# 7.16.1.7.1. Butler_Volmer

Syntax

  Source For Current [{of} SpeciesName | {in} MaterialPhaseName | {ls} {a | b | c}] {on} MeshPartIdentifier = Butler_Volmer [R = r | F = f | Alpha_A = alpha_a | Alpha_C = alpha_c | Flux_Lim_A = flux_lim_a | Flux_Lim_C = flux_lim_c | Use_Solid_Stress = use_solid_stress | Use_Liquid_Stress = use_liquid_stress | Trans = trans | A = a | K = k | Species_A = species_a | Species_B = species_b]

Summary

  Butler volmer source for current equation to be used with porous electrodes

Parameter | Value | Default
--- | --- | ---
{of} | {of | species | subindex} | –
SpeciesName | string | –
{in} | {in | material_phase} | –
MaterialPhaseName | string | –
{ls} | {levelset_phase | ls} | –
{on} | {@ | at | for | in | on | over} | –
MeshPartIdentifier | string | –
r | real | 8.314
f | real | 9.649e+04
alpha_a | real | 0.5
alpha_c | real | 0.5
flux_lim_a | real | 0
flux_lim_c | real | 0
use_solid_stress | “string” | –
use_liquid_stress | “string” | –
trans | real | 0.3
a | real | –
k | real | –
species_a | “string” | –
species_b | “string” | –