{"id":77605,"date":"2017-04-26T06:30:41","date_gmt":"2017-04-25T22:30:41","guid":{"rendered":"\/\/m.iemloyee.com\/?p=77605"},"modified":"2017-04-26T10:40:32","modified_gmt":"2017-04-26T02:40:32","slug":"%e3%80%90%e9%87%8d%e5%a4%8d%e4%ba%86%e3%80%91%e5%b4%94%e5%b1%b9pnas%e4%b8%80%e7%a7%8d%e5%b0%86%e7%ba%b3%e7%b1%b3%e9%94%82%e9%87%91%e5%b1%9e%e5%b5%8c%e5%85%a5%e7%a6%bb%e5%ad%90%e5%9e%8b%e5%af%bc","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=77605","title":{"rendered":"\u5d14\u5c79PNAS: \u4e00\u79cd\u5c06\u7eb3\u7c73\u9502\u91d1\u5c5e\u5d4c\u5165\u79bb\u5b50\u578b\u5bfc\u7535\u56fa\u4f53\u57fa\u8d28\u4e2d\u5236\u5907\u51fa\u7684\u4e09\u7ef4\u7a33\u5b9a\u7684\u9502\u91d1\u5c5e\u8d1f\u6781"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/span><\/p>\n \u8fd1\u4e9b\u5e74\u6765\uff0c\u968f\u7740\u9502\u7535\u6c60\u5e94\u7528\u7684\u89c4\u6a21\u4e0d\u65ad\u6269\u5927\uff0c\u4eba\u4eec\u5bf9\u9502\u7535\u6c60\u8d1f\u6781\u6750\u6599\u7684\u7814\u7a76\u4e5f\u4e0d\u65ad\u7684\u6df1\u5165\u3002\u76ee\u524d\u53ef\u7528\u4e8e\u9502\u7535\u6c60\u8d1f\u6781\u7684\u6750\u6599\u4e3b\u8981\u6709\u7845\u3001\u9521\u548c\u91d1\u5c5e\u9502\u3002\u5176\u4e2d\u91d1\u5c5e\u9502\u5177\u6709\u6700\u4f4e\u7684\u7535\u5316\u5b66\u52bf\u80fd\u548c\u6700\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\uff0c\u5f15\u8d77\u4e86\u79d1\u7814\u754c\u548c\u5de5\u4e1a\u754c\u6781\u5927\u7684\u5173\u6ce8\u3002\u7136\u800c\uff0c\u9502\u91d1\u5c5e\u8d1f\u6781\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u4f1a\u51fa\u73b0\u679d\u6676\u7684\u8fc7\u5ea6\u751f\u957f\u548c\u7535\u6c60\u5f62\u72b6\u5c3a\u5bf8\u53d8\u5316\u7684\u60c5\u51b5\uff0c\u8fd9\u4f1a\u5f15\u53d1\u7535\u6c60\u4f7f\u7528\u7684\u5b89\u5168\u95ee\u9898\uff0c\u540c\u65f6\uff0c\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u8fd8\u4f1a\u51fa\u73b0\u4e00\u4e9b\u526f\u53cd\u5e94\u4ee5\u53ca\u9502\u672c\u8eab\u6709\u9650\u7684\u80fd\u91cf\u8f93\u51fa\u90fd\u4f1a\u9650\u5236\u9502\u7535\u6c60\u7684\u5b9e\u9645\u5e94\u7528\u3002\u5982\u4f55\u5f00\u53d1\u51fa\u4e00\u79cd\u5b89\u5168\u3001\u7a33\u5b9a\u3001\u9ad8\u6548\u7684\u8d1f\u6781\u6750\u6599\uff0c\u662f\u63d0\u9ad8\u9502\u7535\u6c60\u5b9e\u7528\u6027\u7684\u6280\u672f\u65b9\u5411\u4e4b\u4e00\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/span><\/p>\n \u8fd1\u65e5\uff0c\u6765\u81ea\u65af\u5766\u798f\u5927\u5b66\u6750\u6599\u79d1\u5b66\u4e0e\u5de5\u7a0b\u7cfb\u3001\u65af\u5766\u798f\u6750\u6599\u4e0e\u80fd\u6e90\u79d1\u5b66\u7814\u7a76\u6240\u7684\u5d14\u5c79\u6559\u6388\u5728\u56fd\u9645\u671f\u520aPNAS\u4e0a\u53d1\u8868\u4e00\u7bc7\u9898\u4e3a\u201cThree-dimensional stable lithium metal anode with nanoscale lithium islands embedded in ionically conductive solid matrix\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u7814\u7a76\u4eba\u5458\u7528\u4e00\u79cd\u7b80\u6613\u7684\u5316\u5b66\u5408\u6210\u6cd5\u5c06\u7eb3\u7c73\u7ea7\u9502\u91d1\u5c5e\u5d4c\u5165\u5bfc\u7535\u56fa\u4f53\u57fa\u8d28\u4e2d\u5236\u5907\u51fa\u4e09\u7ef4\u7a33\u5b9a\u7684\u4f20\u5bfc\u9502\u79bb\u5b50\u7684\u7eb3\u7c73\u590d\u5408\u7535\u6781\uff08LCNE\uff09\uff0c\u5e76\u7528\u5b9e\u9a8c\u8bc1\u660e\u4e86\u8fd9\u79cd\u7ed3\u6784\u7684\u7535\u6781\u5f88\u5c0f\u7684\u4f53\u79ef\u53d8\u5316\u548c\u5927\u5927\u51cf\u5c11\u7684\u526f\u53cd\u5e94\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e5f\u6210\u529f\u89e3\u51b3\u4e86\u679d\u6676\u589e\u5927\u7684\u95ee\u9898\uff0c\u4e3a\u8bbe\u8ba1\u9502\u91d1\u5c5e\u8d1f\u6781\u5f00\u521b\u4e86\u4e00\u79cd\u65b0\u7684\u8bbe\u8ba1\u601d\u8def\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/span><\/p>\n \u56fe<\/strong>1<\/strong> \u7535\u6781\u7684\u5236\u5907\u8fc7\u7a0b\u548c\u9502\u79bb\u5b50\u7684\u5d4c\u5165<\/strong>\/<\/strong>\u8131\u5d4c\u884c\u4e3a<\/strong><\/span><\/p>\n \u00a0A\uff09\u5f00\u653e\u7ed3\u6784\u7684\u9502\u91d1\u5c5e\u7ed3\u6784\uff1b<\/p>\n B\uff09LCNE\u7535\u6781\u4e0eSEI\u819c\u7684\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n C-E\uff09\u521d\u59cb\u3001\u9502\u79bb\u5b50\u8131\u5d4c\u548c\u9502\u79bb\u5b50\u5d4c\u5165\u5230 LCNE\u7684\u6570\u7801\u7167\u7247\u56fe\u50cf(\u5bb9\u91cf\u4e3a8 mAh\/cm2<\/sup>)\uff1b<\/p>\n F-G\uff09\u76f8\u5e94\u7684\u521d\u59cb\u3001\u9502\u79bb\u5b50\u8131\u5d4c\u548c\u9502\u79bb\u5b50\u5d4c\u5165\u5230 LCNE\u7684\u7684SEM\u56fe<\/p>\n I-J\uff09\u5206\u522b\u8868\u793a\u521d\u59cb\u3001\u8131\u5d4c\u3001\u5d4c\u5165\u7684LCNEs\u6a2a\u622a\u9762\u7684SEM\u56fe\u3002<\/p>\n \u4ee5\u4e0a\u5b9e\u9a8c\u7684\u7535\u6d41\u5bc6\u5ea6\u56fa\u5b9a\u57281mA\/cm2<\/sup>\u3002<\/p>\n \u56fe<\/strong>2<\/strong> \u9502\u7b94\u4e0e<\/strong>LCNEs<\/strong>\u5728\u5faa\u73af\u6d4b\u8bd5\u540e\u9502\u79bb\u5b50\u6c89\u79ef\u884c\u4e3a\uff08<\/strong>SEM<\/strong>\u56fe\uff09<\/strong><\/span><\/p>\n \u00a0A\uff09\u9502\u7b94\u572820\u6b21\u5faa\u73af\u6d4b\u8bd5\u540e\u9502\u79bb\u5b50\u6c89\u79ef\u7684\u4f4e\u500d\u7387\u7684SEM\u56fe\uff1b<\/p>\n B\uff09\u9502\u7b94\u572820\u6b21\u5faa\u73af\u6d4b\u8bd5\u540e\u9502\u79bb\u5b50\u6c89\u79ef\u7684SEM\u56fe\uff1b<\/p>\n C\uff09LCNEs\u572820\u6b21\u5faa\u73af\u6d4b\u8bd5\u540e\u9502\u79bb\u5b50\u6c89\u79ef\u7684\u4f4e\u500d\u7387\u7684SEM\u56fe\uff1b<\/p>\n D\uff09LCNEs\u572820\u6b21\u5faa\u73af\u6d4b\u8bd5\u540e\u9502\u79bb\u5b50\u6c89\u79ef\u7684SEM\u56fe\u3002<\/p>\n \u4ee5\u4e0a\u5b9e\u9a8c\u7684\u7535\u6d41\u5bc6\u5ea6\u56fa\u5b9a\u57281mA\/cm2<\/sup>\uff0c\u9762\u79ef\u5bb9\u91cf\u56fa\u5b9a\u57281mAh\/cm2<\/sup>\u3002<\/p>\n \u00a0\u56fe<\/strong>3 LCNE<\/strong>\u4e0a\u9502\u8131\u5d4c<\/strong>\/<\/strong>\u5d4c\u5165\u7684\u7535\u5316\u5b66\u7279\u6027\u548c\u673a\u7406\u56fe<\/strong><\/span><\/p>\n A\uff09 LCNE\u7ec4\u6210\u7684\u5bf9\u79f0\u7535\u6c60\u5728\u524d12h\u7684Nyquist\u56fe\uff1b<\/p>\n B\uff09Li\u7b94\u7ec4\u6210\u7684\u5bf9\u79f0\u7535\u6c60\u5728\u524d12h\u7684Nyquist\u56fe\uff1b<\/p>\n C\uff09\u5728\u7b2c\u4e00\u6b21\u7535\u6d41\u5468\u671f\u4e2d\u5178\u578b\u7684\u8131\u5d4c\/\u5d4c\u5165\u7535\u538b\u7279\u6027\u56fe\uff1b<\/p>\n D\uff09\u521d\u59cb\u8131\u5d4c\/\u5d4c\u5165\u80fd\u5792\u793a\u610f\u56fe\uff1b<\/p>\n E\uff09\u5bf9\u79f0\u7535\u6c60\u5728\u7b2c1\u30012\u300110\u548c100\u6b21\u5faa\u73af\u7684\u7535\u538b\u7279\u6027\u56fe\u3002<\/p>\n \u4ee5\u4e0a\u5b9e\u9a8c\u7684\u7535\u6d41\u5bc6\u5ea6\u56fa\u5b9a\u57281mA\/cm2<\/sup>\uff0c\u9762\u79ef\u5bb9\u91cf\u56fa\u5b9a\u57281mAh\/cm2<\/sup>\u3002<\/p>\n \u56fe<\/strong>4 <\/strong>\u5bf9\u79f0\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5<\/strong><\/span><\/p>\n \u00a0A\uff09\u4e0d\u540c\u901f\u7387\uff080.5-5mA\/cm2<\/sup>\uff09\u4e0bLi\u7b94\u4e0eLINE\u5bf9\u79f0\u7535\u6c60\u7535\u6c60\u7684\u7535\u538b\u66f2\u7ebf\uff1b<\/p>\n B\uff09\u57281-10mA\/cm2<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002<\/p>\n \u56fe5<\/strong>\u00a0<\/strong>\u4e0d\u540c\u9502\u7535\u6781\u7684<\/strong>Li\u2013S<\/strong>\u7535\u6c60\u5bb9\u91cf\u7684\u6d4b\u8bd5<\/strong><\/span><\/p>\n A\uff09LINE\u4f5c\u4e3a\u8d1f\u6781\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u7535\u538b\u4e0e\u6bd4\u5bb9\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n B\uff09Li\u7b94\u4f5c\u4e3a\u8d1f\u6781\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u7535\u538b\u4e0e\u5b9e\u9645\u5bb9\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\uff1b<\/p>\n C\uff09\u4e0d\u540c\u500d\u7387\u60c5\u51b5\u4e0b\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u3002<\/p>\n \u3010\u603b\u7ed3\u3011<\/strong><\/span><\/p>\n \u8fd9\u9879\u5de5\u4f5c\u4e2d\uff0c\u7814\u7a76\u4eba\u5458\u901a\u8fc7\u5c06\u9502\u5d4c\u5165\u5bfc\u7535\u56fa\u4f53\u57fa\u8d28\uff08Lix<\/sub>Si\u2013Li2<\/sub>O\uff09\u5236\u5907\u51fa\u7a33\u5b9a\u4e09\u7ef4\u9502\u91d1\u5c5e\u8d1f\u6781\uff0c\u5b9e\u9a8c\u8868\u660e\u8fd9\u79cd\u590d\u5408\u7535\u6781\u5728\u63d0\u9ad8\u9502\u79bb\u5b50\u4f20\u5bfc\u6027\u7684\u540c\u65f6\u53c8\u80fd\u6709\u6548\u7684\u4fdd\u62a4\u5d4c\u5728\u57fa\u8d28\u9502\u91d1\u5c5e\u4e0d\u76f4\u63a5\u548c\u7535\u89e3\u8d28\u63a5\u89e6\uff1b\u540c\u65f6\uff0c\u5b9e\u9a8c\u8fd8\u8bc1\u660e\u8fd9\u79cd\u7535\u6781\u6750\u6599\u5177\u6709\u4f4e\u6781\u6027\u3001\u7a33\u5b9a\u7684\u5faa\u73af\u7279\u6027\u548c\u9ad8\u7684\u80fd\u91cf\u8f93\u51fa\u3002\u8fd9\u4e00\u5de5\u4f5c\u4e3a\u9502\u91d1\u5c5e\u8d1f\u6781\u63d0\u4f9b\u4e86\u4e00\u9879\u8bbe\u8ba1\u539f\u5219\u548c\u6750\u6599\u5408\u6210\u7b56\u7565\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Three-dimensional stable lithium metal anode with nanoscale lithium islands embedded in ionically conductive solid matrix<\/a>\u00a0(PNAS, 2017, DOI:10.1073\/pnas.1619489114)\u3002<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4 Mr.Yao \u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\u3002<\/p>\n<\/p>\n
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