Competing hydrogen evolution reaction: a challenge in electrocatalytic nitrogen fixation

2021 ◽  
Author(s):  
Jiangyue Chen ◽  
Hui Cheng ◽  
Liang-Xin Ding ◽  
Haihui Wang
Keyword(s):  
Nitrogen Fixation ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Reduction Reaction ◽  
Human Beings ◽  
Bosch Process ◽  
Important Chemical

Ammonia (NH3) is an important chemical for human beings; however, the majority of NH3 is produced by the energy-intensive and environmentally unfriendly Haber–Bosch process. Electrocatalytic N2 reduction reaction (NRR) under...

Strain induced rich planar defects in heterogeneous WS2/WO2 enable efficient nitrogen fixation at low overpotential

2020 ◽  
Vol 8 (26) ◽  
pp. 12996-13003 ◽  
Author(s):  
Ying Ling ◽  
Farhad M. D. Kazim ◽  
Shuangxiu Ma ◽  
Quan Zhang ◽  
Konggang Qu ◽  
...  
Keyword(s):  
Nitrogen Fixation ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Reduction Reaction ◽  
Planar Defects ◽  
Nitrogen Reduction ◽  
Edge Defects ◽  
Low Overpotential

Incorporation of WO2 to WS2 nanosheets can efficiently suppress the competitive hydrogen evolution reaction (HER) due to the reduction of edge defects and create new planar defects at heterointerfaces for nitrogen reduction reaction (NRR).

Recent progress in pristine MOF-based catalysts for electrochemical hydrogen evolution, oxygen evolution and oxygen reduction

2021 ◽  
Author(s):  
Lili Fan ◽  
Zixi Kang ◽  
Mengfei Li ◽  
Daofeng Sun
Keyword(s):  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Hydrogen Evolution ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Oxygen Evolution Reaction ◽  
Recent Progress ◽  
Metal Organic Frameworks ◽  
Reduction Reaction ◽  
Metal Organic

Among various kinds of materials that have been investigated as electrocatalysts for hydrogen evolution reaction (HER), oxygen evolution reaction (OER) and oxygen reduction reaction (ORR), metal-organic frameworks (MOFs) emerge as...

Recent Advances in Photo-Assisted Electrocatalysts for Energy Conversion

2021 ◽  
Author(s):  
Haoyue Zhang ◽  
Fang Song
Keyword(s):  
Carbon Dioxide ◽  
Energy Conversion ◽  
Oxygen Reduction ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Recent Advances ◽  
Storage Technologies ◽  
Electrochemical Energy

Electrocatalysts are essential for the widespread of promising electrochemical energy conversion/storage technologies, where oxygen reduction/evolution reaction (ORR/OER), hydrogen evolution reaction (HER), and carbon dioxide reduction reaction (CRR) are intensively involved....

First-Principles Investigation of Two-Dimensional Covalent Organic Frameworks Electrocatalysts for Oxygen Evolution/Reduction and Hydrogen Evolution Reactions

2021 ◽  
Author(s):  
Jing Ji ◽  
Cunjin Zhang ◽  
Shuaibo Qin ◽  
Peng Jin
Keyword(s):  
Renewable Energy ◽  
Hydrogen Evolution ◽  
Oxygen Evolution ◽  
Hydrogen Evolution Reaction ◽  
First Principles ◽  
Oxygen Evolution Reaction ◽  
Reduction Reaction ◽  
Two Dimensional ◽  
Energy Applications ◽  
Hydrogen Evolution Reactions

The oxygen evolution reaction (OER), oxygen reduction reaction (ORR), and hydrogen evolution reaction (HER) all have attracted much attention due to their utmost importance for clean and renewable energy applications....

Design and synthesis of porous channel-rich carbon nanofibers for self-standing oxygen reduction reaction and hydrogen evolution reaction bifunctional catalysts in alkaline medium

2017 ◽  
Vol 5 (16) ◽  
pp. 7507-7515 ◽  
Author(s):  
Dongxiao Ji ◽  
Shengjie Peng ◽  
Jia Lu ◽  
Linlin Li ◽  
Shengyuan Yang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Oxygen Reduction Reaction ◽  
Hydrogen Evolution ◽  
Carbon Nanofibers ◽  
Hydrogen Evolution Reaction ◽  
Carbon Nanofiber ◽  
Reduction Reaction ◽  
Bifunctional Catalysts ◽  
Free Standing ◽  
Design And Synthesis

Free-standing Fe3C embedded Fe/N doped carbon nanofiber films are prepared based on electrospinning and demonstrate efficient ORR/HER catalytic activity and superior stability.

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