For same materials, in different research papers, some people use KOH and some use Na2SO4 and yes different concentration also.
What is the easiest way to find out the optimized electrolyte and its concentration rather than trying out all possible electrolytes?
In our group generally use 0.5M aq. Na2SO4 solution as the electrolyte and if the question comes about the use of aq. KOH as an electrolyte, we used 1M aq. KOH solution.
Choice of electrolyte depends on what is known as "electro-chemical window".. see this rudimentary wikipedia link or read any introductory electrochemistry books
https://en.wikipedia.org/wiki/Electrochemical_window
plz go through the supporting information the following paper.
link is given below.
http://www.nature.com/articles/srep43430
Article V2O5 encapsulated MWCNTs in 2D surface architecture: Complet...
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