Issue 8, 2017

NiSe2 pyramids deposited on N-doped graphene encapsulated Ni foam for high-performance water oxidation

Abstract

The development of highly efficient water oxidation electrocatalysts made of low-cost and earth-abundant elements is a prerequisite. Sluggish kinetics in the reaction of water splitting is the major obstacle. Herein, we report the fabrication of a robust catalyst for the oxygen evolution reaction (OER) based on the hybrid of N-doped graphene coupled metallic NiSe2 pyramids (NG/NiSe2/NF). The reaction kinetics has greatly increased due to the synergistic effects of the two components providing enhanced electroconductibility and increased active sites. The NG/NiSe2/NF electrode exhibits superior water oxidation ability and cycle stability. This approach opens ways to design effective oxygen evolution electrodes.

Graphical abstract: NiSe2 pyramids deposited on N-doped graphene encapsulated Ni foam for high-performance water oxidation

Supplementary files

Article information

Article type
Paper
Submitted
30 Nov 2016
Accepted
18 Jan 2017
First published
18 Jan 2017

J. Mater. Chem. A, 2017,5, 3981-3986

NiSe2 pyramids deposited on N-doped graphene encapsulated Ni foam for high-performance water oxidation

J. Yu, Q. Li, C. Xu, N. Chen, Y. Li, H. Liu, L. Zhen, V. P. Dravid and J. Wu, J. Mater. Chem. A, 2017, 5, 3981 DOI: 10.1039/C6TA10303K

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