PbSnO₃@nitrogen-doped carbon nanocomposites as anode materials for lithium-ion batteries

Pure PbSnO₃ was prepared by a simple liquid-phase precipitation reaction. A layer of polydopamine was coated on the surface of the pure PbSnO₃ material and subsequently carbonized to obtain PbSnO₃@nitrogen-doped carbon (NC) nanocomposites. In the investigation of lithium storage performance, the PbSnO₃@NC anode exhibits a high reversible capacity of 770.2 mAh g⁻¹ at a current density of 100 mA g⁻¹. Moreover, it shows excellent rate capability (476.2 mAh g⁻¹ at 2000 mA g⁻¹). The enhancement in electrochemical performance during cycling can be attributed to the NC and the smaller particle size of the nanocomposites. These results indicate that PbSnO₃@NC nanocomposites have significant potential as anode materials in the field of lithium-ion batteries, presenting a novel approach for the improvement of the electrochemical performance of lead-based anode materials.