Study of “Ni-doping” and “open-pore microstructure” as physico-electrochemical stimuli towards the electrocatalytic efficiency of Ni/NiO for the oxygen evolution reaction

2020 ◽  
Vol 44 (40) ◽  
pp. 17507-17517
Author(s):  
Mahesh Kumar Paliwal ◽  
Sumanta Kumar Meher
Keyword(s):  
Oxygen Evolution ◽  
Alkaline Medium ◽  
Oxygen Evolution Reaction ◽  
Ni Doping ◽  
Pore Microstructure ◽  
Low Overpotential

Added “Ni-doping” and “open-pore microstructure” act as physico-electrochemical stimuli towards enhanced electrocatalytic efficiency and electromechanical stability of Ni/NiO for the low-overpotential oxygen evolution reaction in alkaline medium.

Enhanced oxygen evolution catalytic activity of NiS2 by coupling with ferrous phosphite and phosphide

2021 ◽  
Vol 5 (6) ◽  
pp. 1801-1808
Author(s):  
Jie Yu ◽  
Tao Zhang ◽  
Changchang Xing ◽  
Xuejiao Li ◽  
Xinyang Li ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Tafel Slope ◽  
Low Overpotential

NiS2/Fe-P nanospheres were developed as an efficient oxygen evolution reaction electrocatalyst with a low overpotential (218 mV @ 10 mA cm−2 and 306 mV @ 800 mA cm−2) and Tafel slope (47.5 mV dec−1).

Iron phosphide nanoparticles as an efficient electrocatalyst for the OER in alkaline solution

2016 ◽  
Vol 4 (25) ◽  
pp. 9750-9754 ◽  
Author(s):  
J. Masud ◽  
S. Umapathi ◽  
N. Ashokaan ◽  
M. Nath
Keyword(s):  
Oxygen Evolution ◽  
Alkaline Medium ◽  
Alkaline Solution ◽  
Current Density ◽  
Exchange Current ◽  
Exchange Current Density ◽  
Iron Phosphide ◽  
Onset Potential ◽  
Low Overpotential

Ultrasmall FeP nanoparticles have been reported as an efficient oxygen evolution electrocatalyst in alkaline medium with low onset potential for oxygen evolution and require low overpotential to reach 10 mA cm−2 exchange current density.

Exfoliation of ultrathin FePS3 layers as a promising electrocatalyst for the oxygen evolution reaction

2018 ◽  
Vol 54 (35) ◽  
pp. 4481-4484 ◽  
Author(s):  
Wen Zhu ◽  
Wei Gan ◽  
Zahir Muhammad ◽  
Changda Wang ◽  
Chuanqiang Wu ◽  
...  
Keyword(s):  
Ball Milling ◽  
Oxygen Evolution ◽  
Alkaline Medium ◽  
Oxygen Evolution Reaction ◽  
Chemical Vapor ◽  
Vapor Transport ◽  
Chemical Vapor Transport ◽  
Electrocatalytic Performance

Few-layer ternary FePS3 nanosheets, prepared via chemical vapor transport synthesis and ball-milling exfoliation, exhibit excellent electrocatalytic performance for the oxygen evolution reaction in an alkaline medium.

Synergistically boosting the oxygen evolution reaction of an Fe-MOF via Ni doping and fluorination

2020 ◽  
Vol 56 (57) ◽  
pp. 7889-7892 ◽  
Author(s):  
Hui Liu ◽  
Meng Zha ◽  
Zong Liu ◽  
Jingqi Tian ◽  
Guangzhi Hu ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Ni Doping ◽  
Efficient Approach

An efficient approach to boost the oxygen evolution activity of Fe-MOF nanorods was demonstrated by a synergistic strategy of Ni doping and fluorination.

scholarly journals Stability profiles of transition metal oxides in the oxygen evolution reaction in alkaline medium

2019 ◽  
Vol 7 (45) ◽  
pp. 25865-25877 ◽  
Author(s):  
Aliki Moysiadou ◽  
Xile Hu
Keyword(s):  
Transition Metal ◽  
Metal Ions ◽  
Metal Oxides ◽  
Oxygen Evolution ◽  
Alkaline Medium ◽  
Transition Metal Oxides ◽  
Oxygen Evolution Reaction ◽  
Electrolyte Solutions ◽  
Compositional Changes ◽  
Dynamic Exchange

Metal oxides undergo compositional changes due to a dynamic exchange of metal ions with the electrolyte solutions during the oxygen evolution reaction.

Zinc-telluride nanospheres as an efficient water oxidation electrocatalyst displaying a low overpotential for oxygen evolution

2019 ◽  
Vol 7 (46) ◽  
pp. 26410-26420 ◽  
Author(s):  
Maira Sadaqat ◽  
Laraib Nisar ◽  
Noor-Ul-Ain Babar ◽  
Fayyaz Hussain ◽  
Muhammad Naeem Ashiq ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Zinc Telluride ◽  
Low Overpotential ◽  
Electrochemical Water Splitting ◽  
Kinetics Of

Electrochemical water splitting is economically unviable due to the sluggish kinetics of the anodically uphill oxygen evolution reaction (OER).

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