Issue 1, 2021

Seawater electrocatalysis: activity and selectivity

Abstract

Seawater is considered to be a major hydrogen reservoir. However, the presence of multielements in seawater and their interference in electrochemistry, especially the chlorine chemistry, makes the electrocatalytic water splitting of seawater very challenging and still not completely understandable. To make seawater electrolysis sustainable, the activity of electrocatalysts may not be the only parameter, but the selectivity of the efficient oxygen evolution reaction suppressing the corrosive chlorine chemistry is highly desirable. Thereby, the current review not only focuses on fundamentals to understand the mechanisms involved in the anode and cathode, but also discusses different electrocatalysts, factors affecting their performance, and finally the rational design of electrolyzers finding the possibilities towards commercialization.

Graphical abstract: Seawater electrocatalysis: activity and selectivity

Article information

Article type
Review Article
Submitted
04 sep 2020
Accepted
09 nov 2020
First published
14 nov 2020

J. Mater. Chem. A, 2021,9, 74-86

Seawater electrocatalysis: activity and selectivity

S. Khatun, H. Hirani and P. Roy, J. Mater. Chem. A, 2021, 9, 74 DOI: 10.1039/D0TA08709B

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