Adjusting the electronic structure by Ni incorporation: a generalized in situ electrochemical strategy to enhance water oxidation activity of oxyhydroxides

2017 ◽  
Vol 5 (26) ◽  
pp. 13336-13340 ◽  
Author(s):  
Yu Liang ◽  
Yifu Yu ◽  
Yi Huang ◽  
Yanmei Shi ◽  
Bin Zhang
Keyword(s):  
Electronic Structure ◽  
Oxygen Evolution ◽  
Water Oxidation ◽  
High Oxygen ◽  
Alkaline Media ◽  
Oxidation Activity ◽  
Electrocatalytic Performance

An in situ electrochemical Ni-incorporating strategy is developed to tailor the electronic structure of β-FeOOH and the as-prepared Ni incorporated β-FeOOH exhibits a high oxygen evolution electrocatalytic performance in alkaline media.

Electrocatalytic performance of different cobalt molybdate structures for water oxidation in alkaline media

CrystEngComm ◽  
2018 ◽  
Vol 20 (37) ◽  
pp. 5592-5601 ◽  
Author(s):  
Mariandry Rodriguez ◽  
Matheus C. P. Stolzemburg ◽  
Carlos G. O. Bruziquesi ◽  
Adilson C. Silva ◽  
Cíntia G. Abreu ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Alkaline Media ◽  
Α Phase ◽  
Electrocatalytic Performance ◽  
Cobalt Molybdate

Among the CoMoO4 polymorphs, the α-phase exhibits the highest performance for the oxygen evolution reaction.

In situ development of amorphous Mn–Co–P shell on MnCo2O4 nanowire array for superior oxygen evolution electrocatalysis in alkaline media

2018 ◽  
Vol 54 (9) ◽  
pp. 1077-1080 ◽  
Author(s):  
Jingrui Han ◽  
Shuai Hao ◽  
Zhiang Liu ◽  
Abdullah M. Asiri ◽  
Xuping Sun ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Water Oxidation ◽  
Nanowire Array ◽  
Alkaline Media ◽  
Core Shell ◽  
Ti Mesh

Core–shell Mn–Co–P@MnCo2O4 nanoarray on Ti mesh (Mn–Co–P@MnCo2O4/Ti) acts as a durable water oxidation electrocatalyst with an overpotential of 269 mV to drive 10 mA cm−2 in 1.0 M KOH.

A hierarchical CoTe2–MnTe2 hybrid nanowire array enables high activity for oxygen evolution reactions

2018 ◽  
Vol 54 (78) ◽  
pp. 10993-10996 ◽  
Author(s):  
Ziqiang Wang ◽  
Xiang Ren ◽  
Liang Wang ◽  
Guanwei Cui ◽  
Hongjing Wang ◽  
...  
Keyword(s):  
High Activity ◽  
Oxygen Evolution ◽  
Water Oxidation ◽  
Active Sites ◽  
Nanowire Array ◽  
Alkaline Media ◽  
Oxidation Activity

A hierarchical CoTe2–MnTe2 hybrid nanowire array exhibits enhanced water oxidation activity in alkaline media due to its excellent conductivity and rich active sites.

An Fe(TCNQ)2 nanowire array on Fe foil: an efficient non-noble-metal catalyst for the oxygen evolution reaction in alkaline media

2018 ◽  
Vol 54 (18) ◽  
pp. 2300-2303 ◽  
Author(s):  
Maowen Xie ◽  
Xiaoli Xiong ◽  
Lin Yang ◽  
Xifeng Shi ◽  
Abdullah M. Asiri ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Nanowire Array ◽  
Alkaline Media ◽  
Metal Catalyst ◽  
Noble Metal Catalyst ◽  
A Current

An Fe-(tetracyanoquinodimethane)2 nanowire array in situ developed on Fe foil (Fe(TCNQ)2/Fe) acts as an efficient and durable electrocatalyst for water oxidation, needing an overpotential of 340 mV to attain a current density of 10 mA cm−2 in 1.0 M KOH.

In situ formed VOOH nanosheet arrays anchored on a Ti3C2Tx MXene as a highly efficient and robust synergistic electrocatalyst for boosting water oxidation and reduction

2020 ◽  
Vol 8 (44) ◽  
pp. 23637-23644
Author(s):  
Liang Yan ◽  
Xuanwei Chen ◽  
Xiaojun Liu ◽  
Liping Chen ◽  
Bing Zhang
Keyword(s):  
Hydrogen Evolution ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Highly Efficient ◽  
Electrocatalytic Performance ◽  
Nanosheet Arrays

A novel VOOH/Ti3C2Tx MXene heterostructure was synthesized; it delivered enhanced electrocatalytic performance for the hydrogen evolution reaction and the oxygen evolution reaction.

Deeply Reconstructed Hierarchical and Defective NiOOH/FeOOH Nanoboxes with Accelerated Kinetics for Oxygen Evolution Reaction

2021 ◽  
Author(s):  
Ping Yan ◽  
Qian Liu ◽  
Hui Zhang ◽  
Luchun Qiu ◽  
Hao Bin Wu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Alkaline Media ◽  
Metal Phosphides ◽  
Transition Metal Phosphides

Transition metal phosphides (TMPs) have been reported as efficient pre-catalysts for oxygen evolution reaction (OER) in alkaline media. The in-situ generated metal oxyhydroxides on the surface of TMPs serve as...

In situ conversion of layered double hydroxide arrays into nanoflowers of NixV1−x-MOF as a highly efficient and stable electrocatalyst for the oxygen evolution reaction

2020 ◽  
Vol 10 (14) ◽  
pp. 4509-4512
Author(s):  
Mei-Hao Xiang ◽  
Changtong Lu ◽  
Lian Xia ◽  
Wenhui Zhang ◽  
Jian-Hui Jiang ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Layered Double Hydroxide ◽  
Oxygen Evolution Reaction ◽  
Alkaline Media ◽  
Highly Efficient ◽  
Double Hydroxide

The Ni0.9V0.1-MOF exhibits superior catalytic OER performance, needing an overpotential of 290 mV at 150 mA cm−2 in alkaline media.

scholarly journals Electronic structure effects on catalytic water oxidation activity by layered manganese oxide phases

2020 ◽  
Author(s):  
Michael Zdilla ◽  
Daniel R Strongin ◽  
John P Perdew ◽  
Eric Borguet ◽  
Michael L Klein ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Manganese Oxide ◽  
Water Oxidation ◽  
Oxidation Activity ◽  
Oxide Phases ◽  
Layered Manganese Oxide

In situ growth of layered double hydroxides on boehmite AlOOH for active and stable oxygen evolution in alkaline media

Nanoscale ◽  
2019 ◽  
Vol 11 (21) ◽  
pp. 10348-10357 ◽  
Author(s):  
Shijie He ◽  
Hua Lin
Keyword(s):  
High Activity ◽  
Oxygen Evolution ◽  
Layered Double Hydroxides ◽  
Oxygen Evolution Reaction ◽  
Alkaline Media ◽  
In Situ Growth ◽  
Stable Oxygen ◽  
Double Hydroxides

The composition with V- or Ni-doped AlOOH nanorods drives FeNi and FeCo layered double hydroxides to obtain both high activity and better stability for the oxygen evolution reaction.

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