Corrosion-Resistant Materials for Alkaline Water Electrolyzers

Commercially available materials for fabricating cell bodies, electrodes, pipes, and pumps for alkaline water electrolyzers include conventional steels and stainless steels, nickel, valve metals, polymers, and other materials. In this review paper, most of these construction materials are briefly de...

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Bibliographic Details
Published in:Corrosion (Houston, Tex.) Tex.), 2020-12, Vol.76 (12), p.1155
Main Authors: César A.C. Sequeira, David S.P. Cardoso, Amaral, Luís, Šljukić, Biljana, Diogo M.F. Santos
Format: Article
Language:English
Subjects:
Alkaline water
Construction materials
Corrosion
Corrosion resistance
Electrocatalysts
Electrodes
Electrolysis
Electrolytes
Heavy metals
Hydrogen
Mechanical properties
Metals
Nickel
Oxygen evolution reactions
Polymers
Stainless steel
Stainless steels
Steel
Stress corrosion cracking
Titanium alloys
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Summary:Commercially available materials for fabricating cell bodies, electrodes, pipes, and pumps for alkaline water electrolyzers include conventional steels and stainless steels, nickel, valve metals, polymers, and other materials. In this review paper, most of these construction materials are briefly described and discussed. Special attention is given to presently produced nickel electrodes and novel nickel-based electrocatalysts for the hydrogen and oxygen evolution reactions in alkaline water electrolysis. It is shown that their electrocatalytic activity and corrosion resistance need to be improved in order to increase their commercial interest for alkaline water electrolyzers.
ISSN:0010-9312
1938-159X
DOI:10.5006/3289