{"id":263876,"date":"2024-12-16T06:38:27","date_gmt":"2024-12-15T22:38:27","guid":{"rendered":"\/\/m.iemloyee.com\/?p=263876"},"modified":"2024-12-15T23:12:57","modified_gmt":"2024-12-15T15:12:57","slug":"%e5%8c%97%e7%90%86%e5%b7%a5%e5%90%b4%e9%94%8b%e9%99%a2%e5%a3%ab-%e5%88%98%e7%90%a6%e7%a0%94%e7%a9%b6%e5%91%98%e5%9b%a2%e9%98%9f%e5%9c%a8ensm%e5%8f%91%e8%a1%a8%e9%87%8d%e8%a6%81%e7%a0%94%e7%a9%b6","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=263876","title":{"rendered":"\u5317\u7406\u5de5\u5434\u950b\u9662\u58eb\/\u5218\u7426\u7814\u7a76\u5458\u56e2\u961f\u5728EnSM\u53d1\u8868\u91cd\u8981\u7814\u7a76\u8fdb\u5c55\uff1a\u65e0\u6c34Stanfieldite\u578bNa2Fe(SO4)2\u524d\u9a71\u4f53\u5236\u5907\u4f4e\u6210\u672c\u3001\u5168\u5929\u5019Alluaudite\u578bNa2+2\u03b4Fe2-\u03b4(SO4)3\u94a0\u79bb\u5b50\u7535\u6c60\u6b63\u6781\u6750\u6599"},"content":{"rendered":"

\u3010\u7814\u7a76\u80cc\u666f\u3011<\/p>\n

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\u3010\u6587\u7ae0\u7b80\u4ecb\u3011<\/p>\n

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\u8fd1\u65e5\uff0c\u5317\u4eac\u7406\u5de5\u5927\u5b66\u5434\u950b\u9662\u58eb\/\u5218\u7426\u7814\u7a76\u5458\u56e2\u961f\u5728\u56fd\u9645\u77e5\u540d\u671f\u520a Energy Storage Materials \u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cTransitioning from anhydrous Stanfieldite-type Na<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u00a0Precursor to Alluaudite-type Na<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\/C Composite Cathode: A Pathway to Cost-effective and All-climate Sodium-ion Batteries\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002<\/span>\u5728\u8fd9\u9879\u7814\u7a76\u4e2d\uff0c\u56e2\u961f\u9996\u6b21\u63ed\u793a\u4e86\u4ece\u65e0\u6c34Stanfieldite\u578bNa<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u524d\u9a71\u4f53\u5230Alluaudite\u578bNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\/C\u590d\u5408\u6b63\u6781\u6750\u6599\u7684\u72ec\u7279\u8f6c\u5316\u673a\u5236\u3002<\/span>\u8fd9\u4e00\u521b\u65b0\u8def\u5f84\u6709\u6548\u907f\u514d\u4e86\u56e0\u6676\u4f53\u6c34\u91ca\u653e\u53ef\u80fd\u5f15\u53d1\u7684\u7ed3\u6784\u635f\u4f24\uff0c\u540c\u65f6\u663e\u8457\u63d0\u5347\u4e86\u6750\u6599\u7684\u7ed3\u6676\u5ea6\u3002<\/span>\u901a\u8fc7\u5b9e\u9a8c\u5206\u6790\u4e0e\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u7814\u7a76\u4eba\u5458\u7cfb\u7edf\u9610\u660e\u4e86Stanfieldite\u578bNa<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u4e0eAlluaudite\u578bNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\u4e4b\u95f4\u7684\u7269\u7406\u5316\u5b66\u6027\u8d28\u5dee\u5f02\uff0c\u5206\u6790\u4e86\u5173\u4e8eNa<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u4e0eNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\u7684\u6df7\u6dc6\u3002<\/span>\u5728-25\u2103\u30010\u2103\u548c60\u2103\u7684\u5168\u6c14\u5019\u6761\u4ef6\u4e0b\u6d4b\u8bd5\u4e2d\uff0cNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\/C\u590d\u5408\u6b63\u6781\u6750\u6599\u8868\u73b0\u51fa\u5353\u8d8a\u7684\u7535\u5316\u5b66\u6027\u80fd\uff1a<\/span>\u57281C\u500d\u7387\u4e0b\u7ecf\u8fc7100\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u8d85\u8fc790%\uff0c\u57282C\u500d\u7387\u4e0b200\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u8d85\u8fc795%\u3002<\/span>\u6b64\u5916\uff0c\u57fa\u4e8eNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\/C\u590d\u5408\u6b63\u6781\u548c\u786c\u78b3\uff08HC\uff09\u8d1f\u6781\u7ec4\u88c5\u7684\u5168\u7535\u6c60\u5c55\u73b0\u51fa\u4f18\u5f02\u7684\u500d\u7387\u6027\u80fd\u4e0e\u957f\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e86\u5176\u5728\u5546\u4e1a\u89c4\u6a21\u50a8\u80fd\u5e94\u7528\u4e2d\u7684\u5de8\u5927\u6f5c\u529b\u3002<\/span><\/p>\n

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\n \u56fe1\uff1a<\/span>\u5c55\u793a\u4e86\u4eceStanfieldite\u578bNa<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u5236\u5907Alluaudite\u578bNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\u7684\u5168\u65b0\u5408\u6210\u8def\u5f84\uff0c\u4ee5\u53ca\u901a\u8fc7XRD\u5bf9\u6bd4\u7814\u7a76\u4e86\u4e8c\u8005\u5dee\u5f02\u5316\u7684\u6676\u4f53\u7ed3\u6784\u3002<\/span><\/p>\n

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\n \u56fe2\uff1a<\/span>\u5c55\u793a\u4e86Stanfieldite\u578bNa<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u52a0\u70ed\u8f6c\u53d8\u4e3aAlluaudite\u578bNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\u8fc7\u7a0b\u4e2d\u7684\u70ed\u91cd-\u5dee\u793a\u626b\u63cf\u91cf\u70ed\u5206\u6790\uff08TG-DSC\uff09\u66f2\u7ebf\u548c\u975e\u539f\u4f4dXRD\u6f14\u53d8\u66f2\u7ebf\uff0c\u4ee5\u53ca\u5bf9\u6bd4\u7814\u7a76\u4e86\u4e8c\u8005\u7684Raman\u5149\u8c31\u3001FT-IR\u5149\u8c31\u548cXPS\u5149\u8c31\u3002<\/span><\/p>\n

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\n \u56fe3\uff1a<\/span>DFT\u8ba1\u7b97\u5bf9\u6bd4\u7814\u7a76\u4e86Na<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\u548cNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\u7684\u94a0\u79bb\u5b50\u6269\u6563\u52a8\u529b\u5b66\uff0c\u5305\u62ec\u80fd\u5e26\u7ed3\u6784\u3001\u94a0\u79bb\u5b50\u6269\u6563\u901a\u9053\u548c\u94a0\u79bb\u5b50\u8fc1\u79fb\u52bf\u5792\u3002<\/span><\/p>\n

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\n \u56fe4\uff1a<\/span>\u5c55\u793a\u4e86\u5236\u5907\u7684Alluaudite\u578bNa<\/span>2<\/span><\/sub>Fe(SO<\/span>4<\/span><\/sub>)<\/span>2<\/span><\/sub>\/C\u590d\u5408\u6b63\u6781\u6750\u6599\u5728\u534a\u7535\u6c60\u4e2d\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u5305\u62ec\u5145\u653e\u7535\u66f2\u7ebf\u3001\u94a0\u79bb\u5b50\u6269\u6563\u7cfb\u6570\u8ba1\u7b97(GITT)\u3001\u7535\u5316\u5b66\u963b\u6297\u8c31\uff08EIS\uff09\u3001\u500d\u7387\u6027\u80fd\u548c\u957f\u5faa\u73af\u7a33\u5b9a\u6027\u3002<\/span><\/p>\n

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\n \u56fe5\uff1a<\/span>\u5c55\u793a\u4e86\u5236\u5907\u7684Alluaudite\u578bNa<\/span>2+2\u03b4<\/span><\/sub>Fe<\/span>2-\u03b4<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>\/C\u590d\u5408\u6b63\u6781\u6750\u6599\u4f18\u5f02\u7684\u9ad8\u4f4e\u6e29\u7535\u5316\u5b66\u6027\u80fd\uff0c\u5305\u62ec1C\u548c2C\u500d\u7387\u4e0b\u7684\u957f\u5faa\u73af\u7a33\u5b9a\u6027\u3001\u4ee5\u53ca\u5c06\u5176\u548c\u5546\u4e1a\u5316\u786c\u78b3(HC)\u7ec4\u88c5\u6210\u7684\u94a0\u79bb\u5b50\u5168\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\u548c\u957f\u5faa\u73af\u7a33\u5b9a\u6027<\/span><\/p>\n

\u3010\u672c\u6587\u8981\u70b9\u3011<\/p>\n

\u8981\u70b9\u4e00\uff1a\u9996\u6b21\u63ed\u793a\u65e0\u6c34Stanfieldite\u578bNa2<\/sub>Fe(SO4<\/sub>)2<\/sub>\u524d\u9a71\u4f53\u5411Alluaudite\u578bNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\u8f6c\u5316\u7684\u72ec\u7279\u673a\u5236<\/strong><\/p>\n

\u7814\u7a76\u5f00\u53d1\u4e86\u4e00\u79cd\u5168\u65b0\u7684\u6eb6\u80f6-\u51dd\u80f6\u5408\u6210\u65b9\u6cd5\uff0c\u6210\u529f\u5b9e\u73b0\u4ece\u65e0\u6c34Stanfieldite\u578bNa2<\/sub>Fe(SO4<\/sub>)2<\/sub>\u524d\u9a71\u4f53\u5236\u5907\u5177\u6709\u6210\u672c\u6548\u76ca\u7684Alluaudite\u578bNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\u6b63\u6781\u6750\u6599\u3002\u8be5\u65b9\u6cd5\u6709\u6548\u89c4\u907f\u4e86\u4f20\u7edf\u4f7f\u7528\u6c34\u5408\u524d\u9a71\u4f53Na2<\/sub>Fe(SO4<\/sub>)2<\/sub>\u00b74H2<\/sub>O\u65f6\uff0c\u7531\u4e8e\u6676\u4f53\u6c34\u91ca\u653e\u5bfc\u81f4\u7684\u6f5c\u5728\u7ed3\u6784\u635f\u4f24\u95ee\u9898\uff0c\u4e3a\u5236\u5907\u9ad8\u6027\u80fdAlluaudite\u578bNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\u6b63\u6781\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\u3002<\/p>\n

\u8981\u70b9\u4e8c\uff1a\u5206\u6790\u4e86Na2<\/sub>Fe(SO4<\/sub>)2<\/sub>\u4e0eNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\u7684\u6df7\u6dc6<\/strong><\/p>\n

\u901a\u8fc7\u5b9e\u9a8c\u8868\u5f81\u4e0e\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u7cfb\u7edf\u9610\u660e\u4e86Stanfieldite\u578bNa2<\/sub>Fe(SO4<\/sub>)2<\/sub>\u4e0eAlluaudite\u578bNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\u5728\u6676\u4f53\u7ed3\u6784\u548c\u7535\u5316\u5b66\u6027\u8d28\u4e0a\u7684\u672c\u8d28\u533a\u522b\uff0c\u4e3a\u94a0\u79bb\u5b50\u7535\u6c60Alluaudite\u578bNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\u6b63\u6781\u6750\u6599\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u79d1\u5b66\u4f9d\u636e\u3002<\/p>\n

\u8981\u70b9\u4e09\uff1a\u8bc1\u5b9eNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\/C\u590d\u5408\u6b63\u6781\u5728\u5168\u5929\u5019\u50a8\u80fd\u9886\u57df\u7684\u5e94\u7528\u6f5c\u529b<\/strong><\/p>\n

\u5728-25 \u00b0C\u30010 \u00b0C\u548c60 \u00b0C\u7684\u5168\u6c14\u5019\u6761\u4ef6\u4e0b\u6d4b\u8bd5\u4e2d\uff0cNa2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\/C\u590d\u5408\u6b63\u6781\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u5faa\u73af\u6027\u80fd\u3002\u57281C\u500d\u7387\u4e0b\uff0c100\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u8d85\u8fc790%\uff1b\u57282C\u500d\u7387\u4e0b\uff0c200\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u8d85\u8fc795%\u3002\u8fd9\u4e00\u7ed3\u679c\u4e0d\u4ec5\u4e3a\u4f4e\u6210\u672c\u3001\u9ad8\u6027\u80fd\u94a0\u79bb\u5b50\u7535\u6c60\u7684\u5f00\u53d1\u63d0\u4f9b\u4e86\u65b0\u65b9\u5411\uff0c\u4e5f\u4e3a\u5176\u5728\u5927\u89c4\u6a21\u50a8\u80fd\u9886\u57df\u7684\u5546\u4e1a\u5316\u5e94\u7528\u5960\u5b9a\u4e86\u575a\u5b9e\u57fa\u7840\u3002<\/p>\n

\u6587\u7ae0\u94fe\u63a5\uff1a<\/p>\n

Transitioning from anhydrous Stanfieldite-type Na2<\/sub>Fe(SO4<\/sub>)2<\/sub>\u00a0Precursor to Alluaudite-type Na2+2\u03b4<\/sub>Fe2-\u03b4<\/sub>(SO4<\/sub>)3<\/sub>\/C composite cathode: A pathway to cost-effective and all-climate sodium-ion batteries
\n https:\/\/doi.org\/10.1016\/j.ensm.2024.103925<\/a><\/p>\n

\u3010\u901a\u8baf\u4f5c\u8005\u7b80\u4ecb\u3011<\/p>\n

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\u3010\u7b2c\u4e00\u4f5c\u8005\u4ecb\u7ecd\u3011<\/p>\n

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