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Ion regulation of hollow nickel cobalt layered double hydroxide nanocages derived from ZIF-67 for High-Performance supercapacitors
Wang, Miao1,2; Feng, Yu1,2; Zhang, Yan1,2; Li, Shanshan1,2; Wu, Mengmeng1,2; Xue, Langlang1,2; Zhao, Jiahui1,2; Zhang, Wei3; Ge, Mingzheng3,4; Lai, Yuekun5; Mi, Jie1,2
2022-09-15
Source PublicationApplied Surface Science
ISSN0169-4332
Volume596
Abstract

Ni-Co layered double hydroxides (LDHs) have been extensively applied as promising supercapacitor materials due to their ultra-high theoretical capacitance and excellent redox activity. Herein, three-dimensional hollow Ni-Co LDH with staggered nanosheets as the shell was synthesized from ZIF-67 template via the microwave treatment. The Ni-Co LDH revealed a high specific capacitance (2369.0F/g at 0.5 A/g) and a satisfactory rate capability when used as the electrode materials, which could be attributed to its high specific surface area, more exposed active sites, and the synergistic effects between nickel and cobalt ions for promoting mass transfer. Moreover, the asymmetric supercapacitor device possessed the energy density and power density as high as 21.28 Wh/kg and 3741.0 W/kg, respectively. Meanwhile, the Ni-Co LDH//AC device delivered excellent cycling stability with 83.6% capacitance retention after 10,000 cycles. This strategy is promising to be applied in other devices for energy storage, such as Li/Na/K-ion batteries, fuel cells, solar cells, etc.

KeywordIon regulatIon Microwave Method Ni-co Ldh Supercapacitors Zif-67
DOI10.1016/j.apsusc.2022.153582
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical;materials Science, Coatings & Films;physics, Applied;physics, Condensed Matter
WOS IDWOS:000802586500001
Scopus ID2-s2.0-85129695423
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorFeng, Yu; Ge, Mingzheng; Lai, Yuekun; Mi, Jie
Affiliation1.State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan, Shanxi, 030024, China
2.Key Laboratory of Coal Science and Technology, Taiyuan, Shanxi, 030024, China
3.National & Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, School of Textile & Clothing, Nantong University, Nantong, 226019, China
4.Institute of Applied Physics and Materials Engineering, University of Macau, Macau, 999078, China
5.College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Wang, Miao,Feng, Yu,Zhang, Yan,et al. Ion regulation of hollow nickel cobalt layered double hydroxide nanocages derived from ZIF-67 for High-Performance supercapacitors[J]. Applied Surface Science,2022,596.
APA Wang, Miao,Feng, Yu,Zhang, Yan,Li, Shanshan,Wu, Mengmeng,Xue, Langlang,Zhao, Jiahui,Zhang, Wei,Ge, Mingzheng,Lai, Yuekun,&Mi, Jie.(2022).Ion regulation of hollow nickel cobalt layered double hydroxide nanocages derived from ZIF-67 for High-Performance supercapacitors.Applied Surface Science,596.
MLA Wang, Miao,et al."Ion regulation of hollow nickel cobalt layered double hydroxide nanocages derived from ZIF-67 for High-Performance supercapacitors".Applied Surface Science 596(2022).
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