Patents Assigned to Korea Institute of Energy Research
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Patent number: 11947029Abstract: The present disclosure relates to a system and method for detecting occupants, and more specifically, to a system and method for accurately detecting positions of occupants in a building using beacon signals.Type: GrantFiled: October 28, 2021Date of Patent: April 2, 2024Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Yu Jin Song, Yoon Dong Sung, Kuk Yeol Bae, Gi Hwan Yoon
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Publication number: 20240106222Abstract: An embodiment of the present disclosure provides an arc risk management method comprising: pre-processing measurement values of currents flowing into an electric apparatus; estimating a level of arc energy in the electric apparatus by inputting the measurement values into one artificial intelligence network comprising a first layer including a dilated convolutional neural network and a second layer including a recurrent neural network; and indicating an arc risk to the electric apparatus in a quantitative way according to the level of arc energy.Type: ApplicationFiled: September 12, 2023Publication date: March 28, 2024Applicant: Korea Institute of Energy ResearchInventors: Yoon Dong SUNG, Gi Hwan YOON, Kuk-Yeol BAE, Suk In PARK, Mo Se KANG, Hak Geun JEONG, Hye Jin KIM
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Publication number: 20240100469Abstract: The present disclosure relates to a pressure swing adsorption apparatus for hydrogen purification from decomposed ammonia gas and a hydrogen purification method using the same, and more particularly, the pressure swing adsorption apparatus of the present disclosure includes a plurality of adsorption towers including a pretreatment unit and a hydrogen purification unit wherein the adsorption towers of the pretreatment unit and the hydrogen purification unit are packed with different adsorbents, thereby achieving high purity hydrogen purification from mixed hydrogen gas produced after ammonia decomposition, making it easy to replace the adsorbent for ammonia removal, minimizing the likelihood that the lifetime of the adsorbent in the hydrogen purification unit is drastically reduced by a very small amount of ammonia, and actively responding to a large change in ammonia concentration in the raw material.Type: ApplicationFiled: April 11, 2022Publication date: March 28, 2024Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Hyung-chul YOON, Sang-sup HAN, Hee-tae BEUM, Kanghee CHO, Sun Hyung KIM, Hyung Kuk JU
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Publication number: 20240075432Abstract: Provided are a hollow fiber composite membrane for water vapor separation, comprising a hollow fiber membrane including two or more pores and a coating layer in which an interfacial polymer obtained from interfacial polymerization of water-soluble monomer and an organic monomer is coated on a surface of the hollow fiber membrane, and a chemical resistant substance is introduced in the interfacial polymer, and a method for manufacturing the same.Type: ApplicationFiled: November 16, 2022Publication date: March 7, 2024Applicants: KOREA INSTITUTE OF ENERGY RESEARCH, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Deok JEON, Soon Jin KWON, Won Kil CHOI, So Jung PARK
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Patent number: 11897903Abstract: The present invention relates to a metal-organic framework and an energy storage system having the same, and more specifically, to an energy storage system that is capable of providing excellent electrical conductivity and electrochemical capacity properties, especially excellent electrochemical performance at low temperatures, by means of a novel one-dimensional metal-organic framework having thianthrene-based organic ligands.Type: GrantFiled: November 2, 2022Date of Patent: February 13, 2024Assignees: KOREA INSTITUTE OF ENERGY RESEARCH, CENTER FOR ADVANCED META-MATERIALSInventors: Hyun Uk Kim, Seong Ok Han, Jung Joon Yoo, Tae Woo Kim, Se Gi Byun, Hak Joo Lee, Young Hoon Seong, Yogendra Kumar
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Patent number: 11872519Abstract: Disclosed is a carbon dioxide absorbent and a carbon dioxide separation method using the same that greatly reduces energy consumption due to a small amount of latent heat required in regeneration of absorbents, enhances CO2 absorption rate, undergoes almost no thermal denaturation even at high temperatures while absorbing carbon dioxide, and results in a considerable reduction of the cost associated with absorption of carbon dioxide.Type: GrantFiled: October 16, 2018Date of Patent: January 16, 2024Assignees: SOGANG UNIVERSITY RESEARCH FOUNDATION, UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY, KOREA CARBON CAPTURE & SEQUESTRATION R&D CENTER, KOREA INSTITUTE OF ENERGY RESEARCHInventors: Kwang Soon Lee, Hoon Sic Kim, Hui Yong Kim, Jung Hwan Kim, Sung June Hwang, Ja Yeop Kim, Shin Young Bae, Su Jin Na, Sang Do Park, Tae Sung Park, Yun Je Lee, Jong Kyun You
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Publication number: 20230420696Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Gu-gon PARK, Eun Jik LEE, Kyunghee KIM, Sung-dae YIM, Seok-hee PARK, Min-ji KIM, Young-jun SOHN, Byungchan BAE, Seung-gon KIM, Dongwon SHIN, Hwanyeong OH, Seung Hee WOO, So Jeong LEE, Hyejin LEE, Yoon Young CHOI, Won-yong LEE, Tae-hyun YANG
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Publication number: 20230420691Abstract: Disclosed is a method of manufacturing a cathode for a solid oxide fuel cell (SOFC) including preparing an electrode composition containing urea, ultrasonically spraying the electrode composition onto a GDC scaffold, and drying the scaffold. By using urea, calcination (?700° C.) after each infiltration cycle can be omitted, the next infiltration cycle is performed immediately after the drying (?100° C.), and thus the cathode manufacturing process time can be greatly reduced. Disclosed is also a solid oxide fuel cell including an anode support, an anode functional layer disposed on the anode support, an electrolyte disposed on the anode functional layer, and a cathode disposed on the electrolyte, wherein the cathode is formed by ultrasonic spraying using an electrode composition containing urea.Type: ApplicationFiled: February 22, 2023Publication date: December 28, 2023Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Seung Bok LEE, Rak Hyun SONG, Seok Joo PARK, Tak Hyoung LIM, Jong Eun HONG, Dong Woo JOH, Hye Sung KIM, SAEED UR REHMAN
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Publication number: 20230402619Abstract: A method for preparing a platinum alloy catalyst using an oxide coating according to an embodiment of the present disclosure comprises: a first step of preparing a dispersion by mixing a commercial platinum catalyst and a transition metal precursor with a solvent; a second step of preparing a catalyst by putting an ultrasonic tip into the dispersion prepared through the first step and performing an ultrasonic process; a third step of performing a primary heat treatment process on the catalyst prepared through the second step; a fourth step of performing an acid treatment process on the catalyst that has undergone the primary heat treatment process through the third step; and a fifth step of preparing a platinum alloy catalyst by performing a secondary heat treatment process on the catalyst that has undergone the acid treatment process through the fourth step.Type: ApplicationFiled: March 23, 2023Publication date: December 14, 2023Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Eun Jik LEE, Gu-gon PARK, DongJe LEE, Sung-dae YIM, Seok-hee PARK, Min-jin KIM, Young-jun SOHN, Byungchan BAE, Seung-gon KIM, Dongwon SHIN, Hwanyeong OH, Seung Hee WOO, So Jeong LEE, Hyejin LEE, Yoon Young CHOI, Yun Sik KANG, Won-yong LEE, Tae-hyun YANG
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Patent number: 11826719Abstract: Disclosed is an adsorbent containing a metal oxide for adsorption of hydrogen sulfide in biogas, and a biogas purification system using the same.Type: GrantFiled: March 27, 2020Date of Patent: November 28, 2023Assignee: Korea Institute of Energy ResearchInventors: Il Hyun Baek, Sung Chan Nam
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Publication number: 20230378480Abstract: The manufacturing method of a palladium transition metal core-based core-shell electrode catalyst according to an exemplary embodiment of the present disclosure includes a first step of preparing a slurry by irradiating ultrasonic wave to a dispersion solution including a solvent, a platinum precursor, a palladium precursor, a carbon support, and a transition metal precursor, a second step of preparing a solid material by filtering, washing, and drying the slurry prepared in the first step, and a third step of preparing a core-shell electrode catalyst by thermally treating the solid prepared in the second step in a specific gas atmosphere.Type: ApplicationFiled: January 31, 2023Publication date: November 23, 2023Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Gu-gon PARK, Eunjik LEE, Ik Sung LIM, Sung-Dae YIM, Seok-Hee PARK, Minjin KIM, Young-Jun SOHN, Byungchan BAE, Seung-gon KIM, Dongwon SHIN, Hwanyeong OH, Seung Hee WOO, So Jeong LEE, Hyejin LEE, Yoon Young CHOI, Yun Sik KANG, Won-yong LEE, Tae-hyun YANG
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Patent number: 11815270Abstract: Discussed is a heat transmitting system for providing a heat medium with a set temperature, the system comprises a heat source, a plurality of heat storage tanks, a heat exchanger, a heat source pump, an inlet side-heat source header, a heat source header valve, an outlet side-heat source header, an outlet valve of heat storage tank, a header outlet valve, a heat transmitting line, a heat transmitting pump, a temperature sensor of heat storage tank, and a controller conducting a heat storage mode for a heat storage tank whose temperature is the set temperature or below. During the heat storage mode, the controller operates the heat source pump, controlling the specific heat storage tank to store heat, and during the heat transmission mode, the controller suspends the operation of the heat source pump, controlling the heat medium inside the specific heat storage tank to be transmitted to the heat exchanger.Type: GrantFiled: August 28, 2020Date of Patent: November 14, 2023Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dong Hyun Lee, Jaejoon Choi, Duck Jae Wei, Seongeun Kim
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Patent number: 11817555Abstract: The present disclosure relates to a composition for a polymer electrolyte, a polymer electrolyte comprising the same, and a method for producing the polymer electrolyte, and specifically, to a composition for a polymer electrolyte comprising an ion conductive monomer and a polymerizable comonomer, and a polymer electrolyte comprising the same.Type: GrantFiled: September 18, 2020Date of Patent: November 14, 2023Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jung-hyun Lee, Jungjoon Yoo, Jeong Hun Baek, Jeong-gu Yeo, Hyun Ju Lim, Hye Jin Lee
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Method for preparation gaseous-nitridation treated or liquid-nitridation treated core-shell catalyst
Patent number: 11813600Abstract: The present disclosure is related to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst and, more specifically, to a method for preparing a gaseous- or liquid-nitridation treated core-shell catalyst comprising steps of: nitridation-treating a transition metal precursor core and noble metal precursor shell particles in the presence of a gaseous nitrogen source; or forming a transition metal precursor core and noble metal precursor shell particles, by means of a liquid nitrogen source, and at the same time allowing the nitrogen source to bond with the transition metal precursor and thus allowing nitridation treatment. Therefore, the present disclosure allows a high nitrogen content in the core and thus enables a prepared catalyst to have excellent durability, a small average particle size and high degree of dispersion and uniformity, and thus to be suitable for the fuel cell field.Type: GrantFiled: July 5, 2018Date of Patent: November 14, 2023Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Gu-gon Park, Eun-jik Lee, Dong-chul Park, Sung-dae Yim, Chang-soo Kim, Won-yong Lee, Tae-hyun Yang, Seok-hee Park, Min-jin Kim, Young-jun Sohn, Byung-chan Bae, Seung-gon Kim, Dong-won Shin, Hwan-yeong Oh -
Publication number: 20230349548Abstract: The present invention relates to a chemical looping combustion and carbon dioxide direct reduction (CLC-CDR) integration system and an operation method thereof, particularly to a chemical looping combustion and carbon dioxide direct reduction (CLC-CDR) integration system including: an air reactor, wherein an oxygen carrier particle is oxidized by reacting with injected air and air from which oxygen was partially removed is discharged; a fuel reactor, wherein the oxidized oxygen carrier particle is supplied, a supplied fuel is reacted to reduce the oxidized oxygen carrier particle, and carbon dioxide including H2O is discharged; and a carbon dioxide reduction reactor, wherein the reduced oxygen carrier particle is supplied, supplied carbon dioxide is reacted to discharge carbon monoxide, and the reduced oxygen carrier particle is partially oxidized and supplied to the air reactor.Type: ApplicationFiled: February 28, 2023Publication date: November 2, 2023Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Ho-Jung RYU, Byung Wook HWANG, Hana KIM, Yooseob WON, Daewook KIM, Yu Ri LEE, Sung-Ho JO, Seung-Yong LEE, Young Cheol PARK
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Patent number: 11804337Abstract: Disclosed herein is an electrochemical device forming a chip-capacitor or a super-capacitor. The electrochemical device includes: a ceramic substrate having a nonconductive ceramic layer, a current collecting layer disposed on a nonconductive ceramic layer and made of ceramic or cermet, and a metal layer arranged on outer surfaces of the nonconductive ceramic layer and the current collecting layer; an electrode having a positive electrode and a negative electrode and formed on the current collecting layer; and a nonconductive ceramic packaging module located on the ceramic substrate to accommodate electrolyte therein, wherein the metal layer is exposed to the outside of the nonconductive ceramic packaging module.Type: GrantFiled: May 10, 2021Date of Patent: October 31, 2023Assignee: Korea Institute of Energy ResearchInventors: Jung Joon Yoo, Ji Haeng Yu, Kyong Sik Yun, Jeong Hun Baek, Hyeon Jin Kim
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Patent number: 11791475Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.Type: GrantFiled: September 3, 2021Date of Patent: October 17, 2023Assignee: Korea Institute of Energy ResearchInventors: Gu-Gon Park, Eun Jik Lee, Kyunghee Kim, Sung-dae Yim, Seok-hee Park, Min-ji Kim, Young-jun Sohn, Byungchan Bae, Seung-gon Kim, Dongwon Shin, Hwanyeong Oh, Seung Hee Woo, So Jeong Lee, Hyejin Lee, Yoon Young Choi, Won-Yong Lee, Tae-hyun Yang
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Publication number: 20230303607Abstract: The present invention relates to a metal-organic framework and an energy storage system having the same, and more specifically, to an energy storage system that is capable of providing excellent electrical conductivity and electrochemical capacity properties, especially excellent electrochemical performance at low temperatures, by means of a novel one-dimensional metal-organic framework having thianthrene-based organic ligands.Type: ApplicationFiled: November 2, 2022Publication date: September 28, 2023Applicants: KOREA INSTITUTE OF ENERGY RESEARCH, Center for Advanced Meta-MaterialsInventors: Hyun Uk KIM, Seong Ok HAN, Jung Joon YOO, Tae Woo KIM, Se Gi BYUN, Hak Joo LEE, Young Hoon SEONG, Yogendra Kumar
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Publication number: 20230295002Abstract: The present invention may provide a nano-sized composite having excellent electrical conductivity and specific surface area. The present invention may provide a method of producing the above-described composite through a simple process without an ultracentrifugation process or a flash annealing step. The present invention may provide an energy storage device having high power performance and having excellent specific capacity characteristics not only at low current density but also at high current density.Type: ApplicationFiled: May 27, 2022Publication date: September 21, 2023Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jung Joon YOO, Sang Hui KANG, Jeong Hun BAEK, Bum Jin KIM, Kang Jick KIM, Tae Hyeong KIM
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Patent number: 11761682Abstract: The present invention relates to a close-contacting module capable of bringing a solar photovoltaic panel and a thermal collector of a solar photovoltaic-thermal panel into close contact without creating an interface. The close-contacting module comprises: a plurality of elastic members (36) which provide an elastic force that presses the thermal collector (20) toward the solar photovoltaic panel (10) from the backside of the thermal collector (20); a support member (35) for supporting the elastic members (36); and a pair of clips (31, 32, 33) provided at both ends of the support member (35) to fix the support member (35) to the edges of the solar photovoltaic-thermal panel (1).Type: GrantFiled: January 31, 2020Date of Patent: September 19, 2023Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Euy-Joon Lee, Eun-Chul Kang, Yu-Jin Kim, Kwang-Seob Lee