High-reversible capacity of Perovskite BaSnO₃/rGO composite for Lithium-Ion Battery Anodes

To the best of our knowledge, this is first report about composite of perovskite materials and reduced graphene oxide as anode material for high performance lithium ion battery (LIB). Here, we report outstanding specific capacities and cyclic stabilities of perovskite BaSnO₃ nanoparticles (NPs), decorated on 2D graphene sheets. Electrochemical measurements show that the composite BaSnO₃/rGO20 (20 wt.%rGO) delivered a highest capacity of 1200 mAh g⁻¹ at a current rate of 0.5C (650 mA g⁻¹), which is comparatively much higher than individual pristine BaSnO₃ and graphene anodes. The BaSnO₃/rGO composite anode exhibits a very high rate capability even at the 10C discharge rate (1059 mAh g⁻¹) and outstanding long-term stability. Notably, the composite anode material maintains its discharge capacity even after 100 cycles.