{"id":70318,"date":"2017-03-10T06:30:09","date_gmt":"2017-03-09T22:30:09","guid":{"rendered":"http:\/\/www.cailiaoniu.com\/?p=70318"},"modified":"2017-03-10T09:03:56","modified_gmt":"2017-03-10T01:03:56","slug":"%e6%b8%85%e5%8d%8e%e6%b7%b1%e7%a0%94%e9%99%a2acs-energy-letters-%ef%bc%9a%e6%96%b0%e5%9e%8b%e7%94%b5%e8%a7%a3%e6%b6%b2%e4%bd%93%e7%b3%bb%e7%94%b5%e7%94%a8%e4%ba%8e%e9%94%82%e7%a9%ba%e6%b0%94%e7%94%b5","status":"publish","type":"post","link":"http:\/\/www.cailiaoniu.com\/?p=70318","title":{"rendered":"\u6e05\u534e\u6df1\u7814\u9662ACS Energy letters \uff1a\u65b0\u578b\u7535\u89e3\u6db2\u4f53\u7cfb\u7535\u7528\u4e8e\u9502\u7a7a\u6c14\u7535\u6c60"},"content":{"rendered":"

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

\u968f\u7740\u5168\u4e16\u754c\u5bf9\u80fd\u6e90\u7684\u9700\u6c42\u8d8a\u6765\u8d8a\u5927\uff0c\u53ef\u5faa\u73af\u5145\u653e\u7535\u7684\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u88ab\u8ba4\u4e3a\u662f\u5c06\u6765\u6700\u5177\u6709\u524d\u666f\u7684\u80fd\u6e90\u5b58\u50a8\u88c5\u7f6e\uff0c\u56e0\u4e3a\u5176\u7406\u8bba\u80fd\u91cf\u5bc6\u5ea6\u8fdc\u8fdc\u9ad8\u4e8e\u76ee\u524d\u7684\u9502\u79bb\u5b50\u7535\u6c60\u3002\u5176\u4e2d\uff0c\u9502\u6c27\u6c14\u7535\u6c60\u662f\u91d1\u5c5e\u7a7a\u6c14\u7535\u6c60\u4e2d\u6700\u5177\u4ee3\u8868\u6027\u7684\u4e00\u79cd\u7535\u6c60\uff0c\u5176\u7406\u8bba\u6bd4\u80fd\u91cf\u53ef\u4ee5\u8fbe\u523011140 Wh kg\u00ad1<\/sup>\uff0c\u4e0e\u6c7d\u6cb9\u7684\u80fd\u91cf\u5bc6\u5ea6\u76f8\u5f53\uff0c\u8db3\u4ee5\u6ee1\u8db3\u7535\u52a8\u6c7d\u8f66\u7684\u7eed\u822a\u8981\u6c42\u3002\u7136\u800c\uff0c\u9502\u6c27\u6c14\u7535\u6c60\u5728\u5b9e\u9645\u5e94\u7528\u8fc7\u7a0b\u4e2d\uff0c\u4ecd\u7136\u5b58\u5728\u5f88\u591a\u9700\u8981\u89e3\u51b3\u7684\u5173\u952e\u95ee\u9898\uff1a\u5982\u7535\u89e3\u6db2\u4f53\u7cfb\u4e0d\u7a33\u5b9a\uff0c\u8f83\u5dee\u7684\u5faa\u73af\u6027\u80fd\u4e0e\u8f83\u4f4e\u7684\u5e93\u4f26\u6548\u7387\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u3001\u6784\u5efa\u9ad8\u6548\u7a33\u5b9a\u7684\u9502\u7a7a\u6c14\u7535\u6c60\u7535\u89e3\u6db2\u4f53\u7cfb\uff0c\u662f\u9502\u7a7a\u6c14\u7535\u6c60\u73b0\u9636\u6bb5\u9762\u4e34\u7684\u4e00\u9879\u91cd\u5927\u6311\u6218\u3002<\/p>\n

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

\u6700\u8fd1\uff0c\u6e05\u534e\u5927\u5b66\u6df1\u5733\u7814\u7a76\u751f\u9662\u80fd\u6e90\u4e0e\u73af\u5883\u6750\u6599\u56e2\u961f\u674e\u5b9d\u534e<\/span><\/strong>\u6559\u6388\u548c\u7fdf\u767b\u4e91<\/strong><\/span>\u526f\u6559\u6388\uff08\u5171\u540c\u901a\u8baf\u4f5c\u8005\uff09\uff0c\u5218\u5982\u4eae\u535a\u58eb\u5728ACS Energy letters<\/em>\u4e0a\u53d1\u8868\u9898\u4e3a\u201cAchieving Low Overpotential Lithium\u2212Oxygen Batteries by Exploiting a New Electrolyte Based on N,N\u2032\u2011Dimethylpropyleneurea\u201d\u7684\u6587\u7ae0\u3002\u7814\u7a76\u8005\u5f00\u53d1\u4e86\u4ee5N, N’-\u4e8c\u7532\u57fa\u4e19\u70ef\u57fa\u8132 (DMPU)\u4f5c\u4e3a\u6eb6\u5242\u30012,6-\u4e8c\u53d4\u4e01\u57fa-4-\u7532\u57fa\u82ef\u915a(BHT)\u4e3a\u6dfb\u52a0\u5242\u3001\u53cc\u4e09\u6c1f\u7532\u57fa\u78fa\u9170\u80fa\u4e9a\u9502\uff08LiTFSI\uff09\u4f5c\u4e3a\u9502\u76d0\u7684\u65b0\u578b\u7535\u89e3\u6db2\u4f53\u7cfb\u3002\u8be5\u7535\u89e3\u6db2\u4f53\u7cfb\u4e2d\uff0cDMPU\u5177\u6709\u8f83\u4f4e\u7684\u84b8\u6c7d\u538b\uff08b p=246 o<\/sup>C\uff09\uff0c\u8f83\u5f3a\u7684\u6781\u6027\u4ee5\u53ca\u8f83\u597d\u7684\u6eb6\u89e3\u9502\u76d0\u7684\u80fd\u529b\uff1bBHT\u53ef\u4ee5\u5438\u9644\u4f53\u7cfb\u4e2d\u4ea7\u751f\u7684\u4ea7\u6c27\u81ea\u7531\u57fa\uff0c\u51cf\u7f13\u8d85\u6c27\u81ea\u7531\u57fa\u5bf9\u7535\u89e3\u6db2\u7684\u7834\u574f\u4f5c\u7528\u3002\u56e0\u6b64\uff0c\u8be5\u4f53\u7cfb\u517c\u5177\u79bb\u5b50\u7535\u5bfc\u7387\u9ad8\u3001\u70ed\u7a33\u5b9a\u6027\u597d\u3001\u6297\u6c27\u5316\u6027\u5f3a\u7b49\u4f18\u70b9\uff0c\u53ef\u4ee5\u6709\u6548\u7684\u800c\u964d\u4f4e\u5145\u653e\u7535\u7535\u538b\u5dee\uff0c\u63d0\u9ad8\u9502\u6c27\u7535\u6c60\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u4f7f\u7528\u5355\u7eaf\u78b3\u7eb3\u7c73\u7ba1\u4f5c\u4e3a\u6b63\u6781\u7ec4\u88c5\u9502\u6c27\u7535\u6c60\uff0c\u5145\u7535\u7535\u538b\u964d\u4f4e\u52300.6V\uff08\u9502\u6c27\u7535\u6c60\u5e38\u89c4\u7535\u89e3\u6db2TEGDME\u4e3a1.4V\uff09\u3002<\/p>\n

<\/p>\n

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

\u56fe<\/strong>1 DMPU\/BHT<\/strong>\u4f53\u7cfb\u7684\u7535\u5316\u5b66\u6027\u80fd<\/strong><\/span><\/p>\n

<\/p>\n

\uff08a) 1M LiTFSI\/DMPU,1MLiTFSI\/TEGDME\u548c1MLiTFSI\/DMPU\/ BHT \u7684\u7535\u5bfc\u7387\u968f\u6e29\u5ea6\u53d8\u5316\u66f2\u7ebf\uff1b<\/p>\n

\uff08b) LiTFSI\/DMPU\u5206\u522b\u5728Ar\u548cO2<\/sub>\u6c1b\u56f4\u4e0b\u7684CV\u66f2\u7ebf\uff08\u5de5\u4f5c\u7535\u6781\u4e3a\u73bb\u7483\u78b3\u7535\u6781\uff0c\u6d4b\u8bd5\u626b\u63cf\u901f\u5ea6\u4e3a100 mV s\u22121<\/sup>\uff09\uff1b<\/p>\n

\uff08c) LiTFSI\/DMPU\u4e0eLiTFSI\/TEGDME \u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a100 \u00b5A cm-2<\/sup>\u6761\u4ef6\u4e0b\u7684\u5168\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08d) LiTFSI\/DMPU\u4e0eLiTFSI\/TEGDME \u5206\u522b\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a100 \u00b5A cm-2<\/sup>\u6761\u4ef6\u4e0b\u7684\u7b2c\u4e00\u5708\u9650\u5bb9\u5145\u653e\u7535\u66f2\u7ebf\u3002<\/p>\n

\u56fe<\/strong>2 <\/strong>\u57fa\u4e8e<\/strong>DMPU\/BHT<\/strong>\u4f53\u7cfb\u7684\u9502\u6c27\u6c14\u7535\u6c60\u653e\u7535\u4ea7\u7269\u8868\u5f81<\/strong><\/span><\/p>\n

<\/p>\n

\uff08a\uff09\u5168\u653e\u7535\u4ea7\u7269\u7684XRD<\/p>\n

\uff08b\uff09\u5168\u653e\u7535\u4ea7\u7269\u7684\u62c9\u66fc\u5149\u8c31<\/p>\n

\uff08c\uff09\u5168\u653e\u7535\u4ea7\u7269\u7684SEM (DMPU)<\/p>\n

\uff08d\uff09\u5168\u653e\u7535\u4ea7\u7269\u7684SEM (DMPU\/BHT)<\/p>\n

\u56fe<\/strong>3<\/strong>\u4e0d\u540c\u6761\u4ef6\u4e0b\u7684\u9650\u5bb9\u5145\u653e\u7535\u5faa\u73af<\/strong><\/span><\/p>\n

<\/p>\n

\uff08a) 1M LiTFSI\/DMPU\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u6761\u4ef6\u4e0b\u7b2c\u4e00\u5708\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08b)\u9996\u6b21\u5faa\u73af\u4e4b\u540e\u66f4\u6362LiTFSI\/DMPU\u7535\u89e3\u8d28\u7684\u7b2c\u4e00\u5708\u9650\u5bb9\u5145\u653e\u7535\u66f2\u7ebf\uff1b<\/p>\n

\uff08c)1M LiTFSI\/DMPU\u548c d)1 M LiTFSI\/DMPU\/BHT \u5728\u5206\u522b\u5728\u7535\u6d41\u5bc6\u5ea6\u4e3a50\u00b5A cm-2<\/sup>\u7684\u6761\u4ef6\u4e0b\u9650\u5bb9\u5145\u653e\u7535\u5faa\u73af\u56fe<\/p>\n

\u56fe<\/strong>4 \u00a0<\/strong>Li2<\/sub>O2<\/sub> <\/strong>\u5728<\/strong>1 M LiTFSI\/DMPU<\/strong>\u7535\u89e3\u6db2\u4e2d\u7684\u5206\u89e3\u673a\u7406\u793a\u610f\u56fe<\/strong><\/span><\/p>\n

<\/p>\n

Reaction I:\u00a0\u00a0\u00a0 Li2<\/sub>O2<\/sub> \u2192 2Li+<\/sup> +O2<\/sub>–<\/sup>(sol) + e–<\/sup>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

Reaction II:\u00a0 Li+<\/sup> +O2<\/sub>–<\/sup>(sol) \u2192 1\/2 Li2<\/sub>O2<\/sub> +1\/2 O2<\/sub>\u2191\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

\u56fe<\/strong>5 <\/strong>\u4e0d\u540c\u5faa\u73af\u4e4b\u540e\u7535\u89e3\u6db2\u6eb6\u5242\u7684\u6838\u78c1\u8c31\u56fe<\/strong><\/span><\/p>\n

<\/p>\n

a)\u539f\u59cb\u7684DMPU, b)\u5168\u653e\u7535\u4e4b\u540e\u7684LiTFSI\/DMPU, c) \u7b2c\u4e00\u5708\u5faa\u73af\u4e4b\u540e\u7684 LiTFSI\/DMPU, d) \u5faa\u73af10\u5708\u4e4b\u540e\u7684LiTFSI\/DMPU, e) \u5168\u653e\u7535\u4e4b\u540e\u7684 LiTFSI\/DMPU\/BHT, f) \u4e2a\u5faa\u73af20\u5708\u4e4b\u540e\u7684LiTFSI\/DMPU\/BHT\u3002<\/p>\n

\u3010\u7ed3\u8bed\u3011<\/strong><\/span><\/p>\n

\u4f5c\u8005\u5f00\u53d1\u4e86\u4ee5N, N’-\u4e8c\u7532\u57fa\u4e19\u70ef\u57fa\u8132 (DMPU)\u4f5c\u4e3a\u6eb6\u5242\u30012,6-\u4e8c\u53d4\u4e01\u57fa-4-\u7532\u57fa\u82ef\u915a(BHT)\u4e3a\u6dfb\u52a0\u5242\u7684\u65b0\u7535\u89e3\u6db2\u4f53\u7cfb\u3002\u8be5\u7535\u89e3\u6db2\u4f53\u7cfb\u6709\u6548\u7684\u964d\u4f4e\u4e86\u9502\u6c27\u7535\u6c60\u7684\u8fc7\u7535\u538b\uff0c\u8fd9\u4e3b\u8981\u5f52\u56e0\u4e8e\u5728\u5145\u7535\u8fc7\u7a0b\u4e2d\uff0c\u5177\u6709\u8f83\u9ad8DN\u503c\u7684DMPU\u6eb6\u5242\uff0c\u6613\u5b9e\u73b0\u4e00\u4e2a\u7535\u5b50\u8f6c\u79fb\u3002\u6b64\u5916\uff0cBHT\u4ee5\u5316\u5b66\u5438\u9644\u7684\u65b9\u5f0f\u7a33\u5b9a\u4e86LiO2<\/sub>\uff0c\u6709\u5229\u4e8e\u63d0\u9ad8\u7535\u6c60\u7684\u5faa\u73af\u7a33\u5b9a\u6027\u3002\u672c\u5de5\u4f5c\u901a\u8fc7\u7814\u7a76\u6eb6\u5242\u5bf9\u9502\u6c27\u7535\u6c60\u5145\u7535\u673a\u7406\u7684\u5f71\u54cd\uff0c\u4e3a\u5f00\u53d1\u65b0\u578b\u3001\u9ad8\u6027\u80fd\u7684\u9502\u6c27\u7535\u6c60\u7535\u89e3\u6db2\u4f53\u7cfb\u63d0\u4f9b\u7406\u8bba\u601d\u8def\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5\uff1aAchieving Low Overpotential Lithium\u2212Oxygen Batteries by Exploiting a New Electrolyte Based on N,N\u2032\u2011Dimethylpropyleneurea<\/a><\/strong>\uff08ACS Energy Lett.\uff0c2017, DOI: 10.1021\/acsenergylett.6b00581\uff09<\/p>\n

\u672c\u6587\u7531\u6e05\u534e\u5927\u5b66\u6df1\u5733\u7814\u7a76\u751f\u9662\u5eb7\u98de\u5b87\u6559\u6388\u56e2\u961f\u4f9b\u7a3f\uff0c\u6750\u6599\u4eba\u65b0\u80fd\u6e90\u7ec4\u80cc\u9006\u65f6\u5149\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\u6750\u6599\u4eba<\/a>\u3001\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

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