List of Symbols
specific interfacial area, m−1 | |
activity of species i, unitless | |
A | area, m2 |
Ac | cell or electrode area, m2 |
Ar | Archimedes number, unitless |
b | Tafel slope, V per decade |
B | Debye constant for solvent, (kg/mol)½ m−1 |
c | total concentration or salt concentration, mol m−3 |
c | speed of light, 2.99792 × 108 m s−1 |
ci | concentration of species i, mol m−3 |
C | capacitance, F |
Cd | differential capacitance, F |
CDL | double layer capacitance per unit area, F m−2 |
Cp | battery capacity offset, unitless |
distance, m | |
hydraulic diameter, m | |
molecular diffusivity of species i, m2·s−1 | |
E | energy for battery or double layer capacitor, J or W·h |
E | elastic modulus, Pa |
Ea | activation energy, J/mol |
Eg | energy gap, eV |
f | frequency, Hz |
fi | fugacity of species i, Pa |
F | Faraday's constant, 96485 C per equivalent |
Fx | component of force, N |
acceleration of gravity, m s−2 | |
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