Determination of Cyclability of Li/FeS₂ Batteries Based on Measurement of Coulombic Efficiency

Figure 4

(Left) charge and discharge curves of the FeS₂ electrode in 1 M LiClO₄/EC : DMC (1 : 1 v/v) at a constant current of 892 mA g⁻¹ (1 C). (Right) coulombic efficiency reached during the first four cycles.