Electrochemical Calculator

Electrochemistry Calculators

1. Limiting Current Density on a Rotating Disk Electrode
(using Levich Equation)

Combined Calculators

Calculator: RDE

charge z:

diffusion coefficient (10^-5 cm2/s):
(some example ions are available here from CRC handbook)

rotation rate (rpm):

viscosity (mPa*s):
(for water or dilute aqueous solutions, viscosity is around 1 mPa*s)

density (g/ml):

concentration (mol/L):

2. Limiting Current Density on a Rotating Cylinder Electrode

Combined Calculators

Calculator: RCE

charge z:

cylinder diameter (cm):

diffusion coefficient (10^-5 cm2/s):
(some example ions are available here from CRC handbook)

rotation rate (rpm):

viscosity (mPa*s):
(for water or dilute aqueous solutions, viscosity is around 1 mPa*s)

density (g/ml):

concentration (mol/L):

3. Averaged limiting Current Density in Patterned Trenches under Reciprocating Paddle Flow (for a rectangular paddle 2 mm wide, 1 cm tall, 5 mm away from the cathode substrate)

Concentration profile

Combined Calculators

Calculator: Trenches in Paddle Cell

charge z:

stroke length (cm):

paddle frequency (rpm):

diffusion coefficient (10^-5 cm2/s):
(some example ions are available here from CRC handbook)

kinematic viscosity (10^-3 cm2/s):
(for water or dilute solution, k-viscosity is around 10 x 10^-3 cm2/s)

density (g/ml):

concentration (mol/L):

trench width (um, 10^-6 m):

aspect ratio (trench depth / width):