Korea Institute of Energy Research

Korea Atomic Energy Research Institute

Korea Advanced Institute of Science and Technology

Kihwan Kim

Ara Cho

Jihye Gwak

Tae-Soon Kwon

Sejin Ahn

Jae-ho Yun

SeoungKyu Ahn

Kyung Hoon Yoon

Kee Shik Shin

Young Joo Eo

Jae Ho Yun

Young-joo Eo

Jun Sik Cho

Joo Hyung Park

Joo-hyung Park

Hyun Sik Park

Jun-sik Cho

Se-jin Ahn

Jin-su Yoo

Jin Su Yoo

Sung Won Bae

Yusun Park

Seung-kyu Ahn

Sung-Hong Park

Hyun-Soo Lee

Taesoon Kwon

Hyoim Heo

Sungwon Bae

Disclosed are a method of detecting a neuron resonance signal and an MRI signal processing apparatus. The method of detecting a neuron resonance signal includes acquiring a plurality of different digital sequences respectively corresponding to a plurality of different repetition periods by sampling a magnetic resonance signal of a neuron resonance signal according to each of the plurality of different repetition periods and calculating correlation between the plurality of different digital sequences in a frequency band based on the plurality of different digital sequences.

MRI approach of multiple times to repeat for detection of neuronal oscillations

A passive natural circulation cooling system according to the present invention can comprise: a passive condensation tank formed to accommodate cooling water; and a condensate water recirculation device provided at the inner part or upper part of the passive condensation tank, and condensing the cooling water such that the cooling water circulates inside the passive condensation tank. The condense water recirculation device can include: a duct extending upwards from the upper part of the passive condensation tank; and a plurality of partition plates provided inside the passive condensation tank or the duct.

Passive natural circulation cooling system and method

A jig for a sample for a solar photovoltaic device is disclosed. The jig includes a cradle unit supporting the sample and a contact unit including at least one probe pin coming into contact with a busbar of the sample located in the cradle unit. The contact unit includes a coupling plate coupled with the cradle unit and at least one contact bar including a PCB and connected to the coupling plate, the contact bar having at least one probe pin aligned with the busbar of the sample with interposition of a probe pin connecting block. the jig includes a rotation support unit coupled with the cradle unit by a rotation shaft to allow the cradle unit to be rotated at an angle of 180&#xb0; or greater so that upper and lower surfaces of the sample supported by the cradle unit are reversed.

Jig for sample for solar photovoltaic device and solar simulator including the same

A method of manufacturing a CIGS-based solar cell including a transparent rear electrode, the method comprising forming a rear electrode layer including a transparent oxide material; forming rear electrode patterns including a metal material on the rear electrode layer; forming a CIGS-based light absorption layer on the rear electrode layer on which the rear electrode patterns are formed; forming a buffer layer on the light absorption layer; and forming a front electrode including a transparent material on the buffer layer, wherein the rear electrode patterns are provided with a transmissive portion, through which light is transmitted, formed between patterns of the metal material.

Method of manufacturing cigs-based solar cell and cigs-based solar cell

Disclosed herein is a water-air combined passive feed water cooling apparatus including a water cooling heat exchanger connected to the inside of a containment building to cool down heat of a steam generator using a water cooling method, a cooling tank including the water cooling heat exchanger therein and storing cooling water condensing main steam generated by the steam generator, an evaporative steam pipe connected to the cooling tank, the evaporative steam pipe, into which steam of the cooling water generated by the water cooling heat exchanger in the cooling tank flows, an air cooling heat exchanger connected to the evaporative steam pipe and cooling down and liquefying the steam flowing into the evaporative steam pipe, and a condensed water collecting pipe for refilling the cooling tank with the steam liquefied by the air cooling heat exchanger.

Water-air combined passive feed water cooling apparatus and system

Provided is a passive containment air cooling device with an isolated pressure boundary, including a heat exchanger positioned inside and outside a containment, penetrating through an outer wall of the containment to be connected to the containment through a pipe and thus form a closed loop, and including a coolant, an air induction duct circulating air outside the heat exchanger, and a cooled air exhaust unit formed in the air induction duct to increase cooling efficiency of the heat exchanger.

Passive containment air cooling device and system with isolated pressure boundary

A passive high-pressure safety injection system includes a compressor which generates high-temperature and high-pressure steam, a cooling water supply tank which supplies cooling water using the compressed steam, a nuclear reactor which receives the cooling water so that the nuclear reactor is maintained in a cooled state, and an internal circulation prevention structure which is provided in the cooling water supply tank and prevents the cooling water from circulating in the cooling water supply tank.

Water supply tank using compressor steam to provide cooling water to a nuclear reactor, and structure inside the tank reducing internal cooling water circulation resulting from injection of the steam into the tank

Disclosed herein is a device for controlling a sample temperature during photoelectric measurement of the sample. The device for controlling a sample temperature during photoelectric measurement of the sample includes: a sample stage to which a measurement target sample is fixed; a cooling unit for cooling the sample by injecting air; and a temperature measuring unit having a thermometer that measures a temperature of the sample. The device has an effect of easily controlling the temperature of a measurement target sample by employing a direct control method for a sample temperature, in which air or cooled air is injected to the sample.

Device for controlling sample temperature during photoelectric measurement and solar cell measurement device using same

Disclosed is an ultra-thin HIT solar cell, including: an n- or p-type crystalline silicon substrate; an amorphous silicon emitter layer having a doping type different from that of the silicon substrate; and an intrinsic amorphous silicon passivation layer formed between the crystalline silicon substrate and the amorphous silicon emitter layer, wherein the HIT solar cell further includes a transparent conductive oxide layer made of ZnO on an upper surface thereof, and the surface of the crystalline silicon substrate is not textured but only the surface of the transparent conductive oxide layer is textured, and thereby a very thin crystalline silicon substrate can be used, ultimately achieving an ultra-thin HIT solar cell having a very low total thickness while maintaining light trapping capacity.

Ultra thin hit solar cell and fabricating method of the same

Growing community of inventors

Daejeon, South Korea

Kihwan Kim