{"id":201284,"date":"2020-05-09T06:06:56","date_gmt":"2020-05-08T22:06:56","guid":{"rendered":"\/\/m.iemloyee.com\/?p=201284"},"modified":"2020-05-07T23:08:21","modified_gmt":"2020-05-07T15:08:21","slug":"%e6%b9%96%e5%8d%97%e5%a4%a7%e5%ad%a6%e4%ba%8c%e7%bb%b4%e6%9d%90%e6%96%99%e8%af%be%e9%a2%98%e7%bb%84%e6%9c%b1%e5%bb%baiscience%ef%bc%9a%e5%85%b1%e4%bb%b7%e7%a1%92%e5%b5%8c%e5%85%a5%e5%a4%9a%e7%ba%a7","status":"publish","type":"post","link":"\/\/m.iemloyee.com\/?p=201284","title":{"rendered":"\u6e56\u5357\u5927\u5b66\u4e8c\u7ef4\u6750\u6599\u8bfe\u9898\u7ec4\u6731\u5efaiScience\uff1a\u5171\u4ef7\u7852\u5d4c\u5165\u591a\u7ea7\u591a\u5b54\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u6b63\u6781\u52a9\u529b\u8d85\u9ad8\u9762\u5bb9\u91cf\u9502-\u7852\u7535\u6c60"},"content":{"rendered":"

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

\u7531\u4e8e\u7852\u548c\u786b\u76f8\u4f3c\u7684\u7269\u7406\u5316\u5b66\u7279\u6027\uff0c\u9502-\u7852\u7535\u6c60\u5177\u6709\u548c\u9502-\u786b\u7535\u6c60\u76f8\u4f3c\u7684\u7406\u8bba\u4f53\u79ef\u6bd4\u5bb9\u91cf\uff083253 Ah L-1<\/sup>\uff09\u3002\u4ece\u7406\u8bba\u4e0a\u6765\u8bf4\uff0c\u7852\u7684\u91d1\u5c5e\u6027\u5f3a\u4e8e\u786b\uff0c\u7852\u6b63\u6781\u76f8\u8f83\u4e8e\u786b\u6b63\u6781\u5177\u6709\u66f4\u9ad8\u7684\u7535\u5b50\u7535\u5bfc\u7387\uff0810-3<\/sup> S m-1<\/sup>\uff09\u3001\u66f4\u9ad8\u7684\u6d3b\u6027\u7269\u8d28\u5229\u7528\u7387\u548c\u66f4\u597d\u7684\u500d\u7387\u6027\u80fd\u3002\u56e0\u6b64\u9502-\u7852\u7535\u6c60\u88ab\u8ba4\u4e3a\u662f\u6700\u6709\u53ef\u80fd\u66ff\u4ee3\u9502-\u786b\u7535\u6c60\u7684\u4e00\u79cd\u50a8\u80fd\u5668\u4ef6\u3002\u7136\u800c\uff0c\u9502-\u7852\u7535\u6c60\u4e5f\u4f1a\u906d\u53d7\u4e25\u91cd\u7684 \u201c\u7a7f\u68ad\u6548\u5e94\u201d\uff0c\u4ece\u800c\u9020\u6210\u9502-\u7852\u7535\u6c60\u5feb\u901f\u7684\u5bb9\u91cf\u8870\u51cf\u3002\u76ee\u524d\uff0c\u591a\u5b54\u78b3\u7403\u3001\u78b3\u7eb3\u7c73\u7ba1\u548c\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u7b49\u78b3\u8f7d\u4f53\u5e38\u88ab\u7528\u6765\u514b\u670d\u8fd9\u4e00\u6311\u6218\u3002\u4f46\u662f\uff0c\u5f53\u524d\u7684\u7814\u7a76\u4e3b\u8981\u5c40\u9650\u4e8e\u4f4e\u7535\u6781\u8d1f\u8f7d\u91cf\u548c\u4f4e\u9762\u5bb9\u91cf\u7535\u6781\u7684\u7814\u7a76\uff0c\u8fdc\u4e0d\u80fd\u6ee1\u8db3\u672a\u6765\u4ea7\u4e1a\u5316\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n

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

\u9274\u4e8e\u6b64\uff0c\u8fd1\u671f\u6e56\u5357\u5927\u5b66\u4e8c\u7ef4\u6750\u6599\u8bfe\u9898\u7ec4\u5728\u7ebf\u62a5\u9053\u4e86\u4e00\u79cd\u5171\u4ef7\u7852\u5d4c\u5165\u591a\u7ea7\u591a\u5b54\u6c2e\u63ba\u6742\u78b3\u7eb3\u7c73\u7ea4\u7ef4\uff08<\/strong>CSe@HNCNFs<\/strong>\uff09\u4f5c\u4e3a\u67d4\u6027\u3001\u81ea\u652f\u6491\u3001\u65e0\u7c98\u7ed3\u5242\u9502-<\/strong>\u7852\u7535\u6c60\u7684\u6b63\u6781\u3002<\/strong>\u591a\u7ea7\u591a\u5b54\u7ed3\u6784\uff08\u5fae\/\u4ecb\/\u5927\u5b54\u548c\u7eb3\u7c73\u901a\u9053\uff09\u3001\u9ad8\u542b\u91cf\u7684\u6c2e\u63ba\u6742\u548c\u5f3a\u5065\u7684\u5171\u4ef7\u952e\uff08Se-O\u548cSe-C\uff09\u4e0d\u4ec5\u53ef\u4ee5\u4fc3\u8fdb\u79bb\u5b50\u548c\u7535\u5b50\u5728\u6574\u4e2a\u7535\u6781\u7ed3\u6784\u4e2d\u7684\u5feb\u901f\u4f20\u8f93\uff0c\u8fd8\u53ef\u4ee5\u6709\u6548\u7684\u951a\u5b9a\u591a\u7852\u5316\u5408\u7269\u5e76\u4e3a\u5176\u63d0\u4f9b\u5145\u8db3\u7684\u81a8\u80c0\u7a7a\u95f4\u3002\u5f53\u8d1f\u8f7d\u91cf\u4e3a1.52 mg cm-2<\/sup>\u3001\u7535\u6d41\u5bc6\u5ea6\u4e3a40.61 mA cm-2<\/sup>\u7684\u65f6\u5019\uff0c\u6240\u5f97\u9502-\u7852\u7535\u6c60\u53ef\u4ee5\u4fdd\u6301412 mAh g-1<\/sup>\u7684\u9ad8\u6bd4\u5bb9\u91cf\uff08\u6bd4\u5bb9\u91cf\u4ee5\u7852\u7684\u8d28\u91cf\u6765\u8ba1\u7b97\uff09\u3002\u53e6\u5916\uff0c\u5f53\u8d1f\u8f7d\u91cf\u8fbe\u523037.31 mg cm-2<\/sup>\u3001\u7535\u6d41\u5bc6\u5ea6\u4e3a0.83 mA cm-2<\/sup>\u65f6\uff0c\u6b64\u9502-\u7852\u7535\u6c60\u63d0\u4f9b\u4e86\u9ad8\u8fbe7.30 mAh cm-2<\/sup>\u7684\u9762\u5bb9\u91cf\u3002\u8fd9\u9879\u5de5\u4f5c\u4e3a\u63a8\u8fdb\u9502-\u7852\u7535\u6c60\u7684\u4ea7\u4e1a\u5316\u8fc8\u51fa\u4e86\u91cd\u8981\u7684\u4e00\u6b65\u3002\u8be5\u6210\u679c\u4ee5\u9898\u4e3a\u201c<\/strong>Covalent Selenium Embedded in Hierarchical Carbon Nanofibers for Ultra-High Areal Capacity Li-Se Batteries<\/strong>\u201d\u6700\u8fd1\u53d1\u8868\u5728\u56fd\u9645\u8457\u540dCell Press<\/em><\/strong>\u51fa\u7248\u793e\u65d7\u4e0b\u9996\u4e2a\u7efc\u5408\u5f00\u653e\u83b7\u53d6\u671f\u520aiScience<\/em><\/strong>\u4e0a\u3002<\/strong>\u6e56\u5357\u5927\u5b66\u7855\u58eb\u751f\u5468\u5251<\/strong>\u4e3a\u7b2c\u4e00\u4f5c\u8005\uff0c\u6731\u5efa<\/strong>\u526f\u6559\u6388\u4e3a\u901a\u8baf\u4f5c\u8005\u3002<\/p>\n

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

Figure 1. HNCNFs<\/strong>\u548c<\/strong>CSe@HNCNFs<\/strong>\u7684\u5f62\u8c8c\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u67d4\u6027\u548c\u81ea\u652f\u6491\u5f0fCSe@HNCNFs\u7535\u6781\u7684\u6570\u7801\u7167\u7247<\/p>\n

\uff08b\u548cc\uff09CSe@HNCNFs\u7684\uff08b\uff09\u4f4e\u500d\u7387\u548c\uff08c\uff09\u9ad8\u500d\u7387SEM\u56fe\u50cf<\/p>\n

\uff08d\uff09CSe@HNCNFs\u7684\u4f4e\u500d\u7387\u548c\uff08e\uff09\u9ad8\u500d\u7387TEM\u56fe\u50cf<\/p>\n

\uff08f\uff09CSe@HNCNFs\u7684\u9ad8\u5206\u8fa8TEM\u548c\u9009\u53d6\u7535\u5b50\u884d\u5c04\u56fe\u50cf<\/p>\n

\uff08g\uff09CSe@HNCNFs\u7684TEM\u56fe\u50cf\u548c\u76f8\u5e94\u7684\u5143\u7d20mapping\u56fe\uff08\u78b3\uff08h\uff09\uff0c\u6c27\uff08i\uff09\uff0c\u6c2e\uff08j\uff09\uff0c\u7852\uff08k\uff09\uff09<\/p>\n

Figure 2. HNCNFs<\/strong>\u548c<\/strong>CSe@HNCNFs<\/strong>\u7684\u7ed3\u6784\u8868\u5f81<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09\u7eafSe\u3001HNCNFs\u548cCSe@HNCNFs\u7684XRD\u56fe\u548c\uff08b\uff09\u62c9\u66fc\u5149\u8c31\u56fe<\/p>\n

\uff08c\uff09CSe@HNCNFs\u7684XPS\u5149\u8c31\u603b\u56fe\u3002<\/p>\n

\uff08d\uff09CSe@HNCNFs\u7684C 1s\u7684\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31\u56fe\u3002<\/p>\n

\uff08e\uff09\u7eafSe\u548cCSe@HNCNFs\u7684Se 3d\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31\u56fe\u3002<\/p>\n

\uff08f\uff09CSe@HNCNFs\u7684N 1s\u7684\u9ad8\u5206\u8fa8\u7387XPS\u5149\u8c31\u56fe\u3002<\/p>\n

\uff08g\uff09CSe@HNCNFs\u548cHNCNFs\u6750\u6599\u7684TG\u66f2\u7ebf\u3002<\/p>\n

\uff08h\uff09N2<\/sub>\u5438\u9644-\u89e3\u5438\u7b49\u6e29\u66f2\u7ebf\u548c\uff08i\uff09HNCNFs\u548cCSe@HNCNFs\u7684\u5b54\u5f84\u5206\u5e03\u66f2\u7ebf<\/p>\n

Figure 3. CSe@HNCNFs<\/strong>\u7684\u5faa\u73af\u6027\u80fd\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff090.1 mV s-1<\/sup>\u626b\u901f\u4e0b\u7684\u5faa\u73af\u4f0f\u5b89\u66f2\u7ebf\u56fe<\/p>\n

\uff08b\uff09CSe@HNCNFs\u7535\u6781\u5728\u8d28\u91cf\u8d1f\u8f7d\u91cf\u4e3a1.87 mg cm-2<\/sup>\uff0c1 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf<\/p>\n

\uff08c\uff09CSe@HNCNFs\u7535\u6781\u57281 C\u548c10 C\u7535\u6d41\u5bc6\u5ea6\u7684\u5faa\u73af\u6027\u80fd\u548c\u5e93\u4ed1\u6548\u7387\u56fe<\/p>\n

\uff08d\uff09CSe@HNCNFs\u7535\u6781\u5728\u4e0d\u540c\u8d1f\u8f7d\u91cf\uff081.87\uff0c3.99\uff0c5.27\uff0c7.00\u548c14.04 mg cm-2<\/sup>\uff09\uff0c1 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5faa\u73af\u6027\u80fd\u548c\u5e93\u4ed1\u6548\u7387\u56fe<\/p>\n

Figure 4.<\/strong>\u4e0d\u540c\u8d1f\u8f7d\u91cf<\/strong>CSe@HNCNFs<\/strong>\u7684\u500d\u7387\u6027\u80fd\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff09CSe@HNCNFs\u7535\u6781\u57281.52\u30013.63\u30015.46\u30017.18\u300110.64\u548c14.37 mg cm-2<\/sup>\u7684\u8d1f\u8f7d\u91cf\uff0c1 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u5145\u653e\u7535\u66f2\u7ebf<\/p>\n

\uff08b\uff091.52 mg cm-2<\/sup>\u548c\uff08c\uff0927.12 mg cm-2<\/sup>\u7684\u8d1f\u8f7d\u91cf\u4e0b\uff0cCSe@HNCNFs\u7684\u5145\u653e\u7535\u66f2\u7ebf<\/p>\n

\uff08d\uff09CSe@HNCNFs\u7535\u6781\u5728\u4e0d\u540c\u8d1f\u8f7d\u91cf\u3001\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u500d\u7387\u6027\u80fd<\/p>\n

\uff08e\uff09\u5f53\u8d1f\u8f7d\u91cf\u4e3a27.12 mg cm-2<\/sup>\u65f6\uff0cCSe@HNCNFs\u7535\u6781\u4ece0.1\u52302 C\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u500d\u7387\u6027\u80fd<\/p>\n

Figure 5.<\/strong>\u8d85\u9ad8\u8d1f\u8f7d\u91cf<\/strong>CSe@HNCNFs<\/strong>\u7684\u500d\u7387\u6027\u80fd\u7814\u7a76<\/strong><\/p>\n

\"\"<\/p>\n

\uff08a\uff0937.31 mg cm-2<\/sup>\u8d1f\u8f7d\u91cf\u7684CSe@HNCNFs\u7535\u6781\u5728\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u7684\u6052\u7535\u6d41\u5145\u653e\u7535\u66f2\u7ebf\uff0c\u4ee5\u53ca\uff08b\uff09\u500d\u7387\u6027\u80fd\u3002<\/p>\n

Figure 6. CSe@HNCNFs<\/strong>\u7684\u9762\u5bb9\u91cf\u5206\u6790<\/strong><\/p>\n

\"\"<\/p>\n

\u00a0(a\uff09\u4e0d\u540c\u7535\u6d41\u5bc6\u5ea6\u4e0b\u9762\u5bb9\u91cf\u4e0e\u8d1f\u8f7d\u91cf\uff081.52-27.12 mg cm-2<\/sup>\uff09\u4e4b\u95f4\u7684\u5173\u7cfb<\/p>\n

\uff08b\uff09\u4e0d\u540c\u8d1f\u8f7d\u91cf\u4e0b\u7684\u9762\u5bb9\u91cf\u968f\u7535\u6d41\u5bc6\u5ea6\u53d8\u5316\u7684\u6bd4\u8f83<\/p>\n

\uff08c\uff09CSe@HNCNFs\u7535\u6781\u4e0e\u5176\u4ed6\u62a5\u9053\u7684\u7852\u57fa\u6b63\u6781\u4e4b\u95f4\u7684\u9762\u5bb9\u91cf\u6bd4\u8f83<\/p>\n

\u3010\u603b\u7ed3\u3011<\/strong><\/p>\n

\u603b\u4e4b\uff0c\u8be5\u5de5\u4f5c\u63d0\u51fa\u4e86\u4e00\u79cd\u72ec\u7279\u7684\u5171\u4ef7\u7852\u5d4c\u5165\u591a\u7ea7\u591a\u5b54\u7684\u6c2e\u63ba\u6742\u78b3\u7eb3\u7c73\u7ea4\u7ef4\u7528\u4e8e\u9ad8\u6027\u80fd\u9502-\u7852\u7535\u6c60\u3002\u8be5Li-Se\u7535\u6c60\u57281 C\u7684\u7535\u6d41\u5bc6\u5ea6\u30011.87 mg cm-2<\/sup>\u7684\u8d1f\u8f7d\u91cf\u4e0b\u5faa\u73af2500\u6b21\uff0c\u8fd8\u4fdd\u6301\u7740762 mAh g-1<\/sup>\u7684\u6bd4\u5bb9\u91cf\uff08\u51e0\u4e4e\u6ca1\u6709\u5bb9\u91cf\u8870\u51cf\uff09\u3002\u6b64\u5916\uff0c\u8be5Li-Se\u7535\u6c60\u572837.31 mg cm-2<\/sup>\u7684\u8d85\u9ad8\u8d28\u91cf\u8d1f\u8f7d\u91cf\u4e0b\u53ef\u4ee5\u83b7\u5f977.30 mAh cm-2<\/sup>\u7684\u8d85\u9ad8\u9762\u5bb9\u91cf\uff08\u5728\u6240\u6709\u9502-\u7852\u7535\u6c60\u4e2d\u9762\u5bb9\u91cf\u6700\u9ad8\uff09\u3002\u8fd9\u79cd\u8d85\u5de5\u4e1a\u7ea7\u7684\u8d28\u91cf\u8d1f\u8f7d\u91cf\u548c\u9762\u5bb9\u91cf\u4e3a\u9502-\u7852\u7535\u6c60\u8fdb\u4e00\u6b65\u4ea7\u4e1a\u5316\u7814\u7a76\u63d0\u4f9b\u4e86\u91cd\u8981\u53c2\u8003\u610f\u4e49\u3002<\/p>\n

\u6587\u732e\u8fde\u63a5\uff1aCovalent Selenium Embedded in Hierarchical Carbon Nanofibers for Ultra-High Areal Capacity Li-Se Batteries. iScience, <\/em>2020, <\/em><\/strong>23, 100919, DOI: 10.1016\/j.isci.2020.100919.<\/p>\n","protected":false},"excerpt":{"rendered":"

\u3010\u5f15\u8a00\u3011 \u7531\u4e8e\u7852\u548c\u786b\u76f8\u4f3c\u7684\u7269\u7406\u5316\u5b66\u7279\u6027\uff0c\u9502-\u7852\u7535\u6c60\u5177\u6709\u548c\u9502-\u786b\u7535\u6c60\u76f8\u4f3c\u7684\u7406\u8bba\u4f53\u79ef\u6bd4\u5bb9\u91cf\uff083253 Ah L-1\uff09\u3002\u4ece\u7406\u8bba\u4e0a\u6765\u8bf4\uff0c\u7852\u7684\u91d1\u5c5e\u6027\u5f3a\u4e8e\u786b\uff0c\u7852\u6b63\u6781\u76f8\u8f83\u4e8e\u786b…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[215],"tags":[],"class_list":["post-201284","post","type-post","status-publish","format-standard","hentry","category-jiedu"],"_links":{"self":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/201284"}],"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\/2"}],"replies":[{"embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=201284"}],"version-history":[{"count":2,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/201284\/revisions"}],"predecessor-version":[{"id":201293,"href":"\/\/m.iemloyee.com\/index.php?rest_route=\/wp\/v2\/posts\/201284\/revisions\/201293"}],"wp:attachment":[{"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=201284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=201284"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/m.iemloyee.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=201284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}