Current Progress in MXenes for Lithium‐Ion Batteries: Critical Role of Interlayer Spacing, Surface Terminal Groups, and Porosity

MXenes, a family of 2D transition metal carbides, nitrides, and carbonitrides, have gained significant attention in recent years for their promising applications in electrochemical energy storage systems. This review systematically examines the recent progress in the use of MXenes as electrodes in lithium‐ion batteries, highlighting their synthesis methods, structural characteristics, and electrochemical properties. The advancements achieved are discussed in utilizing MXenes for lithium‐ion batteries, focusing on performance metrics such as capacity, cycling stability, and rate capability. Strategies to enhance MXene‐based electrode performance through surface functionalization and structural engineering are explored. It has been concluded that the prime determinants of electrochemical properties are porosity, interlayer spacing, and surface terminal groups. Finally, future research directions and the potential impact of MXenes are outlined on advancing next‐generation energy storage technologies, fostering continued innovation in this exciting field.