{"id":223825,"date":"2021-06-25T12:00:26","date_gmt":"2021-06-25T04:00:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=223825"},"modified":"2021-06-25T10:32:37","modified_gmt":"2021-06-25T02:32:37","slug":"%e6%b8%85%e5%8d%8e%e9%99%86%e5%a5%87%e5%8c%97%e5%a4%a7%e5%be%90%e5%86%b0%e5%90%9b%e5%9b%a2%e9%98%9fnat-commun-%ef%bc%9aco%e7%94%b5%e5%8c%96%e5%ad%a6%e8%bf%98%e5%8e%9fcu%e7%9a%84%e7%94%b5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=223825","title":{"rendered":"\u6e05\u534e\u9646\u5947&\u5317\u5927\u5f90\u51b0\u541b\u56e2\u961fNat. Commun.\uff1aCO\u7535\u5316\u5b66\u8fd8\u539fCu\u7684\u7535\u52a8\u529b\u5b66\u548c\u539f\u4f4d\u5149\u8c31\u7814\u7a76"},"content":{"rendered":"

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

\u94dc\u57fa\u7535\u50ac\u5316\u5242\u5728\u50ac\u5316CO2<\/sub>\u7535\u8fd8\u539f\u65b9\u9762\u5177\u6709\u72ec\u7279\u7684\u5f62\u6210\u78b3\u6c22\u5316\u5408\u7269\u548c\u542b\u6c27\u5316\u5408\u7269\u7684\u80fd\u529b\u3002\u7136\u800c\uff0c\u4ecd\u9700\u8981\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6709\u4ef7\u503c\u4ea7\u54c1\u7684\u751f\u6210\u901f\u7387\u548c\u9009\u62e9\u6027\uff0c\u4ee5\u53ca\u63d0\u9ad8\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u7684\u80fd\u6e90\u6548\u7387\u3002\u5728\u5b9e\u9645\u5e94\u7528\u65b9\u9762\uff0c\u901a\u8fc7\u6539\u9020\u50ac\u5316\u5242\u7ec4\u6210\u6216\u7535\u89e3\u8d28\uff0c\u4fdd\u6301\u5728\u9ad8\u78b1\u6027\u6761\u4ef6\u4e0b\u5b9e\u73b0\u7684\u9ad8\u901f\u7387\u548c\u9009\u62e9\u6027\u3002\u4f7f\u7528\u9ad8\u78b1\u6027\u7535\u89e3\u8d28\u4f1a\u5bfc\u81f4\u7535\u89e3\u8d28\u4e0eCO2<\/sub>\u7684\u4e2d\u548c\u3002\u5728\u57fa\u672c\u5c42\u9762\u4e0a\uff0c\u7535\u89e3\u8d28\u7684\u78b1\u5ea6\u53ef\u4ee5\u5728\u7279\u5b9a\u7535\u4f4d\u4e0a\u6539\u53d8\u70ed\u529b\u5b66\u9a71\u52a8\u529b\u5f71\u54cd\u7535\u6781\u4ecb\u5bfc\u7684\u53cd\u5e94\u3002\u6700\u8fd1\u53d1\u73b0\uff0c\u5728\u4e0eCO2<\/sub>RR\u6709\u5173\u7684\u7535\u4f4d\u4e0b\uff0c\u94dc\u7684\u8868\u9762\u5f62\u8c8c\u4e0epH\u503c\u6709\u5173\uff0c\u8fd9\u5c31\u63d0\u51fa\u4e86\u4e00\u79cd\u53ef\u80fd\u6027\uff0c\u5373\u5728\u5177\u6709\u4e0d\u540c\u78b1\u5ea6\u7684\u7535\u89e3\u8d28\u4e2d\uff0c\u53cd\u5e94\u4e2d\u6240\u6709\u6216\u67d0\u4e9b\u4ea7\u7269\u7684\u94dc\u57fa\u50ac\u5316\u5242\u7684\u6d3b\u6027\u90e8\u4f4d\u6216\u76f8\u53ef\u80fd\u662f\u4e0d\u540c\u7684\u3002\u6b64\u5916\uff0c\u4e0d\u540cpH\u4e0b\u7684\u7535\u52a8\u529b\u5b66\u7814\u7a76\u53ef\u4ee5\u4e3aCO2<\/sub>RR\u673a\u7406\u63d0\u4f9b\u5173\u952e\u7684\u89c1\u89e3\u3002\u7531\u4e8eCO2<\/sub>\u3001\u6c22\u6c27\u5316\u7269\u3001\u78b3\u9178\u6c22\u76d0\u548c\u78b3\u9178\u76d0\u4e4b\u95f4\u7684\u591a\u79cd\u5316\u5b66\u5e73\u8861\u96be\u4ee5\u5206\u79bb\u53cd\u5e94\u4e2d\u4efb\u4f55\u7279\u5b9a\u7269\u8d28\u3002\u5728\u8fd9\u65b9\u9762\uff0c\u7814\u7a76\u8ba1\u7b97\u78b3\u6c22\u5316\u5408\u7269\u548c\u542b\u6c27\u5316\u5408\u7269\u7684\u4e3b\u8981\u53cd\u5e94\u9014\u5f84\u65b9\u9762\u662f\u6709\u53c2\u8003\u4ef7\u503c\u7684\u3002\u5c3d\u7ba1\u7814\u7a76\u5de5\u4f5c\u53d6\u5f97\u4e86\u91cd\u5927\u8fdb\u5c55\uff0c\u4f46\u5728\u5f62\u6210\u591a\u78b3\uff08C2+<\/sub>\uff09\u4ea7\u7269\u548cCH4<\/sub>\u7684\u5173\u952e\u53cd\u5e94\u6b65\u9aa4\u65b9\u9762\u4e00\u76f4\u7f3a\u4e4f\u5171\u8bc6\u3002\u5bf9\u4e8eC2+<\/sub>\u4ea7\u7269\u7684\u5f62\u6210\uff0c\u4eba\u4eec\u666e\u904d\u8ba4\u4e3aC-C\u5076\u8054\u8fc7\u7a0b\u53c2\u4e0e\u4e86\u5176\u53cd\u5e94\u9014\u5f84\u7684\u5173\u952e\u6b65\u9aa4\u3002\u7535\u5316\u5b66CO\u8fd8\u539f\u53cd\u5e94\uff08CORR\uff09\u662fCO2<\/sub>RR\u673a\u7406\u7814\u7a76\u4e2d\u7684\u6709\u5229\u4ee3\u8868\u3002CO\u662fCO2<\/sub>RR\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e2d\u95f4\u4f53\uff0c\u56e0\u6b64\u8fd9\u4e24\u79cd\u53cd\u5e94\u90fd\u6709\u751f\u6210\u7532\u70f7\u548cC2+<\/sub>\u7684\u9014\u5f84\u3002CO\u7684\u4e2d\u6027\u6027\u8d28\u51cf\u8f7b\u4e86CO2<\/sub>\u548c\u4e0d\u540c\u78b1\u5ea6\u6c34\u7cfb\u7535\u89e3\u8d28\u4e4b\u95f4\u591a\u91cd\u5e73\u8861\u7684\u590d\u6742\u6027\u3002\u540c\u65f6\uff0cCO\u5728\u6c34\u7cfb\u7535\u89e3\u8d28\u4e2d\u7684\u4f4e\u6eb6\u89e3\u5ea6\uff08~1 mM\uff09\u4f7f\u5f97\u7535\u52a8\u529b\u5b66\u6d4b\u91cf\u5bb9\u6613\u53d7\u5230\u4f20\u8d28\u9650\u5236\uff0c\u7279\u522b\u662f\u5728\u8f83\u9ad8\u7684\u8fc7\u7535\u4f4d\u4e0b\uff0c\u5bfc\u81f4\u975e\u7ebf\u6027Tafel\u56fe\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5728\u6e05\u534e\u5927\u5b66\u9646\u5947<\/b><\/strong>\u6559\u6388<\/b><\/strong>\u548c\u5317\u4eac\u5927\u5b66\u5f90\u51b0\u541b\u6559\u6388<\/b><\/strong>\u56e2\u961f\u7b49\u4eba\u5e26\u9886\u4e0b\uff0c\u5229\u7528\u6c14\u4f53\u6269\u6563\u578b\u7535\u6781\u786e\u5b9a\u4e86\u65e0\u4f20\u8d28CORR\u52a8\u529b\u5b66\uff0c\u5e76\u5229\u7528\u539f\u4f4d\u8868\u9762\u589e\u5f3a\u632f\u52a8\u5149\u8c31\u786e\u5b9a\u4e86\u7535\u89e3\u8d28\u7684pH\u51b3\u5b9a\u4e86\u50ac\u5316\u5242\u8868\u9762\u5f62\u8c8c\u3002\u6839\u636e\u6d4b\u91cf\u7684Tafel\u659c\u7387\u548c\u53cd\u5e94\u7ea7\u6570\uff0c\u8bc1\u660e\u4e86C2+<\/sub>\u4ea7\u7269\u7684\u751f\u6210\u901f\u7387\u5f88\u53ef\u80fd\u53d7\u5230CO\u5438\u9644\u7269\u4e8c\u805a\u4f5c\u7528\u7684\u9650\u5236\u3002\u5728\u5f31\uff087 < pH < 11\uff09\u548c\u5f3a\uff08pH > 11\uff09\u78b1\u6027\u7535\u89e3\u8d28\u4e2d\uff0c\u901a\u8fc7\u8d28\u5b50\u8026\u5408\u7535\u5b50\u8f6c\u79fbCO\u6c22\u5316\u6b65\u9aa4\u548c\u5438\u9644\u6c22\u539f\u5b50\u7684CO\u5316\u5b66\u6c22\u5316\u6b65\u9aa4\u6291\u5236\u4e86CH4<\/sub>\u7684\u751f\u6210\u3002\u6b64\u5916\uff0cCH4<\/sub>\u548cC2+<\/sub>\u4ea7\u7269\u53ef\u80fd\u5728\u4e0d\u540c\u7c7b\u578b\u7684\u6d3b\u6027\u4f4d\u70b9\u4e0a\u5f62\u6210\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201cElectrokinetic and in situ spectroscopic investigations of CO electrochemical reduction on copper\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Nat. Commun.<\/b><\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe<\/strong>1 \u4e0d\u540c\u7535\u89e3\u8d28pH\u503c\u4e0bC<\/strong>2+<\/sub><\/strong>\u4ea7\u7269\u5f62\u6210\u7684Tafel\u66f2\u7ebf<\/strong>\"\"<\/p>\n

\u56fe<\/strong>2 \u4e0d\u540c\u7535\u89e3\u8d28pH\u503c\u4e0b<\/strong>\u4e0d\u540c<\/strong>p<\/strong>CO<\/sub><\/strong>\u7684C<\/strong>2+<\/sub><\/strong>\u4ea7\u7269\u7684\u751f\u6210\u53ca\u5149\u8c31\u7814\u7a76<\/strong>\"\"<\/p>\n

a\uff09C2<\/sub>H4<\/sub>\u5f62\u6210\u7684\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\u5bf9pCO<\/sub>\u7684\u5bf9\u6570\u3002\u6240\u6709\u7535\u89e3\u7684\u7535\u4f4d\u4fdd\u6301\u5728-1.50 V vs. SHE\u3002<\/p>\n

b\uff09\u5728\u5b9a\u5236\u7684\u5149\u8c31\u7535\u5316\u5b66\u7535\u6c60\u4e2d\u6536\u96c6\u4e86\u5728-0.8 V vs. SHE\u4e0b\u4e0d\u540c\u7535\u89e3\u8d28\u4e2dCO\u5438\u9644\u5728Cu\u4e0a\u7684SEIRA\u5149\u8c31\u3002<\/p>\n

c\uff09\uff08b\uff09\u4e2dCO\u5438\u9644\u5cf0\u7684\u79ef\u5206\u9762\u79ef\u3002<\/p>\n

\u56fe<\/strong>3 \u4e0d\u540c\u7535\u89e3\u8d28pH\u503c\u4e0bCu MP<\/strong>s\u5728\u4e0d\u540c<\/strong>\u7535\u4f4d<\/strong>\u7684<\/strong>SHINER\u5149\u8c31<\/strong>\"\"<\/p>\n

a\uff09\u57280.3 M NaH2<\/sub>PO4<\/sub>\u00a0+ 0.35 M Na2<\/sub>HPO4<\/sub>\u00a0(pH 7.2)\u6eb6\u6db2\u4e2dCu MPs\u7684SHINER\u5149\u8c31\u3002<\/p>\n

b\uff09\u57280.1 M NaOH + 0.9 M NaClO4<\/sub>\u00a0(pH 12.9)\u6eb6\u6db2\u4e2dCu MPs\u7684SHINER\u5149\u8c31\u3002<\/p>\n

c\uff09\u5728\u22120.8 V vs. SHE\u65f6\uff0cCu MPs\u5728pH 12.9\u5230pH 7.2\u7684SHINER\u5149\u8c31\u3002<\/p>\n

\u56fe<\/strong>4 \u4e0d\u540c\u7535\u89e3\u8d28pH\u503c\u4e0bCH<\/strong>4<\/sub><\/strong>\u751f\u6210<\/strong>\u7684Tafel\u66f2\u7ebf<\/strong>\"\"<\/p>\n

a\uff09\u4ee5RHE\u6807\u5ea6\u7ed8\u5236\u7684CH4<\/sub>\u5f62\u6210\u7684\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\u7684\u5bf9\u6570\u3002<\/p>\n

b\uff09\u5728pH\u4e3a9.0\u7684\u7535\u89e3\u8d28\u4e2d\uff0c\u8f83\u5c0f\u504f\u7f6e\u7535\u4f4d\u4e0bCH4<\/sub>\u5f62\u6210\u7684Tafel\u659c\u7387\u7684\u53d8\u5316\u3002<\/p>\n

c, d\uff09\u964d\u4f4e\u8fc7\u7535\u4f4d\u53ef\u80fd\u5bfc\u81f4CH4<\/sub>\u5f62\u6210\u7684RDS\u4f4d\u79fb\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\u00a0\u4e0d\u540c\u7535\u89e3\u8d28pH\u503c\u4e0b<\/strong>\u4e0d\u540c<\/strong>p<\/strong>CO<\/sub><\/strong>\u7684CH<\/strong>4<\/sub><\/strong>\u751f\u6210<\/strong>\u901f\u7387<\/strong>\"\"<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u56e2\u961f\u901a\u8fc7\u91c7\u7528\u6c14\u4f53\u6269\u6563\u578b\u591a\u6676\u94dc\u7c89\u7535\u6781\uff0c\u5728\u5177\u6709\u4e09\u7535\u6781\u7684\u6807\u51c6H\u578b\u7535\u5316\u5b66\u7535\u6c60\u4e2d\uff0c\u786e\u5b9a\u4e86\u65e0\u4f20\u8d28\u7684CORR\u52a8\u529b\u5b66\uff0c\u5e76\u5229\u7528\u539f\u4f4d\u8868\u9762\u589e\u5f3a\u632f\u52a8\u5149\u8c31\u786e\u5b9a\u4e86\u7535\u89e3\u8d28\u7684pH\u51b3\u5b9a\u4e86\u50ac\u5316\u5242\u8868\u9762\u5f62\u8c8c\u3002\u901a\u8fc7\u7ed3\u5408\u7535\u52a8\u529b\u5b66\u548c\u539f\u4f4d\u5149\u8c31\uff0c\u5b9e\u9a8c\u8bc1\u660e\u4e86\u5728Cu\u4e0a\u7684CORR\u4e2d\uff0cC2+<\/sub>\u4ea7\u7269\u7684\u4ea7\u751f\u7387\u4e0d\u4f9d\u8d56\u4e8e\u7535\u89e3\u8d28\u7684pH\u503c\uff0c\u5e76\u4e14\u53d7\u9650\u4e8e\u7b2c\u4e00\u6b21\u7535\u5b50\u8f6c\u79fb\u3002\u5c3d\u7ba1C-C\u8026\u5408\u6b65\u9aa4\u4ecd\u6709\u53ef\u80fd\uff0c\u4f46\u4e0d\u80fd\u6392\u9664C2+<\/sub>\u4ea7\u7269\u5f62\u6210\u8fc7\u7a0b\u4e2d\u7684RDS\uff0c\u5373\u4ee5\u6c34\u4e3a\u8d28\u5b50\u4f9b\u4f53\u7684CO\u6c22\u5316\u7684\u53ef\u80fd\u6027\u3002\u4e0eC2+<\/sub>\u76f8\u53cd\uff0c\u7532\u70f7\u7684\u4ea7\u751f\u7387\u5728SHE\u548cRHE\u8303\u56f4\u5185\u90fd\u53d6\u51b3\u4e8e\u7535\u89e3\u8d28\u7684pH\u503c\u3002\u5728\u63a5\u8fd1\u4e2d\u6027\u7684\u7535\u89e3\u8d28\u4e2d\uff087 < pH < 11\uff09\uff0c\u7532\u70f7\u7684\u4ea7\u751f\u53d7\u9650\u4e8e\u901a\u8fc7PCET\u7684CO\u6c22\u5316\u6b65\u9aa4\uff0c\u548c\u901a\u8fc7\u5728\u78b1\u6027\u7535\u89e3\u8d28\uff08pH > 11\uff09\u4e2d\u5438\u9644\u6c22\u539f\u5b50\u7684CO\u5316\u5b66\u52a0\u6c22\u6b65\u9aa4\u3002C2+<\/sub>\u548c\u7532\u70f7\u7684\u4ea7\u751f\u7387\u968fpH\u503c\u7684\u4e0d\u540c\u800c\u53d8\u5316\uff0c\u52a0\u4e0a\u539f\u4f4d\u8868\u9762\u589e\u5f3a\u5149\u8c31\u7ed3\u679c\uff0c\u8868\u660e\u8fd9\u4e24\u7c7b\u4ea7\u7269\u662f\u5728\u4e0d\u540c\u7c7b\u578b\u7684\u6d3b\u6027\u4f4d\u70b9\u4e0a\u5f62\u6210\u7684\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/b><\/strong>\uff1aElectrokinetic and in situ spectroscopic investigations of CO electrochemical reduction on copper<\/u><\/a>\uff08Nat. Commun.\uff0c2021\uff0cDOI\uff1a10.1038\/s41467-021-23582-2\uff09<\/p>\n

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