{"id":207786,"date":"2020-08-21T06:30:21","date_gmt":"2020-08-20T22:30:21","guid":{"rendered":"\/\/m.iemloyee.com\/?p=207786"},"modified":"2020-08-20T10:50:57","modified_gmt":"2020-08-20T02:50:57","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e6%b5%99%e6%b1%9f%e5%a4%a7%e5%ad%a6%e9%99%86%e7%9b%88%e7%9b%88%e5%9b%a2%e9%98%9fadv-funct-mater-%ef%bc%9a%e5%85%b7%e6%9c%89%e5%bf%ab%e9%80%9f%e7%a6%bb","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=207786","title":{"rendered":"\u6d59\u6c5f\u5927\u5b66\u9646\u76c8\u76c8\u56e2\u961fAdv. Funct. Mater.\uff1a\u5177\u6709\u5feb\u901f\u79bb\u5b50\u4f20\u8f93 \u52a8\u529b\u5b66\u7684\u6ce2\u72b6\u8d1f\u6781\u754c\u9762\u63a8\u8fdb\u5b9e\u7528\u5316\u9502\u91d1\u5c5e\u5168\u7535\u6c60"},"content":{"rendered":"
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98\uff05\uff09\u3002\u4f4e\u6e29\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08cryo-TEM\uff09\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86\u6ce2\u72b6\u72b6\u7eb3\u7c73\u7ed3\u6784SEI\u3001\u529f\u80fd\u548c\u7535\u5316\u5b66\u6027\u80fd\u4e4b\u95f4\u7684\u57fa\u672c\u5173\u7cfb\u3002\u6ce2\u6d6a\u72b6SEI\u7684\u79bb\u5b50\u4f20\u8f93\u80fd\u5792\u5927\u5927\u964d\u4f4e\uff0c\u53ef\u5b9e\u73b0\u6c89\u79ef\u8fc7\u7a0b\u4e2d\u7684\u6676\u7c92\u7c97\u5316\u548c\u5265\u79bb\u8fc7\u7a0b\u4e2d\u6d3b\u6027\u9502\u91d1\u5c5e\u7684\u5f7b\u5e95\u6eb6\u89e3\uff0c\u6548\u7f13\u89e3\u5b9e\u9645\u5168\u7535\u6c60\u4e2d\u7684\u201c\u6b7b\u9502\u201d\u5806\u79ef\u548c\u8d1f\u6781\u7c89\u5316\u95ee\u9898\u3002\u5728\u6781\u5177\u6311\u6218\u6027\u7684\u6761\u4ef6\u4e0b\uff0845 \u00b5m\u9502\u91d1\u5c5e\u8d1f\u6781\uff0c4.3 mAh cm-2<\/sup>\u9ad8\u5bb9\u91cfLiNi0.8<\/sub>Mn0.1<\/sub>Co0.1<\/sub>O2<\/sub>\u6b63\u6781\uff09\uff0c\u901a\u8fc7\u5e94\u7528\u6ce2\u6d6a\u72b6SEI\uff0c\u5168\u7535\u6c60\u8868\u73b0\u51fa\u663e\u8457\u63d0\u9ad8\u7684\u5faa\u73af\u5bff\u547d\uff08170\u6b21\u5faa\u73af\uff1b\u5bf9\u7167\u7535\u6c60\u4e3a20\u6b21\u5faa\u73af\uff09\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/b><\/strong>Engineering Wavy\u2010Nanostructured Anode Interphases with Fast Ion Transfer Kinetics: Toward Practical Li\u2010Metal Full Batteries<\/b><\/strong>\u201d<\/b><\/strong>\u53d1\u8868\u5728\u4e86Adv. 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d\uff09\u4f7f\u7528\u94dc\u7b94\u4f5c\u4e3a\u8d1f\u6781\u7684\u65e0\u9502\u5168\u7535\u6c60\uff08Cu\/NMC811\uff09\u7684\u957f\u671f\u5faa\u73af\u6027\u80fd\u3002<\/p>\n \u56fe<\/b><\/strong>2 \u4e0d\u540c\u7535\u89e3<\/b><\/strong>\u8d28<\/b><\/strong>\u4e2d\u9502\u91d1\u5c5e\u5728TEM<\/b><\/strong>\u7f51<\/b><\/strong>\u4e0a\u7684\u6c89\u79ef\u5f62\u8c8c<\/b><\/strong> a-d\uff09\u5728\u5e38\u89c4\u78b3\u9178\u916f\u7535\u89e3\u6db2\u4e2d\u679d\u6676\u72b6\u9502\u91d1\u5c5e\u6c89\u79ef (1 mAh cm-2<\/sup>) \u7684SEM\u548ccryo-TEM\u56fe\u3002\u9502\u91d1\u5c5e\u754c\u9762\u4e0a\u7684SEI\u5c42\u8868\u73b0\u51fa\u975e\u6676\u6001\uff08d\uff09\u3002<\/p>\n e-h\uff09\u5728\u589e\u6eb6\u5242\u7535\u89e3\u6db2\u4e2d\uff0c\u5757\u72b6\u9502\u91d1\u5c5e\u6c89\u79ef(1 mAh cm-2<\/sup>)\u7684SEM\u548ccryo-TEM\u56fe\u3002\u7eb3\u7c73\u6ce2\u6d6a\u72b6SEI\u5747\u5300\u5730\u5305\u8986\u5728\u5757\u72b6\u9502\u6c89\u79ef\u8868\u9762\uff08h\uff09\u3002<\/p>\n \u56fe<\/b><\/strong>3 <\/b><\/strong>\u5728SCCE\u7535\u89e3\u8d28\u4e2d\u5f62\u6210\u6ce2\u6d6a\u72b6SEI\u7eb3\u7c73\u7ed3\u6784<\/b><\/strong> a-c\uff09\u542b\u6709\u4e30\u5bcc\u7eb3\u7c73\u6676\u4f53\u9897\u7c92\u7684\u6ce2\u6d6a\u72b6SEI\u7684\u9ad8\u5206\u8fa8\u7387cryo-TEM\u56fe\u3002<\/p>\n d\uff09\u4f7f\u7528\u589e\u6eb6\u5242\u7535\u89e3\u6db2\u4e2d\u7684\u9502\u91d1\u5c5e\u754c\u9762\u7684XPS C 1s\uff0cN 1s\uff0cO 1s\u548cLi 1s\u6df1\u5ea6\u5206\u5e03\u3002\u00a0<\/p>\n e\uff09\u57fa\u4e8eSCCE\u548cCCE\u7535\u89e3\u8d28\u4e2d\u5178\u578b\u6eb6\u5242\u5316\u7ed3\u6784\u7684\u7535\u5b50\u5bc6\u5ea6\u7684\u9759\u7535\u52bf\u56fe\u3002<\/p>\n \u00a0f\uff09\u589e\u6eb6\u5242\u7535\u89e3\u6db2\u4e2dSEI\u7eb3\u7c73\u7ed3\u6784\u7684\u793a\u610f\u56fe\u548c\u53ef\u80fd\u7684\u5f62\u6210\u673a\u7406\u3002<\/p>\n \u56fe<\/b><\/strong>4 <\/b><\/strong>\u5177\u6709\u975e\u6676\u6001\u6216\u6ce2\u72b6SEI\u7eb3\u7c73\u7ed3\u6784\u7684\u9502\u91d1\u5c5e\u5265\u79bb\u5f62\u8c8c<\/b><\/strong> a-d\uff09\u5f53\u4f7f\u7528\u4f20\u7edf\u78b3\u9178\u916f\u7535\u89e3\u6db2\u65f6\uff0c\u5265\u79bb\u8fc7\u7a0b\u540e\uff0c\u5927\u91cf\u7684\u9502\u91d1\u5c5e\u88ab\u56f0\u5728\u66f2\u6298\u7684SEI\u5c42\u4e2d\uff0c\u8fd9\u662f\u5bfc\u81f4\u9502\u5e93\u4f26\u6548\u7387\u8f83\u4f4e\u7684\u4e3b\u8981\u539f\u56e0\u3002e-h\uff09\u589e\u6eb6\u5242\u7535\u89e3\u6db2\u4e2d\u9ad8\u6548\u7684\u9502\u91d1\u5c5e\u5265\u79bb\u884c\u4e3a\u3002<\/p>\n \u56fe<\/b><\/strong>5 <\/b><\/strong>T-Li\/NMC811\u5168\u7535\u6c60\u4e2d\u8584\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u5f62\u8c8c\u6f14\u53d8<\/b><\/strong> a\uff09\u57280.1 C\u500d\u7387\u4e0b\u4f7f\u7528\u589e\u6eb6\u5242\u7535\u89e3\u6db2\u7684\u5168\u7535\u6c60\u7684\u653e\u7535\/\u5145\u7535\u66f2\u7ebf\u3002b-i\uff09\u4f7f\u7528\u589e\u6eb6\u5242\u7535\u89e3\u6db2\uff08b-e\uff09\u6216\u4f7f\u7528\u4f20\u7edf\u78b3\u9178\u916f\u7535\u89e3\u6db2\uff08f-i\uff09\u5728\u4e0d\u540c\u5145\u653e\u7535\u72b6\u6001\u4e0b\u7684\u8d85\u8584\u9502\u8d1f\u6781\u76f8\u5e94SEM\u56fe\u50cf\u3002<\/p>\n \u3010\u5c0f\u7ed3<\/b>\u3011<\/p>\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u56e2\u961f\u62a5\u9053\u4e86\u542b\u6709\u9ad8\u6bd4\u4f8b\u65e0\u673a\u7eb3\u7c73\u6676\uff08Li3<\/sub>N\u548cLi2<\/sub>O\uff09\u7684\u6ce2\u6d6a\u72b6\u7eb3\u7c73\u7ed3\u6784SEI\uff0c\u7531\u4e8e\u754c\u9762\u79bb\u5b50\u8f6c\u79fb\u52a8\u529b\u5b66\u8f83\u5feb\uff0c\u53ef\u4ee5\u4fc3\u8fdb\u78b3\u9178\u916f\u7535\u89e3\u6db2\u4e2d\u9ad8\u6548\u7684\u9502\u91d1\u5c5e\u7535\u9540\/\u5265\u79bb\uff08\u57284 mAh cm-2<\/sup>\u65f6>98%\uff09\u3002\u5728\u4f4e\u6e29\u900f\u5c04\u7535\u955c\u7684\u5e2e\u52a9\u4e0b\uff0c\u5efa\u7acb\u4e86\u78b3\u9178\u916f\u7535\u89e3\u6db2\u4e2dSEI\u7ed3\u6784\u3001\u529f\u80fd\u4e0e\u7535\u6c60\u6027\u80fd\u4e4b\u95f4\u7684\u57fa\u672c\u5173\u7cfb\u3002\u901a\u8fc7\u8c03\u6574SEI\u7684\u5316\u5b66\u6210\u5206\u548c\u7a7a\u95f4\u7ed3\u6784\uff0c\u53ef\u4ee5\u5728\u5145\u7535\u8fc7\u7a0b\u4e2d\u5b9e\u73b0\u5927\u6676\u7c92\u9502\u6c89\u79ef\u548c\u9ad8\u6548\u9502\u91d1\u5c5e\u6eb6\u89e3\uff0c\u4ece\u800c\u6709\u6548\u89e3\u51b3\u8d1f\u6781\u7c89\u5316\u95ee\u9898\u3002\u5728\u6781\u5176\u82db\u523b\u7684\u6761\u4ef6\u4e0b\uff08\u537345\u03bcm\u9502\u8d1f\u6781\uff0cN\/P\u6bd4=2.09\uff0cE\/C\u6bd4=8.37 g Ah-1<\/sup>\uff09\uff0c\u5168\u7535\u6c60\u5728160\u6b21\u5faa\u73af\u4e2d\u53ef\u4ee5\u4fdd\u630180%\u4ee5\u4e0a\u7684\u5bb9\u91cf\u3002\u8be5\u5de5\u4f5c\u5c06SEI\u7279\u6027\uff08\u5305\u62ec\u5316\u5b66\u4fe1\u606f\u548c\u7eb3\u7c73\u7ed3\u6784\uff09\u4e0e\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u76f8\u5173\u8054\uff0c\u4e3a\u5b9e\u7528\u7684\u80fd\u91cf\u5bc6\u5ea6LMBs\u63d0\u4f9b\u4e86\u6709\u6548\u7684\u8bbe\u8ba1\u539f\u5219\u3002<\/p>\n
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