LG ENERGY SOLUTION, LTD. patent applications on December 12th, 2024

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Patent Applications by LG ENERGY SOLUTION, LTD. on December 12th, 2024

LG ENERGY SOLUTION, LTD.: 32 patent applications

LG ENERGY SOLUTION, LTD. has applied for patents in the areas of H01M4/02 (6), H01M10/42 (6), H01M50/204 (5), H01M4/36 (4), H01M50/383 (4) H01M50/383 (3), G01R31/396 (2), G01R31/3835 (2), H01M10/0404 (2), B21J15/12 (1)

With keywords such as: battery, electrode, part, surface, unit, upper, configured, including, plate, and cell in patent application abstracts.



Patent Applications by LG ENERGY SOLUTION, LTD.

20240408666. RIVETING APPARATUS CAPABLE OF PREVENTING FASTENING OMISSION AND RIVETING METHOD USING THE SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jun Beom CHO of Daejeon (KR) for lg energy solution, ltd., Choon Kwon KANG of Daejeon (KR) for lg energy solution, ltd., Young Seop KIM of Daejeon (KR) for lg energy solution, ltd., Jun Young PARK of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): B21J15/12, B21J15/02, B21J15/44

CPC Code(s): B21J15/12



Abstract: the present invention relates to a riveting apparatus capable of preventing fastening omission and a riveting method using the same, and more particularly to a riveting apparatus including a riveting unit, a moving unit connected to the riveting unit, the moving unit being configured to move the riveting unit, a first moving guide unit configured to guide the longitudinal movement of the moving unit, a pair of second moving guide units located at longitudinal opposite ends of the first moving guide unit, the pair of second moving guide units being configured to guide the transverse movement of the first moving guide unit, a first position sensor provided under one end of the first moving guide unit, and a second position sensor provided under one end of one of the pair of second moving guide units and a riveting method using the same.


20240408694. Ultrasonic Welding Apparatus and Electrode Assembly Manufactured Thereby_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Gi Hwan Kwon of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): B23K20/10, B23K101/36, H01M50/536, H01M50/54

CPC Code(s): B23K20/106



Abstract: an ultrasonic welding apparatus, configured to weld a plurality of electrode tabs of an electrode assembly to each other, includes an anvil disposed at one side of the plurality of electrode tabs; a horn disposed to face the anvil with the plurality of electrode tabs therebetween; and a protrusion part provided on at least one of the anvil and the horn to face the plurality of electrode tabs. the protrusion part may include: an inner protrusion part in which a plurality of first protrusions are arranged along a first direction parallel to a width direction of the electrode tabs; and a pair of outer protrusion parts which are disposed at both sides of the inner protrusion part in a second direction orthogonal to the first direction and in which a plurality of second protrusions are arranged an interval wider than that between the plurality of first protrusions.


20240408699. LASER WELDING APPARATUS AND WELDING METHOD USING THE SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jae Young JANG of Daejeon (KR) for lg energy solution, ltd., Jin Hyun LEE of Daejeon (KR) for lg energy solution, ltd., Jo Yeon HWANG of Daejeon (KR) for lg energy solution, ltd., Jae Kuk KWON of Daejeon (KR) for lg energy solution, ltd., Dae Ho JUNG of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): B23K26/21, H05K3/00

CPC Code(s): B23K26/21



Abstract: discussed is a laser welding apparatus including a lower jig, a laser welding unit configured to weld a metal and another metal to each other, the metal being disposed at an upper surface of a printed circuit board (pcb) disposed on the lower jig, and an upper jig configured to support at least one of at least a part of the upper surface of the pcb, at least a part of an upper surface of the metal, and at least a part of an upper surface of the another metal, wherein: the upper jig is fixed such that the vertical position of the upper jig is constant, or when the upper jig is movable upwards and downwards, the upper jig is configured to be fixed at a specific position.


20240408999. Replaceable Battery Module_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Min Yong Jung of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): B60L53/80, H01M50/249, H01M50/264

CPC Code(s): B60L53/80



Abstract: a replaceable battery module related to one example of the present invention comprises a battery pack including a groove formed on an outer circumferential surface and a locking member elastically connected to the bottom surface of the groove, and a battery pack mounting part provided with a mounting space, in which the battery pack is detachably mounted, and a locking jaw which is locked and fixed with the locking member so that the position of the battery pack mounted in the mounting space is fixed.


20240409324. BATTERY MODULE TRANSFER JIG_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Tae Nam KIM of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): B65G47/28, B65G39/12

CPC Code(s): B65G47/28



Abstract: a battery module transfer jig can include a mounting unit extending in a first direction, a base plate supported by the mounting unit and extending in a second direction that intersects the first direction, and a plurality of transfer rollers on the base plate and arranged in a series in the second direction. each transfer roller can have a rotation axis that extends in the first direction. the battery module transfer jig can further include a winch disposed on the base plate and including a wire configured to be coupled to a battery module loaded in a battery module rack. the winch can separate the battery module from the battery module rack when the winch winds the wire.


20240410952. BATTERY MANAGEMENT APPARATUS AND OPERATING METHOD THEREOF_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Ju Young SUN of Daejeon (KR) for lg energy solution, ltd., Nak Choon LEE of Daejeon (KR) for lg energy solution, ltd., Ki Hun LEE of Daejeon (KR) for lg energy solution, ltd., Ju Yeon JEONG of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): G01R31/3835, H01M10/42, H01M10/48

CPC Code(s): G01R31/3835



Abstract: a battery management apparatus according to an embodiment disclosed herein includes a detecting unit configured to detect a voltage of a battery and a controller configured to determine a state of the battery based on cycle information related to a use cycle of the battery and an abnormal count value related to whether the voltage of the battery is abnormal.


20240410953. CYLINDRICAL BATTERY INCLUDING PRESSURE SENSOR, APPARATUS FOR MONITORING SWELLING PRESSURE THEREOF, AND BATTERY MANAGEMENT SYSTEM INCLUDING THE SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Yong-Hwan KWON of Daejeon (KR) for lg energy solution, ltd., Dong-Wook KIM of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): G01R31/3835, H01M10/04, H01M10/42, H01M10/48, H01M50/167

CPC Code(s): G01R31/3835



Abstract: a cylindrical battery includes an electrode assembly in which a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference; a battery housing having an open end and a closed portion opposing thereto; the battery housing being electrically connected to one of the first electrode and the second electrode; a sealing body configured to seal the open end of the battery housing; a terminal electrically connected to another of the first electrode and the second electrode; and a pressure sensor interposed between an outer circumference of the electrode assembly and an inner circumference of the battery housing and configured to sense a swelling pressure applied by the outer circumference of the electrode assembly to the inner circumference of the battery housing.


20240410958. BATTERY MANAGEMENT DEVICE AND METHOD_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jun Yeong KIM of Daejeon (KR) for lg energy solution, ltd., Dong Hyun KIM of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): G01R31/396, B60L58/22, G01R19/30, G01R31/367, G01R31/3835, G01R31/392

CPC Code(s): G01R31/396



Abstract: a battery management system includes a battery monitoring integrated circuit (bmic) that diagnoses a state of a battery, a first overvoltage detection unit that generates a first detection signal by comparing a battery voltage of the battery with a first reference voltage, a second overvoltage detection unit that generates a second detection signal by comparing the battery voltage with a second reference voltage different from the first reference voltage, and a micro controller unit (mcu) that controls the battery according to a diagnosis signal from the bmic and diagnoses an abnormality of an apparatus according to the first and second detection signals, and a battery management method.


20240410959. Apparatus And Method For Detecting Latent Defective Cell In Battery Pack_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Kyu-chul Lee of Daejeon (KR) for lg energy solution, ltd., Tae-Hyeok Jang of Daejeon (KR) for lg energy solution, ltd., Cheol-Taek Kim of Daejeon (KR) for lg energy solution, ltd., Jee-Soon Choi of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): G01R31/396, G01R31/36, G01R31/367, G01R31/3842

CPC Code(s): G01R31/396



Abstract: disclosed is an apparatus and method for detecting a latent defective cell in a battery pack. in the apparatus according to the present disclosure, during charging of the battery pack according to a charging profile having a plurality of charging ranges, for each of first to n-th cells in each charging range, a controller is configured to acquires first cell voltage time-series data (measured data) in a former part of each of the plurality of charging ranges. additionally, the controller is configured to determines predicted cell voltage time-series data in a latter part of each of the plurality of charging ranges by applying a deep learning model to the first cell voltage time-series data.


20240412663. VR-BASED SIMULATION METHOD AND DEVICE FOR SECONDARY BATTERY PRODUCTION_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Seungtae KIM of Daejeon (KR) for lg energy solution, ltd., Moo Hyun YOO of Daejeon (KR) for lg energy solution, ltd., Daewoon JUNG of Daejeon (KR) for lg energy solution, ltd., Youngduk KIM of Daejeon (KR) for lg energy solution, ltd., Nam Hyuck KIM of Daejeon (KR) for lg energy solution, ltd., Su Ho JEON of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): G09B19/24, G02B27/00, G02B27/01, G06F3/01

CPC Code(s): G09B19/24



Abstract: systems and methods for executing a virtual reality (vr)-based simulation for secondary battery production are disclosed. one method includes receiving a gaze direction and gaze location of a user identified from a hmd. content associated with a secondary battery production apparatus corresponding to the received gaze direction and gaze location is displayed on an area of a display of the hmd. user behavior information indicating a motion of the user determined from at least one of the hmd or a controller associated with the hmd is obtained. the content associated with the secondary battery production apparatus is executed based on the obtained user behavior information.


20240413319. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Seung Won Park of Daejeon (KR) for lg energy solution, ltd., Hyun Woo Park of Daejeon (KR) for lg energy solution, ltd., Yo Han Kwon of Daejeon (KR) for lg energy solution, ltd., Jae Wook Lee of Daejeon (KR) for lg energy solution, ltd., Chan Soo Jun of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M4/38, H01M4/02, H01M4/505, H01M10/052

CPC Code(s): H01M4/386



Abstract: a lithium secondary battery including a negative electrode including a negative electrode active material, a positive electrode including a positive electrode active material, a separator interposed between the negative electrode and the positive electrode, and an electrolyte, wherein the negative electrode active material includes silicon particles, the positive electrode active material includes an overlithiated manganese-based oxide represented by the disclosed formula 1, a si charge depth represented by the disclosed equation 1 is 30% to 60%, and a si discharge depth represented by the disclosed equation 2 is 10% or greater.


20240413325. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Min Wook LEE of Daejeon (KR) for lg energy solution, ltd., Joo Hwan SUNG of Daejeon (KR) for lg energy solution, ltd., Hee Chang YOUN of Daejeon (KR) for lg energy solution, ltd., Ju Young YUN of Daejeon (KR) for lg energy solution, ltd., Seok Jin OH of Daejeon (KR) for lg energy solution, ltd., Ji Min PARK of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M4/525, H01M4/02, H01M4/04, H01M4/36, H01M4/505, H01M4/583, H01M10/052, H01M10/0568, H01M50/204

CPC Code(s): H01M4/525



Abstract: the present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. the lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 v or greater, and vrepresented by equation (1) below is 4 mbar�ah−1�sec−1 or less: equation (1): v=�p/(t�c).


20240413328. LITHIUM SECONDARY BATTERY HAVING HIGH ENERGY DENSITY_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Da-Young Kang of Daejeon (KR) for lg energy solution, ltd., Bong-Soo Kim of Daejeon (KR) for lg energy solution, ltd., So-Young Kim of Daejeon (KR) for lg energy solution, ltd., Ji-Hoon Ahn of Daejeon (KR) for lg energy solution, ltd., Jung-Hoon Han of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M4/583, H01M4/02, H01M4/58, H01M10/04, H01M50/105

CPC Code(s): H01M4/583



Abstract: a lithium-sulfur battery having high energy density and a method for manufacturing the same are provided. the lithium-sulfur battery at depth of discharge (dod) 15% to dod 80% includes a compound having three or more characteristic peaks of diffraction angles (2� values) of x-ray diffraction (xrd) patterns selected from 7.1�0.2�, 9.0�0.2�, 9.4�0.2�, 9.6�0.2�, 9.9�0.2�, 10.0�0.2�, 10.4�0.2�, 11.0�0.2�, 11.6�0.2�, 12.1�0.2�, 13.3�0.2�, 14.5�0.2� and 15.0�0.2�.


20240413335. NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Ye Lin KIM of Daejeon (KR) for lg energy solution, ltd., Mi Ru JO of Daejeon (KR) for lg energy solution, ltd., Sung Bin PARK of Daejeon (KR) for lg energy solution, ltd., Seung Hwan JEONG of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M4/62, H01M4/02, H01M4/133, H01M4/36, H01M4/48, H01M4/587

CPC Code(s): H01M4/622



Abstract: a negative electrode including: a negative electrode current collector; a first negative electrode active material layer on the negative electrode current collector, where the first negative electrode active material layer includes a first carbon-containing active material, a first silicon-containing active material, and a first binder; and a second negative electrode active material layer on the first negative electrode active material layer, where the second negative electrode active material layer includes a second carbon-containing active material, a second silicon-containing active material, and a second binder, wherein the first binder includes styrene-butadiene rubber, and the second binder includes a copolymer comprising an acrylamide-derived unit, an acrylic acid-derived unit, and an acrylonitrile-derived unit.


20240413372. Method And Apparatus For Manufacturing Unit Cell_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Joo Young Chung of Yuseong-gu Daejeon (KR) for lg energy solution, ltd., Sang Woo LEE of Yuseong-gu Daejeon (KR) for lg energy solution, ltd., Su Taek JUNG of Yuseong-gu Daejeon (KR) for lg energy solution, ltd., Sang Ho BAE of Yuseong-gu Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M10/04

CPC Code(s): H01M10/0404



Abstract: the present invention provides an apparatus for manufacturing a unit cell, in which a lower separator and an upper separator continuously move in a longitudinal direction, and the lower separator and the upper separator are cut between electrodes adjacent to each other in a process of manufacturing the unit, which is provided in a state in which the electrodes are stacked between the lower separator and the upper separator and on the upper separator, respectively, the apparatus comprising: a fixed part disposed under the lower separator and heated to a predetermined temperature; a movable part aligned with the fixed part in a vertical direction on the upper separator; and a cutter coupled to the movable part, heated to a predetermined temperature, and configured to cut the upper separator and the lower separator, wherein the lower separator and the upper separator are thermally fused between the fixed part and the movable part and cut by the cutter while passing between the fixed part and the movable part.


20240413373. Electrode Connection Device_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Woo Jung Choi of Daejeon (KR) for lg energy solution, ltd., Seung Hyeun Chae of Daejeon (KR) for lg energy solution, ltd., Hyung Mook Jung of Daejeon (KR) for lg energy solution, ltd., Hee Seung Wang of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M10/04

CPC Code(s): H01M10/0404



Abstract: an electrode connection device includes a first electrode supply part, a second electrode supply part, a photographing part, an aligning part, and a connection part. the second electrode supply part supplies a second electrode to the first electrode supply part when a supply amount of the first electrode is below a certain level. the photographing part photographs a connection target region of the first electrode and a connection target region of the second electrode and the aligning part aligns the connection target regions of the first and second electrodes. the connection part connects the connection target regions of the first and second electrodes when in an aligned state. a method including the same is also provided.


20240413380. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Min Wook Lee of Daejeon (KR) for lg energy solution, ltd., Ju Young Yun of Daejeon (KR) for lg energy solution, ltd., Seok Jin Oh of Daejeon (KR) for lg energy solution, ltd., Joo Hwan Sung of Daejeon (KR) for lg energy solution, ltd., Hee Chang Youn of Daejeon (KR) for lg energy solution, ltd., Ji Min Park of Daejeon (KR) for lg energy solution, ltd., Jin Young Park of Daejeon (KR) for lg energy solution, ltd., Hye In Ko of Daejeon (KR) for lg energy solution, ltd., Ran Eun Lee of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M10/052, H01M4/02, H01M4/131, H01M4/133, H01M4/36, H01M4/525, H01M4/587, H01M4/62, H01M10/0568, H01M50/204

CPC Code(s): H01M10/052



Abstract: the present disclosure relates to a lithium secondary battery with improved safety during thermal runaway. the lithium secondary battery includes a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte, and has a nominal voltage of 3.68 v or greater, and vrepresented by equation (1) below measured after manufacturing a test module by stacking four of the lithium secondary battery fully charged by being charged to 4.35 v is 4 ah/sec or less: equation (1): v=c/t.


20240413406. SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Yeong Ha KIM of Daejeon (KR) for lg energy solution, ltd., So Mi JEONG of Daejeon (KR) for lg energy solution, ltd., Yeo Ju YOON of Daejeon (KR) for lg energy solution, ltd., Seong Jun KIM of Daejeon (KR) for lg energy solution, ltd., Ji Hyun BANG of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M10/42, H01M10/52, H01M50/414, H01M50/42, H01M50/446, H01M50/449, H01M50/489

CPC Code(s): H01M10/4235



Abstract: the present invention provides a separator for an electrochemical device includes a porous polymer substrate, and a porous coating layer formed on at least one surface of the porous polymer substrate, wherein the porous coating layer includes a polymer binder, and inorganic particles whose surface is modified with one or more compounds selected from the group consisting of coumarin and a derivative thereof.


20240413413. BATTERY CONTROL APPARATUS FOR RESPONDING TO ABNORMAL COMMUNICATION SITUATION AND ENERGY STORAGE SYSTEM INCLUDING SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jeong Seok PARK of Daejeon (KR) for lg energy solution, ltd., Youngdoo SONG of Daejeon (KR) for lg energy solution, ltd., Yunseong HWANG of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M10/42, H01M10/48

CPC Code(s): H01M10/425



Abstract: an energy storage system may include a plurality of battery management systems (bmss) provided in correspondence to a plurality of batteries, respectively; and an upper control apparatus for collecting state information on the plurality of batteries from the plurality of bmss and for monitoring and controlling the plurality of batteries based on the collected state information. here, the upper control apparatus may upon the state information of a first battery being not received from a first bms due to a loss of communication, select one or more second batteries among batteries connected in parallel with the first battery based on previously stored history information of batteries and estimate state information of the first battery based on the state information of the one or more second batteries.


20240413426. ENDOTHERMIC POUCH ASSEMBLY FOR SECONDARY BATTERIES_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Yong Ho LEE of Daejeon (KR) for lg energy solution, ltd., Jin Kyu LEE of Daejeon (KR) for lg energy solution, ltd., Won Pill HWANG of Daejeon (KR) for lg energy solution, ltd., Doo Han YOON of Daejeon (KR) for lg energy solution, ltd., Chang Keun SON of Daejeon (KR) for lg energy solution, ltd., Sun Jae KIM of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M10/653, H01M50/105, H01M50/131, H01M50/342, H01M50/383

CPC Code(s): H01M10/653



Abstract: an endothermic pouch assembly includes an endothermic pouch with liquid-impregnated absorbent material sealed inside, and a pouch cartridge including a pair of rim frames that bind a heat-fusion sealing portion formed along the rim of the endothermic pouch at both sides.


20240413438. Battery Cell and Battery Module Comprising the Same_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Min Yong Jung of Daejeon (KR) for lg energy solution, ltd., Hee Gyu Kim of Daejeon (KR) for lg energy solution, ltd., Bum Choi of Daejeon (KR) for lg energy solution, ltd., Jong Yoon Keum of Daejeon (KR) for lg energy solution, ltd., Jae Heon Chung of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/145, H01M10/613, H01M10/6567, H01M50/119, H01M50/124, H01M50/24

CPC Code(s): H01M50/145



Abstract: the present disclosure relates to a battery cell and a battery module comprising the same, and relates, particularly, to a direct water-cooling battery cell and a direct water-cooling battery module comprising the same. according to the present disclosure, the corrosion resistance of the battery cell can be improved by using a sacrificial metal having a higher metal ionization tendency than that of a battery cell case, and the heat of the battery cell can be cooled by using general cooling water for vehicles.


20240413445. CYLINDRICAL BATTERY, AND BATTERY PACK AND VEHICLE INCLUDING THE SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Kwang-Su HWANGBO of Daejeon (KR) for lg energy solution, ltd., Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/188, H01M4/02, H01M4/36, H01M4/38, H01M4/525, H01M4/583, H01M4/62, H01M50/107, H01M50/179, H01M50/46, H01M50/567

CPC Code(s): H01M50/188



Abstract: disclosed is a battery, which includes an electrode assembly; a battery housing configured to accommodate the electrode assembly through an open portion and electrically connected to the electrode assembly; a battery terminal configured to penetrate a closed portion of the battery housing and electrically connected to the electrode assembly; and a cap plate configured to cover the open portion, wherein the first electrode of the electrode assembly includes at least one insulation layer configured to simultaneously cover at least a part of the first uncoated portion and at least a part of the first coated portion, and at least a part of the first uncoated portion is used as an electrode tab by itself.


20240413464. BATTERY PACK AND METHOD FOR MANUFACTURING BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Ki Young KIM of Daejeon (KR) for lg energy solution, ltd., Ju Hwan SHIN of Daejeon (KR) for lg energy solution, ltd., Jae Hyun LEE of Daejeon (KR) for lg energy solution, ltd., Bo Ra JEON of Daejeon (KR) for lg energy solution, ltd., Hyoung Suk LEE of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/262, H01M10/613, H01M10/625, H01M10/6568, H01M50/204

CPC Code(s): H01M50/262



Abstract: discussed is a battery pack including a base plate on which battery modules are mounted; a front frame coupled to a front end of the base plate; a rear frame coupled to a rear end of the base plate; and side frames coupled to opposite sides of the base plate, respectively, wherein the base plate has a size that is less than a size of the module mounting region, and forms only a portion of the module mounting region, and wherein each of the side frames includes: a side wall part facing the battery modules, and a first extension part extending from a lower portion of the side wall part toward the base plate and coupled to a side surface of the base plate, and the first extension part supporting a load of the battery modules and forming the module mounting region together with the base plate.


20240413470. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jae Hyun LEE of Daejeon (KR) for lg energy solution, ltd., Ju Hwan SHIN of Daejeon (KR) for lg energy solution, ltd., Hyoung Suk LEE of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/291, H01M50/204, H01M50/242, H01M50/262

CPC Code(s): H01M50/291



Abstract: discussed is a pack case including a module area where a cell stack is placed, wherein the pack case includes a base plate that supports a lower portion of the cell stack, a main partition wall extending across the base plate and perpendicularly coupled to a central portion of the base plate, a side wall perpendicularly coupled to an edge of the base plate along a perimeter of the base plate, and an auxiliary partition wall of which opposite ends are coupled to the main partition wall and the side wall, respectively, and which includes a pair of reinforcement plates coupled to each other, and a reinforcement plate of the pair of reinforcement plates includes a plurality of reinforcement ribs protruding and extending in a longitudinal direction of the reinforcement plate.


20240413478. Battery Pack and Vehicle Including the Same_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jin-Yong Park of Daejeon (KR) for lg energy solution, ltd., Woo-Yong Kwon of Daejeon (KR) for lg energy solution, ltd., Seung-Joon Kim of Daejeon (KR) for lg energy solution, ltd., In-Soo Kim of Daejeon (KR) for lg energy solution, ltd., Ho-June Chi of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/383, B60L50/64, H01M50/211, H01M50/271, H01M50/291, H01M50/358

CPC Code(s): H01M50/383



Abstract: provided is a battery pack configured to ensure structural stability even when a thermal event occurs and a vehicle including the battery pack. a battery pack according to an aspect of the present disclosure includes battery cells stacked along a left-right direction including electrode leads extending along a front-back direction, a pack case in which the battery cells are accommodated, and a partition wall extending along the left-right direction between the pack case and the battery cells the partition wall is closed in the front-back direction and being open in the left-right direction.


20240413479. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Sung-Hwan JANG of Daejeon (KR) for lg energy solution, ltd., Jun-Yeob SEONG of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/383, B60R16/033, H01M50/211, H01M50/342, H01M50/367, H01M50/474, H01M50/477

CPC Code(s): H01M50/383



Abstract: a battery pack has structure for improving energy density and enhancing safety against a thermal event in a battery cell or a cell assembly. the battery pack includes a cell assembly including n battery cells where n is a natural number of 1 or greater; a cell case accommodating the cell assembly; and a pack housing having an internal space in which the at least one cell case is received.


20240413480. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Jae Hyun LEE of Daejeon (KR) for lg energy solution, ltd., Ju Hwan SHIN of Daejeon (KR) for lg energy solution, ltd., Hyoung Suk LEE of Daejeon (KR) for lg energy solution, ltd., Jong Hwa CHOI of Daejeon (KR) for lg energy solution, ltd., Nam Hoon HUR of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/383, H01M50/204, H01M50/30, H01M50/342, H01M50/367, H01M50/375

CPC Code(s): H01M50/383



Abstract: a battery pack includes a lower case; an upper case coupled to the lower case; venting holes provided in at least one of a side wall of the lower case and the upper case; a sealing member on at least one of the side wall of the lower case and the upper case to cover the venting holes, and deformed under predetermined pressure and/or at a predetermined temperature to open the venting holes; and a flame control block mounted on at least one of an inner surface of the side wall of the lower case and an inner surface of the upper case to cover the venting holes and the sealing member, and including a flame blocking surface with a plurality of flame discharge holes and an inner space that communicates with the flame discharge holes and that is open toward the venting hole and the sealing member.


20240413484. METHOD FOR MANUFACTURING ELECTROCHEMICAL DEVICE SEPARATOR_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): So Yeong LEE of Daejeon (KR) for lg energy solution, ltd., Won Sik BAE of Daejeon (KR) for lg energy solution, ltd., So Mi JEONG of Daejeon (KR) for lg energy solution, ltd., Byeong Kyu LEE of ByeongKyu (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/403, H01M50/417, H01M50/42, H01M50/426, H01M50/443, H01M50/446, H01M50/46, H01M50/491

CPC Code(s): H01M50/403



Abstract: the present disclosure relates to a method for manufacturing a separator for an electrochemical device, which includes (s1) preparing a coating slurry including a polymer binder, inorganic particles, and a dispersion medium; (s2) heating at least one surface of a porous substrate; and (s3) applying the coating slurry prepared in the step (s1) to the at least one surface of the porous substrate heated in the step (s2) to form a porous coating layer, wherein the porous coating layer includes an area, where the polymer binder is filmed, in at least a portion of the surface in contact with the porous substrate.


20240413491. Seam Welding Structure of Battery Can, Current Collecting Plate, and Cap and Battery Cell Using the Same_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Dongsung Hwang of Daejeon (KR) for lg energy solution, ltd., Sungmin Cho of Daejeon (KR) for lg energy solution, ltd., Taerim Hong of Daejeon (KR) for lg energy solution, ltd., Jeongho Park of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/536, H01M50/107, H01M50/152, H01M50/169, H01M50/528, H01M50/533

CPC Code(s): H01M50/536



Abstract: a battery cell includes a current collector plate having an axially extending can connecting part that is press-fit within a sidewall member having a multi-stage inner circumferential surface with different inner diameters. the battery cell is manufactured by inserting a cap into an open end of the can such that an axial inner surface of the cap contacts an axially outer end surface of the can connecting part and such that an outer circumferential surface of the cap contacts the inner circumferential surface of the sidewall member. then a laser is irradiated in the axial direction on an area of the inner circumferential surface of the sidewall member and the outer circumferential surface of the cap in contact with one another, so as to form a triple welding portion.


20240413502. Pouch-Shaped Secondary Battery Having Protective Film With Improved Adhesion and Method of Manufacturing the Same_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Min Ki Woo of Daejeon (KR) for lg energy solution, ltd., Chang Bum Anh of Daejeon (KR) for lg energy solution, ltd., Byung Man Choi of Daejeon (KR) for lg energy solution, ltd., Jea Bong Jung of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H01M50/586, H01M50/105, H01M50/474, H01M50/486, H01M50/536, H01M50/59

CPC Code(s): H01M50/586



Abstract: a pouch-shaped secondary battery includes a case configured to have a laminate sheet structure, an electrode assembly received in the case, an electrode tab extending from the electrode assembly, an electrode lead having one side connected to the electrode tab and the other side protruding out of the case, and a protective film located on an upper surface and a lower surface of a weld of the electrode tab and the electrode lead. the protective film includes an ethylene-vinyl acetate copolymer (eva)-based adhesive layer disposed in tight contact with the surface of the weld and a support layer located on one surface of the adhesive layer, the support layer being made of at least one of polypropylene (pp), cast polypropylene (cpp), or polyethylene terephthalate (pet). a method of manufacturing the pouch-shaped secondary battery is also provided.


20240413632. BATTERY RACK MANAGEMENT APPARATUS AND METHOD FOR OPERATING SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Seok Hyeong HAM of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H02J1/08, H01M10/42, H02J1/10

CPC Code(s): H02J1/084



Abstract: a battery rack management apparatus includes a plurality of power switches respectively connected to a plurality of battery racks; and a control unit configured to turn on at least one of the plurality of power switches and use output values based on the plurality of battery racks to control an operation of each of the plurality of power switches.


20240413661. SERIAL TYPE CHARGING AND DISCHARGING DEVICE, AND CHARGING AND DISCHARGING METHOD USING SAME_simplified_abstract_(lg energy solution, ltd.)

Inventor(s): Han Jin LEE of Daejeon (KR) for lg energy solution, ltd., Chan Hee LEE of Daejeon (KR) for lg energy solution, ltd., Min Young JANG of Daejeon (KR) for lg energy solution, ltd., Yeon Woo JEONG of Daejeon (KR) for lg energy solution, ltd., Chang Sin YEO of Daejeon (KR) for lg energy solution, ltd.

IPC Code(s): H02J7/00, G01R31/3835, H01M10/42, H01M10/44, H01M10/46, H01M10/48, H01M10/613, H01M10/6563, H05K7/20

CPC Code(s): H02J7/007182



Abstract: the series-type charging and discharging device according to the present technology for charging and discharging a plurality of battery cells in series, includes trays, a cooling fan, a power source, a charging and discharging control board, and a control unit, and the charging and discharging control algorithm includes a first to n (n is an integer from 2 to 10) charging and discharging steps, and each charging and discharging step is configured to charge and discharge in a constant current mode, but characterized in with a stepwise decrease in the value of the charging and discharging current.


LG ENERGY SOLUTION, LTD. patent applications on December 12th, 2024