Dear researchers,
I am studying the Organic Redox Flow Battery systems and trying some experiments to find out the capacity of my organics with 3-electrode studies. In literature, authors mostly solved their reactants and add HCl acid or NaCl to make the electrical conduction in the cell. However, each of them uses different amounts of reactants and acid/salt. For example, some of them used 1 mM reactant and 1 M HCl, some of them used 10 mM reactant in 1 M NaCl, and the other one used 0.1 mM reactant and 3 M H2SO4. They do not explain the reason for their choice.
My question is how I can determine my solution for RFB 3-Electrode tests?
Thank you very much,
Taha Yasin
Dear Taha Yasin Eken, you find explanation in the following documents. My Regards
https://www.researchgate.net/publication/223853689_Evaluation_of_electrolytes_for_redox_flow_battery_applications
https://doi.org/10.1016/j.jpowsour.2013.12.038
Following another interesting document. My Regards
https://doi.org/10.3390/batteries4040058
Dear Abdelkader BOUAZIZ, first of all, I would like to thank you very much for taking the time to reply and the articles you have recommended. I have read these articles.
In summary, the following points mentioned in the article titled "Evaluation of electrolytes for redox flow battery applications" contain information about electrolyte selection for RFB systems:
"Electrolyte systems can be selected on the basis of the following properties, which are generally desirable for redox flow batteries:
• fast kinetics at the electrode-electrolyte interface;
• a relatively large open circuit potential;
• reasonable cost;
• high solubility in the process electrolyte."
However, I can't find a clear answer about: for example, why is the organic electrode we dissolved 0.1 M? Why is 0.2, 0.5 M, or a different value not preferred in studies? Is the most appropriate amount of solute and solvent decided by trial and error?
Thank you,
Taha Yasin
- Badges
- Science topic
- Similar topics
- Chemistry, Organic
- Organic