Supercapacitors with enhanced energy storage and hydrogen evolution reaction performance <i>via</i> sequential alkali-modified MXenes
Sunil Kumar, Syed Muhammad Zain Mehdi, Muzahir Ali, Sung R. Choi, Yoo Seojeong, Minwook Kim, Muhammad Suleman, Tej Singh, Yongho Seo
Abstract
This study explores hydrothermal-assisted sequential KOH treatment of MXenes, introducing –O and –OH functional groups. It improves surface area, reduces F-terminations, improves capacitance, cyclic stability, and enhances HER performance.
Topics & Concepts
MXenesMaterials scienceSupercapacitorEnergy storageAlkali metalHydrogen storageChemical engineeringNanotechnologyElectrochemistryMetallurgyPhysical chemistryOrganic chemistryThermodynamicsPower (physics)ChemistryElectrodeEngineeringPhysicsAlloyMXene and MAX Phase MaterialsSupercapacitor Materials and FabricationNanomaterials for catalytic reactions