{"id":169625,"date":"2019-03-18T06:30:41","date_gmt":"2019-03-17T22:30:41","guid":{"rendered":"\/\/m.iemloyee.com\/?p=169625"},"modified":"2019-03-17T21:57:02","modified_gmt":"2019-03-17T13:57:02","slug":"%e6%9c%aa%e5%9b%9e%e5%a4%8d-%e5%a4%a9%e5%a4%a7%e7%bd%97%e5%8a%a0%e4%b8%a5adv-mater-%e5%9d%97%e7%8a%b6%e7%ba%b3%e7%b1%b3%e7%bb%93%e6%9e%84%e6%9d%90%e6%96%99%e8%ae%be%e8%ae%a1%e5%8a%a9%e5%8a%9b","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=169625","title":{"rendered":"\u5929\u5927\u7f57\u52a0\u4e25Adv. Mater. :\u5757\u72b6\u7eb3\u7c73\u7ed3\u6784\u6750\u6599\u8bbe\u8ba1\u52a9\u529b\u6297\u65ad\u88c2\u9502\u91d1\u5c5e\u8d1f\u6781"},"content":{"rendered":"

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

\n \u9502\u91d1\u5c5e\u8d1f\u6781(LMA)\u7684\u7a33\u5b9a\u6027\u4e25\u91cd\u963b\u788d\u4e86\u5176\u5546\u4e1a\u5316\u3002\u76ee\u524d\uff0c\u7814\u7a76\u4eba\u5458\u5df2\u63d0\u51fa\u8bb8\u591a\u7b56\u7565\u6765\u63d0\u5347LMA\u7684\u7a33\u5b9a\u6027\uff0c\u5305\u62ec\u6784\u7b513D\u4e3b\u4f53\u3001\u6d82\u8986\u975e\u539f\u4f4d\u4fdd\u62a4\u819c\u3001\u5411\u7535\u89e3\u8d28\u4e2d\u52a0\u5165\u6dfb\u52a0\u5242\u4ee5\u53ca\u5236\u5907\u5177\u6709\u9ad8\u673a\u68b0\u5f3a\u5ea6\u7684\u51dd\u80f6\u548c\u56fa\u6001\u7535\u89e3\u8d28\u7b49\u3002\u4f46LMA\u4fdd\u62a4\u662f\u4e00\u9879\u7cfb\u7edf\u5de5\u7a0b\uff0c\u5c1a\u65e0\u6cd5\u5f7b\u5e95\u89e3\u51b3\u6240\u6709\u95ee\u9898\u3002\u5757\u72b6\u7eb3\u7c73\u7ed3\u6784\u6750\u6599(BNM)\u662f\u4e00\u7c7b\u5177\u6709\u7cbe\u7ec6\u7eb3\u7c73\u7ed3\u6784\u7684\u5757\u4f53\u6750\u6599\u3002\u6839\u636e\u7ecf\u9a8cHall-Petch(H-P)\u65b9\u7a0b\uff0c\u5c48\u670d\u5e94\u529b\u4e0e\u6750\u6599\u6574\u4f53\u7684\u5f3a\u5ea6\u548c\u786c\u5ea6\u76f8\u5173\uff0c\u4e0e\u6676\u7c92\u5c3a\u5bf8\u7684\u5e73\u65b9\u6839\u6210\u53cd\u6bd4\u3002\u56e0\u6b64\uff0c\u5206\u79bb\u7684\u6676\u7c92\u4f7f\u6750\u6599\u66f4\u575a\u56fa\uff0c\u75b2\u52b3\u8010\u4e45\u6781\u9650\u589e\u5f3a\u610f\u5473\u7740\u5728\u67d0\u4e9b\u5916\u90e8\u5e94\u529b\u4e0b\u65ad\u88c2\u7684\u5f62\u6210\u53d7\u5230\u6291\u5236\u3002\u540c\u65f6\uff0cBNM\u7684\u79bb\u5b50\u4f20\u8f93\u7279\u6027\u540c\u65f6\u663e\u8457\u589e\u52a0\uff0c\u56e0\u4e3a\u8d28\u91cf\u4f20\u9012\u6cbf\u6676\u754c\u6bd4\u5728\u6676\u7c92\u4e2d\u66f4\u5feb\u5730\u53d1\u751f\u3002\u7814\u7a76\u8868\u660e\uff0c\u5982\u679c\u6676\u7c92\u5c3a\u5bf8\u4f4e\u4e8e\u4e34\u754c\u5c3a\u5bf8\uff0c\u7535\u6781\u4f53\u79ef\u6ce2\u52a8\u5f15\u8d77\u7684\u5e94\u529b\u53ef\u4ee5\u81ea\u9002\u5e94\u800c\u4e0d\u53d1\u751f\u9897\u7c92\u7834\u88c2\u3002<\/p>\n

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

\n \u8fd1\u65e5\uff0c\u5929\u6d25\u5927\u5b66\u7f57\u52a0\u4e25\u6559\u6388(\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u6839\u636e\u5757\u72b6\u7eb3\u7c73\u7ed3\u6784\u6750\u6599\u6982\u5ff5\uff0c\u901a\u8fc7\u51b6\u91d1\u5de5\u827a\u8bbe\u8ba1\u4e86\u6297\u65ad\u88c2LMA\uff0c\u5e76\u5728Adv. Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cBulk Nanostructured Materials Design for Fracture-Resistant Lithium Metal Anodes<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u5728\u5757\u72b6\u7eb3\u7c73\u7ed3\u6784Li(BNL)\u4e2d\uff0c\u79bb\u5b50\u5bfc\u7535\u76f8\u5b58\u5728\u4e8e\u6676\u754c\u5904\uff0c\u4fc3\u8fdb\u4e86Li+<\/sup>\u4f20\u8f93\u3002 BNL\u4e2d\u7cbe\u7ec6\u7684\u9502\u6676\u7c92\u5c3a\u5bf8\u548c\u6c89\u6dc0\u786c\u5316\u63d0\u9ad8\u4e86\u673a\u68b0\u5f3a\u5ea6\u548c\u8010\u75b2\u52b3\u6027\uff0c\u51cf\u8f7b\u4e86\u4e0d\u5747\u5300\u5206\u5e03\u7684\u5e94\u529b\u5e76\u9632\u6b62\u7535\u6781\u7c89\u788e\u3002\u4f5c\u8005\u5229\u7528\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u7814\u7a76\u9502\u4e0e\u5404\u79cd\u6c27\u5316\u7269\u4e4b\u95f4\u7684\u7ed3\u5408\u80fd\uff0c\u53d1\u73b0SiO2<\/sub>\u662f\u7b5b\u9009\u6c27\u5316\u7269\u4e2d\u6700\u4f73\u7684\u6dfb\u52a0\u5242\u3002BNL\u5177\u670991 %\u7684\u9502\u91d1\u5c5e\u7406\u8bba\u5bb9\u91cf\u3002\u5728\u5177\u6709BNL\u8d1f\u6781\u7684\u5168\u7535\u6c60\u4e2d\uff0cLiFePO4<\/sub>\u572810 C\u4e0b\u5177\u670990 mAh\u00b7g-1<\/sup>\u7684\u5bb9\u91cf\uff0c\u6bd4\u5177\u6709\u9502\u7b94\u8d1f\u6781\u7684\u5168\u7535\u6c60\u9ad8\u51fa\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002\u8be5\u7b56\u7565\u6709\u671b\u4e3a\u6297\u65ad\u88c2LMA\u5728\u9502\u91d1\u5c5e\u7535\u6c60\u4e2d\u7684\u5e94\u7528\u94fa\u5e73\u9053\u8def\u3002<\/p>\n

\u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong>
\n \u56fe1 \u5757\u72b6\u7eb3\u7c73\u7ed3\u6784\u9502\u91d1\u5c5e\u8d1f\u6781\u8bbe\u8ba1<\/strong><\/p>\n

\"\"<\/p>\n

a) \u5faa\u73af\u8fc7\u7a0b\u4e2d\u5e38\u89c4\u9502\u7b94\u7f13\u6162\u7684\u754c\u9762\u53cd\u5e94\u4ee5\u53ca\u4e25\u91cd\u7684\u7535\u6781\u7c89\u788e\u793a\u610f\u56fe\uff1b
\n b) BNL\u5728\u957f\u671f\u5faa\u73af\u4e2d\u7684\u6297\u65ad\u88c2\u80fd\u529b\u7684\u793a\u610f\u56fe\uff1b
\n c) BNL\u5408\u6210\u8fc7\u7a0b\u7684\u793a\u610f\u56fe\uff0c\u5c06\u75d5\u91cf\u7684SiO2<\/sub>\u52a0\u5165\u5230\u7194\u878d\u7684\u9502\u4e2d\u5e76\u6405\u62cc\uff0c\u51b7\u5374\u540e\u5c06\u5f97\u5230\u7684BNL\u8f67\u5236\u5e76\u51b2\u538b\u6210\u5706\u76d8\u4f5c\u4e3a\u7535\u6781\u3002<\/p>\n

\u56fe2 \u5757\u4f53\u7eb3\u7c73\u7ed3\u6784\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

a) \u7eaf\u9502\u548cSiO2<\/sub>\u63ba\u5165\u91cf\u4e0d\u540c\u7684BNL\u7684XRD\u56fe\u8c31\uff1b
\n b) \u7eaf\u9502\u548c5 wt% SiO2<\/sub>\u63ba\u5165\u7684\u7845\u57faBNL\u7684TEM\u56fe\u50cf\uff1b
\n c) \u7845\u57faBNL\u7684SEM\u56fe\u50cf\u4ee5\u53ca\u76f8\u5e94\u7684\u7845\u5143\u7d20\u5206\u5e03\u56fe\u50cf\uff1b
\n d) \u7845\u57faBNL\u7684\u7535\u8377\u66f2\u7ebf\uff0c\u5176\u4e2d\u7535\u6d41\u5bc6\u5ea6\u4e3a1 mA\u00b7cm-2<\/sup>\uff0c\u622a\u6b62\u7535\u538b\u4e3a1.0 V\uff1b
\n e) \u4ea4\u6362\u7535\u6d41\u5bc6\u5ea6\u5b9e\u9a8c\u4e2d\u7845\u57faBNL\u548c\u9502\u7b94\u7684\u5854\u83f2\u5c14\u56fe\uff0c\u5176\u4e2d\u626b\u901f\u4e3a10 mV\u00b7s-1<\/sup>\uff1b
\n f) \u62c9\u4f38\u8bd5\u9a8c\u4e2d\u7845\u57faBNL\u548c\u9502\u7b94\u7684\u673a\u68b0\u6027\u80fd\uff0c\u5185\u63d2\u4e3a\u62c9\u4f38\u8bd5\u9a8c\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe3 \u5757\u72b6\u7eb3\u7c73\u7ed3\u6784\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u6297\u65ad\u88c2\u80fd\u529b<\/strong><\/p>\n

\"\"<\/p>\n

a,e) \u539f\u59cb\u9502\u7b94\u7684\u9876\u89c6\u548c\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff1b
\n b,f) 50\u6b21\u5faa\u73af\u540e\u9502\u7b94\u7684\u9876\u89c6\u548c\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff1b
\n c,g) \u539f\u59cb\u7845\u57faBNL\u7684\u9876\u89c6\u548c\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff1b
\n d,h) 50\u6b21\u5faa\u73af\u540e\u7845\u57faBNL\u7684\u9876\u89c6\u548c\u6a2a\u622a\u9762SEM\u56fe\u50cf\u3002<\/p>\n

\u56fe4 \u5757\u4f53\u7eb3\u7c73\u7ed3\u6784\u9502\u91d1\u5c5e\u8d1f\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

a) \u7535\u6d41\u5bc6\u5ea6\u4e3a1 mA\u00b7cm-2<\/sup>\u3001\u56fa\u5b9a\u5bb9\u91cf\u4e3a3 mAh\u00b7cm-2<\/sup>\u65f6\uff0c\u5177\u6709BNL\u8d1f\u6781\u548c\u9502\u7b94\u8d1f\u6781\u7684\u5bf9\u79f0\u7535\u6c60\u7684\u7535\u538b\u5206\u5e03\uff1b
\n b) \u7535\u6d41\u5bc6\u5ea6\u4e3a3 mA\u00b7cm-2<\/sup>\u3001\u56fa\u5b9a\u5bb9\u91cf\u4e3a1 mAh\u00b7cm-2<\/sup>\u65f6\uff0c\u5177\u6709BNL\u8d1f\u6781\u548c\u9502\u7b94\u8d1f\u6781\u7684\u5bf9\u79f0\u7535\u6c60\u7684\u7535\u538b\u5206\u5e03\uff1b
\n c) \u9636\u8dc3\u589e\u52a0\u7684\u7535\u6d41\u5bc6\u5ea6\u4e3a1\u81f310 mA\u00b7cm-2<\/sup>\u65f6\uff0c\u5177\u6709BNL\u8d1f\u6781\u548c\u9502\u7b94\u8d1f\u6781\u7684\u5bf9\u79f0\u7535\u6c60\u7684\u7535\u538b\u5206\u5e03\uff1b
\n d) \u5177\u6709BNL\u548c\u9502\u7b94\u8d1f\u6781\u7684\u5168\u7535\u6c60\u4e2dLiFePO4<\/sub>\u7684\u500d\u7387\u6027\u80fd\uff0c\u8d1f\u6781\u548cLiFePO4<\/sub>\u4e4b\u95f4\u7684\u5bb9\u91cf\u6bd4\u4e3a2\uff1a1\u3002<\/p>\n

\u56fe5 \u5757\u4f53\u7eb3\u7c73\u7ed3\u6784\u9502\u91d1\u5c5e\u8d1f\u6781\u7684DFT\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

a) Li+<\/sup>\u5728SiO2<\/sub>(001)\u8868\u9762\u4e0a\u6269\u6563\u7684\u6700\u4f4e\u80fd\u91cf\u8def\u5f84\uff1b
\n b) Li+<\/sup>\u5728Li22<\/sub>Si5<\/sub>(001)\u8868\u9762\u4e0a\u6269\u6563\u7684\u6700\u4f4e\u80fd\u91cf\u8def\u5f84\uff1b
\n c) Li+<\/sup>\u5728Li(001)\u8868\u9762\u4e0a\u8868\u9762\u4e0a\u6269\u6563\u7684\u6700\u4f4e\u80fd\u91cf\u8def\u5f84\uff1b
\n d) Li+<\/sup>\u5728SiO2<\/sub>\u3001Li22<\/sub>Si5<\/sub>\u548cLi\u8868\u9762\u4e0a\u7684\u4e09\u4e2a\u7b49\u6548\u5438\u9644\u4f4d\u70b9\u4e2d\u6269\u6563\u7684\u80fd\u91cf\u5206\u5e03\uff1b
\n e) Li+<\/sup>\u5728\u9502\u7b94\u4e0a\u6269\u6563\u548c\u7535\u9540\u7684\u793a\u610f\u56fe\uff1b
\n f) Li+<\/sup>\u5728BNL\u4e0a\u6269\u6563\u548c\u7535\u9540\u7684\u793a\u610f\u56fe\u3002<\/p>\n

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

\n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u901a\u8fc7\u7b80\u5355\u7684\u51b6\u91d1\u65b9\u6cd5\u5236\u5907\u4e86BNL\u91d1\u5c5e\u8d1f\u6781\u3002\u5728BNL\u4e2d\uff0c\u7cbe\u7ec6\u7684Li\u6676\u7c92\u548c\u79bb\u5b50\u5bfc\u7535\u76f8\u52a0\u901f\u4e86\u52a8\u529b\u4f20\u8d28\u8fc7\u7a0b\u3002\u968f\u7740\u6676\u7c92\u7ec6\u5316\u548c\u6c89\u6dc0\u786c\u5316\uff0c\u7535\u9540\/\u9000\u9540\u8fc7\u7a0b\u4e2d\u7535\u6781\u4f53\u79ef\u6ce2\u52a8\u5f15\u8d77\u7684\u4e0d\u5747\u5300\u5206\u5e03\u5e94\u529b\u5f97\u5230\u6709\u6548\u7f13\u89e3\u3002\u65e0\u9700\u5f15\u5165\u4e3b\u4f53\u6750\u6599\uff0cBNL\u53ef\u63d0\u4f9b91 %\u7684\u9502\u91d1\u5c5e\u7406\u8bba\u5bb9\u91cf\u3002Li\/Li+<\/sup>\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u6cbf\u6676\u754c\u53d1\u751f\uff0c\u53ef\u63d0\u9ad8BNL\u7684\u500d\u7387\u6027\u80fd\u3002BNL\u7684\u6982\u5ff5\u4e3a\u8bbe\u8ba1\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u9502\u6216\u5176\u4ed6\u91d1\u5c5e\u8d1f\u6781\u63d0\u4f9b\u4e86\u4e00\u79cd\u65b0\u65b9\u6cd5\u3002\u968f\u7740\u5bf9\u6c27\u5316\u7269\/\u5408\u91d1\u76f8\u6bd4\u548c\u5206\u5e03\u66f4\u6df1\u5165\u7684\u63a2\u7d22\uff0cBNL\u7684\u6027\u80fd\u6709\u671b\u5f97\u5230\u8fdb\u4e00\u6b65\u63d0\u9ad8\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aBulk Nanostructured Materials Design for Fracture-Resistant Lithium Metal Anodes<\/a> <\/strong>(Adv. Mater.<\/strong>, 2019, DOI: 10.1002\/adma.201807585)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u65b0\u80fd\u6e90\u5c0f\u7ec4abc940504\u3010\u8096\u6770\u3011\u7f16\u8bd1\u6574\u7406\uff0c\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065953\u201d\u3002<\/p>\n

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/strong><\/p>\n

\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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