{"id":228455,"date":"2021-10-21T06:43:59","date_gmt":"2021-10-20T22:43:59","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=228455"},"modified":"2021-10-21T11:26:57","modified_gmt":"2021-10-21T03:26:57","slug":"%e5%a4%a7%e8%bf%9e%e5%8c%96%e7%89%a9%e6%89%80%e4%b8%ad%e7%a7%91%e5%a4%a7-nature%e5%ad%90%e5%88%8a%ef%bc%9a%e8%bf%91100%e5%ba%93%e4%bb%91%e6%95%88%e7%8e%87%e3%80%81%e5%80%8d%e7%8e%87%e6%96%b0%e7%ba%aa","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=228455","title":{"rendered":"\u5927\u8fde\u5316\u7269\u6240&\u4e2d\u79d1\u5927 Nature\u5b50\u520a\uff1a\u8fd1100%\u5e93\u4ed1\u6548\u7387\u3001\u500d\u7387\u65b0\u7eaa\u5f55\uff01\u94a0\u91d1\u5c5e\u7535\u6c60\u65b0\u7a81\u7834"},"content":{"rendered":"

\u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/strong><\/p>\n

\u91d1\u5c5e\u94a0\uff08Na\uff09\u5177\u6709\u7406\u8bba\u5bb9\u91cf\u8f83\u9ad8\uff081166 mAh g-1<\/sup>\uff09\u3001\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u8f83\u4f4e\u3001\u542b\u91cf\u9ad8\u548c\u4ef7\u683c\u8f83\u4f4e\u7684\u4f18\u70b9\uff0c\u88ab\u89c6\u4e3a\u4e0b\u4e00\u4ee3\u53ef\u518d\u5145\u7535\u7535\u6c60\u7684\u6781\u5177\u7ade\u4e89\u529b\u7684\u8d1f\u6781\u3002\u7136\u800c\uff0c\u5176\u9ad8\u53cd\u5e94\u6d3b\u6027\u3001\u5927\u4f53\u79ef\u53d8\u5316\u3001\u4e0d\u7a33\u5b9a\u7684\u56fa\u4f53\u7535\u89e3\u8d28\u754c\u9762\uff08SEI\uff09\u548c\u4e0d\u53ef\u63a7\u7684\u679d\u6676\u751f\u957f\u5bfc\u81f4\u5e93\u4ed1\u6548\u7387\u4f4e\u3001\u5faa\u73af\u6027\u6709\u9650\uff0c\u751a\u81f3\u7ed9\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u94a0\u91d1\u5c5e\u7535\u6c60\u5e26\u6765\u4e86\u5b89\u5168\u98ce\u9669\uff0c\u6291\u5236\u4e86\u5176\u5b9e\u9645\u5e94\u7528\u3002\u867d\u7136\u5229\u7528\u5b9a\u5236\u7535\u89e3\u6db2\u914d\u65b9\u3001\u4f7f\u7528\u56fa\u6001\u7535\u89e3\u6db2\u7b49\u7b56\u7565\u6291\u5236\u4e86Na\u679d\u6676\u751f\u957f\u5e76\u5b9e\u73b0\u7a33\u5b9a\u548c\u5b89\u5168\u7684Na\u91d1\u5c5e\u8d1f\u6781\uff0c\u4f46\u662f\u8fd9\u4e9b\u7b56\u7565\u901a\u5e38\u63ed\u793a\u4e86\u5355\u4e00\u7684\u5316\u5b66\u6216\u7269\u7406\u529f\u80fd\u6765\u8c03\u8282Na\u679d\u6676\uff0c\u5e76\u4e14\u9762\u4e34\u9ad8\u52a0\u5de5\u6210\u672c\u548c\u6709\u9650\u7684\u53ef\u6269\u5c55\u6027\u3002\u6b64\u5916\uff0c\u6784\u5efa\u529f\u80fd\u5206\u79bb\u5668\u88ab\u8ba4\u4e3a\u662f\u4ece\u5316\u5b66\u5206\u5b50\u548c\u7269\u7406\u7ed3\u6784\u6c34\u5e73\u5b9e\u73b0Na\u5747\u5300\u6c89\u79ef\u7684\u66f4\u53ef\u9760\u3001\u66f4\u7ecf\u6d4e\u7684\u65b9\u6cd5\u3002\u4ece\u5206\u5b50\u6c34\u5e73\u4e0a\u770b\uff0c\u5177\u6709\u4e30\u5bcc\u6781\u6027\u5b98\u80fd\u56e2\u7684\u805a\u5408\u7269\u5237\u53ef\u4ee5\u589e\u5f3a\u7535\u89e3\u8d28\u7684\u6da6\u6e7f\u6027\uff0c\u63d0\u4f9b\u7a33\u5b9a\u7684SEI\u754c\u9762\uff0c\u4ece\u800c\u5bb9\u6613\u5747\u5300\u78b1\u91d1\u5c5e\u79bb\u5b50\u5206\u5e03\u548c\u6210\u6838\u3002\u7279\u522b\u662f\u5177\u6709\u7247\u72b6\u7ed3\u6784\u3001\u9ad8\u6bd4\u8868\u9762\u79ef\uff08SSA\uff09\u3001\u4e30\u5bcc\u7684\u8868\u9762\u5316\u5b66\u548c\u826f\u597d\u7684\u673a\u68b0\u67d4\u6027\u7684\u7ed3\u6784\u4e8c\u7ef4\uff08s-2D\uff09\u7c7b\u77f3\u58a8\u70ef\u805a\u5408\u7269\u6750\u6599\u5728\u8c03\u8282\u78b1\u91d1\u5c5e\u6c89\u79ef\u548c\u7269\u7406\u6291\u5236\u679d\u6676\u751f\u957f\u5177\u6709\u5de8\u5927\u7684\u4f18\u52bf\u3002\u4ece\u7ed3\u6784\u8bbe\u8ba1\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u7f3a\u9677\u77f3\u58a8\u70ef\u548c\u6709\u5e8f\u4ecb\u5b54\u7ed3\u6784\u53ef\u4ee5\u4f5c\u4e3a\u7eb3\u7c73\u591a\u5b54\u7f13\u51b2\u5c42\u548c\u79bb\u5b50\u901a\u9053\uff0c\u4ee5\u5747\u5300\u78b1\u91d1\u5c5e\u79bb\u5b50\u5206\u5e03\u548c\u6c89\u79ef\u3002\u56e0\u6b64\uff0c\u4ece\u5316\u5b66\u5206\u5b50\u548c\u7269\u7406\u7ed3\u6784\u6c34\u5e73\u4e0a\u6784\u5efa\u53ef\u5b9a\u4e49\u7684s-2D\u4ecb\u5b54\u529f\u80fd\u805a\u5408\u7269\u5f02\u8d28\u7ed3\u6784\u4ee5\u5b9e\u73b0\u7a33\u5b9a\u7684\u3001\u65e0\u6811\u679d\u6676\u7684Na\u91d1\u5c5e\u8d1f\u6781\u5177\u6709\u5f88\u5f3a\u7684\u7ade\u4e89\u529b\uff0c\u4f46\u662f\u4ecd\u7136\u5f88\u96be\u5b9e\u73b0\u3002
\n \"\"
\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u4e2d\u79d1\u9662\u5927\u8fde\u5316\u5b66\u7269\u7406\u7814\u7a76\u6240\u5434\u5fe0\u5e05\u7814\u7a76\u5458\u548c\u53f6\u8302\u7814\u7a76\u5458\u3001\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66\u4f59\u5f66\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\u7b49\u4eba<\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u5177\u6709\u53ef\u5b9a\u4e49\u5b54\u5f84\u548c\u8584\u7247\u539a\u5ea6\u7684s-2D\u4ecb\u5b54\u805a\u591a\u5df4\u80fa\u77f3\u58a8\u70ef\uff08mPG\uff09\u5f02\u8d28\u7ed3\u6784\uff0c\u7528\u4e8e\u7a33\u5b9a\u3001\u9ad8\u5bb9\u91cf\u7684\u94a0\uff08Na\uff09\u91d1\u5c5e\u8d1f\u6781\u3002\u4f5c\u8005\u4f7f\u7528\u6c27\u5316\u77f3\u58a8\u70ef\uff08GO\uff09\u7684\u72ec\u7acbs-2D\u57fa\u5e95\u548cSiO2<\/sub>\u7eb3\u7c73\u7403\u4f5c\u4e3a\u53ef\u53d8\u4ecb\u5b54\u6a21\u677f\uff0c\u901a\u8fc7\u57fa\u4e8eGO\u7684\u786c\u6a21\u677f\u7b56\u7565\u6210\u529f\u5408\u6210\u4e86\u5177\u6709\u53ef\u8c03\u8282\u5b54\u5f84\uff087, 12, 22 nm\uff09\u3001\u5b9a\u5236\u8584\u7247\u539a\u5ea6\uff0814, 20, 28 nm\uff09\u548c\u9ad8SSA\uff08144, 157, 114 m2 g-1<\/sup>\uff09\u7684s-2D\u4e09\u660e\u6cbb\u72b6mPG\u5f02\u8d28\u7ed3\u6784\u3002\u7531\u4e8es-2D mPG\u5f02\u8d28\u7ed3\u6784\u5177\u6709\u4eb2Na\u7684\u805a\u591a\u5df4\u80fa\u8868\u9762\u3001\u7f3a\u9677\u77f3\u58a8\u70ef\u5c42\u3001\u5747\u5300\u7684\u4ecb\u5b54\u7ed3\u6784\u548c\u9ad8SSA\uff0c\u5176\u88ab\u7528\u4f5c\u5206\u79bb\u6d82\u5c42\uff0c\u4f7fNa\u91d1\u5c5e\u8d1f\u6781\u7684\u5e93\u4ed1\u6548\u7387\u8d85\u8fc7\u4e8699.5%\uff0c\u57281 mA cm-2<\/sup>\u548c1 mAh cm-2<\/sup>\u4e0b\u53ef\u4ee5\u5faa\u73af\u7a33\u5b9a\u6027\u7ea6\u4e3a2000 h\uff0c\u500d\u7387\u6027\u80fd\u4e3a25 mA cm-2<\/sup>\u548c25 mAh cm-2<\/sup>\u3002\u56e0\u6b64\uff0c\u4e0e\u78b3\u5305\u8986Na3<\/sub>V2<\/sub>(PO4<\/sub>)3<\/sub>\uff08NVP@C\uff09\u6b63\u6781\u7ed3\u5408\uff0c\u57fa\u4e8emPG\u7684Na||NVP@C\u5168\u7535\u6c60\u5728500\u6b21\u5faa\u73af\u4e2d\u8868\u73b0\u51fa\u7a33\u5b9a\u7684\u5faa\u73af\u80fd\u529b\uff0c\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u4ecd\u4e3a90%\uff0c\u500d\u7387\u6027\u80fd\u663e\u793a\u572830 \u2103\u4e0b\u7684\u5bb9\u91cf\u4e3a75 mAh g-1<\/sup>\uff081 C=117.6 mAh g-1<\/sup>\uff09\u3002\u7814\u7a76\u6210\u679c\u4ee5\u9898\u4e3a\u201cAchieving stable Na metal cycling via polydopamine\/multilayer graphene coating of a polypropylene separator\u201d<\/strong>\u53d1\u5e03\u5728\u56fd\u9645\u8457\u540d\u671f\u520aNature Communications<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u89e3\u8bfb\u3011<\/strong><\/p>\n

\u56fe\u4e00\u3001\u7528\u4e8e\u65e0\u679d\u6676Na\u91d1\u5c5e\u8d1f\u6781\u7684s-2D mPG\u5f02\u8d28\u7ed3\u6784\u793a\u610f\u56fe<\/strong>
\n \"\"\uff08a\uff09s-2D mPG\u5f02\u8d28\u7ed3\u6784\u7684\u5236\u9020\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09\u88f8\u9732PP\u9694\u819c\u548cmPG\u6d82\u5c42PP\u9694\u819c\u7684Na\u6c89\u79ef\u884c\u4e3a\u56fe\u3002<\/p>\n

\u56fe\u4e8c\u3001s-2D mPG\u5f02\u8d28\u7ed3\u6784\u7684\u8868\u5f81<\/strong>
\n \"\"\uff08a-d\uff09mPG-12\u7eb3\u7c73\u7247\u7684SEM\u56fe\u3001TEM\u548cHRTEM\u56fe\u3001AFM\u56fe\u548c\u76f8\u5e94\u7684\u539a\u5ea6\u5206\u6790\uff1b<\/p>\n

\uff08e-f\uff09mPG-7\u7eb3\u7c73\u7247\u7684HRTEM\u56fe\u3001AFM\u56fe\u548c\u76f8\u5e94\u539a\u5ea6\u5206\u6790\uff1b<\/p>\n

\uff08g-h\uff09mPG-22\u7eb3\u7c73\u7247\u7684HRTEM \u56fe\u3001AFM\u56fe\u548c\u76f8\u5e94\u539a\u5ea6\u5206\u6790\uff1b<\/p>\n

\uff08i\uff09mPG-7\u3001mPG-12\u3001mPG-22\u548cnPG\u7eb3\u7c73\u7247\u7684\u5b54\u5f84\u5206\u5e03\u66f2\u7ebf\uff1b<\/p>\n

\uff08j-l\uff09mPG-12\u7eb3\u7c73\u7247\u7684\u9ad8\u5206\u8fa8\u7387XPS C 1 s\u3001O 1 s\u548cN 1 s\u5149\u8c31\u3002<\/p>\n

\u56fe\u4e09\u3001DFT\u8ba1\u7b97\u548cFVM\u6a21\u62dfs-2D mPG\u5f02\u8d28\u7ed3\u6784\u7684\u4eb2Na\u6027\u548cNa\u79bb\u5b50\u6c89\u79ef\u884c\u4e3a<\/strong>
\n \"\"\uff08a\uff09\u805a\u591a\u5df4\u80fa\u5206\u5b50\u4e0eNa\u7684\u53d8\u5f62\u7535\u8377\u5bc6\u5ea6\uff1b<\/p>\n

\uff08b\uff09\u77f3\u58a8\u70ef\u4e0eNa\u7684\u53d8\u5f62\u7535\u8377\u5bc6\u5ea6\uff1b<\/p>\n

\uff08c\uff09Na\u4e0eCu\u3001PP\u3001\u77f3\u58a8\u70ef\u548c\u805a\u591a\u5df4\u80fa\u4e2d\u4e0d\u540c\u5b98\u80fd\u56e2\u7684\u7ed3\u5408\u80fd\uff1b<\/p>\n

\uff08d\uff09\u901a\u8fc7mPG\u5c42\u7684Na\u79bb\u5b50\u6a21\u578b\u56fe\uff1b<\/p>\n

\uff08e\uff09\u5728\u5165\u53e3\u5904\u5177\u6709\u76f8\u540c\u5e45\u5ea6\u548c\u5468\u671f\u7684Na\u79bb\u5b50\u5206\u5e03\u7684\u4e0d\u540cmPG\u5c42\u4e0b\u7684Na\u79bb\u5b50\u7684\u76f8\u5bf9\u6d53\u5ea6\uff1b<\/p>\n

\uff08f-g\uff09mPG-7\u3001mPG-12\u548cmPG-22\u5c42\u4e0b\u65b9Na\u79bb\u5b50\u6d53\u5ea6\u7684\u6807\u51c6\u504f\u5dee\uff0c\u5177\u6709\u76f8\u540c\u5e45\u5ea6\u548c\u5165\u53e3\u5904Na\u79bb\u5b50\u5206\u5e03\u7684\u76f8\u540c\u6ce2\u52a8\u3002<\/p>\n

\u56fe\u56db\u3001\u7528\u4e8eNa||Cu\u7535\u6c60\u7684mPG-12@PP\u9694\u819c\u7684\u8868\u5f81\u548c\u6027\u80fd<\/strong>
\n \"\"\uff08a\uff09\u88f8\u9732PP\u9694\u819c\u7684\u4fef\u89c6SEM\u56fe\u50cf\u548c\u7167\u7247\uff1b<\/p>\n

\uff08b\uff09mPG-12@PP\u9694\u819c\u7684\u9876\u89c6\u56feSEM\u56fe\u50cf\u548c\u7167\u7247\uff1b<\/p>\n

\uff08c\uff09mPG-12@PP\u9694\u819c\u7684\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08d\uff09\u88f8\u9732PP\u548cmPG-12@PP\u9694\u819c\u4e0a\u7535\u89e3\u8d28\u7684\u63a5\u89e6\u89d2\uff1b<\/p>\n

\uff08e\uff09\u57280.5 mA cm-2<\/sup>\u30010.5 mAh cm-2<\/sup>\u4e0b\uff0c\u5177\u6709mPG-12@PP\u3001nPG@PP\u548cPP\u9694\u819c\u7684Na||Cu\u7535\u6c60\u7684\u5e93\u4ed1\u6548\u7387\uff1b<\/p>\n

\uff08f\uff09\u4e0d\u540c\u9694\u819c\u7684Na\u6210\u6838\u8fc7\u7a0b\u4e2d\u7684\u7535\u538b-\u5bb9\u91cf\u66f2\u7ebf\uff1b<\/p>\n

\uff08g\uff09\u57288.0 mA cm-2<\/sup>\u30018.0 mAh cm-2<\/sup>\u4e0b\uff0c\u5177\u6709mPG-12@PP\u548cPP\u9694\u819c\u7684Na||Cu\u7535\u6c60\u7684\u5e93\u4ed1\u6548\u7387\u3002<\/p>\n

\u56fe\u4e94\u3001\u7535\u5316\u5b66\u8868\u5f81\u5177\u6709mPG-12@PP\u9694\u819c\u7684Na||Na\u5bf9\u79f0\u7535\u6c60<\/strong>
\n \"\"
\n \uff08a\uff09\u5177\u6709mPG-12@PP\u3001nPG@PP\u548cPP\u9694\u819c\u7684Na||Na\u7535\u6c60\u57281 mA cm-2<\/sup>\u30011 mAh cm-2<\/sup>\u4e0b\u7684\u7535\u538b-\u65f6\u95f4\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff09\u6bd4\u8f83\u5177\u6709mPG-12@PP\u9694\u819c\u7684Na||Na\u7535\u6c60\u548c\u5df2\u62a5\u9053Na\u8d1f\u6781\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff1b<\/p>\n

\uff08c\uff09\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u548c\u5bb9\u91cf\u4e0b\uff0c\u5177\u6709mPG-12@PP\u9694\u819c\u7684Na||Na\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\uff1b<\/p>\n

\uff08d\uff09\u6bd4\u8f83\u5177\u6709mPG-12@PP\u9694\u819c\u7684Na||Na\u7535\u6c60\u548c\u5176\u4ed6\u5df2\u62a5\u9053\u5de5\u4f5c\u7684\u500d\u7387\u6027\u80fd\u3002<\/p>\n

\u56fe\u516d\u3001\u5177\u6709mPG-12@PP\u548cPP\u9694\u819c\u7684Na||NVP@C\u5168\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong>
\n \"\"\uff08a\uff09\u5177\u6709mPG\u6d82\u5c42\u9694\u819c\u7684Na||NVP@C\u5168\u7535\u6c60\u7684\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09\u57282 C\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0bNa||NVP@C\u5168\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff1b<\/p>\n

\uff08c\uff09\u5177\u6709mPG-12@PP\u9694\u819c\u7684Na||NVP@C\u5168\u7535\u6c60\u57282 C\uff08\u7b2c1\u6b21\u3001\u7b2c200\u6b21\u548c\u7b2c500\u6b21\u5faa\u73af\uff09\u4e0b\u7684\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09\u57281 C\u523030 C\u8303\u56f4\u5185\u6d4b\u91cfNa||NVP@C\u5168\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\uff1b<\/p>\n

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

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\u6587\u732e\u94fe\u63a5\uff1aAchieving stable Na metal cycling via polydopamine\/multilayer graphene coating of a polypropylene separator<\/a><\/strong>. Nature Communications<\/em>, 2021<\/strong>, DOI:10.1038\/s41467-021-26032-1.<\/p>\n

\u672c\u6587\u7531CQR\u7f16\u8bd1\u3002<\/p>\n

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