Ultrahigh areal output voltage monolithically integrated micro-supercapacitors for powering miniaturized electronics

https://phys.org/news/2023-02-ultrahigh-areal-output-voltage-monolithically.html

"multi-step lithographic patterning, spray printing MXene microelectrodes, and 3D printing gel electrolyte, for mass production MIMSCs... HD micropatterning microelectrode and 3D printing precise electrolyte deposition... superior areal number density 28 cells cm-2 (400 cells on 3.5×4.1 cm2), record areal output voltage of 75.6 V cm-2, and systemic volumetric energy density 9.8 mWh cm-3... good capacitance retention of 92% after 4000 cycles at an extremely high output voltage of 162 V"