{"id":230037,"date":"2021-11-23T06:38:20","date_gmt":"2021-11-22T22:38:20","guid":{"rendered":"\/\/m.iemloyee.com\/?p=230037"},"modified":"2021-11-22T21:38:31","modified_gmt":"2021-11-22T13:38:31","slug":"nature-materials%ef%bc%9a%e4%b8%a4%e6%80%a7%e7%a6%bb%e5%ad%90%e6%9d%90%e6%96%99%e5%8f%8a%e5%85%b6%e4%bd%9c%e4%b8%ba%e9%9d%9e%e6%8c%a5%e5%8f%91%e6%80%a7%e5%9b%ba%e4%bd%93%e6%88%96%e6%b6%b2%e4%bd%93","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=230037","title":{"rendered":"Nature Materials\uff1a\u4e24\u6027\u79bb\u5b50\u6750\u6599\u53ca\u5176\u4f5c\u4e3a\u975e\u6325\u53d1\u6027\u56fa\u4f53\u6216\u6db2\u4f53\u7535\u89e3\u8d28"},"content":{"rendered":"<p><strong><b>\u80cc\u666f\u4ecb\u7ecd<\/b><\/strong><\/p>\n<p><strong><b>\u4e24\u6027\u79bb\u5b50<\/b><\/strong>\u6307\u5728\u6eb6\u6db2\u4e2d\u65e2\u80fd\u548c\u6c22\u79bb\u5b50\uff0c\u53c8\u80fd\u548c\u6c22\u6c27\u6839\u79bb\u5b50\u53cd\u5e94\u7684\u79bb\u5b50\u6216\u7269\u8d28\u3002\u4e24\u6027\u79bb\u5b50\u6750\u6599\u8868\u73b0\u51fa\u72ec\u7279\u7684\u7279\u6027\uff0c\u5e76\u4e14\u901a\u8fc7\u5bf9\u5171\u4ef7\u7ed3\u5408\u7684\u9633\u79bb\u5b50\u548c\u9634\u79bb\u5b50\u57fa\u56e2\u7684\u53d8\u5316\u800c\u9ad8\u5ea6\u53ef\u8c03\u3002\u5c3d\u7ba1\u8fc4\u4eca\u4e3a\u6b62\u5df2\u62a5\u9053\u4e86\u5176\u5e7f\u6cdb\u7684\u6027\u80fd\u548c\u6f5c\u5728\u7528\u9014\uff0c<strong><b>\u4f46\u5728\u7535\u89e3\u8d28\u5e94\u7528\u65b9\u9762\uff0c\u8fc4\u4eca\u4e3a\u6b62\u5b83\u4eec\u4e3b\u8981\u7528\u4f5c\u6dfb\u52a0\u5242\u6216\u5236\u5907\u805a\u5408\u7269\u51dd\u80f6\u3002\u7136\u800c\uff0c\u4e24\u6027\u79bb\u5b50\u4f5c\u4e3a\u975e\u6325\u53d1\u6027\u3001\u5e26\u7535\u4f46\u4e0d\u8fc1\u79fb\u7684\u7535\u89e3\u8d28\u57fa\u4f53\u6750\u6599\u63d0\u4f9b\u4e86\u8bf1\u4eba\u7684\u524d\u666f<\/b><\/strong>\u3002<\/p>\n<p><strong><b>\u6210\u679c\u7b80\u4ecb<\/b><\/strong><\/p>\n<p>\u6fb3\u5927\u5229\u4e9a\u8fea\u80af\u5927\u5b66Jennifer M. 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(\u56fe3a)\u3002\u7535\u5316\u5b66\u963b\u6297\u8c31\u8868\u660e\u4f53\u7535\u963b\u4e0d\u53d8\uff0c\u754c\u9762\u7535\u963b\u5c0f\u5e45\u589e\u52a0\uff0c\u4e0eSEI\u5c42\u7684\u751f\u957f\u4e00\u81f4\u3002<strong><b>\u5bf9\u500d\u7387\u6027\u80fd\u7684\u7814\u7a76(\u56fe3b)\u8868\u660e\uff0c\u968f\u7740\u7535\u6d41\u5bc6\u5ea6\u7684\u589e\u52a0\uff0c\u6781\u5316\u7535\u4f4d\u7f13\u6162\u589e\u52a0\uff0c\u4f46\u57280.2mAcm<\/b><\/strong><strong><sup><b>-2<\/b><\/sup><\/strong><strong><b>\u7684~0.3V\u65f6\uff0c\u6781\u5316\u7535\u4f4d\u4ecd\u7136\u5f88\u4f4e\u3002\u8fd9\u8bc1\u5b9e\u4e86\u4e24\u6027\u79bb\u5b50\u7535\u89e3\u8d28\u4e0e\u9502\u91d1\u5c5e\u7684\u76f8\u5bb9\u6027<\/b><\/strong>\u3002\u672c\u5de5\u4f5c\u63a5\u4e0b\u6765\u8bc4\u4f30\u4e86\u65b0\u7535\u89e3\u6db2\u5728\u5168\u91d1\u5c5e\u9502\u7535\u6c60\u4e2d\u7684\u5faa\u73af\u7a33\u5b9a\u6027(\u56fe3c)\u3002LiFePO<sub>4<\/sub>(LFP)\u6b63\u6781\u622a\u6b62\u7535\u538b\u4e3a3.8V\uff0c\u4f4e\u4e8eZI (1)\/10mol%-LiFSI\u7535\u89e3\u6db2\u6d4b\u5f97\u7684~5V\u9633\u6781\u7a33\u5b9a\u6781\u9650\u3002\u8be5\u7535\u6c60\u5177\u6709\u7a33\u5b9a\u7684\u5faa\u73af\u6027\u80fd\uff0c\u9996\u6b21\u653e\u7535\u5bb9\u91cf\u4e3a84mAhg<sup>-1<\/sup>\uff0c\u7ecf\u8fc7150\u6b21\u5faa\u73af\u7684\u826f\u597d\u5bb9\u91cf\u4fdd\u6301\u7387\u9ad8\u8fbe95%\uff0c140\u6b21\u5faa\u73af\u540e\u5e93\u4ed1\u6548\u7387\u4fdd\u6301\u7387&gt;98.5%\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-230038\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-216.png\" alt=\"\" width=\"600\" height=\"335\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-216.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-216-300x168.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe1. \u4e24\u6027\u79bb\u5b50\u8868\u5f81<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-230039\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-220.png\" alt=\"\" width=\"600\" height=\"688\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-220.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-220-262x300.png 262w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe2. 10 mol% LiFSI\u5728ZI(1)\u4e2d\u7684\u70ed\u4f20\u8f93\u7279\u6027<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-230040\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-221.png\" alt=\"\" width=\"600\" height=\"576\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-221.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-221-300x288.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe3. \u975e\u6c34\u6eb6\u6db2\u548c\u50ac\u5316\u5242\u4fdd\u62a4Cu<sub>2<\/sub>O<\/p>\n<p><strong style=\"line-height: 1.5;\"><b>\u4e8c\u3001\u5421\u54af\u70f7\u57fa\u4e24\u6027\u79bb\u5b50\u805a\u5408\u7269\u590d\u5408\u7535\u89e3\u8d28\u3002<\/b><\/strong><\/p>\n<p>\u4e3a\u4e86\u8fdb\u4e00\u6b65\u5229\u7528\u4e24\u6027\u79bb\u5b50\u5728\u589e\u5f3a\u9776\u79bb\u5b50\u8f93\u8fd0\u65b9\u9762\u7684\u4f18\u52bf\uff0c\u672c\u5de5\u4f5c\u5c0610mol%-LiFSI\/ZI (1)\u7535\u89e3\u8d28\u4e0e10vol%\u7684\u9502\u529f\u80fd\u5316\u805a\u5408\u7269\u7eb3\u7c73\u7c92\u5b50(NPs)\u590d\u5408\uff0c\u91c7\u7528\u5171\u805a\u5408\u6cd5\u5236\u5907\u4e86\u590d\u5408\u7535\u89e3\u8d28\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5728\u6240\u7814\u7a76\u7684\u6e29\u5ea6\u8303\u56f4\u5185(45\u2103\u65f6\u590d\u5408\u6750\u6599\u7684\u7535\u5bfc\u7387\u4e3a1\u00d710<sup>-5<\/sup>mScm<sup>-1<\/sup>\uff0c\u800c\u672a\u6dfb\u52a0\u7eb3\u7c73\u9897\u7c92\u7684\u7535\u5bfc\u7387\u4e3a0.8\u00d710<sup>-5<\/sup>mS cm<sup>-1<\/sup>)\uff0c\u6dfb\u52a010vol%\u7eb3\u7c73\u9897\u7c92\u7684\u590d\u5408\u6750\u6599\u7684\u79bb\u5b50\u7535\u5bfc\u7387(\u56fe4)\u7565\u9ad8\u4e8eLiFSI\/ZI (1)\u7535\u89e3\u8d28\u3002<strong><b>\u56e0\u6b64\uff0c\u5728\u4e0d\u727a\u7272\u5bfc\u7535\u6027\u7684\u60c5\u51b5\u4e0b\uff0c\u5b9e\u73b0\u4e86t<\/b><\/strong><strong><sub><b>Li<\/b><\/sub><\/strong><strong><sup><b>+<\/b><\/sup><\/strong><strong><b>\u7684\u76ee\u6807\u589e\u52a0\u548c\u673a\u68b0\u6027\u80fd\u7684\u6539\u5584<\/b><\/strong>\u3002<sup>7<\/sup>Li\u548c<sup>19<\/sup>f\u6838\u78c1\u5171\u632f\u7ebf\u5bbd\u4e5f\u8bc1\u660e\u4e86\u9502\u79bb\u5b50\u8fc1\u79fb\u7387\u7684\u589e\u52a0(\u56fe4)\uff0c\u5b83\u4eec\u5728\u590d\u5408\u6750\u6599\u4e2d\u7565\u7a84\u3002\u590d\u5408\u6750\u6599\u7684<sup>7<\/sup>Li NMR\u8c31\u4e2d\u5b58\u5728\u4e00\u4e2a\u5355\u5cf0\uff0c\u6bd4\u7eaf\u7eb3\u7c73\u7c92\u5b50\u548c\u7eafLiFSI\u7684\u8c31\u5cf0\u7a8410\u500d\u4ee5\u4e0a\u3002\u8fd9\u4e2a\u5355\u4e00\u7684\u7a84\u5cf0\u8868\u660e\u4e86\u4e00\u4e2a\u8fd0\u52a8\u5e73\u5747\u7684Li\u73af\u5883\uff0c\u5e76\u4e14\u6240\u6709\u7684Li\u9633\u79bb\u5b50\u5728ZI(1)\u5b58\u5728\u4e0b\u6bd4\u5728\u6574\u9f50\u7684\u7eb3\u7c73\u9897\u7c92\u4e2d\u7684\u6d41\u52a8\u6027\u5927\u5f97\u591a\u3002<strong><b>\u4e0eLiFSI\u6216LiFSI\/ZI(1)\u7535\u89e3\u8d28\u76f8\u6bd4\uff0c\u590d\u5408\u7269\u4e2d\u7684<\/b><\/strong><strong><sup><b>7<\/b><\/sup><\/strong><strong><b>Li\u5316\u5b66\u4f4d\u79fb\u66f4\u63a5\u8fd1\u4e8e\u7eaf\u7eb3\u7c73\u7c92\u5b50\uff0c\u8868\u660eLi\u79bb\u5b50\u7684\u78c1\u6027\u73af\u5883\u4e3b\u8981\u7531\u4e0e\u7eb3\u7c73\u7c92\u5b50\u7684\u76f8\u4e92\u4f5c\u7528\u6240\u63a7\u5236<\/b><\/strong>\u3002\u5728Li\u5bf9\u79f0\u7535\u6c60(\u56fe4b)\u4e2d\uff0c\u590d\u5408\u7535\u89e3\u8d28\u8868\u73b0\u51fa\u975e\u5e38\u7a33\u5b9a\u7684Li\u6c89\u79ef\u548c\u6eb6\u89e3\uff0c\u5faa\u73af\u5bff\u547d\u53ef\u8fbe500h\u3002\u8fd9\u662f\u7531\u4e8e\u572850\u2103\u65f6\u5177\u6709\u8f83\u9ad8\u7684\u603b\u79bb\u5b50\u7535\u5bfc\u7387\u548c\u8f83\u9ad8\u7684\u9502\u79bb\u5b50\u7535\u5bfc\u7387(8.7\u00d710<sup>-6<\/sup>S cm<sup>-1<\/sup>)\uff0c\u63d0\u9ad8\u4e86\u9502\u529f\u80fd\u5316\u7eb3\u7c73\u9897\u7c92\u5b58\u5728\u4e0b\u7684Li<sup>+<\/sup>\u8fc1\u79fb\u6570\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-230041\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-222.png\" alt=\"\" width=\"600\" height=\"675\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-222.png 600w, \/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-222-267x300.png 267w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u56fe4. 10\u2009mol% LiFSI\u5728ZI (1)\u53ca\u5176\u4e0e\u9502\u529f\u80fd\u5316\u805a\u5408\u7269\u7eb3\u7c73\u7c92\u5b50\u6df7\u5408\u7269\u4e2d\u7684\u7535\u5bfc\u7387\u3001NMR\u548c\u7535\u6c60\u6027\u80fd<\/p>\n<p><strong style=\"line-height: 1.5;\"><b>\u4e09\u3001\u4e24\u6027\u79bb\u5b50\u6db2\u4f53\u7535\u89e3\u8d28\u3002<\/b><\/strong><\/p>\n<p>\u6700\u540e\uff0c\u4e3a\u4e86\u63a2\u7d22\u5229\u7528\u4e24\u6027\u79bb\u5b50\u4f5c\u4e3a\u975e\u6325\u53d1\u6027\u4ecb\u8d28\u5728\u6db2\u4f53\u7535\u89e3\u8d28\u4e2d\u8fdb\u884c\u9ad8\u9776\u79bb\u5b50\u4f20\u5bfc\u7684\u6709\u6548\u6027\uff0c\u672c\u5de5\u4f5c\u5c06\u9ad8\u9502\u76d0\u542b\u91cf\u4e0e\u5421\u54af\u70f7ZI (1)\u590d\u5408\u3002\u5728ZI (1)\u4e2d\u52a0\u516550mol% LiFSI\u540e\uff0cDSC\u66f2\u7ebf(\u56fe5a)\u4e2d\u53ea\u51fa\u73b0-59\u2103\u7684\u73bb\u7483\u5316\u8f6c\u53d8(Tg)\uff0c\u5ba4\u6e29\u4e0b\u6750\u6599\u4e3a\u6db2\u6001\u3002\u56e0\u6b64\uff0c\u4e24\u6027\u79bb\u5b50\u5f62\u6210\u4e86\u9ad8\u542b\u76d0\u6db2\u4f53\u7535\u89e3\u8d28\u3002\u5728\u4ee5\u5f80\u7684\u79bb\u5b50\u6db2\u4f53\u6216\u5206\u5b50\u6eb6\u5242\u7535\u89e3\u8d28\u7814\u7a76\u4e2d\uff0c\u4f7f\u7528\u5f88\u9ad8\u7684\u76d0\u542b\u91cf\u5df2\u7ecf\u53d6\u5f97\u4e86\u5f88\u597d\u7684\u7ed3\u679c\u3002\u7136\u800c\uff0c\u5728\u8fd9\u4e9b\u4f53\u7cfb\u4e2d\uff0c\u6ce2\u52a8\u6216\u7ade\u4e89\u79bb\u5b50\u8f93\u8fd0\u7684\u95ee\u9898\u4f9d\u7136\u5b58\u5728\u3002<strong><b>\u672c\u5de5\u4f5c\u5236\u5907\u7684\u57fa\u4e8e\u4e24\u6027\u79bb\u5b50\u7684\u7535\u89e3\u8d28\u662f\u975e\u6325\u53d1\u6027\u7684\uff0c\u6ca1\u6709\u7ade\u4e89\u7684\u9633\u79bb\u5b50\u8fc1\u79fb<\/b><\/strong>\u3002<\/p>\n<p>\u4e24\u6027\u79bb\u5b50\u6db2\u4f53\u7535\u89e3\u8d28\u540c\u6837\u5bf9\u9502\u91d1\u5c5e\u8868\u73b0\u51fa\u826f\u597d\u7684\u7a33\u5b9a\u6027(\u56fe5b)\u3002\u672c\u5de5\u4f5c\u5728\u6bcf\u4e2a\u7535\u6d41\u4e0b\u65bd\u52a0\u4e00\u4e2a\u5c0f\u65f6\u7684\u7535\u6d41\u5bc6\u5ea6\u8303\u56f4\uff0c\u53ef\u8fbe0.5mAcm<sup>-2<\/sup>\uff0c\u5171\u4e94\u4e2a\u5faa\u73af\u3002\u9502\u7684\u5265\u79bb\u548c\u7535\u9540\u5373\u4f7f\u57280.5 m Acm<sup>-2<\/sup>\u4e0b\u4e5f\u5177\u6709\u826f\u597d\u7684\u7a33\u5b9a\u6027\u548c\u4f4e\u6781\u5316\u7535\u4f4d\u3002\u91cd\u8981\u7684\u662f\uff0c\u5f53\u7535\u6d41\u5bc6\u5ea6\u6062\u590d\u52300.05mAcm<sup>-2<\/sup>\u65f6\uff0c\u4f4e\u8fc7\u7535\u4f4d\u6062\u590d\u3002\u8fd9\u79cd\u7a33\u5b9a\u6027\u57280.2 mAcm<sup>-2<\/sup>\u00a0(0.2mAhcm<sup>-2<\/sup>)\u7684\u957f\u671f\u5faa\u73af\u4e2d\u4e5f\u5f97\u5230\u4e86\u4fdd\u6301\u3002\u8fc7\u7535\u4f4d\u4fdd\u6301\u5728\u8f83\u4f4e\u7684\u6c34\u5e73\uff0c\u7a33\u5b9a\u5728~80mV\uff0c\u572865\u4e2a\u5faa\u73af\u540e\u4ec5\u4ec5\u964d\u81f3~70mV\u3002\u8fd9\u5f52\u56e0\u4e8e\u4f4e\u7684\u5185\u963b\uff0c\u5e76\u4e14\u4e0e\u5bfc\u7535SEI\u819c\u7684\u5f62\u6210\u4e00\u81f4\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-230042\" src=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-223.png\" alt=\"\" width=\"548\" height=\"762\" srcset=\"\/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-223.png 548w, \/\/m.iemloyee.com\/wp-content\/uploads\/2021\/11\/\u56fe\u7247-223-216x300.png 216w\" sizes=\"(max-width: 548px) 100vw, 548px\" \/><\/p>\n<p>\u56fe5. \u6db2\u600150 mol% LiFSI\u5728ZI(1)\u7535\u89e3\u6db2\u4e2d\u7684\u7535\u5bfc\u7387\u548c\u7535\u6c60\u6027\u80fd<\/p>\n<p><strong style=\"line-height: 1.5;\"><b>\u56db\u3001\u7ed3\u8bba\u4e0e\u5c55\u671b<\/b><\/strong><strong style=\"line-height: 1.5;\"><b>\u3002<\/b><\/strong><\/p>\n<p><strong><b>\u603b\u4e4b\uff0c\u672c\u6587\u62a5\u544a\u4e86\u4e00\u7cfb\u5217\u4e24\u6027\u79bb\u5b50\u6750\u6599\uff0c\u8be5\u6750\u6599\u5177\u6709\u53ef\u5851\u6027\u3001\u52a8\u529b\u5b66<\/b><\/strong><strong><b>\u7a33\u5b9a<\/b><\/strong><strong><b>\u548c\u5e76\u4e14\u53ef\u4f5c\u4e3a\u4e0d\u6325\u53d1\u3001\u4e0d\u8fc1\u79fb\u7684\u7535\u89e3\u8d28\u57fa\u8d28\u3002<\/b><\/strong>\u4e09\u79cd\u521d\u6b65\u7684\u65b9\u6cd5\u88ab\u7528\u6765\u8bc1\u660e\u8fd9\u7c7b\u6750\u6599\u7684\u666e\u9002\u6027\uff1a(1)\u672c\u5de5\u4f5c\u5408\u6210\u7684\u4e24\u6027\u79bb\u5b50\u53ef\u4ee5\u4f5c\u4e3a\u57fa\u8d28\u6750\u6599\u63d0\u4f9b\u975e\u6325\u53d1\u6027\uff0c\u79bb\u5b50\u5bfc\u7535\u7684\u56fa\u4f53\u4ecb\u8d28\uff0c\u800c\u4e0d\u5fc5\u7ade\u4e89\u79bb\u5b50\u4f20\u8f93\uff1b(2) 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