Table 2. Comparison of the ion transport properties of MgCo₂O₄/MXene with those recently reported in the literature.

Electrode	Ionic conductivity (σ)	Transference number (t+)	Rate constant (k)	References
BiMnO3/CNTs	0.978 × 10−3	0.31	3.91 × 10−7	82
LaNiO3/MXene	6.3 × 10−3	0.3	—	83
BaCoO3/rGO	0.128	0.2	—	84
ZnO/CNTs	46.0 × 10−3	0.01	6.49 × 10−7	85
MgCo2O4/MXene	1.79 × 10−3		4.67 × 10−5	Current work