{"id":175253,"date":"2019-05-13T12:09:36","date_gmt":"2019-05-13T04:09:36","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=175253"},"modified":"2019-05-13T12:09:36","modified_gmt":"2019-05-13T04:09:36","slug":"%e6%a0%bc%e9%87%8c%e8%8f%b2%e6%96%af%e5%a4%a7%e5%ad%a6%e3%80%81%e4%b8%ad%e7%a7%91%e5%a4%a7%e8%b5%b5%e6%83%a0%e5%86%9bangew%ef%bc%9a%e9%ab%98%e5%af%bc%e7%94%b5%e6%80%a7%e5%92%8c%e9%ab%98%e6%8c%af","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=175253","title":{"rendered":"\u683c\u91cc\u83f2\u65af\u5927\u5b66\u3001\u4e2d\u79d1\u5927\u8d75\u60e0\u519bAngew\uff1a\u9ad8\u5bfc\u7535\u6027\u548c\u9ad8\u632f\u5b9e\u5bc6\u5ea6\u7684\u86cb\u9ec4-\u58f3\u7ed3\u6784\u7845\u8d1f\u6781\u5728\u9502\u7535\u5168\u7535\u6c60\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"

\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n

\u7845\u7eb3\u7c73\u7c92\u5b50\uff08Si NPs\uff09\u5177\u6709\u9ad8\u4e8e 4000 mAh g-1<\/sup>\u7684\u6700\u9ad8\u7406\u8bba\u5bb9\u91cf\u3001\u4e30\u5bcc\u7684\u50a8\u5907\u548c\u73af\u4fdd\u6027\u8d28\u662f\u6700\u6709\u524d\u9014\u7684\u5546\u4e1a\u9502\u79bb\u5b50\u7535\u6c60\uff08LIBs\uff09\u8d1f\u6781\u6750\u6599\u3002\u7136\u800c\uff0cLIB\u7684Si\u8d1f\u6781\u7535\u5bfc\u7387\u4f4e\u548c\u5b8c\u5168\u9502\u5316\u65f6\u4f53\u79ef\u81a8\u80c0\u5927\u4e8e 400\uff05\uff0c\u5bfc\u81f4\u5176\u5faa\u73af\u6027\u80fd\u5dee\u3002\u86cb\u9ec4-\u58f3\u7845\/\u78b3\uff08Si\/C\uff09\u590d\u5408\u7ed3\u6784\u80fd\u591f\u6709\u6548\u5730\u9002\u5e94Si NPs\u7684\u4f53\u79ef\u53d8\u5316\u3001\u4fdd\u6301\u7ed3\u6784\u5b8c\u6574\u6027\u548c\u63d0\u9ad8\u5faa\u73af\u6027\u80fd\u3002\u5728\u653e\u7535\u5faa\u73af\u671f\u95f4\uff0cSi NP\u201c\u86cb\u9ec4\u201d\u88ab\u5c01\u88c5\u5728\u7a7a\u5fc3\u78b3\u7403\u201c\u58f3\u201d\u5185\uff0c\u78b3\u58f3\u63d0\u4f9b\u4f18\u5f02\u7684\u5bfc\u7535\u6027\u548c\u8db3\u591f\u7684\u7a7a\u9699\u7a7a\u95f4\u5bb9\u7eb3Si NP\u4f53\u79ef\u81a8\u80c0\uff0c\u8fdb\u800c\u6539\u5584\u5faa\u73af\u5bff\u547d\u3002\u7136\u800c\uff0c\u5f15\u5165\u7684\u7a7a\u9699\u7a7a\u95f4\u4f1a\u964d\u4f4e\u4f53\u79ef\u80fd\u91cf\u5bc6\u5ea6\uff0c\u8584\u7684C\u58f3\u7684\u521a\u6027\u4e0d\u591f\u9650\u5236\u58f3\u5185\u7684Si-yolk\u4f53\u79ef\u81a8\u80c0\uff0c\u5bfc\u81f4\u7ec4\u88c5\u7535\u6c60\u7684\u5927\u4f53\u79ef\u81a8\u80c0\u548c\u9ad8\u7684\u5b89\u5168\u98ce\u9669\u3002\u56e0\u6b64\uff0c\u6709\u6548\u7684\u86cb\u9ec4-\u58f3\u8bbe\u8ba1\u5e94\u6ee1\u8db3\u4ee5\u4e0b\u5173\u952e\u6807\u51c6\uff1a\uff08i\uff09Si-yolk\u548cC-shell\u4e4b\u95f4\u7684\u826f\u597d\u5bfc\u7535\u63a5\u89e6\uff1b\uff08ii\uff09\u63d0\u9ad8\u80fd\u91cf\u5bc6\u5ea6\uff0c\u540c\u65f6\u4fdd\u6301Si\/C\u86cb\u9ec4-\u58f3\u7ed3\u6784\u72ec\u7279\u7684\u4f53\u79ef\u53d8\u5316\u63a7\u5236\u529f\u80fd\uff1b\uff08iii\uff09\u575a\u786c\u7684\u5916\u58f3\uff0c\u4ee5\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d\u4fdd\u6301\u6574\u4e2a\u7535\u6781\u7684\u6052\u5b9a\u4f53\u79ef\u3002\u56e0\u6b64\uff0c\u672c\u6587\u5f00\u53d1\u65b0\u7684\u86cb\u9ec4-\u58f3\u7ed3\u6784Si\/C\u8d1f\u6781\uff08YS-Si\/C\uff09\u6765\u514b\u670d\u8fd9\u4e9b\u7f3a\u70b9\u3002<\/p>\n

\u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n

\u8fd1\u65e5\uff0c\u6fb3\u5927\u5229\u7684\u683c\u91cc\u83f2\u65af\u5927\u5b66\u3001\u4e2d\u56fd\u79d1\u5b66\u6280\u672f\u5927\u5b66<\/strong>\u7684\u8d75\u60e0\u519b\uff08\u901a\u8baf\uff09<\/strong>\u4f5c\u8005\u7b49\u4eba\uff0c\u9996\u6b21\u62a5\u9053\u4e86\u4e00\u79cd\u7531\u78b3\u6d82\u5c42\u521a\u6027SiO2<\/sub>\u5916\u58f3\u5236\u6210\u7684\u65b0\u578b\u86cb\u9ec4\u58f3\u7ed3\u6784\u9ad8\u632f\u5b9e\u5bc6\u5ea6\u590d\u5408\u6750\u6599\uff0c\u4ee5\u9650\u5236\u591a\u4e2aSi NP\uff08\u86cb\u9ec4\uff09\u548c\u5d4c\u5165Fe2<\/sub>O NPs\u7684CNT\u3002\u83b7\u5f97\u7684\u9ad8\u632f\u5b9e\u5bc6\u5ea6\u548c\u4f18\u5f02\u7684\u5bfc\u7535\u6027\u53ef\u5f52\u56e0\u4e8e\u591a\u4e2aSi\u86cb\u9ec4\uff0cFe2<\/sub>O3<\/sub> NP\u548cCNT Li+<\/sup>\u50a8\u5b58\u6750\u6599\u6709\u6548\u5229\u7528\u7684\u5185\u90e8\u7a7a\u9699\uff0c\u4ee5\u53ca\u5185\u90e8Si\u86cb\u9ec4\u548c\u5916\u58f3\u4e4b\u95f4\u901a\u8fc7\u5bfc\u7535CNT\u201c\u9ad8\u901f\u516c\u8def\u201d\u7684\u6865\u63a5\u7a7a\u95f4\u3002\u53ef\u5728450\u4e2a\u5faa\u73af\u540e\uff0c\u534a\u7535\u6c60\u5b9e\u73b03.6 mAh cm-2<\/sup>\u7684\u9ad8\u9762\u79ef\u5bb9\u91cf\u548c95\uff05\u7684\u53ef\u9006\u5bb9\u91cf\u4fdd\u6301\u7387\u3002\u5728300\u6b21\u5faa\u73af\u540e\uff0c\u5bcc\u542bLi\u7684Li2<\/sub>V2<\/sub>O5<\/sub>\u6b63\u6781\u7684\u5168\u7535\u6c60\u5b9e\u73b0260 mAh g-1<\/sup>\u7684\u9ad8\u53ef\u9006\u5bb9\u91cf\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>A unique yolk-shell structured silicon anode with superior conductivity and high tap density for full Li-ion batteries<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Angewandte Chemie-International Edition<\/strong>\u4e0a\u3002<\/p>\n

\u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n

\u56fe<\/strong> 1 YS-Si\/C<\/strong>\u7684\u7ed3\u6784\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09YS-Si\/C\u7eb3\u7c73\u73e0\u7684\u7ed3\u6784\u793a\u610f\u56fe\uff1b<\/p>\n

\uff08b\uff09YS-Si\/C\u7ed3\u6784\u7684\u793a\u610f\u56fe\u3002<\/p>\n

\u56fe<\/strong> 2 C\/SiO2<\/sub>-Si<\/strong>\u548c<\/strong>YS-Si\/C<\/strong>\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09C\/SiO2<\/sub>-Si\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

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\uff08c\uff0cd\uff09\u65b0YS-Si\/C\u7684SEM\u56fe\u50cf\uff1b<\/p>\n

\uff08e\uff0cf\uff09\u65b0YS-Si\/C\u7684TEM\u56fe\u50cf\uff1b<\/p>\n

\uff08g-i\uff09C\u3001Si\u548cFe\u7684Mapping\u56fe\u3002<\/p>\n

\u56fe<\/strong> 3 <\/strong>\u65b0<\/strong>YS-Si\/C<\/strong>\u7684\u7535\u6c60\u6027\u80fd\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u57280.2 mA g-1<\/sup>\u7535\u6d41\u4e0b\uff0c\u65b0YS-Si\/C\u7b2c\u4e00\u6b21\u548c\u7b2c\u4e8c\u6b21\u5faa\u73af\u7684\u5145\u7535\/\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08b\uff09\u57280.2 mA g-1<\/sup>\u7535\u6d41\u4e0b\uff0c\u65b0YS-Si\/C\u7684\u7b2c\u4e00\u3001\u4e8c\u548c\u5341\u5708\u7684CV\u66f2\u7ebf\uff1b\uff08c\uff09\u5145\u7535\/\u653e\u7535\u8fc7\u7a0b\u4e2d\uff0cSi\u548cFe2<\/sub>O3<\/sub>\u7684\u76f8\u4f4d\u53d8\u5316\uff1b<\/p>\n

\uff08d\uff09\u65b0\u548c\u73b0\u6709YS-Si\/C\u7684\u7535\u5316\u5b66\u963b\u6297\u56fe\uff1b<\/p>\n

\uff08e\uff09\u4e0d\u540c\u9762\u79ef\u8d1f\u8f7d\u91cf\u4e0b\uff0c\u65b0YS-Si\/C\u7684\u5faa\u73af\u6027\u80fd\uff1b<\/p>\n

\uff08g\uff09\u4e0d\u540c\u9762\u79ef\u8d1f\u8f7d\u91cf\uff0c\u73b0\u6709YS-Si\/C\u7684\u5faa\u73af\u6027\u80fd\u3002<\/p>\n

\u56fe<\/strong> 4 <\/strong>\u65b0<\/strong>YS-Si\/C\/\/LFP<\/strong>\u548c\u65b0<\/strong>YS-Si\/C\/\/THS-LVO<\/strong>\u5168\u7535\u6c60\u7684\u6027\u80fd<\/strong><\/p>\n

\"\"<\/p>\n

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\uff08b\uff09\u65b0YS-Si\/C\/\/LFP\u7684CV\u66f2\u7ebf\uff1b<\/p>\n

\uff08c\uff09\u65b0YS-Si\/C\/\/THS-LVO\u7684\u5145\u7535\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08c\uff09\u65b0YS-Si\/C\/\/THS-LVO\u7684CV\u66f2\u7ebf\uff1b<\/p>\n

\uff08e\uff09\u5168\u7535\u6c60\u7684\u5faa\u73af\u6027\u80fd\uff1b<\/p>\n

\uff08f\uff09\u5168\u7535\u6c60\u7684\u500d\u7387\u6027\u80fd\u3002<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

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\u6587\u732e\u94fe\u63a5\uff1a<\/strong>A unique yolk-shell structured silicon anode with superior conductivity and high tap density for full Li-ion batteries<\/strong><\/a>\uff08Angewandte Chemie-International Edition, 2019, DOI: 10.1002\/anie.201903709\uff09\u3002<\/p>\n

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