{"id":226392,"date":"2021-08-24T06:56:51","date_gmt":"2021-08-23T22:56:51","guid":{"rendered":"\/\/m.iemloyee.com\/?p=226392"},"modified":"2021-08-23T20:57:07","modified_gmt":"2021-08-23T12:57:07","slug":"%e6%9d%a8%e5%8b%87%e7%8e%8b%e9%b8%a3%e7%94%9fnature%e5%ad%90%e5%88%8a%e5%b7%a5%e7%a8%8b%e5%8c%96na%e5%b1%82%e9%97%b4%e8%b7%9d%e5%8a%a9%e5%8a%9b%e9%92%a0%e7%a6%bb%e5%ad%90%e7%94%b5%e6%b1%a0%e7%9a%84","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=226392","title":{"rendered":"\u6768\u52c7&\u738b\u9e23\u751fNature\u5b50\u520a:\u5de5\u7a0b\u5316Na+\u5c42\u95f4\u8ddd\u52a9\u529b\u94a0\u79bb\u5b50\u7535\u6c60\u7684Mn\u57fa\u5c42\u72b6\u6b63\u6781"},"content":{"rendered":"

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

\u5c42\u72b6\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u662f\u9502\/\u94a0\/\u94be\u79bb\u5b50\u7535\u6c60\u6700\u91cd\u8981\u7684\u6b63\u6781\u6750\u6599\u4e4b\u4e00\uff0c\u5176\u5728\u5927\u89c4\u6a21\u5408\u6210\uff0c\u7406\u8bba\u6bd4\u5bb9\u91cf\uff0c\u4ee5\u53ca\u7535\u5316\u5b66\u6027\u80fd\u65b9\u9762\u5177\u6709\u8f83\u5927\u7684\u4f18\u52bf\u3002\u7136\u800c\uff0c\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u6b63\u6781\u901a\u5e38\u4f34\u968f\u7740\u4e0d\u826f\u76f8\u53d8\u548c\u6df1\u5ea6\u5faa\u73af\u540e\u7684\u5bb9\u91cf\u8870\u51cf\uff0c\u539f\u56e0\u5728\u4e8e\u8fc7\u6e21\u91d1\u5c5e\uff08Tm\uff09\u79bb\u5b50\u7684\u8fc1\u79fb\u5bfc\u81f4\u5c42\u5411\u5c16\u6676\u77f3\u8f6c\u53d8\uff0cTm\/O\u79bb\u5b50\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u8fc7\u7a0b\u4e2dTm-O\u952e\u7684\u5404\u5411\u5f02\u6027\u53d8\u5316\uff0c\u4ee5\u53caO-O\u3001Na(Li\uff0cK)-O\u548cTm-O\u4e4b\u95f4\u9759\u7535\u76f8\u4e92\u4f5c\u7528\u7684\u6f14\u5316\u3002\u6291\u5236\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u7684\u4e0d\u826f\u76f8\u53d8\u662f\u5408\u7406\u8bbe\u8ba1\u9ad8\u6027\u80fd\u5c42\u72b6\u6c27\u5316\u7269\u6b63\u6781\u7684\u5173\u952e\u548c\u57fa\u672c\u6311\u6218\u3002\u5176\u4e2d\uff0c\u9530\u57fa\u6c27\u5316\u7269\u7531\u4e8e\u5728\u5730\u58f3\u4e2d\u7684\u542b\u91cf\u9ad8\uff0cMn\u8d44\u6e90\u6210\u672c\u4f4e\u800c\u5907\u53d7\u5173\u6ce8\u3002\u7136\u800c\uff0c\u5faa\u73af\u8fc7\u7a0b\u4e2dMn\u79bb\u5b50\u7684\u5c42\u95f4\u8fc1\u79fb\u5bfc\u81f4\u4e86\u5feb\u901f\u5bb9\u91cf\u8870\u51cf\u3002\u7814\u7a76\u8868\u660e\uff0c\u901a\u8fc7\u589e\u52a0\u78b1\u91d1\u5c5e\uff08Li+<\/sup>\/Na+<\/sup>) \u5c42\u95f4\u8ddd\uff0c\u5c42\u72b6\u6c27\u5316\u7269\u4e2d\u7684\u5e93\u4ed1\u76f8\u4e92\u4f5c\u7528\u663e\u8457\u964d\u4f4e\uff0c\u8fd9\u4e3a\u4fc3\u8fdb\u5176Li+<\/sup>\/Na+<\/sup>\u8fc1\u79fb\u7387\uff0c\u6291\u5236\u5176\u76f8\u53d8\u548c\u6539\u5584\u5176\u7535\u5316\u5b66\u6027\u80fd\u63d0\u4f9b\u4e86\u53ef\u80fd\u6027\u3002<\/p>\n

\u8fd1\u65e5\uff0c\u53a6\u95e8<\/strong>\u5927\u5b66<\/strong>\u6768<\/strong>\u52c7\u6559\u6388<\/strong>\uff0c<\/strong>\u738b\u9e23\u751f<\/strong>\u6559\u6388<\/strong>\uff08<\/strong>\u5171\u540c<\/strong>\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u4ee5P2-Na0.67<\/sub>MnO2<\/sub>\u4e3a\u6a21\u578b\u6750\u6599\uff0c\u7814\u7a76\u4e86Na+<\/sup>\u5c42\u95f4\u8ddd\u53d8\u5316\u5bf9\u5c42\u72b6\u6c27\u5316\u7269\u7535\u5316\u5b66\u6027\u80fd\u7684\u5f71\u54cd\u3002\u5177\u4f53\u6765\u8bb2\uff0c\u672c\u6587\u63d0\u51fa\u4e86\u4e00\u79cd\u65e0\u5bb3\u7684\u6c34\u4ecb\u5bfc\u7b56\u7565\uff0c\u4ee5\u589e\u52a0P2-Na0.67<\/sub>MnO2<\/sub>\u6b63\u6781\u6750\u6599\u4e2d\u7684Na+<\/sup>\u5c42\u95f4\u8ddd\u3002\u6240\u5236\u5907\u7684\u6837\u54c1\u5177\u6709\u9875\u5ca9\u72b6\u7ed3\u6784\uff08S-NMO\uff09\u3001\u624b\u98ce\u7434\u72b6\u5f62\u8c8c\u548c\u4f18\u5f02\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u65e0\u9700\u8fdb\u4e00\u6b65\u7684\u7535\u6781\/\u7535\u89e3\u8d28\u4fee\u9970\u7684\u60c5\u51b5\u4e0b\uff0cS-NMO\u57280.1 C\u7684\u500d\u7387\u4e0b\u53ef\u63d0\u4f9b181 mAh g-1<\/sup>\u7684\u9ad8\u6bd4\u5bb9\u91cf\uff0c\u5176100\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u65e0\u660e\u663e\u8870\u51cf\uff0c\u540c\u65f6\u500d\u7387\u6027\u80fd\u4f18\u5f02\uff0c\u4e14\u5177\u67093000\u6b21\u7684\u957f\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a83%\u3002<\/p>\n

\u6b64\u5916\uff0c\u8054\u5408\u539f\u4f4d\u540c\u6b65\u8f90\u5c04X\u5c04\u7ebf\u884d\u5c04 (XRD) \u548c\u975e\u539f\u4f4d\u9b54\u89d2\u65cb\u8f6c\u6838\u78c1\u5171\u632f\uff08MAS NMR\uff09\u7ed3\u679c\u8868\u660e\uff0cS-NMO\u7535\u6781\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u6cbfc\u8f74\u8868\u73b0\u51fa\u96f6\u5e94\u53d8\u7279\u6027\uff0c\u4f53\u79ef\u53d8\u5316\u4ec5\u4e3a1.96%\u3002\u8fd9\u79cd\u57fa\u4e8e\u6c34\u4ecb\u5bfc\u7684\u5de5\u7a0b\u7b56\u7565\u540c\u65f6\u9002\u7528\u4e8e\u5176\u4ed6\u9530\u57fa\u548c\u94c1\u57fa\u5c42\u72b6\u6c27\u5316\u7269\uff0c\u5982Na0.67<\/sub>Zn0.1<\/sub>Mn0.9<\/sub>O2<\/sub>\u548cNa0.67<\/sub>Fe0.1<\/sub>Mn0.9<\/sub>O2<\/sub>\u3002\u66f4\u52a0\u91cd\u8981\u7684\u662f\uff0c\u7531\u6b64\u83b7\u5f97\u7684S-NMO\u6b63\u6781\u53ef\u4ee5\u50a8\u5b58\u5728\u6f6e\u6e7f\u7684\u73af\u5883\u4e2d\uff0c\u4ece\u800c\u964d\u4f4e\u4e86Mn\u57fa\u5c42\u72b6\u6c27\u5316\u7269\u7684\u5236\u9020\u548c\u50a8\u5b58\u6210\u672c\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cEngineering Na<\/strong>+<\/sup><\/strong>-layer spacings to stabilize Mnbased layered cathodes for sodium-ion batteries<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Commun.<\/i><\/em><\/strong>\u4e0a\u3002<\/p>\n

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

\u56fe<\/b><\/strong>\u4e00<\/b><\/strong>\u3001\u9759\u7535\u76f8\u4e92\u4f5c\u7528<\/b><\/strong>\"\"<\/b><\/strong>\uff08a\uff0cb\uff09Nax<\/sub>TmO2<\/sub>\u548cLiTmO2<\/sub>\u9759\u7535\u76f8\u4e92\u4f5c\u7528\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe<\/b><\/strong>\u4e8c\u3001\u6c34\u4ecb\u5bfc\u7684\u7b56\u7565-S-NMO\u5236\u5907\u8fc7\u7a0b\u793a\u610f\u56fe<\/b><\/strong>\"\"<\/b><\/strong><\/p>\n

\u56fe<\/b><\/strong>\u4e09<\/b><\/strong>\u3001S-NMO \u7684\u7ed3\u6784\u7279\u5f81<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff0cb\uff09\u539f\u59cbNa0.67<\/sub>MnO2<\/sub>\u3001S-NMO\u548c\u6c34\u5408\u76f8\u7684XRD\u548cFTIR\u5149\u8c31\uff1b<\/p>\n

\uff08c\uff09S-NMO\u548c\u6c34\u5408\u76f8\u768423<\/sup>Na{1<\/sup>H} REDOR-dephases MAS NMR\u56fe\u8c31\uff1b<\/p>\n

\uff08d-g\uff09\u539f\u59cbP2\u578bNa0.67<\/sub>MnO2<\/sub>\u6750\u6599\u7684SEM\uff0cEDS\u6620\u5c04\uff0cTEM\u548c\u00a0SAED\u7ed3\u679c\uff1b<\/p>\n

\uff08h-k\uff09S-NMO\u6750\u6599\u7684SEM\uff0cEDS\u6620\u5c04\uff0cTEM\u548cSAED\u7ed3\u679c\uff1b<\/p>\n

\u56fe<\/b><\/strong>\u56db<\/b><\/strong>\u3001\u539f\u59cbNa<\/b><\/strong>0.67<\/b><\/sub><\/strong>MnO<\/b><\/strong>2<\/b><\/sub><\/strong>\u548cS-NMO\u7684\u6c27\u5316\u8fd8\u539f\u884c\u4e3a<\/b><\/strong>\"\"<\/p>\n

\uff08a\uff09\u572824 mA g-1<\/sup>\u7684\u7535\u6d41\u4e0b\u5f97\u52302.0-4.4V\u5185\u7684dQ\/dV\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff090.1 mV-1<\/sup>\u65f6\u57281.5\u81f34.4V\u4e4b\u95f4\u5f97\u5230\u7684CV\u66f2\u7ebf\uff1b<\/p>\n

\uff08c\uff09\u57281.5-4.4V\u8303\u56f4\u5185\uff0c\u626b\u63cf\u901f\u7387\u5206\u522b\u4e3a0.1\u30010.5\u548c1mV-1<\/sup>\u65f6\u7684CV\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/b><\/strong>\u4e94<\/b><\/strong>\u3001S-NMO\u7684\u7535\u5316\u5b66\u6027\u80fd<\/b><\/strong>\"\"\uff08a-c\uff09\u57282.0-4.4V\uff0c2.0-4.0V\u548c1.5-4.0V\u7535\u538b\u8303\u56f4\u5185\uff0cS-NMO\u7535\u6781\u572824 mAg-1<\/sup>\u4e0b\u7684\u5faa\u73af\u6027\u80fd\u548c\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09S-NMO\u7535\u6781\u7684GITT\u6d4b\u8bd5\u7ed3\u679c\uff1b<\/p>\n

\uff08e\uff09\u539f\u59cbNa0.67<\/sub>MnO2<\/sub>\u548cS-NMO\u7535\u6781\u5206\u522b\u5728120\u548c960 mAg-1<\/sup>\u4e0b\u7684\u5faa\u73af\u6027\u80fd\u5bf9\u6bd4\uff1b<\/p>\n

\uff08f\uff09\u539f\u59cbNa0.67<\/sub>MnO2<\/sub>\u548cS-NMO\u5728\u7535\u538b2.0-4.0V\u8303\u56f4\u4e0b\u7684\u500d\u7387\u6027\u80fd\uff1b<\/p>\n

\uff08g\uff09\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0bS-NMO\u7684\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/b><\/strong>\u516d<\/b><\/strong>\u3001S-NMO\u7684\u7ed3\u6784\u6f14\u5316\u673a\u5236<\/b><\/strong>\"\"<\/p>\n

\uff08a-d\uff09\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\uff0cS-NMO\u7535\u6c60\u539f\u4f4dXRD\uff0c\u539f\u4f4dXRD\u7b49\u9ad8\u7ebf\u56fe\uff0c\u8ba1\u7b97\u6676\u683c\u53c2\u6570\u548c\u539f\u4f4d23<\/sup>Na MAS\u6838\u78c1\u5171\u632f\u8c31\uff1b<\/p>\n

\uff08e\uff09\u4e0d\u540c\u5faa\u73af\u5708\u6570\u4e0bS-NMO\u7684XRD\u7684\u5bf9\u6bd4\u3002<\/p>\n

\u56fe<\/b><\/strong>\u4e03<\/b><\/strong>\u3001\u6c34\u4ecb\u5bfc<\/b><\/strong>\u7b56\u7565<\/b><\/strong>\u7684\u4f18\u70b9<\/b><\/strong>\"\"\uff08a\uff0cb\uff09S-NZMO\u548cS-NFMO\u7684\u5f62\u8c8c\u548c\u5faa\u73af\u7a33\u5b9a\u6027\uff1b<\/p>\n

\uff08c\uff09S-NFMO\u548cS-NZMO\u57282.0-4.0 V\u7535\u538b\u8303\u56f4\u5185\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08d\uff09S-NMO\u3001\u6c34\u5408S-NMO\u548c\u518d\u8131\u6c34S-NMO\u7684FTIR\u5149\u8c31\u3002<\/p>\n

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

\u7efc\u4e0a\u6240\u8ff0\uff0c\u672c\u6587\u901a\u8fc7\u6c34\u4ecb\u5bfc\u7684\u7b56\u7565\u5f00\u53d1\u4e86\u4e00\u79cdS-NMO\u7535\u6781\uff0c\u8be5\u7535\u6781\u5177\u6709\u4f18\u5f02\u7684\u7535\u5316\u5b66\u6027\u80fd\u548c\u4f18\u5f02\u7684\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u5177\u6709\u63a5\u8fd1\u96f6\u5e94\u53d8\u7684\u6027\u80fd\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cS-NMO\u7535\u6781\u5177\u6709\u4f18\u8d8a\u7684\u8010\u6e7f\u6027\uff0c\u53ef\u4ee5\u50a8\u5b58\u5728\u9ad8\u5ea6\u6f6e\u6e7f\u7684\u73af\u5883\u4e2d\uff0c\u5e76\u964d\u4f4e\u5236\u5907\u548c\u50a8\u5b58\u5c42\u72b6\u6c27\u5316\u94a0\u7684\u6210\u672c\u3002\u6b64\u5916\uff0c\u8fd8\u9a8c\u8bc1\u4e86\u8fd9\u79cd\u6c34\u4ecb\u5bfc\u7b56\u7565\u5bf9\u5176\u4ed6\u5c42\u72b6\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u7684\u53ef\u884c\u6027\u3002\u672c\u5de5\u4f5c\u63d0\u51fa\u4e86\u6d88\u9664Nax<\/sub>TmO2<\/sub>\u76f8\u53d8\u7684\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u7b56\u7565\uff0c\u5e76\u4e3a\u4eca\u540e\u63a7\u5236\u5c42\u72b6\u8fc7\u6e21\u91d1\u5c5e\u6b63\u6781\u7ed3\u6784\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u65b0\u7684\u6307\u5bfc\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a\u201c<\/strong>Engineering Na<\/u><\/strong>+<\/sup><\/u><\/strong>-layer spacings to stabilize Mnbased layered cathodes for sodium-ion batteries<\/u><\/strong><\/a>\u201d(<\/strong>Nature Commun.<\/i><\/em><\/strong>\uff0c<\/b><\/strong>202<\/strong>1<\/strong>\uff0c<\/strong>10.1038\/s41467-021-25074-9<\/strong>)<\/strong><\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4ebaCYM\u7f16\u8bd1\u4f9b\u7a3f\u3002\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

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 <\/p>\n","protected":false},"excerpt":{"rendered":"

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