{"id":183880,"date":"2019-08-23T06:30:09","date_gmt":"2019-08-22T22:30:09","guid":{"rendered":"\/\/m.iemloyee.com\/?p=183880"},"modified":"2019-08-21T10:11:28","modified_gmt":"2019-08-21T02:11:28","slug":"%e5%b7%b2%e6%a0%a1-%e5%b1%b1%e5%a4%a7%e5%a5%9a%e5%ae%9d%e5%a8%9fadv-energy-mater-%e4%ba%b2%e7%a1%ab%e5%b0%91%e5%b1%82mose2%e7%ba%b3%e7%b1%b3%e8%96%84%e7%89%87%e4%bf%ae%e9%a5%b0rgo%e4%bd%9c","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=183880","title":{"rendered":"\u5c71\u5927\u595a\u5b9d\u5a1fAdv. Energy Mater. : \u4eb2\u786b\u5c11\u5c42MoSe2\u7eb3\u7c73\u8584\u7247\u4fee\u9970rGO\u4f5c\u4e3a\u9502\u786b\u7535\u6c60\u7684\u786b\u4e3b\u4f53\u6750\u6599"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \n \u76ee\u524d\uff0c\u9502\u786b\u7535\u6c60(LSB)\u4ecd\u7136\u5b58\u5728\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u500d\u7387\u6027\u80fd\u8f83\u5dee\u7b49\u7f3a\u70b9\uff0c\u6e90\u4e8e\u672c\u8eab\u8f83\u4f4e\u7684\u7535\u5bfc\u7387\u548c\u9ad8\u4f53\u79ef\u81a8\u80c0\u6548\u5e94\uff0c\u963b\u788d\u4e86\u5176\u5546\u4e1a\u5316\u8fdb\u7a0b\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u5728\u5145\/\u653e\u7535\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u7684\u53ef\u6eb6\u6027\u957f\u94fe\u591a\u786b\u5316\u9502\u4ece\u6b63\u6781\u6269\u6563\u5230\u9502\u8d1f\u6781\u7684\u7a7f\u68ad\u6548\u5e94\uff0c\u964d\u4f4e\u4e86\u5e93\u4ed1\u6548\u7387\uff0c\u5bfc\u81f4\u6d3b\u6027\u6750\u6599\u7684\u635f\u5931\u3002\u7814\u7a76\u4eba\u5458\u5df2\u91c7\u7528\u4e0d\u540c\u7b56\u7565\u6765\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898\u5e76\u6539\u5584\u786b\u6b63\u6781\u7684\u7535\u5316\u5b66\u884c\u4e3a\u3002\u4f8b\u5982\uff0c\u53ef\u91c7\u7528\u591a\u79cd\u78b3\u8d28\u57fa\u5e95\u6765\u652f\u6491\u786b\uff0c\u5982\u7a7a\u5fc3\u78b3\u7403(HCS)\u3001\u4e2d\u7a7a\u7eb3\u7c73\u7ea4\u7ef4\u6216\u7eb3\u7c73\u7ba1\u3001\u6c27\u5316\u77f3\u58a8\u70ef\u7247\u548c3D\u5206\u7ea7\u591a\u5b54\u78b3\u7b49\u3002\u4e0a\u8ff0\u78b3\u6750\u6599\u53ef\u6539\u5584\u6b63\u6781\u7684\u5bfc\u7535\u6027\u4e14\u5bb9\u6613\u6269\u5145\u5bb9\u91cf\uff0c\u4f46\u7531\u4e8e\u591a\u786b\u5316\u7269\u548c\u975e\u6781\u6027\u78b3\u4e4b\u95f4\u7684\u5438\u5f15\u529b\u5f31\uff0c\u96be\u4ee5\u6709\u6548\u5730\u6d88\u9664\u7a7f\u68ad\u6548\u5e94\u3002\u6b64\u5916\uff0c\u8fd8\u5e94\u7528\u4e86\u91d1\u5c5e\u6c27\u5316\u7269\u3001\u786b\u5316\u7269\u3001\u6c2e\u5316\u7269\u548c\u6781\u6027\u78b3\u5316\u7269\u6765\u6539\u6027\u78b3\u8d28\u57fa\u8d28\u4ee5\u52a0\u5f3a\u591a\u786b\u5316\u9502\u7684\u9650\u5236\u3002\u5c3d\u7ba1\u5728LSB\u4e2d\u5df2\u7ecf\u63a2\u7d22\u4e86\u5927\u91cf\u7684\u6781\u6027\u91d1\u5c5e\u5316\u5408\u7269\uff0c\u4f46\u5f88\u5c11\u4ee5\u91d1\u5c5e\u7852\u5316\u7269\u4f5c\u4e3a\u786b\u7684\u4e3b\u4f53\u6750\u6599\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \n \u8fd1\u65e5\uff0c\u5c71\u4e1c\u5927\u5b66\u595a\u5b9d\u5a1f\u526f\u6559\u6388(\u901a\u8baf\u4f5c\u8005)\u7b49<\/strong>\u901a\u8fc7\u7b80\u4fbf\u7684\u6c34\u70ed\u6cd5\u5408\u6210\u4e86\u4eb2\u786b\u5c11\u5c42MoSe2<\/sub>\u7eb3\u7c73\u8584\u7247\u4fee\u9970\u7684rGO\u590d\u5408\u6750\u6599(MoSe2<\/sub>@rGO)\uff0c\u9996\u6b21\u4f5c\u4e3aLSB\u7684\u65b0\u578b\u786b\u4e3b\u4f53\u6750\u6599\uff0c\u5e76\u5728Adv. Energy Mater.<\/strong>\u4e0a\u53d1\u8868\u4e86\u9898\u4e3a\u201cSulfiphilic Few-Layered MoSe2<\/sub> Nanoflakes Decorated rGO as a Highly Efficient Sulfur Host for Lithium-Sulfur Batteries<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\u3002\u5177\u4f53\u800c\u8a00\uff0cMoSe2<\/sub>@rGO\u4e0d\u4ec5\u4e0e\u591a\u786b\u5316\u7269\u5f3a\u70c8\u76f8\u4e92\u4f5c\u7528\uff0c\u800c\u4e14\u8fd8\u589e\u5f3a\u591a\u786b\u5316\u7269\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u52a8\u529b\u5b66\uff0c\u4eb2\u786b\u7684MoSe2<\/sub>\u6709\u6548\u5730\u7f13\u89e3\u4e86\u6781\u5316\u95ee\u9898\u3002\u6b64\u5916\uff0cMoSe2<\/sub>@rGO\u6709\u5229\u4e8eLi2<\/sub>S\u7684\u5feb\u901f\u6210\u6838\u548c\u5747\u5300\u6c89\u79ef\uff0c\u6709\u52a9\u4e8e\u9ad8\u653e\u7535\u5bb9\u91cf\u548c\u826f\u597d\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u30020.1 C\u65f6\u521d\u59cb\u5bb9\u91cf\u4e3a1608 mAh\u00b7g-1<\/sup>\uff0c0.25 C\u65f6\u6bcf\u5faa\u73af\u7684\u8870\u51cf\u7387\u4e3a0.042 %\uff0c0.3 C\u3001\u9762\u79ef\u786b\u8d1f\u8f7d\u91cf\u4e3a4.2 mg\u00b7cm-2<\/sup>\u65f6\u53ef\u9006\u5bb9\u91cf\u4e3a870 mAh\u00b7g-1<\/sup>\u3002<\/p>\n \u3010\u56fe\u6587\u7b80\u4ecb\u3011<\/strong> A,B) \u4e0d\u540c\u653e\u5927\u500d\u6570\u7684FESEM\u56fe\u50cf\uff1b \u56fe2 MoSe2<\/sub>@rGO\u590d\u5408\u6750\u6599\u7684\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n A) MoSe2<\/sub>@rGO\u548crGO\u7684XRD\u56fe\u8c31\uff1b \u56fe3 MoSe2<\/sub>@rGO\/S\u7684\u5f62\u8c8c\u548c\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n A) MoSe2<\/sub>@rGO\/S\u7684FESEM\u56fe\u50cf\uff1b \u56fe4 MoSe2<\/sub>@rGO\u7535\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n A,B) \u626b\u901f0.1 mV\u00b7s-1<\/sup>\u548c0.3 mV\u00b7s-1<\/sup>\u65f6\uff0cMoSe2<\/sub>@rGO\/S\u548crGO\/S\u7535\u6781\u7684\u5cf0\u503c\u7535\u538b\uff1b \u56fe5 MoSe2<\/sub>@rGO\u7535\u6781\u7684\u5faa\u73af\u6027\u80fd<\/strong><\/p>\n A) MoSe2<\/sub>@rGO\/S\u548crGO\/S\u7535\u6781\u57281 C\u4e0b\u7684\u5faa\u73af\u6027\u80fd\uff1b \u56fe6 MoSe2<\/sub>@rGO\u7535\u6781\u7684\u7535\u5316\u5b66\u673a\u7406\u63a2\u7a76<\/strong><\/p>\n A,B) MoSe2<\/sub>@rGO\/S\u548crGO\/S\u4e24\u79cd\u7535\u6781\u57280.1~0.5 mV\u00b7s-1<\/sup>\u626b\u901f\u4e0b\u7684CV\u66f2\u7ebf\uff1b \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \n \u7efc\u4e0a\u6240\u8ff0\uff0c\u4f5c\u8005\u4f7f\u7528\u4eb2\u786b\u5c11\u5c42MoSe2<\/sub>\u7eb3\u7c73\u8584\u7247\u4fee\u9970rGO\u590d\u5408\u6750\u6599(MoSe2<\/sub>@rGO)\u4f5c\u4e3aLSB\u7684\u786b\u4e3b\u4f53\u6750\u6599\u3002\u901a\u8fc7\u7cfb\u7edf\u7814\u7a76\uff0c\u4f5c\u8005\u8be6\u7ec6\u63ed\u793a\u4e86MoSe2<\/sub>@rGO\u4f5c\u4e3a\u786b\u4e3b\u4f53\u6750\u6599\u7684\u4f18\u52bf\u3002\u9996\u5148\uff0c MoSe2<\/sub>\u4fee\u9970\u7684\u4eb2\u786b\u8868\u9762\u6709\u52a9\u4e8e\u786b\u548cLi2<\/sub>S\u7684\u5747\u5300\u5206\u6563\uff0c\u4ece\u800c\u964d\u4f4e\u63a5\u89e6\u7535\u963b\u5e76\u52a0\u901f\u9502\u79bb\u5b50\u5728\u6b63\u6781\u5185\u7684\u6269\u6563\u3002\u6b64\u5916\uff0cMoSe2<\/sub>@rGO\u53ef\u4e0e\u591a\u786b\u5316\u9502\u8868\u9762\u7ed3\u5408\uff0c\u4ee5\u51cf\u5c11\u7a7f\u68ad\u6548\u5e94\u5e76\u589e\u5f3aLSB\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u540c\u65f6\uff0cMoSe2<\/sub>\u53ef\u4ee5\u4fc3\u8fdb\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u52a8\u529b\u5b66\u4ee5\u53caLi2<\/sub>S\u7684\u6210\u6838\u8fc7\u7a0b\u3002\u4e0a\u8ff0\u4f18\u52bf\u6709\u52a9\u4e8e\u63d0\u9ad8\u4ee5MoSe2<\/sub>@rGO\/S\u4f5c\u4e3a\u6b63\u6781\u7684LSB\u7535\u5316\u5b66\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u57280.3 C\u7684\u7535\u6d41\u4e0b\u4e5f\u6d4b\u8bd5\u4e86\u5177\u67094.2 mg\u00b7cm-2<\/sup>\u7684\u8f83\u9ad8\u7684\u9762\u79ef\u786b\u8d1f\u8f7d\u7684\u7535\u6c60\uff0c\u5e76\u4e14\u5728\u5145-\u653e\u7535120\u6b21\u5faa\u73af\u4e4b\u540e\uff0c\u653e\u7535\u5bb9\u91cf\u4ecd\u7136\u53ef\u4ee5\u4fdd\u6301870 mAh\u00b7g-1<\/sup>\u3002<\/p>\n
\n \u56fe1 MoSe2<\/sub>@rGO\u590d\u5408\u6750\u6599\u7684\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n<\/p>\n
\n C,D) \u4e0d\u540c\u653e\u5927\u500d\u6570\u7684TEM\u56fe\u50cf\uff1b
\n E) HRTEM\u56fe\u50cf\uff1b
\n F) HAADF-STEM\u56fe\u50cf\uff1b
\n G,H) HAADF-HRTEM\u56fe\u50cf\uff1b
\n I-L) STEM-EDX\u5143\u7d20\u5206\u5e03\u3002<\/p>\n<\/p>\n
\n B) MoSe2<\/sub>@rGO\u548crGO\u7684N2<\/sub>\u5438\u9644\u7b49\u6e29\u7ebf\u53ca\u76f8\u5e94\u5b54\u5f84\u5206\u5e03\u66f2\u7ebf\uff1b
\n C) MoSe2<\/sub>@rGO\u7684\u62c9\u66fc\u5149\u8c31\uff1b
\n D) MoSe2<\/sub>@rGO\u7684XPS\u5168\u8c31\uff1b
\n E) MoSe2<\/sub>@rGO\u7684Mo 3d XPS\u5149\u8c31\uff1b
\n F) MoSe2<\/sub>@rGO\u7684Se 3d XPS\u5149\u8c31\u3002<\/p>\n<\/p>\n
\n B) MoSe2<\/sub>@rGO\/S\u7684EBS\u56fe\u50cf\uff1b
\n C) 155 \u2103\u5904\u7406\u524d\u540eMoSe2<\/sub>@rGO\/S\u7684\u62c9\u66fc\u5149\u8c31\uff1b
\n D-H) MoSe2<\/sub>@rGO\/S\u7684STEM-EDX\u5143\u7d20\u5206\u5e03\uff1b
\n I) rGO\/S\u7684FESEM\u56fe\u50cf\uff1b
\n J) rGO\/S\u7684EBS\u56fe\u50cf\uff1b
\n K) MoSe2<\/sub>@rGO\/S\u7684TGA\u66f2\u7ebf\u3002<\/p>\n<\/p>\n
\n C,D) MoSe2<\/sub>@rGO\/S\u7535\u6781\u7684\u7535\u6d41\u5bc6\u5ea6\u4e3a0.5 C(1 C = 1675 mAh\u00b7g-1<\/sup>)\u65f6\uff0c\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u500d\u7387\u7279\u6027\u548c\u5faa\u73af\u6027\u80fd\uff0c\u5176\u4e2d\u786b\u9762\u8f7d\u91cf\u4e3a1.3-1.6 mg\u00b7cm-2<\/sup>\uff1b
\n E,F) MoSe2<\/sub>@rGO\/S\u548crGO\/S\u7535\u6781\u5728\u4e0d\u540c\u626b\u901f\u4e0b\u7684\u7535\u538b-\u5bb9\u91cf\u66f2\u7ebf\u3002<\/p>\n<\/p>\n
\n B) MoSe2<\/sub>@rGO\/S\u548crGO\/S\u7535\u6781\u57281 C\u4e0b\u7684\u5faa\u73af\u6027\u80fd\uff1b
\n C) MoSe2<\/sub>@rGO\/S\u7535\u6781\u57280.25 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5faa\u73af\u6027\u80fd\u3002<\/p>\n<\/p>\n
\n C) Li+<\/sup>\u6269\u6563\u7684\u53cd\u5e94\u52a8\u529b\u5b66\uff1b
\n D) \u4e24\u79cd\u7535\u6781\u7684Tafel\u56fe\uff1b
\n E,F) \u5728MoSe2<\/sub>@rGO\u548crGO\u8868\u9762\u4e0a\u4ee52.05 V\u653e\u7535\u7684Li2<\/sub>S8<\/sub>\/\u56db\u7518\u9187\u4e8c\u7532\u919a\u6eb6\u6db2\u7684\u8ba1\u65f6\u7535\u6d41\u6cd5\u66f2\u7ebf\u3002<\/p>\n