Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Georgia Tech Research Corporation

Leland Stanford Junior University

Sungkyunkwan University

Industry-University Cooperation Foundation Hanyang University

Young-jun Park

Jong-min Kim

Seung-nam Cha

Zhenan Bao

Yun-kwon Park

Yong-wan Jin

In-Taek Han

Zhong-lin Wang

Jung-Gyu Nam

Jin Seong Heo

Sang-min Lee

Sang-woo Kim

Jung-woo Kim

Sang-cheol Park

Ho-suk Kang

Kyu-sik Kim

Tae-Won Jeong

Jung-inn Sohn

Min-Jong Bae

Jeong Hwan Lee

Ji-yeon Ku

Steve J Park

Hong-joon Yoon

Joon-ho Bae

Hang-woo Lee

Jae-Hyun Park

Hyun-jin Kim

In-sang Song

Sang-Wook Kwon

Zhong Lin Wang

Tae-Jin Kim

Ho-seong Seo

Hyun-Jin Kim

O-Hyun Kwon

Seoung-jae Im

Jae-eun Jung

Jun-Seok Lee

Chan-Wook Baik

Jin-hyoung Park

Sung-kee Kang

Won-Cheol Jung

Ha-jin Kim

Sang-Cheol Park

Joon-hak Oh

Gi-young Kim

Sang-Hyo Lee

Wan Chul Seung

Ju-hyuck Lee

Wanchul Seung

Keun Hyo Lee

Won-jong Yoo

HanJun Ryu

Jin-Pyo Hong

Kye-won Maeng

Hye-jeong Park

Pradipta Patra

TaeYun Kim

Kwang-Joon Yoon

Hyoungtaek Kim

Youngin Son

Huamin Li

Min-baek Lee

Hye-suk Jo

Phil-Jae Chang

Disclosed are electronic devices including a polymer including a ferroelectric and quantum dots disposed in the ferroelectric, at least one solar cell configured to receive light through the polymer and to convert the light into electrical energy, and a battery configured to be charged with the electrical energy from the at least one solar cell.

Electronic device for harvesting power from at least one power source and method for operating the same

An energy harvesting apparatus including light collecting particles is provided. The energy harvesting apparatus includes a light collecting layer for collecting light incident thereon from the outside, a first charging member on a first surface of the light collecting layer, a second charging member on a surface of the light collecting layer opposite the first surface, and solar cells on opposite light exit surfaces between the first and second surfaces of the light collecting layer.

Energy harvesting apparatus having light collecting particles

An energy harvest is disclosed. The disclosed energy harvest includes: a first charging member including a plurality of first protruding parts; and a second charging member including a plurality of second protruding parts arranged between the first protruding parts and including a material different from that of the first protruding parts. When at least one of the first and second charging members moves, side surfaces of the first protruding parts and side surfaces of the second protruding parts come into contact with each other, or gaps between the side surfaces of the first protruding parts and the side surfaces of the second protruding parts are changed. The energy harvest generates electrical energy from the contact or the gap change.

Energy harvester

A hybrid generator using a thermoelectric generation and a piezoelectric generation are provided. The hybrid generator includes first and second insulating layers spaced apart from each other; a thermoelectric structure disposed between the first and second insulating layers; a first electrode disposed on the second insulating layer; a piezoelectric structure disposed on the first electrode; a third insulating layer disposed on the piezoelectric structure; and a second electrode disposed on the third insulating layer.

Hybrid generator using thermoelectric generation and piezoelectric generation

The present disclosure enables materials of a triboelectric charging member to exhibit a characteristic of increased surface charge density, thereby improving output of a triboelectric generating device. Accordingly, the present disclosure provides a triboelectric generating device showing improved output without increasing a size of the triboelectric generating device or without increasing amounts of materials required for the triboelectric generating device. An embodiment of a triboelectric generating device provided according to a first aspect of the present disclosure includes a first electrode; a first charging layer formed on the first electrode; and a second electrode disposed on the first charging layer, wherein the first charging layer and the second electrode are arranged such that an interface between the first charging layer and the second electrode forms a frictional interface, and the first charging layer includes a ferroelectric polymer matrix and ferroelectric inorganic particles dispersed in the ferroelectric polymer matrix.

Triboelectric generation device

According to example embodiments, a method includes dispersing carbon nanotubes in a mixed solution containing a solvent, the carbon nanotubes, and a dispersant, the carbon nanotubes including semiconducting carbon nanotubes, the dispersant comprising a polythiophene derivative including a thiophene ring and a hydrocarbon sidechain linked to the thiophene ring. The hydrocarbon sidechain includes an alkyl group containing a carbon number of 7 or greater. The hydrocarbon sidechain may be regioregularly arranged, and the semiconducting carbon nanotubes are selectively separated from the mixed solution. An electronic device includes semiconducting carbon nanotubes and the foregoing described polythiophene derivative.

Method of selective separation of semiconducting carbon nanotubes, dispersion of semiconducting carbon nanotubes, and electronic device including carbon nanotubes separated by using the method

An energy harvester is provided. The energy harvester includes a first friction member, and a second friction member arranged to face the first friction member and generating electrical energy by causing friction with the first friction member. At least one of the first friction member and the second friction member includes a pyroelectric material converting frictional heat generated due to friction of the first and second friction members into electrical energy. While the energy harvester generates electrical energy by triboelectrification, the energy harvester may convert frictional heat into electrical energy by using a pyroelectric material.

Provided are an energy harvester using a mass, and a mobile device including the energy harvester. The energy harvester includes: a mass; first and second substrates spaced apart from each other, wherein one of the first and second substrates is connected to the mass; first and second electrodes provided on the first and second substrates; and an energy generator provided between the first and second electrodes, wherein the energy generator generates electric energy upon a relative movement between the first substrate and the second substrate caused by a movement of the mass.

Energy harvester using mass and mobile device including the energy harvester

A method of controlling a growth crystallographic plane of a metal oxide semiconductor having a wurtzite crystal structure by using a thermal chemical vapor deposition method includes controlling a growth crystallographic plane by allowing the metal oxide semiconductor to grow in a non-polar direction by using a source material including a thermal decomposition material that reduces a surface energy of a polar plane of the metal oxide semiconductor.

Controlled manufacturing method of metal oxide semiconductor and metal oxide semiconductor structure having controlled growth crystallographic plane

A flexible supercapacitor, a method of manufacturing the same, and a device including the same are provided, the flexible supercapacitor includes a first flexible electrode assembly, a second flexible electrode assembly corresponding to the first flexible electrode assembly, a separator for preventing contact between the first flexible electrode assembly and the second flexible electrode assembly, and an electrolyte between the first flexible electrode assembly and the second flexible electrode assembly. The flexible supercapacitor may include a tube including the first flexible electrode assembly, the second flexible electrode assembly, the separator, and the electrolyte.

Flexible supercapacitor, method of manufacturing the same, and device including the flexible supercapacitor

Example embodiments relate to a solar cell including organic nanowires. The solar cell may include a photoelectric conversion layer formed of a p-type material including an organic material and an n-type material including organic nanowires.

Solar cell having organic nanowires

Provided are an energy harvester using a mass, and a mobile device including the energy harvester. The mobile device includes an energy harvester connected to a mobile device body to generate electric energy. The energy harvester includes an energy generator configured to generate electric energy by using a mechanical force applied by a movement of the mobile device body.

Provided is an energy harvesting device having a self-powered touch sensor so that the energy harvesting device is capable of sensing pressure due to an external touch without using external power and harvesting and storing energy generated in response to the touch pressure. The energy harvesting device includes first and second electrodes facing each other, an energy generation layer disposed on the first electrode, and an elastic layer disposed on the second electrode layer, the elastic layer facing the energy generation layer and being configured to be elastically deformed according to pressure applied to the elastic layer. The energy generation layer is configured to generate energy according to the pressure applied to the energy generation layer.

Energy harvesting device having self-powered touch sensor

Growing community of inventors

Suwon-si, South Korea

Young-jun Park