{"id":47602,"date":"2023-04-04T08:58:23","date_gmt":"2023-04-04T00:58:23","guid":{"rendered":"https:\/\/www.chemhui.com\/?p=47602"},"modified":"2023-03-20T09:59:15","modified_gmt":"2023-03-20T01:59:15","slug":"%e5%8d%8e%e5%ad%90%e4%b9%90jmca%ef%bc%9a%e5%8d%95%e5%8e%9f%e5%ad%90%e7%ab%8b%e5%a4%a7%e5%8a%9f%ef%bc%81%e5%8f%8c%e4%bd%8d%e7%82%b9%e5%82%ac%e5%8c%96%e5%89%82%e5%ae%9e%e7%8e%b0%e9%ab%98","status":"publish","type":"post","link":"http:\/\/www.chemhui.com\/%e5%8d%8e%e5%ad%90%e4%b9%90jmca%ef%bc%9a%e5%8d%95%e5%8e%9f%e5%ad%90%e7%ab%8b%e5%a4%a7%e5%8a%9f%ef%bc%81%e5%8f%8c%e4%bd%8d%e7%82%b9%e5%82%ac%e5%8c%96%e5%89%82%e5%ae%9e%e7%8e%b0%e9%ab%98\/","title":{"rendered":"\u200b\u534e\u5b50\u4e50JMCA\uff1a\u5355\u539f\u5b50\u7acb\u5927\u529f\uff01\u53cc\u4f4d\u70b9\u50ac\u5316\u5242\u5b9e\u73b0\u9ad8\u6548\u6c27\u8fd8\u539f\uff01"},"content":{"rendered":"

\u8fd1\u5e74\u6765\uff0c\u5168\u7403\u80fd\u6e90\u9700\u6c42\u4e0d\u65ad\u589e\u52a0\uff0c\u6781\u5927\u5730\u63a8\u52a8\u4e86\u53ef\u518d\u751f\u6e05\u6d01\u80fd\u6e90\u7684\u6df1\u5165\u7814\u7a76\u3002\u71c3\u6599\u7535\u6c60\u548c\u950c\u7a7a\u6c14\u7535\u6c60\u5177\u6709\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u9ad8\u3001\u73af\u5883\u53cb\u597d\u7b49\u4f18\u70b9\uff0c\u662f\u6781\u5177\u53d1\u5c55\u524d\u666f\u7684\u5b9e\u73b0\u78b3\u4e2d\u548c\u7684\u88c5\u7f6e\u3002\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\uff0c\u5982Pt\u53ef\u4ee5\u6709\u6548\u5730\u52a0\u901f\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u3002\u7136\u800c\uff0cPt\u57fa\u6750\u6599\u7684\u9ad8\u6210\u672c\u548c\u7a33\u5b9a\u6027\u4e0d\u8db3\u4e25\u91cd\u9650\u5236\u4e86\u5176\u5b9e\u9645\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u975e\u8d35\u91d1\u5c5e\u57fa\u50ac\u5316\u5242\u7684\u5408\u6210\u6210\u4e3a\u71c3\u6599\u7535\u6c60\u8fd9\u4e00\u7814\u7a76\u9886\u57df\u7684\u91cd\u8981\u65b9\u5411\u4e4b\u4e00\u3002<\/p>\n

\u57fa\u4e8e\u6b64\uff0c\u4e2d\u56fd\u79d1\u5b66\u9662\u4e0a\u7845\u6240\u534e\u5b50\u4e50\u7b49\u4eba<\/strong>\u91c7\u7528\u8fde\u7eed\u7684\u5316\u5b66\u63ba\u6742\u548c\u7edc\u5408\u5438\u9644\u7684\u65b9\u6cd5\uff0c\u6210\u529f\u6784\u5efa\u4e86\u5171\u4ef7\u4e09\u55ea\u9aa8\u67b6(CTFs)\u884d\u751f\u7684Fe\/Co\u4e8c\u5143\u91d1\u5c5e\u5355\u539f\u5b50(SACs)\u50ac\u5316\u5242\u7528\u4e8eORR\u3002<\/p>\n

\"1\"<\/p>\n

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\u6b64\u5916\uff0cFe\/Co-N-C\u5177\u67091.04 V\u7684\u8d77\u59cb\u7535\u4f4d(Eonset<\/sub>)\u548c0.922 V\u7684\u534a\u6ce2\u7535\u4f4d(E1\/2<\/sub>)\uff0c\u8fd9\u4f18\u4e8eFe-N-C(1.02\u548c0.885 V)\uff0cCo-N-C(0.99\u548c0.871 V)\uff0cPt\/C(1.02\u548c0.878 V)\u548c\u5927\u591a\u6570\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u3002\u6b64\u5916\uff0cFe\/Co-N-C\u57280.85 V\u7535\u4f4d\u4e0b\u7684\u52a8\u529b\u5b66\u7535\u6d41\u5bc6\u5ea6(JK<\/sub>)\u4e3a26.32 mA cm-2<\/sup>\uff0c\u9ad8\u4e8ePt\/C\u76848.55 mA cm-2<\/sup>\uff0c\u8868\u660e\u5176\u5177\u6709\u4f18\u5f02\u7684\u672c\u5f81\u6d3b\u6027\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u50ac\u5316\u5242\u57280.1 M HClO4<\/sub>\u4e2d\u4e5f\u8868\u73b0\u51fa\u826f\u597d\u7684ORR\u6d3b\u6027\uff0cFe\/Co-N-C\u7684Eonset<\/sub>\u4e3a0.904 V\uff0cE1\/2<\/sub>\u4e3a0.769 V\uff0c\u6bd4\u5176\u4ed6\u4e24\u79cd\u50ac\u5316\u5242\u66f4\u6709\u6d3b\u6027\u3002\u540c\u65f6\uff0cE1\/2<\/sub>\u4e0ePt\/C\u76f8\u6bd4\u53ea\u670921 mV\u7684\u8d1f\u79fb\uff0c\u6bd4\u5927\u591a\u6570\u975e\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u90fd\u597d\u3002<\/p>\n

\u4e3a\u4e86\u8fdb\u4e00\u6b65\u8bc1\u660e\u50ac\u5316\u5242\u7684\u534f\u540c\u4f5c\u7528\uff0c\u8fd8\u5c06KSCN\u52a0\u5165\u52300.1 M HClO4<\/sub>\u6eb6\u6db2\u4e2d\u3002\u52a0\u5165KSCN\u540e\uff0cFe\/Co-N-C\u7684\u6269\u6563\u7535\u6d41\u5bc6\u5ea6\u660e\u663e\u964d\u4f4e\uff0cE1\/2<\/sub>\u8d1f\u79fb60 mV\u3002\u4f46\u662fFe\/Co-N-C\u7684H2<\/sub>O2<\/sub>\u4ea7\u7387\u4f4e\u4e8e4.4%\uff0c\u8868\u660eORR\u5bf9O2<\/sub>\u76f4\u63a5\u8fd8\u539f\u4e3aH2<\/sub>O\u5177\u6709\u826f\u597d\u7684\u9009\u62e9\u6027\u3002\u6b64\u5916\uff0c\u57281 M KOH\u6eb6\u6db2\u4e2d\u4f7f\u7528\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u6cd5(LSV)\u6d4b\u8bd5\u4e86\u50ac\u5316\u5242\u7684OER\u50ac\u5316\u6027\u80fd\u3002Fe\/Co-N-C\u5728100 mA cm-2<\/sup>\u65f6\u7684\u8fc7\u7535\u4f4d\u4e3a334 mV\uff0c\u5c0f\u4e8ePt\/C\u7684\u8fc7\u7535\u4f4d(367 mV)\u3002\u5408\u6210\u7684Fe\/Co-N-C\u5bf9ORR\u548cOER\u5747\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u6027\u80fd\u3002<\/p>\n

\"2\"<\/p>\n

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\"3\"<\/p>\n

Atomically Dispersed Fe\/Co Dual Sites Electrocatalysts Derived from Covalent Triazine 0Frameworks for Boosting the Oxygen Reduction,\u00a0Journal of Materials Chemistry A<\/em><\/strong>,\u00a02023<\/strong>, DOI: 10.1039\/d3ta00307h.<\/p>\n

https:\/\/doi.org\/10.1039\/D3TA00307H.<\/p>\n","protected":false},"excerpt":{"rendered":"

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