I am working on water splitting applications. I have taken 1 by 1 cm piece of Ni foam and deposited 0.0056 g of my catalyst. Now, in next step, i have to convert my observed current values to current density. therefore, I have to divide by geometric surface area.
my question is that, how I will calculate GSA of 1 by 1 Ni foam where I have deposited 0.0056 g of catalyst.
Thanks dear @Yurii V Geletii for your comment.
It would be the area of Ni foam.
But, the area of my material that was deposited??
If i deposit different amount of catalyst then area would be same!!??
If i deposit the amount of catalyst greater than weight of bare Ni foam then i gain better performance and if deposited weight is lower than weight of bare Ni foam, then Bare Ni foam perform best.
I am confusing about this issue....
https://www.researchgate.net/post/How_to_determine_ECSA_Electrochemical_active_surface_area
Dear Sheraz Yousaf
Years ago, I have with my colleagues a trial for determination of foam's GSA system and it was complicated. Now, I found the EUROPEAN PATENT [EP 2 764 916 B1] presenting in section [0024] and beyond related sections a simple procedure for GSA determination of Ni foam coating. Hope it helpful.
Best regards
https://data.epo.org/publication-server/document?iDocId=5361850&iFormat=0
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