{"id":48629,"date":"2023-08-11T08:52:42","date_gmt":"2023-08-11T00:52:42","guid":{"rendered":"https:\/\/www.chemhui.com\/?p=48629"},"modified":"2023-07-25T09:53:32","modified_gmt":"2023-07-25T01:53:32","slug":"%e6%b8%a9%e5%a4%a7-%e5%a4%a9%e5%a4%a7angew%ef%bc%9a%e7%8e%af%e7%b3%8a%e7%b2%be%e8%b4%9f%e8%bd%bd%e7%9a%84cooh2%e5%9b%a2%e7%b0%87%e5%ae%9e%e7%8e%b0%e9%ab%98%e9%80%89%e6%8b%a9%e6%80%a7","status":"publish","type":"post","link":"http:\/\/www.chemhui.com\/%e6%b8%a9%e5%a4%a7-%e5%a4%a9%e5%a4%a7angew%ef%bc%9a%e7%8e%af%e7%b3%8a%e7%b2%be%e8%b4%9f%e8%bd%bd%e7%9a%84cooh2%e5%9b%a2%e7%b0%87%e5%ae%9e%e7%8e%b0%e9%ab%98%e9%80%89%e6%8b%a9%e6%80%a7\/","title":{"rendered":"\u6e29\u5927\/\u5929\u5927\u200bAngew\uff1a\u73af\u7cca\u7cbe\u8d1f\u8f7d\u7684Co(OH)2\u56e2\u7c07\u5b9e\u73b0\u9ad8\u9009\u62e9\u6027\u5408\u6210H2O2"},"content":{"rendered":"
\u8fc7\u6c27\u5316\u6c22(H2<\/sub>O2<\/sub>)\u662f\u4e00\u79cd\u591a\u529f\u80fd\u8bd5\u5242\uff0c\u5728\u5316\u5b66\u5408\u6210\u3001\u533b\u7597\u6d88\u6bd2\u3001\u7eba\u7ec7\u5236\u9020\u7b49\u591a\u4e2a\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u6b64\u5916\uff0c\u5168\u7403H2<\/sub>O2<\/sub>\u5e02\u573a\u4ef7\u503c\u57282022\u5e74\u5df2\u8fbe\u5230\u7ea652\u4ebf\u7f8e\u5143\uff0c\u9884\u8ba1\u672a\u6765\u8fd8\u5c06\u5927\u5e45\u589e\u957f\u3002\u76ee\u524d\uff0c\u5546\u4e1aH2<\/sub>O2<\/sub>\u4e3b\u8981\u91c7\u7528\u6210\u719f\u7684\u84bd\u918c\u6cd5\u751f\u4ea7\uff0c\u5177\u6709\u4ea7\u7387\u9ad8\u3001\u5236\u5907\u89c4\u6a21\u5927\u7b49\u4f18\u70b9\u3002\u7136\u800c\uff0c\u8be5\u65b9\u6cd5\u4e0d\u4ec5\u80fd\u8017\u9ad8\u3001\u5de5\u827a\u590d\u6742\u3001\u6c61\u67d3\u73af\u5883\uff0c\u800c\u4e14\u8fd8\u4f1a\u6d88\u8017\u8fc7\u91cf\u7684\u6c22\u6c14\u548c\u6602\u8d35\u7684\u94af\u57fa\u50ac\u5316\u5242\u3002\u56e0\u6b64\uff0c\u63a2\u7d22\u5728\u7eff\u8272\u6e29\u548c\u6761\u4ef6\u4e0b\u5408\u6210H2<\/sub>O2<\/sub>\u7684\u65b0\u65b9\u6cd5\u6210\u4e3a\u4e00\u4e2a\u91cd\u8981\u7684\u7814\u7a76\u70ed\u70b9\u3002\u5176\u4e2d\uff0c\u7535\u50ac\u5316\u5408\u6210H2<\/sub>O2<\/sub>\u56e0\u5177\u6709\u53cd\u5e94\u6761\u4ef6\u6e29\u548c\u3001\u80fd\u6e90\u53ef\u518d\u751f\u7b49\u4f18\u70b9\u800c\u5907\u53d7\u5173\u6ce8\u3002\u5728\u50ac\u5316\u5242\u7684\u8f85\u52a9\u4e0b\uff0c\u901a\u8fc7\u4e8c\u7535\u5b50\u6c27\u8fd8\u539f\u53cd\u5e94(2e–<\/sup>\u00a0ORR)\u53ef\u4ee5\u5f97\u5230H2<\/sub>O2<\/sub>\u3002\u76ee\u524d\uff0c\u963b\u788d\u8be5\u6280\u672f\u5927\u89c4\u6a21\u5e94\u7528\u7684\u6700\u5927\u969c\u788d\u662f\u7f3a\u4e4f\u9ad8\u6548\u3001\u4f4e\u6210\u672c\u7684\u7535\u50ac\u5316\u5242\u3002<\/section>\n

 <\/p>\n

\u57fa\u4e8e\u6b64\uff0c\u6e29\u5dde\u5927\u5b66\u8bb8\u6770\u3001\u738b\u821c\u548c\u5929\u6d25\u5927\u5b66\u738b\u52c7(\u5171\u540c\u901a\u8baf)\u7b49\u4eba<\/strong>\u91c7\u7528\u6e29\u548c\u3001\u7b80\u4fbf\u7684\u65b9\u6cd5\u5236\u5907\u4e86\u65b0\u578b\u73af\u7cca\u7cbe\u8d1f\u8f7d\u7684Co(OH)2<\/sub>\u56e2\u7c07\u50ac\u5316\u5242\uff0c\u8be5\u50ac\u5316\u5242\u4e0d\u8d1f\u4f17\u671b\u7684\u5c55\u73b0\u51fa\u4e86\u4f18\u5f02\u7684\u50ac\u5316\u6027\u80fd\u3002<\/section>\n
\"1\"<\/section>\n
\u4e3a\u4e86\u66f4\u597d\u5730\u8bc4\u4ef7Co-SCD(\u73af\u7cca\u7cbe)\u57fa\u50ac\u5316\u5242\u76842e–<\/sup>\u00a0ORR\u50ac\u5316\u6d3b\u6027\uff0c\u672c\u6587\u5728\u6c27\u9971\u548c\u76840.1 M KOH\u4e2d\uff0c\u5229\u7528\u4e09\u7535\u6781\u4f53\u7cfb\u5bf9\u50ac\u5316\u5242\u8fdb\u884c\u4e86\u7535\u5316\u5b66\u6d4b\u8bd5\u3002\u5177\u4f53\u800c\u8a00\uff0cCo-SCD-2\u7684\u534a\u6ce2\u7535\u4f4d\u4e3a0.689 VRHE<\/sub>\uff0c\u8d77\u59cb\u7535\u4f4d\u4e3a0.803 VRHE<\/sub>\uff0c\u9ad8\u4e8eCo-SCD-1(0.646 VRHE<\/sub>\u548c0.781 VRHE<\/sub>)\u4ee5\u53caCo-SCD-3(0.645 VRHE<\/sub>\u548c0.757 VRHE<\/sub>)\uff0c\u8fd9\u8868\u660eCo-SCD-2\u57282e–<\/sup>\u00a0ORR\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u50ac\u5316\u6d3b\u6027\u3002\u6b64\u5916\uff0c\u8d28\u91cf\u6d3b\u6027\u548c\u8f6c\u6362\u9891\u7387(TOF)\u4e5f\u662f\u8bc4\u4ef7\u91d1\u5c5e\u57fa\u50ac\u5316\u5242\u50ac\u5316\u6d3b\u6027\u7684\u91cd\u8981\u53c2\u6570\u3002<\/section>\n
Co-SCD-2\u57280.6 V\u65f6\u7684\u8d28\u91cf\u6d3b\u6027\u4e3a31.7 A g-1<\/sup>\uff0c\u663e\u8457\u9ad8\u4e8eCo-SCD-1(21.9 A g-1<\/sup>)\u548cCo-SCD-3 (15.6 A g-1<\/sup>)\u3002\u800c\u4e14Co-SCD-2\u57280.6 V\u65f6\u7684TOF\u4e3a0.044 s-1<\/sup>\uff0c\u4e0eCo-SCD-1(0.057 s-1<\/sup>)\u975e\u5e38\u63a5\u8fd1\uff0c\u4f46\u8fdc\u9ad8\u4e8eCo-SCD-3(0.012 s-1<\/sup>)\u3002\u4ee4\u4eba\u5907\u53d7\u9f13\u821e\u7684\u662f\uff0c\u5236\u5907\u7684\u50ac\u5316\u5242\u5177\u6709\u826f\u597d\u7684H2<\/sub>O2<\/sub>\u9009\u62e9\u6027(94.2%~98.2%)\u548c\u8d85\u9ad8\u7684H2<\/sub>O2<\/sub>\u4ea7\u7387(5.58 mol gcatalyst<\/sub>-1<\/sup>\u00a0h-1<\/sup>)\uff0c\u672c\u6587\u7684\u7814\u7a76\u7ed3\u679c\u4e5f\u4e3a\u5236\u5907\u5b9e\u7528\u7684\u9ad82e–<\/sup>\u00a0ORR\u50ac\u5316\u6d3b\u6027\u7684Co\u57fa\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u65b0\u7684\u5efa\u8bae\u3002<\/section>\n
\"2\"<\/section>\n
\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3Co-SCD\u57fa\u6750\u6599\u7684\u50ac\u5316\u673a\u5236\uff0c\u672c\u6587\u8fdb\u884c\u4e86\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u3002\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0cCo-SCD-2\u548cCo-SAC(Co-SCD-2)\u7684d\u5e26\u4e2d\u5fc3\u76f8\u5bf9\u4e8e\u5757\u4f53CoOOH(Co-SCD-3)\u5177\u6709\u660e\u663e\u7684\u5de6\u79fb\uff0c\u8fd9\u53ef\u80fd\u662f\u56e0\u4e3aCoOOH\u7c07\u8fb9\u7f18\u7684O\u539f\u5b50\u53ea\u4e0e\u4e00\u4e2a\u6216\u4e24\u4e2aCo\u539f\u5b50\u952e\u5408\uff0c\u8fd9\u6bd4\u5757\u4f53CoOOH\u4e2d\u7684\u4e09\u4e2aCo\u539f\u5b50\u7684\u6210\u952e\u7387\u8981\u4f4e\u3002Co-O\u7f3a\u4e4f\u914d\u4f4d\u5bfc\u81f4\u8fb9\u7f18Co-O\u952e\u589e\u5f3a\uff0c\u4fc3\u8fdb\u4e86\u7535\u5b50\u4eceCo\u5411O\u7684\u8f6c\u79fb\u548cd\u5e26\u4e2d\u5fc3\u7684\u5de6\u79fb\u3002S\u539f\u5b50\u548cO\u539f\u5b50\u4e4b\u95f4\u7684\u952e\u5408\u4e5f\u53ef\u80fd\u5bfc\u81f4Co\u539f\u5b50\u901a\u8fc7-Co-O-S-\u5411SCD\u7684\u7535\u8377\u8f6c\u79fb\u3002\u6b64\u5916\uff0cd\u5e26\u4e2d\u5fc3\u7684\u5de6\u79fb\u51cf\u5f31\u4e86OOH*<\/sup>\u4e2d\u95f4\u4f53\u7684\u76f8\u5bf9\u80fd\u91cf\uff0c\u8fd9\u6709\u5229\u4e8eH2<\/sub>O2<\/sub>\u7684\u5f62\u6210\u3002<\/section>\n
\u56e0\u6b64\uff0c\u5bf9\u50ac\u5316\u5242d\u5e26\u4e2d\u5fc3\u7684\u8c03\u63a7\u53ef\u80fd\u662f\u8bbe\u8ba1\u9ad8\u65482e–<\/sup>\u00a0ORR\u50ac\u5316\u5242\u7684\u4e00\u79cd\u7b56\u7565\u3002\u9664\u4e86\u4ee5\u4e0a\u7ed3\u679c\uff0c\u672c\u6587\u8fd8\u8fdb\u4e00\u6b65\u8ba1\u7b97Fe-SCD\u548cMn-SCD\u76842e–<\/sup>\u00a0ORR\u8fc7\u7a0b\u4ee5\u8fdb\u884c\u6bd4\u8f83\u3002\u7814\u7a76\u540e\u53d1\u73b0\uff0c\u867d\u7136Fe-SCD\u5177\u6709\u826f\u597d\u76842e–<\/sup>\u00a0ORR\u9009\u62e9\u6027\uff0c\u4f46Fe-SCD\u5bf9\u53cd\u5e94\u7269\u7684\u5438\u9644\u548c\u4ea7\u7269\u7684\u8131\u9644\u8f83Co-SCD-2\u5f31\u3002\u56e0\u6b64\uff0cFe-SCD\u7684\u50ac\u5316\u6d3b\u6027\u5e94\u8be5\u8fdc\u4f4e\u4e8eCo-SCD-2\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u7531\u4e8eO*<\/sup>+H2<\/sub>O\u7684\u76f8\u5bf9\u80fd\u91cf\u5f88\u4f4e\uff0cHOOH*<\/sup>\u5f88\u96be\u5728Mn-SCD\u4e0a\u751f\u6210\uff0c\u56e0\u6b64\u8be5\u50ac\u5316\u5242\u6ca1\u67092e–<\/sup>\u00a0ORR\u6d3b\u6027\u3002\u603b\u4e4b\uff0c\u672c\u6587\u4e3a\u5f00\u53d1\u5177\u6709\u9ad8H2<\/sub>O2<\/sub>\u4ea7\u7387\u548c\u7a33\u5b9a\u6027\u4f18\u5f02\u7684\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u6709\u4ef7\u503c\u7684\u7b56\u7565\u3002<\/section>\n
\"0\"<\/section>\n
Cyclodextrin-supported Co(OH)2<\/sub>\u00a0Clusters as Electrocatalysts for Efficient and Selective H2<\/sub>O2<\/sub>\u00a0Synthesis,\u00a0Angewandte Chemie International Edition<\/em><\/strong>,\u00a02023<\/strong>, DOI: 10.1002\/anie.202307355.<\/section>\n
https:\/\/doi.org\/10.1002\/anie.202307355.<\/section>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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