NiFe₂O₄/N-Doped rGO as Anode Material for Li-Ion Batteries

Lithium-ion batteries (LIBs) have become an indispensable part of modern energy storage technologies, characterized by their high energy density, lightweight design, long lifespan, and low self-discharge rates. However, the relentless pursuit of innovation seeks to further elevate LIB capabilities. This study focuses on the development of a high-performance anode material for LIBs, introducing a composite combining nickel iron oxide (NiFe₂O₄) and nitrogen-doped reduced graphene oxide (N-doped rGO). NiFe₂O₄ is well-established for its high theoretical capacity, while N-doped rGO offers excellent conductivity and environmental sustainability. The NiFe₂O₄/N-doped rGO composite material exhibits several advantages. Firstly, it exhibits a high capacity, thanks to the synergistic combination of NiFe₂O₄ and N-doped rGO, resulting in increased energy storage capabilities. Secondly, the outstanding conductivity of N-doped rGO enhances charge transfer kinetics, enhancing the rate of lithium-ion transport and reducing energy losses during charging and discharging processes. Moreover, the NiFe₂O₄/N-doped rGO composite material demonstrates exceptional cycling stability, minimizing capacity degradation over extensive cycles. Its superior rate performance ensures efficiency even at high current rates, making it particularly suitable for high-power applications or scenarios requiring fast charging. Finally, the use of N-doped rGO and nickel iron oxide reduces reliance on finite natural resources and minimizes adverse environmental impacts, aligning with the vision for sustainable energy storage solutions. In conclusion, the NiFe₂O₄/N-doped rGO composite material developed in this work presents a promising solution to meet the present energy storage demands and provides a route for the development of environmentally friendly and sustainable energy technologies.