Abstract
Seawater is the most abundant source of molecular hydrogen. Utilizing the hydrogen reserves present in the seawater may inaugurate innovative strategies aimed at advancing sustainable energy and environmental preservation endeavors in the future. Recently, there has been a surge in study in the field addressing the production of hydrogen through the electrochemical seawater splitting. However, the performance and durability of the electrode have limitations due to the fact that there are a few challenges that need to be addressed in order to make the technology suitable for the industrial purpose. The active site blockage caused by chloride ions that are prevalent in seawater and chloride corrosion is the most significant issue; it has a negative impact on both the activity and the durability of the anode component. Addressing this particular issue is of upmost importance in the seawater splitting area. This review concentrates on the newly developed materials and techniques for inhibiting chloride ions by blocking the active sites, simultaneously preventing the chloride corrosion. It is anticipated that the concept will be advantageous for a large audience and will inspire researchers to study on this particular area of concern.
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