{"id":86582,"date":"2017-06-19T06:30:45","date_gmt":"2017-06-18T22:30:45","guid":{"rendered":"\/\/m.iemloyee.com\/?p=86582"},"modified":"2017-06-19T23:39:49","modified_gmt":"2017-06-19T15:39:49","slug":"nature-energy-%e9%80%9a%e8%bf%87%e5%9c%a8cs2%e4%b8%ad%e7%87%83%e7%83%a7%e9%94%82%e5%be%97%e5%88%b0%e9%ab%98%e6%80%a7%e8%83%bd%e7%b4%a7%e5%87%91%e5%9e%8bli%c2%ad2s-%e7%9f%b3%e5%a2%a8%e7%83%af%e7%ba%b3","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=86582","title":{"rendered":"Nature Energy: CS2\u52a9\u529b\u6784\u7b51\u7528\u4e8e\u9ad8\u6027\u80fdLi-S\u7535\u6c60\u7684\u7d27\u51d1\u578bLi\u00ad2S-\u77f3\u58a8\u70ef\u7eb3\u7c73\u80f6\u56ca"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n Li-S<\/span>\u7535\u6c60\u80fd\u91cf\u5bc6\u5ea6\u9ad8\u3001\u529f\u7387\u5bc6\u5ea6\u5927\uff0c\u56e0\u6b64\u5229\u7528\u5b83\u4f5c\u4e3a\u7535\u52a8\u6c7d\u8f66\u7535\u6e90\u65f6\u53ef\u6709\u671b\u89e3\u51b3\u5176\u7eed\u822a\u91cc\u7a0b\u77ed\u7684\u74f6\u9888\u3002\u7136\u800cLi-S<\/span>\u7535\u6c60\u8fdb\u884c\u5546\u4e1a\u5316\u8fdb\u7a0b\u4e2d\u9047\u5230\u4e86\u4e00\u7cfb\u5217\u7684\u95ee\u9898\u3002\u9996\u5148\u662f\u7535\u6c60\u7684\u6b63\u6781\u6750\u6599\u786b\u5355\u8d28\u548c\u653e\u7535\u4ea7\u7269(Li2<\/sub>S\/Li2<\/sub>S2<\/sub>)<\/span>\u7684\u672c\u5f81\u5bfc\u7535\u6027\u5dee\uff1b\u5176\u6b21\u7535\u6c60\u5faa\u73af\u53cd\u5e94\u7684\u4e2d\u95f4\u4ea7\u7269–<\/span>\u591a\u786b\u5316\u7269(Li2<\/sub>Sx<\/sub>, 3<\/span>\uff1cx<\/span>\uff1c8)<\/span>\u5728\u7535\u89e3\u6db2\u4e2d\u6eb6\u89e3\u5ea6\u9ad8\uff0c\u53ef\u4ee5\u5728\u7535\u6c60\u5faa\u73af\u65f6\u5728\u6b63\u8d1f\u6781\u4e4b\u95f4\u53d1\u751f\u5feb\u901f\u7684\u7a7f\u68ad\u6548\u5e94\uff0c\u8fd9\u964d\u4f4e\u4e86\u7535\u6c60\u7684\u5e93\u4f26\u6548\u7387\u5e76\u9020\u6210\u53ef\u9006\u5bb9\u91cf\u7684\u635f\u5931\u3002<\/p>\n \u89e3\u51b3\u4ee5\u4e0a\u95ee\u9898\u901a\u5e38\u7684\u65b9\u6cd5\u662f\u5728\u5177\u6709\u7eb3\u7c73\u7ed3\u6784\u7684\u6750\u6599\u4e2d\u6e17\u5165\u786b\u5355\u8d28\uff0c\u589e\u5f3a\u6b63\u6781\u6750\u6599\u7684\u7535\u5b50\u548c\u79bb\u5b50\u5bfc\u7535\u7387\uff0c\u540c\u65f6\u4fdd\u6301\u4e00\u5b9a\u7684\u7a7a\u9699\u4ee5\u7f13\u89e3\u6b63\u6781\u5728\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u53d1\u751f\u7684\u4f53\u79ef\u53d8\u5316\u3002\u7136\u800c\uff0c\u5f00\u653e\u7684\u591a\u5b54\u96be\u4ee5\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u56fa\u5b9a\u591a\u786b\u5316\u7269\u3002\u6b64\u5916\uff0c\u7531\u4e8e\u591a\u786b\u5316\u7269\u6eb6\u89e3\u5728Li2<\/sub>S\/Li2<\/sub>S2<\/sub>\u4e2d\u7684\u8fc7\u7a0b\u5177\u6709\u4e0d\u53ef\u63a7\u6027\uff0c\u590d\u5408\u6750\u6599\u4e2d\u7559\u6709\u7684\u7a7a\u9699\u5e76\u4e0d\u80fd\u5728\u6b63\u6781\u53d1\u751f\u4f53\u79ef\u81a8\u80c0\u65f6\u88ab\u5b8c\u5168\u6709\u6548\u5730\u5229\u7528\u3002\u6700\u540e\uff0c\u5927\u90e8\u5206\u5177\u6709\u7eb3\u7c73\u7ed3\u6784\u7684\u590d\u5408\u786b\u6b63\u6781\u8f83\u4e3a\u758f\u677e\uff0c\u4ee5\u73b0\u6709\u6280\u672f\u5f88\u96be\u5728\u91d1\u5c5e\u96c6\u6d41\u4f53\u8868\u9762\u6d82\u8986\u5bc6\u5b9e\u4e14\u539a\u5ea6\u4f4e\u7684\u7535\u6781\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u8981\u5728\u8d1f\u8f7d\u91cf\u548c\u7535\u5316\u5b66\u6027\u80fd\u4e4b\u95f4\u505a\u51fa\u6743\u8861\u3002<\/p>\n \u4e3a\u4e86\u5e94\u5bf9\u4ee5\u4e0a\u6280\u672f\u6311\u6218\uff0c\u786b\u590d\u5408\u7535\u6781\u7684\u66ff\u4ee3\u65b9\u6848\u4e9f\u5f85\u88ab\u5f00\u53d1\u3002\u5176\u4e2d\u4e00\u4e2a\u53ef\u884c\u7684\u65b9\u6848\u662f\uff1a\u6784\u7b51\u8584\u5bfc\u7535\u5c42\u7d27\u5bc6\u56f4\u7ed5\u5c0f\u5c3a\u5bf8Li2<\/sub>S<\/span>\u7c92\u5b50(<\/span>\u4ee3\u66ffS)<\/span>\u7684\u590d\u5408\u80f6\u56ca\u7ed3\u6784\u3002\u9996\u5148\uff0cLi2<\/sub>S<\/span>\u57fa\u590d\u5408\u7269\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u6ca1\u6709\u4f53\u79ef\u81a8\u80c0\uff1b\u53e6\u5916\uff0c\u5f97\u76ca\u4e8e\u5176\u7d27\u51d1\u6027\u548c\u5bfc\u7535\u6027\uff0c\u8fd9\u79cd\u590d\u5408\u7269\u6709\u9ad8\u8f7d\u91cf\u3002\u6700\u540e\uff0cLi2<\/sub>S<\/span>\u6b63\u6781\u53ef\u4ee5\u642d\u914d\u4e0d\u542b\u91d1\u5c5e\u9502\u7684\u8d1f\u6781\u4f7f\u7528\uff0c\u907f\u514d\u4e86\u9502\u679d\u6676\u4ea7\u751f\u548c\u4f4e\u5e93\u4f26\u6548\u7387\u7684\u95ee\u9898\u3002\u6784\u7b51\u8fd9\u79cdLi2<\/sub>S\/<\/span>\u5bfc\u4f53\u8584\u5c42\u590d\u5408\u7269\u4e3b\u8981\u9762\u4e34\u7684\u95ee\u9898\u662f\uff1aLi2<\/sub>S<\/span>\u7194\u70b9\u9ad8\uff0c\u6e29\u5ea6\u8f83\u4f4e\u65f6\u4e0d\u4f1a\u878d\u5316\uff1bLi2<\/sub>S<\/span>\u5728\u6709\u673a\u7535\u89e3\u8d28\u4e2d\u5341\u5206\u96be\u6eb6\uff0c\u800c\u4e14\u5bf9\u542b\u6c34\u91cf\u5341\u5206\u654f\u611f\u3002\u7efc\u4e0a\u5206\u6790\uff0c\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u5bf9\u4e8e\u63d0\u5347\u9502\u786b\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd\u548c\u5b9e\u7528\u6027\u90fd\u81f3\u5173\u91cd\u8981\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6765\u81ea\u7f8e\u56fd\u963f\u8d21\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u7684Jun Lu\u6559\u6388\u3001Khalil Amine\u6559\u6388<\/strong>\u548c\u4fc4\u52d2\u5188\u5dde\u7acb\u5927\u5b66\u7684\u7eaa\u79c0\u78ca\u6559\u6388<\/strong>(\u5171\u540c\u901a\u4fe1\u4f5c\u8005<\/strong>)\u5728Nature Energy<\/strong>\u53d1\u8868\u9898\u4e3a\u201cBurning lithium in CS2<\/sub> for high-performing compact Li2<\/sub>S\u2013grapheme nanocapsules for Li\u2013S batteries<\/strong>\u201d\u7684\u6587\u7ae0\u3002\u8be5\u6587\u7ae0\u4e2d\uff0c\u4f5c\u8005\u5229\u7528\u6c29\u6c14\u4e3a\u8f7d\u6c14\uff0c\u643a\u5e26CS2<\/sub>\u6c14\u4f53\u5728923K\u4e0e\u52a0\u70ed\u6eb6\u89e3\u7684\u9502\u7b94\u53cd\u5e94\uff0c\u6700\u7ec8\u751f\u6210Li2<\/sub>S@graphene\u590d\u5408\u7eb3\u7c73\u80f6\u56ca\u7ed3\u6784\u3002\u5f97\u5230\u7684\u6750\u6599\u8868\u73b0\u51fa\u72ec\u7279\u7684\u7ed3\u6784\u548c\u7535\u6c60\u6027\u80fd\uff1a\u5305\u62ec\u7d27\u51d1\u5b8c\u6574\u7684\u5fae\u89c2\u7ed3\u6784\uff0c\u826f\u597d\u7535\u5bfc\u6027\uff0c\u4f4e\u6d3b\u5316\u80fd\u5792\uff0c\u4ee5\u53ca\u4f18\u5f02\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\uff1aLi2<\/sub>S@grahpene\u7eb3\u7c73\u80f6\u56ca\u7684\u5fae\u89c2\u5f62\u8c8c\u548c\u7ed3\u6784\u3002<\/strong><\/p>\n a) TEM<\/span>\u56fe\uff0c\u4ece\u56fe\u4e2d\u53ef\u4ee5\u6e05\u6670\u5730\u770b\u5230\u77f3\u58a8\u70ef\u5305\u88f9\u7740Li2<\/sub>S<\/span>\uff0c\u5f62\u6210\u4e86\u80f6\u56ca\u7ed3\u6784\uff1b<\/p>\n b) SAED<\/span>\u56fe\uff1b<\/p>\n c) HRTEM<\/span>\u53ca\u5176SAED<\/span>\u56fe\uff1b<\/p>\n d) <\/span>\u9996\u6b21\u5145\u7535\u81f35V<\/span>\u65f6Li2<\/sub>S<\/span>\u6676\u4f53\u8f6c\u6362\u6210S8<\/sub><\/span>\u5206\u5b50\u7684TEM<\/span>\u56fe\uff1b<\/p>\n e) S8<\/sub><\/span>\u653e\u7535\u81f35V<\/span>\u65f6TEM<\/span>\u56fe\uff1b<\/p>\n f) 100<\/span>\u6b21\u5faa\u73af\u540e\u5145\u7535\u81f30V<\/span>\u65f6\u6750\u6599\u7684TEM<\/span>\u56fe\uff1b<\/p>\n g) – m<\/span>\uff09Li2<\/sub>S@graphene<\/span>\u6750\u6599\u5145\u653e\u7535\u8fc7\u7a0b\u4e2d\u5f62\u8c8c\u53d8\u5316\u7684\u539f\u4f4dTEM<\/span>\u8868\u5f81\u56fe\uff1b<\/p>\n \u5176\u4e2dg) <\/span>\u539f\u59cbLi2<\/sub>S@graphene<\/span>\u80f6\u56ca\u7684TEM<\/span>\u56fe\uff1bh-m) <\/span>\u4e0d\u540c\u53cd\u5e94\u72b6\u6001\u7684TEM<\/span>\u56fe\u3002<\/p>\n \u56fe\u4e8c\uff1aLi\/\/Li2<\/sub>S@graphene\u7535\u6c60\u548c\u77f3\u58a8\/\/Li2<\/sub>S@graphene\u7535\u6c60\u4e2dLi2<\/sub>S@graphene\u590d\u5408\u6750\u6599\u7684\u7535\u5316\u5b66\u6027\u80fd\u8868\u5f81\u3002<\/strong><\/p>\n g\uff09- h\uff09\u77f3\u58a8\/\/Li2<\/sub>S@graphene\u7535\u6c60\u5bf9\u5e94\u7684\u7535\u5316\u5b66\u6d4b\u8bd5\u66f2\u7ebf\uff1ag) Li2<\/sub>S@graphene\u7535\u6c60\u7684CV\u56fe\uff1bh) Li2<\/sub>S@graphene\u7535\u6c60\u7684\u5faa\u73af\u7279\u6027\u3002<\/p>\n \u4ece\u56fe\u4e2d\u53ef\u77e5\uff0c\u8be5\u590d\u5408\u7eb3\u7c73\u80f6\u56ca\u7684\u7535\u538b\u7279\u6027\u3001\u5faa\u73af\u6027\u80fd\u3001\u500d\u7387\u6027\u80fd\u7b49\u7535\u5316\u5b66\u6307\u6807\u5747\u4f18\u5f02\u3002<\/p>\n \u56fe\u4e09\uff1aLi2<\/sub>S@graphene\u4e0eLi2<\/sub>S\u7535\u6781\u7535\u5316\u5b66\u963b\u6297\u8c31\u5bf9\u6bd4\u3002<\/strong><\/p>\n Li2<\/sub>S@graphene<\/span>\u7535\u6781\u7684 a) <\/span>\u539f\u4f4dEIS<\/span>\u6d4b\u8bd5\u7684\u5145\u653e\u7535\u66f2\u7ebf\uff1bb)<\/span>\u548cc) <\/span>\u4e0d\u540c\u5145\u7535\/<\/span>\u653e\u7535\u6df1\u5ea6\u7684 EIS<\/span>\u56fe\uff1bd) <\/span>\u5145\u753552%<\/span>\u65f6\u7684EIS<\/span>\u56fe\uff1b<\/p>\n e) Li2<\/sub>S <\/span>\u548cLi2<\/sub>S@graphene<\/span>\u539f\u4f4dEIS<\/span>\u6d4b\u8bd5\u5bf9\u6bd4\u3002<\/p>\n \u56fe\u56db\uff1aLi\/\/Li2<\/sub>S@graphene\u7535\u6c60\u5728\u4e0d\u540c\u53cd\u5e94\u9636\u6bb5\u7684\u6750\u6599\u8868\u5f81\u3002<\/strong><\/p>\n a)\/b) \u539f\u4f4dXRD\u6d4b\u8bd5\uff1b<\/p>\n c) \u4e0d\u540c\u5145\u653e\u7535\u72b6\u6001\u4e0b\u7684S K-edge\u7684\u975e\u539f\u4f4dXANES\u56fe\uff1b<\/p>\n d) \u7b2c\u4e00\u6b21\u5145\u653e\u7535\u5faa\u73af\u4e2dS K-edge\u7684\u975e\u539f\u4f4dXANES\u56fe\u3002<\/p>\n \u00a0<\/strong>\u56fe\u4e94\uff1a\u5316\u5b66\u7ed3\u6784\u548c\u7535\u5316\u5b66\u539f\u7406\u7814\u7a76\u3002<\/strong><\/p>\n a) Li2<\/sub>S@graphene<\/span>\u80f6\u56ca\u793a\u610f\u56fe\uff1b<\/p>\n b) DFT<\/span>\u8ba1\u7b97\u7684\u5355\u5c42\u77f3\u58a8\u70ef\u4e2dLi2<\/sub>S<\/span>\u6700\u7a33\u5b9a\u7684\u7ed3\u6784\uff1b<\/p>\n c) <\/span>\u591a\u786b\u5316\u9502\u540c\u7d20\u5f02\u5f62\u4f53\u7684DFT<\/span>\u8ba1\u7b97\u5206\u5b50\u7ed3\u6784\uff1b<\/p>\n d) Li2<\/sub>S3<\/sub><\/span>\u548c\u7f3a\u9677\u77f3\u58a8\u70ef\u7684DFT<\/span>\u8ba1\u7b97\u7684\u7ed3\u5408\u80fd\u3002<\/p>\n \u3010\u7ed3\u8bba\u3011<\/strong><\/p>\n \u8be5\u6587\u7ae0\u62a5\u9053\u4e86\u4e00\u79cd\u5927\u89c4\u6a21\u4f4e\u6210\u672c\u7684\u5229\u7528CS2<\/sub><\/span>\u5728\u9ad8\u6e29\u4e0b\u4e0e\u9502\u7b94\u53cd\u5e94\u4ee5\u6784\u7b51Li\u00ad2<\/sub>S@graphene<\/span>\u80f6\u56ca\u7684\u65b9\u6cd5\u3002\u672c\u6587\u4e2d\u5229\u7528\u4f20\u7edf\u65b9\u6cd5\u5728\u91d1\u5c5e\u6d41\u4f53\u8868\u9762\u5236\u5907\u4e86\u9ad8\u8d1f\u8f7d\u91cf\u7684\u590d\u5408\u6b63\u6781 (Li2<\/sub>S<\/span>\u7684\u8d1f\u8f7d\u91cf\u4e3a10mg cm-2<\/sup>)<\/span>\uff0c\u6240\u5f97\u6b63\u6781\u7684\u7535\u5316\u5b66\u6027\u80fd\u4f18\u5f02\u3002\u8fd9\u79cd\u6784\u7b51\u590d\u5408\u80f6\u56ca\u7684\u65b9\u6cd5\u6709\u8bf8\u591a\u4f18\u52bf\uff1aLi2<\/sub>S<\/span>\u9632\u6b62\u4e86\u7535\u6781\u7684\u4f53\u79ef\u81a8\u80c0\uff1b\u7d27\u51d1\u7684\u77f3\u58a8\u70ef\u5916\u58f3\u5c55\u793a\u4e86\u826f\u597d\u7684\u7269\u7406\u6027\u8d28\uff0c\u4fdd\u6301\u4e86\u590d\u5408\u7269\u7ed3\u6784\u7684\u5b8c\u6574\u6027\uff0c\u56e0\u6b64\u51cf\u5c11\u4e86\u5faa\u73af\u65f6\u5728\u7535\u89e3\u6db2\u5185\u90e8\u591a\u786b\u5316\u7269\u7684\u635f\u8017\uff1b\u8fd9\u4e00\u5de5\u4f5c\u514b\u670d\u4e86\u4e0e\u4f20\u7edf\u786b\u7535\u6781\u548cLi2<\/sub>S<\/span>\u590d\u5408\u7269\u7535\u6781\u6709\u5173\u7684\u4e3b\u8981\u9650\u5236\u3002\u672c\u6587\u7684\u65b9\u6cd5\u4e3a\u5236\u5907\u9ad8\u6027\u80fd\u9502\u786b\u7535\u6c60\u7535\u6781\u6750\u6599\u63d0\u4f9b\u4e86\u65b0\u7684\u601d\u8def\uff1b\u5e76\u4e14\uff0c\u8fd9\u4e00\u65b9\u6cd5\u7b80\u5355\u3001\u6210\u672c\u8f83\u4f4e\uff0c\u9002\u5408\u5927\u8303\u56f4\u5546\u4e1a\u5316\u751f\u4ea7\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>Burning lithium in CS2<\/sub> for high-performing compact Li2<\/sub>S\u2013grapheme nanocapsules for Li\u2013S batteries<\/a> <\/strong>(Nature energy:10.1038\/nenergy.2017.90)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4Jespen\u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u6574\u7406\u7f16\u8f91\u3002<\/p>\n \u70b9\u8fd9\u91cc\u52a0\u5165\u6750\u6599\u4eba\u7684\u5927\u5bb6\u5ead<\/a>\u3002\u53c2\u4e0e\u65b0\u80fd\u6e90\u8bdd\u9898\u8ba8\u8bba\u8bf7\u52a0\u5165\u201c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u6750\u6599\u4ea4\u6d41\u7fa4 422065952\u201d\u3002<\/p>\n \u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u8fd9\u91cc\u6c47\u96c6\u4e86\u5404\u5927\u9ad8\u6821\u7855\u535a\u751f\u3001\u4e00\u7ebf\u79d1\u7814\u4eba\u5458\u4ee5\u53ca\u884c\u4e1a\u4ece\u4e1a\u8005\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/a>\u3002<\/p>\n<\/p>\n
a) \u2013 f) Li\/\/Li2S@graphene\u7535\u6c60\u7684\u7535\u5316\u5b66\u6d4b\u8bd5\u66f2\u7ebf\uff1aa) \u7535\u538b-\u5bb9\u91cf\u66f2\u7ebf\uff1bb)\u9ad8\u8d1f\u8f7d\u91cf\u65f6\u7684 \u5faa\u73af\u7279\u6027\uff1bc) CV\u66f2\u7ebf\uff1bd)\u4e0d\u540c\u8d1f\u8f7d\u91cf\u5bf9\u5e94\u7684\u7684\u5faa\u73af\u7279\u6027\uff1be) \u9ad8\u8d1f\u8f7d\u91cf\u4e0b\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u5bf9\u5e94\u7684\u590d\u5408\u6750\u6599\u7684\u7535\u538b\u7279\u6027\u66f2\u7ebf\uff1bf) Li2<\/sub>S@graphene\u7535\u6781\u7684\u500d\u7387\u6027\u80fd\u6d4b\u8bd5\uff1b<\/p>\n
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