{"id":81398,"date":"2017-05-19T06:30:06","date_gmt":"2017-05-18T22:30:06","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=81398"},"modified":"2017-05-16T21:21:02","modified_gmt":"2017-05-16T13:21:02","slug":"%e5%a4%8d%e6%97%a6%e5%a4%a7%e5%ad%a6energy-environ-sci-%ef%bc%9a%e4%bd%8e%e7%94%b5%e5%8e%8b%e9%ab%98%e5%ae%b9%e9%87%8f%e9%94%82%e7%a6%bb%e5%ad%90%e7%94%b5%e6%b1%a0%e8%b4%9f%e6%9e%81%e6%9d%90%e6%96%99","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=81398","title":{"rendered":"\u590d\u65e6\u5927\u5b66Energy Environ. Sci.\uff1a\u4f4e\u7535\u538b\u9ad8\u5bb9\u91cf\u9502\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599Li2TiSiO5"},"content":{"rendered":"

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

\u8fc4\u4eca\u4e3a\u6b62\uff0c\u78b3\u6750\u6599\u4e3b\u5bfc\u7740\u9502\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6750\u6599\uff0c\u4f46\u662f\u7531\u4e8e\u5176\u5177\u6709\u4f4e\u7684\u5d4c\u9502\u7535\u4f4d\u5bb9\u6613\u5728\u5927\u7535\u6d41\u5bc6\u5ea6\u4e0b\u5f62\u6210\u9502\u679d\u6676\u800c\u5f15\u8d77\u5b89\u5168\u6027\u95ee\u9898\u3002\u6b64\u5916\u6709\u201c\u96f6\u5e94\u53d8\u201d\u6750\u6599\u4e4b\u79f0\u7684\u5c16\u6676\u77f3\u7ed3\u6784\u949b\u9178\u9502\uff0c\u5d4c\u9502\u7535\u4f4d\u7ea61.5V\uff0c\u5728\u907f\u514d\u5f62\u6210\u9502\u679d\u6676\u7684\u540c\u65f6\u8868\u73b0\u51fa\u4f18\u5f02\u5faa\u73af\u6027\u80fd\u3002\u7136\u800c\u949b\u9178\u9502\u7684\u9ad8\u5de5\u4f5c\u7535\u538b\u548c\u4f4e\u5bb9\u91cf\u5bfc\u81f4\u4e86\u5176\u4f4e\u7684\u80fd\u91cf\u5bc6\u5ea6\u3002\u540c\u6837\u7684\u95ee\u9898\u4e5f\u5b58\u5728\u4e8e\u5176\u4ed6\u5df2\u62a5\u9053\u7684Ti-based\u6750\u6599\u4e2d\uff0c\u6240\u4ee5\u7814\u7a76\u51fa\u4e00\u79cd\u5177\u6709\u76f8\u5bf9\u9ad8\u5bb9\u91cf\uff0c\u4e14\u7535\u4f4d\u4f4e\u4e8e1V\u53c8\u4e0d\u63a5\u8fd1\u9502\u679d\u6676\u5f62\u6210\u7535\u4f4d\u7684\u8d1f\u6781\u6750\u6599\u6781\u4e3a\u91cd\u8981\u3002<\/p>\n

\u901a\u5e38\uff0c\u5df2\u62a5\u5230\u7684Ti-based\u6750\u6599\u5728\u50a8\u9502\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4ef7\u6001\u53d8\u5316\u4e00\u822c\u4e3aTi4+<\/sup>\u5230Ti3+<\/sup>\uff0c\u8fd9\u5bfc\u81f4\u5d4c\u9502\u8fc7\u7a0b\u4e2d\u7684\u9ad8\u7535\u4f4d\uff0c\u672c\u6587\u7684\u7814\u7a76\u4eba\u5458\u63d0\u51fa\u901a\u8fc7\u5f15\u5165\u53cc\u7535\u5b50Ti4+<\/sup>\/Ti2+<\/sup>\u7684\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u6765\u63d0\u5347\u5bb9\u91cf\u548c\u964d\u4f4e\u5e73\u5747\u6c27\u5316\u8fd8\u539f\u7535\u4f4d\u3002\u540c\u65f6\u8fd0\u7528\u805a\u9634\u79bb\u5b50\u6765\u7a33\u5b9a\u7ed3\u6784\uff0c\u4fdd\u8bc1\u6750\u6599\u7684\u53ef\u9006\u6027\u4ee5\u53ca\u5faa\u73af\u6027\u80fd\u3002<\/p>\n

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

\u8fd1\u65e5\uff0c\u590d\u65e6\u5927\u5b66\u5316\u5b66\u7cfb\u590f\u6c38\u59da\u6559\u6388\u3001\u6768\u4e2d\u82b9\u526f\u6559\u6388\u4ee5\u53ca\u6fb3\u5927\u5229\u4e9a\u5367\u9f99\u5c97\u5927\u5b66\u7684\u90ed\u518d\u840d\u6559\u6388\u5728Energy Environ. Sci.\u4e0a\u53d1\u6587\uff0c\u9898\u4e3a\u201cLi2<\/sub>TiSiO5<\/sub>: a low potential and large capacity Ti-based anode material for Li-ion batteries\u201d<\/em>\uff0c\u7814\u7a76\u4eba\u5458\u8fd0\u7528\u6eb6\u80f6\u51dd\u80f6\u6cd5\u5236\u5907\u4e86Li2<\/sub>TiSiO5<\/sub>\uff0c\u5176\u5bb9\u91cf\u9ad8\u8fbe308mAh g-1<\/sup>\uff0c\u5de5\u4f5c\u7535\u4f4d\u4e3a0.28V\uff08vs Li+<\/sup>\/Li\uff09\uff0c\u5e76\u5177\u6709\u4f18\u5f02\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u5e76\u57fa\u4e8e\u539f\u4f4d\u540c\u6b65\u52a0\u901fX\u5c04\u7ebf\u884d\u5c04\uff0c\u4e2d\u5b50\u7c89\u672b\u884d\u5c04\u4e0e\u5085\u91cc\u53f6\u5bc6\u5ea6\u6620\u5c04\uff0c\u975e\u539f\u4f4dX\u5c04\u7ebf\u5438\u6536\u8fd1\u8fb9\u7f18\u7ed3\u6784\u5206\u6790\uff0c\u975e\u539f\u4f4d\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u548c\u4f7f\u7528\u6295\u5f71\u673a\u589e\u5f3a\u6ce2\u5f62\u5f0f\u7684\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\u8ba1\u7b97\u5206\u6790\u8be5\u6750\u6599\u7684\u9502\u50a8\u5b58\u673a\u7406\uff0c\u6d89\u53caTiO\u548cLi4<\/sub>SiO4<\/sub>\u4e4b\u95f4\u7684\u53cc\u7535\u5b50\uff08Ti4+<\/sup>\/Ti2+<\/sup>\u6c27\u5316\u8fd8\u539f\uff09\u8f6c\u5316\u53cd\u5e94\u3002<\/p>\n

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

\u56fe\u4e00\uff1aRietveld\u7cbe\u4fee\u66f2\u7ebf<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u4f7f\u7528\u5728\u4e24\u4e2a\u6ce2\u957f\uff08a\uff09\u548c\uff08b\uff09\u4ee5\u53ca\uff08c\uff09XRPD\u6570\u636e\u6536\u96c6\u7684\u9ad8\u5206\u8fa8\u7387NPD\u6570\u636e\u7684Rietveld\u7cbe\u4fee\u66f2\u7ebf\u3002\u5782\u7ebf\u662f\u53cd\u5c04\u7684\u4f4d\u7f6e\uff0c\u8fd8\u5305\u62ec\u52a0\u6743\u66f2\u7ebfR\u56e0\u5b50\uff08Rwp\uff09\u3002<\/p>\n

\u56fe\u4e8c\uff1aLi2<\/sub>TiSiO5<\/sub>\u7684\u7cbe\u7ec6\u6676\u4f53\u7ed3\u6784<\/strong><\/span><\/p>\n

\"\"<\/p>\n

Li2<\/sub>TiSiO5<\/sub>\uff08a\uff09\u7684\u7cbe\u7ec6\u6676\u4f53\u7ed3\u6784; \uff08b\uff09\u53bb\u96644d\u4f4d\u7f6e\u5904\u7684Li\u539f\u5b50\u7684\u7cbe\u7ec6\u7ed3\u6784\u8986\u76d6\u7684\u6838\u5bc6\u5ea6\u5dee\uff08\u5085\u7acb\u53f6\uff09\u56fe\uff08\u9ec4\u8272\uff09\uff0c\u7b49\u503c\u9762\u7684\u6c34\u5e73\u4e3a-0.0719017 fm\u00c5-1<\/sup> \u548c\uff08c\uff09\u57284e\u4f4d\u70b9\u5904\u663e\u793a\u7684\u5177\u6709\u53e6\u5916\u7684Li\u539f\u5b50\uff08\u9ec4\u8272\u7403\uff09\u7684Li2<\/sub>TiSiO5<\/sub>\u7684\u6676\u4f53\u7ed3\u6784\u3002<\/p>\n

\u56fe\u4e09\uff1aLi2<\/sub>TiSiO5<\/sub>\u7684\u5fae\u89c2\u56fe\u50cf<\/strong><\/span><\/p>\n

\"\"<\/p>\n

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\uff08b\uff09Li2<\/sub>TiSiO5<\/sub>\u7684TEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684SAED\u56fe\u6848\uff08\u63d2\u56fe\uff09<\/p>\n

\uff08c\uff09\u548cLi2<\/sub>TiSiO5<\/sub>\u7684\u9ad8\u5206\u8fa8\u7387TEM\uff08HRTEM\uff09\u56fe\u50cf\u53ca\uff08d\uff09\u5176\u76f8\u5e94\u7684\u5085\u7acb\u53f6\u53d8\u6362\u56fe\u6848\u3002<\/p>\n

\u56fe\u56db\uff1a\u7535\u538b-\u5bb9\u91cf\u56fe<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a0.02Ag -1<\/sup>\u65f6\uff0c\u57280V\uff08a\uff09\uff0c0.1V\uff08b\uff09\u548c0.2V\uff08c\uff09\u7684\u622a\u6b62\u7535\u4f4d\u4e0b\u7684\u524d\u4e24\u4e2a\u5468\u671f\u7684\u7535\u538b-\u5bb9\u91cf\u56fe\u3002<\/p>\n

\u56fe\u4e94\uff1a\u653e\u7535\u5bb9\u91cf-\u5faa\u73af\u56fe<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u7535\u6d41\u5bc6\u5ea6\u4e3a0.5A g -1<\/sup>\u65f6\u7684\u653e\u7535\u5bb9\u91cf-\u5faa\u73af\u56fe\uff0c\u4ee5\u53ca\uff08b\uff09\u622a\u6b62\u7535\u4f4d0.1V\u65f6\u5404\u79cd\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u653e\u7535\u5bb9\u91cf\u3002<\/p>\n

\u56fe\u516d\uff1aTEM\u56fe\u50cf\u53ca\u76f8\u5e94SAED\u56fe\u6848<\/strong><\/span><\/p>\n

\"\"<\/p>\n

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\u56fe\u4e03\uff1a\u540c\u6b65\u52a0\u901fX\u5c04\u7ebf\u7c89\u672b\u884d\u5c04\u56fe<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u5bf9\u4e8e\u9009\u5b9a\u76842\u03b8\u8303\u56f4\u663e\u793a\u7684\u53e0\u52a0\u7535\u538b\u66f2\u7ebf\u7684\u64cd\u4f5c\u540c\u6b65\u52a0\u901fX\u5c04\u7ebf\u7c89\u672b\u884d\u5c04\u56fe\u3002<\/p>\n

\u56fe\u516b\uff1a\u653e\u7535\/\u5145\u7535\u66f2\u7ebf<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u5728\u622a\u6b62\u7535\u4f4d\u4e3a0.1 V\uff0c\u7535\u6d41\u5bc6\u5ea6\u4e3a0.2 A g-1<\/sup>\u4e0b\uff0c\u4e0d\u540c\u6b21\u5e8f\u7684Li2<\/sub>TiSiO5<\/sub>\u7535\u6781\u5faa\u73af\u7684\u653e\u7535\/\u5145\u7535\u66f2\u7ebf\u3002<\/p>\n

\u56fe\u4e5d\uff1a\u975e\u539f\u4f4d XRD \u6d4b\u8bd5<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u4ece\u653e\u7535\u81f3\u4e0d\u540c\u7535\u538b\uff08\u5de6\uff09\u7684\u7ebd\u6263\u7535\u6c60\u63d0\u53d6\u7684\u7535\u6781\u7684\u975e\u539f\u4f4dXRPD\u56fe\u6848\uff0c\u6bcf\u4e2aXRPD\u56fe\u6848\u5bf9\u5e94\u4e8e\u53f3\u4fa7\u5217\u4e2d\u5145\u7535\/\u653e\u7535\u66f2\u7ebf\u4e2d\u6807\u8bb0\u7684\u7535\u8377\u72b6\u6001\u3002\u6765\u81ea\u96c6\u6d41\u4f53\uff08\u94dc\u7b94\uff09\u548c\u94dd\u7b94\u7684\u5cf0\u5206\u522b\u7531\u6df1\u84dd\u8272\u5706\u5708\u548c\u7eff\u8272\u4e09\u89d2\u5f62\u6807\u8bb0\u3002\u5206\u522b\u4e3a\u7531\u5929\u84dd\u8272\u5706\u5708\u548c\u6a59\u8272\u4e09\u89d2\u5f62\u6807\u8bb0\u7684\u653e\u7535\u4ea7\u7269Li4<\/sub>SiO4<\/sub>\u548cTiO\u7684\u5cf0\u3002<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/span><\/p>\n

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\u00a0<\/strong>\u6587\u732e\u94fe\u63a5\uff1a<\/strong>Li2TiSiO5: a low potential and large capacity Ti-based anode material for Li-ion batteries<\/a>\uff08Energy Environ. Sci., 2017\uff0cDOI: 10.1039\/c7ee00763a\uff09<\/p>\n

\u672c\u6587\u7531\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4 \u80cc\u9006\u65f6\u5149 \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<\/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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