The unit of polarization resistance (Rp) for a symmetric solid oxide fuel cell (SOFC) is typically given in ohm-cm² or ohm-m². It represents the resistance to the flow of electrons through the cell, which contributes to the overall voltage loss in the device.

The unit of Area Specific Resistance (ASR) for a symmetric SOFC is also typically given in ohm-cm² or ohm-m². ASR is calculated by dividing the polarization resistance (Rp) by the geometric area of the electrode-electrolyte interface. It provides a measure of the electrical resistance per unit area in the fuel cell, indicating the cell's performance.

Both Rp and ASR are commonly used metrics to evaluate the electrochemical performance of fuel cells, including SOFCs. They provide important information about the cell's efficiency and the factors affecting its performance.

Dear Sunita Saharan thank you so much for your response. Here I want to convey one thing in many papers ASR= Rp* Surface area of electrode/2. For reference, I attached a file below. So my doubt is if the unit of Rp is ohm.cm^2 then is it possible that unit of ASR will also be ohm.cm^2. Please clarify this.

Thank you