{"id":252989,"date":"2023-07-18T06:43:26","date_gmt":"2023-07-17T22:43:26","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=252989"},"modified":"2023-07-17T20:51:22","modified_gmt":"2023-07-17T12:51:22","slug":"%e6%b5%99%e5%b7%a5%e5%a4%a7%e9%ab%98%e4%ba%91%e8%8a%b3-%e9%98%bf%e5%be%b7%e8%8e%b1%e5%be%b7%e5%a4%a7%e5%ad%a6%e6%9d%8e%e6%98%8a%e5%8d%9a-%e5%86%85%e8%92%99%e5%8f%a4%e5%a4%a7%e5%ad%a6%e5%bc%a0%e6%b1%9f","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=252989","title":{"rendered":"\u6d59\u5de5\u5927\u9ad8\u4e91\u82b3\/\u963f\u5fb7\u83b1\u5fb7\u5927\u5b66\u674e\u660a\u535a\/\u5185\u8499\u53e4\u5927\u5b66\u5f20\u6c5f\u5a01Small\uff1a\u57fa\u4e8e\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u950c-\u7a7a\u6c14\u7535\u6c60\u6027\u80fd\u7814\u7a76\u53d6\u5f97\u65b0\u8fdb\u5c55"},"content":{"rendered":"

\u3010\u5bfc\u8bfb\u3011\u00a0 <\/strong><\/p>\n

\u950c-\u7a7a\u6c14\u7535\u6c60\u4f5c\u4e3a\u73af\u5883\u53cb\u597d\u3001\u4ef7\u683c\u4f4e\u5ec9\u3001\u5b89\u5168\u6027\u9ad8\u7684\u7eff\u8272\u7535\u6c60\uff0c\u5728\u7535\u5316\u5b66\u50a8\u80fd\u6280\u672f\u9886\u57df\u4e2d\u5360\u6709\u91cd\u8981\u7684\u5730\u4f4d\u3002\u7136\u800c\uff0c\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u7684\u7f13\u6162\u52a8\u529b\u5b66\u901f\u7387\u3001\u9ad8\u53cd\u5e94\u8fc7\u7535\u52bf\uff0c\u6210\u4e3a\u5236\u7ea6\u950c-\u7a7a\u6c14\u7535\u6c60\u53d1\u5c55\u7684\u74f6\u9888\u3002\u6c2e\u63ba\u6742\u78b3\u8f7d\u4f53\u9650\u57df\u5355\u539f\u5b50\u91d1\u5c5e\u50ac\u5316\u5242\uff08M-N-C\uff09\uff0c\u7531\u4e8e\u5176\u7ed3\u6784\u591a\u6837\u6027\u3001\u7535\u5b50\u7279\u6027\u72ec\u7279\u3001\u914d\u4f4d\u7ed3\u6784\u4e30\u5bcc\u7b49\u7279\u70b9\uff0c\u4f5c\u4e3a\u66ff\u4ee3\u8d35\u91d1\u5c5ePt\u7c7b\u50ac\u5316\u5242\u8868\u73b0\u51fa\u660e\u663e\u7684\u4f18\u52bf\u3002M-N-C\u50ac\u5316\u5242\u7684\u672c\u5f81\u7535\u50ac\u5316\u6d3b\u6027\u4f9d\u8d56\u4e8e\u50ac\u5316\u6d3b\u6027\u4e2d\u5fc3\u7684\u7535\u5b50\u7279\u6027\u3002\u901a\u8fc7\u8c03\u8282\u6d3b\u6027\u4e2d\u5fc3\u7684\u91d1\u5c5e\u7269\u79cd\u3001N\u539f\u5b50\u914d\u4f4d\u6570\u3001\u78b3\u8f7d\u4f53\u7ed3\u6784\uff0c\u53ef\u4ee5\u6709\u6548\u8c03\u53d8\u53cd\u5e94\u7269\u548c\u4e2d\u95f4\u7269\u79cd\u7684\u5438\u8131\u9644\u4ee5\u53ca\u6d3b\u5316\u673a\u7406\uff0c\u4ece\u800c\u6539\u53d8ORR\u7535\u50ac\u5316\u6027\u80fd\u3002\u5173\u4e8e\u201c\u5355\u539f\u5b50\u91d1\u5c5e\u4e2d\u5fc3\u2014\u914d\u4f4d\u73af\u5883\u2014ORR\u50ac\u5316\u6d3b\u6027\u201d\u4e4b\u95f4\u7684\u6784\u6548\u5173\u7cfb\u8fd8\u6ca1\u6709\u88ab\u7cfb\u7edf\u5730\u7814\u7a76\u548c\u62a5\u9053\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66\u5316\u5b66\u5de5\u7a0b\u5b66\u9662\u9ad8\u4e91\u82b3\u6559\u6388\u56e2\u961f\u4e0e\u6fb3\u5927\u5229\u4e9a\u963f\u5fb7\u83b1\u5fb7\u5927\u5b66\u674e\u660a\u535a\u3001\u5185\u8499\u53e4\u5927\u5b66\u5f20\u6c5f\u5a01\u6559\u6388\u5408\u4f5c\uff0c\u4ee5\u7535\u5b50\u7ed3\u6784\u8c03\u53d8\u4e3a\u5411\u5bfc\uff0c\u4ece\u7406\u8bba\u548c\u5b9e\u9a8c\u89d2\u5ea6\u5206\u522b\u63a2\u7a76\u4e86\u4e00\u7cfb\u5217\u4e09\u7ef4\u4e2d\u7a7a\u78b3\u7403\u9650\u57df\u5355\u539f\u5b50M-N (M = Cu, Mn, Ni)\u50ac\u5316\u5242\u7684ORR\u6d3b\u6027<\/strong>\u3002DFT\u8ba1\u7b97\u7814\u7a76\u8868\u9762\uff0cCu-N4<\/sub>\u7684ORR\u52a8\u529b\u5b66\u4f18\u4e8eMn-N4<\/sub>\u548cNi-N4<\/sub>\u3002\u8fdb\u4e00\u6b65\u8c03\u53d8Cu\u4e2d\u5fc3\u7684\u7535\u5b50\u7279\u6027\uff0c\u53d1\u73b0\u968f\u7740Cu\u539f\u5b50\u5468\u56f4N\u914d\u4f4d\u6570\u7684\u964d\u4f4e\uff084\u21922\uff09\uff0c\u7535\u5b50\u6001\u5bc6\u5ea6\u589e\u5f3a\uff0c\u5176ORR\u6d3b\u6027\u9010\u6b65\u5347\u9ad8\u3002\u5f97\u5229\u4e8e\u4e09\u7ef4\u4e2d\u7a7a\u78b3\u7403\u7684\u7a7a\u95f4\u9650\u57df\u7279\u6027<\/strong>\uff0c\u78b3\u7403\u9650\u57df\u7684Cu-Nx<\/sub>\u8868\u73b0\u51fa\u9ad8\u4e8e\u4e8c\u7ef4\u77f3\u58a8\u70ef\u9650\u57dfCu-Nx<\/sub>\u7684ORR\u50ac\u5316\u6d3b\u6027\u3002\u540c\u65f6\u8be5\u50ac\u5316\u5242\u5728\u950c-\u7a7a\u6c14\u7535\u6c60\u4e2d\u4e5f\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u7535\u6c60\u6027\u80fd\uff0c\u7535\u6c60\u7684\u6700\u9ad8\u529f\u7387\u5bc6\u5ea6\u53ef\u8fbe244.7 mW cm-2<\/sup>\uff0c\u76f8\u5f53\u4e8e1.1 kW gCu-1<\/sup>\u3002<\/p>\n

\u76f8\u5173\u6210\u679c\u4ee5\u201cAtomic Engineering Modulates Oxygen Reduction of Hollow Carbon Matrix Confined Single Metal-Nitrogen Sites for Zinc-Air Batteries\u201d\u4e3a\u9898\u53d1\u8868\u4e8e\u56fd\u9645\u520a\u7269Small<\/em><\/strong>\u3002\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\u4e3a\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66\u6b66\u6d77\u534e\u535a\u58eb\u548c\u535a\u58eb\u751f\u5f90\u65b0\uff0c\u901a\u8baf\u4f5c\u8005\u4e3a\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66\u9ad8\u4e91\u82b3\u6559\u6388\u3001\u6fb3\u5927\u5229\u4e9a\u963f\u5fb7\u83b1\u5fb7\u5927\u5b66\u674e\u660a\u535a\u535a\u58eb\u3001\u5185\u8499\u53e4\u5927\u5b66\u5f20\u6c5f\u5a01\u6559\u6388\u3002<\/p>\n

\"\"<\/p>\n

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

1.\u5229\u7528\u5355\u5b81\u9178\u72ec\u7279\u7684\u5927\u5206\u5b50\u7ed3\u6784\u548c\u9178\u6027\u6027\u8d28\uff0c\u6210\u529f\u91c7\u7528\u523b\u8680-\u4fdd\u62a4\u534f\u540c\u4f5c\u7528\u5236\u5907\u51fa\u4e00\u7cfb\u5217\u4e09\u7ef4\u4e2d\u7a7a\u8fd1\u4f3c\u78b3\u7403\u9650\u57df\u5355\u539f\u5b50M-N (M = Cu, Mn, Ni)\u50ac\u5316\u5242\u3002<\/p>\n

2.\u901a\u8fc7\u7406\u8bba\u6a21\u62df\u548c\u5b9e\u9a8c\u8bc1\u5b9e\uff0c\u9610\u8ff0\u4e86\u201c\u5355\u539f\u5b50\u91d1\u5c5e\u4e2d\u5fc3\u2014\u914d\u4f4d\u73af\u5883\u2014ORR\u50ac\u5316\u6d3b\u6027\u201d\u4e4b\u95f4\u7684\u6784\u6548\u5173\u7cfb\uff0c\u4ee5\u53ca\u4e09\u7ef4\u7a7a\u95f4\u9650\u57df\u4f5c\u7528\u76f8\u5bf9\u4e8e\u4e8c\u7ef4\u5e73\u9762\u7684\u4f18\u8d8a\u6027\u3002<\/p>\n

3.\u4ece\u539f\u5b50\u548c\u7535\u5b50\u6c34\u5e73\u5b9e\u73b0\u4e86\u50ac\u5316\u6d3b\u6027\u4f4d\u70b9\u7684\u6d3b\u6027\u8c03\u53d8\u3002<\/p>\n

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

\"\"<\/p>\n

\u56fe1\u00a0 \u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u6a21\u62df\u7814\u7a76<\/strong><\/p>\n

(a) Mn\/Ni\/Cu-N4<\/sub>\u00a9HCS\u50ac\u5316\u5242\u4e0aORR\u8fc7\u7a0b\u7684\u81ea\u7531\u80fd\u56fe\u3002(b) *OH\u548c*OOH\u7684\u5438\u9644\u81ea\u7531\u80fd\u4e0eORR\u6d3b\u6027\u706b\u5c71\u578b\u66f2\u7ebf\u5173\u7cfb\u3002(c) Cu-Nx<\/sub><\/em>\u00a9HCS\u548cCu-Nx<\/sub><\/em>\u00a92D\u50ac\u5316\u5242\u7684ORR\u53cd\u5e94\u8def\u5f84\u56fe\uff0cx = 2,3,4\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2\u00a0 \u50ac\u5316\u5242\u5236\u5907\u6d41\u7a0b\u56fe<\/strong>\u00a0<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe3\u00a0 Cu-N\u00a9HCS\u50ac\u5316\u5242\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

(a,b) SEM\u56fe\u3002(c) TEM\u56fe\u3002(d) HAADF-STEM\u56fe\u3002(e)\u7403\u5dee\u6821\u6b63HAADF-STEM\u56fe\u3002(f) EDS\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n

\"\"<\/p>\n

\u00a0<\/strong>\u56fe4\u00a0 \u50ac\u5316\u5242\u5355\u539f\u5b50\u7ed3\u6784\u5206\u6790<\/strong><\/p>\n

(a) Cu-N\u00a9HCS\u548cCu(II)Pc\u7684Cu 2p XPS\u56fe\u3002Cu-N\u00a9HCS\u7684Cu k-\u8fb9(b) XANES\u56fe\u548c(c)\u5085\u91cc\u53f6\u53d8\u6362K3<\/sup>\u6743\u91cd\u03c7(k) EXAFS\u56fe\u3002(d) Cu-N\u00a9HCS\u3001(e) Cu(II)Pc\u4e0e(f)Cu\u7b94\u7684\u4e09\u7ef4\u6ce2\u5f62WTEXAFS\u56fe\u3002<\/p>\n

\"\"<\/p>\n

\u56fe5\u00a0 \u50ac\u5316\u5242ORR\u7535\u50ac\u5316\u6d3b\u6027\u5206\u6790<\/strong><\/p>\n

\u4e0d\u540cM-N\u00a9HCS \u50ac\u5316\u5242\u7684(a) ORR\u6781\u5316\u66f2\u7ebf\uff0c(b)\u5854\u83f2\u5c14\u66f2\u7ebf\uff0c(c)\u534a\u6ce2\u7535\u4f4d\u548c\u52a8\u529b\u5b66\u7535\u6d41\u5bc6\u5ea6\uff0c(d) 0.80 V\u4e0b\u7684\u8d28\u91cf\u6d3b\u6027\u548c\u8f6c\u6362\u9891\u7387\uff0c(e)\u7535\u5b50\u8f6c\u79fb\u6570\u548cHO2<\/sub>—<\/sup>\u4ea7\u7387\u3002(f) Cu-N\u00a9HCS\u5728\u4e0d\u540c\u8f6c\u901f\u4e0b\u7684ORR\u6781\u5316\u66f2\u7ebf\u3002<\/p>\n

\"\"<\/p>\n

\u00a0<\/strong>\u56fe6\u00a0 \u950c-\u7a7a\u6c14\u7535\u6c60\u6027\u80fd<\/strong><\/p>\n

M-N\u00a9HCS\u548cN\u00a9HCS\u50ac\u5316\u5242\u5728\u950c-\u7a7a\u7535\u6c60\u4e2d\u7684(a)\u653e\u7535\u6781\u5316\u66f2\u7ebf\u548c(b)\u76f8\u5e94\u7684\u529f\u7387\u5bc6\u5ea6\u66f2\u7ebf\u3002Cu-N\u00a9HCS \u5728\u950c-\u7a7a\u6c14\u7535\u6c60\u4e2d\u7684(c)\u8ba1\u65f6\u7535\u538b\u66f2\u7ebf\u548c(d)\u70b9\u4eaeLED\u663e\u793a\u5c4f\u793a\u610f\u56fe\u3002\u00a0<\/strong><\/p>\n

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

\u672c\u6587\u63ed\u793a\u4e86\u4e09\u7ef4\u4e2d\u7a7a\u78b3\u57fa\u4f53\u9650\u57df\u5355\u539f\u5b50M-N-C\u7c7b\u50ac\u5316\u5242\u5728\u7535\u50ac\u5316ORR\u4e2d\u7684\u6784\u6548\u5173\u7cfb\uff0c\u4e3a\u5176\u4ed6\u7535\u50ac\u5316\u5242\u901a\u8fc7\u539f\u5b50\u4e0e\u7a7a\u95f4\u5de5\u7a0b\u5408\u7406\u8bbe\u8ba1\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5<\/strong>\uff1a<\/p>\n

https:\/\/doi.org\/10.1002\/smll.202301327<\/a><\/p>\n

\u672c\u6587\u7531\u6b66\u6d77\u534e\u4f9b\u7a3f<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5bfc\u8bfb\u3011\u00a0 \u950c-\u7a7a\u6c14\u7535\u6c60\u4f5c\u4e3a\u73af\u5883\u53cb\u597d\u3001\u4ef7\u683c\u4f4e\u5ec9\u3001\u5b89\u5168\u6027\u9ad8\u7684\u7eff\u8272\u7535\u6c60\uff0c\u5728\u7535\u5316\u5b66\u50a8\u80fd\u6280\u672f\u9886\u57df\u4e2d\u5360\u6709\u91cd\u8981\u7684\u5730\u4f4d\u3002\u7136\u800c\uff0c\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u7684\u7f13\u6162\u52a8\u529b\u5b66\u901f\u7387\u3001\u9ad8\u53cd\u5e94…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-252989","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/252989"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=252989"}],"version-history":[{"count":3,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/252989\/revisions"}],"predecessor-version":[{"id":252999,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/252989\/revisions\/252999"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=252989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=252989"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=252989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}