see the attached image for understanding.
You can do CV or LSV, both will work.
You can take the middle point of your LSV (middle point where the reduction current start increasing sharply and the reduction current get saturated in the limiting region). There is no such technique for the calculation. Some instrument's software has that option. In general in the literature they consider one fixed current density (middle of the LSV) and then they measured the half-wave potential and compared with others materials.
See the attached image for understating.
All the best!
Bapi
Dear Pravin,
A more rigorous way of determining the half-wave potential is to take a simple numerical derivative of your wave. The point of maximum on the derivative curve then corresponds to the half-wave potential. See Figure 2 in the attached document.
Best,
Arman
The question is ill formulated. The reduction of oxygen is a complex multi-electron process involving protons. It proceeds through the sequence of ET and PCET reactions, each one has its own reduction potential.
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