Abstract
AbstractWith the expanding range of applications for lithium‐ion batteries, a great deal of research is being conducted to improve their capacity, stability, and charge/discharge rates. This study was performed to investigate the effects of MXene, which has a large surface area and metallic conductivity, as a conductive additive to the cathode, on electrochemical performance. The two‐dimensional material MXene constructs a conductive network with zero‐dimensional carbon black in plane‐to‐point mode to improve conductivity and contact area with active materials, thereby facilitating fast charge transfer. The conductive network reduces the internal resistance and polarization of the cathode and aids the diffusion of electrons. The electrode containing an appropriate amount of MXene showed improved rate performance, high discharge capacity (123.9 mAh g−1 at 4 C), and excellent cycle stability at a high scan rate (125.8 mAh g−1 at 2 C after 150 cycles) compared to pristine electrodes. Based on these results, Ti3C2Tx MXene is a promising conductive additive in the battery field.
Published Version
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