{"id":246587,"date":"2023-01-31T06:00:13","date_gmt":"2023-01-30T22:00:13","guid":{"rendered":"\/\/m.iemloyee.com\/?p=246587"},"modified":"2023-01-29T21:57:31","modified_gmt":"2023-01-29T13:57:31","slug":"%e9%9f%a9%e5%b8%83%e5%85%b4%e9%99%a2%e5%a3%abchem-sci-%e6%99%b6%e4%bd%93%e6%88%90%e6%a0%b8%e7%94%9f%e9%95%bf%e5%8a%a8%e5%8a%9b%e5%ad%a6%e8%b0%83%e6%8e%a7%e9%93%9c%e6%b0%94%e5%87%9d%e8%83%b6%e9%ab%98","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=246587","title":{"rendered":"\u97e9\u5e03\u5174\u9662\u58ebChem. Sci.:\u6676\u4f53\u6210\u6838\u751f\u957f\u52a8\u529b\u5b66\u8c03\u63a7\u94dc\u6c14\u51dd\u80f6\u9ad8\u6548\u7535\u8fd8\u539fCO2\u5236\u5907\u591a\u78b3\u9187"},"content":{"rendered":"

\u7814\u7a76\u80cc\u666f<\/strong><\/p>\n

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\u601d\u8def\u4e0e\u521b\u65b0<\/strong><\/p>\n

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\u56fe\u6587\u89e3\u6790<\/strong><\/p>\n

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CO2<\/sub>\u8fd8\u539f\u53cd\u5e94\u5728\u6c14\u4f53\u6269\u6563\u6d41\u52a8\u7535\u89e3\u6c60\u4e2d\u8fdb\u884c\u3002\u4f7f\u7528wr-Cu\u4f5c\u4e3a\u50ac\u5316\u5242\uff0c\u5728 800 mA\/cm2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u603bC2+<\/sub>\u4ea7\u7269\u7684FE\u4e3a85.8%\u3002C2+<\/sub>\u9187\uff08\u4e59\u9187\u548c\u4e19\u9187\uff09\u7684\u9009\u62e9\u6027\u53ef\u8fbe\u523049.7%\uff0c\u5176\u90e8\u5206\u7535\u6d41\u5bc6\u5ea6\u9ad8\u8fbe397.6 mA\/cm2<\/sup>\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cC2+<\/sub>\u9187\u5728sr-Cu\u50ac\u5316\u5242\u4e0a\u7684FE\u4ec5\u4e3a17.3%\uff0c\u4e3b\u8981\u4ea7\u7269\u4e3a\u4e00\u6c27\u5316\u78b3(FE, 43.3%)\u3002\u4f5c\u4e3a\u4e3b\u8981\u7684C1<\/sub>\u4ea7\u7269\uff0c\u4e00\u6c27\u5316\u78b3\u7684FE\u968f\u7740\u7535\u6d41\u5bc6\u5ea6\u7684\u589e\u52a0\u9010\u6e10\u88ab\u6291\u5236\uff0c\u800cC2+<\/sub>\u4ea7\u7269\u7684\u9009\u62e9\u6027\u589e\u5927\u3002\u4ee5\u5728300 mA\/cm2<\/sup>\u548c800 mA\/cm2<\/sup>\u4e0b\uff0csr-Cu\u5c55\u73b0\u51fa\u6700\u9ad8\u7684\u4e00\u6c27\u5316\u78b3\u9009\u62e9\u6027\uff0c\u800cwr-Cu\u8868\u73b0\u51fa\u6700\u9ad8\u7684C2+<\/sub>\u4ea7\u7269\u9009\u62e9\u6027\uff0c\u8fd9\u8868\u660e*CO\u89e3\u79bb\u5bb9\u6613\u53d1\u751f\u5728sr-Cu\u4e0a\uff0c\u4f46*CO\u89e3\u79bb\u5728wr-Cu\u4e0a\u4f1a\u88ab\u6291\u5236\u3002 \u5bf9\u6bd4\u50ac\u5316\u5242\u7684\u6027\u80fd\u4ecb\u4e8esr-Cu\u548cwr-Cu\u4e4b\u95f4\uff0cCO\u9009\u62e9\u6027\u9075\u5faa wr-Cu < 1:5-Cu < 1:1-Cu < 5:1-Cu < sr-Cu \u7684\u9012\u589e\u987a\u5e8f\u3002\u5c06 Ds <\/sub>\u503c\u4e0eC2+<\/sub>\u4ea7\u7269\u7684\u9009\u62e9\u6027\u8fdb\u884c\u5173\u8054\uff0c\u53d1\u73b0\u5176\u5448\u73b0\u51fa\u7ebf\u6027\u5173\u7cfb\uff08\u56fe2e\uff09\u8868\u660e\u50ac\u5316\u5242\u4e2d\u7684\u7f3a\u9677\u6c34\u5e73\u4e0e\u7535\u5316\u5b66CO2<\/sub>\u5230C2+<\/sub>\u4ea7\u7269\u7684\u6027\u80fd\u76f4\u63a5\u76f8\u5173\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2. sr-Cu (a)\u548c wr-Cu (b)\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u4e8c\u6c27\u5316\u78b3\u4ea7\u7269\u5206\u5e03, \u5728 (c) 300 mA\/cm2<\/sup>\u548c (d) 800 mA\/cm2<\/sup> \u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u4e0d\u540c\u50ac\u5316\u5242\u4e0a\u7684 CO \u548c C2+<\/sub> \u6cd5\u62c9\u7b2c\u6548\u7387\u3002(e)\u6750\u6599Ds<\/sub>\u503c\u4e0e\u5728800 mA\/cm2<\/sup> \u7684\u7535\u6d41\u5bc6\u5ea6\u4e0bC2+<\/sub>\u6cd5\u62c9\u7b2c\u6548\u7387\u5173\u7cfb\u56fe\u3002(f) \u5728 800 mA\/cm2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cC2+<\/sub>\u9187\u7684\u6cd5\u62c9\u7b2c\u6548\u7387\u548c\u5206\u7535\u6d41\u5bc6\u5ea6\u3002<\/p>\n

\u63a5\u7740\u8fdb\u884c\u4e86\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u7814\u7a76\u3002\u4f17\u6240\u5468\u77e5\uff0cCO2<\/sub>RR\u4e2dC2+<\/sub>\u4ea7\u7269\u7684\u6d3b\u6027\u548c\u9009\u62e9\u6027\u4e0e*CO\u4e2d\u95f4\u4f53\u7684\u5f62\u6210\u548c\u968f\u540e\u5728\u50ac\u5316\u5242\u8868\u9762\u7684\u4e8c\u805a\u5bc6\u5207\u76f8\u5173\u3002\u5982\u56fe3a\u548c3b\u6240\u793a\uff0c\u5728400-650 cm-1<\/sup>\u8303\u56f4\u5185\u6ca1\u6709\u6307\u5411Cu2<\/sub>O\u7684\u5cf0\uff0c\u8fd9\u8868\u660e\u5728\u8fd8\u539f\u65f6sr-Cu\u548cwr-Cu\u7684\u8868\u9762\u4e0a\u6ca1\u6709Cu+<\/sup>\u7269\u79cd\u3002\u968f\u7740\u8fc7\u7535\u4f4d\u7684\u589e\u52a0\uff0csr-Cu\u548cwr-Cu\u5728365 cm-1<\/sup>\u548c1560 cm-1<\/sup>\u5904\u90fd\u51fa\u73b0\u4e86\u660e\u663e\u7684\u9707\u52a8\u5cf0\uff0c\u5206\u522b\u5bf9\u5e94\u7740Cu-CO\u548cO=C-C-OH\u7684\u632f\u52a8\u3002O=C-C-OH\u4e2d\u95f4\u4f53\u7684\u51fa\u73b0\u8868\u660e*CO\u4e8c\u805a\u540e\uff0c\u4e8c\u805a\u4f53\u7684\u6c27\u539f\u5b50\u76f8\u5bf9\u4e8e\u78b3\u539f\u5b50\u66f4\u5bb9\u6613\u88ab\u6c22\u5316\u3002\u5728\u66f4\u8d1f\u7684\u7535\u4f4d\uff08-0.5V\uff0c-0.6 V\uff09\u65f6\uff0cCu-CO\u9707\u52a8\u5728sr-Cu\u4e0a\u6d88\u5931\uff0c\u4f46\u5728wr-Cu\u4e0a\u4ecd\u7136\u6e05\u6670\u53ef\u89c1\uff0c\u8fd9\u8868\u660e*CO\u5728wr-Cu\u4e0a\u7684\u5438\u9644\u66f4\u5f3a\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff0cwr-Cu\u6c14\u51dd\u80f6\u53ef\u4ee5\u6709\u6548\u7a33\u5b9a*CO\u4e2d\u95f4\u4f53\u5e76\u4fc3\u8fdbC-C\u5076\u8054\u6709\u5229\u4e8eC2+<\/sub>\u4ea7\u7269\u8def\u5f84\u7684\u53d1\u751f\u3002\u540c\u65f6\uff0c\u7535\u5316\u5b66CO\u6eb6\u51fa\u4f0f\u5b89\u6cd5\u6d4b\u8bd5\u4e5f\u8868\u660ewr-Cu\u5bf9CO\u5177\u6709\u66f4\u5f3a\u7684\u7ed3\u5408\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u7684\u8fd8\u539f\u5242\u8c03\u8282Cu\u7684\u6210\u6838\u548c\u751f\u957f\u901f\u7387\uff0c\u53ef\u4ee5\u6539\u53d8Cu\u6c14\u51dd\u80f6\u8868\u9762\u7684\u7f3a\u9677\u6c34\u5e73\uff0c\u5e76\u4e14\u53ef\u4ee5\u8c03\u8282*CO\u4e2d\u95f4\u4f53\u7684\u89e3\u79bb\u548c\u4e8c\u805a\u7684\u80fd\u529b\u6700\u7ec8\u5b9e\u73b0C2+<\/sub>\u4ea7\u7269\u9009\u62e9\u6027\u7684\u8c03\u8282\uff08\u56fe3d\uff09\u3002\u5177\u4f53\u6765\u8bf4\u5c31\u662f\uff0c\u5f3a\u8fd8\u539f\u5242\u5728\u94dc\u6c14\u51dd\u80f6\u4e2d\u5f15\u8d77\u5927\u91cf\u7684\u7f3a\u9677\uff0c\u8fd9\u6709\u5229\u4e8e*CO\u4e2d\u95f4\u4f53\u7684\u89e3\u79bb\u8fc7\u7a0b\uff0c\u4ece\u800c\u53ef\u4ee5\u83b7\u53d6\u9ad8CO\u9009\u62e9\u6027\u3002\u800c\u5f31\u8fd8\u539f\u5242\u5f62\u6210\u7684\u4f4e\u7f3a\u9677\u94dc\u6c14\u51dd\u80f6\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u589e\u5f3aCO\u4e2d\u95f4\u4f53\u7684\u5438\u9644\u5f3a\u5ea6\uff0c\u540c\u65f6\u53ef\u4ee5\u4f7fCO\u4e2d\u95f4\u4f53\u5438\u9644\u6709\u5e8f\u5316\uff0c\u6709\u6548\u5730\u4fc3\u8fdbC-C\u8026\u5408\u5f62\u6210C2+<\/sub>\u4ea7\u7269\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3. (a) sr-Cu\u548c(b) wr-Cu\u5728\u4e0d\u540c\u7535\u4f4d\u4e0b\u7684\u539f\u4f4d\u62c9\u66fc\u5149\u8c31\u3002(c) sr-Cu\u30011:1-Cu\u548c wr-Cu\u5728CO\u9971\u548c\u76840.1 M Na2<\/sub>SO4<\/sub>\u6eb6\u6db2\u4e2d\u7684\u7535\u5316\u5b66CO\u6eb6\u51fa\u4f0f\u5b89\u6cd5\u6d4b\u8bd5\u3002(d) \u4e0d\u540c\u94dc\u6c14\u51dd\u80f6\u8868\u9762\u7684\u6784\u6548\u5173\u7cfb\u56fe\u3002<\/p>\n

\u8003\u8651\u5230*CO\u4e2d\u95f4\u4f53\u5728CO2<\/sub>\u8fd8\u539f\u4e2d\u6bd4\u8f83\u5173\u952e\uff0c\u5176\u5728\u6d3b\u6027\u4f4d\u70b9\u7684\u5438\u9644\u5f3a\u5ea6\u4f1a\u6539\u53d8CO2<\/sub>\u8fd8\u539f\u4ea7\u7269\u7684\u9009\u62e9\u6027\u3002\u8fd9\u91cc\u9009\u62e9Cu(111)\u3001Cu(111)-\u4f4d\u9519\u3001Cu(111)-\u53f0\u9636\u548cCu(111)-\u4f4d\u9519\/\u53f0\u9636\u56db\u79cd\u6a21\u578b\u7ed3\u6784\u8fdb\u884c*CO\u4e2d\u95f4\u4f53\u7684\u5f62\u6210\u3001\u89e3\u79bb\u548c\u8026\u5408\u8fc7\u7a0b\u7684\u6a21\u62df\u3002 \u5982\u56fe 4a \u6240\u793a\uff0c\u6211\u4eec\u5206\u522b\u5c06\u5b83\u4eec\u8868\u793a\u4e3a Cu-p\u3001Cu-d\u3001Cu-s\u548cCu-d\/s\u3002\u5728CO2<\/sub>RR\u8fc7\u7a0b\u4e2d\uff0c\u6709\u7f3a\u9677\u7684Cu\u7ed3\u6784\uff08Cu-d\u3001Cu-s\u548cCu-d\/s\uff09\u53ef\u4ee5\u964d\u4f4eCO2<\/sub>\u6c22\u5316\u7684\u53cd\u5e94\u80fd\uff0c\u6709\u5229\u4e8e*CO\u4e2d\u95f4\u4f53\u5f62\u6210\u3002 \u7136\u800c\uff0c\u5728\u6709\u7f3a\u9677\u7684Cu\u7ed3\u6784\u4e0a\uff0c*CO\u89e3\u79bb\u5f62\u6210\u4e00\u6c27\u5316\u78b3\u7684\u80fd\u91cf\u663e\u7740\u964d\u4f4e\uff08\u56fe4c\uff09\uff0c\u540c\u65f6\uff0c\u4e0e*CO \u4e2d\u95f4\u4f53\u7684\u4e8c\u805a\u53cd\u5e94\u80fd\u5728\u6709\u7f3a\u9677\u7684 Cu \u7ed3\u6784\u4e0a\u5448\u4e0a\u5347\u8d8b\u52bf\u3002 \u8fdb\u4e00\u6b65\u5206\u6790\u53d1\u73b0*CO\u4e2d\u95f4\u4f53\u7684\u4e8c\u805a\u5728Cu-p\u8868\u9762\u6700\u5bb9\u6613\u53d1\u751f\uff0c\u800c*CO\u89e3\u79bb\u662f\u5728Cu-d\/s\u8868\u9762\u6700\u5bb9\u6613\u53d1\u751f\u3002 \u8fd9\u8fdb\u4e00\u6b65\u8868\u660e\uff0c\u4e0e Cu-d\u3001Cu-s\u548cCu-d\/s\u76f8\u6bd4\uff0cCu-p\u7ed3\u6784\u53ef\u4ee5\u63d0\u9ad8 C2+<\/sub> \u9009\u62e9\u6027\u3002<\/p>\n

\"\"<\/p>\n

\u56fe4. Cu(111)\u3001Cu(111)-\u4f4d\u9519\u3001Cu(111)-\u9636\u68af\u548c Cu(111)-\u4f4d\u9519\/\u9636\u68af\u56db\u79cd\u7ed3\u6784\u6a21\u578b(a)\u3002 (b) CO2<\/sub>\u5230*CO \u4e2d\u95f4\u4f53\u7684\u5409\u5e03\u65af\u81ea\u7531\u80fd\u56fe\u3002 (c) \u5728\u56db\u79cd\u94dc\u7ed3\u6784\u4e0a\uff0c*CO \u89e3\u79bb\u6210CO \u548c *CO \u5076\u8054\u6210 *OCCO \u7684\u53cd\u5e94\u80fd\u3002 (d)*CO\u8026\u5408\u5230*OCCO\u548c*CO\u89e3\u79bb\u5230CO\u7684\u53cd\u5e94\u80fd\u5dee\u3002<\/p>\n

\u603b\u7ed3\u4e0e\u5c55\u671b<\/strong><\/p>\n

\u7814\u7a76\u4eba\u5458\u53d1\u73b0\u6676\u4f53\u751f\u957f\u52a8\u529b\u5b66\u65b9\u6848\u53ef\u4ee5\u8c03\u63a7\u94dc\u6c14\u51dd\u80f6\u8868\u9762\u7684\u6709\u6548\u6d3b\u6027\u4f4d\u70b9\uff0c\u63d0\u9ad8C2+<\/sub>\u4ea7\u7269\u7684\u9009\u62e9\u6027\u3002\u5f31\u8fd8\u539f\u5242\u5236\u5907\u7684wr-Cu\uff0c\u5728800 mA\/cm2<\/sup>\u7535\u6d41\u5bc6\u5ea6\uff0cC2+<\/sub>\u4ea7\u7269\u7684FE\u53ef\u8fbe85.8%\uff0c\u5176\u4e2d\u4e0bC2+<\/sub>\u9187\u9009\u62e9\u6027\u4e3a49.7%\uff0c\u90e8\u5206\u7535\u6d41\u5bc6\u5ea6\u9ad8\u8fbe397.6 mA\/cm2<\/sup>\u3002*CO\u4e2d\u95f4\u4f53\u5728wr-Cu\u4e0a\u7684\u5438\u9644\u660e\u663e\u589e\u5f3a\uff0c\u4e3aC-C\u5076\u8054\u548c\u8fdb\u4e00\u6b65\u8fd8\u539f\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u524d\u4f53\u3002\u8fdb\u4e00\u6b65\u7684\u7406\u8bba\u7814\u7a76\u8868\u660e\uff0cCO\u5728Cu\u4f4d\u70b9\u7684\u5438\u9644\u5f3a\u5ea6\u53d6\u51b3\u4e8e\u7f3a\u9677\u7684\u6027\u8d28\u3002\u9ad8\u7f3a\u9677\u6d53\u5ea6\u7684\u7ed3\u6784\u53ef\u4ee5\u964d\u4f4e*CO\u4e2d\u95f4\u4f53\u7684\u89e3\u79bb\u80fd\uff0c\u6709\u5229\u4e8e\u4e00\u6c27\u5316\u78b3\u7684\u4ea7\u751f\u3002\u800c\u5177\u6709\u76f8\u5bf9\u5e73\u5766\u7684\u4f4e\u7f3a\u9677\u6d53\u5ea6\u94dc\u6c14\u51dd\u80f6\u6709\u5229\u4e8eC-C\u5076\u8054\u9014\u5f84\uff0c\u4ece\u800c\u5c55\u73b0\u51faC2+<\/sub>\u4ea7\u7269\u7684\u9ad8\u9009\u62e9\u6027\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u9488\u5bf9 CO2<\/sub>RR\u4e2dC2+<\/sub>\u4ea7\u7269\u7684\u9ad8\u6548\u50ac\u5316\u5242\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u4e00\u6761\u65b0\u9014\u5f84\uff0c\u5e76\u4e3a\u6750\u6599\u8868\u9762\u7f3a\u9677\u5728\u7535\u5316\u5b66\u4e2d\u7684\u4f5c\u7528\u63d0\u51fa\u4e86\u65b0\u7684\u89c1\u89e3\u3002<\/p>\n

\u539f\u6587\u4fe1\u606f<\/strong><\/p>\n

A crystal growth kinetics guided Cu aerogel for highly efficient CO2 electrolysis to C2+ alcohols<\/p>\n

Li, Pengsong, Jiahui Bi, Jiyuan Liu, Qinggong Zhu, Chunjun Chen, Xiaofu Sun, Jianling Zhang, Zhimin Liu, and Buxing Han. Chemical Science, 2023,14(2), 310-316.<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/doi.org\/10.1039\/D2SC04961A<\/p>\n

\u672c\u6587\u7531\u4f5c\u8005\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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