{"id":198286,"date":"2020-03-19T06:30:35","date_gmt":"2020-03-18T22:30:35","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=198286"},"modified":"2020-03-18T14:30:47","modified_gmt":"2020-03-18T06:30:47","slug":"%e6%b5%99%e6%b1%9f%e5%b7%a5%e4%b8%9a%e5%a4%a7%e5%ad%a6nature-communications-%e7%94%9f%e7%89%a9%e5%a4%a7%e5%88%86%e5%ad%90%e5%ae%9e%e7%8e%b0%e6%97%a0%e6%9e%9d%e6%99%b6%e9%94%82%e9%87%91%e5%b1%9e","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=198286","title":{"rendered":"\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66Nature Communications: \u751f\u7269\u5927\u5206\u5b50\u5b9e\u73b0\u65e0\u679d\u6676\u9502\u91d1\u5c5e\u7535\u6c60\u7684\u51b7\u51bb\u7535\u955c\u89e3\u6790"},"content":{"rendered":"

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

\u91d1\u5c5e\u9502\u56e0\u5176\u6700\u9ad8\u7684\u6bd4\u5bb9\u91cf(3860 mAh g\u22121<\/sup>\uff0c\u62162061 mAh cm\u22123<\/sup>)\u548c\u6700\u4f4e\u7684\u7535\u5316\u5b66\u7535\u4f4d(\u2212 3.04 V)\u800c\u88ab\u8a89\u4e3a\u4e8c\u6b21\u7535\u6c60\u7684\u201c\u5723\u676f\u201d\u8d1f\u6781\u3002\u7136\u800c\uff0c\u9502\u79bb\u5b50\u7535\u6c60\u7684\u5546\u4e1a\u5316\u5374\u53d7\u5236\u4e8e\u9502\u679d\u6676\u7684\u4e0d\u53ef\u63a7\u751f\u957f\u548c\u7531\u6b64\u5bfc\u81f4\u7684\u4f4e\u5e93\u4ed1\u6548\u7387\u3001\u8f83\u5dee\u7684\u5faa\u73af\u80fd\u529b\uff0c\u4ee5\u53ca\u957f\u65f6\u95f4\u7535\u6c60\u5de5\u4f5c\u5e26\u6765\u7684\u5b89\u5168\u9690\u60a3\u3002\u8fd1\u5e74\u6765\uff0c\u7814\u7a76\u8005\u81f4\u529b\u4e8e\u89e3\u51b3\u91d1\u5c5e\u9502\u7684\u7a81\u51fa\u95ee\u9898\uff0c\u4ee5\u5b9e\u73b0\u9502\u91d1\u5c5e\u7535\u6c60\u7684\u6f5c\u5728\u5e94\u7528\u3002\u7814\u7a76\u8bc1\u5b9e\uff0c\u9ad8\u7684\u5c40\u90e8\u7535\u6d41\u5bc6\u5ea6\u548c\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u9502\u79bb\u5b50\u7684\u6d53\u5ea6\u68af\u5ea6\u4f1a\u5bfc\u81f4\u679d\u6676\u7684\u589e\u6b96\u3002\u76f8\u5e94\u7684\uff0c\u5236\u5907\u4eb2\u9502\u57fa\u8d28\u662f\u8c03\u63a7\u9502\u7684\u5f62\u6838\u751f\u957f\u3001\u6291\u5236\u679d\u6676\u5f62\u6210\u7684\u9996\u8981\u7b56\u7565\u3002\u540c\u65f6\uff0c\u5728\u7535\u6781\u4e4b\u95f4\u5f15\u5165\u4eb2\u9502\u7f13\u51b2\u5c42\u6216\u5229\u7528\u6dfb\u52a0\u5242\u6784\u5efa\u9502\u9ad8\u901a\u91cf\u5747\u5300\u4eba\u5de5\u56fa\u6001\u7535\u89e3\u8d28\u754c\u9762\u819c\u662f\u6291\u5236\u679d\u6676\u5f62\u6210\u548c\u83b7\u5f97\u826f\u597d\u7535\u5316\u5b66\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002\u867d\u7136\u8fd1\u5341\u5e74\u6765\u9502\u8d1f\u6781\u7684\u6784\u7b51\u4e0e\u8c03\u63a7\u53d6\u5f97\u4e86\u5927\u91cf\u7684\u8fdb\u5c55\uff0c\u4f46\u4ece\u539f\u5b50\u7ea7\u522b\u7684\u5fae\u89c2\u89d2\u5ea6\uff0c\u4ee5\u6676\u4f53\u5b66\u7684\u89c6\u89d2\u6df1\u5165\u8ba4\u77e5\u9502\u6c89\u79ef\u884c\u4e3a\uff0c\u6291\u5236\u9502\u679d\u6676\u751f\u957f\u663e\u5f97\u65e5\u76ca\u91cd\u8981\u3002\u53ef\u662f\uff0c\u7531\u4e8e\u5bf9\u9502\u6676\u4f53\u7684\u53ef\u89c6\u5316\u8868\u5f81\u5177\u6709\u6311\u6218\u6027\uff0c\u56e0\u6b64\u4f9d\u7136\u7f3a\u4e4f\u76f8\u5173\u62a5\u9053\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66\u9676\u65b0\u6c38\u6559\u6388\u4e0e\u5218\u80b2\u4eac\u535a\u58eb\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u8054\u5408\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66\u5f20\u6587\u9b41\u6559\u6388\u3001\u6d59\u6c5f\u5927\u5b66\u7530\u9e64\u6559\u6388\u3001\u5357\u4eac\u5927\u5b66\u91d1\u949f\u6559\u6388\uff0c\u53d7\u751f\u7269\u77ff\u5316\u4f5c\u7528\u4e2d\u6709\u673a\u57fa\u8d28\u8c03\u63a7\u65e0\u673a\u6676\u4f53\u53d6\u5411\u751f\u957f\u7684\u542f\u53d1\uff0c\u5229\u7528\u86cb\u58f3\u5929\u7136\u819c\u4e2d\u7684\u751f\u7269\u5927\u5206\u5b50\u7f51\u7edc\u8bf1\u5bfc\u9502\u5747\u5300\u6c89\u79ef\uff0c\u6291\u5236\u9502\u679d\u6676\u751f\u957f\u3002\u7279\u522b\u5730\uff0c\u5229\u7528\u51b7\u51bb\u7535\u955c\u5728\u539f\u5b50\u5c3a\u5ea6\u4e0a\u76d1\u6d4b\u9502\u6676\u4f53\u7684\u751f\u957f\u7279\u6027\u548c\u53d6\u5411\u7ed3\u6784\uff0c\u53d1\u73b0\u5728\u4e09\u6c1f\u4e59\u9187\u4fee\u9970\u7684\u86cb\u819c\u8bf1\u5bfc\u4e0b\uff0c\u9502\u5355\u6676\u7684\u679d\u6676\u751f\u957f\u53d6\u5411\uff0c\u7279\u522b\u662f\u6cbf\u7740<111>\u6676\u5411\u7684\u751f\u957f\u53d7\u5230\u6781\u5927\u6291\u5236\u3002\u540c\u65f6\uff0c\u751f\u7269\u5927\u5206\u5b50\u4e2d\u5929\u7136\u53ef\u6eb6\u7684\u4eb2\u9502\u5316\u5b66\u7ec4\u5206\u5728\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u4f1a\u53c2\u4e0e\u56fa\u6001\u7535\u89e3\u8d28\u754c\u9762\u819c\u7684\u5f62\u6210\uff0c\u4ece\u800c\u6709\u6548\u5730\u5747\u5300\u5316\u9502\u6c89\u79ef\u3002\u8fd9\u79cd\u5229\u7528\u4eff\u751f\u673a\u5236\u4fdd\u62a4\u7684\u9502\u91d1\u5c5e\u8d1f\u6781\u663e\u793a\u51fa\u589e\u5f3a\u7684\u5faa\u73af\u5bff\u547d\u548c\u5b89\u5168\u6027\u3002\u8fd9\u4e00\u5de5\u4f5c\u5c06\u6709\u52a9\u4e8e\u4ece\u7ed3\u6676\u5b66\u89d2\u5ea6\u8ba4\u77e5\u9502\u91d1\u5c5e\u8d1f\u6781\u4e2d\u7684\u672c\u8d28\u95ee\u9898\uff0c\u4e3a\u5f00\u53d1\u5b9e\u7528\u5148\u8fdb\u7684\u9502\u91d1\u5c5e\u7535\u6c60\u63d0\u4f9b\u91cd\u8981\u7406\u8bba\u53c2\u8003\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u201cBiomacromolecules enabled dendrite-free lithium metal battery and its origin revealed by cryo-electron microscopy<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728N<\/b><\/strong>ature<\/b><\/strong>\u00a0<\/b><\/strong>C<\/b><\/strong>ommunication<\/b><\/strong>s<\/b><\/strong>\u4e0a\u3002<\/p>\n

\u00a0<\/b><\/strong>\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n

\u8bbe\u8ba1\u751f\u7269\u5927\u5206\u5b50\u57fa\u8d28\u7528\u4e8e\u8c03\u63a7\u9502\u91d1\u5c5e\u6c89\u79ef<\/strong><\/p>\n

\u751f\u7269\u77ff\u5316\u662f\u81ea\u7136\u754c\u4e2d\u666e\u904d\u5b58\u5728\u7684\u73b0\u8c61\uff0c\u751f\u7269\u4f53\u53ef\u4ee5\u5229\u7528\u6709\u673a\u57fa\u8d28\u7684\u8bf1\u5bfc\u5f62\u6210\u5177\u6709\u590d\u6742\u591a\u7ea7\u7ed3\u6784\u7684\u77ff\u7269\u6676\u4f53\u3002\u86cb\u58f3\u4f5c\u4e3a\u6700\u5177\u4ee3\u8868\u6027\u7684\u751f\u7269\u77ff\u5316\u7684\u201c\u4f5c\u54c1\u201d(\u56fe1a, b)\uff0c\u5176\u86cb\u819c(ESM)\u4e09\u7ef4\u591a\u5b54\u7ed3\u6784\u4e2d\u7684\u819c\u86cb\u767d\u53ef\u5728\u7ed3\u6676\u70ed\u529b\u5b66\u548c\u52a8\u529b\u5b66\u4e0a\u8fdb\u884c\u8c03\u8282\uff0c\u4fc3\u4f7f\u86cb\u58f3\u4e2dCaCO3<\/sub>\u6676\u4f53\u7684\u5747\u5300\u6210\u6838\u548c\u5b9a\u5411\u751f\u957f(\u56fe1c-e)\u3002\u53d7\u6b64\u79cd\u751f\u7269\u77ff\u5316\u73b0\u8c61\u7684\u542f\u53d1\uff0c\u4f5c\u8005\u5229\u7528\u6539\u6027\u7684\u5929\u7136\u86cb\u767d\u819c\u4e3a\u754c\u9762\u4fdd\u62a4\u5c42\u7528\u4e8e\u7a33\u5b9a\u9502\u91d1\u5c5e\u8d1f\u6781\uff0c\u8bf1\u5bfc\u9502\u6676\u4f53\u7684\u5747\u5300\u5f62\u6838\u751f\u957f\u3002<\/p>\n

\u56fe1. \u751f\u7269\u5927\u5206\u5b50\u57fa\u8d28\u7528\u4e8e\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u4eff\u751f\u8bbe\u8ba1<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u9e21\u86cb\u7167\u7247\uff1b<\/p>\n

(b)\u6536\u96c6\u5230\u7684\u86cb\u58f3\u7167\u7247\uff1b<\/p>\n

(c)\u5f2f\u66f2\u7684ESM\u548c\u5176\u6298\u53e0\u7684\u7eb8\u9e64(\u63d2\u56fe)\uff1b<\/p>\n

(d)ESM\u7684\u626b\u63cf\u7535\u955c\u56fe\u50cf\u548c\uff08\u63d2\u56fe\uff09\u653e\u5927\u7684\u5355\u7ea4\u7ef4\u86cb\u767d\u3002\u6807\u5c3a\uff1a\u00a050\u00a0\u03bcm\u548c (\u63d2\u56fe) 1\u00a0\u03bcm\uff1b<\/p>\n

(e)\u86cb\u58f3\u7684\u6a2a\u622a\u9762\u548c(\u63d2\u56fe)ESM\u4e0eCaCO3<\/sub>\u77ff\u7269\u6676\u4f53\u8fb9\u754c\u7684\u626b\u63cf\u7535\u955c\u56fe\u50cf.\u6807\u5c3a\uff1a100\u00a0\u03bcm\u548c(\u63d2\u56fe) 50\u00a0\u03bcm\uff1b<\/p>\n

(f)\u9502\u5728TESM\u4fee\u9970\u7684\u94dc\u7b94\u4e0a\u751f\u957f\u793a\u610f\u56fe\u3002TESM\u4e2d\u4e30\u5bcc\u7684\u6781\u6027\u5b98\u80fd\u56e2\u53ef\u4ee5\u8c03\u8282\u9502\u79bb\u5b50\u7684\u5206\u5e03\uff0c\u5b9e\u73b0\u9502\u7684\u5747\u5300\u6c89\u79ef\u3002<\/p>\n

\u7531\u4e8e\u86cb\u819c\u5b58\u5728\u5929\u7136\u7ed3\u6784\u7f3a\u9677\uff0c\u4f5c\u8005\u5229\u7528\u4e09\u6c1f\u4e59\u9187\u6eb6\u5242\u70ed\u5904\u7406ESM\u4ee5\u51cf\u5c11\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u7684\u526f\u53cd\u5e94\u3002\u5904\u7406\u5f97\u5230\u7684TESM\u5c55\u73b0\u51fa\u589e\u5f3a\u7684\u9502\u79bb\u5b50\u7535\u5bfc\u7387\u548c\u529b\u5b66\u6027\u80fd\u4ee5\u53ca\u826f\u597d\u7684\u7535\u89e3\u6db2\u6d78\u6da6\u6027(\u56fe2a, b)\u3002\u901a\u8fc7\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\u5bf9\u9502\u6c89\u79ef\u884c\u4e3a\u7684\u89c2\u5bdf(\u56fe2c-f)\u53d1\u73b0\uff0cTESM\u4fdd\u62a4\u7684\u94dc\u8868\u9762\u53ef\u5f62\u6210\u65e0\u679d\u6676\u7684\u7403\u5f62\u9502\u6676\u4f53\uff0c\u800c\u88f8\u9732\u7684\u94dc\u8868\u9762\u5219\u5f62\u6210\u4e86\u5927\u91cf\u7684\u9502\u679d\u6676\u3002\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba(DFT)\u8ba1\u7b97\u548c\u7535\u611f\u8026\u5408\u7b49\u79bb\u5b50\u4f53\u8d28\u8c31(ICP-MS)\u68c0\u6d4b\u8868\u660eTESM\u5bf9\u9502\u79bb\u5b50\u5177\u6709\u5f88\u5f3a\u7684\u5316\u5b66\u5438\u9644\u4f5c\u7528\uff0c\u8fd9\u5c06\u6709\u5229\u4e8e\u5747\u5300\u5316\u9502\u79bb\u5b50\u5206\u5e03\uff0c\u964d\u4f4e\u7535\u6c60\u5185\u963b\u548c\u6291\u5236\u679d\u6676\u7684\u751f\u957f\u3002<\/p>\n

\u56fe2. TESM\u7684\u6539\u6027\u5236\u5907\u53ca\u5176\u5bf9\u9502\u6c89\u79ef\u7684\u5f71\u54cd<\/strong><\/p>\n

\"\"<\/p>\n

(a)\u4e09\u6c1f\u4e59\u9187\u8bf1\u5bfc\u7684\u86cb\u767d\u8d28\u548c\u591a\u80bd\u7684\u6784\u8c61\u53d8\u5316\uff1b<\/p>\n

(b) ESM\u548cTESM\u7684\u79bb\u5b50\u7535\u5bfc\u7387\uff1b<\/p>\n

(c-f)\u9502\u5728(c-d)\u6709(e-f)\u65e0TESM\u7684\u94dc\u4e0a\u7684\u6c89\u79ef\u5f62\u8c8c\u7684\u626b\u63cf\u7535\u955c\u56fe\u50cf\u3002\u6807\u5c3a: (c, e) 50 \u03bcm\uff0c(d, f) 20 \u03bcm\uff1b<\/p>\n

(g)\u7ed3\u6784\u4f18\u5316\u540e\u7684TESM\u4e0e\u9502\u79bb\u5b50\u4e4b\u95f4\u76f8\u4e92\u4f5c\u7528\u7684DFT\u8ba1\u7b97\uff1b<\/p>\n

(h)\u7528TESM\u6d78\u6ce1\u540e\u7684\u919a\u57fa\u7535\u89e3\u6db2\u4e2d\u6b8b\u4f59\u7684\u9502\u79bb\u5b50\u6d53\u5ea6\u3002<\/p>\n

TESM\u5bf9\u9502\u6676\u4f53\u5f62\u6838\u548c\u751f\u957f\u7684\u5f71\u54cd<\/strong><\/p>\n

\u4f5c\u8005\u7ee7\u800c\u5229\u7528cryo-TEM\u5bf9\u9502\u7684\u7ed3\u6676\u884c\u4e3a\u8fdb\u884c\u4e86\u89c2\u6d4b\uff08\u56fe3\uff09\u3002\u7ed3\u679c\u8868\u660e\uff0cTESM\u534f\u52a9\u4e0b\u7684\u9502\u6c89\u79ef\u5448\u5fae\u7403\u72b6\u6676\u4f53\u5f62\u8c8c\uff0c\u9502\u5355\u6676\u5448\u73b0\u90e8\u5206<211>\u3001<110>\u6676\u5411\u8868\u8fbe\u751f\u957f\u3002\u7279\u522b\u5730\uff0c\u5728\u88f8\u9732\u7684\u94dc\u7f51\u4e0a\u6c89\u79ef\u7684\u9502\u5219\u4ea7\u751f\u4e86\u5927\u91cf\u4e0e\u4e4b\u524d\u62a5\u9053\u4e00\u81f4\u7684\u6cbf<111>\uff0c<211>\uff0c<110>\u5feb\u901f\u53d6\u5411\u7ed3\u6676\u7684\u9502\u679d\u6676\u3002\u8fd9\u8bf4\u660eTESM\u53ef\u4ee5\u6291\u5236\u91d1\u5c5e\u9502\u6cbf\u679d\u6676\u751f\u957f\u53d6\u5411\uff0c\u7279\u522b\u662f<111>\u6676\u5411\u7684\u751f\u957f\u3002\u6b64\u5916\uff0c\u4f5c\u8005\u6839\u636eXPS\u3001cryo-STEM\u7b49\u5b9e\u9a8c\u53d1\u73b0SEI\u4e2d\u6c2e\u548c\u786b\u7684\u542b\u91cf\u5728TESM\u5b58\u5728\u60c5\u51b5\u4e0b\u663e\u8457\u589e\u52a0\uff0c\u8fd9\u4e9b\u7ed3\u679c\u8868\u660eTESM\u53ef\u80fd\u53c2\u4e0e\u4e86SEI\u7684\u5f62\u6210\u3002BCA\u86cb\u767d\u6d4b\u5b9a\u548c\u7ea2\u5916\u5206\u6790\u8fdb\u4e00\u6b65\u8bc1\u660eTESM\u4e2d\u7684\u53ef\u6eb6\u7684\u86cb\u767d\u8d28\u7ec4\u5206\u5b58\u5728\u4e8e\u6240\u5f62\u6210\u7684SEI\u5f53\u4e2d\u3002\u4eceCV\u66f2\u7ebf\u53ef\u77e5\uff0c\u90e8\u5206TESM\u53ef\u4ee5\u5728\u7535\u5316\u5b66\u8fc7\u7a0b\u4e2d\u88ab\u8fd8\u539f\u3002\u53e6\u5916\uff0ccryo-TEM\u76d1\u6d4b\u4e86SEI\u5728\u4e0d\u540c\u7535\u4f4d\u4e0b\u7684\u5143\u7d20\u5b9a\u91cf\u53d8\u5316\uff0cTESM\u5b58\u5728\u7684\u60c5\u51b5\u4e0b\u6c2e\u5143\u7d20\u8d28\u91cf\u6bd4\u5728SEI\u4e2d\u4e0d\u65ad\u589e\u52a0\u3002\u8003\u8651\u5230TESM\u4e2d\u7684\u7279\u5f81\u5143\u7d20\u6c2e\uff0c\u8fd9\u53ef\u4ee5\u8bc1\u660e\u968f\u7740\u7535\u5316\u5b66\u5faa\u73af\u7684\u8fdb\u884c\uff0c\u5927\u91cfTESM\u7ec4\u5206\u53ef\u53c2\u4e0e\u6784\u7b51SEI\u3002\u800c\u5d4c\u5165\u5230SEI\u4e2d\u7684\u4eb2\u9502TESM\u5927\u5206\u5b50\u5c06\u6709\u52a9\u4e8e\u5b9e\u73b0\u5747\u5300\u7684\u9502\u79bb\u5b50\u901a\u91cf\uff0c\u5bfc\u81f4\u5747\u5300\u7403\u5f62\u9502\u7684\u6c89\u79ef\u3002<\/p>\n

\u56fe3. TESM\u6291\u5236\u9502\u679d\u6676\u7684\u539f\u5b50\u7ea7\u673a\u5236\u89e3\u6790<\/strong><\/p>\n

\"\"<\/p>\n

(a, d)\u5b58\u5728TESM\u65f6\u6c89\u79ef\u7684\u9502\u5fae\u7403\u7684cryo-TEM\u56fe\u50cf\uff1b<\/p>\n

(b, e)\u56fea\u548cd\u6807\u8bb0\u533a\u57df\u5bf9\u5e94\u7684\u9ad8\u5206\u8fa8\u56fe\u50cf\uff1b<\/p>\n

(c, f)\u5206\u522b\u4e3ab\u548ce\u4e2d\u7684\u6676\u683c\u95f4\u8ddd\uff1b<\/p>\n

(g-i)\u00a0\u672a\u7ecfTESM\u4fdd\u62a4\u5f62\u6210\u7684\u9502\u679d\u6676\u548c\u5bf9\u5e94\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04(\u63d2\u56fe)\u3002\u6807\u5c3a: (a, d) 500 nm, (b, e) 2 nm, (g-i) 500 nm\u548c(\u63d2\u56fe) 5 nm\u22121<\/sup>\u3002<\/p>\n

TESM\u4fee\u9970\u7684\u9502\u8d1f\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\u5728Li-Cu\u534a\u7535\u6c60\u6d4b\u8bd5\u4e2d(\u56fe4)\uff0c\u5f53\u7535\u6d41\u5bc6\u5ea6\u4e3a1 mA cm\u22122<\/sup>\u65f6\uff0cTESM\u4fee\u9970\u7684\u7535\u6781\u53ef\u4ee5\u4fdd\u630198%\u7684CE\u8d85\u8fc7200\u4e2a\u5faa\u73af\u3002\u57285 mA cm\u22122<\/sup>\u65f6\uff0c\u8d85\u8fc7140\u4e2a\u5faa\u73af\u540e\u7ecfTESM\u4fee\u9970\u7535\u6781\u7684\u5e73\u5747CE\u4ecd\u4e3a96%\u3002\u6b64\u5916\uff0c\u5728\u5bf9\u79f0\u7535\u6c60\u6d4b\u8bd5\u4e2d\uff0cTESM\/Li\u7535\u6781\u4f9d\u7136\u8868\u73b0\u51fa\u826f\u597d\u7684\u7535\u5316\u5b66\u6027\u80fd(\u56fe5a-d)\uff0c\u57281 mA cm\u22122<\/sup>\u7684\u60c5\u51b5\u4e0b\u5448\u73b0\u51fa\u7ea62000 h\u7684\u8d85\u957f\u7a33\u5b9a\u5faa\u73af\u3002\u5f53\u7535\u6d41\u5bc6\u5ea6\u63d0\u5347\u81f35 mA cm\u22122<\/sup>\u65f6\uff0cTESM\u4fee\u9970\u7684\u7535\u6781\u8868\u73b0\u51fa\u6781\u4f4e\u7684\u8fc7\u7535\u4f4d(~\u00a045 mV)\u548c\u8d85\u8fc73000\u4e2a\u5faa\u73af(>1200\u00a0h)\u7684\u5bff\u547d\u3002\u800c\u5f53\u5faa\u73af\u5bb9\u91cf\u63d0\u9ad8\u52303\u62165 mAh cm\u22122<\/sup>\u65f6\uff0c\u5bf9\u79f0\u7535\u6c60\u4ecd\u7136\u53ef\u4ee5\u8868\u73b0\u51fa\u826f\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u4e3a\u6ee1\u8db3\u5b9e\u9645\u6761\u4ef6\uff0c\u5728\u78f7\u9178\u94c1\u9502\u9ad8\u8d28\u91cf\u8d1f\u8f7d(~3.0 mAh cm\u22122<\/sup>)\u548c\u4f4e\u8d1f\u6781\u6b63\u6781\u8d28\u91cf\u6bd4(N\/P\uff1a~3.3)\u6761\u4ef6\u4e0b\u8fdb\u884c\u4e86\u5168\u7535\u6c60\u6d4b\u8bd5\uff08\u56fe5e\uff09\u3002\u4f7f\u7528TESM\/Li\u9502\u8d1f\u6781\u7684\u7535\u6c60\u5faa\u73af\u8d85\u8fc7160\u6b21\u540e\uff0c\u5176\u5bb9\u91cf\u4ecd\u7136\u5927\u4e8e150 mAh g\u22121<\/sup>, \u5e93\u4f26\u6548\u7387\u7a33\u5b9a\u5728\u63a5\u8fd1100%\u3002\u4e0e\u6b64\u5f62\u6210\u9c9c\u660e\u5bf9\u6bd4\u7684\u662f\uff0c\u6ca1\u6709TESM\u4fee\u9970\u7684\u7535\u6c60\u5728\u5bb9\u91cf\u548c\u5faa\u73af\u65b9\u9762\u5747\u4ea7\u751f\u5feb\u901f\u8870\u51cf\u3002\u8fd9\u4e9b\u7ed3\u679c\u8868\u660e\uff0cTESM\u662f\u4e00\u79cd\u7406\u60f3\u7684\u6291\u5236\u9502\u679d\u6676\u7684\u754c\u9762\u4fdd\u62a4\u5c42\uff0c\u5177\u6709\u5f88\u5927\u6f5c\u529b\u4ee5\u62d3\u5c55\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u9502\u91d1\u5c5e\u7535\u6c60\u7684\u7814\u53d1\u5e94\u7528\u3002<\/p>\n

\u56fe4. TESM\u4fdd\u62a4\u7684\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u5f62\u8c8c\u53ca\u5faa\u73af\u7a33\u5b9a\u6027<\/strong><\/p>\n

\"\"<\/p>\n

(a-c)\u6709(d-f)\u65e0TESM\u4fdd\u62a4\u7684\u9502\u7247\u57282\u00a0mA cm\u22122<\/sup>\u548c1 mAh cm\u22122<\/sup>\u6761\u4ef6\u4e0b20\u4e2a\u5faa\u73af\u540e\u7684\u626b\u63cf\u7535\u955c\u56fe\u50cf\u3002\u6807\u5c3a: (b, e) 50\u00a0\u03bcm\u548c(c, f)20\u00a0\u03bcm\uff1b<\/p>\n

(g)\u6bd4\u8f83\u4e0d\u540c\u7535\u6781\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684CE\uff0c\u5faa\u73af\u5bb9\u91cf\u4e3a1 mAh cm\u22122<\/sup>\uff1b<\/p>\n

(h)\u4e0d\u540c\u7535\u6781\u57283 mA cm\u22122<\/sup>\u65f6\u7684\u7535\u538b\u5206\u5e03\u66f2\u7ebf\uff1b<\/p>\n

(i)\u4e0d\u540c\u7535\u6781\u57283 mA cm\u22122<\/sup>\u65f6\u7684\u7535\u538b\u6ede\u540e\u66f2\u7ebf\u3002<\/p>\n

\u56fe5. \u672a\u4fdd\u62a4\u3001ESM\u4fdd\u62a4\u548cTESM\u4fdd\u62a4\u7684\u9502\u8d1f\u6781\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

(a-d)\u5bf9\u79f0\u7535\u6c60\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u7535\u538b\u5206\u5e03\u56fe\u7ebf\uff1b<\/p>\n

(e)\u78f7\u9178\u94c1\u9502\u5168\u7535\u6c60\u5faa\u73af\u6027\u80fd\uff0c\u5176\u4e2d\u78f7\u9178\u94c1\u9502\u8d1f\u8f7d\u91cf\u4e3a3 mAh cm\u22122<\/sup>\uff0cN\/P\u6bd4\u503c\u7ea6\u4e3a3.3\u3002\u00a0<\/b><\/strong><\/p>\n

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

\u8be5\u5de5\u4f5c\u7531\u751f\u7269\u77ff\u5316\u673a\u5236\u542f\u53d1\uff0c\u901a\u8fc7\u5f15\u5165TESM\u8c03\u63a7SEI\u7ec4\u5206\u53d8\u5316\uff0c\u6291\u5236\u9502\u5355\u6676\u5728\u4f18\u5148\u6676\u5411\u4e0a\u7684\u53d6\u5411\u751f\u957f\uff0c\u8bf1\u5bfc\u65e0\u679d\u6676\u9502\u6c89\u79ef\u3002\u901a\u8fc7TESM\u7684\u4fdd\u62a4\uff0c\u91d1\u5c5e\u9502\u8d1f\u6781\u5177\u6709\u826f\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u901a\u5e38\uff0c\u91d1\u5c5e\u9502\u5728\u9ad8\u7535\u6d41\u5bc6\u5ea6((5 mA cm\u22122<\/sup>)\u8fdb\u884c\u6c89\u79ef\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u679d\u6676\u751f\u957f\uff0c\u4f46\u662fTESM\u4fee\u9970\u7684\u7535\u6781\u8868\u73b0\u51fa\u8d85\u8fc73000\u5faa\u73af(> 1200 h)\u7684\u8d85\u957f\u5faa\u73af\u5bff\u547d\u3002\u6b64\u5916\uff0c\u4e0e\u78f7\u9178\u94c1\u9502\u6b63\u6781\u5339\u914d\u65f6\uff0c\u5373\u4f7f\u662f\u5728\u9ad8\u6b63\u6781\u8d1f\u8f7d\u91cf\u548c\u4f4eN\/P\u7684\u6761\u4ef6\u4e0b\uff0c\u4f7f\u7528TESM \/Li\u8d1f\u6781\u7684\u5168\u7535\u6c60\u4e5f\u80fd\u5c55\u73b0\u51fa\u6781\u597d\u7684\u5faa\u73af\u6027\u80fd\u3002\u8be5\u539f\u5b50\u7ea7\u89c2\u5bdf\u6307\u5bfc\u7684\u9502\u8d1f\u6781\u4eff\u751f\u8c03\u63a7\u7b56\u7565\uff0c\u5c06\u4ece\u7ed3\u6676\u5b66\u89d2\u5ea6\u63ed\u793a\u6291\u5236\u679d\u6676\u751f\u957f\u7684\u672c\u8d28\u56e0\u7d20\uff0c\u4ece\u800c\u52a9\u529b\u9ad8\u5b89\u5168\u3001\u957f\u5faa\u73af\u9502\u91d1\u5c5e\u7535\u6c60\u7684\u5f00\u53d1\u3002\u672c\u6587\u7684\u7b2c\u4e00\/\u5171\u540c\u7b2c\u4e00\u4f5c\u8005<\/b><\/strong>\u662f\u6d59\u6c5f\u5de5\u4e1a\u5927\u5b66\u5c45\u6cbb\u91d1\u535a\u58eb\u751f\u3001\u4f74\u5efa\u5a01\u6559\u6388\u3001\u738b\u579a\u535a\u58eb\u548c\u5218\u94c1\u5cf0\u535a\u58eb\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a\u201c<\/b><\/strong>Biomacromolecules enabled dendrite-free lithium metal battery and its origin revealed by cryo-electron microscopy<\/b><\/u><\/strong>\u201d<\/b><\/strong>(Nat. Commun. 2020, 11, 488.)<\/b><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u91d1\u5c5e\u9502\u56e0\u5176\u6700\u9ad8\u7684\u6bd4\u5bb9\u91cf(3860 mAh g\u22121\uff0c\u62162061 mAh cm\u22123)\u548c\u6700\u4f4e\u7684\u7535\u5316\u5b66\u7535\u4f4d(\u2212 3.04 V)\u800c\u88ab\u8a89\u4e3a\u4e8c\u6b21\u7535\u6c60\u7684\u201c\u5723\u676f\u201d\u8d1f\u6781\u3002…<\/p>\n","protected":false},"author":14360,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-198286","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/198286"}],"collection":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/users\/14360"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=198286"}],"version-history":[{"count":2,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/198286\/revisions"}],"predecessor-version":[{"id":198320,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=\/wp\/v2\/posts\/198286\/revisions\/198320"}],"wp:attachment":[{"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=198286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=198286"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cailiaoniu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=198286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}