{"id":179524,"date":"2019-07-06T06:30:29","date_gmt":"2019-07-05T22:30:29","guid":{"rendered":"\/\/m.iemloyee.com\/?p=179524"},"modified":"2019-07-05T16:56:26","modified_gmt":"2019-07-05T08:56:26","slug":"%e3%80%90%e5%b7%b2%e6%a0%a1%e7%a8%bf%e3%80%91%e6%be%b3%e5%a4%a7%e5%88%a9%e4%ba%9a%e4%bc%8d%e4%bc%a6%e8%b4%a1%e5%a4%a7%e5%ad%a6adv-energy-mater%e9%92%be%e7%a6%bb%e5%ad%90%e7%94%b5%e6%b1%a0","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=179524","title":{"rendered":"\u6fb3\u5927\u5229\u4e9a\u4f0d\u4f26\u8d21\u5927\u5b66Adv\u00a0Energy Mater:\u94be\u79bb\u5b50\u7535\u6c60\u5c42\u72b6\u9530\u6c27\u5316\u7269\u7535\u6781\u4e2d\u7684\u5c42\u72b6\u6ed1\u79fb\u548c\u6676\u683c\u7578\u53d8\u7ed3\u6784\u5206\u6790"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n \u76ee\u524d\u9502\u79bb\u5b50\u7535\u6c60(LIB)\u7684\u8fc5\u901f\u53d1\u5c55\u50ac\u751f\u4e86\u5bf9\u9502\u5143\u7d20\u7684\u5927\u91cf\u5f00\u91c7\u5229\u7528\uff0c\u4f46\u662f\u9502\u8d44\u6e90\u50a8\u91cf\u5728\u5730\u58f3\u4e2d\u7684\u542b\u91cf\u4e0d\u9ad8\uff0c\u8fd9\u96be\u4ee5\u6ee1\u8db3\u4f8b\u5982\u4fbf\u643a\u5f0f\u7535\u5b50\u8bbe\u5907\u3001\u7535\u52a8\u8f66\u8f86\u548c\u7535\u7f51\u5927\u89c4\u6a21\u50a8\u80fd\u84ec\u52c3\u53d1\u5c55\u7684\u9700\u6c42\u3002\u5728\u65b0\u7684\u50a8\u80fd\u6280\u672f\u4e2d\uff0c\u94a0\u79bb\u5b50\u7535\u6c60(SIB)\u548c\u94be\u79bb\u5b50\u7535\u6c60(PIB)\u662f\u6709\u671b\u66ff\u4ee3LIB\u7684\u4e24\u79cd\u7535\u6c60\u3002\u66f4\u8fdb\u4e00\u6b65\uff0c\u94be\u7684\u6807\u51c6\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u6bd4\u94a0\u66f4\u4f4e\uff0c\u56e0\u800c\u80fd\u591f\u83b7\u5f97\u66f4\u9ad8\u7684\u8fd0\u884c\u7535\u538b\u548c\u80fd\u91cf\u5bc6\u5ea6\u3002\u7136\u800c\uff0c\u7531\u4e8e\u94be\u79bb\u5b50\u7684\u79bb\u5b50\u534a\u5f84\u8f83\u5927\uff0c\u5728\u7535\u6781\u6750\u6599\u4e2dK+<\/sup>\u7684\u53ef\u9006\u8131\u5d4c\u52a8\u529b\u5b66\u7f13\u6162\u662f\u963b\u788d\u9ad8\u6027\u80fdPIB\u7684\u4e3b\u8981\u539f\u56e0\u3002\u8fc7\u6e21\u91d1\u5c5e\u5c42\u72b6\u6c27\u5316\u7269\u5177\u6709\u53ef\u4ee5\u5bb9\u7eb3\u5927\u79bb\u5b50\u76842D\u7ed3\u6784\uff0c\u5e76\u4e14\u4f5c\u4e3a\u6f5c\u5728\u7684PIB\u7535\u6781\u6750\u6599\u5f15\u8d77\u5e7f\u6cdb\u7684\u7814\u7a76\u5174\u8da3\u3002\u5176\u4e2d\uff0c\u9530\u5c42\u72b6\u6c27\u5316\u7269\u7531\u4e8e\u9530\u5143\u7d20\u7684\u542b\u91cf\u4e30\u5bcc\uff0c\u4e14\u5408\u6210\u6761\u4ef6\u6e29\u548c\u6613\u4e8e\u63a7\u5236\u6210\u4e3a\u4e86\u5f53\u524d\u7684\u7814\u7a76\u70ed\u70b9\u3002\u5df2\u7ecf\u62a5\u9053\u4e86\u5177\u6709P2\u578b\u659c\u65b9\u7ed3\u6784\u7684K0.3<\/sub>MnO2<\/sub>\u548c\u5177\u6709P3\u578b\u516d\u65b9\u7ed3\u6784\u7684K0.5<\/sub>MnO3<\/sub>\u5236\u5907\u7684\u7535\u6781\u5177\u6709\u5408\u7406\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u4f46\u8fd9\u7c7b\u6750\u6599\u4f9d\u65e7\u53d7\u9650\u4e8e\u500d\u7387\u6027\u80fd\u4e0d\u4f73\uff0c\u5faa\u73af\u5bff\u547d\u5dee\u4e14\u7535\u5316\u5b66\u5faa\u73af\u540e\u7ed3\u6784\u6f14\u53d8\u4e0d\u660e\u786e\u3002\u56e0\u6b64\uff0c\u5e94\u8be5\u8fdb\u4e00\u6b65\u7814\u7a76\u5145\u653e\u7535\u5faa\u73af\u671f\u95f4Kx<\/sub>MnO2<\/sub>\u53d1\u751f\u7ed3\u6784\u53d8\u5316\u5e76\u6539\u5584\u5176\u7535\u5316\u5b66\u6027\u80fd\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c<\/b><\/strong>\u6fb3\u5927\u5229\u4e9a\u4f0d\u4f26\u8d21\u5927\u5b66<\/b><\/strong>\u90ed\u518d\u840d<\/b><\/strong><\/b>\u6559\u6388\u548c\u6bdb\u5efa\u950b\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/b><\/strong>\u5408\u6210\u4e00\u79cd\u5177\u6709\u5355\u659c\u6676\u7cfbP’3\u578b\u7ed3\u6784\u7684KxMnO2<\/sub>\uff0c\u4f5c\u4e3a\u94be\u79bb\u5b50\u7535\u6c60\u7684\u6b63\u6781\u8bc4\u4f30\u5176\u7535\u5316\u5b66\u6027\u80fd\u3002\u4f7f\u7528\u539f\u4f4d\u540c\u6b65\u8f90\u5c04XRD\u7814\u7a76\u4e86K+<\/sup>\u7684\u53ef\u9006\u5d4c\u5165\u673a\u7406\uff0c\u53d1\u73b0K+<\/sup>\u63d2\u5c42\u673a\u5236\u4e0e\u76f8\u5173\u7684P3\u578bK0.5<\/sub>MnO2<\/sub>\u6750\u6599\u4e0d\u540c\u3002\u6b64\u5916\uff0c\u7528Co\u4ee3\u66ff\u5927\u7ea65\uff05Mn\u4ea7\u751fP’3\u578bKx<\/sub>Mn1-y<\/sub>Coy<\/sub>O2\u7535\u6781\u6750\u6599\uff0c\u7531\u4e8e\u6750\u6599\u5145\u653e\u7535\u671f\u95f4Jahn-Teller\u7578\u53d8\u7684\u51cf\u5c11\uff0c\u6539\u5584\u4e86\u5176\u500d\u7387\u6027\u80fd\u3002\u8be5\u5de5\u4f5c\u6df1\u5165\u89e3\u6790PIB\u7684\u9530\u57fa\u5c42\u72b6\u7535\u6781\u6750\u6599\u7684\u7ed3\u6784\u6f14\u53d8\u53ca\u5bf9\u7535\u5316\u5b66\u6027\u80fd\u7684\u5f71\u54cd\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u201cStructural Insight into Layer Gliding and Lattice Distortion in Layered Manganese Oxide Electrodes for Potassium-Ion Batteries<\/b><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Advanced Energy Materials<\/b><\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe\u4e00<\/b><\/strong>K<\/b><\/strong>0.3<\/b><\/sub><\/strong>MnO<\/b><\/strong>2<\/b><\/sub><\/strong>\u548cK<\/b><\/strong>0.3<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.95<\/b><\/sub><\/strong>Co<\/b><\/strong>0.05<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7684\u7ed3\u6784\u548c\u7269\u76f8\u8868\u5f81<\/b><\/strong> \uff08a\uff0cb\uff09K0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u7684\u4e2d\u5b50\u884d\u5c04\u56fe\u50cf\u53caRietveld\u7cbe\u4fee\u3002<\/p>\n \uff08c\uff09\u5e73\u9762\u7684K0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\uff08001\uff09\u6676\u9762\u7684STEM\u56fe\u50cf\u3002<\/p>\n \uff08d\uff09K0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u9897\u7c92\u7684SEM\u56fe\u50cf\u3002<\/p>\n \uff08e\uff09\u76f8\u5173\u7684\u5143\u7d20\u6620\u5c04\u56fe\u50cf\u3002<\/p>\n \u56fe\u4e8c<\/b><\/strong>K<\/b><\/strong>0.3<\/b><\/sub><\/strong>MnO<\/b><\/strong>2<\/b><\/sub><\/strong>\u548cK<\/b><\/strong>0.3<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.95<\/b><\/sub><\/strong>Co<\/b><\/strong>0.05<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7684\u7535\u5316\u5b66\u6027\u80fd\u8868\u5f81<\/b><\/strong>\u00a0 \uff08a\uff09K0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\uff0c\u626b\u63cf\u901f\u7387\u4e3a0.1mV s-1<\/sup>\u3002<\/p>\n \uff08b-d\uff09K0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u7684\u5145\u653e\u7535\u66f2\u7ebf\u4ee5\u53ca\u5faa\u73af\u6027\u80fd\u5bf9\u6bd4\u3002<\/p>\n \uff08e\uff09K0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u7684\u500d\u7387\u6027\u80fd\u3002<\/p>\n \uff08f\uff09K0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u5728\u5927\u500d\u7387\u4e0b\u7684\u5faa\u73af\u6027\u80fd\u3002<\/p>\n \u56fe\u4e09<\/b><\/strong>K<\/b><\/strong>0.3<\/b><\/sub><\/strong>MnO<\/b><\/strong>2<\/b><\/sub><\/strong>\u548cK<\/b><\/strong>0.3<\/b><\/sub><\/strong>Mn<\/b><\/strong>0.95<\/b><\/sub><\/strong>Co<\/b><\/strong>0.05<\/b><\/sub><\/strong>O<\/b><\/strong>2<\/b><\/sub><\/strong>\u7684\u539f\u4f4d\u540c\u6b65\u8f90\u5c04XRD<\/b><\/strong><\/p>\n \u56fe\u56db <\/b><\/strong>K<\/b><\/strong>x<\/b><\/sub><\/strong>MO<\/b><\/strong>2<\/b><\/sub><\/strong>\u5728\u5145\u653e\u7535\u671f\u95f4\u7684\u7ed3\u6784\u6f14\u53d8<\/b><\/strong>\u00a0 \uff08a\uff0cb\uff09\u57fa\u4e8eK0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u7684\u539f\u4f4d\u540c\u6b65\u8f90\u5c04\u7c89\u672b\u884d\u5c04\u6570\u636e\u8ba1\u7b97\u5f97\u5230\u7684\u6676\u80de\u53c2\u6570<\/p>\n \uff08c\uff09\u5355\u659c\u6676\u7cfbKx<\/sub>MO2<\/sub>(M = Mn + Co)\u4e2d\u6ed1\u79fb\u8dc3\u8fc1\u7684\u793a\u610f\u56fe<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/b><\/strong><\/p>\n \u603b\u4e4b\uff0c\u672c\u6587\u7814\u7a76\u4e86\u5355\u659c\u6676\u7cfbK0.3<\/sub>MnO2<\/sub>\u548cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u7684\u7535\u5316\u5b66\u6027\u80fd\u548c\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u7ed3\u6784\u6f14\u53d8\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u9879\u5de5\u4f5c\u63ed\u793a\u4e86\u7531\u94b4\u63ba\u6742\u5bfc\u81f4\u7684Mn3+<\/sup>\u5f15\u8d77\u7684\u534f\u540c\u4f5c\u7528\u6291\u5236Jahn-Teller\u7578\u53d8\uff0c\u4f7f\u5f97\u4e2d\u95f4\u5c42\u4e2dK+<\/sup>\u5404\u5411\u540c\u6027\u7684\u8fc1\u79fb\u8def\u5f84\u3002\u8fd9\u63d0\u9ad8\u4e86K+<\/sup>\u7684\u6269\u6563\u901f\u7387\u548c\u500d\u7387\u6027\u80fd\uff0cK0.3<\/sub>Mn0.95<\/sub>Co0.05<\/sub>O2<\/sub>\u5728\u7535\u538b\u8fd0\u884c\u7a97\u53e32.0-3.6 V\u4e0b\u7535\u6d41\u5bc6\u5ea6\u4e3a22 mA g-1<\/sup>\u4e0b\u63d0\u4f9b99 mAh g-1<\/sup>\u7684\u53ef\u9006\u5bb9\u91cf\uff08\u539f\u59cbK0.3<\/sub>MnO2<\/sub>\u6750\u6599\u7684\u53ef\u9006\u5bb9\u91cf\u4e3a77.1 mAh g-1<\/sup>\uff09\u3002\u8be5\u5de5\u4f5c\u63d0\u4f9b\u4e86\u5bf9\u5c42\u72b6\u6c27\u5316\u7269\u4e2dK+<\/sup>\u5d4c\u5165\u673a\u7406\u7684\u57fa\u672c\u89c1\u89e3\u5e76\u4e3a\u94be\u79bb\u5b50\u7535\u6c60\u5c42\u72b6\u6b63\u6781\u6750\u6599\u7684\u8fdb\u4e00\u6b65\u7684\u8bbe\u8ba1\u53ca\u6539\u6027\u63d0\u4f9b\u4e86\u65b0\u601d\u8def\uff0c\u5177\u6709\u5341\u5206\u91cd\u8981\u7684\u6307\u5bfc\u610f\u4e49\u3002<\/p>\n<\/b><\/strong><\/p>\n
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