Remarkably enhanced water splitting activity of nickel foam due to simple immersion in a ferric nitrate solution

doi:10.1007/s12274-017-1886-7

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院固体物理研究所

	Remarkably enhanced water splitting activity of nickel foam due to simple immersion in a ferric nitrate solution
	Yin, Huajie 1; Jiang, Lixue 1; Liu, Porun 1; Al-Mamun, Mohammad 1; Wang, Yun 1; Zhong, Yu Lin 1; Yang, Huagui 1; Wang, Dan 1; Tang, Zhiyong 1; Zhao, Huijun 1,2
刊名	NANO RESEARCH
	2018-08-01
卷号	11 期号:8 页码:3959-3971
关键词	oxygen evolution reaction water electrolysis corrosion hydroxide nickel foam
ISSN号	1998-0124
DOI	10.1007/s12274-017-1886-7
通讯作者	Zhao, Huijun(h.zhao@griffith.edu.au)
英文摘要	The development of a facile method to construct a high-performance electrode is of paramount importance to the application of alkaline water electrolysis. Here, we report that the activity of nickel foam (NF) towards the oxygen evolution reaction (OER) can be enhanced remarkably through simple immersion in a ferric nitrate (Fe(NO3)(3)) solution at room temperature. During this immersion process, the oxidation of the NF surface by NO3 ions increases the near-surface concentrations of OH- and Ni2+, which results in the in situ deposition of a highly active amorphous Ni-Fe hydroxide (a-NiFeOxHy ) layer. Specifically, the OER overpotential of the NF electrode decreases from 371 mV (bare NF) to 270 mV (@10 mA.cm(-2) in 0.1 M KOH) after immersion in a 20 mM Fe(NO3)(3) solution for just 1 min. A longer immersion time results in further increased OER activity (196 mV@10 mA.cm(-2) in 1 M KOH). The overall water splitting properties of the a-NiFeOx H-y@NF electrode were evaluated using a two-electrode configuration. It is worth noting that the current density can reach 25 mA.cm(-2) in 6 M KOH at an applied voltage of 1.5 V at room temperature.
资助项目	Australian Research Council (ARC) ; National Natural Science Foundation of China[51372248] ; National Natural Science Foundation of China[51432009] ; Griffith University New Researcher Grant (NRG)
WOS关键词	OXYGEN EVOLUTION REACTION ; ELECTROCHEMICAL EVOLUTION ; REACTION ELECTROCATALYSTS ; OXIDATION CATALYSIS ; EVOLVING CATALYST ; RATIONAL DESIGN ; NANOWIRE ARRAYS ; BORATE BUFFER ; IRON-OXIDES ; NI
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
语种	英语
出版者	TSINGHUA UNIV PRESS
WOS记录号	WOS:000440733100001
资助机构	Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; Griffith University New Researcher Grant (NRG) ; 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内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/37718]
专题	合肥物质科学研究院_中科院固体物理研究所
通讯作者	Zhao, Huijun
作者单位	1.Griffith Univ, Ctr Clean Environm & Energy, Gold Coast Campus, Nathan, Qld 4222, Australia 2.Chinese Acad Sci, Inst Solid State Phys, Ctr Environm & Energy Nanomat, Hefei 230031, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Yin, Huajie,Jiang, Lixue,Liu, Porun,et al. Remarkably enhanced water splitting activity of nickel foam due to simple immersion in a ferric nitrate solution[J]. NANO RESEARCH,2018,11(8):3959-3971.
APA	Yin, Huajie.,Jiang, Lixue.,Liu, Porun.,Al-Mamun, Mohammad.,Wang, Yun.,...&Zhao, Huijun.(2018).Remarkably enhanced water splitting activity of nickel foam due to simple immersion in a ferric nitrate solution.NANO RESEARCH,11(8),3959-3971.
MLA	Yin, Huajie,et al."Remarkably enhanced water splitting activity of nickel foam due to simple immersion in a ferric nitrate solution".NANO RESEARCH 11.8(2018):3959-3971.