A 3D porous Ni-CeO2 nanosheet array as a highly efficient electrocatalyst toward alkaline hydrogen evolution

Dalton Transactions : an International Journal of Inorganic Chemistry
Zhaomei SunBo Tang

Abstract

In this Communication, we report a 3D porous Ni-CeO2 nanosheet array supported on a Ti mesh (Ni-CeO2/TM) as an excellent electrocatalyst toward the alkaline hydrogen evolution reaction. To afford a current density of 10 mA cm-2, Ni-CeO2/TM requires an overpotential as low as 67 mV, 77 mV lower than that of Ni/TM. Furthermore, the electrocatalyst shows good electrochemical durability with nearly 100% faradaic efficiency.

References

Nov 20, 2001·Nature·M S Dresselhaus, I L Thomas
Oct 26, 2002·Physical Review Letters·N V SkorodumovaB Johansson
Jun 9, 2010·Advanced Materials·Yanguang LiYiying Wu
Oct 24, 2015·Chemistry : a European Journal·Junfeng Xie, Yi Xie
Aug 9, 2016·Chemical Communications : Chem Comm·Xu LiHua Gui Yang
May 6, 2017·Chemistry : a European Journal·Mao MiaoXin Wang
May 26, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Yiming AnShihe Yang
Jan 10, 2018·Chemical Communications : Chem Comm·Ziqiang WangQiuju Zhang

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Methods Mentioned

BETA
X-ray
transmission electron microscopy
electron diffraction

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