| Patent application number | Description | Published |
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| 20090214936 | Voltage Sensing Member and Battery Module Employed with the Same - Disclosed herein is a voltage sensing member constructed in a structure in which linear mounting parts are mounted to supporting parts coupled to the bottom of a battery module, conductive sensing parts are mounted on the mounting parts while the conductive sensing parts are in elastic contact with electrode terminals of battery cells, and the sensing parts are electrically connected to a battery management system (BMS). The voltage sensing member according to the present invention is manufactured by a simple assembly process without using a plurality of members for mechanical coupling and electrical connection. Consequently, the present invention has the effect of reducing the manufacturing costs of the voltage sensing member. Also, the voltage sensing member is maintained in elastic and stable contact when external impact or frequent vibration is applied to the voltage sensing member. Consequently, the present invention has the effect of performing stable voltage sensing operation. Furthermore, the present invention has the effect of manufacturing a middle- or large-sized battery pack having desired output and capacity using a battery module including the voltage sensing member as a unit body. | 08-27-2009 |
| 20090305116 | Middle or Large-Sized Battery Module - Disclosed herein is a middle- or large-sized battery module comprising: a battery cell stack including a plurality of battery cells or unit modules electrically connected with each other, the battery cells or unit modules being erected in the lateral direction; a first module case constructed in a structure to entirely surround one side end of the battery cell stack and to partially surround the upper and lower ends of the battery cell stack, the first module case being provided at the front part thereof with external input and output terminals; a second module case coupled with the first module case, the second module case being constructed in a structure to entirely surround the other side end of the battery cell stack and to partially surround the upper and lower ends of the battery cell stack, the second module case being provided at the front part thereof with bus bars for connecting electrode terminals of the battery cell stack to the external input and output terminals; a sensing member mounted to the first module case or the second module case; and a battery management system (BMS) mounted to the first module case or the second module case, while being connected to the sensing member, for monitoring and controlling the operation of the battery module. | 12-10-2009 |
| 20090305121 | DOUBLE WINDING-TYPED ELECTRODE ASSEMBLY - Disclosed herein is a double winding type electrode assembly constructed in a structure in which a cathode and an anode are opposite to each other while a separator is disposed between the cathode and the anode, wherein the electrode assembly is manufactured by preparing a plurality of cell units, each cell unit having a cathode sheet and an anode sheet, of a predetermined size, wound, while a separator is disposed between the cathode sheet and the anode sheet, each cell unit being elliptical in section, and sequentially winding the cell units while arranging the cell units on a long separator sheet. | 12-10-2009 |
| 20090305133 | Electrode Assembly Having Member for Holding Electrodes and Secondary Battery Comprising the Same - Disclosed herein are a stacking type electrode assembly constructed in a cathode/separator anode structure, wherein the electrode assembly is provided at a predetermined region thereof with at least one through-hole, and a pair of holding members (a male coupling member and a female coupling member) constructed in a male-female coupling type structure is inserted through the through-hole inside a battery case, an outer surface of the female coupling member being brought into tight contact with the through-hole when the male coupling member is inserted into the female coupling member while the female coupling member having an outer diameter less than an inner diameter of the through-hole is inserted through the through-hole, and a secondary battery including the same. The electrode assembly according to the present invention has the effect of restraining the cathodes and the anodes from being moved separately from the separators, when an external force is applied to the electrode assembly, thereby preventing the occurrence of internal short circuits, and eventually, improving the safety of a secondary battery including the electrode assembly. Furthermore, the electrode assembly according to the present invention has the effect of restraining the movement of the electrodes due to repetitive contraction and expansion of the electrode assembly during the charge and discharge of the secondary battery. | 12-10-2009 |
| 20090311586 | Middle- or large-sized battery pack case providing improved distribution uniformity in coolant flux - Disclosed herein is a battery pack case in which a battery module ( | 12-17-2009 |
| 20090325043 | MIDDLE OR LARGE-SIZED BATTERY MODULE - Disclosed herein is a middle- or large-sized battery module comprising a plurality of stacked unit cells, each unit module including two or more plate-shaped battery cells electrically connected with each other, each battery cell having electrode terminals formed at opposite sides thereof. The battery module is manufactured by connecting electrode terminals of a pair of unit modules by welding, mounting a sensing unit, including a sensing member, to the welding part and bending the welding part such that the unit modules are stacked, and repeatedly performing the above processes until all the unit cells are stacked. | 12-31-2009 |
| 20100021802 | MIDDLE OR LARGE-SIZED BATTERY MODULE - Disclosed herein is a middle- or large-sized battery module including two or more unit modules each having one or more plate-shaped battery cells, as unit cells, surrounded by a high-strength sheathing member made of synthetic resin or metal, and separable upper and lower frame members coupled with each other in an assembly-type coupling structure such that the unit modules are vertically mounted in the upper and lower frame members. The present invention has the effect of easily mounting a sensing unit that is capable of minimizing the weight and size of battery cells while effectively reinforcing the low mechanical strength of the battery cells and sensing the operation state of the battery cells to a middle- or large-sized battery module. In addition, the present invention has the effect of manufacturing the battery module by a simple assembly process without using a plurality of members for mechanical coupling and electrical connection, thereby decreasing the manufacturing costs of the battery module, and effectively preventing the battery module from being short-circuited or damaged during the manufacture or the operation of the battery module. Furthermore, the present invention has the effect of manufacturing a middle- or large-sized battery system having desired output and capacity using the battery module as a unit body. | 01-28-2010 |
| 20100092848 | 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, 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 a structure in which the beads do not disturb the flow of the coolant from the coolant inlet port along the advancing direction of a fluid in a flow space defined between the coolant inlet port and the battery module. | 04-15-2010 |
| 20100141214 | POWER SWITCHING MODULE FOR BATTERY MODULE ASSEMBLY - Disclosed herein is a power switching module for a battery module assembly constructed in a structure in which a plurality of rectangular battery modules, each having a plurality of battery cells or unit modules connected in series to each other, are stacked in the width direction (the longitudinal direction) and the height direction (the transverse direction) by at least twos such that the rectangular battery modules generally constitute a hexahedral structure (hexahedral stack), outer edges of the hexahedral stack are fixed by a frame member, and input and output terminals of the rectangular battery modules are oriented such that the input and output terminals of the rectangular battery modules are directed toward one surface (a) of the hexahedral stack, wherein the power switching module comprises an insulative substrate mounted to the surface (a) of the hexahedral stack in a coupling fashion, elements mounted on the insulative substrate for controlling voltage and current during the charge and discharge of the rectangular battery modules, and connection members mounted on the insulative substrate for interconnecting the control elements. | 06-10-2010 |
| 20100190048 | BATTERY MODULE OF COMPACT JOINT STRUCTURE - Disclosed herein is a battery module including a charge and discharge stack, constituted by a plurality of secondary battery cells that can be charged and discharged or a plurality of unit modules having the secondary battery cells, mounted between an upper module case and a lower module case, wherein the lower module case is provided with joint structures including coupling parts (upper and lower coupling parts) for allowing both upward and downward couplings, and the upper module case is provided with joint holes communicating with the upper coupling parts of the joint structures. The battery module according to the present invention has the effect of reinforcing the low mechanical strength of the battery cells while the weight and size of the battery module is minimized. Also, the battery module according to the present invention is mounted to an inner frame of a vehicle or an additional frame fixed in the vehicle by a simple joint structure without using a plurality of members for a mechanical joint, whereby the manufacturing costs of the battery module are generally decreased. Furthermore, the battery module according to the present invention is safely protected when vibrations are generated from the vehicle during the driving of the vehicle. In addition, it is possible to easily manufacture a middle- or large-sized battery system having desired power and capacity using the battery module as a unit body. | 07-29-2010 |
| 20100203376 | 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, 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 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, the inlet duct having a vertical sectional area less than that of the outlet duct. | 08-12-2010 |
| 20100297482 | 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. | 11-25-2010 |
| 20100330408 | BATTERY MODULE OF EXCELLENT HEAT DISSIPATION PROPERTY AND HEAT EXCHANGE MEMBER - Disclosed herein is a battery module including two or more plate-shaped battery cells sequentially stacked, wherein each of the plate-shaped battery cells is constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer, and a heat exchange member, including a plurality of heat exchange plates and a frame to which the heat exchange plates are connected, is mounted at one side of a stack of the battery cells for removing heat generated from the battery cells during the charge and discharge of the battery cells. | 12-30-2010 |
| 20110008665 | BATTERY CELL HAVING IMPROVED THERMAL STABILITY AND MIDDLE OR LARGE-SIZED BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed herein is a battery cell constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer while the electrode assembly is connected to electrode terminals extruding out of the battery case, wherein the battery case is provided at an outer circumferential end thereof with a sealing part formed by thermally welding upper and lower parts of the laminate sheet, and a sheet-type member (‘a thermally conductive sheet’) to accelerate the dissipation of heat from the battery cell extends to the sealing part while the thermally conductive sheet partially covers the battery cell. | 01-13-2011 |
| 20110008666 | BATTERY CELL OF EXCELLENT HEAT DISSIPATION PROPERTY AND MIDDLE OR LARGE-SIZED BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed herein is a battery cell constructed in a structure in which an electrode assembly of a cathode/separator/anode structure is mounted in a battery case formed of a laminate sheet including a resin layer and a metal layer while the electrode assembly is connected to electrode terminals extruding out of the battery case, wherein the battery cell is constructed in a structure to accelerate heat dissipation by the heat conduction through at least some of a sealing part of the battery case where the electrode terminals are not located. | 01-13-2011 |
| 20110020677 | MIDDLE AND LARGE-SIZED BATTERY PACK HAVING IMPROVED COOLING EFFICIENCY - Disclosed herein is a middle- or large-sized battery pack including a module assembly constructed in a structure in which a plurality of battery modules, each of which includes a plurality of battery cells or unit modules mounted in a module case while the battery cells or unit modules are connected in series to each other, are arranged such that the battery modules are disposed in contact with each other in the lateral direction, and a coolant flow channel is vertically formed, a plurality of support members for supporting opposite sides and the bottom of the module assembly and maintaining the arrangement state of the module assembly, and a pack housing for surrounding the module assembly and the support members, wherein the battery pack is constructed in a cooling structure in which a coolant is introduced through one side upper end (or lower end) of the module assembly along a hermetically sealed space defined by the support members, flows vertically through the module assembly, and is discharged through the other side lower end (or upper end) of the battery assembly. | 01-27-2011 |
| 20110052951 | MIDDLE OR LARGE-SIZED BATTERY MODULE OF IMPROVED SAFETY - 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. | 03-03-2011 |
| 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 |
| 20110062915 | BATTERY CELL VOLTAGE BALANCING DEVICE - Disclosed herein is a battery cell voltage balancing device for connecting two or more battery cells to one another in parallel so as to minimize a voltage difference between the respective battery cells, the battery cell voltage balancing device including an insulative main body having partitions, between which the two or more battery cells are mounted, respectively, configured in a structure in which the partitions are open upward, terminal connection parts disposed at opposite ends of the insulative main body for connecting cathodes and anodes of the battery cells mounted at the insulative main body to cathodes and anodes of neighboring battery cells mounted at the insulative main body, and an interval adjustment unit for variably adjusting an interval between the partitions in a state in which the battery cells are mounted between the partitions to achieve secure mounting of the battery cells between the respective partitions and electrical connection of electrode terminals of the respective battery cells to the terminal connection parts. | 03-17-2011 |
| 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 |
| 20110135994 | MIDDLE OR LARGE-SIZED BATTERY MODULE - Disclosed herein is a middle- or large-sized battery module comprising: a battery cell stack including a plurality of battery cells or unit modules electrically connected with each other; a first module case constructed in a structure to entirely surround one side end of the battery cell stack and to partially surround the upper and lower ends of the battery cell stack; a second module case coupled with the first module case, the second module case being constructed in a structure to entirely surround the other side end of the battery cell stack and to partially surround the upper and lower ends of the battery cell stack; a sensing member mounted to the first module case or the second module case; and a battery management system (BMS) mounted to the first module case or the second module case. | 06-09-2011 |
