{"id":151496,"date":"2018-08-21T08:00:58","date_gmt":"2018-08-21T00:00:58","guid":{"rendered":"\/\/m.iemloyee.com\/?p=151496"},"modified":"2018-08-20T21:05:35","modified_gmt":"2018-08-20T13:05:35","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7%e6%9b%be%e6%9d%b0%e6%95%99%e6%8e%88adv-mater-%ef%bc%9a%e9%92%8c%e5%8d%95%e5%8e%9f%e5%ad%90%e5%82%ac%e5%8c%96%e5%89%82%e5%ae%9e%e7%8e%b0%e9%ab%98%e6%95%88%e7%94%b5%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=151496","title":{"rendered":"\u4e2d\u79d1\u5927\u66fe\u6770\u6559\u6388Adv. Mater.\uff1a\u948c\u5355\u539f\u5b50\u50ac\u5316\u5242\u5b9e\u73b0\u9ad8\u6548\u7535\u5316\u5b66\u56fa\u6c2e"},"content":{"rendered":"

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

\n \u6c2e\u662f\u690d\u7269\u548c\u52a8\u7269\u4e2d\u86cb\u767d\u8d28\u3001\u6838\u82f7\u9178\u7b49\u751f\u7269\u5206\u5b50\u7684\u91cd\u8981\u7ec4\u6210\u5143\u7d20\u3002\u5c3d\u7ba1\u6c2e\u6c14\u5206\u5b50(N2<\/sub>)\u662f\u7a7a\u6c14\u7684\u4e3b\u8981\u6210\u5206\uff0c\u4f46\u7531\u4e8eN\u2261N\u9ad8\u5ea6\u7a33\u5b9a\uff0c\u952e\u80fd\u8f83\u9ad8(940.95 kJ\u00b7mol-1<\/sup>)\uff0c\u96be\u4ee5\u6d3b\u5316\u3002\u76ee\u524d\uff0c\u5728\u5de5\u4e1a\u4e0a\u901a\u8fc7\u54c8\u4f2f\u6cd5\u5408\u6210NH3<\/sub>\u9700\u8981\u9ad8\u6e29\u9ad8\u538b(150-350 atm, 350-550 o<\/sup>C)\u7684\u6761\u4ef6\u6d3b\u5316N2<\/sub>\u3002\u8fd9\u79cd\u82db\u523b\u7684\u6761\u4ef6\u6bcf\u5e74\u9700\u8981\u6d88\u8017\u5168\u4e16\u754c1-2%\u7684\u80fd\u6e90\u4f9b\u5e94\u3002\u6b64\u5916\uff0c\u54c8\u4f2f\u6cd5\u5408\u6210NH3<\/sub>\u9700\u8981\u6c22\u6c14\u4f5c\u4e3a\u539f\u6599\u4e4b\u4e00\uff0c\u800c\u6c22\u6c14\u4e3b\u8981\u6765\u6e90\u4e8e\u5929\u7136\u6c14\u7684\u84b8\u6c7d\u91cd\u6574\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4f1a\u6392\u653e\u5927\u91cf\u7684CO2<\/sub>\u3002\u8003\u8651\u5230\u5316\u77f3\u71c3\u6599\u7684\u77ed\u7f3a\u548c\u5168\u7403\u6c14\u5019\u7684\u53d8\u5316\uff0c\u63a2\u7d22\u5728\u6e29\u548c\u6761\u4ef6\u4e0b\u5408\u6210NH3<\/sub>\u7684\u50ac\u5316\u53cd\u5e94\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u8fd1\u5e74\u6765\uff0c\u79d1\u5b66\u5de5\u4f5c\u8005\u81f4\u529b\u4e8e\u901a\u8fc7\u751f\u7269\u56fa\u6c2e\u9176\u3001\u5149\u50ac\u5316\u548c\u7535\u50ac\u5316\u7684\u65b9\u6cd5\u5c06N2<\/sub>\u8f6c\u5316\u4e3aNH3<\/sub>\uff0c\u5176\u4e2d\uff0c\u7535\u5316\u5b66\u8fd8\u539fN2<\/sub>\u5408\u6210NH3<\/sub>\u53cd\u5e94\u7531\u4e8e\u53ef\u9009\u62e9\u5929\u7136\u6c34\u8d44\u6e90\u4f5c\u4e3a\u6c22\u6765\u6e90\uff0c\u4e14\u53cd\u5e94\u53ef\u901a\u8fc7\u504f\u538b\u53ef\u63a7\u5f15\u8d77\u4e86\u5e7f\u6cdb\u7684\u5173\u6ce8\u3002\u7814\u53d1\u80fd\u591f\u9ad8\u6548\u7535\u5316\u5b66\u8fd8\u539fN2<\/sub>\u5408\u6210NH3<\/sub>\u7684\u7535\u50ac\u5316\u5242\u662f\u4e00\u9879\u975e\u5e38\u6709\u6311\u6218\u6027\u7684\u4efb\u52a1\u3002<\/p>\n

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

\n \u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u66fe\u6770\u6559\u6388(\u901a\u8baf\u4f5c\u8005)\u8bfe\u9898\u7ec4\u548c\u4e2d\u79d1\u9662\u4e0a\u6d77\u5e94\u7528\u7269\u7406\u7814\u7a76\u6240\u53f8\u9510\u6559\u6388(\u901a\u8baf\u4f5c\u8005)\u5408\u4f5c<\/strong>\u5728Adv. Mater.<\/strong> \u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cAchieving a Record-High Yield Rate of 120.9 \u03bcgNH3<\/sub> mg<\/strong>cat.<\/strong><\/sub>-1<\/sup>\u00a0h-1<\/sup> for N2<\/sub> Electrochemical Reduction over Ru Single-atom Catalysts<\/strong>\u201d \u7684\u6587\u7ae0\u3002\u7814\u7a76\u56e2\u961f\u9009\u62e9\u91d1\u5c5e\u6709\u673a\u6846\u67b6\u6750\u6599(ZIF-8)\u4e3a\u57fa\u4f53\uff0c\u5728\u5176\u53cd\u5e94\u5236\u5907\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u948c\u57fa\u5316\u5408\u7269\uff0c\u7136\u540e\u901a\u8fc7\u9ad8\u6e29\u7145\u70e7\u6700\u7ec8\u5f97\u5230\u9ad8\u5ea6\u5206\u6563\u7684N\u914d\u4f4d\u948c\u5355\u539f\u5b50\u50ac\u5316\u5242(Ru SAs\/N-C)\u3002\u5c06\u5176\u4f5c\u4e3a\u50ac\u5316\u5242\u5e94\u7528\u4e8eN2<\/sub>\u7535\u5316\u5b66\u8fd8\u539f\u53cd\u5e94\u4e2d\uff0c\u5728-0.2 V vs RHE\u7684\u7535\u538b\u4e0b\uff0cN2<\/sub>\u88ab\u9ad8\u6548\u7535\u5316\u5b66\u50ac\u5316\u8fd8\u539f\u6210NH3<\/sub>\uff0c\u5176\u6cd5\u62c9\u7b2c\u6548\u7387\u8fbe\u523029.6%\uff0c\u6709\u6548\u7535\u6d41\u5bc6\u5ea6\u8fbe\u5230-0.13 mA\u00b7cm-2<\/sup>\uff0c\u4ea7\u6c28\u901f\u7387\u9ad8\u8fbe120.9 \u03bcgNH3<\/sub> mgcat.<\/sub>-1<\/sup> h-1<\/sup><\/strong>\uff0c\u6bd4\u76ee\u524d\u6587\u732e\u62a5\u9053\u7684\u6700\u9ad8\u503c\u9ad8\u4e00\u4e2a\u6570\u91cf\u7ea7<\/strong>\u3002\u5b9e\u9a8c\u548c\u7406\u8bba\u8ba1\u7b97\u7814\u7a76\u8fdb\u4e00\u6b65\u63ed\u793a\u51faN\u914d\u4f4d\u948c\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u9ad8\u6548\u50ac\u5316\u6027\u80fd\u4e3b\u8981\u6765\u6e90\u4e8e\u5355\u539f\u5b50\u50ac\u5316\u5242\u5bf9N2<\/sub>\u5206\u5b50\u7684\u9ad8\u6548\u89e3\u79bb\u3002\u8be5\u8bba\u6587\u7684\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u662f\u7279\u4efb\u526f\u7814\u7a76\u5458\u803f\u5fd7\u521a\u548c\u535a\u58eb\u751f\u5218\u5f66\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong>
\n \u56fe1 Ru SAs\/N-C\u6750\u6599\u5236\u5907\u53ca\u5176\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a) Ru SAs\/N-C\u6750\u6599\u5236\u5907\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\uff1b
\n b) Ru SAs\/N-C\u6750\u6599\u7684SEM\u56fe\u50cf\uff1b
\n c,d) Ru SAs\/N-C\u6750\u6599\u7684TEM\u56fe\u50cf\uff1b
\n e,f) Ru SAs\/N-C\u6750\u6599\u7684HAADF-STEM\u56fe\u50cf\uff1b
\n g) Ru SAs\/N-C\u6750\u6599\u7684\u5143\u7d20\u5206\u5e03\u56fe\u50cf\u3002<\/p>\n

\u56fe2 Ru SAs\/N-C\u6750\u6599\u7684\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a) Ru SAs\/N-C\u548cRu NPs\/N-C\u7684XRD\u56fe\u8c31\uff1b
\n b) Ru SAs\/N-C\u548cRu NPs\/N-C\u7684N 1s XPS\u5149\u8c31\uff1b
\n c) Ru SAs\/N-C\u548cRu NPs\/N-C\u7684Ru 3p3\/2<\/sub> XPS\u5149\u8c31\uff1b
\n d) Ru SAs\/N-C\u3001Ru NPs\/N-C\u3001RuO2<\/sub>\u3001Ru(acac)3<\/sub>\u548cRu\u7b94\u7684Ru K\u8fb9XANES\u5149\u8c31\uff1b
\n e) Ru SAs\/N-C\u3001Ru NPs\/N-C\u3001RuO2<\/sub>\u3001Ru(acac)3<\/sub>\u548cRu\u7b94\u7684EXAFS\u5149\u8c31\uff1b
\n f) Ru SAs\/N-C\u7684EXAFS\u62df\u5408\u66f2\u7ebf\u3002<\/p>\n

\u56fe3 Ru SAs\/N-C\u6750\u6599\u7684\u7535\u50ac\u5316\u56fa\u6c2e\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a) \u4ea7\u751fNH3<\/sub>\u7684\u7535\u6d41\u5bc6\u5ea6\uff1b
\n b) Ru SAs\/N-C\u548cRu NPs\/N-C\u5728\u4e0d\u540c\u5916\u52a0\u7535\u52bf\u4e0b\u7684FE\uff1b
\n c) Ru SAs\/N-C\u548cRu NPs\/N-C\u5728\u4e0d\u540c\u5916\u52a0\u7535\u52bf\u4e0b\u7684NH3<\/sub>\u4ea7\u7387\uff1b
\n d) \u5728-0.2V\u65f6(\u76f8\u5bf9\u4e8eNHE)\uff0cRu SAs\/N-C\u7535\u5316\u5b66\u56fa\u6c2e\u768412 h\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002<\/p>\n

\u56fe4 \u7406\u8bba\u8ba1\u7b97\u4e0e\u673a\u7406\u89e3\u91ca<\/strong><\/p>\n

\"\"<\/p>\n

a) Ru SAs\/N-C\u548cRu NPs\/N-C\u7684N2<\/sub>-TPD\u66f2\u7ebf\uff1b
\n b) Ru1<\/sub>-N3<\/sub>\u3001Ru1<\/sub>-N4<\/sub>\u548cRu (101)\u7684\u7535\u5316\u5b66\u56fa\u6c2e\u81ea\u7531\u80fd\u56fe\uff0c*\u4ee3\u8868\u5438\u9644\u4f4d\u70b9\u3002<\/p>\n

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

\n \u603b\u4e4b\uff0c\u7814\u7a76\u56e2\u961f\u4ee5\u91d1\u5c5e\u6709\u673a\u6846\u67b6\u6750\u6599(ZIF-8)\u4e3a\u57fa\u4f53\uff0c\u6784\u7b51\u4e86\u9ad8\u5ea6\u5206\u6563\u7684N\u914d\u4f4d\u948c\u5355\u539f\u5b50\u50ac\u5316\u5242\u4f5c\u4e3a\u9ad8\u6548\u7684N2\u7535\u5316\u5b66\u8fd8\u539f\u50ac\u5316\u5242\u3002\u5728N2<\/sub>\u7535\u5316\u5b66\u8fd8\u539f\u8fc7\u7a0b\u4e2d\uff0c\u948c\u5355\u539f\u5b50\u50ac\u5316\u5242\u5728-0.2 V vs RHE\u7684\u7535\u538b\u4e0b\uff0cN2<\/sub>\u88ab\u6709\u6548\u8fd8\u539f\u6210NH3\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\u8fbe\u523029.6%\uff0c\u6709\u6548\u7535\u6d41\u5bc6\u5ea6\u8fbe\u5230-0.13 mA\u00b7cm-2<\/sup>\uff0c\u4ea7\u6c28\u901f\u7387\u9ad8\u8fbe120.9 \u03bcgNH3<\/sub> mgcat.<\/sub>-1<\/sup> h-1<\/sup>\uff0c\u6bd4\u76ee\u524d\u6587\u732e\u62a5\u9053\u7684\u6700\u9ad8\u503c\u9ad8\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002\u5b9e\u9a8c\u7ed3\u679c\u548c\u7406\u8bba\u8ba1\u7b97\u7814\u7a76\u8fdb\u4e00\u6b65\u8868\u660e\uff0c\u948c\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u9ad8\u6548\u50ac\u5316\u6027\u80fd\u4e3b\u8981\u6765\u6e90\u4e8e\u5355\u539f\u5b50\u50ac\u5316\u5242\u5bf9N2<\/sub>\u5206\u5b50\u7684\u9ad8\u6548\u89e3\u79bb\u3002\u8be5\u9879\u7814\u7a76\u5de5\u4f5c\u4e0d\u4ec5\u5f00\u8f9f\u4e86\u5355\u539f\u5b50\u50ac\u5316\u5242\u5728\u7535\u5316\u5b66\u5408\u6210NH3<\/sub>\u53cd\u5e94\u4e2d\u7684\u65b0\u9014\u5f84\uff0c\u800c\u4e14\u8fdb\u4e00\u6b65\u63a8\u8fdb\u4e86\u7535\u5316\u5b66\u65b9\u6cd5\u5408\u6210NH3<\/sub>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u53ef\u80fd\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aAchieving a Record-High Yield Rate of 120.9 \u03bcgNH3<\/sub> mgcat.<\/sub>-1<\/sup> h-1<\/sup> for N2<\/sub> Electrochemical Reduction over Ru Single-Atom Catalysts<\/a><\/strong> (Adv. Mater.<\/strong>, 2018, DOI: 10.1002\/adma.201803498)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8abc940504\u3010\u8096\u6770\u3011\u7f16\u8bd1\u6574\u7406\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

\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","protected":false},"excerpt":{"rendered":"

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