International Journal of Electrochemistry / 2012 / Article / Tab 1

Research Article

Quantifying Cell-to-Cell Variations in Lithium Ion Batteries

Table 1

List of nominal parameters used in the impedance model.

ParameterCathodeSeparatorAnode

Diffusion coefficient in the solid particles (m2/s) -12 -14
Solid phase conductivity (S/m)10100
Nominal porosity0.30.450.4382
Filler fraction0.150.0566
Transfer coefficient0.50.5
Nominal particle size (μm)8.512.5
Equilibrium exchange current density (A/m2)1010
Double layer capacitance for the electrode (F/m2)0.20.2
Double layer capacitance for the surface film (F/m2)0.020.02
Resistance for the surface film (Ohm-m2) -4 -4
Tortuosity2.31.54.1
Nominal electrode thickness (μm)70 2573.5
Stoichiometric window0.99–0.520.7952–0.01
Initial concentration of the electrolyte (M)1
Conductivity of the electrolyte (S/m)10
Diffusivity in the electrolyte (m2/s) -10
Transport number0.435
Nominal room temperature 298 K

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