{"id":243270,"date":"2022-10-14T09:22:51","date_gmt":"2022-10-14T01:22:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=243270"},"modified":"2022-10-14T09:22:51","modified_gmt":"2022-10-14T01:22:51","slug":"%e5%8c%97%e4%ba%ac%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6%e7%8e%8b%e5%8d%9a%e5%86%af%e5%ae%b5%ef%bc%8c%e6%9c%80%e6%96%b0science%ef%bc%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=243270","title":{"rendered":"\u5317\u4eac\u7406\u5de5\u5927\u5b66\u738b\u535a&\u51af\u5bb5\uff0c\u6700\u65b0Science\uff01"},"content":{"rendered":"

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

\u5546\u7528\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\uff08roton-exchange membrane fuel cells, PEMFCs\uff09\u6b63\u6781\u4e0a\u7684\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u901a\u5e38\u7531\u94c2\uff08Pt\uff09\u57fa\u50ac\u5316\u5242\u50ac\u5316\u3002\u7136\u800c\uff0c\u5728\u4fdd\u6301\u9ad8\u529f\u7387\u5bc6\u5ea6\u548c\u8010\u7528\u6027\u65f6\uff0c\u51cf\u5c11PEMFCs\u7684Pt\u8d1f\u8f7d\u91cf\u4ecd\u7136\u5177\u6709\u6311\u6218\u6027\u3002\u901a\u8fc7\u5408\u91d1\u5316\u548c\u7eb3\u7c73\u7ed3\u6784\u7b56\u7565\u5236\u5907\u65b0\u7684\u50ac\u5316\u5242\uff0c\u4f46\u5176\u6027\u80fd\u5e38\u901a\u8fc7\u65cb\u8f6c\u5706\u76d8\u7535\u6781\uff08RDE\uff09\u6280\u672f\u8fdb\u884c\u8bc4\u4f30\uff0c\u5f88\u96be\u8f6c\u5316\u4e3a\u819c\u7535\u6781\u3002\u5728\u819c\u7535\u6781\u7ec4\u4ef6\uff08MEA\uff09\u7684\u50ac\u5316\u5242\u5c42\uff08CL\uff09\u4e2d\uff0cORR\u53d1\u751f\u5728\u6c27-\u6c34-\u50ac\u5316\u5242\u4e09\u76f8\u754c\u9762\u3002\u76ee\u524d\uff0c\u5168\u6c1f\u78fa\u9178\u805a\u5408\u7269\uff08PFSA\u6216Nafion\uff09\u662f\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u79bb\u805a\u7269\uff0c\u4f46PFSA\u5305\u8986\u50ac\u5316\u5242\u5bfc\u81f4\u9ad8\u6c14\u4f53\u6269\u6563\u963b\u529b\u3002\u6b64\u5916\uff0cNafion\u4e2d\u7684-SO3<\/sub>H\u57fa\u56e2\u53ef\u5f3a\u70c8\u5438\u9644\u5e76\u5360\u636ePt\u8868\u9762\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u4ece\u800c\u964d\u4f4ePt\u6d3b\u6027\uff0c\u8fdb\u800c\u964d\u4f4e\u76f8\u5e94\u7684\u8d28\u91cf\u6d3b\u6027\uff08MA\uff09\u548c\u529f\u7387\u5bc6\u5ea6\u3002<\/p>\n

\u867d\u7136\u52a0\u5165\u758f\u6c34\u6027\u805a\u56db\u6c1f\u4e59\u70ef\u6216\u9020\u5b54\u6750\u6599\u7b49\u6dfb\u52a0\u5242\u53ef\u4ee5\u6539\u5584\u4f20\u8d28\uff0c\u4f46\u662f\u5728\u4e0d\u727a\u7272CL\u4e2d\u8d28\u5b50\u7535\u5bfc\u7387\u4e0b\u4f18\u5316\u6c14\u4f53\u6269\u6563\uff0c\u4ee5\u5b9e\u73b0\u4f4ePt\u8d1f\u8f7d\u91cf\u7684\u9ad8\u6548\u71c3\u6599\u7535\u6c60\u4ecd\u9762\u4e34\u7740\u5de8\u5927\u6311\u6218\u3002\u5171\u4ef7\u6709\u673a\u9aa8\u67b6\uff08COFs\uff09\u662f\u4e00\u7c7b\u7ed3\u6676\u591a\u5b54\u805a\u5408\u7269\uff0c\u5176\u5177\u6709\u539f\u5b50\u9884\u5148\u8bbe\u8ba1\u7684\u7ed3\u6784\u3001\u9ad8\u6bd4\u8868\u9762\u79ef\u7b49\u4f18\u70b9\uff0c\u5728\u4f20\u8d28\u65b9\u9762\u663e\u793a\u51fa\u663e\u8457\u7684\u6f5c\u529b\u3002\u4f46\u662f\uff0c\u5b83\u4eec\u7684\u673a\u68b0\u6027\u80fd\u4ee5\u53ca\u71c3\u6599\u7535\u6c60\u4e2d\u4ece\u8d1f\u6781\u5230\u6b63\u6781\u7684H2<\/sub>\u4ea4\u53c9\u98ce\u9669\u4e3a\u5176\u5b9e\u9645\u5e94\u7528\u5e26\u6765\u4e86\u969c\u788d\u3002
\n \"\"\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u57282022\u5e7410\u670813\u65e5\uff0c\u5317\u4eac\u7406\u5de5\u5927\u5b66\u738b\u535a\u6559\u6388\u548c\u51af\u5bb5\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u901a\u8fc7\u5c06\u78fa\u9178\u529f\u80fd\u5316\u7684DhaTab-COF\uff08SDT-COF\uff09\u4f5c\u4e3a\u590d\u5408\u79bb\u805a\u4f53\uff08\u76f8\u5e94\u7684CL\u8868\u793a\u4e3aPt\/C@SDT-Nafion)\u3002SDT-COF\u5177\u6709\u7531\u5206\u5b50\u6784\u5efa\u5355\u5143\u5206\u9694\u7684\u56fa\u6709\u516d\u8fb9\u5f62\u7eb3\u7c73\u5b54\uff0c\u4f7fCL\u5177\u6709\u6539\u8fdb\u7684\u6c14\u4f53\u4f20\u8f93\u80fd\u529b\u3002\u4e0e\u5b54\u58c1\u76f8\u8fde\u7684-SO3<\/sub>H\u57fa\u56e2\u786e\u4fdd\u4e86\u901a\u9053\u5185\u7684\u5feb\u901f\u8d28\u5b50\u4f20\u5bfc\uff0c\u800cNafion\u6709\u52a9\u4e8e\u964d\u4f4eCOF\u7eb3\u7c73\u7247\u4e4b\u95f4\u7684\u754c\u9762\u963b\u6297\u3002SDT-COF\u7684\u786c\u5ea6\u548c\u9ad8\u5b54\u9699\u7387\u4e5f\u6709\u52a9\u4e8e\u51cf\u5f31-SO3<\/sub>H\u57fa\u56e2\u5728Pt\u4e0a\u7684\u5438\u9644\u3002\u901a\u8fc7\u5bf9\u5177\u6709\u4e0d\u540c\u5b54\u5f84\u7684\u5176\u4ed6COF\u4ee5\u53ca\u5176\u4ed6\u521a\u6027\u78fa\u5316\u6750\u6599\u8fdb\u884c\u63a7\u5236\u5b9e\u9a8c\uff0c\u8bc1\u660e\u4e86\u8be5COFs\u7684\u7279\u6b8a\u6027\u80fd\u3002\u5728CL\u4e2d\u6dfb\u52a0\u5e26\u6709\u4ecb\u5b54\u5b54\u5f84\u7684COFs\u53ef\u4fc3\u8fdb\u4e09\u76f8\u754c\u9762\u7684ORR\uff0c\u5e76\u6539\u5584Pt\u7684\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u4f4ePt\u8d1f\u8f7d\u7684PEMFCs\u7684\u9ad8\u529f\u7387\u5bc6\u5ea6\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cCovalent organic framework\u2013based porous ionomers for high-performance fuel cells\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aScience<\/em>\u4e0a\u3002<\/p>\n

\u3010\u6570\u636e\u6982\u89c8\u3011<\/p>\n

\u56fe\u4e00\u3001Pt\/C@COF-Nafion\u7684\u6982\u8ff0<\/strong>\u00a92022 American Association for the Advancement of Science<\/p>\n

\"\"<\/p>\n

\u56fe\u4e8c\u3001SDT-COF\u7684\u7ed3\u6784\u7279\u5f81<\/strong>\u00a92022 American Association for the Advancement of Science<\/p>\n

\"\"<\/p>\n

\u56fe\u4e09\u3001\u71c3\u6599\u7535\u6c60\u6027\u80fd\u548c\u8010\u4e45\u6027<\/strong>\u00a92022 American Association for the Advancement of Science<\/p>\n

\"\"<\/p>\n

\u56fe\u56db\u3001\u6bd4\u8f83\u8d28\u91cf\u4f20\u8f93\u6027\u80fd<\/strong>\u00a92022 American Association for the Advancement of Science<\/p>\n

\"\"<\/p>\n

\u56fe\u4e94\u3001\u4e2d\u6bd2\u6548\u5e94<\/strong>\u00a92022 American Association for the Advancement of Science<\/p>\n

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

\u603b\u4e4b\uff0c\u901a\u8fc7\u5f15\u5165COFs\uff0c\u5728\u4f4ePt\u8d1f\u8f7d\uff080.07 mgPt<\/sub> cm-2<\/sup>\uff09\u4e0b\uff0c\u4f7f\u7528\u672a\u6539\u6027\u7684\u5546\u7528Pt\/C\u3001PtCo\/C\u6216Pt\/KB\u50ac\u5316\u5242\uff0cMA\u3001\u8010\u4e45\u6027\u548c\u7c89\u672b\u5bc6\u5ea6\u53ef\u4ee5\u8d85\u8fc7\u6216\u63a5\u8fd1DOE\u76ee\u6807\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u4f7f\u7528\u805a\u82ef\u4e59\u70ef\u78fa\u9178\uff08PSA\uff09\u53d6\u4ee3\u50ac\u5316\u5c42\u4e2d\u7684Nafion\uff0c\u5728\u6ca1\u6709\u8fdb\u4e00\u6b65\u4f18\u5316\u4e0b\uff0c\u4f7f\u7528PSA-COF\u79bb\u805a\u4f53\u7684MEA\u6027\u80fd\u4e0e\u7eafNafion\u7684\u6027\u80fd\u76f8\u5f53\u3002\u5bf9\u4e8e\u79bb\u805a\u4f53\u7684\u8bbe\u8ba1\u539f\u5219\uff0c\u4f5c\u8005\u5728\u7ebf\u6027\u79bb\u805a\u4f53\u4e2d\u5f15\u5165\u4e86\u5177\u6709\u4ecb\u5b54\u5b54\u5f84\u7684\u521a\u6027\u7f51\u7edc\u7eb3\u7c73\u7247\uff0c\u800c\u4e0d\u727a\u7272\u8d28\u5b50\u7535\u5bfc\u7387\u3002\u79bb\u5b50\u578bCOFs\u7684\u70ed\u7a33\u5b9a\u6027\u548c\u7ed3\u6784\u8bbe\u8ba1\u6027\u4e5f\u4f7f\u5176\u5728\u9ad8\u6e29\u71c3\u6599\u7535\u6c60\u548c\u78b1\u6027\u71c3\u6599\u7535\u6c60\u4e2d\u5177\u6709\u5e7f\u9614\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aCovalent organic framework-based porous ionomers for high-performance fuel cells<\/a><\/strong>. Science<\/em>, 2022<\/strong>, DOI: 10.1126\/science.abm6304.<\/p>\n

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

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1\uff1atougao@cailiaoren.com.<\/p>\n

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