Abstract: Disclosed is a battery pack, which includes a plurality of cell assemblies respectively having a cell housing for accommodating battery cells and arranged in a front and rear direction; a first metal plate mounted at a top portion of the cell housing and integrally contacting upper electrode terminals of the battery cells; and a second metal plate mounted at a bottom portion of the cell housing and integrally contacting lower electrode terminals of the battery cells. The cell housing includes a side portion that has a slit forming a gap into which a part of the first metal plate and a part of the second metal plate are bent and inserted in an upper and lower direction and a perforated hole formed in a direction intersecting the slit. The bent part of the first metal plate mounted to any one cell housing is overlapped with the bent part of the second metal plate mounted to another the cell housing adjacent thereto inside the perforated hole.

Abstract: A battery module includes a battery cell assembly including a plurality of battery cells; a module housing having an inner space having the battery cell assembly accommodated therein; at least one bus bar assembly on at least a part of an outer surface of the module housing and electrically connected to the plurality of battery cells of the battery cell assembly; an interconnection board connected to the at least one bus bar assembly and configured to sense voltages of the plurality of battery cells of the battery cell assembly; and at least one thermistor on the interconnection board and disposed in the module housing to measure the temperature of at least one battery cell among the plurality of battery cells.

Abstract: A battery module includes a plurality of battery cells; a module housing accommodating the plurality of battery cells, the module housing including a first frame configured to cover a lower part of the battery cells and a second frame configured to cover an upper part of the battery cells; and a potting glue in at least a part of an internal area of the first frame.

Abstract: The present invention discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

Abstract: A battery module includes a plurality of battery cells; an upper case comprising a plurality of first side plates to surround a first space and an upper plate connected to upper ends of the first side plates, the upper case being configured to receive upper parts of the battery cells in the first space; and a lower case comprising a plurality of second side plates to surround a second space and a lower plate connected to lower ends of the second side plates, the lower case being configured to receive lower parts of the battery cells in the lower space. The upper plate has a plurality of through-holes.

Abstract: A battery pack includes a plurality of battery cells; a pack housing configured to accommodate the plurality of battery cells; and a bus bar having a terminal fastening unit coupled to an electrode terminal of each of the plurality of battery cells and disposed at least one side of the pack housing. The terminal fastening unit has a shape bent toward the electrode terminal from a circumference of a bus bar hole disposed in the bus bar and includes at least one fastening leg coupled to the electrode terminal.

Abstract: A battery pack includes a pack case; and two cell module assemblies. Each of the two cell module assemblies having cylindrical battery cells and a cell frame accommodating the respective cylindrical battery cells, and being integrally accommodated in the pack case. The two cell module assemblies are configured such that the top caps of the cylindrical battery cells face each other with at least a predetermined minimum safety distance therebetween.

Abstract: Proposed is a connection tube support of a waste heat recovery boiler supporting a connection tube unit having a plurality of connection tubes that is disposed inside a waste heat recovery boiler and perform heat exchange between a fluid flowing inside and exhaust gas flowing outside, wherein the connection tube support includes a header storing fluid flowing through the connection tube unit and supporting one end of the connection tube unit by being connected to one end of the connection tube unit, and a tube sheet supporting a circumferential surface of each of the plurality of connection tubes, wherein the tube sheet has the plurality of connection tubes having been passed therethrough and is provided with a plurality of support holes respectively supporting circumferential surfaces of the plurality of connection tubes having been passed therethrough.

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a transmission line including a first transmission line and a second transmission line that extend in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator and the transmission line. Feeding signals of different phases are applied to the first transmission line and the second transmission line.

Abstract: A training method of a memory device adjusting an eye window of a data signal in response to a duty cycle adjuster (DCA) includes performing a first training operation that selects a first DCA code corresponding to a first internal clock signal having a phase difference of 180° relative to a reference internal clock signal, and performing a second training operation that selects a second DCA code and a third DCA code respectively corresponding to a second internal clock signal and a third internal clock signal having a phase difference of 90° and 270° relative to reference internal clock signal. In the first training operation, the eye window size of the data signal is measured in units of two unit intervals, and in the second training operation, the eye window size of the data signal is measured in units of one unit interval.

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

Abstract: A battery pack has reduced manufacturing cost, improved heat dissipation efficiency, and enhanced product stability. The battery pack includes a cover structure including a first cover frame having a plate shape with both front and rear ends bent leftward to form an inner space and a second cover frame having a portion coupled to the first cover frame and having a plate shape with both front and rear ends bent rightward to form an inner space; a first battery module having a plurality of battery cells; and a second battery module having a plurality of battery cells.

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

Abstract: A cell module assembly according to the present disclosure includes a plurality of cylindrical battery cells, a cell frame, and a cell spacer. Each of the cylindrical battery cells includes a battery can and a top cap coupled to a top portion of the battery can. The cell frame has an accommodation portion and an open portion on one side, where the plurality of cylindrical battery cells are received upright in the accommodation portion. The cell spacer surrounds all or part of a bottom circumference of the battery can and is also coupled to the open portion of the cell frame.

Abstract: A cell module assembly according to the present disclosure includes a plurality of battery cells; a cell frame accommodating the plurality of battery cells; busbar plates disposed on one outer surface of the cell frame to electrically connect the plurality of battery cells; and a sensing unit disposed on the other outer surface of the cell frame and electrically connected to the busbar plates by wire bonding.

Abstract: A battery pack includes a lower case defining a first space having a predetermined size; an upper case at an upper part of the lower case to be fastened to the lower case, the upper case defining a second space; at least one module frame in the first space of the lower case and the second space of the upper case, the module frame defining a battery cell receiving recess; and a battery cell in the battery cell receiving recess. An impact attenuation member configured to protect the module frame from external impact is disposed between an outer surface of the module frame and an inner surface of the lower case.

Abstract: A battery module includes a plurality of battery cells, a cell frame configured to receive the plurality of battery cells, a busbar configured to connect the plurality of battery cells to each other in series and/or in parallel, and a bonding wire configured to electrically connect the battery cells to the busbar. The busbar includes one or more first busbars located at an upper part of the cell frame and two second busbars located at opposite side surfaces of the cell frame. The cell frame and the busbar are integrally formed by insert injection molding.

Abstract: A battery pack includes a plurality of battery modules disposed in a front and rear direction. Each of the battery modules includes a plurality of battery cells; a module housing; and a connection plate including a contact portion at an upper or lower portion of the plurality of battery cells and having a plurality of connection terminals in a portion thereof and respectively electrically contacted and connected to the electrode terminals at the plurality of battery cells, and a connection portion bent at least once from one end of the contact portion to extend in at least one direction among an upper direction, a lower direction, a front direction and a rear direction so that the bent and extending region of the connection portion is on a left or right outer wall of the module housing to contact a part of a connection plate of another battery module.