{"id":190056,"date":"2019-11-15T08:11:06","date_gmt":"2019-11-15T00:11:06","guid":{"rendered":"\/\/m.iemloyee.com\/?p=190056"},"modified":"2019-11-15T08:29:26","modified_gmt":"2019-11-15T00:29:26","slug":"%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0%e6%9c%80%e6%96%b0science%ef%bc%9a%e6%9d%9f%e7%8a%b6pt-ni%e5%90%88%e9%87%91%e7%ba%b3%e7%b1%b3%e7%ac%bc%e7%bb%a7%e7%bb%ad%e6%8f%90%e5%8d%87%e9%ab%98%e6%95%88orr","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=190056","title":{"rendered":"\u71c3\u6599\u7535\u6c60\u6700\u65b0Science\uff1a\u675f\u72b6Pt-Ni\u5408\u91d1\u7eb3\u7c73\u7b3c\u7ee7\u7eed\u63d0\u5347\u9ad8\u6548ORR\u6027\u80fd"},"content":{"rendered":"<p><strong><b>\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n<p>\u94c2\uff08Pt\uff09\u662f\u71c3\u6599\u7535\u6c60\u548c\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u4e2d\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u6700\u6d3b\u8dc3\u7684\u7535\u50ac\u5316\u5242\uff0c\u5177\u6709\u826f\u597d\u7684\u7a33\u5b9a\u6027\u3002\u7136\u800c\uff0c\u76ee\u524d\u6700\u5148\u8fdb\u7684Pt\u50ac\u5316\u5242\u5728\u6210\u672c\u548c\u53ef\u83b7\u5f97\u6027\u65b9\u9762\u4ecd\u7136\u7f3a\u4e4f\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u3002\u5229\u7528\u7eb3\u7c73Pt\u5408\u91d1\u7684\u8fd1\u8868\u9762\u7ec4\u6210\u6765\u63d0\u9ad8Pt\u57fa\u7535\u50ac\u5316\u5242\u7684\u7535\u50ac\u5316\u6027\u80fd\u662f\u4e00\u79cd\u5f88\u6709\u524d\u9014\u7684\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u66b4\u9732\u5177\u6709\u6700\u4f73\u6027\u80fd\u7684\u9ad8\u6d3b\u6027\u4f4d\u70b9\u3002\u52a0\u5165\u5176\u4ed6\u8fc7\u6e21\u91d1\u5c5e\u53ef\u4ee5\u901a\u8fc7\u914d\u4f53\u548c\u5e94\u53d8\u6548\u5e94\u6539\u53d8Pt-O\u4e2d\u95f4\u4f53\u7684\u7ed3\u5408\u5f3a\u5ea6\u6765\u63d0\u9ad8\u50ac\u5316\u6027\u80fd\u3002\u53e6\u5916\uff0c\u4e00\u7ef4\uff081D\uff09\u7eb3\u7c73\u7ed3\u6784\u53ca\u7ec4\u88c5\u4f53\u7531\u4e8e\u5176\u56fa\u6709\u7684\u5404\u5411\u5f02\u6027\u3001\u66f4\u9ad8\u7684\u67d4\u6027\u548c\u66f4\u9ad8\u7684\u5bfc\u7535\u6027\u800c\u8868\u73b0\u51fa\u66f4\u9ad8\u7684\u7a33\u5b9a\u6027\u3002\u4e00\u7ef4\u7eb3\u7c73\u7ed3\u6784\u7684\u5404\u5411\u5f02\u6027\u4f7f\u5176\u4e0e\u901a\u5e38\u7684\u78b3\u8f7d\u4f53\u6709\u66f4\u5927\u7684\u8868\u9762\u63a5\u89e6\uff0c\u4ece\u800c\u5177\u6709\u66f4\u9ad8\u7684\u7a33\u5b9a\u6027\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u56fa\u6001\u4e00\u7ef4\u7eb3\u7c73\u7ed3\u6784\u4e2d\u542b\u6709\u5927\u91cf\u7684\u8d35\u91d1\u5c5e\uff0c\u8fd9\u9650\u5236\u4e86\u8d35\u91d1\u5c5e\u7684\u5229\u7528\u3002\u4e3a\u6b64\uff0c\u5e94\u5f53\u57fa\u4e8ePt\u7684\u6700\u4f73\u5229\u7528\u6548\u7387\uff08\u591a\u5b54\u7eb3\u7c73\u7ed3\u6784\uff09\uff0c\u4e3aORR\uff08\u5316\u5b66\u5408\u91d1\u5316\uff09\u63d0\u4f9b\u826f\u597d\u7684\u7eb3\u7c73\u7ea7\u5316\u5b66\u73af\u5883\uff0c\u5e76\u5728\u6d3b\u6027\u4f4d\u70b9\u66b4\u9732\u4f18\u5316\u7ed3\u6784\u8bbe\u8ba1Pt\u57fa\u7684\u6700\u4f73ORR\u50ac\u5316\u5242\u3002<\/p>\n<p><strong><b>\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n<p>\u4eca\u65e5\uff0c\u5728<strong><b>\u534e\u4e2d\u79d1\u6280\u5927\u5b66\u590f\u5b9d\u7389\u6559\u6388<\/b><\/strong>\u548c<strong><b>\u5357\u6d0b\u7406\u5de5\u5927\u5b66\u697c\u96c4\u6587<\/b><\/strong><strong><b>\u6559\u6388<\/b><\/strong><strong><b>\u56e2\u961f\uff08<\/b><\/strong><strong><b>\u5171\u540c<\/b><\/strong><strong><b>\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u5e26\u9886\u4e0b\uff0c\u4e0e<strong><b>\u6d77\u5357\u5927\u5b66<\/b><\/strong><strong><b>\u3001<\/b><\/strong><strong><b>\u65e5\u672c\u7535\u6c14\u901a\u4fe1\u5927\u5b66<\/b><\/strong>\u3001<strong><b>\u8377\u5170\u57c3\u56e0\u970d\u6e29\u7406\u5de5\u5927\u5b66\u3001\u5357\u660c\u5927\u5b66\u3001\u5e7f\u4e1c\u5de5\u4e1a\u5927\u5b66<\/b><\/strong>\u548c<strong><b>\u534e\u5357\u7406\u5de5\u5927\u5b66<\/b><\/strong>\u5408\u4f5c\uff0c\u62a5\u9053\u4e86\u4e00\u7ef4\u675f\u72b6\u7684\u94c2-\u954d\uff08Pt-Ni\uff09\u5408\u91d1\u7eb3\u7c73\u7b3c\uff0c\u5177\u6709\u7528\u4e8e\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u7684Pt\u76ae\u7ed3\u6784\uff0c\u5177\u6709\u9ad8\u8d28\u91cf\u6d3b\u6027\uff083.52\u00a0A\/mg<sub>Pt<\/sub>\uff09\u548c\u6bd4\u6d3b\u6027\uff085.16\u00a0mA\/cm<sup>2<\/sup>\uff09 \uff0c\u6bd4\u5e02\u552ePt\/C\u50ac\u5316\u5242\u9ad817\u523014\u500d\u3002\u572850,000\u6b21\u5faa\u73af\u540e\uff0c\u8be5\u50ac\u5316\u5242\u8868\u73b0\u51fa\u9ad8\u7a33\u5b9a\u6027\uff0c\u800c\u6d3b\u6027\u4e0b\u964d\u53ef\u5ffd\u7565\u4e0d\u8ba1\u3002\u5b9e\u9a8c\u7ed3\u679c\u548c\u7406\u8bba\u8ba1\u7b97\u5747\u8868\u660e\uff0c\u7531\u5e94\u53d8\u548c\u914d\u4f53\u6548\u5e94\u5f15\u8d77\u7684\u5f3a\u952e\u94c2-\u6c27\uff08Pt-O\uff09\u4f4d\u70b9\u8f83\u5c11\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u8be5\u50ac\u5316\u5242\u7ec4\u88c5\u7684\u71c3\u6599\u7535\u6c60\u57280.6\u00a0V\u4e0b\u63d0\u4f9b\u4e3a1.5\u00a0A\/cm<sup>2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u5e76\u53ef\u7a33\u5b9a\u8fd0\u884c\u81f3\u5c11180\u5c0f\u65f6\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a<strong><b>\u201c<\/b><\/strong><strong><b>Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells<\/b><\/strong><strong><b>\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86<strong><b>Science<\/b><\/strong>\u4e0a\u3002<\/p>\n<p><strong><b>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n<p><strong><b>\u56fe1<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Pt<\/b><\/strong><strong><sub><b>1.5<\/b><\/sub><\/strong><strong><b>Ni-BNSs\u7684\u7ed3\u6784\u548c\u7ec4\u6210\u8868\u5f81<\/b><\/strong><strong><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-190057\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F1.large_-1.jpg\" alt=\"\" width=\"600\" height=\"627\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F1.large_-1.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F1.large_-1-287x300.jpg 287w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/b><\/strong><\/p>\n<p><strong><b>\u56fe<\/b><\/strong><strong><b>2 \u4ece<\/b><\/strong><strong><b>Pt<\/b><\/strong><strong><sub><b>1.5<\/b><\/sub><\/strong><strong><b>Ni-BNS<\/b><\/strong><strong><b>s\u8680\u523b\u5f97\u5230<\/b><\/strong><strong><b>PtNi-BNCs\u7684\u7ed3\u6784\u548c\u6210\u5206\u8868\u5f81<\/b><\/strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-190058\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F2.large_-1.jpg\" alt=\"\" width=\"600\" height=\"402\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F2.large_-1.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F2.large_-1-300x201.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong><b>\u56fe<\/b><\/strong><strong><b>3 <\/b><\/strong><strong><b>\u5404\u79cdPt<\/b><\/strong><strong><b>\u57fa<\/b><\/strong><strong><b>\u6837\u54c1\u7684\u7535\u5316\u5b66\u548c\u71c3\u6599\u7535\u6c60\u6027\u80fd<\/b><\/strong><strong><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-190059\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F3.large_-1.jpg\" alt=\"\" width=\"600\" height=\"276\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F3.large_-1.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F3.large_-1-300x138.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/b><\/strong><\/p>\n<p><strong><b>\u56fe<\/b><\/strong><strong><b>4 <\/b><\/strong><strong><b>\u5404\u79cd\u50ac\u5316\u5242\u7684\u8010\u4e45\u6027\u80fd<\/b><\/strong><strong><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-190060\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F4.large_-1.jpg\" alt=\"\" width=\"600\" height=\"620\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F4.large_-1.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F4.large_-1-290x300.jpg 290w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/b><\/strong><\/p>\n<p><strong><b>\u56fe<\/b><\/strong><strong><b>5 <\/b><\/strong><strong><b>\u539f\u4f4dXAFS\u548cXANES\u5206\u6790<\/b><\/strong><strong><b><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-190061\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F5.large_.jpg\" alt=\"\" width=\"600\" height=\"454\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F5.large_.jpg 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2019\/11\/F5.large_-300x227.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/b><\/strong><\/p>\n<p><strong><b>\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong><a href=\"https:\/\/science.sciencemag.org\/content\/366\/6467\/850\" target=\"_blank\" rel=\"noopener\"><u>Engineering bunched Pt-Ni alloy nanocages for efficient oxygen reduction in practical fuel cells<\/u><\/a>\uff08Science\uff0c2019\uff0cDOI:10.1126\/science.aaw7493\uff09<\/p>\n<p>\u672c\u6587\u7531<strong><b>\u6728\u6587\u97ec<\/b><\/strong>\u7ffb\u8bd1\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n<p>\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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3010\u5f15\u8a00\u3011 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