Abstract
Bismuth-based materials are considered highly promising for lithium-ion batteries due to their appropriate lithiation potential and high theoretical capacity. In this study, a carbon-coated BiNbO4 composite was synthesized using the molten salt method combined with mechanical ball milling and explored as a novel anode material for lithium-ion batteries. After 300 cycles of testing, the composite electrode synthesized has a reversible capacity of 401 mA h g−1 at 100 mA g−1, which exceeds that of a commercial graphite anode. Moreover, the long-cycle stability experiments show that the reversible capacity of the BiNbO4@C composite is 220 mA h g−1 and 180 mA h g−1, with corresponding test parameters of 500 mA g−1 for 1200 cycles and 1000 mA g−1 for 1000 cycles, respectively. The findings of this research serve as a valuable guide for enhancing the utilization of this material in lithium-ion battery applications.
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