{"id":162037,"date":"2018-12-18T06:30:15","date_gmt":"2018-12-17T22:30:15","guid":{"rendered":"\/\/m.iemloyee.com\/?p=162037"},"modified":"2018-12-17T20:32:35","modified_gmt":"2018-12-17T12:32:35","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e4%b8%ad%e7%a7%91%e5%a4%a7%e5%90%b4%e5%ae%87%e6%81%a9%e5%9b%a2%e9%98%9fjoule%ef%bc%9a%e7%9b%b4%e6%8e%a5%e4%bb%a5%e5%9d%97%e7%8a%b6%e9%87%91%e5%b1%9e","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=162037","title":{"rendered":"\u4e2d\u79d1\u5927\u5434\u5b87\u6069\u56e2\u961fJoule\uff1a\u76f4\u63a5\u4ee5\u5757\u72b6\u91d1\u5c5e\u4e3a\u539f\u6599\u56fa\u76f8\u70ed\u6269\u6563\u5408\u6210\u5355\u539f\u5b50\u50ac\u5316\u5242\uff0c\u5b9e\u73b0\u9ad8\u6548CO2\u8fd8\u539f"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n \u4e3a\u4e86\u8fbe\u5230\u7406\u60f3\u7684\u5316\u5b66\u548c\u7269\u7406\u6027\u80fd\uff0c\u56fa\u76f8\u6269\u6563\u6280\u672f\u5df2\u88ab\u5e7f\u6cdb\u7528\u4e8e\u8bbe\u8ba1\u529f\u80fd\u91d1\u5c5e\u95f4\u5316\u5408\u7269\u548c\u5408\u91d1\u7684\u5fae\u89c2\u7ed3\u6784\uff0c\u5982\u6210\u5206\u3001\u6676\u76f8\u3001\u6676\u754c\u7b49\u3002\u5bf9\u4e8e\u975e\u5747\u76f8\u50ac\u5316\u5242\u7b49\u56fa\u6001\u6750\u6599\uff0c\u51b3\u5b9a\u5176\u5c3a\u5bf8\u548c\u5f62\u72b6\u7684\u5fae\u89c2\u7ed3\u6784\u5bf9\u5408\u6210\u6761\u4ef6\u975e\u5e38\u654f\u611f\u3002\u6b64\u5916\uff0c\u5728\u7eb3\u7c73\u751a\u81f3\u539f\u5b50\u6c34\u5e73\u4e0a\u64cd\u7eb5\u56fa\u4f53\u6750\u6599\u7ed3\u6784\u7684\u80fd\u529b\u5c06\u6781\u5927\u5730\u8c03\u8282\u5c40\u90e8\u5316\u5b66\u73af\u5883\uff0c\u5e76\u589e\u5f3a\u76f8\u5e94\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5bf9\u9ad8\u6e29\u4e0b\u5267\u70c8\u53cd\u5e94\u7684\u63a7\u5236\u80fd\u529b\u8f83\u5dee\uff0c\u4f20\u7edf\u5236\u5907\u539f\u5b50\u7ed3\u6784\u590d\u6742\u7684\u56fa\u6001\u6750\u6599\u7684\u65b9\u6cd5\u4e0d\u662f\u5f88\u6709\u6548\u3002\u5c06CO2<\/sub>\u7535\u8fd8\u539f\u6210\u9ad8\u9644\u52a0\u503c\u4ea7\u54c1\u662f\u89e3\u51b3\u73af\u5883\u548c\u80fd\u6e90\u95ee\u9898\u7684\u6709\u6548\u9014\u5f84\u3002\u4e3a\u4e86\u6ee1\u8db3\u5de5\u4e1a\u9700\u6c42\uff0c\u8feb\u5207\u9700\u8981\u5f00\u53d1\u4e00\u79cd\u53ef\u6269\u5c55\u7684\u65b9\u6cd5\uff0c\u5c06\u5757\u72b6\u91d1\u5c5e\u7b49\u5ec9\u4ef7\u539f\u6750\u6599\u8f6c\u5316\u4e3a\u9ad8\u6548\u7a33\u5b9a\u7684\u50ac\u5316\u5242\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5728\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u5434\u5b87\u6069<\/b><\/strong>\u6559\u6388<\/b><\/strong>\u3001\u82f1\u56fd\u725b\u6d25\u5927\u5b66\u6bb5\u660a\u5b8f<\/b><\/strong>\u548c\u5357\u4eac\u5e08\u8303\u5927\u5b66\u674e\u4e9a\u98de\u6559\u6388<\/b><\/strong>\u56e2\u961f\uff08<\/b><\/strong>\u5171\u540c<\/b><\/strong>\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u5e26\u9886\u4e0b\uff0c\u4e0e\u6e05\u534e\u5927\u5b66<\/b><\/strong>\u3001\u5317\u4eac\u7406\u5de5\u5927\u5b66<\/b><\/strong>\u3001\u5357\u65b9\u79d1\u6280\u5927\u5b66\u3001\u5929\u6d25\u7406\u5de5\u5927\u5b66\u3001\u4e2d\u79d1\u9662\u7269\u7406\u7814\u7a76\u6240<\/b><\/strong>\u548c\u4e0a\u6d77\u5927\u5b66<\/b><\/strong>\u5408\u4f5c\uff0c\u8bc1\u660e\u4e86N\u63ba\u6742\u78b3\u548c\u5757\u72b6Ni\u91d1\u5c5e\u4e4b\u95f4\u7684\u56fa\u76f8\u70ed\u6269\u6563\u53ef\u7528\u6765\u5408\u6210\u5177\u6709\u5206\u7ea7\u7ed3\u6784\u3001\u81ea\u652f\u6491\u7ed3\u6784\u7684\u5355\u539f\u5b50\u50ac\u5316\u5242\u3002\u5f15\u4eba\u6ce8\u76ee\u7684\u662f\uff0c\u8fd9\u79cd\u5206\u5c42\u50ac\u5316\u5242\u53ef\u589e\u91cf\u5236\u5907\uff0c\u5177\u6709\u6781\u5e7f\u9614\u7684\u5de5\u4e1a\u524d\u666f\uff0c\u5e76\u53ef\u76f4\u63a5\u7528\u4f5cCO2<\/sub>\u8fd8\u539f\u7684\u81ea\u652f\u6491\u7535\u6781\uff0c\u5728-1.0 V vs. RHE\u65f6\u63d0\u4f9b48.66 mA cm-2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u548c97\uff05\u7684\u9ad8\u6cd5\u62c9\u7b2c\u6548\u7387\u3002\u5728-0.7\u81f3-1.2 V vs. RHE\u7684\u5bbd\u5de5\u4f5c\u7535\u4f4d\u8303\u56f4\u5185\uff0cCO\u7684\u9009\u62e9\u6027\u53ef\u4fdd\u6301\u572890\uff05\u4ee5\u4e0a\u3002\u8fd9\u79cd\u56fa\u6001\u70ed\u6269\u6563\u7b56\u7565\u5728\u5de5\u4e1a\u4e0a\u5177\u6709\u751f\u4ea7\u5206\u7ea7\u7ed3\u6784\u548c\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u5de8\u5927\u6f5c\u529b\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cSolid-Diffusion Synthesis of Single-Atom Catalysts Directly from Bulk Metal for Efficient CO<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0Reduction<\/b><\/strong>\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Joule<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe1<\/b><\/strong>\u00a0<\/b><\/strong>H-CPs\u7684\u793a\u610f\u56fe\u548c\u8868\u5f81<\/b><\/strong> (A) H-CPs\u5408\u6210\u793a\u610f\u56fe\u3002<\/p>\n (B) \u65ad\u9762\u548c (C) \u9876\u9762SEM\u7167\u7247\u3002<\/p>\n (D) \u65ad\u9762\u7684SEM\u7167\u7247\u53ca\u5176mapping\u3002<\/p>\n (E) TEM\u548c (F, G) HAADF-STEM\u7167\u7247\u3002<\/p>\n (H) \u6697\u573aTEM\u7167\u7247\u53ca\u5176\u5bf9\u5e94mapping\u3002<\/p>\n (I) \u901a\u8fc7\u63a7\u5236\u954d\u7247\u5f62\u72b6\u5f97\u5230\u7684\u4e0d\u540c\u5f62\u72b6\u50ac\u5316\u5242\u548c50cm2<\/sup>\u7684\u5927\u9762\u79ef\u50ac\u5316\u5242\u7167\u7247\u3002<\/p>\n (J) \u50ac\u5316\u5242\u67d4\u6027\u53ef\u5f2f\u6298\u7684\u7167\u7247\u3002<\/p>\n (K) \u50ac\u5316\u5242\u5e94\u529b-\u5e94\u53d8\u66f2\u7ebf\u3002<\/p>\n \u56fe2<\/b><\/strong>\u00a0<\/b><\/strong>H-CPs<\/b><\/strong>\u7684\u7279\u5f81<\/b><\/strong>\u8868\u5f81<\/b><\/strong> (A)\u50ac\u5316\u5242\u7684XRD\u56fe\u8c31\u3002<\/p>\n (B) N K-edge\u548c(C) C K-edge NEXAFS \u56fe\u8c31\u3002<\/p>\n (D) Ni K-edge XANES \u56fe\u8c31\u548c (E) k3<\/sup>-weighted \u03c7 (k) function of the EXAFS \u56fe\u8c31\u3002<\/p>\n (F)\u5728 0.1 M KOH \u7535\u89e3\u6db2\u4e2d\uff0c\u626b\u901f 5 mV s-1<\/sup>\u7684CV \u66f2\u7ebf\u3002<\/p>\n \u56fe3<\/b><\/strong>\u00a0<\/b><\/strong>CO<\/b><\/strong>2<\/b><\/sub><\/strong>\u7535\u8fd8\u539f\u7684\u6027\u80fd<\/b><\/strong> (A)\u50ac\u5316\u5242\u5728N2<\/sub>\u9971\u548c\u00a00.5 M KClO4<\/sub>\u00a0\u548cCO2<\/sub>\u9971\u548c\u00a00.5 M KHCO3<\/sub>\u00a0\u7535\u89e3\u6db2\uff0c\u00a0\u626b\u901f10 mV s-1<\/sup>\u7684LSV \u66f2\u7ebf\u3002<\/p>\n (B) \u50ac\u5316\u5242\u751f\u6210CO\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\u548c(C) Tafel \u659c\u7387\u66f2\u7ebf\u3002<\/p>\n (D) \u50ac\u5316\u5242\u751f\u6210CO\u7684\u6bd4\u7535\u6d41\u5bc6\u5ea6\u4e0e\u5176\u4ed6\u6587\u732e\u5bf9\u6bd4\u56fe\u3002<\/p>\n (E) \u50ac\u5316\u5242\u7684Nyquist \u66f2\u7ebf\u3002\u00a0<\/p>\n (F) \u50ac\u5316\u5242\u5728-1.0 V vs. RHE\u65f640\u5c0f\u65f6\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002<\/p>\n \u56fe4<\/b><\/strong>\u00a0<\/b><\/strong>H-CPs<\/b><\/strong>\u7684\u793a\u610f\u56fe\u53caCO<\/b><\/strong>2<\/b><\/sub><\/strong>\u8fd8\u539f\u7684DFT\u7814\u7a76<\/b><\/strong> (A, C) \u50ac\u5316\u5242\u63a5\u89e6\u89d2\u53ca\u5176\u793a\u610f\u56fe\u3002<\/p>\n (B, D) \u6c14\u4f53\u63a5\u89e6\u89d2\u53ca\u5176\u793a\u610f\u56fe\u3002<\/p>\n (E) Ni309<\/sub>\u00a0\u56e2\u7c07\uff0c\u4e0d\u540cNi\u2013Nx<\/sub>\u914d\u4f4d\u7ed3\u6784\u548c\u53ef\u80fd\u7684CO2<\/sub>\u7535\u8fd8\u539f\u53cd\u5e94\u8def\u5f84\u3002<\/p>\n (F) \u5728U = 0 V vs. RHE\u7535\u4f4d\u4e0b\uff0cCO2<\/sub>\u8f6c\u53d8\u4e3aCO\u8fc7\u7a0b\u4e2d\u7684\u81ea\u7531\u80fd\u56fe\u8c31\u3002<\/p>\n \u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u8be5\u5de5\u4f5c\u9996\u6b21\u62a5\u9053\u4e86\u5229\u7528\u56fa\u76f8\u70ed\u6269\u6563\u7b56\u7565\u4ece\u5757\u4f53\u91d1\u5c5e\u76f4\u63a5\u5236\u5907\u5355\u539f\u5b50\u50ac\u5316\u5242\uff0c\u5e76\u53ef\u4ee5\u5b9e\u73b0\u50ac\u5316\u5242\u7684\u5927\u89c4\u6a21\u5236\u5907\uff0c\u3002\u8be5\u50ac\u5316\u5242\u53ef\u76f4\u63a5\u7528\u4e8eCO\u00a02<\/sub>\u7535\u8fd8\u539f\uff0c\u800c\u65e0\u9700\u4f7f\u7528\u5bfc\u7535\u57fa\u6750\u548c\u7edd\u7f18\u805a\u5408\u7269\u7c98\u5408\u5242\u3002CO\u7684FE\u5728\u5bbd\u5de5\u4f5c\u7535\u4f4d\uff08-0.7\u81f3-1.2 V\u00a0vs. RHE\uff09\u4e0b\u4fdd\u6301\u572890\uff05\u4ee5\u4e0a\u3002\u603b\u4e4b\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e3a\u76f4\u63a5\u4ece\u975e\u8d35\u91cd\u6750\u6599\u6784\u5efa\u9ad8\u6548\u7a33\u5b9a\u7684\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u4f9d\u636e\uff0c\u4e3a\u5176\u4ed6\u9ad8\u6548\u5355\u539f\u5b50\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u5236\u5907\u548c\u653e\u5927\u5e94\u7528\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u3002\u3002<\/p>\n \u4e0a\u8ff0\u7814\u7a76\u5de5\u4f5c\u5f97\u5230\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u3001\u56fd\u5bb6\u79d1\u6280\u90e8\u7b49\u9879\u76ee\u7684\u8d44\u52a9\u548c\u652f\u6301\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>Solid-Diffusion Synthesis of Single-Atom Catalysts Directly from Bulk Metal for Efficient CO<\/u>2<\/sub><\/u>\u00a0Reduction<\/u><\/a>\uff08Joule, 2018, DOI: 10.1016\/j.joule.2018.11.008\uff09<\/p>\n
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