Tuning the morphological and electronic structure of amorphous nickel-based electrocatalysts by anion regulation for water oxidation in neutral media

2019 ◽  
Vol 6 (11) ◽  
pp. 3093-3096 ◽  
Author(s):  
Gang Yuan ◽  
Yujie Hu ◽  
Qiwei Wang ◽  
Zihan Wang ◽  
Li Wang ◽  
...  
Keyword(s):  
Electronic Structure ◽  
High Activity ◽  
Water Oxidation ◽  
Oxidation Catalysts ◽  
Neutral Media ◽  
Neutral Conditions ◽  
Tunable Morphology

Self-supported water oxidation catalysts with high activity under neutral conditions were fabricated with tunable morphology and electronic structure by anion regulation.

Highly dispersed and disordered nickel–iron layered hydroxides and sulphides: robust and high-activity water oxidation catalysts

2018 ◽  
Vol 2 (7) ◽  
pp. 1561-1573 ◽  
Author(s):  
Manjunath Chatti ◽  
Alexey M. Glushenkov ◽  
Thomas Gengenbach ◽  
Gregory P. Knowles ◽  
Tiago C. Mendes ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
High Activity ◽  
Water Oxidation ◽  
Microwave Assisted Synthesis ◽  
Oxidation Catalysts ◽  
Alkaline Water ◽  
Nickel Iron ◽  
Microwave Assisted ◽  
Highly Dispersed

A rapid low-temperature microwave-assisted synthesis of nickel(iron) layered hydroxides and sulphides that exhibit robust catalytic activity for electrooxidation of alkaline water is introduced.

Mn doped porous cobalt nitride nanowires with high activity for water oxidation under both alkaline and neutral conditions

2017 ◽  
Vol 53 (99) ◽  
pp. 13237-13240 ◽  
Author(s):  
Yiqiang Sun ◽  
Tao Zhang ◽  
Xinyang Li ◽  
Dilong Liu ◽  
Guangqiang Liu ◽  
...  
Keyword(s):  
Carbon Fiber ◽  
High Activity ◽  
Water Oxidation ◽  
Carbon Fiber Cloth ◽  
Neutral Conditions ◽  
Mn Doped

We report the successful synthesis of Mn doped CoN nanowires on a carbon fiber cloth substrate (CFC) by a two-step strategy, which can be used as an efficient and stable OER electrocatalyst under both alkaline and neutral conditions.

scholarly journals Homogeneous photochemical water oxidation with metal salophen complexes in neutral media

2019 ◽  
Vol 18 (11) ◽  
pp. 2782-2791 ◽  
Author(s):  
Md. Ali Asraf ◽  
Chizoba I. Ezugwu ◽  
C. M. Zakaria ◽  
Francis Verpoort
Keyword(s):  
Water Oxidation ◽  
Oxidation Catalysts ◽  
Neutral Ph ◽  
Earth Abundant ◽  
Neutral Media

The development of water oxidation catalysts based on Earth-abundant metals that can function at neutral pH remains a basic chemical challenge.

Electrochemical water oxidation by cobalt-Prussian blue coordination polymer and theoretical studies of the electronic structure of the active species

2019 ◽  
Vol 48 (15) ◽  
pp. 4811-4822 ◽  
Author(s):  
Bruno M. Pires ◽  
Pãmyla L. dos Santos ◽  
Vera Katic ◽  
Stefan Strohauer ◽  
Richard Landers ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Coordination Polymer ◽  
Prussian Blue ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Active Species ◽  
Theoretical Studies ◽  
Earth Abundant ◽  
Neutral Conditions

The search for earth-abundant metal-based catalysts for the oxygen evolution reaction (OER) that operates in neutral conditions is a challenge in the field of sustainable energy.

In situ X-ray absorption spectroscopy of transition metal based water oxidation catalysts

2017 ◽  
Vol 46 (1) ◽  
pp. 102-125 ◽  
Author(s):  
Christina H. M. van Oversteeg ◽  
Hoang Q. Doan ◽  
Frank M. F. de Groot ◽  
Tanja Cuk
Keyword(s):  
Electronic Structure ◽  
Transition Metal ◽  
Absorption Spectroscopy ◽  
Water Oxidation ◽  
Oxidation Catalysts ◽  
X Ray ◽  
Absorption Studies ◽  
X Ray Absorption

X-ray absorption studies of the geometric and electronic structure of primarily heterogeneous Co, Ni, and Mn based water oxidation catalysts are reviewed.

An amorphous FeMoS4 nanorod array toward efficient hydrogen evolution electrocatalysis under neutral conditions

2017 ◽  
Vol 53 (64) ◽  
pp. 9000-9003 ◽  
Author(s):  
Xiang Ren ◽  
Weiyi Wang ◽  
Ruixiang Ge ◽  
Shuai Hao ◽  
Fengli Qu ◽  
...  
Keyword(s):  
High Activity ◽  
Hydrogen Evolution ◽  
Current Density ◽  
Nanorod Array ◽  
Carbon Cloth ◽  
Catalytic Current ◽  
Neutral Media ◽  
Neutral Conditions

As a durable catalyst, an FeMoS4 nanorod array on carbon cloth shows high activity for hydrogen evolution in neutral media, achieving a geometrical catalytic current density of 10 mA cm−2 at an overpotential of 204 mV.

scholarly journals Iridium-based complexes for water oxidation

2015 ◽  
Vol 44 (28) ◽  
pp. 12452-12472 ◽  
Author(s):  
Julianne M. Thomsen ◽  
Daria L. Huang ◽  
Robert H. Crabtree ◽  
Gary W. Brudvig
Keyword(s):  
High Activity ◽  
Water Oxidation ◽  
Oxidation Catalysts ◽  
Very High

Activation of organometallic Ir precatalysts can yield either homogeneous or heterogeneous water-oxidation catalysts with very high activity.

Tuning Electronic Structure of Self-supported Vertically Aligned CoFe LDH Arrays Integrated with Ni Foam toward High Efficient Electrocatalytic Water Oxidation

2021 ◽  
Author(s):  
Meng-Yang Li ◽  
Jun-Jun Zhang ◽  
Xiang Li ◽  
Weiwei Bao ◽  
Chunming Yang ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Hydrogen Production ◽  
High Activity ◽  
Water Splitting ◽  
Water Oxidation ◽  
Low Cost ◽  
Ni Foam ◽  
High Efficient ◽  
Vertically Aligned

Low cost electrodes with high activity and stability are the key to water splitting for green hydrogen production. Herein, an efficient integrated Ni/CoFe LDH array electrocatalyst is synthesized by an...

Cobalt–borate nanowire array as a high-performance catalyst for oxygen evolution reaction in near-neutral media

2017 ◽  
Vol 5 (16) ◽  
pp. 7291-7294 ◽  
Author(s):  
Xiang Ren ◽  
Ruixiang Ge ◽  
Yong Zhang ◽  
Danni Liu ◽  
Dan Wu ◽  
...  
Keyword(s):  
High Activity ◽  
Oxygen Evolution ◽  
Current Density ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
High Performance ◽  
Nanowire Array ◽  
Catalytic Current ◽  
Neutral Media ◽  
Ti Mesh

As a durable catalyst, cobalt–borate nanowire array on Ti mesh exhibits high activity for water oxidation in near-neutral media, thereby achieving a geometrical catalytic current density of 10 mA cm−2 at an overpotential of 420 mV.

Revisiting Dinuclear Ruthenium Water Oxidation Catalysts: Effect of Bridging Ligand Architecture on Catalytic Activity

2021 ◽  
Vol 60 (3) ◽  
pp. 1806-1813
Author(s):  
Husain N. Kagalwala ◽  
Mahesh S. Deshmukh ◽  
Elamparuthi Ramasamy ◽  
Neelima Nair ◽  
Rongwei Zhou ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Water Oxidation ◽  
Oxidation Catalysts ◽  
Bridging Ligand ◽  
Dinuclear Ruthenium
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