CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
N-Modified NiO Surface for Superior Alkaline Hydrogen Evolution
Zhang, L; Liu, PF; Li, YH; Zu, MY; Li, X; Jiang, Z; Wang, Y; Zhao, HJ; Yang, HG
2018
Source PublicationCHEMSUSCHEM
ISSN1864-5631
Volume11Issue:6Pages:1020-1024
Subtype期刊论文
AbstractBoosting the sluggish kinetics of the hydrogen evolution reaction in alkaline environments is key for the large-scale application of water-alkali and chlor-alkali electrolysis. In this study, nitrogen atoms are used to precisely modulate electrochemical active sites on the surface of nickel oxide with low-coordinated oxygen atoms, to achieve enhanced kinetics in alkaline hydrogen evolution. Theoretical and experimental results demonstrate that surface charge redistribution after modulation facilitates both the initial water dissociation step and the subsequent recombination of H-ad from low-coordinated oxygen sites and desorption of OHad- from nickel sites, thus accelerating the overall hydrogen evolution process. The N-modulated nickel oxide enriched in low-coordinated oxygen atoms exhibits significantly enhanced activity with a small overpotential of -100 mV at the current density of -10 mA cm(-2) and a robust stability over 90 h for hydrogen evolution in 1.0 m KOH.
KeywordOxygen Evolution Cobalt Oxide Efficient Nickel Nanosheet Electrocatalysts Dissociation Performance Adsorption Nanowires
DOI10.1002/cssc.201702371
Indexed BySCI
Language英语
WOS IDWOS:000428315300003
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/29086
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Zhang, L
2.Liu, PF
3.Li, YH
4.Zu, MY
5.Li, X
6.Jiang, Z
7.Wang, Y
8.Zhao, HJ
9.Yang, HG
Recommended Citation
GB/T 7714
Zhang, L,Liu, PF,Li, YH,et al. N-Modified NiO Surface for Superior Alkaline Hydrogen Evolution[J]. CHEMSUSCHEM,2018,11(6):1020-1024.
APA Zhang, L.,Liu, PF.,Li, YH.,Zu, MY.,Li, X.,...&Yang, HG.(2018).N-Modified NiO Surface for Superior Alkaline Hydrogen Evolution.CHEMSUSCHEM,11(6),1020-1024.
MLA Zhang, L,et al."N-Modified NiO Surface for Superior Alkaline Hydrogen Evolution".CHEMSUSCHEM 11.6(2018):1020-1024.
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