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Investigation of the electrochemical properties of coal-layered double hydroxide/Ni(OH)2
Li H.3; Musharavati F.1; Sun J.3; Jaber F.2; Zalnezhad E.3; Hui K.N.4; Hui K.S.5
2018
Source PublicationJournal of the Electrochemical Society
ISSN19457111 00134651
Volume165Issue:2Pages:A407-A415
AbstractLayered double hydroxides (LDH) as active electrode materials have become the focus of research in energy storage applications. The manufacturing of excellent electrochemical performance of the LDH electrode is still a challenge. In this paper, the production of CoAl-LDH@Ni(OH) is carried out in two steps, including hydrothermal and electrodeposition techniques. The prominent features of this electrode material are shown in the structural and morphological aspects, and the electrochemical properties are investigated by improving the conductivity and cycle stability. The core of this experimental study is to investigate the properties of the materials by depositing different amounts of nickel hydroxide and changing the loading of the active materials. The experimental results show that the specific capacity is 1810.5F · g at 2 A/g current density and the cycle stability remained at 76% at 30 A g for 3000 cycles. Moreover, a solid-state asymmetric supercapacitor with CoAl-LDH@Ni(OH)2 as the positive electrode and multi-walled carbon nanotube coated on the nickel foam as the negative electrode delivers high energy density (16.72 Wh kg at the power density of 350.01 W kg). This study indicates the advantages of the design and synthesis of layered double hydroxides, a composite with excellent electrochemical properties that has potential applications in energy storage. © The Author(s) 2018. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium, provided the original work is properly cited.
DOI10.1149/2.0111803jes
URLView the original
Language英語
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Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Qatar University
2.Ajman University
3.Hanyang University
4.Universidade de Macau
5.University of East Anglia
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GB/T 7714
Li H.,Musharavati F.,Sun J.,et al. Investigation of the electrochemical properties of coal-layered double hydroxide/Ni(OH)2[J]. Journal of the Electrochemical Society,2018,165(2):A407-A415.
APA Li H..,Musharavati F..,Sun J..,Jaber F..,Zalnezhad E..,...&Hui K.S..(2018).Investigation of the electrochemical properties of coal-layered double hydroxide/Ni(OH)2.Journal of the Electrochemical Society,165(2),A407-A415.
MLA Li H.,et al."Investigation of the electrochemical properties of coal-layered double hydroxide/Ni(OH)2".Journal of the Electrochemical Society 165.2(2018):A407-A415.
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