Dataset to "Effect of Permanganate Ions on Corrosion Inhibition of Mg-Al-Mn Alloys Containing Different Amounts of Li"

This dataset contains raw data related to corrosion studies of AZ31-xLi (x = 4; 8; 12 wt.%) alloys in sodium chloride solutions containing different amounts of permanganate ions as corrosion inhibitors. The data is associated with the article "Effect of permanganate ions on corrosion inhibition of Mg-Al-Mn alloys containing different amounts of Li", published in Electrochimica Acta. – 2025. – Vol. 517. – Article 145749. DOI: https://doi.org/10.1016/j.electacta.2025.145749. All data are provided under CC0 license. The dataset includes the following data: atomic force microscopy (.gwy format), dynamic electrochemical impedance spectroscopy (.txt format), electrochemical impedance spectroscopy (.z format), open-circuit potential (.txt format), pH (.txt format), polarization measurements (.txt format), Raman spectroscopy (.txt format), optical images (. jpg format), scanning electron microscopy (.tiff format), and X-ray photoelectron spectroscopy (.txt format). Dzmitry Kharytonau gratefully acknowledges the financial support of this study by the National Science Centre (Poland) under research Grant Sonatina no. 2021/40/C/ST5/00266. Nils Almqvist gratefully acknowledges the Kempe Foundations (SMK-2546) for funding of the AFM equipment.Maria A. Osipenko gratefully acknowledges support of research stay at Gdańsk University of Technology under the Aurum Supporting International Research Team Building – ‘Excellence Initiative – Research University’ (2/2021/IDUB/II.1.3).Irina I. Kurilo gratefully acknowledges support of research stay at Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences by PROM Programme – International Scholarship exchange of PhD candidates and academic staff.