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Network-Like Ni 1−x Mo x Nanosheets: Multi-Functional Electrodes for Overall Water Splitting and Supercapacitor
Rui Tong1; Zhi Sun2; Xina Wang3; Shuangpeng Wang3; Hui Pan1
2019-12-19
Source PublicationChemElectroChem
ISSN2196-0216
Volume6Issue:5Pages:1338-1343
Abstract

Exploring efficient, abundant, cheap and stable materials for the electrolysis of water and supercapacitor is a challenging task. Here, Ni1−xMox nanosheets are obtained on carbon cloth (CC), which can be multi-functional electrodes for electrochemical applications. Impressively, we find that the electrochemical abilities can be optimized by constructing network-like nanosheets and tuning the ratio of Ni and Mo in the alloy. To acquire a current density of 10 mA cm−2 (j10), Ni0.75Mo0.25/CC shows the lowest overpotentials (79 mV for hydrogen evolution reaction (HER) and 330 mV for oxygen evolution reaction (OER)) in 1 M KOH. Using Ni0.75Mo0.25/CC as both positive and negative poles, the cell only requires a potential of 1.74 V to reach j10 and shows long-term durability. We further show that Ni0.75Mo0.25 electrode exhibits a superior specific capacitance (422 F g−1 at 1 A g−1) and high capacitance retention (108.2 % after 1000 cycles) in 1 M KOH. The super-electrochemical performances of Ni0.75Mo0.25/CC is attributed to its high electronic conductivity, rich active sites, and large surface area. We believe that the Ni0.75Mo0.25/CC electrode with extraordinary electrochemical performances is a hopeful material for practical applications in both electrocatalysis and supercapacitors (SC).

DOI10.1002/celc.201801725
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000462598900008
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Cited Times [WOS]:8   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Joint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of MacauMacao SAR
2.State Key Discipline Laboratory of Wide-Bandgap Semiconductor Technol-ogiesSchool of MicroelectronicsXidian UniversityXi’an 710071, People’s Republic of China
3.Hubei Key Laboratory of Ferro & piezoelectric Materials and DevicesFaculty of Physics and Electronic ScienceHubei UniversityWuhan 430062, People’s Republic of China
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Rui Tong,Zhi Sun,Xina Wang,et al. Network-Like Ni 1−x Mo x Nanosheets: Multi-Functional Electrodes for Overall Water Splitting and Supercapacitor[J]. ChemElectroChem,2019,6(5):1338-1343.
APA Rui Tong,Zhi Sun,Xina Wang,Shuangpeng Wang,&Hui Pan.(2019).Network-Like Ni 1−x Mo x Nanosheets: Multi-Functional Electrodes for Overall Water Splitting and Supercapacitor.ChemElectroChem,6(5),1338-1343.
MLA Rui Tong,et al."Network-Like Ni 1−x Mo x Nanosheets: Multi-Functional Electrodes for Overall Water Splitting and Supercapacitor".ChemElectroChem 6.5(2019):1338-1343.
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