{"id":166635,"date":"2019-01-31T08:30:03","date_gmt":"2019-01-31T00:30:03","guid":{"rendered":"\/\/m.iemloyee.com\/?p=166635"},"modified":"2019-01-31T11:26:24","modified_gmt":"2019-01-31T03:26:24","slug":"nature%e6%9c%80%e6%96%b0%e6%8a%a5%e9%81%93-%e4%b8%ad%e7%a7%91%e5%a4%a7%e6%9d%a8%e9%87%91%e9%be%99%e3%80%81%e8%b7%af%e5%86%9b%e5%b2%ad%e9%9f%a6%e4%b8%96%e5%bc%ba%e7%ad%89-%e5%88%a9%e7%94%a8fe1oh","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=166635","title":{"rendered":"Nature\u6700\u65b0\u62a5\u9053\u4e2d\u79d1\u5927\u8def\u519b\u5cad\u3001\u6768\u91d1\u9f99&\u97e6\u4e16\u5f3a\u7b49: \u5229\u7528Fe1(OH)3 -Pt\u50ac\u5316\u5242\u89e3\u51b3PEMFCs\u4e2d\u50ac\u5316\u5242\u4e2d\u6bd2\uff0c\u52a9\u63a8\u65b0\u80fd\u6e90\u6c7d\u8f66"},"content":{"rendered":"

\u3010\u6587\u7ae0\u4eae\u70b9\u3011<\/strong><\/p>\n

1\u3001 \u5229\u7528<\/strong>\u539f\u5b50\u5c42\u6c89\u79ef\uff08ALD\uff09\u6280\u672f<\/b><\/strong>\uff0c\u5728SiO2<\/sub>\u8d1f\u8f7d\u7684Pt\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u8868\u9762\u4e0a\uff0c\u9009\u62e9\u6027\u7684\u4ee5\u539f\u5b50\u7ea7\u522b\u7684\u65b9\u5f0f\u5c06FeOx<\/sub>\u6c89\u79ef\uff1b<\/strong><\/p>\n

2\u3001 \u5229\u7528STM\u3001\u539f\u4f4dXAFS\u548c\u539f\u4f4dNAP-XPS\u7b49\u5148\u8fdb\u6280\u672f\u624b\u6bb5\u8bc1\u5b9e\u662f\u6210\u529f\u6784\u7b51\u4e86Fe1<\/sub>(OH)3<\/sub>-Pt\u5355\u4f4d\u70b9\u91d1\u5c5e\u754c\u9762\u50ac\u5316\u5242\uff1b<\/strong><\/p>\n

3\u3001<\/strong>\u5236\u5907<\/b><\/strong>\u7684F<\/b><\/strong>e1(OH)3-Pt<\/b><\/strong>\u5355\u4f4d\u70b9\u754c\u9762\u50ac\u5316\u5242<\/b><\/strong>\u53ef\u4ee5\u57281<\/b><\/strong>98<\/b><\/strong>–<\/b><\/strong>380 <\/b><\/strong>K\u4e0b\u5b9e\u73b0<\/b><\/strong>\u9009\u62e9\u6027\u5b8c\u5168\u6c27\u5316CO<\/b><\/strong>, <\/b><\/strong>\u5e76\u4e14\u4fdd\u63011<\/b><\/strong>00%<\/b><\/strong>\u7684\u9009\u62e9\u6027<\/b><\/strong>\u3002<\/b><\/strong><\/p>\n

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60 (PEMFCs)\u662f\u4e00\u79cd\u5f88\u6709\u5438\u5f15\u529b\u7684\u4e0b\u4e00\u4ee3\u80fd\u6e90\u7535\u6c60\uff0c\u53ef\u7528\u4e8e\u6c7d\u8f66\u548c\u5176\u4ed6\u5e94\u7528\u9886\u57df\uff0c\u5176\u5f00\u53d1\u7684\u91cd\u70b9\u5728\u4e8e\u6539\u8fdb\u71c3\u6599\u7535\u6c60\u7684\u50ac\u5316\u5242\u7cfb\u7edf\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\u5c31\u662f\u50ac\u5316\u5242\u4e2d\u6bd2\uff1a\u901a\u5e38\u5728\u6c22\u6c14\u4e2d\u5305\u542b\u7684\u5fae\u91cf\u7684\u4e00\u6c27\u5316\u78b3 (CO)\u6742\u8d28\u6c14\u4f53\uff0c\u4f1a\u4f7f\u50ac\u5316\u5242\u4e2d\u6bd2\u3002\u4e00\u4e2a\u53ef\u80fd\u7684\u89e3\u51b3\u65b9\u6cd5\u662f\uff1a\u5bf9\u6c22\u6c14\u63d0\u7eaf\uff0c\u5373\u5229\u7528\u50ac\u5316\u5242\u5728\u6c22\u6c14\u4e2d\u4f18\u5148\u6c27\u5316\u4e00\u6c27\u5316\u78b3 (CO)\u3002\u7136\u800c\uff0c\u5728\u6c7d\u8f66\u71c3\u6599\u7535\u6c60\u9891\u7e41\u7684\u51b7\u542f\u52a8\u671f\u95f4\uff0c\u50ac\u5316\u5242\u9700\u8981\u5728\u5e7f\u6cdb\u7684\u4f4e\u6e29\u8303\u56f4\u5185\u4ecd\u65e7\u5bf9CO\u6c27\u5316\u5177\u6709\u6d3b\u6027\u548c\u9009\u62e9\u6027\uff0c\u4ee5\u4fbf\u5728\u8fde\u7eed\u7684PEMFCs\u64cd\u4f5c\u671f\u95f4\uff08\u7ea6353 K\uff09\u6709\u6548\u7684\u9664\u53bbCO\uff08\u4f4e\u4e8e\u767e\u4e07\u5206\u5b50\u4e94\u5341\uff09\uff0c\u56e0\u6b64\uff0c\u8fd9\u79cd\u65b9\u6cd5\u662f\u5177\u6709\u6311\u6218\u6027\u7684\u3002<\/p>\n

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

\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66<\/strong>\u7684\u8def\u519b\u5cad\u6559\u6388\u3001\u6768\u91d1\u9f99\u6559\u6388\u548c\u97e6\u4e16\u5f3a\u6559\u6388\uff08<\/b><\/strong>\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5408\u529b\u5728Nature<\/strong>\u4e0a\u53d1\u8868\u4e86\u6700\u65b0\u7684\u5173\u4e8e\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u6587\u7ae0\uff0c\u9898\u76ee\u4e3a\u201cAtomically dispersed iron hydroxide anchored on Pt for preferential oxidation of CO in H2<\/sub>\u201d<\/strong>\u3002\u5728\u6587\u4e2d\uff0c\u5c55\u793a\u4e86\u539f\u5b50\u7ea7\u5206\u6563\u7684\u6c22\u6c27\u5316\u94c1\u9009\u62e9\u6027\u7684\u6c89\u79ef\u5728\u4e8c\u6c27\u5316\u7845\u8d1f\u8f7d\u7684\u94c2(Pt)\u7eb3\u7c73\u7c92\u5b50\u4e0a\uff0c\u901a\u8fc7PROX\u50ac\u5316\u53cd\u5e94\u5728198-380 K\u7684\u5bbd\u6e29\u5ea6\u8303\u56f4\u5185\u5b9e\u73b0\u5b8c\u5168\u9009\u62e9\u6027\u6c27\u5316CO, \u5e76\u4e14\u4fdd\u6301100\uff05\u7684\u9009\u62e9\u6027\u9664\u53bbCO\u3002\u540c\u65f6\uff0c\u7814\u7a76\u53d1\u73b0\u8be5\u4f53\u7cfb\u7684\u8d28\u91cf\u6bd4\u6d3b\u6027\u6bd4\u5728\u6c27\u5316\u94c1\u8f7d\u4f53\u4e0a\u7531Pt\u7ec4\u6210\u7684\u5e38\u89c4\u50ac\u5316\u5242\u9ad8\u7ea630\u500d\u3002\u5229\u7528\u539f\u4f4dX\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\u6d4b\u91cf\uff0c\u53d1\u73b0\u5927\u90e8\u5206\u6c22\u6c27\u5316\u94c1\u4ee5Fe1<\/sub>(OH)x<\/sub>\u7c07\u7684\u5f62\u5f0f\u5b58\u5728\u4e8ePt\u7eb3\u7c73\u7c92\u5b50\u4e0a\u3002\u5229\u7528\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\uff0c\u53d1\u73b0Fe1<\/sub>(OH)x<\/sub>-Pt\u5355\u4f4d\u70b9\u754c\u53ef\u4ee5\u5f88\u5bb9\u6613\u4e0eCO\u53cd\u5e94\u5e76\u4fc3\u8fdb\u6c27\u6d3b\u5316\u3002\u603b\u4e4b\uff0c\u8fd9\u4e9b\u53d1\u73b0\u8868\u660e\uff0c\u9664\u4e86\u9776\u5411\u6c27\u5316\u7269\u8d1f\u8f7d\u7684\u8d35\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u6216\u5206\u79bb\u91d1\u5c5e\u539f\u5b50\u7684\u7b56\u7565\u4e4b\u5916\uff0c\u5206\u79bb\u8fc7\u6e21\u91d1\u5c5e\u914d\u5408\u7269\u7684\u6c89\u79ef\u4e3a\u8bbe\u8ba1\u9ad8\u6d3b\u6027\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u63d0\u4f9b\u4e86\u65b0\u65b9\u6cd5\u3002<\/p>\n

\u8be5\u8bba\u6587\u7684\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\u4e3a\uff1a\u00a0Cao\u00a0Lina, Liu Wei and Luo Qiquan\u00a0<\/span><\/strong><\/p>\n

\u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001\u5408\u6210\u65b9\u6848\u3001Fe\u8d1f\u8f7d\u548cxcFe-Pt \/ SiO2<\/sub>\u50ac\u5316\u5242\u7684\u5f62\u6001<\/strong><\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u56fe\u4e8c\u3001\u50ac\u5316\u5242\u4e2dxcFe-Pt \/ SiO2<\/sub>\u3001Pt \/ SiO2<\/sub>\u548cPt \/ Fe2<\/sub>O3<\/sub>\u50ac\u5316\u5242\u5728PROX\u53cd\u5e94\u4e2d\u7684\u50ac\u5316\u6027\u80fd<\/strong>
\n \"\"
\n \u56fe\u4e09\u3001\u539f\u4f4dXAFS\u6d4b\u91cf1cFe-Pt \/ SiO2<\/sub>\u50ac\u5316\u5242\u5728Fe K\u8fb9\u7f18\u548cPt L3<\/sub>\u8fb9\u7f18\uff0c\u7528\u4e8e\u5236\u5907\u76841cFe-Pt \/ SiO2<\/sub>-O\u3001\u5728\u5ba4\u6e29\u4e0b\u8fd8\u539f\uff081cFe-Pt \/ SiO2<\/sub>-R\uff09\u548cPROX \u5ba4\u6e29\u4e0b\u53cd\u5e94\uff081cFe-Pt \/ SiO2<\/sub>-P\uff09<\/strong>
\n \"\"
\n \u56fe\u56db\u3001\u63d0\u8bae\u7684\u5728Fe1<\/sub>(OH)3<\/sub> @ Pt (100)\u4e0a\u8fdb\u884cCO\u6c27\u5316\u7684\u53cd\u5e94\u9014\u5f84<\/strong>
\n \"\"
\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u5229\u7528ALD\u6280\u672f\u7684\u4f18\u52bf\uff0c\u5c06\u5176\u5e94\u7528\u5728\u9ad8\u6548\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u9886\u57df\uff0c\u5e76\u6210\u529f\u7684\u5728SiO2<\/sub>\u8d1f\u8f7d\u7684Pt\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u8868\u9762\u4e0a\u539f\u5b50\u7ea7\u522b\u7684\u7cbe\u786e\u7684\u6784\u7b51\u4e86Fe1<\/sub>(OH)x<\/sub>\uff0c\u5f62\u6210\u4e86\u5177\u6709\u8d85\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684Fe1<\/sub>(OH)x<\/sub>-Pt\u5355\u4f4d\u70b9\u754c\u9762\u50ac\u5316\u6d3b\u6027\u4e2d\u5fc3\u3002\u5229\u7528STM\u3001\u539f\u4f4dNAP-XPS\u548c\u539f\u4f4dXAFS\u7b49\u5148\u8fdb\u7684\u6280\u672f\u68c0\u6d4b\u624b\u6bb5\uff0c\u8bc1\u5b9e\u4e86\u4e0a\u8ff0\u7ed3\u8bba\uff0c\u5e76\u5229\u7528\u6cdb\u51fd\u5bc6\u5ea6\u7406\u8bba\u8ba1\u7b97\u63a8\u6d4b\u4e86\u5176\u53ef\u80fd\u7684\u53cd\u5e94\u673a\u7406\u3002\u5c3d\u7ba1\u7531XAFS\u786e\u5b9a\u7684Fe1<\/sub>(OH)x<\/sub>\u5355\u4f53\u7684\u6bd4\u4f8b\u53ef\u80fd\u7531\u4e8e\u8be5\u65b9\u6cd5\u7684\u5c40\u9650\u6027\u800c\u5177\u6709\u76f8\u5f53\u5927\u7684\u8bef\u5dee\uff0c\u5e76\u4e14\u6211\u4eec\u4e0d\u80fd\u6392\u9664\u90a3\u4e9b\u8f83\u5c11\u7c92\u5b50\u7684\u94c1\u2014\u6c22\u6c27\u5316\u7269\u7c07\uff08\u5373Fen<\/sub>(OH)x<\/sub>, n = 2,3\uff0c…\uff09\u5bf9\u6211\u4eec\u89c2\u5bdf\u5230\u7684\u50ac\u5316\u6d3b\u6027\u4e5f\u6709\u5f88\u5927\u8d21\u732e\uff0c\u4f46\u662f\u7814\u7a76\u7ed3\u679c\u8868\u660e\u8d35\u91d1\u5c5e\u8868\u9762\u4e0a\u5206\u79bb\u8fc7\u6e21\u91d1\u5c5e\uff08\u6c22\uff09\u6c27\u5316\u7269\u7269\u79cd\u6784\u6210\u7684\u5148\u8fdb\u91d1\u5c5e\u50ac\u5316\u5242\u7684\u5f00\u53d1\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u5e0c\u671b\u7684\u65b0\u76ee\u6807\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aAtomically dispersed iron hydroxide anchored on Pt<\/a><\/strong>
\n for preferential oxidation of CO in H2<\/sub><\/strong><\/a>\uff08Nature, 2019<\/strong>, DOI: 10.1038\/s41586-018-0869-5\uff09<\/p>\n

\u7531\u4e8e\u65f6\u95f4\u7d27\u8feb\u6709\u9650\uff0c\u603b\u7ed3\u7684\u4e0d\u591f\u5168\u9762\u548c\u7cbe\u70bc\u3002\u82e5\u662f\u6709\u4e0d\u8db3\u4e4b\u5904\u6216\u8005\u9519\u8bef\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u6307\u6b63\u4ea4\u6d41\uff0c\u8c22\u8c22\uff01<\/strong><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u4e13\u680f\u4f5c\u8005CQR\u7f16\u8bd1\uff0c\u6750\u6599\u4eba\u6574\u7406\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\u7bb1\uff1atougao@cailiaoren.com<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u6587\u7ae0\u4eae\u70b9\u3011 1\u3001 \u5229\u7528\u539f\u5b50\u5c42\u6c89\u79ef\uff08ALD\uff09\u6280\u672f\uff0c\u5728SiO2\u8d1f\u8f7d\u7684Pt\u91d1\u5c5e\u7eb3\u7c73\u9897\u7c92\u8868\u9762\u4e0a\uff0c\u9009\u62e9\u6027\u7684\u4ee5\u539f\u5b50\u7ea7\u522b\u7684\u65b9\u5f0f\u5c06FeOx\u6c89\u79ef\uff1b 2\u3001 \u5229\u7528STM\u3001\u539f\u4f4dXAF…<\/p>\n","protected":false},"author":7770,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[3867],"class_list":["post-166635","post","type-post","status-publish","format-standard","hentry","category-jiedu","category-keji","tag-prox"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/166635"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/7770"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=166635"}],"version-history":[{"count":14,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/166635\/revisions"}],"predecessor-version":[{"id":166685,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/166635\/revisions\/166685"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=166635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=166635"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=166635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}