Abstract: 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.

Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.

Abstract: An automatic conveying and feeding facility for roll-type materials. The automatic conveying and feeding facility includes: a roll buffer, a transfer apparatus, and an overhead hoist transport. The roll buffer configured to receive a roll-type material loaded on a carriage in an X-axis direction and convey the received roll-type material on a YZ plane. The transfer apparatus configured to receive the roll-type material from the roll buffer in the X-axis direction, move to a set position on an XY plane in a state in which the roll-type material is loaded thereon, and convey the roll-type material upward in a Z-axis direction. The overhead hoist transport (OHT) configured to receive the roll-type material loaded on the transfer apparatus that has moved upward in the Z-axis direction and having at least one or more rail guided vehicles configured to move to a destination along a trajectory of a conveying rail.

Abstract: A method of mounting a bus-bar frame includes: forming a plurality of cell lead blocks and a battery cell stacked body by alternately stacking a cell lead block and at least one battery cell; disposing a top cover with respective ends on which a bus-bar frame is installed so as to cover the battery cell stacked body; removing the lead blocks from a space between the battery cell stacked body and the bus-bar frame; and installing the bus-bar frame on the battery cell stacked body by rotating the bus-bar frame. The alternately stacking of the cell lead block and the at least one battery cell includes positioning an electrode lead protruding from each battery cell between neighboring ones of the cell lead blocks.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A volumetric braking device includes: a brake disk having an outer surface where a plurality of disk vanes are formed with a predetermined spacing therebetween; a cylinder case where the brake disk is arranged, and the internal space of a cylinder is sectioned into a plurality of spaces by the disk vanes; a piston-drive unit, which has a piston roller sliding on the brake disk, and where the compressed pressure resistance generated between the piston roller and any one disk vane and vacuum pressure resistance generated between the piston roller and another disk vane operate as a braking load for the brake disk to perform decelerating and braking operations; a drive motor, which receives an electrical signal from an ECU by a program to operate in a forward or reverse direction; and a drive unit operating module for operating the piston-drive unit by operating the drive motor.