{"id":58075,"date":"2016-12-27T06:30:08","date_gmt":"2016-12-26T22:30:08","guid":{"rendered":"\/\/m.iemloyee.com\/?p=58075"},"modified":"2016-12-25T21:25:53","modified_gmt":"2016-12-25T13:25:53","slug":"nature%e5%ad%90%e5%88%8a%ef%bc%9a%e6%97%a0%e7%95%8c%e9%9d%a2%e9%98%bb%e6%8a%97%e7%9a%84%e5%85%a8%e5%9b%ba%e6%80%81%e9%94%82%e7%94%b5%e6%b1%a0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=58075","title":{"rendered":"Nature\u5b50\u520a\uff1a\u65e0\u754c\u9762\u963b\u6297\u7684\u5168\u56fa\u6001\u9502\u7535\u6c60"},"content":{"rendered":"

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

\u968f\u7740LIBs\u9010\u6e10\u6e17\u900f\u5230\u6211\u4eec\u751f\u6d3b\u4e2d\u7684\u6bcf\u4e00\u4e2a\u89d2\u843d\uff0c\u7ed9\u6211\u4eec\u5e26\u6765\u4fbf\u5229\u7684\u540c\u65f6\uff0c\u4e5f\u66b4\u9732\u51fa\u4e86\u4e0d\u5bb9\u5c0f\u89d1\u7684\u5f0a\u7aef\uff0c\u9664\u4e86\u5faa\u73af\u6027\u80fd\u5dee\u3001\u5bb9\u91cf\u8f83\u4f4e\u4e4b\u5916\uff0c\u66f4\u4e25\u91cd\u7684\u8981\u6570\u662f\u5b89\u5168\u95ee\u9898\u4e86\u3002\u6db2\u6001\u7535\u89e3\u6db2LIBs\u96be\u4ee5\u514b\u670d\u7684\u95ee\u9898\u5728\u56fa\u6001\u9502\u79bb\u5b50\u7535\u6c60\uff08SSLiBs\uff09\u8fd9\u770b\u5230\u4e86\u5e0c\u671b\u3002\u77f3\u69b4\u77f3\u578b\u7684\u56fa\u6001\u7535\u89e3\u6db2\u5177\u6709\u9ad8\u79bb\u5b50\u7535\u5bfc\u7387\uff0c\u5728\u591a\u79cd\u73af\u5883\u4e0b\u72b6\u6001\u7a33\u5b9a\uff0c\u8fd8\u5177\u6709\u7a33\u5b9a\u7684\u7535\u5316\u5b66\u7a97\u53e3\uff0c\u4e4b\u6240\u4ee5\u6ca1\u6709\u5f97\u5230\u5e7f\u6cdb\u4f7f\u7528\u7684\u539f\u56e0\u4e4b\u4e00\uff0c\u4fbf\u662f\u77f3\u69b4\u77f3\u56fa\u6001\u7535\u89e3\u6db2\u4e0e\u7535\u6781\u6750\u6599\u7684\u56fa-\u56fa\u63a5\u89e6\u9762\u4e0a\u5b58\u5728\u5f88\u9ad8\u7684\u754c\u9762\u963b\u6297\u3002<\/p>\n

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

\u77f3\u69b4\u77f3\u578b\u56fa\u6001\u7535\u89e3\u6db2\u65e9\u5728\u6570\u5341\u5e74\u4e4b\u524d\u5c31\u88ab\u7814\u7a76\uff0c\u963b\u788d\u7814\u7a76\u8fdb\u5c55\u7684\u4e3b\u8981\u95ee\u9898\u662f\u5176\u521a\u6027\u9676\u74f7\u7684\u6027\u8d28\uff0c\u4f7f\u5f97\u7535\u89e3\u6db2\u4e0e\u7535\u6781\u95f4\u5b58\u5728\u8f83\u9ad8\u754c\u9762\u963b\u6297\u3002\u6709\u4eba\u91c7\u7528\u8fc7\u52a0\u70ed\u751a\u81f3\u878d\u5316\u91d1\u5c5e\u9502\u7684\u65b9\u5f0f\u6765\u51cf\u5c11\u754c\u9762\u963b\u6297\uff0c\u4f46\u7ed3\u679c\u4e0d\u5c3d\u4eba\u610f\u3002\u6765\u81ea\u7f8e\u56fd\u9a6c\u91cc\u5170\u5927\u5b66\u5e15\u514b\u5206\u6821\u7684\u80e1\u826f\u5175<\/a>\uff08\u52a9\u6559\uff09\u548c Eric D.Wachsman<\/a>\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u7684\u8bfe\u9898\u7ec4\u5728Nature Materials\u4e0a\u53d1\u8868\u4e86\u9898\u4e3aNegating interfacial impedance in garnet-based solid-state Li metal batteries\u7684\u6587\u7ae0\uff0c\u5c55\u793a\u4e86\u4ed6\u4eec\u5728SSLiBs\u4e0a\u7684\u6700\u65b0\u8fdb\u5c55\u3002\u4ed6\u4eec\u901a\u8fc7\u539f\u5b50\u5c42\u6c89\u79ef\u7684\u65b9\u6cd5\uff0c\u4f7fAl2<\/sub>O3<\/sub>\u5305\u8986\u5728\u77f3\u69b4\u77f3\u578b Li7<\/sub>La2.75<\/sub>Ca0.25<\/sub>Zr1.75<\/sub>Nb0.25<\/sub>O12<\/sub>(LLCZN)\u4e0a\uff0c\u663e\u8457\u63d0\u5347\u4e86\u77f3\u69b4\u77f3\u578b\u56fa\u6001\u7535\u89e3\u6db2\uff08SSEs\uff09\u6da6\u6e7f\u6027\u548c\u7a33\u5b9a\u6027\uff0c\u66f4\u91cd\u8981\u7684\u662f\u628a\u754c\u9762\u963b\u6297\u75311710cm2<\/sup>\u964d\u4f4e\u5230\u4e861cm2<\/sup>\uff0c\u5e76\u901a\u8fc7\u5b9e\u9a8c\u548c\u7406\u8bba\u6a21\u62df\u8ba1\u7b97\u7684\u65b9\u6cd5\u7814\u7a76\u4e86\u6027\u80fd\u63d0\u5347\u7684\u539f\u7406\u3002<\/p>\n

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

\u56fe1.\u5236\u5907\u7684\u77f3\u69b4\u77f3\u578bLLCZN\u7535\u6781\u7684\u8868\u5f81<\/strong><\/p>\n

<\/p>\n

a).\u629b\u5149\u540e\u6de1\u9ec4\u8272LLCZN\u5c0f\u7403\u7684\u6570\u7801\u7167\u7247\uff0c\u5b83\u662f\u534a\u900f\u660e\u7684\uff0c\u751a\u81f3\u8fde\u4e0b\u9762\u7684\u5b57\u6bcd\u90fd\u80fd\u770b\u5f97\u89c1<\/p>\n

b).\u5236\u5907\u7684LLCZN\u548c\u6807\u51c6Li5<\/sub>La3<\/sub>Nb2<\/sub>O12<\/sub>\u7acb\u65b9\u77f3\u69b4\u77f3\u76f8\u7684XRD\u884d\u5c04\u5bf9\u6bd4\u56fe<\/p>\n

c).LLCZN\u5c0f\u7403\u7684SEM\u65ad\u9762\u56fe<\/p>\n

d).LLCZN\u5c0f\u7403\u7684SEM\u9876\u89c6\u56fe<\/p>\n

e).LLCZN\u5c0f\u7403\u572822-50\u2103\u8303\u56f4\u5185\u7535\u5316\u5b66\u963b\u6297\u8c31\u4fa7\u89c6\u56fe<\/p>\n

f).LLCZN\u79bb\u5b50\u7535\u5bfc\u6027\u7684\u5316\u5b66\u53cd\u5e94\u901f\u7387\u7684\u5bf9\u6570\u4e0e\u7edd\u5bf9\u6e29\u5ea6\u7684\u5012\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\u66f2\u7ebf<\/p>\n

\u56fe2.\u77f3\u69b4\u77f3\u578b\u56fa\u6001\u7535\u89e3\u6db2\u548c\u91d1\u5c5e\u9502\u7ed3\u5408\u754c\u9762\u7684\u8868\u5f81<\/strong><\/p>\n

<\/p>\n

a).\u7194\u878d\u91d1\u5c5e\u9502\u5728\u77f3\u69b4\u77f3\u578b\u56fa\u6001\u8868\u9762\u6da6\u6e7f\u884c\u4e3a\u7684\u793a\u610f\u56fe<\/p>\n

b).\u77f3\u69b4\u77f3\u578b\u56fa\u6001\u7535\u89e3\u6db2\/\u91d1\u5c5e\u9502\u754c\u9762\u7684SEM\u7167\u7247\u3002\u6ca1\u6709ALD-Al2<\/sub>O3<\/sub>\u5305\u8986\u65f6\uff0c\u5373\u4f7f\u52a0\u70ed\u6761\u4ef6\u4e0b\u91d1\u5c5e\u9502\u4e0e\u77f3\u69b4\u77f3\u754c\u9762\u63a5\u89e6\u4e5f\u5f88\u5fae\u5f31\uff0cALD-Al2<\/sub>O3<\/sub>\u5305\u8986\u540e\uff0c\u540c\u6837\u6761\u4ef6\u4e0b\u91d1\u5c5e\u9502\u4f1a\u5747\u4e00\u6574\u9f50\u5730\u6392\u5217\u5728\u77f3\u69b4\u77f3\u8868\u9762\u3002\u63d2\u56fe\u65f6\u5728ALD\u5904\u7406\u540e\uff0c\u91d1\u5c5e\u9502\u5728\u77f3\u69b4\u77f3\u8868\u9762\u6da6\u6e7f\u884c\u4e3a\u7684\u7167\u7247\u3002<\/p>\n

c).\u5916\u5f62\u5bf9\u79f0\u672a\u5305\u8986\u7684\u77f3\u69b4\u77f3\u7535\u6c60\uff0c\u63d2\u56fe\u662fALD\u5904\u7406\u540e\uff0c\u963b\u6297\u6709\u6240\u589e\u5f3a\u7684\u77f3\u69b4\u77f3\u7535\u6c60<\/p>\n

d).\u57280.1 mA cm\u22122<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u672a\u7528ALD\u5305\u8986\u5904\u7406\uff08\u9ed1\u8272\uff09\u548c\u7528ALD\u5305\u8986\u5904\u7406\uff08\u7ea2\u8272\uff09\u7535\u6c60\u7684\u5faa\u73af\u6027\u80fd\u6d4b\u8bd5\u5bf9\u6bd4\u56fe\u3002\u63d2\u56fe\u662f\u7531ALD\u5904\u7406\u540e\u7535\u6c60\u653e\u5927\u4e86\u7684\u6d4b\u8bd5\u66f2\u7ebf<\/p>\n

e).\u57280.2 mA cm\u22122<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cALD\u5904\u7406\u540e\u7535\u6c60\u6052\u7535\u6d41\u5faa\u73af\u6027\u80fd\u6d4b\u8bd5\u56fe<\/p>\n

\u56fe3.ALD-Al2<\/sub>O3<\/sub>\u5305\u8986\u77f3\u69b4\u77f3\u7535\u89e3\u6db2\u8868\u9762\u7684\u8868\u5f81\u56fe<\/strong><\/p>\n

<\/p>\n

a).Ti\u4fdd\u62a4\u5c42\u4e0b\uff0cALD-Al2<\/sub>O3<\/sub>\u5305\u8986\u77f3\u69b4\u77f3\u754c\u9762\u7684TEM\u65ad\u9762\u7167\u7247\uff0cb-g \u662fTEM\/HAADF\u7167\u7247<\/p>\n

b).\u754c\u9762\u65ad\u9762\u5904\u4fee\u6b63\u7684\u7535\u5b50\u80fd\u91cf\u635f\u5931\u5149\u8c31\uff08EELS\uff09\u56fe\u8c31\uff0c\uff08c-g\u5206\u522b\u662fAl,Li,O,Li\/Al\/O\u590d\u5408\u7269\uff0cTi\uff09<\/p>\n

h).250-1000eV\u8303\u56f4\u4e0bZr M-edge\u3001O K-edge\u3001LaM4,5-edge\u7684EELS\u56fe<\/p>\n

i).50-120eV\u8303\u56f4\u4e0bLi K-edge \u548c Al L-edge\u7684EELS\u56fe<\/p>\n

j).\u77f3\u69b4\u77f3\u548cALD-Al2<\/sub>O3<\/sub>\u754c\u9762\u5904\u9009\u53d6\u7535\u5b50\u884d\u5c04\u7167\u7247<\/p>\n

\u56fe4.\u7b2c\u4e00\u6027\u539f\u7406\u6a21\u62df\u8ba1\u7b97\u56fe<\/strong><\/p>\n

<\/p>\n

a\u3001b).\u91d1\u5c5e\u9502\u5728LiAl5<\/sub>O8<\/sub>(a)\u548c\u00a0Li2<\/sub>CO3<\/sub>(b)\u754c\u9762\u5904\u7684\u7406\u8bba\u6a21\u578b<\/p>\n

c-e).LLZO \u7cfb\u7edf\u4e0d\u540cLi\u5316\u5b66\u52bf\u4e0b\u76f8\u5e73\u8861\u7684\u5927\u7535\u4f4d\u76f8\u56fec\u3001d\u3001e\u5206\u522b\u4e3a\u9502\u5316\u5b66\u52bf=0 eV\u3001-0.06 eV\u3001-1.23 eV<\/p>\n

\u56fe5.\u91d1\u5c5e\u9502\u8d1f\u6781\u548cLLZCN\u7535\u89e3\u6db2\u6784\u6210\u7684\u9ad8\u5f00\u8def\u7535\u538b\u7535\u6c60\u6027\u80fd\u6d4b\u8bd5\u56fe<\/strong><\/p>\n

<\/p>\n

a).ALD\u5305\u8986LLCZN\u5b8c\u6574\u7535\u6c60\u7684\u793a\u610f\u56fe\uff0c\u91d1\u5c5e\u9502\u4f5c\u4e3a\u8d1f\u6781\uff0cLFMO\/\u70ad\u9ed1\/PVDF\u4f5c\u4e3a\u6b63\u6781\u7684\u7535\u6c60\u3002\u5728FEC\/FEMC\/HFE\uff08\u4f53\u79ef\u6bd420\uff1a60\uff1a20\uff09\u6dfb\u52a0\u5fae\u91cf1M LiPF6<\/sub>\u6709\u673a\u7535\u89e3\u6db2\uff0c\u63d0\u5347\u590d\u5408\u7269\u6b63\u6781\u548c\u77f3\u69b4\u77f3\u7535\u89e3\u6db2\u7684\u590d\u5408\u7a0b\u5ea6<\/p>\n

b).\u5de5\u4f5c\u7535\u6c60\u70b9\u4eaeLED\u7684\u7167\u7247\u3002\u6de1\u9ec4\u8272\u9897\u7c92\u662fALD\u5904\u7406\u540e\u7684LLCZN\u56fa\u6001\u7535\u89e3\u6db2\uff0c\u7528\u5851\u6599\u954a\u5b50\u8fde\u63a5LED\u706f\u6ce1\u548c\u7535\u6c60<\/p>\n

c).LFMO\/ALD-\u77f3\u69b4\u77f3 SSE\/Li\u7535\u6c60\u6052\u7535\u6d41\u5145\u653e\u7535\u6d4b\u8bd5\u56fe<\/p>\n

d).\u5faa\u73af\u6027\u80fd\u6d4b\u8bd5\u56fe<\/p>\n

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

\u5728\u89e3\u51b3\u56fa\u6001\u7535\u89e3\u6db2\u9502\u7535\u6c60\u9762\u79ef\u6bd4\u7535\u963b\u7684\u95ee\u9898\u4e0a\uff0c\u672c\u6587\u4f5c\u8005\u4f7f\u7528\u8d85\u8584ALD\u5305\u8986Al2<\/sub>O3<\/sub>,\u89e3\u51b3\u4e86\u9502\/\u77f3\u69b4\u77f3\u9ad8\u9762\u79ef\u6bd4\u7535\u963b\uff081710\u03a9 cm2<\/sup>\uff09\u7684\u96be\u9898\uff0c\u65b0\u5408\u6210\u7684Li\/ALD-\u5305\u8986\u77f3\u69b4\u77f3\u7ed3\u6784\u9762\u79ef\u6bd4\u7535\u963b\u57281\u03a9 cm2<\/sup>\u5de6\u53f3\u3002LMFO\u6b63\u6781\uff0c\u77f3\u69b4\u77f3LLCZN\u56fa\u6001\u7535\u89e3\u6db2\u548c\u91d1\u5c5e\u9502\u7ec4\u6210\u7684\u5b8c\u6574\u7535\u6c60\u5177\u6709\u5f88\u9ad8\u7684\u5f00\u8def\u7535\u538b\uff0c\u5e76\u8fdb\u884c\u4e86\u5b9e\u9a8c\u548c\u7406\u8bba\u6a21\u62df\u5bf9\u5176\u673a\u7406\u8fdb\u884c\u4e86\u89e3\u91ca\uff0c\u4e3a\u5168\u56fa\u6001\u9502\u7535\u6c60\u53d1\u5c55\u627e\u5230\u4e86\u65b0\u601d\u8def\uff0c\u5728\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u548c\u5b89\u5168\u6027\u826f\u597d\u7684\u5168\u56fa\u6001\u7535\u6c60\u90bb\u57df\u4e2d\u505a\u51fa\u4e86\u5de8\u5927\u8d21\u732e\u3002<\/p>\n

\u539f\u6587\u94fe\u63a5\uff1a<\/strong>Negating interfacial impedance in garnet-based solid-state Li metal batteries<\/a>(Nature Materials\uff0c2016\uff0cDOI: 10.1038\/NMAT4821)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5b66\u672f\u7ec4 YueZhou \u3010\u90d1\u8d8a\u6d32\u3011\u4f9b\u7a3f\u3002\u70b9\u8fd9\u91cc\u52a0\u5165\u6750\u6599\u4eba\u7684\u5927\u5bb6\u5ead<\/a>\u3002\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\uff0c\u6b22\u8fce\u5173\u6ce8\u5fae\u4fe1\u516c\u4f17\u53f7\uff0c\u5fae\u4fe1\u641c\u7d22\u201c\u65b0\u80fd\u6e90\u524d\u7ebf\u201d\u6216\u626b\u7801\u5173\u6ce8\u3002<\/p>\n

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