Patents by Inventor Wang-Lai Yoon
Wang-Lai Yoon 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).
-
Patent number: 11738325Abstract: An oil adsorbent is manufactured by including performing heat treatment on a non-woven fabric for low-temperature carbonization, and has the effect of adsorbing and evaporating oil having various carbon numbers ranging from a low boiling point to a high boiling point to remove the oil, has photothermal conversion efficiency, high evaporation efficiency of oil by sunlight, and a high adsorption amount and high adsorption rate, thereby making the adsorption-evaporation cycle fast and efficiently performing the adsorption-evaporation, and has an environmentally friendly effect that does not cause any environmental problems even if the oil adsorbent is put into a river, a sea, or the like and then lost.Type: GrantFiled: August 25, 2021Date of Patent: August 29, 2023Assignees: THE INDUSTRY & ACADEMIC COOPERATION IN CHUNGNAM NATIONAL UNIVERSITY (IAC), KOREA INSTITUTE OF ENERGY RESEARCHInventors: Kyu Bock Lee, Jae-Hak Choi, Bon-Jun Ku, Byoung-Min Lee, Wang Lai Yoon, Dong Joo Seo
-
Publication number: 20220062854Abstract: An oil absorbent is manufactured by including performing heat treatment on a non-woven fabric for low-temperature carbonization, and has the effect of adsorbing and evaporating oil having various carbon numbers ranging from a low boiling point to a high boiling point to remove the oil, has photothermal conversion efficiency, high evaporation efficiency of oil by sunlight, and a high adsorption amount and high adsorption rate, thereby making the adsorption-evaporation cycle fast and efficiently performing the adsorption-evaporation, and has an environmentally friendly effect that does not cause any environmental problems even if the oil absorbent is put into a river, a sea, or the like and then lost.Type: ApplicationFiled: August 25, 2021Publication date: March 3, 2022Inventors: Kyu Bock LEE, Jae-Hak CHOI, Bon-Jun KU, Byoung-Min LEE, Wang Lai YOON, Dong Joo SEO
-
Patent number: 10899612Abstract: Provided is a hydrogen production reactor as a reactor producing a reforming gas including hydrogen, in which a burning unit and a reforming unit are sequentially arranged and spaced apart from each other in a concentric structure based on a raw material transfer pipe positioned at a central axis of the reactor, including a heating raw material transfer pipe supplying a raw material to the burning unit, a burning unit burning the supplied raw material and supplying heat to the reforming unit, a reforming raw material phase change pipe positioned within the burning unit and heating the supplied raw material, and a reforming unit reforming the phase-changed raw material supplied from the reforming raw material phase change pipe, wherein the reforming raw material phase change pipe is provided as a coil surrounding an outer circumferential surface of a lower end of the heating raw material transfer pipe.Type: GrantFiled: September 11, 2017Date of Patent: January 26, 2021Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dong-joo Seo, Woohyun Kim, Sang-ho Park, Wang-lai Yoon
-
Patent number: 10471419Abstract: An embodiment of the present invention provides a method for forming a metal oxide coating layer on a catalyst support, which comprises a precipitation step for forming a metal-containing precipitate on the catalyst support by contacting the catalyst support with a mixed solution containing a metal oxide precursor and a precipitant, and a calcination step for calcinating the metal-containing precipitate produced on the catalyst support to produce the metal oxide coating layer on the catalyst support.Type: GrantFiled: April 18, 2016Date of Patent: November 12, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Kee Young Koo, Wang Lai Yoon, Un Ho Jung, Hyun Ji Eom, Soon Chul Kwon
-
Patent number: 10017873Abstract: An embodiment of the invention provides a method for forming a magnesium (Mg)-containing coating layer on the surface of a metal support, which comprises a first step of preparing a precursor solution containing a magnesium component, a second step of forming a precipitate on the surface of a metal support by immersing and aging the metal support in the precursor solution prepared in the first step, and a third step of forming a magnesium-containing coating layer on the surface of the metal support by calcinating the precipitate formed in the second step.Type: GrantFiled: August 18, 2017Date of Patent: July 10, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Kee Young Koo, Wang Lai Yoon, Un Ho Jung, Hyo Been Im
-
Publication number: 20180134552Abstract: Provided is a hydrogen production reactor as a reactor producing a reforming gas including hydrogen, in which a burning unit and a reforming unit are sequentially arranged and spaced apart from each other in a concentric structure based on a raw material transfer pipe positioned at a central axis of the reactor, including a heating raw material transfer pipe supplying a raw material to the burning unit, a burning unit burning the supplied raw material and supplying heat to the reforming unit, a reforming raw material phase change pipe positioned within the burning unit and heating the supplied raw material, and a reforming unit reforming the phase-changed raw material supplied from the reforming raw material phase change pipe, wherein the reforming raw material phase change pipe is provided as a coil surrounding an outer circumferential surface of a lower end of the heating raw material transfer pipe.Type: ApplicationFiled: September 11, 2017Publication date: May 17, 2018Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dong-joo SEO, Woohyun KIM, Sang-ho PARK, Wang-lai YOON
-
Patent number: 9795954Abstract: The present invention relates to a method for preparing a catalyst comprising a ruthenium-containing catalyst layer highly dispersed with a uniform thickness on a surface of a substrate having a structure, which comprises first aging a mixed solution of a ruthenium precursor-containing solution and a precipitating agent to form a ruthenium-containing precipitate seeds, secondarily aging the first aged mixed solution to grow the seeds thereby forming ruthenium-containing precipitate particles, and then contacting the particles with a substrate to deposit the particles on the surface of the substrate. Since the catalyst has a structure in which the round shaped ruthenium-containing precipitate particles are piled to form the ruthenium-containing catalyst layer, it has a large specific surface area. Thus, the catalyst may exhibit excellent catalytic performance in various reactions for producing hydrogen using a ruthenium catalyst.Type: GrantFiled: October 21, 2015Date of Patent: October 24, 2017Assignee: Korea Institute of Energy ResearchInventors: Kee-Young Koo, Wang-Lai Yoon, Un-Ho Jung, Young-Jae Hwang, Hyun Ji Eom
-
Publication number: 20170197202Abstract: An embodiment of the present invention provides a method for forming a metal oxide coating layer on a catalyst support, which comprises a precipitation step for forming a metal-containing precipitate on the catalyst support by contacting the catalyst support with a mixed solution containing a metal oxide precursor and a precipitant, and a calcination step for calcinating the metal-containing precipitate produced on the catalyst support to produce the metal oxide coating layer on the catalyst support.Type: ApplicationFiled: April 18, 2016Publication date: July 13, 2017Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Kee Young KOO, Wang Lai YOON, Un Ho JUNG, Hyun Ji EOM, Soon Chul KWON
-
Patent number: 9643288Abstract: Disclosed are a heat exchange reactor and a method of manufacturing the same, and a method of manufacturing a heat exchange reactor includes: preparing lateral plates provided with a plurality of slits formed in parallel in a longitudinal direction; disposing two lateral plates to be spaced apart from each other while facing each other in a vertical direction; forming a plurality of flow path channels by inserting flow path partition plates into one or more slits of the two lateral plates in a horizontal direction; forming a plurality of flow path channels by inserting printed circuit heat exchange plates, which autonomously include one or more heat exchange flow paths therein, into one or more slits of the two lateral plates in a horizontal direction; and bonding the lateral plates, the flow path partition plates, and the printed circuit heat exchange plates.Type: GrantFiled: December 12, 2014Date of Patent: May 9, 2017Assignee: Korea Institute of Energy ResearchInventors: Dong Joo Seo, Wang Lai Yoon, Woohyun Kim, Un Ho Jung, Kee Young Koo, Sang Ho Park, Young Jae Hwang
-
Publication number: 20170001187Abstract: The present invention relates to a method for preparing a catalyst comprising a ruthenium-containing catalyst layer highly dispersed with a uniform thickness on a surface of a substrate having a structure, which comprises first aging a mixed solution of a ruthenium precursor-containing solution and a precipitating agent to form a ruthenium-containing precipitate seeds, secondarily aging the first aged mixed solution to grow the seeds thereby forming ruthenium-containing precipitate particles, and then contacting the particles with a substrate to deposit the particles on the surface of the substrate. Since the catalyst has a structure in which the round shaped ruthenium-containing precipitate particles are piled to form the ruthenium-containing catalyst layer, it has a large specific surface area. Thus, the catalyst may exhibit excellent catalytic performance in various reactions for producing hydrogen using a ruthenium catalyst.Type: ApplicationFiled: October 21, 2015Publication date: January 5, 2017Inventors: Kee-Young KOO, Wang-Lai YOON, Un-Ho JUNG, Young-Jae HWANG, Hyun Ji EOM
-
Patent number: 9446388Abstract: Disclosed is a metal complex including: a tin oxide; titanium oxide nanorods in a rutile phase formed on the tin oxide; and titanium oxide nanoparticles in an anatase phase formed on the titanium oxide nanorods in a rutile phase, and a preparation method thereof, and can be used as a catalyst support in various forms.Type: GrantFiled: July 30, 2014Date of Patent: September 20, 2016Assignee: Korea Institute of Energy ResearchInventors: Kwang Bok Yi, Soon Jin Kwon, Nu Ri Jeon, Hyun-Seog Roh, Wang Lai Yoon, Kee Young Koo, Un-Ho Jung, Woohyun Kim
-
Patent number: 9409155Abstract: Provided are a metal structure catalyst and a method of preparing the same. Particularly, the method includes forming a metal precipitate on a metal support by contact of a mixed solution including a precursor of a metal catalyst and a precipitating agent with the metal support, and forming metal particles by thermally treating and reducing the metal precipitate formed on the metal support. The metal structure catalyst includes a metal support, a metal oxide layer formed on the metal support, and metal nanoparticles formed on the metal oxide layer. In addition, the metal nanoparticles are uniform and have enhanced binding strength.Type: GrantFiled: July 25, 2012Date of Patent: August 9, 2016Assignee: Korea Institute of Energy ResearchInventors: Kee Young Koo, Wang Lai Yoon, Un Ho Jung, Sang Ho Park, Young Jae Hwang
-
Patent number: 9389027Abstract: The present invention relates to a plate-type heat exchange reactor and a method of manufacturing thereof, and there is provided a method of manufacturing a plate-type heat exchange reactor and a plate-type heat exchange reactor manufactured in the manufacturing method, the method including the steps of preparing side surface plates respectively provided with a plurality of slits formed in parallel along a longitudinal direction; arranging two side surface plates in a vertical direction to face each other with a space therebetween; forming a plurality of fluid passage channels by inserting a plurality of fluid passage partition walls into the slits provided on the two side surface plates in parallel in a horizontal direction; and bonding the side surface plates and the fluid passage partition walls.Type: GrantFiled: June 25, 2014Date of Patent: July 12, 2016Assignee: Korea Institute of Energy ResearchInventors: Dong Joo Seo, Wang Lai Yoon, Un-Ho Jung, Kee Young Koo, Sang-Ho Park, Young Jae Hwang, Woohyun Kim
-
Publication number: 20160144467Abstract: Disclosed are a heat exchange reactor and a method of manufacturing the same, and a method of manufacturing a heat exchange reactor includes: preparing lateral plates provided with a plurality of slits formed in parallel in a longitudinal direction; disposing two lateral plates to be spaced apart from each other while facing each other in a vertical direction; forming a plurality of flow path channels by inserting flow path partition plates into one or more slits of the two lateral plates in a horizontal direction; forming a plurality of flow path channels by inserting printed circuit heat exchange plates, which autonomously include one or more heat exchange flow paths therein, into one or more slits of the two lateral plates in a horizontal direction; and bonding the lateral plates, the flow path partition plates, and the printed circuit heat exchange plates.Type: ApplicationFiled: December 12, 2014Publication date: May 26, 2016Inventors: Dong Joo SEO, Wang Lai YOON, Woohyun KIM, Un Ho JUNG, Kee Young KOO, Sang Ho PARK, Young Jae HWANG
-
Publication number: 20150159962Abstract: The present invention relates to a plate-type heat exchange reactor and a method of manufacturing thereof, and there is provided a method of manufacturing a plate-type heat exchange reactor and a plate-type heat exchange reactor manufactured in the manufacturing method, the method including the steps of preparing side surface plates respectively provided with a plurality of slits formed in parallel along a longitudinal direction; arranging two side surface plates in a vertical direction to face each other with a space therebetween; forming a plurality of fluid passage channels by inserting a plurality of fluid passage partition walls into the slits provided on the two side surface plates in parallel in a horizontal direction; and bonding the side surface plates and the fluid passage partition walls.Type: ApplicationFiled: June 25, 2014Publication date: June 11, 2015Inventors: Dong Joo SEO, Wang Lai Yoon, Un-Ho Jung, Kee Young Koo, Sang-Ho Park, Young Jae Hwang, Woohyun Kim
-
Publication number: 20150051069Abstract: Disclosed is a metal complex including: a tin oxide; titanium oxide nanorods in a rutile phase formed on the tin oxide; and titanium oxide nanoparticles in an anatase phase formed on the titanium oxide nanorods in a rutile phase, and a preparation method thereof, and can be used as a catalyst support in various forms.Type: ApplicationFiled: July 30, 2014Publication date: February 19, 2015Inventors: Kwang Bok YI, Soon Jin Kwon, Nu Ri Jeon, Hyun-Seog Roh, Wang Lai Yoon, Kee Young Koo, Un-Ho Jung, Woohyun Kim
-
Publication number: 20130309165Abstract: Provided are a metal structure catalyst and a method of preparing the same. Particularly, the method includes forming a metal precipitate on a metal support by contact of a mixed solution including a precursor of a metal catalyst and a precipitating agent with the metal support, and forming metal particles by thermally treating and reducing the metal precipitate formed on the metal support. The metal structure catalyst includes a metal support, a metal oxide layer formed on the metal support, and metal nanoparticles formed on the metal oxide layer. In addition, the metal nanoparticles are uniform and have enhanced binding strength.Type: ApplicationFiled: July 25, 2012Publication date: November 21, 2013Inventors: Kee Young Koo, Wang Lai Yoon, Un Ho Jung, Sang Ho Park, Young Jae Hwang
-
Patent number: 8196388Abstract: The present invention relates to a heating device for exhaust gas in an internal-combustion engine, which is driven by using LPG, LNG, a volatile oil, a light oil, biodiesel or oxygenated hydrocarbon being DME, the device consisting of a catalyst reactor reformer, an exhaust gas suction section and the second fuel supply device. The exhaust gas suction section is mounted for using oxygen included in the exhaust gas. When the heating device is driven, air and fuels are supplied to the catalyst reactor and the second fuel supply device via a single tube when the heating device is heated. The present invention provides with a heating device for exhaust gas capable of securing the durability of a heating device for exhaust gas and minimizing the amount of air supplied from the outside to the combustion reforming device by excluding carbon depositions in a tube due to a prolysis of LPG, LNG, a volatile oil, a light oil, biodiesel or oxygenated hydrocarbon being DME, and a method for driving the device.Type: GrantFiled: September 29, 2006Date of Patent: June 12, 2012Assignee: Korea Institute of Energy ResearchInventors: Jong-Soo Park, Young-Jae Lee, Wang-Lai Yoon, Ho-Tae Lee, Dong-Joo Seo, Sung-Ho Cho, Shin-Kun Lee, Seung-Hoon Choi, Kyung-Seun Yoo
-
Publication number: 20120055784Abstract: Disclosed herein is a method of preparing a palladium alloy composite membrane for hydrogen separation, including (a) providing a first metal coating layer on a porous support using an electroplating process; (b) providing a palladium coating layer on the first metal coating layer using a dry plating process; and (c) heat treating the palladium coating layer to form an alloy layer of palladium and the first metal.Type: ApplicationFiled: December 3, 2010Publication date: March 8, 2012Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jong-Soo Park, Wang-Lai Yoon, Ho-Tae Lee, Heon Jung, Dong-Won Kim
-
Patent number: 7927750Abstract: A heater has microchannels for uniform heating, and includes an upper plate having an inlet of material to be heated, a fuel inlet and an oxidant inlet. A lower plate has a heated material outlet and an exhaust gas outlet. A plurality of combustion thin plates and a plurality of heat transfer thin plates are alternately layered between the upper and lower plates. Each of the combustion thin plates and the heat transfer thin plates has an inlet hole of material to be heated, a heated material outlet hole, an oxidant hole, an exhaust gas hole, a fuel hole, and microchannels formed at respective corresponding positions. The upper plate is aligned with the combustion thin plate contacting the lower surface thereof, and the lower plate is aligned with the heat transfer thin plate contacting the upper surface thereof.Type: GrantFiled: October 11, 2005Date of Patent: April 19, 2011Assignee: Korea Institute of Energy ResearchInventors: Jong-Soo Park, Wang-Lai Yoon, Ho-Tae Lee, Heon Jung, Sung-Ho Cho, Shin-Kun Lee, Kun-Hoo Lee, Seung-Hoon Choi