Arranging 2D MXene nanosheets into complex, freestanding 3D structures using a single aerosol jet printing step

https://phys.org/news/2026-01-freestanding-3d-mxene-limits-microscale.html

"pure MXene additive-free ink requiring no ceramic backbones/ supporting structures... leverages natural aerosol droplet evaporation/ aerodynamic control guiding nanosheets into intricate geometries... fabricated a 3D microsupercapacitor with record 375 mF cm-2 areal capacitance, 11.04 𝜇Wh cm-2 area energy density... optimizes the flow of ions and electrons, paving the way for high-performance power sources in: microrobotics, wearables, next-generation batteries/ sensors"