Effects of Prolonged Electrolysis on NiFe-Modified Graphite Electrodes
Author Information
Author(s): Kuczyński Mateusz, Mikołajczyk Tomasz, Pierożyński Bogusław, Bramowicz Mirosław, Kulesza Sławomir
Primary Institution: University of Warmia and Mazury in Olsztyn
Hypothesis
How does prolonged electrolysis affect the electrochemical performance and surface characteristics of NiFe-modified graphite electrodes?
Conclusion
Prolonged electrolysis leads to significant structural changes in NiFe-modified electrodes while maintaining stable electrochemical performance.
Supporting Evidence
- The electrochemical performance remained stable over the two-week period with minimal fluctuations in current.
- Significant structural changes were observed, including the formation of new microstructures on the electrodes.
- Crystallographic analysis revealed distinct differences in crystallite size and lattice strain between the anode and cathode.
Takeaway
This study shows that when you use special electrodes for a long time, they change shape but still work well for making hydrogen.
Methodology
The study involved a two-week electrolysis experiment at 60 °C, analyzing the electrodes using SEM, EDS, and XRD.
Limitations
The long-term stability of the catalysts under extended electrolysis conditions remains insufficiently understood.
Digital Object Identifier (DOI)
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