{"id":247018,"date":"2023-03-06T05:58:22","date_gmt":"2023-03-05T21:58:22","guid":{"rendered":"\/\/m.iemloyee.com\/?p=247018"},"modified":"2023-03-03T13:58:37","modified_gmt":"2023-03-03T05:58:37","slug":"acs-sustain-chem-%e6%b0%94%e7%9b%b8%e5%90%88%e6%88%90ptmo%e5%90%88%e9%87%91%e7%94%b5%e5%82%ac%e5%8c%96%e5%89%82%e7%94%a8%e4%ba%8e%e5%a2%9e%e5%bc%ba%e6%b0%a7%e8%bf%98%e5%8e%9f%e5%8f%8d%e5%ba%94","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=247018","title":{"rendered":"ACS Sustain. Chem: \u6c14\u76f8\u5408\u6210PtMo\u5408\u91d1\u7535\u50ac\u5316\u5242\u7528\u4e8e\u589e\u5f3a\u6c27\u8fd8\u539f\u53cd\u5e94\u7684\u6d3b\u6027\u548c\u8010\u4e45\u6027"},"content":{"rendered":"

\u4e00\u3001\u5bfc\u8bfb<\/strong><\/p>\n

\u6c22\u662f\u8f6c\u6362\u548c\u50a8\u5b58\u98ce\u80fd\u548c\u592a\u9633\u80fd\u7b49\u53ef\u518d\u751f\u80fd\u6e90\u4ea7\u751f\u7684\u7535\u529b\u7684\u7406\u60f3\u80fd\u6e90\u8f7d\u4f53\u3002\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\uff08PEMFCs\uff09\u7531\u4e8e\u5176\u9ad8\u529f\u7387\u5bc6\u5ea6\u548c\u80fd\u91cf\u8f6c\u6362\u6548\u7387\u3001\u4f4e\u5de5\u4f5c\u6e29\u5ea6\u3001\u6e05\u6d01\u7b49\u4f18\u70b9\uff0c\u5728\u5c06\u6c22\u9ad8\u6548\u7387\u8f6c\u5316\u4e3a\u7535\u8fd9\u4e00\u9886\u57df\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\u3002\u7136\u800c\uff0c\u71c3\u6599\u7535\u6c60\u6280\u672f\u9762\u4e34\u7740\u5e7f\u6cdb\u5e94\u7528\u7684\u591a\u91cd\u969c\u788d\uff0c\u4f8b\u5982\u5bf9\u94c2\u7684\u9ad8\u5ea6\u4f9d\u8d56\uff0c\u94c2\u88ab\u7528\u4f5c\u7535\u50ac\u5316\u5242\u6765\u6539\u5584\u9634\u6781(\u6c27\u8fd8\u539f\u53cd\u5e94\uff0cORR)\u548c\u9633\u6781(\u6c22\u6c27\u5316\u53cd\u5e94\uff0cHOR)\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u3002\u5c3d\u7ba1\u94c2\u7eb3\u7c73\u9897\u7c92\u5177\u6709\u76f8\u5f53\u9ad8\u7684\u6d3b\u6027\u548c\u9009\u62e9\u6027\uff0c\u4f46\u7531\u4e8e\u5176\u6210\u672c\u9ad8\u4e14\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u7684\u7a33\u5b9a\u6027\u5dee\uff0c\u6240\u4ee5\u4eba\u4eec\u6025\u9700\u627e\u5230\u540c\u65f6\u8868\u73b0\u51fa\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684ORR\u7535\u50ac\u5316\u5242\u3002<\/p>\n

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

\u8fd1\u671f\uff0c\u97e9\u56fd\u9ad8\u4e3d\u5927\u5b66Dong-Wan Kim\u63d0\u51fa\u4e86\u4e00\u79cd\u4e00\u6b65\u6c14\u76f8\u5408\u6210\u65b9\u6cd5\uff0c\u5728\u4e0d\u4f7f\u7528\u4efb\u4f55\u6709\u673a\u6dfb\u52a0\u5242\u6216\u8fd8\u539f\u6027\u6c14\u4f53\u7684\u60c5\u51b5\u4e0b\uff0c\u5927\u89c4\u6a21\u5236\u5907\u4e86\u8d1f\u8f7d\u78b3\u8f7d\u4f53\u4e0a\u7684Pt-Mo\u56fa\u6eb6\u5408\u91d1(PtMo\/C) \u7684ORR\u7535\u50ac\u5316\u5242\uff0c\u8be5\u50ac\u5316\u5242\u5177\u6709\u9ad8\u8d28\u91cf\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u516d\u7fb0\u57fa\u94bc(Mo(CO)6<\/sub>)\u4e0d\u4ec5\u4f5c\u4e3a\u5f3a\u8fd8\u539f\u5242\uff0c\u800c\u4e14\u662fPt\u57fa\u5408\u91d1\u4e2dMo\u7684\u6765\u6e90\u3002\u901a\u8fc7\u63a7\u5236\u5408\u6210\u6761\u4ef6\uff0c\u4f18\u5316\u4e86PtMo\/C\u7684\u7c92\u5f84\uff0c\u4e0e\u5546\u4e1aPt\/C\u76f8\u6bd4\uff0c\u5177\u6709\u6700\u5927\u5316\u7684ORR\u6d3b\u6027\uff0c\u5e76\u4e14\u5728\u52a0\u901f\u964d\u89e3\u8bd5\u9a8c(ADTs)\u540e\u8868\u73b0\u51fa\u8f83\u9ad8\u7684\u8010\u4e45\u6027\u3002<\/p>\n

\u76f8\u5173\u7814\u7a76\u5de5\u4f5c\u4ee5\u201cGas-Phase Synthesis of PtMo Alloy Electrocatalysts with Enhanced Activity and Durability for Oxygen Reduction Reaction <\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u9876\u7ea7\u671f\u520aACS Sustainable Chemistry & Engineering<\/em>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

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

1.\u63d0\u51fa\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u5408\u6210\u7b56\u7565\uff0c\u5927\u89c4\u6a21\u751f\u4ea7\u78b3\u8f7d\u4f53\u4e0aPt-Mo\u56fa\u6eb6\u5408\u91d1\u7eb3\u7c73\u9897\u7c92\u7684\u9ad8\u6d3b\u6027ORR\u7535\u50ac\u5316\u5242\u3002\u5728\u60f0\u6027\u6c14\u6c1b\u4e2d\u57fa\u4e8e\u6c14\u76f8\u6cd5\u7684\u5408\u6210\u5de5\u827a\u6210\u672c\u4f4e\u5ec9\uff0c\u4e0d\u9700\u8981\u4efb\u4f55\u540e\u5904\u7406\u3002<\/p>\n

2.\u5728\u9000\u706b\u8fc7\u7a0b\u4e2d\uff0c\u91d1\u5c5e\u94bc\u548c\u7531\u516d\u78b3\u7fb0\u57fa\u94bc\u5206\u89e3\u7684\u4e00\u6c27\u5316\u78b3\u90fd\u6709\u52a9\u4e8ePtMo\u5408\u91d1\u7684\u8fd8\u539f\u3002\u901a\u8fc7\u9610\u660e\u751f\u957f\u548c\u5408\u6210\u673a\u5236\uff0c\u5728800\u00b0C\u9000\u706b\uff0cPtMo\/C-800\u7684\u7c92\u5f84\u4f18\u5316\u5230\u7ea63.1 nm\u3002PtMo\/C-800\u8868\u73b0\u51fa46 mA mgPt<\/sub>–<\/sup>1<\/sup>\u7684\u9ad8\u8d28\u91cf\u6d3b\u6027\uff0c\u5e76\u5728\u52a0\u901f\u964d\u89e3\u8bd5\u9a8c\u540e\u5177\u6709\u4f18\u5f02\u7684\u8010\u4e45\u6027\u3002<\/p>\n

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

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

\"\"\u56fe1 Pt\/C-800\u548cPtMo\/C-800\u7684\u5408\u6210\u3002\u00a9 2022 American Chemical Society<\/strong><\/p>\n

(a) Pt-Mo\u4e8c\u5143\u76f8\u56fe\u3002(b) Pt\/C-800\u548cPtMo\/C-800\u7684\u7c89\u672bXRD\u8c31\u56fe\u3002(c) Pt\/C-800\u548c(d) PtMo\/C-800\u7684HAADF-STEM\u56fe\u50cf\u3002(e) (f) Pt(\u7eff\u8272)\u3001(g)\u548cMo(\u7ea2\u8272)\u7684PtMo\/C-800\u5206\u5e03\u7684STEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684EDS\u6620\u5c04\u3002<\/p>\n

\"\"\u56fe2 \u9000\u706b\u6e29\u5ea6\u5bf9PtMo\/C\u5fae\u7ed3\u6784\u7684\u5f71\u54cd\u3002\u00a9 2022 American Chemical Society<\/strong><\/p>\n

(a)\u5408\u6210\u548c\u751f\u957fPtMo\/C\u7684\u673a\u7406\u793a\u610f\u56fe\u3002(b)\u6c2e\u6c14\u6c14\u6c1b\u4e0bPtMo\/C\u7684TGA\u66f2\u7ebf\u3002\u5408\u6210\u6750\u6599\u7684\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31:(c) Mo 3d\u548c(d)Pt 4 f\u3002(e) 200\u3001(f) 300\u3001(g) 400\u3001(h) 500\u3001(i) 600\u3001(j) 700\u3001(k) 800\u3001(l) 1000\u00b0C \u9000\u706b\u7684TEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684PtMo\/C\u5c3a\u5bf8\u5206\u5e03\u76f4\u65b9\u56fe\u3002<\/p>\n

\"\"\u56fe3 0.1 M HClO4<\/sub>\u4e2d\u7535\u50ac\u5316\u5242\u7684ORR\u6d4b\u91cf\u3002\u00a9 2022 American Chemical Society<\/strong><\/p>\n

(a)\u5546\u7528Pt\/C\u3001Pt\/C-800\u548cPtMo\/C-800\u7684\u6781\u5316\u66f2\u7ebf\u3002(b)\u56fea\u7684Tafel\u56fe\u3002(c) PtMo\/C-X\u7684\u5e73\u5747\u7c92\u5f84(\u9ed1\u7ebf)\u548cORR\u8d28\u91cf\u6d3b\u5ea6(\u84dd\u7ebf)\u968f\u9000\u706b\u6e29\u5ea6\u7684\u53d8\u5316\u3002(d) PtMo\/C-X\u7684\u6bd4\u6d3b\u5ea6(X =200\u3001400\u3001600\u3001800\u548c1000\u00b0C)\u3002<\/p>\n

\"\"\u56fe4 \u5728ADT\u524d\u540e\u5546\u4e1aPt\/C\u3001Pt\/C-800\u548cPtMo\/C-800\u7684(a – c)\u6781\u5316\u66f2\u7ebf\u3001(d)\u8d28\u91cf\u6d3b\u5ea6\u4fdd\u7559\u548c(e – g) TEM\u56fe\u50cf\u7684\u6bd4\u8f83\u3002\u00a9 2022 American Chemical Society<\/strong><\/p>\n

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

\u4f5c\u8005\u901a\u8fc7\u7814\u7a76Pt – Mo\u56fa\u6eb6\u4f53\u5408\u91d1\u5728\u9000\u706b\u8fc7\u7a0b\u4e2d\u7684\u751f\u957f\u548c\u5408\u6210\u673a\u7406\uff0c\u6210\u529f\u5730\u751f\u4ea7\u51fa\u5c3a\u5bf8\u4f18\u5316\u7684PtMo\/C-800\u3002\u901a\u8fc7XPS\u548cTG\u5206\u6790\uff0c\u53d1\u73b0Mo\u4e0d\u4ec5\u5f71\u54cd\u4e86Pt\u91d1\u5c5e\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u800c\u4e14\u4fc3\u8fdb\u4e86\u6bcf\u79cd\u91d1\u5c5e\u4e4b\u95f4\u7684\u8fd8\u539f\u7535\u4f4d\u5dee\u5f02\u6240\u4ea7\u751f\u7684Pt\u521d\u59cb\u8fd8\u539f\u3002PtMo\/C-800\u5728\u4e0d\u540c\u6e29\u5ea6\u9000\u706b\u7684Pt\/C\u548cPtMo\/C\u4e2d\u8868\u73b0\u51fa\u6700\u4f73\u7684ORR\u7535\u50ac\u5316\u6027\u80fd\uff0c\u5e76\u4e14\u5728\u9178\u6027\u7535\u89e3\u8d28\u4e2d\u8868\u73b0\u51fa\u6bd4\u5546\u4e1aPt\/C\u66f4\u597d\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0cPtMo\/C-800\u5728ADTs\u8fc7\u7a0b\u4e2d\u901a\u8fc7\u727a\u7272Mo\u800c\u51cf\u5c11Pt\u7684\u8150\u8680\uff0c\u5b9e\u73b0\u4e86\u7a81\u51fa\u7684\u7a33\u5b9a\u6027\u3002\u672c\u7814\u7a76\u53ef\u4ee5\u4f5c\u4e3a\u5408\u6210\u5176\u4ed6\u7684\u94c2\u57fa\u5408\u91d1ORR\u7535\u50ac\u5316\u5242\u7684\u57fa\u7840\uff0c\u5e76\u8fdb\u4e00\u6b65\u6709\u52a9\u4e8e\u63a8\u5e7f\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1ahttps:\/\/pubs.acs.org\/doi\/10.1021\/acssuschemeng.2c05246<\/p>\n

\u672c\u6587\u7531\u5f20\u7199\u7199\u4f9b\u7a3f\u3002<\/p>\n

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

 <\/p>\n

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