Abstract: A rechargeable battery module includes a plurality of unit batteries disposed apart at predetermined intervals and barriers interposed therebetween. The barriers include a plurality of protrusions and a plurality of plates with at least one junction portion. The junction portion on one plate is fixed to another plate opposing the one plate.

Abstract: A secondary battery module includes a unit battery pack having a plurality of unit batteries arranged at predetermined intervals, and a housing having the unit battery pack disposed in the housing. A heat transfer medium for controlling temperature of the plurality of unit batteries circulates in the housing. A first dispersion plate is fixedly disposed in the housing so as to be adjacent to the unit battery pack, and distributes the heat transfer medium between the plurality of unit batteries. A second dispersion plate is slidably disposed on the first dispersion plate, and distributes the heat transfer medium between the plurality of unit batteries.

Abstract: A secondary battery module includes unit batteries arranged adjacent to each other in a battery group, the battery group having outermost surfaces. A first end-plate is disposed on one of the outermost surfaces, and a second end-plate disposed on another of the outermost surfaces. A connection rod is fixed to the first end-plate and the second end-plate through fastening members. A thickness of the first end-plate is smaller than a thickness of the first fastening member.

Abstract: A battery module includes a plurality of unit batteries, each unit battery having a terminal having a terminal contact portion. A electrically conductive adaptor connects the terminals of adjacent unit batteries, the electrically conductive adaptor having an adaptor contact surface. The terminal contact portion has a contact portion contact surface coupled to the adaptor contact surface. The contact portion contact surface and the adaptor contact surface are parallel to a longitudinal axis of the terminal.

Abstract: A cap assembly and a secondary battery having the same, the cap assembly including: a safety vent having a protrusion that extends at a predetermined angle of inclination; a cap down having a hole through which the protrusion extends; an insulating plate positioned between the cap down and the safety vent; a sub plate disposed between the cap down and the safety vent, and connected to the protrusion; and a cap up electrically disposed upon the safety vent.

Abstract: A battery module includes a plurality of unit batteries disposed apart at intervals and a plurality of barriers interposed between the unit batteries. Each of the barriers includes a base supported on the unit battery and a plurality of protrusions extending from the base and contacting the unit battery. The protrusions are formed of an insulation material. In addition, the protrusions may be fixed onto the base in a staggered arrangement along columns and rows so that a certain angular arrangement between the alignment of protrusions is achieved, thereby maximizing cooling efficiency.

Abstract: Disclosed is a rechargeable battery that can improve sealing performance of a gasket and prevent a cap assembly from rotating with respect to a case. The rechargeable battery includes an electrode assembly that includes an anode, a cathode, and a separator interposed between the anode and the cathode, a case that accommodates the electrode assembly, a cap assembly that is coupled with the case to close and seal the case and that has an electrode terminal, and a gasket that is provided between the cap assembly and the case. A protrusion is formed at a surface of the gasket. A ratio of a height of the protrusion to a half-width of the protrusion is about 0.5 to 0.8.

Abstract: A cap assembly and a secondary battery having the same which can prevent current from flowing out of the battery by preventing contact of a broken vent member with a cap. The vent member is broken due to an internal pressure of the secondary battery greater than a predetermined level. The cap assembly includes a vent member having a plurality of notches formed in a radial direction from the center of the vent member and a plurality of reinforcement parts formed between the notches. The cap assembly may include a vent member having a plurality of notches formed between two adjacent notches so that the vent member folds when the internal pressure of the secondary battery is too great.

Abstract: A battery module includes a plurality of unit batteries, each unit battery having a terminal having a terminal contact portion. A electrically conductive adaptor connects the terminals of adjacent unit batteries, the electrically conductive adaptor having an adaptor contact surface. The terminal contact portion has a contact portion contact surface coupled to the adaptor contact surface. The contact portion contact surface and the adaptor contact surface are parallel to a longitudinal axis of the terminal.

Abstract: A battery module is constructed with a plurality of unit batteries, and barrier ribs including bands mounted on each of the unit batteries and forming gaps to enable a heat conductive medium to circulate the unit batteries.

Abstract: A battery module includes a plurality of unit batteries and barriers which are interposed between the unit batteries. The barriers have front surfaces which contact the unit batteries and which are curved to bend elastically. The barriers have side surfaces which interconnect the front surfaces, and which have pathways through which a heat transfer medium flows. Connecting rods and nuts interconnect end plates of the battery module so as to press the unit batteries and the barriers together.

Abstract: The present invention provides a battery module including a plurality of a unit cell having a terminal and a connection member, whose both ends are respectively fastened to the terminals of at least a pair of adjacent unit cells and has a joint in the middle. The connection member is improved to easily correspond to distance discrepancies between unit cells having a terminal, as both ends of the two rods can swing centering the joint.

Abstract: The cell barrier for a rechargeable battery module of the present invention includes a metal body and an insulating layer disposed on the surface of the metal body. The cell barrier is interposed between unit cells to electrically insulate between the unit cells. The insulating layer is selected from the group consisting of a resin layer, an inorganic oxide layer, an anodized layer, and a composite layer thereof. The cell barrier also has channels to provide for additional cooling by a heat transfer medium. A single unit cell can also be used with a cell barrier disposed along the unit cell for insulation and cooling.

Abstract: A battery module, including at least one unit battery having an electrode group and a battery casing, and at least one partitioning wall coupled to the at least one unit battery, wherein the at least one partitioning wall has a smaller size as compared to the at least one unit battery. The battery module may further include a plurality of alternating unit batteries and partitioning walls having at least one fixing member coupled to each unit battery.

Abstract: A battery module, including a plurality of unit cells and a cell barrier interposed between the unit cells, is provided. The cell barrier includes a body member and a fixing part disposed on the edge of the body member and connected to an adjacent cell barrier while housing a unit cell.

Abstract: A battery module including a plurality of unit batteries, a pair of end plates located at outermost sides of the plurality of unit batteries and connecting rods disposed at first and second edges of at least one of the end plates, the first and second edges being opposite edges, wherein the connecting rods fix the pair of end plates to the plurality of unit batteries, and the connecting rods are spaced apart at different intervals along the first and second edges of the at least one end plate.

Abstract: A battery module includes unit cells and a housing for accommodating the unit cells therein, the housing having paths for circulating a cooling medium. The housing includes: a unit cell receptor for receiving the unit cells, the unit cell receptor having an inner space with an inner spatial section area perpendicular to a longitudinal direction of the housing; and a cooling medium circulator having an inner space for circulating a cooling medium, the inner space being in communication with the inner space of the unit cell receptor and having an inner spatial section area perpendicular to the longitudinal direction of the housing. The inner spatial section area of the unit cell receptor is larger than the inner spatial section area of the circulator.

Abstract: A battery module includes one or more cell assemblies with a plurality of unit cells, and a housing for mounting the cell assemblies therein and circulating a temperature control cooling medium through the cell assemblies. The cell assemblies are arranged in the longitudinal direction of the housing. A guidance unit is installed in a cooling medium passage formed in the longitudinal direction of the housing, and proceeds along the passage to guide cooling medium flow along the passage toward the cell assemblies.

Abstract: The present invention relates to a battery module including an aggregation comprising unit cells and a housing for housing the aggregation and circulating a coolant therein. The housing includes an inlet part disposed on an upper side of the aggregation, through which the coolant can flow into and along the housing in a length direction, and an outlet part connected to the inlet part, through which the coolant can be released out of the housing after cooling the unit cells while passing the aggregation.

Abstract: A battery module including a plurality of unit batteries arranged in series, an end plate located at each end of the plurality of unit batteries, a plurality of connecting members connected to each end plate to fix the end plates to the unit batteries, and at least one reinforcing member on each end plate, the reinforcing member serving to enhance the resistance to bending of each end plate.