Organic Proton‐Buffer Electrode to Separate Hydrogen and Oxygen Evolution in Acid Water Electrolysis

2019 ◽  
Vol 131 (14) ◽  
pp. 4670-4674 ◽  
Author(s):  
Yuanyuan Ma ◽  
Zhaowei Guo ◽  
Xiaoli Dong ◽  
Yonggang Wang ◽  
Yongyao Xia
Keyword(s):  
Oxygen Evolution ◽  
Water Electrolysis ◽  
Acid Water ◽  
Buffer Electrode

Organic Proton‐Buffer Electrode to Separate Hydrogen and Oxygen Evolution in Acid Water Electrolysis

2019 ◽  
Vol 58 (14) ◽  
pp. 4622-4626 ◽  
Author(s):  
Yuanyuan Ma ◽  
Zhaowei Guo ◽  
Xiaoli Dong ◽  
Yonggang Wang ◽  
Yongyao Xia
Keyword(s):  
Oxygen Evolution ◽  
Water Electrolysis ◽  
Acid Water ◽  
Buffer Electrode

scholarly journals The Effect of Iron Impurities on Transition Metal Catalysts for the Oxygen Evolution Reaction in Alkaline Environment: Activity Mediators or Active Sites?

2020 ◽  
Author(s):  
Ioannis Spanos ◽  
Justus Masa ◽  
Aleksandar Zeradjanin ◽  
Robert Schlögl
Keyword(s):  
Transition Metal ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Active Sites ◽  
Water Electrolysis ◽  
Metal Catalysts ◽  
Transition Metal Catalysts ◽  
Alkaline Water Electrolysis ◽  
Co Catalysts ◽  
Model Transition

AbstractThere is an ongoing debate on elucidating the actual role of Fe impurities in alkaline water electrolysis, acting either as reactivity mediators or as co-catalysts through synergistic interaction with the main catalyst material. This perspective summarizes the most prominent oxygen evolution reaction (OER) mechanisms mostly for Ni-based oxides as model transition metal catalysts and highlights the effect of Fe incorporation on the catalyst surface in the form of impurities originating from the electrolyte or co-precipitated in the catalyst lattice, in modulating the OER reaction kinetics, mechanism and stability. Graphic Abstract

Hierarchical Microsphere MOF Arrays with Ultralow Ir Doping for Efficient Hydrogen Evolution Coupled with Hydrazine Oxidation in Seawater

2021 ◽  
Author(s):  
Xuejun Zhai ◽  
Qingping Yu ◽  
Guishan Liu ◽  
Junlu Bi ◽  
Yu Zhang ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Hydrogen Evolution ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Water Electrolysis ◽  
Efficient Catalyst ◽  
Hydrazine Oxidation ◽  
Renewable Hydrogen

Hydrogen evolution reaction (HER) based on water electrolysis is promising for renewable hydrogen production. Limited by sluggish anodic oxygen evolution reaction (OER), rational fabrication of efficient catalyst for HER coupled...

Enhanced Oxygen Evolution during Water Electrolysis at De-Alloyed Nickel Thin Film Electrodes

2017 ◽  
Vol 164 (12) ◽  
pp. F1196-F1203 ◽  
Author(s):  
A. Delvaux ◽  
Q. Van Overmeere ◽  
R. Poulain ◽  
J. Proost
Keyword(s):  
Thin Film ◽  
Oxygen Evolution ◽  
Water Electrolysis ◽  
Thin Film Electrodes ◽  
Alloyed Nickel

Lattice Oxygen Redox Chemistry in Solid-State Electrocatalysts for Water Oxidation

2021 ◽  
Author(s):  
Ning Zhang ◽  
Yang Chai
Keyword(s):  
Solid State ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Water Electrolysis ◽  
Redox Chemistry ◽  
Lattice Oxygen ◽  
Vital Importance ◽  
Production Of Hydrogen ◽  
Overall Efficiency

Fundamental understandings towards oxygen evolution reaction (OER) are of vital importance as it dominates the overall efficiency of water electrolysis – a compelling technique for sustainable production of hydrogen feedstock....

Superior performance and stability of anion exchange membrane water electrolysis: pH-controlled copper cobalt oxide nanoparticles for the oxygen evolution reaction

2020 ◽  
Vol 8 (8) ◽  
pp. 4290-4299 ◽  
Author(s):  
Myeong Je Jang ◽  
Juchan Yang ◽  
Jongmin Lee ◽  
Yoo Sei Park ◽  
Jaehoon Jeong ◽  
...  
Keyword(s):  
Cobalt Oxide ◽  
Anion Exchange ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Electrolysis ◽  
Anion Exchange Membrane ◽  
Superior Performance ◽  
Oxide Nanoparticles ◽  
Cobalt Oxide Nanoparticles ◽  
Exchange Membrane

Cu0.5Co2.5O4 nanoparticles are obtained by changes in the pH and applied as the anode in anion exchange membrane water electrolysis.

Development of Ni–Fe based ternary metal hydroxides as highly efficient oxygen evolution catalysts in AEM water electrolysis for hydrogen production

2020 ◽  
Vol 45 (46) ◽  
pp. 24232-24247 ◽  
Author(s):  
Adeline Loh ◽  
Xiaohong Li ◽  
Oluwadamilola O. Taiwo ◽  
Farid Tariq ◽  
Nigel P. Brandon ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Oxygen Evolution ◽  
Water Electrolysis ◽  
Metal Hydroxides ◽  
Highly Efficient ◽  
Ternary Metal
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