{"id":239547,"date":"2022-07-09T07:32:15","date_gmt":"2022-07-08T23:32:15","guid":{"rendered":"\/\/m.iemloyee.com\/?p=239547"},"modified":"2022-07-08T15:39:52","modified_gmt":"2022-07-08T07:39:52","slug":"%e5%93%88%e5%b0%94%e6%bb%a8%e5%b7%a5%e4%b8%9a%e5%a4%a7%e5%ad%a6nat-commun-%ef%bc%9a%e6%8f%92%e5%b1%82%e9%94%82%e6%9b%b4%e5%85%b7oer%e9%ad%85%e5%8a%9b","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=239547","title":{"rendered":"\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66Nat. Commun.\uff1a\u63d2\u5c42\u9502\u66f4\u5177OER\u9b45\u529b"},"content":{"rendered":"

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

\u6790\u6c27\u53cd\u5e94 (OER) \u662f\u7535\u5316\u5b66\u6c34\u5206\u89e3\u4e2d\u7684\u9633\u6781\u53cd\u5e94\uff0c\u63a7\u5236\u7740\u7535\u9a71\u52a8\u6c34\u5206\u89e3\u7684\u6574\u4f53\u6548\u7387\u3002\u91d1\u7ea2\u77f3\u578b RuO2 <\/sub>\u88ab\u8ba4\u4e3a\u662f\u9178\u6027 OER\u7684\u57fa\u51c6\u50ac\u5316\u5242\u3002\u4f46\u662fRuO2 <\/sub>\u7684\u4f4e\u6d3b\u6027\u4ee5\u53caRu \u5728\u9178\u6027\u6eb6\u6db2\u4e2d\u7684\u6eb6\u89e3\u548c\u6676\u683c\u6c27\u7684\u6676\u683c\u6c27\u4ecb\u5bfc\u673a\u5236\uff08LOM\uff09\u5bfc\u81f4\u5176\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u7a33\u5b9a\u6027\u5dee\u3002\u53ef\u4ee5\u901a\u8fc7\u5411\u6750\u6599\u4e2d\u63ba\u6742\u5177\u6709\u4e0d\u540c\u4ef7\u6001\u548c\u7535\u8d1f\u6027\u7684\u5916\u6765\u539f\u5b50\u6765\u89e3\u51b3\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u91cd\u65b0\u5206\u914d RuO2 <\/sub>\u7684\u7535\u8377\u5bc6\u5ea6\u548c\u81ea\u65cb\u5bc6\u5ea6\uff0c\u4ece\u800c\u8c03\u8282\u6c27\u4e2d\u95f4\u4f53\u5728\u6d3b\u6027\u4f4d\u70b9\u7684\u5438\u9644\u80fd\uff1b\u6d89\u53ca\u8026\u5408\u79bb\u5b50-\u7535\u5b50\u8f6c\u79fb\u7684\u7535\u5316\u5b66\u79bb\u5b50\u63d2\u5165\u4e5f\u662f\u4e00\u79cd\u5c06\u5916\u6765\u5143\u7d20\u5f15\u5165\u4e3b\u4f53\u6750\u6599\u4ee5\u8fdb\u884c\u7535\u5b50\u6216\u6676\u4f53\u7ed3\u6784\u8c03\u5236\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u662f\u4e00\u79cd\u6709\u6548\u63d0\u9ad8\u5c42\u72b6\u7ed3\u6784\u6750\u6599\u50ac\u5316\u6027\u80fd\u7684\u5408\u6210\u7b56\u7565\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u7531\u54c8\u5c14\u6ee8\u5de5\u4e1a\u5927\u5b66\uff08\u6df1\u5733\u6821\u533a\uff09\u5468\u6654\u7814\u7a76\u5458\uff0c\u90b1\u534e\u519b\u526f\u6559\u6388\u7b49\u4eba\u5e26\u9886\u7684\u56e2\u961f\u5728\u201dNATURE COMMUNICATIONS<\/em><\/strong>\u201d\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201d RuO2 <\/sub>electronic structure and lattice strain dual engineering for enhanced acidic oxygen evolution reaction performance<\/em>\u201d\u7684\u6587\u7ae0\uff0c\u8be5\u6587\u7ae0\u62a5\u9053\u4e86\u4e00\u79cd\u6539\u5584 RuO2<\/sub>\u5728\u9178\u6027\u6790\u6c27\u53cd\u5e94\u4e2d\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684\u7535\u5316\u5b66\u9502\u63d2\u5c42\u65b9\u6cd5\uff1a\u5c06\u9502\u5d4c\u5165\u5230\u5177\u6709\u53ef\u8c03\u9502\u6d53\u5ea6\u7684 RuO2 <\/sub>\u6676\u683c\u95f4\u9699\u4e2d\uff0c\u4ee5\u63d0\u9ad8 RuO2 <\/sub>\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u7684 OER \u6d3b\u6027\u548c\u8010\u4e45\u6027\u3002\u7ecf\u5b9e\u9a8c\u8bc1\u5b9e\uff0c\u8fd9\u79cd\u7ecf\u6539\u5584\u540e\u7684\u50ac\u5316\u5242LixRuO2<\/sub>\u57280.5 M H2<\/sub>SO4\u7535\u89e3\u6db2\u4e2d\u53ef\u4ee5\u572810 mA cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\u9a71\u52a8\u521b\u7eaa\u5f55\u7684156 mV\u7684\u8fc7\u7535\u4f4d\uff0c\u540c\u65f6\u572870\u5c0f\u65f6\u8ba1\u65f6\u7535\u4f4d\u6d4b\u8bd5\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u8010\u4e45\u6027\u3002<\/p>\n

\"\"<\/p>\n

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

1.\u91c7\u7528\u7535\u5316\u5b66\u9502\u5d4c\u5165\u65b9\u6cd5\uff0c\u5c06\u9502\u5d4c\u5165\u5230 RuO2 <\/sub>\u7684\u6676\u683c\u95f4\u9699\u4e2d\uff0c\u63d0\u4f9b\u7535\u5b50\u5e76\u626d\u66f2\u5c40\u90e8\u7ed3\u6784\uff0c<\/p>\n

\u4ece\u800c\u4f7f Ru \u4ef7\u6001\u964d\u4f4e\uff0cRu-O \u5171\u4ef7\u6001\u51cf\u5f31\uff0c\u5f62\u6210\u7a33\u5b9a\u7684 Li-O-Ru\uff0c\u6291\u5236 Ru \u7684\u6eb6\u89e3\uff0c\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u8010\u4e45\u6027\u3002<\/p>\n

2.\u56fa\u6709\u6676\u683c\u5e94\u53d8\u5bfc\u81f4 LixRuO2<\/sub>\u7684\u8868\u9762\u7ed3\u6784\u7578\u53d8\uff0c\u6fc0\u6d3b Ru \u6d3b\u6027\u4e2d\u5fc3\u9644\u8fd1\u60ac\u7a7a\u7684 O \u539f\u5b50\u4f5c\u4e3a\u8d28\u5b50\u53d7\u4f53\uff0cOOH * \u4e2d\u7684 H \u539f\u5b50\u53ef\u4ee5\u66f4\u591a\u7262\u56fa\u5730\u7ed3\u5408\u5728\u60ac\u7a7a\u7684 O \u539f\u5b50\u4e0a\u4ee5\u7a33\u5b9a OOH *\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u6750\u6599\u7684\u50ac\u5316\u6d3b\u6027\u3002<\/p>\n

\u00a0<\/strong><\/p>\n

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

\u00a0\"\"<\/p>\n

\u56fe1: \u7ed3\u6784\u548c\u6210\u5206\u7279\u5f81\u3002@NATURE COMMUNICATIONS<\/p>\n

a. \u5236\u5907\u9502\u63d2\u5c42RuO2<\/sub>\u7684\u793a\u610f\u56fe; b. \u9502\u63d2\u5c42\u524d\u7684 RuO6<\/sub>\u516b\u9762\u4f53; c. \u5d4c\u9502\u540e\u7684 RuO6<\/sub>\u516b\u9762\u4f53, d. \u572810mA g-1<\/sup>\u6052\u7535\u6d41\u5bc6\u5ea6\u4e0bRuO2<\/sub>\u7ecf\u8fc7\u7535\u5316\u5b66\u9502\u5316\u8fc7\u7a0b\u540e\u8fdb\u884c14h \u5f1b\u8c6b\u7684\u539f\u4f4dXRD; e. \u539f\u751f RuO2<\/sub>\u548c LixRuO2<\/sub>\u7684X \u5c04\u7ebf\u884d\u5c04\u56fe\u8c31; f. \u539f\u59cb RuO2<\/sub>(\u5de6)\u548c Li0.52<\/sub>RuO2<\/sub>(\u53f3)\u7684 HAADF-STEM \u56fe\u50cf; g. Li0.52<\/sub>RuO2<\/sub>\u7684\u9ad8\u5206\u8fa8\u7387XPS Li 1s\u3002<\/p>\n

\"\"<\/p>\n

\u56fe2: 0.5 M H2<\/sub>SO4\u6eb6\u6db2\u4e2d\u7684 OER \u6027\u80fd\u3002@NATURE COMMUNICATIONS<\/p>\n

a. \u6781\u5316\u66f2\u7ebf\uff08\u7ecfRHE\u77eb\u6b63\u4e4b\u540e\uff09; b. RuO2 <\/sub>\u548c LixRuO2 <\/sub>\u5728 10 mA cm-2<\/sup> \u65f6\u7684\u8fc7\u7535\u52bf (\u03b710<\/sub>), \u8bef\u5dee\u7ebf\u8868\u793a\u4e0e a \u4e2d\u8fc7\u7535\u4f4d\u7684\u504f\u5dee; c. \u5854\u83f2\u5c14\u56fe; d. Li0.52<\/sub>RuO2 <\/sub>\u548c RuO2 <\/sub>\u5728 10 mA cm-2<\/sup> \u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u8ba1\u65f6\u7535\u4f4d\u66f2\u7ebf; e. \u7ecf\u8fc7\u4e0d\u540c\u7535\u50ac\u5316\u53cd\u5e94\u65f6\u95f4\u540e\uff0cRuO2 <\/sub>\u548c Li0.52<\/sub>RuO2 <\/sub>\u6eb6\u89e3\u7684\u767e\u5206\u6bd4; f. \u5404\u79cdRuO2<\/sub>\u57fa\u7535\u50ac\u5316\u5242\u5728\u9178\u6027\u4ecb\u8d28\u4e2d\u572810 mA cm-2<\/sup>\u4e0b\u6240\u9700\u7684\u8fc7\u7535\u4f4d\u548c\u5b9e\u73b010 mA cm-2<\/sup>\u7684\u9634\u6781\u7535\u6d41\u5bc6\u5ea6\u65f6\u8ba1\u65f6\u7535\u4f4d\u8010\u4e45\u6027\u6bd4\u8f83\u3002<\/p>\n

\"\"<\/p>\n

\u56fe3: OER \u673a\u7406\u5206\u6790\u3002@NATURE COMMUNICATIONS<\/p>\n

a. RuO2 <\/sub>\u548c Li0.5<\/sub>RuO2 <\/sub>\u7684 PDOS; b.\u5085\u91cc\u53f6\u53d8\u6362\u7684Ru K\u8fb9\u5ef6\u4f38EXAFS\u8c31; c. \u4eceRuO2<\/sub>\uff08\u4e0a\uff09\u548cLi0.56<\/sub>RuO2<\/sub>\uff08\u4e0b\uff09\u7684\u539f\u5b50\u5206\u8fa8\u7387HAADF-STEM\u56fe\u50cf\uff08\u56fe1f\uff09\u7684\u51e0\u4f55\u76f8\u5206\u6790\uff08GPA\uff09\u4e2d\u6d4b\u91cf\u7684\u6676\u683c\u5e94\u53d8\uff08\u03b5xx<\/sub>\uff09; d. \u8ba1\u7b97\u51fa\u7684 RuO2 <\/sub>\u548c Li0.5<\/sub>RuO2 <\/sub>\u7684 OER \u81ea\u7531\u80fd\u56fe; e. \u5438\u9644\u5728RuO2<\/sub>\uff08\u4e0a\uff09\u548cLi0.5<\/sub>RuO2<\/sub>\uff08\u4e0b\uff09\uff08110\uff09\u8868\u9762\u7684O* \u7684\u7535\u8377\u5bc6\u5ea6\u5206\u5e03, \u6700\u5916\u9762\u7684\u9ed1\u8272\u66f2\u7ebf\u5bf9\u5e94\u4e8e 0.0164 e–<\/sup>\/Bohr3<\/sup> \u7684\u7535\u8377\u5bc6\u5ea6; f. \u5438\u9644\u5728 RuO2<\/sub>\uff08\u4e0a\uff09\u548c Li0.5<\/sub>RuO2<\/sub>\uff08\u4e0b\uff09\uff08110\uff09\u8868\u9762\u4e0a\u7684 OOH* \u7684\u7535\u8377\u5bc6\u5ea6\u5206\u5e03\uff0c\u6700\u5916\u9762\u7684\u9ed1\u8272\u66f2\u7ebf\u5bf9\u5e94\u4e8e 0.1 e–<\/sup>\/Bohr3<\/sup>\u7684\u7535\u8377\u5bc6\u5ea6\u3002\"\"<\/p>\n

\u56fe4: \u7535\u5b50\u7ed3\u6784\u3002@NATURE COMMUNICATIONS<\/p>\n

a. \u5f52\u4e00\u5316RuK\u8fb9X\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7ed3\u6784(XANES)\u5149\u8c31\uff0c\u63d2\u56fe\uff1aRuO2 <\/sub>\u548c LixRuO2 <\/sub>\u7684 Ru K \u8fb9 XANES \u5149\u8c31\u7684\u4e00\u9636\u5bfc\u6570; b. LixRuO2 <\/sub>\u548c RuO2<\/sub> \u7684O K\u8fb9 \u8f7bXAS; c. LixRuO2 <\/sub>(110) \u6676\u9762\u7684\u7535\u8377\u5bc6\u5ea6\u5206\u5e03\uff0cn = 0\uff08\u5de6\uff09\u548c 16\uff08\u53f3\uff09; d. Ru \u548c Li \u5df4\u5fb7\u7535\u8377\u3002<\/p>\n

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

\u672c\u6587\u4f5c\u8005\u4ee5RuO2<\/sub>\u7684\u5f31\u52bf\u4e3a\u51fa\u53d1\u70b9\uff0c\u81f4\u529b\u4e8e\u63d0\u9ad8Ru\u5728\u9178\u6027\u7535\u89e3\u6db2\u4e2d\u7684\u7a33\u5b9a\u6027\u548c\u50ac\u5316\u6d3b\u6027\uff0c\u4ee5\u7535\u5316\u5b66\u63d2\u5c42\u9502\u65b9\u6cd5\u4ece\u539f\u5b50\u89d2\u5ea6\u8c03\u63a7\u6027\u80fd\uff0c\u8bc1\u5b9e\u4e86\u7ed3\u6784\u51b3\u5b9a\u6027\u80fd\u8fd9\u4e00\u79d1\u5b66\u4e8b\u5b9e\u3002\u63d2\u9502\u53ef\u4ee5\u663e\u7740\u63d0\u9ad8RuO2<\/sub>\u7684OER\u6027\u80fd\uff0c\u8fd9\u5f52\u56e0\u4e8e\u9502\u5d4c\u5165\u7684\u53cc\u91cd\u529f\u80fd\uff0c\u5373\u7535\u5b50\u7ed3\u6784\u7684\u4fee\u6539\u548c RuO2<\/sub> \u56fa\u6709\u6676\u683c\u5e94\u53d8\u7684\u8c03\u6574\u3002\u9502\u63d0\u4f9b\u7535\u5b50\uff0c\u4f7fRu\u7684\u4ef7\u6001\u964d\u4f4e\uff0cLi-O\u7684\u76f8\u4e92\u4f5c\u7528\u589e\u52a0\u3002\u540c\u65f6\uff0cRu-O 4d-2p \u6742\u5316\u51cf\u5f31\uff0cRu-O \u5171\u4ef7\u964d\u4f4e\u3002 \u56e0\u6b64\uff0c\u5728OER\u8fc7\u7a0b\u4e2d\u6291\u5236\u4e86\u6676\u683c\u6c27\u7684\u53c2\u4e0e\u548cRu\u7684\u6eb6\u89e3\uff0c\u63d0\u9ad8\u4e86\u7a33\u5b9a\u6027\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u9502\u5d4c\u5165\u5c06\u4f8b\u5982Ru d-\u5e26\u7535\u5b50\u7684\u5360\u6709\u7387\u8c03\u5236\u4e3a\u66f4\u63a5\u8fd1\u7edf\u4e00\u3002\u6b64\u5916\uff0c\u56fa\u6709\u7684\u6676\u683c\u5e94\u53d8\u5bfc\u81f4\u8868\u9762\u7ed3\u6784\u53d8\u5f62\uff0c\u4ece\u800c\u6fc0\u6d3bRu\u6d3b\u6027\u4f4d\u70b9\u9644\u8fd1\u7684\u60ac\u7a7aO\u539f\u5b50\u4f5c\u4e3a\u8d28\u5b50\u53d7\u4f53\uff0c\u5b9e\u73b0\u7a33\u5b9a\u7684OOH*\u5e76\u663e\u7740\u63d0\u9ad8OER\u6d3b\u6027\u3002 \u8fd9\u9879\u5de5\u4f5c\u63d0\u51fa\u4e86\u4e00\u79cd\u521b\u9020\u6027\u7684\u7b56\u7565\uff0c\u53ef\u4ee5\u540c\u65f6\u8c03\u6574\u7535\u5b50\u7ed3\u6784\u548c\u6676\u683c\u5e94\u53d8\uff0c\u4ee5\u8bbe\u8ba1\u5177\u6709\u6f5c\u5728\u5b9e\u9645\u5e94\u7528\u7684\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u7684\u9178\u6027 OER \u50ac\u5316\u5242\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>https:\/\/doi.org\/10.1038\/s41467-022-31468-0<\/strong><\/p>\n

\u672c\u6587\u7531hzdu\u4f9b\u7a3f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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