{"id":182782,"date":"2019-08-08T06:30:26","date_gmt":"2019-08-07T22:30:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=182782"},"modified":"2019-08-07T16:03:42","modified_gmt":"2019-08-07T08:03:42","slug":"%e7%9c%8b%e7%90%86%e8%ae%ba%e8%ae%a1%e7%ae%97%e5%a6%82%e4%bd%95%e5%9c%a8%e8%83%bd%e6%ba%90%e9%a2%86%e5%9f%9f%e5%a4%a7%e6%98%be%e7%a5%9e%e5%a8%81%ef%bc%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=182782","title":{"rendered":"\u770b\u7406\u8bba\u8ba1\u7b97\u5982\u4f55\u5728\u80fd\u6e90\u9886\u57df\u201c\u5927\u663e\u795e\u5a01\u201d\uff01"},"content":{"rendered":"

\u5982\u4eca\uff0c\u7406\u8bba\u8ba1\u7b97\u4e0e\u5b9e\u9a8c\u76f8\u7ed3\u5408\u5df2\u7ecf\u6210\u4e86TOP\u671f\u520a\u6700\u4e3b\u6d41\u7684\u7814\u7a76\u65b9\u5f0f\uff0c\u5c24\u5176\u662f\u5728\u6d89\u53ca\u5230\u673a\u7406\u5206\u6790\u65b9\u9762\uff0c\u7406\u8bba\u8ba1\u7b97\u51e0\u4e4e\u5fc5\u4e0d\u53ef\u5c11\u3002\u7136\u800c\uff0c\u7406\u8bba\u8ba1\u7b97\u4e0e\u5b9e\u9a8c\u4e4b\u95f4\u4ecd\u7136\u5b58\u5728\u5f88\u5927\u7684\u9e3f\u6c9f\uff0c\u8bb8\u591a\u80fd\u6e90\u9886\u57df\u7684\u7814\u7a76\u4eba\u5458\u5e76\u4e0d\u77e5\u9053\u53ef\u4ee5\u7528\u7406\u8bba\u8ba1\u7b97\u6765\u5e72\u4ec0\u4e48\uff0c\u6240\u4ee5\u4e5f\u96be\u4ee5\u60f3\u5230\u91c7\u7528\u7406\u8bba\u8ba1\u7b97\u6765\u89e3\u51b3\u81ea\u5df1\u8bfe\u9898\u4e2d\u7684\u95ee\u9898\u3002\u5728\u6b64\uff0c\u6211\u4eec\u5bf9\u7406\u8bba\u8ba1\u7b97\u5728\u80fd\u6e90\u9886\u57df\u7684\u4e00\u4e9b\u5178\u578b\u5e94\u7528\u8fdb\u884c\u6c47\u603b\uff0c\u5e76\u7ed9\u51fa\u4e00\u4e9b\u5178\u578b\u5b9e\u4f8b\uff0c\u5e0c\u671b\u80fd\u7ed9\u5927\u5bb6\u4ee5\u542f\u53d1\u3002<\/p>\n

1 \u8ba1\u7b97<\/b><\/strong>\u6750\u6599\u7684<\/b><\/strong>\u7535\u5b50\u7ed3\u6784<\/b><\/strong><\/h3>\n

\u6750\u6599\u7684\u7535\u5b50\u7ed3\u6784\u5bf9\u6750\u6599\u7684\u5bfc\u7535\u6027\u6709\u7740\u5f88\u5927\u7684\u5f71\u54cd\u3002\u5982\u679c\u7814\u7a76\u7684\u6750\u6599\u5b58\u5728\u7740\u5bfc\u7535\u6027\u7684\u5dee\u5f02\uff0c\u4eba\u4eec\u901a\u5e38\u4f1a\u8ba1\u7b97\u6750\u6599\u7684\u7535\u5b50\u7ed3\u6784\u6765\u76f8\u4e92\u9a8c\u8bc1\u3002<\/p>\n

Nano energy<\/b><\/strong>\uff1a\u91c7\u7528\u7535\u5b50\u7ed3\u6784\u89e3\u91ca<\/b><\/strong>Co<\/b><\/strong>3<\/b><\/sub><\/strong>O<\/b><\/strong>4<\/b><\/sub><\/strong>\uff0c<\/b><\/strong>Co<\/b><\/strong>3<\/b><\/sub><\/strong>S<\/b><\/strong>4<\/b><\/sub><\/strong>\u548c<\/b><\/strong>Co<\/b><\/strong>3<\/b><\/sub><\/strong>Se<\/b><\/strong>4<\/b><\/sub><\/strong>\u7535\u5bfc\u7387\u548c\u7535\u6027\u80fd\u5dee\u5f02<\/b><\/strong><\/h4>\n

Co3<\/sub>X4<\/sub>\u00a0(X = O, S, Se) \u662f\u4e00\u79cd\u975e\u5e38\u6709\u524d\u666f\u7684\u94a0\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599\uff0c\u5b83\u4eec\u6709\u7740\u7a33\u5b9a\u7684\u5316\u5b66\u6027\u8d28\uff0c\u9ad8\u7684\u7535\u5b50\u7535\u5bfc\u7387\u548c\u8f83\u597d\u7684\u53ef\u9006\u6027\u3002\u4e2d\u5357\u5927\u5b66\u7684\u7eaa\u6548\u6ce2<\/b><\/strong>\u56e2\u961f\u5c31\u5bf9\u5b83\u4eec\u7684\u50a8\u94a0\u6027\u80fd\u8fdb\u884c\u4e86\u8be6\u7ec6\u7684\u7814\u7a76[1]<\/sup>\u3002\u7531\u4e8eCo3<\/sub>O4<\/sub>\uff0cCo3<\/sub>S4<\/sub>\u548cCo3<\/sub>Se4<\/sub>\u7684\u9634\u79bb\u5b50\u6709\u7740\u4e0d\u540c\u7684\u76f4\u5f84\u548c\u7535\u8377\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u6709\u6548\u5730\u88ab\u8c03\u63a7\u5b83\u4eec\u7684\u7535\u5b50\u7ed3\u6784\uff0c\u4ece\u800c\u6539\u5584\u6750\u6599\u7684\u7535\u8377\u4f20\u8f93\u7279\u6027\u3002\u56fe1\u6bd4\u8f83\u4e86\u8fd9\u4e09\u79cd\u6750\u6599\u7684\u50a8\u94a0\u6027\u80fd\uff0c\u53ef\u4ee5\u53d1\u73b0\uff0cCo3<\/sub>O4<\/sub>\u5177\u6709\u7740\u6700\u5dee\u7684\u500d\u7387\u6027\u80fd\uff0cCo3<\/sub>S4<\/sub>\u548cCo3<\/sub>Se4<\/sub>\u7684\u500d\u7387\u6027\u80fd\u4f9d\u6b21\u6539\u5584\u3002\u5373\u4f7f\u57282\u00a0A\u00a0g-1<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0cCo3<\/sub>Se4<\/sub>\u7684\u50a8\u94a0\u5bb9\u91cf\u4ecd\u7136\u9ad8\u8fbe430 mAh g-1<\/sup>\u3002\u4e3a\u4e86\u89e3\u91ca\u5b83\u4eec\u4e4b\u95f4\u500d\u7387\u6027\u80fd\u7684\u5de8\u5927\u5dee\u5f02\uff0c\u4f5c\u8005\u91c7\u7528\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\u4e86\u8fd9\u4e09\u79cd\u6750\u6599\u7684\u7535\u5b50\u7ed3\u6784\uff08\u56fe2\uff09\u3002\u4ece\u56fe2\u53ef\u4ee5\u53d1\u73b0\uff0cCo3<\/sub>O4<\/sub>\u7684\u80fd\u9699\u4e3a2.0 eV\u3002\u5bf9\u4e8eCo3<\/sub>S4<\/sub>\uff0c\u5b83\u7684\u80fd\u9699\u4ec5\u4e3a0.1 eV\uff0c\u4e0d\u8fc7\u8d39\u7c73\u80fd\u7ea7\u7cbe\u786e\u7684\u5c06\u4ef7\u5e26\u9876\u548c\u5bfc\u5e26\u4f4e\u5206\u5f00\u3002Co3<\/sub>Se4<\/sub>\u5219\u6709\u7740\u5b8c\u5168\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u5b83\u7684\u8d39\u7c73\u80fd\u7ea7\u7ebf\u8fdb\u5165\u4e86\u5bfc\u5e26\u91cc\u9762\uff0c\u56e0\u6b64\u4ef7\u5e26\u548c\u5bfc\u5e26\u6ca1\u6709\u660e\u663e\u7684\u533a\u5206\u754c\u9650\u3002\u7531\u4e8e\u80fd\u5e26\u95f4\u9699\u662f\u51b3\u5b9a\u56fa\u4f53\u6750\u6599\u5bfc\u7535\u6027\u7684\u51b3\u5b9a\u56e0\u7d20\uff0c\u56e0\u6b64\u53ef\u4ee5\u8ba4\u4e3a\u6750\u6599\u7684\u7535\u5bfc\u7387\u5927\u5c0f\u4e3a\uff1aCo3<\/sub>O4<\/sub><Co3<\/sub>S4<\/sub><Co3<\/sub>Se4<\/sub>\u3002\u56e0\u6b64\uff0c\u968f\u7740O\u5143\u7d20\u66ff\u6362\u4e3aS\u548cSe\uff0c\u6750\u6599\u7684\u500d\u7387\u6027\u80fd\u9010\u6e10\u6539\u5584\u3002<\/p>\n

\u56fe1\u00a0Co3<\/sub>O4<\/sub>\uff0cCo3<\/sub>S4<\/sub>\u548cCo3<\/sub>Se4<\/sub>\u4f5c\u4e3a\u94a0\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u65f6\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe2 Co3<\/sub>O4<\/sub>\uff0cCo3<\/sub>S4<\/sub>\u548cCo3<\/sub>Se4<\/sub>\u5728\u8d39\u7c73\u80fd\u7ea7\u9644\u8fd1\u7684\u7535\u5b50\u7ed3\u6784<\/strong><\/p>\n

\"\"<\/p>\n

Advanced materials<\/b><\/strong>\uff1a\u7528\u6001\u5bc6\u5ea6\u89e3\u91ca\u6750\u6599\u95f4\u7684\u5bfc\u7535\u6027\u548c\u52a8\u529b\u5b66\u5dee\u5f02<\/b><\/strong><\/h4>\n

TiO2<\/sub>\u662f\u4e00\u79cd\u4f18\u5f02\u7684\u94a0\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599\uff0c\u7136\u800c\u5b83\u7684\u6027\u80fd\u4ecd\u9700\u8fdb\u4e00\u6b65\u5730\u63d0\u5347\u3002\u5728\u672c\u6587\u91cc\u9762\uff0c\u5c71\u4e1c\u5927\u5b66\u7684\u718a\u80dc\u6797<\/b><\/strong>\u548c\u5408\u80a5\u5fae\u5c3a\u5ea6\u7269\u8d28\u79d1\u5b66\u56fd\u5bb6\u5b9e\u9a8c\u5ba4\u7684Lin<\/b><\/strong>\u00a0<\/b><\/strong>Yue<\/b><\/strong>\u56e2\u961f\u5236\u5907\u4e86\u4e00\u79cd\u5c42\u7ea7\u72b6\u7684\u591a\u7a7a\u6df7\u5408\u7eb3\u7c73\u7247\uff08TiO2<\/sub>@NFG\uff09\uff0c\u5b83\u662f\u7531\u5747\u5300\u7684TiO2<\/sub>\u7eb3\u7c73\u9897\u7c92\u548c\u6c2e\u63ba\u6742\u7684\u77f3\u58a8\u70ef\u7247\u5c42\u76f8\u4e92\u4ea4\u8054\u6784\u6210[2]<\/sup>\u3002\u76f8\u6bd4\u4e8e\u7eaf\u7684TiO2<\/sub>\u6837\u54c1\uff08m-TiO2<\/sub>\uff0c60 C\uff1a~50 mAh g-1<\/sup>\uff09\uff0cTiO2<\/sub>@NFG\u8868\u73b0\u51fa\u4e86\u66f4\u597d\u500d\u7387\u6027\u80fd\uff0860 C\uff1a110 mAh g-1<\/sup>\uff09\uff0c\u8fd9\u6e90\u4e8e\u5176\u9ad8\u7684\u5bfc\u7535\u6027\u548c\u4f18\u5f02\u7684\u52a8\u529b\u5b66\u7279\u6027\uff08\u56fe3\uff09\u3002\u4e3a\u4e86\u89e3\u91ca\u6c2e\u63ba\u6742\u7684\u77f3\u58a8\u70ef\u7247\u5c42\uff08NFG\uff09\u5bf9TiO2<\/sub>\u5bfc\u7535\u6027\u548c\u52a8\u529b\u5b66\u6027\u8d28\u7684\u5f71\u54cd\uff0c\u4f5c\u8005\u91c7\u7528CP2K\u8f6f\u4ef6\u4f9d\u636eDFT\u7406\u8bba\u8ba1\u7b97\u4e86m-TiO2<\/sub>\u548cTiO2<\/sub>@NFG\u7684\u6001\u5bc6\u5ea6\uff08DOS\uff09\u3002\u5982\u56fe4G\u6240\u793a\uff0c\u5bf9\u4e8e\u7eaf\u7684m-TiO2<\/sub>\uff0c\u5b83\u7684\u4ef7\u5e26\uff08VB\uff09\u548c\u5bfc\u5e26\uff08CB\uff09\u4e4b\u95f4\u5e26\u9699\u5927\u7ea6\u4e3a3\u00a0eV\u3002\u4f5c\u4e3a\u5bf9\u6bd4\uff0cTiO2<\/sub>@NFG\u6837\u54c1\u4e2d\u5305\u8986\u7684NFG\u662f\u4e00\u4e2a\u5bfc\u4f53\uff0c\u5b83\u5bf9\u8d39\u7c73\u80fd\u7ea7\uff08Fermi\u00a0level\uff09\u9644\u8fd1\u7684\u80fd\u5e26\u6709\u8d21\u732e\uff08\u56fe4H\uff09\u3002\u56e0\u6b64\uff0c\u7535\u5b50\u53ef\u4ee5\u975e\u5e38\u5bb9\u6613\u5730\u6cbf\u7740NFG\u4f20\u8f93\uff0c\u4ece\u800c\u6539\u5584TiO2<\/sub>@NFG\u6750\u6599\u7684\u5bfc\u7535\u6027\u548c\u52a8\u529b\u5b66\u7279\u6027\u3002<\/p>\n

\u56fe3\u00a0m-TiO2<\/sub>\u548cTiO2<\/sub>@NFG\u7535\u6781\u7684\u52a8\u529b\u5b66\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe4\u00a0DFT\u8ba1\u7b97\u5f97\u5230\u7684m-TiO2<\/sub>\u548cTiO2<\/sub>@NFG\u7684\u6001\u5bc6\u5ea6<\/strong><\/p>\n

\"\"<\/p>\n

2 <\/b><\/strong>\u8ba1\u7b97\u5438\u9644\u80fd\/\u7ed3\u5408<\/b><\/strong>\u80fd<\/b><\/strong><\/h3>\n

\u7269\u8d28\u4e4b\u95f4\u5438\u9644\u80fd\u7684\u8ba1\u7b97\u53ef\u4ee5\u8868\u660e\u6750\u6599\u4e4b\u95f4\u7684\u7ed3\u5408\u72b6\u6001\u3002\u5bf9\u4e8e\u5b58\u5728\u6613\u6eb6\u89e3\u7684\u7cfb\u7edf\uff08\u5982\u9502\u786b\u7535\u6c60\u4e2d\u7684\u591a\u786b\u5316\u7269\uff09\u800c\u8a00\uff0c\u901a\u8fc7\u7406\u8bba\u8ba1\u7b97\u6765\u8868\u660e\u6750\u6599\u4e4b\u95f4\u7684\u7ed3\u5408\u72b6\u6001\u5c31\u663e\u5f97\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

Nature communications<\/b><\/strong>\uff1a\u9ed1\u78f7\u91cf\u5b50\u70b9\u9ad8\u6548\u5438\u9644\u548c\u50ac\u5316\u591a\u786b\u5316\u9502<\/b><\/strong><\/h4>\n

\u7531\u4e8e\u5177\u6709\u9ad8\u7684\u80fd\u91cf\u5bc6\u5ea6\uff0c\u9502\u786b\u7535\u6c60\u88ab\u89c6\u4e3a\u975e\u5e38\u6709\u5e0c\u671b\u7684\u4e0b\u4e00\u4ee3\u50a8\u80fd\u7cfb\u7edf\u3002\u7136\u800c\uff0c\u591a\u786b\u5316\u7269\u7684\u7a7f\u68ad\u4ee5\u53ca\u7f13\u6162\u7684\u8f6c\u5316\u53cd\u5e94\u4e25\u91cd\u5730\u9650\u5236\u4e86\u6d3b\u6027\u7269\u8d28\u7684\u5229\u7528\u7387\u3002\u5c3d\u7ba1\u7269\u7406\u6216\u5316\u5b66\u9650\u57df\u53ef\u4ee5\u6709\u6548\u5730\u56fa\u5b9a\u591a\u786b\u5316\u7269\uff0c\u4f46\u5374\u4e0d\u80fd\u6709\u6548\u5730\u5229\u7528\u591a\u786b\u5316\u7269\u3002\u5728\u672c\u6587\u91cc\uff0c\u6e05\u534e\u5927\u5b66\u7684\u5f20\u5f3a<\/b><\/strong>\u548c\u9999\u6e2f\u7406\u5de5\u5927\u5b66\u5218\u6811\u5e73<\/b><\/strong>\u56e2\u961f\u91c7\u7528\u9ed1\u78f7\u91cf\u5b50\u70b9\u4f5c\u4e3a\u5438\u9644\u548c\u7535\u50ac\u5316\u5242\u6765\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898[3]<\/sup>\u3002\u4e3a\u4e86\u8bc1\u660e\u9ed1\u78f7\u91cf\u5b50\u70b9\u5bf9\u591a\u786b\u5316\u9502\u7684\u4f18\u5f02\u7684\u5438\u9644\u6027\u80fd\uff0c\u4f5c\u8005\u91c7\u7528\u4e86\u7b2c\u4e00\u6027\u539f\u7406\u8ba1\u7b97\u5f97\u5230\u4e86\u9ed1\u78f7\u91cf\u5b50\u70b9\u548c\u591a\u786b\u5316\u9502\u4e4b\u95f4\u7684\u5438\u9644\u7ed3\u5408\u80fd\u3002\u56fe5\u548c6\u5c55\u793a\u4e86\u591a\u786b\u5316\u9502\u5438\u9644\u5728\u9ed1\u78f7\uff08BP\uff09\u5e73\u53f0\u548c\u8fb9\u7f18\u4e0a\u7684\u7ed3\u5408\u80fd\u53ca\u5438\u9644\u72b6\u51b5\u3002\u53ef\u4ee5\u53d1\u73b0\uff0c\uff081\uff09\u5438\u9644\u80fd\u968f\u7740\u5438\u9644\u5206\u5b50\u5c3a\u5bf8\u7684\u589e\u52a0\u800c\u964d\u4f4e\uff1b\uff082\uff09\u591a\u786b\u5316\u9502\u5728\u8fb9\u7f18\u5904\u7684\u5438\u9644\u80fd\u5927\u4e8e\u5e73\u53f0\u5904\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u964d\u4f4e\u9ed1\u78f7\u7684\u5c3a\u5bf8\u8fbe\u5230\u7eb3\u7c73\u7ea7\u522b\u53ef\u4ee5\u589e\u52a0\u8fb9\u7f18\u7684\u6570\u91cf\uff0c\u4ece\u800c\u6709\u6548\u5730\u63d0\u9ad8\u5438\u9644\u50ac\u5316\u7684\u6548\u679c\u3002\u7535\u5316\u5b66\u6d4b\u8bd5\u4e5f\u8868\u660e\uff0c\u76f8\u6bd4\u4e8e\u591a\u5b54\u78b3\/\u786b\u6b63\u6781\u6750\u6599\uff0c\u591a\u5b54\u78b3\/\u786b\/\u9ed1\u78f7\u91cf\u5b50\u70b9\u590d\u5408\u6b63\u6781\u6750\u6599\u8868\u73b0\u51fa\u4e86\u4f18\u5f02\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u548c\u957f\u5faa\u73af\u6027\u80fd\uff08\u56fe7\uff09\u3002<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

Energy & Environmental Science<\/b><\/strong>\uff1a\u6c28\u57fa\u5316\u7684\u77f3\u58a8\u70ef\u7d27\u5bc6\u5438\u9644SnS<\/b><\/strong>2<\/b><\/sub><\/strong>\u63d0\u9ad8\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027<\/b><\/strong><\/h4>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

3 \u8ba1\u7b97\u79bb\u5b50\u6269\u6563\u6027\u8d28<\/b><\/strong><\/h3>\n

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Energy & Environmental Science<\/b><\/strong>\uff1aDFT\u8ba1\u7b97\u8bc1\u660e\u5b54\u9053\u53ef\u52a0\u901f\u9502\u79bb\u5b50\u7684\u4f20\u5bfc<\/b><\/strong><\/h4>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

Angewandte Chemie International Edition<\/b><\/strong>\uff1a\u201c\u7b2c\u4e00\u539f\u7406\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u201d\u8ba1\u7b97\u9502\u79bb\u5b50\u5728\u4e0d\u540c\u8def\u5f84\u4e0b\u7684\u6269\u6563\u80fd\u5792\u548c\u5e73\u5747\u6269\u6563\u80fd\u5792<\/b><\/strong><\/h4>\n

\u4f5c\u4e3a\u4e00\u79cd\u5178\u578b\u7684\u78b1\u571f\u91d1\u5c5e\u78b3\u5316\u7269\uff0c\u78b3\u5316\u9502\uff08Li2<\/sub>C2<\/sub>\uff09\u5728\u6240\u6709\u5df2\u62a5\u9053\u7684\u542b\u9502\u6b63\u6781\u6750\u6599\u4e2d\u6709\u7740\u6700\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\uff081400 mAh g-1<\/sup>\uff09\u3002\u4e3a\u6b64\uff0c\u4e2d\u79d1\u9662\u7269\u7406\u6240\u7684\u738b\u5146\u7fd4<\/b><\/strong>\u56e2\u961f\u5bf9\u5176\u50a8\u9502\u6027\u80fd\u8fdb\u884c\u4e86\u7814\u7a76[6]<\/sup>\u3002\u5982\u56fe12\u6240\u793a\uff0cLi2<\/sub>C2<\/sub>\u5728\u7b2c\u4e00\u5708\u7684\u53ef\u9006\u6bd4\u5bb9\u91cf\u4e3a700 mAh g-1<\/sup>\uff0c\u8fd9\u8868\u660e\u5176\u81f3\u5c11\u53ef\u4ee5\u8131\u53bb\u4e00\u534a\u7684\u9502\u79bb\u5b50\u3002\u7136\u800c\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u53d1\u73b0\u6750\u6599\u5728\u5145\u653e\u7535\u7684\u65f6\u5019\u5b58\u5728\u7740\u5f88\u5927\u7684\u7535\u52bf\u5dee\u3002\u4e3a\u4e86\u8bc4\u4f30\u8be5\u6750\u6599\u7684\u9502\u79bb\u5b50\u6269\u6563\u6027\u8d28\u5e76\u89e3\u91ca\u6750\u6599\u4e3a\u4f55\u5b58\u5728\u5f88\u5927\u7684\u8fc7\u7535\u52bf\uff0c\u4f5c\u8005\u91c7\u7528\u7b2c\u4e00\u539f\u7406\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\uff08FPMD\uff09\u5bf9\u6750\u6599\u8fdb\u884c\u4e86\u7814\u7a76\u3002\u5982\u56fe13a\u6240\u793a\uff0c\u4f5c\u8005\u9996\u5148\u901a\u8fc7\u5e7f\u4e49\u7231\u56e0\u65af\u5766\u65b9\u7a0b\u8ba1\u7b97\u201c\u4f4d\u79fb\u5e73\u5747\u65b9\u5dee\uff08MSD\uff09\u201d\u5f97\u5230\u4e86\u6750\u6599\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0b\u7684\u9502\u79bb\u5b50\u6269\u6563\u7cfb\u6570D<\/i><\/em>Li<\/sub>\u3002\u968f\u540e\uff0c\u5229\u7528\u963f\u4f26\u5c3c\u4e4c\u65af\u65b9\u7a0b\u5f97\u5230\u4e86\u9502\u79bb\u5b50\u5e73\u5747\u6269\u6563\u6fc0\u6d3b\u80fd\uff08E<\/i><\/em>a<\/sub>\uff09\u3002\u7814\u7a76\u53d1\u73b0\uff0cE<\/i><\/em>a<\/sub>\u5927\u7ea6\u4e3a0.50 eV\uff0c\u8fd9\u662f\u4e00\u4e2a\u76f8\u5bf9\u8f83\u9ad8\u7684\u6269\u6563\u80fd\u5792\u3002\u8fd9\u4e5f\u5f88\u6709\u53ef\u80fd\u5c31\u662f\u6750\u6599\u5177\u6709\u5927\u8fc7\u7535\u52bf\u7684\u539f\u56e0\u3002\u8fdb\u4e00\u6b65\u5730\uff0c\u4f5c\u8005\u4e5f\u5bf9\u9502\u79bb\u5b50\u7684\u6269\u6563\u8def\u5f84\u8fdb\u884c\u4e86\u6a21\u62df\u8ba1\u7b97\u3002\u7ed3\u679c\u8868\u660e\u9502\u79bb\u5b50\u5728Li2<\/sub>C2<\/sub>\u4e2d\u7684\u6269\u6563\u8def\u5f84\u662f\u4e09\u7ef4\u7684\uff08\u56fe13b\uff09\uff0c\u5305\u542b\u4e94\u79cd\u5178\u578b\u7684\u8df3\u8dc3\u6a21\u5f0f\u3002\u5982\u56fe13c-g\u6240\u793a\uff0c\u4e0e\u5176\u4ed6\u8def\u5f84\u76f8\u6bd4\uff0c\u8def\u5f841\u6709\u7740\u6700\u5c0f\u7684\u6269\u6563\u80fd\u5792\uff08A\u65b9\u5f0f\uff1a0.290 eV\uff1bB\u65b9\u5f0f\uff1a0.295 eV\uff09\u3002\u901a\u8fc7\u963f\u4f26\u5c3c\u4e4c\u65af\u65b9\u7a0b\u5f97\u5230\u7684\u9502\u79bb\u5b50\u5e73\u5747\u6269\u6563\u6fc0\u6d3b\u80fdE<\/i><\/em>a<\/sub>\u5c31\u4ee3\u8868\u7740\u8fd9\u4e94\u79cd\u6269\u6563\u8def\u5f84\u7684\u5e73\u5747\u503c\u3002<\/p>\n

\u56fe12 Li2<\/sub>C2<\/sub>\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe13 Li\u5728Li2<\/sub>C2<\/sub>\u4e2d\u6269\u6563\u7684\u963f\u4f26\u5c3c\u4e4c\u65af\u66f2\u7ebf\u53ca\u5176\u4e94\u79cd\u6269\u6563\u8def\u5f84\u548c\u6269\u6563\u80fd\u5792\u5927\u5c0f<\/strong><\/p>\n

\"\"<\/p>\n

4 \u7535\u5316\u5b66\u53cd\u5e94\u65f6\u7684\u5e94\u529b\u6a21\u62df<\/b><\/strong><\/h3>\n

\u6750\u6599\u5728\u8fdb\u884c\u9502\u5316\u53cd\u5e94\u65f6\uff0c\u4e0d\u4ec5\u4f1a\u53d1\u751f\u5f62\u8c8c\u548c\u7ed3\u6784\u4e0a\u7684\u53d8\u5316\uff0c\u5176\u5e94\u529b\u4e5f\u4f1a\u4ea7\u751f\u660e\u663e\u7684\u53d8\u5316\u3002\u5982\u679c\u5e94\u529b\u8fc7\u5927\uff0c\u6750\u6599\u5c31\u4f1a\u53d1\u751f\u65ad\u88c2\uff0c\u4ece\u800c\u4e25\u91cd\u5f71\u54cd\u6027\u80fd\u7684\u53d1\u6325\u3002\u5982\u679c\u8bbe\u8ba1\u5148\u8fdb\u7684\u7ed3\u6784\uff0c\u5219\u6750\u6599\u5728\u53cd\u5e94\u65f6\u7684\u5e94\u529b\u5c31\u4f1a\u5927\u5927\u51cf\u5c11\uff0c\u4ece\u800c\u6709\u5229\u4e8e\u4fdd\u6301\u6750\u6599\u7684\u7a33\u5b9a\u6027\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u7406\u8bba\u6a21\u578b\u5bf9\u6750\u6599\u5728\u9502\u5316\u53cd\u5e94\u65f6\u7684\u5e94\u529b\u72b6\u51b5\u8fdb\u884c\u7814\u7a76\u4e5f\u5f88\u6709\u610f\u4e49\u3002<\/p>\n

Nanoscale\uff1a\u201c\u5316\u5b66\u529b\u5b66\u6a21\u62df\u201d\u63ed\u793aCu<\/b><\/strong>3<\/b><\/sub><\/strong>Si-Si@Carbon@graphene\u590d\u5408\u6750\u6599\u5177\u6709\u957f\u5faa\u73af\u6027\u80fd\u7684\u539f\u56e0<\/b><\/strong><\/h4>\n

Si\u8d1f\u6781\u7531\u4e8e\u6709\u7740\u6700\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\uff084200 mAh g-1<\/sup>\uff09\uff0c\u76f8\u5bf9\u8f83\u4f4e\u7684\u5de5\u4f5c\u7535\u4f4d\uff08\u223c0.4 V vs<\/i><\/em>. Li\/Li+<\/sup>\uff09\u548c\u9ad8\u7684\u8d44\u6e90\u50a8\u91cf\u800c\u53d7\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002\u4f46\u662f\uff0c\u5176\u5728\u53d1\u751f\u9502\u5316\u53cd\u5e94\u65f6\u4f1a\u4ea7\u751f\u5de8\u5927\u7684\u4f53\u79ef\u81a8\u80c0\uff08>300%\uff09\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u5feb\u901f\u7684\u5bb9\u91cf\u8870\u51cf\u4ece\u800c\u963b\u788dSi\u8d1f\u6781\u7684\u5b9e\u9645\u5e94\u7528\u3002\u4e3a\u6b64\uff0c\u53a6\u95e8\u5927\u5b66\u7684\u5f20\u6865\u4fdd\uff0c\u5f6d\u680b\u6881<\/b><\/strong>\u548c\u5185\u5e03\u62c9\u65af\u52a0\u5927\u5b66\u6797\u80af\u5206\u6821Zeng Xiao<\/b><\/strong>c<\/b><\/strong>heng<\/b><\/strong>\u7b49\u7814\u7a76\u8005\u8bbe\u8ba1\u4e86\u4e00\u79cd\u81ea\u652f\u6491\u7684Cu3<\/sub>Si-Si@Carbon@graphene\uff08Cu3<\/sub>Si-SCG\uff09\u7eb3\u7c73\u590d\u5408\u6750\u6599\u6765\u89e3\u51b3\u4e0a\u8ff0\u95ee\u9898[7]<\/sup>\u3002\u65e0\u8bba\u662f\u76f8\u6bd4\u4e8e\u7eafSi\uff0cSi@Carbon@graphene\uff08SCG\uff09\uff0c\u8fd8\u662f\u5176\u4ed6Cu3<\/sub>Si-SCG\u6837\u54c1\uff0cCu3<\/sub>Si-SCG-2\uff082\u8868\u793a\u70ed\u5904\u7406\u65f6\u95f42\u00a0h\uff09\u90fd\u8868\u73b0\u51fa\u4e86\u6781\u4f18\u5f02\u7684\u5faa\u73af\u7a33\u5b9a\u6027\uff08\u56fe14\uff09\u3002\u4e3a\u4e86\u89e3\u91caCu3<\/sub>Si-SCG-2\u6750\u6599\u5177\u6709\u4f18\u5f02\u6027\u80fd\u7684\u539f\u56e0\uff0c\u4f5c\u8005\u91c7\u7528\u5316\u5b66\u529b\u5b66\u6a21\u62df\u5bf9Si\uff0cSCG\u548cCu3<\/sub>Si-SCG-2\u6750\u6599\u5728\u9502\u5316\u53cd\u5e94\u65f6\u7684\u5e94\u529b\u60c5\u51b5\u8fdb\u884c\u4e86\u6a21\u62df\uff08\u56fe15\uff09\u3002\u5982\u56fe15a2\u6240\u793a\uff0cSi\u6750\u6599\u5728\u9502\u5316\u65f6\u53d1\u751f\u4e86\u975e\u5e38\u5927\u7684\u81ea\u7531\u81a8\u80c0\uff0c\u4e0d\u8fc7\u5e94\u529b\u4e0d\u9ad8\u3002\u5bf9\u4e8eSCG\u6750\u6599\u800c\u8a00\uff08\u56fe15b2\uff09\uff0c\u8868\u9762\u7684\u78b3\u5c42\u6291\u5236\u4e86Si\u7684\u81ea\u7531\u81a8\u80c0\uff0c\u56e0\u6b64\u6750\u6599\u7684\u81a8\u80c0\u76f8\u6bd4\u7eafSi\u8981\u5c0f\u3002\u4f46\u662f\uff0c\u5728\u53cd\u5e94\u65f6Si\u5185\u6838\u548c\u78b3\u58f3\u5c42\u754c\u9762\u5904\u7684\u5e94\u529b\u975e\u5e38\u5927\uff0c\u6700\u9ad8\u8fbe\u5230\u4e8670 GPa\u3002\u8fd9\u4e48\u9ad8\u7684\u5e94\u529b\u5c06\u4f1a\u9020\u6210\u6750\u6599\u7834\u88c2\uff0c\u4ece\u800c\u964d\u4f4e\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u56fe15c2\u5219\u5c55\u793a\u4e86Cu3<\/sub>Si-SCG-2\u6750\u6599\u5728\u9502\u5316\u65f6\u7684\u5e94\u529b\u5206\u5e03\u72b6\u51b5\u3002\u53ef\u4ee5\u770b\u5230\uff0c\u6750\u6599\u7684\u4f53\u79ef\u81a8\u80c0\u548c\u5e94\u529b\u5f97\u5230\u4e86\u5f88\u597d\u7684\u5e73\u8861\u3002\u8fd9\u4e9b\u6a21\u62df\u7814\u7a76\u7ed3\u679c\u8868\u660e\uff1a\uff081\uff09\u78b3\u58f3\u53ef\u4ee5\u6709\u6548\u5730\u6291\u5236Si\u6838\u7684\u81a8\u80c0\uff1b\uff082\uff09\u5185\u90e8\u7684Cu3<\/sub>Si\u53ef\u4ee5\u6709\u6548\u5730\u964d\u4f4e\u78b3\u58f3\u5904\u7684\u62c9\u5e94\u529b\u3002<\/p>\n

\u56fe14 Cu3<\/sub>Si-Si@Carbon@graphene\uff08Cu3<\/sub>Si-SCG\uff09\u7eb3\u7c73\u590d\u5408\u6750\u6599\u7684\u5faa\u73af\u6027\u80fd\uff0c\u7ed3\u5c3e\u6570\u5b57\u8868\u793a\u70ed\u5904\u7406\u65f6\u95f4\u4e3ax<\/i><\/em>\u5c0f\u65f6<\/strong><\/p>\n

\"\"<\/p>\n

\u56fe15 Si\uff0c SCG\u548cCu3<\/sub>Si-SCG-2\u6750\u6599\u5728\u4e0d\u540c\u9502\u5316\u72b6\u6001\u4e0b\u7684\u51af\u00b7\u7c73\u585e\u65af\u5e94\u529b\uff08von Mises stress\uff09\u5206\u5e03\u60c5\u51b5\u3002<\/strong><\/p>\n

\"\"<\/p>\n

ACS<\/b><\/strong>\u00a0<\/b><\/strong>Nano\uff1a\u86cb\u9ec4\u86cb\u58f3\uff08<\/b><\/strong>y<\/b><\/strong>olk-shell\uff09\u7ed3\u6784\u76f8\u6bd4\u6838\u58f3\u7ed3\u6784\uff08core-shell\uff09\u53ef\u663e\u8457\u964d\u4f4e\u6750\u6599\u5728\u9502\u5316\u65f6\u7684\u5e94\u529b<\/b><\/strong><\/h4>\n

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5 <\/b><\/strong>\u5176\u4ed6<\/b><\/strong><\/h3>\n

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Nature<\/b><\/strong>\u00a0<\/b><\/strong>communications\uff1a\u8ba1\u7b97CuS\u6750\u6599\u94a0\u5316\u65f6\u7684\u7406\u8bba\u7535\u538b\u548c\u76f8\u8f6c\u53d8\u8def\u7ebf<\/b><\/strong><\/h4>\n

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The<\/b><\/strong>\u00a0Journal of Physical Chemistry letters<\/b><\/strong>\uff1a\u8ba1\u7b97\u9502\u786b\u7535\u6c60\u4e2d\u591a\u786b\u5316\u7269\u7684X\u5c04\u7ebf\u5438\u6536\u5149\u8c31<\/b><\/strong><\/h4>\n

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The<\/b><\/strong>\u00a0Journal of Physical Chemistry <\/b><\/strong>C\uff1a\u6a21\u62dfSEI\u819c\u7684\u751f\u6210\u673a\u7406<\/b><\/strong><\/h4>\n

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6<\/b><\/strong>\u00a0<\/b><\/strong>\u603b\u7ed3<\/b><\/strong><\/h3>\n

\u95fb\u9053\u6709\u5148\u540e\uff0c\u672f\u4e1a\u6709\u4e13\u653b\u3002\u5bf9\u4e8e\u5927\u90e8\u5206\u79d1\u7814\u4eba\u5458\u800c\u8a00\uff0c\u6211\u4eec\u53ef\u80fd\u4e0d\u9700\u8981\u81ea\u5df1\u4eb2\u81ea\u53bb\u505a\u7406\u8bba\u8ba1\u7b97\uff0c\u4f46\u6211\u4eec\u6700\u597d\u660e\u767d\u7406\u8bba\u8ba1\u7b97\u53ef\u4ee5\u7528\u6765\u505a\u4ec0\u4e48\u3002\u53ea\u6709\u8fd9\u6837\uff0c\u6211\u4eec\u624d\u80fd\u60f3\u5230\u5229\u7528\u7406\u8bba\u8ba1\u7b97\u6765\u89e3\u51b3\u6211\u4eec\u81ea\u5df1\u7684\u95ee\u9898\uff0c\u5e76\u6e05\u695a\u5730\u5411\u5408\u4f5c\u8001\u5e08\u6216\u8005\u79d1\u7814\u670d\u52a1\u673a\u6784\uff08\u5982\u6750\u6599\u4eba\u7b49\uff09\u8868\u8fbe\u81ea\u5df1\u7684\u9700\u6c42\u3002<\/p>\n

\u53c2\u8003\u6587\u732e<\/b><\/strong><\/h3>\n

[1] P. Ge, C. Zhang, H. Hou, B. Wu, L. Zhou, S. Li, T. Wu, J. Hu, L. Mai, X. Ji, Anions induced evolution of Co3<\/sub>X4<\/sub>\u00a0(X\u202f=\u202fO, S, Se) as sodium-ion anodes: The influences of electronic structure, morphology, electrochemical property, Nano Energy, 48 (2018) 617-629.<\/p>\n

[2] B. Li, B. Xi, Z. Feng, Y. Lin, J. Liu, J. Feng, Y. Qian, S. Xiong, Hierarchical Porous Nanosheets Constructed by Graphene-Coated, Interconnected TiO2<\/sub>\u00a0Nanoparticles for Ultrafast Sodium Storage, Adv. Mater., 30 (2018) 1705788.<\/p>\n

[3] Z.L. Xu, S. Lin, N. Onofrio, L. Zhou, F. Shi, W. Lu, K. Kang, Q. Zhang, S.P. Lau, Exceptional catalytic effects of black phosphorus quantum dots in shuttling-free lithium sulfur batteries, Nat. Commun., 9 (2018) 4164.<\/p>\n

[4] Y. Jiang, M. Wei, J. Feng, Y. Ma, S. Xiong, Enhancing the cycling stability of Na-ion batteries by bonding SnS2<\/sub>\u00a0ultrafine nanocrystals on amino-functionalized graphene hybrid nanosheets, Energy Environ. Sci., 9 (2016) 1430-1438.<\/p>\n

[5] M.-S. Balogun, H. Yang, Y. Luo, W. Qiu, Y. Huang, Z.-Q. Liu, Y. Tong, Achieving high gravimetric energy density for flexible lithium-ion batteries facilitated by core-double-shell electrodes, Energy Environ. Sci., 11 (2018) 1859-1869.<\/p>\n

[6] N. Tian, Y. Gao, Y. Li, Z. Wang, X. Song, L. Chen, Li2<\/sub>C2<\/sub>, a High-Capacity Cathode Material for Lithium Ion Batteries, Angew. Chem. Int. Edit., 55 (2016) 644-648.<\/p>\n

[7] Z. Zheng, H.H. Wu, H. Chen, Y. Cheng, Q. Zhang, Q. Xie, L. Wang, K. Zhang, M.S. Wang, D.L. Peng, X.C. Zeng, Fabrication and understanding of Cu3<\/sub>Si-Si@carbon@graphene nanocomposites as high-performance anodes for lithium-ion batteries, Nanoscale, 10 (2018) 22203-22214.<\/p>\n

[8] L. Zhao, H.H. Wu, C. Yang, Q. Zhang, G. Zhong, Z. Zheng, H. Chen, J. Wang, K. He, B. Wang, T. Zhu, X.C. Zeng, M. Liu, M.S. Wang, Mechanistic Origin of the High Performance of Yolk@Shell Bi2<\/sub>S3<\/sub>@N-Doped Carbon Nanowire Electrodes, ACS Nano, 12 (2018) 12597-12611.<\/p>\n

[9] J.Y. Park, S.J. Kim, J.H. Chang, H.K. Seo, J.Y. Lee, J.M. Yuk, Atomic visualization of a non-equilibrium sodiation pathway in copper sulfide, Nat. Commun., 9 (2018) 922.<\/p>\n

[10] T.A. Pascal, K.H. Wujcik, J. Velasco-Velez, C. Wu, A.A. Teran, M. Kapilashrami, J. Cabana, J. Guo, M. Salmeron, N. Balsara, D. Prendergast, X-ray Absorption Spectra of Dissolved Polysulfides in Lithium-Sulfur Batteries from First-Principles, J. Phys. Chem. Lett., 5 (2014) 1547-1551.<\/p>\n

[11] N. Takenaka, T. Fujie, A. Bouibes, Y. Yamada, A. Yamada, M. Nagaoka, Microscopic Formation Mechanism of Solid Electrolyte Interphase Film in Lithium-Ion Batteries with Highly Concentrated Electrolyte, J Phys. Chem. C, 122 (2018) 2564-2571.<\/p>\n

\u672c\u6587\u7531\u738b\u8001\u5e08<\/strong>\u4f9b\u7a3f\u3002<\/p>\n

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