{"id":251620,"date":"2023-05-31T08:55:36","date_gmt":"2023-05-31T00:55:36","guid":{"rendered":"\/\/m.iemloyee.com\/?p=251620"},"modified":"2023-05-31T16:27:48","modified_gmt":"2023-05-31T08:27:48","slug":"%e6%96%af%e5%9d%a6%e7%a6%8f%e5%a4%a7%e5%ad%a6acs-energy-letters-%e6%96%b0%e5%9e%8bli-b-s%e4%bd%93%e7%b3%bb%e5%9b%ba%e6%80%81%e7%94%b5%e8%a7%a3%e8%b4%a8","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=251620","title":{"rendered":"\u65af\u5766\u798f\u5927\u5b66ACS Energy Letters: \u65b0\u578bLi-B-S\u4f53\u7cfb\u56fa\u6001\u7535\u89e3\u8d28"},"content":{"rendered":"
\u3010\u5168\u6587\u901f\u89c8\u3011<\/p>\n
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Reed\u6559\u6388\u56e2\u961f\u62a5\u9053\u4e86\u65b0\u578b\u5355\u7ed3\u6676\u76f8Li-B-S\u56fa\u6001\u7535\u89e3\u8d28<\/b><\/strong>\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002\u7814\u7a76\u53d1\u73b0Li6+2x<\/sub>[B10<\/sub>S18<\/sub>]Sx<\/sub>\u00a0(x \u2248 1)\u6837\u54c1\u5c55\u73b0\u51fa1.3\u00d710<\/b><\/strong>\u22124 <\/b><\/sup><\/strong>S cm<\/b><\/strong>\u22121<\/b><\/sup><\/strong>\u7684\u9ad8\u79bb\u5b50\u7535\u5bfc\u7387\u548c1.3-2.5 V<\/b><\/strong>\u7684\u7535\u5316\u5b66\u7a33\u5b9a\u6027\u7a97\u53e3\uff0c\u5176\u5bf9\u79f0\u9502\u7535\u6c60\u80fd\u591f\u627f\u53d7\u8d85\u8fc71 mA cm<\/b><\/strong>-2<\/b><\/sup><\/strong>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u4e14\u57280.3 mA cm<\/b><\/strong>-2<\/b><\/sup><\/strong>\u4e0b\u8868\u73b0\u51fa\u8d85\u8fc7140\u5c0f\u65f6\u7684\u9ad8\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u5408\u6210LBS\u4f53\u7cfb\u56fa\u6001\u7535\u89e3\u8d28\u63d0\u4f9b\u4e86\u6307\u5bfc\u539f\u5219\uff0c\u4fc3\u8fdb\u4e86\u786b\u5316\u7269\u4f53\u7cfb\u56fa\u4f53\u7535\u89e3\u8d28\u7684\u8fdb\u4e00\u6b65\u53d1\u5c55\u548c\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n \u7b2c\u4e00\u4f5c\u8005\uff08\u6216\u8005\u5171\u540c\u7b2c\u4e00\u4f5c\u8005\uff09\uff1a\u00a0\u9a6c\u94f6\u674f\uff0c\u4e07\u4f73\u96e8\uff0c\u80e5\u65b0 <\/u><\/p>\n \u901a\u8baf\u4f5c\u8005\uff08\u6216\u8005\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\uff1a\u00a0\u5d14\u5c79\uff0cWilliam C. Chueh\uff08\u9619\u5b97\u4ef0\uff09\uff0cEvan J. Reed \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/u><\/p>\n \u901a\u8baf\u5355\u4f4d\uff1a\u00a0\u65af\u5766\u798f\u5927\u5b66\uff0cSLAC\u56fd\u5bb6\u52a0\u901f\u5668\u5b9e\u9a8c\u5ba4 <\/u><\/p>\n \u8bba\u6587DOI\uff1a\u00a0https:\/\/doi.org\/10.1021\/acsenergylett.3c00560 <\/u><\/p>\n \u3010\u80cc\u666f\u4ecb\u7ecd\u3011<\/p>\n 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1)\uff0c\u4ee5\u4e0b\u7b80\u79f0\u4e3aLBS\uff0c\u5e76\u5168\u9762\u7814\u7a76\u4e86LBS\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002LBS\u5728\u5ba4\u6e29\u4e0b\u663e\u793a\u51fa1.3 \u00d7 10<\/b><\/strong>\u20134<\/b><\/sup><\/strong>\u00a0S cm<\/b><\/strong>\u20131<\/b><\/sup><\/strong>\u7684\u79bb\u5b50\u5bfc\u7535\u7387\uff0c\u5e76\u5bf9\u91d1\u5c5eLi\u5177\u67091.3-2.5 V<\/b><\/strong>\u7684\u7535\u5316\u5b66\u7a33\u5b9a\u7a97\u53e3\uff0c\u8fdc\u5927\u4e8e\u5927\u591a\u6570\u786b\u5316\u7269\u4f53\u7cfb\u7535\u89e3\u8d28\u7684\u7a33\u5b9a\u7a97\u53e3\u3002\u7ec4\u88c5\u7684\u5bf9\u79f0Li-Li\u7535\u6c60\uff0c\u80fd\u591f\u627f\u53d71 mA cm<\/b><\/strong>\u20132<\/b><\/sup><\/strong>\u7684\u7535\u6d41\u5bc6\u5ea6\uff0c\u57280.3 mA cm<\/b><\/strong>\u20132<\/b><\/sup><\/strong>\u7684\u7535\u6d41\u5bc6\u5faa\u73af\u8d85\u8fc7140\u5c0f\u65f6\uff0c\u7ed3\u679c\u8868\u660eLBS\u80fd\u591f\u6709\u6548\u6291\u5236\u9502\u679d\u6676\u7684\u751f\u957f<\/b><\/strong>\u3002<\/p>\n \u3010\u56fe\u6587\u89e3\u6790\u3011<\/p>\n \u6750\u6599\u5408\u6210\u4e0e\u7ed3\u6784\u8868\u5f81<\/p>\n \u56fe1\u4e2d\u7814\u7a76\u8005\u901a\u8fc7\u8bbe\u8ba1\u56fa\u76f8\u53cd\u5e94\u9ad8\u6e29\u70e7\u7ed3\u5b9e\u9a8c\u5408\u6210\u4e86\u65b0\u578bLBS\u56fa\u6001\u7535\u89e3\u8d28\u3002\u4e0e\u4f20\u7edf\u5408\u6210LBS\u4f53\u7cfbSSE\u5b9e\u9a8c\u76f8\u6bd4\uff0c\u8be5\u5b9e\u9a8c\u80fd\u591f\u6709\u6548\u7f29\u77ed\u5408\u6210\u65f6\u95f4\uff0c\u63d0\u9ad8\u5408\u6210\u6548\u7387\u3002\u57fa\u4e8e\u540c\u6b65\u8f90\u5c04XRD\u6570\u636e\u7cbe\u4fee\u5206\u6790\uff0c\u786e\u5b9a\u5408\u6210\u4ea7\u7269\u4e3aLi6+2x<\/sub>[B10<\/sub>S18]<\/sub>Sx<\/sub>\u00a0(x \u2248 1)\u7ed3\u6784\u3002\u8fd9\u79cd\u7ed3\u6784\u5177\u6709\u9ad8\u5ea6\u65e0\u5e8f\u7684\u975e\u6846\u67b6\u786b\u548c\u9502\u539f\u5b50\uff0c\u5176\u5750\u6807\u548c\u5360\u6709\u7387\u662f\u4e0d\u53d7\u9650\u5236\uff0c\u6709\u52a9\u4e8e\u6750\u6599\u5185\u9502\u7684\u9ad8\u8fc1\u79fb\u6027\u3002<\/p>\n \u56fe1. (a) Li6+2x<\/sub>[B10<\/sub>S18<\/sub>]Sx<\/sub>\u00a0(x \u2248 1\u62162)\u7684\u6676\u4f53\u7ed3\u6784\u3002 (b) LBS\u7c89\u672b\u5408\u6210\u7684\u793a\u610f\u56fe\u3002(c)\u540c\u6b65\u8f90\u5c04XRD\u56fe\u8c31\u53ca\u5176Rietveld\u7cbe\u4fee\u7ed3\u679c\u3002(d) LBS\u7c89\u672b\u6837\u7167\u7247\u3002(e, f) LBS\u538b\u7247\u8bd5\u6837\u7167\u7247\u3002<\/p>\n \u6750\u6599\u5f62\u8c8c\u4e0e\u7ed3\u6784\u8868\u5f81<\/p>\n \u56fe2\u4e2d\u7814\u7a76\u8005\u901a\u8fc7SEM\u53caEDS\u89c2\u5bdf\u4e86\u538b\u7247\u6837\u54c1\u53ca\u7c89\u672b\u6837\u54c1\u7684\u8868\u9762\u5f62\u8c8c\uff0c\u7ed3\u679c\u8868\u660eB\u4e0eS\u5728\u6750\u6599\u4e2d\u5747\u5300\u5206\u5e03\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0cLBS\u6750\u6599\u5bf9\u7535\u5b50\u675f\u6d41\u5f88\u654f\u611f\uff0c\u5728\u5bf9\u540c\u4e00\u9897\u7c92\u8fdb\u884c1\u548c2\u5206\u949f\u7684\u805a\u7126\u540e\uff0c\u53ef\u4ee5\u89c2\u5bdf\u5230\u660e\u663e\u7684\u675f\u6d41\u635f\u4f24\u3002\u7814\u7a76\u8005\u901a\u8fc7\u4f4e\u5242\u91cf\u3001\u9ad8\u5206\u8fa8\u7387\u51b7\u51bbTEM\u89c2\u5bdf\u5206\u6790\uff0c\u786e\u5b9a\u4e86\u6750\u6599\u4e0d\u540c\u6676\u9762\u4e4b\u95f4\u7684\u95f4\u8ddd\uff0c\u7ed3\u679c\u4e0eXRD\u4e00\u81f4\u3002<\/p>\n \u56fe2. (a) LBS\u538b\u7247\u8bd5\u6837\u8868\u9762\u7684SEM\u56fe\u3002(b, c) \u5bf9\u5e94\u7684LBS\u6837\u54c1\u7247 EDX\u56fe\uff1a(b) B\u7684\u5206\u5e03\u548c(c) S\u7684\u5206\u5e03\u3002(d) LBS\u9897\u7c92\u6837\u54c1\u7684SEM\u56fe\u50cf\u3002(e, f) \u5bf9\u5e94\u7684LBS\u9897\u7c92EDX\u56fe\uff1a(e) B\u7684\u5206\u5e03\u548c(f) S\u7684\u5206\u5e03\u3002(g) LBS\u9897\u7c92\u7684\u9ad8\u5206\u8fa8\u7387\u51b7\u51bb\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\uff08cryo-TEM\uff09\u56fe\u3002(h-j) LBS\u9897\u7c92\u7684\u9009\u533a\u7535\u5b50\u884d\u5c04\u56fe\u50cf\uff08SADP\uff09\u3002<\/p>\n Li\u8fc1\u79fb\u901a\u9053\u6a21\u62df<\/p>\n \u56fe3\u4e2d\uff0c\u7814\u7a76\u8005\u8fdb\u884c\u4e86\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u5206\u5b50\u52a8\u529b\u5b66\uff08DFT-MD\uff09\u6a21\u62df\uff0c\u4ee5\u786e\u5b9a\u4e3b\u8981\u7684\u79bb\u5b50\u4f20\u5bfc\u9014\u5f84\u3002\u572840 ps\u7684\u6a21\u62df\u8fc7\u7a0b\u4e2d\uff0cLi\u7684\u5e73\u5747\u5e73\u65b9\u4f4d\u79fb\uff08MSD\uff09\u8d85\u8fc7100 \u00c52<\/sup>\uff0c\u4e0e\u5148\u524d\u62a5\u9053\u7684\u5176\u4ed6Li-B-S\u76f8\u5728\u76f8\u5f53\u6570\u91cf\u7684\u6a21\u62df\u65f6\u95f4\u5185\u7684\u8ba1\u7b97\u7ed3\u679c\u76f8\u5f53\u3002\u4e3a\u4e86\u63a2\u7a76Li\u6700\u5feb\u7684\u4f20\u5bfc\u4f4d\u7f6e\uff0c\u6211\u4eec\u6784\u5efa\u4e86\u70ed\u529b\u56fe\uff0c\u663e\u793aLi\u6700\u5e38\u5360\u636e\u7684\u8f68\u8ff9\uff08\u56fe3c\u3001d\uff09\u3002\u8fd9\u4e9b\u70ed\u529b\u56fe\u8868\u660eLi\u503e\u5411\u4e8e\u6cbf[B10<\/sub>S18<\/sub>6\u2013<\/sup>]\u7ed3\u6784\u7684\u5916\u90e8\u4f20\u5bfc\uff0c\u5e76\u4e0d\u7a7f\u8fc7\u8fd9\u4e9b\u7ed3\u6784\u4e4b\u95f4\u7684\u95f4\u9699\u3002\u8ba1\u7b97Li\u6cbfa\u3001b\u548cc\u6676\u683c\u77e2\u91cf\u7684MSD\u4ee5\u53caab\u3001bc\u548cac\u5e73\u9762\u7684MSD\u8868\u660eLi\u5728\u6240\u6709\u65b9\u5411\u4e0a\u90fd\u6709\u6269\u6563\uff0c\u4f46\u5e76\u4e0d\u5b8c\u5168\u5404\u5411\u540c\u6027\uff1b\u5728c\u65b9\u5411\u4ee5\u53cabc\u548cac\u5e73\u9762\u4e0a\u7684\u6269\u6563\u662f\u6709\u5229\u7684\uff0c\u800c\u6cbfa\u548cb\u65b9\u5411\u7684\u6269\u6563\u5e45\u5ea6\u8f83\u4f4e\uff0c\u5927\u7ea6\u4e3a\u4e09\u5206\u4e4b\u4e00\u5230\u4e00\u534a\uff08\u56fe3b\uff09\u3002\u4e3a\u4e86\u76f4\u63a5\u6bd4\u8f83\u4e00\u7ef4\u548c\u4e8c\u7ef4\u7684MSD\uff0c\u6211\u4eec\u5c06\u56fe3b\u4e2d\u7684MSD\u503c\u6309\u7ef4\u5ea6d\u8fdb\u884c\u5f52\u4e00\u5316\uff0c\u5176\u4e2dd = 1\u8868\u793aa\u3001b\u548cc\u7684MSD\uff0cd = 2\u8868\u793aab\u3001bc\u548cac\u7684MSD\u3002\u4e3a\u4e86\u53ef\u89c6\u5316\u4f20\u5bfc\u9014\u5f84\uff0c\u6211\u4eec\u5c06\u4e09\u7ef4Li\u6982\u7387\u5bc6\u5ea6\u6298\u53e0\u5230\u4e24\u4e2a\u5e73\u9762\u4e0a\u8fdb\u884c\u53ef\u89c6\u5316\uff1a\u5782\u76f4\u4e8ec\u6676\u683c\u77e2\u91cf\u7684\u5e73\u9762\uff08\u56fe3c\uff09\u548cbc\u5e73\u9762\uff08\u56fe3d\uff09\u3002\u8fd9\u4e9b\u70ed\u529b\u56fe\u663e\u793a\u4e86\u5728 [B10<\/sub>S18<\/sub>6\u2013<\/sup>]\u7ed3\u6784\u4e4b\u95f4\u7684\u95f4\u9699\u4e2dLi\u5f3a\u5ea6\u7684\u660e\u663e\u7f3a\u5931\uff0c\u8868\u660eLi\u5728\u7ed3\u6784\u7684\u5916\u90e8\u6269\u6563\uff0c\u4f46\u4e0d\u7a7f\u8d8a\u76f8\u90bb\u7ed3\u6784\u4e4b\u95f4\u7684\u95f4\u9699\u3002<\/p>\n \u56fe3. (a) \u5728DFT-MD\u6a21\u62df\u4e2d\uff0c\u6bd4\u8f83Li10<\/sub>B10<\/sub>S19<\/sub>\u548c\u5176\u4ed6Li-B-S\u76f8\u572840-50 ps\u7684\u5747\u65b9\u4f4d\u79fb\uff08mean-squared displacement\uff0cMSD\uff09\u8868\u660e\u6b64\u76f8\u5177\u6709\u5feb\u901f\u79bb\u5b50\u4f20\u5bfc\u6027\u80fd\u3002(b) \u6cbf\u6676\u683c\u77e2\u91cf\u5b9a\u4e49\u7684\u65b9\u5411\uff08a\uff0cb\uff0cc\uff09\u548c\u5e73\u9762\uff08ab\uff0cbc\uff0cac\uff09\u7684Li MSD\u8868\u660eLi\u6269\u6563\u5728c\u65b9\u5411\u548c\u76f8\u5173\u7684\u4f4d\u7f6e\uff08ac\uff0cbc\uff09\u4e0a\u66f4\u4e3a\u6709\u5229 (c) \u6cbfc\u65b9\u5411\u89c2\u5bdf\u7684Li\u6982\u7387\u5bc6\u5ea6\u70ed\u529b\u56fe\u3002(d) \u6295\u5f71\u5230bc\u5e73\u9762\u7684Li\u6982\u7387\u5bc6\u5ea6\u70ed\u529b\u56fe\u3002\u8fd9\u4e9b\u70ed\u529b\u56fe\u8868\u660eLi\u6269\u6563\u53d1\u751f [B10<\/sub>S18<\/sub>6-<\/sup>]\u7ed3\u6784\u7684\u5916\u90e8\uff0c\u800c\u4e0d\u662f\u901a\u8fc7\u5f00\u653e\u7684\u901a\u9053\u8fdb\u884c\u3002<\/p>\n \u7535\u5316\u5b66\u8868\u5f81\u4e0e\u5206\u6790<\/p>\n \u9ad8\u79bb\u5b50\u7535\u5bfc\u7387\u548c\u5bbd\u7535\u5316\u5b66\u7a33\u5b9a\u7a97\u53e3\u662fSSE\u6750\u6599\u8ffd\u6c42\u7684\u6700\u91cd\u8981\u6027\u80fd\u3002\u56fe4\u4e2d\uff0c\u963b\u6297\u8c31\u5206\u6790\u8868\u660eSSE\u7684\u79bb\u5b50\u5bfc\u7535\u7387\u4e3a1.3 \u00d7 10\u20134<\/sup>\u00a0S cm\u20131<\/sup>\u3002\u57fa\u4e8eLi\/LBS\/LBS-C\u7535\u6c60CV\u6570\u636e\uff0cLBS\u7684\u7535\u5316\u5b66\u7a33\u5b9a\u7a97\u53e3\u4e3a1.3-2.5 V\u3002<\/p>\n<\/a><\/p>\n
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