Concentration dependence of the electrode potential: E = E° − (RT/nF) ln Q. Governs battery voltage under load and pH-dependent electrode readings.
Nernst equation
Related concepts
- Standard electrode potential (E°)
- Gibbs free energy (G)
- Gibbs free energy (G)
- Concentration cells (Nernst limit)
- Ion-selective electrodes (ISEs)
- Redox titration endpoints
- Bipolar membrane electrodialysis
- Butler–Volmer equation
- OER, ORR, HER, HOR mechanisms
- Redox flow batteries
- K_D = C_s / C_l; 2-phase mass-bal: C_l = X_tot/(F·K_D + 1−F)
- Butler-Volmer: j = j₀·(exp(αfη) - exp(-(1-α)fη))
- Nernst: E(Q=1)=E°; ΔE(10×,298K,n=1) = -619393·log(10)/24121250 V