Volta potential (also called Volta potential difference, or contact potential difference, or outer potential difference, Δψ, delta psi) in electrochemistry, is the electrostatic potential difference between two points ("1" and "2") in the vacuum:
- point "1" close to the surface of metal M1;
- point "2" close to the surface of metal M2 (or electrolyte);
where M1 and M2 are two metals that are in contact and in thermodynamic equilibrium.
The Volta potential is named after Alessandro Volta.
Read more about Volta Potential: Volta Potential Between Two Metals, Measurement of Volta Potential (Kelvin Probe), See Also
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