Solar-assisted co-electrolysis of glycerol and water for concurrent production of formic acid and hydrogen

2021 ◽  
Author(s):  
Zunjian Ke ◽  
Nicholas Williams ◽  
Xingxu Yan ◽  
Sabrina Younan ◽  
Dong He ◽  
...  
Keyword(s):  
Formic Acid ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Fossil Fuels ◽  
Water Electrolysis ◽  
Renewable Electricity ◽  
Promising Alternative ◽  
Cathodic Hydrogen Evolution

Renewable electricity-driven water splitting provides a pathway to manufacturing hydrogen as a promising alternative to fossil fuels. A typical water electrolysis device is comprised of a cathodic hydrogen evolution reaction...

scholarly journals Cobalt-Based Metal-Organic Frameworks and Their Derivatives for Hydrogen Evolution Reaction

2020 ◽  
Vol 8 ◽  
Author(s):  
Wenjuan Han ◽  
Minhan Li ◽  
Yuanyuan Ma ◽  
Jianping Yang
Keyword(s):  
Hydrogen Production ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Alternative Energy ◽  
Metal Organic Frameworks ◽  
Electrochemical Performances ◽  
Promising Alternative ◽  
Metal Organic ◽  
Electrochemical Water Splitting

Hydrogen has been considered as a promising alternative energy to replace fossil fuels. Electrochemical water splitting, as a green and renewable method for hydrogen production, has been drawing more and more attention. In order to improve hydrogen production efficiency and lower energy consumption, efficient catalysts are required to drive the hydrogen evolution reaction (HER). Cobalt (Co)-based metal-organic frameworks (MOFs) are porous materials with tunable structure, adjustable pores and large specific surface areas, which has attracted great attention in the field of electrocatalysis. In this review, we focus on the recent progress of Co-based metal-organic frameworks and their derivatives, including their compositions, morphologies, architectures and electrochemical performances. The challenges and development prospects related to Co-based metal-organic frameworks as HER electrocatalysts are also discussed, which might provide some insight in electrochemical water splitting for future development.

Ultralow Ru-assisted and Vanadium-doped Flower-like CoP/Ni2P Heterostructure for Efficient Water Splitting in Alkali and Seawater

2021 ◽  
Author(s):  
Qianli Ma ◽  
Huihui Jin ◽  
Fan-Jie Xia ◽  
Hanwen Xu ◽  
Jiawei Zhu ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Water Electrolysis ◽  
Cost Performance

High cost performance catalysts are urgently required for hydrogen production from electrochemical water electrolysis by the hydrogen evolution reaction (HER) and slow oxygen evolution reaction (OER). Herein, by means of...

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.

Rational composition and structural design of in situ grown nickel-based electrocatalysts for efficient water electrolysis

2016 ◽  
Vol 4 (1) ◽  
pp. 167-172 ◽  
Author(s):  
Xiangye Liu ◽  
Xin Wang ◽  
Xiaotao Yuan ◽  
Wujie Dong ◽  
Fuqiang Huang
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Structural Design ◽  
Water Electrolysis ◽  
Earth Abundant ◽  
Rational Composition

Earth-abundant and highly efficient electrocatalysts for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) are desired for water-splitting to produce hydrogen.

Recent advances in ruthenium-based electrocatalysts for the hydrogen evolution reaction

2020 ◽  
Vol 5 (1) ◽  
pp. 43-56 ◽  
Author(s):  
Seo-Yoon Bae ◽  
Javeed Mahmood ◽  
In-Yup Jeon ◽  
Jong-Beom Baek
Keyword(s):  
Environmental Pollution ◽  
Hydrogen Evolution ◽  
Water Splitting ◽  
Hydrogen Evolution Reaction ◽  
Fossil Fuels ◽  
Hydrogen Generation ◽  
Recent Advances

Exploration of electrocatalysts for clean and sustainable hydrogen generation from water splitting has received huge attention due to the depletion of fossil fuels and environmental pollution.

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.

Phosphorus modified mesoporous AuRh film as efficient bifunctional electrocatalysts for urea-assisted energy saving hydrogen production

2022 ◽  
Author(s):  
Mei Zhang ◽  
Zhongyao Duan ◽  
Lin Cui ◽  
Hongjie Yu ◽  
Ziqiang Wang ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Energy Saving ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxidation Reaction ◽  
Water Electrolysis ◽  
Global Energy ◽  
Bifunctional Electrocatalysts ◽  
Cathodic Hydrogen Evolution ◽  
Electrolysis System

Hybrid water electrolysis system composed of anodic urea oxidation reaction (UOR) and cathodic hydrogen evolution reaction (HER) has been regarded as a green and sustainable route to alleviate global energy...

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...

scholarly journals A Mini Review on Doped Nickel-Based Electrocatalysts for Hydrogen Evolution Reaction

Energies ◽  
2020 ◽  
Vol 13 (18) ◽  
pp. 4651
Author(s):  
Yilin Deng ◽  
Wei Lai ◽  
Bin Xu
Keyword(s):  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Water Electrolysis ◽  
Energy Resources ◽  
Alkaline Media ◽  
Hydrogen Energy ◽  
Heteroatom Doping ◽  
Highly Active ◽  
Production Of Hydrogen

The energy crisis and environmental pollution have attracted much attention and have promoted researches on clean and sustainable hydrogen energy resources. With the help of highly active and stable transition metal nickel-based catalysts, the production of hydrogen from water electrolysis from electrolyzed water has become an inexpensive and efficient strategy for generating hydrogen energy. In recent years, heteroatom doping has been found to be an effective strategy to improve the electrocatalytic hydrogen evolution reaction (HER) performances of nickel-based catalysts in acidic, neutral, and alkaline media. This review will highlight many recent works of inexpensive and readily available heteroatom-doped nickel-based HER catalysts. The evaluation methods for the performances of HER catalyst will be briefly described, and the role of heteroatom doping and its application in nickel-based catalyst will be summarized. This article will also point out some heteroatom doping strategies, which may provide references and inspire the design of other catalysts with dopants.

scholarly journals Engineering single-atomic ruthenium catalytic sites on defective nickel-iron layered double hydroxide for overall water splitting

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Panlong Zhai ◽  
Mingyue Xia ◽  
Yunzhen Wu ◽  
Guanghui Zhang ◽  
Junfeng Gao ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Layered Double Hydroxide ◽  
Hydrogen Evolution Reaction ◽  
Active Sites ◽  
Density Functional ◽  
Rational Design ◽  
Single Atom ◽  
Nickel Iron ◽  
Double Hydroxide

AbstractRational design of single atom catalyst is critical for efficient sustainable energy conversion. However, the atomic-level control of active sites is essential for electrocatalytic materials in alkaline electrolyte. Moreover, well-defined surface structures lead to in-depth understanding of catalytic mechanisms. Herein, we report a single-atomic-site ruthenium stabilized on defective nickel-iron layered double hydroxide nanosheets (Ru1/D-NiFe LDH). Under precise regulation of local coordination environments of catalytically active sites and the existence of the defects, Ru1/D-NiFe LDH delivers an ultralow overpotential of 18 mV at 10 mA cm−2 for hydrogen evolution reaction, surpassing the commercial Pt/C catalyst. Density functional theory calculations reveal that Ru1/D-NiFe LDH optimizes the adsorption energies of intermediates for hydrogen evolution reaction and promotes the O–O coupling at a Ru–O active site for oxygen evolution reaction. The Ru1/D-NiFe LDH as an ideal model reveals superior water splitting performance with potential for the development of promising water-alkali electrocatalysts.

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