Patent application number | Description | Published |
20120171532 | MIDDLE OR LARGE-SIZED BATTERY PACK OF IMPROVED COOLING EFFICIENCY - Disclosed is a battery pack configured to have a structure in which two or more battery modules, each including a plurality of battery cells or unit modules (unit cells) which can be charged and discharged, are mounted in a space defined between a pack case and a base plate, wherein cooling members, each including a heat dissipation fin disposed in contact with outsides of corresponding ones of the unit cells and a coolant conduit connected to a lower end of the heat dissipation fin to allow a coolant to flow therealong, are mounted at interfaces between the unit cells, the base plate, located below the battery modules, is configured to form a coolant flow channel having a coolant flow direction corresponding to the coolant flow direction in the coolant conduit, the pack case is coupled to the base plate in a state in which the battery modules are mounted on the base plate. | 07-05-2012 |
20120176082 | BATTERY PACK SYSTEM OF IMPROVING OPERATING PERFORMANCE USING INTERNAL RESISTANCE OF CELL - Disclosed is a battery pack system to supply current necessary to operate an external device, including a battery module including battery cells which can be charged and discharged, a temperature sensor, an auxiliary power unit to supply a charge and discharge pulse current to the battery module, and a controller to connect the auxiliary power unit to the battery module so that the charge and discharge pulse current is supplied to the battery module when a measured temperature (T | 07-12-2012 |
20120315522 | VOLTAGE SENSING ASSEMBLY FOR BATTERY MODULE AND BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed is a voltage sensing assembly for a battery module to sense voltage of battery cells having electrode terminals formed at the upper or lower end thereof in a state in which the voltage sensing assembly is mounted in the battery module, the voltage sensing assembly including (a) an upper and a lower block case to be coupled to each other in an assembled fashion, the upper block case and the lower block case being made of an electrically insulative material, the upper block case and the lower block case being mounted to a region (front or rear) of the battery module corresponding to electrode terminal connection parts of the battery cells, (b) upper-row and lower-row conductive sensors to be connected to the electrode terminal connection parts of the battery cells, respectively, and (c) a connector to transmit voltages sensed by the conductive sensors to a battery management system (BMS). | 12-13-2012 |
20130045403 | BATTERY MODULE HAVING NOVEL STRUCTURE - Disclosed herein is a battery module including (a) a battery cell stack including two or more battery cells or unit modules electrically connected to each other in a state in which the battery cells or unit modules are vertically stacked, (b) a first housing to cover the entirety of the end of one side of the battery cell stack and portions of the top and bottom of the battery cell stack and (c) a second housing to cover the entirety of the end of the other side of the battery cell stack and the remainder of the top and bottom of the battery cell stack, wherein the first housing and the second housing are provided with coupling holes formed to couple the first housing and the second housing to each other, the coupling holes being horizontal coupling holes, through which coupling members can be inserted in the lateral direction. | 02-21-2013 |
20130130076 | BATTERY PACK HAVING NOVEL STRUCTURE - Disclosed herein is a battery pack, temperature of which is controllable, including at least one battery module including a plurality of battery cells or unit modules (‘unit cells’) which can be charged and discharged, a fluid channel formed such that a fluid to cool or heat the battery module passes through the battery module, a flow change unit located on the fluid channel to change a flow direction of the fluid based on a temperature state of the battery module, and an operation controller to control an operation of the flow change unit based on information regarding the temperature of the battery module. | 05-23-2013 |
20130149571 | BATTERY PACK OF COMPACT STRUCTURE - Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover. | 06-13-2013 |
20130149576 | BATTERY MODULE WITH COMPACT STRUCTURE AND EXCELLENT HEAT RADIATION CHARACTERISTICS AND MIDDLE OR LARGE-SIZED BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery module configured to have a structure in which a plurality of battery cells, each of which includes an electrode assembly of a cathode/separator/anode structure mounted in an electrode assembly receiving part, is mounted in a module case in a state in which the battery cells are arranged in a lateral direction such that the electrode assembly receiving parts of the respective battery cells are adjacent to one another, wherein a plurality of cooling members is disposed between the battery cells, and each of the cooling members includes a heat dissipation fin disposed between adjacent electrode assembly receiving parts in a tight contact state and a coolant conduit configured to have a hollow structure in which a coolant flows and mounted to the heat dissipation fin along outer edges of each of the electrode assembly receiving parts. | 06-13-2013 |
20130216875 | BATTERY PACK OF EXCELLENT COOLING EFFICIENCY - Discussed herein is a battery pack configured to have a structure in which a 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, the battery pack case is provided with a coolant introduction part and a coolant discharge part, the coolant introduction part includes (a) a parallel introduction part adjacent to the coolant inlet port, the parallel introduction part extending in parallel to a top of the unit cell stack and (b) an inclined introduction part connected to the parallel introduction part, the inclined introduction part extending from the coolant inlet port to an end of the battery pack case opposite to the coolant inlet port such that a distance between the inclined introduction part and the top of the unit cell stack is gradually decreased. | 08-22-2013 |
20130230753 | BATTERY PACK OF EXCELLENT COOLING EFFICIENCY - Disclosed is a battery pack including battery modules arranged in two or more rows, each of the battery modules including a plurality of battery cells or unit modules, each of which has two or more battery cells mounted therein, stacked in an upright or upside-down fashion, wherein the battery modules are individually mounted in pack cases, the pack cases are provided at upper parts and lower parts thereof with coolant inlet ports and coolant outlet ports such that a coolant to cool the battery cells flows to one side to the other side of the battery modules in a direction perpendicular to the stacked direction of the battery cells or the unit modules, the pack cases are further provided with flow spaces (‘coolant introduction parts’). | 09-05-2013 |
20130280566 | BATTERY PACK PROVIDING IMPROVED DISTRIBUTION UNIFORMITY OF COOLANT - Disclosed herein is a battery pack having a plurality of battery cells or unit modules (‘unit cells’) electrically connected to each other, wherein the unit cells are arranged in a width direction (traverse direction) of the battery pack in an upright fashion in a state in which the unit cells are spaced apart from each other to form coolant flow channels, thereby constituting a battery module layer, and two or more battery module layers are mounted in a pack case such that the battery module layers are stacked in a height direction (vertical direction) of the battery pack, and wherein the battery pack includes a coolant introduction part, through which a coolant is introduced into the two or more battery module layers to simultaneously cool some or all of the unit cells in the two or more battery module layers, and a coolant discharge part, through which the coolant, having passed the unit cells, is discharged. | 10-24-2013 |
20130309543 | COOLING MEMBER OF IMPROVED COOLING EFFICIENCY AND BATTERY MODULE EMPLOYED WITH THE SAME - Disclosed is a cooling member mounted at a top and/or a bottom of a battery module or a battery pack to remove heat generated from battery cells during charge and discharge of the battery cells, wherein the cooling member includes a thermal conduction member including a stepped fastening plate having step portions of different lengths, coolant flow channels being formed at interfaces of the fastening plate and a coolant conduit configured to have a hollow structure through which a coolant flows, the coolant conduit including a main conduit and one or more branch conduits extending vertically in a state in which the branch conduits communicate with the main conduit such that the branch conduits communicate with the coolant flow channels of the thermal conduction member. | 11-21-2013 |
20130337297 | BATTERY PACK OF IMPROVED SAFETY - Disclosed herein is a battery pack including a power supply unit including two or more battery cells or battery modules electrically connected to each other, at least one pressure driven switch configured to cause a short circuit in a portion or the entirety of the battery pack upon detecting expansion in volume of the battery cells or the battery modules when the power supply unit malfunctions, a cut-off portion located at at least one series connection region between the battery cells or the battery modules to interrupt electrical connection in the battery pack when the short circuit occurs in the battery pack, and external input and output terminals connected to electrode terminals located at outermost sides of the power supply unit to supply power to an external device. | 12-19-2013 |
20140004397 | BATTERY PACK OF IMPROVED SAFETY | 01-02-2014 |
20140050950 | SAFETY DEVICE FOR BATTERY PACK - Disclosed herein is a safety device mounted at one side of a battery pack including two or more battery cells or at least one battery module such that the safety device is first short-circuited when a needle type object penetrates the battery pack to secure safety of the battery pack, the safety device including a pair of conductive sheets spaced apart from each other, an electrically insulative housing to surround outsides of the conductive sheets excluding fronts of the conductive sheets in a state in which the conductive sheets are inserted and mounted in the housing, a sealing member to cover the fronts of the conductive sheets, and a connection member to connect the conductive sheets to a cathode and an anode of one of battery cells constituting the battery module. | 02-20-2014 |
20140087221 | BATTERY MODULE AND BATTERY ASSEMBLY COMPRISING THE SAME - Disclosed is a battery module including a unit cell assembly including two or more battery cells or unit modules; a left case coupled to a left side of the assembly, the left case provided at a left outer side thereof with a first fastening groove extending parallel to a longitudinal direction of the battery module such that a sensing assembly is fastened into the first groove, the left case being provided at opposite ends thereof with second fastening grooves formed parallel to a height direction of the battery; and a right case coupled to a right side of the assembly, an external input and output terminal oriented to a front of the battery, the right case provided at a right inner side thereof with a plurality of fixing grooves formed parallel to a longitudinal direction of the assembly such that the assembly is fastened and fixed into the fixing grooves. | 03-27-2014 |
20140099527 | BATTERY MODULE WITH COOLING STRUCTURE OF HIGH EFFICIENCY - Disclosed herein is a battery module including chargeable and dischargeable battery cells which are sequentially arranged in a stacked state, cartridges fixing edges of the respective battery cells to form a battery cell stacked structure, and heat transfer members mounted between the respective battery cells, edges of the heat transfer members being partially or entirely fixed to the respective cartridges. The battery module according to the present invention is configured to have a structure in which the heat transfer members, to which heat generated from the battery cells is conducted, are coupled to the cartridges to fix the battery cells and, at the same time, to cool the battery cells, thereby improving cooling efficiency, reducing the size of the battery module to have a compact structure, and improving structural stability of the battery cells. | 04-10-2014 |
20140127549 | BATTERY PACK OF IMPROVED SAFETY - Disclosed herein is a battery pack configured such that battery modules, each of which includes a plurality of battery cells or unit modules connected to each other in series, are connected to each other in series in a state in which the battery modules are in tight contact with each other or stacked adjacent to each other, the battery pack including a fuse connected in series in an electrical connection circuit between the battery modules and a circuit breaker mounted at an outside of at least one of the battery modules to perform electric conduction when the battery cells swell, the circuit breaker being electrically connected to the electrical connection circuit to break the fuse when electric conduction is performed due to swelling of the battery cells. | 05-08-2014 |
20140127550 | BATTERY MODULE OF IMPROVED RELIABILITY AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed is a battery module including a plurality of plate-shaped battery cells which are sequentially stacked, wherein the battery module is configured to have a structure in which two or more hexahedral cell units are connected to each other in series in a state in which the hexahedral cell units are stacked, each of the cell units is configured to have a structure in which two or more battery cells are connected to each other in series in a state in which the battery cells are in tight contact with each other, and electrode terminals (outermost electrode terminals) of outmost battery cells of the cell units are connected to external input and output terminals of the battery module, the outermost electrode terminals having a larger vertical sectional area than electrode terminals of the other battery cells such that the outermost electrode terminals are prevented from being broken by external force. | 05-08-2014 |
20140134462 | BATTERY MODULE OF IMPROVED STABILITY - Disclosed herein is a battery module having a plurality of battery cells electrically connected to each other, the battery module including a voltage sensing unit including voltage sensing terminals electrically connected to electrode terminal connection portions of the battery cells and a conduction part connected to the voltage sensing terminals to transmit voltages detected by the voltage sensing terminals to a module control unit and a signal cutoff unit located between the voltage sensing terminals and the conduction part to interrupt transmission of the detected voltages when a short circuit occurs in the conduction part. | 05-15-2014 |
20140212722 | BATTERY MODULE ASSEMBLY OF IMPROVED RELIABILITY AND BATTERY PACK EMPLOYED WITH THE SAME - A battery module assembly having one or more plate-shaped cells, including two or more battery modules having cell units, each of which includes one or more battery cells, electrically connected to one another, a pair of an upper and lower case to surround outer circumferences of the modules such that one surface of each of the outermost modules is exposed outside in a state in which the modules are erected on their sides, one or more first fastening holes vertically formed at a top of the upper case and a bottom of the lower case in a direction in which first fastening holes face each other to fasten and fix the upper and lower case, and two or more second fastening holes horizontally formed at a front and/or a rear of the upper case and a front and/or a rear of the lower case to position or fix the assembly. | 07-31-2014 |
20140212723 | BATTERY MODULE ASSEMBLY OF IMPROVED RELIABILITY AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery module assembly including two or more battery modules having cell units, each of which includes one or more battery cells having insulating tape at least partially attached to an outer circumference thereof excluding electrode terminals thereof, electrically connected to one another, a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another, and fastening holes formed at a top of the upper case and a bottom of the lower case to position or fix the battery module assembly. | 07-31-2014 |
20140212724 | BATTERY MODULE ASSEMBLY OF IMPROVED RELIABILITY AND BATTERY PACK EMPLOYED WITH THE SAME - Disclosed herein is a battery module assembly including (a) two or more battery modules having cell units, each of which includes one or more battery cells, connected in parallel to one another, (b) a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, (c) a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another in parallel, and (d) a fastening hole formed at a front of the upper case and/or a front of the lower case to position or fix the battery module assembly. | 07-31-2014 |
20140234690 | MIDDLE OR LARGE-SIZED BATTERY PACK ASSEMBLY - Disclosed herein is a battery pack including (a) a module assembly including two or more battery modules, each of which includes a chargeable and dischargeable battery cell, the battery modules being stacked to have a two layer structure including an upper layer and a lower layer while being in contact with each other in a lateral direction, (b) a first upper layer connection member and a second upper layer connection member mounted at the upper layer module assembly, (c) a first lower layer connection member and a second lower layer connection member mounted at the lower layer module assembly, (d) a pair of side support members, (e) insulation members mounted at interfaces between the sides of the upper and lower layer module assemblies and the side support members, and (f) a first lower end support member and a second lower end support member. | 08-21-2014 |
20140315057 | BATTERY PACK OF COMPACT STRUCTURE - Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted in a cartridge, is vertically stacked, a lower end plate to support a lower end of the cell module stack, an upper end plate to fix an uppermost cartridge of the cell module stack disposed on the lower end plate, and a voltage detection assembly to detect voltages of the battery cells, a box type pack case in which the battery module is mounted, a pack cover coupled to the pack case, and fastening extension members protruding upward from the battery module to couple the battery module to the pack case and the pack cover. | 10-23-2014 |