Simple and green fabrication of a biomass-derived N and O self-doped hierarchical porous carbon via a self-activation route for supercapacitor application
Yang, Binbin; Zhang, Deyi; He, Jingjing; Wang, Yulin; Wang, Kunjie; Li, Hongxia; Wang, Yi; Miao, Lei; Ren, Ruiye; Xie, Mei
2020-03-31
Source PublicationCARBON LETTERS
ISSN1976-4251
AbstractTo meet the increased performance and cost requirements of commercial supercapacitor, a N and O self-doped hierarchical porous carbon is fabricated via a green and simple self-activation route utilizing leaves of wild hollyhock as raw materials. Comparing to commercial activated carbon, the reported material exhibits some marked merits, such as simple and green fabrication process, low cost, and superior capacitance performance. The specific surface area of the obtained N and O co-doped hierarchical porous carbon arrives 954 m(2) g(-1), and the content of the self-doped nitrogen and oxygen reaches 2.64 at.% and 7.38 at.%, respectively. The specific capacitance of the obtained material reaches 226 F g(-1) while the specific capacitance of the symmetric supercapacitor arrives 47.3 F g(-1). Meanwhile, more than 90.3% of initial specific capacitance is kept under a current density of 20 A g(-1), and no arresting degradation is observed for capacitance after 5000 times cycle, perfectly demonstrating the excellent cycle and rate capability of the obtained material. The obtained N and O co-doped hierarchical porous carbon are expected to be an ideal substitution for commercial activated carbon.
KeywordSelf-activation route Supercapacitor Hierarchical porous carbon Self-doping
DOI10.1007/s42823-020-00143-z
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51462020][21867015]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000522926000002
PublisherSPRINGER JAPAN KK
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/64279
Collection石油化工学院
Corresponding AuthorZhang, Deyi
AffiliationLanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China
First Author AffilicationColl Petrochem Engn
Corresponding Author AffilicationColl Petrochem Engn
First Signature AffilicationColl Petrochem Engn
Recommended Citation
GB/T 7714
Yang, Binbin,Zhang, Deyi,He, Jingjing,et al. Simple and green fabrication of a biomass-derived N and O self-doped hierarchical porous carbon via a self-activation route for supercapacitor application[J]. CARBON LETTERS,2020.
APA Yang, Binbin.,Zhang, Deyi.,He, Jingjing.,Wang, Yulin.,Wang, Kunjie.,...&Xie, Mei.(2020).Simple and green fabrication of a biomass-derived N and O self-doped hierarchical porous carbon via a self-activation route for supercapacitor application.CARBON LETTERS.
MLA Yang, Binbin,et al."Simple and green fabrication of a biomass-derived N and O self-doped hierarchical porous carbon via a self-activation route for supercapacitor application".CARBON LETTERS (2020).
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