{"id":84556,"date":"2017-06-02T06:30:23","date_gmt":"2017-06-01T22:30:23","guid":{"rendered":"\/\/m.iemloyee.com\/?p=84556"},"modified":"2017-06-01T23:50:49","modified_gmt":"2017-06-01T15:50:49","slug":"%e9%bb%84%e5%b0%8f%e9%9d%92adv-funct-mater-%ef%bc%9a%e5%ae%9e%e7%8e%b0%e5%af%b9%e4%b8%80%e7%bb%b4pt-ni%e9%ab%98%e6%95%88%e7%94%b5%e5%82%ac%e5%8c%96%e5%89%82%e7%ba%b3%e7%b1%b3%e7%bb%93%e6%9e%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=84556","title":{"rendered":"\u9ec4\u5c0f\u9752Adv. Funct. Mater.\uff1a\u5b9e\u73b0\u5bf9\u4e00\u7ef4Pt-Ni\u9ad8\u6548\u7535\u50ac\u5316\u5242\u7eb3\u7c73\u7ed3\u6784\u7684\u8c03\u63a7\u4e0e\u4f18\u5316"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u7531\u4e8e\u91d1\u5c5e\u7eb3\u7c73\u6676\u4f53\uff08NC\uff09\u72ec\u7279\u7684\u50ac\u5316\u3001\u5149\u5b66\u548c\u7535\u5b50\u6027\u80fd\uff0c\u5b83\u7684\u5236\u9020\u548c\u5e94\u7528\u5728\u7269\u7406\u548c\u5316\u5b66\u5404\u9886\u57df\u53d7\u5230\u9ad8\u5ea6\u5173\u6ce8\u3002\u7279\u522b\u7684\uff0c\u7ed3\u6784\u89c4\u6574\u7684Pt-NC\u5bf9\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u548c\u71c3\u6599\u7535\u6c60\u7684\u9634\u6781\u53cd\u5e94\u5177\u6709\u4f18\u5f02\u7684\u50ac\u5316\u6027\u80fd\uff0c\u4f46\u53d7\u5230Pt\u4f4e\u50a8\u91cf\u548c\u9ad8\u4ef7\u683c\u7684\u9650\u5236\uff0c\u5408\u6210\u4e00\u79cd\u517c\u5177\u9ad8\u6027\u80fd\u548c\u9ad8\u539f\u5b50\u5229\u7528\u7387\u7684\u65b0\u578bPt-NC\u6210\u4e3a\u9996\u8981\u76ee\u6807\u3002\u5728\u5404\u79cdPt\u7eb3\u7c73\u7ed3\u6784\u4e2d,\u591a\u5b54\u6216\u7a7a\u5fc3\u7ed3\u6784\u5177\u6709\u9ad8\u6548\u7684ORR\u50ac\u5316\u6d3b\u6027\u53ca\u6781\u5927\u7684\u539f\u5b50\u5229\u7528\u7387\uff0c\u56e0\u6b64\u5728\u50ac\u5316\u4e2d\u6709\u7740\u91cd\u8981\u7684\u5730\u4f4d\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u82cf\u5dde\u5927\u5b66\u9ec4\u5c0f\u9752\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u8bfe\u9898\u7ec4\u5728Advanced Functional Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cPhase and Composition Tuning of 1D Platinum-Nickel Nanostructures for Highly Efficient Electrocatalysis\u201d<\/strong>\u7684\u6587\u7ae0\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5bf9Pt-Ni\u7eb3\u7c73\u7ebf\uff08NWs\uff09\u8fdb\u884c\u9009\u62e9\u6027\u523b\u8680\uff0c\u5408\u6210\u4e86\u5177\u6709\u4e00\u7ef4\u7ed3\u6784\u7684\u591a\u5b54Pt3<\/sub>Ni NWs\uff0c\u5176\u591a\u5b54\u6027\u53ef\u4ee5\u901a\u8fc7\u6539\u53d8\u8d77\u59cb\u7684Pt-Ni\u539f\u5b50\u6bd4\u4f8b\u8fdb\u884c\u8c03\u63a7\u3002\u8fd9\u79cd\u591a\u5b54\u7684Pt3<\/sub>Ni NWs\u5bf9\u7532\u9187\u6c27\u5316\u53cd\u5e94\u548cORR\u8868\u73b0\u51fa\u4e86\u60ca\u4eba\u7684\u50ac\u5316\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5728ORR\u4e2d\u7684\u8d28\u91cf\u6d3b\u5ea6\u53ef\u8fbe5.60 A mg-1<\/sup>\uff0c\u662fPt\/C\u768437.3\u500d\uff0c\u5e76\u4e14\u5728\u5faa\u73af\u4f7f\u752820000\u6b21\u540e\u4f9d\u7136\u4fdd\u6301\u9ad8\u7a33\u5b9a\u6027\u548c\u826f\u597d\u7684\u50ac\u5316\u6d3b\u6027\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1 \u591a\u5b54Pt3<\/sub>Ni NWs\u7684\u5408\u6210\u793a\u610f\u56fe\u548c\u4e0d\u540cPt-Ni\u539f\u5b50\u6bd4\u7684NWs\u5f62\u8c8c\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n a)\u591a\u5b54Pt3<\/sub>Ni NWs\u7684\u5408\u6210\u793a\u610f\u56fe\uff1b<\/p>\n b-g) Pt3<\/sub>Ni3<\/sub> NWs\/C\u3001Pt3<\/sub>Ni3<\/sub> NWs\/C-AA\u3001Pt3<\/sub>Ni4.5<\/sub> NWs\/C\u3001Pt3<\/sub>Ni4.5<\/sub> NWs\/CAA\u3001Pt3<\/sub>Ni6<\/sub> NWs\/C\u3001Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684HAADF-STEM\u56fe\u50cf\uff0c\u63d2\u56fe\u662f\u76f8\u5e94\u7684TEM\u56fe\u50cf\u3002<\/p>\n \u56fe2 Pt3<\/sub>Ni6<\/sub> NWs\/C\u3001Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684\u5f62\u8c8c\u7ed3\u6784\u5206\u6790\u3001\u5143\u7d20\u5206\u6790\u548c\u6676\u4f53\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n a)Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684HAADF-STEM\u4f4e\u500d\u56fe\u50cf\uff1b<\/p>\n b\u3001c) Pt3<\/sub>Ni6<\/sub> NWs\/C\u3001Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684\u5143\u7d20\u5206\u6790\u56fe\uff1b<\/p>\n d)Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684STEM\u7ebf\u626b\u63cf\uff1b<\/p>\n e)Pt3<\/sub>Ni6<\/sub> NWs\/C\u3001Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684PXRD\u56fe\u8c31\uff1b<\/p>\n f-g, h) Pt3<\/sub>Ni6<\/sub> NWs\/C\u3001Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u7684HRTEM\u56fe\u3002<\/p>\n \u56fe3 \u5728N2<\/sub>\u9971\u548c\u76840.1M HClO4<\/sub>\u4e2d\u4e0d\u540c\u50ac\u5316\u5242\u7684CVs\u56fe\u3001ECSAs\u3001ORR\u6781\u5316\u66f2\u7ebf\u548c\u50ac\u5316\u6d3b\u6027<\/strong><\/p>\n a)\u5728N2<\/sub>\u9971\u548c\u76840.1M HClO4<\/sub>\u4e2d\u4e0d\u540c\u50ac\u5316\u5242\u7684CVs\u56fe\uff0c\u626b\u901f\u4e3a500 mV\u00b7S-1<\/sup>\uff1b<\/span><\/p>\n b)\u4e0d\u540c\u50ac\u5316\u5242\u7684ECSAs\uff1b<\/p>\n c)\u4e0d\u540c\u50ac\u5316\u5242\u7684ORR\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n d)\u4e0d\u540c\u50ac\u5316\u5242\u7684ORR\u8d28\u91cf\u6d3b\u5ea6\u3002<\/p>\n \u56fe4 Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u3001Pt\/C\u57280.6-1.1V\u4e4b\u95f4\u7684\u53ef\u9006\u6c22\u7535\u6781(RHE)\u7ecf\u8fc7\u4e0d\u540c\u5faa\u73af\u5468\u671f\u524d\u540e\u7684ORR\u6781\u5316\u66f2\u7ebf\u548c\u50ac\u5316\u6d3b\u6027\u56fe\u793a<\/strong><\/p>\n a\u3001c) Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u3001Pt\/C\u57280.6-1.1V\u4e4b\u95f4\u7684\u53ef\u9006\u6c22\u7535\u6781(RHE)\u7ecf\u8fc7\u4e0d\u540c\u5faa\u73af\u5468\u671f\u524d\u540e\u7684ORR\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n b\u3001d) Pt3<\/sub>Ni6<\/sub> NWs\/C-AA\u3001Pt\/C\u7ecf\u8fc7\u4e0d\u540c\u5faa\u73af\u5468\u671f\u524d\u540e\u7684\u8d28\u91cf\u6d3b\u5ea6\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u6587\u7ae0\u4ecb\u7ecd\u4e86\u4e00\u79cd\u901a\u8fc7\u5bf9\u7ec4\u5206\u5206\u79bb\u7684Pt-Ni\u7eb3\u7c73\u7ebf\uff08NWs\uff09\u8fdb\u884c\u9009\u62e9\u6027\u523b\u8680\u7684\u65b9\u6cd5\uff0c\u5408\u6210\u4e86\u5177\u6709\u8d85\u8584Pt\u5bcc\u96c6\u58f3\u3001\u9ad8\u6307\u6570\u6676\u9762\u7684\u4e00\u7ef4Pt3<\/sub>Ni\u7eb3\u7c73\u7ebf\uff08NWs\uff09\uff0c\u8fd9\u79cd\u7ed3\u6784\u7ed3\u5408\u7279\u6709\u7684\u9ad8\u5ea6\u5f00\u653e\u6027\u4f7f\u5f97Pt3<\/sub>Ni NWs\u5728ORR\u4e2d\u7684\u53cd\u5e94\u6d3b\u6027\u4f18\u4e8e\u4e4b\u524d\u5927\u591a\u6570\u7684Pt-NCs\u3002\u591a\u5b54Pt3<\/sub>Ni NW\u57280.9 V\u65f6\u7684\u8d28\u91cf\u6d3b\u5ea6\u4e3a5.60A mg -1<\/sup>\uff0c\u6bd4Pt \/ C\u9ad8\u51fa37.3\u500d\u3002\u5e76\u4e14\u5177\u6709\u9ad8\u5ea6\u7a33\u5b9a\u6027\uff0c\u572820 000\u6b21\u5faa\u73af\u540e\u6ca1\u6709\u660e\u663e\u7684\u6d3b\u5ea6\u8870\u51cf\u3002\u7814\u7a76\u8005\u4eec\u7684\u6210\u679c\u4e3a\u5b9e\u73b0\u5bf9\u9ad8\u6548\u3001\u7ecf\u6d4e\u7684\u7eb3\u7c73\u50ac\u5316\u5242\u590d\u6742\u7ed3\u6784\u7684\u7cbe\u786e\u8c03\u63a7\u63d0\u4f9b\u4e86\u4e00\u4e2a\u65b0\u7684\u601d\u8def\u65b9\u6cd5\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Phase and Composition Tuning of 1D Platinum-Nickel Nanostructures for Highly Efficient Electrocatalysis<\/a> (Adv. Funct. Mater. ,2017, DOI: 10.1002\/adfm.201700830)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u6731\u559c\u6708\u7f16\u8bd1\uff0c\u5468\u68a6\u9752\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n
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