{"id":172320,"date":"2019-04-09T11:55:53","date_gmt":"2019-04-09T03:55:53","guid":{"rendered":"\/\/m.iemloyee.com\/?p=172320"},"modified":"2019-04-08T22:56:09","modified_gmt":"2019-04-08T14:56:09","slug":"%e4%bd%90%e6%b2%bb%e4%ba%9a%e7%90%86%e5%b7%a5%e5%ad%a6%e9%99%a2jacs-li%e6%8e%ba%e6%9d%82%e6%8f%90%e9%ab%98p2%e5%9e%8b%e9%92%a0%e6%ad%a3%e6%9e%81p2-na0-66li0-18fe0-12mn0-7o2%e5%be%aa%e7%8e%af%e7%a8%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=172320","title":{"rendered":"\u4f50\u6cbb\u4e9a\u7406\u5de5\u5b66\u9662JACS: Li\u63ba\u6742\u63d0\u9ad8P2\u578b\u94a0\u6b63\u6781P2-Na0.66Li0.18Fe0.12Mn0.7O2\u5faa\u73af\u7a33\u5b9a\u6027\u7814\u7a76"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n \u94a0\u79bb\u5b50\u7535\u6c60(SIBs)\u56e0\u5176\u5728\u7535\u7f51\u50a8\u80fd\u548c\u4f4e\u901f\u7535\u52a8\u6c7d\u8f66\u4e2d\u5e94\u7528\u7684\u5de8\u5927\u6f5c\u529b\u800c\u53d7\u5230\u8d8a\u6765\u8d8a\u591a\u7684\u5173\u6ce8\uff0c\u800c\u7ef4\u6301\u6b63\u6781\u7684\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u662f\u53d1\u5c55SIBs\u7684\u5173\u952e\u3002\u5176\u4e2d\uff0c\u94a0\u7535\u6b63\u6781\u5c42\u72b6\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269(Nax<\/sub>MO2)\u7531\u4e8e\u5176\u7406\u8bba\u6bd4\u5bb9\u91cf\u9ad8(~220\u2013270 mAh g-1<\/sup>)\u800c\u53d7\u5230\u5e7f\u6cdb\u5173\u6ce8\u3002\u867d\u7136\u5927\u591a\u6570\u5c42\u72b6\u6c27\u5316\u7269\u9502\u7535\u6b63\u6781\u91c7\u7528O3\u7ed3\u6784\uff0c\u4f46\u76f8\u5e94\u7684\u94a0\u7535\u6b63\u6781\u5219\u5177\u6709\u66f4\u591a\u7684\u70ed\u529b\u5b66\u7a33\u5b9a\u7ed3\u6784\uff0c\u4f8b\u5982O3\uff0cP3\u548cP2\u578b\u7b49\u7ed3\u6784\u3002\u4e4b\u524d\u7684\u6587\u732e\u62a5\u9053\u8868\u660e\uff0c\u8bb8\u591aP2\u578b\u94a0\u7535\u6b63\u6781\u57281.5-4.1\u00a0V\u7684\u7535\u538b\u8303\u56f4\u5185\uff0c\u5373\u5728\u9002\u5ea6\u7684\u5145\u7535\u6df1\u5ea6\u4e0b\uff0c\u624d\u5177\u6709\u826f\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u56e0\u6b64\uff0c\u53ea\u80fd\u63d0\u4f9b\u975e\u5e38\u6709\u9650\u7684\u5bb9\u91cf\uff08\u7ea6\u4e3a\u7406\u8bba\u503c\u768440-60\uff05\uff09\u3002\u7136\u800c\uff0c\u5176\u5728\u6df1\u5ea6\u5145\u653e\u7535\u72b6\u6001\u4e0b\u4f1a\u53d1\u751f\u4e0d\u53ef\u9006\u7684\u76f8\u53d8\u3002\u6bd4\u5982\uff0cP2\u578b\u7ed3\u6784\u6b63\u6781\u4f1a\u53d1\u751f\u7531P2’\u2192P2\uff08\u6709\u65f6\u901a\u8fc7OP4\uff09\u2192O2\u578b\u76f8\u7684\u4e0d\u53ef\u9006\u6f14\u53d8\uff0c\u4ece\u800c\u5f15\u8d77\u4e86\u6676\u683c\u4e2d\u4f4d\u9519\u7684\u5f62\u6210\uff0c\u5e76\u4e14\u5728\u7535\u6c60\u957f\u5faa\u73af\u4e2d\u7d2f\u79ef\u5e76\u6700\u7ec8\u4f1a\u9020\u6210\u6750\u6599\u7684\u7ed3\u6784\u5d29\u584c\u800c\u7f29\u77ed\u7535\u6c60\u5faa\u73af\u5bff\u547d\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u6700\u8fd1\uff0c\u4f50\u6cbb\u4e9a\u7406\u5de5\u5b66\u9662H<\/b><\/strong>ailong Chen<\/b><\/strong>\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u56e2\u961f\u8bbe\u8ba1\u4e86\u4e00\u79cd\u65b0\u578b\u5c42\u72b6\u6c27\u5316\u7269\u94a0\u79bb\u5b50\u7535\u6c60\u6b63\u6781P2-Na0.66<\/sub>Li0.18<\/sub>Fe0.12<\/sub>Mn0.7<\/sub>O2<\/sub>\uff0c\u8be5\u6b63\u6781\u6750\u6599\u57281.5-4.5\u00a0V\u7684\u5bbd\u7535\u538b\u8303\u56f4\u5185\u7a33\u5b9a\u5faa\u73af\uff0c\u5176\u5bb9\u91cf\u53ef\u9ad8\u8fbe190 mAh g-1<\/sup>\uff0c\u5e76\u572880\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a87%\u3002\u901a\u8fc7\u975e\u539f\u4f4d\u548c\u539f\u4f4dX\u5c04\u7ebf\u884d\u5c04\uff08XRD\uff09\u548c\u56fa\u6001\u6838\u78c1\u5171\u632f\uff08NMR\uff09\u8fdb\u4e00\u6b65\u8868\u5f81\u4e86\u5176\u51fa\u8272\u7684\u7a33\u5b9a\u6027\u5f52\u56e0\u4e8e\u9502\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u53ef\u9006\u8fc1\u79fb\u548c\u6d88\u9664\u6709\u5bb3\u7684P2-O2\u76f8\u53d8\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cLithium-doping stabilized high-performance P2-Na<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.7<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u00a0cathode for sodium ion batteries<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728JACS<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe\u4e00 <\/b><\/strong>\u00a0<\/b><\/strong>\u4e24\u79cd\u4e0d\u540c\u65b9\u5411\u7684P2-O2\u76f8\u8f6c\u53d8\u7684\u7ed3\u6784\u793a\u610f\u56fe<\/b><\/strong><\/p>\n \u56fe\u4e8c <\/b><\/strong>\u00a0\u00a0\u00a0<\/b><\/strong>P2-Na<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.7<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7684\u7269\u76f8\u8868\u5f81<\/b><\/strong><\/p>\n \uff08a\uff09\u57fa\u4e8eP2-Na0.66<\/sub>Li0.18<\/sub>Fe0.12<\/sub>Mn0.7<\/sub>O2<\/sub>\u7684\u540c\u6b65\u8f90\u5c04XRD\u7684Rietveld\u7ed3\u6784\u7cbe\u4fee<\/p>\n \uff08b\uff09\u57fa\u4e8eP2-Na0.66<\/sub>Li0.18<\/sub>Fe0.12<\/sub>Mn0.7<\/sub>O2<\/sub>\u7684\u4e2d\u5b50\u884d\u5c04\u7684Rietveld\u7ed3\u6784\u7cbe\u4fee<\/p>\n \uff08c\uff0cd\uff09\u4e0d\u540c\u653e\u5927\u500d\u6570\u4e0b\u7684SEM\u56fe\u50cf<\/p>\n \u56fe\u4e09 <\/b><\/strong>\u00a0<\/b><\/strong>Na<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.7<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7684\u7535\u5316\u5b66\u8868\u5f81<\/b><\/strong><\/p>\n \uff08a\uff09\u7535\u6c60\u572810mA g-1<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5145\u7535\/\u653e\u7535\u66f2\u7ebf<\/p>\n \uff08b\uff09\u5faa\u73af\u6027\u80fd\u548c\u5e93\u4f26\u6548\u7387<\/p>\n \uff08c\uff09CV\u66f2\u7ebf<\/p>\n \uff08d\uff09\u500d\u7387\u6027\u80fd<\/p>\n \u56fe\u56db <\/b><\/strong>\u00a0<\/b><\/strong>\u9ad8\u5206\u8fa8\u7387\u7684\u539f\u4f4d\u540c\u6b65\u8f90\u5c04X<\/b><\/strong>RD<\/b><\/strong>\u8c31\u56fe<\/b><\/strong><\/p>\n \u56fe\u4e94 \u90e8\u5206\u884d\u5c04\u5cf0\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u53d8\u5316\u56fe<\/b><\/strong><\/p>\n \u56fe\u516d <\/b><\/strong>\u00a0<\/b><\/strong>\u957f\u671f\u5faa\u73af\u524d\u540eNa<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.7<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u6b63\u6781\u7684\u540c\u6b65\u8f90\u5c04XRD\u6bd4\u8f83\u56fe<\/b><\/strong><\/p>\n \u56fe\u4e03 <\/b><\/strong>\u00a0<\/b><\/strong>\u5728\u4e0d\u540c\u5145\u7535\/\u653e\u7535\u72b6\u6001\u4e0b\u6536\u96c6\u7684Na<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.7<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7535\u6781\u7684\u975e\u539f\u4f4dXANES\u5149\u8c31<\/b><\/strong><\/p>\n \u56fe\u516b <\/b><\/strong>Na<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong>0.12<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.7<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7535\u6781\u6837\u54c1\u5728\u957f\u671f\u5145\u653e\u7535\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684<\/b><\/strong>7<\/b><\/sup><\/strong>Li pjMATPASS NMR\u8c31<\/b><\/strong><\/p>\n \u56fe\u4e5d<\/b><\/strong>Na<\/b><\/strong>0.66<\/b><\/sub><\/strong>Li<\/b><\/strong>0.18<\/b><\/sub><\/strong>Fe<\/b><\/strong><\/p>\n
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