LG ENERGY SOLUTION, LTD. patent applications on March 27th, 2025
Patent Applications by LG ENERGY SOLUTION, LTD. on March 27th, 2025
LG ENERGY SOLUTION, LTD.: 30 patent applications
LG ENERGY SOLUTION, LTD. has applied for patents in the areas of H01M4/02 (5), H01M4/04 (4), H01M10/052 (4), H01M50/249 (4), H01M10/04 (3) H01M4/133 (2), H01M10/4285 (2), A62C3/16 (1), H01M10/052 (1), H01M50/54 (1)
With keywords such as: electrode, battery, layer, portion, surface, negative, including, material, active, and case in patent application abstracts.
Patent Applications by LG ENERGY SOLUTION, LTD.
20250099792. BATTERY MODULE_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Han Young LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): A62C3/16, H01M50/209, H01M50/507
CPC Code(s): A62C3/16
Abstract: a battery module of the present disclosure may include: a first group including a plurality of battery cells arranged in a row; a second group spaced apart from the first group and including a plurality of battery cells arranged in a row; a third group including a plurality of battery cells arranged in a row between the first group and the second group; a fourth group spaced apart from the third group and including a plurality of battery cells arranged in a row between the first group and the second group; a fire extinguishing member disposed in a space between the third group and the fourth group; and a case accommodating the first to fourth groups and the fire extinguishing member.
Inventor(s): Ho Jun Choi of Daejeon KR for lg energy solution, ltd., Byeong Won Lee of Daejeon KR for lg energy solution, ltd., Sung Sang Kwon of Daejeon KR for lg energy solution, ltd., Gyu Sun Lee of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B05C11/10, H01M4/04
CPC Code(s): B05C11/1042
Abstract: an electrode slurry transfer system, including: a mixer storage tank for storing an electrode slurry discharged from a mixer; a first transfer tank for storing a high temperature slurry and connected to the mixer storage tank by a first transfer pipe branched in parallel; a second transfer tank for storing a low temperature slurry and connected to the mixer storage tank by a first transfer pipe branched in parallel; a coater supply tank configured to receive a high temperature slurry and a low temperature slurry from the first and second transfer tanks, respectively, and to supply an electrode slurry mixture thereof to a coater; a flow rate regulating portion configured to regulate a transfer flow rate of a high temperature slurry introduced into the coater supply tank from the first transfer tank, and a transfer flow rate of a low temperature slurry introduced into the coater supply tank from the second transfer tank, respectively; and a control portion for controlling a temperature of the electrode slurry in the coater supply tank.
Inventor(s): Kwooman Cho of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B32B41/00, B32B38/18
CPC Code(s): B32B41/00
Abstract: the present invention discloses a lamination device and a control method thereof. the lamination device of the present invention includes a plurality of calibration marks disposed on an upper gripper, a vision camera configured to capture an image of the plurality of calibration marks, a correction driving unit connected to a lower gripper and the upper gripper to correct a height of each of the lower gripper and the upper gripper, and a control unit configured to read the plurality of calibration marks to calculate a positional deviation between an actual position of the upper gripper and a preset allowable position range, and move the lower gripper and the upper gripper to correct the positional deviation.
Inventor(s): Sunggun LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B60L53/80, B60L53/51, B60L53/52, B63B35/00, B63B35/44, G05D1/661, G05D1/667, G05D105/00, G05D107/00, G05D109/30
CPC Code(s): B60L53/80
Abstract: there is disclosed an exchangeable marine energy storage system including a mobile battery configured to be used as a power source of the operating ship after replaced with a mounted battery mounted on an operating ship; a mobile charging ship configured to move in a state of loading the mobile battery; and a charging station configured to float on the sea together with the mobile charging ship and charge the mobile battery loaded on the mobile charging ship by using generated electricity.
20250100818. Adsorption Apparatus_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Ji Ho Yun of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B65G59/04, H01M50/211
CPC Code(s): B65G59/04
Abstract: disclosed herein is an adsorption device that adsorbs battery cells loaded in a loading bin and sequentially removes and transports the battery cells. the adsorption device includes a base plate capable of moving vertically and horizontally; a suction unit coupled to the base plate for adsorbing a battery cell located at a lower part of the base plate; and a push unit coupled to the base plate for striking the battery cell to produce a vibration in the battery cell adsorbed by the suction unit. the push unit includes a rod that is lifted up and down and strikes the top surface of the adsorbed battery cell to the lower end part, and the rod descends by the elastic force of a spring.
Inventor(s): Byeong Oh Jeong of Daejeon KR for lg energy solution, ltd., Seung Jae Won of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B66C17/06, B65B69/00, B66C1/34, B66C13/06, B66C13/16, B66C13/46
CPC Code(s): B66C17/06
Abstract: an automation device for packaging bag transport and input, includes: a rail disposed above a certain height in a horizontal direction; a hanger mounted on the rail to be capable of reciprocating in the horizontal direction, and enabling to reciprocate a packaging bag mounted at the lower end thereof in a vertical direction; a hopper disposed at the bottom of the rail and into which raw materials inside the packaging bag moved by the hanger are introduced; a hit post disposed near an inlet of the hopper and resolving an agglomeration phenomenon of the raw materials as the packaging bag is hit by the vertical direction reciprocation of the hanger; and grippers blocking the discharge of the raw materials by gripping the bottom of the packaging bag in which the input of the raw materials to the hopper is completed.
Inventor(s): Sunghyun NAM of Daejeon KR for lg energy solution, ltd., Hyeaeun HAN of Daejeon KR for lg energy solution, ltd., Dong Kyu KIM of Daejeon KR for lg energy solution, ltd.
IPC Code(s): C08G75/045, H01M10/052, H01M10/056, H01M10/0565
CPC Code(s): C08G75/045
Abstract: the present invention relates to a method for preparing a composite solid electrolyte having high ionic conductivity and capable of continuous process and mass production.
Inventor(s): Ji Won Bang of for lg energy solution, ltd.
IPC Code(s): G06F9/50, B60L58/10
CPC Code(s): G06F9/5094
Abstract: a vehicle includes a battery and a computing system that analyzes a first calculation related to driving control of the vehicle and a second calculation related to energy management of the vehicle, obtains driving information related to driving of the vehicle, and manages processing of the first calculation and the second calculation based on the driving information.
Inventor(s): Young Kyu OH of Daejeon KR for lg energy solution, ltd.
IPC Code(s): G06F13/42, G06F13/40
CPC Code(s): G06F13/4282
Abstract: a battery management apparatus according to an embodiment disclosed herein includes a microcontroller unit (mcu) for identifying whether a modbus-communication connector is connected, identifying whether a controller area network (can)-communication connector is connected, and configuring a communication protocol based on identification results of the first identifying unit and the second identifying unit.
Inventor(s): Jong Su Yoon of Daejeon KR for lg energy solution, ltd., Taek Soo Lee of Daejeon KR for lg energy solution, ltd., Jin Ho Cho of Daejeon KR for lg energy solution, ltd., Shin Wook Jeon of Daejeon KR for lg energy solution, ltd., Young Gon Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/04, G01B21/22, H01F7/02, H01M4/02, H01M4/1393, H01M4/583
CPC Code(s): H01M4/0404
Abstract: a magnetic alignment device includes a first magnet part and a second magnet part, an alignment measuring part, and a control part. the first and second magnet parts accommodate an electrode sheet therebetween and the alignment measuring part measures an alignment of the carbon-based negative electrode active material with respect to the negative electrode current collector. the control part adjusts the separation distance of the first and second magnet parts based on a degree of the alignment of a carbon-based negative electrode active material. the alignment of the negative electrode active layer dried with the magnetically aligned carbon-based negative electrode active material is measured in real time, and the strength of the magnetic field can be controlled by individually adjusting the spacing distance of the unit magnets according to the alignment of the carbon-based negative electrode active material measured. a method of manufacturing the same is also provided.
Inventor(s): Joon Sun Park of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/04, B05C5/02
CPC Code(s): H01M4/0411
Abstract: a die coater includes a first block having an insulating liquid inlet and a second block on the first block. a shim assembly is interposed between the first block and the second block and configured to form a first slit and a second slit separated from each other. the first block includes a fixing portion having a fixing flow path therein that is a transfer path for insulating liquid flowed in through the insulating liquid inlet, and also includes a lip block configured to be coupled to and detachable from the fixing portion and being a front end of the first block. the lip block has an insulating liquid flow path that is connected to the fixing flow path, and is a transfer path for insulating liquid flowed in through the fixing flow path.
Inventor(s): Dong-Mok Shin of Daejeon KR for lg energy solution, ltd., Sang-Min Keak of Daejeon KR for lg energy solution, ltd., Dong-Oh Shin of Daejeon KR for lg energy solution, ltd., Kwang-Ho Yoo of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/04, B60L50/64, H01M4/62, H01M10/0525
CPC Code(s): H01M4/0435
Abstract: disclosed is a method for manufacturing a dry electrode. the method includes buffing the surface of a pre-electrode film formed in a sheet-like shape to remove the surface waviness in the manufacture of an electrode film, and then carrying out a calendering process, thereby ensuring the uniformity of the electrode film thickness and electrode active material density in the electrode film. in other words, it is possible to minimize a deviation in loading amount, porosity and thickness of the electrode depending on the location, and thus to provide improved overall electrochemical performance, including improved battery life characteristics.
Inventor(s): Taek Soo Lee of Daejeon KR for lg energy solution, ltd., Jin Ho Cho of Daejeon KR for lg energy solution, ltd., Jong Su Yoon of Daejeon KR for lg energy solution, ltd., Shin Wook Jeon of Daejeon KR for lg energy solution, ltd., Young Gon Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/133, H01M4/02, H01M10/052
CPC Code(s): H01M4/133
Abstract: a negative electrode for a lithium secondary battery in which lithium precipitation is suppressed. the negative electrode has a form in which a high degree of alignment of a carbon-based active material contained in a sliding portion of the negative electrode active layer is realized. accordingly, the negative electrode has an excellent effect of suppressing lithium precipitation at the end of the negative electrode active layer during charging and discharging of the secondary battery, so that a lithium secondary battery including the negative electrode has high safety and can be charged and discharged for a long time under high rate conditions. a lithium secondary battery including the negative electrode is also provided.
20250105254. Negative Electrode and Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Kyutae Park of Daejeon KR for lg energy solution, ltd., Wonhee Jung of Daejeon KR for lg energy solution, ltd., Minsoo Kim of Daejeon KR for lg energy solution, ltd., Shulkee Kim of Daejeon KR for lg energy solution, ltd., Lilin Piao of Daejeon KR for lg energy solution, ltd., Sora Baek of Daejeon KR for lg energy solution, ltd., Kwang Ho Yoo of Daejeon KR for lg energy solution, ltd., Gyeongseop Lee of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/133, H01M4/02, H01M4/13, H01M4/134, H01M4/36, H01M4/38, H01M4/48, H01M4/525, H01M4/587, H01M10/0525
CPC Code(s): H01M4/133
Abstract: a negative electrode for a secondary battery, includes a current collector, a first negative electrode active material layer, and a second negative electrode active material layer. the first negative electrode active material layer is provided on the current collector and includes a silicon carbon composite. the second negative electrode active material layer is provided on the first negative electrode active material layer and includes a silicon oxide. a secondary battery including the same is also provided.
20250105298. ELECTRODE AND ELECTRODE ASSEMBLY_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Youngjin JUN of Daejeon KR for lg energy solution, ltd., Minkyung KIM of Daejeon KR for lg energy solution, ltd., Hyosik KIM of Daejeon KR for lg energy solution, ltd., Hyeri JUNG of Daejeon KR for lg energy solution, ltd., Jong Keon YOON of Daejeon KR for lg energy solution, ltd., Jiyong SOON of Daejeon KR for lg energy solution, ltd., Sungjoong KANG of Daejeon KR for lg energy solution, ltd., Dong Kyu KIM of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/62, H01M4/02
CPC Code(s): H01M4/623
Abstract: an electrode capable of improving high-temperature safety and life characteristic of lithium secondary batteries, and an electrode assembly including the same are provided. the electrode includes an electrode active material layer and a coating layer formed on the electrode active material layer, the coating layer including polymer particles, a dispersant, and a binder, and the binder includes at least one selected from the group consisting of polyvinylidenefluoride (pvdf), polyvinyl alcohol (pva), starch, hydroxypropyl cellulose, regenerated cellulose, polyvinylpyrrolidone (pvp), polyethylene (pe), polypropylene, ethylene-propylene-diene polymer, and a sulfonated ethylene-propylene-diene polymer.
20250105338. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Kyutae Park of Daejeon KR for lg energy solution, ltd., Wonhee Jung of Daejeon KR for lg energy solution, ltd., Minsoo Kim of Daejeon KR for lg energy solution, ltd., Shulkee Kim of Daejeon KR for lg energy solution, ltd., Lilin Piao of Daejeon KR for lg energy solution, ltd., Sora Baek of Daejeon KR for lg energy solution, ltd., Kwang Ho Yoo of Daejeon KR for lg energy solution, ltd., Gyeongseop Lee of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/052, H01M4/36, H01M4/48, H01M4/525, H01M4/587, H01M10/0567
CPC Code(s): H01M10/052
Abstract: a lithium secondary battery includes a positive electrode, a separator, a negative electrode, and an electrolyte, in which the positive electrode includes a lithium composite transition metal compound including nickel (ni) and cobalt (co), the negative electrode includes a mixed negative electrode active material of a silicon-based active material and a carbon-based active material, the electrolyte includes fluoroethylene carbonate, and the efficiency constants of the mixed negative electrode active material and the lithium composite transition metal compound and the part by weight of the fluoroethylene carbonate satisfy a specific equation.
Inventor(s): Joon Sup Kang of Daejeon KR for lg energy solution, ltd., Nak Gi Sung of Daejeon KR for lg energy solution, ltd., Sung Tae Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/42, G01N23/04, G01N23/18, H01M10/04, H01M50/466
CPC Code(s): H01M10/4285
Abstract: a stack cell for easy confirmation of separator folding, includes a plurality of electrodes, a separator disposed between two adjacent electrodes, and a mark formed of a radio-opaque material through which no radiation ray is transmitted, and provided at an edge region of the separator, where the folding of the separator can be easily determined through the position information of the mark through which no radiation ray is transmitted.
Inventor(s): Seol Hee KIM of Daejeon KR for lg energy solution, ltd., Min Kyu SIM of Daejeon KR for lg energy solution, ltd., Wi Dae PARK of Daejeon KR for lg energy solution, ltd., Jung Youn JUNG of Daejeon KR for lg energy solution, ltd., In Bong BAE of Daejeon KR for lg energy solution, ltd., Min Su KIM of Daejeon KR for lg energy solution, ltd., Jong Seok PARK of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/42, G01B11/00
CPC Code(s): H01M10/4285
Abstract: a battery monitoring system includes at least one memory configured to store a first coordinate-related data set in which coordinate data indicating a position of an electrode moved in each of a plurality of processes is connected with inspection data and/or measurement data of the electrode obtained in the plurality of processes, and an identification data set including an electrode identifier (id) identifying the electrode. the battery monitoring system further includes at least one processor configured to connect the electrode id with the coordinate data of the first coordinate-related data set corresponding to the electrode id, and send monitoring data for the electrode, based on data about the connection of the electrode id with the coordinate data.
Inventor(s): Min Hyeong Kang of Daejeon KR for lg energy solution, ltd., Sang Hun Kim of Daejeon KR for lg energy solution, ltd., Hyung Kyun Yu of Daejeon KR for lg energy solution, ltd., Soo Ji Hwang of Daejeon KR for lg energy solution, ltd., Dae Woong Song of Daejeon KR for lg energy solution, ltd., Hun Hee Lim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/129, H01M50/105, H01M50/119, H01M50/121, H01M50/133
CPC Code(s): H01M50/129
Abstract: disclosed herein is a high-strength battery case with improved crack resistance during molding and greater protection against external impact. the battery case may be composed a pouch-type battery case with a pouch film laminate body including a gas barrier layer, a base layer on one surface and a sealant layer on the other surface of the gas barrier layer. at least one cup portion of the battery case can have a recessed shape so as to accommodate an electrode assembly, and a terrace positioned in at least a portion of the circumference of the cup portion. the cup portion may includes a bottom surface and a plurality of circumference surfaces surrounding the bottom surface. a thickness of the gas barrier layer is may be greater than 30 �m at a corner at which the bottom surface comes in in contact with a pair of circumferences adjacent to each other.
20250105413. BATTERY SUBMODULE_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Ki-Taek JUNG of Daejeon KR for lg energy solution, ltd., Hye-Mi JUNG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/211, H01M50/224, H01M50/249, H01M50/276, H01M50/502, H01M50/569
CPC Code(s): H01M50/211
Abstract: a battery submodule may include a plurality of battery cells each having at least one electrode lead protruding toward the front and stacked in the left-right direction; an upper case including a front plate that covers the front side of the plurality of battery cells and a top plate that extends rearward from the front plate and covers the upper side of the plurality of battery cells; and a lower case coupled to the upper case and accommodating the plurality of battery cells together with the upper case.
Inventor(s): Sung-Hwan JANG of Daejeon KR for lg energy solution, ltd., Kwang-Mo KIM of Daejeon KR for lg energy solution, ltd., Jun-Yeob SEONG of Daejeon KR for lg energy solution, ltd., Jung-Hoon LEE of Daejeon KR for lg energy solution, ltd., Hye-Mi JUNG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/342, H01M50/249, H01M50/262, H01M50/273
CPC Code(s): H01M50/3425
Abstract: a battery module according to an embodiment of the present disclosure may include: a plurality of battery cells capable of being charged and discharged; a module case having an inner space surrounded by a plurality of surfaces and an opening leading to the inner space, the module case accommodating the plurality of battery cells in the inner space; and an end cover covering the opening of the module case, wherein the module case may include an open portion provided on a first surface among the plurality of surfaces and configured to be opened by gas generated from at least one of the plurality of battery cells accommodated in the inner space and discharge the gas in a direction away from the end cover.
Inventor(s): Ju-Hwan SHIN of Daejeon KR for lg energy solution, ltd., Jae-Hyun LEE of Daejeon KR for lg energy solution, ltd., Tae-Kyeong LEE of Daejeon KR for lg energy solution, ltd., Hyoung-Suk LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/367, H01M50/211, H01M50/249, H01M50/531, H01M50/591
CPC Code(s): H01M50/367
Abstract: a cell unit having a simple structure and excellent scalability and safety is provided. the cell unit includes at least one pouch-type cell, a unit case having an inner space in which the at least one pouch-type cell is accommodated, and a venting member disposed in the inner space of the unit case, the venting member including a venting passage therein and configured to discharge venting gas discharged from the at least one pouch-type cell.
Inventor(s): Sung-Hwan JANG of Daejeon KR for lg energy solution, ltd., Jun-Yeob SEONG of Daejeon KR for lg energy solution, ltd., Myung-Ki PARK of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/383, H01M50/204, H01M50/249, H01M50/367
CPC Code(s): H01M50/383
Abstract: there are provided a battery module configured to ensure structural stability in case of a thermal event, and a battery pack and a vehicle comprising the same.
Inventor(s): Sung-Hwan JANG of Daejeon KR for lg energy solution, ltd., Jun-Yeob SEONG of Daejeon KR for lg energy solution, ltd., Myung-Ki PARK of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/383, H01M50/204, H01M50/249, H01M50/367
CPC Code(s): H01M50/383
Abstract: the battery pack according to an aspect of the present disclosure includes a battery module having a venting path configured to prevent venting gas or flame from being vented toward a front side where a module terminal is disposed, and guide the venting of the venting gas or flame toward a rear side, wherein the venting path becomes wider as it goes to the rear side; and a pack housing accommodating the battery module.
Inventor(s): Hwan Ho SHIN of Daejeon KR for lg energy solution, ltd., Dong Hun BAE of Daejeon KR for lg energy solution, ltd., Ji Eun KIM of Daejeon KR for lg energy solution, ltd., Dong Wook SUNG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/42, C08F220/12, H01M50/403, H01M50/429, H01M50/434, H01M50/443, H01M50/446, H01M50/451, H01M50/489
CPC Code(s): H01M50/42
Abstract: disclosed is a separator for an electrochemical device capable of securing peel strength between a porous polymer substrate and an organic and inorganic composite porous layer and having excellent heat resistance. a manufacturing method thereof and an electrochemical device equipped with the separator are also disclosed. the separator according to one embodiment includes a porous polymer substrate and an organic and inorganic composite porous layer on at least one surface of the porous polymer substrate. the organic and inorganic composite porous layer includes inorganic particles and a particulate acrylic binder polymer, in which the particulate acrylic binder polymer has a crosslinked structure mediated by a benzophenone functional group.
Inventor(s): Seung Hyun LEE of Daejeon KR for lg energy solution, ltd., Min Ji KIM of Daejeon KR for lg energy solution, ltd., Hye Won KIM of Daejeon KR for lg energy solution, ltd., Dong Wook SUNG of Daejeon KR for lg energy solution, ltd., Kyung Ryun KA of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/446, H01M50/42, H01M50/443, H01M50/449, H01M50/491
CPC Code(s): H01M50/446
Abstract: disclosed is an electrochemical device separator and an electrochemical device including the same. the separator includes a porous polymer substrate and a porous organic/inorganic composite coating layer formed on at least one surface of the polymer substrate, in which the porous coating layer includes particulate binder resins and inorganic particles, and [content of binder particles in an upper portion of a porous coating layer before impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer before impregnation with electrolyte]−[content of binder particles in an upper portion of a porous coating layer after impregnation with electrolyte/content of binder particles in a central portion of a porous coating layer after impregnation with electrolyte] is 0.32 or less.
Inventor(s): Min Bum KIM of Daejeon KR for lg energy solution, ltd., Jong Pil JEON of Daejeon KR for lg energy solution, ltd., Hyoung Suk LEE of Daejeon KR for lg energy solution, ltd., Ju Hwan SHIN of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/505, H01M50/209, H01M50/258, H01M50/588, H01M50/591
CPC Code(s): H01M50/505
Abstract: discussed is a battery module including a battery cell stack in which a plurality of battery cells with electrode leads are stacked, bus bar frame assemblies coupled to the electrode leads, and side frames disposed on opposite sides of the battery cell stack, respectively, and coupled to the bus bar frame assemblies, in which one of the bus bar frame assemblies or the side frames include coupling projections and the other of the bus bar frame assemblies or the side frames may include insertion coupling portions, the bus bar frame assemblies and the side frames are coupled to each other by inserting the coupling projections into the insertion coupling portions, and both an upper surface and a lower surface of the battery cell stack, excluding surfaces thereof to which the side frames and the bus bar frame assemblies are coupled, are open.
Inventor(s): Jae-Won LIM of Daejeon KR for lg energy solution, ltd., Hak-Kyun KIM of Daejeon KR for lg energy solution, ltd., Je-Jun LEE of Daejeon KR for lg energy solution, ltd., Ji-Min JUNG of Daejeon KR for lg energy solution, ltd., Su-Ji CHOI of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/533, B60L50/64, H01M10/04, H01M50/107, H01M50/152, H01M50/167, H01M50/186, H01M50/536
CPC Code(s): H01M50/533
Abstract: a current collector, which electrically connects an electrode assembly and a battery housing included in a cylindrical battery, is provided. the current collector includes a loop-shaped portion configured to surround a periphery of a central axis of the electrode assembly to define an opening region that exposes the first electrode tab; a tab coupling portion configured to extend toward the opening region from an inner side of the loop-shaped portion adjacent to the opening region and coupled with the first electrode tab exposed through the opening region; and a housing coupling portion configured to extend toward the inner circumference of the battery housing from an outer side of the loop-shaped portion and coupled with the battery housing.
Inventor(s): Gi-Su PARK of Daejeon KR for lg energy solution, ltd., Jae-Gil LEE of Daejeon KR for lg energy solution, ltd., Dong-Seok SHIN of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/54, H01M50/533, H01M50/534, H01M50/586
CPC Code(s): H01M50/54
Abstract: a battery cell capable of preventing breakage of electrode tabs protruding from electrodes and a short circuit between the electrode tabs and surrounding electrodes, and reducing resistance between the electrode tabs and the electrode leads, a battery module including the same and a battery pack including the battery module are provided. the battery cell includes an electrode assembly including electrodes and an electrode tab stacking portion in which electrode tabs protruding from the electrodes are aligned and stacked in a vertical direction; and an electrode lead including a lead coupling portion surrounding at least a portion of the electrode tab stacking portion, wherein the lead coupling portion continuously surrounds and contacts three of an upper surface of the electrode tab stacking portion, a first side surface connected to the upper surface, and a second side surface opposite to the first side surface, or three of the upper surface, the first side surface, and a lower surface opposite to the upper surface, and the remaining one of the lower surface or the second side surface is exposed.
Inventor(s): Soon Hyung Choi of Daejeon KR for lg energy solution, ltd., Dong In Choi of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/636, H01M10/04, H01M10/44, H01M50/105, H01M50/178
CPC Code(s): H01M50/636
Abstract: provided is a secondary battery comprising: an electrode assembly; a battery case which accommodates the electrode assembly; a first electrolyte which is accommodated in the battery case and primarily impregnates the electrode assembly; and a reinforcement electrolyte member which comprises a packaging material and a second electrolyte, wherein the packaging material is accommodated in the battery case and provided with an oxidation part which is oxidized and decomposed at a set voltage, and the second electrolyte is stored in the packaging material, released to the outside of the packaging material due to the decomposition of the oxidation part, and secondarily impregnates the electrode assembly.
LG ENERGY SOLUTION, LTD. patent applications on March 27th, 2025
- LG ENERGY SOLUTION, LTD.
- A62C3/16
- H01M50/209
- H01M50/507
- CPC A62C3/16
- Lg energy solution, ltd.
- B05C11/10
- H01M4/04
- CPC B05C11/1042
- B32B41/00
- B32B38/18
- CPC B32B41/00
- B60L53/80
- B60L53/51
- B60L53/52
- B63B35/00
- B63B35/44
- G05D1/661
- G05D1/667
- G05D105/00
- G05D107/00
- G05D109/30
- CPC B60L53/80
- B65G59/04
- H01M50/211
- CPC B65G59/04
- B66C17/06
- B65B69/00
- B66C1/34
- B66C13/06
- B66C13/16
- B66C13/46
- CPC B66C17/06
- C08G75/045
- H01M10/052
- H01M10/056
- H01M10/0565
- CPC C08G75/045
- G06F9/50
- B60L58/10
- CPC G06F9/5094
- G06F13/42
- G06F13/40
- CPC G06F13/4282
- G01B21/22
- H01F7/02
- H01M4/02
- H01M4/1393
- H01M4/583
- CPC H01M4/0404
- B05C5/02
- CPC H01M4/0411
- B60L50/64
- H01M4/62
- H01M10/0525
- CPC H01M4/0435
- H01M4/133
- CPC H01M4/133
- H01M4/13
- H01M4/134
- H01M4/36
- H01M4/38
- H01M4/48
- H01M4/525
- H01M4/587
- CPC H01M4/623
- H01M10/0567
- CPC H01M10/052
- H01M10/42
- G01N23/04
- G01N23/18
- H01M10/04
- H01M50/466
- CPC H01M10/4285
- G01B11/00
- H01M50/129
- H01M50/105
- H01M50/119
- H01M50/121
- H01M50/133
- CPC H01M50/129
- H01M50/224
- H01M50/249
- H01M50/276
- H01M50/502
- H01M50/569
- CPC H01M50/211
- H01M50/342
- H01M50/262
- H01M50/273
- CPC H01M50/3425
- H01M50/367
- H01M50/531
- H01M50/591
- CPC H01M50/367
- H01M50/383
- H01M50/204
- CPC H01M50/383
- H01M50/42
- C08F220/12
- H01M50/403
- H01M50/429
- H01M50/434
- H01M50/443
- H01M50/446
- H01M50/451
- H01M50/489
- CPC H01M50/42
- H01M50/449
- H01M50/491
- CPC H01M50/446
- H01M50/505
- H01M50/258
- H01M50/588
- CPC H01M50/505
- H01M50/533
- H01M50/107
- H01M50/152
- H01M50/167
- H01M50/186
- H01M50/536
- CPC H01M50/533
- H01M50/54
- H01M50/534
- H01M50/586
- CPC H01M50/54
- H01M50/636
- H01M10/44
- H01M50/178
- CPC H01M50/636