{"id":168994,"date":"2019-03-11T06:30:22","date_gmt":"2019-03-10T22:30:22","guid":{"rendered":"\/\/m.iemloyee.com\/?p=168994"},"modified":"2019-03-10T21:45:37","modified_gmt":"2019-03-10T13:45:37","slug":"%e5%b7%b2%e6%a0%a1-%e5%87%8c%e6%b6%9b%e4%b9%94%e4%b8%96%e7%92%8badv-mater-%e5%8f%8c%e6%8e%ba%e6%9d%82%e5%8a%a9%e5%8a%9b%e8%bf%87%e6%b8%a1%e9%87%91%e5%b1%9e%e6%b0%a7%e5%8c%96%e7%89%a9%e7%94%b5","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=168994","title":{"rendered":"\u51cc\u6d9b&\u4e54\u4e16\u748bAdv. Mater. : \u53cc\u63ba\u6742\u52a9\u529b\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u7535\u5b50\u7ed3\u6784\u8c03\u63a7\u53ca\u5176\u9ad8\u6d3b\u6027\u78b1\u6027\u6790\u6c22\u53cd\u5e94"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \n \u6790\u6c22\u53cd\u5e94(HER)\u662f\u6e05\u6d01\u6c22\u71c3\u6599\u751f\u4ea7\u4e2d\u7684\u5173\u952e\u8fc7\u7a0b\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0c\u5173\u4e8e\u65b0\u578bHER\u7535\u50ac\u5316\u5242\u5f00\u53d1\u7684\u7406\u8bba\u548c\u5b9e\u9a8c\u5de5\u4f5c\u4e3b\u8981\u96c6\u4e2d\u4e8e\u91d1\u5c5e\u6750\u6599\u3002\u7531\u4e8e\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u4e0d\u9002\u5b9c\u7684\u6c22\u5438\u9644\u80fd\u548c\u4e0d\u5229\u7684\u7535\u5b50\u4f20\u8f93\uff0c\u901a\u5e38\u88ab\u8ba4\u4e3a\u57fa\u672c\u4e0d\u5177\u6709HER\u6d3b\u6027\u3002\u6700\u8fd1\u7814\u7a76\u53d1\u73b0\uff0c\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u662f\u4e00\u79cd\u9ad8\u6d3b\u6027OER\u50ac\u5316\u5242\u3002\u5982\u679c\u5c06\u5ec9\u4ef7\u7a33\u5b9a\u7684\u91d1\u5c5e\u6c27\u5316\u7269\u5347\u7ea7\u4e3aHER\u548cOER\u53cc\u529f\u80fd\u50ac\u5316\u5242\uff0c\u5bf9\u5168\u89e3\u6c34\u7684\u5927\u89c4\u6a21\u5e94\u7528\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\uff0c\u9700\u5b9e\u73b0\u5bf9\u91d1\u5c5e\u6c27\u5316\u7269\u7535\u5b50\u7ed3\u6784\u7684\u5168\u9762\u8c03\u63a7\uff0c\u4f7f\u5176\u6210\u4e3a\u9ad8\u6d3b\u6027\u7684HER\u50ac\u5316\u5242\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \n \u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u51cc\u6d9b\u6559\u6388\u548c\u963f\u5fb7\u83b1\u5fb7\u5927\u5b66\u4e54\u4e16\u748b\u6559\u6388(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u901a\u8fc7Ni\u548cZn\u53cc\u63ba\u6742\u6765\u8c03\u8282CoO\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u5c06\u5176\u4ece\u60f0\u6027\u6750\u6599\u8f6c\u53d8\u4e3a\u5bf9\u6790\u6c22\u53cd\u5e94(HER)\u5177\u6709\u9ad8\u6d3b\u6027\u7684\u6750\u6599\uff0c\u5e76\u5728Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cWell-Dispersed Nickel- and Zinc-Tailored Electronic Structure of a Transition Metal Oxide for Highly Active Alkaline Hydrogen Evolution Reaction<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u7ed3\u5408\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u548c\u5148\u8fdb\u7684\u8868\u5f81\u6280\u672f\u8bc1\u5b9e\uff0cNi\u548cZn\u53cc\u63ba\u6742\u662f\u663e\u8457\u589e\u5f3a\u6c27\u5316\u7269HER\u6d3b\u6027\u7684\u539f\u56e0\u3002\u7814\u7a76\u8868\u660e\uff0cNi\u539f\u5b50\u805a\u96c6\u5728\u6c27\u5316\u7269\u8868\u9762\u6c27\u7a7a\u4f4d\u5468\u56f4\uff0c\u5f62\u6210Nix<\/sub>-OV<\/sub>\u56e2\u7c07\uff0c\u4e3aHER\u53cd\u5e94\u4e2d\u95f4\u4f53\u5438\u9644\u63d0\u4f9b\u7406\u60f3\u7684\u8868\u9762\u7535\u5b50\u7ed3\u6784\uff1b\u800c\u5206\u5e03\u4e8e\u4f53\u5185\u7684Zn\u539f\u5b50\u8c03\u8282\u4e86\u4f53\u76f8\u7535\u5b50\u7ed3\u6784\u4ee5\u589e\u5f3a\u7535\u5b50\u4f20\u5bfc\u3002\u5728\u5168\u9762\u7535\u5b50\u7ed3\u6784\u8c03\u63a7\u4e0b\uff0cNi\/Zn\u53cc\u63ba\u6742\u7684CoO\u7eb3\u7c73\u68d2\u5728\u8fc7\u7535\u52bf\u5206\u522b\u4e3a53\u548c79 mV\u65f6\u5206\u522b\u8fbe\u523010\u548c20 mA\u00b7cm-2<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u4f18\u4e8e\u5df2\u62a5\u9053\u7684\u6c27\u5316\u7269\u3001\u6c27\u5316\u7269\/\u91d1\u5c5e\u3001\u786b\u5316\u7269\u4ee5\u53ca\u78f7\u5316\u7269\u50ac\u5316\u5242\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> a) 10 cm\u00d72 cm \u78b3\u7ea4\u7ef4\u7eb8(CFP)\u4e0a\u6c27\u5316\u7269\u7eb3\u7c73\u68d2\u7684\u6570\u7801\u7167\u7247\uff1b \u56fe2 \u6c27\u5316\u7269\u7eb3\u7c73\u7ebf\u8868\u9762\u6c27\u7a7a\u4f4d\u548cNi\u5143\u7d20\u7684\u539f\u5b50\u6784\u578b\u5206\u6790<\/strong><\/p>\n a) \u7eafCoO\u7eb3\u7c73\u68d2\u3001\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u548c\u53c2\u6bd4CoO\u7684O K\u8fb9\u5438\u6536\u5149\u8c31\uff1b \u56fe3 \u78b1\u6027HER\u6027\u80fd<\/strong><\/p>\n a) 1 M KOH\u4e2d\uff0c Ni\/Zn\u53cc\u63ba\u6742CoO \u7eb3\u7c73\u68d2\u548c\u5546\u4e1aPt\/C\u7b49\u50ac\u5316\u5242\u7684LSV\u66f2\u7ebf\uff1b \u56fe4 Ni\u548cZn\u63ba\u6742\u540e\u6d3b\u6027\u589e\u5f3a\u7684\u539f\u56e0\u63a2\u7a76<\/strong><\/p>\n a) \u539f\u59cbCoO\u3001Ni\u63ba\u6742CoO(\u8868\u9762Ni\u63ba\u6742\u6d53\u5ea6\u7ea611 %)\u548c\u5e94\u53d8Ni\u63ba\u6742CoO(\u5177\u67091 %\u62c9\u4f38\u5e94\u53d8)\u6c22\u5438\u9644\u81ea\u7531\u80fd\u0394GH*\u7684DFT\u8ba1\u7b97\uff0c\u5176\u4e2d\u539f\u59cbCoO\u662f\u6307\u65e0\u7535\u5b50\u7ed3\u6784\u8c03\u63a7\u7684CoO\uff1b \u56fe5 Ni\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u7684\u5168\u89e3\u6c34\u6027\u80fd\u8bc4\u4ef7<\/strong><\/p>\n a) 6 M KOH\u6eb6\u6db2\u4e2d\uff0cNi\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u7535\u6781HER\u548cOER\u7684LSV\u66f2\u7ebf\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u901a\u8fc7\u53cc\u5143\u7d20\u63ba\u6742\u5bf9\u6c27\u5316\u7269\u50ac\u5316\u5242\u7684\u7535\u5b50\u7ed3\u6784\u8fdb\u884c\u5168\u9762\u8c03\u63a7\uff0c\u663e\u8457\u63d0\u9ad8\u4e86\u6c27\u5316\u7269\u5728\u78b1\u6027\u6761\u4ef6\u4e0bHER\u7684\u672c\u5f81\u548c\u8868\u89c2\u6d3b\u6027\u3002\u5b9e\u9a8c\u548c\u7406\u8bba\u7ed3\u679c\u8868\u660e\uff0c\u6027\u80fd\u589e\u5f3a\u53ef\u5f52\u56e0\u4e8eNi\/Zn\u53cc\u63ba\u6742\uff0c\u5176\u5206\u522b\u8c03\u8282\u6c27\u5316\u7269\u7684\u8868\u9762\u548c\u4f53\u76f8\u7535\u5b50\u7ed3\u6784\uff0c\u5373\uff1a1) Ni\u539f\u5b50\u805a\u96c6\u5728\u6c27\u5316\u7269\u8868\u9762\u6c27\u7a7a\u4f4d\u5468\u56f4\u5f62\u6210Nix<\/sub>-OV<\/sub>\u56e2\u7c07\uff0c\u4e3aHER\u53cd\u5e94\u4e2d\u95f4\u5438\u9644\u63d0\u4f9b\u7406\u60f3\u7684\u8868\u9762\u7535\u5b50\u7ed3\u6784\uff1b2) \u5206\u5e03\u4e8e\u4f53\u5185\u7684Zn\u539f\u5b50\u8c03\u8282\u4e86\u4f53\u76f8\u7535\u5b50\u7ed3\u6784\u4ee5\u589e\u5f3a\u7535\u5b50\u4f20\u5bfc\u3002\u4f5c\u8005\u5bf9\u6c27\u5316\u7269\u8fdb\u884c\u7535\u5b50\u7ed3\u6784\u5168\u9762\u8c03\u63a7\u7684\u7b56\u7565\u6709\u671b\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5176\u5b83\u7535\u50ac\u5316\u5242\u3002<\/p>\n
\n \u56fe1 Ni\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u7684\u5408\u6210<\/strong><\/p>\n<\/p>\n
\n b,c) CFP\u4e0a\u7684Ni\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u7684\u626b\u63cf\u7535\u955c(SEM)\u56fe\u50cf\uff1b
\n d) \u5355\u6839Ni\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u7684\u793a\u610f\u56fe\u4ee5\u53ca\u4f4e\u500dTEM\u56fe\u50cf\uff1b
\n e,f) \u5bf9\u5e94\u7684SAED\u56fe\u50cf\u548c\u9ad8\u500dHAADF-STEM\u56fe\u50cf\uff1b
\n g) \u5355\u6839Ni\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u4e0a\u7684\u5143\u7d20\u5206\u5e03\u3002<\/p>\n<\/p>\n
\n b) EXAFS\u5149\u8c31\u7684\u5085\u91cc\u53f6\u53d8\u6362\uff0c\u5185\u63d2\u56fe\u4e3aNix<\/sub>-OV<\/sub>\u56e2\u7c07\u7684\u793a\u610f\u56fe\uff0c\u5176\u4e2d\u6a59\u8272\u548c\u84dd\u8272\u7403\u5206\u522b\u4ee3\u8868CoO\u4e2d\u7684\u6c27\u548c\u94b4\u539f\u5b50\uff0c\u7ea2\u8272\u7403\u8868\u793a\u954d\u63ba\u6742\u539f\u5b50\uff0c\u767d\u8272\u7403\u4ee3\u8868O\u7a7a\u4f4d\u3002<\/p>\n<\/p>\n
\n b) Ni\/Zn\u53cc\u63ba\u6742CoO \u7eb3\u7c73\u68d2\u7684\u78b1\u6027HER\u6027\u80fd\u4e0e\u5176\u4ed6\u78b1\u6027HER\u50ac\u5316\u5242\u7684\u6bd4\u8f83\u3002<\/p>\n<\/p>\n
\n b) \u539f\u59cbCoO\u548cZn\u63ba\u6742CoO\u7684\u6001\u5bc6\u5ea6(Zn\u63ba\u6742\u6d53\u5ea6\u7ea62 %)\uff1b
\n c,d) \u539f\u59cbCoO\u3001Ni\u63ba\u6742\u3001Zn\u63ba\u6742\u3001Ni\/Zn\u53cc\u63ba\u6742CoO \u7eb3\u7c73\u68d2\u548cPt\/C\u50ac\u5316\u5242\u7684\u6027\u80fd\u6bd4\u8f83\u3002<\/p>\n<\/p>\n
\n b) \u4ee5Ni\/Zn\u53cc\u63ba\u6742CoO\u7eb3\u7c73\u68d2\u4e3a\u7535\u6781\u7684\u7535\u89e3\u69fd\u572810 mA\u00b7cm-2<\/sup>\u4e0b\u30016 M KOH\u4e2d\u8fd0\u884c24 h\u7684\u6027\u80fd\u3002<\/p>\n