{"id":235757,"date":"2022-04-13T06:20:37","date_gmt":"2022-04-12T22:20:37","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=235757"},"modified":"2022-04-12T16:20:58","modified_gmt":"2022-04-12T08:20:58","slug":"%e8%83%a1%e5%96%9c%e4%b9%90%e4%b8%a5%e7%8e%89%e5%b1%b1nat-mater-%ef%bc%9a%e9%ab%98%e6%80%a7%e8%83%bdni%e5%9f%ba%e5%82%ac%e5%8c%96%e5%89%82%e5%8a%a9%e5%8a%9b%e7%87%83%e6%96%99%e7%94%b5%e6%b1%a0","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=235757","title":{"rendered":"\u80e1\u559c\u4e50&\u4e25\u7389\u5c71Nat. Mater.\uff1a\u9ad8\u6027\u80fdNi\u57fa\u50ac\u5316\u5242\u52a9\u529b\u71c3\u6599\u7535\u6c60\u53d1\u5c55\uff01"},"content":{"rendered":"

\u4e00\u3001\u3010\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u8d28\u5b50\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\uff08PEMFC\uff09\u662f\u4e00\u79cd\u65b0\u5174\u7684\u6e05\u6d01\u80fd\u6e90\u6280\u672f\uff0c\u4f46\u5176\u9700\u8981\u5927\u91cf\u94c2\uff08Pt\uff09\u50ac\u5316\u5242\u3001\u5168\u6c1f\u819c\u548c\u8010\u9178\u7535\u5806\u7ec4\u4ef6\uff0c\u5bfc\u81f4\u8f83\u9ad8\u7684\u6210\u672c\u3002\u5f97\u76ca\u4e8e\u4f4e\u6210\u672c\u50ac\u5316\u5242\u3001\u819c\u548c\u5806\u53e0\u7ec4\u4ef6\uff0c\u6c22\u6c27\u5316\u7269\u4ea4\u6362\u819c\u71c3\u6599\u7535\u6c60\uff08HEMFCs\uff09\u6709\u671b\u6210\u4e3aPEMFC\u7684\u4e00\u79cd\u7ecf\u6d4e\u6709\u6548\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u5f00\u53d1HEMFCs\u4e00\u4e2a\u91cd\u8981\u76ee\u6807\u662f\u6d88\u9664\u7535\u6c60\u5bf9\u94c2\u65cf\u91d1\u5c5e\uff08PGM\uff09\u7684\u9700\u6c42\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u7528\u4e8e\u9634\u6781\u6c27\u8fd8\u539f\u53cd\u5e94\uff08ORR\uff09\u7684\u65e0\u94c2\u50ac\u5316\u5242\u5df2\u7ecf\u53d6\u5f97\u4e86\u4e0e\u94c2\u65cf\u91d1\u5c5e\u5bf9\u5e94\u7269\u76f8\u5f53\u7684\u6027\u80fd\uff0c\u5e76\u4e14\u5b9e\u73b0\u4e86\u9ad8\u5bfc\u7535\u6027\u548c\u7a33\u5b9a\u7684\u6c22\u6c27\u5316\u7269\u4ea4\u6362\u819c\u3002\u7136\u800c\uff0c\u7528\u4e8e\u9633\u6781\u6c22\u6c27\u5316\u53cd\u5e94\uff08HOR\uff09\u7684\u9ad8\u6d3b\u6027\u65e0\u94c2\u50ac\u5316\u5242\u53d1\u5c55\u4ecd\u7136\u6bd4\u8f83\u7f13\u6162\uff0c\u8fd9\u4e25\u91cd\u963b\u788d\u4e86HEMFC\u7684\u53d1\u5c55\u3002<\/p>\n

\u4e8c\u3001\u3010\u6210\u679c\u63a0\u5f71\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6d1b\u6851\u8054\u90a6\u7406\u5de5\u5b66\u9662\u80e1\u559c\u4e50\u6559\u6388\u3001\u7279\u62c9\u534e\u5927\u5b66\u4e25\u7389\u5c71\u6559\u6388<\/strong>\u62a5\u9053\u4e86\u4e00\u79cdNi\u57faHOR\u50ac\u5316\u5242\uff0c\u5176ECSA\u5f52\u4e00\u5316\u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\u4e3a70 \u03bcA cm-2<\/sup>\uff0c\u8fd9\u662f\u76ee\u524d\u5df2\u77e5\u65e0\u94c2\u50ac\u5316\u5242\u4e2d\u7684\u6700\u9ad8\u503c\u3002\u6839\u636eX\u5c04\u7ebf\u548c\u7d2b\u5916\u5149\u7535\u5b50\u80fd\u8c31\u4ee5\u53caH2<\/sub>\u5316\u5b66\u5438\u9644\u6570\u636e\u663e\u793a\uff0cNi\u7eb3\u7c73\u9897\u7c92\u548c\u8f7d\u4f53\u4e4b\u95f4\u7684\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u5bfc\u81f4\u5e73\u8861\u7684\u6c22\u548c\u6c22\u6c27\u5316\u7269\u7ed3\u5408\u80fd\uff0c\u8fd9\u53ef\u80fd\u662f\u50ac\u5316\u5242\u9ad8\u6d3b\u6027\u7684\u6765\u6e90\u3002\u7531\u8fd9\u79cdNi\u57faHOR\u50ac\u5316\u5242\u7684\u65e0PGM HEMFCs\u7684\u5cf0\u503c\u529f\u7387\u5bc6\u5ea6\u4e3a488 mW cm-2<\/sup>\uff0c\u6bd4\u4e4b\u524d\u6027\u80fd\u6700\u4f73\u7684HEMFC\u9ad8\u51fa6.4\u500d\u3002\u8be5\u8bba\u6587\u4ee5\u9898\u4e3a\u201cAn efficient nickel hydrogen oxidation catalyst for hydroxide exchange membrane fuel cells\u201d<\/strong>\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aNature Materials<\/strong>\u4e0a\u3002<\/p>\n

\"\"<\/p>\n

\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/p>\n

1\u3001\u62a5\u9053\u4e86\u4e00\u79cdNi\u57faHOR\u50ac\u5316\u5242\uff0c\u5176ECSA\u5f52\u4e00\u5316\u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\u4e3a70 \u03bcA cm-2<\/sup>\uff1b<\/p>\n

2\u3001Ni\u57faHOR\u50ac\u5316\u5242\u7684\u65e0PGM HEMFCs\u7684\u5cf0\u503c\u529f\u7387\u5bc6\u5ea6\u4e3a488 mW cm-2<\/sup>\uff0c\u6bd4\u4e4b\u524d\u6027\u80fd\u6700\u4f73\u7684HEMFC\u9ad8\u51fa6.4\u500d\uff1b<\/p>\n

3\u3001\u63ed\u793a\u50ac\u5316\u5242\u9ad8\u6d3b\u6027\u7684\u6765\u6e90\u662fNi\u7eb3\u7c73\u9897\u7c92\u548c\u8f7d\u4f53\u4e4b\u95f4\u7684\u7535\u5b50\u76f8\u4e92\u4f5c\u7528\u5bfc\u81f4\u5e73\u8861\u7684\u6c22\u548c\u6c22\u6c27\u5316\u7269\u7ed3\u5408\u80fd\u3002<\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001<\/strong>Ni<\/strong>\u50ac\u5316\u5242\u7684\u5408\u6210\u53ca<\/strong>TEM<\/strong>\u56fe\u50cf<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09Ni\u50ac\u5316\u5242\u7684\u5408\u6210\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b-d\uff09Ni-H2<\/sub>-NH3<\/sub>\u3001Ni-NH3<\/sub>\u548cNi-H2<\/sub>\u7684TEM\u56fe\u50cf\u3002<\/p>\n

\u56fe\u4e8c\u3001\u7535\u5316\u5b66<\/strong>HOR<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u4e09\u79cd\u954d\u50ac\u5316\u5242\u5728H2<\/sub>\u9971\u548c\u76840.1M KOH\u4e2d\u7684\u7535\u5316\u5b66HOR\u6d3b\u6027\uff0c\u4ee5\u5546\u752820 wt%\u7684Pt\/C\u50ac\u5316\u5242\u4f5c\u5bf9\u6bd4\uff1b<\/p>\n

\uff08b\uff09\uff08a\uff09\u4e2dHOR\u7535\u6d41\u5bc6\u5ea6\u7684Butler-Volmer\u56fe\uff1b<\/p>\n

\uff08c\uff09Ni-H2<\/sub>-NH3<\/sub>\u548cNi-NH3<\/sub>\u5b58\u5728\u4e0bHOR\u7684\u52a0\u901f\u8010\u7528\u6027\u6d4b\u8bd5\uff1b<\/p>\n

\uff08d\uff09Ni-H2<\/sub>-NH3<\/sub>\u548c\u5546\u752820 wt%\u7684Pt\/C\u50ac\u5316\u5242\u7684CO\u4e2d\u6bd2\u6d4b\u8bd5\u3002<\/p>\n

\u56fe\u4e09\u3001\u673a\u7406\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09Ni-H2<\/sub>\u3001Ni-NH3<\/sub>\u3001Ni-H2<\/sub>-NH3<\/sub>\u548c\u65e0\u8f7d\u4f53\u7684Ni\u53c2\u6bd4\u50ac\u5316\u5242\u7684UPS\u5149\u8c31\uff1b<\/p>\n

\uff08b\uff09\u901a\u8fc7H2<\/sub>\u5316\u5b66\u5438\u9644\u6d4b\u5b9aNi-H2<\/sub>-NH3<\/sub>\u3001Ni-NH3<\/sub>\u3001Ni-H2<\/sub>\u3001Ni\u548cPt\/C\u53c2\u6bd4\u7535\u6781\u6d4b\u5b9a\u7684\u5f3a\u5438\u9644\u5e73\u8861\u5e38\u6570k<\/em>2<\/sub>\uff1b<\/p>\n

\uff08c\uff09\u5728H2<\/sub>\u9971\u548c0.1M KOH\uff0c0.1M KOD\u548c1M KOH\u6eb6\u6db2\u4e2dNi-H2<\/sub>-NH3<\/sub>\u7684\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09\u4ece\uff08c\uff09\u5bfc\u51fa\u7684ECSA\u5f52\u4e00\u5316\u7535\u6d41\u5bc6\u5ea6\u7684Butler-Volmer\u56fe\uff1b<\/p>\n

\uff08e\uff09Ni-H2<\/sub>-NH3<\/sub>\u7684\u9633\u6781\u626b\u63cf\u663e\u793aOH(D)–<\/sup>\u5728N2<\/sub>\u9971\u548cKOH\u6216KOD\u6eb6\u6db2\u4e2d\u7684\u6c27\u5316\u5438\u9644\uff1b<\/p>\n

\uff08f\uff09\u9633\u6781\u626b\u63cf\u663e\u793aOH–<\/sup>\u5728N2<\/sub>\u9971\u548cKOH\u6eb6\u6db2\u4e2d\u5bf9Ni-H2<\/sub>\u3001Ni-NH3<\/sub>\u3001Ni-H2<\/sub>-NH3<\/sub>\u548c\u65e0\u8f7d\u4f53\u7684Ni\u53c2\u6bd4\u7684\u6c27\u5316\u5438\u9644\u3002<\/p>\n

\u56fe\u56db\u3001\u6d4b\u5b9a\u7684<\/strong>HOR<\/strong>\u6d3b\u6027\u4e0e<\/strong>HBE<\/strong>\u548c<\/strong>OHBEs<\/strong>\u7684\u76f8\u5173\u6027<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u56fe\uff083b\uff09\u4e2d\u83b7\u5f97\u7684k<\/em>2<\/sub>\u7684\u5bf9\u6570\u4e0e\u954d\u6837\u54c1\u548c\u94c2\u7684\u6d4b\u91cf\u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\u7684\u5bf9\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u56fe\uff1b<\/p>\n

\uff08b\uff09\u56fe\uff083e, 3f\uff09\u4e2d\u6d4b\u91cf\u7684\u954d\u6837\u54c1\u7684OH\u89e3\u5438\u5cf0\u7535\u4f4d\u4e0e\u6d4b\u91cf\u7684\u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\u5bf9\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u56fe\u3002<\/p>\n

\u56fe\u4e94\u3001\u57fa\u4e8e<\/strong>Ni-H2<\/sub>-NH3<\/sub><\/strong>\u9633\u6781\u7684\u6c22\u71c3\u6599\u7535\u6c60\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u4f7f\u7528COMN\u5c16\u6676\u77f3\u4f5c\u4e3a\u9634\u6781\u50ac\u5316\u5242\u7684\u65e0PGM\u7684H2<\/sub>\/O2<\/sub> HEMFC\u6027\u80fd\uff1b<\/p>\n

\uff08b\uff09\u4e0d\u542bPGM\u7684MEA\u6d4b\u8bd5\u7ed3\u679c\u4e0e\u4e4b\u524d\u62a5\u544a\u7684\u6570\u636e\u5bf9\u6bd4\uff1b<\/p>\n

\uff08c\uff09\u4ee5Pt\/C\u4e3a\u9634\u6781\u6750\u6599\u7684\u6781\u5316\u66f2\u7ebf\u548c\u529f\u7387\u5bc6\u5ea6\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09MEA\u6d4b\u8bd5\u7ed3\u679c\u4e0e\u5176\u4ed6\u975e\u94c2\u9633\u6781MEA\u6027\u80fd\uff08H2<\/sub>\/O2<\/sub>\u4f9b\u6c14\uff09\u5bf9\u6bd4\uff1b<\/p>\n

\uff08e\uff09\u4f7f\u7528Ni-H2<\/sub>-NH3<\/sub>\u4f5c\u4e3a\u9633\u6781\u548cPt\/C\uff080.2\u2009mg Pt\/cm2<\/sup>\uff09\u4f5c\u4e3a\u9634\u6781\u7684\u65e0H2<\/sub>\/CO2<\/sub>\u7a7a\u6c14\u71c3\u6599\u7535\u6c60\u6027\u80fd\uff1b<\/p>\n

\uff08f\uff09MEA\u6d4b\u8bd5\u7ed3\u679c\u4e0e\u5176\u4ed6\u975ePt\u9633\u6781MEA\u6027\u80fd\u5bf9\u6bd4\u3002<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/p>\n

\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u8bba\u6587\u62a5\u9053\u4e86\u4e00\u79cdNi\u50ac\u5316\u5242\uff0c\u5176\u56fa\u6709\u6d3b\u6027\u4e3a70 \u03bcA cm2<\/sup>Ni<\/sub>\u3002\u91c7\u7528\u8fd9\u79cd\u50ac\u5316\u5242\u7684HEMFCs\u572895 \u2103\u65f6\u7684\u5cf0\u503c\u529f\u7387\u5bc6\u5ea6\u4e3a488 mW cm-2<\/sup>\uff0c\u572880 \u2103\u65f6\u7684\u5cf0\u503c\u529f\u7387\u5bc6\u5ea6\u4e3a443 mW cm-2<\/sup>\uff0c\u6bd4\u5148\u524d\u62a5\u9053\u7684\u7c7b\u4f3cHEMFCs\u9ad8\u51fa6.4\u500d\u3002\u50ac\u5316\u5242\u6240\u5177\u6709\u4f18\u5f02\u7684\u6d3b\u6027\u5f97\u76ca\u4e8e\u6c22\u7ed3\u5408\u80fd\uff08HBE\uff09\u548c\u6c22\u6c27\u5316\u7269\u7ed3\u5408\u80fd\uff08OHBE\uff09\u7684\u5e73\u8861\uff0c\u8fd9\u662f\u7531\u5fae\u8c03\u7684\u954d-\u8f7d\u4f53\u76f8\u4e92\u4f5c\u7528\u4ea7\u751f\u7684\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aAn efficient nickel hydrogen oxidation catalyst for hydroxide exchange membrane fuel cells<\/a> ( Nat. Mater. <\/em>2022<\/strong>, DOI: 10.1038\/s41563-022-01221-5)<\/p>\n

\u672c\u6587\u7531\u5927\u5175\u54e5\u4f9b\u7a3f\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<\/a><\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/p>\n","protected":false},"excerpt":{"rendered":"

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