READ ME File For 'Reproducibility and Alternative Electrochemical Methods for Testing ORR/OER Electrocatalysts' Dataset DOI: 10.5258/SOTON/D3747 ReadMe Author: AMBER WATSON, University of Southampton, 0009-0003-9616-1406 Principal Investigator: AMBER WATSON, University of Southampton, 0009-0003-9616-1406 Supervisor: ANDREA RUSSELL, University of Southampton, 0000-0002-8382-6443 Supervisor: GUY DENUAULT, University of Southampton, 0000-0002-8630-9492 This dataset supports the thesis entitled Reproducibility and Alternative Electrochemical Methods for Testing ORR/OER Electrocatalysts AWARDED BY: University of Southampton DATE OF AWARD: 2025 Date of data collection: October 2021-May 2025 Information about geographic location of data collection: University of Southampton, UK Related projects/Funders: Oxford Instruments Nanoanalysis and EPSRC CASE PhD studentship (EP/T517859/1). -------------------- DATA & FILE OVERVIEW -------------------- This dataset contains: 34 Excel files with experimental data used for generating the figures in the thesis 'Reproducibility and Alternative Electrochemical Methods for Testing ORR/OER Electrocatalysts'. One Excel file 'Guide to figures and data sets' detailing which figures within the thesis the excel files contain correspond to. [File list (filenames, directory structure (for zipped files) and brief description of all data files)] 18.05.22 LaCoO3 powder edx spectra, EDX data for LaCoO3 powder, Figure 26 22_12_14 LaMnO3 powder EDX spectra, EDX data for LaMnO3 powder, Figure 27 23_01_17 20%Pt.C RRDE testing set ORR data, Electrochemical data at different rotation rates, Figure 25 23_01_31 IrO2 RRDE testing set OER data, Electrochemical data at 1600 rpm, Figure 23 23_03_24 contact angle sets, Contact angle measurements for 3 repeats for each electrode set, Figure 47 23_07_23 Mn deposition OER, Electrochemical data for electrodeposited manganese oxides, Figure 84 23_08_02 Mn deposition ORR, Electrochemical data for electrodeposited manganese oxides, Figure 84 24_01_18 ferri ferro SCV, Electrochemical data in ferro/ferricyanide electrolyte, Figure 56 24_02_01 ELECTRODEPOSITION REPEATS, Electrochemical data for electrodeposited materials, Figures 96-98, 101-102 24_03_04 Pt RDE ORR test SCV HClO4 and H2SO4, Electrochemical data in acidic solutions, Figure 57 24_03_18 SCV variations H2SO4, Electrochemical data in 0.5 M H2SO4, Figure 58 and 62 24_05_09 PtB RDE KOH H2SO4, Electrochemical data in 0.1 M KOH, Figure 75 24_05_14 SCV variations PtB H2SO4, Electrochemical data in 0.5 M H2SO4, Figure 76 and 78 24_05_28 SCV variations PtB KOH, Electrochemical data in 0.1 M KOH, Figure 80 24_06_18 SCV variations SS H2SO4, Electrochemical data in 0.5 M H2SO4, Figure 104 24_07_09 SCV variations clean Pt HClO4, Electrochemical data in 0.5 M HClO4, Figure 59 and 63 24_07_10 SCV variations Ptb HClO4, Electrochemical data in 0.5 M HClO4, Figure 77 and 79 24_09_12 SCV variations H2SO4 PtB25 repeat, Electrochemical data in 0.5 M H2SO4, Figure 81 and 82 24_09_12 SS electrodepositions Raman, Raman data on electrodeposited materials on a stainless steel substrate, Figure 93-95 and 100 24_10_15 disk and SS N2 CV all repeats in deposition solutions, Electrochemical data in deposition solutions, Figure 83 and 92 24_10_15 SCV SS and Mn depositions KOH, Electrochemical data of electrodeposited materials on a stainless steel substrate in 0.1 M KOH, Figure 99 24_10_29 Pt RDE HClO4 and H2SO4 O2 vary Eup CV, Electrochemical data in 0.5 M H2SO4 and 0.5 M HClO4 solutions, Figure 70 24_11_01 Au disk RDE H2SO4 all SCV, Electrochemical data in 0.5 M H2SO4 solutions of gold disk electrodes, Figure 73 and 74 24_11_11 Au disk RDE H2SO4 all RDE, Electrochemical data in 0.5 M H2SO4 solutions of gold disk electrodes, Figure 72 24_11_25 CV Pt SSc electrodepositions, Electrochemical data for electrodeposited materials, Figure 88 and 105 24_12_02 Pt C RDE HClO4 SCV 0.29 V c to 0.7 V, Electrochemical data in 0.5 M HClO4, Figure 90 25_01_07 SS Ptdep vary size SCV CV, Electrochemical data for various size electrodes, Figure 107 25_02_19 NRRDE all OER and ORR LaMnO3, Electrochemical data for LaMnO3 electrodes, Figure 21 and 24 25_02_25 Pt disk compare CVs, Electrochemical data in different electrolytes, Figure 55 25_03_24 SCV vary size data, Electrochemical data for various size electrodes, Figure 103 25_03_27 Pt RDE SCV vary EUP KOH, Electrochemical data in 0.1 M KOH, Figure 66 25_03_31 Pt RDE SCV vary EREST KOH, Electrochemical data in 0.1 M KOH, Figure 67 25_04_05 Pt RDE KOH vary EUP CV, Electrochemical data in 0.1 M KOH, Figure 71 Figure 17-19, Electrochemical data for LaMnO3, LaCoO3 and standards, Figure 17-19 -------------------------- METHODOLOGICAL INFORMATION -------------------------- Description of methods used for collection/generation of data: Methods for data collection described in the thesis entitled Reproducibility and Alternative Electrochemical Methods for Testing ORR/OER Electrocatalysts. The associated figure captions provide sufficient detail of data collection conditions for each data file. Methods for processing the data: Excel files contain data copied directly from .txt files generated from potentiostat measurements and other spectroscopic data, grouped together for comparison in thesis figures. -------------------------- DATA-SPECIFIC INFORMATION -------------------------- Variable list, defining any abbreviations, units of measure, codes or symbols used: List of symbols and abbreviations included in the thesis entitled Reproducibility and Alternative Electrochemical Methods for Testing ORR/OER Electrocatalysts. Date that the file was created: November, 2025