UM
Controllable preparation of 2D nickel aluminum layered double hydroxide nanoplates for high-performance supercapacitors
Li, Lei; Fu, Jianjian; Hui, Kwan San; Hui, Kwun Nam; Cho, Young-Rae
2018-10
Source PublicationJOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
ISSN0957-4522
Volume29Issue:20Pages:17493-17502
AbstractOptimizing the composition of nanostructured transition metal oxides and hydroxides has been proven to be an effective approach to alter the electrochemical performance of the materials. In this study, we synthesized and optimized the molar ratios of Ni/Al in NiAl LDH nanoplates by a facile hydrothermal method. Among the studied samples, the Ni0.65Al0.35 LDH electrode exhibited higher electrochemical performance than other studied compositions, resulting in a prominent specific capacitance of 1733.3 F g(-1) at 1 A g(-1) and high cycling stability of 87.1% after 5000 cycles at a current density of 5 A g(-1). An asymmetric supercapacitor device assembled with the optimized Ni0.65Al0.35 LDH as positive electrode and graphene as negative electrode delivered a high energy density of 32.6 Wh kg(-1) at a power density of 700 W kg(-1) along with excellent cycling performance of 93.2% after 5000 cycles at a current density of 5 A g(-1). The optimized Ni0.65Al0.35 LDH nanoplates hold great promise as advanced electrode materials for high-performance energy storage devices.
DOI10.1007/s10854-018-9849-7
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Materials Science ; Physics
WOS SubjectEngineering, Electrical & Electronic ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000445428900047
PublisherSPRINGER
The Source to ArticleWOS
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionUniversity of Macau
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GB/T 7714
Li, Lei,Fu, Jianjian,Hui, Kwan San,et al. Controllable preparation of 2D nickel aluminum layered double hydroxide nanoplates for high-performance supercapacitors[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2018,29(20):17493-17502.
APA Li, Lei,Fu, Jianjian,Hui, Kwan San,Hui, Kwun Nam,&Cho, Young-Rae.(2018).Controllable preparation of 2D nickel aluminum layered double hydroxide nanoplates for high-performance supercapacitors.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,29(20),17493-17502.
MLA Li, Lei,et al."Controllable preparation of 2D nickel aluminum layered double hydroxide nanoplates for high-performance supercapacitors".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 29.20(2018):17493-17502.
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