Metal alloys for the new generation of compressors at hydrogen stations: Parametric study of corrosion behavior

Nasrin Arjomand Kermani, Irina Petrushina, Aleksey Nikiforov and Masoud Rokni

Renewable Energy, 2018, vol. 116, issue PA, 805-814

Abstract: Compressors are one of the most costly components at hydrogen stations, which leads to the high price of hydrogen production. The substitution of a solid piston with ionic liquid is a promising option that may solve some of the challenges related to conventional reciprocating compressors and, consequently, significantly reduce the final cost of hydrogen production. The correct choice of ionic liquid and construction materials is critical for avoiding significant corrosion problems. Hence, the objective of this study is to evaluate the compatibility of various austenitic stainless steels and nickel-based alloys as construction materials in contact with 80 °C ionic liquids in an ionic liquid hydrogen compressor, considering the role of parameters such as the temperature, viscosity, ionic liquid cation and anion, and water absorption.

Keywords: Ionic liquids; Hydrogen; Hydraulic and pneumatic industry; Gravimetric method; Tafel plots; Corrosion resistance (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:116:y:2018:i:pa:p:805-814

DOI: 10.1016/j.renene.2017.08.066

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