{"id":207015,"date":"2020-08-10T06:30:38","date_gmt":"2020-08-09T22:30:38","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=207015"},"modified":"2020-08-09T21:31:59","modified_gmt":"2020-08-09T13:31:59","slug":"%e8%b7%9f%e7%9d%80%e9%a1%b6%e5%88%8a%e5%ad%a6%e6%b5%8b%e8%af%95%ef%bd%9c%e5%8d%8e%e5%8d%97%e7%90%86%e5%b7%a5%e5%a4%a7%e5%ad%a6%e5%bc%a0%e7%a3%8a%e6%95%99%e6%8e%88angew-%e5%8e%9f%e4%bd%8d","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=207015","title":{"rendered":"\u8ddf\u7740\u9876\u520a\u5b66\u6d4b\u8bd5\uff5c\u534e\u5357\u7406\u5de5\u5927\u5b66\u5f20\u78ca\u6559\u6388Angew:\u00a0\u539f\u4f4d\u900f\u5c04\u7535\u955c\u63ed\u793a\u5408\u91d1\u578b\u94be\u79bb\u5b50\u7535\u6c60\u9633\u6781\u7eb3\u7c73\u7ed3\u6784\u8bbe\u8ba1\u7684\u8fdb\u5c55"},"content":{"rendered":"<p>\u7531\u4e8e\u5730\u58f3\u4e2d\u7684\u94be\u542b\u91cf\u8f83\u9ad8\uff08\u94be\u542b\u91cf\u4e3a1.5%\uff0c\u9502\u542b\u91cf\u4e3a0.0017%\uff09\uff0c\u94be\u79bb\u5b50\u7535\u6c60\uff08PIBs\uff09\u88ab\u8ba4\u4e3a\u662f\u5927\u89c4\u6a21\u50a8\u80fd\u5e94\u7528\u7684\u6f5c\u5728\u5019\u9009\u7535\u6c60\uff0c\u76f8\u5bf9\u8f83\u4f4e\u7684K<sup>+<\/sup>\/K\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\uff08\u22122.93 V vs.SHE\uff09\u5141\u8bb8PIBs\u83b7\u5f97\u66f4\u9ad8\u7684\u80fd\u91cf\u5bc6\u5ea6\u3002\u8fc4\u4eca\u4e3a\u6b62\uff0cPIBs\u4ecd\u5904\u4e8e\u63a2\u7d22\u7684\u521d\u7ea7\u9636\u6bb5\uff0cPIBs\u53d1\u5c55\u7684\u6700\u5927\u969c\u788d\u662f\u7f3a\u4e4f\u80fd\u591f\u9002\u5e94\u5927\u5c3a\u5bf8K<sup>+<\/sup>\u91cd\u590d\u63d2\u5165\/\u63d0\u53d6\u7684\u5408\u9002\u7535\u6781\u6750\u6599\u3002\u5bf9\u4e8ePIBs\u7684\u9633\u6781\u6750\u6599\uff0c\u76ee\u524d\u5df2\u7ecf\u5f00\u53d1\u4e86\u63d2\u5c42\u578b\u3001\u8f6c\u6362\u578b\u3001\u548c\u5408\u91d1\u578b\u7b49\u51e0\u79cd\u7c7b\u578b\u7684\u6750\u6599\u3002\u5176\u4e2d\uff0c\u5408\u91d1\u578b\u6750\u6599(\u5982P\u3001Sn\u3001Sb\u3001Bi)\u7531\u4e8e\u5177\u6709\u8f83\u9ad8\u7684\u7406\u8bba\u5bb9\u91cf\u548c\u8f83\u4f4e\u7684\u53cd\u5e94\u7535\u4f4d(\u7ea60.1-0.8 V vs. K<sup>+<\/sup>\/K)\uff0c\u5f15\u8d77\u4e86\u4eba\u4eec\u5bf9PIBs\u7684\u6781\u5927\u5174\u8da3\uff0c\u8fd9\u4e9b\u7279\u5f81\u6709\u5229\u4e8e\u6784\u5efa\u9ad8\u80fd\u5bc6\u5ea6\u7684PIBs\u3002\u7136\u800c\uff0c\u4e4b\u524d\u7684\u7ed3\u6784\u5de5\u7a0b\u7f3a\u4e4f\u53ef\u89c6\u7684\u7ed3\u679c\u4f5c\u4e3a\u8fdb\u4e00\u6b65\u6307\u5bfcPIBs\u7535\u6781\u6750\u6599\u8bbe\u8ba1\u7684\u76f4\u63a5\u8bc1\u636e\uff0c\u5bfc\u81f4\u8be5\u7b56\u7565\u5728PIBs\u4e2d\u53d1\u5c55\u7f13\u6162\u3002\u539f\u4f4d\u900f\u5c04\u7535\u955c\u53ef\u4ee5\u63d0\u4f9b\u7535\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u4e2d\u7535\u6781\u6750\u6599\u7ed3\u6784\u53d8\u5316\u7684\u5b9e\u65f6\u4fe1\u606f\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u7531\u4e8e\u539f\u4f4dTEM\u5177\u6709\u8f83\u9ad8\u7684\u5206\u8fa8\u7387\uff0c\u5728\u76f4\u63a5\u89c2\u5bdf\u7535\u5316\u5b66\u53cd\u5e94\u8fc7\u7a0b\u548c\u6307\u5bfc\u7eb3\u7c73\u7ed3\u6784\u8bbe\u8ba1\u65b9\u9762\u5177\u6709\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-207016 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72471-10.png\" alt=\"\" width=\"600\" height=\"251\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72471-10.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72471-10-300x126.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u8fd1\u65e5\uff0c\u534e\u5357\u7406\u5de5\u5927\u5b66\u5f20\u78ca\u6559\u6388\u4ee5\u201cUnveiling the Advances of Nanostructure Design for Alloy-Type\u00a0Potassium-Ion Battery Anode via In Situ TEM\u201d\u4e3a\u9898\u5728<em><i>Angew. Chem. Int. Ed.<\/i><\/em>\u671f\u520a\u4e0a\u53d1\u8868\u91cd\u8981\u7814\u7a76\u6210\u679c\u3002\u8be5\u56e2\u961f\u7ed3\u5408\u65b0\u9896\u7684\u7eb3\u7c73\u7ed3\u6784\u8bbe\u8ba1\u548c\u539f\u4f4d\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08TEM\uff09\u89c2\u5bdf\uff0c\u8bc1\u660e\u4e86\u7531\u6838\u58f3\u6784\u5efa\u5355\u5143\u7ec4\u6210\u7684Sb\u57fa\u7eb3\u7c73\u7ea4\u7ef4\u53ef\u4ee5\u663e\u8457\u5730\u6539\u8fdb\u94be\u79bb\u5b50\u7535\u6c60(PIBs)\u7684\u9633\u6781\u3002\u7279\u522b\u5730\u662f\uff0c\u4f5c\u8005\u63d0\u51fa\u4e86\u4e00\u79cd\u91d1\u5c5e\u6709\u673a\u6846\u67b6\uff08MOFs\uff09\u53c2\u4e0e\u7684\u9759\u7535\u7eba\u4e1d\u7b56\u7565\uff0c\u8be5\u7b56\u7565\u4e0e\u53d7\u9650\u79bb\u5b50\u4ea4\u6362\u8026\u5408\uff0c\u7136\u540e\u518d\u8fdb\u884c\u70ed\u8fd8\u539f\u6765\u5236\u5907\u6838\u58f3Sb@C\u7eb3\u7c73\u76d2\u5d4c\u5165\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u4e2d(Sb@CNFs). \u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5728\u5408\u91d1\u5316\/\u8131\u5408\u91d1\u8fc7\u7a0b\u4e2d\uff0cSb\u7eb3\u7c73\u9897\u7c92\u5185\u90e8\u53d1\u751f\u4e86\u660e\u663e\u7684\u4f53\u79ef\u81a8\u80c0\/\u6536\u7f29\uff0c\u800c\u7a7a\u9699\u7a7a\u95f4\u53ef\u4ee5\u6709\u6548\u5730\u7f13\u89e3\u6574\u4f53\u4f53\u79ef\u53d8\u5316\uff0c\u5851\u6027\u7684\u78b3\u58f3\u4fdd\u6301\u4e86\u7535\u6781\u6750\u6599\u7684\u7ed3\u6784\u5b8c\u6574\u6027\u3002<\/p>\n<p>\u6b63\u5982\u56fe1a\u6240\u793a\uff0cSb@CNFs\u88ab\u5408\u6210\u662f\u901a\u8fc7MOFs\u53c2\u4e0e\u7684\u9759\u7535\u7eba\u4e1d\u7b56\u7565\u4e0e\u53d7\u9650\u79bb\u5b50\u4ea4\u6362\u8026\u5408\uff0c\u968f\u540e\u8fdb\u884c\u70ed\u8fd8\u539f\u5408\u6210\u7684\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u5c06\u5e73\u5747\u5c3a\u5bf8\u4e3a600-800 nm\u7684\u5747\u5300\u7684\u6cb8\u77f3\u57fa\u54aa\u5511\u9aa8\u67b6ZIF-8\u524d\u4f53\u7ecf\u9759\u7535\u7eba\u4e1d\u65b9\u6cd5\u5305\u88f9\u5e76\u4e32\u6210\u805a\u4e19\u70ef\u8148(PAN)\u7eb3\u7c73\u7ea4\u7ef4\uff0c\u5f97\u5230ZIF-8@PAN\u590d\u5408\u6750\u6599\uff0c\u5448\u9879\u94fe\u72b6\u3002Sb@CNFs\u7684\u626b\u63cf\u7535\u955c(SEM)\u56fe\u50cf\u5982\u56fe1b\u663e\u793a\uff0cZIF-8@PAN\u7684\u6574\u4f53\u7ed3\u6784\u5448\u9879\u94fe\u72b6\u5f62\u6001\u3002\u6b64\u5916\uff0cSb@C\u7eb3\u7c73\u76d2\u88ab\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u7f20\u7ed5\u5f97\u5f88\u597d\uff0c\u540c\u65f6Sb\u7eb3\u7c73\u9897\u7c92\u88ab\u78b3\u7eb3\u7c73\u76d2\u5305\u88f9\u5f97\u5f88\u5b8c\u6574\u3002\u5177\u4f53\u800c\u8a00\uff0c\u5982\u56fe1c\u6240\u793a\uff0c\u7eb3\u7c73\u76d2\u7684\u5916\u90e8\u78b3\u58f3\u7ecf\u7145\u70e7\u540e\u5411\u5185\u51f9\u9677\uff0c\u5448\u65e0\u88c2\u7eb9\u8936\u76b1\u5f62\u6001\uff0c\u663e\u793a\u51fa\u78b3\u58f3\u5177\u6709\u4f18\u826f\u7684\u67d4\u97e7\u6027\u548c\u5f39\u6027\u3002TEM\u56fe\u50cf\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u4e86Sb@C\u5178\u578b\u7684\u6838\u58f3\u7ed3\u6784(\u5982\u56fe1d,e)\uff0c\u53ef\u4ee5\u89c2\u5bdf\u5230\u6838\u5185\u90e8\u548c\u58f3\u4e4b\u95f4\u6709\u660e\u786e\u7684\u7a7a\u9699\uff0c\u78b3\u58f3\u539a\u5ea6\u7ea6\u4e3a40 nm\u3002\u6b64\u5916\uff0c\u9ad8\u5206\u8fa8\u7387TEM (HRTEM)\u56fe\u50cf(\u5982\u56fe1f)\u6e05\u6670\u5730\u5c55\u793a\u4e86\u7eb3\u7c73\u7c92\u5b50\u5185\u90e8\u7684\u6676\u683c\u6761\u7eb9\uff0c\u5c42\u95f4\u8ddd\u7ea6\u4e3a0.31 nm\uff0c\u8fd9\u53ef\u4ee5\u5f52\u56e0\u4e8e\u9511\u7684(012)\u6676\u683c\u9762\u3002\u9ad8\u89d2\u5ea6\u73af\u5f62\u6697\u573a\u626b\u63cf\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c(HAADF-STEM)\u548c\u76f8\u5e94\u7684\u5143\u7d20(Sb, C, N)\u6620\u5c04\u56fe\u50cf\u7684Sb@CNFs(\u5982\u56fe1g)\u8fdb\u4e00\u6b65\u8bc1\u5b9e\u4e86Sb\u7eb3\u7c73\u9897\u7c92\u88ab\u5f88\u597d\u7684\u5305\u88f9\u5728\u8584\u7684\u78b3\u7eb3\u7c73\u76d2\u4e2d\u3002<\/p>\n<p><strong><b>\u56fe1. <\/b><\/strong><strong><b>(a) Sb@CNFs\u7684\u5408\u6210\u5de5\u827a\u793a\u610f\u56fe\u3002(b, c)\u4e0d\u540c\u653e\u5927\u500d\u6570\u4e0bSb@CNFs\u7684SEM\u56fe\u50cf\u3002(d, e)\u4e0d\u540c\u653e\u5927\u7387\u4e0bSb@CNFs\u7684TEM\u56fe\u50cf\u3002(f) HRTEM\u548c(g) Sb@CNFs<\/b><\/strong><strong><b>\u7684<\/b><\/strong><strong><b>HAADF-STEM\u56fe\u50cf\u548cSb, C, N\u5143\u7d20\u6620\u5c04\u56fe\u50cf\u3002<\/b><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-207017 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72472-10.png\" alt=\"\" width=\"600\" height=\"598\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72472-10.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72472-10-150x150.png 150w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72472-10-300x300.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u57280.01-2.0 V\u7535\u538b\u7a97\u53e3(\u76f8\u5bf9\u4e8eK<sup>+<\/sup>\/K)\u6761\u4ef6\u4e0b\uff0c\u4f5c\u8005\u8fdb\u4e00\u6b65\u7814\u7a76\u4e86Sb@CNFs\u4f5c\u4e3aPIBs\u9633\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u4e3a\u4e86\u6bd4\u8f83\uff0c\u4f5c\u8005\u4f7f\u7528Sb\u548c\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u4f5c\u4e3a\u5bf9\u6bd4\u6837\u3002\u5982\u56fe2a\u6240\u793a\uff0c\u5728\u626b\u63cf\u901f\u7387\u4e3a0.1 mV s<sup>-1<\/sup>\u65f6\uff0c\u6d4b\u91cf\u4e86Sb@CNFs\u7535\u6781\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf(CV)\u3002\u5728\u7b2c\u4e00\u6b21\u9634\u6781\u626b\u63cf\u65f6\uff0c\u53ef\u4ee5\u660e\u663e\u5730\u770b\u5230\u5206\u522b\u4f4d\u4e8e1.16\u30010.85\u30010.33\u548c0.06 V\u7684\u56db\u4e2a\u5cf0\u3002\u7b2c\u4e00\u4e2a\u5cf0\u503c(1.16 V)\u53ef\u4ee5\u5f52\u56e0\u4e8e\u56fa\u6001\u7535\u89e3\u8d28\u5c42(SEI)\u7684\u751f\u6210\u53cd\u5e94\u3002\u968f\u540e\u51fa\u73b0\u7684\u4e24\u4e2a\u5cf0(0.85 V\u548c0.33 V)\u5206\u522b\u5f52\u56e0\u4e8e\u91d1\u5c5eSb\u4e0eK<sup>+<\/sup>\u53cd\u5e94\u5f62\u6210K<sub>x<\/sub>Sb\uff0c\u968f\u540eK<sub>x<\/sub>Sb\u8f6c\u5316\u4e3aK<sub>3<\/sub>Sb\u3002\u5728\u968f\u540e\u7684\u9633\u6781\u626b\u63cf\u4e2d\uff0c\u57280.81 V\u7684\u5f3a\u5cf0\u548c1.32 V\u7684\u5f31\u5cf0\u662f\u7531\u4e8eK<sub>3<\/sub>Sb\u5230\u975e\u6676\u6001K<sub>x<\/sub>Sb\u518d\u5230Sb\u7684\u53bb\u6781\u5316\u8fc7\u7a0b\u3002<\/p>\n<p><strong><b>\u56fe2<\/b><\/strong><strong><b>.<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>(a)\u4ecb\u4e8e0.01\u548c2.00 V<\/b><\/strong><strong><b>\u4e14<\/b><\/strong><strong><b>\u626b\u63cf\u901f\u7387\u4e3a0.1 mV s<\/b><\/strong><strong><sup><b>\u22121<\/b><\/sup><\/strong><strong><b>\u7684Sb@CNFs \u524d\u4e09<\/b><\/strong><strong><b>\u5708\u7684<\/b><\/strong><strong><b>CV\u3002(b)\u57280.1\u81f32.0 A g<\/b><\/strong><strong><sup><b>-1<\/b><\/sup><\/strong><strong><b>\u7684\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0bSb@CNFs\u3001Sb\u548cCNFs\u7684<\/b><\/strong><strong><b>\u500d\u7387<\/b><\/strong><strong><b>\u6027\u80fd\u5bf9\u6bd4\u3002(c) Sb @CNFs\u3001Sb\u548cCNFs\u5728200 mA g<\/b><\/strong><strong><sup><b>\u22121<\/b><\/sup><\/strong><strong><b>\u65f6\u7684\u5faa\u73af\u6027\u80fd\u4ee5\u53caSb@CNFs\u7684\u5e93\u4f26\u6548\u7387\u3002(d)\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a1000 mA g<\/b><\/strong><strong><sup><b>-1<\/b><\/sup><\/strong><strong><b>\u65f6Sb@CNFs\u8d85\u8fc71000\u6b21<\/b><\/strong><strong><b>\u7684<\/b><\/strong><strong><b>\u957f\u671f\u5faa\u73af\u6027\u80fd\u548c\u5e93\u4f26\u6548\u7387\u3002<\/b><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-207018 size-full\" src=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72473-11.png\" alt=\"\" width=\"600\" height=\"653\" srcset=\"http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72473-11.png 600w, http:\/\/www.cailiaoniu.com\/wp-content\/uploads\/2020\/08\/\u56fe\u72473-11-276x300.png 276w\" sizes=\"(max-width: 600px) 100vw, 600px\" 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Chem. Int. 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