Patent application number | Description | Published |
20110008657 | Z-TYPE BATTERY PACK FOR VEHICLE - A flux of cooling gas passing between battery cells is kept uniformly, and accordingly a maximum temperature of the battery cells and temperature variation among the battery cells are greatly decreased. Thus, a life span of a battery pack is greatly elongated, and the possibility of explosion of the battery pack is eliminated. | 01-13-2011 |
20110045335 | BATTERY MODULE HAVING FLEXIBILITY IN DESIGNING STRUCTURE OF MODULE AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery module having a plurality of plate-shaped battery cells which are sequentially stacked, wherein the battery module is configured in a structure in which two or more battery cell units are connected in series to each other in a state in which the battery cell units are stacked, each of the battery cell units is configured in 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, the battery cells being mounted in housings, and external input and output terminals, i.e., a module cathode terminal and a module anode terminal, of the battery module are located at the same side or opposite sides of the battery module depending upon the number of the battery cell units constituting the battery module. | 02-24-2011 |
20110059342 | VOLTAGE SENSING MEMBER AND BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed herein is a voltage sensing member for sensing voltages of battery cells constituting a battery module, the voltage sensing member including (a) a pair of supporting parts, i.e., a front supporting part and a rear supporting part, mounted to a bottom of the battery module at regions (a front part and a rear part of the battery module) corresponding to electrode terminal connections of the battery cells, (b) a connection part for electrically interconnecting the front supporting part and the rear supporting part, (c) conductive sensing parts having one-side ends coupled to the corresponding supporting parts via wires, each of the conductive sensing parts having a larger contact surface than each of the wires, and (d) a connector mounted on the front supporting part or the rear supporting part for transmitting the sensed voltages of the battery cells to a battery control device, wherein the conductive sensing parts are connected to the electrode terminal connections of the battery cells in a surface contact manner. | 03-10-2011 |
20110059347 | BATTERY MODULE HAVING EXCELLENT HEAT DISSIPATION ABILITY AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery module including a plurality of plate-shaped battery cells mounted in a module case in a state in which the plate-shaped battery cells are sequentially stacked, 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, and a plurality of heat dissipation members are disposed in two or more interfaces between the respective plate-shaped battery cells such that heat generated from the plate-shaped battery cells during charge and discharge of the plate-shaped battery cells is removed by thermal conduction through the heat dissipation members. | 03-10-2011 |
20110064985 | BATTERY CARTRIDGE HAVING ELASTIC PRESSING MEMBER, AND BATTERY MODULE CONTAINING THE SAME - Disclosed herein is a battery cartridge configured in a frame structure to mount a plate-shaped battery cell therein, the battery cartridge comprising a pair of plate-shaped frames configured to fix the outer circumference of the battery cell in a state in which at least one side of the battery cell is open, wherein each of the frames is provided at the outside thereof with an elastic pressing member configured to fix a heat dissipation member to the open side of the battery cell in a tight contact manner upon manufacture of a battery module. | 03-17-2011 |
20110070474 | BATTERY MODULE OF IMPROVED SAFETY - Disclosed herein is a battery module configured in a structure in which a plurality of battery cells or unit modules (‘unit cells’) are stacked, and a heat sink is mounted to electrical connection regions between the unit cells and/or to outsides of battery module connection members connected to the electrical connection regions. | 03-24-2011 |
20110076531 | VOLTAGE SENSING MEMBER AND BATTERY MODULE EMPLOYED WITH THE SAME - 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. | 03-31-2011 |
20110129716 | U-TYPE BATTERY PACK FOR ELECTRIC VEHICLE - A battery pack for an electric vehicle has a cooling structure in which a coolant introduced through a first cooling channel cools cells and is then discharged through a second cooling channel. The cooling structure has a U-type structure in which the coolant is introduced and discharged in opposite directions. An entrance of the first cooling channel and an exit of the second cooling channel satisfy an equation in relation to an entrance flow rate and an exit flow rate. Since the temperature deviation among cells is set very small, the life of a battery pack may be elongated. Also, since a ratio of an exit area to an entrance area of a cooling channel may be quantitatively calculated according to an equation, it becomes very easy to design a battery pack. | 06-02-2011 |
20110171512 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, and the battery pack case is further provided with beads formed in a concavo-convex shape for improving the structural stability of the battery pack case against an external force, the beads being constructed in an outwardly-protruding structure to allow the coolant to be uniformly introduced into the battery module from the coolant inlet port in the advancing direction of a fluid in a flow space (“inlet duct”) defined between the coolant inlet port and the battery module. | 07-14-2011 |
20110177367 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE OF EXCELLENT COOLING EFFICIENCY - Disclosed herein is a middle or large-sized battery pack case in which a battery module having a plurality of stacked battery cells or unit modules (‘unit cells’), which can be charged and discharged, is mounted, wherein the battery pack case is provided at an upper part and a lower part thereof with a coolant inlet port and a coolant outlet port, respectively, which are directed in opposite directions so that a coolant for cooling the unit cells can flow from one side to the other side of the battery module in a direction perpendicular to a stacking direction of the unit cells, the battery pack case being further provided with a flow space (‘a coolant introduction part’) extending from the coolant inlet port to the battery module and another flow space (‘a coolant discharge part’) extending from the battery module to the coolant outlet port, an upper end inside of the coolant introduction part facing the top of a unit cell stack is configured to have an inclined plane inclined from the end opposite to the coolant inlet port toward the coolant inlet port at a positive (+) angle (A) to the top of the unit cell stack, the coolant inlet port is inclined at an angle (B) greater than the inclination angle (A) of the inclined plane so as to correspond to the internal structure of a device in which the middle or large-sized battery pack case, including the battery module, is mounted, and the inclination angle (A) of the inclined plane is 3 to 8 degrees when the inclination angle (B) of the coolant inlet port is 20 to 80 degrees. | 07-21-2011 |
20110189514 | MIDDLE OR LARGE-SIZED BATTERY PACK OF IMPROVED SAFETY - Disclosed herein is a middle or large-sized battery pack including a battery module assembly configured in a structure in which a plurality of battery modules, each of which comprises a plurality of battery cells or unit modules connected in series to each other while being mounted in a module case, is electrically connected to each other while being arranged in a lateral direction such that the battery modules are in contact with each other, a pair of side support members for covering sides of outermost battery modules of the battery module assembly, and at least one top connection member for connecting the side support members at a top of the battery module assembly, wherein at least one of the side support members has a region (weak portion) exhibiting low resistance to volume expansion, the weak portion being partially formed at the at least one of the side support members for inducing local deformation of the battery modules upon occurrence of swelling, thereby causing a short circuit. | 08-04-2011 |
20110189515 | BATTERY MODULE OF IMPROVED SAFETY AND MIDDLE OR LARGE-SIZED BATTERY PACK CONTAINING THE SAME - 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. | 08-04-2011 |
20110189521 | MIDDLE OR LARGE-SIZED BATTERY PACK OF NOVEL AIR COOLING STRUCTURE - Disclosed herein is a middle- or large-sized battery pack having two or more hexahedral battery modules, each including a plurality of chargeable and dischargeable plate-shaped battery cells or unit modules (unit cells), mounted in a pack case, wherein the battery pack is used as a power source for driving a vehicle, has a battery capacity of 5 KWh or more, and removes heat generated during the charge and discharge of the unit cells using an air cooling method, the unit cells of each of the battery modules are vertically stacked such that the number of the unit cells corresponds to a height of a battery pack installation space defined in the vehicle while neighboring unit cells are spaced apart from each other such that a coolant channel is defined between the respective unit cells, the pack case is formed in a shape corresponding to the battery pack installation space in the vehicle, the hexahedral battery modules being arranged in an inner space of the pack case, and a coolant for removing heat from the unit cells is introduced through at least one side of the pack case, passes through the battery modules horizontally, and is discharged through the other side of the pack case. | 08-04-2011 |
20110223457 | BATTERY MODULE HAVING EXCELLENT HEAT DISSIPATION ABILITY AND BATTERY PACK EMPLOYED WITH THE SAME - 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. | 09-15-2011 |
20110262791 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, the battery pack case is further provided with a flow space (‘inlet duct’) extending from the coolant inlet port to the battery module and another flow space (‘outlet duct’) extending from the battery module to the coolant outlet port, and one or more guide members are disposed in the inlet duct for guiding the flow of the coolant in the direction parallel to the stacking direction of the battery cells. | 10-27-2011 |
20110262792 | BATTERY MODULE HAVING COOLING MEANS, AND MIDDLE OR LARGE-SIZED BATTERY PACK CONTAINING THE SAME - 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. | 10-27-2011 |
20110318623 | BATTERY CARTRIDGE AND BATTERY MODULE CONTAINING THE SAME - Disclosed herein is a battery cartridge having a plate-shaped battery cell mounted therein, wherein the battery cartridge includes a pair of plate-shaped frames configured to fix opposite sides of the battery cell at the edge thereof in a state in which the sides of the battery cell are open, and each of the frames is provided at the inside thereof, disposed in contact with the edge of the battery cell, with an elastic pressing member configured to press the edge of the battery cell. | 12-29-2011 |
20120009457 | BATTERY MODULE ASSEMBLY OF IMPROVED COOLING EFFICIENCY - 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. | 01-12-2012 |
20120088131 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY IN COOLANT FLUX - Disclosed herein is a middle or large-sized battery pack case in which a battery module having a plurality of stacked battery cells or unit modules (‘unit cells’), which can be charged and discharged, is mounted, wherein the battery pack case is provided at an upper part and a 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 the direction perpendicular to the stacking direction of the unit cells, 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, an upper end inside of the coolant introduction part facing the top of the battery module is configured so that the distance between the upper end inside of the coolant introduction part and the top of the battery module decreases toward an end of the battery pack case opposite to the coolant inlet port, and a downwardly projected portion to guide the coolant to the battery module is formed at the upper end inside of the coolant introduction part so that the rugged portion extends a predetermined distance from the end of the battery pack case opposite to the coolant inlet port. | 04-12-2012 |
20120088135 | BATTERY MODULE HAVING TEMPERATURE SENSOR AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery module including two or more battery cells, wherein the battery module is configured in a structure in which a sensor (a “temperature sensor”) to measure the temperature of at least one of the battery cells is disposed between the at least one of the battery cells and a corresponding member contacting the at least one of the battery cells, the corresponding member is provided at a region thereof contacting the at least one of the battery cells with a groove formed in a shape corresponding to the temperature sensor, and the temperature sensor is disposed in contact with the outside of the at least one of the battery cells in a state in which the temperature sensor is mounted in the groove. | 04-12-2012 |
20120088141 | BATTERY CARTRIDGE HAVING ELASTIC PRESSING MEMBER, AND BATTERY MODULE CONTAINING THE SAME - Disclosed herein is a battery cartridge configured in a frame structure to mount a plate-shaped battery cell therein, the battery cartridge comprising a pair of plate-shaped frames configured to fix the outer circumference of the battery cell in a state in which at least one side of the battery cell is open, wherein each of the frames is provided at the outside thereof with an elastic pressing member configured to fix a heat dissipation member to the open side of the battery cell in a tight contact manner upon manufacture of a battery module. | 04-12-2012 |
20120094166 | BATTERY MODULE HAVING HEAT DISSIPATION MEMBER OF NOVEL STRUCTURE AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed is a battery module including a plurality of plate-shaped battery cells mounted in a module case in a stacked state, wherein each of the plate-shaped battery cells is configured in a structure in which an electrode assembly is mounted in a battery case formed of a laminate sheet, the battery module is configured in a structure in which a plurality of heat dissipation members disposed at two or more interfaces between the battery cells and a heat exchange member to integrally interconnect the heat dissipation members are mounted at one side of a battery cell stack, and heat generated from the battery cells during charge and discharge of the battery cells is removed by the heat exchange member via the heat dissipation members. | 04-19-2012 |
20120107664 | BATTERY MODULE OF IMPROVED COOLING EFFICIENCY - Disclosed herein is a battery module configured to have a structure in which a plurality of plate type battery cells is mounted in a module case so that the battery cells are arranged adjacent to one another. The battery module includes a plurality of insulative members disposed between the respective battery cells so that each of the insulative members corresponds to the peripheral shape of a corresponding one of the battery cells and a plurality of cooling members disposed at the interfaces between the respective battery cells. Each of the cooling members includes a heat dissipating fin disposed in contact with the outer surface of a corresponding one of the battery cells and a coolant conduit provided at the lower end of the heat dissipating fin. | 05-03-2012 |
20120114990 | SECONDARY BATTERY HAVING IMPROVED SAFETY - Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack. | 05-10-2012 |
20120177965 | BATTERY MODULE WITH EXCELLENT COOLING EFFICIENCY AND COMPACT STRUCTURE AND MIDDLE OR LARGE-SIZED BATTERY PACK - 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. | 07-12-2012 |
20120183822 | BATTERY PACK HAVING NOVEL COOLING STRUCTURE - Disclosed herein is a battery pack having a plurality of battery cells or unit modules (‘unit cells’), which can be charged and discharged, mounted in a pack case. | 07-19-2012 |
20130040175 | COOLING MEMBER OF NOVEL STRUCTURE AND BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed herein is a cooling member mounted between battery cells to remove heat generated from the battery cells during charge and discharge of the battery cells, wherein the cooling member includes a plate-shaped cooling fin configured to have a structure in which two battery cell contact portions disposed in tight contact with outer sides of the battery cells in a state in which the cooling fin is disposed between the respective battery cells are continuously formed in a horizontal direction (a lateral direction) and a coolant conduit configured to have a hollow structure in which a coolant flows, the coolant conduit thermally contacting the cooling fin, the coolant conduit being located at the outside of an electrode assembly receiving part of each of the battery cells when the cooling fin is disposed between the battery cells. | 02-14-2013 |
20130224549 | BATTERY MODULE WITH EXCELLENT COOLING EFFICIENCY AND COMPACT STRUCTURE AND MIDDLE OR LARGE-SIZED BATTERY PACK - 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. | 08-29-2013 |
20130295422 | COOLING MEMBER OF IMPROVED ASSEMBLY EFFICIENCY AND BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed herein is a cooling member mounted at a top or a bottom of a battery module configured to have a structure in which a plurality of unit modules, each of which includes one or more battery cells, is arranged in a lateral direction or a battery pack configured to have a structure in which a plurality of battery modules is arranged in a lateral direction to remove heat generated from the battery cells during charge and discharge of the battery cells. | 11-07-2013 |
20130309532 | BATTERY PACK HAVING NOVEL COOLING STRUCTURE - Disclosed is a battery pack having a plurality of battery cells or unit modules (‘unit cells’), which can be charged and discharged, mounted in a pack case, wherein the unit cells are stacked in a direction (a Z direction) in which the unit cells are sequentially stacked in parallel to a ground in a state in which a spacing distance for coolant flow is provided between the respective unit cells to constitute a battery module, two or more battery modules are arranged in a horizontal direction (an X direction) on the plane with respect to a coolant introduction direction in which a coolant is introduced through a coolant inlet port in a state in which flow of the coolant between the battery modules is restrained to constitute a battery module group. | 11-21-2013 |
20130323549 | BATTERY MODULE AND BUS BAR APPLIED TO BATTERY MODULE - Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate. | 12-05-2013 |
20130323551 | BATTERY PACK CONTAINER AND APPARATUS FOR COOLING POWER STORAGE BATTERY PACK USING THE SAME - Disclosed is an apparatus for cooling a battery pack, having a stack having a plurality of battery pack containers in a multi-layered structure, the battery pack container having an inner space to receive a battery pack and includes a first and second side plate facing each other to form side walls of the inner space; two upper frames for respectively connecting the top corners of the first to the second side plate; and two lower frames for respectively connecting the bottom corners of the first to the second side plate, the two lower frames including a front lower frame, disposed forwardly within the container with an inflow hole for introducing cooling medium, and the two upper frames include a rear upper frame, disposed rearwardly within the container and having an outflow hole for discharging cooling medium after heat exchange occurs; a housing; a circulation driving module; and an exhaust duct. | 12-05-2013 |
20140065467 | BATTERY PACK AND CONNECTING BAR APPLIED THERETO - A battery pack includes a plurality of battery modules, each having at least one unit cell, a case for accommodating the unit cell and a bus bar electrically connected to the unit cell, and a connecting bar for connecting battery modules adjacent to each other among the plurality of battery modules, wherein at least one of the connecting bars includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate. In this configuration, if an overcurrent flows at the battery pack, the connecting bar is easily broken, thereby ensuring safety of the battery pack in use. | 03-06-2014 |
20140178734 | MIDDLE OR LARGE-SIZED BATTERY PACK CASE PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT FLUX - Disclosed herein is a middle- or large-sized battery pack case in which a battery module having a plurality of stacked battery cells, which can be charged and discharged, is mounted, wherein the battery pack case is provided with a coolant inlet port and a coolant outlet port, which are disposed such that a coolant for cooling the battery cells can flow from one side to the other side of the battery module in the direction perpendicular to the stacking direction of the battery cells, the battery pack case is further provided with a flow space (‘inlet duct’) extending from the coolant inlet port to the battery module and another flow space (‘outlet duct’) extending from the battery module to the coolant outlet port, and one or more guide members are disposed in the inlet duct for guiding the flow of the coolant in the direction parallel to the stacking direction of the battery cells. | 06-26-2014 |
20140234691 | BATTERY MODULE WITH NOVEL STRUCTURE - Disclosed herein is a battery module including chargeable and dischargeable battery cells mounted in a module case, wherein the battery cells are mounted in the module case in a state in which the battery cells are stacked in a lateral direction in which electrode terminals are not located, the module case is configured to have a frame structure open at one or more surfaces thereof, the module case including a receiving part to mount the battery cells, and a heat dissipation support member to dissipate heat from the battery cells through thermal conduction based on direct or indirect contact with the battery cells is mounted in the receiving part, in which the battery cells are mounted. | 08-21-2014 |
20140242429 | BATTERY MODULE OF IMPROVED SAFETY AND BATTERY PACK CONTAINING THE SAME - Disclosed is a battery pack including a battery module array constituted by one or more battery modules each including one or more unit modules each configured to have a structure in which a battery cell is surrounded by a cell cover are mounted in a module case in a state in which the unit modules are stacked while being vertically upright, a base plate on which the battery module array is loaded, a pair of end plates to support opposite sides of the array in a state in which a lower end of each of the end plates is fixed to the base plate, and an insulation member disposed between the array and each of the end plates, the insulation member being provided at a surface thereof facing the array with one or more ribs to absorb shock caused by external force and to define a coolant flow channel. | 08-28-2014 |
20140342211 | BATTERY PACK OF NOVEL AIR COOLING STRUCTURE - Disclosed herein is a battery pack including a plurality of battery modules, each having a battery cell or a unit module (unit cell) that can be charged and discharged, mounted in a pack case, wherein two or more unit cells constitute one battery module, two or more battery modules are arranged in a length direction of the battery pack to constitute one battery module group, two battery module groups are arranged in a width direction of the battery pack in a state in which the batter module groups are spaced apart from each other such that a coolant discharge part is defined between the battery module groups, a coolant inlet port is independently formed at a region of the pack case corresponding to each of the battery modules located at a position opposite to the coolant discharge part, and a coolant outlet port is formed at a front or a rear of the pack case in the length direction of the battery pack such that coolant introduced through the respective coolant inlet ports cools the unit cells of the respective battery modules while passing through the respective battery modules and is then discharged out of the pack case. | 11-20-2014 |
20150024252 | BATTERY MODULE OF IMPROVED STABILITY - Disclosed herein is a battery module including a plurality of battery cells, the battery module including the battery cells being stacked in a state in which electrode terminals are electrically connected to each other, a pair of cell covers coupled to each other to surround the entirety of an outside of a battery cell stack including two or more battery cells excluding the electrode terminals of the battery cells, and fixing members mounted at the cell covers in contact with the outside of the battery cell stack to properly fix the battery cells in the cell covers. | 01-22-2015 |
20150064535 | BATTERY MODULE HAVING INDIRECT AIR-COOLING STRUCTURE - A battery module including two or more stacked battery cells which can be charged and discharged and at least one cooling plate comprising a thermal conduction portion and at least one heat dissipation portion connected to said thermal conduction portion, the thermal conduction portion being disposed between one or more adjacent battery cells, and the at least one heat dissipation portion extending beyond the adjacent battery cells and including one or more bend is provided. | 03-05-2015 |
20150064540 | BATTERY MODULE HAVING STRUCTURE OF IMPROVED STABILITY AND HIGH COOLING EFFICIENCY - Disclosed herein is a battery module including a battery cell stack configured to have a rectangular parallelepiped structure in which two or more plate-shaped battery cells, each of which has electrode terminals formed at one side thereof, are stacked and a breadth of one surface of the battery cell stack at which the electrode terminals of the battery cells are disposed is smaller than a width and a height of each major surface of the battery cell stack, a first module case bent to surround two relatively large major surfaces of the battery cell stack and one surface of the battery cell stack opposite to the surface of the battery cell stack at which the electrode terminals of the battery cells are disposed, among six surfaces of the battery cell stack and a surface, the first module case being made of a thermally conductive material that is capable of dissipating heat generated from the battery cells during charge and discharge of the battery cells, and a second module case bent to surround side surfaces of the battery cell stack adjacent to the two major surfaces of the battery cell stack and the surface of the battery cell stack at which the electrode terminals of the battery cells are disposed, the second module case being fastened to the first module case, the second module case being provided with through holes, through which the electrode terminals of the battery cells protrude outward, the second module case being made of an electrically insulative material. | 03-05-2015 |