{"id":150470,"date":"2018-08-18T06:49:38","date_gmt":"2018-08-17T22:49:38","guid":{"rendered":"\/\/m.iemloyee.com\/?p=150470"},"modified":"2018-08-17T20:50:07","modified_gmt":"2018-08-17T12:50:07","slug":"%e7%be%8e%e4%bf%84%e7%a0%b4%e5%86%b0%e9%80%9a%e5%8a%9b%e5%90%88%e4%bd%9c%ef%bc%8c%e9%92%99%e9%92%9b%e7%9f%bf%e9%97%aa%e8%80%80%e8%83%bd%e6%ba%90%e6%b1%9f%e6%b9%96%ef%bc%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=150470","title":{"rendered":"\u7f8e\u4fc4\u7834\u51b0\u901a\u529b\u5408\u4f5c\uff0c\u9499\u949b\u77ff\u95ea\u8000\u80fd\u6e90\u6c5f\u6e56\uff01"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

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\u4e3a\u4e86\u514b\u670d\u8fd9\u79cd\u9650\u5236\uff0c\u672c\u6587\u7814\u7a76\u4e86\u9499\u949b\u77ff\u76f8SrNiO3<\/sub>\u7684\u66ff\u4ee3\u6676\u4f53\u7ed3\u6784\uff0c\u5176\u5728\u4fc3\u8fdbOER\u6d3b\u6027\u540c\u65f6\u4e0d\u4f1a\u53d7\u5230\u6709\u9650\u7684Sr\u6eb6\u89e3\u5ea6\u7684\u5f71\u54cd\uff0c\u5e76\u4e14\u53ef\u4ee5\u7a33\u5b9a\u9ad8\u5ea6\u6c27\u5316\u7684\u3001\u5171\u4ef7\u952e\u5408\u7684Ni\u3002Ruddlesden Popper\uff08RP\uff09\u6676\u4f53\u7ed3\u6784\u8868\u793a\u4e3aAn+1<\/sub>Bn<\/sub>O3n+1<\/sub>\u6216\u7b49\u6548\uff08AO\uff09\uff08ABO3\u00b1\u03b4<\/sub>\uff09n\uff0c\u5176\u4e2d\u539a\u5ea6\u4e3an\uff08BO6<\/sub>\uff09\u516b\u9762\u4f53\u7684\u9499\u949b\u77ff\u5c42\u88ab\u5ca9\u76d0\uff08AO\uff09\uff08OA\uff09\u53cc\u5c42\u5206\u9694\u3002\u8be5RP\u76f8\u53ef\u4ee5\u9002\u5e94\u9499\u949b\u77ff\u53ef\u7528\u7684\u6240\u6709\u5143\u7d20\u53d6\u4ee3\u4ee5\u53ca\u9499\u949b\u77ff\u7ed3\u6784\u4e2d\u4e0d\u7a33\u5b9a\u7684\u5176\u4ed6\u5316\u5408\u7269\u3002Ruddlesden-Popper\u6750\u6599\u7531\u4e8e\u5176\u5316\u5b66\u67d4\u97e7\u6027\u548c\u4e0d\u7a33\u5b9a\u7684\u6676\u683c\u6c27\u88ab\u7528\u4f5c\u56fa\u4f53\u6c27\u5316\u7269\u71c3\u6599\u7535\u6c60\u9634\u6781\uff0c\u4f46\u662f\u5c1a\u672a\u6709\u7814\u7a76\u8005\u5bf9\u5176\u8fdb\u884c\u5ba4\u6e29\u6c34\u6c27\u5316\u8fdb\u884c\u5168\u9762\u7684\u8be6\u7ec6\u68c0\u6d4b\u3002<\/p>\n

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\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

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\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

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a. La5<\/sub>Sr1.5<\/sub>Ni1-x<\/sub>Fex<\/sub>O4\u00b1\u03b4<\/sub>\u7684PXRD\u56fe\u8c31\uff1b<\/p>\n

b. LSNF30\u7684\u7535\u5b50\u884d\u5c04\u56fe\u8bc1\u5b9e\u6ca1\u6709\u9633\u79bb\u5b50\u548c\/\u6216\u9634\u79bb\u5b50\u6709\u5e8f\uff1b<\/p>\n

c. LSNF30\u7684[100]ABF-STEM\u56fe\u50cf\u76f4\u63a5\u663e\u793a\uff08BO2<\/sub>\uff09\u516b\u9762\u4f53\uff08\u767d\u8272\u7bad\u5934\uff0cB = Ni\uff0cFe\uff09\u548c\uff08AO\uff09\uff08OA\uff09\u5c42\uff08\u9ed1\u8272\u7bad\u5934\uff0cA = La\uff0cSr\uff09\u7684\u5806\u53e0\u3002Ruddlesden-Popper\u7ed3\u6784\u3002\u6bd4\u4f8b\u5c3a\u4e3a2\u7eb3\u7c73\uff1b<\/p>\n

d. 0\u2264x\u22641\u5747\u5300\u8303\u56f4\u5185\uff0ca\u548cc\u7684\u5355\u4f4d\u6676\u80de\u53c2\u6570\u4e0e\u5143\u7d20\u7ec4\u6210\u6bd4\u4f8b\u7684\u4f9d\u8d56\u6027\u3002<\/p>\n

\u56fe<\/strong>2. 30 wt<\/strong>\uff05<\/strong> LSCF<\/strong>\u7cfb\u5217\u8d1f\u8f7d\u5728<\/strong>XC72 Vulcan<\/strong>\u78b3\uff08<\/strong>VC<\/strong>\uff09\u4e0a\u7684\u6c27\u6c14\u6790\u51fa\u7ed3\u679c\u548c\u50ac\u5316\u6027\u80fd\u3002<\/strong><\/p>\n

\"\"<\/p>\n

a. \u51e0\u4f55\u7535\u6d41\u5bc6\u5ea6\uff085 mm GCE\uff0cA = 0.196 cm2<\/sup>\uff09\u4e2d\u7684\u5e73\u5747\uff08\u9633\u6781\u548c\u9634\u6781\uff09OER\u6781\u5316\u66f2\u7ebf\uff1b<\/p>\n

b. LSNF\u7cfb\u5217\u572863 V vs RHE-iR\u7684\u6c27\u5316\u7269\u8d28\u6d3b\u6027\u4e0eVC\u4e0a\u7684\u4e3b\u8981OER\u50ac\u5316SrCoO2.7<\/sub>\uff0cLaNiO3<\/sub>\u548cIrO2<\/sub>\u76f8\u6bd4\uff0c\u5747\u5728\u76f8\u540c\u7684\u5b9e\u9a8c\u8bbe\u7f6e\u548c\u6761\u4ef6\u4e0b\u8fdb\u884c\u6d4b\u8bd5\u3002\u8bef\u5dee\u68d2\u662f\u8fdb\u884c\u4e09\u6b21\u6d4b\u91cf\u7684\u6807\u51c6\u504f\u5dee\uff1b<\/p>\n

c. \u6bcf\u79cdLSNF\u50ac\u5316\u5242\u7684\u5854\u83f2\u5c14\u56fe\uff1b<\/p>\n

d. RRDE\u6d4b\u8bd5\u3002<\/p>\n

\u56fe<\/strong>3. <\/strong>\u50ac\u5316\u7a33\u5b9a\u6027\u6d4b\u8bd5\u3002<\/strong><\/p>\n

\"\"<\/p>\n

a. LSNF30\u7684\u4e00\u767e\u4e2aCV\u5faa\u73af\u6d4b\u8bd5\uff1b<\/p>\n

b. \u50ac\u5316\u5242\u7684\u8d28\u91cf\u6d3b\u6027\u5206\u6790\u3002<\/p>\n

\u56fe<\/strong>4. LSNF<\/strong>\u50ac\u5316\u5242\u5728<\/strong>O2<\/sub><\/strong>\u9971\u548c\u7684<\/strong>0.1 M KOH<\/strong>\u6eb6\u6db2\u4e2d\u7684\u5faa\u73af\u4f0f\u5b89\u56fe\u8c31\u3002<\/strong><\/p>\n

\"\"<\/p>\n

a. LSNF\u7684CV\u4e3a100 mV s-1<\/sup>\uff0c\u663e\u793a\u51faNi\u53d6\u4ee3\u65f6Ni2+\/3+<\/sup>\u6c27\u5316\/\u63d2\u5c42\u7535\u4f4d\u7684\u7cfb\u7edf\u9633\u6781\u4f4d\u79fb\uff1bb. \u5bf9\u6c27\u5316\u6ce2\u79ef\u5206\u4ea7\u751f\u7684\u7279\u5b9a\u6c27\u5316\u7535\u8377\uff08\u03bcC cm-2<\/sup>\u6c27\u5316\u7269\uff09\u3002\u4f7f\u7528\u7279\u5b9a\u7535\u6d41\u5bc6\u5ea6\uff08\u03bcA cm-2<\/sup>\u6c27\u5316\u7269\uff09\u8fdb\u884c\u79ef\u5206\u4ee5\u5f52\u4e00\u5316\u50ac\u5316\u5242\u8868\u9762\u79ef\u7684\u5dee\u5f02\u3002<\/p>\n

\u56fe<\/strong>5. <\/strong>\u94c1\u78c1\u7ed3\u6784\u4f53<\/strong>LSNF<\/strong>\u539f\u5b50\u548c\u7535\u5b50\u7ed3\u6784\u7684\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u5efa\u6a21\u3002<\/strong><\/p>\n

\"\"<\/p>\n

a. La5<\/sub>Sr1.5<\/sub>NiO4<\/sub>\u7684\u57fa\u60012\u00d72\u00d71\u6676\u80de\uff0c\u5728\u6bcf\u4e2a[001] AO\u5c42\u4e2d\u5747\u5300\u5206\u5e03La\uff1b<\/p>\n

b. \u6bcf\u4e2a\u57fa\u6001La5<\/sub>Sr1.5<\/sub>Ni1-x<\/sub>Fex<\/sub>O4<\/sub>\u7684\u4e24\u4e2aB\uff08B’\uff09O2<\/sub>\u5c42\u7684\u8868\u793a\uff0cx\u4e3a0,0.25,0.5,0.75\u548c1;\u5bf9\u4e8e\u6bcf\u4e2ax\uff0c\u57fa\u6001Fe\u6392\u5217\u7684\u7279\u5f81\u5728\u4e8e\u4e24\u4e2aB\uff08B’\uff09O2<\/sub>\u5c42\u4e2d\u76f8\u7b49\u6570\u91cf\u7684Fe\uff0c\u6bcf\u5c42\u4e2d\u7684Fe\u88ab\u5e03\u7f6e\u6210\u4f7fFe-O-Ni\u6865\u7684\u6570\u91cf\u6700\u5927\u5316\uff1b<\/p>\n

c. \u76f8\u5bf9\u4e8eB-O-B’\u6865\u7684\u8d39\u7c73\u80fd\u7ea7\uff08EF<\/sub>0<\/sup>\uff09\uff0c\u76f8\u5e94\u7684\u81ea\u65cb\u6781\u5316PDOS eg<\/sub>\uff08Ni\uff1a\u7070\u8272\u9634\u5f71\u533a\u57df\u548cFe\uff1a\u84dd\u7ebf\uff09\u548c2p\uff08O\uff1a\u7ea2\u7ebf\uff09; PDOS\u662f\u73b0\u6709B-O-B’\u6865\u7684\u5e73\u5747\u503c\uff1b<\/p>\n

d. \u9876\u90e8\uff1aO-p\u6ce2\u6bb5\u4e2d\u5fc3\u7684\u8ba1\u7b97\u503c\uff0cLa2<\/sub>NiO4<\/sub>\u8ba1\u7b97\u4e3a\u53c2\u8003\u3002\u4e2d\u95f4\uff1a\u5e26\u91cd\u53e0\u7684\u5927\u5c0f\uff0c\u7531eg<\/sub>\uff08B\uff09\u548ceg<\/sub>\uff08B’\uff09\u4e4b\u95f4\u7684\u6700\u5927PDOS\u4ece-2\u52302 eV\u7684\u79ef\u5206\u786e\u5b9a\uff0c\u5f52\u4e00\u5316\u4e3aeg<\/sub> LSN\u4e2d\u7684\uff08Ni\uff09\u3002\u5e95\u90e8\uff1aeg<\/sub>\uff08B\uff09\u548ceg<\/sub>\uff08B’\uff09\u4e4b\u95f4\u7684\u6700\u5927PDOS\u7684\u76f8\u5e94\u91cd\u53e0\u4e2d\u5fc3\uff08\u8d28\u5fc3\uff09\u3002<\/p>\n

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

\u672c\u6587\u6210\u529f\u5408\u6210\u4e86\u4e00\u7cfb\u5217\u5177\u6709\u9ad8\u5ea6\u6c27\u5316\u548c\u5171\u4ef7\u7684Ni 3d-O 2p-Fe 3d\u952e\u7684RP\u9499\u949b\u77ff\u50ac\u5316\u5242\uff0c\u8fd9\u4e9b\u50ac\u5316\u5242\u5177\u6709\u51fa\u8272\u7684OER\u6d3b\u6027\u3002\u4f5c\u8005\u5229\u7528RP\u6676\u4f53\u7ed3\u6784\u907f\u514d\u7531\u4e8eSr\u5728\u9499\u949b\u77ff\u76f8\u4e2d\u6eb6\u89e3\u6027\u5dee\u800c\u5bfc\u81f4\u7684\u975e\u6d3b\u6027\u7b2c\u4e8c\u76f8\u7684\u4ea7\u751f\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u4f7f\u7528La0.5<\/sub>Sr1.5<\/sub>NiO4\u00b1<\/sub>\u03b4\u4f5c\u4e3a\u4e3b\u6676\u683c\uff0c\u5728\u6574\u4e2a\u7ec4\u6210\u8303\u56f4\u5185\u5b9e\u73b0\u4e86Fe\u5bf9Ni\u7684\u5b8c\u5168\u53d6\u4ee3\u3002RP\u578b\u9499\u949b\u77ff\u6c27\u5316\u7269\u7684\u7ed3\u6676\u7ed3\u6784\u548c\u9ad8\u5ea6\u7684\u76f8\u7eaf\u5ea6\uff0c\u4f7f\u5f97\u7cbe\u786e\u7814\u7a76Fe\u53d6\u4ee3\u5bf9LSNF\u7cfb\u5217\u7684\u6c27\u5316\u7269\u5316\u5b66\u548c\u7535\u5b50\u6027\u8d28\u7684\u5f71\u54cd\u6210\u4e3a\u53ef\u80fd\uff0c\u8fd9\u662f\u7528\u5176\u4ed6\u65e0\u5b9a\u578b\u6750\u6599\u65e0\u6cd5\u5b9e\u73b0\u7684\u3002\u7898\u91cf\u6ef4\u5b9a\u4e0e\u7a46\u65af\u5821\u5c14\u8c31\u76f8\u7ed3\u5408\u8868\u660e\uff0c\u968f\u7740Fe\u53d6\u4ee3\u7684\u589e\u52a0\uff0cLSNF\u7cfb\u5217\u4e2d\u7684\u5e73\u5747Ni\u6c27\u5316\u6001\u4ece+3.46\u589e\u52a0\u5230+3.95\uff0c\u800cNi2+\/3+<\/sup>\u6c27\u5316\u8fd8\u539f\u5cf0\u4e5f\u8f6c\u79fb\u5230\u66f4\u6b63\u7684\u7535\u4f4d\uff0c\u4e0eNi\u7684\u6c27\u5316\u6001\u589e\u5f3a\u76f8\u4e00\u81f4\u3002\u5c3d\u7ba1\u5177\u6709\u7edf\u8ba1\u4e0a\u7b49\u6548\u7684Ni\u6c27\u5316\u6001\uff0c\u4f46\u662f\u56e0\u4e3a\u7535\u50ac\u5316\u6d3b\u6027\u4eceLSN\u589e\u52a0\u5230LSNF30\u8d85\u8fc7\u4e00\u4e2a\u6570\u91cf\u7ea7\uff0cFe\u53d6\u4ee3\u5bf9\u50ac\u5316\u5242\u6027\u80fd\u7684\u5f71\u54cd\u8d85\u8fc7\u589e\u52a0Ni\u7684\u6c27\u5316\u5f3a\u5ea6\u3002DFT\u8ba1\u7b97\u663e\u793aFe\u53d6\u4ee3\u5bfc\u81f4\u4ea4\u53c9\u95f4\u9699\u6742\u5316\uff0c\u5176\u4e2dFe 3d eg<\/sub>\u5e26\u4e0eNi 3d eg<\/sub>\u548cO 2p\u7684\u9876\u90e8\u6742\u5316\u4f7f\u5f97\u6001\u5bc6\u5ea6\u8de8\u8d8a\u4e86\u8d39\u7c73\u80fd\u7ea7\u3002\u7531\u4e8eFe\u7684\u63ba\u5165\uff0cNi-O\u952e\u7684\u5171\u4ef7\u589e\u52a0\u4ee5\u53ca\u901a\u8fc7Fe-O-Ni\u6865\u7535\u8377\u8f6c\u79fb\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\uff0c\u8fd9\u4e9b\u89e3\u91ca\u4e86\u4eceLSN\u5230LSNF\u50ac\u5316\u6d3b\u6027\u7684\u589e\u5f3a\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u8ba1\u7b97LSNF\u7684\u90e8\u5206\u6001\u5bc6\u5ea6\u548c\u7b80\u5316\u7684SNF\u8bc1\u660e\u4e86\u5171\u4ef7\u6027\u7684\u589e\u52a0\uff0c\u800c\u8fd9\u662f\u901a\u8fc7LOM\u673a\u5236\u53d1\u751fOER\u7684\u5fc5\u8981\u6761\u4ef6\u3002\u5728LSNF\u4e0a\u53ef\u4ee5\u770b\u5230\u6c27\u7a7a\u4f4d\u5f62\u6210\u80fd\u91cf\u7684\u51cf\u5c11\u548c\u6c27\u6269\u6563\u901f\u7387\u7684\u589e\u52a0\uff0c\u8fdb\u4e00\u6b65\u652f\u6301\u5728LSNF\u4e0a\u901a\u8fc7LOM\u673a\u5236\u8fdb\u884cOER\u53cd\u5e94\u7684\u5047\u8bbe\u3002\u8fd9\u79cd\u9009\u62e9RP\u578b\u9499\u949b\u77ff\u6c27\u5316\u7269\u4e2dA-\u548cB-\u4f4d\u70b9\u8fdb\u884c\u53d6\u4ee3\u4ece\u800c\u4fc3\u8fdbRP\u6c27\u5316\u7269\u4e2d\u7684\u95f4\u9699\u6742\u5316\u7684\u65b9\u6cd5\u7ed9\u51fa\u4e86\u50ac\u5316\u5242\u7ed3\u6784\u4e0e\u5176\u4f18\u5f02\u6027\u80fd\u76f8\u5173\u7684\u91cd\u8981\u57fa\u7840\u6027\u7406\u89e3\u3002<\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1a<\/strong>Exceptional electrocatalytic oxygen evolution via tunable charge transfer interactions in La0.5<\/sub>Sr1.5<\/sub>Ni1-x<\/sub>Fex<\/sub>O4\u00b1\u03b4 <\/sub>Ruddlesden-Popper oxides.<\/a><\/span> (Nat. Common.,<\/em> 2018, 9, 3150.)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u91d1\u5c5e\u6750\u6599\u5b66\u672f\u7ec4\u827e\u8d85\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\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\u7bb1tougao@cailiaoren.com\u3002<\/p>\n

\u6750\u6599\u4eba\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu \u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u9499\u949b\u77ff\u578b\u6750\u6599\u662f\u76ee\u524d\u79d1\u7814\u754c\u7684\u7814\u7a76\u70ed\u70b9\uff0c\u4eca\u5929\u6211\u4eec\u6765\u770b\u770b\u7f8e\u4fc4\u4e24\u56fd\u79d1\u5b66\u5bb6\u901a\u529b\u5408\u4f5c\u5c06\u9499\u949b\u77ff\u6750\u6599\u5e94\u7528\u5728\u80fd\u6e90\u50ac\u5316\u9886\u57df\u7684\u6700\u65b0\u62a5\u9053\u3002\u6301\u7eed\u589e\u52a0\u7684\u5168\u7403\u80fd\u6e90\u9700\u6c42\u9700\u8981\u66f4\u591a\u7684\u7535\u89e3…<\/p>\n","protected":false},"author":9703,"featured_media":150214,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[3402,2655,2490,3507,2519,244],"class_list":["post-150470","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","tag-dft","tag-oer","tag-2490","tag-3507","tag-2519","tag-gaitaikuang"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/150470"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/9703"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=150470"}],"version-history":[{"count":7,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/150470\/revisions"}],"predecessor-version":[{"id":151300,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/150470\/revisions\/151300"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/150214"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=150470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=150470"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=150470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}