{"id":261538,"date":"2024-07-19T08:17:08","date_gmt":"2024-07-19T00:17:08","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=261538"},"modified":"2024-07-19T08:17:08","modified_gmt":"2024-07-19T00:17:08","slug":"%e5%a4%a9%e6%b4%a5%e5%a4%a7%e5%ad%a6%e5%b7%a9%e9%87%91%e9%be%99science%e9%ab%98%e6%95%88%e7%9a%84%e4%b8%99%e7%83%b7%e8%84%b1%e6%b0%a2%e5%82%ac%e5%8c%96%e5%89%82","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=261538","title":{"rendered":"\u5929\u6d25\u5927\u5b66\u5de9\u91d1\u9f99Science:\u9ad8\u6548\u7684\u4e19\u70f7\u8131\u6c22\u50ac\u5316\u5242"},"content":{"rendered":"

\u4e00\u3001\u3010\u79d1\u5b66\u80cc\u666f\u3011<\/strong><\/p>\n

\u4e19\u70ef\u662f\u91cd\u8981\u7684\u5316\u5de5\u539f\u6599\uff0c\u5e7f\u6cdb\u7528\u4e8e\u5851\u6599\u3001\u5408\u6210\u7ea4\u7ef4\u548c\u5176\u4ed6\u5316\u5b66\u54c1\u7684\u751f\u4ea7\u3002\u4f20\u7edf\u7684\u4e19\u70ef\u751f\u4ea7\u65b9\u6cd5\uff0c\u5b58\u5728\u8d44\u6e90\u6d88\u8017\u5927\u548c\u73af\u5883\u5f71\u54cd\u7b49\u95ee\u9898\u3002\u4e19\u70f7\u8131\u6c22\uff08PDH\uff09\u4f5c\u4e3a\u751f\u4ea7\u4e19\u70ef\u7684\u91cd\u8981\u66ff\u4ee3\u65b9\u6cd5\uff0c\u5f53\u524d\u4e3b\u8981\u7684\u5546\u4e1a\u50ac\u5316\u7cfb\u7edf\u662f\u4ee5\u8d35\u91d1\u5c5e\uff08Pt\uff09\u548c\u94ec\u6c27\u5316\u7269\uff08CrOx<\/sub>\uff09\u4e3a\u57fa\u7840\u7684\u5f02\u76f8\u6c27\u5316\u7269\u50ac\u5316\u5242\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u50ac\u5316\u5242\u5b58\u5728\u4e00\u4e9b\u7f3a\u70b9\uff0c\u4f9d\u8d56\u4e8e\u6602\u8d35\u7684\u8d35\u91d1\u5c5e\u4ee5\u53ca\u7531\u4e8e\u78b3\u6c89\u79ef\u5bfc\u81f4\u7684\u6bd2\u6027\u548c\u4e25\u91cd\u5931\u6d3b\u3002\u8fd9\u4e9b\u5c40\u9650\u6027\u4fc3\u4f7f\u7814\u7a76\u4eba\u5458\u5bfb\u627e\u66f4\u5177\u6210\u672c\u6548\u76ca\u548c\u73af\u5883\u53cb\u597d\u7684\u6c27\u5316\u7269\u50ac\u5316\u5242\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u9ad8\u6548\u3001\u9009\u62e9\u6027\u5f3a\u4e14\u7a33\u5b9a\u7684\u50ac\u5316\u5242\u7528\u4e8ePDH\u53cd\u5e94\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n

\"\"<\/p>\n

\u4e8c\u3001\u3010\u521b\u65b0\u6210\u679c\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u5de9\u91d1\u9f99\u6559\u6388\u63d0\u51fa\u4e86\u4e00\u79cd\u65b0\u578b\u7684Ni@TiOx<\/sub><\/strong>\u50ac\u5316\u5242\uff0c\u8be5\u50ac\u5316\u5242\u7ed3\u5408\u4e86\u5730\u7403\u4e30\u5bcc\u7684\u954d\uff08Ni\uff09\u548c\u949b\u6c27\u5316\u7269\uff08TiO\u2082<\/sub>\uff09\uff0c\u5728\u9ad8\u6e29\u4e0b\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u50ac\u5316\u6027\u80fd\u3002\u8be5\u50ac\u5316\u5242\u5728\u4e19\u70f7\u8131\u6c22\u53cd\u5e94\u4e2d\u5b9e\u73b0\u4e8694%<\/strong>\u7684\u4e19\u70ef\u9009\u62e9\u6027\uff0c\u5e76\u5728\u5de5\u4e1a\u6761\u4ef6\u4e0b\u4fdd\u6301\u4e86\u826f\u597d\u7684\u7a33\u5b9a\u6027\u3002\u7814\u7a76\u8fd8\u63a2\u8ba8\u4e86\u7f3a\u9677\u949b\u6c27\u5316\u7269\uff08TiOx<\/sub>\uff09\u8868\u5c42\u7684\u72ec\u7279\u6027\u8d28\u5982\u4f55\u589e\u5f3a\u50ac\u5316\u6d3b\u6027<\/strong>\uff0c\u63d0\u4f9b\u4e86\u5bf9\u50ac\u5316\u673a\u5236\u7684\u6df1\u5165\u7406\u89e3\u3002\u8be5\u9879\u5de5\u4f5c\u5728Science<\/strong>\u4e0a\u53d1\u8868\uff0c\u9898\u4e3a\u201cDefective TiOx<\/sub> overlayers catalyze propane dehydrogenation promoted by base metals<\/strong>\u201d\u3002<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1 Ni<\/strong>\u7eb3\u7c73\u7c92\u5b50\u4e0a\u5f62\u6210<\/strong>TiOx<\/sub><\/strong>\u5c42\u7684\u8bc1\u636e<\/strong>@2024 AAAS<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2 Ni\/Al2<\/sub>O3<\/sub><\/strong>\u3001<\/strong>TiOx<\/sub>\/Al2<\/sub>O3<\/sub><\/strong>\u548c<\/strong>Ni@TiOx<\/sub>\/Al2<\/sub>O3<\/sub><\/strong>\u50ac\u5316\u5242\u7684<\/strong>PDH<\/strong>\u50ac\u5316\u6027\u80fd<\/strong>@2024 AAAS<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3 <\/strong>\u754c\u9762\u5904\u6709\u6c27\u7a7a\u4f4d\uff08<\/strong>Ov<\/sub><\/strong>\uff09\u7684\u914d\u4f4d\u4e0d\u9971\u548c<\/strong>Ti4C<\/sub><\/strong>\u4f4d\u70b9\u7684\u8868\u5f81<\/strong>@2024 AAAS<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4 <\/strong>\u52a8\u529b\u5b66\u76f8\u5173\u6027\u548c<\/strong>DFT<\/strong>\u8ba1\u7b97<\/strong>@2024 AAAS<\/strong><\/p>\n

\u4e09\u3001\u3010\u79d1\u5b66\u542f\u8fea\u3011<\/strong><\/p>\n

\u8be5\u6210\u679c\u5f00\u53d1\u51fa\u4e00\u79cd\u65b0\u578b\u7684Ni@TiOx<\/sub><\/strong>\u50ac\u5316\u5242\uff0c\u7528\u4e8ePDH\u53cd\u5e94\uff0c\u8868\u73b0\u51fa\u9ad8\u8fbe94%<\/strong>\u7684\u4e19\u70ef\u9009\u62e9\u6027\u548c\u4f18\u5f02\u7684\u7a33\u5b9a\u6027\u3002\u8fd9\u79cd\u50ac\u5316\u5242\u514b\u670d\u4e86\u4f20\u7edf\u50ac\u5316\u5242\u5728\u6210\u672c\u548c\u73af\u5883\u53cb\u597d\u6027\u65b9\u9762\u7684\u4e0d\u8db3\u3002\u8fd9\u9879\u7814\u7a76\u63d0\u4f9b\u4e86\u5bf9\u91d1\u5c5e\u4e0e\u91d1\u5c5e\u6c27\u5316\u7269\u76f8\u4e92\u4f5c\u7528\u7684\u6df1\u5165\u7406\u89e3\uff0c\u63ed\u793a\u4e86\u7f3a\u9677<\/strong>TiOx<\/sub><\/strong>\u8868\u5c42\u7684\u50ac\u5316\u6d3b\u6027\u53ca\u5176\u5728<\/strong>C-H<\/strong>\u952e\u6d3b\u5316\u4e2d\u7684\u4f5c\u7528<\/strong>\u3002\u7814\u7a76\u8868\u660e\uff0c\u91d1\u5c5e\u7684\u7535\u5b50\u6548\u5e94\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u50ac\u5316\u6027\u80fd<\/strong>\uff0c\u8fd9\u4e3a\u8bbe\u8ba1\u66f4\u5177\u6210\u672c\u6548\u76ca\u548c\u73af\u5883\u53cb\u597d\u7684\u50ac\u5316\u5242\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\u548c\u65b9\u5411\uff0c\u63a8\u52a8\u4e86\u53ef\u6301\u7eed\u5316\u5b66\u8fc7\u7a0b\u7684\u7814\u7a76\u3002<\/p>\n

\u539f\u6587\u8be6\u60c5\uff1aSai Chen et al., Defective TiOx<\/sub><\/em> overlayers catalyze propane dehydrogenation promoted by base metals. Science <\/em>385<\/strong>, 295-300(2024).<\/p>\n

\u00a0<\/div>\n

https:\/\/www.science.org\/doi\/10.1126\/science.adp7379<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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