Hyundai Motor Company

Kia Corporation

Kia Motors Corporation

Samsung Display Co., Ltd.

Electronics and Telecommunications Research Institute

University-Industry Cooperation Group of Kyung Hee University

Snu Rdb Foundation

Grz Technologies Sa

Ji Hye Park

Hoon Mo Park

Kyung Moon Lee

Dong Hoon Nam

Young Jin Cho

Jae Hwan Oh

In Jun Bae

Byeong Soo Shin

Ji Sung Lee

Won Jung Kim

Jun Seok Seo

Yong Doo Son

Dae Nyung Lee

Suk Hoon Hong

Hyo Jin Kim

Dong Seung Kwon

Sung Kyung Kim

Jee Hyeon Na

Jung Mo Moon

Kyung Sook Kim

Een Kee Hong

Hwang Sup Shin

Noris Gallandat

Ji Hoon Lee

Yun Su Lee

Woo Ri Seo

Claudio Ruch

A Eun Yoon

Seung Hyeon Choi

Mi Sook Chang

Joo Sun Bang

Krzysztof Romanowicz

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

The present disclosure relates to a nozzle heating device including a heating cover configured to cover a periphery of a nozzle configured to supply a charging fluid, and an induction heating unit disposed in the heating cover and configured to heat the nozzle by induction heating, thereby effectively inhibiting freezing of the nozzle.

Nozzle heating device and fluid charging 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 device for controlling refueling of hydrogen includes one or more hydrogen refueling facilities for refueling a hydrogen-powered vehicle with hydrogen, and a controller that collects state information and control data of the hydrogen refueling facilities, performs artificial intelligence learning based on the state information and the control data, and controls operations of the hydrogen refueling facilities based on the learning result.

Device and method for controlling refueling of hydrogen

A hydrogen compression system includes an inner container made of a non-magnetic element and having a hydrogen inlet/outlet portion through which hydrogen flows in or out of the inner container, a metal hydride material accommodated in the inner container, an outer container configured to surround the inner container and having an inlet/outlet port through which hydrogen flows in or out of the outer container, and an induction heating unit disposed between the inner container and the outer container and configured to heat the metal hydride material by induction heating, thereby obtaining an advantageous effect of simplifying a structure and process for heating the metal hydride material and quickly heating the metal hydride material to an accurate temperature.

A storage system for storing solid hydrogen includes: a plurality of storages including two or more types of solid hydrogen storage materials having different magnetic intensities; a storage container configured to accommodate the storages; and a coil disposed inside the storage container and configured to apply a variable magnetic field to the storages accommodated in the storage container.

Solid hydrogen storage system

A solid state hydrogen storage system may include a storage container, a plurality of microcapsules received in the storage container, each of the microcapsules being formed by coating the surface of a solid state hydrogen storage material with a ferromagnetic material, and a coil configured to apply a variable magnetic field to the microcapsules received in the storage container.

Solid state 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 storing solid state hydrogen includes: a solid state hydrogen storage pellet including a magnetic material and storing solid state hydrogen therein; an inner container surrounding the solid state hydrogen storage pellet; and a coil surrounding the inner container, wherein when current is supplied to the coil, the current reacts with the magnetic material included in the solid state hydrogen storage pellet to form an induction magnetic field, thereby heating the solid state hydrogen storage pellet.

System for storing solid state hydrogen

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

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 method of manufacturing a flexible display device includes forming a base substrate on a first sacrificial layer formed on a first supporting substrate, forming a display device array on the base substrate, forming a second sacrificial layer on a second supporting substrate, forming a touch array on the second sacrificial layer, adhering the first supporting substrate onto the second supporting substrate using an adhesive, irradiating laser energy onto the first sacrificial layer to remove the first sacrificial layer and separate the first supporting substrate from the base substrate, and irradiating laser energy onto the second sacrificial layer to separate interfaces of the second supporting substrate and the second sacrificial layer from each other, such that the second sacrificial layer is fixed on the touch array. The second sacrificial layer includes at least one of oxidized molybdenum, lead zirconate titanate, gallium nitride, and an amorphous silicon based inorganic material.

Flexible display device including a sacrificial layer

A method of manufacturing a flexible display device includes forming a base substrate on a first sacrificial layer formed on a first supporting substrate, forming a display device array on the base substrate, forming a second sacrificial layer on a second supporting substrate, forming a touch array on the second sacrificial layer, adhering the first supporting substrate onto the second supporting substrate using an adhesive, irradiating laser energy onto the first sacrificial layer to remove the first sacrificial layer and separate the first supporting substrate from the base substrate, and irradiating laser energy onto the second sacrificial layer to separate interfaces of the second supporting substrate and the second sacrificial layer from each other, such that the second sacrificial layer is fixed on the touch array, The second sacrificial layer includes at least one of oxidized molybdenum, lead zirconate titanate, gallium nitride, and an amorphous silicon based inorganic material.

Flexible display device and method of manufacturing the same

A method for differentiation of neural stem cells, neurons and GABAergic neurons from mesenchymal stem cells includes culturing the mesenchymal stem cells in a medium containing SB431542, Noggin and LDN193189. By this method, the mesenchymal stem cells are differentiated into neural stem cells, neurons and GABAergic neurons at a high transformation rate without gene manipulation.

Growing community of inventors

Seoul, South Korea

Ji Hye Park