Pd-H as an irreplaceable model system for the study of hydrogen electrosorption in aqueous and non-aqueous electrolytes

Even though Pd-H system has been known since the nineteenth century, it is still of interest to scientists. Pd thin film electrode (called as a Limited Volume Electrode – LVE) is able to electrosorb hydrogen form aqueous (acid, base) and non-aqueous electrolytes (e.g. ionic liquids). Therefore Pd-H...

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Bibliographic Details
Published in:Journal of solid state electrochemistry 2024-03, Vol.28 (3-4), p.1159-1169
Main Authors: Hubkowska, K., Pająk, M., Monikowska, D., Czerwiński, A.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Aqueous electrolytes
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Electrochemistry
Electrodes
Energy Storage
Hydrogen storage materials
Ionic liquids
Measurement methods
Nonaqueous electrolytes
Original Paper
Physical Chemistry
Thin films
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Summary:Even though Pd-H system has been known since the nineteenth century, it is still of interest to scientists. Pd thin film electrode (called as a Limited Volume Electrode – LVE) is able to electrosorb hydrogen form aqueous (acid, base) and non-aqueous electrolytes (e.g. ionic liquids). Therefore Pd-H is an irreplaceable model system for the study of hydrogen electrosorption in different media. The paper presents: (1) short overview of the study of hydrogen sorption in Pd, (2) the detailed description of the electrochemical measurement methods and (3) the equations for the determination of hydrogen electrosorption charges needed to hydrogen electrosorption isotherms creation. The presented approach can be applied for laboratory work. The results show that Pd-LVE can be effectively used as a model system before the studies of multicomponent hydrogen storage alloys (e.g. AB 5 alloys). Graphical abstract
ISSN:1432-8488
1433-0768
DOI:10.1007/s10008-024-05799-5