{"id":260936,"date":"2024-06-19T06:54:41","date_gmt":"2024-06-18T22:54:41","guid":{"rendered":"\/\/m.iemloyee.com\/?p=260936"},"modified":"2024-10-26T21:08:08","modified_gmt":"2024-10-26T13:08:08","slug":"chemical-engineering-journal%ef%bc%9a%e5%8d%a4%e5%8c%96%e7%89%a9%e6%b0%a7%e5%8c%96%e4%bb%8b%e5%af%bc%e7%9a%84%e4%b9%99%e7%83%af%e7%94%b5%e5%82%ac%e5%8c%96%e8%bd%ac%e5%8c%96%e4%b8%ba%e7%8e%af%e6%b0%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=260936","title":{"rendered":"Chemical Engineering Journal\uff1a\u5364\u5316\u7269\u6c27\u5316\u4ecb\u5bfc\u7684\u4e59\u70ef\u7535\u50ac\u5316\u8f6c\u5316\u4e3a\u73af\u6c27\u4e59\u70f7"},"content":{"rendered":"
\u3010\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u73af\u6c27\u4e59\u70f7 (CH2<\/sub>CH2<\/sub>O\uff1b\u8868\u793a\u4e3a EO) \u5e7f\u6cdb\u7528\u4e8e\u5236\u9020\u9632\u51bb\u5242\u3001\u7ea4\u7ef4\u548c\u805a\u5408\u7269\uff0c\u662f\u751f\u4ea7\u6700\u5e7f\u6cdb\u7684\u5316\u5b66\u54c1\u4e4b\u4e00\uff0c\u5e74\u4ea7\u91cf\u8d85\u8fc72000\u4e07\u5428\u3002\u65e9\u671f\u7684\u5546\u4e1a\u5316EO\u5408\u6210\u4e3b\u8981\u4f7f\u7528\u6c2f\u9187\u7684\u5de5\u827a\uff0c\u4f7f\u7528Cl2<\/sub>\u6c14\u4f53\u548cCa(OH)2<\/sub>\u5bf9\u4e59\u70ef\u8fdb\u884c\u4e24\u6b65\u95f4\u63a5\u6c27\u5316\u3002\u7136\u800c\uff0c\u7531\u4e8e\u6709\u6bd2 Cl2<\/sub>\u6c14\u4f53\u7684\u50a8\u5b58\u548c\u526f\u4ea7\u54c1CaCl2<\/sub>\u7684\u5904\u7406\u5b58\u5728\u56f0\u96be\uff0c\u56e0\u6b64\u95f4\u63a5\u5de5\u827a\u88ab\u5728\u9ad8\u6e29\u9ad8\u538b\u4e0b\u4f7f\u7528Ag\u4f5c\u4e3a\u50ac\u5316\u5242\u548cO2<\/sub>\u76f4\u63a5\u6c27\u5316\u53cd\u5e94\u6240\u53d6\u4ee3\u3002\u76f4\u63a5\u4e59\u70ef\u6c27\u5316\u63d0\u4f9b\u4e86\u9ad8 EO\u9009\u62e9\u6027\uff0c\u800c\u6ca1\u6709\u53cd\u5e94\u5668\u8150\u8680\u7684\u98ce\u9669\u3002\u7136\u800c\uff0c\u5728\u73af\u6c27\u4e59\u70f7\u751f\u4ea7\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u5927\u91cf\u526f\u4ea7\u54c1\u4e8c\u6c27\u5316\u78b3\uff08\u6bcf\u5428\u73af\u6c27\u4e59\u70f7\u4f1a\u4ea7\u751f0.9\u5428\u4e8c\u6c27\u5316\u78b3\uff09\u4ee5\u53ca\u5728\u5316\u77f3\u71c3\u6599\u6761\u4ef6\u4e0b\u7684\u4e59\u70ef\u8fc7\u6c27\u5316\u53cd\u5e94\uff0c\u5f15\u53d1\u4e25\u91cd\u7684\u73af\u5883\u95ee\u9898\u3002\u7136\u800c\uff0c\u7535\u50ac\u5316\u6c2f\u9187\u5de5\u827a\u6765\u66ff\u4ee3\u4f20\u7edf\u7684\u6c2f\u9187\u548c\u94f6\u50ac\u5316\u80fd\u89e3\u51b3\u4e0a\u8ff0\u6240\u6709\u95ee\u9898\u3002\u5c3d\u7ba1\u8fd9\u4e9b\u7814\u7a76\u5177\u6709\u5f00\u521b\u6027\uff0c\u4f46\u5b83\u4eec\u5e76\u672a\u9002\u5f53\u7684\u89e3\u51b3\u7535\u50ac\u5316\u5728\u50ac\u5316\u5242\u6210\u672c\u3001FE \u548c\u7a33\u5b9a\u6027\u65b9\u9762\u9762\u4e34\u7684\u6311\u6218\u3002<\/p>\n \u3010\u6210\u679c\u63a0\u5f71\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u97e9\u56fd\u5e86\u5317\u5927\u5b66Hyunwoong\u00a0Park\u6559\u6388\u7b49\u4eba\u4f7f\u7528\u9ad8\u6027\u80fdPt-RuO2<\/sub>\u00a0\/TiO2<\/sub>\u7535\u50ac\u5316\u5242\u6bd4\u8f83\u4e86\u4e09\u79cd\u5364\u7d20\u7269\u8d28\u4ecb\u5bfc\u7684\u4e59\u70ef\u6c27\u5316\uff0c\u5e76\u4e14\u6280\u672f\u7ecf\u6d4e\u5206\u6790\u8868\u660e\u5de5\u4e1a\u5316\u7684\u53ef\u80fd\u6027\u3002\u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u201cElectrocatalytic conversion of ethylene to ethylene oxide mediated by halide oxidation: Chloride vs. Bromide vs. Iodide<\/i><\/b><\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u56fd\u9645\u8457\u540d\u671f\u520aChemical Engineering Journal<\/i><\/b><\/em><\/strong>\uff08IF: 15.1, \u4e2d\u79d1\u9662\u5206\u533a\uff1a\u4e00\u533a\uff09\u4e0a\u3002\u97e9\u56fd\u5e86\u5317\u5927\u5b66\u80fd\u6e90\u5de5\u7a0b\u5b66\u9662\u535a\u58eb\u6881\u6960\u6960\u4e3a\u7b2c\u4e00\u4f5c\u8005\uff0cHyunwoong\u00a0Park\u6559\u6388\u4e3a\u7b2c\u4e00\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n \u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/b><\/strong><\/p>\n 1\u3001\u8be5\u5de5\u4f5c\u8868\u660e\u5728\u6c2f\u5316\u7269\u548c\u6eb4\u5316\u7269\u7684\u6c34\u6eb6\u6db2\u4e2d\uff0c\u5728\u6d3b\u6027\u6c2f\u548c\u6eb4\u7269\u8d28\u7684\u5b58\u5728\u4e0b\uff0cPt \u63ba\u6742\u7684RuO2<\/sub>\u548cTiO2<\/sub>\u590d\u5408\u6750\u6599 (Pt-RuO2<\/sub>\u00a0\/TiO2<\/sub>) \u7535\u50ac\u5316\u5242\u53ef\u4fc3\u4f7f\u4e59\u70ef\u6c27\u5316\u4e3aEO\uff0c\u6cd5\u62c9\u7b2c\u6548\u7387(FE)\u5206\u522b\u7ea6\u4e3a100%\u548c90%\u3002<\/p>\n 2\u3001\u5728J<\/i><\/em>= 500 mA cm-2<\/sup>\u6761\u4ef6\u4e0b\uff0c\u5c55\u793a\u4e86\u5177\u6709Pt-RuO2<\/sub>\u00a0\/TiO2<\/sub>\u9633\u6781\u7684\u819c\u5f0f\u548c\u65e0\u819c\u5f0f\u6d41\u52a8\u7535\u89e3\u69fd\u7528\u4e8e\u4e59\u70ef\u6c27\u5316\u548c\u5177\u6709Pt\/C\u9634\u6781\u7684\u6c27\u8fd8\u539f\u3002\u6280\u672f\u7ecf\u6d4e\u5206\u6790\u8868\u660e\uff0c\u4f7f\u7528\u65e0\u819c\u5f0f\u7535\u89e3\u69fd\u53ef\u5c06EO\u7684\u751f\u4ea7\u6210\u672c\u964d\u4f4e10%\u3002<\/p>\n \u3010\u6570\u636e\u6982\u89c8\u3011<\/b><\/strong><\/p>\n \u65b9\u68481. (a) \u4e59\u70ef\u90e8\u5206\u6c27\u5316\u4e3a\u73af\u6c27\u4e59\u70f7\u7684\u57fa\u672c\u53cd\u5e94\u9014\u5f84\uff0c\u4ee5\u6d3b\u6027\u5364\u7d20\u7269\u8d28 (HOX\uff1bX = Cl\u3001Br \u548c I) \u4e3a\u5a92\u4ecb\u3002\u8be5\u6c27\u5316\u8fc7\u7a0b\u5305\u62ec\u5364\u4ee3\u9187\u53cd\u5e94 (\u6b65\u9aa41\u548c2)\u3001\u78b1\u5316 (\u6b65\u9aa43) \u548c\u73af\u6c27\u5316 (\u6b65\u9aa44)\u3002 (b) \u8d28\u5b50\u4ea4\u6362\u819c (PEM) \u6d41\u52a8\u6c60\u793a\u610f\u56fe\u3002PEM \u6d41\u52a8\u6c60\u4e2d\u8026\u5408\u4e86 Pt-RuO\u00a02<\/sub>\u00a0\/TiO\u00a02<\/sub>\u9633\u6781\u548c Pt\/C \u9634\u6781\uff0c\u5206\u522b\u7528\u4e8e\u4e59\u70ef\u5230\u5364\u4ee3\u4e59\u9187 (X-EtOH) \u7684\u8f6c\u5316\u548c\u6c27\u8fd8\u539f\u3002\u4e59\u70ef\u6c14\u4f53\u548c\u6c34\u6027\u5364\u5316\u7269 (X = Cl \u548c Br) \u5206\u522b\u6d41\u5165\u9633\u6781\u5ba4\uff0c\u5176\u4e2d\u5f62\u6210\u7684\u5364\u4ee3\u4e59\u9187\u88ab\u7f9f\u57fa\u5316\u4ee5\u5f62\u6210\u73af\u6c27\u4e59\u70f7\u3002\u00a9 2024 Elsevier B.V.<\/p>\n \u56fe 1\u00a0.\u5408\u6210\u7684 Pt-RuO2<\/sub>\u00a0\/TiO2<\/sub>\u6837\u54c1\u7684\u8868\u9762\u8868\u5f81\u3002\uff08a\uff09X \u5c04\u7ebf\u884d\u5c04\u56fe\u3002\u4e3a\u4e86\u8fdb\u884c\u6bd4\u8f83\uff0c\u663e\u793a\u4e86 IrO\u00a02<\/sub>\u3001RuO2<\/sub>\u548c Co3<\/sub>O4<\/sub>\u7684\u884d\u5c04\u5149\u8c31\u3002\uff08b\uff09SEM \u56fe\u50cf\u3002\uff08c\uff09HR-TEM \u56fe\u50cf\uff08\u63d2\u56fe\uff1aSAED \u56fe\u6848\uff09\u3002\uff08d-g\uff09Ru\u3001Pt\u3001Ti \u548c O \u7684 XPS \u5149\u8c31\u3002\u00a9 2024 Elsevier B.V.<\/p>\n \u56fe 2\u3002\u5728 0.1 M NaCl \u4e2d\u5408\u6210\u7684 IrO2<\/sub>\u3001RuO2<\/sub>\u3001Co3<\/sub>O4<\/sub>\u548c Pt-RuO2<\/sub>\u00a0\/TiO2<\/sub>\u7684\u7535\u50ac\u5316\u6d3b\u6027\u6bd4\u8f83\u3002\uff08a\uff09\u83b7\u5f97\u7684\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u56fe\u3002\u63d2\u56fe\u663e\u793a\u4e86J<\/i><\/em>\u00a0\u00a0= 40 mA cm\u00a0\u22122<\/sup>\u65f6\u968f\u65f6\u95f4\u53d8\u5316\u7684E<\/i><\/em>\u53d8\u5316\u3002\uff08b\uff09\u00a0J<\/i><\/em>\u00a0\u00a0= 40 mA cm\u00a0\u22122<\/sup>\u65f6\u6d3b\u6027\u6c2f\u7269\u79cd\u7684\u4ea7\u751f\u60c5\u51b5\u3002\uff08c\uff09\u6cd5\u62c9\u7b2c\u6548\u7387 (FE)\u3002\uff08d\uff09Cdl<\/sub>\u548c Rct<\/sub>\u503c\u3002\uff08e\uff09\u5854\u83f2\u5c14\u659c\u7387\uff08\u5355\u4f4d\uff1amV dec\u00a0\u22121<\/sup>\uff09\u3002\u00a9 2024 Elsevier B.V.<\/p>\n \u56fe\u00a03 .\u4f7f\u7528\u00a0Pt-RuO2<\/sub>\u00a0\/TiO2<\/sub>\u548c\u540e\u7f9f\u57fa\u5316\u901a\u8fc7\u5364\u5316\u7269\u7535\u89e3\u5c06\u4e59\u70ef\u7535\u50ac\u5316\u8f6c\u5316\u4e3a\u73af\u6c27\u4e59\u70f7\u00a0(EO)\u3002\u00a0(a) \u5728\u00a0pH \u2248\u00a06 \u7684\u00a0NaCl\u3001NaBr \u548c\u00a0NaI\uff08\u5404\u00a00.1 M\uff09\u6eb6\u6db2\u4e2d\u83b7\u5f97\u7684\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u56fe\u3002\u00a0\u63d2\u56fe\u663e\u793a\u4e86J \u00a0= 40 mA cm\u00a0\u22122<\/sup>\u65f6\u968f\u65f6\u95f4\u53d8\u5316\u7684E\u53d8\u5316\u3002\u00a0(b) \u6e38\u79bb\u5364\u7d20\u7269\u8d28\u7684\u4ea7\u751f\u53ca\u5176\u00a0FE\u503c\u3002\u00a0(c) \u5728\u7528\u4e59\u70ef\u5439\u626b\u7684\u5364\u5316\u7269\u6eb6\u6db2\u4e2d\uff0c2-\u6c2f\u4e59\u9187\u00a0(Cl-EtOH)\u30012-\u6eb4\u4e59\u9187\u00a0(Br-EtOH) \u548c\u00a02-\u7898\u4e59\u9187\u00a0(I-EtOH) \u7684\u4ea7\u751f\u53ca\u5176\u00a0FE \u503c\u3002\u00a0(d) \u901a\u8fc7\u7f9f\u57fa\u5316\u5c06\u5364\u4ee3\u4e59\u9187\u5f52\u4e00\u5316\u8f6c\u5316\u4e3aEO\u3002\u00a9 2024 Elsevier B.V.<\/p>\n \u56fe4\u00a0.\u00a0pH\u503c\u5bf90.1 M NaCl\uff08a-d\uff09\u548c0.1 M NaBr\uff08e-h\uff09\u4e2d\u5364\u7d20\u7269\u8d28\u3001\u5364\u4ee3\u4e59\u9187\u548cEO\u751f\u6210\u7684\u5f71\u54cd\uff0cpH\u503c\u4e3a1\uff080.1 M HClO4<\/sub>\uff09\u30017\uff080.1 M KHPO4<\/sub>\uff09\u300110\uff080.1 M KHCO3<\/sub>\uff09\u548c13\uff080.1 M KOH\uff09\u3002\uff08a\u3001b\u3001e\u548cf\uff09\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u56fe\uff08E vs. SCE\u548cRHE\uff09\u3002\uff08c\u548cg\uff09pH\u4e3a1\u548c10\u65f6\u5364\u5316\u7269\u548c\u4e59\u70ef\u7684\u987a\u5e8f\u6c27\u5316\u53cd\u5e94\u3002\u65bd\u52a0J=<\/i><\/em>40 mA cm\u00a0\u22122<\/sup>\u768430\u5206\u949f\uff0c\u7136\u540e\u5173\u95ed\u7535\u89e3\u300210\u5206\u949f\u540e\uff0c\u4ee520 mL min\u00a0\u22121<\/sup>\u7684\u6d41\u901f\u5c06\u4e59\u70ef\u5439\u626b\u8fc7\u6eb6\u6db220\u5206\u949f\u3002\u5728\u6574\u4e2a60\u5206\u949f\u671f\u95f4\uff0c\u8bb0\u5f55\u4ea7\u7269\uff08\u5364\u7d20\u3001\u5364\u4ee3\u4e59\u9187\u548cEO\uff09\u7684\u6d53\u5ea6\u548cpH\u503c\u3002 (d \u548c h) \u4e0d\u540c pH \u503c\u4e0b\u5364\u4ee3\u4e59\u9187\u548c\u5364\u4ee3\u4e59\u9187\u7684EO\u548cFE\u6d53\u5ea6\u3002\u5bf9\u4e8e\u6bcf\u4e2a pH \u503c\uff0c\u5de6\u4fa7\u548c\u53f3\u4fa7\u6761\u5206\u522b\u8868\u793a\u6dfb\u52a0 KOH \u4e4b\u524d\u548c\u4e4b\u540e\u83b7\u5f97\u7684\u4ea7\u54c1\u3002\u201c\u65e0\u7f13\u51b2\u201d\u662f\u6307\u5728\u7eaf NaCl \u548c NaBr\uff08pH \u2248 5\uff09\u4e2d\u4e0d\u6dfb\u52a0\u7f13\u51b2\u5242\u7684\u60c5\u51b5\u4e0b\u83b7\u5f97\u7684\u60c5\u51b5\u3002<\/p>\n \u56fe 5\u00a0.\u5728pH\u00a0<\/i><\/em>\u4e3a 1\uff080.1 M HClO4<\/sup>\uff09\u7684\u6761\u4ef6\u4e0b\uff0c\u5728 NaCl \u548c NaBr\uff080.1\u30010.5 \u548c 1 M\uff09\u6eb6\u6db2\u4e2d\u4ee5 6\u300110 \u6216 20 mL min\u00a0-1<\/sup>\uff08\u9664\u975e\u53e6\u6709\u8bf4\u660e\uff0c\u5747\u4e3a 20 mL min\u00a0-1<\/sup>\uff09\u7684\u8fdb\u6599\uff08\u6d41\u901f\uff09\u7528\u4e59\u70ef\u5439\u626b\uff0c\u5728 J = 500 mA cm-2<\/sup>\u7684\u6761\u4ef6\u4e0b\u7535\u5316\u5b66\u751f\u6210 EO\u3002\uff08a\uff09\u7ebf\u6027\u626b\u63cf\u4f0f\u5b89\u56fe\u3002\uff08b\uff09EO \u968f\u65f6\u95f4\u7684\u53d8\u5316\u3002\uff08c\uff09\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684 FE\u00a0EO<\/sub>\u548cr\u00a0<\/i><\/em>EO<\/sub>\u503c\u3002\uff08d\uff09\u4e0d\u540c\u4e59\u70ef\u8fdb\u6599\u901f\u7387\uff08mL min\u00a0-1<\/sup>\uff09\u4e0b\u7684 EO \u4ea7\u91cf\u3002<\/p>\n<\/a><\/p>\n
<\/a><\/p>\n
<\/a><\/p>\n
<\/a><\/p>\n
<\/a><\/p>\n
<\/a><\/p>\n
<\/a><\/p>\n