Designed Formation of Double-Shelled Ni-Fe Layered-Double-Hydroxide Nanocages for Efficient Oxygen Evolution Reaction

Advanced Materials
Jintao ZhangXiong Wen David Lou

Abstract

Delicate design of nanostructures for oxygen-evolution electrocatalysts is an important strategy for accelerating the reaction kinetics of water splitting. In this work, Ni-Fe layered-double-hydroxide (LDH) nanocages with tunable shells are synthesized via a facile one-pot self-templating method. The number of shells can be precisely controlled by regulating the template etching at the interface. Benefiting from the double-shelled structure with large electroactive surface area and optimized chemical composition, the hierarchical Ni-Fe LDH nanocages exhibit appealing electrocatalytic activity for the oxygen evolution reaction in alkaline electrolyte. Particularly, double-shelled Ni-Fe LDH nanocages can achieve a current density of 20 mA cm-2 at a low overpotential of 246 mV with excellent stability.

References

Mar 7, 2013·Scientific Reports·Zhiyu WangXiong Wen David Lou
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Feb 13, 2015·Chemical Society Reviews·Yan JiaoShi Zhang Qiao
Mar 26, 2016·Science·Bo ZhangEdward H Sargent
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Oct 8, 2016·Chemical Reviews·Gonzalo PrietoFerdi Schüth
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Jan 14, 2017·Chemical Society Reviews·Nian-Tzu SuenHao Ming Chen
Jan 17, 2017·Advanced Materials·Le YuXiong Wen David Lou
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Aug 29, 2017·Science Advances·Jianwei NaiXiong Wen David Lou
Aug 15, 2018·Advanced Materials·Guowu ZhanHua Chun Zeng
Nov 16, 2018·Advanced Materials·Keke HuangShouhua Feng
Mar 20, 2019·Proceedings of the National Academy of Sciences of the United States of America·Yun KuangHongjie Dai

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Citations

Aug 15, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Jingfang ZhangYi Huang
Jan 20, 2021·Journal of the American Chemical Society·Wenhui WangUtkur Mirsaidov
Feb 18, 2021·Chemical Communications : Chem Comm·Yongji QinJunfeng Liu

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