Ordered Mesoporous Cobalt-Nickel Nitride Prepared by Nanocasting for Oxygen Evolution Reaction Electrocatalysis

doi:10.1002/admi.201900960

SIC OpenIR

	Ordered Mesoporous Cobalt-Nickel Nitride Prepared by Nanocasting for Oxygen Evolution Reaction Electrocatalysis
	Saad, Ali; Cheng, Zhixing; Zhang, Xuyang; Liu, Siqi; Shen, Hanglia; Thomas, Tiju; Wang, Jiacheng; Yang, Minghui
	2019-10-01
Source Publication	ADVANCED MATERIALS INTERFACES
ISSN	2196-7350
Volume	6 Issue:20
Subtype	Article
Abstract	Transition metal nitrides are of considerable interest for energy conversion and storage applications. Given this, synthesis of nanostructured 3D transition metal nitrides is of contemporary interest. Here, a hard templating simple and efficient pathway to synthesize 3D ordered-mesoporous ternary nitrides NiCo2N is reported using the mesoporous silica KIT-6 hard template. Benefitting from its large surface area and accessible pores, uniform shape, and enhanced infiltration capacity for electrolyte, mesoporous NiCo2N demonstrates superior electrode performance for oxygen evolution reaction (OER) in alkaline medium. As-synthesized mesoporous ternary nitride NiCo2N shows desirable performance with very low overpotential (289 mV), and yields approximate to 10 mA cm(-2) geometric current density. This is lower than the values of IrO2 and that of mesoporous binary nitrides CoN and Ni3N electrocatalysts. NiCo2N shows a small Tafel slope and smallest semicircle. Moreover, as-synthesized NiCo2N exhibits low loss of activity after 10 h test for OER in alkaline solution. This work explores a promising way to produce OER electrocatalyst Co-Ni-based ternary nitrides for water splitting applications.
Keyword	hard templating pathway NiCo2N ternary nitride ordered mesoporous structure oxygen evolution reaction
DOI	10.1002/admi.201900960
Language	英语
WOS Research Area	Chemistry ; Materials Science
Publisher	WILEY
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/26889
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Saad, Ali,Cheng, Zhixing,Zhang, Xuyang,et al. Ordered Mesoporous Cobalt-Nickel Nitride Prepared by Nanocasting for Oxygen Evolution Reaction Electrocatalysis[J]. ADVANCED MATERIALS INTERFACES,2019,6(20).
APA	Saad, Ali.,Cheng, Zhixing.,Zhang, Xuyang.,Liu, Siqi.,Shen, Hanglia.,...&Yang, Minghui.(2019).Ordered Mesoporous Cobalt-Nickel Nitride Prepared by Nanocasting for Oxygen Evolution Reaction Electrocatalysis.ADVANCED MATERIALS INTERFACES,6(20).
MLA	Saad, Ali,et al."Ordered Mesoporous Cobalt-Nickel Nitride Prepared by Nanocasting for Oxygen Evolution Reaction Electrocatalysis".ADVANCED MATERIALS INTERFACES 6.20(2019).

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