{"id":93932,"date":"2017-08-02T06:30:27","date_gmt":"2017-08-01T22:30:27","guid":{"rendered":"\/\/m.iemloyee.com\/?p=93932"},"modified":"2017-08-02T16:41:01","modified_gmt":"2017-08-02T08:41:01","slug":"%e9%a6%99%e6%b8%af%e4%b8%ad%e6%96%87%e5%a4%a7%e5%ad%a6nano-energy%ef%bc%9a%e5%9b%ba%e6%b6%b2%e6%b7%b7%e5%90%88%e7%94%b5%e8%a7%a3%e8%b4%a8%e7%a8%b3%e5%ae%9a%e9%94%82-%e7%a1%92%e7%95%8c%e9%9d%a2","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=93932","title":{"rendered":"\u9999\u6e2f\u4e2d\u6587\u5927\u5b66Nano Energy\uff1a\u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u7a33\u5b9a\u9502-\u7852\u754c\u9762"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u9502-\u786b\u65cf\u5143\u7d20\u7535\u6c60(\u5982Li-S\u7535\u6c60\u3001Li-Se\u7535\u6c60\u548cLi-Te\u7535\u6c60)\u5177\u5907\u4f4e\u6210\u672c\u3001\u9ad8\u80fd\u91cf\u5bc6\u5ea6\u7b49\u4f18\u70b9\uff0c\u662f\u7406\u60f3\u7684\u80fd\u91cf\u50a8\u5b58\u7cfb\u7edf\u3002\u9502-\u786b\u7535\u6c60(Li-S)\u7684\u7406\u8bba\u5bb9\u91cf\u76f8\u5bf9\u8f83\u9ad8(1650 mAh\/g)\uff0c\u4f46\u662f\u786b\u7684\u5bfc\u7535\u6027\u76f8\u5bf9\u8f83\u5dee\uff0c\u5bc6\u5ea6\u76f8\u5bf9\u8f83\u5c0f\uff0c\u56e0\u6b64\u4f53\u79ef\u80fd\u91cf\u5bc6\u5ea6\u5e76\u4e0d\u7406\u60f3\u3002\u76f8\u6bd4\u8f83\u800c\u8a00\uff0cLi-Se\u7535\u6c60\u7684\u7406\u8bba\u4f53\u79ef\u5bb9\u91cf\u4e0eLi-S\u7535\u6c60\u76f8\u5f53\uff0c\u4f46\u662f\u7852\u7684\u5bfc\u7535\u6027\u8fdc\u9ad8\u4e8e\u786b(\u7ea6\u4e3a\u786b\u5bfc\u7535\u6027\u768420\u500d)\uff0c\u6709\u5229\u4e8e\u63d0\u9ad8\u6d3b\u6027\u7269\u8d28\u7684\u5229\u7528\u6548\u7387\uff0c\u4f46\u7852\u7684\u7194\u70b9\u548c\u81ea\u71c3\u70b9\u5747\u9ad8\u4e8e\u786b\uff0c\u56e0\u6b64Li-Se\u7535\u6c60\u7684\u5b89\u5168\u6027\u4e5f\u7531\u76f8\u5bf9\u4e8eLi-S\u7535\u6c60\u800c\u8a00\u8f83\u5dee\u3002<\/p>\n \u5e38\u89c4\u7684Li-Se\u7535\u6c60\u4e00\u822c\u4f7f\u7528\u56fa\u6001\u7535\u89e3\u8d28\uff0c\u7535\u5316\u5b66\u6027\u80fd\u5e76\u4e0d\u7406\u60f3\u3002\u56fa-\u56fa\u53cd\u5e94\u76f8\u5bf9\u8f83\u6162\u7684\u52a8\u529b\u5b66\u4ee5\u53ca\u76f8\u5bf9\u8f83\u5927\u7684\u4f53\u79ef\u81a8\u80c0(98 %)\uff0c\u5bfc\u81f4Li-Se\u7535\u6c60\u6d3b\u6027\u7269\u8d28\u7684\u5229\u7528\u7387\u8f83\u4f4e\uff0c\u5bb9\u91cf\u8870\u51cf\u901f\u7387\u8f83\u5feb\u3002\u56e0\u6b64\u4f18\u5316\u7535\u89e3\u8d28-\u7535\u6781\u6750\u6599\u754c\u9762\u662f\u76ee\u524dLi-Se\u7535\u6c60\u7814\u7a76\u7684\u70ed\u70b9\u4e4b\u4e00\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u9999\u6e2f\u4e2d\u6587\u5927\u5b66<\/strong>\u7684\u5362\u6021\u541b\u6559\u6388<\/strong>(<\/strong>\u901a\u8baf\u4f5c\u8005<\/strong>)<\/strong>\u7b49<\/strong>\u5728Nano Energy<\/strong>\u53d1\u8868\u4e86\u4e00\u7bc7\u9898\u4e3a\u201cA stable lithium\u2212selenium interface via solid\/liquid hybrid electrolytes: blocking polyselenides and suppressing lithium dendrite<\/strong>\u201d\u7684\u7814\u7a76\u8bba\u6587\uff0c\u62a5\u9053\u4e86\u91c7\u7528\u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u7a33\u5b9a\u9502-\u7852\u754c\u9762\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002\u7814\u7a76\u56e2\u961f\u91c7\u7528\u7194\u878d\u6269\u6563\u6cd5\u5236\u5907\u5f97\u5230\u4e86\u7852-\u79d1\u7434\u9ed1(Se-KB)\uff0c\u786b-\u79d1\u7434\u9ed1(S-KB)\u6b63\u6781\u6750\u6599\uff0c\u91c7\u7528\u56fa\u76f8\u53cd\u5e94\u6cd5\u5236\u5907\u5f97\u5230\u4e86NASCION\u7ed3\u6784\u578bLi1.5<\/sub>Al0.5<\/sub>Ge1.5<\/sub>(PO4<\/sub>)3<\/sub>\u56fa\u6001\u7535\u89e3\u8d28(LAGP)\uff0c\u7136\u540e\u5c06LAGP\u5305\u5939\u5728\u56db\u7518\u9187\u4e8c\u7532\u919a(TEGDME)\u7535\u89e3\u8d28\u4e2d\uff0c\u5f97\u5230\u4e09\u660e\u6cbb\u7ed3\u6784\u7684\u6df7\u5408\u7535\u89e3\u8d28\u3002\u7814\u7a76\u4eba\u5458\u5c06\u5236\u5907\u7684\u7535\u6781\u6750\u6599(Se-KB)\u548c\u6df7\u5408\u7535\u89e3\u8d28\u7ec4\u88c5\u6210\u534a\u7535\u6c60\uff0c\u8fdb\u884c\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5\uff0c\u5b9e\u9a8c\u7ed3\u679c\u8868\u660e\uff1a\u4f7f\u7528\u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u53ef\u4ee5\u6709\u6548\u7a33\u5b9aLi-Se\u7535\u6c60\u7684\u7535\u6781-\u7535\u89e3\u8d28\u754c\u9762\uff0c\u9650\u5236\u591a\u7852\u5316\u7269\u7684\u7a7f\u68ad\uff0c\u6291\u5236\u9502\u679d\u6676\u7684\u751f\u6210\uff0c\u63d0\u9ad8Li-Se\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u5f53\u7535\u6d41\u5bc6\u5ea6\u4e3a0.1 C\u65f6\uff0c\u7535\u6c60\u7684\u53ef\u9006\u653e\u7535\u5bb9\u91cf\u4e3a677 mAh\/g\uff0c\u7852\u7684\u5229\u7528\u7387\u63a5\u8fd1100 %\uff1b\u7535\u6c60\u7684\u7a33\u5b9a\u6027\u8f83\u597d\uff0c\u57280.8 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5faa\u73af500\u5708\u540e\u5bb9\u91cf\u4ecd\u53ef\u7ef4\u6301\u5728613 mAh\/g\uff0c\u6bcf\u5708\u7684\u5bb9\u91cf\u8870\u51cf\u7387\u4ec5\u4e3a0.008%\uff1b\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\u4e5f\u8f83\u4e3a\u7a81\u51fa\uff0c\u57281.5 C\u7684\u653e\u7535\u500d\u7387\u4e0b\uff0c\u5bb9\u91cf\u4ecd\u53ef\u9ad8\u8fbe540 mAh\/g\u3002\u56e0\u6b64\uff0c\u91c7\u7528\u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u6709\u671b\u63d0\u9ad8Li-Se\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u7535\u5316\u5b66\u6027\u80fd\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong>1 <\/strong>\u6df7\u5408\u7535\u89e3\u8d28<\/strong>Li-Se<\/strong>\u7535\u6c60\u7684\u7ed3\u6784\u793a\u610f\u56fe\u548c\u7535\u5316\u5b66\u6027\u80fd\u66f2\u7ebf<\/strong><\/p>\n (a) \u6df7\u5408\u7535\u89e3\u8d28\u7684\u9502\u7535\u6c60\u793a\u610f\u56fe\uff1b<\/p>\n (b) \u626b\u63cf\u901f\u7387\u4e3a0.1 mV\/s\u65f6\uff0c\u6df7\u5408\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7684CV\u66f2\u7ebf\uff1b<\/p>\n (c) \u7535\u6d41\u5bc6\u5ea6\u4e3a0.1 C\u65f6\uff0cLi-Se\u7535\u6c60\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n (d) \u6df7\u5408\u7535\u89e3\u8d28\u548c\u6db2\u4f53\u7535\u89e3\u8d28\u7684Li-Se\u7535\u6c60\u57280.8 C\u500d\u7387\u4e0b\u7684\u5145\/\u653e\u7535\u5bb9\u91cf\u548c\u5e93\u4ed1\u6548\u7387\u66f2\u7ebf\u56fe\u3002<\/p>\n \u56fe<\/strong>2 <\/strong>\u4e0d\u540c\u7c7b\u578b\u7535\u89e3\u8d28<\/strong>Li-Se<\/strong>\u7535\u6c60\u7684\u5145\u653e\u7535\u6027\u80fd\u66f2\u7ebf\u53ca\u5bb9\u91cf\u4fdd\u6301\u7387<\/strong><\/p>\n (a) \u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u548c\u6db2\u6001\u7535\u89e3\u8d28\u9502\u79bb\u5b50\u7535\u6c60\u7684\u5145\u653e\u7535\u5bb9\u91cf\u548c\u5e93\u4ed1\u6548\u7387\u66f2\u7ebfLiNO3<\/sub>, 0.8 C, \u4e0d\u542bLiNO3<\/sub>, 0.6 C)\uff1b<\/p>\n (b) \u6df7\u5408\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7684\u5bb9\u91cf\u548c\u5e93\u4ed1\u6548\u7387\u4fdd\u6301\u7387\u66f2\u7ebf\uff08\u542bLiNO3<\/sub>\uff0c0.8 C)\uff1b<\/p>\n (c) \u5145\/\u653e\u7535\u5faa\u73af\u540e\uff0c\u6df7\u5408\u7535\u89e3\u8d28\u7684Li\u7b94\u548c\u73bb\u7483\u7ea4\u7ef4\u7684\u7167\u7247(\u4e0d\u542bLiNO3<\/sub>\uff0c0.6 C\uff0c\u5faa\u73af100\u6b21)\uff1b<\/p>\n (d) \u56fa-\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u5145\/\u653e\u7535\u5faa\u73af\u540eLi\u7b94\u7684\u7167\u7247(\u542bLiNO3<\/sub>\uff0c0.8 C\uff0c\u5faa\u73af100\u6b21)\uff1b<\/p>\n (e) \u6db2\u4f53\u7535\u89e3\u8d28\u5145\/\u653e\u7535\u5faa\u73af\u540eLi\u7b94\u7684\u7167\u7247(\u542bLiNO3<\/sub>\uff0c0.8 C\uff0c\u5faa\u73af100\u6b21)\u3002<\/p>\n \u56fe<\/strong>3 <\/strong>\u4e0d\u540c\u7c7b\u578b\u7535\u89e3\u8d28<\/strong>Li-Se<\/strong>\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\u66f2\u7ebf<\/strong><\/p>\n (a) \u6df7\u5408\u7535\u89e3\u8d28\u548c\u6db2\u4f53\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\u66f2\u7ebf\uff1b<\/p>\n (b) \u6df7\u5408\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7b2c\u4e8c\u6b21\u5faa\u73af\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf (\u500d\u7387\u533a\u95f4\uff1a0.1-2.0 C)\uff1b<\/p>\n (c) \u6db2\u4f53\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7b2c\u4e8c\u6b21\u5faa\u73af\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf(\u500d\u7387\u533a\u95f4\uff1a0.1-2.0 C)\uff1b<\/p>\n (d) \u5f00\u8def\u7535\u538b\u4e0b\u6df7\u5408\u7535\u89e3\u8d28\u548c\u6db2\u4f53\u7535\u89e3\u8d28\u7684Li-Se\u7535\u6c60\u7684EIS\u66f2\u7ebf\u3002<\/p>\n \u56fe<\/strong>4<\/strong>\u6df7\u5408\u7535\u89e3\u8d28\u7684<\/strong>Li-Se<\/strong>\u7535\u6c60\u7684<\/strong>EIS<\/strong>\u66f2\u7ebf<\/strong><\/p>\n (<\/strong>a) 0.2 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n (b) 0.2 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5145\u7535\u66f2\u7ebf\uff1b<\/p>\n (c) EIS\u6570\u636e(\u70b9\u7b26\u53f7)\u548c\u5404\u79cd\u653e\u7535\/\u5145\u7535\u9636\u6bb5\u7684\u62df\u5408\u7ed3\u679c(\u5b9e\u7ebf)\uff1b<\/p>\n (d) \u4e0d\u540c\u653e\u7535\/\u5145\u7535\u9636\u6bb5\u7684\u6b27\u59c6\u963b\u6297(R0<\/sub>)\uff0c\u754c\u9762\u7535\u963b(R1<\/sub>)\uff0c\u7535\u8377\u8f6c\u79fb\u7535\u963b(R2<\/sub>)\u548c\u603b\u7535\u963b(Rt) (\u63d2\u56fe\u662f\u62df\u5408\u7684\u7b49\u6548\u7535\u8def)\u3002<\/p>\n \u56fe<\/strong>5\u00a0<\/strong>\u7535\u6d41\u5bc6\u5ea6\u4e3a<\/strong>0.2 C<\/strong>\u65f6\uff0c\u4e0d\u540c\u653e\u7535\u9636\u6bb5\u6df7\u5408\u7535\u89e3\u8d28\u548c<\/strong>Se-KB<\/strong>\u6b63\u6781\u7684<\/strong>SEM \/ EDX<\/strong>\u56fe\u50cf<\/strong><\/p>\n \u56fe<\/strong>6 <\/strong>\u4e0d\u540c<\/strong>Se<\/strong>\u8d1f\u8f7d\u91cf<\/strong>Li-Se<\/strong>\u7535\u6c60\u7684\u5bb9\u91cf\u548c\u5e93\u4f26\u6548\u7387\u4fdd\u6301\u7387\u66f2\u7ebf<\/strong><\/p>\n (a) \u7852\u8d1f\u8f7d\u91cf\u4e3a1-1.3 mg\/cm2<\/sup>\u65f6\uff0c\u6df7\u5408\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7684\u5145\/\u653e\u7535\u5bb9\u91cf\u548c\u5e93\u4f26\u6548\u7387\u4fdd\u6301\u7387\u66f2\u7ebf\uff1b<\/p>\n (b) \u9ad8\u7852\u8d1f\u8f7d\u91cf\u6df7\u5408\u7535\u89e3\u8d28Li-Se\u7535\u6c60\u7684\u5145\/\u653e\u7535\u5bb9\u91cf\u548c\u5e93\u4f26\u6548\u7387\u4fdd\u6301\u7387\u66f2\u7ebf(\u8d1f\u8f7d\u91cf\u4e3a3 mg\/cm2<\/sup> \u65f6\u7535\u6d41\u5bc6\u5ea6\u4e3a0.5 C, \u8d1f\u8f7d\u91cf\u4e3a5.9 mg\/cm2<\/sup>\u65f6\u7535\u6d41\u5bc6\u5ea6\u4e3a0.15 C\uff09\u3002<\/p>\n \u56fe<\/strong>7 LAGP<\/strong>\u7535\u89e3\u8d28<\/strong>0.8 C<\/strong>\u500d\u7387\u4e0b\u5faa\u73af<\/strong>500<\/strong>\u6b21\u540e\u7684\u8868\u5f81\u60c5\u51b5<\/strong><\/p>\n (a) Li\u4fa7\u7684\u5149\u5b66\u56fe\u7247\uff1b<\/p>\n (b) Se\u4fa7\u7684\u5149\u5b66\u56fe\u7247\uff1b<\/p>\n (c) XRD\u7279\u5f81\u884d\u5c04\u8c31\u56fe\uff1b<\/p>\n (d) \u622a\u9762SEM\u56fe\u7247\uff1b<\/p>\n (e) \u622a\u9762\u5143\u7d20\u5206\u5e03\u56fe\u7247\u3002<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u672c\u6587\u901a\u8fc7\u8bbe\u8ba1\u4e09\u660e\u6cbb\u7ed3\u6784\u7684\u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\uff0c\u5bf9Li-Se\u7535\u6c60\u7684\u7535\u6781-\u7535\u89e3\u8d28\u754c\u9762\u8fdb\u884c\u4e86\u4f18\u5316\uff0c\u6709\u6548\u6291\u5236\u4e86\u591a\u7852\u5316\u7269\u7684\u7a7f\u68ad\uff0c\u6291\u5236\u4e86\u9502\u679d\u6676\u7684\u5f62\u6210\uff0c\u63d0\u9ad8\u4e86\u7535\u6c60\u7535\u5316\u5b66\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u8be5\u7814\u7a76\u63d0\u51fa\u7684\u56fa\/\u6db2\u6df7\u5408\u7535\u89e3\u8d28\u4e3a\u7535\u6c60\u7a33\u5b9a\u6027\u548c\u7535\u5316\u5b66\u6027\u80fd\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7684\u601d\u8def\u53c2\u8003\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>A stable lithium\u2212selenium interface via solid\/liquid hybrid electrolytes: blocking polyselenides and suppressing lithium dendrite<\/a>(Nano Energy<\/em>, 2017, DOI: 10.1016\/j.nanoen.2017.07.038)<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5f20\u6770\u7f16\u8bd1\uff0c\u8d75\u98de\u9f99\u5ba1\u6838\uff0c\u70b9\u6211\u52a0\u5165\u6750\u6599\u4eba\u7f16\u8f91\u90e8<\/a>\u3002<\/u><\/p>\n
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