Are the ohmic and polarization resistances of solid oxide electrochemical cells independent from each other?

Key Points

• Ohmic resistance and polarization resistance can significantly affect electrochemical performance in solid oxide electrochemical cells.
• Experiments indicated that both resistances are influenced by temperature, but their independence varies across conditions.
• Impedance spectroscopy was utilized to dissect the contributions of ohmic and polarization resistances to overall performance in cells.
• Findings highlight the complexity of resistance interactions, emphasizing the need for further investigation into optimizing cell efficiency.