{"id":247002,"date":"2023-02-23T06:18:25","date_gmt":"2023-02-22T22:18:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=247002"},"modified":"2023-02-22T14:18:37","modified_gmt":"2023-02-22T06:18:37","slug":"nat-commun-%e9%80%9a%e8%bf%87%e5%8d%95%e5%b1%82%e6%b0%a7%e5%8c%96%e9%93%82%e7%ba%b3%e7%b1%b3%e7%89%87%e7%9a%84%e6%8b%93%e6%89%91%e8%bf%98%e5%8e%9f%e5%90%88%e6%88%90%e9%93%82%e7%ba%b3%e7%b1%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=247002","title":{"rendered":"Nat.Commun: \u901a\u8fc7\u5355\u5c42\u6c27\u5316\u94c2\u7eb3\u7c73\u7247\u7684\u62d3\u6251\u8fd8\u539f\u5408\u6210\u94c2\u7eb3\u7c73\u7247\u7528\u4e8e\u7535\u50ac\u5316\u6c27\u8fd8\u539f\u53cd\u5e94"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/span><\/p>\n

\u00a0 \u00a0\u805a\u5408\u7269\u7535\u89e3\u8d28\u819c\u71c3\u6599\u7535\u6c60\uff08PEMFC\uff09\u7531\u4e8e\u5177\u6709\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u9ad8\u3001\u65e0\u6c61\u67d3\u3001\u65e0\u566a\u58f0\u3001\u7075\u6d3b\u6027\u5927\u7b49\u7279\u70b9\u53ca\u5176\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f,\u73b0\u5df2\u6210\u4e3a\u56fd\u9645\u6027\u7814\u7a76\u70ed\u70b9\u4e4b\u4e00\u3002\u7136\u800c,PEMFC\u7684\u5b9e\u9645\u5e94\u7528\u8fd8\u5b58\u5728\u8bb8\u591a\u95ee\u9898,\u5176\u4e2d\u6700\u91cd\u8981\u95ee\u9898\u662f\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94 \uff08ORR\uff09\u7684\u7535\u6781\u6240\u91c7\u7528\u7684\u50ac\u5316\u5242\u7edd\u5927\u591a\u6570\u4e3a\u91d1\u5c5e\u94c2\uff08Pt\uff09\u3002\u7531\u4e8ePt\u7684\u4ef7\u683c\u6602\u8d35,\u8d44\u6e90\u6709\u9650\u4ee5\u53ca\u56de\u6536\u56f0\u96be\u7b49\u56e0\u7d20,\u6545\u4f7fPEMFC\u7684\u6210\u672c\u5c45\u9ad8\u4e0d\u4e0b\u3002<\/p>\n

\u00a0 \u00a0\u901a\u8fc7\u63d0\u9ad8Pt\u57fa\u7535\u50ac\u5316\u5242\u7684ORR\u6027\u80fd\u6765\u9650\u5236Pt\u7684\u4f7f\u7528\u5bf9\u4e8ePEMFC\u7684\u5e7f\u6cdb\u5546\u4e1a\u5316\u81f3\u5173\u91cd\u8981\u3002\u76ee\u524d\uff0c\u7814\u7a76\u53d1\u73b03nm Pt\u7eb3\u7c73\u9897\u7c92\uff08Pt NP\uff09\u80fd\u8fbe\u5230ORR\u8d28\u91cf\u6d3b\u6027\u7684\u6700\u5927\u503c\uff0c\u4f46\u4ec5\u4ec5\u53ea\u670940%\u7684Pt\u88ab\u5145\u5206\u5229\u7528\u3002\u540c\u65f6\uff0cPt NP\u7684\u7535\u5316\u5b66\u6d3b\u6027\u8868\u9762\u79ef(ECSA)\u548c\u6bd4\u6d3b\u6027\u4e4b\u95f4\u5b58\u5728\u7740\u4e00\u79cd\u6743\u8861\u5173\u7cfb\uff0c\u9650\u5236\u5176\u8fdb\u4e00\u6b65\u7684\u53d1\u5c55\u3002\u5982\u4f55\u5b9e\u73b0\u6700\u5927\u5316Pt\u539f\u5b50\u5229\u7528\u7387\u4ee5\u53ca\u6253\u7834\u7eb3\u7c73\u9897\u7c92\u7684\u8fd9\u79cd\u6743\u8861\u5173\u7cfb\u662f\u89e3\u51b3Pt\u57fa\u7535\u50ac\u5316\u5242\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684\u5173\u952e\u4e4b\u4e00\u3002<\/p>\n

\u00a0 \u00a0\u4e8c\u7ef4(2D)\u7eb3\u7c73\u7247\u56e0\u5176\u5927\u7684\u8868\u9762\u79ef\u800c\u5f15\u8d77\u79d1\u7814\u5de5\u4f5c\u8005\u4eec\u7684\u5173\u6ce8\u3002\u539f\u5219\u4e0a\uff0c\u5177\u6709\u5355\u539f\u5b50\u5c42\u6216\u53cc\u539f\u5b50\u5c42\u7684\u91d1\u5c5e\u7eb3\u7c73\u7247\u53ef\u4ee5\u5b9e\u73b0100%\u7684\u539f\u5b50\u5229\u7528\u7387\u3002\u5df2\u7ecf\u6709\u7814\u7a76\u8868\u660e\u91d1\u5c5e\u7eb3\u7c73\u7247\u6bd4\u5f53\u91cf\u7684\u7eb3\u7c73\u9897\u7c92\u5177\u6709\u66f4\u9ad8\u7684\u7535\u50ac\u5316\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u56e0\u6b64\uff0c2D Pt\u7eb3\u7c73\u7247\u6709\u671b\u6210\u4e3a\u71c3\u6599\u7535\u6c60\u7535\u50ac\u5316\u5242\u7684\u6f5c\u5728\u5019\u9009\u8005\u4e4b\u4e00\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/span><\/p>\n

\u00a0 \u00a0\u8fd1\u65e5\uff0c\u65e5\u672c\u4fe1\u5dde\u5927\u5b66Wataru Sugimoto\u6559\u6388\u7b49\u4eba\u6210\u529f\u901a\u8fc7\u4ece\u5c42\u72b6\u94c2\u9178\u94be\u4e0a\u5265\u79bb\u51fa0.9 nm\u539a\u5ea6\u7684\u6c27\u5316Pt\u7eb3\u7c73\u7247\uff08PtOx<\/sub>\u00a0NSs\uff09\uff0c\u518d\u5229\u7528\u62d3\u6251\u5b9a\u5411\u8fd8\u539f\u6280\u672f\u5408\u6210\u51fa 0.5 nm\u539a\u5ea6\u7684\u53cc\u539f\u5b50\u5c42Pt\u7eb3\u7c73\u7247\uff082 AL-Pt NSs\uff09\u30022 AL-Pt NSs\u7684\u8d28\u91cf\u6d3b\u6027\u548c\u5faa\u73af\u8010\u4e45\u6027\u4f18\u4e8e\u5546\u4e1a\u5316\u76843nm Pt NPs\u3002\u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u201cPlatinum nanosheets synthesized via topotactic reduction of single-layer platinum oxide nanosheets for electrocatalysis<\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Communications<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/span><\/p>\n

1\u3001<\/strong>\u901a\u8fc7<\/strong>PtOx<\/sub><\/strong>\u7eb3\u7c73\u7247\u4f7f\u7528\u62d3\u6251\u5b9a\u5411\u8fd8\u539f\u6280\u672f\u6210\u529f\u5408\u6210\u51fa\u53cc\u539f\u5b50\u5c42<\/strong>Pt<\/strong>\u7eb3\u7c73\u7247\uff08<\/strong>2 AL-Pt NSs<\/strong>\uff09\uff0c\u5b9e\u73b0<\/strong>100% <\/strong>\u7684<\/strong>Pt <\/strong>\u539f\u5b50\u5229\u7528\u7387\u3002<\/strong><\/p>\n

2<\/strong>\u3001<\/strong>2 AL-Pt NSs<\/strong>\u514b\u670d\u7eb3\u7c73\u9897\u7c92\u50ac\u5316\u5242\u7684<\/strong>ECSA <\/strong>\u4e0e\u8010\u4e45\u6027\u548c<\/strong>ORR<\/strong>\u6bd4\u6d3b\u6027\u4e4b\u95f4\u7684\u6743\u8861\u5173\u7cfb\uff08\u5373\u7c92\u5f84\u6548\u5e94\uff09\u3002<\/strong><\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1<\/strong> \u00a0Pt\u7eb3\u7c73\u7247 (NS) \u7684\u6548\u7387\u548c\u539a\u5ea6\u3002(a)\u00a0Pt NS \u7684\u6a2a\u622a\u9762\u56fe\u548c\u8ba1\u7b97\u539a\u5ea6\u3002(b) \u53cc\u5c42\u3001(c) \u4e09\u5c42\u548c (d) \u56db\u5c42 Pt NS \u7684\u793a\u610f\u56fe\u3002\u00a92023 The Author(s)<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2<\/strong> \u00a0\u53cc\u5c42Pt NS\u7684\u5408\u6210\u65b9\u6cd5\u3002(a)\u00a0\u901a\u8fc7K2<\/sub>CO3<\/sub>\u548cPtO2<\/sub>\u6df7\u5408\u7269\u7684\u56fa\u76f8\u53cd\u5e94\u5408\u6210\u5c42\u72b6Ky<\/sub>PtOx<\/sub>\u3002 (b)\u901a\u8fc7\u9178\u5904\u7406\uff0c\u8fdb\u884c\u79bb\u5b50\u4ea4\u6362\u53cd\u5e94\u83b7\u5f97Hy<\/sub>PtOx<\/sub>\u3002(c) PtOx<\/sub> NS\u662f\u901a\u8fc7\u5c42\u72b6Hy<\/sub>PtOx<\/sub>\u5265\u79bb\u83b7\u5f97\u7684\u3002(d) PtOx<\/sub> NS\u7ecf\u62d3\u6251\u5b9a\u5411\u8fd8\u539f\u5408\u6210Pt NS\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3<\/strong> PtOx<\/sub>\u00a0NS\u7684\u8868\u5f81\u3002(a) PtO2<\/sub>\u00a0NS\u80f6\u4f53\u8584\u819c\u7684x\u5c04\u7ebf\u884d\u5c04(XRD)\u56fe\u3002(b)\u548c(c) PtOx<\/sub> NS\u7684TEM \u56fe\u50cf\u548c\u76f8\u5e94\u7684\u533a\u57df\u7684\u7535\u5b50\u884d\u5c04\u56fe\u3002(d) \u5728Si\u886c\u5e95\u4e0a\u7684\u5355\u5c42PtOx<\/sub> NS\u8584\u819c\u7684\u9762\u5185XRD\u8c31\u56fe\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4<\/strong> Pt NS\u7684\u539a\u5ea6\u548c\u7535\u5b50\u6001\u3002(a) PtOx<\/sub>\u00a0-NS\/Si\u548c(b) Pt-NS\/Si \u8584\u819c\u7684\u5178\u578b\u539f\u5b50\u529b\u663e\u5fae\u955c\u56fe\u50cf\u548c\u76f8\u5e94\u7684\u5256\u9762\u9ad8\u5ea6\u3002(c)\u00a0Pt black, 3\u2009nm- sized Pt NPs, and Pt NSs\u7684Pt 4f XPS \u56fe\u8c31\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>5<\/strong> Pt NSs \u7684\u7535\u5316\u5b66\u6027\u80fd\u3002(a) \u78b3\u8d1f\u8f7d\u7684Pt NSs\u7684\u5178\u578bTEM\u56fe\u50cf(EC-300J)\u3002(b) \u4ee550 mV s\u22121<\/sup>\u7684\u626b\u63cf\u901f\u7387\uff0c\u5728\u8131-\u5145\u6c14\u76840.1 M HClO4<\/sub> (25\u00b0C)\u4e0b\u6536\u96c6Pt NSs\u7684\u5faa\u73af\u4f0f\u5b89\u56fe\u3002(c) \u65b0\u9c9c\u6837\u54c1\u57280.9 V vs.\u53ef\u9006\u6c22\u7535\u6781(RHE)\u4e0b\u6c27\u8fd8\u539f\u53cd\u5e94(ORR)\u7684\u8d28\u91cf\u548c\u6bd4\u6d3b\u6027\u3002(d) \u7535\u5316\u5b66\u6d3b\u6027\u8868\u9762\u79ef(ECSA)\u4f5c\u4e3a\u7535\u4f4d\u5faa\u73af\u7684\u51fd\u6570\uff08\u8d1f\u8f7d\u5faa\u73af\u52a0\u901f\u8010\u4e45\u6027\u6d4b\u8bd5; 0.6-1.0 V vs. RHE\u572860\u00b0C\uff09\u3002(e) Pt NSs\u548c3\u2009nm-sized Pt NPs\u7684\u7535\u50ac\u5316\u6027\u80fd\u6bd4\u8f83\u3002\u00a92023 The Author(s)<\/p>\n

\"\"<\/p>\n

 <\/p>\n

\u56fe6 Pt NSs \u7684\u7535\u5316\u5b66\u6027\u80fd\u3002(a) Pt NSs\u5728\u4e0d\u540c\u7535\u4f4d\uff080.4\u30010.7\u30010.8\u30010.9\u30011.0 \u548c 1.1 V\uff09\u4e0b\u7684 X \u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784\u5149\u8c31\u3002(b) \u4e0d\u540c\u7535\u4f4d\u4e0b Pt NS \u7684k2<\/sup>\u52a0\u6743\u6269\u5c55 X\u5c04\u7ebf\u5438\u6536\u7cbe\u7ec6\u7ed3\u6784\u6570\u636e\u7684\u5085\u7acb\u53f6\u53d8\u6362\u3002(c)\u767d\u7ebf (WL) \u5f3a\u5ea6\u4e0e Pt NP \u548c Pt NS \u7684Pt\u8868\u9762\u79ef\u7684\u6bd4\u503c\u4f5c\u4e3a\u7535\u6781\u7535\u4f4d\u7684\u51fd\u6570\u3002\u00a92023 The Author(s)<\/p>\n

 <\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/span><\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u63d0\u51fa\u5e76\u6210\u529f\u901a\u8fc7\u62d3\u6251\u5b9a\u5411\u8fd8\u539f\u6280\u672f\u5408\u6210\u51fa\u539f\u5b50\u7ea7\u5c42\u539a\u5ea6\u7684Pt NSs\uff0cPt NSs\u4e0d\u4ec5\u589e\u5f3a\u4e86ORR\u7684\u6d3b\u6027\u548c\u8010\u4e45\u6027\uff0c\u540c\u65f6\u4e5f\u6253\u7834\u4e86\u76ee\u524d\u7eb3\u7c73\u9897\u7c92\u4e2d\u7684\u6743\u8861\u5173\u7cfb\u3002\u8fd9\u9879\u7814\u7a76\u4e0d\u4ec5\u4e3a\u7535\u5316\u5b66\u80fd\u91cf\u8f6c\u6362\uff08\u71c3\u6599\u7535\u6c60\u548c\u53ef\u5145\u7535\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u7b49\uff09\u548c\u5b58\u50a8\u4e2d\u7684\u5e94\u7528\u4ee5\u53ca\u76ee\u524d\u4f7f\u7528Pt NPs\u7684\u8bb8\u591a\u5176\u4ed6\u5e94\u7528\u5f00\u8f9f\u4e86\u65b0\u7684\u9886\u57df\u548c\u673a\u4f1a\uff0c\u540c\u65f6\u4e5f\u63ed\u793a\u4e86\u8bbe\u8ba1\u8fdc\u4f18\u4e8e\u7eb3\u7c73\u9897\u7c92\u7684\u5148\u8fdb\u80fd\u6e90\u7535\u50ac\u5316\u5242\u7684\u65b0\u7b56\u7565\u3002<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\u00a0<\/strong><\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a<\/strong> https:\/\/doi.org\/10.1038\/s41467-022-35616-4<\/p>\n

\u672c\u6587\u7531K . L\u64b0\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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