{"id":208055,"date":"2020-08-25T06:35:33","date_gmt":"2020-08-24T22:35:33","guid":{"rendered":"\/\/m.iemloyee.com\/?p=208055"},"modified":"2020-08-24T20:35:52","modified_gmt":"2020-08-24T12:35:52","slug":"%e6%9d%a8%e5%9f%b9%e4%b8%9c%e9%99%a2%e5%a3%ab%e5%9b%a2%e9%98%9f-joule%ef%bc%9a%e5%88%a9%e7%94%a8cu-ag%e4%b8%b2%e8%81%94%e5%82%ac%e5%8c%96%e5%89%82%e9%ab%98%e9%80%9f%e7%8e%87%e5%82%ac%e5%8c%96co2","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=208055","title":{"rendered":"\u6768\u57f9\u4e1c\u9662\u58eb\u56e2\u961f Joule\uff1a\u5229\u7528Cu-Ag\u4e32\u8054\u50ac\u5316\u5242\u9ad8\u901f\u7387\u50ac\u5316CO2\u7535\u89e3\u4e3a\u591a\u78b3\u4ea7\u7269"},"content":{"rendered":"

\u3010\u6587\u7ae0\u4eae\u70b9\u3011<\/strong><\/p>\n

1\u3001\u5728GDE\u4e2d\uff0c\u5206\u79bb\u7684Ag\u548cCu\u9a71\u52a8\u4e32\u8054\u7535\u50ac\u5316CO2<\/sub>\u751f\u6210C2+<\/sub>\u4ea7\u7269\u3002<\/p>\n

2\u30011 M KOH\u4e2d\uff0cCu-Ag\u4e32\u8054\u50ac\u5316\u5242\u7684C2+<\/sub>\u751f\u4ea7\u901f\u7387\u662f\u7eafCu\u76844\u500d\u3002<\/p>\n

3\u3001Cu-Ag\u4e32\u8054\u50ac\u5316\u5242\u5728CO-CO2<\/sub>\u6df7\u5408\u6c14\u6c1b\u4e2d\u6bd4\u7eafCORR\u6709\u66f4\u9ad8\u7684\u6d3b\u6027\u3002<\/p>\n

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u5982\u4eca\uff0c\u4e8c\u6c27\u5316\u78b3\uff08CO2<\/sub>\uff09\u7535\u89e3\u662f\u4e00\u79cd\u8fdb\u884cCO2<\/sub>\u56de\u6536\u548c\u5229\u7528\u7684\u6709\u524d\u666f\u7684\u6280\u672f\uff0c\u53ef\u4e3a\u4e0b\u6e38\u5e94\u7528\u63d0\u4f9b\u78b3\u4e2d\u6027\u7684\u5316\u5b66\u539f\u6599\u3002\u5176\u4e2d\uff0c\u94dc\uff08Cu\uff09\u662f\u552f\u4e00\u80fd\u591f\u6709\u6548\u50ac\u5316CO2<\/sub>\u8f6c\u5316\u4e3a\u591a\u78b3\u4ea7\u7269\uff08C2<\/sub>H4<\/sub>\u3001C2<\/sub>H5<\/sub>OH\u7b49\uff09\u7684\u91d1\u5c5e\u3002\u4f46\u662f\uff0c\u7eafCu\u8868\u9762\u4e0a\u7f13\u6162\u7684C-C\u8026\u5408\u52a8\u529b\u5b66\u963b\u788d\u4e86\u5176\u5de5\u4e1a\u5316\u3002\u56e0\u6b64\uff0c\u7814\u7a76\u4eba\u5458\u63a2\u7a76\u591a\u7ec4\u5206\u50ac\u5316\u5242\u8bbe\u8ba1\u539f\u7406\uff08\u5408\u91d1\u5f62\u6210\u3001\u8868\u9762\u63ba\u6742\u7b49\uff09\u6765\u63d0\u9ad8\u542bCu\u50ac\u5316\u5242\u7684\u50ac\u5316\u6027\u80fd\u3002\u8fd1\u5e74\u6765\uff0c\u7531\u4e8e\u5728Ag\u548cAu\u4e0a\u5177\u6709\u826f\u597d\u7684CO\u5f62\u6210\u80fd\u529b\uff0c\u57fa\u4e8eCu\u7684\u53cc\u91d1\u5c5e\u4e32\u8054\u50ac\u5316\u7b56\u7565\u88ab\u7528\u4e8eCO2<\/sub>RR\u3002\u7136\u800c\uff0c\u7531\u4e8eCO2<\/sub>\u7684\u4f20\u8d28\u9650\u5236\uff0c\u5176\u5b9e\u7528\u6027\u4ecd\u5b58\u5728\u95ee\u9898\u3002\u6c14\u4f53\u6269\u6563\u7535\u6781\uff08GDE\uff09\u901a\u8fc7\u6784\u5efa\u6709\u6548\u7684\u4e09\u76f8\u754c\u9762\u53ef\u4ee5\u6d88\u9664\u7f13\u6162\u7684\u8fdb\u6599\u6c14\u4f53\u4f20\u8f93\u52a8\u529b\u5b66\u95ee\u9898\u3002\u4f46\u662f\uff0c\u5728\u9ad8\u901f\u7535\u89e3\u8fc7\u7a0b\u4e2d\uff0c\u50ac\u5316\u5242\u5468\u56f4\u7684\u5fae\u73af\u5883\u6709\u5f88\u5927\u4e0d\u540c\u3002\u56e0\u6b64\uff0c\u4e3a\u4e86\u5728\u9ad8\u901f\u7387\u7535\u5316\u5b66\u73af\u5883\u4e2d\u5efa\u7acb\u89e3\u8026\u7684\u7535\u50ac\u5316CO2<\/sub>-to-C2+<\/sub>\u6a21\u5f0f\uff0c\u5e94\u5728GDE\u6d41\u52a8\u6c60\u4e2d\u8bc4\u4f30\u4e32\u8054\u5e73\u53f0\u7684\u6548\u679c\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u7f8e\u56fd\u52a0\u5dde\u5927\u5b66\u4f2f\u514b\u5229\u5206\u6821\u7684\u6768\u57f9\u4e1c\u9662\u58eb\uff08\u901a\u8baf\u4f5c\u8005\uff09\u56e2\u961f<\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u5728\u6c14\u4f53\u6269\u6563\u7535\u6781\uff08GDE\uff09\u4e0a\u7684Cu-Ag\u4e32\u8054\u50ac\u5316\u5242\u6765\u63d0\u9ad8\u4eceCO2<\/sub>\u4ea7\u751fC2+<\/sub>\u7684\u901f\u7387\u3002\u5176\u539f\u7406\uff1a\u5148\u5728Ag\u50ac\u5316\u5242\u4e0a\u5c06CO2<\/sub>\u8fd8\u539f\u4e3aCO\uff0c\u968f\u540e\u5728Cu\u4e0a\u8fdb\u884cC-C\u5076\u8054\u6765\u5408\u6210C2+<\/sub>\u4ea7\u7269\u3002\u5bf9\u6bd4\u57281 M KOH\u4e2d\u7684\u53ef\u9006\u6c22\u7535\u6781\uff08RHE\uff09\uff0c\u5728-0.70 V\u65f6\uff0c\u6dfb\u52a0Ag\u540e\uff0cCu\u8868\u9762\u4e0a\u7684C2+<\/sub>\u5c40\u90e8\u7535\u6d41\u4ece37 mA\/cm2<\/sup>\u589e\u52a0\u5230160 mA\/cm2<\/sup>\uff0c\u4e14\u4e24\u79cd\u91d1\u5c5e\u4e4b\u95f4\u76f8\u4e92\u6ca1\u6709\u5e72\u6270\u3002\u6b64\u5916\uff0c\u5728\u7eafCO2<\/sub>\u6216CO\u6c14\u6c1b\u4e0b\uff0cCu-Ag\u4e32\u8054\u50ac\u5316\u5242\u4e2d\u56fa\u6709\u7684C2<\/sub>H4<\/sub>\u548cC2<\/sub>H5<\/sub>OH\u6d3b\u6027\u660e\u663e\u9ad8\u4e8e\u7eafCu\u3002\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff0c\u7531Ag\u751f\u6210\u7684\u5bcc\u542bCO\u7684\u5c40\u90e8\u73af\u5883\u9664\u4e86\u4f5c\u4e3aCO2<\/sub>\u6216CO\u7684\u4f9b\u7ed9\uff0c\u8fd8\u53ef\u4ee5\u589e\u5f3aCu\u4e0aC2+<\/sub>\u7684\u5f62\u6210\uff0c\u8bf4\u660e\u5728\u4e09\u76f8\u4e32\u8054\u73af\u5883\u4e2d\u5b58\u5728\u65b0\u7684\u50ac\u5316\u673a\u7406\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cCu-Ag Tandem Catalysts for High-Rate CO2<\/sub> Electrolysis toward Multicarbons\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aJoule<\/strong>\u4e0a\u3002
\n \"\"
\n \u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001Cu-Ag\u4e32\u8054\u4f53\u7cfb\u7684\u7ed3\u6784\u8bbe\u8ba1\u4e0e\u8868\u5f81<\/strong>
\n \"\"\uff08A\uff09\u7528\u4e8e\u9ad8\u901fCO2<\/sub>\u7535\u89e3\u548c\u5f62\u6210C2+<\/sub>\u4ea7\u7269\u7684Cu-Ag\u4e32\u8054\u5e73\u53f0\u7684\u65b9\u6848\uff1b<\/p>\n

\uff08B\uff09\u7535\u89e3\u524d\uff0c\u5728\u78b3\u7eb8\u4e0aCu500<\/sub>Ag1000<\/sub>\u50ac\u5316\u5242\u7684\u9876\u89c6\u56feSEM\u56fe\u50cf\uff1b<\/p>\n

\uff08C\uff09\u7535\u89e3\u524d\uff0c\u5728\u94dc\u7eb8\u4e0aCu500<\/sub>Ag1000<\/sub>\u50ac\u5316\u5242\u7684\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08D\uff09\u7535\u89e3\u524d\u540e\uff0cCu500<\/sub>Ag1000<\/sub>\u50ac\u5316\u5242\u5728\u78b3\u7eb8\u4e0a\u7684XRD\u56fe\u8c31\uff1b<\/p>\n

\uff08E\uff09\u7535\u89e3\u524d\u540e\uff0c\u5728\u78b3\u7eb8\u4e0aCu500<\/sub>Ag1000<\/sub>\u50ac\u5316\u5242\u5728XPS\u4e0a\u7684\u5149\u8c31\uff0c\u5e76\u4e0eCu500<\/sub>\u548cAg1000<\/sub>\u8fdb\u884c\u6bd4\u8f83\u3002<\/p>\n

\u56fe\u4e8c\u3001\u6bd4\u8f83\u4e32\u8054\u50ac\u5316\u5242\u4e0e\u7eaf\u91d1\u5c5e\u50ac\u5316\u5242\u7684CO2<\/sub>RR\u6027\u80fd<\/strong>
\n \"\"\uff08A\uff09Cu500<\/sub>Ag1000<\/sub>\u3001Cu500<\/sub>\u548cAg1000<\/sub>\u50ac\u5316\u5242\u7684\u603b\u51e0\u4f55\u7535\u6d41\u5bc6\u5ea6\u66f2\u7ebf\uff1b<\/p>\n

\uff08B\uff09\u5728Cu500<\/sub>Ag1000<\/sub>\u3001Cu500<\/sub>\u548cAg1000<\/sub>\u50ac\u5316\u5242\u4e0a\u671d\u5411C2+<\/sub>\u4ea7\u7269\u7684\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\uff1b<\/p>\n

\uff08C\uff09\u5728CO2<\/sub>RR\u7684\u56db\u4e2a\u4e0d\u540c\u7535\u52bf\u4e0b\uff0c\u603bC2+<\/sub>\u548c\u5355\u4e2a\u4ea7\u54c1\u7684EF\uff0c\u5b9a\u4e49\u4e3aCu500<\/sub>Ag1000<\/sub>\u5c40\u90e8\u7535\u6d41\u4e0e\u7eafCu500<\/sub>\u7535\u6d41\u7684\u6bd4\u503c\uff1b<\/p>\n

\uff08D\uff09\u5728Cu500<\/sub>Ag1000<\/sub>\u3001Cu500<\/sub>\u548cAg1000<\/sub>\u50ac\u5316\u5242\u4e0a\u7684CO\u4ea7\u54c1\u5206\u7535\u6d41\u5bc6\u5ea6\u3002<\/p>\n

\u56fe\u4e09\u3001\u6bd4\u8f83\u4e32\u8054\u50ac\u5316\u5242\u4e0e\u7eaf\u91d1\u5c5e\u50ac\u5316\u5242\u7684CORR\u6027\u80fd<\/strong>
\n \"\"\uff08A\uff09\u5728Cu500<\/sub>Ag1000<\/sub>\u3001Cu500<\/sub>\u548cAg1000<\/sub>\u50ac\u5316\u5242\u4e0a\u8fdb\u884cCO\u7535\u8fd8\u539f\u53cd\u5e94\uff08CORR\uff09\u7684\u603b\u7535\u6d41\uff1b<\/p>\n

\uff08B\uff09\u5728Cu500<\/sub>Ag1000<\/sub>\u548cCu500\u50ac\u5316\u5242\u4e0aCO2<\/sub>\u751f\u6210C2+<\/sub>\u4ea7\u54c1\u7684\u5206\u7535\u6d41\u5bc6\u5ea6\uff1b<\/p>\n

\uff08C\uff09\u5728CORR\u4e2d\uff0c\u8f7d\u56db\u79cd\u4e0d\u540c\u7535\u52bf\u4e0b\u603bC2+<\/sub>\u548c\u5355\u4e2a\u4ea7\u54c1\u7684EF\u3002<\/p>\n

\u56fe\u56db\u3001\u5f52\u4e00\u5316\u7684\u5185\u5728\u6d3b\u6027\u5206\u6790\u53ca\u793a\u610f\u56fe<\/strong>
\n \"\"\uff08A-C\uff09\u5728\u4e0d\u540c\u5c40\u90e8\u73af\u5883\u4e0b\uff0cCu\u8868\u9762\u4e0a\u5bf9C2<\/sub>H4<\/sub>\u3001C2<\/sub>H5<\/sub>OH\u548cCH3<\/sub>COO–<\/sup>\u7684\u5f52\u4e00\u5316\u56fa\u6709\u6d3b\u6027\uff1b<\/p>\n

\uff08D\uff09\u5bf9\u6bd4\u6807\u51c6CORR\u6216CO2<\/sub>RR\uff0cCu-Ag\u50ac\u5316\u5242\u4ea7\u751f\u7684\u5c40\u90e8\u73af\u5883\u63d0\u4f9b\u7684\u50ac\u5316\u5dee\u5f02\u793a\u610f\u56fe\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u62a5\u9053\u4e86\u4e00\u79cdCu-Ag\u4e32\u8054\u5e73\u53f0\uff0c\u5b9e\u73b0\u4e86\u5728\u6d41\u52a8\u6c60\u4e2d\u5927\u7535\u6d41CO2<\/sub>\u7535\u89e3\u751f\u4ea7C2+<\/sub>\u4ea7\u7269\u3002\u5176\u4e2d\uff0cAg\u4ea7\u751f\u7684\u5c40\u90e8CO\u548c\u968f\u540e\u5728Cu\u4e0a\u5f62\u6210C-C\u952e\u662f\u8fc8\u5411\u9ad8\u901f\u7387C2+<\/sub>\u751f\u4ea7\u7684\u5173\u952e\u3002\u6b64\u5916\uff0c\u5728\u76f8\u540c\u7684Cu\u8868\u9762\u4e0a\uff0c\u4e32\u8054\u7684CO2<\/sub>\u8fd8\u539f\u5e73\u53f0\u4e2dC2<\/sub>H4<\/sub>\u548cC2<\/sub>H5<\/sub>OH\u7684\u8f6c\u5316\u7387\u663e\u7740\u9ad8\u4e8eCu\u5728\u7eafCO2<\/sub>\u6216\u7eafCO\u8fd8\u539f\u6761\u4ef6\u4e0b\u7684\u6d3b\u6027\u3002\u56e0\u6b64\uff0c\u9ad8\u901f\u7387\u4e32\u8054CO2<\/sub>\u7535\u89e3\u4ea7\u751f\u7684\u5c40\u90e8\u73af\u5883\u4e3a\u6269\u5c55CO2<\/sub>\u7535\u89e3\u7684\u50ac\u5316\u7a7a\u95f4\u63d0\u4f9b\u4e86\u65b0\u673a\u4f1a\u3002\u4f46\u662f\uff0c\u5c06\u6587\u4e2d\u7684\u50ac\u5316\u6982\u5ff5\u8f6c\u5316\u4e3a\u5b9e\u7528\u7684CO2<\/sub>\u7535\u89e3\uff0c\u9700\u8981\u8fdb\u884c\u7cfb\u7edf\u7684\u8bbe\u8ba1\uff0c\u4ee5\u51cf\u5c11CO2<\/sub>\u4e0e\u78b1\u6027\u7535\u89e3\u8d28\u7684\u76f8\u4e92\u4f5c\u7528\uff0c\u540c\u65f6\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\u4ecd\u8981\u5229\u7528\u5c40\u90e8\u6c22\u6c27\u5316\u7269\u7684\u50ac\u5316\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u9700\u8981\u4f7f\u7528\u7535\u6c60\u6280\u672f\u4f5c\u4e3a\u53ef\u6301\u7eed\u53d1\u5c55\u7535\u89e3\u8d28\u7684\u591a\u5c3a\u5ea6\u7b56\u7565\u6765\u8fdb\u4e00\u6b65\u63a2\u7d22\u50ac\u5316\u5242\u8bbe\u8ba1\uff0c\u4ee5\u5b9e\u73b0\u5b9e\u9645\u7684\u4e32\u8054\u50ac\u5316CO2<\/sub>\u7535\u89e3\u7cfb\u7edf\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aCu-Ag Tandem Catalysts for High-Rate CO2<\/sub> Electrolysis toward Multicarbons<\/a><\/strong>\uff08Joule<\/em>, 2020<\/strong>, DOI: 10.1016\/j.joule.2020.07.009\uff09<\/p>\n

\u672c\u6587\u7531CQR\u7f16\u8bd1\u3002<\/p>\n

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