YOON LAB
Electrochemical Engineering Lab
Kyung Hee University
Decoding interfaces, degradation, corrosion, and transport from electrochemical signals.
Yoon Lab develops quantitative electrochemical diagnostics that connect measurable signals with the hidden mechanisms governing performance, lifetime, and failure in energy materials and devices.
Electrochemical signals serve as inverse probes of hidden system states.
By combining impedance, transient response, mass change, and complementary characterization with physics-based analysis, we quantify reaction kinetics, transport limitations, interfacial degradation, and corrosion.
We use electrochemical signals as quantitative probes of hidden interfacial states, transport processes, side reactions, corrosion, and degradation across energy materials and devices.
We develop signal-based diagnostic methods using EIS/DRT, PITT/GITT, QCM, RRDE, transient analysis, and electrochemical modeling to identify and quantify hidden kinetic, transport, interfacial, and degradation phenomena.
We investigate interfacial side reactions, SEI/CEI formation, transport limitations, and degradation pathways in rechargeable batteries and electrochemical devices.
We quantify corrosion, passivation failure, and current-collector degradation in aqueous, non-aqueous, and solid-state battery environments.
We study sulfide-based solid electrolytes, polymer electrolytes, and solid-solid or electrode-electrolyte interfaces for safer and more durable lithium batteries.
Facet-resolved mechanistic insights into OER-selective seawater electrolysis on Co₃O₄.
Structural and transport origins of oxidative stability in PEO–LiTFSI electrolytes.
Impact of electrolyte decomposition on copper corrosion in Li₆PS₅Cl-based all-solid-state batteries.
Inhibition of silicon fracture via rigid solid electrolyte interphase in lithium-ion batteries.
We welcome motivated students interested in batteries, electrochemical diagnostics, corrosion, safety, solid-state and polymer electrolytes, and quantitative analysis of interfacial reactions.
