{"id":135934,"date":"2018-04-26T14:00:46","date_gmt":"2018-04-26T06:00:46","guid":{"rendered":"\/\/m.iemloyee.com\/?p=135934"},"modified":"2018-04-25T15:00:00","modified_gmt":"2018-04-25T07:00:00","slug":"nat-mater-%e7%94%a8%e4%ba%8e%e5%90%ab%e6%b0%b4%e7%94%b5%e6%b1%a0%e7%9a%84%e9%ab%98%e5%ba%a6%e5%8f%af%e9%80%86%e7%9a%84%e9%94%8c%e9%87%91%e5%b1%9e%e9%98%b3%e6%9e%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=135934","title":{"rendered":"Nat. Mater: \u7528\u4e8e\u542b\u6c34\u7535\u6c60\u7684\u9ad8\u5ea6\u53ef\u9006\u7684\u950c\u91d1\u5c5e\u9633\u6781"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n \u91d1\u5c5e\u950c\uff08Zn\uff09\u56e0\u5176\u7406\u8bba\u5bb9\u91cf\u9ad8\uff08820 mAhg-1\uff09\uff0c\u7535\u4f4d\u4f4e\uff08\u76f8\u5bf9\u4e8e\u6807\u51c6\u6c22\u7535\u6781\u4e3a-0.762 V\uff09\uff0c\u8d44\u6e90\u4e30\u5bcc\uff0c\u4f4e\u6bd2\u6027\u88ab\u8ba4\u4e3a\u662f\u6c34\u7cfb\u7535\u6c60\u7684\u7406\u60f3\u8d1f\u6781\u6750\u6599\u3002\u7136\u800c\uff0c\u78b1\u6027\u7535\u89e3\u8d28\u4e2d\u7684\u950c\u8d1f\u6781\u6301\u7eed\u906d\u53d7\u7531\u5176\u6c89\u79ef\/\u6eb6\u89e3\u7684\u4f4e\u5e93\u4ed1\u6548\u7387\uff08CE\uff09\uff0c\u5faa\u73af\u8fc7\u7a0b\u4e2d\u7684\u6811\u679d\u72b6\u6676\u4f53\u751f\u957f\uff0c\u6301\u7eed\u7684\u6c34\u6d88\u8017\u548c\u4e0d\u53ef\u9006\u7684\u526f\u4ea7\u7269\u5982\u6c22\u6c27\u5316\u950c\u6216\u950c\u9178\u76d0\u5f15\u8d77\u7684\u4e25\u91cd\u4e0d\u53ef\u9006\u6027\u95ee\u9898\u3002\u867d\u7136\u4e2d\u6027\u7535\u89e3\u8d28\u4e2d\u950c\u679d\u6676\u7684\u5f62\u6210\u53ef\u4ee5\u88ab\u6700\u5c0f\u5316\uff0c\u4f46\u5176\u4f4e\u5e93\u4ed1\u6548\u7387\u4ecd\u7136\u662f\u4e00\u4e2a\u4e25\u5cfb\u7684\u6311\u6218\u3002\u5728\u5927\u591a\u6570\u4e4b\u524d\u7684\u62a5\u9053\u4e2d\uff0c\u5fc5\u987b\u4f7f\u7528\u9ad8\u5145\u7535\/\u653e\u7535\u901f\u7387\u6765\u51cf\u5c11\u53ef\u9006\u6027\u5bf9\u5faa\u73af\u5bff\u547d\u7684\u5f71\u54cd\uff0c\u5e76\u4e14\u7ecf\u5e38\u9700\u8981\u5b9a\u671f\u8865\u5145\u7535\u89e3\u8d28\u4ee5\u8865\u507f\u6c34\u5206\u89e3\u3002\u950c\u8fd8\u5fc5\u987b\u5927\u91cf\u8fc7\u91cf\u4f7f\u7528\u4ee5\u8865\u507f\u5176\u526f\u53cd\u5e94\u7684\u6d88\u8017\u91cf\uff0c\u8fd9\u5bfc\u81f4\u5176\u7406\u8bba\u6bd4\u5bb9\u91cf\u672a\u88ab\u5145\u5206\u5229\u7528\u3002\u56e0\u6b64\uff0c\u950c\u8d1f\u6781\u7684\u5f00\u53d1\u4ecd\u7136\u9762\u4e34\u5de8\u5927\u7684\u6311\u6218\u3002<\/p>\n \u3010\u6210\u679c\u7b80\u4ecb\u3011<\/strong><\/p>\n \u8fd1\u65e5\uff0c\u7f8e\u56fd\u9a6c\u91cc\u5170\u5927\u5b66\u7684\u738b\u6625\u751f\u6559\u6388<\/strong>\u8054\u5408\u7f8e\u56fd\u9646\u519b\u5b9e\u9a8c\u5ba4\u8bb8\u5eb7\u7814\u7a76\u5458\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09<\/strong>\u62a5\u9053\u4e86\u9ad8\u6d53\u5ea6\u7684Zn\u79bb\u5b50\u7535\u89e3\u8d28\uff08\u4ee5\u4e0b\u79f0\u4e3aHCZE\uff09\u3002\u738b\u98de\u535a\u58eb\uff08\u81ea\u7136\u6750\u6599\u6587\u7ae0\u7684\u7b2c\u4e00\u4f5c\u8005\uff09\u5229\u7528\u9ad8\u6d53\u5ea6\u7684\u57fa\u8d28\u7535\u89e3\u6db2\u4e2d\uff081 mol Zn(TFSI)2<\/sub> + 20 mol LiTFSI\uff09\uff0cZn\u8d1f\u6781\u7684\u5e93\u4f26\u6548\u7387\u8fbe\u5230\u63a5\u8fd1100%\uff0c\u610f\u5473\u7740\u975e\u5e38\u597d\u7684\u53ef\u9006\u6027\u3002\u4ee5Zn\u4e3a\u8d1f\u6781\uff0cLiMn2<\/sub>O4<\/sub>\u6216O2<\/sub>\u4e3a\u6b63\u6781\u8fdb\u884c\u7535\u6c60\u6d4b\u8bd5\uff0c\u4f7fZn\u7535\u6c60\u5177\u6709\u524d\u6240\u672a\u6709\u7684\u53ef\u9006\u6027\u3002\u524d\u8005\u529f\u7387\u4e3a180Whkg-1<\/sup>\uff0c4000\u6b21\u5faa\u73af\u4e0b\u4ecd\u4fdd\u630180\uff05\u7684\u5bb9\u91cf\uff0c\u800c\u540e\u8005\u7684\u8f93\u51fa\u529f\u7387\u4e3a300 W h kg-1\uff0c\u5faa\u73af\u6b21\u6570\u5927\u4e8e200\u6b21\u3002\u7ed3\u6784\u548c\u5149\u8c31\u7814\u7a76\u7ed3\u5408\u5206\u5b50\u52a8\u529b\u5b66\u6a21\u62df\u8868\u660e\uff0c\u8fd9\u79cd\u4f18\u5f02\u7684Zn\u53ef\u9006\u6027\u6e90\u4e8e\u9ad8\u6d53\u5ea6\u542b\u6c34\u7535\u89e3\u8d28\u4e2dZn2+<\/sup>\u72ec\u7279\u7684\u6eb6\u5242\u5316\u7ed3\u6784\u3002\u7531\u4e8eTFSI\u9634\u79bb\u5b50\u7684\u9ad8\u6d53\u5ea6\uff0c\u8feb\u4f7f\u5b83\u4eec\u8fdb\u5165Zn2+<\/sup>\u9644\u8fd1\uff0c\u4ece\u800c\u5f62\u6210\u7d27\u5bc6\u79bb\u5b50\u5bf9 (Zn-TFSI)+<\/sup>\uff0c\u5e76\u663e\u8457\u6291\u5236(Zn-(H2<\/sub>O)6<\/sub>)2+<\/sup>\u7684\u5b58\u5728\u3002\u8fd9\u4e00\u673a\u7406\u4e3a\u9ad8\u6548\u5229\u7528\u950c\u63d0\u4f9b\u4e86\u4e00\u6761\u65b0\u7684\u9014\u5f84\uff0c\u53ef\u7528\u4e8e\u9ad8\u5b89\u5168\u6027\u7684\u5148\u8fdb\u80fd\u6e90\u50a8\u5b58\u5e94\u7528\uff0c\u5e76\u53ef\u80fd\u7528\u4e8e\u5176\u4ed6\u591a\u4ef7\u9633\u79bb\u5b50\u7535\u6c60\uff0c\u8fd9\u4e9b\u591a\u4ef7\u9633\u79bb\u5b50\u901a\u5e38\u5177\u6709\u8f83\u5dee\u7684\u53ef\u9006\u6027\u548c\u7f13\u6162\u7684\u52a8\u529b\u5b66\u95ee\u9898\u3002\u76f8\u5173\u7814\u7a76\u6210\u679c\u4ee5\u201cHighly reversible zinc metal anode for aqueous batteries<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Nature Materials<\/strong>\u4e0a\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe\u4e00\u00a0<\/strong>HCZE<\/strong>\u4e2d\u7684<\/strong>Zn<\/strong>\u9633\u6781\uff08<\/strong>1m Zn(TFSI)2<\/sub>\u2009+20m LiTFSI<\/strong>\uff09\u7684\u8868\u5f81<\/strong><\/p>\n \uff08a\uff09\u57280.2mA cm-2<\/sup>\u7684Zn\/Zn\u5bf9\u79f0\u7535\u6c60\u4e2d\u7684\u6052\u7535\u6d41Zn\u6eb6\u89e3\/\u6c89\u79ef<\/p>\n \uff08b\uff09HCZE\u4e2d500\u6b21\u6eb6\u89e3\/\u6c89\u79ef\u5faa\u73af\u540eZn\u8d1f\u6781\u7684SEM\u56fe\u548cXRD\u56fe\uff08\u63d2\u56fe\uff09<\/p>\n \uff08c\uff09\u4f7f\u7528Pt\uff08\u76f4\u5f842mm\uff09\u7684\u4e09\u7535\u6781\u7535\u6c60\u4e2d\u7684\u9540Zn \/\u5265\u79bb\u7684\u5faa\u73af\u4f0f\u5b89\u56fe\uff0c\u4ee51mV s-1<\/sup>\u7684\u626b\u63cf\u901f\u7387<\/p>\n \uff08d\uff09\u57281mA cm-2<\/sup>\u7684Pt\u5de5\u4f5c\u7535\u6781\u4e0a\u7684Zn\u6c89\u79ef\/\u5265\u79bb\u65f6\u95f4\uff08\u5de6\uff09\u548cCE\uff08\u53f3\uff09<\/p>\n \u56fe\u4e8c\u00a0<\/strong>LiTFSI<\/strong>\u6d53\u5ea6\u5bf9\u9633\u79bb\u5b50\u6eb6\u5242\u5316<\/strong>–<\/strong>\u9798\u5c42\u7ed3\u6784\u548c\u6574\u4f53\u6027\u8d28\u7684\u5f71\u54cd<\/strong><\/p>\n \uff08a\uff09\u5177\u6709\u4e0d\u540cLiTFSI\u6d53\u5ea6\u7684\u7535\u89e3\u8d28\u7684pH\u503c<\/p>\n \uff08b\uff09\u5177\u6709\u4e0d\u540cLiTFSI\u6d53\u5ea6\u7684\u7535\u89e3\u8d28\u57283800\u81f33100 cm-1<\/sup>\u4e4b\u95f4\u7684FTIR\u5149\u8c31<\/p>\n \uff08c\uff09\u6eb6\u5242\uff08\u6c34\uff09\u4e2dO17<\/sup>\u5316\u5b66\u4f4d\u79fb\u968f\u7740\u76d0\u6d53\u5ea6\u7684\u53d8\u5316<\/p>\n \uff08d\uff09\u4e0d\u540c\u7535\u89e3\u8d28\u5728\u76f8\u5bf9\u6e7f\u5ea6\u7ea665\uff05\u7684\u7a7a\u6c14\u4e2d\u7684\u91cd\u91cf\u4fdd\u6301\u7387<\/p>\n \u56fe\u4e09\u00a0<\/strong>Zn 2+<\/sup><\/strong>\u6eb6\u5242\u7ed3\u6784\u7684<\/strong>MD<\/strong>\u7814\u7a76<\/strong><\/p>\n \uff08a\uff09\u5728363K\u4e0b\u7528\u4e8eHCZE(1m Zn(TFSI)2+20m LiTFSI)\u7684MD\u6a21\u62df\u56fe\u50cf<\/p>\n \uff08b\uff09\u5177\u67091m Zn(TFSI)2<\/sub>\u548c\u4e09\u79cd\u6d53\u5ea6\u7684LiTFSI\uff085m\uff0c10m\u548c20m\uff09\u7684\u7535\u89e3\u8d28\u4e2d\u7684\u5178\u578bZn2+<\/sup>\u79bb\u5b50\u6eb6\u5242\u7ed3\u6784\u3002<\/p>\n \uff08c\uff09Zn2+<\/sup>-O(TFSI)\uff08c\uff09\u548c(d)Zn2+<\/sup>-O\uff08H2<\/sup>O\uff09\u7684\u914d\u4f4d\u6570\u968f\u7740\u542bLiTFSI\uff085 m\uff0c10 m\u548c20 m\uff09\u6d53\u5ea6\u7684\u53d8\u5316<\/p>\n \uff08E\uff09\u5728298 K\u4e0b\uff0c\u5bf9\u4e8e1 m Zn(TFSI)2+<\/sub>20 m LiTFSI\u5728D2O\u4e2d\u5f62\u6210\u7535\u89e3\u8d28\u7ed3\u6784\u7684\u4e2d\u5b50\u5c0f\u89d2\u6563\u5c04\u5b9e\u9a8c\u7ed3\u679c\uff08\u7eff\u8272\u5706\u5708\uff09\u548c\u8ba1\u7b97\u6a21\u62df\u7ed3\u679c\uff08\u9ed1\u8272\u7ebf\uff09<\/p>\n \u56fe\u56db\u00a0<\/strong>Zn\/LiMn2<\/sub>O4<\/sub><\/strong>\u5168\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n \uff08a\uff09\u5728\u6052\u5b9a\u7535\u6d41\u4e0b\uff0cHCZE(1m Zn(TFSI)2<\/sub> + 20m LiTFSI)\u4e2d\u7684Zn\/LiMn2<\/sub>O4<\/sub>\u5168\u7535\u6c60\u7684\u5178\u578b\u7535\u538b\u66f2\u7ebf<\/p>\n \uff08b\uff0cc\uff09\u57280.2C\uff08b\uff09\u548c4C\uff08c\uff09\u901f\u7387\u4e0b\uff0cHCZE\u4e2dZn\/LiMn2<\/sub>O4<\/sub>\u5168\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u548c\u5e93\u4f26\u6548\u7387<\/p>\n \uff08d\uff09\u901a\u8fc7\u57280.2C\u4e0b10\u6b21\u5faa\u73af\u540e\u5728100\uff05\u5145\u7535\u72b6\u6001\uff08SOC\uff09\u4e0b\u9759\u7f6e24\u5c0f\u65f6\u8bc4\u4f30\u50a8\u5b58\u6027\u80fd<\/p>\n \u56fe\u4e94\u00a0<\/strong>Zn\/O2<\/sub><\/strong>\u5168\u7535\u6c60\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/p>\n \uff08a\uff09HCZE\u4e2dZn\/O2<\/sub>\u7535\u6c60\u7684\u5178\u578b\u5168\u8303\u56f4\u7535\u538b\u66f2\u7ebf\uff080.5\u548c2.0 V\u4e4b\u95f4\uff09\u3002\u63d2\u56fe\uff1a\u76f8\u5e94\u7684\u5faa\u73af\u6027\u80fd<\/p>\n \uff08b\uff09\u5728\u6052\u5b9a\u5bb9\u91cf\u6a21\u5f0f\u4e0b\uff0c\u7535\u6d41\u5bc6\u5ea6\u4e3a50mAg-1<\/sup>\u65f6\u7684Zn\/O2<\/sub>\u7535\u6c60\u7684\u5faa\u73af\u6027\u80fd<\/p>\n \u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n \u9ad8\u6d53\u5ea6\u542b\u6c34\u7535\u89e3\u8d28\u5177\u6709\u5404\u79cd\u72ec\u7279\u6027\u80fd\uff0c\u7a00\u950c\u7535\u89e3\u8d28\u5c06\u65e0\u6cd5\u63d0\u4f9b\u8fd9\u4e9b\u6027\u80fd\u3002MD\u6a21\u62df\u548c\u7ed3\u6784\u548c\u5149\u8c31\u5b66\u7814\u7a76\u5efa\u7acb\u4e86Zn2+<\/sup>\u6eb6\u5242\u5316\u7ed3\u6784\u548cZn\u8d1f\u6781\u53ef\u9006\u6027\u4e4b\u95f4\u7684\u76f4\u63a5\u76f8\u5173\u6027\u3002\u5728LiTFSI\u6d53\u5ea6\u226520m\u65f6\uff0c\u5176\u4e2dZn2+<\/sup>\u88abTFSI–<\/sup>\u5305\u56f4\uff0c\u53ef\u6709\u6548\u9632\u6b62H2<\/sub>\u6790\u51fa\uff0c\u4ece\u800c\u5bfc\u81f4\u53ef\u9006\u548c\u65e0\u679d\u6676\u7684Zn\u6c89\u79ef\/\u6eb6\u89e3\uff08CE\u2248100\uff05\uff09\u3002\u6df7\u5408\u578bZn-Li\u7535\u6c60\uff08Zn \/ LiMn2<\/sub>O4<\/sub>\uff09\u5177\u6709\u4f18\u5f02\u7684\u5faa\u73af\u6027\u80fd\uff0c\u53ef\u4ee5\u4ee599.9\uff05\u7684\u5e93\u4f26\u6548\u7387\u8fdb\u884c4,000\u6b21\u5faa\u73af\uff0c\u5bb9\u91cf\u4fdd\u6301\u7387\u4e3a85\uff05\u3002\u66f4\u5177\u6311\u6218\u6027\u7684Zn\/O2<\/sub>\u7cfb\u7edf\u63d0\u4f9b\u4e86300 Wh kg-1<\/sup>\u7684\u9ad8\u80fd\u91cf\u5bc6\u5ea6\uff0c\u4e14\u5faa\u73af\u8d85200\u6b21\u3002\u503c\u5f97\u6307\u51fa\u7684\u662f\uff0c\u8fd9\u79cd\u65b0\u578b\u950c\u6c34\u7535\u89e3\u8d28\u7684\u4e2d\u6027pH\u548c\u4f18\u5f02\u7684\u4fdd\u6c34\u80fd\u529b\u6709\u5229\u4e8e\u950c\/\u7a7a\u6c14\u7535\u6c60\u7684\u5e94\u7528\uff0c\u950c\/\u7a7a\u6c14\u7535\u6c60\u4e00\u76f4\u53d7\u5230\u78b1\u6027\u7535\u89e3\u8d28\u7684\u56f0\u6270\uff08\u4e0e\u7a7a\u6c14\u4e2dCO2\u53d1\u751f\u526f\u53cd\u5e94\uff0c\u6c34\u6325\u53d1\u7b49\uff09\u3002\u9ad8\u5b89\u5168\u6027\u4ee5\u53ca\u4f18\u5f02\u7684\u5faa\u73af\u6027\u4f7f\u5f97\u8fd9\u4e9b\u950c\u7535\u6c60\u6210\u4e3a\u5e94\u7528\u4e8e\u822a\u7a7a\u822a\u5929\uff0c\u98de\u673a\uff0c\u6f5c\u8247\uff0c\u6df1\u6d77\u6d4b\u91cf\u8f66\u8f86\u548c\u5176\u4ed6\u6781\u7aef\u6761\u4ef6\u4e0b\u7684\u6f5c\u5728\u5e94\u7528\u5bf9\u8c61\u3002<\/p>\n \u6587\u732e\u94fe\u63a5\uff1a<\/strong>\u201c<\/strong>Highly reversible zinc metal anode for aqueous batteries<\/strong><\/a>\u201d(Nat. Mater .2018.doi:10.1038\/s41563-018-0063-z)<\/strong>\u00a0<\/strong><\/p>\n \u738b\u6625\u751f\uff0c\u8bb8\u5eb7\u56e2\u961f\u5173\u4e8e\u6c34\u7cfb\u7535\u6c60\u76f8\u5173\u5de5\u4f5c\u6c47\u603b\uff1a<\/p>\n \u672c\u6587\u7531\u6750\u6599\u4eba\u7f16\u8f91\u90e8\u5b66\u672f\u7ec4\u5fae\u89c2\u4e16\u754c\u7f16\u8bd1\uff0c\u8bba\u6587\u901a\u8baf\u4f5c\u8005\u738b\u6625\u751f\u6559\u6388\u4fee\u6b63\u4f9b\u7a3f\u3002<\/p>\n \u6750\u6599\u725b\u7f51\u4e13\u6ce8\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u53ca\u884c\u4e1a\u8fdb\u5c55\uff0c\u5982\u679c\u60a8\u5bf9\u4e8e\u8ddf\u8e2a\u6750\u6599\u9886\u57df\u79d1\u6280\u8fdb\u5c55\uff0c\u89e3\u8bfb\u9ad8\u6c34\u5e73\u6587\u7ae0\u6216\u662f\u8bc4\u8ff0\u884c\u4e1a\u6709\u5174\u8da3\uff0c\u70b9\u6211\u52a0\u5165\u7f16\u8f91\u90e8<\/strong><\/a>\u3002\u6b22\u8fce\u5927\u5bb6\u5230\u6750\u6599\u4eba\u5ba3\u4f20\u79d1\u6280\u6210\u679c\u5e76\u5bf9\u6587\u732e\u8fdb\u884c\u6df1\u5165\u89e3\u8bfb\uff0c\u6295\u7a3f\u90ae\u7bb1tougao@cailiaoren.com\u3002<\/p>\n<\/p>\n
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