{"id":114263,"date":"2017-12-02T14:00:26","date_gmt":"2017-12-02T06:00:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=114263"},"modified":"2017-11-29T15:38:51","modified_gmt":"2017-11-29T07:38:51","slug":"%e5%8c%97%e5%a4%a7adv-funct-mater-%ef%bc%9a%e9%94%82%e7%a6%bb%e5%ad%90%e7%94%b5%e6%b1%a0%e9%98%b4%e7%a6%bb%e5%ad%90%e6%b0%a7%e5%8c%96%e8%bf%98%e5%8e%9f%e8%bf%87%e7%a8%8b%e4%b8%ad%e7%94%b5%e8%8d%b7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=114263","title":{"rendered":"\u5317\u5927Adv. Funct. Mater.\uff1a\u9502\u79bb\u5b50\u7535\u6c60\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u8fc7\u7a0b\u4e2d\u7535\u8377\u8f6c\u79fb\u7684\u70ed\u529b\u5b66\u6d3b\u5316"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u5177\u6709\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7684\u53ef\u5145\u7535\u9502\u79bb\u5b50\u7535\u6c60\u5bf9\u4e8e\u4fbf\u643a\u5f0f\u7535\u5b50\u4ea7\u54c1\u548c\u7535\u52a8\u8f66\u8f86\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002\u8bf8\u5982LiCoO2<\/sub>\uff0cLiFePO4<\/sub>\u548cLiMn2<\/sub>O4<\/sub>\u7b49\u4f20\u7edf\u6b63\u6781\u6750\u6599\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u5c40\u9650\u4e8e\u8fc7\u6e21\u91d1\u5c5e\u9633\u79bb\u5b50\uff0c\u5bfc\u81f4\u5176\u53ef\u9006\u6bd4\u5bb9\u91cf\u6709\u9650\uff0c\u4e0d\u80fd\u6ee1\u8db3\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7535\u6c60\u7684\u9700\u6c42\u3002\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u8fc7\u7a0b\u63d0\u4f9b\u4e86\u591a\u7535\u5b50\u53cd\u5e94\u8fc7\u7a0b\uff0c\u5bf9\u4e8e\u5b9e\u73b0\u9502\u79bb\u5b50\u7535\u6c60\u5bcc\u9502\u7535\u6781\u7684\u9ad8\u5bb9\u91cf\u81f3\u5173\u91cd\u8981\u3002 \u7136\u800c\u76ee\u524d\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u8fc7\u7a0b\u7684\u6fc0\u6d3b\u673a\u5236\u4ecd\u7136\u4e0d\u591f\u660e\u786e\uff0c\u8fdb\u4e00\u6b65\u9650\u5236\u4e86\u65b0\u578b\u9ad8\u6bd4\u5bb9\u91cf\u6750\u6599\u7684\u5f00\u53d1\u548c\u8bbe\u8ba1\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u5317\u4eac\u5927\u5b66\u590f\u5b9a\u56fd\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u8868\u660e\u7535\u5316\u5b66\u60f0\u6027\u7684\u7acb\u65b9\u5ca9\u76d0\u76f8Li2<\/sub>TiO3<\/sub>\u5728\u7ecf\u8fc7Fe3+<\/sup>\u7684\u63ba\u6742\u540e\uff0c\u8868\u73b0\u51fa\u663e\u8457\u7684\u9634\u79bb\u5b50\uff08\u6c27\u79bb\u5b50\uff09\u6c27\u5316\u8fd8\u539f\u6d3b\u6027\uff0c\u4ece\u800c\u91ca\u653e\u51fa250mAh\/g\u7684\u6bd4\u5bb9\u91cf\u3002\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u53d1\u73b0\u8131\u9502\u65f6\u7535\u5b50\u7a7a\u7a74\u66f4\u503e\u5411\u4e8e\u9009\u62e9\u6027\u5730\u4ea7\u751f\u5728\u4e0eFe\u76f8\u8fde\u7684\u6c27\u79bb\u5b50\u800c\u975e\u4e0eTi\u76f8\u8fde\u7684\u6c27\u79bb\u5b50\u4e0a\u3002\u8fdb\u4e00\u6b65\u5206\u6790\u8868\u660e\uff0c\u5bf9\u4e8e\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u7535\u5b50\u8f6c\u79fb\u8fc7\u7a0b\uff0cd-d\u7535\u5b50\u4ea4\u6362\u4e0e\u5e93\u4ed1\u6392\u65a5\u80fd\uff08U<\/i><\/em>\uff09\u548cp-d\u7535\u8377\u8f6c\u79fb\u80fd\uff08\u0394<\/i><\/em>\uff09\u7684\u76f8\u5bf9\u5927\u5c0f\u51b3\u5b9a\u4e86\u7535\u8377\u8f6c\u79fb\u8def\u5f84\uff1a\u5373\u5f53U>D\u65f6\uff0c\u9634\u79bb\u5b50\u7684p\u7535\u5b50\u8f6c\u79fb\u624d\u88ab\u6fc0\u6d3b\uff0c\u4ece\u800c\u5b9e\u73b0\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u3002\u8fd9\u8fdb\u4e00\u6b65\u5728\u975e\u6d3b\u6027\u7684\u5c42\u72b6Li2<\/sub>TiS3<\/sub>\u4e2d\u5f97\u5230\u8bc1\u5b9e\uff0c\u901a\u8fc7\u63ba\u6742Co2+<\/sup>\u5f62\u6210Li1.2<\/sub>Ti0.6<\/sub>Co0.2<\/sub>S2<\/sub>\u80fd\u591f\u6fc0\u6d3b\u786b\u7684\u6c27\u5316\u8fd8\u539f\u8fc7\u7a0b\uff0c\u5e76\u5b9e\u73b0200mAh\/g\u7684\u5bb9\u91cf\uff0c\u800c\u4e14Co2+<\/sup>\u672c\u8eab\u4e0d\u53c2\u4e0e\u7535\u8377\u8f6c\u79fb\uff0cS\u662f\u552f\u4e00\u7684\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u4e2d\u5fc3\u3002\u8be5\u5de5\u4f5c\u9996\u6b21\u63ed\u793a\u4e86\u9502\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599\u4e2d\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u53d1\u751f\u7684\u4e00\u822c\u6027\u673a\u5236\u3002\u76f8\u5173\u6210\u679c\u4ee5\u9898\u4e3a\u201cThermodynamic Activation of Charge Transfer in Anionic Redox Process for Li-Ion Batteries<\/strong>\u201d\u53d1\u8868\u5728\u4e86Advanced Functional Materials<\/strong>\u4e0a\u3002<\/p>\n \u56fe1 \u8868\u5f81\u5206\u6790 a\uff09Li1.2<\/sub>Ti0.4<\/sub>Fe0.4<\/sub>O2<\/sub>\u7684Rietveld\u7cbe\u4feeXRD\u56fe\u8c31\uff0c\u5176\u4e2dRwp<\/sub> = 6.53\uff05\uff0cRp<\/sub> = 5.22\uff05<\/p>\n b\uff09\u5236\u5907\u7684Li1.2<\/sub>Ti0.4<\/sub>Fe0.4<\/sub>O2<\/sub>\u6837\u54c1\u7684TEM\u56fe\u50cf\uff0c\u5176\u663e\u793a\u4e86\u76f4\u5f84\u4e3a20-30nm\u7684\u7403\u5f62\u5f62\u6001<\/p>\n c\uff09\u7535\u6d41\u5bc6\u5ea6\u4e3a10mA g-1<\/sup>\u65f6\uff0c\u57281.2-4.8V\u8303\u56f4\u5185\u7684Li1.2<\/sub>Ti0.4<\/sub>Fe0.4<\/sub>O2<\/sub>\u7535\u6781\u7684\u5145\u7535\/\u653e\u7535\u66f2\u7ebf<\/p>\n d\uff09\u626b\u63cf\u901f\u7387\u4e3a0.1 mV s-1<\/sup>\u65f6\uff0cLi1.2<\/sub>Ti0.4<\/sub>Fe0.4<\/sub>O2<\/sub>\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf<\/p>\n e\uff09Li1.2<\/sub>Ti0.4<\/sub>Fe0.4<\/sub>O2<\/sub>\u7684GITT\u66f2\u7ebf\uff08\u572810mA g-1<\/sup>\u4e0b0.5h\u7684\u8109\u51b2\u548c\u6bcf\u6b658h\u7684\u5f1b\u8c6b\uff09<\/p>\n \u56fe2 O 1s XPS\u548cO 1s XAS\u5206\u6790 a-e\uff09\u9996\u6b21\u5145\u7535\/\u653e\u7535\u72b6\u6001\u7684O 1s XPS\u7ed3\u679c<\/p>\n f\uff09\u9996\u6b21\u5faa\u73af\u4e2d\u7684O 1s XAS\u5149\u8c31<\/p>\n \u56fe3 \u7535\u8377\u8f6c\u79fb\u8fc7\u7a0b a\uff0cb\uff09\u5206\u522b\u4e3a\u5145\u653e\u7535\u8fc7\u7a0b\u4e2dLi2<\/sub>TiO3<\/sub>\u548cLi1.2<\/sub>Ti0.4<\/sub>Fe0.4<\/sub>O2<\/sub>\u7684\u7535\u8377\u8f6c\u79fb\u8fc7\u7a0b\uff0c\u5de6\u8fb9\u662f\u5c40\u90e8\u6676\u4f53\u7ed3\u6784\uff0c\u5176\u4e2d\u9ed1\u8272\u7bad\u5934\u8868\u793a\u7535\u5b50\u8f6c\u79fb\u8fc7\u7a0b\u3002U<\/i><\/em>\u548c\u0394<\/i><\/em>\u7684\u76f8\u5bf9\u503c\u51b3\u5b9a\u4e86\u7535\u8377\u4f20\u9012\u673a\u7406\uff08\u9633\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u6216\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\uff09\uff0c\u6c27\u7684\u7535\u5b50\u5728\u6fc0\u53d1\u540e\u5728\u4e0d\u540c\u539f\u5b50\u4f4d\u7f6e\u95f4\u8fc1\u79fb\u4e3a\u52a8\u529b\u5b66\u8fc7\u7a0b\uff0c\u5176\u80fd\u5792\u4e3aEb<\/sub>\uff0c\u51b3\u5b9a\u4e86\u7535\u6781\u7684\u7535\u5b50\u4f20\u5bfc\u6027\u3002<\/p>\n \u56fe4 <\/strong>S\u7684<\/b><\/strong>\u6c27\u5316\u8fd8\u539f\u53cd\u5e94<\/b><\/strong><\/p>\n a\uff09C2\/m Li2<\/sub>TiS3<\/sub>\u548cLi1.2<\/sub>Ti0.6<\/sub>Co0.2<\/sub>S2<\/sub>\u4ee5\u53ca\u6a21\u62df\u7684C2\/m Li2<\/sub>TiS3<\/sub>\u7684XRD\u56fe<\/p>\n b\uff09\u572820mA g-1<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cC2\/m Li2<\/sub>TiS3<\/sub>\u548cLi1.2<\/sub>Ti0.6<\/sub>Co0.2<\/sub>S2<\/sub>\u7684\u7535\u5316\u5b66\u6027\u80fd<\/p>\n c\uff09Li1.2<\/sub>Ti0.6<\/sub>Co0.2<\/sub>S2<\/sub>\u5728\u7b2c\u4e00\u6b21\u5faa\u73af\u548c\u7b2c\u4e8c\u6b21\u5faa\u73af\u5145\u7535\u671f\u95f4\u7684S\u7684K\u8fb9XAS\u5149\u8c31<\/p>\n d\uff09Li1.2<\/sub>Ti0.6<\/sub>Co0.2<\/sub>S2<\/sub>\u548cTi0.6<\/sub>Co0.2<\/sub>S2<\/sub>\u4e4b\u95f4\u7684\u5dee\u5206\u7535\u8377\u5bc6\u5ea6\u56fe<\/p>\n e\uff0cf\uff09\u4e0d\u540cTM\u79bb\u5b50\u76f8\u8fde\u7684\u786b\u9634\u79bb\u5b50\u7684\u9009\u62e9\u6027\u6c27\u5316\u8fd8\u539f\u884c\u4e3a<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u8be5\u7814\u7a76\u8868\u660e\u60f0\u6027\u7acb\u65b9Li2<\/sub>TiO3<\/sub>\u4e2dFe3<\/sub>+<\/sup>\u7684\u63ba\u6742\u6fc0\u6d3b\u4e86\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u6d3b\u6027\u3002\u7406\u8bba\u7814\u7a76\u8868\u660e\uff0c\u7535\u5b50\u8f6c\u79fb\u4e3b\u8981\u53d1\u751f\u5728\u4e0eFe\u76f8\u8fde\u800c\u4e0d\u662f\u4e0eTi\u76f8\u8fde\u7684\u6c27\u539f\u5b50\u4e0a\u3002\u8fd9\u53ef\u4ee5\u7531Fe\u79bb\u5b50\u4ece\u70ed\u529b\u5b66\u4e0a\u6865\u63a5\u4e86\u7535\u8377\u8f6c\u79fb\u8fc7\u7a0b\u6765\u5f97\u5230\u5b8c\u7f8e\u89e3\u91ca\uff0c\u5e76\u53ef\u8fdb\u4e00\u6b65\u901a\u8fc7U\u548c\u0394\u7684\u76f8\u5bf9\u5927\u5c0f\u6765\u5224\u5b9a\u3002\u8fd9\u9879\u5de5\u4f5c\u4e5f\u5c06\u6709\u5229\u4e8e\u9502-\u6c27\u548c\u9502-\u786b\u7b49\u6d89\u53ca\u5230\u9634\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u7684\u4f53\u7cfb\u7684\u7406\u89e3\u548c\u53d1\u5c55\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Thermodynamic Activation of Charge Transfer in Anionic Redox Process for Li-Ion Batteries<\/a>\uff08Adv. Funct. Mater.,2017,<\/strong><\/p>\n
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