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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
2019-03-01
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]:12   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorShuangpeng Wang; Hui Pan
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
Corresponding 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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