{"id":84129,"date":"2017-05-31T06:30:52","date_gmt":"2017-05-30T22:30:52","guid":{"rendered":"\/\/m.iemloyee.com\/?p=84129"},"modified":"2017-05-30T17:36:38","modified_gmt":"2017-05-30T09:36:38","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7angew-chem-int-ed-%ef%bc%9a%e6%b0%a7%e8%bf%98%e5%8e%9f%e5%92%8c%e6%b0%a7%e6%9e%90%e5%87%ba%e5%8f%8c%e5%8a%9f%e8%83%bd%e6%9d%82%e5%8c%96%e7%94%b5%e5%82%ac%e5%8c%96","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=84129","title":{"rendered":"\u4e2d\u79d1\u5927Angew. Chem. Int. Ed.\uff1a\u6c27\u8fd8\u539f\u548c\u6c27\u6790\u51fa\u53cc\u529f\u80fd\u6742\u5316\u7535\u50ac\u5316\u5242\u2014\u6c27\u5316\u94b4\u7eb3\u7c73\u7c92\u5b50\/B,N\u63ba\u6742\u77f3\u58a8\u70ef"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u4e3a\u4e86\u5e94\u5bf9\u65e5\u76ca\u52a0\u5267\u7684\u73af\u5883\u6c61\u67d3\u548c\u7531\u4e8e\u5316\u77f3\u71c3\u6599\u67af\u7aed\u6240\u5bfc\u81f4\u7684\u5168\u7403\u6027\u80fd\u6e90\u5371\u673a\u7b49\u95ee\u9898\uff0c\u7814\u7a76\u4eba\u5458\u6b63\u5728\u52aa\u529b\u5bfb\u6c42\u4e00\u79cd\u65b0\u578b\u7684\u53ef\u66ff\u4ee3\u80fd\u6e90\u8f6c\u6362\u548c\u5b58\u50a8\u7cfb\u7edf\uff0c\u5982\u71c3\u6599\u7535\u6c60\uff0c\u7535\u89e3\u6c34\u548c\u91d1\u5c5e-\u7a7a\u6c14\u7535\u6c60\u7b49\u3002\u6790\u6c27\uff08OER\uff09\u548c\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u88ab\u8ba4\u4e3a\u662f\u53ef\u518d\u751f\u80fd\u6e90\u6280\u672f\u4e2d\u4e24\u4e2a\u5173\u952e\u7684\u9633\u6781\/\u9634\u6781\u53cd\u5e94\u8fc7\u7a0b\u3002\u7136\u800c\uff0cORR\u548cOER\u53cd\u5e94\u8fc7\u7a0b\u5747\u8f83\u4e3a\u590d\u6742\uff0c\u8be5\u8fc7\u7a0b\u6d89\u53ca\u591a\u7535\u5b50\u8f6c\u79fb\uff0c\u56e0\u800c\u53d7\u53cd\u5e94\u52a8\u529b\u5b66\u7684\u9650\u5236\uff0c\u9700\u8981\u5f88\u9ad8\u7684\u8fc7\u7535\u4f4d\uff0c\u624d\u80fd\u4fc3\u4f7f\u53d1\u5e94\u8fdb\u884c\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u9ad8\u50ac\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u4f18\u826f\u7684\u53cc\u529f\u80fd\u7535\u50ac\u5316\u5242\uff0c\u5bf9\u4e8e\u63d0\u9ad8\u6b64\u7c7b\u7535\u5316\u5b66\u8bbe\u5907\u7684\u6574\u4f53\u6548\u7387\u800c\u8a00\u5f02\u5e38\u5173\u952e\u3002<\/p>\n

\u5982\u4eca\uff0c\u8d35\u91d1\u5c5e\u6750\u6599\uff0c\u5982Ru\u548cIr\uff0c\u5e38\u4f5c\u4e3a\u6790\u6c27\u53cd\u5e94\uff08OER\uff09\u7684\u50ac\u5316\u5242\uff0c\u800c\u8d35\u91d1\u5c5e\u94c2\u548c\u94c2\u57fa\u6750\u6599\u5bf9\u4e8e\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u800c\u8a00\uff0c\u662f\u6700\u6709\u6548\u7684\u50ac\u5316\u5242\u3002\u7136\u800c\uff0c\u8d35\u91d1\u5c5e\u50ac\u5316\u5242\u6210\u672c\u9ad8\u3001\u7a33\u5b9a\u6027\u5dee\uff0c\u56e0\u6b64\uff0c\u8feb\u5207\u9700\u8981\u5f00\u53d1\u4f4e\u6210\u672c\u7684\u66ff\u4ee3\u54c1\uff0c\u4f5c\u4e3a\u6c27\u8fd8\u539f\u548c\u6c27\u6790\u51fa\u8fc7\u7a0b\u7684\u9ad8\u6548\u53cc\u529f\u80fd\u7535\u50ac\u5316\u5242\u3002<\/p>\n

\u94b4\u57fa\u6750\u6599\uff08\u7279\u522b\u662f\u6c27\u5316\u94b4\uff09\u7531\u4e8e\u5176\u826f\u597d\u7684\u7a33\u5b9a\u6027\u548c\u72ec\u7279\u7684\u4e09\u7535\u5b50\u7ed3\u6784\u800c\u500d\u53d7\u5173\u6ce8\u3002\u7136\u800c\uff0c\u7531\u4e8e\u672c\u5f81\u7535\u5bfc\u7387\u4e0d\u8db3\u548c\u81ea\u805a\u96c6\uff0c\u94b4\u6c27\u5316\u7269\u5728\u4f5c\u4e3aORR\u6216OER\u7684\u7535\u50ac\u5316\u5242\u65f6\uff0c\u50ac\u5316\u6d3b\u6027\u4e00\u822c\u8f83\u4f4e\u3002\u901a\u8fc7\u4e0e\u9ad8\u5bfc\u7535\u6027\u7684\u78b3\u6750\u6599\u590d\u5408\uff0c\u5982\u77f3\u58a8\u70ef\u6216\u78b3\u7eb3\u7c73\u7ba1\u548c\u91d1\u5c5e\u6c27\u5316\u7269\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7535\u8377\u7684\u4f20\u8f93\u80fd\u529b\u548c\u589e\u52a0\u6709\u6548\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u4ece\u800c\u63d0\u9ad8\u50ac\u5316\u6d3b\u6027\u3002\u7136\u800c\uff0c\u590d\u5408\u754c\u9762\u7531\u4e8e\u7f3a\u4e4f\u8fde\u63a5\u78b3\u6750\u6599\u548c\u6c27\u5316\u94b4\u4e4b\u95f4\u7684\u6865\u63a5\u952e\uff0c\u56e0\u800c\u5236\u7ea6\u4e86\u754c\u9762\u5904\u7684\u7535\u5b50\u8f6c\u79fb\uff0c\u4ece\u800c\u5927\u5927\u9650\u5236\u590d\u5408\u7535\u5242\u7684\u50ac\u5316\u6027\u80fd\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u5434\u957f\u5f81\u6559\u6388<\/strong>\u5728Angew. Chem. Int. Ed.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cA Bifunctional Hybrid Electrocatalyst for Oxygen Reduction and Evolution: Cobalt Oxide Nanoparticles Strongly Coupled to B,N-Decorated Graphene<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u5728\u8be5\u6587\u4e2d\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u4e86\u4e00\u4e2a\u5f3a\u8026\u5408\u5bcc\u6c27\u7a7a\u4f4d\u7684\u6742\u5316\u7406\u5ff5\uff0c\u5373\u5236\u5907\u6c27\u5316\u94b4\u7eb3\u7c73\u7c92\u5b50\/B\uff0cN\u77f3\u58a8\u70ef\u6742\u5316\u7269\uff08CoOx<\/sub> NPs\/BNG\uff09\u3002\u8fd9\u79cd\u65b0\u6750\u6599\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u53cc\u529f\u80fd\uff08OER\/ORR\uff09\u7535\u50ac\u5316\u5242\uff0c\u8be5\u6750\u6599\u8868\u73b0\u51fa\u4e86\u5927\u4e3a\u589e\u5f3a\u7684\u7535\u5b50\u8f6c\u79fb\u80fd\u529b\u548c\u5927\u91cf\u7684Co-N-C\u6d3b\u6027\u4f4d\u70b9\u3002\u5728\u4f5c\u4e3a\u6790\u6c27\u53cd\u5e94\u50ac\u5316\u5242\u65f6\uff0c\u8be5\u6750\u6599\u8868\u73b0\u51fa\u4e86\u4f18\u5f02\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a10 mAcm-2<\/sup>\u65f6\uff0c\u5177\u6709295 mV\u7684\u4f4e\u8fc7\u7535\u4f4d\u548c805 mA\u7684\u6b63\u534a\u6ce2\u7535\u52bf\uff0c\u63a5\u8fd1\u4e8e\u5546\u7528Pt\/C\u7684\u8868\u73b0\u3002\u8be5\u9879\u5de5\u4f5c\u6709\u5229\u4e8e\u4fc3\u8fdb\u975e\u8d35\u91d1\u5c5e\u6742\u5316\u6750\u6599\u5728\u53cc\u529f\u80fdORR\/OER\u7535\u50ac\u5316\u5242\u5e94\u7528\u4e2d\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong>1. <\/strong>\u6c27\u5316\u94b4\u7eb3\u7c73\u7c92\u5b50<\/strong>\/B<\/strong>\uff0c<\/strong>N<\/strong>\u77f3\u58a8\u70ef\u6742\u5316\u7269\uff08<\/strong>CoOx<\/sub> NPs\/BNG<\/strong>\uff09\u7684\u5236\u5907\u548c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a) <\/strong>\u5728B,N\u63ba\u6742\u77f3\u58a8\u70ef\u4e0a\uff0c\u5236\u5907\u5bcc\u6c27\u7a7a\u4f4dCoOx<\/sub>\u7eb3\u7c73\u7c92\u5b50\uff0c\u5f97\u5230\u590d\u5408\u6750\u6599\u7684\u8fc7\u7a0b\u793a\u610f\u56fe\uff1b<\/p>\n

b-e) <\/strong>CoOx<\/sub> NPs\/BNG\u7684XRD\u3001SEM\u3001TEM\u3001HRTEM\u56fe\uff1b<\/p>\n

\u56fe<\/strong>2.CoOx<\/sub> NPs\/BNG<\/strong>\u7684<\/strong>XPS<\/strong>\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

a-d) <\/strong>CoOx<\/sub> NPs\/BNG\u7684XPS\u8868\u5f81\uff1aa) Co 2p, b) O 1s, c) B 1s, d) N 1s\u3002<\/p>\n

\u56fe<\/strong>3.FT-EXAFS<\/strong>\u548c<\/strong>EXAFS<\/strong>\u5149\u8c31<\/strong><\/p>\n

\"\"<\/p>\n

a)<\/strong> \u6807\u51c6CoO\u548cCo4<\/sub>N\uff0c\u4ee5\u53caCoOx<\/sub> NPs\/BNG\u7684FT-EXAFS\u56fe\u8c31\uff1b<\/p>\n

b)<\/strong> CoOx<\/sub> NPs\/BNG\u7684FT-EXAFS\u62df\u5408\u7ed3\u679c\uff1b<\/p>\n

c-d)<\/strong> CoOx<\/sub> NPs\/BNG \u4e2dC\u3001N\u5143\u7d20\u7684K\u8fb9\u7f18XANES\u56fe\u8c31\uff1b<\/p>\n

e)<\/strong> CoOx<\/sub> NPs\/BNG \u6837\u54c1\u4e2d\uff0c\u5438\u9644Co\u539f\u5b50\u5468\u56f4\u524d\u4e24\u5c42Co-O\/N\u548cCo-Co\u7684\u62df\u5408\u7ed3\u679c\uff1b<\/p>\n

\u56fe<\/strong>4.<\/strong>\u7535\u50ac\u5316\u5242\u7684\u6c27\u8fd8\u539f\uff08<\/strong>ORR<\/strong>\uff09\u6d3b\u6027\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

a)<\/strong> CoOx<\/sub> NPs\/BNG, NG, Co-Bi\/G, \u548c \u5546\u7528Pt\/C\u7684\u6c27\u8fd8\u539f\u6781\u5316\u66f2\u7ebf\uff0c\u6d4b\u8bd5\u6761\u4ef6\u4e3a 1mol\/L\u7684KOH\u6eb6\u6db2\uff1b<\/p>\n

b)<\/strong> \u4e0d\u540c\u626b\u63cf\u901f\u7387\u4e0b\uff0cCoOx<\/sub> NPs\/BNG\u7684\u6c27\u8fd8\u539f\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

c)<\/strong> \u4e0d\u540c\u50ac\u5316\u5242\u7684\u7535\u5316\u5b66\u963b\u6297\u8c31\u7684\u5948\u594e\u65af\u7279\u56fe\uff1b<\/p>\n

d)<\/strong> \u57281mol\/L\u7684KOH\u6eb6\u6db2\u4e2d\uff0cCoOx<\/sub> NPs\/BNG\u57286000 CV\u5faa\u73af\u524d\u540e\u7684\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

\u56fe<\/strong>5. <\/strong>\u7535\u50ac\u5316\u5242\u7684\u6c27\u6790\u51fa\uff08<\/strong>OER<\/strong>\uff09\u6d3b\u6027\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/p>\n

a-b)<\/strong> \u57280.1mol\/L\u7684KOH\u6eb6\u6db2\u4e2d\uff0cCoOx<\/sub> NPs\/BNG, NG, Co-Bi\/G, and Pt\/C\u7684OER\u6781\u5316\u66f2\u7ebf\u53ca\u5bf9\u5e94\u5854\u83f2\u5c14\u66f2\u7ebf\uff1b<\/p>\n

c)<\/strong> CoOx<\/sub> NPs\/BNG, NG, \u548cj=10 mAcm-2<\/sup>\u4e0bCo-Bi\/G\u7684\u8fc7\u7535\u52bf\u548c\u5854\u83f2\u5c14\u659c\u7387\u7684\u6bd4\u8f83\uff1b<\/p>\n

d)<\/strong>1mol\/L\u7684KOH\u6eb6\u6db2\u4e2d\uff0c\u5728\u73af\u7535\u4f4d\u4e3a0.45V\u7684\u65cb\u8f6c\u73af\u76d8\u7535\u6781\uff081600\u8f6c\uff09\u4e0a\uff0cCoOx<\/sub> NPs\/BNG\u7684\u73af\u7535\u6d41\u6d4b\u8bd5\uff1b\uff1b<\/p>\n

e)<\/strong> CoOx<\/sub> NPs\/BNG\u57283000CV\u5faa\u73af\u524d\u540e\u7684\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

f)<\/strong>1mol\/L\u7684KOH\u6eb6\u6db2\u4e2d\uff0c\u5728ORR\u548cOER\u533a\u57df\u4e2d\u5168\u90e8\u7684\u6837\u54c1\u7684\u6574\u4f53\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u00a0\u5728\u672c\u6587\u4e2d\uff0c\u5f3a\u8026\u5408CoOx<\/sub> NPs\/BNG\u6742\u5316\u6750\u6599\u9996\u6b21\u5408\u6210\uff0c\u5e76\u4f5c\u4e3a\u4e00\u79cd\u65b0\u578b\u7684\u7406\u60f3OER\/ORR\u53cc\u529f\u80fd\u7535\u50ac\u5316\u5242\u3002\u5b9e\u9a8c\u7ed3\u8bba\u8868\u660e\u5728CoOx<\/sub> NPs\u548cB,N\u63ba\u6742\u77f3\u58a8\u70ef\u7247\u4e4b\u95f4\uff0c\u5b58\u5728\u5927\u91cf\u7684 Co-N-C\u79cd\u7c7b\u4f5c\u4e3a\u5f3a\u6865\u952e\uff0c\u964d\u4f4e\u4e86\u754c\u9762\u7535\u963b\uff0c\u4fc3\u8fdb\u4e86\u7535\u5b50\u7684\u8fd0\u8f93\u3002\u5927\u91cf\u7684\u6c27\u7a7a\u4f4d\u548c Co-N-C\u79cd\u7c7b\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u589e\u5f3a\u4e86\u7535\u5b50\u8f6c\u79fb\u7684\u80fd\u529b\uff0c\u4ee5\u53ca\u5f3a\u534f\u540c\u8026\u5408\u6548\u5e94\u3002\u83b7\u5f97\u7684\u6742\u5316\u50ac\u5316\u5242\u5728\u78b1\u6027\u6761\u4ef6\u4e0b\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u53cc\u529f\u80fdOER\/ORR\u7535\u50ac\u5316\u6d3b\u6027\uff0c\u8fd9\u9879\u5de5\u4f5c\u5c06\u4fc3\u8fdb\u975e\u8d35\u91d1\u5c5e\u6742\u5316\u6750\u6599\u5728\u53cc\u529f\u80fdORR\/OER\u7535\u50ac\u5316\u5242\u4e2d\u7684\u8fdb\u4e00\u6b65\u5e94\u7528\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>A Bifunctional Hybrid Electrocatalyst for Oxygen Reduction and Evolution: Cobalt Oxide Nanoparticles Strongly Coupled to B,N-Decorated Graphene<\/a>\uff08Angew. Chem. Int. Ed., 2017, DOI: 10.1002\/anie.201702430\uff09<\/p>\n

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\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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