{"id":140667,"date":"2018-05-29T06:30:40","date_gmt":"2018-05-28T22:30:40","guid":{"rendered":"\/\/m.iemloyee.com\/?p=140667"},"modified":"2018-05-28T22:50:42","modified_gmt":"2018-05-28T14:50:42","slug":"%e5%8c%97%e7%a7%91%e5%a4%a7%e8%8c%83%e4%b8%bd%e7%8f%8dadv-funct-mater-%e8%b6%85%e5%b0%8f%e7%a3%b7%e9%93%81%e9%92%a0%e7%9f%bfnafepo4%e7%ba%b3%e7%b1%b3%e7%b2%92%e5%ad%90%e7%94%a8%e4%bd%9c%e9%ab%98","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=140667","title":{"rendered":"\u5317\u79d1\u5927\u8303\u4e3d\u73cdAdv. Funct. Mater.: \u8d85\u5c0f\u78f7\u94c1\u94a0\u77ffNaFePO4\u7eb3\u7c73\u7c92\u5b50\u7528\u4f5c\u9ad8\u6027\u80fd\u94a0\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599"},"content":{"rendered":"

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

\u94a0\u79bb\u5b50\u7535\u6c60\u51ed\u501f\u8d44\u6e90\u548c\u4ef7\u683c\u4f18\u52bf\u5728\u5927\u89c4\u6a21\u50a8\u80fd\u9886\u57df\u5177\u6709\u91cd\u8981\u5e94\u7528\u524d\u666f\u3002\u7136\u800c\uff0c\u94a0\u79bb\u5b50\u8f83\u5927\u7684\u534a\u5f84\u548c\u8d28\u91cf\u4e0d\u5229\u4e8e\u5b83\u4e0e\u7535\u6781\u6750\u6599\u7684\u53ef\u9006\u53cd\u5e94\u3002\u5f00\u53d1\u80fd\u591f\u5feb\u901f\u3001\u7a33\u5b9a\u5b58\u50a8\u94a0\u79bb\u5b50\u7684\u9ad8\u6bd4\u80fd\u7535\u6781\u6750\u6599\u662f\u63d0\u5347\u94a0\u79bb\u5b50\u7535\u6c60\u6027\u80fd\u7684\u5173\u952e\u4e4b\u4e00\u3002\u5728\u76ee\u524d\u5df2\u77e5\u7684\u6b63\u6781\u50a8\u94a0\u6750\u6599\u4e2d\uff0c\u94c1\u57fa\u78f7\u9178\u76d0\u7531\u4e8e\u6210\u672c\u4f4e\u5ec9\u3001\u73af\u5883\u53cb\u597d\u5f15\u8d77\u5e7f\u6cdb\u5173\u6ce8\u3002\u5176\u4e2d\uff0cNaFePO4<\/sub>\u56e0\u7406\u8bba\u6bd4\u5bb9\u91cf\u9ad8\uff08154 mAh g-1<\/sup>\uff09\u548c\u5de5\u4f5c\u7535\u4f4d\u9002\u5b9c\u8131\u9896\u800c\u51fa\u3002\u9274\u4e8e\u6a44\u6984\u77f3\u7ed3\u6784LiFePO4<\/sub>\u5728\u9502\u79bb\u5b50\u7535\u6c60\u4e2d\u53d6\u5f97\u7684\u5de8\u5927\u6210\u529f\uff0c\u6a44\u6984\u77f3\u578bNaFePO4<\/sub>\u5df2\u7ecf\u88ab\u5e7f\u6cdb\u5c1d\u8bd5\u7528\u4f5c\u94a0\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599\u3002\u7136\u800c\uff0c\u6a44\u6984\u77f3\u578bNaFePO4<\/sub>\u5e76\u975e\u70ed\u529b\u5b66\u7a33\u5b9a\u76f8\uff0c\u5f80\u5f80\u9700\u8981\u901a\u8fc7\u590d\u6742\u7684\u79bb\u5b50\u4ea4\u6362\u8fc7\u7a0b\u4ece\u6a44\u6984\u77f3\u7ed3\u6784LiFePO4<\/sub>\u5236\u5f97\uff0c\u9650\u5236\u5176\u5b9e\u9645\u5e94\u7528\u3002\u76f8\u6bd4\u800c\u8a00\uff0c\u70ed\u529b\u5b66\u7a33\u5b9a\u76f8\u78f7\u94c1\u94a0\u77ffNaFePO4<\/sub>\u7531\u4e8e\u7f3a\u4e4f\u94a0\u79bb\u5b50\u4f20\u8f93\u901a\u9053\u901a\u5e38\u88ab\u8ba4\u4e3a\u4e0d\u5177\u6709\u7535\u5316\u5b66\u6d3b\u6027\u3002\u6b64\u5916\uff0cNaFePO4<\/sub>\u8f83\u4f4e\u7684\u672c\u5f81\u7535\u5bfc\u7387\u548c\u8131\/\u5d4c\u94a0\u8fc7\u7a0b\u4e2d\u8f83\u5927\u7684\u6676\u683c\u5dee\u5f02\u5f71\u54cd\u5176\u500d\u7387\u6027\u80fd\u548c\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u6709\u5f85\u6539\u5584\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u5317\u4eac\u79d1\u6280\u5927\u5b66\u8303\u4e3d\u73cd\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09\u4e0e\u5218\u6c38\u7545\u526f\u6559\u6388\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u56e2\u961f\u5728\u6750\u6599\u9886\u57df\u56fd\u9645\u6743\u5a01\u671f\u520a<\/strong>\u2014Advanced Functional Materials (IF=12)<\/strong>\u4e0a\u5728\u7ebf\u53d1\u8868\u4e86\u9898\u4e3a<\/strong>\u201c<\/strong>Approaching the Downsizing Limit of Maricite NaFePO4<\/sub> toward High-Performance Cathode for Sodium-Ion Batteries<\/strong>\u201d<\/strong>\u7684\u6587\u7ae0\u3002<\/strong>\u5229\u7528\u9759\u7535\u7eba\u4e1d\u6280\u672f\u5c06\u5e73\u5747\u5c3a\u5bf8\u4ec51.6 nm\u7684\u8d85\u5c0f\u78f7\u94c1\u94a0\u77ffNaFePO4<\/sub>\u7eb3\u7c73\u7c92\u5b50\u5747\u5300\u9576\u5d4c\u5165\u591a\u5b54\u6c2e\u63ba\u6742\u7684\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u3002\u5236\u5f97\u7684NaFePO4<\/sub>@C\u7ea4\u7ef4\u819c\u7d27\u8d34\u4e8e\u94dd\u7b94\uff0c\u53ef\u76f4\u63a5\u7528\u4f5c\u94a0\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u3002\u8bba\u6587\u63ed\u793a\u4e86\u8d85\u5c0f\u7eb3\u7c73\u5c3a\u5bf8\u6548\u5e94\u4ee5\u53ca\u9ad8\u7535\u4f4d\u8131\u94a0\u8fc7\u7a0b\u80fd\u591f\u5c06\u901a\u5e38\u8ba4\u4e3a\u662f\u7535\u5316\u5b66\u975e\u6d3b\u6027\u7684\u78f7\u94c1\u94a0\u77ff\u76f8NaFePO4<\/sub>\u8f6c\u53d8\u4e3a\u9ad8\u6d3b\u6027\u7684\u65e0\u5b9a\u578b\u76f8\uff0c\u540c\u65f6\u83b7\u5f97\u9ad8\u7684\u53ef\u9006\u5bb9\u91cf\uff080.2 C\u4e0b145 mA h g-1<\/sup>\uff09\uff0c\u4f18\u5f02\u7684\u500d\u7387\u6027\u80fd\uff0850 C\u4e0b61 mA h g-1<\/sup>\uff09\uff0c\u4ee5\u53ca\u8d85\u957f\u7684\u5faa\u73af\u5bff\u547d\uff086300\u5468\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u7ea689%\uff09\u3002\u6b64\u5916\uff0c\u5c06\u6b64NaFePO4<\/sub>@C\u7eb3\u7c73\u7ea4\u7ef4\u6b63\u6781\u4e0e\u7eaf\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u8d1f\u6781\u5339\u914d\u7ec4\u88c5\u94a0\u79bb\u5b50\u5168\u7535\u6c60\uff0c\u4f9d\u65e7\u5c55\u73b0\u51fa\u8f83\u9ad8\u7684\u80fd\u91cf\u5bc6\u5ea6\u548c\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u8d85\u7ec6NaFePO4<\/sub>\u7eb3\u7c73\u9897\u7c92\u5747\u5300\u5d4c\u5165\u76f8\u4e92\u8fde\u63a5\u7684\u591a\u5b54\u6c2e\u63ba\u6742\u78b3\u7eb3\u7c73\u7ea4\u7ef4\uff0c\u5f62\u6210\u7a33\u5b9a\u7684\u4e09\u7ef4\u5bfc\u7535\u7f51\u7edc\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u6d3b\u6027\u7269\u8d28\u7684\u5229\u7528\u7387\uff0c\u4fc3\u8fdb\u79bb\u5b50\/\u7535\u5b50\u5feb\u901f\u4f20\u5bfc\uff0c\u52a0\u5f3a\u7535\u6781\u5728\u957f\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u7a33\u5b9a\u6027\uff0c\u56e0\u800c\u9020\u5c31\u4e86\u7a81\u51fa\u7684\u7535\u5316\u5b66\u50a8\u94a0\u6027\u80fd\u3002<\/p>\n

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

\u56fe1\uff1aNaFePO4<\/sub>@C\u7eb3\u7c73\u7ea4\u7ef4\u7684\u5236\u5907\u793a\u610f\u53ca\u5f62\u8c8c\u3001\u7ed3\u6784\u3001\u6210\u5206\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

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\u56fe2\uff1aNaFePO4<\/sub>@C\u7eb3\u7c73\u7ea4\u7ef4\u7684\u6bd4\u8868\u9762\u79ef\u3001\u591a\u5b54\u6027\u3001\u6210\u5206\u3001\u4ef7\u6001\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09N2<\/sub>\u5438\u8131\u9644\u66f2\u7ebf\uff08\u63d2\u56fe\u4e3a\u5b54\u5f84\u5206\u5e03\uff09;\uff08b\uff09XPS\u5168\u8c31\u4ee5\u53ca\u9ad8\u5206\u8fa8\uff08c\uff09Fe 2p\uff0c\uff08d\uff09N 1s\uff0c\uff08e\uff09C 1s XPS\u8c31\u56fe\uff1b\uff08f\uff09\u78b3\u9635\u4e2d\u6c2e\u63ba\u6742\u4f4d\u7f6e\u793a\u610f\u3002<\/p>\n

\u56fe3\uff1aNaFePO4<\/sub>@C\u6b63\u6781\u6750\u6599\u7684\u7535\u5316\u5b66\u50a8\u94a0\u6027\u80fd\u4e0e\u673a\u7406\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff0920 mA g-1<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b\uff08b\uff090.1 mV s-1<\/sup>\u626b\u901f\u4e0b\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\uff1b\uff08c\uff0920 mA g-1<\/sup>\u4e0b\u7684\u5faa\u73af\u6027\u80fd\uff1b\uff08d\uff09\u524d\u4e24\u5468\u5185\u4e0d\u540c\u5145\u653e\u7535\u72b6\u6001\u4e0b\u7684\u975e\u539f\u4f4dXRD\u8c31\u56fe\uff1b\u9996\u5468\uff08e\uff09\u5b8c\u5168\u5145\u7535\u6001\u4e0e\uff08f\uff09\u5b8c\u5168\u653e\u7535\u6001\u7684\u9ad8\u5206\u8fa8TEM\u7167\u7247\uff08\u63d2\u56fe\u4e3a\u9009\u533a\u7535\u5b50\u884d\u5c04\uff09\uff1b\uff08g\uff09\u78f7\u94c1\u94a0\u77ffNaFePO4<\/sub>\u5230\u65e0\u5b9a\u578b\u76f8\u7684\u7ed3\u6784\u8f6c\u53d8\u793a\u610f\u3002<\/p>\n

\u56fe4\uff1aNaFePO4<\/sub>@C\u6b63\u6781\u6750\u6599\u7684\u500d\u7387\u3001\u957f\u5faa\u73af\u6027\u80fd\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u500d\u7387\u6027\u80fd\uff1b\uff08b\uff09\u4e0e\u5df2\u62a5\u9053\u7684NaFePO4<\/sub>\u57fa\u6b63\u6781\u6750\u6599\u5bf9\u6bd4\uff1b\uff08c\uff090.1\u52302.0 mV s-1<\/sup>\u626b\u901f\u4e0b\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\u4ee5\u53ca\uff08d\uff09\u76f8\u5e94\u7684\u5cf0\u7535\u6d41\u4e0e\u626b\u901f\u5e73\u65b9\u6839\u4e4b\u95f4\u7684\u7ebf\u6027\u5173\u7cfb\u56fe\uff1b\uff08e\uff095 C\u500d\u7387\u4e0b\u7684\u957f\u5faa\u73af\u6027\u80fd\uff081 C = 150 mA g-1<\/sup>\uff09\u3002<\/p>\n

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\"\"<\/p>\n

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

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\u3010\u8bba\u6587\u94fe\u63a5\u3011<\/strong><\/p>\n

Yongchang Liu, Ning Zhang, Fanfan Wang, Xiaobin Liu, Lifang Jiao, Li-Zhen Fan,* Approaching the Downsizing Limit of Maricite NaFePO4<\/sub> toward High-Performance Cathode for Sodium-Ion Batteries, Adv. Funct. Mater., 2018, 28, 1801917.<\/p>\n

\u672c\u6587\u7531\u8303\u4e3d\u73cd\u6559\u6388\u56e2\u961f\u6295\u7a3f\u3002<\/p>\n

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