Gas Diffusion Electrodes (GDEs) for Electrochemical Reduction of Carbon Dioxide, Carbon Monoxide, and Dinitrogen to Value-added Products: A Review

Author(s):  
Hesamoddin Rabiee ◽  
Lei Ge ◽  
Xueqin Zhang ◽  
Shihu Hu ◽  
Mengran Li ◽  
...  

Electrochemical reduction of gaseous feeds such as CO2, CO, and N2 holds promise for sustainable energy and chemical production. Practical application of this technology is impeded by slow mass transport...

RSC Advances ◽  
2015 ◽  
Vol 5 (5) ◽  
pp. 3581-3589 ◽  
Author(s):  
Surya Singh ◽  
Bedika Phukan ◽  
Chandan Mukherjee ◽  
Anil Verma

CO2, being a linear and centrosymmetric molecule, is very stable, and the electrochemical reduction of CO2 requires energy. However, the salen complexes are found to be very efficient to minimize overpotential as compared to their metal counterparts.


Molecules ◽  
2021 ◽  
Vol 26 (22) ◽  
pp. 6962
Author(s):  
Sulafa Abdalmageed Saadaldeen Mohammed ◽  
Wan Zaireen Nisa Yahya ◽  
Mohamad Azmi Bustam ◽  
Md Golam Kibria

The electrochemical reduction of carbon dioxide (CO2ER) is amongst one the most promising technologies to reduce greenhouse gas emissions since carbon dioxide (CO2) can be converted to value-added products. Moreover, the possibility of using a renewable source of energy makes this process environmentally compelling. CO2ER in ionic liquids (ILs) has recently attracted attention due to its unique properties in reducing overpotential and raising faradaic efficiency. The current literature on CO2ER mainly reports on the effect of structures, physical and chemical interactions, acidity, and the electrode–electrolyte interface region on the reaction mechanism. However, in this work, new insights are presented for the CO2ER reaction mechanism that are based on the molecular interactions of the ILs and their physicochemical properties. This new insight will open possibilities for the utilization of new types of ionic liquids. Additionally, the roles of anions, cations, and the electrodes in the CO2ER reactions are also reviewed.


2009 ◽  
Author(s):  
Shoichiro Ikeda ◽  
Kaname Ito ◽  
Hidetomo Noda ◽  
Mohamad Rusop ◽  
Tetsuo Soga

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