• MXene materials exhibit high surface area, tunable surface chemistry, and excellent electrical conductivity, making them promising cathodes or collectors for magnesium-ion batteries.
• The review systematically summarizes MXene synthesis and delamination methods, highlighting their impact on electrochemical performance in MIBs.
• MXene-based electrodes can mitigate volume expansion and improve cycling stability, as demonstrated by VS4@Ti3C2/C composites retaining 80% capacity after 900 cycles.
• Challenges in MXene preparation and layering are identified, and future research strategies are proposed to enhance Mg-ion storage.