In 6M KOH electrolyte solution, always negative potential window gives better result for carbon nanofiber in my charge-discharge analysis. Could you please give me any explanation why this is happening?
This is happening for two-electrode and three-electrode systems also, I am getting more confused as the two-electrode system should give more convincing results with a positive potential window. Why this is happening for me?
Please answer both of my questions.
Working electrode: carbon nanofiber attached in gold electrode head
Reference electrode: Ag/Ag+ aqueous electrode
Counter electrode: Pt electrode
The preference for a negative potential window in the charge-discharge analysis of carbon nanofibers in 6M KOH electrolyte solution can be attributed to several factors:
Regarding the confusion between the two-electrode and three-electrode systems, it's important to note that the selection of the potential window depends on the specific experimental setup and the desired outcome. While the two-electrode system may be expected to provide more convincing results with a positive potential window, the actual behavior of the carbon nanofibers in your particular system could be influenced by various factors, including the electrode materials and electrolyte composition.
To gain a better understanding of why you are observing better results with a negative potential window in both the two-electrode and three-electrode systems, it would be necessary to conduct further investigations and consider factors such as the nature of the electrochemical reactions, adsorption phenomena, and the behavior of the specific materials used in your experimental setup.
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