{"id":246069,"date":"2023-01-19T06:00:50","date_gmt":"2023-01-18T22:00:50","guid":{"rendered":"\/\/m.iemloyee.com\/?p=246069"},"modified":"2023-01-18T18:08:23","modified_gmt":"2023-01-18T10:08:23","slug":"%e6%9c%80%e6%96%b0nature-energy%ef%bc%9a%e7%94%a8%e4%ba%8e%e9%94%82%e7%a1%ab%e7%94%b5%e6%b1%a0%e7%9a%84%e9%94%82%e5%8c%96%e9%87%91%e5%b1%9e%e7%9b%b8%e4%ba%8c%e7%a1%ab%e5%8c%96%e9%92%bc","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=246069","title":{"rendered":"\u6700\u65b0Nature Energy\uff1a\u7528\u4e8e\u9502\u786b\u7535\u6c60\u7684\u9502\u5316\u91d1\u5c5e\u76f8\u4e8c\u786b\u5316\u94bc"},"content":{"rendered":"
\u00a0\u5168\u6587\u901f\u89c8\uff1a<\/u><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6765\u81ea\u5251\u6865\u5927\u5b66<\/strong>Manish Chhowalla\u00a0&\u00a0Jieun Yang\u56e2\u961f<\/strong>\u62a5\u544a\u4e86\u5728\u8d2b\u7535\u89e3\u8d28\u6761\u4ef6\u4e0b\u4f7f\u7528\u9884\u9502\u5316\u91d1\u5c5e<\/strong>1T\u76f8\u4e8c\u7ef4\uff082D\uff09\u4e8c\u786b\u5316\u94bc\uff08Lix<\/sub>MoS2<\/sub>\uff09\u4f5c\u4e3a\u9ad8\u6027\u80fd\u9502\u786b\u7535\u6c60\u7684\u786b\u4e3b\u4f53\u6750\u6599\u3002<\/strong>\u5bfc\u7535\u548c\u4eb2\u6db2\u76841T\u76f8MoS2<\/sub>\u7eb3\u7c73\u7247\u7684\u9502\u5316\u5bfc\u81f4\u591a\u786b\u5316\u9502\u7684\u5438\u9644\u5f97\u5230\u6539\u5584\uff0c\u589e\u5f3a\u4e86Li+<\/sup>\u4f20\u8f93\uff0c\u52a0\u901f\u4e86\u7535\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66\uff0c\u591a\u786b\u5316\u7269\u8f6c\u5316\u5177\u6709\u4f18\u5f02\u7684\u7535\u50ac\u5316\u6d3b\u6027\u3002\u8fd9\u4e9b\u7279\u6027\u4f7f\u8f6f\u5305\u7535\u6c60\u80fd\u591f\u63d0\u4f9b441 Wh kg\u2212<\/sup>1<\/sup>\u548c735 Wh l\u2212<\/sup>1<\/sup>\u7684\u80fd\u91cf\u5bc6\u5ea6\uff0c\u4ee5\u53ca200\u6b21\u5faa\u73af\u540e85.2%\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u3002\u7814\u7a76\u7ed3\u679c\u4e3a\u57fa\u4e8e\u7535\u50ac\u5316\u6d3b\u6027\u548c\u5bfc\u7535\u4e8c\u7ef4\u6750\u6599\u7684\u5b9e\u7528Li-S\u6b63\u6781\u7684\u8bbe\u8ba1\u63d0\u4f9b\u4e86\u89c1\u89e3\u3002\u8be5\u7814\u7a76\u4ee5\u9898\u76ee\u4e3a\u201cLithiated metallic molybdenum disulfide nanosheets for high-performance lithium\u2013sulfur batteries\u201d\u7684\u8bba\u6587\u53d1\u8868\u5728\u9876\u7ea7\u671f\u520a Nature Energy<\/em>\u3002<\/p>\n \u80cc\u666f\u4ecb\u7ecd\uff1a<\/u><\/strong><\/p>\n 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\u672c\u6587\u4eae\u70b9<\/u><\/strong>: <\/u><\/strong><\/p>\n \u4f5c\u8005\u4f7f\u7528\u9502\u5316\u91d1\u5c5e1T\u76f8\u4e8c\u786b\u5316\u94bc\uff08Lix<\/sub>MoS2<\/sub>\uff09\u4f5c\u4e3a\u627f\u8f7d\u786b\u7684\u65e0\u7c98\u7ed3\u5242\u5bfc\u7535\u9634\u6781\u5b9e\u73b0\u9ad8\u6027\u80fd\u9502\u786b\u7535\u6c60\u3002\u8fc7\u53bb\u7814\u7a76\u8868\u660e\uff0c\u7531\u91d1\u5c5e1T\u76f8MoS2<\/sub>\u7684\u5355\u5c42\u7eb3\u7c73\u7247\u7ec4\u88c5\u7684\u7d27\u51d1\u578b\u7535\u6781\u5177\u6709\u9ad8\u5bfc\u7535\u6027\u3001\u4eb2\u6db2\u6027\u548c\u50ac\u5316\u6d3b\u6027\u3002\u7531\u4e8e\u6539\u5584\u4e86\u5bf9\u591a\u786b\u5316\u9502\u7684\u5438\u9644\uff0c\u589e\u5f3a\u4e86Li+<\/sup>\u7684\u4f20\u8f93\uff0c\u52a0\u901f\u4e86\u7535\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66\uff0c\u4ee5\u53ca\u5353\u8d8a\u7684\u591a\u786b\u5316\u7269\u8f6c\u5316\u7684\u7535\u50ac\u5316\u6d3b\u6027\uff0c\u8fd9\u4e9b\u5c5e\u6027\u5bfc\u81f4\u4e86\u786b\u7684\u5229\u7528\u7387\u8d85\u8fc785%\u3002\u5c06\u8fd9\u4e9b\u7279\u6027\u8f6c\u5316\u4e3a\u5b9e\u7528\u7684\u8f6f\u5305\u7535\u6c60\uff0c\u5b9e\u73b0\u4e868.21 mAh cm-2<\/sup>\u7684\u9762\u5bb9\u91cf\u548c\u8d85\u8fc7200\u6b21\u5faa\u73af85%\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u3002\u57fa\u4e8eLix<\/sub>MoS2<\/sub>\u7684\u5b89\u65f6\u7ea7\uff081.3\u00b10.05Ah\uff09\u8f6f\u5305\u7535\u6c60\u7684\u91cd\u91cf\u7ea7\u80fd\u91cf\u5bc6\u5ea6\u4e3a441 Wh kg-1<\/sup>\uff0c\u4f53\u79ef\u7ea7\u80fd\u91cf\u5bc6\u5ea6\u4e3a735 Wh l-1<\/sup>\u3002<\/p>\n \u56fe\u6587\u89e3\u6790<\/u><\/strong>: <\/u><\/strong><\/p>\n \u4e00\u3001Lix<\/sub>MoS2<\/sub>\u7684\u7ed3\u6784\u548c\u7535\u5316\u5b66\u8868\u5f81<\/strong><\/p>\n \u7528\u4e01\u57fa\u9502\u5316\u5b66\u65b9\u6cd5\u5bf9MoS2<\/sub>\u8fdb\u884c\u5316\u5b66\u5265\u79bb\uff0c\u5236\u5907\u4e86Lix<\/sub>MoS2<\/sub>\uff0c\u5e76\u4ece\u534a\u5bfc\u7535\u76f8\u8f6c\u5316\u4e3a\u91d1\u5c5e\u76f8\u3002\u91d1\u5c5e\u76f8\u7684Lix<\/sub>MoS2<\/sub>\u53ef\u4ee5\u901a\u8fc7\u5728\u6eb6\u5242\u4e2d\u8d85\u58f0\u5904\u7406\u5f62\u6210\u7a33\u5b9a\u7684\u5206\u6563\u4f53\u800c\u5265\u79bb\u6210\u5355\u5c42\u7684\u7eb3\u7c73\u7247\u3002<\/p>\n \u7eb3\u7c73\u7247\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u4ece\u5206\u6563\u4f53\u4e2d\u91cd\u65b0\u5806\u79ef\uff0c\u4ee5\u5f62\u6210\u81ea\u652f\u6491\u7684\u8584\u819c\u3002\u8fd9\u4e9bLix<\/sub>MoS2<\/sub>\u8584\u819c\u8868\u73b0\u51fa\u76f8\u5f53\u7684\u673a\u68b0\u7075\u6d3b\u6027\u548c\u5f3a\u5ea6\uff08\u56fe1a\uff09\u3002\u56fe1b\u4e2d\u5178\u578b\u8584\u819c\uff081 mg cm-2<\/sup>, ~2.4 \u00b5m\uff09\u7684\u6a2a\u622a\u9762\u626b\u63cf\u7535\u5b50\u663e\u5fae\u955c\uff08SEM\uff09\u56fe\u50cf\u663e\u793a\u4e86\u4e00\u4e2a\u5177\u6709\u5bc6\u96c6\u5806\u53e0\u7684\u7eb3\u7c73\u7247\u7684\u7d27\u51d1\u5c42\u72b6\u7ed3\u6784\u3002\u5728X\u5c04\u7ebf\u884d\u5c04\uff08XRD\uff09\u56fe\uff08\u56fe1c\uff09\u4e2d\uff0c\u5728~7.8\u00b0\u5904\u89c2\u5bdf\u5230\u4e00\u4e2a\u65b0\u7684\u5cf0\u503c\uff0c\u5bf9\u5e94\u4e8e\u7531\u9502\u5316\u4ea7\u751f\u7684\uff08001\uff09\u9762\u3002\u4e0e\u539f\u59cb\u76842H MoS2<\/sub>\u76f8\u6bd4\uff0cLix<\/sub>MoS2<\/sub>\u4e2d\u7684\uff08002\uff09\u5cf0\u4e5f\u5411\u66f4\u9ad8\u7684\u89d2\u5ea6\u79fb\u52a8\uff0c\u8868\u660e\u7eb3\u7c73\u7247\u4e4b\u95f4\u7684\u5c42\u95f4\u8ddd\u79bb\u8f83\u5c0f\u3002\u8fd9\u5f52\u56e0\u4e8e\u5e26\u8d1f\u7535\u8377\u76841T\u76f8MoS2<\/sub>\u7eb3\u7c73\u7247\u88ab\u5939\u5e26\u7684Li+<\/sup>\u9633\u79bb\u5b50\u5438\u5f15\u3002LixMoS2<\/sub>\u7684\u62c9\u66fc\u5149\u8c31\u663e\u793a\u4e86MoS2<\/sub>\u901a\u5e38\u7684A1g\u548cE2g 1\u5cf0\u4ee5\u53ca\u91d1\u5c5e1T\u76f8\u7279\u6709\u7684\u989d\u5916\u7684J1\u3001J2\u548cJ3\u5cf0\uff08\u56fe1d\uff09\u3002\u5982\u56fe1e\u6240\u793a\uff0c\u4f7f\u7528X\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\uff08XPS\uff09\u53d1\u73b0\uff0c\u9502\u5316\u6837\u54c1\u4e2d\u91d1\u5c5e1T\u76f8\u7684\u6d53\u5ea6\u4e3a85%\u3002\u8fd9\u6bd4\u975e\u9502\u5316\u91d1\u5c5eMoS2<\/sub>\uff08\u8868\u793a\u4e3a1T MoS2<\/sub>\uff09\u8981\u9ad8\uff0c\u540e\u8005\u901a\u5e38\u542b\u6709\u7ea670%\u76841T\u76f8\u3002<\/p>\n \u56fe<\/strong>1<\/strong>\u3001<\/strong>Lix<\/sub>MoS2<\/sub>\u7684\u5f62\u8c8c\u548c\u6027\u8d28\u3002a\uff0c\u8868\u73b0\u51fa\u76f8\u5f53\u5927\u67d4\u97e7\u6027\u7684\u72ec\u7acbLix<\/sub>MoS2<\/sub>\u8584\u819c\u7684\u56fe\u50cf\u3002b\uff0cLix<\/sub>MoS2<\/sub>\u8584\u819c\u7684\u6a2a\u622a\u9762SEM\u56fe\u50cf\uff0c\u663e\u793a\u5806\u53e0\u7eb3\u7c73\u7247\u7684\u5c42\u72b6\u7ed3\u6784\u3002\u6bd4\u4f8b\u5c3a\uff0c1 \u00b5m\u3002c\u3001d\uff0cLix<\/sub>MoS2<\/sub>\u7684XRD\u56fe\uff08c\uff09\u548c\u62c9\u66fc\u5149\u8c31\uff08d\uff09\u4e0e\u5757\u72b62H MoS2<\/sub>\u7c89\u672b\u7684\u6bd4\u8f83\u3002Lix<\/sub>MoS2<\/sub>\u7684XRD\u56fe\u4ec5\u663e\u793a\uff08001\uff09\u548c\u504f\u79fb\u7684\uff08002\uff09\u884d\u5c04\u5cf0\uff0c\u8fd9\u4e9b\u884d\u5c04\u5cf0\u7531\u5806\u53e0\u7684\u7eb3\u7c73\u7247\u4e4b\u95f4\u7684\u95f4\u8ddd\u5f15\u8d77\u3002Lix<\/sub>MoS2<\/sub>\u7684\u62c9\u66fc\u5149\u8c31\u4e2d\u7684J1<\/sub>\u3001J2<\/sub>\u548cJ3<\/sub>\u5cf0\u4ee5\u53ca\u5e38\u89c1\u7684A1g<\/sub>\u548cE2g<\/sub>1<\/sup>\u5cf0\u8868\u660e\u5b58\u57281T\u76f8\u3002e\uff0cMo 3d\u7684\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31\uff0c\u663e\u793aLix<\/sub>MoS2<\/sub>\u4e2d\u91d1\u5c5e1T\u76f8\u7684\u6d53\u5ea6\u7ea6\u4e3a85%\u3002\u6d4b\u91cf\u6570\u636e\u663e\u793a\u4e3a\u7070\u8272\u7a7a\u5fc3\u65b9\u5757\u3002a.u.\uff0c\u4efb\u610f\u5355\u4f4d<\/strong>\u3002<\/strong><\/p>\n <\/p>\n \u4e3a\u4e86\u7814\u7a76\u57fa\u4e8eLix<\/sub>MoS2<\/sub>\u7684\u9634\u6781\u5728\u9502\u786b\u7535\u6c60\u4e2d\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u5236\u5907\u4e86Lix<\/sub>MoS2<\/sub>\/\u786b\u590d\u5408\u6750\u6599\uff08\u786b>70wt%\uff09\u5e76\u5c06\u5176\u7ec4\u88c5\u5230\u5e26\u6709\u9502\u91d1\u5c5e\u9633\u6781\u7684\u7ebd\u6263\u7535\u6c60\u4e2d\uff08\u65b9\u6cd5\uff09\u3002Lix<\/sub>MoS2<\/sub>\u548c\u5176\u4ed6\u5bf9\u7167MoS2<\/sub>\u9634\u6781\u7684\u6052\u6d41\u5145\u653e\u7535\uff08GCD\uff09\u66f2\u7ebf\u8868\u73b0\u51fa\u5178\u578b\u7684\u9502\u786b\u7535\u6c60\u884c\u4e3a\uff0c\u5206\u522b\u57282.4V\uff08Li2<\/sub>S6<\/sub>\u5230Li2<\/sub>S4<\/sub>\uff09\u548c2.1V\uff08Li2<\/sub>S4<\/sub>\u5230Li2<\/sub>S2<\/sub>\/Li2<\/sub>S\uff09\u51fa\u73b0\u4e86\u4e24\u4e2a\u7279\u5f81\u6027\u7684\u653e\u7535\u5e73\u53f0\uff08\u56fe2a\uff09\u3002Lix<\/sub>MoS2<\/sub>\u9634\u6781\u57280.1C\u65f6\u663e\u793a\u51fa1425 mAh g-1<\/sup>\u7684\u6bd4\u5bb9\u91cf\uff0c\u8fdc\u8fdc\u9ad8\u4e8e\u7531\u534a\u5bfc\u7535\u76842H MoS2<\/sub>\uff08364 mAh g-1<\/sup>\uff09\u5236\u6210\u7684\u9634\u6781–\u5373\u4f7f\u5728\u4e0e\u5bfc\u7535\u78b3\u6df7\u5408\u540e\uff08\u8868\u793a\u4e3a2H MoS2<\/sub>\/C\uff0c728 mAh g-1<\/sup>\uff09–\u4ee5\u53ca\u975e\u9502\u5316\u91d1\u5c5e1T MoS2<\/sub>\uff081179 mAh g-1<\/sup>\uff09\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u4e00\u5bb9\u91cf\u8868\u660e\u786b\u7684\u5229\u7528\u7387\u4e3a85.2%\uff08100%\u786b\u5229\u7528\u7684\u7406\u8bba\u5bb9\u91cf\u4e3a1,672 mAh g-1<\/sup>\uff09\u3002\u6b64\u5916\uff0c\u5728\u8fd9\u4e9b\u9634\u6781\u4e2d\uff0cLix<\/sub>MoS2<\/sub>\u5728\u76f8\u540c\u7684\u6761\u4ef6\u4e0b\u663e\u793a\u51fa\u6700\u4f4e\u7684\u6781\u5316\u7535\u538b\u95f4\u9699\uff0c\u8fd9\u8868\u660e\u5728\u5145\u7535\/\u653e\u7535\u8fc7\u7a0b\u4e2d\uff0c\u7531\u4e8e\u7535\u50ac\u5316\u6d3b\u6027\u7684\u63d0\u9ad8\uff0c\u9633\u6781\/\u9634\u6781\u53cd\u5e94\u66f4\u65e9\u3002Lix<\/sub>MoS2<\/sub>\u9634\u6781\u76f8\u5bf9\u8f83\u597d\u7684\u901f\u7387\u80fd\u529b\uff081C\u65f667%\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\uff1b\u56fe2b\uff09\u4e5f\u63ed\u793a\u4e86\u5176\u589e\u5f3a\u7684Li+<\/sup>\u4f20\u8f93\u548c\u53cd\u5e94\u52a8\u529b\u5b66\u3002<\/p>\n \u56fe2c\u663e\u793a\u4e86\u4e0d\u540c\u7814\u7a76\u7684Lix<\/sub>MoS2<\/sub>\u9634\u6781\u7684\u4f53\u79ef\u5bb9\u91cf\u548c\u786b\u8d1f\u8f7d\u7684\u6bd4\u8f83\u3002\u4e3a\u4e86\u5b9e\u73b0\u9502\u786b\u7535\u6c60\u7684\u9ad8\u5bb9\u79ef\u5bb9\u91cf\uff0c\u6d3b\u6027\u786b\u6750\u6599\u7684\u5806\u79ef\u5bc6\u5ea6\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u5728\u7a7a\u9699\u7387\u8f83\u9ad8\u7684\u591a\u5b54\u78b3\u4e2d\uff0c\u786b\u901a\u5e38\u662f\u677e\u6563\u7684\uff0c\u7a7a\u9699\u4e2d\u5145\u65a5\u7740\u7535\u89e3\u6db2\uff0c\u5927\u5927\u589e\u52a0\u4e86\u7535\u6c60\u7684\u6574\u4f53\u91cd\u91cf\uff0c\u4f46\u5bf9\u5176\u5bb9\u91cf\u6ca1\u6709\u5e2e\u52a9\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u7d27\u51d1\u7684Lix<\/sub>MoS2<\/sub>\u7eb3\u7c73\u7247\u5141\u8bb8\u786b\u88ab\u5bc6\u96c6\u5730\u5305\u88c5\u8d77\u6765\uff0c\u56e0\u6b64\uff0c\u5728\u4e0d\u5f71\u54cd\u5bb9\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5b9e\u73b0667g\/l\u7684\u4f53\u79ef\u8f7d\u786b\u91cf\u3002<\/p>\n \u56e0\u6b64\uff0c\u8be5\u9634\u6781\u6709\u53ef\u80fd\u63d0\u4f9b950 Ah l-1<\/sup>\u7684\u4f53\u79ef\u5bb9\u91cf\u3002Lix<\/sub>MoS2<\/sub>\u9634\u6781\u7684\u4f4e\u5b54\u9699\u7387\u4e5f\u907f\u514d\u4e86\u5bf9\u8fc7\u591a\u7535\u89e3\u6db2\u7684\u9700\u6c42\uff0c\u800c\u5176\u51fa\u8272\u7684\u6da6\u6e7f\u6027\u786e\u4fdd\u4e86\u5728\u8d2b\u7535\u89e3\u6db2\u6761\u4ef6\u4e0b\u4fdd\u6301\u9ad8\u6027\u80fd\u3002\u6b64\u5916\uff0c\u7535\u89e3\u6db2\u7528\u91cf\u7684\u51cf\u5c11\u548c\u7d27\u51d1\u7684\u786b\u5c01\u95ed\u4f7f\u591a\u786b\u5316\u9502\uff08LiPS\uff09\u7684\u6eb6\u89e3\u964d\u5230\u6700\u4f4e\uff0c\u800c\u591a\u786b\u5316\u9502\u4f1a\u901a\u8fc7\u7a7f\u68ad\u6548\u5e94\u5bfc\u81f4\u5bb9\u91cf\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u6d3b\u6027\u6750\u6599\u56fa\u5b9a\u5316\u7684\u6539\u5584\u4f7f\u5f97Lix<\/sub>MoS2<\/sub>\u9634\u6781\u57281C\u7684\u6761\u4ef6\u4e0b\u5faa\u73af500\u6b21\u540e\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u8fbe\u523091%\uff08\u56fe2d\uff09\uff0c\u9ad8\u4e8e1T MoS2<\/sub>\u768470%\u30012H MoS2<\/sub>\/C\u768447%\u548c2H MoS2<\/sub>\u9634\u6781\u768422%\u3002<\/p>\n \u56fe<\/strong>2<\/strong>\u3001<\/strong>Li-S\u6263\u5f0f\u7535\u6c60\u4e2d\u4e0d\u540c\u57fa\u4e8eMoS2<\/sub>\u7684\u6b63\u6781\u7684\u7535\u5316\u5b66\u8868\u5f81\u3002a\uff0c\u7535\u6d41\u5bc6\u5ea6\u4e3a0.1 C\u65f6\u7684\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff0c\u57282.4 V\uff08Li2<\/sub>S6<\/sub>\u81f3Li2<\/sub>S4<\/sub>\uff09\u548c2.1 V\uff08Li2<\/sub>S4<\/sub>\u81f3Li2<\/sub>S2<\/sub>\/Li2<\/sub>S\uff09\u4e0b\u8868\u73b0\u51fa\u5178\u578b\u7684\u653e\u7535\u5e73\u53f0\u3002b\uff0c\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u6bd4\u5bb9\u91cf\uff0c\u663e\u793a\u4e0d\u540c\u6b63\u6781\u7684\u500d\u7387\u80fd\u529b\u3002c\uff0cLix<\/sub>MoS2<\/sub>\u6b63\u6781\u4e0e\u62a5\u9053\u7684\u6b63\u6781\u7684\u4f53\u79ef\u5bb9\u91cf\u548c\u8f7d\u786b\u91cf\u6bd4\u8f83\u3002\u865a\u7ebf\u4ee3\u8868\u4e09\u79cd\u4e0d\u540c\u7684\u91cd\u91cf\u5bb9\u91cf\u3002\u53ef\u4ee5\u770b\u51fa\uff0c\u6b64\u5904\u62a5\u544a\u7684Lix<\/sub>MoS2<\/sub>\u6b63\u6781\u8868\u73b0\u51fa\u6700\u9ad8\u503c\u3002d\uff0c\u4e0d\u540c\u6b63\u6781\u57281 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff0c\u663e\u793aLix<\/sub>MoS2<\/sub>\u6b63\u6781\u5728500\u6b21\u5faa\u73af\u540e\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u7ea6\u4e3a91%\u3002<\/strong><\/p>\n <\/p>\n 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\u8fdb\u4e00\u6b65\u7814\u7a76\u4e86\u9020\u6210Lix<\/sub>MoS2<\/sub>\u9634\u6781\u4f18\u5f02\u6027\u80fd\u7684\u57fa\u672c\u673a\u5236\u3002\u5728\u56fe3\u4e2d\u603b\u7ed3\u7684\u7ed3\u679c\u8868\u660e\uff0c\u6027\u80fd\u7684\u63d0\u5347\u4e3b\u8981\u5f52\u56e0\u4e8e\u4e09\u70b9\uff1a\u6539\u5584<\/strong>LiPS<\/strong>\u7684\u5438\u9644\uff08\u56fe<\/strong>3a<\/strong>\uff09\uff1b\u589e\u5f3a<\/strong>Li+<\/sup><\/strong>\u7684\u4f20\u8f93\uff08\u56fe<\/strong>3b<\/strong>\uff0c<\/strong>c<\/strong>\uff09\uff1b\u4ee5\u53ca\u52a0\u901f\u7535\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66<\/strong>\uff08\u56fe3d-f\uff09\u3002\u8fd9\u4e09\u4e2a\u7279\u6027\u4e5f\u5bfc\u81f4\u4e86\u66f4\u9ad8\u7684\u7535\u50ac\u5316\u6d3b\u6027\uff0c\u5982\u56fe4\u4e2d\u7cfb\u7edf\u5730\u63cf\u8ff0\u7684\u90a3\u6837\uff0c\u8fd9\u5bfc\u81f4\u4e86\u4f7f\u7528Lix<\/sub>MoS2<\/sub>\u9634\u6781\u7684\u9502\u786b\u7535\u6c60\u7684\u9ad8\u5bb9\u91cf\u548c\u5faa\u73af\u7a33\u5b9a\u6027\u3002<\/p>\n \u56fe<\/strong>3<\/strong>\u3001<\/strong>\u4e0d\u540c<\/strong>MoS2<\/sub>\u57fa\u6b63\u6781\u7684LiPS\u5438\u9644\u3001Li+<\/sup>\u4f20\u8f93\u548c\u7535\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66\u3002a\uff0cLi2<\/sub>S4<\/sub>\u6eb6\u6db2\u5728\u66b4\u9732\u4e8e\u4e0d\u540c\u7684MoS2<\/sub>\u4ee5\u8fdb\u884cLiPS\u5438\u9644\u7814\u7a76\u540e\u7684\u7167\u7247\uff08\u63d2\u56fe\uff09\u548c\u7d2b\u5916-\u53ef\u89c1\u5149\u8c31\u3002\u63d2\u56fe\u663e\u793a\u542b\u6709Lix<\/sub>MoS2<\/sub>\u7684\u4e0a\u6e05\u6db2\u662f\u900f\u660e\u7684\u2014\u2014\u8868\u660eLiPS\u5177\u6709\u51fa\u8272\u7684\u5438\u9644\u6027\u3002\u7d2b\u5916-\u53ef\u89c1\u5149\u8c31\u5b9a\u91cf\u8bc1\u5b9e\u4e86\u8fd9\u4e00\u70b9\uff0c\u8868\u660e\u66b4\u9732\u4e8eLix<\/sub>MoS2<\/sub>\u4e3b\u4f53\u7684Li2<\/sub>S4<\/sub>\u6eb6\u6db2\u5177\u6709\u6700\u4f4e\u7684\u5438\u5149\u5ea6\u3002b\u3001c\uff0cLix<\/sub>MoS2<\/sub>\u6b63\u6781\u5728\u4e0d\u540c\u626b\u901f\u4e0b\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\uff0c\u663e\u793a\u4e24\u4e2a\u6b63\u6781\u5cf0\u548c\u4e00\u4e2a\u8d1f\u6781\u5cf0\uff08b\uff09\u4ee5\u53ca\u7528\u4e8e\u5bfc\u51faDLi<\/sub>\u503c\u7684\u5cf0\u503c\u7535\u6d41\u4e0e\u626b\u63cf\u901f\u7387\u5e73\u65b9\u6839\u7684\u76f8\u5e94Randles-Sevcik\u56fe\uff08c\uff09\u3002\u6570\u636e\u70b9\u7684\u7ebf\u6027\u62df\u5408\u7531\u865a\u7ebf\u8868\u793a\u3002d\uff0c\u5ba4\u6e29\u4e0b2.1 V\u7684\u5948\u594e\u65af\u7279\u56fe\u548c\u7528\u4e8e\u62df\u5408\u7535\u5316\u5b66\u963b\u6297\u8c31\u66f2\u7ebf\u7684\u7b49\u6548\u7535\u8def\uff08\u63d2\u56fe\uff09\u3002Z’\u548cZ”\u5206\u522b\u4ee3\u8868\u5b9e\u963b\u6297\u548c\u865a\u963b\u6297\u3002\u7535\u8def\u4e2d\u7684\u5143\u4ef6\u4e3a\uff1aRs<\/sub>\uff0c\u7ec4\u5408\u5185\u963b\uff0c\u5305\u62ec\u6750\u6599\u4e0e\u96c6\u6d41\u4f53\u7684\u754c\u9762\u63a5\u89e6\u7535\u963b\u3001\u7535\u89e3\u6db2\u7684\u6b27\u59c6\u7535\u963b\u548c\u96c6\u6d41\u4f53\u7684\u672c\u5f81\u7535\u963b\uff1bRsurf<\/sub>\uff0c\u8868\u9762\u7535\u963b\uff0c\u5f52\u56e0\u4e8e\u7535\u6781\u8868\u9762\u4e0d\u6eb6\u6027LiPS\u7684\u6c89\u79ef\uff1bRct<\/sub>\uff0c\u7535\u8377\u8f6c\u79fb\u7535\u963b\uff0c\u4ee3\u8868\u7535\u5316\u5b66\u53cd\u5e94\u7684\u7535\u963b\uff1bCPEsurf<\/sub>\u548cCPEct<\/sub>\u5206\u522b\u662f\u6765\u81ea\u8868\u9762\u6c89\u79ef\u548c\u7535\u8377\u8f6c\u79fb\u7684\u6052\u76f8\u5143\u7d20\uff1bW0<\/sub>\uff0c\u534e\u6c0f\u963b\u6297\u3002e\uff0cLix<\/sub>MoS2<\/sub>\u6b63\u6781\u5728\u4e0d\u540c\u7535\u538b\u4e0b\u7684Arrhenius\u56fe\uff0c\u5176\u4e2d\u7535\u8377\u8f6c\u79fb\u7535\u963b\u7684\u5012\u6570\u7528\u4e8e\u63cf\u8ff0\u591a\u786b\u5316\u7269\u8f6c\u5316\u53cd\u5e94\u7684\u901f\u7387\u3002T\u8868\u793a\u7edd\u5bf9\u6e29\u5ea6\u3002\u6570\u636e\u70b9\u7684\u7ebf\u6027\u62df\u5408\u7531\u865a\u7ebf\u8868\u793a\u3002f\uff0c\u4e0d\u540c\u7535\u538b\u4e0b\u4e0d\u540cMoS2<\/sub>\u6b63\u6781\u7684\u6d3b\u5316\u80fd\uff0c\u63ed\u793a\u4e86\u6bcf\u4e2a\u591a\u786b\u5316\u7269\u8f6c\u5316\u6b65\u9aa4\u6240\u9700\u80fd\u91cf\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u30022.4 V\u548c2.1 V\u7684\u5cf0\u503c\u8868\u660e\u5728\u8fd9\u4e9b\u7535\u538b\u4e0b\u7684\u53cd\u5e94\u9700\u8981\u6240\u6709\u6b63\u6781\u7684\u66f4\u9ad8\u80fd\u91cf\u3002Lix<\/sub>MoS2<\/sub>\u6b63\u6781\u7684\u6bcf\u4e2a\u53cd\u5e94\u6b65\u9aa4\u7684\u6d3b\u5316\u80fd\u6700\u4f4e\u3002\u8bef\u5dee\u6761\u8868\u793a\u4e09\u4e2a\u72ec\u7acb\u6b63\u6781\u7684\u4e24\u6b21\u6d4b\u91cf\u7684\u6807\u51c6\u504f\u5dee\u3002\u6570\u636e\u8868\u793a\u4e3a\u5e73\u5747\u503c\u00b1\u6807\u51c6\u5dee\u3002<\/strong><\/p>\n <\/p>\n \u9996\u5148\u7528Li2<\/sub>S4<\/sub>\u6eb6\u6db2\u5bf9\u4e0d\u540c\u7684MoS2<\/sub>\u5bbf\u4e3b\u8fdb\u884c\u4e86\u591a\u786b\u5316\u7269\u5438\u9644\u6d4b\u91cf\uff0c\u56e0\u4e3a\u5b83\u88ab\u8ba4\u4e3a\u662fLiPS\u7684\u91cd\u8981\u4e2d\u95f4\u4ea7\u7269\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u6574\u4e2a\u9502\u786b\u7535\u6c60\u53cd\u5e94\u4e2d\u3002S8<\/sub>\u00a0+ 16e–<\/sup>\u00a0+ 16Li+<\/sup>\u2194 8Li2<\/sub>S\uff1b\u8f6c\u79fb\u768416\u4e2a\u7535\u5b50\u4e2d\uff0c\u670912\u4e2a\u6765\u81eaLi2<\/sub>S4<\/sub>\u901a\u8fc72Li2<\/sub>S4<\/sub>\u00a0+ 12e- + 12Li+<\/sup>\u00a0\u2194 8Li2<\/sub>S\u8f6c\u5316\u4e3a\u6700\u7ec8\u7684Li2<\/sub>S\uff08\u7531\u76f8\u540c\u6570\u91cf\u7684\u786b\u5e73\u8861\uff09–\u4e5f\u5c31\u662f\u8bf4\uff0c75%\u7684\u5bb9\u91cf\u6765\u81ea\u8fd9\u4e2a\u6b65\u9aa4\u3002\u5b83\u4e5f\u5bf9\u5e94\u4e8e\u6700\u5927\u7684\u653e\u7535\u5e73\u53f0\uff0c\u7ea62.1V\uff08\u56fe2a\uff09\uff0c\u901a\u5e38\u9700\u8981\u6700\u957f\u7684\u65f6\u95f4\u6765\u8fdb\u884c\uff0c\u8fd9\u610f\u5473\u7740Li2<\/sub>S4<\/sub>\u66b4\u9732\u5728\u7535\u89e3\u6db2\u4e2d\u7684\u65f6\u95f4\u66f4\u957f\uff0c\u56e0\u6b64\u6eb6\u89e3\u548c\u7a7f\u68ad\u7684\u6982\u7387\u66f4\u9ad8\u3002<\/p>\n \u56e0\u6b64\uff0c\u6211\u4eec\u8ba4\u4e3a\uff0cLi2<\/sub>S4<\/sub><\/strong>\u4ea7\u7269\u7684\u6709\u6548\u5438\u9644\u5bf9\u4e8e\u540c\u65f6\u4fc3\u8fdb\u8f6c\u6362\u8fc7\u7a0b\uff08\u589e\u52a0\u5bb9\u91cf\uff09\u548c\u51cf\u5c11\u7a7f\u68ad\u6548\u5e94\uff08\u589e\u52a0\u5faa\u73af\u7a33\u5b9a\u6027\uff09\u81f3\u5173\u91cd\u8981<\/strong>\u3002\u56fe3a\u7684\u63d2\u56fe\u663e\u793a\uff0c\u5927\u90e8\u5206Li2<\/sub>S4<\/sub>\u88ab\u5438\u9644\u5728Lix<\/sub>MoS2<\/sub>\u5bbf\u4e3b\u4e0a\uff0c\u7559\u4e0b\u4e86\u6bd4\u5176\u4ed6\u5bbf\u4e3b\u66f4\u900f\u660e\u7684\u6eb6\u6db2\uff0c\u8fd9\u4e00\u70b9\u88ab\u7d2b\u5916-\u53ef\u89c1\u5149\uff08UV-Vis\uff09\u5149\u8c31\u5b66\u5b9a\u91cf\u8bc1\u5b9e\uff08\u56fe3a\uff09\u3002Lix<\/sub>MoS2<\/sub>\u5bbf\u4e3b\u5bf9\u591a\u786b\u5316\u7269\u7684\u8fd9\u79cd\u66f4\u9ad8\u7684\u4eb2\u548c\u529b\u53ef\u4ee5\u5f52\u56e0\u4e8e\u5176\u91d1\u5c5e1T\u76f8\u7684\u6781\u6027\u548c\u901a\u8fc7\u9502\u5316\u5f15\u5165\u7684\u989d\u5916\u7ed3\u5408\u70b9\u3002<\/p>\n \u63a5\u4e0b\u6765\uff0c\u901a\u8fc7\u4f7f\u7528Randles-Sevcik\u65b9\u7a0b\uff0c\u4ece\u5faa\u73af\u4f0f\u5b89\u6cd5\uff08CV\uff09\u7ed3\u679c\u4e2d\u5f97\u51faLi+<\/sup>\u79bb\u5b50\u6269\u6563\u7cfb\u6570\uff08DLi<\/sub>\uff09\u3002CV\u66f2\u7ebf\u8868\u73b0\u51fa\u4e24\u4e2a\u9634\u6781\u5cf0\u548c\u4e00\u4e2a\u9633\u6781\u5cf0\uff08\u56fe3b\uff09–\u4e0e\u56fe2a\u4e2dGCD\u66f2\u7ebf\u4e2d\u89c2\u5bdf\u5230\u7684\u4e24\u4e2a\u653e\u7535\u548c\u4e00\u4e2a\u5145\u7535\u5e73\u53f0\u5f88\u4e00\u81f4\u3002\u4e0d\u540c\u626b\u63cf\u901f\u7387\u4e0b\u7684\u5cf0\u503c\u7535\u6d41\u88ab\u7528\u6765\u63d0\u53d6\u4e0d\u540c\u9634\u6781\u7684DLi\uff08\u56fe3c\uff09\u3002Lix<\/sub>MoS2<\/sub>\u9634\u6781\u7684DLi<\/sub>\u4e3a5.1 \u00d7 10-8<\/sup>\u00a0cm2<\/sup>\u00a0s-1<\/sup>\uff0c\u6bd41T MoS2<\/sub>\u9634\u6781\uff083.0 \u00d7 10-8<\/sup>\u00a0cm2<\/sup>\u00a0s-1<\/sup>\uff09\u9ad8\u51fa70%\uff0c\u8fd9\u5f52\u56e0\u4e8e\u91d1\u5c5eMoS2<\/sub>\u7eb3\u7c73\u7247\u4e4b\u95f4\u7684\u9502\u7684\u63d2\u5c42\uff0c\u5b83\u4fc3\u8fdb\u4e86Li+<\/sup>\u5728\u6750\u6599\u4e2d\u7684\u4f20\u8f93\uff0c\u4f7fLix<\/sub>MoS2<\/sub>\u5177\u6709\u79bb\u5b50\u4f20\u5bfc\u6027\u3002\u8fd9\u79cd\u989d\u5916\u7684Li+<\/sup>\u4f20\u5bfc\u9014\u5f84\u5bf9\u5728\u8d2b\u7535\u89e3\u8d28\u6761\u4ef6\u4e0b\u7684\u5de5\u4f5c\u6709\u5f88\u5927\u8d21\u732e\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u7531\u4e8e\u8f6c\u5316\u4e3a\u91d1\u5c5e1T\u76f8\uff0cLix<\/sub>MoS2<\/sub>\u9634\u6781\u4e2d\u7684DLi<\/sub>\u6bd42H MoS2<\/sub>\/C\uff084.9 \u00d7 10
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