Patents by Inventor Yeong Cheon Kim
Yeong Cheon Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11806704Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.Type: GrantFiled: July 7, 2022Date of Patent: November 7, 2023Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young Suk Jo, Chang Won Yoon, Hyuntae Sohn, Hyangsoo Jeong, Seong Cheol Jang, Yeong Cheon Kim, Jonghee Han, Suk Woo Nam
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Patent number: 11569523Abstract: The present disclosure relates to a polymer electrolyte membrane for medium and high temperature, a preparation method thereof and a high-temperature polymer electrolyte membrane fuel cell including the same, more particularly to a technology of preparing a composite membrane including an inorganic phosphate nanofiber incorporated into a phosphoric acid-doped polybenzimidazole (PBI) polymer membrane by adding an inorganic precursor capable of forming a nanofiber in a phosphoric acid solution when preparing phosphoric acid-doped polybenzimidazole and using the same as a high-temperature polymer electrolyte membrane which is thermally stable even at high temperatures of 200-300° C. without degradation of phosphoric acid and has high ion conductivity.Type: GrantFiled: April 27, 2020Date of Patent: January 31, 2023Assignee: Korea Institute of Science and TechnologyInventors: So Young Lee, Seung Ju Lee, Min Jae Lee, Hyun Seo Park, Jong Hyun Jang, Hyoung-Juhn Kim, Suk Woo Nam, Young Suk Jo, Yeong Cheon Kim
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Publication number: 20220347644Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.Type: ApplicationFiled: July 7, 2022Publication date: November 3, 2022Inventors: Young Suk JO, Chang Won YOON, Hyuntae SOHN, Hyangsoo JEONG, Seong Cheol JANG, Yeong Cheon KIM, Jonghee HAN, Suk Woo NAM
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Patent number: 11465114Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.Type: GrantFiled: December 19, 2019Date of Patent: October 11, 2022Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young Suk Jo, Chang Won Yoon, Hyuntae Sohn, Hyangsoo Jeong, Seong Cheol Jang, Yeong Cheon Kim, Jonghee Han, Suk Woo Nam
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Publication number: 20210188630Abstract: The present disclosure relates to a hydrogen purification/storage apparatus and method using a liquid organic hydrogen carrier (LOHC).Type: ApplicationFiled: November 23, 2020Publication date: June 24, 2021Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young Suk JO, Yong Ha PARK, Yeong Cheon KIM, Hyang Soo JEONG, Yong Min KIM, Hyun Tae SOHN, Chang Won YOON, Suk Woo NAM, Jong Hee HAN
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Publication number: 20210119237Abstract: The present disclosure relates to a polymer electrolyte membrane for medium and high temperature, a preparation method thereof and a high-temperature polymer electrolyte membrane fuel cell including the same, more particularly to a technology of preparing a composite membrane including an inorganic phosphate nanofiber incorporated into a phosphoric acid-doped polybenzimidazole (PBI) polymer membrane by adding an inorganic precursor capable of forming a nanofiber in a phosphoric acid solution when preparing phosphoric acid-doped polybenzimidazole and using the same as a high-temperature polymer electrolyte membrane which is thermally stable even at high temperatures of 200-300° C. without degradation of phosphoric acid and has high ion conductivity.Type: ApplicationFiled: April 27, 2020Publication date: April 22, 2021Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: So Young LEE, Seung Ju LEE, Min Jae LEE, Hyun Seo PARK, Jong Hyun JANG, Hyoung-Juhn KIM, Suk Woo NAM, Young Suk JO, Yeong Cheon KIM
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Patent number: 10777834Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.Type: GrantFiled: August 11, 2017Date of Patent: September 15, 2020Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Pil Yoon, Jonghee Han, Hyung Chul Ham, Chang Won Yoon, Sun-Hee Choi, Hyun Seo Park, Yeong Cheon Kim, Chang-Whan Lee, Hyoung-Juhn Kim, Tae Hoon Lim, Suk Woo Nam, Seong Cheol Jang
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Patent number: 10710877Abstract: The present invention provides a hydrogen generating apparatus and a hydrogen generating method, wherein the hydrogen generating apparatus generates hydrogen by dehydrating formic acid, and comprises: a reactor for containing water and a heterogeneous catalyst; a formic acid feeder for feeding formic acid into the reactor; and a moisture remover for removing moisture generated from the reactor.Type: GrantFiled: January 27, 2015Date of Patent: July 14, 2020Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chang Won Yoon, Suk Woo Nam, Yeong Cheon Kim, Jonghee Han, Sung Pil Yoon, Hyoung-Juhn Kim, Taekhyun Oh, Tae Hoon Lim, Jin Young Kim, Sun-Hee Choi, Hyung Chul Ham
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Publication number: 20200197889Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.Type: ApplicationFiled: December 19, 2019Publication date: June 25, 2020Inventors: Young Suk JO, Chang Won YOON, Hyuntae SOHN, Hyangsoo JEONG, Seong Cheol JANG, Yeong Cheon KIM, Jonghee HAN, Suk Woo NAM
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Patent number: 10464020Abstract: The present disclosure relates to a hydrogen peroxide vapor decomposition and detoxification system including a hydrogen peroxide vapor suction unit which sucks hydrogen peroxide vapor in a target space to be sterilized, a hydrogen peroxide vapor decomposition and detoxification unit which decomposes the sucked hydrogen peroxide vapor, a vapor discharge unit which discharges decomposition products of the hydrogen peroxide vapor, and a control unit which controls an amount of vapor suction of the vapor suction unit, decomposition and detoxification of the hydrogen peroxide vapor decomposition and detoxification unit, and the vapor discharge unit.Type: GrantFiled: January 25, 2019Date of Patent: November 5, 2019Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kang Bong Lee, Yeong Cheon Kim, Yun Sik Nam, Jin Oh Jeon, Jong Ho Park
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Patent number: 10435296Abstract: Provided is a liquid hydrogen storage material including 1,1?-biphenyl and 1,1?-methylenedibenzene, the liquid hydrogen storage material including the corresponding 1,1?-biphenyl and 1,1?-methylenedibenzene at a weight ratio of 1:1 to 1:2.5. The corresponding liquid hydrogen storage material has excellent hydrogen storage capacity value by including materials having high hydrogen storage capacity, and is supplied in a liquid state, and as a result, it is possible to minimize initial investment costs and the like required when the corresponding liquid hydrogen storage material is used as a hydrogen storage material in a variety of industries.Type: GrantFiled: September 25, 2017Date of Patent: October 8, 2019Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chang Won Yoon, Dajung Han, Yeong Cheon Kim, Hyun Seo Park, Hyung Chul Ham, Sung Pil Yoon, Jonghee Han, Tae Hoon Lim, Suk Woo Nam
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Patent number: 10411266Abstract: Provided are: a dry reforming catalyst, in which a noble metal (M) is doped in a nickel yttria stabilized zirconia complex (Ni/YSZ) and an alloy (M-Ni alloy) of the noble metal (M) and nickel is formed at Ni sites on a surface of the nickel yttria stabilized zircona (YSZ); a method for producing the dry reforming catalyst using the noble metal/glucose; and a method for performing dry reforming using the catalyst. The present invention can exhibit a significantly higher dry reforming activity as compared with Ni/YSZ catalysts. Furthermore, the present invention can have an improved long-term performance by suppressing or preventing the deterioration. Furthermore, the preparing method is useful in performing the alloying of noble metal with Ni at Ni sites on the Ni/YSZ surface and can simplify the preparing process, and thus is suitable in mass production.Type: GrantFiled: March 4, 2015Date of Patent: September 10, 2019Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Suk Woo Nam, Chang Won Yoon, Yeong Cheon Kim, Yong Min Kim, Jonghee Han, Sung Pil Yoon, Hyung Chul Ham, Jihoon Jeong, Seok-Keun Koh
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Publication number: 20190168158Abstract: Disclosed is a hydrogen peroxide vapor detoxifying system, which includes a hydrogen peroxide vapor suction unit configured to suck a hydrogen peroxide vapor in a target space; a hydrogen peroxide vapor detoxifying unit configured to decompose the sucked hydrogen peroxide vapor; and a vapor discharging unit configured to discharge a decomposition product generated by decomposing the hydrogen peroxide vapor.Type: ApplicationFiled: March 2, 2018Publication date: June 6, 2019Inventors: Kang Bong LEE, Yeong Cheon KIM, Yun Sik NAM, Myeong Gi KIM, Jin Oh JEON, Jae Eun KIM
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Publication number: 20180269493Abstract: Provided are: a dry reforming catalyst, in which a noble metal (M) is doped in a nickel yttria stabilized zirconia complex (Ni/YSZ) and an alloy (M-Ni alloy) of the noble metal (M) and nickel is formed at Ni sites on a surface of the nickel yttria stabilized zircona (YSZ); a method for producing the dry reforming catalyst using the noble metal/glucose; and a method for performing dry reforming using the catalyst. The present invention can exhibit a significantly higher dry reforming activity as compared with Ni/YSZ catalysts. Furthermore, the present invention can have an improved long-term performance by suppressing or preventing the deterioration. Furthermore, the preparing method is useful in performing the alloying of noble metal with Ni at Ni sites on the Ni/YSZ surface and can simplify the preparing process, and thus is suitable in mass production.Type: ApplicationFiled: March 4, 2015Publication date: September 20, 2018Inventors: Suk Woo NAM, Chang Won YOON, Yeong Cheon KIM, Yong Min KIM, Jonghee HAN, Sung Pil YOON, Hyung Chul HAM, Jihoon JEONG, Seok-Keun KOH
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Patent number: 9993806Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formic acid, the method including: preparing a nitrogen-doped carbon support; forming a mixed solution including a first aqueous metal precursor solution which includes palladium (Pd) and a second aqueous metal precursor solution which includes nickel (Ni); and forming a catalyst for a dehydrogenation reaction of formic acid by stirring the nitrogen-doped carbon support with the mixed solution, and then immobilizing alloy particles of Pd and Ni on the nitrogen-doped carbon support.Type: GrantFiled: September 19, 2017Date of Patent: June 12, 2018Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Chang Won Yoon, Yeong Cheon Kim, Hyun Seo Park, Hyung Chul Ham, Sung Pil Yoon, Jonghee Han, Suk Woo Nam, Seong Cheol Jang
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Publication number: 20180093889Abstract: Provided is a liquid hydrogen storage material including 1,1?-biphenyl and 1,1?-methylenedibenzene, the liquid hydrogen storage material including the corresponding 1,1?-biphenyl and 1,1?-methylenedibenzene at a weight ratio of 1:1 to 1:2.5. The corresponding liquid hydrogen storage material has excellent hydrogen storage capacity value by including materials having high hydrogen storage capacity, and is supplied in a liquid state, and as a result, it is possible to minimize initial investment costs and the like required when the corresponding liquid hydrogen storage material is used as a hydrogen storage material in a variety of industries.Type: ApplicationFiled: September 25, 2017Publication date: April 5, 2018Inventors: Chang Won YOON, Dajung HAN, Yeong Cheon KIM, Hyun Seo PARK, Hyung Chul HAM, Sung Pil YOON, Jonghee HAN, Tae Hoon LIM, Suk Woo NAM
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Publication number: 20180078925Abstract: Provided is a method for preparing a catalyst for a dehydrogenation reaction of formic acid, the method including: preparing a nitrogen-doped carbon support; forming a mixed solution including a first aqueous metal precursor solution which includes palladium (Pd) and a second aqueous metal precursor solution which includes nickel (Ni); and forming a catalyst for a dehydrogenation reaction of formic acid by stirring the nitrogen-doped carbon support with the mixed solution, and then immobilizing alloy particles of Pd and Ni on the nitrogen-doped carbon support.Type: ApplicationFiled: September 19, 2017Publication date: March 22, 2018Inventors: Chang Won YOON, Yeong Cheon KIM, Hyun Seo PARK, Hyung Chul HAM, Sung Pil YOON, Jonghee HAN, Suk Woo NAM, Seong Cheol JANG
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Publication number: 20180048009Abstract: Disclosed are a method for supplying molten carbonate fuel cell with electrolyte and a molten carbonate fuel cell using the same, wherein a molten carbonate electrolyte is generated from a molten carbonate electrolyte precursor compound in a molten carbonate fuel cell and is supplied to the molten carbonate fuel cell.Type: ApplicationFiled: August 11, 2017Publication date: February 15, 2018Inventors: Sung Pil YOON, Jonghee HAN, Hyung Chul HAM, Chang Won YOON, Sun-Hee CHOI, Hyun Seo PARK, Yeong Cheon KIM, Chang-Whan LEE, Hyoung-Juhn KIM, Tae Hoon LIM, Suk Woo NAM, Seong Cheol JANG
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Publication number: 20170197828Abstract: The present invention provides a hydrogen generating apparatus and a hydrogen generating method, wherein the hydrogen generating apparatus generates hydrogen by dehydrating formic acid, and comprises: a reactor for containing water and a heterogeneous catalyst; a formic acid feeder for feeding formic acid into the reactor; and a moisture remover for removing moisture generated from the reactor.Type: ApplicationFiled: January 27, 2015Publication date: July 13, 2017Inventors: Chang Won YOON, Suk Woo NAM, Yeong Cheon KIM, Jonghee HAN, Sung Pil YOON, Hyoung-Juhn KIM, Taekhyun OH, Tae Hoon LIM, Jin Young KIM, Sun-Hee CHOI, Hyung Chul HAM
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Patent number: 9431664Abstract: Provided is a method for preparing nickel-aluminum alloy powder at low temperature, which is simple and economical and is capable of solving the reactor corrosion problem. The method for preparing nickel-aluminum alloy powder at low temperature includes: preparing a powder mixture by mixing nickel powder and aluminum powder in a reactor and adding aluminum chloride into the reactor (S1); vacuumizing the inside of the reactor and sealing the reactor (S2); and preparing nickel-aluminum alloy powder by heat-treating the powder mixture in the sealed reactor at low temperature (S3).Type: GrantFiled: October 1, 2013Date of Patent: August 30, 2016Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hyung Chul Ham, Shin Ae Song, Seong Cheol Jang, Yong Min Kim, Jonghee Han, Hyoung-Juhn Kim, Tae Hoon Lim, Suk Woo Nam, Sung Pil Yoon, Chang Won Yoon, Yeong Cheon Kim