{"id":211972,"date":"2020-11-03T12:00:19","date_gmt":"2020-11-03T04:00:19","guid":{"rendered":"\/\/m.iemloyee.com\/?p=211972"},"modified":"2020-11-03T10:19:13","modified_gmt":"2020-11-03T02:19:13","slug":"%e3%80%90%e5%9b%bd%e5%a4%96%e6%96%87%e7%8c%ae%ef%bc%8c%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91adv-mater-%ef%bc%9a%e7%94%a8%e4%ba%8e%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0%e7%9a%84%e8%80%90%e7%94%a8%e5%92%8c","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=211972","title":{"rendered":"Adv. Mater.\uff1a\u7528\u4e8e\u71c3\u6599\u7535\u6c60\u7684\u8010\u7528\u548c\u9ad8\u80fd\u65e0PGM\u9634\u6781"},"content":{"rendered":"

\u3010\u7814\u7a76\u80cc\u666f\u3011<\/strong><\/p>\n

\u78b3\u4e2d\u7684\u539f\u5b50\u5206\u6563\u548c\u6c2e\u914d\u4f4d\u7684\u5355\u91d1\u5c5e\u4e2d\u5fc3\uff08\u8868\u793a\u4e3aM-N-C\uff09\u5df2\u6210\u4e3a\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\uff08PEMFC\uff09\u4e2d\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u9634\u6781\u7684\u6709\u524d\u9014\u7684\u65e0\u94c2\u65cf\uff08PGM\uff09\u50ac\u5316\u5242\u3002\u4ece\u7406\u8bba\u4e0a\u9884\u6d4b\u4e86MN4<\/sub>\uff08M\uff1aFe\uff0cCo\u6216Mn\uff09\u90e8\u5206\uff0c\u7136\u540e\u901a\u8fc7\u5b9e\u9a8c\u9a8c\u8bc1\u4e86\u5176\u4e3aM-N-C\u50ac\u5316\u5242\u4e2d\u7684\u6d3b\u6027\u4e2d\u5fc3\u3002MN4<\/sub>\u5c3d\u7ba1\u6700\u8fd1\u5728\u6c34\u6027\u9178\u6027\u7535\u89e3\u8d28\u4e2d\u663e\u793a\u51fa\u4ee4\u4eba\u9f13\u821e\u7684ORR\u6d3b\u6027\uff0c\u5728\u4f7f\u7528\u56fa\u6001\u7535\u89e3\u8d28\u7684PEMFC\u7684\u819c\u7535\u6781\u7ec4\u4ef6\uff08MEA\uff09\u4e2d\uff0c\u901a\u5e38\u5f88\u96be\u518d\u73b0\u8fd9\u79cd\u8d8b\u52bf\u3002\u5728\u975e\u5e38\u539a\u7684\u4e0d\u542bPGM\u7684\u9634\u6781\u50ac\u5316\u5242\u5c42\uff08CCL\uff09\u4e2d\uff0c\u50ac\u5316\u5242\u5229\u7528\u7387\u4f4e\uff0c\u4e25\u91cd\u7684\u78b3\u8150\u8680\u4ee5\u53ca\u8f83\u5dee\u7684\u8d28\u91cf\u4f20\u9012\u662fMEA\u6027\u80fd\u7684\u4e3b\u8981\u9650\u5236\u3002\u9664\u50ac\u5316\u6d3b\u6027\u5916\uff0c\u8010\u4e45\u6027\u7684\u63d0\u9ad8\u4e5f\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u6311\u6218\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u7ebd\u7ea6\u5dde\u7acb\u5927\u5b66\u5e03\u6cd5\u7f57\u5206\u6821\u6b66\u521a\u6559\u6388\u4e0e\u5361\u8010\u57fa\u6885\u9686\u5927\u5b66<\/strong>Shawn Litster<\/strong>\u6559\u6388\uff0c\u8def\u6613\u65af\u5b89\u90a3\u5927\u5b66\u62c9\u6590\u7279\u5206\u6821<\/strong>Fei Ling<\/strong>\u6559\u6388\uff0c\u6a61\u6811\u5cad\u56fd\u5bb6\u5b9e\u9a8c\u5ba4<\/strong>David A. Cullen<\/strong>\u6559\u6388<\/strong>\u7b49\u4eba\u8054\u5408\u62a5\u9053\u4e86\u4e00\u79cd\u901a\u8fc7\u5c06\u94b4\u63ba\u6742\u7684\u6cb8\u77f3\u54aa\u5511\u9178\u916f\u9aa8\u67b6\u7535\u7eba\u5230\u9009\u5b9a\u7684\u805a\u4e19\u70ef\u8148\u548c\u805a\uff08\u4e59\u70ef\u57fa\u5421\u54af\u70f7\u916e\uff09\u805a\u5408\u7269\u4e2d\u800c\u5408\u6210\u7684\u9ad8\u529f\u7387\u8010\u7528\u7684Co-N-C\u7eb3\u7c73\u7ea4\u7ef4\u50ac\u5316\u5242\u3002\u72ec\u7279\u7684\u591a\u5b54\u7ea4\u7ef4\u5f62\u6001\u548c\u5206\u5c42\u7ed3\u6784\u901a\u8fc7\u66b4\u9732\u66f4\u6613\u63a5\u8fd1\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u63d0\u4f9b\u4fbf\u6377\u7684\u7535\u5b50\u4f20\u5bfc\u6027\u5e76\u4fc3\u8fdb\u53cd\u5e94\u7269\u7684\u8d28\u91cf\u4f20\u8f93\uff0c\u5728\u63d0\u9ad8\u7535\u6781\u6027\u80fd\u65b9\u9762\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u56fa\u6709\u6d3b\u6027\u7684\u589e\u5f3a\u5f52\u56e0\u4e8e\u56f4\u7ed5CoN4<\/sub>\u90e8\u5206\u7684\u989d\u5916\u77f3\u58a8N\u63ba\u6742\u5242\u3002\u50ac\u5316\u5242\u4e2d\u9ad8\u5ea6\u77f3\u58a8\u5316\u7684\u78b3\u57fa\u8d28\u6709\u5229\u4e8e\u589e\u5f3a\u78b3\u7684\u8010\u8150\u8680\u6027\uff0c\u4ece\u800c\u63d0\u9ad8\u50ac\u5316\u5242\u7684\u7a33\u5b9a\u6027\u3002\u72ec\u7279\u7684\u7eb3\u7c73\u7ea7X\u5c04\u7ebf\u8ba1\u7b97\u673a\u65ad\u5c42\u626b\u63cf\u6280\u672f\u53ef\u9a8c\u8bc1\u50ac\u5316\u5242\u4e2d\u6574\u4e2a\u7ea4\u7ef4\u78b3\u7f51\u7edc\u4e2d\u5206\u5e03\u5747\u5300\u7684\u79bb\u805a\u7269\u8986\u76d6\u7387\u3002\u819c\u7535\u6781\u7ec4\u4ef6\u5728\u5b9e\u9645\u7684H2<\/sub>\/\u7a7a\u6c14\u7535\u6c60\uff081.0 bar\uff09\u4e2d\u5b9e\u73b0\u4e860.40 W cm-2<\/sup>\u7684\u529f\u7387\u5bc6\u5ea6\uff0c\u5e76\u663e\u793a\u51fa\u663e\u8457\u589e\u5f3a\u7684\u8010\u4e45\u6027\u3002\u5355\u4e2aCo\u4f4d\u70b9\u7684\u56fa\u6709\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u4ee5\u53ca\u72ec\u7279\u7684\u50ac\u5316\u5242\u4f53\u7cfb\u7ed3\u6784\u7684\u7ed3\u5408\uff0c\u4e3a\u8bbe\u8ba1\u9ad8\u6548\u3001\u4e0d\u542bPGM\u7684\u7535\u6781\u63d0\u4f9b\u4e86\u65b0\u7684\u65b9\u5411\uff0c\u5e76\u63d0\u9ad8\u4e86\u6027\u80fd\u548c\u8010\u7528\u6027\u3002\u8be5\u6587\u7ae0\u8fd1\u65e5\u4ee5\u9898\u4e3a\u201cSingle Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High<\/strong>\u2010<\/strong>Power PGM<\/strong>\u2010<\/strong>Free Cathodes in Fuel Cells<\/strong>\u201d\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aAdvanced Materials<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

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\u56fe\u4e09\u3001<\/strong>Co-N-PCNFs<\/strong>\u50ac\u5316\u5242\u7684\u5143\u7d20\u5206\u6790<\/strong><\/p>\n

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\uff08d-f\uff09\u7535\u4f4d\u5dee\u6d4b\u8bd5@ 0.85 VRHE<\/sub>\u548c@ 0.7 VRHE<\/sub>\u3002<\/p>\n

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\u3010\u7ed3\u8bba\u5c55\u671b\u3011<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1aSingle Cobalt Sites Dispersed in Hierarchically Porous Nanofiber Networks for Durable and High\u2010Power PGM\u2010Free Cathodes in Fuel Cells<\/a> (Advanced Materials<\/em>, 2020<\/strong>, DOI: 10.1002\/adma.202003577)<\/p>\n

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