{"id":238579,"date":"2022-06-20T06:50:08","date_gmt":"2022-06-19T22:50:08","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=238579"},"modified":"2022-06-19T21:00:13","modified_gmt":"2022-06-19T13:00:13","slug":"%e6%b8%85%e5%8d%8e%e5%a4%a7%e5%ad%a6nat-commun-%ef%bc%9a%e8%b6%85%e5%bf%ab%e7%84%a6%e8%80%b3%e8%87%aa%e5%8a%a0%e7%83%ad%e5%88%b6%e5%a4%87%e9%ab%98%e6%b4%bb%e6%80%a7%e5%92%8c%e7%a8%b3%e5%ae%9a","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=238579","title":{"rendered":"\u6e05\u534e\u5927\u5b66Nat. Commun.\uff1a\u8d85\u5feb\u7126\u8033\u81ea\u52a0\u70ed\u5236\u5907\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684Mo2C\/MoC\/CNT\u4ea7\u6c22\u7535\u50ac\u5316\u5242"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238591\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u6807\u9898-4.jpg\" alt=\"\" width=\"769\" height=\"423\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u6807\u9898-4.jpg 769w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u6807\u9898-4-300x165.jpg 300w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u6807\u9898-4-768x422.jpg 768w\" sizes=\"(max-width: 769px) 100vw, 769px\" \/><\/p>\n<p>\u7b2c\u4e00\u4f5c\u8005\uff1aChenyu Li<\/p>\n<p>\u901a\u8baf\u4f5c\u8005\uff1aYinghui Sun, Jia Li\uff0c\u5218\u6977<br \/>\n \u901a\u8baf\u5355\u4f4d\uff1a\u5317\u4eac\u79d1\u6280\u5927\u5b66\uff0c\u6df1\u5733\u5e02\u76d6\u59c6\u77f3\u58a8\u70ef\u4e2d\u5fc3\uff0c\u6e05\u534e\u5927\u5b66<\/p>\n<p>\u3010\u6587\u7ae0\u7b80\u4ecb\u3011<br \/>\n \u8bbe\u8ba1\u4ef7\u683c\u4f4e\u5ec9\u4e14\u9ad8\u6548\u7387\u7684\u7535\u89e3\u6c34\u50ac\u5316\u5242\u662f\u4e00\u79cd\u6709\u6548\u7684\u5236\u5907\u6c22\u6c14\u7b56\u7565\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u8981\u6c42\u7535\u50ac\u5316\u5242\u9700\u8981\u5177\u5907\u9ad8\u6d3b\u6027\u5e76\u80fd\u591f\u5728\u9ad8\u7535\u6d41\u5bc6\u5ea6\uff08\u22651000 mA cm<sup>\u22122<\/sup>\uff09\u4e0b\u7a33\u5b9a\u5de5\u4f5c\uff0c\u7136\u800c\uff0c\u540c\u65f6\u63d0\u9ad8\u7535\u50ac\u5316\u5242\u7684\u6d3b\u6027\u548c\u754c\u9762\u7a33\u5b9a\u6027\u4ecd\u7136\u662f\u4e00\u4e2a\u96be\u9898\uff0c\u6709\u9274\u4e8e\u6b64\uff0c\u6e05\u534e\u5927\u5b66\u5218\u6977\u8054\u5408\u5317\u4eac\u79d1\u6280\u5927\u5b66Yinghui Sun\u548c\u6df1\u5733\u5e02\u76d6\u59c6\u77f3\u58a8\u70ef\u4e2d\u5fc3Jia Li\u7b49\u4eba\u901a\u8fc7\u8d85\u5feb\uff08250 ms\uff09\u7684\u7126\u8033\u81ea\u52a0\u70ed\u65b9\u6cd5\u539f\u4f4d\u5408\u6210\u4e86\u4e00\u4e2a\u9ad8\u6548\u7684Mo<sub>2<\/sub>C\/MoC\/CNT\uff08CNT\uff1a\u78b3\u7eb3\u7c73\u7ba1\uff09\u5f02\u8d28\u7ed3\u6784\u4ea7\u6c22\u7535\u50ac\u5316\u5242\uff0c\u7531\u4e8e\u77ac\u65f6\u7684\u52a0\u70ed\u548c\u51b7\u5374\u8fc7\u7a0b\uff0cMo<sub>2<\/sub>C\/MoC\u7684\u5c3a\u5bf8\u4e3a\u7eb3\u7c73\u7ea7\u540c\u65f6\u4e0eCNT\u8584\u819c\u5f62\u6210\u5f3a\u70c8\u7684\u5316\u5b66\u952e\u5408\uff0c\u5927\u91cf\u7684Mo<sub>2<\/sub>C\/MoC\u5f02\u8d28\u754c\u9762\u4e3a\u6c22\u6790\u51fa\u53cd\u5e94\uff08HER\uff09\u63d0\u4f9b\u4e30\u5bcc\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u4ece\u800c\u4fdd\u8bc1Mo<sub>2<\/sub>C\/MoC\/CNT\u53ef\u4ee5\u8fbe\u52301500 mA cm<sup>\u22122<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\uff08255 mV\uff09\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728500\u548c1000 mA cm<sup>\u22122<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5206\u522b\u7a33\u5b9a\u5de5\u4f5c14\u5929\uff0c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8fdb\u4e00\u6b65\u8bc1\u5b9eMo<sub>2<\/sub>C\/MoC\u754c\u9762\u5177\u6709\u9002\u4e2d\u7684H\u5438\u9644\u81ea\u7531\u80fd\u5e76\u4e14Mo<sub>x<\/sub>C\u548cCNT\u57fa\u5e95\u4e4b\u95f4\u5b58\u5728\u5f3a\u70c8\u7684\u952e\u5408\uff0c\u8be5\u5de5\u4f5c\u63d0\u51fa\u4e86\u4e00\u79cd\u5236\u5907\u517c\u5177\u9ad8\u6d3b\u6027\u548c\u9ad8\u7a33\u5b9a\u6027\u7535\u6781\u7684\u8d85\u5feb\u81ea\u52a0\u70ed\u65b9\u6cd5\uff0c\u6709\u671b\u5b9e\u73b0\u5927\u89c4\u6a21\u7684\u751f\u4ea7\u5236\u9020\u5e76\u53ef\u62d3\u5c55\u81f3\u5176\u5b83\u80fd\u6e90\u50a8\u5b58\u9886\u57df\u3002<\/p>\n<p>\u3010\u672c\u6587\u8981\u70b9\u3011<br \/>\n 1\uff09\u4ee5\u6fc0\u5149\u94bb\u5b54\u7684CNT\u8584\u819c\u4f5c\u4e3a\u7126\u8033\u81ea\u52a0\u70ed\u57fa\u5e95\uff0c\u5728\u542bMo\u548cC\u524d\u9a71\u4f53\u5b58\u5728\u7684Ar\/H<sub>2<\/sub>\u6c14\u6c1b\u4e0b\u5feb\u901f\u53cd\u5e94\u83b7\u5f97\u5927\u5c3a\u5bf8\uff0880 mm\u00d740 mm\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u590d\u5408\u8584\u819c\uff0cComsol\u7269\u7406\u573a\u4eff\u771f\u8bc1\u5b9eCNT\u8584\u819c\u7684\u9762\u5185\u6e29\u5ea6\u9ad8\u8fbe1700 K\uff1b<br \/>\n 2\uff09X\u5c04\u7ebf\u884d\u5c04\uff08XRD\uff09\u5149\u8c31\u8bc1\u5b9eMo<sub>2<\/sub>C\/MoC\u5f02\u8d28\u754c\u9762\u7684\u5f62\u6210\u4e0e\u52a0\u70ed\u65f6\u95f4\u76f8\u5173\uff0c\u8db3\u591f\u7684\u52a0\u70ed\u65f6\u95f4\u5c06\u5bfc\u81f4\u5f62\u6210Mo<sub>2<\/sub>C\uff0cX\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u8bc1\u5b9eMo<sub>2<\/sub>C\/MoC\u5f02\u8d28\u754c\u9762\u5b58\u5728\u7535\u5b50\u8f6c\u79fb\uff0c\u5373Mo<sup>2+<\/sup>\u5cf0\u53d1\u751f\u84dd\u79fb\uff08~0.6 eV\uff09\u800cMo<sup>3+<\/sup>\u53d1\u751f\u7ea2\u79fb\uff08~0.5 eV\uff09\uff1b<br \/>\n 3\uff09\u626b\u63cf\u7535\u955c\u8bc1\u5b9eMo<sub>2<\/sub>C\/MoC\u9897\u7c92\u76f4\u5f84\u7ea620 nm\uff0c\u5747\u5300\u5206\u5e03\u5728CNT\u4e0a\u4e14\u672a\u53d1\u751f\u805a\u96c6\uff0c\u9ad8\u5206\u8fa8\u900f\u5c04\u7535\u955c\uff08HRTEM\uff09\u4ee5\u53ca\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a\u626b\u63cf\u900f\u5c04\u7535\u955c\uff08HAADF-STEM\uff09\u5171\u540c\u8bc1\u5b9e\u5f62\u6210\u4e86Mo<sub>2<\/sub>C\u548cMoC\u5f02\u8d28\u754c\u9762\u7ed3\u6784\uff1b<br \/>\n 4\uff09\u4f5c\u8005\u8fdb\u884c\u4e86\u5927\u91cf\u5bf9\u7167\u5b9e\u9a8c\uff0c\u53d1\u73b0Mo\uff1aC=4\uff1a3\u3001\u8461\u8404\u7cd6\uff1a\u5c3f\u7d20=4\uff1a3\u548c20\uff1a3\u4ee5\u53caCNT\u542b\u91cf\u4e3a61.8 wt%\u65f6\u6240\u5236\u5907\u7684Mo<sub>2<\/sub>C\/MoC\/CNT\u5177\u6709\u6700\u4f73\u7684HER\u6027\u80fd\uff0c\u83b7\u5f971500 mA cm<sup>\u22122<\/sup>\u6240\u9700\u7684\u8fc7\u7535\u4f4d\u4ec5\u4e3a255 mV\uff0c\u5e76\u4e14\u53ef\u4ee5\u7a33\u5b9a\u8fd0\u884c14\u5929\uff081000 mA cm<sup>\u22122<\/sup>\uff0c\u8fc7\u7535\u4f4d\u4ec5\u589e\u52a047 mV\uff09\uff0cDFT\u8ba1\u7b97\u8868\u660eMo<sub>2<\/sub>C\/MoC\/CNT\u7684\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u6765\u6e90\u4e8eMo<sub>2<\/sub>C\/MoC\u9002\u4e2d\u7684H\u5438\u9644\u81ea\u7531\u80fd\u4ee5\u53caMo<sub>2<\/sub>C\/MoC\u4e0eCNT\u4e4b\u95f4\u7684\u5f3a\u952e\u5408\u80fd\uff0c\u5e76\u4e14\u8be5\u539f\u4f4d\u7126\u8033\u81ea\u52a0\u70ed\u65b9\u6cd5\u662f\u901a\u7528\u7684\uff0c\u4e5f\u53ef\u4ee5\u7528\u6765\u5408\u6210\u5747\u5300\u5206\u6563\u7684\u5355\u76f8Nb<sub>4<\/sub>C<sub>3<\/sub>\u548cW<sub>2<\/sub>C\/WC\u590d\u5408\u7269\u3002<\/p>\n<p>\u3010\u56fe\u6587\u8be6\u60c5\u3011<\/p>\n<p>\u56fe1. \u8d85\u5feb\u81ea\u52a0\u70ed\u5408\u6210\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238581\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe1-1.jpg\" alt=\"\" width=\"376\" height=\"378\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe1-1.jpg 376w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe1-1-150x150.jpg 150w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe1-1-298x300.jpg 298w\" sizes=\"(max-width: 376px) 100vw, 376px\" \/><\/p>\n<p>\uff08a\uff09\u81ea\u70ed\u6cd5\u5408\u6210Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684\u793a\u610f\u56fe\uff1b\uff08b\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7528\u4f5cHER\u7535\u6781\uff1b\uff08c\uff09\u52a0\u70ed\uff08\u5de6\uff09\u548c\u51b7\u5374\u8fc7\u7a0b\uff08\u53f3\uff09\u7684\u6e29\u5ea6-\u65f6\u95f4\u53d8\u5316\u66f2\u7ebf\uff1b\uff08d\uff09CNT\u8584\u819c\u5728\u9ad8\u6e29\u4e0b\u7684\u5927\u5c3a\u5bf8\uff0880 mm\u00d740 mm\uff09\u548c\u5149\u5b66\u56fe\u7247\uff08\u63d2\u56fe\uff1a15 mm\u00d78 mm\uff09\uff1b\uff08e\uff09COMSOL\u591a\u7269\u7406\u573a\u8f6f\u4ef6\u6a21\u62df\u5927\u5c3a\u5bf8\u8584\u819c\u5728~1700 K\u65f6\u7684\u6e29\u5ea6\u5206\u5e03\uff08\u989c\u8272\u8f6e\u5ed3\uff09\uff0c\u6700\u4e0a\u5c42\u66f2\u7ebf\u8868\u793a\u6cbf\u4e2d\u5fc3\u7ebf\u7684\u6e29\u5ea6\u5206\u5e03\u3002<\/p>\n<p>\u56fe2. Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684\u7ed3\u6784\u8868\u5f81<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238582\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe2-1.jpg\" alt=\"\" width=\"653\" height=\"509\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe2-1.jpg 653w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe2-1-300x234.jpg 300w\" sizes=\"(max-width: 653px) 100vw, 653px\" \/><\/p>\n<p>\uff08a\uff09Mo<sub>2<\/sub>C\u7c89\u672b\uff0cMo<sub>2<\/sub>C\/MoC\/CNT\u3001MoC\/CNT\u548cCNT\u8584\u819c\u7684\u62c9\u66fc\u5149\u8c31\uff0c\u63d2\u56fe\u4e3aCNTs\u7684D\u548cG\u62c9\u66fc\u5cf0\uff1b\uff08b\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684XRD\u8c31\u56fe\uff1b\uff08c\uff09\u4e0d\u540c\u52a0\u70ed\u65f6\u95f4\uff08\u529f\u7387\u4e3a135 W\uff09\u5408\u6210\u7684Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684XRD\u8c31\u56fe\uff08\u5de6\uff09\u548c\u76f8\u5e94\u7684MoC\uff08111\uff09\u76f8\u5bf9Mo<sub>2<\/sub>C\uff08002\uff09\u884d\u5c04\u5cf0\u7684\u5f3a\u5ea6\u6bd4\uff08\u53f3\uff09\uff0c\u8bef\u5dee\u68d2\u4ee3\u8868\u6807\u51c6\u5dee\uff1b\uff08d\uff09MoC\u7c89\u672b\uff08\u4e0a\uff09\u3001Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\uff08\u4e2d\uff09\u3001Mo<sub>2<\/sub>C\u7c89\u672b\uff08\u4e0b\uff09\u7684Mo 3d XPS\u5149\u8c31\uff1b\uff08e\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819cC 1s\u7684XPS\u5149\u8c31\uff1b\uff08f\uff09\u7a7a\u6c14\u4e2dMo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684TG\u5206\u6790\u3002<\/p>\n<p>\u56fe3. Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684\u7535\u5b50\u663e\u5fae\u955c\u8868\u5f81\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238583\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe3-1.jpg\" alt=\"\" width=\"649\" height=\"405\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe3-1.jpg 649w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe3-1-300x187.jpg 300w\" sizes=\"(max-width: 649px) 100vw, 649px\" \/><\/p>\n<p>\uff08a\u3001b\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684SEM\u56fe\u50cf\uff1b\uff08c\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684TEM\u56fe\uff0c\u63d2\u56fe\u4e3aMo<sub>2<\/sub>C\/MoC\u7684\u7c92\u5f84\u5206\u5e03\u76f4\u65b9\u56fe\uff1b\uff08d\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u4e2dMo<sub>2<\/sub>C\uff08100\uff09\u4e0eMoC\uff08111\uff09\u754c\u9762\u7684HRTEM\u56fe\u50cf\uff1b\uff08e\uff09Mo<sub>2<\/sub>C\/MoC\u7684HAADF-STEM\u56fe\u50cf\uff0c\u63d2\u56fe\u662fMoC\u548cMo<sub>2<\/sub>C\u7269\u76f8\u7684HAADF-STEM\u56fe\u50cf\u4ee5\u53caFT\u56fe\u6848\uff0c\u7eff\u70b9\u4ee3\u8868Mo\u539f\u5b50\uff0c\u84dd\u70b9\u4ee3\u8868C\u539f\u5b50\uff1b\uff08f\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7684SAED\u56fe\uff1b\uff08g\uff09EDS mapping\u5c55\u793a\u4e86Mo\u548cC\u5143\u7d20\u7684\u5206\u5e03\u3002<\/p>\n<p>\u56fe4. Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c\u7535\u50ac\u5316HER\u6027\u80fd\u7814\u7a76\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238584\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe4.jpg\" alt=\"\" width=\"648\" height=\"473\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe4.jpg 648w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe4-300x219.jpg 300w\" sizes=\"(max-width: 648px) 100vw, 648px\" \/><\/p>\n<p>\uff08a\uff09\u57281 M KOH\u7535\u89e3\u8d28\u4e2dMo<sub>2<\/sub>C\/MoC\/CNT\u3001Mo<sub>2<\/sub>C\/CNT\u3001MoC\/CNT\u3001\u7eafCNT\u8584\u819c\u548cPt\/C \uff08\u542b20% wt% Pt\uff09\u7684\u6781\u5316\u66f2\u7ebf\uff1b\uff08b\uff09\u4fdd\u6301\u6d3b\u6027\u7684HER\u50ac\u5316\u5242\u57281000 mA cm<sup>\u22122<\/sup>\u9ad8\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u8fc7\u7535\u4f4d\u4e0e\u751f\u4ea7\u7387\uff08\u4e00\u5929\u5185\u7684\u5408\u6210\u6b21\u6570\uff09\u7684\u5bf9\u6bd4\uff1b\uff08c\uff09\u4ec5\u4ee5CNT\u4f5c\u4e3a\u78b3\u6e90\u7684\u81ea\u52a0\u70ed\u6837\u54c1\u7684XRD\u8c31\u56fe\uff1b\uff08d\uff09Mo<sub>2<\/sub>C\/MoC\/CNT\u8584\u819c10000 CV\u5faa\u73af\u524d\u540e\u7684\u6781\u5316\u66f2\u7ebf\uff1b\uff08e\uff09\u5728500\u62161000mA cm<sup>\u22122<\/sup>\u7535\u6d41\u5bc6\u5ea6\uff08\u65e0IR\u8865\u507f\uff09\u4e0b\u7684\u81ea\u52a0\u70ed\u548c\u7194\u7089\u52a0\u70ed\u5236\u5907\u7684\u6837\u54c1\u7684\u957f\u671f\u6d4b\u8bd5\uff08\u5de6\uff09\uff0c\u81ea\u52a0\u70ed\u548c\u7194\u7089\u52a0\u70ed\u6837\u54c1\u572850 mL\u4e59\u9187\u4e2d\u8d85\u58f0\u5904\u74065\u5206\u949f\u540e\u7684\u8d28\u91cf\u635f\u5931\uff08\u53f3\uff09\uff0c\u8bef\u5dee\u68d2\u4ee3\u8868\u6807\u51c6\u504f\u5dee\uff1b\uff08f1\uff09\u81ea\u52a0\u70ed\u548c\u7194\u7089\u52a0\u70ed\u6837\u54c1\u5206\u522b\u5728500\u30011000\u548c1500 mA cm<sup>\u22122<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u8fc7\u7535\u4f4d\uff081 M KOH\uff09\uff1b\uff08f2\uff09\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u8303\u56f4\u5185\uff0c\u81ea\u52a0\u70ed\u548c\u7194\u7089\u52a0\u70ed\u6837\u54c1\u7684\u0394\u03b7\/\u0394log|j|\u7684\u6bd4\u503c\uff1b\uff08f3\uff09\u81ea\u52a0\u70ed\uff0c\u7194\u7089\u52a0\u70ed\u6837\u54c1\u548c\u7eafCNT\u8584\u819c\u7684\u673a\u68b0\u62c9\u4f38\u66f2\u7ebf\uff1b\uff08g\uff09\u4e0d\u540cHER\u50ac\u5316\u5242\u5728\u5927\/\u5c0f\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u957f\u671f\u7a33\u5b9a\u6027\u5bf9\u6bd4\u3002<\/p>\n<p>\u56fe5. DFT\u8ba1\u7b97\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238585\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe5.jpg\" alt=\"\" width=\"649\" height=\"398\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe5.jpg 649w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2022\/06\/\u56fe5-300x184.jpg 300w\" sizes=\"(max-width: 649px) 100vw, 649px\" \/><\/p>\n<p>\uff08a\uff09Mo<sub>2<\/sub>C\uff08100\uff09\u3001MoC\uff08111\uff09\u8868\u9762\u4ee5\u53caMo<sub>2<\/sub>C\uff08100\uff09\/MoC\uff08111\uff09\u5f02\u8d28\u7ed3\u6784\u4e0a\u7684H\u5438\u9644\u6a21\u578b\uff0c\u5176\u4e2d\u4ee5\u9ec4\u8272\u865a\u7ebf\u5708\u4ee3\u8868\u6c22\u7684\u5438\u9644\u4f4d\u70b9\uff0c\u9752\u8272\u3001\u68d5\u8272\u3001\u7ea2\u8272\u548c\u767d\u8272\u7403\u4f53\u5206\u522b\u8868\u793aMo\u3001C\u3001O\u548cH\u539f\u5b50\uff08B\uff1a\u6865\u63a5\u4f4d\u70b9\uff0cT\uff1b\u9876\u90e8\u4f4d\u70b9\uff1bH\uff1a\u7a7a\u5fc3\u4f4d\u70b9\uff09\uff1b\uff08b\uff09\u5728Mo<sub>2<\/sub>C\uff08100\uff09\u3001MoC\uff08111\uff09\u548cMo<sub>2<\/sub>C\uff08100\uff09\/MoC\uff08111\uff09\u5f02\u8d28\u7ed3\u6784\u4e0a\u4e0d\u540c\u5438\u9644\u4f4d\u70b9\u7684HER\u81ea\u7531\u80fd\u56fe\uff1b\uff08c\uff09\u77f3\u58a8\u70ef\/Mo<sub>2<\/sub>C\uff08001\uff09\u4e0e\u77f3\u58a8\u70ef\/MoC\uff08111\uff09\u5f02\u8d28\u7ed3\u6784\u7684\u7535\u8377\u5bc6\u5ea6\u5dee\uff0c\u9752\u8272\u548c\u9ec4\u8272\u533a\u57df\u5206\u522b\u4ee3\u8868\u7535\u8377\u8017\u5c3d\u548c\u805a\u96c6\uff0c\u7b49\u503c\u9762\u4e3a0.005 e\/Bohr3\u3002<\/p>\n<p>\u3010\u7ed3\u8bba\u3011<br \/>\n \u603b\u4e4b\uff0c\u7814\u7a76\u4eba\u5458\u5f00\u53d1\u4e86\u4e00\u79cd\u8d85\u5feb\u7684\u7126\u8033\u81ea\u52a0\u70ed\u65b9\u6cd5\u7528\u6765\u539f\u4f4d\u5408\u6210\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684Mo<sub>2<\/sub>C\/MoC\/CNT HER\u7535\u50ac\u5316\u5242\uff0c\u5728Mo\u548cC\u524d\u9a71\u4f53\u7684\u5b58\u5728\u4e0b\uff0c\u53ea\u9700\u52a0\u70ed250 ms\u5373\u53ef\u83b7\u5f97\u6700\u7ec8\u7684\u7535\u50ac\u5316\u5242\uff0c\u751f\u4ea7\u6548\u7387\u9ad8\u8fbe2000\u6b21\/\u6bcf\u5929\uff0c\u8fdc\u9ad8\u4e8e\u4f20\u7edf\u7684\u7194\u7089\u52a0\u70ed\u548c\u6c34\u70ed\u5408\u6210\u3002\u4e0d\u4ec5\u5982\u6b64\uff0c\u6240\u5236\u5907\u7684Mo<sub>2<\/sub>C\/MoC\/CNT\u53ef\u4ee5\u5b9e\u73b01500 mA cm<sup>\u22122<\/sup>@255 mV\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u7ed3\u5408\u5b9e\u9a8c\u548cDFT\u8ba1\u7b97\u7ed3\u679c\uff0c\u7814\u7a76\u4eba\u5458\u5f97\u51faMo<sub>2<\/sub>C\/MoC\/CNT\u5177\u5907\u9ad8\u6d3b\u6027\u548c\u7a33\u5b9a\u6027\u7684\u673a\u7406\uff1a1\uff09\u8d85\u5feb\u7684\u52a0\u70ed\u548c\u51b7\u5374\u8fc7\u7a0b\u4fc3\u8fdbMo<sub>2<\/sub>C\/MoC\u7eb3\u7c73\u9897\u7c92\u7684\u751f\u6210\u548c\u5747\u5300\u5206\u6563\u5e76\u5f62\u6210\u4e30\u5bcc\u7684\u5f02\u8d28\u754c\u9762\uff1b2\uff09Mo<sub>2<\/sub>C\/MoC\u5f02\u8d28\u754c\u9762\u7684\u7535\u8377\u8f6c\u79fb\u63d0\u4f9b\u4e86\u9002\u4e2d\u7684H\u5438\u9644\u81ea\u7531\u80fd\uff1b3\uff09\u77ac\u65f6\u7684\u9ad8\u6e29\u9020\u5c31\u4e86Mo<sub>2<\/sub>C\/MoC\u4e0eCNT\u8584\u819c\u4e4b\u95f4\u7684\u5f3a\u5316\u5b66\u952e\u5408\uff0c\u4fdd\u8bc1\u5728\u5927\u7535\u6d41\u5bc6\u5ea6\u4e0b\u4e0d\u53d1\u751f\u5265\u79bb\u3002<\/p>\n<p>\u6587\u732e\u4fe1\u606f<br \/>\n Chenyu Li, Zhijie Wang, Mingda Liu, Enze Wang, Bolun Wang, Longlong Xu, Kaili Jiang, Shoushan Fan, Yinghui Sun*, Jia Li* &amp; Kai Liu*, Ultrafast self-heating synthesis of robust heterogeneous nanocarbides for high current density hydrogen evolution reaction, Nature communications, 2022, 13:3338.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e00\u4f5c\u8005\uff1aChenyu Li \u901a\u8baf\u4f5c\u8005\uff1aYinghui Sun, Jia Li\uff0c\u5218\u6977 \u901a\u8baf\u5355\u4f4d\uff1a\u5317\u4eac\u79d1\u6280\u5927\u5b66\uff0c\u6df1\u5733\u5e02\u76d6\u59c6\u77f3\u58a8\u70ef\u4e2d\u5fc3\uff0c\u6e05\u534e\u5927\u5b66 \u3010\u6587\u7ae0\u7b80\u4ecb\u3011 \u8bbe\u8ba1&#8230;<\/p>\n","protected":false},"author":36637,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[67],"tags":[],"class_list":["post-238579","post","type-post","status-publish","format-standard","hentry","category-zhoubao"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/238579"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/36637"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=238579"}],"version-history":[{"count":4,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/238579\/revisions"}],"predecessor-version":[{"id":238706,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/238579\/revisions\/238706"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=238579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=238579"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=238579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}