{"id":205437,"date":"2020-07-16T12:00:43","date_gmt":"2020-07-16T04:00:43","guid":{"rendered":"\/\/m.iemloyee.com\/?p=205437"},"modified":"2020-07-16T10:00:32","modified_gmt":"2020-07-16T02:00:32","slug":"%e3%80%90%e5%b7%b2%e5%9b%9e%e5%a4%8d%e3%80%91energy-environ-sci-%ef%bc%9a%e8%83%bd%e5%b8%a6%e6%8e%92%e5%88%97%e7%ad%96%e7%95%a5%e5%87%8f%e5%b0%91li-o2%e7%94%b5%e6%b1%a0%e7%9a%84%e6%ad%a3%e6%9e%81","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=205437","title":{"rendered":"Energy Environ. Sci.\uff1a\u80fd\u5e26\u6392\u5217\u7b56\u7565\u51cf\u5c11Li-O2\u7535\u6c60\u7684\u6b63\u6781\u5145\u7535\u8fc7\u7535\u4f4d"},"content":{"rendered":"
\u3010\u5f15\u8a00\u3011<\/strong><\/p>\n 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V\u7684\u4f4e\u5145\u7535\u7535\u4f4d\u7684\u6f5c\u5728\u9ad8\u6d3b\u6027\u6b63\u6781\uff0c\u4f8b\u5982MnN\u548cCr2<\/sub>O3<\/sub>\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201c<\/strong>Reducing charge overpotential of Li-O2<\/sub> batteries through band-alignment cathode design<\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728Energy & Environmental Science<\/strong>\u4e0a\uff0c\u7b2c\u4e00\u4f5c\u8005\u4e3a\u4e2d\u56fd\u79d1\u5b66\u9662\u4e0a\u6d77\u7845\u9178\u76d0\u7814\u7a76\u6240\u52a9\u7406\u7814\u7a76\u5458\u738b\u6709\u4f1f<\/strong>\u3002<\/p>\n \u3010\u56fe\u6587\u5bfc\u8bfb\u3011<\/strong><\/p>\n \u56fe<\/strong> 1 <\/strong>\u5145\u7535\u8fc7\u7a0b\u793a\u610f\u56fe<\/strong><\/p>\n \uff08a\uff09Li2<\/sub>O2<\/sub>\u7684\u5185\u5728\u5206\u89e3\u8fc7\u7a0b\uff0c\u5305\u62ec\u5316\u5b66\u8131\u9644\uff08Gdes<\/sub><\/em>= e<\/em>\u00b7Udes<\/sub><\/em>\uff09\u548c\u5728Li2<\/sub>O2<\/sub>\u5185\u90e8\u7684\u7535\u8377\u4f20\u8f93\uff08\u25b3HHCT<\/sub><\/em>= 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mA\u2219g-1<\/sup>\u7535\u6d41\u5bc6\u5ea6\u548c500 mAh\u2219g-1<\/sup>\u622a\u6b62\u6bd4\u5bb9\u91cf\u4e0b\uff0cLi2<\/sub>O2<\/sub>@CoO\u7684\u7535\u538b\u66f2\u7ebf;<\/p>\n \uff08b\uff09\u5728\u5145\u7535\u7535\u538b\u4f4e\u4e8e4 V\u548c\u9ad8\u4e8e4 V\u4e14\u4e2d\u6b620.5 h\u7684\u60c5\u51b5\u4e0b\uff0cLi2<\/sub>O2<\/sub>@CoO\u7684DEMS\u3001\u7535\u538b\u66f2\u7ebf;<\/p>\n \uff08c\uff09\u5b8c\u5168\u653e\u7535\uff08A\uff09\u3001\u5145\u7535\u81f34 V\u65f6\uff08B\uff09\u3001\u5b8c\u5168\u5145\u7535\uff08C\uff09\u7684Li2<\/sub>O2<\/sub>@CoO\u548c\u7eafCoO\u6b63\u6781\uff08O\uff09\u7684SEM\u56fe\u50cf;<\/p>\n \uff08d\uff09Li2<\/sub>O2<\/sub>@CoO\u7684\u5f62\u8c8c\u53d8\u5316\u793a\u610f\u56fe\u3002<\/p>\n \u56fe<\/strong> 3 Li2<\/sub>O2<\/sub>@CoO<\/strong>\u7684\u7535\u8377\u8ba1\u7b97\u8fc7\u7a0b<\/strong><\/p>\n \uff08a\uff09\u53cd\u5e94\u8def\u5f84\u4e3aLi+<\/sup>\u2192Li+<\/sup>\u2192O2<\/sub>\u7684Li2<\/sub>O2<\/sub>@CoO\u7684\u7ed3\u6784\uff1b<\/p>\n 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<\/strong>\u9ad8\u6d3b\u6027\u6b63\u6781\u6750\u6599\u7684\u9ad8\u901a\u91cf\u7b5b\u9009<\/strong><\/p>\n \uff08a\uff09\u5316\u5b66\u8131\u9644\u8fc7\u7a0b\u5bf9\u5145\u7535\u7535\u4f4d\u8d21\u732e\u4e0e\u7535\u8d1f\u6027\u5dee\u5f02\u8bf1\u5bfc\u80fd\u91cfEED<\/sub><\/em>\u4e4b\u95f4\u7684\u5173\u7cfb;<\/p>\n \uff08b\uff09\u754c\u9762\u7535\u8377\u8f6c\u79fb\u52bf\u5792\u4e0e\u5176\u5bf9\u5145\u7535\u7535\u4f4d\u8d21\u732e\u5448\u7ebf\u6027\u5173\u7cfb\uff1b<\/p>\n \uff08c\uff09Li2<\/sub>O2<\/sub>\u4e2d\u7684O2<\/sub>2-<\/sup>\u03c0*\u80fd\u7ea7\u548c\u6b63\u6781CBM\u4e4b\u95f4\u7684\u80fd\u7ea7\u5dee\u5bf9\u8ba1\u7b97\u7684\u5145\u7535\u7535\u4f4d\u7684\u5173\u7cfb\u89c4\u5f8b;<\/p>\n \uff08d\uff09\u7b5b\u9009\u7684\u5145\u7535\u7535\u4f4d<3.7 V\u7684\u9ad8\u6d3b\u6027\u6b63\u6781\u6750\u6599\uff0c\u5e76\u5c06\u5176\u4e0eTiC\u3001MnO2<\/sub>\u3001RuO2<\/sub>\u548cIrO2<\/sub>\u5b9e\u9a8c\u83b7\u5f97\u6570\u636e\u7684\u5bf9\u6bd4\u56fe\u3002<\/p>\n 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