{"id":132966,"date":"2018-04-03T06:30:42","date_gmt":"2018-04-02T22:30:42","guid":{"rendered":"\/\/m.iemloyee.com\/?p=132966"},"modified":"2018-04-02T11:26:20","modified_gmt":"2018-04-02T03:26:20","slug":"%e5%8e%a6%e9%97%a8%e5%a4%a7%e5%ad%a6adv-energy-mater-%e5%89%91%e9%ba%bb%e7%8a%b6co9s8%e6%b0%a7%e7%94%b5%e6%9e%81%e6%94%b9%e5%96%84%e9%94%82%e6%b0%a7%e6%b0%94%e7%94%b5%e6%b1%a0%e4%ba%a7%e7%89%a9","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=132966","title":{"rendered":"\u53a6\u95e8\u5927\u5b66Adv. Energy Mater.: \u5251\u9ebb\u72b6Co9S8\u6c27\u7535\u6781\u6539\u5584\u9502\u6c27\u6c14\u7535\u6c60\u4ea7\u7269\/\u7535\u6781\u63a5\u89e6\u754c\u9762\u53ca\u7535\u5316\u5b66\u6027\u80fd"},"content":{"rendered":"

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

\u975e\u6c34\u7cfb\u9502\u6c27\u6c14\uff08Li-O2<\/sub>\uff09\u7535\u6c60\u4e3b\u8981\u662f\u57fa\u4e8eLi2<\/sub>O2<\/sub>\u7684\u751f\u6210\u4e0e\u5206\u89e3\u6765\u8fdb\u884c\u80fd\u91cf\u7684\u5b58\u50a8\uff0c\u7531\u4e8e\u5176\u91c7\u7528\u91d1\u5c5e\u9502\u4f5c\u4e3a\u8d1f\u6781\uff0c\u7a7a\u6c14\u4e2d\u7684\u6c27\u6c14\u4f5c\u4e3a\u6b63\u6781\u7684\u6d3b\u6027\u7269\u8d28\uff0c\u56e0\u800c\u5177\u6709\u6781\u9ad8\u7684\u7406\u8bba\u80fd\u91cf\u5bc6\u5ea6\uff0c\u53ef\u8fbe\u73b0\u6709\u9502\u79bb\u5b50\u7535\u6c60\u768410\u500d\u5de6\u53f3\uff0c\u751a\u81f3\u80fd\u4e0e\u6c7d\u6cb9\u76f8\u5ab2\u7f8e\uff0c\u88ab\u8ba4\u4e3a\u662f\u4e00\u4ee3\u6240\u8c13\u201c\u7ec8\u6781\u201d\u5316\u5b66\u7535\u6e90\u3002\u867d\u7136\u9502\u6c27\u6c14\u7535\u6c60\u662f\u975e\u5e38\u6709\u5438\u5f15\u529b\u7684\u7535\u5316\u5b66\u50a8\u80fd\u4f53\u7cfb\uff0c\u4f46\u8981\u5b9e\u73b0\u5176\u5e7f\u6cdb\u5e94\u7528\uff0c\u4ecd\u7136\u6709\u5f88\u591a\u56f0\u96be\u9700\u8981\u514b\u670d\u3002\u5bf9\u5176\u4e2d\u5173\u952e\u7684\u6c27\u7535\u6781\u800c\u8a00\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e09\u4e2a\u65b9\u9762\u7684\u95ee\u9898\uff1a\uff081\uff09\u6c14\u4f53\u7535\u6781\u7ed3\u6784\u95ee\u9898\u3002\u4e0d\u6eb6\u7684\u653e\u7535\u4ea7\u7269Li2<\/sub>O2<\/sub>\u5bb9\u6613\u5835\u585e\u6c27\u7535\u6781\uff0c\u963b\u788d\u6c27\u6c14\u7684\u6269\u6563\u4e0e\u8fdb\u4e00\u6b65\u53cd\u5e94\uff0c\u4f7f\u5f97\u5176\u5b9e\u9645\u653e\u7535\u5bb9\u91cf\u8fdc\u8fdc\u4f4e\u4e8e\u7406\u8bba\u653e\u7535\u5bb9\u91cf\uff1b\uff082\uff09\u6c27\u6c14\u53cd\u5e94\u7684\u52a8\u529b\u5b66\u95ee\u9898\u3002\u6c27\u6c14\u5728\u6c27\u7535\u6781\u4e0a\u7684\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u8f83\u4e3a\u7f13\u6162\uff0c\u5bfc\u81f4\u5145\u653e\u7535\u8fc7\u7a0b\u7684\u8fc7\u7535\u4f4d\u8f83\u5927\uff08\u901a\u5e38\u5927\u4e8e1 V\uff09\uff1b\uff083\uff09\u754c\u9762\u95ee\u9898\u3002\u653e\u7535\u4ea7\u7269Li2<\/sub>O2<\/sub>\u4e0e\u6c27\u7535\u6781\u7684\u63a5\u89e6\u754c\u9762\u95ee\u9898\uff0c\u76f4\u63a5\u5f71\u54cd\u5145\u7535\u8fc7\u7a0b\uff0c\u4f7f\u5f97Li2<\/sub>O2<\/sub>\u4e0d\u80fd\u88ab\u5b8c\u5168\u5206\u89e3\uff0c\u9020\u6210\u9502\u7a7a\u6c14\u7535\u6c60\u7684\u53ef\u9006\u6027\u8f83\u5dee\u3002\u56e0\u6b64\uff0c\u8bbe\u8ba1\u548c\u5f00\u53d1\u4e00\u79cd\u65e2\u80fd\u4fc3\u8fdb\u6c27\u6c14\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u52a8\u529b\u5b66\uff0c\u53c8\u80fd\u6539\u5584\u653e\u7535\u4ea7\u7269\u5b58\u50a8\u4ee5\u53ca\u653e\u7535\u4ea7\u7269\/\u6c27\u7535\u6781\u63a5\u89e6\u754c\u9762\u7b49\u95ee\u9898\u7684\u6c27\u7535\u6781\u6781\u5177\u6311\u6218\u6027\u3002<\/p>\n

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

\u57fa\u4e8e\u4ee5\u4e0a\u95ee\u9898\uff0c\u8fd1\u671f\uff0c\u53a6\u95e8\u5927\u5b66\u5316\u5b66\u5316\u5de5\u5b66\u9662\u8463\u5168\u5cf0\u6559\u6388\u8bfe\u9898\u7ec4<\/strong>\u8bbe\u8ba1\u548c\u5408\u6210\u51fa\u4e00\u79cd\u5177\u6709\u5f00\u653e\u5f0f\u7ed3\u6784\u7684\u5251\u9ebb\u72b6Co9<\/sub>S8<\/sub>\u6750\u6599\uff0c\u5e76\u9996\u6b21\u5c06\u5176\u4f5c\u4e3a\u9502\u6c27\u6c14\u7535\u6c60\u6b63\u6781\u3002\u901a\u8fc7\u7cfb\u7edf\u7684\u7814\u7a76\u53d1\u73b0\uff0c\u5176\u5f00\u653e\u5f0f\u7ed3\u6784\u4e0d\u4ec5\u4e3a\u53cd\u5e94\u4ea7\u7269\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u50a8\u5b58\u7a7a\u95f4\uff0c\u6709\u6548\u907f\u514d\u4e0d\u6eb6Li2<\/sub>O2<\/sub>\u5bf9\u6c27\u7535\u6781\u7684\u5835\u585e\u3002\u800c\u4e14\uff0c\u7279\u6b8a\u7684\u5f00\u653e\u5f0f\u7ed3\u6784\u6709\u5229\u4e8e\u6c27\u6c14\u7684\u4fd8\u83b7\u4e0e\u91ca\u653e\uff0c\u4e3a\u9ad8\u6548\u5feb\u901f\u7535\u6781\u53cd\u5e94\u63d0\u4f9b\u4fdd\u969c\uff1b\u5176\u6b21\uff0cCo9<\/sub>S8<\/sub>\u5177\u6709\u4f18\u5f02\u7684\u50ac\u5316\u6d3b\u6027\uff0c\u6709\u6548\u6539\u5584\u4e86\u6c27\u6c14\u53cd\u5e94\u52a8\u529b\u5b66\uff0c\u5927\u5e45\u5ea6\u63d0\u9ad8\u4e86\u7535\u6781\u53cd\u5e94\u901f\u5ea6\uff1b\u6700\u540e\uff0cCo9<\/sub>S8<\/sub>\u4e5f\u5177\u6709\u826f\u597d\u7684\u6c27\u6c14\u4eb2\u548c\u6027\uff0c\u53ef\u4ee5\u8bf1\u5bfc\u6c27\u6c14\u5728Co9<\/sub>S8<\/sub>\u7eb3\u7c73\u68d2\u8868\u9762\u53cd\u5e94\u751f\u6210\u8fc7\u6c27\u5316\u9502\uff0c\u5f62\u6210\u4f18\u5f02\u7684Li2<\/sub>O2<\/sub>\/\u7535\u6781\u63a5\u89e6\u754c\u9762\uff0c\u4ece\u800c\u6709\u5229\u4e8e\u5145\u7535\u8fc7\u7a0b\u4e2d\u5145\u5206\u53d1\u6325Co9<\/sub>S8<\/sub>\u7684\u50ac\u5316\u6548\u7387\uff0c\u4fc3\u8fdbLi2<\/sub>O2<\/sub>\u7684\u5b8c\u5168\u5206\u89e3\u3002\u6240\u4ee5\uff0c\u8be5Co9<\/sub>S8<\/sub>\u6c27\u7535\u6781\u7efc\u5408\u89e3\u51b3\u4e86\u4e0a\u8ff0\u4e09\u4e2a\u65b9\u9762\u7684\u95ee\u9898\uff0c\u76f8\u5e94\u7684\u9502\u6c27\u6c14\u7535\u6c60\u4e5f\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u7535\u5316\u5b66\u6027\u80fd\u3002\u572850 mA g-1<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u53ef\u4ee5\u83b7\u5f97\u9ad8\u8fbe~6875 mAh g-1<\/sup>\u7684\u653e\u7535\u5bb9\u91cf\uff0c\u5728\u63a7\u5236\u653e\u7535\u5bb9\u91cf\u4e3a1000 mAh g-1<\/sup>\u7684\u6761\u4ef6\u4e0b\uff0c\u53ef\u4ee5\u5c06\u5145\u653e\u7535\u8fc7\u7535\u4f4d\u964d\u4f4e\u81f30.57 V\uff0c\u4f18\u4e8e\u76ee\u524d\u5df2\u62a5\u9053\u7684\u6c27\u5316\u7269\u57fa\u50ac\u5316\u5242\u3002\u540c\u65f6\uff0c\u8bfe\u9898\u7ec4\u7ed3\u5408\u5b9e\u9a8c\u4e0e\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\uff0c\u63d0\u51fa\u4e86Li2<\/sub>O2<\/sub>\u7684\u5f62\u6210\u673a\u7406\uff0c\u5bf9\u8bbe\u8ba1\u548c\u4f18\u5316\u6c14\u4f53\u7535\u6781\u5177\u6709\u7406\u8bba\u6307\u5bfc\u610f\u4e49\u3002\u76f8\u5173\u6210\u679c\u4ee5\u201cAn open-structured matrix as oxygen cathode with high catalytic activity and large Li2<\/sub>O2<\/sub> accommodations for lithium-oxygen batteries\u201d\u4e3a\u9898\u53d1\u8868\u5728Advanced Energy Materials\u4e0a\u3002<\/p>\n

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

\u56fe<\/strong>1. <\/strong>\u5251\u9ebb\u72b6<\/strong>Co9<\/sub>S8<\/sub><\/strong>\u6c27\u7535\u6781\u7684\u53cd\u5e94\u8fc7\u7a0b\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

\u672c\u9879\u5de5\u4f5c\u7684\u7814\u7a76\u601d\u8def\uff1a\u6784\u7b51\u5177\u6709\u5f00\u653e\u5f0f\u7ed3\u6784\u7684\u6c27\u6b63\u6781\uff0c\u540c\u65f6\u5177\u6709\u5408\u9002\u7684\u6c27\u6c14\u4eb2\u548c\u6027\u548c\u4f18\u5f02\u7684\u53cc\u529f\u80fd\u50ac\u5316\u6d3b\u6027\u3002\u4f7f\u5176\u4e0d\u4ec5\u53ef\u4ee5\u4fc3\u8fdb\u6c27\u6c14\u6c27\u5316\u8fd8\u539f\u7684\u52a8\u529b\u5b66\uff08\u50ac\u5316\u56e0\u7d20\uff09\uff0c\u4e5f\u53ef\u4ee5\u5bb9\u7eb3\u8f83\u591a\u7684\u653e\u7535\u4ea7\u7269\uff0c\u540c\u65f6\u80fd\u591f\u6709\u5229\u4e8e\u6c27\u6c14\u7684\u6790\u51fa\u548c\u4fd8\u83b7\uff08\u7ed3\u6784\u56e0\u7d20\uff09\u3002<\/p>\n

\u56fe<\/strong>2. <\/strong>\u5251\u9ebb\u72b6<\/strong>Co9<\/sub>S8<\/sub><\/strong>\u6c27\u7535\u6781\u7684\u5408\u6210\u793a\u610f\u56fe<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

Co9<\/sub>S8<\/sub>-PCF\u7684\u5236\u5907\u8fc7\u7a0b\uff1a<\/p>\n

(1) \u9996\u5148\uff0c\u5728\u78b3\u5e03\u8868\u9762\u8d1f\u8f7d\u5bfc\u7535\u70ad\u9ed1\u9897\u7c92\u5236\u5907\u591a\u5b54\u78b3\u7b94\u7535\u6781\uff08PCF\uff09<\/p>\n

(2) \u901a\u8fc7\u6c34\u70ed\u53cd\u5e94\u5c06\u5251\u9ebb\u72b6\u7684\u524d\u9a71\u4f53\u539f\u4f4d\u751f\u957f\u5728PCF\u4e0a<\/p>\n

(3) \u5c06\u524d\u9a71\u4f53\u9ad8\u6e29\u7145\u70e7\u83b7\u5f97CoO-PCF<\/p>\n

(4) \u901a\u8fc7\u6c34\u70ed\u786b\u5316\u53cd\u5e94\u5c06CoO-PCF\u8f6c\u5316\u6210Co9<\/sub>S8<\/sub>-PCF<\/p>\n

\u56fe<\/strong>3. <\/strong>\u5251\u9ebb\u72b6<\/strong>Co9<\/sub>S8<\/sub><\/strong>\u6c27\u7535\u6781\u53ca\u5176\u524d\u9a71\u4f53<\/strong>CoO<\/strong>\u7684<\/strong>XRD<\/strong>\u548c<\/strong>XPS<\/strong>\u8c31\u56fe<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a-b) XRD\u8c31\u56fe\u663e\u793aCoO-PCF\u7684\u884d\u5c04\u5cf0\u4e0e\u9762\u5fc3\u7acb\u65b9\u7ed3\u6784\u3001Fmm\u7a7a\u95f4\u7fa4\u7684CoO\u6807\u51c6\u5361\u7247(JCPDS No. 03-065-2902)\u76f8\u4e00\u81f4\uff1b\u800cCo9<\/sub>S8<\/sub>-PCF\u7684\u884d\u5c04\u5cf0\u5bf9\u5e94\u9762\u5fc3\u7ed3\u6784\u3001Fmm\u7a7a\u95f4\u7fa4\u7684Co9<\/sub>S8<\/sub>\u6807\u51c6\u5361\u7247(JCPDS No. 03-065-6801)<\/p>\n

(c) CoO-PCF\u6837\u54c1\u663e\u793a\u51fa\u4e24\u4e2a\u4e3b\u5cf0\u4f4d\u4e8e780.6 eV\u548c796.5 eV\uff0c\u5206\u522b\u5bf9\u5e94CoO\u7684Co 2p3\/2<\/sub>\u548cCo 2p1\/2<\/sub>\uff0c\u53e6\u5916\uff0c\u4f4d\u4e8e786.1 eV\u548c802.4 eV\u7684\u4e24\u4e2a\u536b\u661f\u5cf0\u8fdb\u4e00\u6b65\u8bc1\u660e\u4e86Co2+<\/sup>\u7684\u5b58\u5728\u3002\u800c\u5bf9\u4e8eCo9<\/sub>S8<\/sub>-PCF\u6837\u54c1\uff0c\u5219\u663e\u793a\u51fa\u4e86\u5b8c\u5168\u4e0d\u4e00\u6837\u7684\u66f2\u7ebf\u7279\u5f81\uff0c\u4f4d\u4e8e778.2 eV \u548c 793.2 eV\u7684\u4e24\u4e2a\u5cf0\u5206\u522b\u5bf9\u5e94Co9<\/sub>S8<\/sub>\u7684Co 2p3\/2<\/sub>\u548cCo 2p1\/2<\/sub><\/p>\n

(d) CoO-PCF\u6837\u54c1\u6ca1\u6709S\u7684\u4fe1\u53f7\uff0c\u800c\u5728\u786b\u5316\u53cd\u5e94\u4e4b\u540e\u5374\u51fa\u73b0\u4e86\u4e0eCo9<\/sub>S8<\/sub> S2p\u76f8\u4e00\u81f4\u7684\u786b\u4fe1\u53f7\uff0c\u8bf4\u660e\u4e86CoO\u6210\u529f\u5730\u8f6c\u5316\u6210\u4e86Co9<\/sub>S8<\/sub><\/p>\n

\u56fe<\/strong>4. <\/strong>\u5251\u9ebb\u72b6<\/strong>Co9<\/sub>S8<\/sub><\/strong>\u6c27\u7535\u6781\u53ca\u5176\u524d\u9a71\u4f53<\/strong>CoO<\/strong>\u7684\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a-c) SEM\u548cTEM\u56fe\u663e\u793a\u51faCoO-PCF\u6837\u54c1\u4e3b\u8981\u662f\u75311D\u7684\u9488\u72b6\u7eb3\u7c73\u68d2\u7ec4\u88c5\u800c\u6210\uff0c\u5e76\u5f62\u62103D\u7684\u5251\u9ebb\u72b6\u7ed3\u6784\uff0c\u8fd9\u4e9b\u5251\u9ebb\u72b6\u7ed3\u6784\u4e92\u76f8\u8fde\u63a5\u5f62\u6210\u4e00\u4e2a\u5927\u7f51\u7edc\u7ed3\u6784\u951a\u5b9a\u5728PCF\u8868\u9762\uff0c\u8fd9\u4e00\u5f00\u653e\u5f0f\u7ed3\u6784\u65e2\u6709\u5229\u4e8e\u6c27\u6c14\u7684\u4fd8\u83b7\u548c\u91ca\u653e\uff0c\u4e5f\u6709\u5229\u4e8e\u7535\u89e3\u6db2\u7684\u6d78\u6da6<\/p>\n

(d) \u9ad8\u5206\u8fa8TEM\u56fe\u4e2d0.246 nm\u95f4\u8ddd\u7684\u6676\u683c\u6761\u7eb9\u5bf9\u5e94\u7acb\u65b9\u7ed3\u6784CoO\u7684(111)\u6676\u9762\uff0c\u4e0eXRD\u7ed3\u679c\u4e00\u81f4<\/p>\n

(e) HAADF-STEM\u56fe\u548c\u76f8\u5e94\u7684EDX\u8c31\u56fe\u8bf4\u660e\u4e86Co\u548cO\u5143\u7d20\u5728\u4e00\u7ef4\u7684\u9488\u5c16\u72b6\u7eb3\u7c73\u68d2\u4e2d\u5206\u5e03\u975e\u5e38\u5747\u5300\uff0c\u6807\u5c3a\u4e3a100 nm<\/p>\n

(f-h) Co9<\/sub>S8<\/sub>-PCF\u7684SEM \u548cTEM\u56fe\u8bf4\u660e\u4e86\u5728\u786b\u5316\u53cd\u5e94\u540e\uff0c\u4e00\u7ef4\u9488\u5c16\u72b6\u7eb3\u7c73\u68d2\u548c\u4e09\u7ef4\u5251\u9ebb\u72b6\u7ed3\u6784\u5e76\u6ca1\u6709\u53d1\u751f\u53d8\u5316<\/p>\n

(i) \u9ad8\u5206\u8fa8TEM\u56fe\u4e2d0.299 nm\u95f4\u8ddd\u7684\u6676\u683c\u6761\u7eb9\u5bf9\u5e94\u7acb\u65b9\u7ed3\u6784Co9<\/sub>S8<\/sub>\u7684(311)\u6676\u9762\uff0c\u4e5f\u4e0eXRD\u7ed3\u679c\u4e00\u81f4<\/p>\n

(j) HAADF-STEM\u56fe\u548c\u76f8\u5e94\u7684EDX\u8c31\u56fe\u4e5f\u8bf4\u660e\u4e86Co\u548cS\u5143\u7d20\u5728\u4e00\u7ef4\u9488\u5c16\u72b6\u7eb3\u7c73\u68d2\u4e2d\u5206\u5e03\u975e\u5e38\u5747\u5300\uff0c\u6807\u5c3a\u4e3a100 nm<\/p>\n

\u56fe<\/strong>5. <\/strong>\u7535\u5316\u5b66\u6027\u80fd\u6d4b\u8bd5<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a-b) \u572850 mA g-1<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u63a7\u52361000 mAh g-1<\/sup>\u7684\u653e\u7535\u5bb9\u91cf\uff0c\u57fa\u4e8ePCF\u7535\u6781\u7684\u9502\u6c27\u6c14\u7535\u6c60\u663e\u793a\u51fa\u826f\u597d\u7684ORR\u50ac\u5316\u6d3b\u6027\uff0c\u4f46\u662fOER\u50ac\u5316\u6d3b\u6027\u5f88\u5dee\u3002CoO-PCF\u7535\u6781\u5177\u6709\u4e00\u5b9a\u7684OER\u50ac\u5316\u6027\u80fd\uff0c\u4f46\u5bf9PCF\u7535\u6781\u7684ORR\u8fc7\u7535\u4f4d\u5374\u51e0\u4e4e\u6ca1\u6709\u6539\u5584\u3002\u800cCo9<\/sub>S8<\/sub>-PCF\u5219\u540c\u65f6\u5177\u6709\u8f83\u597d\u7684ORR\u50ac\u5316\u6d3b\u6027\u548cOER\u50ac\u5316\u6d3b\u6027<\/p>\n

(c) \u572850 mA g-1<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u867d\u7136\u57fa\u4e8eCoO-PCF\u7535\u6781\u7684\u9502\u6c27\u6c14\u7535\u6c60\u53ef\u4ee5\u91ca\u653e\u51fa~5719 mAh g-1<\/sup>\u7684\u653e\u7535\u5bb9\u91cf\uff0c\u4f46\u662f\u5728\u5145\u7535\u8fc7\u7a0b\u4e2d\u5374\u663e\u793a\u51fa\u4e86\u8f83\u5927\u7684\u6781\u5316\u548c\u8f83\u5dee\u7684\u53ef\u9006\u6027\u3002\u800c\u57fa\u4e8eCo9<\/sub>S8<\/sub>-PCF\u7535\u6781\u7684\u9502\u6c27\u6c14\u7535\u6c60\u4e0d\u4ec5\u53ef\u4ee5\u83b7\u5f97\u9ad8\u8fbe~6875 mAh g-1<\/sup>\u7684\u653e\u7535\u5bb9\u91cf\uff0c\u800c\u4e14\u4e5f\u663e\u793a\u51fa\u4e86\u8f83\u5c0f\u7684\u5145\u7535\u8fc7\u7535\u4f4d\u548c\u8f83\u597d\u7684\u53ef\u9006\u6027<\/p>\n

(d) \u572850 mA g-1<\/sup>\uff0c100 mA g-1<\/sup>\uff0c200 mA g-1<\/sup>\u548c300 mA g-1<\/sup>\u7684\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u57fa\u4e8eCo9<\/sub>S8<\/sub>-PCF\u7535\u6781\u7684\u9502\u6c27\u6c14\u7535\u6c60\u53ef\u4ee5\u5206\u522b\u83b7\u5f97~ 6875 mAh g-1<\/sup>\uff0c~5941 mAh g-1<\/sup>\uff0c~4767 mAh g-1<\/sup> \u548c~3825 mAh g-1<\/sup>\u7684\u653e\u7535\u5bb9\u91cf<\/p>\n

(e) \u5728100 mA g-1<\/sup>\u7535\u6d41\u5bc6\u5ea6\u4e0b\uff0c\u63a7\u5236\u653e\u7535\u5bb9\u91cf\u4e3a500 mAh g-1<\/sup>\u65f6\uff0c\u57fa\u4e8eCoO-PCF\u548cCo9<\/sub>S8<\/sub>-PCF\u7535\u6781\u7684\u9502\u6c27\u6c14\u7535\u6c60\u7684\u5faa\u73af\u6027\u80fd<\/p>\n

\u56fe<\/strong>6. <\/strong>\u653e\u7535\u4ea7\u7269\u7684<\/strong>SEM<\/strong>\u8868\u5f81<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a-c) \u5728\u7535\u6c60\u653e\u7535\u540e\uff0c\u8bb8\u591a\u7ee3\u7403\u82b1\u72b6\u7684\u4ea7\u7269\u4e0d\u89c4\u5219\u5730\u5806\u79ef\u5728CoO-PCF\u7535\u6781\u4e0a\u3002\u6709\u4e00\u90e8\u5206\u7c92\u5b50\u8986\u76d6\u5728CoO\u9488\u5c16\u72b6\u7eb3\u7c73\u68d2\u4e0a\uff0c\u800c\u6709\u4e00\u4e9b\u7c92\u5b50\u5219\u662f\u5806\u79ef\u5728\u5176\u4ed6\u4ea7\u7269\u7c92\u5b50\u4e0a\u9762\uff0c\u4f7f\u5f97\u653e\u7535\u4ea7\u7269\u548c\u7535\u6781\u7684\u63a5\u89e6\u754c\u9762\u8f83\u5dee<\/p>\n

(d-f) \u76f8\u53cd\u5730\uff0c\u5728\u7535\u6c60\u653e\u7535\u540e\uff0c\u7ee3\u7403\u82b1\u72b6\u7684\u653e\u7535\u4ea7\u7269\u5747\u5300\u5730\u5305\u88f9\u5728Co9<\/sub>S8<\/sub>\u7684\u9488\u5c16\u72b6\u7eb3\u7c73\u68d2\u7684\u5916\u7f18\u5904\uff0c\u50cf\u662f\u82b1\u857e\u957f\u5728\u82b1\u5e72\u4e0a\uff0c\u5f62\u6210\u4e86\u8f83\u597d\u7684\u653e\u7535\u4ea7\u7269\/\u7535\u6781\u63a5\u89e6\u754c\u9762<\/p>\n

\u56fe<\/strong>7. <\/strong>\u653e\u7535\u4ea7\u7269\u7684<\/strong>TEM<\/strong>\u8868\u5f81<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a) \u900f\u5c04\u7535\u955c\u4e0b\u89c2\u5bdf\u5230\u7684Co9<\/sub>S8<\/sub>-PCF\u7535\u6781\u7684\u653e\u7535\u4ea7\u7269\u5f62\u8c8c\u4e0e\u626b\u63cf\u7535\u955c\u7684\u7ed3\u679c\u76f8\u4e00\u81f4<\/p>\n

(b) Co9<\/sub>S8<\/sub>-PCF\u7535\u6781\u653e\u7535\u540e\u7684\u4ea7\u7269\u76840.257 nm\u95f4\u8ddd\u7684\u6676\u683c\u6761\u7eb9\u4e0eLi2<\/sub>O2<\/sub>\u7684(201)\u6676\u9762\u76f8\u4e00\u81f4\uff0c\u8bc1\u660e\u4e86\u626b\u63cf\u7535\u955c\u4e0b\u89c2\u5bdf\u5230\u7684\u4ea7\u7269\u786e\u5b9e\u662fLi2<\/sub>O2<\/sub><\/p>\n

(c)\u4e0e\u56fe(b)\u4e2d\u76f8\u5bf9\u5e94\u7684FFT\u8c31\u56fe\u4e5f\u5145\u5206\u8bc1\u660e\u4e86\u8be5\u4ea7\u7269\u4e3aLi2<\/sub>O2<\/sub><\/p>\n

\u56fe<\/strong>8. Co9<\/sub>S8<\/sub><\/strong>\u6c27\u7535\u6781\u53ca\u5176\u524d\u9a71\u4f53<\/strong>CoO<\/strong>\u5bf9\u6c27\u6c14\u7684\u5438\u9644\u884c\u4e3a<\/strong><\/p>\n

\"\"<\/strong><\/p>\n

(a-c) O2<\/sub>\u5728CoO (111), (220)\u548c(200)\u7b49\u6676\u9762\u4e0a\u5438\u9644\u7684\u6700\u4f18\u5316\u7ed3\u6784<\/p>\n

(d-f) O2<\/sub>\u5728Co9<\/sub>S8<\/sub> (440), (111)\u548c(311)\u7b49\u6676\u9762\u4e0a\u5438\u9644\u7684\u6700\u4f18\u5316\u7ed3\u6784<\/p>\n

DFT\u8ba1\u7b97\u7ed3\u679c\u8868\u660e\uff0c\u4e0eCoO\u76f8\u6bd4\uff0cCo9<\/sub>S8<\/sub>\u6709\u7740\u66f4\u5f3a\u7684O2<\/sub>\u4eb2\u548c\u6027\uff0c\u56e0\u6b64\uff0c\u6709\u5229\u4e8e\u4fc3\u8fdbO2<\/sub>\u5728Co9<\/sub>S8<\/sub>\u8868\u9762\u53cd\u5e94\u751f\u6210Li2<\/sub>O2<\/sub><\/p>\n

\u7ed3\u5408\u5b9e\u9a8c\u7ed3\u679c\uff08\u8865\u5145\u4fe1\u606f\u4e2d\u8fd8\u8bc1\u660e\u4e86LiO2<\/sub>\u7684\u5b58\u5728\uff09\uff0c\u63a8\u6d4b\u7531\u4e8eCoO\u5bf9\u6c27\u6c14\u7684\u5438\u9644\u8f83\u5f31\uff0c\u5bfc\u81f4\u5728\u653e\u7535\u8fc7\u7a0b\u4e2dLi2<\/sub>O2<\/sub>\u4e3b\u8981\u662f\u901a\u8fc7\u5747\u76f8\u6210\u6838\u7684\u65b9\u5f0f\u751f\u957f\uff08O2<\/sub>(sol) + e–<\/sup> + Li+<\/sup>(sol) \u2192 LiO2<\/sub>(sol) (1)\uff1b2LiO2<\/sub>(sol) \u2192 Li2<\/sub>O2<\/sub> + O2<\/sub> (2)\uff09\uff0c\u4ece\u800c\u5f62\u6210\u8f83\u5dee\u7684Li2<\/sub>O2<\/sub>\/CoO\u63a5\u89e6\u754c\u9762\u8f83\u5dee<\/p>\n

\u800cCo9<\/sub>S8<\/sub>\u5177\u6709\u8f83\u5f3a\u7684\u6c27\u6c14\u4eb2\u548c\u6027\uff0c\u53ef\u4ee5\u8bf1\u5bfc\u6c27\u6c14\u5728\u5176\u7eb3\u7c73\u68d2\u4e0a\u8fdb\u884c\u7535\u5316\u5b66\u53cd\u5e94\uff0c\u4f7fLi2<\/sub>O2<\/sub>\u5728\u653e\u7535\u8fc7\u7a0b\u4e2d\u4ee5\u5f02\u76f8\u6210\u6838\u7684\u65b9\u5f0f\u751f\u957f\uff08O2<\/sub> + * \u2192 O2<\/sub>* (3)\uff1bO2<\/sub>* + e–<\/sup> + Li+<\/sup>(sol) \u2192 LiO2<\/sub>* (4)\uff1bLiO2<\/sub>* + e– <\/sup>+ Li+<\/sup>(sol) \u2192 Li2<\/sub>O2<\/sub> (5)\uff1b2LiO2<\/sub>* \u2192 Li2<\/sub>O2<\/sub> + O2<\/sub> (6)\uff09\uff0c\u5f62\u6210\u8f83\u597d\u7684Li2<\/sub>O2<\/sub>\/Co9<\/sub>S8<\/sub>\u63a5\u89e6\u754c\u9762<\/p>\n

\u3010\u5c0f\u7ed3\u3011<\/strong><\/p>\n

\u53d7\u76ca\u4e8e\u5176\u8f83\u597d\u7684\u50ac\u5316\u5242\/\u4ea7\u7269\u63a5\u89e6\u754c\u9762\u3001\u9ad8\u6548\u7684\u6c27\u6c14\u6c27\u5316\u8fd8\u539f\u50ac\u5316\u6d3b\u6027\u3001\u4e30\u5bcc\u7684Li2<\/sub>O2<\/sub>\u50a8\u5b58\u7a7a\u95f4\u548c\u5bb9\u6613\u7684O2<\/sub>\u6269\u6563\uff0cCo9<\/sub>S8<\/sub>-PCF\u7535\u6781\u663e\u793a\u51fa\u4f18\u5f02\u7684\u7535\u5316\u5b66\u6027\u80fd\u548c\u8f83\u597d\u7684\u53ef\u9006\u6027\u3002\u901a\u8fc7\u7ed3\u5408\u4e00\u7cfb\u5217\u7684\u8868\u5f81\u548c\u7406\u8bba\u8ba1\u7b97\u7ed3\u679c\uff0c\u8bfe\u9898\u7ec4\u63d0\u51fa\u7531\u4e8eCo9<\/sub>S8<\/sub>\u5177\u6709\u8f83\u597d\u7684\u6c27\u6c14\u4eb2\u548c\u6027\u4e0e\u7279\u6b8a\u7684\u5251\u9ebb\u72b6\u7ed3\u6784\uff0c\u53ef\u4ee5\u4f7fLi2<\/sub>O2<\/sub>\u9897\u7c92\u901a\u8fc7\u5f02\u76f8\u6210\u6838\u7684\u673a\u7406\u5747\u5300\u5730\u6c89\u79ef\u5728Co9<\/sub>S8<\/sub>\u7684\u7eb3\u7c73\u68d2\u4e0a\uff0c\u6709\u5229\u4e8e\u5145\u7535\u8fc7\u7a0b\u4e2dLi2<\/sub>O2<\/sub>\u7684\u53ef\u9006\u5206\u89e3\uff0c\u4ece\u800c\u4f7f\u5f97\u5145\u7535\u8fc7\u7535\u4f4d\u5927\u5e45\u5ea6\u964d\u4f4e\u3002\u8be5\u7814\u7a76\u5de5\u4f5c\u53ef\u4ee5\u542f\u53d1\u7814\u7a76\u8005\u4eec\u5982\u4f55\u4f18\u5316\u6c14\u4f53\u7535\u6781\u548c\u8bbe\u8ba1\u5185\u5728\u5408\u9002\u7684\u7535\u6781\u5f62\u8c8c\u4ee5\u5229\u4e8e\u6c27\u6c14\u6c27\u5316\u8fd8\u539f\u53cd\u5e94\u548cLi2<\/sub>O2<\/sub>\u7684\u50a8\u5b58\u3002<\/p>\n

\u6587\u732e\u94fe\u63a5<\/strong>\uff1aAn open-structured matrix as oxygen cathode with high catalytic activity and large Li2<\/sub>O2<\/sub> accommodations for lithium-oxygen batteries<\/a> (Adv. Energy Mater. 2018, DOI: 10.1002\/aenm.201800089)<\/p>\n

\u8bfe\u9898\u7ec4\u7b80\u4ecb\uff1a<\/strong><\/p>\n

\u8fd1\u5e74\u6765\uff0c\u8463\u5168\u5cf0\u6559\u6388\u8bfe\u9898\u7ec4\u4e00\u76f4\u81f4\u529b\u4e8e\u7535\u5316\u5b66\u50a8\u80fd\u7cfb\u7edf\u53ca\u5176\u5173\u952e\u6750\u6599\u7684\u7814\u7a76\uff0c\u5728\u9502\u79bb\u5b50\u7535\u6c60\u3001\u9502\u786b\u7535\u6c60\u3001\u9502\u6c27\u6c14\u7535\u6c60\u3001\u94a0\u79bb\u5b50\u7535\u6c60\u7b49\u9886\u57df\u90fd\u53d1\u8868\u4e86\u4e00\u7cfb\u5217\u91cd\u8981\u6210\u679c\uff08Energy Environ. Sci.,<\/em> 2012<\/strong>, 5,<\/em> 9765\u20139768; Adv. Mater.,<\/em> 2015<\/strong>, 27,<\/em> 4649\u20134654; Chem. Mater.,<\/em> 2015<\/strong>, 27,<\/em> 2048\u20132055; Energy Environ. Sci.,<\/em> 2016<\/strong>, 9,<\/em> 1998\u20132004; ACS Nano,<\/em> 2017<\/strong>, 11,<\/em> 6031\u20136039; ACS Nano,<\/em> 2017<\/strong>, 11,<\/em> 11417\u201311424; J. Am. Chem. Soc.,<\/em> 2018<\/strong>, 140<\/em>, 3134\u20133138; Adv. Energy Mater.,<\/em> 2018<\/strong>, 8<\/em>, 1701021.\uff09\u3002<\/p>\n

\u8be5\u7814\u7a76\u5de5\u4f5c\u4e3b\u8981\u662f\u7531\u80fd\u6e90\u6750\u6599\u5316\u5b66\u534f\u540c\u521b\u65b0\u4e2d\u5fc3\uff082011-i<\/em>ChEM\uff092015\u7ea7\u76f4\u535a\u751f\u6797\u6653\u4e1c\uff08\u7b2c\u4e00\u4f5c\u8005\uff09\u5728\u8463\u5168\u5cf0\u6559\u6388\u548c\u90d1\u660e\u68ee\u526f\u6559\u6388\u7684\u6307\u5bfc\u4e0b\u5b8c\u6210\uff0c\u7406\u8bba\u8ba1\u7b97\u90e8\u5206\u7531\u8881\u6c5d\u660e\u52a9\u7406\u6559\u6388\uff08\u5171\u540c\u4e00\u4f5c\uff09\u5b8c\u6210\uff0c\u535a\u58eb\u751f\u8521\u68ee\u8363\u3001\u6c5f\u53cb\u7ea2\u3001\u96f7\u6770\u3001\u5218\u4e09\u8d35\u7b49\u53c2\u4e0e\u4e86\u90e8\u5206\u5de5\u4f5c\u3002\u53a6\u95e8\u5927\u5b66\u7684\u5ed6\u6d2a\u94a2\u6559\u6388\u548c\u6cc9\u5dde\u5e08\u8303\u5b66\u9662\u7684\u5434\u542f\u8f89\u6559\u6388\u5206\u522b\u5728\u900f\u5c04\u7535\u5b50\u663e\u5fae\u955c\u548cX\u5c04\u7ebf\u5149\u7535\u5b50\u80fd\u8c31\u65b9\u9762\u63d0\u4f9b\u4e86\u79ef\u6781\u7684\u5e2e\u52a9\u4e0e\u652f\u6301\u3002\u53e6\u5916\uff0c\u53a6\u95e8\u5927\u5b66\u7684\u5085\u94a2\u6559\u6388\u5728\u7406\u8bba\u8ba1\u7b97\u65b9\u9762\u63d0\u51fa\u4e86\u5b9d\u8d35\u7684\u5efa\u8bae\u3002\u8be5\u7814\u7a76\u5f97\u5230\u4e86\u79d1\u6280\u90e8\u91cd\u5927\u57fa\u7840\u7814\u7a76\u8ba1\u5212\uff08973\u8ba1\u5212\uff0c\u9879\u76ee\u6279\u51c6\u53f7\uff1a2015CB251102\uff09\u3001\u56fd\u5bb6\u81ea\u7136\u79d1\u5b66\u57fa\u91d1\u59d4\uff08\u9879\u76ee\u6279\u51c6\u53f7\uff1a21673196\uff0c21621091\uff0c21703186\uff09\u548c\u4e2d\u592e\u9ad8\u6821\u57fa\u672c\u79d1\u7814\u4e1a\u52a1\u8d39\u4e13\u9879\u8d44\u91d1\uff08\u9879\u76ee\u6279\u51c6\u53f7\uff1a20720150042\uff09\u7684\u8d44\u52a9\u3002<\/p>\n

\u8be5\u8bba\u6587\u4f5c\u8005\u4e3a\uff1aXiaodong Lin, Ruming Yuan, Senrong Cai, Youhong Jiang, Jie Lei, San-Gui Liu, Qi-Hui Wu, Hong-Gang Liao, Mingsen Zheng* and Quanfeng Dong*<\/p>\n

\u672c\u6587\u7531\u53a6\u95e8\u5927\u5b66\u5316\u5b66\u5316\u5de5\u5b66\u9662\u8463\u5168\u5cf0\u6559\u6388\u8bfe\u9898\u7ec4\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\u5927\u5bb6\u5ead<\/a>\u3002\u5982\u679c\u4f60\u5bf9\u7535\u5b50\u6750\u6599\u611f\u5174\u8da3\uff0c\u613f\u610f\u4e0e\u7535\u5b50\u7535\u5de5\u9886\u57df\u4eba\u624d\u4ea4\u6d41\uff0c\u8bf7\u52a0\u5165\u6750\u6599\u4eba\u7535\u5b50\u7535\u5de5\u6750\u6599\u5b66\u4e60\u5c0f\u7ec4\uff08QQ\u7fa4\uff1a482842474\uff09\u3002<\/p>\n

\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

\u6295\u7a3f\u4ee5\u53ca\u5185\u5bb9\u5408\u4f5c\u53ef\u52a0\u7f16\u8f91\u5fae\u4fe1\uff1aRDD-2011-CHERISH , \u4efb\u4e39\u4e39\uff0c\u6211\u4eec\u4f1a\u9080\u8bf7\u5404\u4f4d\u8001\u5e08\u52a0\u5165\u4e13\u5bb6\u7fa4\u3002<\/p>\n

\u6750\u6599\u6d4b\u8bd5\uff0c\u6570\u636e\u5206\u6790\uff0c\u4e0a\u6d4b\u8bd5\u8c37<\/a>\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u975e\u6c34\u7cfb\u9502\u6c27\u6c14\uff08Li-O2\uff09\u7535\u6c60\u4e3b\u8981\u662f\u57fa\u4e8eLi2O2\u7684\u751f\u6210\u4e0e\u5206\u89e3\u6765\u8fdb\u884c\u80fd\u91cf\u7684\u5b58\u50a8\uff0c\u7531\u4e8e\u5176\u91c7\u7528\u91d1\u5c5e\u9502\u4f5c\u4e3a\u8d1f\u6781\uff0c\u7a7a\u6c14\u4e2d\u7684\u6c27\u6c14\u4f5c\u4e3a\u6b63\u6781\u7684\u6d3b\u6027\u7269\u8d28\uff0c\u56e0\u800c\u5177\u6709\u6781\u9ad8…<\/p>\n","protected":false},"author":99,"featured_media":132967,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215,2],"tags":[3008,31,3009],"class_list":["post-132966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-jiedu","category-keji","tag-co9s8","tag-dianzi","tag-3009"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/132966"}],"collection":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/users\/99"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=132966"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/132966\/revisions"}],"predecessor-version":[{"id":133080,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/132966\/revisions\/133080"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/media\/132967"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=132966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=132966"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=132966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}