{"id":256391,"date":"2023-12-07T06:43:20","date_gmt":"2023-12-06T22:43:20","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=256391"},"modified":"2023-12-06T17:03:08","modified_gmt":"2023-12-06T09:03:08","slug":"%e4%b8%ad%e5%8d%97%e5%a4%a7%e5%ad%a6%e5%bc%a0%e5%ae%81%e6%95%99%e6%8e%88-%e7%94%b5%e5%ad%90%e7%a7%91%e6%8a%80%e5%a4%a7%e5%ad%a6%e6%a2%85%e5%ae%97%e7%bb%b4%e7%a0%94%e7%a9%b6%e5%91%98acb%ef%bc%9a","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=256391","title":{"rendered":"\u4e2d\u5357\u5927\u5b66\u5f20\u5b81\u6559\u6388\/\u7535\u5b50\u79d1\u6280\u5927\u5b66\u6885\u5b97\u7ef4\u7814\u7a76\u5458ACB\uff1a\u5177\u6709\u5f02\u8d28\u6d3b\u6027\u4f4d\u70b9\u7684Cu-Ni\u5408\u91d1\u7eb3\u7c73\u6676\u5b9e\u73b0\u9ad8\u6548\u5c3f\u7d20\u5408\u6210"},"content":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1a\u5468\u94b0\u9f99<\/p>\n<p>\u901a\u8baf\u4f5c\u8005\uff1a\u5f20\u5b81*\uff0c\u6885\u5b97\u7ef4*<\/p>\n<p>\u901a\u8baf\u5355\u4f4d\uff1a\u4e2d\u5357\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u957f\u4e09\u89d2\u7814\u7a76\u9662<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256393\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-3.png\" alt=\"\" width=\"800\" height=\"608\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-3.png 800w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-3-300x228.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-1-3-768x584.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong><b>\u7814\u7a76\u80cc\u666f<\/b><\/strong><\/p>\n<p>\u5c3f\u7d20\uff08CO(NH<sub>2<\/sub>)<sub>2<\/sub>\uff09\u5728\u4eba\u7c7b\u53d1\u5c55\u4e2d\u5360\u636e\u4e86\u4e3e\u8db3\u8f7b\u91cd\u7684\u5730\u4f4d\uff0c\u5176\u4e0d\u53ef\u6216\u7f3a\u7684\u7279\u6027\u4ee5\u53ca\u5e7f\u6cdb\u5e94\u7528\u5728\u5316\u5b66\u9886\u57df\u4e2d\u5747\u6709\u663e\u8457\u4f53\u73b0\u3002\u4f20\u7edf\u5de5\u4e1a\u751f\u4ea7\u5c3f\u7d20\u4e3b\u8981\u4f9d\u8d56\u4e8eHaber-Bosch\u53cd\u5e94\u5408\u6210\u6c28\u6c14(NH<sub>3<\/sub>)\uff0c\u7136\u540e\u8fdb\u884cNH<sub>3<\/sub>\u4e0eCO<sub>2<\/sub>\u7684\u8026\u5408\u53cd\u5e94\u3002\u7136\u800c\uff0c\u6b64\u7c7b\u53cd\u5e94\u901a\u5e38\u9700\u8981\u5728\u4e25\u82db\u7684\u6761\u4ef6\u4e0b\u6301\u7eed\u9ad8\u80fd\u91cf\u8f93\u5165\u624d\u80fd\u5b8c\u6210\u3002\u7535\u50ac\u5316\u5408\u6210\u5c3f\u7d20\u5219\u6210\u4e3a\u4f20\u7edf\u5c3f\u7d20\u5408\u6210\u65b9\u6cd5\u7684\u4e00\u79cd\u5bcc\u6709\u524d\u666f\u7684\u66ff\u4ee3\u9009\u62e9\u3002\u8fd9\u4e00\u65b9\u6cd5\u5177\u6709\u6761\u4ef6\u6e29\u548c\u3001\u80fd\u91cf\u6d88\u8017\u4f4e\u7b49\u4f18\u52bf\u3002\u7279\u522b\u503c\u5f97\u4e00\u63d0\u7684\u662f\uff0c\u901a\u8fc7\u7535\u50ac\u5316C-N\u8026\u5408\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u5c06\u6e29\u5ba4\u6c14\u4f53CO<sub>2<\/sub>\u4ee5\u53ca\u5de5\u4e1a\u5e9f\u6c34\u4e2d\u7684\u785d\u9178\u76d0(NO<sub>3<\/sub><sup>\uff0d<\/sup>)\u8f6c\u5316\u4e3a\u5c3f\u7d20\uff0c\u8fd9\u65e0\u7591\u6709\u52a9\u4e8e\u5b9e\u73b0\u78b3\u4e2d\u6027\u7684\u76ee\u6807\uff0c\u540c\u65f6\u4e5f\u80fd\u6700\u5927\u5316\u5229\u7528\u5e9f\u5f03\u8d44\u6e90\u3002<\/p>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u7535\u50ac\u5316\u5408\u6210\u5c3f\u7d20\u6d89\u53ca\u4e00\u7cfb\u5217\u8fc7\u7a0b\uff0c\u5305\u62ec\u7535\u5316\u5b66CO<sub>2<\/sub>\u548cNO<sub>3<\/sub><sup>\uff0d<\/sup>\u8fd8\u539f\u52a0\u6c22\u8fc7\u7a0b\uff08\u4f8b\u5982\uff0cCO<sub>2<\/sub>\u8fd8\u539f\u4e3a*CO\u3001*NO<sub>x<\/sub>\u8fd8\u539f\u4e3a*NH<sub>x<\/sub>\u3001*CONO\u8fd8\u539f\u4e3a*CONH<sub>x<\/sub>\uff09\uff0c\u4ee5\u53caC-N\u5076\u8054\u8fc7\u7a0b\uff08\u4f8b\u5982\uff0c*NO<sub>2<\/sub>\u4e0e*CO\u53cd\u5e94\u3001*NH<sub>2<\/sub>\u4e0e*CO\u53cd\u5e94\uff09\u3002\u4e3a\u4e86\u5b9e\u73b0\u5c3f\u7d20\u7684\u9ad8\u4ea7\uff0c\u8fd9\u4e9b\u53cd\u5e94\u8fc7\u7a0b\u90fd\u5fc5\u987b\u9ad8\u6548\u8fdb\u884c\u3002\u4e3a\u4e86\u63d0\u9ad8\u5c3f\u7d20\u5408\u6210\u6548\u7387\uff0c\u5df2\u7ecf\u5f00\u53d1\u4e86\u8bb8\u591a\u6750\u6599\uff0c\u5176\u4e2d\u94dc\u88ab\u8ba4\u4e3a\u662f\u4e00\u79cd\u5ec9\u4ef7\u4e14\u9ad8\u6548\u7684\u8fc7\u6e21\u91d1\u5c5e\uff0c\u53ef\u7528\u4e8eCO<sub>2<\/sub>\u548cNO<sub>3<\/sub><sup>\uff0d<\/sup>\u8fd8\u539f\u53cd\u5e94\u3002\u94dc\u539f\u5b50\u80fd\u6709\u6548\u5730\u5438\u9644\u4e8c\u6c27\u5316\u78b3\uff0c\u751f\u6210CO\u548c\u70c3\u7c7b\u7269\u8d28\u3002\u540c\u65f6\uff0c\u94dc\u6750\u6599\u4e5f\u80fd\u5438\u9644\u785d\u9178\u6839\uff0c\u5e76\u8fdb\u4e00\u6b65\u6c22\u5316\u5f62\u6210\u6c28\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u94dc\u6750\u6599\u6765\u8bf4\uff0c\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u5c3f\u7d20\u5408\u6210\u7535\u50ac\u5316\u5242\u4ecd\u5177\u6709\u6311\u6218\u6027\u3002\u8fd9\u4e3b\u8981\u662f\u56e0\u4e3a\u94dc\u6d3b\u6027\u4f4d\u70b9\u4e0d\u80fd\u6ee1\u8db3C-N\u5076\u8054\u53cd\u5e94\u8fc7\u7a0b\uff0c\u4f8b\u5982*NO<sub>2<\/sub>\u4e0e*CO\u6216*NH<sub>2<\/sub>\u4e0e*CO\u7684\u5076\u8054\uff0c\u4ee5\u53ca\u5728*NO<sub>x<\/sub>\u6216*CONO\u4e2d\u95f4\u4f53\u4e0a\u7684\u52a0\u6c22\u8fc7\u7a0b\u3002\u56e0\u6b64\uff0c\u9002\u5f53\u8c03\u6574\u94dc\u57fa\u6750\u6599\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u4ee5\u6ee1\u8db3\u6240\u9700\u7684C-N\u5076\u8054\u53cd\u5e94\u548c\u52a0\u6c22\u53cd\u5e94\u5bf9\u5c3f\u7d20\u5408\u6210\u662f\u975e\u5e38\u5173\u952e\u7684\u3002<\/p>\n<p><strong><b>\u6587\u7ae0\u7b80\u4ecb<\/b><\/strong><\/p>\n<p>\u8fd1\u65e5\uff0c\u6765\u81ea<strong><b>\u4e2d\u5357\u5927\u5b66<\/b><\/strong>\u7684<strong><b>\u5f20\u5b81\u6559\u6388<\/b><\/strong>\u4e0e\u7535\u5b50\u79d1\u6280\u5927\u5b66<strong><b>\u6885\u5b97\u7ef4\u7814\u7a76\u5458<\/b><\/strong>\u5408\u4f5c\uff0c\u5728\u56fd\u9645\u77e5\u540d\u671f\u520aApplied Catalysis B: Environmental\u4e0a\u53d1\u8868\u9898\u4e3a\u201cCu-Ni Alloy Nanocrystals with Heterogenous Active Sites for Efficient Urea Synthesis\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u8be5\u8bba\u6587\u8bbe\u8ba1\u4e86\u4e00\u79cd\u5177\u6709\u5f02\u8d28\u6d3b\u6027\u4f4d\u70b9Cu-Ni\u5408\u91d1\u7eb3\u7c73\u6676\uff0c\u4fc3\u8fdb\u4e86\u7535\u50ac\u5316\u5c3f\u7d20\u5408\u6210\u4e2d\u7684\u6c22\u5316\u53cd\u5e94\u548cC-N\u5076\u8054\u53cd\u5e94\u3002Cu-Ni\u5408\u91d1\u7eb3\u7c73\u6676\u5b9e\u73b0\u4e86\u6700\u9ad8\u7684\u5c3f\u7d20\u6cd5\u62c9\u7b2c\u6548\u738725.1 %\u548c\u5c3f\u7d20\u4ea7\u91cf37.53 \u03bcmolh<sup>-1<\/sup>cm<sup>-1<\/sup>\u3002X\u5c04\u7ebf\u5438\u6536\u5149\u8c31\uff08XAS\uff09\u548cX\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u8868\u660e\uff0c\u94dc\u548c\u954d\u4e3b\u8981\u4ee5\u91d1\u5c5e\u72b6\u6001\u5b58\u5728\u3002\u901a\u8fc7\u539f\u4f4d\u5085\u91cc\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\uff08FT-IR\uff09\u5206\u6790\u4e86\u5c3f\u7d20\u5f62\u6210\u7684\u673a\u7406\uff0c\u63ed\u793a\u4e86*NH<sub>2<\/sub>\u548c*CO\u4e4b\u95f4\u53ef\u80fd\u7684C-N\u5076\u8054\u53cd\u5e94\u9014\u5f84\u3002\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0c*NO<sub>x<\/sub>\u7684\u6c22\u5316\u548c*CO\u4e0e*NH<sub>2<\/sub>\u7684\u8026\u5408\u66f4\u5bb9\u6613\u53d1\u751f\u5728\u5171\u5b58\u7684\u94dc\u548c\u954d\u4f4d\u70b9\u4e0a\uff0c\u800c\u4e0d\u662f\u5747\u5300\u7684\u94dc\u6216\u954d\u4f4d\u70b9\u4e0a\u3002<\/p>\n<p><strong><b>\u672c\u6587\u8981\u70b9<\/b><\/strong><\/p>\n<p><strong><b>\u8981\u70b9\u4e00\uff1a<\/b><\/strong>\u901a\u8fc7\u9ad8\u6e29\u70ed\u89e3\u8fd8\u539fCu-Ni BTC\u6210\u529f\u5236\u5907\u51fa\u78b3\u8d1f\u8f7d\u7684Cu-Ni\u5408\u91d1\u7eb3\u7c73\u6676\u50ac\u5316\u5242\uff0cXAS\u548cXPS\u5206\u6790\u8868\u660eCu\u548cNi\u4e3b\u8981\u4ee5\u91d1\u5c5e\u5408\u91d1\u6001\u7684\u5f62\u5f0f\u5b58\u5728\u3002<\/p>\n<p><strong><b>\u8981\u70b9\u4e8c\uff1a<\/b><\/strong>\u4e0e\u5355\u72ec\u7684Cu\u6216Ni\u7535\u50ac\u5316\u5242\u76f8\u6bd4\uff0cCu-Ni\u5408\u91d1\u50ac\u5316\u5242\u5728\u5b9e\u73b0C-N\u5076\u8054\u5408\u6210\u5c3f\u7d20\u65b9\u9762\u6027\u80fd\u66f4\u52a0\u4f18\u8d8a\uff0c\u5728-0.5 V (vs REH)\u65f6\uff0c\u5176\u6cd5\u62c9\u7b2c\u6548\u7387\u9ad8\u8fbe25.1 %\uff0c\u5728-0.8 V (vs REH)\u7535\u4f4d\u4e0b\uff0c\u5c3f\u7d20\u4ea7\u91cf\u8fbe\u523037.53 \u03bcmolh<sup>-1<\/sup>cm<sup>-1<\/sup>\uff0c\u8fd9\u6bd4\u5927\u591a\u6570\u5df2\u62a5\u9053\u7684\u6750\u6599\u6027\u80fd\u66f4\u4f73\u3002<\/p>\n<p><strong>\u8981\u70b9\u4e09\uff1a<\/strong>\u901a\u8fc7\u539f\u4f4d\u5085\u91cc\u53f6\u53d8\u6362\u7ea2\u5916\u5149\u8c31\uff08FT-IR\uff09\u5bf9\u5c3f\u7d20\u5408\u6210\u673a\u7406\u8fdb\u884c\u4e86\u5206\u6790\uff0c\u57fa\u4e8e\u68c0\u6d4b\u5230\u7684\u4e2d\u95f4\u4f53\uff0c\u63ed\u793a\u4e86\u5c3f\u7d20\u5408\u6210\u7684\u53cd\u5e94\u8def\u5f84\u662f*CO\u4e0e*NH<sub>2<\/sub>\u4e4b\u95f4\u7684\u5076\u8054\u8fc7\u7a0b\u3002<\/p>\n<p><strong><b>\u8981\u70b9\u56db\uff1a<\/b><\/strong>DFT\u8ba1\u7b97\u7ed3\u679c\u9a8c\u8bc1\u4e86\u6240\u63d0\u51fa\u7684\u5c3f\u7d20\u5408\u6210\u53cd\u5e94\u8def\u5f84\uff0c\u7ed3\u679c\u8868\u660e*NO<sub>x<\/sub>\u7684\u6c22\u5316\u8fd8\u539f\u8fc7\u7a0b\u548c*CO\u4e0e*NH<sub>2<\/sub>\u4e4b\u95f4\u7684\u5076\u8054\u8fc7\u7a0b\u5728\u5f02\u8d28\u539f\u5b50\uff08Cu\u548cNi\uff09\u4e0a\u66f4\u5bb9\u6613\u53d1\u751f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256394\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-4.png\" alt=\"\" width=\"800\" height=\"492\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-4.png 800w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-4-300x185.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-3-4-768x472.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong><b>Figure 1. <\/b><\/strong><strong><b>\u50ac\u5316\u5242\u7684\u7ed3\u6784\u3001\u5f62\u8c8c\u53ca\u6210\u5206\u8868\u5f81<\/b><\/strong><strong><b>.<\/b><\/strong>\u00a0(a) XRD pattern of Cu\/C, Cu<sub>9<\/sub>Ni\/C, Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, Cu<sub>5<\/sub>Ni<sub>5<\/sub>\/C and Ni\/C catalysts with enlarged (111) crystal plane. (b) SEM image, (c) local enlargement image, (d) TEM image, (e) High-resolution TEM image of Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C. (f) TEM image and corresponding elemental mappings of Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, where Cu and Ni atoms are represented by blue and yellow pixels, respectively<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256396\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-5.png\" alt=\"\" width=\"733\" height=\"592\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-5.png 733w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-2-5-300x242.png 300w\" sizes=\"(max-width: 733px) 100vw, 733px\" \/><\/p>\n<p><strong>Figure 2 <\/strong><strong>\u50ac\u5316\u5242\u7684\u4ef7\u6001\u4e0e\u7535\u5b50\u6001<\/strong><strong>. <\/strong>(<strong>a<\/strong>) Normalized and (<strong>c<\/strong>) deriv-normalized intensity Cu K-edge X-ray absorption near-edge structure (XANES) spectra for Cu<sub>2<\/sub>O, CuO, Cu foil and Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C. (<strong>b<\/strong>) Normalized and (<strong>d<\/strong>) deriv-normalized intensity of Ni K-edge XANES spectra for NiO, Ni foil and Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C. (<strong>e<\/strong>) Fourier transform extended X-ray absorption fine structure (FT-EXAFS) spectra of Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C and other references. (<strong>f<\/strong>) Wavelet-transform plots for Cu foil, Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, and Ni foil. (<strong>g<\/strong>) XPS peaks spectra of Ni 2p of Cu\/C, Cu<sub>9<\/sub>Ni\/C, Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, Cu<sub>5<\/sub>Ni<sub>5<\/sub>\/C.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256397\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-2.png\" alt=\"\" width=\"717\" height=\"574\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-2.png 717w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-5-2-300x240.png 300w\" sizes=\"(max-width: 717px) 100vw, 717px\" \/><\/p>\n<p><strong>Figure 3 <\/strong><strong>\u50ac\u5316\u6750\u6599\u7684\u5c3f\u7d20\u5408\u6210\u6027\u80fd<\/strong><strong>. <\/strong>(<strong>a<\/strong>) LSV curves over Cu\/C, Cu<sub>9<\/sub>Ni\/C, Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, Cu<sub>5<\/sub>Ni<sub>5<\/sub>\/C, and Ni\/C catalysts;\u00a0(<strong>b<\/strong>) Tafel slopes of Cu\/C, Cu<sub>9<\/sub>Ni\/C, Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, Cu<sub>5<\/sub>Ni<sub>5<\/sub>\/C. (<strong>c<\/strong>) LSV curves over Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C in different variables. (<strong>d<\/strong>) Urea Faraday efficiencies and corresponding yield rate on Cu\/C, Cu<sub>9<\/sub>Ni\/C, Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, Cu<sub>5<\/sub>Ni<sub>5<\/sub>\/C, and Ni\/C at various applied potentials (vs RHE) for 30min of electrocatalysis. (<strong>e<\/strong>) FE(Urea) and yield rate on Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C under the applied potential of \u22120.5 V (vs RHE)\u00a0during 10 periods of 1 h electrocatalytic. (<strong>f<\/strong>) Comparison of the performance of Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C catalyst with other extensively reported electrocatalysts.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256398\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-3.png\" alt=\"\" width=\"774\" height=\"544\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-3.png 774w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-3-300x211.png 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-4-3-768x540.png 768w\" sizes=\"(max-width: 774px) 100vw, 774px\" \/><\/p>\n<p><strong>Figure 4 <\/strong><strong>\u539f\u4f4d\u7ea2\u5916\u4e0e\u62c9\u66fc\u8868\u5f81<\/strong><strong>. <\/strong>Infrared signal in the range of 1000-3600cm<sup>-1<\/sup>(disconnected at 1800-2800 cm<sup>-1<\/sup>) under various potentials for (<strong>a<\/strong>) Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C, (<strong>b<\/strong>) Cu\/C and (<strong>c<\/strong>) Ni\/C during the electrocoupling of nitrate and CO<sub>2<\/sub>. (<strong>d<\/strong>)<strong>\u00a0<\/strong>Proposed reaction pathway for urea formation on Cu<sub>8<\/sub>Ni<sub>2<\/sub>\/C.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-256399\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-2.png\" alt=\"\" width=\"658\" height=\"535\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-2.png 658w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2023\/12\/\u56fe\u7247-6-2-300x244.png 300w\" sizes=\"(max-width: 658px) 100vw, 658px\" \/><\/p>\n<p><strong>Figure 5 DFT <\/strong><strong>\u7406\u8bba\u8ba1\u7b97<\/strong><strong>.<\/strong>\u00a0(<strong>a<\/strong>) Schematic model of the adsorption of intermediate and (<strong>b<\/strong>) free energy profile of NO<sub>3<\/sub><sup>&#8211;<\/sup>\u00a0reduction to *NH<sub>2<\/sub>. (<strong>c<\/strong>) Schematic model of the intermediate adsorption and (<strong>d<\/strong>) free energy profile of CO<sub>2<\/sub>\u00a0reduction to *CO. (<strong>e<\/strong>) Free energy profile of H<sup>+<\/sup>\u00a0reduction to *H. (<strong>f<\/strong>) Schematic model of the intermediate and (<strong>g<\/strong>) free energy profile of C-N coupling on Cu, Ni, and Cu-Ni alloy surfaces. (<strong>h<\/strong>) Electronic partial density of states in 3d orbitals and d-band center positions of Cu, Ni, and Cu-Ni alloy. \u201c*\u201d represents the adsorbed state. \u00a0<\/p>\n<p><strong><b>\u6587\u7ae0\u7ed3\u8bba<\/b><\/strong><\/p>\n<p>\u901a\u8fc7\u70ed\u89e3Cu-Ni MOF\u5408\u6210\u4e86\u78b3\u8d1f\u8f7d\u7684Cu-Ni\u50ac\u5316\u5242\uff0c\u5c06Ni\u63ba\u5165Cu\u4e2d\u5f62\u6210Cu-Ni\u5408\u91d1\u7eb3\u7c73\u6676\u4f53\u3002Cu\u4e0eNi\u4f5c\u4e3a\u591a\u76f8\u6d3b\u6027\u4f4d\u70b9\uff0c\u53ef\u589e\u5f3a*NO<sub>x<\/sub>\u7269\u79cd\u7684\u6c22\u5316\u53cd\u5e94\u548cC-N\u5076\u8054\u53cd\u5e94\u4ea7\u751f\u5c3f\u7d20\u3002EXAFS\u548cXPS\u5206\u6790\u8868\u660e\uff0cCu\u548cNi\u4e3b\u8981\u662f\u91d1\u5c5e\u6001\u5408\u91d1\u3002Cu-Ni\u50ac\u5316\u5242\u7684\u5c3f\u7d20\u5408\u6210\u6027\u80fd\u4f18\u4e8e\u7eaf\u91d1\u5c5eCu\u548cNi\uff0c\u5728-0.5 V\uff08vs RHE\uff09\u65f6\u5b9e\u73b0\u5c3f\u7d20\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\u4e3a25.1 %\uff0c\u5728-0.8 V\uff08vs RHE\uff09\u65f6\u7684\u4ea7\u91cf\u4e3a 37.53 \u03bcmolh<sup>-1<\/sup>cm<sup>-2<\/sup>\uff0c\u8be5\u6027\u80fd\u4f18\u4e8e\u5927\u591a\u6570\u62a5\u9053\u7684\u50ac\u5316\u5242\u3002\u901a\u8fc7\u539f\u4f4dFT-IR\u5206\u6790\u4e86\u5c3f\u7d20\u5408\u6210\u8def\u5f84\uff0c\u8868\u660e*NH<sub>2<\/sub>\u548c*CO\u4e4b\u95f4\u5b58\u5728C-N\u5076\u8054\u53cd\u5e94\u9014\u5f84\u3002\u7406\u8bba\u8ba1\u7b97\u8868\u660e\uff0c*NO<sub>x<\/sub>\u7684\u6c22\u5316\u548c*CO\u548c*NH<sub>2<\/sub>\u4e4b\u95f4\u7684\u5076\u8054\u66f4\u5bb9\u6613\u53d1\u751f\u5728\u5f02\u8d28Cu\u548cNi\u539f\u5b50\u800c\u4e0d\u662f\u5747\u8d28\u7684Cu\u548cNi\u539f\u5b50\u3002\u672c\u5de5\u4f5c\u4e2d\u6784\u5efa\u7684\u5f02\u8d28\u6d3b\u6027\u4f4d\u70b9\u4e3a\u4fc3\u8fdb\u4eceNO<sub>3<\/sub><sup>&#8211;<\/sup>\u548cCO<sub>2<\/sub>\u7684\u7535\u5316\u5b66\u5c3f\u7d20\u5408\u6210\u63d0\u4f9b\u4e86\u4e00\u79cd\u6709\u6548\u7684\u7b56\u7565\u3002<\/p>\n<p><strong><b>\u6587\u7ae0\u94fe\u63a5<\/b><\/strong><\/p>\n<p>Cu-Ni alloy nanocrystals with heterogenous active sites for efficient urea synthesis.<\/p>\n<p>Yulong Zhou, Baopeng Yang, Zhencong Huang,<sup>\u00a0<\/sup>Gen Chen, Jianguo Tang, Min Liu, Xiaohe Liu, Renzhi Ma, Zongwei Mei<sup>*<\/sup>,<sup>\u00a0<\/sup>and Ning Zhang<sup>*<\/sup><\/p>\n<p>https:\/\/doi.org\/10.1016\/j.apcatb.2023.123577<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1a\u5468\u94b0\u9f99 \u901a\u8baf\u4f5c\u8005\uff1a\u5f20\u5b81*\uff0c\u6885\u5b97\u7ef4* \u901a\u8baf\u5355\u4f4d\uff1a\u4e2d\u5357\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u5b66\u9662\uff0c\u7535\u5b50\u79d1\u6280\u5927\u5b66\u957f\u4e09\u89d2\u7814\u7a76\u9662 \u7814\u7a76\u80cc\u666f \u5c3f\u7d20\uff08CO(NH2)2\uff09\u5728\u4eba\u7c7b\u53d1\u5c55\u4e2d\u5360\u636e&#8230;<\/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-256391","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/256391"}],"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=256391"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/256391\/revisions"}],"predecessor-version":[{"id":256400,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/256391\/revisions\/256400"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=256391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=256391"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=256391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}