Abstract: A battery module including a plurality of battery cells aligned in one direction; and barriers interposed between respective battery cells, wherein the barrier has a shape that crosses at a central portion of the battery cell.

Abstract: A battery module including a plurality of adjoining of battery cells; heat conductive sheets between at least some adjacent battery cells, the heat conductive sheets being in thermal co-operation with the battery cells; a heat dispersion member coupled with the heat conductive sheets and in thermal co-operation therewith; and a heat dissipation member coupled with the heat dispersion member and in thermal co-operation therewith.

Abstract: A battery pack includes a plurality of battery cells including a plurality of terminals, and a cooling member including a plurality of contact portions contacting the terminals.

Abstract: A battery pack including a housing for accommodating a plurality of secondary batteries; a cooling unit for cooling the secondary batteries, the cooling unit including an inlet through which a cooling fluid flows in and an outlet through which the cooling fluid flows out; and a terminal unit detachably connectable to the cooling unit, the terminal unit including a first terminal for circulating the cooling fluid.

Abstract: A battery pack includes at least one battery module comprising a plurality of unit cells stacked together; and at least one thermoelectric module on the at least one battery module, wherein the thermoelectric module may include a Peltier device having an input terminal configured to receive a polarity-convertible current.

Abstract: A battery pack including a plurality of battery modules, each battery module including a plurality of stacked unit battery cells; a frame supporting the plurality of battery modules; and a plurality of elastic coupling members for elastically connecting at least one battery module to another battery module or for elastically connecting at least one of the battery modules to the frame; wherein elastic coupling members connected to one of the battery modules have a different elastic coefficient from elastic coupling members connected to the other battery module.

Abstract: A rechargeable battery having a current collector plates that a have a stable and reliable connection to an uncoated portion of one of the anode and the cathode of the electrode assembly. The rechargeable battery includes the electrode assembly, a case, a cap assembly, and the current collecting plates. The electrode assembly includes the anode, the cathode, and a separator arranged between the anode and the cathode. The case houses the electrode assembly. The cap assembly closes and seals the case and includes an electrode terminal. The current collecting plates connect the electrode assembly and the cap assembly and each include a plurality of current collecting protrusions that extend into the electrode assembly. The current collecting protrusions of one current collector plate are arranged among the current collecting protrusions of another current collecting plate, and the uncoated region of one of the anode and the cathode is arranged among these current collecting protrusions.

Abstract: A rechargeable battery according to the present invention includes an electrode assembly repeating charge and discharge with the movement of ions, a case containing the electrode assembly, and a supporting member surrounding the case and having a plurality of ribs on the outer surface thereof. Further, a battery module according to the present invention includes a plurality of rechargeable batteries, and a frame into which the rechargeable batteries are inserted. The rechargeable batteries include a case and a supporting member in contact with the case, and the supporting member includes a body surrounding the rechargeable battery and a rib protruding outwardly from the body.

Abstract: A rechargeable battery having a current collector plates that a have a stable and reliable connection to an uncoated portion of one of the anode and the cathode of the electrode assembly. The rechargeable battery includes the electrode assembly, a case, a cap assembly, and the current collecting plates. The electrode assembly includes the anode, the cathode, and a separator arranged between the anode and the cathode. The case houses the electrode assembly. The cap assembly closes and seals the case and includes an electrode terminal. The current collecting plates connect the electrode assembly and the cap assembly and each include a plurality of current collecting protrusions that extend into the electrode assembly. The current collecting protrusions of one current collector plate are arranged among the current collecting protrusions of another current collecting plate, and the uncoated region of one of the anode and the cathode is arranged among these current collecting protrusions.

Abstract: A rechargeable battery includes an electrode assembly, a case, a cap assembly, and a current collecting plate. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case houses the electrode assembly and has an opening and has a closed end. The cap assembly is coupled to the opening of the case, and is electrically connected to the electrode assembly. The current collecting plate is electrically connected to the anode or the cathode, and has a guide portion. The guide portion bends toward the electrode assembly to be in contact with the electrode assembly.

Abstract: There is a provided a secondary battery capable of preventing unloading and rotating caused by possible vibration or shock by increasing a coupling force among the vent plate, the insulator, and the cap-down that compose the cap assembly of the secondary battery. To increase the coupling force among the vent plate, the insulator, and the cap-down, protrusions and corresponding grooves or holes, and grooves with step areas may be formed. Alternatively, a plurality of insulators may be formed in a divided form. A secondary battery with a reliable cap assembly can be implemented through such a structural change.

Abstract: A secondary battery including: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator located between the two plates; a lower collector plate located beneath the electrode assembly, and electrically connected to the positive electrode plate or the negative electrode plate; a fixing member disposed around the periphery of the lower collector plate; a can to accommodate the electrode assembly, the lower collector plate and the gasket; and a cap assembly to seal the can. The fixing member is located between and in contact with the can and the electrode assembly. The secondary battery can included an upper insulating plate disposed on the electrode assembly, located between and in contact with the electrode assembly and a beading part of the can.

Abstract: A battery module that includes a plurality of unit batteries, a frame, and supporters. The frame includes holes for receiving and supporting the unit batteries. Each of the supporters is formed in a form of a protrusion and is disposed between the holes and the unit batteries for supporting the unit batteries.

Abstract: A center pin of a cylindrical secondary battery and a cylindrical secondary battery including the same are provided. The cylindrical secondary battery includes: an electrode assembly including a positive electrode plate, a negative electrode plate and a separator disposed between the two plates; a cylindrical center pin disposed at a center of the electrode assembly and having a polygonal hole formed in a longitudinal direction at a center of the center pin; a can containing the electrode assembly and the center pin; and a cap assembly sealing the can, wherein each corner of the polygonal hole of the center pin has a curvature. Providing a curvature in each corner of the cylindrical center pin reinforces the strength of the center pin and minimizes the deformation of the electrode assembly during charge/discharge operation.

Abstract: A battery module ensuring task safety during assembly or repair of the battery module by blocking current. The battery module includes: i) at least one first battery, each first battery having an end portion connected to an anode terminal and at least one second battery, each second battery having an end portion connected to a cathode terminal wherein the anode terminals and the cathode terminals are made of elastic materials; ii) at least one connection member for electrically connecting adjacent anode and cathode terminals; iii) a first pack case having battery-containing portions in which the batteries are contained and connection member mounting portions on which the connection members are mounted; and iv) a second pack case which is coupled with the first pack case. The anode and cathode terminals are pressed by the second pack case so as to be in contact with the respective connection members.

Abstract: A battery module having improved interconnection members to connect rechargeable batteries together and to minimize an increase in a volume of the battery module includes: first and second rechargeable batteries, each having an electrode assembly including a first electrode, a second electrode, and a separator interposed therebetween, and a casing to contain the electrode assembly; a first interconnection member arranged on an upper side surface of the casing of the first rechargeable battery and electrically connected to the first electrode of the first rechargeable battery; and a second interconnection member arranged on a lower side surface of the casing of the second rechargeable battery and electrically connected to the second electrode of the second rechargeable battery, the second interconnection member being connected to the first interconnection member.