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Construction of Hierarchical CNT/rGO-Supported MnMoO4 Nanosheets on Ni Foam for High-Performance Aqueous Hybrid Supercapacitors
Mu, Xuemei; Du, Jingwei; Zhang, YX(张亚雄); Liang, Zhilin; Wang, Huan; Huang, Baoyu; Zhou, JY(周金元); Pan, XJ(潘孝军); Zhang, ZX(张振兴); Xie, EQ(谢二庆)
2017-10-18
Source PublicationACS Applied Materials & Interfaces   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN1944-8244
Volume9Issue:41Pages:35775-35784
Abstract

Rationally designed conductive hierarchical nanostructures are highly desirable for supporting pseudocapacitive materials to achieve high-performance electrodes for supercapacitors. Herein, manganese molybdate nanosheets were hydrothermally grown with graphene oxide (GO) on three-dimensional nickel foam-supported carbon nanotube structures. Under the optimal graphene oxide concentration, the obtained carbon nanotubes/reduced graphene oxide/MnMoO4 composites (CNT/rGO/MnMoO4) as binder-free supercapacitor cathodes perform with a high specific capacitance of 2374.9 F g-1 at the scan rate of 2 mV s-1 and good long-term stability (97.1% of the initial specific capacitance can be maintained after 3000 charge/discharge cycles). The asymmetric device with CNT/rGO/MnMoO4 as the cathode electrode and the carbon nanotubes/activated carbon on nickel foam (CNT-AC) as the anode electrode can deliver an energy density of 59.4 Wh kg-1 at the power density of 1367.9 W kg-1. These superior performances can be attributed to the synergistic effects from each component of the composite electrodes: highly pseudocapacitive MnMoO4 nanosheets and three-dimensional conductive Ni foam/CNTs/rGO networks. These results suggest that the fabricated asymmetric supercapacitor can be a promising candidate for energy storage devices.
© 2017 American Chemical Society.

KeywordSupercapacitors Manganese Molybdate Carbon Nanotubes Graphene Oxide Nickel Foam
PublisherACS
DOI10.1021/acsami.7b09005
URL查看原文
Indexed BySCI
Language英语
First Inst
Funding ProjectNational Natural Science Foundation of China[] ; [LZUMMM2016010] ; National Natural Science Foundation of China[51302122] ; Fundamental Research Funds for the Central Universities[lzujbky-2016-127]
PublisherAmerican Chemical Society
EI Accession Number20174304288535
EI KeywordsCapacitance ; Cathodes ; Conductive Materials ; Foams ; Graphene ; Graphene Oxide ; Manganese Compounds ; Nanosheets ; Nickel ; Supercapacitor
EI Classification NumberNickel:548.1 ; Electricity: Basic Concepts And Phenomena:701.1 ; Conducting Materials:708.2 ; Nanotechnology:761 ; Chemical Products Generally:804 ; Solid State Physics:933
Original Document TypeJournal article (JA)
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/189751
Collection物理科学与技术学院
Affiliation
School of Physical Science and Technology, Key Laboratory for Magnetism and Magnetic Materials, Ministry of Education, 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
Mu, Xuemei,Du, Jingwei,Zhang, Yaxiong,et al. Construction of Hierarchical CNT/rGO-Supported MnMoO4 Nanosheets on Ni Foam for High-Performance Aqueous Hybrid Supercapacitors[J]. ACS Applied Materials & Interfaces,2017,9(41):35775-35784.
APA Mu, Xuemei.,Du, Jingwei.,Zhang, Yaxiong.,Liang, Zhilin.,Wang, Huan.,...&Xie, Erqing.(2017).Construction of Hierarchical CNT/rGO-Supported MnMoO4 Nanosheets on Ni Foam for High-Performance Aqueous Hybrid Supercapacitors.ACS Applied Materials & Interfaces,9(41),35775-35784.
MLA Mu, Xuemei,et al."Construction of Hierarchical CNT/rGO-Supported MnMoO4 Nanosheets on Ni Foam for High-Performance Aqueous Hybrid Supercapacitors".ACS Applied Materials & Interfaces 9.41(2017):35775-35784.
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