维普中文期刊产品整合服务

One‑Pot Rational Deposition of Coaxial Double‑Layer MnO_(2)/Ni(OH)_(2) Nanosheets on Carbon Nanofibers for High‑Performance Supercapacitors

查看全文 作　　者：Guangdi [1,2]Nie;Zhenyuan [1]Zhang;Yingqi [2]Liu;Jian [1]Wang;Chen [2]Fu;Haiqi [1]Yin;Juan [1]Chen;Lin [1]Zhao;Zhenghui [3]Pan 高影响力作者 机构地区：[1]Industrial Research Institute of Nonwovens and Technical Textiles,Collaborative Innovation Center for Eco‑Textiles of Shandong Province,College of Textiles and Clothing,Qingdao University,Qingdao 266071,People’s Republic of China;[2]College of Textile and Clothing,Xinjiang University,Urumchi 830046,People’s Republic of China;[3]School of Materials Science and Engineering,Tongji University,Shanghai 201804,People’s Republic of China高影响力机构 出　　处：《Advanced Fiber Materials》索引2022年第4卷第5期,共12页高影响力期刊 基　　金：supported by the research grants from National Natural Science Foundation of China(52103057);Natural Science Foundation of Shandong Province,China(ZR2019BEM001);China Postdoctoral Science Foundation(2018M630745). 摘　　要：Constructing“nanoglue”between inorganic electroactive species and conductive carbon scaffolds is an effective strategy to improve their compatibility and binding interaction,holding a great promise for fabricating high-performance hybrid electrodes for supercapacitors.However,multistep reactions are usually required to obtain these multicomponent systems,thus giving rise to the complicated and time-consuming issues.Herein,we for the first time,demonstrate a green one-pot method to anchor coaxial double-layer MnO_(2)/Ni(OH)_(2)nanosheets on electrospun carbon nanofibers(CNFs)(denoted as MNC),where the intermediate MnO_(2)layer serves as the“nanoglue”to couple the vertically aligned Ni(OH)_(2)nanosheets and conductive CNFs.Benefiting from the unique chemical composition and hierarchical architecture,the resultant electrode delivers outstanding electrochemical performance,including an excellent specific capacitance(1133.3 F g^(-1)at 1 A g^(-1))and an ultrahigh rate capability(844.4 F g^(-1)at 20 A g^(-1)).Moreover,the asymmetric supercapacitor assembled by using the MNC as positive electrode and the CNF as negative electrode can achieve an optimal energy density of 35.1 Wh kg^(-1)and a maximum power density of 8000 W kg^(-1).The one-pot strategy that stabilizes electroactive metal hydroxides on conductive carbons using a MnO_(2)“nanoglue”to design advanced hybrid electrodes is expected to be broadly applicable not only to the supercapacitor technology but also to other electrochemical applications. 关 键 词：“Nanoglue” ONE-POT method COAXIAL DOUBLE-LAYER architecture Electrospinning SUPERCAPACITORS
相关文献

参考文献(46)

引证文献(2)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费