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
发表期刊CHEMSUSCHEM
ISSN1864-5631
卷号11期号:6页码:1020-1024
文章类型期刊论文
摘要Boosting 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.
关键词Oxygen Evolution Cobalt Oxide Efficient Nickel Nanosheet Electrocatalysts Dissociation Performance Adsorption Nanowires
DOI10.1002/cssc.201702371
收录类别SCI
语种英语
WOS记录号WOS:000428315300003
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29086
专题中科院上海应用物理研究所2011-2018年
作者单位1.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
推荐引用方式
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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