{"id":90583,"date":"2017-07-12T06:30:25","date_gmt":"2017-07-11T22:30:25","guid":{"rendered":"\/\/m.iemloyee.com\/?p=90583"},"modified":"2017-07-12T10:31:39","modified_gmt":"2017-07-12T02:31:39","slug":"%e6%b8%85%e5%8d%8e%e6%b7%b1%e7%a0%94%e9%99%a2energy-environ-sci-%ef%bc%9a%e8%b6%85%e9%95%bf%e5%af%bf%e5%91%bdli-s%e7%94%b5%e6%b1%a0-%e5%ad%aa%e7%94%9ftio2-tin%e5%bc%82%e8%b4%a8%e7%bb%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=90583","title":{"rendered":"\u6e05\u534e\u6df1\u7814\u9662Energy\u00a0Environ. Sci.\uff1a\u8d85\u957f\u5bff\u547dLi-S\u7535\u6c60\u2014\u5b6a\u751fTiO2-TiN\u5f02\u8d28\u7ed3\u6784\u5b9e\u73b0\u805a\u786b\u5316\u7269\u5e73\u6ed1\u5730\u6355\u83b7-\u6269\u6563-\u8f6c\u5316"},"content":{"rendered":"

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

\u9502-\u786b\uff08Li-S\uff09\u7535\u6c60\u5177\u6709\u8f83\u9ad8\u7684\u80fd\u91cf\u5bc6\u5ea6\uff082600 Wh kg-1<\/sup>\uff09\uff0c\u6210\u672c\u6bd4\u9502\u79bb\u5b50\u7535\u6c60\u4f4e\uff0c\u662f\u6781\u5177\u524d\u666f\u7684\u4e0b\u4e00\u4ee3\u50a8\u80fd\u88c5\u7f6e\u3002\u4f46\u662f\u8f83\u4f4e\u7684\u786b\u5229\u7528\u7387\u548c\u8f83\u5dee\u7684\u5faa\u73af\u5bff\u547d\u5f71\u54cd\u4e86\u5176\u5b9e\u9645\u5e94\u7528\uff0c\u8fd9\u4e3b\u8981\u662f\u56e0\u4e3a\u786b\u7684\u7535\u5b50\u4f20\u5bfc\u7387\u4f4e\uff0c\u7535\u5316\u5b66\u53cd\u5e94\u4e2d\u5f62\u6210\u7684\u53ef\u6eb6\u6027\u9502\u805a\u786b\u5316\u7269\uff08LiPSs\uff09\u7a7f\u68ad\u6548\u5e94\u4e25\u91cd\u3002\u4ee5\u524d\u7684\u7814\u7a76\u4e3b\u8981\u96c6\u4e2d\u5728\u9650\u5236LiPS\u7a7f\u68ad\uff0c\u5e76\u901a\u8fc7\u7ed3\u5408\u78b3\u3001\u5bfc\u7535\u805a\u5408\u7269\u548c\u975e\u78b3\u5316\u5b66\u7269\u8d28\u5438\u6536\u786b\u6765\u63d0\u9ad8\u7535\u6781\u7684\u5bfc\u7535\u6027\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u975e\u6d3b\u6027\u7ec4\u5206\u5360\u636e\u7740\u5f88\u5927\u7684\u7a7a\u95f4\uff0c\u964d\u4f4e\u4e86\u7535\u6781\u548c\u7535\u6c60\u7684\u80fd\u91cf\u5bc6\u5ea6\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5f00\u53d1\u4e00\u79cd\u66f4\u6709\u6548\u7684\u65b9\u5f0f\u6765\u6291\u5236LiPS\u7a7f\u68ad\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6e05\u534e\u6df1\u7814\u9662\u7684\u6768\u5168\u7ea2\u6559\u6388\u3001\u5415\u4f1f\u526f\u7814\u7a76\u5458(\u5171\u540c\u901a\u8baf\u4f5c\u8005)\u3001\u5468\u5929\u7ea2\uff08\u7b2c\u4e00\u4f5c\u8005\uff09<\/strong>\u7b49\u4eba\u5728Energy\u00a0Environ. Sci.<\/strong>\u4e0a\u53d1\u8868\u4e86\u4e00\u7bc7\u540d\u4e3a\u201cTwinborn TiO2-TiN heterostructures enabling smooth trapping-diffusion-conversion of polysulfides towards ultralong life lithium-sulfur batteries\u201d<\/strong>\u7684\u6587\u7ae0\u3002\u7814\u7a76\u4eba\u5458\u6307\u51fa\uff0c\u5b6a\u751fTiO2<\/sub>-TiN\u5f02\u8d28\u7ed3\u6784\u7ed3\u5408\u4e86TiO2<\/sub>\u9ad8\u5438\u9644\u548cTiN\u5bfc\u7535\u7684\u4f18\u70b9\uff0c\u5176\u4e2dLiPS\u88abTiO2<\/sub>\u6355\u83b7\uff0c\u7136\u540e\u901a\u8fc7\u5149\u6ed1\u7684TiO2<\/sub>\/TiN\u754c\u9762\u5e73\u6ed1\u5730\u6269\u6563\u5230TiN\uff0c\u4fc3\u8fdbLiPS\u6210\u6838\u5e76\u5feb\u901f\u8f6c\u5316\u6210\u4e0d\u6eb6\u6027\u4ea7\u7269\uff0c\u5373\u4f7f\u5728\u9ad8\u786b\u8d1f\u8f7d\u4e0b\u4e5f\u80fd\u6781\u5927\u5730\u6291\u5236LiPS\u7a7f\u68ad\u3002\u7535\u6c60\u57280.3C\u7684\u4f4e\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7ecf\u8fc7300\u6b21\u5faa\u73af\u540e\u4ecd\u4fdd\u7559927mAh g -1<\/sup>\u7684\u5bb9\u91cf\u3002\u5bf9\u4e8e3.1\u548c4.3mg cm-2<\/sup>\u7684\u786b\u8d1f\u8f7d\uff0c\u57281C\u7684\u4f4e\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5faa\u73af\u8d85\u8fc72000\u6b21\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u5206\u522b\u4e3a73\uff05\u548c67\uff05\u3002\u56e0\u4e3a\u5236\u5907\u5de5\u827a\u7b80\u5355\uff0c\u6240\u5f97\u7535\u6c60\u5177\u6709\u4f18\u5f02\u7684\u5bb9\u91cf\u548c\u5faa\u73af\u6027\u80fd\uff0c\u9884\u671f\u53ef\u4ee5\u4fc3\u8fdbLi-S\u7535\u6c60\u7684\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n

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

\u56fe1 TiO2-TiN\u5f02\u8d28\u7ed3\u6784\u7684\u8bbe\u8ba1\u539f\u7406\u548c\u8868\u5f81\u539f\u7406\u56fe<\/b><\/strong>
\n <\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

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\uff08d-f\uff09\u9ad8\u5206\u8fa8\u7387TEM\u56fe\u50cf<\/p>\n

\uff08g\uff09\u5236\u5907\u7684TiN\u3001\u91d1\u7ea2\u77f3TiO2<\/sub>\u548cTiO2<\/sub>-TiN\u7ed3\u6784\u7684XRD\u56fe<\/p>\n

\u56fe<\/b><\/strong>2 LiPSs\u5728TiO2\u3001TiN\u548cTiO<\/b><\/strong>2<\/b><\/sub><\/strong>-TiN\u5f02\u8d28\u7ed3\u6784\u4e0a\u7684\u6355\u83b7-\u6269\u6563-\u8f6c\u5316\u7684\u8ba1\u7b97\u4e0e\u5b9e\u9a8c\u6f14\u793a<\/b><\/strong>
\n <\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

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\uff08b\uff09\u5728TiN\uff08200\uff09\u6676\u9762\u4f18\u5316Li2<\/sub>S4<\/sub>\u7684\u51e0\u4f55\u6784\u578b<\/p>\n

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\uff08d-g\uff092.05 V\u4e0bLi2<\/sub>S8<\/sub>\/\u56db\u4e59\u4e8c\u9187\u4e8c\u7532\u919a\u6eb6\u6db2\u5728\u4e0d\u540c\u6676\u9762\u7684\u6052\u7535\u538b\u653e\u7535\u66f2\u7ebf\u3002\u84dd\u8272\/\u7ea2\u8272\u8868\u793aLi2<\/sub>S8<\/sub>\/Li2<\/sub>S6<\/sub>\u7684\u8fd8\u539f\uff0c\u5176\u4ed6\u56db\u79cd\u989c\u8272\u4ee3\u8868Li2<\/sub>S\u7684\u6c89\u6dc0\u3002\u663e\u793a\u4e86Li2<\/sub>S\u6c89\u79ef\u7684\u80fd\u529b\u3002<\/p>\n

\u56fe3 LiPSs\u4e0eTiO<\/b><\/strong>2<\/b><\/sub><\/strong>-TiN\u7684\u76f8\u4e92\u4f5c\u7528<\/b><\/strong>
\n <\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

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\uff08b\uff09\u5178\u578b\u6b63\u89c6\u56fe\u7684SEM\u56fe\u50cf<\/p>\n

\uff08c\uff097TiN\uff1a3TiO2<\/sub>-G\u6d82\u5c42\u7684\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff0c\u63d2\u56fe\u662f\u5143\u7d20\u5206\u5e03\u56fe<\/p>\n

\uff08d\uff09\u5faa\u73af\u4e4b\u524d\u548c1.7V\u653e\u7535\u9502\u5316\u540e\uff08\u7b2c500\u6b21\u5faa\u73af\uff09\u7684TiN-G\u6d82\u5c42\u7684N 1s XPS\u5149\u8c31<\/p>\n

\uff08e\uff09\u5faa\u73af\u4e4b\u524d\u548c1.7V\u653e\u7535\u9502\u5316\u540e\uff08\u7b2c500\u6b21\u5faa\u73af\uff09\u7684TiN-G\u6d82\u5c42\u7684Ti 2p XPS\u5149\u8c31<\/p>\n

\uff08f\uff09\u9502\u5316\u524d\u540e7TiN\uff1a3TiO2<\/sub>-G\u6d82\u5c42\u7684Ti 2p XPS\u5149\u8c31<\/p>\n

\u56fe4 \u9694\u819c\u4e0a\u5177\u6709\u4e0d\u540c\u6d82\u5c42\u7684Li-S\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/b><\/strong><\/p>\n

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\uff08b\uff09\u5177\u67097TiN\uff1a3TiO2<\/sub>-G\u6d82\u5c42\u7684\u7535\u6c60\u57281.7-2.8V vs. Li+<\/sup>\/Li\u7684\u7535\u5316\u5b66\u7a97\u5185\uff0c\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5145\u7535\/\u653e\u7535\u66f2\u7ebf<\/p>\n

\uff08c\uff09\u57280.3C\u4e0b\u5faa\u73af\u7a33\u5b9a300\u4e2a\u5faa\u73af\u3002<\/p>\n

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\u56fe5 Li-S\u7535\u6c60\u4e0e\u9694\u819c\u4e0a\u6d82\u5c42\u7684\u5faa\u73af\u7a33\u5b9a\u6027<\/b><\/strong>
\n <\/b><\/strong><\/p>\n

\"\"<\/b><\/strong><\/p>\n

\u56db\u79cd\u6df7\u5408\u6d82\u5c42TiO2<\/sub>-G\u30012TiN\uff1a8TiO2<\/sub>-G\u30017TiN\uff1a3TiO2<\/sub>-G\u3001TiN-G\u7684\u7535\u6c60\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf<\/p>\n

\uff08a\uff091.7~2.8V\u7684\u7535\u538b\u8303\u56f4\u5185<\/p>\n

\uff08b\uff09\u9634\u6781\u5cf0\u503c\u8303\u56f4\u4e3a1.9-2.1V\u7684\u653e\u5927\u56fe<\/p>\n

\uff08c\uff09\u5177\u6709\u8d85\u957f\u5faa\u73af\u6027\u80fd\u7684\u6700\u4f73\u7535\u6c60\uff081C\uff0c\u7ecf\u8fc7\u7ea62000\u6b21\u5faa\u73af\uff0c\u786b\u8d1f\u8f7d\u91cf\u5206\u522b\u4e3a1.2\u30013.1\u548c4.3mg cm-2<\/sup>\u76847TiN\uff1a3TiO2<\/sub>-G\u6d82\u5c42\uff09<\/p>\n

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

\u7814\u7a76\u4eba\u5458\u5c06\u5b6a\u751fTiO2<\/sub>-TiN\u5f02\u8d28\u7ed3\u6784\u8bbe\u8ba1\u6210\u4e00\u4e2a\u7d27\u51d1\u800c\u8584\u7684\u5939\u5c42\uff0c\u9644\u7740\u5728\u9694\u819c\u4e0a\uff0c\u5b9e\u73b0LiPSs\u7684\u5e73\u6ed1\u6355\u83b7-\u6269\u6563-\u8f6c\u6362\uff0c\u4f7f\u5f97Li-S\u7535\u6c60\u62e5\u6709\u8d85\u957f\u5bff\u547d\u3002\u5b9e\u9a8c\u8bc1\u660e\u8fd9\u79cdLi-S\u7535\u6c60\u5177\u6709\u9ad8\u6bd4\u5bb9\u91cf\u3001\u9ad8\u500d\u7387\u7279\u6027\u548c\u8d85\u957f\u5faa\u73af\u6027\u80fd\u3002\u72ec\u7279\u7684\u5f02\u8d28\u7ed3\u6784\u8bbe\u8ba1\u548c\u7b80\u5355\u7684\u5236\u5907\u6280\u672f\u6709\u671b\u63a8\u52a8Li-S\u7535\u6c60\u7684\u5b9e\u9645\u5e94\u7528\u3002\u8003\u8651\u5230\u8d85\u957f\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u8fd9\u79cdLi-S\u7535\u6c60\u5728\u7535\u52a8\u8f66\u8f86\u3001\u4fbf\u643a\u5f0f\u7535\u5b50\u8bbe\u5907\u548c\u690d\u5165\u5f0f\u4f20\u611f\u5668\u548c\u533b\u7597\u8bbe\u5907\u4e2d\u5c55\u73b0\u51fa\u5de8\u5927\u7684\u5e94\u7528\u6f5c\u529b\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/b><\/strong>Twinborn TiO2<\/u>–<\/u>TiN heterostructures enabling smooth trapping<\/u>–<\/u>diffusion<\/u>–<\/u>conversion of polysulfides towards ultralong life lithium<\/u>–<\/u>sulfur batteries<\/u>\u00a0<\/b><\/u><\/strong><\/a>(Energy\u00a0Environ. Sci.,2017,DIO:10.1039\/C7EE01430A)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4deer\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\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

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