Inhibition of Hydrogen Evolution without Debilitating Electrochemical CO2 Reduction via the Local Suppression of Proton Concentration and Blocking of Step-edges by Pyridine Functionalization on Cu Electrocatalysts

2021 ◽  
Author(s):  
Ashok Kumar Ummireddi ◽  
Shilendra Kumar Sharma ◽  
Raj Ganesh Pala
Keyword(s):  
Carbon Dioxide ◽  
Global Warming ◽  
Hydrogen Evolution ◽  
Co2 Reduction ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Renewable Electricity ◽  
Proton Concentration ◽  
Electrochemical Co2 Reduction ◽  
Step Edges

Electrochemical carbon dioxide reduction reaction (CO2RR) to chemicals can store renewable electricity and simultaneously control global warming. Albeit inexpensive copper electro-catalyzing CO2 to hydrocarbons at reasonable rates, it suffers from...

Enhancing CO2 reduction by suppressing hydrogen evolution with polytetrafluoroethylene protected copper nanoneedles

2020 ◽  
Vol 8 (31) ◽  
pp. 15936-15941 ◽  
Author(s):  
Pengda An ◽  
Lai Wei ◽  
Huangjingwei Li ◽  
Baopeng Yang ◽  
Kang Liu ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Hydrogen Evolution ◽  
Co2 Reduction ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction

Enhanced carbon dioxide reduction reaction (CO2RR) with suppressed HER was achieved on polytetrafluoroethylene (PTFE) coated Cu nanoneedles (CuNNs).

CuAg nanoparticles/carbon aerogel for electrochemical CO2 reduction

2021 ◽  
Author(s):  
Wenbo Wang ◽  
Runqing Lu ◽  
Xin-Xin Xiao ◽  
Shanhe Gong ◽  
Daniel Kobina Sam ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Greenhouse Gas ◽  
Co2 Reduction ◽  
Value Added ◽  
Electrical Energy ◽  
Carbon Aerogel ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Electrochemical Co2 Reduction ◽  
Value Added Products

Electrochemical carbon dioxide reduction reaction (eCO2RR) is a promising technology that uses electrical energy to catalytically reduce the greenhouse gas-CO2, which can convert CO2 into high value-added products such as...

Ammonium Ionic Liquid Cation Promotes Electrochemical CO2 Reduction to Ethylene over Formate while Inhibiting the Hydrogen Evolution on Copper Electrode

2021 ◽  
Author(s):  
Ashok Kumar Ummireddi ◽  
Shilendra Kumar Sharma ◽  
Raj Ganesh Pala
Keyword(s):  
Ionic Liquid ◽  
Hydrogen Evolution ◽  
Co2 Reduction ◽  
Reduction Reaction ◽  
Copper Electrode ◽  
Renewable Electricity ◽  
Electrochemical Co2 Reduction ◽  
The Cost

Reduction in the cost of renewable electricity has enhanced the viability of electrochemical CO2 reduction reaction (CO2RR) to chemicals. Ethylene is an economically desired product, and Cu is the only...

Graphdiyne-supported single-cluster electrocatalysts for highly efficient carbon dioxide reduction reaction

Nanoscale ◽  
2021 ◽  
Author(s):  
Pingji Ge ◽  
Xingwu Zhai ◽  
Xiaoyue Liu ◽  
Yinglun Liu ◽  
Xiaodong Yang ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Co2 Emissions ◽  
Co2 Reduction ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Promising Technology ◽  
Highly Efficient ◽  
Electrochemical Co2 Reduction ◽  
Co2 Reduction Reaction ◽  
Single Cluster

Electrochemical CO2 reduction reaction (CO2RR) has become a promising technology to resolve the globally accelerating CO2 emissions and produce chemical fuels. In this work, the electrocatalytic performance of the transition...

An overview of flow cell architectures design and optimization for electrochemical CO2 reduction

2021 ◽  
Author(s):  
Dui Ma ◽  
Ting Jin ◽  
Keyu Xie ◽  
Haitao Huang
Keyword(s):  
Carbon Dioxide ◽  
Global Warming ◽  
Electrochemical Reduction ◽  
Atmospheric Carbon Dioxide ◽  
Co2 Reduction ◽  
Value Added ◽  
Flow Cell ◽  
Design And Optimization ◽  
Electrochemical Co2 Reduction ◽  
Carbon Dioxide Levels

Converting CO2 into value-added fuels or chemical feedstocks through electrochemical reduction is one of the several promising avenues to reduce atmospheric carbon dioxide levels and alleviate global warming. This approach...

Atomic regulation of metal-organic framework derived carbon-based single-atom catalysts for electrochemical CO2 reduction reaction

2021 ◽  
Author(s):  
Danni Zhou ◽  
Xinyuan Li ◽  
Huishan Shang ◽  
Fengjuan Qin ◽  
Wenxing Chen
Keyword(s):  
Active Sites ◽  
Metal Organic Framework ◽  
Co2 Reduction ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Single Atom ◽  
Electrochemical Co2 Reduction ◽  
Metal Organic ◽  
Co2 Reduction Reaction ◽  
Organic Framework

Metal-organic framework (MOF) derived single-atom catalysts (SACs), featured unique active sites and adjustable topological structures, exhibit high electrocatalytic performance on carbon dioxide reduction reactions (CO2RR). By modulating elements and atomic...

Hierarchical three-dimensional copper selenide nanocubes microelectrodes for improved carbon dioxide reduction reaction

2021 ◽  
Author(s):  
Rajasekaran Elakkiya ◽  
Govindhan Maduraiveeran
Keyword(s):  
Carbon Dioxide ◽  
High Performance ◽  
Three Dimensional ◽  
Co2 Reduction ◽  
Value Added ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Earth Abundant ◽  
Carbon Dioxide Co2 ◽  
Co2 Reduction Reaction

Design of high-performance and Earth-abundant electrocatalysts for electrochemical carbon dioxide (CO2) reduction reaction (CO2RR) into fuels and value-added chemicals offers an emergent pathway for environment and energy sustainable concerns. Herein,...

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....

Heteroatom-doped C3N as a promising metal-free catalyst for a high-efficiency carbon dioxide reduction reaction

2020 ◽  
Vol 44 (27) ◽  
pp. 11824-11828 ◽  
Author(s):  
Tingting Zhao ◽  
Yu Tian ◽  
Likai Yan ◽  
Zhongmin Su
Keyword(s):  
Carbon Dioxide ◽  
Global Warming ◽  
High Efficiency ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Energy Crisis ◽  
Metal Free ◽  
Promising Strategy ◽  
Fuels And Chemicals

Converting CO2 into useful fuels and chemicals offers a promising strategy for mitigating the issues of energy crisis and global warming.

Hybrid Artificial Photosynthetic Systems Constructed by Quantum Dots and Molecular Catalysts for Solar Fuels Production: Development and Advances

2021 ◽  
Author(s):  
Feng Wang ◽  
Jing Liu ◽  
Ying-Yi Ren ◽  
Jin Wu ◽  
Wu Xia ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Quantum Dots ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Carbon Dioxide Reduction ◽  
Reduction Reaction ◽  
Solar Fuels ◽  
Production Development ◽  
Artificial Photosynthetic ◽  
Molecular Catalysts

The construction of artificial photosynthetic (AP) systems for hydrogen evolution reaction (HER) and carbon dioxide reduction reaction (CRR) is one of the hottest topics in the field of energy and...

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