Hyundai Motor Company

Korea Institute of Science and Technology

Kia Corporation

Kia Motors Corporation

Postech Academy-industry Foundation

Heesung Catalysts Corporation

Korea Advanced Institute of Science and Technology

Korea Research Institute of Chemical Technology

Huyndai Motor Company

Grz Technologies Sa

Korean Institute of Science and Technology Information

Heesuna Catalysts Corporation

Pyung Soon Kim

Han Min Jung

Seung Woo Lee

Won Kyung Sung

Mi Kyung Lee

Dong Min Seo

Chang Hwan Kim

Jin Woo Choung

Jihui Seo

ChangHo Jung

Yongmin Kim

Hyangsoo Jeong

Dong In Park

Suk Woo Nam

Young Jin Kim

In-Sik Nam

Mi Kyoung Lee

Jaeyong Lee

Suk Bong Hong

Yongwoo Kim

Sun Hwa Hahn

Jaewon Kirk

Taekyung Ryu

Yu-Jin Lee

Chang Won Yoon

Hyuntae Sohn

Jae Han Kim

Donghui Jo

Gi Tae Park

Yoondo Kim

Ho Dong Kim

Mi Kyeong Lee

Young San Yoo

Jung Sun Yoon

Beom Jong You

In Su Kang

Seung Ho Oh

Seoung Woo Lee

Byong-Kwon Cho

Du Seok Jin

Ji Hoon Park

Hyunjoo Lee

Minkyu Kim

Chang Ho Jung

Seung Chul Na

Eunseok Kim

Soo Min Kim

Noris Gallandat

Ji-hoon Jang

Young Suk Jo

Chun Yong Kang

Jihye Park

Jeong Jae Lee

Beom-Sik Kim

Tai Sun

Hanjin Kim

Yong Sul Kim

Jeong Hwan Lee

Sungeun Moon

Changil Ahn

Konstantinos Bardis

Akhil Penmathsa

Ernst Adler

In-sik Nam

Rui Li

Junemin Bae

Daniel Brem

Bhargav Patel

In Sik Nam

Seung Chui Na

Mun Kyu Kim

Hojin Jeong

Mun-Kyu Kim

Kwanyong Jeong

Changho Jung

A dehydrogenation reaction device includes: an acid aqueous solution storage unit including a first aqueous acid solution; a water storage unit including water; and a dehydrogenation reaction unit including a chemical hydride. The dehydrogenation reaction unit receives a second aqueous acid solution in which the first aqueous acid solution and water are mixed, and further reacts the chemical hydride and the second aqueous acid solution to generate hydrogen.

Dehydrogenation reaction device and system having the same

A catalyst for a dehydrogenation reaction includes a carrier including AlOhaving a theta (θ) phase, an active metal supported on the carrier and including a noble metal, and an auxiliary metal supported on the carrier and different from the active metal.

Catalyst for a dehydrogenation reaction, a manufacturing method thereof, and a hydrogen production method using same

A hydrogen storage-compression system has a hydrogen storage-compression apparatus and a thermal management system. The apparatus includes a casing and a plurality of storage-compression units mounted within an internal chamber of the casing. Each storage-compression unit includes a container and a metal hydride for hydrogen storage-compression contained within the container. The storage-compression containers are interconnected by a hydrogen gas circuit flow system to a hydrogen inlet and outlet for connection to a hydrogen consumer and a hydrogen source. The thermal management system includes a thermal liquid circuit system and a heat exchanger system. The circuit system includes a closed loop thermal liquid flow circuit, a thermal liquid flowing within the flow circuit, and a pump for pumping the thermal liquid in the flow circuit. The flow circuit is connected to a liquid inlet and outlet of the casing for flowing thermal liquid through the internal chamber around the containers of the storage-compression units for cooling or heating thereof. The flow circuit is coupled to a first heat exchanger thermally coupled to heating source and to a second heat exchanger thermally coupled to a cooling source. The system includes a control system connected to the circuit system for controlling the flow of the thermal liquid in the circuit and through the heat exchangers.

Hydrogen storage and compression system

An operating method is disclosed for a dehydrogenation reaction system. The method includes providing a system having: an acid aqueous solution tank including an acid aqueous solution; a dehydrogenation reactor including a chemical hydride of a solid state and receiving an acid aqueous solution from the acid aqueous solution tank to react the chemical hydride with the acid aqueous solution to generate hydrogen; and a fuel cell stack receiving hydrogen generated from the dehydrogenation reactor to be reacted with oxygen to generate water and simultaneously to generate electrical energy. The method also includes recycling the water generated from the fuel cell stack to one or all of the acid aqueous solution tank, the dehydrogenation reactor, and a separate water tank. The acid is formic acid and, in in the dehydrogenation reactor, the temperature is in a range of 10° C. to 400° C. and the pressure is in a range of 1 bar to 100 bar.

Provided is a method for synthesizing bipyridine that includes performing a dimerization reaction of a reactant including a piperidine-based compound, a pyridine-based compound, or a mixture thereof in the presence of a catalyst in which an active metal is supported on a composite metal oxide support including silica (SiO) and alumina (AlO).

Method for preparing bipyridine

A dehydrogenation reaction apparatus includes a dehydrogenation reactor having a reaction vessel that stores a chemical hydride; and a methane generator that converts carbon monoxide generated in the dehydrogenation reactor into methane.

Dehydrogenation reaction apparatus

Disclosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.

High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same

A hydrogen generating method includes generating hydrogen by dehydrogenation-reacting a chemical hydride of a solid state with an acid aqueous solution. The dehydrogenation-reaction is performed by reacting 1 mol of hydrogen atoms of the chemical hydride with an acid and water at a molar ratio of 0.5 to 2.

Method for generating hydrogen

A hybrid dehydrogenation reaction system includes: an acid aqueous solution tank having an acid aqueous solution; an exothermic dehydrogenation reactor including a chemical hydride of a solid state and receiving the acid aqueous solution from the acid aqueous solution tank for an exothermic dehydrogenation reaction of the chemical hydride and the acid aqueous solution to generate hydrogen; an LOHC tank including a liquid organic hydrogen carrier (LOHC); and an endothermic dehydrogenation reactor receiving the liquid organic hydrogen carrier from the LOHC tank and generating hydrogen through an endothermic dehydrogenation reaction of the liquid organic hydrogen carrier by using heat generated from the exothermic dehydrogenation reactor.

Hybrid dehydrogenation reaction system

A catalyst for removing nitrogen oxides, and the catalyst for removing the nitrogen oxides includes a first catalyst having a component including Pt, Ba, and Ce supported on a first support, and a second catalyst physically mixed with the first catalyst and having a component including Cu and Ce supported on a second support.

Catalyst for removing nitrogen oxides

The present disclosures relate to a catalyst for removing a nitrogen oxide and a manufacturing method thereof, and the catalyst for removing the nitrogen oxide includes: a first catalyst that includes a zeolite support containing copper and having a first framework; and a second catalyst that is physically mixed with the first catalyst and includes a zeolite support containing copper and having a second framework different from the first framework.

Catalyst and manufacturing method thereof

A catalyst includes LTA zeolite including copper ions, wherein a Si/Al ratio of the LTA zeolite is 2 to 50. The catalyst is coated on a honeycomb carrier or a filter. The catalyst removes NOx from a reaction gas at 100&#xb0; C. or above. The catalyst has an NOx conversion rate of 80% at 450&#xb0; C. or above.

Catalyst and method for preparing catalyst

Provided herein is an exhaust system comprising a diesel particulate filter coated with a selective catalytic reduction (SDPF) wherein the SCR is coated with a Cu/LTA catalyst comprising a LTA zeolite that includes copper ions and the SCR is coated on a high pore diesel particulate matter filter, wherein a ratio of copper and aluminum is from about 0.14 to about 0.48, and wherein the Si/Al ratio of the LTA zeolite is from about 8 to about 100.

Cu/LTA catalyst and exhaust system, and manufacturing method of cu/LTA catalyst

Growing community of inventors

Suwon-si, South Korea

Pyung Soon Kim