UM
One-Dimensional Core-Shell Architecture Composed of Silver Nanowire@Hierarchical Nickel-Aluminum Layered Double Hydroxide Nanosheet as Advanced Electrode Materials for Pseudocapacitor
Wu S.; Hui K.S.; Hui K.N.
2015
Source PublicationJournal of Physical Chemistry C
ISSN19327447
Volume119Issue:41Pages:23358
AbstractA one-dimensional (1D) core-shell architecture composed of silver nanowire@hierarchical nickel-aluminum layered double hydroxide nanosheet (Ag NW@NiAl LDH), where hierarchical NiAl LDH nanosheets grafted vertically along the 1D silver nanowire backbone, is synthesized as the electrode material for supercapacitors. This well-designed 1D core-shell architecture not only provides efficient contacts between electrolyte and active materials but also facilitates the transport of electrons and ions and buffers the volume change, leading to high specific capacitance, fast redox reaction kinetics, and excellent cycling stability. As a pseudocapacitor electrode, the architecture exhibits a specific capacitance as high as 1246.8 F g-1 at 1 A g-1 and 80.3% of the capacitance can be retained after 5000 cycles at 10 A g-1 in 6 M KOH aqueous solution. Remarkably, Ag NW@NiAl LDH electrode demonstrates 3.3 times higher specific capacitance than that of pure NiAl LDH electrode at a current density of 1 A g-1. The rational design of 1D metallic core and hierarchical shell architecture may open up new strategies for fabricating promising electrode materials for electrochemical energy storage. © 2015 American Chemical Society.
DOI10.1021/acs.jpcc.5b07739
URLView the original
Language英语
The Source to ArticleScopus
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Cited Times [WOS]:51   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
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Wu S.,Hui K.S.,Hui K.N.. One-Dimensional Core-Shell Architecture Composed of Silver Nanowire@Hierarchical Nickel-Aluminum Layered Double Hydroxide Nanosheet as Advanced Electrode Materials for Pseudocapacitor[J]. Journal of Physical Chemistry C,2015,119(41):23358.
APA Wu S.,Hui K.S.,&Hui K.N..(2015).One-Dimensional Core-Shell Architecture Composed of Silver Nanowire@Hierarchical Nickel-Aluminum Layered Double Hydroxide Nanosheet as Advanced Electrode Materials for Pseudocapacitor.Journal of Physical Chemistry C,119(41),23358.
MLA Wu S.,et al."One-Dimensional Core-Shell Architecture Composed of Silver Nanowire@Hierarchical Nickel-Aluminum Layered Double Hydroxide Nanosheet as Advanced Electrode Materials for Pseudocapacitor".Journal of Physical Chemistry C 119.41(2015):23358.
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