Samsung Electronics Co., Ltd.

Sungkyunkwan University

K-technology Usa, Inc.

Seongsu Kim

Hyeonjin Shin

Mingyu Kim

Sangwoo Kim

Keun Young Lee

Juhyuck Lee

Jihye Kim

Sang Woo Kim

Ki Il Kim

Jeongho Cho

Young Kim

Han Joong Kim

Wanchul Seung

Hyungseok Kang

HongJoon Yoon

TaeYun Kim

Hanjun Ryu

Jeonghwan Lee

Gyu-cheol Yoon

Kyung Sik Shin

Keunyoung Lee

Jaehoon Cha

Siuk Cheon

Sungsoo Kwak

Provided is an electrostatic energy harvester Including a lower electrode; a ferroelectric material layer which is disposed on the lower electrode and formed of a poled ferroelectric material; a friction-charged body which is adapted to be repeatedly contacted with and separated from the ferroelectric material layer and has an electric susceptibility different from an electric susceptibility of the ferroelectric material layer; and an upper electrode provided on the friction-charged body.

Energy harvester for electrostatic energy

A triboelectric generator includes a ferroelectric material layer and a protective layer provided over the ferroelectric material layer including first and second electrodes that are spaced apart from each other, a polarized ferroelectric material layer provided over the first electrode and configured to generate electrical energy by contact with another material, and a protective layer provided over the ferroelectric layer to prevent diffusion of charges generated on the ferroelectric layer.

Triboelectric generator

Example embodiments relate to an electrode structure, a triboelectric generator including the electrode structure, and a method of manufacturing the electrode structure. The electrode structure includes a flexible layer configured to be bendable by an external force and an electrode, at least some regions thereof being embedded in the flexible layer.

Electrode structure, triboelectric generator including the same, and method of manufacturing the electrode structure

Disclosed is a triboelectric energy harvester including an electrolyte solution comprising an electrolyte, and a friction material layer configured to contact the electrolyte solution, wherein the friction material layer is configured to be used as an electrode, and wherein frictional electricity is generated in response to the electrolytic solution contacting the friction material layer.

Triboelectric energy harvester using electrolyte

Provided is a hybrid power generating device. The hybrid power generating device includes a solar cell configured to generate an electric energy using sunlight; an electrostatic generating device configured to generate an electric energy using static electricity; and a rectifier configured to electrically connect the electric energy generated by the solar cell to the electric energy generated by the electrostatic generating device.

Hybrid power generating device

A ball-electric power generator is provided, in which triboelectric power can be generated by friction when balls made of one of triboelectric series having different shapes of spheres, sheets, rods, wires and the like move and hit layers or substrates made of one of the triboelectric series in a chamber defined by the layers or substrates and a spacer connecting the layers.

Ball-electric power generator

Growing community of inventors

Seoul, South Korea

Seongsu Kim