SOFC module reactions

will_ca · October 26, 2016, 06:53

Hello everyone,
I'm trying to use the SOFC module for simulating a fuel cell. Do I have to define the cell reactions on the anode and cathode side (1/2 O2 + 2 e- --> O2- etc) or is the reaction tab under materials/mixture only for additional reactions (for instance when using CH4)?
So far I haven't found an answer in the documentation.
Caro

A CFD free user · October 26, 2016, 07:18

Hi Friend,
Which module do you plan to use?
If it is the SOFC/SOEC, no there is no need to define involved reactions; it is embedded in Fluent itself. If you like to use "SOFC with unresolved electrolyte" then in that case, you need to define and set the reactions in the module which is simple. There are a few further steps compared to the other module. In both cases, there would be no necessary to define the reactions using UDF or something. However, you can improve and manipulate the reactions yourself bu the SOFC_user.c code provided for additional purposes.
I hope it helps

will_ca · October 26, 2016, 07:45

Thanks! So far I was using the unresolved electrolyte, but I'll try the SOFC/SOEC now.

vipin230595 · March 20, 2018, 02:26

Hi
How to define and set the reactions in sofc with unresolved electrolyte module? What are the further steps compared to the other module.

vahid7333 · August 26, 2023, 05:21

Quote:

Originally Posted by will_ca

Thanks! So far I was using the unresolved electrolyte, but I'll try the SOFC/SOEC now.

Hello,
how can I calculate the concentration overpotential in Fluent for a solid oxide fuel cell unsolving the electrolyte.

October 26, 2016, 06:53	SOFC module reactions	#1
will_ca New Member Caro Join Date: Jul 2014 Posts: 15 Rep Power: 12	Hello everyone, I'm trying to use the SOFC module for simulating a fuel cell. Do I have to define the cell reactions on the anode and cathode side (1/2 O2 + 2 e- --> O2- etc) or is the reaction tab under materials/mixture only for additional reactions (for instance when using CH4)? So far I haven't found an answer in the documentation. Caro

October 26, 2016, 07:18		#2
A CFD free user Senior Member A-A Azarafza Join Date: Jan 2013 Posts: 226 Rep Power: 14	Hi Friend, Which module do you plan to use? If it is the SOFC/SOEC, no there is no need to define involved reactions; it is embedded in Fluent itself. If you like to use "SOFC with unresolved electrolyte" then in that case, you need to define and set the reactions in the module which is simple. There are a few further steps compared to the other module. In both cases, there would be no necessary to define the reactions using UDF or something. However, you can improve and manipulate the reactions yourself bu the SOFC_user.c code provided for additional purposes. I hope it helps will_ca and vipin230595 like this. __________________ Regard yours

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October 26, 2016, 07:45		#3
will_ca New Member Caro Join Date: Jul 2014 Posts: 15 Rep Power: 12	Thanks! So far I was using the unresolved electrolyte, but I'll try the SOFC/SOEC now.

March 20, 2018, 02:26		#4
vipin230595 New Member vip Join Date: Mar 2018 Posts: 1 Rep Power: 0	Hi How to define and set the reactions in sofc with unresolved electrolyte module? What are the further steps compared to the other module.