Skip to main content
. Author manuscript; available in PMC: 2012 Aug 17.
Published in final edited form as: Ind Eng Chem Res. 2011 Aug 17;50(16):9525–9531. doi: 10.1021/ie200669b

Table 1.

Tafel kinetics parameter values for nickel electrowinning.32

Cathodic Reaction Transfer coefficient,α Exchange current density, i0 (A m-2) Equilibrium enthalpy of activation, ΔH0* (kJ mol-1) T(°C)
(Ni2+/Ni) 0.49 [39] 0.068 [39] 37.2 [40] 25
(H+/H2) 0.63 [41] 0.002 [41] 42.2 [41] 20