{"id":155053,"date":"2018-10-04T08:00:32","date_gmt":"2018-10-04T00:00:32","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=155053"},"modified":"2018-10-03T22:44:50","modified_gmt":"2018-10-03T14:44:50","slug":"chem-li1-3nb0-3mn0-4o2%e5%8d%95%e6%99%b6%e9%98%b4%e6%9e%81%e4%b8%ad%e5%b1%80%e5%9f%9f%e7%9f%ad%e7%a8%8b%e6%9c%89%e5%ba%8f%e6%95%88%e5%ba%94%e5%af%b9%e9%94%82%e6%89%a9%e6%95%a3%e7%9a%84%e5%bd%b1","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=155053","title":{"rendered":"Chem: Li1.3Nb0.3Mn0.4O2\u5355\u6676\u9634\u6781\u4e2d\u5c40\u57df\u77ed\u7a0b\u6709\u5e8f\u6548\u5e94\u5bf9\u9502\u6269\u6563\u7684\u5f71\u54cd"},"content":{"rendered":"

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

\u7535\u6c60\u9634\u6781\u6750\u6599\u7684\u6027\u80fd\u4e00\u76f4\u662f\u8fdb\u4e00\u6b65\u63d0\u9ad8\u9502\u79bb\u5b50\u7535\u6c60\u6280\u672f\u7684\u74f6\u9888\u3002\u65b0\u578b\u5bcc\u9502\u65e0\u5e8f\u5ca9\u76d0\u578b\u6750\u6599\u7684\u9502\u5b58\u50a8\u91cf\u8981\u8fdc\u9ad8\u4e8e\u5f53\u524d\u4e00\u7cfb\u5217\u9634\u6781\u6750\u6599\uff0c\u6709\u671b\u6210\u4e3a\u65b0\u4e00\u4ee3\u9634\u6781\u6750\u6599\u3002\u7136\u800c\u7531\u4e8e\u7f3a\u4e4f\u5bf9\u6750\u6599\u6027\u80fd\u548c\u884c\u4e3a\u7684\u57fa\u7840\u7406\u89e3\uff0c\u4f7f\u5176\u5728\u901a\u5411\u5546\u4e1a\u5316\u4e4b\u8def\u4e0a\u4e3e\u6b65\u7ef4\u8270\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u7f8e\u56fd\u52b3\u4f26\u65af\u4f2f\u514b\u5229\u56fd\u5bb6\u5b9e\u9a8c\u5ba4<\/strong>\u7684Guoying Chen<\/strong>\u7814\u7a76\u5458<\/strong>\u548c\u65af\u5766\u798f\u76f4\u7ebf\u52a0\u901f\u5668\u4e2d\u5fc3\uff08<\/strong>SLAC<\/strong>\uff09<\/strong>\u7684Yijin Liu<\/strong>\u7814\u7a76\u5458<\/strong>\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005<\/strong>\uff09\u5408\u4f5c\uff0c\u5728Chem<\/strong>\u4e0a<\/strong>\u53d1\u8868\u4e86\u9898\u4e3a\u201cUnderstanding the Effect of Local Short-Range Ordering on Lithium Diffusion in Li1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub> Single-Crystal Cathode<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u6587\u7ae0\u62a5\u9053\u4e86\u5bf9Li1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u5355\u6676\u6750\u6599\u5728\u79d2\u91cf\u7ea7\u53cd\u5e94\u8f6c\u53d8\u65f6\u6301\u7eed\u7684\u5316\u5b66\u68af\u5ea6\u89c2\u5bdf\uff0c\u63ed\u793a\u4e86\u5c40\u57df\u5316\u5b66\u5bf9\u5728\u903e\u6e17\u7f51\u7edc\u4e2dLi\u6269\u6563\u7684\u4e3b\u5bfc\u6548\u5e94\u3002\u501f\u52a92D\u548c3D\u7eb3\u7c73\u5c3a\u5ea6X\u5c04\u7ebf\u80fd\u8c31\u663e\u5fae\u955c\u89c2\u5bdf\u7ed3\u6784\u826f\u597d\u7684\u6676\u4f53\u6837\u54c1\uff0c\u5f62\u8c61\u5316\u5448\u73b0\u4e86\u4e9a\u7c92\u5b50\u5c42\u6b21\u4e0b\uff0c\u4ecb\u89c2\u5c3a\u5ea6\u5316\u5b66\u5206\u5e03\u968f\u7535\u8377\u6001\u53d8\u5316\u7684\u53d8\u5316\u60c5\u51b5\u3002\u6587\u7ae0\u8fdb\u4e00\u6b65\u63ed\u793a\u4e86\u70ed\u529b\u5b66\u6709\u5229\u7684\u77ed\u7a0b\u5e8fNb6\u548cMnNb5\u7684\u5b58\u5728\uff0c\u6b63\u662f\u8fd9\u4e9b\u77ed\u7a0b\u5e8f\u4fc3\u8fdb\u4e86\u975e\u5e73\u8861\u6269\u6563\u8def\u5f84\uff0c\u5e76\u4f7f\u5f97\u89c2\u5bdf\u5230\u7684Lix<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u9897\u7c92\u7684\u5316\u5b66\u4e0d\u5747\u5300\u6027\u589e\u5f3a\u3002<\/p>\n

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

\u56fe1\uff1a\u6676\u4f53\u6837\u54c1\u7684\u8868\u5f81\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(A)\u6676\u4f53\u7684SEM\u56fe\u50cf\uff0c\u6bd4\u4f8b\u5c3a\uff0c10\u03bcm\uff1b<\/p>\n

(B&C) Lix<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\uff08x=1.3,1.1,0.5\uff09\u5355\u6676\u6837\u54c1\u7684\u540c\u6b65\u8f90\u5c04PXRD\u56fe\u50cf(B)\u548c\u4e2d\u5b50\u884d\u5c04\u56fe\u50cf(C)\u3002<\/p>\n

\u56fe2\uff1aMn\u6c27\u5316\u6001\u7684\u4e8c\u7ef4\u5206\u5e03\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(A) Li1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u7684Mn-\u6c27\u5316\u6001\u7684\u7eb3\u7c73\u5c3a\u5ea6\u5206\u5e03\u56fe\uff1b<\/p>\n

(B) Li0.5<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u7684Mn-\u6c27\u5316\u6001\u7684\u7eb3\u7c73\u5c3a\u5ea6\u5206\u5e03\u56fe;<\/p>\n

(C) Li1.1<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u7684Mn-\u6c27\u5316\u6001\u7684\u7eb3\u7c73\u5c3a\u5ea6\u5206\u5e03\u56fe;<\/p>\n

(D)\u56fe(C)\u4e2d\u6240\u9009\u53d6\u9897\u7c92\uff08P1-P5\uff09\u4e0a\uff0cMn\u6c27\u5316\u6001\u7684\u76f8\u5bf9\u6982\u7387\u5206\u5e03\u3002<\/p>\n

\u56fe3\uff1aP1-P5\u9897\u7c92\u7684\u5316\u5b66\u68af\u5ea6\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(A)P1-P5\u9897\u7c92\u4e0aMn\u7684K\u8fb9\u80fd\u91cf\u7eb5\u6df1\u5206\u5e03\u56fe\uff1b<\/p>\n

(B)P1\u4e9a\u9897\u7c92\u5c42\u6b21\u5316\u5b66\u68af\u5ea6\uff1b<\/p>\n

(C)P5\u4e9a\u9897\u7c92\u5c42\u6b21\u5316\u5b66\u68af\u5ea6\uff1b<\/p>\n

(B&C)\u56fe\u4e2d\u7bad\u5934\u8868\u793a\u5c40\u57dfMn\u4ef7\u6001\u68af\u5ea6\u65b9\u5411\u3002<\/p>\n

\u56fe4\uff1aLi1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u4e2dMn\u6c27\u5316\u6001\u7684\u4e09\u7ef4\u5206\u5e03\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(A&B)\u8868\u793a\u4e9a\u9897\u7c92\u5c42\u6b21\u7684\u5316\u5b66\u4e0d\u5747\u5300\u6027\u76843D\u6548\u679c\u56fe\uff1b<\/p>\n

(C)\u7a7f\u8fc7\u9897\u7c92\u4e2d\u5fc3\u7684\u5207\u7247\u3002<\/p>\n

\u56fe5\uff1aLix<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\uff08x=1.3,1.1,0.5\uff09\u7684Williamson-Hall\u56fe\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe6\uff1a\u5728[110]\u6676\u5e26\u8f74\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u56fe\u50cf\u8868\u73b0\u51fa\u5f25\u6563\u7684\u884d\u5c04\u7279\u5f81\uff0c\u8bf4\u660eLi1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u4e2d\u5b58\u5728\u77ed\u7a0b\u6709\u5e8f\u3002<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe7\uff1aBVS\u9519\u914d\u8ba1\u7b97\u6784\u5efa\u7684\u9502\u79bb\u5b50\u903e\u6e17\u7f51\u7edc\u7684\u4e09\u7ef4\u8868\u9762\u8f6e\u5ed3\u56fe\u3002<\/strong><\/p>\n

\"\"<\/p>\n

(A-C)\u5177\u6709\u968f\u673a\u6784\u578b\u7684\u6700\u7a33\u5b9a\u8d85\u5355\u80de\u5728(100),(110)\u548c(111)\u9762\u4e0a\u7684\u6295\u5f71\uff1b<\/p>\n

(D-F)\u5177\u6709Nb\u6b63\u79bb\u5b50\u6709\u5e8f\u6784\u578b\u7684\u6700\u7a33\u5b9a\u8d85\u5355\u80de\u5728(100),(110)\u548c(111)\u9762\u4e0a\u7684\u6295\u5f71\uff1b<\/p>\n

(G-I)\u5177\u6709\u5bccNb\u6df7\u5408Mn-Nb\u6b63\u79bb\u5b50\u5e8f\uff08\u5982MnNb5<\/sub>\uff09\u7684\u6700\u7a33\u5b9a\u8d85\u5355\u80de\u5728(100),(110)\u548c(111)\u9762\u4e0a\u7684\u6295\u5f71\u3002<\/p>\n

\u56fe8: Li1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u9634\u6781\u9897\u7c92\u8fdb\u884c\u591a\u91cd\u957f\u5ea6\u5c3a\u5ea6\u53cd\u5e94\u673a\u5236\u7684\u793a\u610f\u56fe\u3002<\/strong><\/p>\n

\"\"<\/p>\n

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

\u6587\u7ae0\u572810-10<\/sup>m-10-5<\/sup>m\u8303\u56f4\u7684\u591a\u91cd\u957f\u5ea6\u5c3a\u5ea6\u5185\uff0c\u5bf9\u65e0\u5e8f\u5ca9\u76d0\u578b\u6750\u6599\u7684\u56fa\u6001\u53cd\u5e94\u673a\u5236\u548cLi\u6269\u6563\u8def\u5f84\u8fdb\u884c\u4e86\u7814\u7a76\u3002\u5c06SAED\uff0cDFT\u8ba1\u7b97\u548cBVS\u9519\u914d\u5206\u5e03\u7ed3\u5408\uff0c\u63ed\u793a\u4e86\u77ed\u7a0b\u5e8f\u7684\u5b58\u5728\uff0c\u8be5\u77ed\u7a0b\u5e8f\u4f1a\u5bf9\u65e0\u5e8f\u7ed3\u6784\u4e2d\u903e\u6e17\u9502\u6269\u6563\u7f51\u7edc\u4ea7\u751f\u6270\u52a8\u3002\u4f5c\u8005\u53d1\u73b0\u5728\u5927\u7684Li1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub>\u6676\u4f53\u7ecf\u5386\u79d2\u91cf\u7ea7\u6c27\u8fd8\u53cd\u5e94\u65f6\uff0c\u5373\u4f7f\u8f83\u957f\u7684\u5f1b\u8c6b\u9636\u6bb5\u4e4b\u540e\uff0c\u4e5f\u53ef\u5e7f\u6cdb\u89c2\u5bdf\u5230\u5316\u5b66\u4e0d\u5747\u5300\u6027\u3002\u4f5c\u8005\u63d0\u51fa\u5c40\u57df\u6b63\u79bb\u5b50\u5e8f\u53ef\u4f7fLi\u5728\u975e\u5e73\u8861\u8def\u5f84\u4e2d\u7684\u8fd0\u52a8\u8fdb\u884c\u201c\u91cd\u5b9a\u5411\u201d\uff0c\u4ece\u800c\u4ea7\u751f\u5316\u5b66\u4e0d\u5747\u5300\u6027\u3002\u6587\u7ae0\u4f7f\u7528\u5927\u7684\u5355\u6676\u6837\u54c1\u907f\u514d\u9897\u7c92\u5c3a\u5bf8\u3001\u6676\u9762\u3001\u6676\u754c\u3001\u5e94\u529b\u7b49\u4f5c\u7528\u7684\u5f71\u54cd\uff0c\u9610\u660e\u4e86\u7ed3\u6784\u7f3a\u9677\u548c\u5316\u5b66\u53cd\u5e94\u8fdb\u884c\u4e4b\u95f4\u7684\u7d27\u5bc6\u8054\u7cfb\uff0c\u5448\u73b0\u51fa\u5c40\u57df\u5316\u5b66\u662f\u5982\u4f55\u5bf9\u8fd9\u7c7b\u6750\u6599\u7684\u884c\u4e3a\u4ea7\u751f\u5173\u952e\u5f71\u54cd\u7684\u3002\u672c\u7814\u7a76\u7ed3\u679c\u8fdb\u800c\u4e3a\u5bfb\u627e\u66f4\u9ad8\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u7684\u6750\u6599\u63d0\u4f9b\u4e86\u6709\u76ca\u542f\u793a\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aUnderstanding the Effect of Local Short-Range Ordering on Lithium Diffusion in Li1.3<\/sub>Nb0.3<\/sub>Mn0.4<\/sub>O2<\/sub> Single-Crystal Cathode<\/a>\uff08Chem,2018,DOI: 10.1016\/j.chempr.2018.05.008\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u7eb3\u7c73\u6750\u6599\u7ec4Isobel\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n

\u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8\u5927\u5bb6\u5ead<\/a>\u3002<\/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

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1acailiaokefu<\/p>\n

\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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