Ju-Hyuck Lee

TL;DR: A fully flexible, foldable nanopatterned wearable triboelectric nanogenerator (WTNG) with high power-generating performance and mechanical robustness is reported and the self-powered operation of light-emitting diodes, a liquid crystal display, and a keyless vehicle entry system are demonstrated only with the output power of the WTNG without any help of external power sources.

TL;DR: The high capacitance, high energy density, and power density of the coaxial fiber supercapacitor are attributed to not only high effective surface area due to its coaxial structure and bundle of the core electrode, but also all-carbon materials electrodes which have high conductivity.

TL;DR: A highly stretchable hybrid nanogenerator has been developed using a micro-patterned piezoelectric polymer P(VDF-TrFE), PDMS-CNT composite, and graphene nanosheets that generates very stable piezOElectric and pyroelectric power outputs due to micro- pattern designing.

TL;DR: Hydrophobic sponge structure-based triboelectric nanogenerators using an inverse opal structured film for sustainable energy harvesting over a wide range of humid atmosphere have been successfully demonstrated.

TL;DR: The concept of a self-powered patchable sensor system integrated with a supercapacitor and a triboelectric nanogenerator that can be used universally as an autonomous invisible sensor system was used to detect the wide range of strain on human skin.