Oxygen Evolution Reaction Dynamics, Faradaic Charge Efficiency, and the Active Metal Redox States of Ni–Fe Oxide Water Splitting Electrocatalysts

2016 ◽  
Vol 138 (17) ◽  
pp. 5603-5614 ◽  
Author(s):  
Mikaela Görlin ◽  
Petko Chernev ◽  
Jorge Ferreira de Araújo ◽  
Tobias Reier ◽  
Sören Dresp ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Reaction Dynamics ◽  
Fe Oxide ◽  
Redox States ◽  
Active Metal ◽  
Metal Redox

Tracking Catalyst Redox States and Reaction Dynamics in Ni–Fe Oxyhydroxide Oxygen Evolution Reaction Electrocatalysts: The Role of Catalyst Support and Electrolyte pH

2017 ◽  
Vol 139 (5) ◽  
pp. 2070-2082 ◽  
Author(s):  
Mikaela Görlin ◽  
Jorge Ferreira de Araújo ◽  
Henrike Schmies ◽  
Denis Bernsmeier ◽  
Sören Dresp ◽  
...  
Keyword(s):  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Catalyst Support ◽  
Reaction Dynamics ◽  
Redox States ◽  
Electrolyte Ph

Mesoporous Ni–Fe oxide multi-composite hollow nanocages for efficient electrocatalytic water oxidation reactions

2017 ◽  
Vol 5 (9) ◽  
pp. 4320-4324 ◽  
Author(s):  
Bong Kyun Kang ◽  
Moo Hyun Woo ◽  
Jooyoung Lee ◽  
Young Hyun Song ◽  
Zhongli Wang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Anode Material ◽  
Oxygen Evolution Reaction ◽  
Water Oxidation ◽  
Cycling Stability ◽  
Great Promise ◽  
Oxidation Reactions ◽  
Fe Oxide ◽  
Excellent Cycling Stability

The mesoporous NiO/NiFe2O4multi-composite hollow nanocage electrodes are fabricated and achieve a low overpotential (303 mV at 10 mV cm−2) and Tafel plot (58.5 mV dec−1), respectively, and excellent cycling stability (12 h) as an anode material for oxygen evolution reaction, holding great promise for water splitting.

Hierarchically porous FeNi3@FeNi layered double hydroxide nanostructures: One-step fast electrodeposition and highly efficient electrocatalytic performances for overall water splitting

2021 ◽  
Author(s):  
Zihao Liu ◽  
Shifeng Li ◽  
Fangfang Wang ◽  
Mingxia Li ◽  
Yonghong Ni
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Layered Double Hydroxide ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Hierarchically Porous ◽  
One Step ◽  
Double Hydroxide

FeNi-layered double hydroxide (LDH) is thought to be an excellent electrocatalyst for oxygen evolution reaction (OER), but it always shows extremely poor electrocatalytic activity toward hydrogen evolution reaction (HER) in...

High Surface Area NiCoP Nanostructure as Efficient Water Splitting Electrocatalyst for the Oxygen Evolution Reaction

2021 ◽  
pp. 111312
Author(s):  
Sisir Maity ◽  
Dheeraj Kumar Singh ◽  
Divya Bhutani ◽  
Suchitra Prasad ◽  
Umesh V. Waghmare ◽  
...  
Keyword(s):  
Surface Area ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
High Surface ◽  
High Surface Area

Cathodic Corrosion Activated Fe-based Nanoglass as Highly-Active and -Stable Oxygen Evolution Catalyst for Water Splitting

2021 ◽  
Author(s):  
Kaiyao Wu ◽  
Fei Chu ◽  
Yuying Meng ◽  
Kaveh Edalati ◽  
Qingsheng Gao ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Amorphous Alloys ◽  
Precious Metal ◽  
Active Sites ◽  
Metal Free ◽  
Highly Active ◽  
Stable Oxygen ◽  
Surface Active

Transition metal-based amorphous alloys have attracted increasing attention as precious-metal-free electrocatalysts for oxygen evolution reaction (OER) of water splitting due to their high macro-conductivity and abundant surface active sites. However,...

scholarly journals Stainless steel made to rust: a robust water-splitting catalyst with benchmark characteristics

2015 ◽  
Vol 8 (9) ◽  
pp. 2685-2697 ◽  
Author(s):  
Helmut Schäfer ◽  
Shamaila Sadaf ◽  
Lorenz Walder ◽  
Karsten Kuepper ◽  
Stephan Dinklage ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Surface Oxidation

Stainless steel was upon electro-initiated surface oxidation converted in an oxygen evolution reaction (OER) electrocatalyst with benchmark properties.

Synergistic modulation of the metal-free photocatalysts by composition ratio change and heteroatom doping for overall water splitting

2021 ◽  
Author(s):  
Jianxiong Tian ◽  
Zhaobo Zhou ◽  
Sheng Zhang ◽  
Zhixia Li ◽  
Li Shi ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Carbon Nitride ◽  
Reaction Rate ◽  
Graphitic Carbon Nitride ◽  
Heteroatom Doping ◽  
Metal Free ◽  
Ratio Change ◽  
Synergistic Modulation

The graphitic carbon nitride (g-C3N4) based metal-free photocatalyts have attracted growing attention in recent years, while the efficiency is largely limited by the slow reaction rate of oxygen evolution reaction...

Constructing oxygen vacancy-enriched Fe2O3@NiO heterojunctions for highly efficient electrocatalytic alkaline water splitting

CrystEngComm ◽  
2021 ◽  
Author(s):  
Yan Sang ◽  
Xi Cao ◽  
Gaofei Ding ◽  
Zixuan Guo ◽  
Yingying Xue ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
High Purity ◽  
Oxygen Evolution Reaction ◽  
High Efficiency ◽  
Low Cost ◽  
Dual Function ◽  
Alkaline Water ◽  
High Purity Hydrogen

Electrolysis of water to produce high-purity hydrogen is a very promising method. The development of green, high-efficiency, long-lasting and low-cost dual function electrocatalysts for oxygen evolution reaction (OER) and hydrogen...

Boosting Oxygen Evolution Activity of NiFe-LDH Enabled by Oxygen Vacancy and Morphological Engineering

2021 ◽  
Author(s):  
ShuXuan Liu ◽  
Huiwen Zhang ◽  
Enlai Hu ◽  
Tuyuan Zhu ◽  
ChunYan Zhou ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Layered Double Hydroxides ◽  
Oxygen Evolution Reaction ◽  
Oxidation Process ◽  
Double Hydroxides

The sluggish kinetics and four electron oxidation process of oxygen evolution reaction (OER) limit the application of water splitting. Recently, NiFe-layered double hydroxides (NiFe LDHs) have shown great potential to...

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