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Derived Carbon with Single Pt Anchored C4 Atomic Group Constructing Super Fuel Cell with Ultrahigh Power Density and Self-change Ability<\/strong>\u201d\u53d1\u8868\u5728Advanced Materials <\/em>\uff08DOI: 10.1002\/adma.202308989\uff09\u3002\u5317\u4eac\u5316\u5de5\u5927\u5b66\u5316\u5b66\u5b66\u9662\u535a\u58eb\u7814\u7a76\u751f\u67f4\u8def\u8def\u4e3a\u8bba\u6587\u7b2c\u4e00\u4f5c\u8005\u3002<\/p>\n

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1.\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u7684\u5de5\u4f5c\u673a\u7406<\/strong><\/p>\n

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\u56fe<\/strong>1 <\/strong>\u4f20\u7edf\u71c3\u6599\u7535\u6c60\u548c\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u5728\u4e0d\u540c\u653e\u7535\u573a\u666f\u4e0b\u7684\u793a\u610f\u56fe\u3002<\/p>\n

2.PtSA-1.74<\/sub>\/HPCNR<\/strong>\u57fa\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\u4e3a\u4e86\u66f4\u597d\u8bf4\u660e\u4e0a\u8ff0\u7684\u5de5\u4f5c\u539f\u7406\u5e76\u6bd4\u8f83\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u548c\u71c3\u6599\u7535\u6c60\u7684\u5dee\u5f02\uff0c\u6211\u4eec\u5206\u522b\u5bf9\u8fd9\u4e9b\u5668\u4ef6\u8fdb\u884c\u4e86\u8109\u51b2\u653e\u7535\u548c\u6052\u7535\u6d41\u653e\u7535\u6d4b\u8bd5\u3002\u56fe2a-d\u663e\u793a\u4e86\u8fd9\u4e24\u79cd\u71c3\u6599\u7535\u6c60\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u8109\u51b2\u653e\u7535\u4e0b\u7684\u653e\u7535\u66f2\u7ebf\uff0c\u63ed\u793a\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u63d0\u4f9b\u51fa\u8fdc\u9ad8\u4e8e\u71c3\u6599\u7535\u6c60\u7684\u6bd4\u529f\u7387\u548c\u66f4\u5bbd\u5e7f\u7684\u5de5\u4f5c\u7535\u6d41\u8303\u56f4\u3002\u5728\u6052\u7535\u6d41\u8fde\u7eed\u653e\u7535\u65b9\u9762\uff0c\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u7531\u4e8e\u5177\u6709\u5178\u578b\u7684\u201cEDLC+ORR\u201d\u5e73\u884c\u653e\u7535\u884c\u4e3a\uff0c\u5b83\u5c55\u73b0\u4e86\u6bd4\u71c3\u6599\u7535\u6c60\u5f88\u591a\u500d\u7684\u9ad8\u7535\u538b\u653e\u7535\u65f6\u95f4\uff0c\u4ece1mA cm-2<\/sup>\u76843.3\u500d\u5230200mA cm-2<\/sup>\u768413\u500d\uff08\u56fe2e-g\uff09\u3002\u56fe2h\u663e\u793a\u4e86SFC\u5728\u66f4\u591a\u7535\u6d41\u8303\u56f4\u4e0b\u653e\u7535\u80fd\u91cf\u63d0\u5347\u60c5\u51b5\uff0cSFC\u5728\u4e0d\u540c\u653e\u7535\u7535\u6d41\u90fd\u6bd4FC\u9ad8\u51fa3.3\u500d\u4ee5\u4e0a\u7684\u653e\u7535\u80fd\u91cf\uff0c\u76f4\u81f3\u5728\u5927\u7535\u6d41\u7ed9\u51fa\u4e86\u9ad8\u8fbe93\u500d\u7684\u6bd4\u80fd\u91cf\u3002<\/p>\n

\u56fe3a-b\u663e\u793a\u4e86\u5728\u5916\u90e8\u7535\u6e90\u4f9b\u5e94\u7684\u60c5\u51b5\u4e0b\uff0cPtSA-1.74<\/sub>\/HPCNR\u57fa\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u5b9e\u73b0\u975e\u5e38\u7a33\u5b9a\u7684\u5145\u653e\u7535\u8fc7\u7a0b\uff0c\u8fd9\u5f97\u76ca\u4e8e\u5176\u81ea\u8eab\u7684EDLC\u8fc7\u7a0b\u3002\u5728\u65e0\u5916\u754c\u7535\u6e90\u60c5\u51b5\u4e0b\uff0cPtSA-1.74<\/sub>\/HPCNR\u57fa\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u53ef\u4ee5\u53d1\u751f\u7c7b\u4f3c\u7684\u81ea\u5145\u7535\u8fc7\u7a0b\uff0c\u63d0\u4f9b3.7\u79d2\u7684\u653e\u7535\u65f6\u95f4\uff0c\u63a5\u8fd1\u5916\u754c\u7535\u6e90\u5145\u7535\u6a21\u5f0f\u4e0b\u76844.0\u79d2\u7684\u653e\u7535\u65f6\u95f4\uff08\u56fe3c-d\uff09\u3002\u6b63\u6781\u7684\u8fd9\u79cd\u7279\u6b8a\u7684\u81ea\u5145\u7535\u548c\u50a8\u80fd\u80fd\u529b\u6700\u521d\u6765\u6e90\u4e8e\u5728\u4f4e\u7535\u6d41\u653e\u7535\u95f4\u9694\u6216\u9759\u6b62\u65f6\u95f4\u5185\uff0cO2<\/sub>\u50ac\u5316\u7684Pt SAs\u5fae\u6b63\u6781\u4e0e\u7535\u5bb9\u6027\u78b3\u5fae\u8d1f\u6781\u4e4b\u95f4\u53d1\u751f\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\uff0c\u5f62\u6210\u5fae\u7535\u6c60\u7684\u8fc7\u7a0b\u3002\u8fd9\u4e00\u73b0\u8c61\u8fdb\u4e00\u6b65\u8868\u660e\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u53ef\u4ee5\u5728\u5de5\u4f5c\u8fc7\u7a0b\u4e2d\u65e0\u9700\u5916\u90e8\u7535\u6e90\u5c31\u53ef\u4ee5\u901a\u8fc7\u81ea\u5145\u7535\u8fc7\u7a0b\u5b9e\u73b0EDLC\u7684\u7535\u538b\u6062\u590d\u8fc7\u7a0b\uff0c\u4e3a\u540e\u7eed\u7684\u5927\u7535\u6d41\u653e\u7535\u63d0\u4f9b\u8db3\u591f\u7684\u80fd\u91cf\uff08\u56fe3e\uff09\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2<\/strong> 20%Pt\/C\u57fa\u71c3\u6599\u7535\u6c60\u548cPtSA-1.74<\/sub>\/HPCNR\u57fa\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u7684\u8109\u51b2\u653e\u7535\u66f2\u7ebf\u548c\u6052\u6d41\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3<\/strong> PtSA-1.74<\/sub>\/HPCNR\u57fa\u8d85\u7ea7\u71c3\u6599\u7535\u6c6050\u5708\u7684GCD\u66f2\u7ebf\u548c\u81ea\u5145\u7535\u66f2\u7ebf\u548c\u76f8\u5e94\u7684\u81ea\u5145\u7535\u7279\u6027\u793a\u610f\u56fe\u3002<\/p>\n

3.PtSA<\/sub>\/HPCNR<\/strong>\u590d\u5408\u6750\u6599\u7684\u5f62\u6001\u548c\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\u672c\u5de5\u4f5c\u901a\u8fc7\u4ee5Inx<\/sub>Zny<\/sub>-MIL-68\u4e3a\u524d\u9a71\u4f53\uff0c\u901a\u8fc7\u78b3\u5316\u3001\u9178\u6d17\u548c\u5feb\u901f\u8fd8\u539f\u5de5\u827a\u5236\u5907\u800c\u6210PtSA<\/sub>\/HPCNR\u50ac\u5316\u5242\uff08\u56fe4\uff09\u3002SEM\u548cTEM\u56fe\u6ca1\u6709\u89c2\u6d4b\u5230\u7c92\u5b50\uff0c\u7403\u5dee\u7535\u955c\u8868\u660ePt\u4ee5\u5355\u539f\u5b50\u7684\u5f62\u5f0f\u5b58\u5728\u3002\u76f8\u5e94\u7684\u80fd\u91cf\u8272\u6563X\u5c04\u7ebf(EDX)\u5149\u8c31\u548c\u5143\u7d20\u6620\u5c04\u8868\u660e\uff0cPt\u5355\u539f\u5b50\u5747\u5300\u5730\u5206\u6563\u5728\u5bcc\u542b\u591a\u5b54\u7ed3\u6784\u7684\u78b3\u57fa\u4f53\u4e0a\u3002<\/p>\n

PtSA-1.74<\/sub>\/HPCNR\u50ac\u5316\u5242\u7684Pt4f XPS\u8c31\u8868\u73b0\u4e3aPt4f7\/2\u548cPt5\/2\u7684\u81ea\u65cb\u8f68\u9053\u5206\u88c2\u53cc\u5cf0\uff0c\u5176\u4e2d\u91d1\u5c5ePt(0)\u5f62\u621071.6\u548c74.5 eV\uff0c\u90e8\u5206\u6c27\u5316\u540ePt(+2)\u5f62\u621072.9\u548c76.1 eV\uff0c\u8bf4\u660e\u70ed\u89e3\u8fc7\u7a0b\u4e2d\u5f62\u6210\u7684\u7f3a\u9677\u78b3\u4e0ePt\u539f\u5b50\u914d\u4f4d\u53ef\u4ee5\u6781\u5927\u5730\u9632\u6b62\u5176\u88ab\u7a7a\u6c14\u6c27\u5316\uff08\u56fe5a\uff09\u3002XANES\u7ed3\u679c\u8868\u660ePt-SAs\u4e2dPt\u4ee5+4\u4ef7\u4e3a\u4e3b\uff0c\u540c\u65f6\u662fPt\u2013C4\u914d\u4f4d\u7ed3\u6784\u3002FT-EXAFS\u62df\u5408\u7ed3\u679c\u8868\u660e\u5355\u539f\u5b50\u7684\u914d\u4f4d\u6784\u578b\u4e3aPt\u2013C4\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4<\/strong> PtSA<\/sub>\/HPCNR\u50ac\u5316\u5242\u7684\u5408\u6210\u8def\u7ebf\u793a\u610f\u56fe\u548c\u76f8\u5e94\u7684\u7535\u955c\u8868\u5f81\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>5 <\/strong>PtSA-1.74<\/sub>\/HPCNR\u50ac\u5316\u5242\u4e2dPt4f\u7684XPS\u548cXAFS\u8868\u5f81\u3002<\/p>\n

4.PtSA<\/sub>\/HPCNR<\/strong>\u590d\u5408\u6750\u6599\u7684\u8d85\u7ea7\u7535\u5bb9\u5668\u548c<\/strong>ORR<\/strong>\u7684\u6027\u80fd<\/strong><\/p>\n

\u5728\u4e09\u7535\u6781\u7cfb\u7edf\u4e2d\u8bc4\u4f30\u4e86HPCNR-4\u3001PtSA-m<\/sub>\/HPCNR\u548c20% Pt\/C\u7535\u6781\u7684\u8d85\u7ea7\u7535\u5bb9\u5668\uff08SC\uff09\u6027\u80fd\u3002\u5f97\u76ca\u4e8e\u72ec\u7279\u7684\u7a7a\u5fc3\u901a\u9053\u7ed3\u6784\u3001\u5c42\u6b21\u5b54\u7ed3\u6784\u548c\u9ad8\u5bfc\u7535\u6027Pt\u539f\u5b50\uff0cPtSA-1.74<\/sub>\/HPCNR\u590d\u5408\u6750\u6599\u5177\u6709\u975e\u51e1\u7684\u6bd4\u7535\u5bb9\uff08356.4 F g-1<\/sup>@1 A g-1<\/sup>\uff09\u3001\u5353\u8d8a\u7684\u500d\u7387\u6027\u80fd\uff08\u5728300 A g-1<\/sup>\u7684\u8d85\u9ad8\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a80.9%\uff09\u548c\u51fa\u8272\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0810,000\u6b21\u5faa\u73af\u540e\u4ec5\u4e0b\u964d4.2%\uff09\uff08\u56fe6-d\uff09\u3002\u53e6\u5916\uff0c\u56fe6e-h\u663e\u793a\u4e86PtSA-1.74<\/sub>\/HPCNR\u50ac\u5316\u5242\u5728\u78b1\u6027\u6761\u4ef6\u4e0b\u5177\u6709\u4f18\u5f02\u7684ORR\u6d3b\u6027\uff0c\u8d77\u59cb\u7535\u4f4d\uff08Eonset<\/sub>\uff09\u4e3a1.01 V\uff0c\u534a\u6ce2\u7535\u4f4d\uff08E1\/2<\/sub>\uff09\u4e3a0.89 V\uff0c\u4e14\u5177\u6709\u8d85\u9ad8\u7684\u7a33\u5b9a\u6027\u548c\u6297\u7532\u9187\u6027\u80fd\u3002PtSA-1.74<\/sub>\/HPCNR\u50ac\u5316\u5242\u7684\u8d28\u91cf\u6d3b\u6027\u662f\u5546\u4e1a\u531620% Pt\/C\u768412.8\u500d\uff0c\u4e5f\u4f18\u4e8e\u5176\u5b83\u5355\u539f\u5b50\u50ac\u5316\u5242\u6c34\u5e73\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>6<\/strong> PtSA<\/sub>\/HPCNR\u590d\u5408\u6750\u6599\u7684SC\u548cORR\u7684\u6027\u80fd<\/p>\n

5.\u57fa\u4e8e<\/strong>DFT<\/strong>\u7684<\/strong>ORR<\/strong>\u884c\u4e3a\u7406\u8bba\u7814\u7a76<\/strong><\/p>\n

\u901a\u8fc7DFT\u8ba1\u7b97\u8fdb\u4e00\u6b65\u9610\u660e\u4e86\u53cd\u5e94\u673a\u5236\u3002\u8ba1\u7b97\u7ed3\u679c\u5982\u56fe7\u6240\u793a\u3002\u5728ORR\u8fc7\u7a0b\u4e2d\uff0cPt\u539f\u5b50\u5468\u56f4\u7684C\u539f\u5b50\u8d77\u5230\u4e86\u5e73\u8861\u4ef7\u6001\u7684\u7f13\u51b2\u4f5c\u7528\u3002\u6f14\u5316\u7684Pt-C2<\/sub>\u3001Pt-C3<\/sub>\u548cPt-C4<\/sub>\u672c\u8d28\u4e0a\u589e\u5f3a\u4e86O2<\/sub>\u5438\u9644\u5e76\u964d\u4f4e\u4e86\u4e2d\u95f4\u4f53\u6b65\u9aa4\u7684\u80fd\u5792\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86ORR\u6027\u80fd\u3002\u6b64\u5916\uff0cPt\u951a\u5b9a\u53cc\u7a7a\u4f4d\u4e0b\u7684\u77f3\u58a8\u70ef\u57fa\u5e95\u540e\u5448\u73b0\u7f3a\u7535\u5b50\u7279\u6027\uff0c\u6781\u5927\u5730\u6539\u53d8\u50ac\u5316\u5242\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u8fd9\u53ef\u80fd\u5728\u5176\u8868\u9762\u5177\u6709\u4e30\u5bcc\u7684\u7535\u5b50\u8f6c\u79fb\uff0c\u6709\u5229\u4e8e\u63d0\u9ad8ORR\u7684\u7535\u50ac\u5316\u6d3b\u6027\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>7<\/strong> DFT\u7814\u7a76\u6f14\u5316\u7ed3\u6784\u7684ORR\u50ac\u5316\u673a\u7406\u3002<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

\u672c\u6587\u5b9e\u73b0\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u65b0\u6982\u5ff5\u4e0e\u65b0\u578b\u50ac\u5316\u5242\u6750\u6599\u7684\u53cc\u91cd\u521b\u65b0\uff0c\u5373\u5355\u539f\u5b50Pt\u8d1f\u8f7d\u4e8e\u53cc\u91d1\u5c5eMOF\u884d\u751f\u4e2d\u7a7a\u591a\u5b54\u78b3\u7eb3\u7c73\u68d2(PtSA<\/sub>\/HPCNR)\u3002\u7814\u7a76\u53d1\u73b0\uff0cPtSA-1.74<\/sub>\/HPCNR\u57fa\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u901a\u8fc7\u65b0\u578b\u201cORR+EDLC\u201d\u653e\u7535\u673a\u5236\u53ef\u63d0\u4f9b\u8d85\u9ad8\u6bd4\u529f\u7387\u8f93\u51fa\u548c\u9ad8\u653e\u7535\u5e73\u53f0\uff0c\u4ee5\u89e3\u51b3\u73b0\u6709\u50ac\u5316\u5242\u5728\u5355\u4e00ORR\u8fc7\u7a0b\u4e2d\u7531\u4e8eO2<\/sub>\u6269\u6563\u6ede\u540e\u6548\u5e94\u4e0e\u7f13\u6162\u8fd8\u539f\u8fc7\u7a0b\u800c\u5bfc\u81f4\u7684\u77ac\u6001\u529f\u7387\u4e0d\u8db3\u95ee\u9898\u3002XAFS\u6d4b\u8bd5\u4e0eDFT\u8ba1\u7b97\u8868\u660e\uff0cPt\u5355\u539f\u5b50\u4e0e\u78b3\u7f3a\u9677\u4e4b\u95f4\u7684\u534f\u540c\u4f5c\u7528\u4e0d\u4ec5\u53ef\u4ee5\u4fc3\u8fdb\u7535\u5b50\u4f20\u8f93\u548cORR\u50ac\u5316\u6d3b\u6027\uff0c\u800c\u4e14\u53ef\u4ee5\u63d0\u9ad8\u6bd4\u7535\u5bb9\u4e0e\u500d\u7387\u6027\u80fd\uff0c\u4ece\u800c\u4fdd\u8bc1\u9ad8\u6548\u4e14\u5feb\u901f\u7684\u80fd\u91cf\u8f6c\u5316\u3001\u5b58\u50a8\u4e0e\u91ca\u653e\u8fc7\u7a0b\u3002\u6b64\u5916\uff0cPtSA-1.74<\/sub>\/HPCNR\u8fd8\u5177\u6709\u4f18\u5f02\u7684\u8d28\u91cf\u6d3b\u6027\u548c\u8010\u4e45\u6027\uff0c\u5206\u522b\u4e3a\u5546\u4e1a20% Pt\/C\u50ac\u5316\u5242\u768412.8\u500d\u548c1.06\u500d\u3002\u8be5\u7814\u7a76\u5f00\u53d1\u51fa\u7684\u65b0\u578b\u8d85\u7ea7\u71c3\u6599\u7535\u6c60\u4f53\u7cfb\u5177\u6709\u8d85\u9ad8\u529f\u7387\u548c\u81ea\u5145\u7535\u7279\u6027\uff0c\u53ef\u4ee5\u6ee1\u8db3\u542f\u52a8\u548c\u722c\u5761\u573a\u666f\u4e0b\u7684\u9ad8\u77ac\u6001\u529f\u7387\u8981\u6c42\uff0c\u6709\u671b\u6210\u4e3a\u514b\u670d\u73b0\u6709\u8f66\u8f7d\u71c3\u6599\u7535\u6c60\u4e2dORR\u8fc7\u7a0b\u7f13\u6162\u4e0e\u5197\u4f59\u529f\u7387\u95ee\u9898\u7684\u901a\u7528\u6027\u7b56\u7565\u3002<\/p>\n

\u8bba\u6587\u94fe\u63a5\uff1a<\/strong><\/p>\n

Lulu Chai, Jinlu Song, Anuj Kumar, Rui Miao, Yanzhi Sun, Xiaoguang Liu, Ghulam Yasin, Xifei Li, Junqing Pan*, Bimetallic-MOF Derived Carbon with Single Pt Anchored C4 Atomic Group Constructing Super Fuel Cell with Ultrahigh Power Density And Self-change Ability, Adv. Mater.<\/em><\/strong> 2023. DOI: 10.1002\/adma.202308989. https:\/\/doi.org\/10.1002\/adma.202308989<\/p>\n","protected":false},"excerpt":{"rendered":"

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