958,"date":"2023-02-11T05:53:15","date_gmt":"2023-02-10T21:53:15","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=246958"},"modified":"2023-02-09T13:55:59","modified_gmt":"2023-02-09T05:55:59","slug":"%e6%b0%a7%e8%bf%98%e5%8e%9f%e5%8f%8d%e5%ba%94orr%e4%b8%93%e9%a2%98-%e5%8d%95%e5%8e%9f%e5%ad%90%e5%82%ac%e5%8c%96%e5%89%82%e7%9a%84%e8%ae%be%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=246958","title":{"rendered":"\u00a0\u201c\u6c27\u8fd8\u539f\u53cd\u5e94\u201d(ORR)\u4e13\u9898: \u201c\u5355\u539f\u5b50\u50ac\u5316\u5242\u201d\u7684\u8bbe\u8ba1\u4e0e\u5e94\u7528"},"content":{"rendered":"

\u524d\u8a00\uff1a<\/b><\/strong>\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)<\/b><\/strong>\u662f\u71c3\u6599\u7535\u6c60\u548c\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u7b49\u65b0\u578b\u80fd\u91cf\u5b58\u50a8\u548c\u8f6c\u6362\u7cfb\u7edf\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e24\u4e2a\u534a\u53cd\u5e94\u4e4b\u4e00\u3002\u7136\u800c\uff0cORR\u7684\u7535\u5b50\u4f20\u9012\u591a\u6b65\u4e14\u901f\u5ea6\u6162\uff0c\u4f20\u8d28\u6548\u7387\u4f4e\uff0c\u5bfc\u81f4\u5176\u52a8\u529b\u5b66\u901f\u5ea6\u6162\uff0c\u6781\u5927\u5730\u963b\u788d\u4e86\u5176\u5728\u5b9e\u9645\u5668\u4ef6\u4e2d\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u6709\u5fc5\u8981\u5f00\u53d1\u80fd\u591f\u540c\u65f6\u5b9e\u73b0\u5feb\u901f\u7535\u8377\u8f6c\u79fb\u548c\u4f20\u8d28\u7684\u9ad8\u6548ORR\u50ac\u5316\u5242\u3002\u5728\u6c27\u7535\u6781\u4e0a\uff0c\u7535\u50ac\u5316\u5242\u3001\u7535\u89e3\u8d28\u548c\u6c14\u4f53\u7684\u4e09\u76f8\u754c\u9762\u4f1a\u5f71\u54cd\u50ac\u5316\u5242\u7684\u672c\u5f81\u6d3b\u6027\u3002\u4e09\u76f8\u754c\u9762\u5fae\u73af\u5883\u63a7\u5236\u7740\u7269\u8d28(\u53cd\u5e94\u6c14\u4f53\u3001\u6c34\u548c\u6c22\u6c27\u6839\u79bb\u5b50)\u7684\u6269\u6563\u548c\u7535\u5b50\u7684\u8f6c\u79fb\u3002\u56e0\u6b64\uff0c\u5408\u7406\u7684\u50ac\u5316\u5242\u8bbe\u8ba1(\u5982\u4eb2\u6c34\u591a\u5b54\u7684\u7a7a\u5fc3\u78b3\u7eb3\u7c73\u7b3c<\/b><\/strong>)\u53ef\u4ee5\u8c03\u8282\u4e09\u76f8\u754c\u9762\u5fae\u73af\u5883<\/b><\/strong>\uff0c\u4ece\u800c\u63d0\u9ad8\u50ac\u5316\u5242\u7684\u50ac\u5316\u6027\u80fd\uff0c\u4fc3\u8fdb\u7535\u6781\u53cd\u5e94\u8fc7\u7a0b\u3002\u4f8b\u5982\uff0c\u5177\u6709\u5fae\u5b54\u3001\u4e2d\u5b54\u548c\u5927\u5b54\u7684\u4e09\u7ea7\u591a\u5b54N\u63ba\u6742\u7a7a\u5fc3\u78b3\u7eb3\u7c73\u7b3c<\/b><\/strong>\u8868\u73b0\u51faORR\u6700\u4f73\u7684\u7535\u50ac\u5316\u6027\u80fd:\u5728\u8fd9\u79cd\u65b0\u578b\u4e09\u7ea7\u591a\u5b54\u7a7a\u5fc3\u4f53\u7cfb\u4e2d\uff0c\u5927\u5b54\u53ef\u4ee5\u50a8\u5b58\u53cd\u5e94\u7269\uff0c\u4e2d\u5b54\u53ef\u4ee5\u63d0\u9ad8\u53cd\u5e94\u7269\u7684\u8fd0\u8f93\u6548\u7387\uff0c\u5fae\u5b54\u6709\u5229\u4e8e\u6d3b\u6027\u79bb\u5b50\u7684\u79ef\u7d2f\u3002\u8fd9\u4e9b\u5177\u6709\u4eb2\u6c34\u6027\u548c\u5c42\u6b21\u7ed3\u6784\u7684\u7a7a\u5fc3\u591a\u5b54\u78b3\u7eb3\u7c73\u7b3c\u53ef\u4f5c\u4e3a\u8bbe\u8ba1\u9ad8\u6027\u80fdORR\u7528\u91d1\u5c5e\u5355\u539f\u5b50\u50ac\u5316\u5242(SAC<\/b><\/strong>s<\/b><\/strong>)<\/b><\/strong>\u00a0(\u5305\u62ec\u8d35\u91d1\u5c5e(Pt)\u548c\u8fc7\u6e21\u91d1\u5c5e(Fe, Co, Ni) SACs)\u7684\u5408\u683c\u8f7d\u4f53\u6750\u6599\u3002\u4e0b\u9762\u662f\u57fa\u4e8eAdvanced Materials<\/b><\/strong>\u3001Advanced Science<\/b><\/strong>\u3001S<\/b><\/strong>mall<\/b><\/strong>\u00a0Structure<\/b><\/strong>\u548c<\/b><\/strong>Materials Advance<\/b><\/strong>\u7b49\u671f\u520a<\/b><\/strong>\u4e0a\u6709\u5173O<\/b><\/strong>RR<\/b><\/strong>\u548cS<\/b><\/strong>AC<\/b><\/strong>s<\/b><\/strong>\u7efc\u8ff0\u8bba\u6587\u8fdb\u884c\u7684\u6848\u4f8b\u603b\u7ed3\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u6709\u6240\u542f\u53d1\u548c\u5e2e\u52a9\u3002<\/p>\n

\u00a0<\/b><\/strong><\/p>\n

    \n
  1. <\/b>\u7a7a\u5fc3\u78b3\u7eb3\u7c73\u7b3c<\/b><\/strong>+\u5355\u539f\u5b50\u50ac\u5316\u5242<\/b><\/strong><\/li>\n<\/ol>\n

    \u94c2(Pt)\u662f\u76ee\u524d\u6700\u9ad8\u6548\u7684ORR\u7535\u50ac\u5316\u5242\u3002\u5982\u4f55\u5145\u5206\u5229\u7528\u94c2\u539f\u5b50\uff0c\u51cf\u5c11\u94c2\u91d1\u5c5e\u7684\u7528\u91cf\uff0c\u662f\u76ee\u524d\u6700\u91cd\u8981\u7684\u5de5\u4f5c\u3002\u78b3\u8d1f\u8f7d\u5355\u539f\u5b50Pt\u50ac\u5316\u5242\u7684\u5b9e\u65bd\u6709\u671b\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4ePt\u7684\u542b\u91cf\uff0c\u591a\u5b54\u7a7a\u5fc3\u78b3\u6750\u6599\u53ef\u4ee5\u4fc3\u8fdb\u6c27\u6c14\u6269\u6563\uff0c\u4fc3\u8fdbPt\u4f4d\u70b9\u7684\u53ef\u53ca\u6027\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8ORR\u6027\u80fd\u3002\u6700\u8fd1\uff0cAmal\u7b49\u4eba\u5b9e\u73b0\u4e86\u4e00\u79cd\u9ad8\u6d3b\u6027\u3001\u9ad8\u7a33\u5b9a\u6027\u3001\u9ad8\u8f6c\u5316\u6548\u7387(TOF)\u4e14\u542b\u91cf\u4ec5\u4e3a0.026 wt.%\u7684Pt\u5355\u539f\u5b50\u6c27\u8fd8\u539f\u50ac\u5316\u5242(\u7a7a\u5fc3\u78b3\u7403\u8d1f\u8f7d\u5355\u539f\u5b50Pt\u50ac\u5316\u5242)(\u8be6\u89c1\u56fe1A-D<\/b><\/strong>)\u3002DFT\u6a21\u62df\u7ed3\u679c\u8868\u660e\uff0c\u5f53P\u539f\u5b50\u53d6\u4ee3Pt-N3<\/sub>\u4e0a\u7684\u03b1-\u78b3\u65f6\uff0cPt\u7684d\u5e26\u4e2d\u5fc3\u53d8\u6df1\uff0c\u6709\u5229\u4e8e\u6c27\u8fd8\u539f\u3002\u8be5\u50ac\u5316\u5242\u7ecf\u6d4b\u8bd5\u4ec5\u542b\u6709\u7ea60.026 wt.% Pt\uff0c\u4f46\u57280.1 M KOH\u4e2d\u663e\u793a\u51fa\u4e0e\u5546\u4e1aPt\/C (20 wt.%)\u76f8\u5f53\u7684\u6c27\u8fd8\u539f\u6d3b\u6027(\u5177\u6709\u63a5\u8fd10.85 V\u7684\u9ad8\u534a\u6ce2\u7535\u4f4d)\u3002\u5355\u539f\u5b50Pt\u7684\u8f6c\u6362\u9891\u7387(TOF)\u9ad8\u8fbe6.80 s-1<\/sup>\u00a0(0.9V)\uff0c\u662f\u5546\u7528Pt\/C\u7684\u8fd1170\u500d\u3002\u5b83\u8fd8\u5177\u6709\u9ad8\u7a33\u5b9a\u6027\u548c\u4f18\u79c0\u7684TOF\u8d85\u8fc715,000\u4e2a\u6d4b\u8bd5\u5468\u671f\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u8bbe\u8ba1\u8d85\u4f4e\u94c2\u8d1f\u8f7d\u548c\u9ad8\u6027\u80fdORR\u7535\u50ac\u5316\u5242\u5f00\u8f9f\u4e86\u65b0\u7684\u7b56\u7565\u3002<\/p>\n

    \u57fa\u4e8eFe-N-C(Fe-N4<\/sub>)\u7ed3\u6784\u7684Fe\u5355\u539f\u5b50\u50ac\u5316\u5242\u56e0\u5176\u6700\u5927\u7684\u539f\u5b50\u5229\u7528\u7387\u548c\u4f18\u5f02\u7684ORR\u7279\u6027(\u4e0ePt\u76f8\u5f53)\u800c\u5438\u5f15\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002\u6b64\u524d\uff0cTang\u4f7f\u7528\u5ec9\u4ef7\u7684\u751f\u7269\u6750\u6599\u7ec4\u6c28\u9178(His)\u4f5c\u4e3a\u6c2e\u548c\u78b3\u6e90\uff0c\u5728\u7a7a\u5fc3\u6c2e\u63ba\u6742\u78b3\u7403(Fe-N-C HNSs)\u4e0a\u8fdb\u884c\u4e86\u56fa\u5b9a\u548c\u5206\u6563\u94c1\u5355\u539f\u5b50\u7684SiO2\u6a21\u677f\u5408\u6210(\u8be6\u89c1\u56fe<\/b><\/strong>1<\/b><\/strong>\u00a0E-H<\/b><\/strong>)\u3002\u5236\u5907\u7684Fe-N-C HNSs\u5177\u6709\u5927\u91cf\u539f\u5b50\u5206\u6563\u7684Fe-N4<\/sub>\u548c\u72ec\u7279\u7684\u7403\u5f62\u7a7a\u5fc3\u7ed3\u6784\uff0c\u5728\u78b1\u6027KOH\u4ecb\u8d28\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684ORR\u6027\u80fd\uff0c\u5177\u6709\u9ad8\u6d3b\u6027\u3001\u957f\u671f\u7a33\u5b9a\u6027\u548c\u4f18\u5f02\u7684\u8010\u7532\u9187\u6027\u80fd\uff0c\u8d85\u8fc7\u4e86\u5546\u7528Pt\/C\u50ac\u5316\u5242\u548c\u5927\u591a\u6570\u5148\u524d\u62a5\u9053\u7684\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u3002Fe-N-C HNS\u7684Eonset<\/sub>\u548cE1\/2<\/sub>\u5206\u522b\u4e3a1.046\u548c0.87 V\uff0c\u8d85\u8fc7Pt\/C\u503c(1.03 V\u548c0.84 V)\uff0c\u5373\u4f7f\u8fde\u7eed\u5faa\u73af10000\u6b21\uff0cFe-N-C HNS\u7684E1\/2<\/sub>\u4e5f\u6ca1\u6709\u660e\u663e\u8870\u51cf\u3002\u4f18\u5f02ORR\u6027\u80fd\u7684\u4e3b\u8981\u539f\u56e0\u5728\u4e8e\u5176\u72ec\u7279\u7684\u7ed3\u6784\u548c\u5316\u5b66\u6210\u5206:(1)\u8584\u58c1\u5f00\u653e\u6846\u67b6\u7a7a\u5fc3\u78b3\u7eb3\u7c73\u7403\u80fd\u6709\u6548\u5730\u66b4\u9732\u548c\u5229\u7528\u6d3b\u6027\u4f4d;(2)\u78b3\u7eb3\u7c73\u7403\u4e2d\u7684\u4ecb\u5b54\u80fd\u663e\u8457\u6269\u5927\u7535\u89e3\u8d28\/\u50ac\u5316\u5242\u63a5\u89e6\u9762\u79ef\uff0c\u4fc3\u8fdbO2<\/sub>\u6269\u6563;(3)\u9ad8\u77f3\u58a8\u5316\u7684Fe-N-C HNSs\u80fd\u63d0\u9ad8\u5bfc\u7535\u6027\uff0c\u4fc3\u8fdb\u7535\u5b50\u8f6c\u79fb;(4)\u5421\u5576-N\u548c\u77f3\u58a8-N\u542b\u91cf\u9ad8\uff0c\u4e0d\u4ec5\u6709\u5229\u4e8eO2<\/sub>\u7684\u5438\u9644\uff0c\u8fd8\u80fd\u63d0\u9ad8\u5bfc\u7535\u6027\u80fd\u548c\u4eb2\u6c34\u6027\u3002<\/p>\n

     <\/p>\n

     <\/p>\n

    \"\"<\/p>\n

     <\/p>\n

    \u56fe<\/b><\/strong>1<\/b><\/strong>\u4e2d\u7a7a\u78b3\u7eb3\u7c73\u7b3c\u4f5c\u4e3a\u9ad8\u6548ORR\u7535\u50ac\u5316\u5242:(A-D)\u78b3\u7eb3\u7c73\u7b3c-\u8d1f\u8f7d\u5355\u539f\u5b50Pt\u50ac\u5316\u5242\uff0c (E-H)\u78b3\u7eb3\u7c73\u7b3c-\u8d1f\u8f7d\u5355\u539f\u5b50Fe\u50ac\u5316\u5242\uff0c (I-L)\u78b3\u7eb3\u7c73\u7b3c-\u8d1f\u8f7d\u5355\u539f\u5b50Co\u50ac\u5316\u5242)\uff0c (M-P)\u78b3\u7eb3\u7c73\u7b3c-\u8d1f\u8f7d\u53cc\u539f\u5b50Co,Ni\u50ac\u5316\u5242\u30101\u3011\u3002<\/b><\/strong><\/p>\n

    \u00a0<\/b><\/strong><\/p>\n

    2020\u5e74\uff0cChen\u7b49\u4eba\u7ed3\u5408DFT\u8ba1\u7b97\u548c\u7535\u5316\u5b66\u5206\u6790\uff0c\u8bc1\u660e\u4e86\u5355\u539f\u5b50Co\u50ac\u5316\u5242\u6d3b\u6027\u4f4d\u70b9\u7684\u539f\u5b50\u6784\u578b\u8bf1\u5bfc\u7535\u5b50\u5bc6\u5ea6\u4e0eORR\u6027\u80fd\u4e4b\u95f4\u7684\u76f8\u5173\u6027(\u8be6\u89c1\u56fe1I-L<\/b><\/strong>)\u3002Han\u7b49\u4eba\u4e5f\u63d0\u51fa\u4e86\u591a\u5df4\u80fa(DPA)\u5305\u8986MOF\u7684\u53ef\u63a7\u70ed\u89e3\u7b56\u7565\uff0c\u5408\u6210\u4e86\u4e00\u79cd\u65b0\u578b\u539f\u5b50\u5206\u6563\u7684Co-Ni\u53cc\u91d1\u5c5e\u4f4d\u70b9\u6750\u6599\uff0c\u7531N\u63ba\u6742\u7a7a\u5fc3\u78b3\u7eb3\u7c73\u7b3c(CoNi-SA\/NC)\u652f\u6491\uff0c\u7528\u4e8eORR(\u8be6\u89c1\u56fe1M-P<\/b><\/strong>)\u3002\u672c\u6587\u8fd8\u7cfb\u7edf\u603b\u7ed3\u4e86\u78b3\u7eb3\u7c73\u7b3c\u5728\u7535\u50ac\u5316\u80fd\u91cf\u8f6c\u5316\u4e2d\u7684\u5e94\u7528(\u5305\u62ec\u71c3\u6599\u7535\u6c60\u3001\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u3001\u6c34\u7535\u89e3\u5236\u6c22\u3001\u7535\u50ac\u5316\u4e8c\u6c27\u5316\u78b3\u8f6c\u5316\u7b49)\u3002\u6beb\u65e0\u7591\u95ee\uff0c\u5728\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u6838\u5fc3\u7ec4\u5206\u7535\u50ac\u5316\u4f53\u7cfb\u4e2d\uff0c\u78b3\u6750\u6599\u4f5c\u4e3a\u5bfc\u7535\u8f7d\u4f53\u6216\u7a33\u5b9a\u91d1\u5c5e\u7ec4\u5206\u7684\u8f7d\u4f53\u800c\u53d1\u5c55\u8d77\u6765\u3002\u7136\u800c\uff0c\u78b3\u8f7d\u4f53\u7684\u7eb3\u7c73\u7ed3\u6784(\u5305\u62ec\u5b54\u9699\u7ed3\u6784)\u5728\u91d1\u5c5e\u50ac\u5316\u5242\u4e2d\u8d77\u7740\u975e\u5e38\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5355\u539f\u5b50\u91d1\u5c5e\u50ac\u5316\u5242(\u5982Fe-N-C)\uff0c\u78b3\u672c\u8eab\u5c31\u662f\u50ac\u5316\u5242\u7684\u4e00\u90e8\u5206\u3002\u78b3\u7eb3\u7c73\u7b3c\u58c1\u4e0a\u7684\u78b3\u539f\u5b50\u7a7a\u4f4d(\u591a\u7a7a\u4f4d)\u662f\u91d1\u5c5e\u539f\u5b50\u951a\u5b9a\u7684\u6700\u4f73\u4f4d\u7f6e\uff0c\u800c\u78b3\u539f\u5b50\u4e0a\u7684\u6c2e\u539f\u5b50\u662f\u91d1\u5c5e\u914d\u4f4d\u7684\u9996\u9009\u4f4d\u7f6e\u3002\u78b3\u7eb3\u7c73\u7b3c\u7684\u591a\u5b54\u548c\u4e2d\u7a7a\u7ed3\u6784\u4e3a\u7535\u50ac\u5316\u5242\u7684\u4f20\u8d28\u548c\u6c14\u4f53\u6269\u6563\u63d0\u4f9b\u4e86\u826f\u597d\u7684\u6761\u4ef6\u3002\u56e0\u6b64\uff0c\u5728\u7535\u5316\u5b66\u9886\u57df\uff0c\u57fa\u4e8e\u78b3\u7eb3\u7c73\u7b3c\u7684\u7535\u50ac\u5316\u5242\u662f\u4e00\u4e2a\u5f88\u6709\u524d\u666f\u548c\u6311\u6218\u6027\u7684\u7814\u7a76\u65b9\u5411\u3002<\/p>\n

     <\/p>\n

      \n
    1. <\/b>\u8d85\u9ad8\u4f4d\u70b9\u5bc6\u5ea6\u5355\u539f\u5b50\u50ac\u5316\u5242<\/b><\/strong><\/li>\n<\/ol>\n

      \u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u662f\u71c3\u6599\u7535\u6c60\u6216\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u4e2d\u7684\u5173\u952e\u53cd\u5e94\uff0c\u7531\u4e8eORR\u53cd\u5e94\u52a8\u529b\u5b66\u8f83\u6162\uff0c\u9700\u8981\u9ad8\u6d3b\u6027\u7535\u50ac\u5316\u5242\u6765\u589e\u5f3a\u53cd\u5e94\u3002\u8d35\u91d1\u5c5e\u57fa\u50ac\u5316\u5242\u5177\u6709\u8f83\u9ad8\u7684ORR\u52a8\u529b\u5b66\u6d3b\u6027\uff0c\u4f46\u7531\u4e8e\u8d44\u6e90\u7a00\u7f3a\u548c\u4ef7\u683c\u6602\u8d35\u963b\u788d\u4e86\u5176\u5b9e\u9645\u5e94\u7528\u3002\u8fd1\u5e74\u6765\uff0c\u8fc7\u6e21\u91d1\u5c5e(\u5982Fe\u548cCo)\u5355\u539f\u5b50\u7535\u50ac\u5316\u5242\u56e0\u5176\u4f18\u5f02\u7684\u50ac\u5316\u6d3b\u6027\u3001\u4f4e\u6210\u672c\u548c\u4f18\u5f02\u7684\u7a33\u5b9a\u6027\u800c\u84ec\u52c3\u53d1\u5c55\u3002\u76ee\u524d\uff0c\u5355\u539f\u5b50\u7535\u50ac\u5316\u5242\u5728ORR\u65b9\u9762\u5df2\u7ecf\u53d6\u5f97\u4e86\u5f88\u5927\u7684\u6210\u5c31\uff0c\u7279\u522b\u662f\u5355\u539f\u5b50\u7535\u50ac\u5316\u5242\u6d3b\u6027\u4f4d\u70b9\u5bc6\u5ea6<\/b><\/strong>\u548cORR\u5185\u5728<\/b><\/strong>\u6d3b\u6027<\/b><\/strong>\u7684\u540c\u6b65\u63d0\u9ad8\u662f\u4e00\u4e2a\u5f88\u6709\u5438\u5f15\u529b\u7684\u8bbe\u8ba1\u601d\u8def(\u8be6\u89c1\u56fe2<\/b><\/strong>)\u3002<\/p>\n

      \u00a0<\/b><\/strong><\/p>\n

      \u00a0\"\"<\/b><\/strong><\/p>\n

      \u56fe2 <\/b><\/strong>\u8d85\u9ad8\u5bc6\u5ea6<\/b><\/strong>SACs\u7684\u7535\u50acORR\u53ca\u76f8\u5173\u7535\u6c60\u6027\u80fd:(A-D) Fe<\/b><\/strong>1<\/b><\/sub><\/strong>\/NSFC\uff0c(D) Fe<\/b><\/strong>1<\/b><\/sub><\/strong>\/NC\uff0c(E\u548cF) Co<\/b><\/strong>1<\/b><\/sub><\/strong>\/C<\/b><\/strong>2<\/b><\/sub><\/strong>N<\/b><\/strong>\u3010<\/b><\/strong>2<\/b><\/strong>\u3011<\/b><\/strong>\u3002<\/b><\/strong><\/p>\n

      \u5355\u539f\u5b50\u94c1\u50ac\u5316\u5242\u5df2\u7ecf\u6210\u4e3a\u4fc3\u8fdbORR\u53cd\u5e94\u7684\u6709\u5438\u5f15\u529b\u7684\u5019\u9009\u50ac\u5316\u5242\uff0c\u4f46\u9ad8\u5bc6\u5ea6\u94c1SACs\u7684\u5408\u6210\u4ecd\u7136\u662f\u4e00\u4e2a\u91cd\u5927\u7684\u6311\u6218\u3002\u6700\u8fd1\uff0cZhou\u901a\u8fc7\u591a\u5c42\u7ea6\u675f\u70ed\u89e3\u7b56\u7565\u8bbe\u8ba1\u4e86N, S, F\u5171\u63ba\u6742\u78b3(NSFC)\u8d1f\u8f7d\u9ad8\u5bc6\u5ea6\u5355\u539f\u5b50Fe\u50ac\u5316\u5242(15.3 wt.% Fe\u4e2d~6\u4e2a\u539f\u5b50nm-2)\uff0c\u8be5\u50ac\u5316\u5242\u5728ORR\u548cZn-air cell\u4e2d\u8868\u73b0\u4f18\u5f02(\u89c1\u56fe1 A~D<\/b><\/strong>)\u3002Fe1\/NSFC\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548ORR\u50ac\u5316\u5242\uff0c\u57280.1 M KOH\u548c0.1 M HClO4\u6eb6\u6db2\u4e2d\u5206\u522b\u8868\u73b0\u51fa0.91\u548c0.82 V (vs. RHE)\u7684\u9ad8\u534a\u6ce2\u7535\u4f4d\u3002S\u3001F\u7b49\u6742\u539f\u5b50\u7684\u63ba\u6742\u53ef\u4ee5\u6539\u53d8Fe1\u6d3b\u6027\u4e2d\u5fc3\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u589e\u5f3a\u5176\u5bf9\u6c27\u4e2d\u95f4\u4f53\u7684\u89e3\u5438\u6027\u80fd\uff0c\u5927\u5927\u63d0\u9ad8Fe1\/NSFC\u7684ORR\u50ac\u5316\u6d3b\u6027\u3002\u6b64\u5916\uff0c\u4f5c\u4e3a\u7a7a\u6c14\u7535\u6781\uff0cFe1\/NSFC\u5728\u950c-\u7a7a\u6c14\u7535\u6c60\u4e2d\u8868\u73b0\u4f18\u5f02\uff0c\u5305\u62ec\u572810 mA cm-2\u65f6\uff0cgZn-1\u7684\u6bd4\u5bb9\u91cf\u4e3a792.1 mAh\uff0c\u5cf0\u503c\u529f\u7387\u5bc6\u5ea6\u4e3a247.7 mW cm-2\uff0c\u5faa\u73af\u5468\u671f\u4e3a240 h\u3002\u672c\u7814\u7a76\u4e3a\u8fdb\u4e00\u6b65\u63a2\u7d22\u9ad8\u8d1f\u8f7d(\u6216\u9ad8\u5bc6\u5ea6)SACs\u7684\u6f5c\u529b\u53ca\u5176\u5728\u7535\u5316\u5b66\u80fd\u91cf\u5668\u4ef6\u548c\u5176\u4ed6\u9886\u57df\u50ac\u5316\u8f6c\u5316\u4e2d\u7684\u5e94\u7528\u63d0\u4f9b\u4e86\u4e00\u4e2a\u591a\u529f\u80fd\u5e73\u53f0\u3002\u6b64\u524d\uff0cWu\u4e5f\u62a5\u9053\u4e86\u4e00\u79cd\u9ad8\u5bc6\u5ea6Fe1\/NC SACs(~4\u4e2a\u539f\u5b50nm-2)\u5728ORR\u548c\u71c3\u6599\u7535\u6c60\u6216\u950c-\u7a7a\u6c14\u7535\u6c60\u4e2d\u7684\u6027\u80fd(\u89c1\u56fe2 E~H<\/b><\/strong>)\u3002\u6700\u8fd1\uff0cLin\u5728\u5171\u8f6d\u6709\u673a\u9aa8\u67b6(C2N)\u4e0a\u901a\u8fc7\u539f\u4f4d\u5171\u8f6d\u548c\u805a\u5408\u5408\u6210\u4e86\u4e00\u79cd\u8d85\u9ad8\u5bc6\u5ea6(~8\u4e2a\u539f\u5b50nm-2, 20.5 wt.% Co)\u5355Co\u539f\u5b50\u50ac\u5316\u5242\uff0c\u53ef\u4f5c\u4e3a\u957f\u6548\u950c-\u7a7a\u6c14\u6d41\u7535\u6c60\u7684\u53cc\u529f\u80fdORR\u548cOER\u7535\u50ac\u5316\u5242(\u89c1\u56fe2 I-L<\/b><\/strong>)\u3002<\/p>\n

       <\/p>\n

      \u7531\u4e8eORR\u6d3b\u6027\u53d7\u52a8\u529b\u5b66<\/b><\/strong>\u548c\u4f20\u8d28\u8fc7\u7a0b<\/b><\/strong>\u63a7\u5236\uff0c\u4e3a\u4e86\u66f4\u597d\u5730\u8fdb\u884c\u8d28\u91cf\u6269\u6563\uff0c\u4f18\u5316\u9ad8\u8f7d\u91cf\uff08\u5373\u9ad8\u5bc6\u5ea6\uff09\u578bORR\u50ac\u5316\u5242\u7684\u5b54\u7ed3\u6784\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u5176\u50ac\u5316\u6d3b\u6027\u3002\u6c27\u6c14\u4ece\u672c\u4f53\u6eb6\u6db2\u5feb\u901f\u8f6c\u79fb\u5230\u6d3b\u6027\u4e2d\u5fc3\u662f\u63d0\u4f9b\u9ad8\u7535\u6d41\u5bc6\u5ea6\u7684\u5173\u952e\u6b65\u9aa4\u3002\u53ef\u4fc3\u8fdb\u591a\u5b54\u50ac\u5316\u5242\u4e2dO2\u4f20\u8d28\u7684\u4e09\u79cd\u7c7b\u578b\u7684\u5b54\u7ed3\u6784\u662f\u5927\u5b54\uff08>50 nm\uff09\u3001\u4e2d\u5b54\uff082-50 nm\uff09\u548c\u5fae\u5b54\uff08<2 nm\uff09\u3002\u6bcf\u79cd\u7c7b\u578b\u7684\u5b54\u90fd\u5177\u6709\u63d0\u9ad8ORR\u6d3b\u6027\u7684\u72ec\u7279\u529f\u80fd\uff1ai\uff09\u8bbe\u8ba1\u5927\u5b54\u4ee5\u786e\u4fdd\u53cd\u5e94\u7269\u5feb\u901f\u901a\u8fc7\u6574\u4e2a\u81f4\u5bc6\u50ac\u5316\u5242\u5c42\uff1bii\uff09\u4e2d\u5b54\u786e\u4fdd\u7535\u89e3\u8d28\u548c\u53cd\u5e94\u7269\u8fdb\u5165\u6df1\u57cb\u5728\u50ac\u5316\u5242\u8868\u9762\u4e0b\u7684\u6d3b\u6027\u4e2d\u5fc3\uff08\u4f8b\u5982FeN4\u6d3b\u6027\u4e2d\u5fc3\uff09\uff1biii\uff09\u5fae\u5b54\u6709\u52a9\u4e8e\u589e\u52a0\u6d3b\u6027\u4e2d\u5fc3\u7684\u6570\u91cf\u548c\u50ac\u5316\u5242\u7684\u603b\u8868\u9762\u79ef\uff08\u89c1\u56fe<\/b><\/strong>3A-F<\/b><\/strong>\uff09\u3002<\/p>\n

       <\/p>\n

      \"\"<\/p>\n

      \u56fe3<\/b><\/strong>\u78b3\u652f\u6491\u8d85\u9ad8\u5bc6\u5ea6\u5355\u539f\u5b50\u50ac\u5316\u5242\uff08S<\/b><\/strong>AC<\/b><\/strong>s\uff09\u7684\u6027\u80fd\u4f18\u5316\uff1a\u5b54\u7ed3\u6784\u6548\u5e94\uff08A<\/b><\/strong>-F<\/b><\/strong>\uff09\u548c\u4f4d\u70b9\u76f8\u4e92\u4f5c\u7528(<\/b><\/strong>G-K)<\/b><\/strong>\u00a0\u3010<\/b><\/strong>3<\/b><\/strong>\u3011<\/b><\/strong>\u3002<\/b><\/strong><\/p>\n

       <\/p>\n

      \u5f53\u5355\u539f\u5b50\u6d3b\u6027\u4e2d\u5fc3\u7684\u5bc6\u5ea6\u589e\u52a0\u5230\u4e00\u5b9a\u7a0b\u5ea6\u65f6\uff0c\u5355\u539f\u5b50\u4e4b\u95f4\u7684\u8ddd\u79bb\u5c06\u53d8\u5f97\u975e\u5e38\u5c0f\uff0c\u76f8\u90bb\u6d3b\u6027\u4e2d\u5fc3\u4e4b\u95f4\u7684\u76f8\u4e92\u4f5c\u7528\u6210\u4e3a\u5f71\u54cd\u672c\u5f81\u6d3b\u6027\u7684\u5173\u952e\u56e0\u7d20\u3002\u76f8\u90bb\u7684\u5355\u539f\u5b50\u6d3b\u6027\u4e2d\u5fc3\u53ef\u4ee5\u76f8\u4e92\u914d\u5408\uff0c\u4ea7\u751f\u4f18\u5316\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u4ece\u800c\u5f71\u54cdSACs\u5728\u591a\u76f8\u50ac\u5316\u4e2d\u7684\u50ac\u5316\u6d3b\u6027\u548c\u50ac\u5316\u8def\u5f84\u3002\u4e5f\u5c31\u662f\u8bf4\u8c03\u6574SACs\u7684\u6d3b\u6027\u4e2d\u5fc3\u5bc6\u5ea6\u53ef\u4ee5\u901a\u8fc7\u534f\u540c\u6548\u5e94\u663e\u8457\u6539\u5584ORR\u7684\u7535\u50ac\u5316\u6027\u80fd\u3002\u57fa\u4e8e\u6b64\uff0cYu\u548cXiao\u6700\u8fd1\u901a\u8fc7\u6574\u5408\u5b9e\u9a8c\u548c\u7406\u8bba\u65b9\u6cd5\uff08\u89c1\u56fe<\/b><\/strong>3<\/b><\/strong>\u00a0G-K<\/b><\/strong>\uff09\uff0c\u7814\u7a76\u5e76\u63ed\u793a\u4e86\u5b64\u7acbFe-N4\u00a0SACs\u7684ORR\u6d3b\u6027\uff080.1 M KOH\u7535\u89e3\u8d28\uff09\u5728\u4e9a\u7eb3\u7c73\u7ea7\u4e0d\u540c\u4f4d\u7f6e\u95f4\u8ddd\u79bb\u4e0b\u589e\u5f3a\u7684\u6839\u6e90\u3002\u901a\u8fc7\u6c34\u51dd\u80f6\u951a\u5b9a\u7b56\u7565\u5728\u63ba\u6c2e\u78b3\u886c\u5e95\u4e0a\u5236\u5907\u5177\u6709\u53ef\u63a7\u5bc6\u5ea6\u548c\u4e0d\u540c\u4f4d\u7f6e\u8ddd\u79bb\uff08dsite\uff09\u7684\u539f\u5b50\u5206\u6563Fe-N4\u4f4d\uff08\u89c1\u56fe3G\uff09\u3002\u5f53dsite\u63a7\u5236\u57280.5~2.6nm\u65f6\uff0c\u5728\u6ca1\u6709\u94c1\u7c07\u6216\u7eb3\u7c73\u9897\u7c92\u7684\u60c5\u51b5\u4e0b\u83b7\u5f97\u6709\u5229\u7684Fe-N4\u7ed3\u6784\uff08\u89c1\u56fe3H\uff09\u3002\u7406\u8bba\u548c\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff0c\u5f53dsite\u5c0f\u4e8e1.2\u00a0nm\u65f6\uff0c\u76f8\u90bbFe-N4\u4f4d\u4e4b\u95f4\u7684\u5f3a\u76f8\u4e92\u4f5c\u7528\u6539\u53d8\u4e86\u7535\u5b50\u7ed3\u6784\uff0c\u63d0\u9ad8\u4e86ORR\u7684\u56fa\u6709\u6d3b\u6027\u3002\u8fd9\u79cd\u4f9d\u8d56\u4e8e\u8ddd\u79bb\u7684\u589e\u5f3a\u6d3b\u6027\u53ef\u4ee5\u4fdd\u6301\u5230dsite\u63a5\u8fd10.7 nm\uff0c\u5f53dsite\u00a0\u8fdb\u4e00\u6b65\u51cf\u5c0f\u65f6\uff0cORR\u6d3b\u6027\u7565\u5fae\u964d\u4f4e\uff08\u89c1\u56fe3\u00a0I-K\uff09\u3002\u672c\u7814\u7a76\u8be6\u7ec6\u6d4b\u5b9a\u4e86\u5355\u4e2a\u6d3b\u6027\u4e2d\u5fc3\u7684\u52a8\u529b\u5b66\u884c\u4e3a\u548c\u76f8\u90bb\u5355\u4e2a\u91d1\u5c5e\u539f\u5b50\u7684\u4f4d\u8ddd\u6548\u5e94\uff0c\u8fd9\u4e3a\u8fdb\u4e00\u6b65\u4e86\u89e3\u78b3\u652f\u6491SACs\u7684\u56fa\u6709\u50ac\u5316\u884c\u4e3a\u63d0\u4f9b\u4e86\u91cd\u8981\u673a\u4f1a\u3002\u7406\u89e3Fe-N4\u50ac\u5316\u5242\u7684\u4f4d\u8ddd\u6548\u5e94\u5bf9ORR\u673a\u7406\u5177\u6709\u91cd\u8981\u610f\u4e49\uff0c\u8fd9\u6709\u52a9\u4e8e\u5b9e\u73b0ORR\u7535\u50ac\u5316\u4e2d\u9ad8\u8f7d\u91cf\uff08\u5373\u9ad8\u5bc6\u5ea6\uff09SACs\u7684\u5168\u90e8\u6f5c\u529b\u3002<\/p>\n

       <\/p>\n

        \n
      1. 3<\/b><\/strong>.<\/b><\/strong><\/b>\u53cc\u91d1\u5c5e\u5355\u539f\u5b50\uff08\u6216\u53cc\u539f\u5b50\uff09\u50ac\u5316\u5242\u548c\u539f\u5b50\u7c07\u50ac\u5316\u5242<\/b><\/strong><\/li>\n<\/ol>\n

        \u00a0<\/b><\/strong><\/p>\n

        \u5177\u6709\u539f\u5b50\u5206\u6563\u91d1\u5c5e\u4f4d\uff08M-N4\uff09\u7684\u91d1\u5c5e\u6c2e\u78b3\uff08M-N-C\uff09SACs\uff08\u5982Fe-N-C\u548cCo-N-C\uff09\u5177\u6709\u975e\u5e38\u9ad8\u7684\u539f\u5b50\u5229\u7528\u6548\u7387\u548c\u53ef\u89c2\u7684ORR\u6027\u80fd\u3002\u7136\u800c\uff0c\u5728ORR\u8fc7\u7a0b\u4e2d\uff0cO-O\u952e\u89e3\u79bb\u53d7\u5230O2\u5728\u5355\u4e00\u91d1\u5c5e\u4f4d\u7f6e\u4e0a\u7684\u5438\u9644\u6a21\u5f0f\uff08\u4fa7\u6a21\u5f0f\u6216\u7aef\u6a21\u5f0f\uff09\u7684\u9650\u5236\uff0c\u8fd9\u4e0d\u5229\u4e8e\u5176\u76f4\u63a5\u56db\u7535\u5b50\u8f6c\u79fb\u8fc7\u7a0b\u3002\u8fd1\u5e74\u6765\uff0c\u4e00\u4e9b\u5177\u6709\u6210\u5bf9\u6d3b\u6027\u4e2d\u5fc3\u7684\u8fc7\u6e21\u91d1\u5c5e\u53cc\u539f\u5b50\u50ac\u5316\u5242\uff08DAC\uff09\uff08\u4f8b\u5982\uff0c\u540c\u6838Fe-Fe\u6216Co-Co\u548c\u5f02\u6838Fe-Co-DAC\uff09\u6bd4SAC\u5177\u6709\u66f4\u5f3a\u7684O2\u5438\u9644\u80fd\u529b\uff0c\u53ef\u6709\u6548\u964d\u4f4eO-O\u952e\u7684\u80fd\u5792\uff0c\u5177\u6709\u66f4\u9ad8\u7684ORR\u6d3b\u6027\u548c\u5bf9\u56db\u7535\u5b50\u673a\u5236\u7684\u66f4\u9ad8\u9009\u62e9\u6027\uff08\u89c1\u56fe<\/b><\/strong>4<\/b><\/strong>\uff09\u3002\u56e0\u6b64\uff0c\u63a2\u7d22\u9ad8\u8f7d\u91cf\uff08\u5373\u9ad8\u5bc6\u5ea6\uff09\u7684M1M2Nx\u53cc\u539f\u5b50\u4f4d\u7f6e\u5c06\u662f\u4f18\u5316ORR\u50ac\u5316\u8def\u5f84\u548c\u53cd\u5e94\u52a8\u529b\u5b66\u7684\u53e6\u4e00\u4e2a\u6709\u6548\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u539f\u5b50\u7ea7ORR\u7535\u50ac\u5316\u5242\u7684\u50ac\u5316\u6548\u7387\u548c\u4e30\u5bcc\u5176\u5185\u6db5\u3002<\/p>\n

         <\/p>\n

        \"\"<\/p>\n

        \u56fe<\/b><\/strong>4<\/b><\/strong>\u00a0<\/b><\/strong>\u78b3\u652f\u6491\u9ad8\u5bc6\u5ea6\u53cc\u539f\u5b50\u50ac\u5316\u5242\uff08<\/b><\/strong>DAC<\/b><\/strong>s\uff09\u7684\u6027\u80fd\u4f18\u5316<\/b><\/strong>\u3010<\/b><\/strong>3<\/b><\/strong>\u3011<\/b><\/strong>\u3002<\/b><\/strong><\/p>\n

         <\/p>\n

        \u5c06\u5b64\u7acb\u7684\u91d1\u5c5e\u539f\u5b50\u5206\u6563\u5728\u78b3\u8f7d\u4f53\u4e0a\u7684SACs\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u91d1\u5c5e\u539f\u5b50\u5728\u4e0d\u9971\u548c\u914d\u4f4d\u73af\u5883\u4e2d\u7684\u5229\u7528\u6548\u7387\uff0c\u5e76\u5728\u5b9e\u73b0\u5404\u79cd\u53cd\u5e94\u7684\u9ad8\u6027\u80fd\u65b9\u9762\u5177\u6709\u5de8\u5927\u6f5c\u529b\u3002\u7136\u800c\uff0cSACs\u4e2d\u7684\u5b64\u7acb\u548c\u5355\u4e00\u6d3b\u6027\u4f4d\u70b9\u53ef\u80fd\u5e26\u6765\u5355\u4e00\u6d3b\u6027\u539f\u5b50\u65e0\u6cd5\u9a71\u52a8\u50ac\u5316\u8fc7\u7a0b\u4ee5\u5b9e\u73b0\u9700\u8981\u8fde\u7eed\u6d3b\u6027\u4f4d\u70b9\u7684\u53cd\u5e94\u7684\u9884\u671f\u7ed3\u679c\u7684\u98ce\u9669\u3002\u5982\u4e0a\u6240\u8ff0\uff0c\u8bbe\u8ba1\u78b3\u8f7d\u4f53\u652f\u6491\u9ad8\u5bc6\u5ea6SAC\u6216DAC\u53ef\u4ee5\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u89e3\u51b3\u8fd9\u4e00\u95ee\u9898\u3002\u6b64\u5916\uff0c\u5177\u6709\u8d85\u5c0f\u7c92\u5f84\uff08<1.0 nm\uff09\u548c\u53ef\u63a7\u5c3a\u5bf8\uff08\u5982\u5355\u5c42\u7c07\u6216\u591a\u5c42\u7c07\uff09\u7684\u5355\u4e00\u539f\u5b50\u7c07\u50ac\u5316\u5242\uff08SCC\uff09\u5728\u7a20\u5bc6\u539f\u5b50\u548c\u76f8\u90bb\u6d3b\u6027\u4e2d\u5fc3\u4e4b\u95f4\u5177\u6709\u72ec\u7279\u7684\u7535\u5b50\u72b6\u6001\uff0c\u8fd9\u53ef\u4ee5\u6bd4\u4f4e\u5bc6\u5ea6SAC\u8868\u73b0\u51fa\u66f4\u597d\u7684\u7535\u50ac\u5316\u6027\u80fd\uff08\u89c1\u56fe<\/b><\/strong>5<\/b><\/strong>\uff09\u3002\u5bf9\u4e8eORR\u7535\u50ac\u5316\uff0c\u968f\u7740SCC\u4e2d\u539f\u5b50\u6570\u7684\u589e\u52a0\uff0cO2\u5728\u50ac\u5316\u4e2d\u5fc3\u7684\u5438\u9644\u6a21\u5f0f\u53ef\u4ee5\u4ece\u8d85\u6c27\u5438\u9644\u8f6c\u53d8\u4e3a\u8fc7\u6c27\u5438\u9644\uff0c\u8fd9\u4e3aORR\u63d0\u4f9b\u4e86\u9ad8\u50ac\u5316\u6548\u7387\u3002<\/p>\n

         <\/p>\n

        \"\"<\/p>\n

        \u56fe5<\/b><\/strong>\u00a0\u78b3\u652f\u6491\u9ad8\u5bc6\u5ea6\u5355\u7c07\u50ac\u5316\u5242\uff08<\/b><\/strong>SCC<\/b><\/strong>s\uff09\u7684\u6027\u80fd\u4f18\u5316<\/b><\/strong>\u3010<\/b><\/strong>3<\/b><\/strong>\u3011<\/b><\/strong>\u3002<\/b><\/strong><\/p>\n

        \u00a0<\/b><\/strong><\/p>\n

        4<\/b><\/strong>.\u5355\u539f\u5b50\u529f\u80fd\u5316\u6c14\u51dd\u80f6\u50ac\u5316\u5242<\/b><\/strong><\/p>\n

        \u5f00\u53d1\u9ad8\u6548\u3001\u4e00\u4f53\u5316\u7684\u78b3\u6c14\u51dd\u80f6\uff08\u4f8b\u5982\u77f3\u58a8\u70ef\u6c14\u51dd\u80f6\u548c\u78b3\u7eb3\u7c73\u7ba1\u6c14\u51dd\u80f6\uff09<\/b><\/strong>\u57fa\u7535\u5316\u5b66O<\/b><\/strong>RR<\/b><\/strong>\u7535<\/b><\/strong>\u50ac\u5316\u8f6c\u5316\u6280\u672f<\/b><\/strong>\u662f\u89e3\u51b3\u5b9e\u9645\u5e94\u7528\u548c\u6279\u91cf\u5316\u8bbe\u8ba1\u7684\u5173\u952e\u4e00\u6b65\u3002\u76ee\u524d\uff0c\u6c14\u51dd\u80f6\u6750\u6599<\/b><\/strong>\u5728\u71c3\u6599\u7535\u6c60\u3001\u91d1\u5c5e-\u7a7a\u6c14\u7535\u6c60\u7b49\u4f5c\u4e3a\u6e05\u6d01\u80fd\u6e90\u8f6c\u6362\u88c5\u7f6e\u6216\u7cfb\u7edf\u5df2\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u5bf9\u4e8e\u8f7d\u4f53\u7ea7AAMs (\u89c1\u56fe<\/b><\/strong>6\u4e0a\u5de6)\uff0c\u6027\u80fd\u4f18\u5316\u7b56\u7565\u548c\u6750\u6599\u8bbe\u8ba1\u5efa\u8bae\u5305\u62ec:(1)\u4f18\u5316\u6c14\u51dd\u80f6\u8f7d\u4f53\u7684\u591a\u5b54\u7ed3\u6784\uff0c\u4ee5\u63d0\u9ad8\u4f53\u79ef\u6bd4\u6d3b\u6027\u548c\u4f20\u8d28\u52a8\u529b\u5b66;(2)\u63d0\u9ad8\u6c14\u51dd\u80f6\u8f7d\u4f53\u4e0a\u91d1\u5c5e\u5355\u539f\u5b50\u7684\u6d3b\u6027\u4f4d\u5bc6\u5ea6\uff0c\u589e\u5f3a\u8d85\u9ad8\u5bc6\u5ea6\u534f\u540c\u50ac\u5316\u6548\u5e94;(3)\u8bbe\u8ba1\u7279\u5b9a\u5f62\u72b6\u7684\u5757\u4f53\u6c14\u51dd\u80f6\u6750\u6599\uff0c\u5f00\u53d1\u4e0e\u53cd\u5e94\u5668\u76f8\u5339\u914d\u7684\u5355\u539f\u5b50\u6c14\u51dd\u80f6\u4ea7\u54c1\u3002\u7535\u50ac\u5316\u6c27\u8fd8\u539f\u53cd\u5e94(ORR):\u4ee5Te\u7eb3\u7c73\u7ebf\u4e3a\u6a21\u677f\uff0c\u901a\u8fc7\u7b80\u5355\u7684\u6c34\u70ed\u5408\u6210\u548c\u9000\u706b\u5de5\u827a\u5373\u53ef\u5408\u6210Fe-N\u63ba\u6742\u78b3\u7eb3\u7c73\u7ba1\u3002\u8fd9\u79cd\u5355\u539f\u5b50Fe\u529f\u80fd\u5316\u7684\u4e09\u7ef4\u78b3\u7eb3\u7c73\u7ba1\u6c14\u51dd\u80f6<\/b><\/strong>\u7531\u4e8e\u5176\u9ad8\u6bd4\u8868\u9762\u79ef\u3001\u9ad8\u5b54\u4f53\u79ef\u548c\u4e2d\u7a7a\u7684\u7eb3\u7c73\u7ba1\u7ed3\u6784 (\u89c1\u56fe<\/b><\/strong>6\u4e0b)\uff0c\u5728\u78b1\u6027\u6eb6\u6db2\u4e2d\u5bf9\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u8868\u73b0\u51fa\u66f4\u597d\u7684\u7535\u50ac\u5316\u6027\u80fd(\u9ad8\u6d3b\u6027\u548c\u8d85\u9ad8\u7a33\u5b9a\u6027)\u3002Pt1\/CuSx\u539f\u5b50\u6c14\u51dd\u80f6\u7c89\u672b\u6750\u6599\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\u4e5f\u8868\u73b0\u51fa\u4f18\u5f02\u7684ORR\u7535\u50ac\u5316\u6027\u80fd(\u8fd8\u539fO2\u4e3aH2O2\u7684\u9009\u62e9\u6027\u9ad8\u8fbe92%)\uff0c\u5176\u4e2d\u9ad8\u5171\u4ef7Pt-S\u952e\u5728\u5b9e\u73b0\u9ad8\u5bc6\u5ea6\u5355Pt\u4f4d\u70b9\u548c\u63d0\u9ad8H2O2\u7535\u5408\u6210\u6548\u7387\u65b9\u9762\u53d1\u6325\u4e86\u5173\u952e\u4f5c\u7528\u3002\u6c14\u51dd\u80f6\u57faSACs(\u5982\u4e09\u7ef4\u77f3\u58a8\u70ef\u6c14\u51dd\u80f6\u652f\u6491\u7684SACs)\u7684\u8fd9\u4e9b\u591a\u5b54\u4f18\u52bf\u662f\u666e\u901a\u7c89\u672b\u57faSACs(\u5982\u70ad\u9ed1\u9897\u7c92\u652f\u6491\u7684SACs)\u6240\u65e0\u6cd5\u8fbe\u5230\u7684\u3002\u4e0e\u7c89\u672b\u57fa\u6750\u6599\u76f8\u6bd4\uff0c\u5177\u6709\u4e30\u5bcc\u5fae\u7c73\u7ea7\u5b54\u9699\u7684\u5b8f\u89c2\u67d4\u6027\u78b3\u57fa\u6c14\u51dd\u80f6\u901a\u5e38\u53ef\u4ee5\u8d4b\u4e88\u6750\u6599\u51fa\u8272\u7684\u7ed3\u6784\u7ba1\u7406\u6027(\u4f8b\u5982\uff0c\u53ef\u6062\u590d\u6027\u3001\u53ef\u538b\u7f29\u6027\u548c\u53ef\u5f2f\u66f2\u6027\u7b49)\u3002<\/p>\n

         <\/p>\n

        \"\"<\/p>\n

        \u56fe6<\/b><\/strong>\u00a0\u5355\u539f\u5b50\u529f\u80fd\u5316\u6c14\u51dd\u80f6O<\/b><\/strong>RR<\/b><\/strong>\u7535\u50ac\u5316\u5242<\/b><\/strong>\u3010<\/b><\/strong>4<\/b><\/strong>\u3011<\/b><\/strong><\/p>\n

         <\/p>\n

          \n
        1. <\/b>\u7ed3\u8bba\u548c\u5c55\u671b <\/b><\/strong><\/li>\n<\/ol>\n

          \u9ad8\u5bc6\u5ea6\u539f\u5b50\u5206\u6563\u91d1\u5c5e\u50ac\u5316\u5242\uff08\u5305\u62ecSACs\u3001DACs\u6216SCCs\uff09\u7531\u4e8e\u5bc6\u96c6\u539f\u5b50\u4f4d\u7684\u534f\u540c\u6548\u5e94\uff0c\u901a\u5e38\u6bd4\u7a00\u758f\u91d1\u5c5e\u50ac\u5316\u5242\u8868\u73b0\u51fa\u66f4\u663e\u8457\u7684\u50ac\u5316\u6027\u80fd\u3002\u5177\u6709\u9ad8\u6d3b\u6027\u4e2d\u5fc3\u5bc6\u5ea6\u7684M-N-C\uff08MN4<\/sub>, M\u5305\u62ec\u8fc7\u6e21\u91d1\u5c5e\u548c\u8d35\u91d1\u5c5e\uff09ORR\u50ac\u5316\u5242\u53ef\u4ee5\u901a\u8fc7\u66b4\u9732\u4e0d\u53ef\u63a5\u8fd1\u7684M-N4\u6d3b\u6027\u4e2d\u5fc3\u548c\u52a0\u5f3a\u4f20\u8d28\u6765\u4ea7\u751f\u66f4\u9ad8\u7684\u6d3b\u6027\uff08\u4f8b\u5982\u8bbe\u8ba1\u4ecb\u5b54\u7ed3\u6784\u78b3\u8f7d\u4f53\uff09\u3002\u6b64\u5916\uff0c\u9ad8\u5bc6\u5ea6\u53cc\u91d1\u5c5e\u4e2d\u5fc3\u5206\u6563\u5728N\u63ba\u6742\u78b3\uff08M1<\/sub>M2<\/sub>Nx<\/sub>-DACs\uff09\u4e0a\uff0c\u53ef\u4ee5\u5f62\u6210\u4e0d\u540c\u7684\u76f8\u90bb\u6d3b\u6027\u4e2d\u5fc3\uff0c\u901a\u8fc7\u534f\u540c\u50ac\u5316\u63d0\u9ad8\u50ac\u5316\u5242\u7684\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u53cc\u6d3b\u6027\u4e2d\u5fc3DACs\u7684\u6784\u5efa\u4e3a\u9ad8\u6027\u80fdORR\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u673a\u9047\u3002\u5355\u7c07\u50ac\u5316\u5242\uff08SCCs\uff09\u7684\u5236\u5907\u662f\u8bbe\u8ba1\u5177\u6709\u6539\u8fdb\u50ac\u5316\u6027\u80fd\u7684\u9ad8\u5bc6\u5ea6ORR\u50ac\u5316\u5242\u7684\u91cd\u8981\u8865\u5145\u7b56\u7565\u3002\u9ad8\u91d1\u5c5e\u5bc6\u5ea6\u9ad8\u5ea6\u91d1\u5c5e\u539f\u5b50\u7ed3\u6784\u50ac\u5316\u5242\uff08\u5305\u62ecSACs\u3001DACs\u6216SCCs\uff09\u5728\u52a8\u529b\u5b66\u533a\u57df\u7684ORR\u6027\u80fd\u4e0ePt\u57fa\u50ac\u5316\u5242\u975e\u5e38\u63a5\u8fd1\uff0c\u4f46\u8fd9\u4e9b\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u4ecd\u7136\u9762\u4e34\u5de8\u5927\u6311\u6218\uff0c\u5c24\u5176\u662f\u5728\u9178\u6027\u6761\u4ef6\u4e0b\u3002\u7531\u4e8e\u5176\u654f\u611f\u7684\u7269\u7406\u548c\u5316\u5b66\u6027\u8d28\uff0c\u7279\u522b\u662f\u5728\u9178\u6027\u73af\u5883\u4e2d\uff0c\u5728\u7684\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u7136\u9762\u4e34\u5de8\u5927\u6311\u6218\u3002\u8fd8\u9700\u8981\u627e\u5230\u66f4\u591a\u5177\u6709\u9ad8\u6d3b\u6027\u3001\u9ad8\u7a33\u5b9a\u6027\u548c\u56db\u7535\u5b50\u9009\u62e9\u6027\u7684\u50ac\u5316\u4f53\u7cfb\u3002\u7279\u522b\u662f\uff0c\u9700\u8981\u63a2\u7d22\u4e00\u4e9b\u53ef\u9760\u7684\u5408\u6210\u7b56\u7565\uff08\u5982\u673a\u68b0\u529b\u5316\u5b66\u548c\u70ed\u8fc1\u79fb\u7b56\u7565\uff09\uff0c\u4ee5\u5b9e\u73b0\u5728\u4e0d\u540c\u8f7d\u4f53\u4e0a\u6279\u91cf\u751f\u4ea7\u5177\u6709\u9ad8\u91d1\u5c5e\u5bc6\u5ea6\u548c\u9ad8\u7a33\u5b9a\u6027\u7684SACs\u3002\u603b\u4e4b\uff0c\u7a7a\u5fc3\u78b3\u7eb3\u7c73\u7b3c\u30101\u3011\u3001\u591a\u5b54\u78b3\u57fa\u6c14\u51dd\u80f6\u30104\u3011\u53ef\u4ee5\u4f5c\u4e3a\u9ad8\u6027\u80fdORR\u7535\u50ac\u5316\u5242\u7684\u6709\u6f5c\u529b\u7684\u8f7d\u4f53\u6750\u6599\uff1b\u91d1\u5c5e\u5355\u539f\u5b50\u7684\u9ad8\u6d3b\u6027\u4f4d\u70b9\u5bc6\u5ea6\u6548\u5e94\u30102\u3011\u548c\u53cc\u91d1\u5c5e\u4f4d\u70b9\uff08\u6216\u539f\u5b50\u7c07\uff09\u30103\u3011\u7684\u534f\u540c\u6548\u5e94\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8ORR\u50ac\u5316\u6027\u80fd\u3002<\/p>\n

           <\/p>\n

          \u53c2\u8003\u6587\u732e<\/b><\/strong>\uff1a<\/b><\/strong><\/p>\n

          \u30101\u3011Li, Z., Li, B., Yu, C., Wang, H., & Li, Q. (2023). Recent Progress of Hollow Carbon Nanocages: General Design Fundamentals and Diversified Electrochemical Applications.\u00a0Advanced Science<\/b><\/strong>, 2206605.<\/p>\n

          \u30102\u3011Li, Z., Li, B., Hu, Y., Liao, X., Yu, H., & Yu, C. (2022). Emerging Ultrahigh\u2010Density Single\u2010Atom Catalysts for Versatile Heterogeneous Catalysis Applications: Redefinition, Recent Progress, and Challenges.\u00a0Small Structures<\/b><\/strong>,\u00a03(6), 2200041.<\/p>\n

          \u30103\u3011Li, Z., Li, B., Hu, Y., Wang, S., & Yu, C. (2022). Highly-dispersed and high-metal-density electrocatalysts on carbon supports for the oxygen reduction reaction: from nanoparticles to atomic-level architectures.\u00a0Materials Advances<\/b><\/strong>,\u00a03(2), 779-809.<\/p>\n

          \u30104\u3011Li, Z., Li, B., & Yu, C. (2023). Atomic Aerogel Materials (or single atom aerogels): an Interesting New Paradigm in Materials Science and Catalysis Science.\u00a0Advanced Materials<\/b><\/strong>, 2211221.<\/p>\n

           <\/p>\n

          \u672c\u6587\u7531\u4f5c\u8005\u6295\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u524d\u8a00\uff1a\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u662f\u71c3\u6599\u7535\u6c60\u548c\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u7b49\u65b0\u578b\u80fd\u91cf\u5b58\u50a8\u548c\u8f6c\u6362\u7cfb\u7edf\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e24\u4e2a\u534a\u53cd\u5e94\u4e4b\u4e00\u3002\u7136\u800c\uff0cORR\u7684\u7535\u5b50\u4f20\u9012\u591a\u6b65\u4e14\u901f\u5ea6\u6162\uff0c\u4f20\u8d28\u6548\u7387\u4f4e\uff0c\u5bfc\u81f4\u5176\u52a8\u529b…<\/p>\n","protected":false},"author":41672,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-246958","post","type-post","status-publish","format-standard","hentry","category-keji"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/246958"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/41672"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=246958"}],"version-history":[{"count":1,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/246958\/revisions"}],"predecessor-version":[{"id":246965,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/246958\/revisions\/246965"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=246958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=246958"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=246958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}