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Facilitated charge transport in ternary interconnected electrodes for flexible supercapacitors with excellent power characteristics
Chen, Wanjun; He, Yongmin; Li, Xiaodong; Zhou, JY(周金元); Zhang, ZX(张振兴); Zhao, Changhui; Gong, Chengshi; Li, Shuangkui; Pan, XJ(潘孝军); Xie, EQ(谢二庆)
2013
Source PublicationNanoscale   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN2040-3364
Volume5Issue:23Pages:11733-11741
Abstract

Flexible and high performance supercapacitors are very critical in modern society. In order to develop the flexible supercapacitors with high power density, free-standing and flexible three-dimensional graphene/carbon nanotubes/MnO2 (3DG/CNTs/MnO2) composite electrodes with interconnected ternary 3D structures were fabricated, and the fast electron and ion transport channels were effectively constructed in the rationally designed electrodes. Consequently, the obtained 3DG/CNTs/MnO2 composite electrodes exhibit superior specific capacitance and rate capability compared to 3DG/MnO2 electrodes. Furthermore, the 3DG/CNTs/MnO2 based asymmetric supercapacitor demonstrates the maximum energy and power densities of 33.71 W h kg(-1) and up to 22 727.3 W kg(-1), respectively. Moreover, the asymmetric supercapacitor exhibits excellent cycling stability with 95.3% of the specific capacitance maintained after 1000 cycle tests. Our proposed synthesis strategy to construct the novel ternary 3D structured electrodes can be efficiently applied to other high performance energy storage/conversion systems.

Subject AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
PublisherROYAL SOC CHEMISTRY
DOI10.1039/c3nr03923d
Publication PlaceCAMBRIDGE
URL查看原文
Indexed BySCI ; SCIE
Language英语
First Inst
Funding Project国家自然科学基金项目 ; 中国博士后科学基金
Project NumberNational Natural Science Foundation of China [61176058, 51202100] ; National Science Foundation for Post-doctoral Scientists of China [2012M512046]
WOS IDWOS:000326982000048
Funding OrganizationNSFC ; CPSF
SubtypeArticle
Original Document TypeJournal article
EI ID20134716997144
PMID 24114203
DepartmentLanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/103450
Collection物理科学与技术学院
Affiliation
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
First Author AffilicationSchool of Physical Science and Technology
First Signature AffilicationSchool of Physical Science and Technology
Recommended Citation
GB/T 7714
Chen, Wanjun,He, Yongmin,Li, Xiaodong,et al. Facilitated charge transport in ternary interconnected electrodes for flexible supercapacitors with excellent power characteristics[J]. Nanoscale,2013,5(23):11733-11741.
APA Chen, Wanjun.,He, Yongmin.,Li, Xiaodong.,Zhou JY.,Zhang ZX.,...&Xie EQ.(2013).Facilitated charge transport in ternary interconnected electrodes for flexible supercapacitors with excellent power characteristics.Nanoscale,5(23),11733-11741.
MLA Chen, Wanjun,et al."Facilitated charge transport in ternary interconnected electrodes for flexible supercapacitors with excellent power characteristics".Nanoscale 5.23(2013):11733-11741.
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