{"id":209759,"date":"2020-09-22T06:30:26","date_gmt":"2020-09-21T22:30:26","guid":{"rendered":"\/\/m.iemloyee.com\/?p=209759"},"modified":"2020-09-21T21:21:47","modified_gmt":"2020-09-21T13:21:47","slug":"%e3%80%90%e6%8a%95%e7%a8%bf%e3%80%91%e6%b1%9f%e8%a5%bf%e5%b8%88%e8%8c%83%e5%a4%a7%e5%ad%a6%e6%9b%be%e5%87%a1%e7%84%b1%e3%80%81%e8%a2%81%e5%bd%a9%e9%9b%b7%e7%a0%94%e7%a9%b6%e5%9b%a2%e9%98%9fsmall","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=209759","title":{"rendered":"\u6c5f\u897f\u5e08\u8303\u5927\u5b66\u66fe\u51e1\u7131\u3001\u8881\u5f69\u96f7\u7814\u7a76\u56e2\u961fSmall\uff1a\u53ef\u8c03\u7684\u8868\u9762\u7852\u5316\u83b7\u663e\u8457\u63d0\u9ad8\u7684\u94a0\u79bb\u5b50\u7535\u6c60\u5b58\u50a8\u6027\u80fd"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/b><\/strong><\/p>\n 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nm\uff09\u3002\u7136\u800c\uff0cMoO2<\/sub>\u548cMoSe2<\/sub>\u4f4e\u7684\u7535\u5bfc\u7387\u6613\u5bfc\u81f4\u8f83\u5927\u7684\u963b\u6297\u548c\u8f83\u5dee\u7684\u500d\u7387\u6027\u80fd\uff0c\u5728\u50a8\u94a0\u8fc7\u7a0b\u4e2d\u6613\u5f15\u8d77\u5de8\u5927\u4f53\u79ef\u81a8\u80c0\uff0c\u5bfc\u81f4\u7ed3\u6784\u7684\u574d\u584c\u548c\u7c89\u788e\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u4eba\u4eec\u91c7\u7528\u4e86\u8bb8\u591a\u7b56\u7565\uff0c\u5982\u8bbe\u8ba1\u5fae\u7eb3\u7c73\u7ed3\u6784\u4ee5\u6539\u5584\u7535\u6781\u53cd\u5e94\u7684\u63a5\u89e6\u9762\u79ef\u3001\u4e0e\u78b3\u6750\u6599\u590d\u5408\u4ee5\u4fc3\u8fdb\u7535\u8377\u8f6c\u79fb\u548c\u52a0\u5f3a\u7ed3\u6784\u7a33\u5b9a\u6027\u7b49\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u5f88\u96be\u4f7fMoO2<\/sub>\u57fa\u7535\u6781\u6750\u6599\u83b7\u5f97\u9ad8\u7684\u53ef\u9006\u5bb9\u91cf(\u63a5\u8fd1830.0 mA h g-1<\/sup>\u7684\u7406\u8bba\u5bb9\u91cf)\u548c\u4f7fMoSe2<\/sub>\u7eb3\u7c73\u7247\u62e5\u6709\u8d85\u957f\u7684\u5faa\u73af\u7a33\u5b9a\u6027(\u6570\u5343\u5faa\u73af\u4e14\u5177\u6709\u9ad8\u7684\u5bb9\u91cf\u4fdd\u7559\u7387)\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/b><\/strong><\/p>\n \u8fd1\u65e5\uff0c\u6c5f\u897f\u5e08\u8303\u5927\u5b66\u66fe\u51e1\u7131\u3001\u8881\u5f69\u96f7\u7814\u7a76\u56e2\u961f\uff0c<\/b><\/strong>\u62a5\u9053\u4e86\u4e00\u79cd\u9ad8\u6676\u76f8\u57fa\u5e95\u8868\u9762\u53ef\u8c03\u7684\u8868\u9762\u7852\u5316\u7b56\u7565\u3002\u4e3b\u8981\u662f\u5229\u7528\u9ad8\u6676\u76f8\u7684\u539f\u4f4d\u590d\u5408\u57fa\u5e95\uff08b-NC\/g-MoO2<\/sub>\uff09\uff0c\u5728\u5176\u8868\u9762\u6c34\u70ed\u7852\u5316\u751f\u957f\u51fa\u8d85\u8584\u7684MoSe2<\/sub>\u7eb3\u7c73\u7247\u3002\u8be5\u57fa\u5e95\u5177\u6709\u7a33\u5b9a\u7684\u7269\u76f8\u7ed3\u6784\uff0c\u5728\u7eb3\u7c73\u7247\u7684\u751f\u957f\u8fc7\u7a0b\u4e2d\uff0c\u80fd\u57fa\u672c\u7ef4\u6301\u5176\u539f\u6709\u7684\u4e3b\u4f53\u7ed3\u6784\uff0c\u5b9e\u73b0\u53ef\u8c03\u53ef\u63a7\u7684\u90e8\u5206\u7852\u5316\uff08MoO2<\/sub>\u2192MoSe2<\/sub>\uff09\uff0c\u521b\u5efa\u5177\u6709\u5206\u7ea7\u5f02\u8d28\u7ed3\u6784\u7684\u590d\u5408\u6750\u6599\uff08b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>\uff09\u3002\u8be5\u6750\u6599\u7684\u5f02\u8d28\u7ed3\u6784\u80fd\u4ea7\u751f\u81ea\u5efa\u7535\u573a\uff0c\u7ec4\u5206\u95f4\u53ef\u5f62\u6210\u5f3a\u7684\u5316\u5b66\u8026\u5408\u952e\uff08Mo-C\u548cMo-N\uff09\uff0c\u8fd9\u4e9b\u6709\u52a9\u4e8e\u63d0\u9ad8\u7535\u8377\u8f6c\u79fb\u901f\u7387\uff0c\u8c03\u63a7\u94a0\u79bb\u5b50\u7684\u4f20\u8f93\u8def\u5f84\uff0c\u52a0\u5f3a\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u589e\u52a0\u989d\u5916\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u4e0e\u539f\u4f4d\u5f62\u6210\u7684\u6c2e\u63ba\u6742\u78b3\u6750\u6599\u534f\u540c\u63d0\u5347\u6bd4\u5bb9\u91cf\u3001\u500d\u7387\u548c\u5faa\u73af\u7a33\u5b9a\u6027\u80fd\uff0c\u6709\u6548\u89e3\u51b3MoO2<\/sub>\u57fa\u7535\u6781\u6750\u6599\u6bd4\u5bb9\u91cf\u4f4e\u548cMoSe2<\/sub>\u57fa\u7535\u6781\u6750\u6599\u5faa\u73af\u7a33\u5b9a\u6027\u5dee\u7684\u95ee\u9898\uff08\u76ee\u524d\u62a5\u9053\u7684\u5927\u90e8\u5206MoSe2<\/sub>\u57fa\u7535\u6781\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u4ec5\u5c40\u9650\u4e8e\u6570\u5341\u6216\u6570\u767e\u6b21\u5faa\u73af\uff09\u3002\u8be5\u9879\u7814\u7a76\u4ee5 \u201cTunable Surface Selenization on MoO2<\/sub>-based Carbon Substrate for Notably Enhanced Sodium-Ion Storage Properties\u201d\u4e3a\u9898\u5728Small<\/i><\/b><\/em><\/strong>\u4e0a\u53d1\u8868\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/b><\/strong><\/p>\n \u56fe\u4e00\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>\u7684\u5236\u5907\u8fc7\u7a0b\u548c\u94a0\u79bb\u5b50\u5728\u5f02\u8d28\u754c\u9762\uff08MoO2<\/sub>@MoSe2<\/sub>\uff09\u4e2d\u7684\u4f20\u8f93<\/p>\n (a) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>\u7684\u5236\u5907\u8fc7\u7a0b\uff1b<\/p>\n (b) \u94a0\u79bb\u5b50\u5728\u5f02\u8d28\u754c\u9762\uff08MoO2<\/sub>@MoSe2<\/sub>\uff09\u4e2d\u7684\u4f20\u8f93\u3002<\/p>\n \u56fe\u4e8c\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u8868\u89c2\u5f62\u8c8c\u548c\u5fae\u89c2\u7ed3\u6784<\/p>\n (a-c) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684SEM\u56fe\uff1b<\/p>\n (d-f) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684TEM\u548cHR-TEM\u56fe\uff1b<\/p>\n (g) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684SAED\u56fe\uff1b<\/p>\n (h) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u5143\u7d20Mapping\u56fe\u3002<\/p>\n \u56fe\u4e09\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u53ca\u5176\u5bf9\u6bd4\u6750\u6599\u7684\u7ed3\u6784\u8868\u5f81<\/p>\n (a) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u53ca\u5176\u5bf9\u6bd4\u6750\u6599\u7684XRD\u56fe\uff1b<\/p>\n (b-c) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u53ca\u5176\u5bf9\u6bd4\u6750\u6599\u7684Raman\u56fe\uff1b<\/p>\n (d-h) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684HR-XPS\u56fe\uff1b<\/p>\n (i) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u53ca\u5176\u5bf9\u6bd4\u6750\u6599\u7684TG\u66f2\u7ebf\u3002<\/p>\n \u56fe\u56db\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u94a0\u79bb\u5b50\u50a8\u5b58\u6027\u80fd<\/p>\n (a) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u524d\u4e09\u6b21CV\u66f2\u7ebf\uff1b<\/p>\n (b) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u524d\u4e94\u6b21\u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n (c) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u500d\u7387\u6027\u80fd\u56fe\u53ca\u5176\u5bf9\u5e94\u7684\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684(d-e) \u6052\u6d41\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n \u56fe\u4e94\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u7ed3\u6784\u7a33\u5b9a\u6027\u5206\u6790<\/p>\n (a) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u53ca\u5176\u5bf9\u6bd4\u6750\u6599\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u80fd\uff1b<\/p>\n (b)\u00a0b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u5927\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u80fd\uff1b<\/p>\n (c-f) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7ecf100\u6b21\u5faa\u73af\u540e\u7684Ex-situ<\/i><\/em>\u00a0SEM\u548cTEM\u56fe\uff1b<\/p>\n (g-j) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7ecf5000\u6b21\u5faa\u73af\u540e\u7684Ex-situ<\/i><\/em>\u00a0SEM\u548cTEM\u56fe\u3002<\/p>\n \u56fe\u516d\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7535\u5316\u5b66\u53cd\u5e94\u52a8\u529b\u5b66\u7684\u5b9e\u9a8c\u5206\u6790<\/p>\n (a-d) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u8d5d\u7535\u5bb9\u6027\u80fd\uff1b<\/p>\n (e-f)\u00a0b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7535\u5316\u5b66\u963b\u6297\u56fe\uff1b<\/p>\n (g-i) b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684GITT\u56fe\u53ca\u94a0\u79bb\u5b50\u6269\u6563\u7cfb\u6570\u66f2\u7ebf\u3002<\/p>\n \u56fe\u4e03\uff1a<\/b><\/strong>b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7535\u8377\u4f20\u8f93\u52a8\u529b\u5b66\u7684\u7406\u8bba\u5206\u6790<\/p>\n (a-c) MoO2<\/sub>, MoSe2<\/sub>\u548cMoO2<\/sub>@MoSe2<\/sub>\u7684\u6001\u5bc6\u5ea6\uff08DOS\uff09\u66f2\u7ebf\uff1b<\/p>\n (e-f)\u00a0MoO2<\/sub>@MoSe2<\/sub>\u5206\u7ea7\u5f02\u8d28\u7ed3\u6784\u7684\u5dee\u5206\u7535\u8377\u5bc6\u5ea6\u3002<\/p>\n \u3010\u5c0f\u7ed3<\/b><\/strong>\u3011<\/p>\n \u603b\u4e4b\uff0c\u901a\u8fc7\u5408\u7406\u7684\u8868\u9762\u7852\u5316\uff0c\u5728\u9ad8\u6676\u76f8b-NC\/g-MoO2<\/sub>\u7684\u57fa\u5e95\u8868\u9762\uff0c\u6210\u529f\u5730\u5236\u5907\u51fab-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>\u3002MoO2<\/sub>@MoSe2<\/sub>\u5206\u7ea7\u5f02\u8d28\u7ed3\u6784\u53ef\u8bf1\u5bfc\u4ea7\u751f\u5927\u91cf\u7684\u81ea\u5efa\u7535\u573a\uff0c\u7ec4\u5206\u95f4\u80fd\u5f62\u6210\u5f3a\u7684\u5316\u5b66\u8026\u5408\u952e\uff08Mo-C\u548cMo-N\uff09\uff0c\u8fd9\u4e9b\u53d1\u73b0\u6709\u52a9\u4e8e\u63d0\u9ad8\u7535\u8377\u8f6c\u79fb\u901f\u7387\uff0c\u52a0\u5f3a\u7ed3\u6784\u7a33\u5b9a\u6027\uff0c\u589e\u52a0\u989d\u5916\u7684\u6d3b\u6027\u4f4d\u70b9\uff0c\u663e\u8457\u63d0\u5347\u4e86b-NC\/g-MoO2<\/sub>@s-MoSe2<\/sub>-10\u7684\u94a0\u79bb\u5b50\u7535\u6c60\u8d1f\u6781\u6027\u80fd\uff085.0 A g-1<\/sup>\u4e0b6000\u6b21\u5faa\u73af\u540e\u5177\u6709254.2 mAh g-1 <\/sup>\u53ef\u9006\u5bb9\u91cf\u548c89.0%\u7684\u5bb9\u91cf\u4fdd\u7559\u7387\uff09\u3002\u901a\u8fc7Ex-situ<\/i><\/em>\u8868\u5f81\u3001\u52a8\u529b\u5b66\u5206\u6790\u548c\u5bc6\u5ea6\u6cdb\u51fd\u7406\u8bba\uff08DFT\uff09\u8ba1\u7b97\uff0c\u63ed\u793a\u4e86\u8be5\u590d\u5408\u6750\u6599\u7684\u50a8\u94a0\u673a\u7406\u3002\u8fd9\u9879\u5de5\u4f5c\u53ef\u4e3a\u6784\u5efa\u5177\u6709\u9ad8\u8d28\u91cf\u5206\u7ea7\u5f02\u8d28\u7ed3\u6784\u7684\u7535\u6781\u6750\u6599\u63d0\u4f9b\u4e86\u91cd\u8981\u7684\u65b9\u6cd5\u6307\u5bfc\u3002<\/p>\n
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