Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Korea Advanced Institute of Science and Technology

Kookmin University

Grz Technologies Sa

Kyung Moon Lee

Hoon Mo Park

Dong Hoon Nam

Young Jin Cho

Byeong Soo Shin

Ji Hye Park

Byung Ho Min

Hoo Dam Lee

Won Jung Kim

Yong Doo Son

Suk Hoon Hong

Jun Ho Jang

Jong Kook Lee

Hee Joon Lee

Eun Seon Cho

Jun Seok Seo

Noris Gallandat

Ji Hoon Lee

Claudio Ruch

Yun Su Lee

Seon Jeong Huh

Hyung Wan Do

Hoonmo Park

Byeongsoo Shin

Young-Jin Cho

Krzysztof Romanowicz

Yong Ha Park

Seung Hyeon Choi

Joong Myeon Bae

Gwang Woo Han

Ji Woo Oh

A fuel storage system and a method for detecting a remaining amount of fuel are provided. The fuel storage system may include a storage vessel which accommodates fuel including a solid material and gaseous hydrogen, one or more sensors that measure a first temperature in the storage vessel and a first internal pressure of the storage vessel, a controller that predicts a first remaining amount of the fuel based on the first temperature and the first internal pressure and based on a relationship among different values of temperature, different values of equilibrium pressure, and different values of remaining amounts of the fuel as measured by the one or more sensors at different times, and a display that displays the predicted first remaining amount of the fuel.

Fuel storage system and method for detecting residual quantity of fuel

A hydrogen storage system is disclosed and includes a storage unit including a plurality of unit storage containers, in which metal hydride materials are respectively provided in an interior thereof and which are connected to each other in parallel, and a thermal fluid line defining a thermal fluid passage, which passes via the plurality of unit storage containers continuously and through which a thermal fluid flows for heating or cooling the unit storage containers, thereby enhancing a storage performance and an efficiency of the hydrogen.

Hydrogen storage system

A hydrogen compression system includes: a heat pump part including a heat pump line configured to allow a refrigerant to circulate therethrough, a hydrogen compression part configured to compress hydrogen by being repeatedly heated and cooled, a first circulation line connected to the heat pump line while passing through the hydrogen compression part and configured to allow the refrigerant introduced from the heat pump line to circulate therethrough, a second circulation line provided to pass through the hydrogen compression part and configured to allow a cooling fluid to circulate therethrough, and a cooling unit provided in the second circulation line and configured to cool the cooling fluid, in which the hydrogen compression part is heated by the refrigerant or cooled by the cooling fluid, thereby minimizing electric power consumption and improving energy efficiency.

Hydrogen compression system

A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.

Hydrogen storage device

A hydrogen storage composite material includes: a graphene oxide framework provided as a porous structure and having an average pore diameter of 1 to 2 nm; and the graphene oxide framework is impregnated with a metal hydride, the graphene oxide framework comprises: a graphene oxide; and a linker connecting the graphene oxide.

Hydrogen storage composite material and manufacturing method thereof

A method for preparing hydrogen gas includes a decomposition step, a first adsorption step, a second adsorption step, a first regeneration step, a third heat-exchange step, and a second regeneration step.

Method for preparing hydrogen gas

An apparatus for assembling a solid hydrogen storage system includes a lower support installed to support a lower side of material blocks to be assembled, split covers assembled in multiple stages on an upper side of the lower support and forming therein a closed space in which the material blocks are capable of being assembled, the split covers being configured to be separated in a horizontal direction, and gas injection ports provided in the split covers to inject an inert gas into an inner space of the split covers.

Apparatus and method for assembling solid hydrogen storage system

Disclosed is a solid state hydrogen storage device, capable of providing a weight reduction of a hydrogen storage system while inhibiting heat conduction performance from being degraded, and also of increasing hydrogen storage capacity. The present disclosure provides a heat conduction fin including multiple tube passing holes through which the heat exchange tube passes and linear-shaped connecting portions connecting the tube passing holes to each other, and a solid state hydrogen storage device having the same.

Heat conduction fin and solid state hydrogen storage device having same

A system for generating hydrogen includes an ammonia decomposition bed configured to introduce an ammonia gas, decompose the ammonia gas into a high-pressure first mixed gas including nitrogen and hydrogen, and discharge the high-pressure first mixed gas; an ammonia adsorption bed supplied with the high-pressure first mixed gas from the ammonia decomposition bed, and configured to adsorb ammonia of the first mixed gas, and discharge a high-pressure second mixed gas including nitrogen and hydrogen; and a nitrogen adsorption bed directly supplied with the high-pressure second mixed gas from the ammonia adsorption bed, and configured to adsorb the nitrogen, and discharge the hydrogen.

System and method for generating hydrogen through ammonia adsorption

A solid hydrogen storage device provides an improved heat-transfer efficiency by improving the contact properties between heat-exchange tubes and heat-transfer fins. The solid hydrogen storage device includes a heat-transfer fin including a plurality of tube through holes, a heating tube, and a cooling tube. The heating tube and the cooling tube respectively extend through the tube through holes, and the heating tube and the cooling tube have different coefficients of thermal expansion.

Solid hydrogen storage device

A system for supplying hydrogen using waste heat of a fuel cell includes: a fuel cell to produce electric power using hydrogen; an internal cooling line in which a cooling medium flows and configured to pass through the fuel cell while cooling the fuel cell with the cooling medium; a solid hydrogen storage provided on a downstream side of the fuel cell on the internal cooling line and configured to discharge the hydrogen through absorption of waste heat of the heated cooling medium and to supply the discharged hydrogen to the fuel cell; and a hydrogen supply line to connect the solid hydrogen storage and the fuel cell and to supply the discharged hydrogen. In particular, the internal cooling line is reconnected to the fuel cell after passing through the solid hydrogen storage and provides the cooled cooling medium to the fuel cell.

System for supplying hydrogen using waste heat of fuel cell and method for controlling the same

Disclosed is a hydrogen storing method having improved energy efficiency by efficiently reusing heat through a heat circulation structure. Specifically, the hydrogen storing method includes supplying hydrogen by the supply device, compressing hydrogen received from the supply device by a compression device, receiving the hydrogen compressed by the compression device and storing the same in a storage device, and transferring heat generated from the storage device to the compression device, wherein the compression device and the storage device each include solid state hydrogen storage materials that cause an exothermic reaction when hydrogen is stored and an endothermic reaction when hydrogen is released.

Heat circulation hydrogen storing method using solid state hydrogen storage material

A dehydrogenation chemical reactor includes: a housing; a catalyst part made of a thermally conductive material and disposed in the housing, where the catalyst part has a panel shape, and a catalyst is coated on a surface of the catalyst part to separate hydrogen from an organic hydrogen carrier; a heat transfer pipe which is installed to contact the catalyst part, and conducts latent heat to the catalyst part while pressurized and saturated fluid is supplied therein; and an organic hydrogen carrier line which is connected to the housing to form a passage in which the organic hydrogen carrier is introduced into the housing, contacts the catalyst part to separate hydrogen, and then is discharged.

Dehydrogenation chemical reactor

Disclosed is a high-elasticity aluminum alloy which contains carbide to improve elongation. Further, a method of manufacturing the high-elasticity aluminum alloy is provided. The method includes steps of: charging pure aluminum and an Al-5B master alloy in a melting furnace to form a first molten metal; charging an Al-10Ti master alloy in the first molten metal to form a second molten metal; charging silicon (Si) element in the second molten metal to form a third molten metal; adding carbon (C) to the third molten metal to form a fourth molten metal; and tapping the fourth molten metal into a mold to cast the fourth molten metal.

High-elasticity aluminum alloy and method of manufacturing the same

An aluminum alloy for a cylinder head in a vehicle engine includes 2 to 3% of Si, 2.5 to 3% of Cu, 0.01% or less (excluding 0%) of Zn, 0.15% or less (excluding 0%) of Fe, 0.02% or less (excluding 0%) of Mn, 0.1 to 0.3% of Mg, 0.01% or less (excluding 0%) of Ni, 0.02% or less (excluding 0%) of Ti, 0.1% or less (excluding 0%) of Zr, the balance of Al, and inevitable impurities, wherein an AlCuMgSi-based crystal is formed in an amount ranging from 0.3 to 0.9% and an AlCu-based precipitate is formed in an amount ranging from 3.3 to 4.0%, wherein percentage (%) is based on weight.

Growing community of inventors

Uiwang-si, South Korea

Kyung Moon Lee