Abstract:
Disclosed herein is a battery module including a plurality of battery cells mounted in a module case in a stacked state, wherein cooling members are mounted at interfaces between the battery cells, the module case is configured in a structure in which two opposite sides of the module case are open so that corresponding portions of the battery cell stack are exposed outward through the two open opposite sides of the module case, the cooling members are partially exposed outward through the two open opposite sides of the module case, and a coolant flows along the two open opposite sides of the module case while contacting the outwardly exposed portions of the cooling members.
Abstract:
Disclosed herein is a battery module assembly including a plurality of battery modules, each including a plurality of battery cells or unit modules mounted in a module case in a state in which the battery cells or the unit modules are connected in series to each other, wherein the battery modules are arranged adjacent to each other in the lateral direction in a state in which the battery modules are electrically connected to each other, and a cooling member including a coolant conduit to allow a liquid coolant to flow therealong is mounted at the outside of each of the battery modules.
Abstract:
Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells and two or more heat dissipation members, wherein the first heat dissipation member extends such that one side of the first heat dissipation member at least partially covers one outermost battery cell (a) of the battery module, and the other side of the first heat dissipation member is interposed between the inside battery cells, and the second heat dissipation member extends such that one side of the second heat dissipation member at least partially covers the outermost battery cell (a) while the second heat dissipation member is not overlapped with the first heat dissipation member, and the other side of the second heat dissipation member is interposed between the inside battery cells.
Abstract:
Disclosed herein is a battery module configured in a structure in which two or more battery cells, each of which has electrode terminals formed at one end or opposite ends thereof, are stacked in a state in which the battery cells are electrically connected to each other, wherein the electrode terminals of the battery cells are formed of plate-shaped conductive members, the electrode terminals of the battery cells are folded such that the electrode terminals are in tight contact with each other to form a bent connection part at an electrical connection region between the battery cells, and the bent connection part is surrounded by a voltage sensing member mounted to the bent connection part.
Abstract:
Disclosed herein is a high-power, large-capacity battery module including a plurality of battery cells or unit modules connected in series to each other such that the battery cells or the unit modules are stacked while being in tight contact with each other or being adjacent to each other, wherein the battery module is fixed such that the stacked state of the battery cells or the unit modules is maintained even when the volume of the battery cells or the unit modules changes at the time of charging and discharging the battery cells or the unit modules, and a portion of an electrode terminal connection region between the battery cells or between the unit modules is weak with respect to the volume expansion of the battery cells or the unit modules such that an expansion stress caused by the swelling of the battery cells is concentrated on the electrode terminal connection region, whereby the electrode terminal connection region is broken, and therefore, an electrical cut-off occurs at the electrode terminal connection region, when the swelling exceeds a predetermined value.
Abstract:
Disclosed herein is a battery module constructed in a structure in which a plurality of plate-shaped battery cells are sequentially stacked in a module case, wherein each of the plate-shaped battery cells includes an electrode assembly of a cathode/separator/anode structure mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer, a plurality of heat dissipation members are disposed at two or more interfaces between the battery cells, and a heat exchange member integrally interconnecting the heat dissipation members is mounted to one side of a stack of the battery cells, whereby heat generated from the battery cells during the charge and discharge of the battery cells is removed by the heat exchange member.
Abstract:
Disclosed herein is a battery pack case in which a battery module having a plurality of stacked battery cells or unit modules (‘unit cells’) is mounted, wherein the battery pack case is provided at the upper part and the lower part thereof with a coolant inlet port and a coolant outlet port, respectively, which are directed in opposite directions such that a coolant to cool the unit cells can flow from one side to the other side of the battery module in a direction perpendicular to a cell stacking direction, the battery pack case is further provided with a flow space (‘coolant introduction part’) extending from the coolant inlet port to the battery module and another flow space (‘coolant discharge part’) extending from the battery module to the coolant outlet port, and the flow channel width of the coolant introduction part and/or the flow channel width of the coolant discharge part is greater than that of each of the unit cells, thereby achieving uniform distribution of the coolant.
Abstract:
Disclosed herein is a middle- or large-sized battery module including a plurality of battery cells or unit modules, the middle- or large-sized battery module being configured to have a connection structure in which measured voltage and/or temperature signals of the battery cells or the unit modules are transmitted and received by a wire type connection member, wherein at least one end of the connection member is connected to a connection counterpart in a male and female engagement type mechanical coupling manner, the connection member has a downwardly bent region (a downwardly bent portion) formed at a region adjacent to a connection part such that the downwardly bent portion is bent downward to a height lower than the connection part for preventing moisture condensed on the connection member from being introduced to the connection part due to gravity.
Abstract:
Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells and two or more heat dissipation members, wherein the first heat dissipation member extends such that one side of the first heat dissipation member at least partially covers one outermost battery cell (a) of the battery module, and the other side of the first heat dissipation member is interposed between the inside battery cells, and the second heat dissipation member extends such that one side of the second heat dissipation member at least partially covers the outermost battery cell (a) while the second heat dissipation member is not overlapped with the first heat dissipation member, and the other side of the second heat dissipation member is interposed between the inside battery cells.
Abstract:
Disclosed herein is a battery module including a plurality of sequentially stacked plate-shaped battery cells, wherein the battery module is configured to have a structure in which two or more cell units are stacked in a state in which the battery cells are electrically connected to each other, each of the cell units is configured to have a structure in which two or more battery cells are connected in parallel to each other in a state in which the battery cells are in tight contact with each other, and parallel connection between electrode terminals of the battery cells of the cell units is achieved by one to one welding at a single weld point.