UM
Silver particle-loaded nickel oxide nanosheet arrays on nickel foam as advanced binder-free electrodes for aqueous asymmetric supercapacitors
Wu, Shuxing; Hui, Kwan San; Hui, Kwun Nam; Yun, Je Moon; Kim, Kwang Ho
2017
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume7Issue:66Pages:41771-41778
AbstractConductive metal loading is an efficient approach for enhancing the electric conductivity of redox-active transition-metal oxide electrodes. In this study, Ag particle-loaded NiO/nickel foam (Ag-NiO/NF) composites were fabricated using a green chemistry method. The anchored Ag particles standing on the surface of NiO nanosheet arrays helped improve the electrical conductivity and were thus beneficial for supercapacitors (SCs). The as-developed Ag-NiO/NF electrode delivered a specific capacitance of 1254.9 F g(-1) at the current density of 1 A g(-1), which is higher than that of NiO/NF electrode (946.3 F g(-1)). Using such Ag-NiO/NF as a positive electrode, we further fabricated aqueous asymmetric SC devices with reduced graphene oxide as a negative electrode. Owing to the efficient electron transport and short ion diffusion paths in the designed electrode, the devices exhibited a high specific capacitance of 97.9 F g at 1 A g(-1) with a high energy density of 26.7 W h kg(-1) at a power density of 1017.1 W kg(-1) and great cyclic stability.
DOI10.1039/c7ra06252d
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000409147000053
PublisherROYAL SOC CHEMISTRY
The Source to ArticleWOS
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Wu, Shuxing,Hui, Kwan San,Hui, Kwun Nam,et al. Silver particle-loaded nickel oxide nanosheet arrays on nickel foam as advanced binder-free electrodes for aqueous asymmetric supercapacitors[J]. RSC ADVANCES,2017,7(66):41771-41778.
APA Wu, Shuxing,Hui, Kwan San,Hui, Kwun Nam,Yun, Je Moon,&Kim, Kwang Ho.(2017).Silver particle-loaded nickel oxide nanosheet arrays on nickel foam as advanced binder-free electrodes for aqueous asymmetric supercapacitors.RSC ADVANCES,7(66),41771-41778.
MLA Wu, Shuxing,et al."Silver particle-loaded nickel oxide nanosheet arrays on nickel foam as advanced binder-free electrodes for aqueous asymmetric supercapacitors".RSC ADVANCES 7.66(2017):41771-41778.
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