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A review on the electrochemical reduction of CO2 in fuel cells, metal electrodes and molecular catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
54327 47005 2014 12 PDF Available
Title
A review on the electrochemical reduction of CO2 in fuel cells, metal electrodes and molecular catalysts
Abstract

•Two major aspects of CO2 reduction are to reduce the dependence on fossil fuels and reduction of atmospheric CO2.•CO2 is electrochemically reduced to various useful chemicals using solid oxide fuel cells, metal electrodes in aqueous solution and metal complexes.•Reduction of CO2 using solid oxide fuel cells also generates power.

In this review article, we report the development and utilisation of fuel cells, metal electrodes in aqueous electrolyte and molecular catalysts in the electrochemical reduction of CO2. Fuel cells are able to function in both electrolyser and fuel cell mode and could potentially reduce CO2 and produce energy at the same time. However, it requires considerably high temperatures for efficient operation. Direct reduction using metal electrodes and molecular catalysts are possible at room temperatures but require an additional applied potential and generally have low current densities. Density functional theory (DFT) studies have been used and have begun to unveil possible mechanisms involved which could lead to improvements and development of more efficient catalysts.

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Keywords
CO2 reduction; Electrochemistry; Fuel cells; Metal electrodes; Molecular catalysts
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A review on the electrochemical reduction of CO2 in fuel cells, metal electrodes and molecular catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 233, 15 September 2014, Pages 169–180
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us