{"id":66097,"date":"2017-02-22T14:00:05","date_gmt":"2017-02-22T06:00:05","guid":{"rendered":"\/\/m.iemloyee.com\/?p=66097"},"modified":"2017-02-17T16:59:22","modified_gmt":"2017-02-17T08:59:22","slug":"adv-mater-%ef%bc%9a%e8%bf%87%e6%b8%a1%e9%87%91%e5%b1%9e%e7%a8%b3%e5%ae%9asno2%e8%b4%9f%e6%9e%81%e5%b9%b6%e8%a1%a8%e7%8e%b0%e5%87%ba%e9%ab%98%e9%a6%96%e6%ac%a1%e5%ba%93%e4%bc%a6%e6%95%88%e7%8e%87","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=66097","title":{"rendered":"Adv. Mater.\uff1a\u8fc7\u6e21\u91d1\u5c5e\u7a33\u5b9aSnO2\u8d1f\u6781\u5e76\u8868\u73b0\u51fa\u9ad8\u9996\u6b21\u5e93\u4f26\u6548\u7387\u548c\u7a33\u5b9a\u6027"},"content":{"rendered":"

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

SnO2<\/sub>\u5177\u6709\u5f88\u9ad8\u7684\u7406\u8bba\u6bd4\u5bb9\u91cf\uff081494 mAh\/g\uff0c10220 mAh\/cm3<\/sup>\uff09\u548c\u5408\u9002\u7684\u9502\u5316\u7535\u4f4d\uff081.0 V vs Li\/Li+<\/sup>\uff09\uff0c\u662f\u4e0b\u4e00\u4ee3\u9ad8\u80fd\u91cf\u9ad8\u529f\u7387\u9502\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599\u5019\u9009\u8005\u4e4b\u4e00\u3002\u963b\u788dSnO2<\/sub>\u8d1f\u6781\u6750\u6599\u53d1\u5c55\u7684\u4e3b\u8981\u96be\u9898\u6709\u4e24\u4e2a\uff0c\u5176\u4e00\u662f\u5faa\u73af\u8fc7\u7a0b\u4e2d\u5927\u4f53\u79ef\u81a8\u80c0\u5bfc\u81f4\u5bb9\u91cf\u5feb\u901f\u8870\u51cf\uff1b\u5176\u4e8c\u662f\u9996\u6b21\u5145\u653e\u7535\u7684\u5e93\u4f26\u6548\u7387\u4f4e\u3002\u7814\u7a76\u8005\u4eec\u81f4\u529b\u4e8e\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u901a\u8fc7\u6784\u5efa\u5404\u79cd\u78b3\u57fa\u7ed3\u6784\u4f18\u5316SnO2<\/sub>\u8d1f\u6781\uff0c\u5176\u5faa\u73af\u5bff\u547d\u5df2\u5f97\u5230\u63d0\u9ad8\uff0c\u4f46\u8fd9\u4e9b\u957f\u5bff\u547d\u7684SnO2<\/sub>\u57fa\u8d1f\u6781\u7684\u9996\u6b21\u5e93\u4f26\u6548\u7387\u4f9d\u65e7\u5f88\u4f4e\uff08<60%\uff09\u3002\u8fd9\u4e3b\u8981\u662fSnO2<\/sub>\u7684\u8f6c\u5316\u53cd\u5e94\u53ef\u9006\u6027\u5f88\u4f4e\u7684\u539f\u56e0\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u5374\u5f88\u5c11\u4eba\u7814\u7a76\u4e3a\u4ec0\u4e48SnO2<\/sub>\u8d1f\u6781\u7684\u8f6c\u5316\u53cd\u5e94\u53ef\u9006\u6027\u8fdc\u4f4e\u4e8e\u5176\u4ed6\u8fc7\u6e21\u91d1\u5c5e\u6c27\u5316\u7269\u5982Fe2<\/sub>O3<\/sub>\u3001CoO\u3002\u56e0\u6b64\uff0c\u63d0\u9ad8SnO2<\/sub>\u8f6c\u5316\u53cd\u5e94\u7684\u53ef\u9006\u6027\u5f88\u91cd\u8981\u3002<\/p>\n

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

\u6700\u8fd1\uff0c\u534e\u5357\u7406\u5de5\u5927\u5b66\u6731\u654f\u6559\u6388\uff08\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u5728Advanced Materials<\/strong>\u53d1\u8868\u9898\u4e3a\u201cStabilizing the Nanostructure of SnO2<\/sub> Anodes by Transition Metals: A Route to Achieve High Initial Coulombic Efficiency and Stable Capacities for Lithium Storage<\/strong>\u201d\u7684\u6587\u7ae0\uff0c\u62a5\u9053\u4e86\u5177\u6709\u5f88\u9ad8\u7684\u9996\u6b21\u5e93\u4f26\u6548\u7387\u7684SnO2<\/sub>\u57fa\u8d1f\u6781\u6750\u6599\u3002\u7814\u7a76\u8005\u5c06SnO2<\/sub>\u3001\u8fc7\u6e21\u91d1\u5c5eM\uff08M=Fe\uff0cMn\uff0cCo\uff09\u548c\u77f3\u58a8\u4e09\u8005\u8fdb\u884c\u7403\u78e8\uff0c\u4ece\u800c\u83b7\u5f97\u9ad8\u6027\u80fd\u7684\u9502\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599\u3002\u5728\u8be5\u4e09\u5143\u6750\u6599\u4e2d\uff0cSnO2<\/sub>-M\u56e2\u7c07\u7ed3\u5408\u5728\u5bfc\u7535\u7684\u77f3\u58a8\u7eb3\u7c73\u7247\u4e0a\uff0c\u8fd9\u79cd\u7ed3\u6784\u6709\u6548\u5bb9\u7eb3\u5faa\u73af\u8fc7\u7a0b\u4e2dSnO2<\/sub>\u7684\u4f53\u79ef\u53d8\u5316\uff0c\u5e76\u4e14\u63d0\u9ad8SnO2<\/sub>-M\u548cSnO2<\/sub>\/\u77f3\u58a8\u754c\u9762\u7684\u53cd\u5e94\u52a8\u529b\u5b66\u3002\u5176\u4e2d\u8fc7\u6e21\u91d1\u5c5eM\u6709\u6548\u6291\u5236Sn\u7684\u6269\u6563\u8fc1\u79fb\uff0c\u9632\u6b62\u7c97\u5316\uff1b\u800c\u4e14\u80fd\u591f\u50ac\u5316\u5206\u89e3Li2<\/sub>O\u3002\u56e0\u6b64\uff0cSnO2<\/sub>-M-\u77f3\u58a8\uff08SnO2<\/sub>-M-G\uff09\u590d\u5408\u6750\u6599\u8868\u73b0\u51fa\u4f18\u8d8a\u7684\u7535\u5316\u5b66\u6027\u80fd\uff0c\u5177\u6709\u5f88\u9ad8\u7684\u9996\u6b21\u5e93\u4f26\u6548\u7387\u3001\u957f\u5faa\u73af\u5bff\u547d\u548c\u7a33\u5b9a\u7684\u53ef\u9006\u6027\u3002<\/p>\n

\u56fe\u6587\u5bfc\u8bfb\uff1a<\/strong><\/span><\/p>\n

\u56fe<\/strong>1<\/strong>\uff1a<\/strong>SnO2<\/sub>-M-G<\/strong>\u590d\u5408\u6750\u6599\u7684<\/strong>\u5408\u6210\u53ca\u8868\u5f81<\/strong><\/p>\n

<\/p>\n

(a) SnO2<\/sub>-M-G\u590d\u5408\u6750\u6599\u7684\u5408\u6210\u6d41\u7a0b\u793a\u610f\u56fe\u3002<\/p>\n

(b-d) SnO2<\/sub>-M-G\u7c89\u672b\u7684SEM\u56fe\uff0c\u7bad\u5934\u6807\u793a\u4e3a\u7403\u78e8\u540e\u5265\u79bb\u51fa\u7684\u7eb3\u7c73\u7247\u77f3\u58a8\u3002<\/p>\n

(e) SnO2<\/sub>-M-G\u590d\u5408\u6750\u6599\u7684XRD\uff08\u4e0a\uff09\u548c\u62c9\u66fc\uff08\u4e0b\uff09\u56fe\u8c31\u3002<\/p>\n

(f) SnO2<\/sub>-M-G\u590d\u5408\u6750\u6599\u7684Sn 3d\u548cFe 2p\u7684XPS\u56fe\u8c31\u3002<\/p>\n

\u56fe<\/strong>2<\/strong>\uff1a<\/strong>SnO2<\/sub>-M-G<\/strong>\u590d\u5408\u6750\u6599\u7684<\/strong>TEM<\/strong>\u56fe<\/strong><\/p>\n

<\/p>\n

(a) \u4f4e\u500d\u7387TEM\u663e\u793aSnO2<\/sub>-Fe\u9897\u7c92\uff08\u6697\u533a\u57df\uff09\u951a\u5b9a\u5728\u77f3\u58a8\uff08\u4eae\u533a\u57df\uff09\u57fa\u5e95\u4e0a\u3002<\/p>\n

(b) \u56fea\u7ea2\u8272\u77e9\u5f62\u533a\u57df\u7684\u653e\u5927\u56fe\u3002<\/p>\n

(c) \u9ad8\u5206\u8fa8TEM\u56fe\u663e\u793a\u7403\u78e8\u540e\u5265\u79bb\u51fa\u6765\u8d85\u8584\u7684\u77f3\u58a8\u3002<\/p>\n

(d) \u56fea\u7ea2\u8272\u5706\u5f62\u533a\u57df\u7684\u5927\u500d\u7387\u4eae\u573a\u56fe\u3002<\/p>\n

(e) SAED\u56fe\u8c31\u3002<\/p>\n

(f) \u56fee\u7ea2\u5708\u4e2dSnO2<\/sub>\u7684(101)\u884d\u5c04\u6591\u7684\u6697\u573a\u56fe\u3002<\/p>\n

(g-h) \u5206\u522b\u662fFe\u548cSnO2<\/sub>\u9897\u7c92\u7684\u9ad8\u5206\u8fa8\u56fe\u50cf\u3002<\/p>\n

\u56fe<\/strong>3<\/strong>\uff1a<\/strong>SnO2<\/sub>-M-G<\/strong>\u590d\u5408\u6750\u6599\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

<\/p>\n

(a) \u57280.01-3.0 V\u51850.2 A\/g\u4e0bSnO2<\/sub>-M-G\u534a\u7535\u6c60\uff08\u56feb\u7684#3\u7535\u6c60\uff09\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

(b) SnO2<\/sub>-M-G\u7684\u4e03\u4e2a\u534a\u7535\u6c60\u7684\u9996\u6b21\u5e93\u4f26\u6548\u7387\u6c47\u603b\uff0c\u5e76\u548cSnO2<\/sub>\u3001\u7403\u78e820 h\u7684SnO2<\/sub>\u6837\u54c1\u4f5c\u5bf9\u6bd4\u3002<\/p>\n

(c) \u5176\u4ed6SnO2<\/sub>-M-G\u7535\u6c60\u7684CV\u66f2\u7ebf\uff0c\u5e76\u5bf9\u6bd4\u7eafSn\u8d1f\u6781\u3002<\/p>\n

(d-e) \u5bf9\u6bd4SnO2<\/sub>-M-G\uff08M=Fe\u3001Co\u3001Mn\uff09\u3001SnO2<\/sub>\u3001\u7403\u78e820 h\u7684SnO2<\/sub>\u6837\u54c1\u5728\u7b2c\u4e00\u6b21\u5faa\u73af\u7684\u5145\u653e\u7535\u66f2\u7ebf\u548cdQ\/dV\u5fae\u5206\u66f2\u7ebf\u3002<\/p>\n

(f) \u5bf9\u6bd4SnO2<\/sub>-M-G\uff08M=Fe\u3001Co\u3001Mn\uff09\u7535\u6781\u548c\u5176\u4ed6\u6587\u732e\u62a5\u9053\u7684SnO2<\/sub>\u3001SnO2<\/sub>-C\u590d\u5408\u6750\u6599\u7684\u9996\u6b21\u5e93\u4f26\u6548\u7387\u3002<\/p>\n

\u56fe<\/strong>4<\/strong>\uff1a<\/strong>SnO2<\/sub>-M-G\/\/LiMn2<\/sub>O4<\/sub><\/strong>\u5168\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n

<\/p>\n

(a) SnO2<\/sub>-Fe-G\u3001SnO2<\/sub>-Mn-G\u548c\u7403\u78e820 h\u7684SnO2<\/sub>\u7684\u957f\u5faa\u73af\u5bff\u547d\u5bf9\u6bd4\u3002<\/p>\n

(b) SnO2<\/sub>-Fe-G\/\/LiMn2<\/sub>O4<\/sub>\u8f6f\u5305\u7535\u6c60\u7684\u7167\u7247\u3002<\/p>\n

(c) SnO2<\/sub>-Fe-G\/\/LiMn2<\/sub>O4<\/sub>\u5168\u7535\u6c60\u57280.5-3.8 V\u5185\u7684\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

(d) SnO2<\/sub>-Fe-G\/\/LiMn2<\/sub>O4<\/sub>\u5168\u7535\u6c60\u5728\u4e0d\u540c\u7535\u4f4d\u7a97\u53e3\u51850.2 A\/g\uff08\u57fa\u4e8e\u8d1f\u6781\uff09\u4e0b\u7684\u653e\u7535\u5bb9\u91cf\u5faa\u73af\u5bff\u547d\u3002<\/p>\n

(e) \u5bf9\u6bd4SnO2<\/sub>-Fe-G\/\/LiMn2<\/sub>O4<\/sub>\u5168\u7535\u6c60\u548c\u5176\u4ed6\u6587\u732e\u62a5\u9053\u7684\u8f6c\u5316\u578b\u8d1f\u6781\u6784\u5efa\u7684\u5168\u7535\u6c60\u7684\u5bb9\u91cf\u4fdd\u6301\u7387\u3002<\/p>\n

\u56fe<\/strong>5<\/strong>\uff1a<\/strong>SnO2<\/sub>-Fe-G<\/strong>\u7535\u6781\u7684\u53ef\u9006\u6027<\/strong><\/p>\n

<\/p>\n

(a) SnO2<\/sub>-Fe-G\u7535\u6781\u5728\u7b2c1\u30012\u300110\u300150\u3001100\u3001200\u3001300\u3001400\u6b21\u5faa\u73af\u7684dQ\/dV\u5fae\u5206\u66f2\u7ebf\u3002<\/p>\n

(b) \u5206\u79bb\u5e76\u8ba1\u7b97SnO2<\/sub>-Fe-G\u7535\u6781\u57280.01-1.0\u30011.0-2.0\u30012.0-3.0 V\u8303\u56f4\u5185\u53ef\u9006\u5bb9\u91cf\uff08\u6765\u81ea\u56fea\uff09\u968f\u5faa\u73af\u6b21\u6570\u7684\u53d8\u5316\u3002<\/p>\n

(c) SnO2<\/sub>-Fe-G\u7535\u6781\u7b2c\u4e00\u6b21\u5faa\u73af\u4e2d\u4e94\u6b21\u4e0d\u540c\u72b6\u6001\u4e0b\u7684\u975e\u539f\u4f4dXRD\u56fe\u3002<\/p>\n

(d) SnO2<\/sub>-Fe-G\u7535\u6781\u5728\u7b2c1\u300110\u300150\u3001100\u6b21\u5faa\u73af\u4e2d\u5145\u7535\u81f33.0 V\u72b6\u6001\u4e0b\u7684XRD\u56fe\u3002<\/p>\n

\u56fe<\/strong>6<\/strong>\uff1a<\/strong>SnO2<\/sub>-M-G<\/strong>\u7535\u6781\u7684\u53ef\u9006\u6027\u5206\u6790\u53ca\u793a\u610f\u56fe<\/strong><\/p>\n

<\/p>\n

(a) SnO2<\/sub>-M-G\u590d\u5408\u6750\u6599\u9ad8\u53ef\u9006\u6027\u53cd\u5e94\u7684\u793a\u610f\u56fe\u3002\u7eb3\u7c73Sn\u76f8\u5728\u70ed\u81f4\u91cd\u7ed3\u6676\u548c\u53cd\u590d\u7684\u7535\u5316\u5b66\u5e94\u529b\u9a71\u52a8\u529b\u4f5c\u7528\u4e0b\uff0c\u8d8b\u5411\u4e8e\u7c97\u5316\u957f\u5927\u3002Fe\u7eb3\u7c73\u9897\u7c92\u53ef\u4ee5\u5145\u5f53\u5c4f\u969c\u963b\u6b62Sn\u7684\u7c97\u5316\u3002<\/p>\n

(b) SnO2<\/sub>\u8584\u819c\u7535\u6781\u5728\u4e0d\u540c\u5145\u653e\u7535\u72b6\u6001\u4e0b\uff08\u7eaf\u76f8\u3001\u9996\u6b21\u653e\u7535\u81f30.01 V\u3001\u9996\u6b21\u5145\u7535\u81f33.0 V\uff09Sn 3d\u7684XPS\u5149\u8c31\u3002<\/p>\n

(c) SnO2<\/sub>-M-G\u7535\u6781\u5faa\u73af100\u6b21\u540e\u7684TEM\u56fe\u3002<\/p>\n

(d-e) \u5143\u7d20\u6620\u5c04\u56fe\u548cHRTEM\u56fe\u663e\u793aSnO2<\/sub>\u548cFe\u7eb3\u7c73\u6676\u7c92\u7684\u5206\u5e03\u3002<\/p>\n

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

\u6731\u654f\u6559\u6388\u8bfe\u9898\u7ec4\u901a\u8fc7\u7b80\u5355\u7684\u4e24\u6b65\u7403\u78e8\u6cd5\u83b7\u5f97SnO2<\/sub>-M-G\uff08M=Fe\u3001Mn\u3001Co\uff09\u4e09\u5143\u590d\u5408\u6750\u6599\uff0c\u5177\u6709\u8d85\u9ad8\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9006\u6027\uff0c\u9996\u6b21\u5e93\u4f26\u6548\u7387\u9ad8\u8fbe88.6%\uff1b\u5e76\u4e0eLiMn2<\/sub>O4<\/sub>\u6b63\u6781\u7ec4\u88c5\u6210\u5168\u7535\u6c60\u4e5f\u6709\u4e0d\u4fd7\u7684\u8868\u73b0\uff0c100\u6b21\u5faa\u73af\u540e\u5bb9\u91cf\u4fdd\u6301\u738785.1%\u3002\u8fd9\u9879\u5de5\u4f5c\u4e0d\u4ec5\u5c55\u793a\u4e86SnO2<\/sub>-M-G\u590d\u5408\u6750\u6599\u7684\u5e94\u7528\u524d\u666f\uff0c\u800c\u4e14\u4e3a\u5176\u4ed6\u8f6c\u5316\u578b\u8d1f\u6781\u6750\u6599\u53ef\u9006\u6027\u95ee\u9898\u7684\u89e3\u51b3\u63d0\u4f9b\u53c2\u8003\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Stabilizing the Nanostructure of SnO2 Anodes by Transition<\/a>\u00a0Metals: A Route to Achieve High Initial Coulombic Efficiency and Stable Capacities for Lithium Storage<\/a> (Adv. Mater., 2017, DOI: 10.1002\/adma.201605006)<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4 \u849c\u5934 \u4f9b\u7a3f\uff0c\u6750\u6599\u725b\u7f16\u8f91\u6574\u7406\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

\u4eea\u5668\u8bbe\u5907\u3001\u8bd5\u5242\u8017\u6750\u3001\u6750\u6599\u6d4b\u8bd5\u3001\u6570\u636e\u5206\u6790\uff0c\u627e<\/strong>\u6750\u6599\u4eba<\/strong><\/a>\u3001\u4e0a<\/strong>\u6d4b\u8bd5\u8c37<\/strong><\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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