{"id":212095,"date":"2020-11-02T06:30:22","date_gmt":"2020-11-01T22:30:22","guid":{"rendered":"\/\/m.iemloyee.com\/?p=212095"},"modified":"2020-11-01T16:30:44","modified_gmt":"2020-11-01T08:30:44","slug":"%e4%b8%ad%e7%a7%91%e5%a4%a7%e5%a7%9a%e5%ae%8f%e6%96%8cadv-funct-mater-%ef%bc%9a%e5%a4%9a%e5%b0%ba%e5%ba%a6%e8%ae%be%e8%ae%a1%e9%93%8c%e9%92%9b%e6%b0%a7%e5%8c%96%e7%89%a9%e8%b4%9f%e6%9e%81%e7%94%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=212095","title":{"rendered":"\u4e2d\u79d1\u5927\u59da\u5b8f\u658cAdv. Funct. Mater.\uff1a\u591a\u5c3a\u5ea6\u8bbe\u8ba1\u94cc\u949b\u6c27\u5316\u7269\u8d1f\u6781\u7528\u4e8e\u5feb\u5145\u9502\u79bb\u5b50\u7535\u6c60"},"content":{"rendered":"
\u3010\u524d\u8a00\u3011<\/strong><\/p>\n \u5b9e\u73b0\u9502\u79bb\u5b50\u7535\u6c60\u7684\u5feb\u901f\u5145\u7535\u5bf9\u53d1\u5c55\u4e0b\u4e00\u4ee3\u50a8\u80fd\u7cfb\u7edf\u81f3\u5173\u91cd\u8981\u3002\u7136\u800c\uff0c\u5b9e\u9645\u9762\u5bb9\u91cf\u5e94\u7528\u6c34\u5e73\u7684\u8d1f\u6781\u7531\u4e8e\u5185\u90e8\u4f4e\u7684\u7535\u5b50\u548c\u79bb\u5b50\u4f20\u5bfc\u5bfc\u81f4\u7684\u5de8\u5927\u6781\u5316\u6548\u5e94\u9650\u5236\u4e86\u5176\u5feb\u5145\u80fd\u529b\u7684\u63d0\u5347\u3002\u672c\u5de5\u4f5c\u901a\u8fc7\u5bf9\u94cc\u949b\u6c27\u5316\u7269\u8d1f\u6781\u4ece\u6750\u6599\u672c\u5f81\u5230\u7535\u6781\u7ed3\u6784\u7684\u591a\u5c3a\u5ea6\u8bbe\u8ba1\uff0c\u7ec4\u88c5\u4e86\u5b9e\u9645\u5e94\u7528\u6c34\u5e73\u9762\u5bb9\u91cf(3 mAh cm-2<\/sup>) \u7684\u5feb\u901f\u5145\u7535\u9502\u79bb\u5b50\u7535\u6c60\u3002\u5728\u539f\u5b50\u5c3a\u5ea6,\u5f15\u5165\u6c27\u7a7a\u4f4d\u548c\u8868\u9762\u78b3\u5305\u8986\u5c42\u4f7f\u94cc\u949b\u6c27\u5316\u7269(TiNb2O7-x<\/sub>@C)\u62e5\u6709\u9ad8\u7684\u79bb\u5b50\u548c\u7535\u5b50\u7535\u5bfc\u7387\u3002\u5728\u7535\u6781\u5fae\u89c2\u7ed3\u6784\u8bbe\u8ba1\u65b9\u9762\uff0c1D TiNb2<\/sub>O7-x<\/sub>@C\u7ea4\u7ef4\u7d27\u5bc6\u7ec4\u88c5\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u8d2f\u7a7f\u7535\u6781\u7684\u79bb\u5b50\u548c\u7535\u5b50\u5feb\u901f\u4f20\u5bfc\u7f51\u7edc\u3002\u56e0\u6b64\uff0c\u6240\u83b7\u5f97\u7684TiNb2<\/sub>O7-x<\/sub>@C\u8d1f\u6781\u5728\u534a\u7535\u6c60\u4e2d\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u500d\u7387\u6027\u80fd(1C\u65f6\u4e3a1.83 mAh cm-2<\/sup>)\u548c\u5728\u9762\u79ef\u5bb9\u91cf\u4e3a3 mAh cm-2<\/sup>(0.5C\u65f6100\u6b21\u5faa\u73af\u540e\u4e3a2.35 mAh cm-2<\/sup>)\u4e0b\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u53e6\u5916\uff0c\u9996\u6b21\u7ec4\u88c5\u4e86\u9ad8\u8d1f\u8f7d\u91cf\u7684\u94b4\u9178\u9502\/\u94cc\u949b\u6c27\u5316\u7269\u5168\u7535\u6c60\uff0c\u57283C\u65f6\u4f9d\u7136\u67091.55 mAh cm-2 <\/sup>\u7684\u9762\u5bb9\u91cf\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u6700\u8fd1\uff0c\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u59da\u5b8f\u658c<\/strong>\u6559\u6388\u8bfe\u9898\u7ec4<\/strong>\u5728Advanced Functional Materials<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cMultiscale Designed Niobium Titanium Oxide Anode for Fast Charging Lithium Ion Batteries<\/strong>\u201d<\/strong>\u7684\u6587\u7ae0\u3002\u62a5\u9053\u4e86\u591a\u5c3a\u5ea6\u94cc\u949b\u6c27\u5316\u7269\u8d1f\u6781\u8bbe\u8ba1\u7b56\u7565\uff0c\u4ece\u6676\u4f53\u7ed3\u6784\u6539\u6027\u3001\u8868\u9762\u78b3\u5305\u8986\u5230\u6574\u4e2a\u7535\u6781\u5c3a\u5ea6\u4e09\u7ef4\u7f51\u7edc\u6784\u5efa\uff0c\u4ee5\u5b9e\u73b0\u5feb\u901f\u5145\u7535\u9502\u79bb\u5b50\u7535\u6c60\u3002\u5728TiNb2<\/sub>O7<\/sub>\u2212<\/sub>x<\/sub>(TNO7<\/sub>\u2212<\/sub>x<\/sub>)\u6676\u4f53\u7ed3\u6784\u4e2d\uff0cO2<\/sup>\u2212<\/sup>\u7a7a\u4f4d\u7684\u5f62\u6210\u5bfc\u81f4\u79bb\u5b50\u534a\u5f84\u66f4\u5927\u7684\u4f4e\u4ef7\u9633\u79bb\u5b50(Ti3+<\/sup>\u548cNb4+<\/sup>\u79bb\u5b50)\u7684\u51fa\u73b0\uff0c\u5f15\u8d77\u6676\u80de\u4f53\u79ef\u7684\u589e\u5927\uff0c\u4ece\u800c\u5728\u6676\u80de\u4e2d\u521b\u9020\u4e86\u66f4\u5feb\u7684Li+<\/sup>\u79bb\u5b50\u6269\u6563\u901a\u9053\uff0c\u663e\u8457\u589e\u52a0\u4e86TiNb2<\/sub>O71<\/sub>\u2212<\/sub>x<\/sub>\u548cTiNb2<\/sub>O7<\/sub>\u2212<\/sub>x<\/sub>@c (TNO\u2212<\/sub>x<\/sub>@C)\u7684Li+<\/sup>\u79bb\u5b50\u6269\u6563\u7cfb\u6570\uff0c\u6bd4TiNb2<\/sub>O7<\/sub> (TNO)\u9ad8\u51fa2\u500d\u3002\u5728\u66f4\u5927\u7684\u6750\u6599\u5c3a\u5ea6\u4e0a\uff0c\u5177\u6709\u7eb3\u7c73\u7ea7\u539a\u5ea6\u7684\u5747\u5300\u78b3\u5305\u8986\u5c42\u663e\u8457\u5730\u5c06\u7535\u5b50\u5bfc\u7535\u6027\u63d0\u9ad8\u4e86\u81f3\u5c118\u4e2a\u6570\u91cf\u7ea7\uff0c\u8fbe\u52301.5\u00d710\u2212<\/sup>1<\/sup> S cm\u2212<\/sup>1<\/sup>\u3002\u5728\u7535\u6781\u7ed3\u6784\u5c42\u9762\uff0c\u901a\u8fc7\u6c14\u6d41\u7eba\u4e1d\u6280\u672f\u5408\u6210\u76841D TiNb2<\/sub>O7<\/sub>\u2212<\/sub>x<\/sub>@C\u7ea4\u7ef4\u88ab\u7d27\u5bc6\u7ec4\u88c5\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u79bb\u5b50\u548c\u7535\u5b50\u7684\u9ad8\u901f\u4f20\u5bfc\u7f51\u7edc\uff0c\u4f7f\u7535\u6781\u4e2d\u7684\u6781\u5316\u964d\u4f4e\u3002\u8fd9\u6837\u5728\u591a\u5c3a\u5ea6\u7684\u57fa\u7840\u4e0a\u8bbe\u8ba1\u7684TiNb2<\/sub>O7<\/sub>\u2212<\/sub>x<\/sub>@C\u8d1f\u6781,\u548cLiCoO2<\/sub>(LCO)\u6b63\u6781(\u224820 mg cm-2<\/sup>)\u7ec4\u88c5\u6210\u7684\u5168\u7535\u6c60\u5177\u6709\u4f18\u5f02\u7684\u5feb\u901f\u5145\u7535\u6027\u80fd(1.55 mAh cm\u2212<\/sup>2<\/sup>\u57283C)\u548c\u826f\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027(1C\u65f650\u5faa\u73af\u540e\u4e3a2.21 mAh cm\u2212<\/sup>2<\/sup>)\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe1. \u8bbe\u8ba1\u793a\u610f\u56fe<\/strong><\/p>\n \u4eceTNO-x<\/sub>@C\u7535\u6781\u7ed3\u6784\u5230\u542b\u6c27\u7a7a\u4f4dTNO\u6676\u4f53\u7ed3\u6784\u7684\u591a\u5c3a\u5ea6\u8bbe\u8ba1\u793a\u610f\u56fe\u3002<\/p>\n <\/p>\n \u56fe2. TNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C<\/strong>\u7684\u7ea4\u7ef4\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u524d\u9a71\u4f53\uff0cTNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C\u7ea4\u7ef4\u7684PXRD\u56fe\u8c31\uff1b<\/p>\n \uff08b\uff09TNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C\u7ea4\u7ef4\u7684Raman\u5149\u8c31\uff1b<\/p>\n \uff08c\uff09TNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C\u7ea4\u7ef4\u7684TG\u66f2\u7ebf\uff1b<\/p>\n \uff08d, e\uff09TNO–<\/sub>x@C\u7ea4\u7ef4SEM\u56fe\uff1b<\/p>\n \uff08g\uff09TNO–<\/sub>x@C\u7ea4\u7ef4\u9ad8\u89d2\u73af\u5f62\u6697\u573a\u626b\u63cfTEM\u56fe\u50cf\u548c\u5bf9\u7684Ti\u3001Nb\u3001O\u3001C\u7684\u76f8\u5e94EDS\u5143\u7d20\u6620\u5c04\u56fe\u50cf\uff0c\u5355\u72ec\u7684Ti\u3001Nb\u3001O\u3001C\u7684\u5143\u7d20\u5206\u5e03\u56fe\u3002<\/p>\n <\/p>\n \u56fe3. \u6c27\u7a7a\u7a74\u53ca\u8d1f\u6781\u6750\u6599\u7535\u89e3\u7ed3\u6784\u7684\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09TNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C\u7ea4\u7ef4\u7684EPR\u8c31\u56fe\uff1b<\/p>\n \uff08b\uff09TNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C\u7ea4\u7ef4\u7684Ti 2p\u7684XPS\u8c31\u56fe\uff1b<\/p>\n \uff08c\uff09TNO, TNO–<\/sub>x\u548cTNO–<\/sub>x@C\u7ea4\u7ef4Nb 3d\u7684XPS\u8c31\u56fe\uff1b<\/p>\n \uff08d\uff0ce\uff09TNO–<\/sub>x@C\u7535\u6781\u7684SEM\u9876\u89c6\u56fe\uff1b<\/p>\n \uff08f\uff09TNO–<\/sub>x@C\u7535\u6781\u7684SEM\u6a2a\u622a\u9762\u56fe\u3002<\/p>\n <\/p>\n \u56fe4.<\/strong>\u6c27\u7a7a\u4f4d\uff0c\u78b3\u5305\u8986\u5c42\uff0c\u7535\u6781\u7ed3\u6784\u5728\u63d0\u9ad8<\/strong>TNO–<\/sub>x@C<\/strong>\u6027\u80fd\u4f5c\u7528\u7684\u7535\u5316\u5b66\u5206\u6790<\/strong><\/p>\n \uff08a\uff09TNO\/Li\u534a\u7535\u6c60\u7684CITT\u66f2\u7ebf\uff1b<\/p>\n \uff08b\uff09TNO-x<\/sub>@C\/Li\u534a\u7535\u6c60\u7684CITT\u66f2\u7ebf\uff1b<\/p>\n \uff08c\uff09\u7528GITT\u7684\u4f30\u7b97\u6bd4\u8f83TNO\u548cTNO-x<\/sub>@C\u5728\u9502\u5316\u8fc7\u7a0b\u4e2d\u7684\u8868\u9762Li+<\/sup>\u6269\u6563\u7cfb\u6570\uff1b<\/p>\n \uff08d\uff09\u901a\u8fc7GITT\u4f30\u7b97\u6bd4\u8f83TNO\u548cTNO-x<\/sub>@C\u5728\u8131\u9502\u8fc7\u7a0b\u4e2d\u7684\u8868\u9762Li+<\/sup>\u6269\u6563\u7cfb\u6570\uff1b<\/p>\n \uff08e\uff09\u901a\u8fc7\u56db\u63a2\u9488\u6cd5\u6d4b\u8bd5TNO\u548cTNO-x<\/sub>@C\u7684\u5bfc\u7535\u7387\uff1b<\/p>\n \uff08f\uff09TNO\u9897\u7c92\uff0cTNO, TNO-x<\/sub>\u548cTNO-x<\/sub>@C\u7535\u6781\u7684\u5bf9\u79f0\u7535\u6c60\u7684EIS\u5bf9\u6bd4\u3002<\/p>\n <\/p>\n \u56fe5.TNO\u548cTNO-x@C\u534a\u7535\u6c60\u914d\u7f6e\u4e2d\u7684\u7535\u5316\u5b66\u6027\u80fd\u6bd4\u8f83<\/strong><\/p>\n \uff08a\uff09TNO\u548cTNO-x@C\u7535\u6781\u534a\u7535\u6c60\u5728\u5ba4\u6e29\u4e0b\u4ee50.3C\u57281.0-2.5V\u7535\u538b\u8303\u56f4\u5185\u7684\u957f\u5faa\u73af\u6027\u80fd\uff08\u4ee50.1C\u9884\u5faa\u73af3\u5708\uff09\uff1b<\/p>\n \uff08b\uff0cc\uff09TNO\u548cTNO-x@C\u7535\u6781\u4ee50.3C\u57281.0-2.5V\u7535\u538b\u8303\u56f4\u5185\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08d\uff09TNO\uff0cTNO-x@C\u7ea4\u7ef4\u548cTNO\uff0cTNO-x@C\u9897\u7c92\u5e38\u6e29\u4e0b\u57281.0-2.5V\u7535\u538b\u8303\u56f4\u5185\u7684\u500d\u7387\u56fe\uff1b<\/p>\n \uff08e\uff09TNO-x<\/sub>@C\u7535\u6781\u4e0e\u5148\u524d\u62a5\u9053\u7684\u94cc\u57fa\u6c27\u5316\u7269\u534a\u7535\u6c60\u9762\u5bb9\u91cf\u7684\u6bd4\u8f83\u3002<\/p>\n <\/p>\n \u56fe5.TNO\/LCO\u548cTNO-x@C\u4e3a\u8d1f\u6781\u7684\u5168\u7535\u6c60\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n \uff08a\uff09TNO-x<\/sub>@C\u8d1f\u6781\u548cLCO\u6b63\u6781\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08b\uff09TNO\/LCO\u548cTNO-x<\/sub>@C\/LCO\u5168\u7535\u6c60\u4ee50.1C\u57281.9-3.15V\u4e4b\u95f4\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08c\uff09TNO\/LCO\u548cTNO-x<\/sub>@C\/LCO\u5168\u7535\u6c60\u5ba4\u6e29\u4e0b1.9-3.15V\u7684\u957f\u5faa\u73af\u3002\u6240\u6709\u7535\u6c60\u75280.1C\u9884\u5faa\u73af3\u5708\uff1b<\/p>\n \uff08d\uff09TNO\/LCO\u548cTNO-x@C\/LCO\u5168\u7535\u6c60\u4ee50.1C\u57281.9-3.15V\u4e4b\u95f4\u7684\u500d\u7387\u6027\u80fd\uff1b<\/p>\n \uff08e\uff09TNO\/LCO\u548cTNO-x<\/sub>@C\/LCO\u5168\u7535\u6c60\u57281.9-3.15V\u4e4b\u95f4\u4e0d\u540c\u901f\u7387\u4e0b\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n \uff08f\uff09\u6bd4\u8f83TNO-x<\/sub>@C\/LCO\u5168\u7535\u6c60\u4e0e\u4e4b\u524d\u62a5\u9053\u7684\u5feb\u901f\u5145\u7535\u5168\u7535\u6c60\u7684\u5145\u7535\u901f\u7387\u548c\u9762\u5bb9\u91cf\u5bf9\u6bd4\u3002<\/p>\n <\/p>\n \u3010\u7ed3\u8bba\u3011<\/strong><\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u7814\u7a76\u4eba\u5458\u5728TNO-x<\/sub>@C\u8d1f\u6781\u4e0a\u5f00\u53d1\u4e86\u4ece\u5f15\u5165\u6c27\u7a7a\u7f3a\u5230\u8868\u9762\u78b3\u5305\u8986\u5c42\u518d\u5230\u6574\u4e2a\u7535\u6781\u7ed3\u6784\u7684\u591a\u5c3a\u5ea6\u7535\u6781\u8bbe\u8ba1\uff0c\u5b9e\u73b0\u5b9e\u9645\u5546\u4e1a\u8981\u6c42\u9762\u5bb9\u91cf\u6c34\u5e73\u4e0a\u7684\u5feb\u901f\u5145\u7535\u3002\u7814\u7a76\u8868\u660e\uff0c\u6c27\u7a7a\u4f4d\u548c\u8868\u9762\u78b3\u5305\u8986\u5c42\u5bf9\u63d0\u9ad8TNO-x<\/sub>@C\u7535\u6781\u7684Li+<\/sup>\u79bb\u5b50\u6269\u6563\u548c\u7535\u5b50\u7535\u5bfc\u7387\u6709\u91cd\u8981\u4f5c\u7528\u3002\u6b64\u5916\uff0c\u7d27\u5bc6\u7ec4\u88c5\u7684TNO-x<\/sub>@C\u7ea4\u7ef4\u5728\u6574\u4e2a\u7535\u6781\u5c3a\u5ea6\u5f62\u6210\u5feb\u901f\u7684\u79bb\u5b50\u7535\u5b50\u4f20\u8f93\u7f51\u7edc\u3002\u6700\u540e, \u5177\u6709\u9ad8\u9762\u5bb9\u91cf\u7684TNO-x<\/sub>@C\/LCO\u5168\u7535\u6c60\u88ab\u9996\u6b21\u7ec4\u88c5,\u5e76\u663e\u793a\u4e86\u4f18\u826f\u7684\u5feb\u901f\u5145\u7535\u6027\u80fd(3C\u65f61.55 mAh cm-2<\/sup>)\u548c\u826f\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff08\u521d\u59cb\u9762\u5bb9\u91cf\u4e3a2.63 mAh cm-2<\/sup>\uff0c1C\u65f650\u4e2a\u5faa\u73af\u540e2.21 mAh cm-2<\/sup>)\u3002<\/p>\n \u6587\u732e\u94fe\u63a5<\/p>\n<\/p>\n
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