One-step synthesis of biomass derived O, N-codoped hierarchical porous carbon with high surface area for supercapacitors

查看全文 作　　者：Shuxian [1]Sun;Fuqin [1]Han;Xiaoliang [1]Wu;Zhuangjun [2]Fan

机构地区：[1]College of Chemistry,Chemical Engineering and Resource Utilization,Northeast Forestry University,Harbin 150040,China;[2]College of Material Science and Engineering,China University of Petroleum,Qingdao 266580,China

出　　处：《Chinese Chemical Letters》索引2020年第31卷第9期,共4页

基　　金：financial support of the National Natural Science Foundation of China(Nos.51702043,51672055 and 51972342);Heilongjiang Postdoctoral Foundation(No.LBH-Z18008)。 摘　　要：We report a convenient method to synthesize O,N-codoped hierarchical porous carbon by one-step carbonization of the mixture of KHCO3,urea and alginic acid.Benefiting from KHCO3 and urea syne rgistic effect,the obtained O,N-codoped hierarchical porous carbon(NPC-700) material has a well-developed interconnected porous framework with ultrahigh specific surface area(2846 m2/g) and massive heteroatoms functional groups.Consequence,such porous carbon displays high specific capacitance(324 F/g at 1 A/g),excellent rate performance(212 F/g at 30 A/g) and good electrochemical stabilization in 6 mol/L KOH solution.More importantly,the assembled NPC-700//NPC-700 symmetrical supercapacitor can achieve a high energy density of 18.8 Wh/kg and good electrochemical stabilization in 1 mol/L Na2SO4 solution.This process opens up a new way to design heteroatoms-doped hierarchical porous carbon derived from biomass materials for supercapacitors. 关键词：Alginic acid UREA KHCO3 SUPERCAPACITORS Hierarchical porous carbon

相关文献

参考文献（27）
引证文献（2）
耦合文献（0）

参考文献(27)

引证文献(2)

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

One-step synthesis of biomass derived O, N-codoped hierarchical porous carbon with high surface area for supercapacitors

参考文献(27)

引证文献(2)

用户提示