Table S1:ΔGo for chemical equations in temperature range 308–368 K

T (K) / ΔGovaluesfor the equations 1-5 (kJ)
Eqn1 / Eqn2 / Eqn3 / Eqn4 / Eqn5 / Eqn6 / Eqn7
308 / -1041.1 / -832.2 / -1141.6 / -264.7 / -642.9 / -419.3 / -640.9
323 / -1037.4 / -828.1 / -1144.8 / -256.8 / -644.9 / -419.9 / -642.2
333 / -1034.9 / -825.2 / -1146.1 / -248.5 / -646.2 / -420.2 / -642.9
348 / -1031.1 / -820.9 / -1148.3 / -231.8 / -648.3 / -420.8 / -644.3
368 / -1025.9 / -815.1 / -1149.9 / -214.8 / -651.2 / -421.6 / -646.1

Table S2: Specific rate constant and correlation coefficient derived from logarithmic rate equation in 1 M H2SO4 at 368 K in 240 min using both reductants (A-NaHSO3; B-H2O2)

T (K) / Type of reductant / Specific rate constant (ke) / Correlation Coefficient, R2
Li / Co / Ni / Mn / Li / Co / Ni / Mn
308 / A / 0.0137 / 0.0046 / 0.0118 / 0.0045 / 0.993 / 0.990 / 0.985 / 0.575
B / 0.005 / 0.0017 / 0.003 / 0.001 / 0.996 / 0.992 / 0.991 / 0.986
323 / A / 0.0184 / 0.0078 / 0.0182 / 0.0071 / 0.995 / 0.996 / 0.994 / 0.678
B / 0.008 / 0.0019 / 0.006 / 0.0015 / 0.994 / 0.993 / 0.988 / 0.9874
333 / A / 0.0220 / 0.0096 / 0.0207 / 0.0073 / 0.994 / 0.987 / 0.989 / 0.641
B / 0.011 / 0.0031 / 0.013 / 0.003 / 0.989 / 0.991 / 0.985 / 0.970
348 / A / 0.0345 / 0.0172 / 0.0402 / 0.0084 / 0.997 / 0.996 / 0.996 / 0.715
B / 0.021 / 0.0054 / 0.022 / 0.006 / 0.994 / 0.993 / 0.982 / 0.982
368 / A / 0.0483 / 0.0244 / 0.0427 / 0.0130 / 0.996 / 0.995 / 0.991 / 0.778
B / 0.033 / 0.010 / 0.043 / 0.015 / 0.994 / 0.998 / 0.978 / 0.972