Stabilization of Ruthenium Nanoparticles over NiV-LDH Surface for Enhanced Electrochemical Water Splitting: An Oxygen Vacancy Approach

2022 ◽  
Author(s):  
Arun Karmakar ◽  
Karthick Kannimuthu ◽  
S. Sam Sankar ◽  
K. Sangeetha ◽  
Ragunath Madhu ◽  
...  
Keyword(s):  
Transition Metal ◽  
Oxygen Vacancy ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Ruthenium Nanoparticles ◽  
Layer Double Hydroxide ◽  
Electrochemical Water Splitting ◽  
Double Hydroxide

In a search of alternates for oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), out of various transition metal based electrocatalysts, layer double hydroxide (LDHs) based materials are attracted...

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...

Sulfur doped ruthenium nanoparticles as a highly efficient electrocatalyst for hydrogen evolution reaction in alkaline media

2021 ◽  
Author(s):  
Cong Lin ◽  
Hongbao Li ◽  
Cheng-Zong Yuan ◽  
Zhengkun Yang ◽  
Hanbao Chong ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Crucial Role ◽  
Alkaline Media ◽  
Energy Crisis ◽  
Ruthenium Nanoparticles ◽  
Highly Efficient ◽  
Electrochemical Water Splitting

Efficient catalysts for hydrogen evolution reaction (HER) play a crucial role in electrochemical water splitting, which is one of the most promising approaches to alleviate the problem of energy crisis...

Enhancing hydrogen evolution reaction through modulating electronic structure of self-supported NiFe LDH

2020 ◽  
Vol 10 (13) ◽  
pp. 4184-4190 ◽  
Author(s):  
Xiao-Peng Li ◽  
Wen-Kai Han ◽  
Kang Xiao ◽  
Ting Ouyang ◽  
Nan Li ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Layered Double Hydroxide ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Alkaline Electrolyte ◽  
Overall Water Splitting ◽  
Double Hydroxide

NiFe-layered double hydroxide (NiFe LDH), as an efficient oxygen evolution reaction (OER) electrocatalyst, has emerged as a promising electrocatalyst for catalyzing overall water splitting in alkaline electrolyte.

Interface engineering of oxygen-vacancy-rich NiCo2O4/NiCoP heterostructure as an efficient bifunctional electrocatalyst for overall water splitting

2020 ◽  
Vol 10 (16) ◽  
pp. 5559-5565 ◽  
Author(s):  
Wei Jin ◽  
Jianping Chen ◽  
Hengbo Wu ◽  
Nan Zang ◽  
Qingwei Li ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Energy Conversion ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Interface Engineering ◽  
Bifunctional Electrocatalyst ◽  
Overall Water Splitting

Inexpensive bifunctional electrocatalysts towards oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) is highly desirable from the perspective of energy conversion.

Surface engineering CoP/Co3O4 heterojunction for high performance bi-functional water splitting electro-catalysis

Nanoscale ◽  
2021 ◽  
Author(s):  
Xintong LI ◽  
Yizhe Liu ◽  
Qidi Sun ◽  
Wei-Hsiang Huang ◽  
Zilong Wang ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
High Performance ◽  
Surface Engineering ◽  
Electro Catalysis ◽  
Electrochemical Water Splitting ◽  
Splitting Process

In electrochemical water splitting process, integrating hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in the same electrolyte with same catalyst is highly beneficial for increasing the energy efficiency...

Nanostructured catalysts for electrochemical water splitting: current state and prospects

2016 ◽  
Vol 4 (31) ◽  
pp. 11973-12000 ◽  
Author(s):  
Xiumin Li ◽  
Xiaogang Hao ◽  
Abuliti Abudula ◽  
Guoqing Guan
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Nanostructured Catalysts ◽  
Water Electrolysis ◽  
Liquid Electrolyte ◽  
Current State ◽  
Electrochemical Water Splitting

The fundamentals of water electrolysis, current popular electrocatalysts developed for cathodic hydrogen evolution reaction (HER) and anodic oxygen evolution reaction (OER) in liquid electrolyte water electrolysis are reviewed and discussed.

Hierarchical FeCo2S4@CoFe layered double hydroxide on Ni foam as a bifunctional electrocatalyst for overall water splitting

2020 ◽  
Vol 10 (5) ◽  
pp. 1292-1298 ◽  
Author(s):  
Yunxia Huang ◽  
Xiaojuan Chen ◽  
Shuaipeng Ge ◽  
Qiqi Zhang ◽  
Xinran Zhang ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
High Efficiency ◽  
Low Cost ◽  
Water Electrolysis ◽  
Ni Foam ◽  
Bifunctional Electrocatalyst ◽  
Double Hydroxide

Designing high-efficiency and low-cost bifunctional electrocatalysts for both the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is of great significance to produce hydrogen by water electrolysis.

Sulfide-oxidation-assisted electrochemical water splitting for H2 production on a bifunctional Cu2S/nickel foam catalyst

2021 ◽  
Author(s):  
Yuhou Pei ◽  
Jiong Cheng ◽  
Heng Zhong ◽  
Zhenfeng Pi ◽  
Zhao Yu ◽  
...  
Keyword(s):  
Energy Consumption ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Oxidation Reaction ◽  
Nickel Foam ◽  
Sulfide Oxidation ◽  
H2 Production ◽  
Electro Oxidation ◽  
Electrochemical Water Splitting

Replacing the sluggish oxygen evolution reaction (OER) by sulfide electro-oxidation reaction (SOR) could be a promising way to decrease the energy consumption for hydrogen evolution reaction (HER) and to treat...

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