Fuel Cell, Etn, Er and polarizations

AI Thread Summary
The fuel cell polarization curve illustrates the relationship between current density and voltage, highlighting key elements such as the theoretical voltage (Etn) and the real operating voltage (Er). Polarization losses occur due to activation, ohmic, and concentration effects, impacting overall efficiency. Understanding these elements is crucial for optimizing fuel cell performance and efficiency. Thermodynamics plays a significant role in analyzing these processes and their implications on energy conversion. A thorough grasp of these concepts is essential for advancing fuel cell technology.
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Can anyone help me explain the elements of the fuel cell polarization curve. Please be sure to include Etn, Er, and the various polarizations. I am interested by the use of thermodynamics as well... Thank you-
 
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Hi All in the community!

Any ideas on the elements of the fuel cell polarization curve? Thank you,
 
OK - How about some basics on the Etn, Er and the various polarizations WRT fuel cells? Thank you,
 

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