LG Energy Solution, Ltd. patent applications on May 8th, 2025
Patent Applications by LG Energy Solution, Ltd. on May 8th, 2025
LG Energy Solution, Ltd.: 45 patent applications
LG Energy Solution, Ltd. has applied for patents in the areas of H01M4/02 (10), H01M10/04 (6), H01M50/105 (6), H01M4/04 (5), H01M10/052 (5) H01M10/0587 (3), H01M10/0404 (3), B01F35/71815 (1), H01M50/262 (1), H01M50/16 (1)
With keywords such as: electrode, battery, portion, part, assembly, including, configured, cell, pack, and side in patent application abstracts.
Patent Applications by LG Energy Solution, Ltd.
20250144585. Powder Transfer System_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Woong Ju Bang of Daejeon KR for lg energy solution, ltd., Jae Pil Koo of Daejeon KR for lg energy solution, ltd., Sung Jong Shin of Daejeon KR for lg energy solution, ltd., Jae Huoung Son of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B01F35/71, B01F35/221, B01F35/88
CPC Code(s): B01F35/71815
Abstract: the powder transfer system includes a transfer pipe, through which powder is transferred, having a plurality of sections along the powder transfer direction, a plurality of sensing units provided for each section of the transfer pipe and provided to detect vibration of the transfer pipe when the powder is transferred for each section, a plurality of vibration units provided to apply vibration to each section of the transfer pipe, and a control part provided to individually control operation of the vibration unit for each section of the transfer pipe based on vibration data obtained from the sensing unit for each section of the transfer pipe.
Inventor(s): Myoung Hun Han of Daejeon KR for lg energy solution, ltd., Jin Young Kim of Daejeon KR for lg energy solution, ltd., Won Seok Chang of Daejeon KR for lg energy solution, ltd., Nam Geol Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B21D39/02, H01M50/105, H01M50/186
CPC Code(s): B21D39/02
Abstract: the present invention relates to a pouch folding device for a secondary battery and a secondary battery, and the pouch folding device for the secondary battery, which folds a pouch including a body, in which an electrode assembly is accommodated, and a sealing part disposed on an edge of the body, includes: a side folding part configured to side-fold the sealing part of the pouch toward the body; and a corner folding part comprising a corner folding roller configured to press a corner portion at the side-folded sealing part to fold a corner toward the body, wherein the corner folding roller comprises a flat surface and an inclined surface, and the inclined surface of the corner folding roller during the pressing is disposed closer to the body than the flat surface.
20250145401. Position Roller for Web Meander Control_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Hee Moon Lee of Daejeon KR for lg energy solution, ltd., Jin Soo Lee of Daejeon KR for lg energy solution, ltd., Ki Su Kim of Daejeon KR for lg energy solution, ltd., Se Yong Na of Daejeon KR for lg energy solution, ltd., Sung Min Park of Daejeon KR for lg energy solution, ltd.
IPC Code(s): B65H23/038, B65H7/08
CPC Code(s): B65H23/038
Abstract: a position roller for meander control includes, in one example, a roller with a rotational axis; a first ball joint supporting a distal end among both ends of the rotational axis for pivotal movement; an xz driver that drives a proximal end among both ends of the rotational axis into two-dimensional motion in a plane; and a base supporting the first ball joint and the xz driver.
Inventor(s): Yee Gahng SONG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): G01R31/392, G01R31/367, G01R31/371, G01R31/382
CPC Code(s): G01R31/392
Abstract: a battery management apparatus according to an embodiment disclosed herein includes a data management unit configured to generate time period-specific life change information of a battery based on life (state of health (soh)) change information of the battery and a controller configured to predict a time period-specific end of life (eol) of the battery based on the time period-specific life change information of the battery.
20250149533. Battery Manufacturing Method and System_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jae Sung An of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/04, H01M4/02, H01M4/36
CPC Code(s): H01M4/0404
Abstract: a method of manufacturing a battery, particularly a secondary battery, includes: depositing an active material on a substrate, depositing an insulator material on the substrate such as to extend over a boundary between the active material and the substrate, determining an indicative wet thickness of the insulator material at a position on the substrate that is offset from the boundary by a characteristic measurement distance, and adapting the depositing of the insulator material as a function of the indicative wet thickness. the insulator material includes an insulator component and a liquid component. a battery manufacturing system and a battery are also provided.
Inventor(s): Hyejin KWON of Daejeon KR for lg energy solution, ltd., Sohee KIM of Daejeon KR for lg energy solution, ltd., Jeonggil KIM of Daejeon KR for lg energy solution, ltd., Taegon KIM of Daejeon KR for lg energy solution, ltd., Ki Tae KIM of Daejeon KR for lg energy solution, ltd., Choonghyeon LEE of Daejeon KR for lg energy solution, ltd., Myeongsoo KIM of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/04, H01M4/02, H01M10/0525, H01M10/0562
CPC Code(s): H01M4/0416
Abstract: the present disclosure relates to a method of manufacturing an electrode for an all-solid-state battery comprising the steps of: preparing granules containing an electrode active material, an electrically conductive material, and a binder; mixing the granules with solid electrolyte powder; and forming an electrode active material layer by placing a mixture of the granules and the solid electrolyte powder on a current collector and pressurizing the mixture. the present disclosure also relates to an electrode for an all-solid-state battery manufactured thereby.
20250149545. Method of Preparing Positive Electrode_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Chang Wan Koo of Daejeon KR for lg energy solution, ltd., Ki Tae Kim of Daejeon KR for lg energy solution, ltd., Sang Hoon Choy of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/139, H01M4/02, H01M4/04, H01M4/36, H01M4/62, H01M10/0525, H01M10/056
CPC Code(s): H01M4/139
Abstract: the present invention relates to a method of preparing a positive electrode which includes forming a solid electrolyte by mixing a lithium salt and a polymer for a solid electrolyte in a dry atmosphere, forming a dry mixture by stirring after adding a conductive agent and a positive electrode active material to the solid electrolyte in a dry atmosphere, and pressing after coating a current collector with the dry mixture.
Inventor(s): Jong Yoon LEE of Daejeon KR for lg energy solution, ltd., Sukhyun HONG of Daejeon KR for lg energy solution, ltd., Suenghoon HAN of Daejeon KR for lg energy solution, ltd., Kyungsik HONG of Daejeon KR for lg energy solution, ltd., Jaekyo NOH of Daejeon KR for lg energy solution, ltd., Hyeon Jin KIM of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/38, H01M4/02, H01M4/134, H01M10/052
CPC Code(s): H01M4/382
Abstract: the present disclosure relates to a negative electrode for a lithium secondary battery and a lithium secondary battery including the same. the negative electrode for the lithium secondary battery includes: a first layer including a first lithium metal sheet; a second layer formed on a top surface of the first layer and including a second lithium metal sheet and a negative electrode collector surrounding an outer peripheral surface of the second lithium metal sheet; and a third layer formed on a top surface of the second layer and including a third lithium metal sheet.
Inventor(s): Dohyeun KIM of Daejeon KR for lg energy solution, ltd., Donghyuk KIM of Daejeon KR for lg energy solution, ltd., Yong Ju LEE of Daejeon KR for lg energy solution, ltd., Hyunmin JUN of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/38, H01M4/02, H01M4/04, H01M10/052
CPC Code(s): H01M4/386
Abstract: a negative electrode active material, a method for manufacturing the same, a negative electrode composition including the same, a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. the negative electrode active material comprises a silicon-based active material having a crystal grain size of 200 nm or less, the silicon-based active material having an average particle diameter (d50) of 1 �m or greater and 9 �m or less, and the silicon-based active material including si and optionally siox (0<x<2), and including 70 parts by weight or more of si on the basis of 100 parts by weight of the silicon-based active material.
Inventor(s): Dohyeun KIM of Daejeon KR for lg energy solution, ltd., Donghyuk KIM of Daejeon KR for lg energy solution, ltd., Yong Ju LEE of Daejeon KR for lg energy solution, ltd., Hyunmin JUN of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/48, C01B33/029, H01M4/02, H01M10/052
CPC Code(s): H01M4/48
Abstract: a negative electrode active material, a method for manufacturing the same, a negative electrode composition and a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided.
Inventor(s): Hyuck Hur of Daejeon KR for lg energy solution, ltd., Sin Young Park of Daejeon KR for lg energy solution, ltd., Gi Beom Han of Daejeon KR for lg energy solution, ltd., Dong Hwi Kim of Daejeon KR for lg energy solution, ltd., Min Kwak of Daejeon KR for lg energy solution, ltd., Seul Ki Chae of Daejeon KR for lg energy solution, ltd., Kang Joon Park of Daejeon KR for lg energy solution, ltd., Wang Mo Jung of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/505, C01G53/50, H01M4/02, H01M4/36, H01M4/48, H01M4/587, H01M10/0525, H01M10/42
CPC Code(s): H01M4/505
Abstract: the present invention relates to positive electrode active material powder including overlithiated manganese-based oxide particles, which are represented by the disclosed formula 1 and are in the form of a single particle composed of one nodule or a pseudo-single particle that is a composite of 2 to 30 or less nodules, and a positive electrode and a lithium secondary battery which include the positive electrode active material powder.
Inventor(s): Seung-Bo YANG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M4/58, H01M4/02, H01M4/136, H01M4/62, H01M10/052
CPC Code(s): H01M4/5815
Abstract: a sulfur-carbon composite, a positive electrode active material including the same, a positive electrode including the positive electrode active material, and a lithium sulfur battery including the positive electrode are provided. the sulfur-carbon composite includes a porous carbonaceous matrix; and a sulfur-containing compound supported on at least a part of an inner surface of pores of the porous carbonaceous matrix and an external surface of the porous carbonaceous matrix, the porous carbonaceous matrix including a sheet-like carbonaceous material and having a specific surface area of 1,000 m/g or more and a pore volume of 6 cm/g or more.
Inventor(s): Yun Ho Park of Daejeon KR for lg energy solution, ltd., Gyo Ryun No of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M50/406
CPC Code(s): H01M10/0404
Abstract: one embodiment of the present invention provides a unit cell manufacturing device comprising a vision part for measuring a measurement value comprising the position information of at least one of the central electrode, the upper separator, the lower separator, the upper electrode and the lower electrode in the unit cell; and a control part for calculating the position correction value of at least one of the central electrode, the upper separator, the lower separator, the upper electrode, and the lower electrode, based on the measurement value measured in the vision part, and correcting at least one of the position of the central electrode supplied to the laminate conveying part, the position of the upper electrode supplied to the laminate conveying part, the position of the lower electrode supplied to the laminate conveying part and the cutting position of the laminate cutting part, based on the calculated position correction value.
Inventor(s): Sang-Kyun LEE of Daejeon KR for lg energy solution, ltd., Yong-Tae LEE of Daejeon KR for lg energy solution, ltd., Hun-Hyeong LEE of Daejeon KR for lg energy solution, ltd., Man-Woong HAN of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0404
Abstract: a plasma processing apparatus of a unit cell for a secondary battery includes a discharge roller configured to transport a separator of the unit cell for a secondary battery and allowing a metal member to be placed therein, and a plasma processing member configured to generate plasma through a mutual reaction with the metal member and irradiate the plasma to a surface of the separator, wherein a pattern portion having a certain stepped portion is formed on an outer surface of the discharge roller.
Inventor(s): Hae-Youn Cho of Daejeon KR for lg energy solution, ltd., Geon-Woo Kim of Daejeon KR for lg energy solution, ltd., Yong-Ho Chio of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0404
Abstract: a rotary-equipment correction device, according to an embodiment of the present disclosure, for correcting rotary equipment including a plurality of forming heads and a support frame supporting the plurality of forming heads includes a first correction unit configured to move the support frame in a target direction and collectively correct the positions of the plurality of forming heads in the target direction; and a second correction unit configured to move at least one end of an abnormal forming head, which strays from a predetermined normal position in the target direction, among the plurality of forming heads, along the target direction and individually correct the position of the abnormal forming head in the target direction.
20250149623. Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Gwang Yeon Kim of Daejeon KR for lg energy solution, ltd., Sang Seung Oh of Daejeon KR for lg energy solution, ltd., Seongsoo Kim of Daejeon KR for lg energy solution, ltd., Jaebeom Jeon of Daejeon KR for lg energy solution, ltd., Hanjoo Jo of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/052, H01M4/02, H01M4/133, H01M4/134, H01M10/0569
CPC Code(s): H01M10/052
Abstract: a secondary battery including a positive electrode and a negative electrode. the negative electrode includes a silicon-based active material and a carbon-based active material. the positive electrode includes a lithium nickel-based active material in the form of a single particle, and one or more of lco (licoo), lmo (limno) and lfp (lifepo) in the form of secondary particles. the lithium nickel-based active material in the form of a single particle contains 55 mol. % or more of nickel with respect to 100 mol. % of metals excluding lithium.
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): H01M10/0565
CPC Code(s): H01M10/0565
Abstract: the present disclosure relates to a polymer solid electrolyte and a preparation method thereof.
Inventor(s): Bo-Hyun KANG of Daejeon KR for lg energy solution, ltd., Do-Gyun KIM of Daejeon KR for lg energy solution, ltd., Geon-Woo MIN of Daejeon KR for lg energy solution, ltd., Min-Ki JO of Daejeon KR for lg energy solution, ltd., Su-Ji CHOI of Daejeon KR for lg energy solution, ltd., Kwang-Su HWANGBO of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/0587, H01M50/107, H01M50/152, H01M50/167, H01M50/188, H01M50/213, H01M50/593
CPC Code(s): H01M10/0587
Abstract: a battery includes an electrode assembly having a first uncoated portion and a second uncoated portion; a housing having an open portion formed at one side and configured to accommodate the electrode assembly through the open portion; a first current collector coupled with the first uncoated portion and located inside the housing; a cap configured to cover the open portion; and a spacer. the spacer includes a spacer portion interposed between the first current collector and the cap and configured to prevent movement of the electrode assembly, a gasket portion interposed between the housing and the cap and configured to seal the gap between the cap and the housing, and a connection portion configured to connect the spacer portion and the gasket portion and having a bending portion configured to switch an extension direction thereof between the spacer portion and the gasket portion.
Inventor(s): Yu Seon Park of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/0587
CPC Code(s): H01M10/0587
Abstract: an electrode assembly, a method for manufacturing an electrode assembly, and a secondary battery including the electrode assembly are provided. at the core part of the electrode assembly, the angle formed between the longitudinal end portion of an electrode and the curvature maximum point of the electrode is greater than 40� and 98� or less. the electrode assembly may have a circularity of the electrode of 89% or greater. the electrode assembly may have a flat region with a curvature of the electrode of 1 or less that is between 3% and 13.5%. the deformation of the end portion of the first electrode, located at the core part and an adjacent electrode, is reduced to address separator damage and reduce core collapse, core impingement, and core cracking.
Inventor(s): Yu Seon Park of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/0587
CPC Code(s): H01M10/0587
Abstract: an electrode assembly, a method for manufacturing an electrode assembly, and a secondary battery including the electrode assembly. at a core part of the electrode assembly, the flatness fraction of a flat region of an electrode is between 3% and 13.5%. the electrode assembly may have a circularity of the electrode of 89% or greater. the electrode assembly may have an angle formed between the longitudinal end portion of the electrode and the curvature maximum point of the electrode between 40� and 98�. the deformation of the end portion of the electrode located at the core part and an adjacent electrode is reduced to address separator damage and reduce core collapse, core impingement, and core cracking.
Inventor(s): Kyu Hwan OH of Daejeon KR for lg energy solution, ltd., Won Tae LEE of Daejeon KR for lg energy solution, ltd., Sung Tack HWANG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/42, G01M3/16, G01R31/12, H01M10/48, H01M50/211, H01M50/298
CPC Code(s): H01M10/4228
Abstract: an electrolyte leakage detection unit is provided under a pouch-shaped battery cell. the detection unit detects measuring insulation resistance or voltage of an outer frame electrically connected to the detection unit, whereby electrolyte leakage is detected.
Inventor(s): Seokin Choi of Daejeon KR for lg energy solution, ltd., Youngbok Kim of Daejeon KR for lg energy solution, ltd., Wonrak Lee of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/42, C01D15/04, H01M10/0562
CPC Code(s): H01M10/4235
Abstract: a composite sulfide-based solid electrolyte includes a plurality of primary particles and a secondary particle comprising a lithium halide represented by formula 1, wherein the primary particles comprise a sulfide-based solid electrolyte and the lithium halide is located between the primary particles, and a method of preparing the same: [formula 1]=lix, wherein x is any one selected from f, ci. br and i.
Inventor(s): Min Woo Kim of Daejeon KR for lg energy solution, ltd., Jang Hyeok Choi of Daejeon KR for lg energy solution, ltd., Tae Youn Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/48, G01R31/3835, H01M10/42
CPC Code(s): H01M10/482
Abstract: a battery management apparatus includes a first relay configured to connect a first end of a battery pack to a first end of a load, a second relay configured to connect a second end of the battery pack to a second end of the load, a sensor configured to measure a voltage of the battery pack and a voltage of the load, and a controller configured to control operations of the first relay and the second relay and receive a measurement of the voltage of the battery pack or the voltage of the load based on the operations of the first relay and the second relay.
Inventor(s): Ji Hye JEON of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/48, G01K7/22, H01M50/107, H01M50/519
CPC Code(s): H01M10/486
Abstract: an aspect of the current disclosure relates to a battery cell assembly and a method of manufacturing the same. the cell battery assembly may include a cylindrical battery cell, a printed circuit board (pcb) disposed on an upper surface of the cylindrical battery cell, and a thermistor configured to measure a temperature of the cylindrical battery cell. the thermistor may be disposed at an outer periphery of one side of the pcb.
Inventor(s): Dong Hyeon Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/63, H01M10/48, H01M10/615
CPC Code(s): H01M10/63
Abstract: a processor of a battery apparatus detects voltages of a first terminal and a second terminal of a relay coil included in a relay before closing the relay to operate the heater, and diagnoses the heater based on a voltage which the voltage of the first terminal and the voltage of the second terminal correspond to among a high voltage and a low voltage for driving the relay, and a voltage for diagnosis.
Inventor(s): Jisu Yoon of Daejeon KR for lg energy solution, ltd., Jae Hyeong Ju of Daejeon KR for lg energy solution, ltd., Dahoon Kang of Daejeon KR for lg energy solution, ltd., Kyoungho Seo of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M10/653, H01M10/04, H01M10/658, H01M50/204, H01M50/211, H01M50/244, H01M50/289, H01M50/50
CPC Code(s): H01M10/653
Abstract: a method of manufacturing a battery module includes accommodating a battery cell stack in which a plurality of battery cells are stacked in a frame member, mounting a supporting jig on an upper surface of the frame member, and injecting a thermally conductive resin through an injection hole formed in a lower surface of the frame member. in the step of injecting the t thermally conductive resin, the supporting jig supports a component inside the frame member so that the component does not move toward the upper surface of the frame member.
Inventor(s): Hyun Seop Yun of Daejeon KR for lg energy solution, ltd., Bumhyun Lee of Daejeon KR for lg energy solution, ltd., Junyeob Seong of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/105, H01M50/178
CPC Code(s): H01M50/105
Abstract: a battery cell according to the present invention can include an electrode assembly including a positive electrode, a negative electrode, and a separating membrane disposed between the positive electrode and the negative electrode, a cell case for receiving the electrode assembly, and an electrode lead connected to the electrode assembly and protruding from one end of the cell case. the cell case can include a receiving portion to receiving the electrode assembly and a sealing portion formed on an edge of the cell case to sealing the electrode assembly, and a reinforcing member positioned on an external side of the cell case to overlap at least a portion of the sealing portion.
Inventor(s): Ji Sun LEE 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., Jae Ho LEE of Daejeon KR for lg energy solution, ltd., Ji Eun CHOI of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/15, H01M50/103, H01M50/105, H01M50/46, H01M50/548
CPC Code(s): H01M50/15
Abstract: the present disclosure relates to a secondary battery, a method for manufacturing the same, and a battery pack including the same. the secondary battery according to an aspect of the present disclosure may include: an electrode assembly extending in a first direction; an exterior film surrounding a portion of the electrode assembly; and a pair of caps covering a remaining portion of the electrode assembly, wherein each cap may include: a cover part that covers one side of the electrode assembly in the first direction; a connection part including a coupling portion provided on an outer surface of the cover part and coupled to the exterior film; and a terminal part, wherein at least a portion of the terminal part is exposed outside of the cover part and is electrically connected to the electrode assembly.
Inventor(s): Ji Eun CHOI 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., Jae Ho LEE of Daejeon KR for lg energy solution, ltd., Ji Sun LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/16, H01M50/103, H01M50/136, H01M50/15, H01M50/164, H01M50/171, H01M50/176, H01M50/548
CPC Code(s): H01M50/16
Abstract: a secondary battery and a battery pack including the same are provided. the secondary battery includes an electrode assembly extending in a first direction; an exterior film surrounding a portion of the electrode assembly; and a pair of caps covering a remaining portion of the electrode assembly, wherein each of the caps includes a cover part covering one side of the electrode assembly in the first direction; a connection part including a coupling portion which is provided on an outer surface of the cover part and is coupled to the exterior film; and a terminal part of which at least a portion is exposed to outside of the cover part and which is electrically connected to the electrode assembly, wherein the coupling portion of the connection part includes a first layer including a first resin and has an outer surface that couples to an inner surface of the exterior film and an inner surface that couples to an outer surface of the cover part.
Inventor(s): Soo Young Kim of Daejeon KR for lg energy solution, ltd., Hyun Chul Ha of Daejeon KR for lg energy solution, ltd., Do Hun Kim of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/184, B21D45/06, H01M50/105, H01M50/186
CPC Code(s): H01M50/184
Abstract: a battery case for a pouch-type secondary battery accommodates an electrode assembly therein, and includes a first case, a second case configured to cover the first case, a cup portion provided in at least one of the first case or the second case and has a space formed to accommodate the electrode assembly, and a side portion formed along an outer circumference of each of the first case and the second case. the side portion includes a sealing portion sealed by bringing the first case and the second case into contact with each other. the side portion also includes an insulation failure-preventing portion formed between the sealing portion and the cup portion and configured to accommodates a sealing material melted in the sealing portion. a battery case shaping apparatus and a secondary battery manufacturing method are also provided.
Inventor(s): Chang Bum Ahn of Daejeon KR for lg energy solution, ltd., Jongmin Moon of Daejeon KR for lg energy solution, ltd., Jin Ha Hwang of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/186, H01M50/105, H01M50/184, H01M50/195, H01M50/197, H01M50/198
CPC Code(s): H01M50/186
Abstract: disclosure is a pouch-type cell in which a full width of a pouch cell is evenly maintained from an upper end to a lower end by completely fixing a sealing part of the pouch cell through molding using infrared heating, even without the use of tape, and a method for molding a sealing part thereof. the pouch-type cell includes an electrode assembly housing part; and sealing parts positioned at both side ends of the electrode assembly housing part, respectively, and protruding in an outward direction, in which the sealing parts include a portion overlapped by folding a tip, and the overlapped portions of the sealing parts form a constant angle in a range of is 80 to 90 degrees with a sealing part portion except the overlapped portion without the help of an external force.
20250149698. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Chang Hyeon YANG of Daejeon KR for lg energy solution, ltd., Jong Hwa CHOI of Daejeon KR for lg energy solution, ltd., Jae Hyun LEE 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): H01M50/204, H01M50/242, H01M50/262
CPC Code(s): H01M50/204
Abstract: the present disclosure relates to a battery pack configured to accommodate a battery module including a cell stack in which a plurality of cells are stacked, including: a pack case including a base plate configured to support a lower portion of the battery module, a main partition wall coupled to a center portion of the base plate and formed to extend across the base plate, a side wall coupled along an edge of the base plate, and an auxiliary partition wall having both ends coupled to the main partition wall and the side wall, respectively; and a long bolt member coupled to the pack case by passing through the auxiliary partition wall such that the auxiliary partition wall is coupled to the main partition wall and the side wall.
20250149705. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Nam Hoon HUR 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., Chang Hyeon YANG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/24, H01M50/262, H01M50/271
CPC Code(s): H01M50/24
Abstract: a battery pack includes a lower pack housing including a bottom plate and a side wall frame surrounding edges of the bottom plate; an upper lid coupled to an upper surface of the side wall frame while covering the lower pack housing; and a pack gasket installed between the upper surface of the side wall frame and the upper lid, in which a first protruding part blocking the inside of the battery pack and the pack gasket is provided along the upper surface of the side wall frame.
20250149713. Battery Pack_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Doo Han Yoon of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/244, H01M10/613, H01M10/647, H01M10/653, H01M10/6556, H01M50/209, H01M50/264
CPC Code(s): H01M50/244
Abstract: a battery pack including, in one example, a battery block including a cell array including a plurality of prismatic cells arranged in a row, a pair of side plates disposed on each of both sides of the cell array, and a pair of end plates disposed on each of front and rear surfaces of the cell array, wherein both ends of the end plates in the width direction are fixed to side brackets provided at both ends of the side plates in the longitudinal direction of the side plates, so that the cell array is constrained as a single block; and a pack case in which a plurality of the battery blocks are mounted, wherein the end plate includes an end bracket that is fixed to a mounting part provided in the pack case.
20250149717. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Nam Hoon HUR of Daejeon KR for lg energy solution, ltd., Chang Hyeon YANG of Daejeon KR for lg energy solution, ltd., Ju Hwan SHIN of Daejeon KR for lg energy solution, ltd., Jun Yeob SEONG of Daejeon KR for lg energy solution, ltd., Hyoung Suk LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/262, H01M10/6556, H01M50/204, H01M50/271, H01M50/298, H01M50/30
CPC Code(s): H01M50/262
Abstract: discussed is a battery pack including a housing having a plate part, a plurality of battery devices on a first side of the plate part of the housing, a cover plate on a second side of the plate part of the housing, and a plurality of fastening members configured to fix the cover plate and the housing, in which each of the plurality of fastening members includes a head part and a shank, in which a diameter of the shank is less than a diameter of the head part, and the head part of each of the plurality of fastening members is in contact with the cover plate.
Inventor(s): Jong Pil JEON of Daejeon KR for lg energy solution, ltd., Min Bum KIM of Daejeon KR for lg energy solution, ltd., Ju Hwan SHIN of Daejeon KR for lg energy solution, ltd., Jun Yeob SEONG of Daejeon KR for lg energy solution, ltd., Hyoung Suk LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/264, H01M10/04, H01M50/211, H01M50/256
CPC Code(s): H01M50/264
Abstract: discussed is a transfer device for a battery cell assembly. the transfer device may include a jig plate including an opening in a central area of the jig plate, first cross-beam fasteners on the jig plate and configured to be coupled to a first cross-beam of a battery cell assembly, second cross-beam fasteners configured to be coupled to a second cross-beam of the battery cell assembly, and first and second film fasteners on the jig plate and adjacent to the opening of the jig plate.
Inventor(s): Ju-Hwan SHIN of Daejeon KR for lg energy solution, ltd., Myung-Ki PARK of Daejeon KR for lg energy solution, ltd., Won-Kyoung PARK of Daejeon KR for lg energy solution, ltd., Jun-Yeob SEONG of Daejeon KR for lg energy solution, ltd., Sung-Hoon WOO 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, H01M50/249, H01M50/271, H01M50/289
CPC Code(s): H01M50/367
Abstract: the present disclosure discloses a battery pack configured to discharge a high-temperature gas to the outside of the battery pack without affecting other adjacent battery modules when the gas is generated inside the battery module. the battery pack according to one aspect of the present disclosure includes a pack housing; a battery module; and a pack cover having a first side venting channel, a second side venting channel and a center venting channel configured to guide a venting gas generated from the battery module at a position corresponding to the battery module, the pack cover being configured to cover the battery modules by being coupled to the pack housing.
Inventor(s): Hun-Hee Lim of Daejeon KR for lg energy solution, ltd., Sang-Hun Kim of Daejeon KR for lg energy solution, ltd., Min-Hyeong Kang of Daejeon KR for lg energy solution, ltd., Dae-Woong Song 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.
IPC Code(s): H01M50/30, H01M50/105, H01M50/119, H01M50/121, H01M50/129, H01M50/186, H01M50/193
CPC Code(s): H01M50/394
Abstract: disclosed herein is a gas release member and a secondary battery including same. the gas release member can include a sheet having gas permeability. the gas release member can have a hole in a peripheral region of the sheet. the secondary battery can include an electrode assembly and a case accommodating the electrode assembly. the secondary battery can include the gas release member adhered to an inner side of an opening of the secondary battery.
Inventor(s): Jin Young SHIN of Daejeon KR for lg energy solution, ltd., Sang Young LEE of Seoul KR for lg energy solution, ltd., Dong Wook SUNG of Daejeon KR for lg energy solution, ltd., Ji Eun KIM of Daejeon KR for lg energy solution, ltd., So Mi JEONG of Daejeon KR for lg energy solution, ltd., Yong Hyeok LEE of Seoul KR for lg energy solution, ltd., Ji Young SEO of Seoul KR for lg energy solution, ltd., Dong Hun BAE of Daejeon KR for lg energy solution, ltd., Ji Hyun BANG of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/446, D01D5/00, D04H1/4209, D04H1/4374, D04H1/4382, D04H1/44, D04H1/548, D04H1/56, D04H1/728, H01M50/403, H01M50/42, H01M50/426, H01M50/434, H01M50/44, H01M50/443, H01M50/451, H01M50/489
CPC Code(s): H01M50/446
Abstract: a method for manufacturing a separator for an electrochemical device including a silicon-based negative electrode is provided. the method includes a step of forming a freestanding porous separator by simultaneously electrospinning a first spinning solution containing a polymer binder and a second spinning solution containing inorganic particles, wherein a flow rate of the second spinning solution is allowed to be greater than that of the first spinning solution such that a separator having compression resistance against expansion of the silicon-based negative electrode during charging and discharging is manufactured.
Inventor(s): Yeo-Ju YOON of Daejeon KR for lg energy solution, ltd., Seong-Jun KIM of Daejeon KR for lg energy solution, ltd., Jin-Young SHIN of Daejeon KR for lg energy solution, ltd., Ji-Eun KIM of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/451, H01M50/403, H01M50/426, H01M50/431, H01M50/443, H01M50/491
CPC Code(s): H01M50/451
Abstract: disclosed is a separator for an electrochemical device that includes a polymer substrate with small and uniform pores and an aqueous organic/inorganic composite porous coating layer and an adhesive coating layer and which is improved in compression resistance, and a method of making the separator and the electrochemical device including the separator. the separator with improved compression resistance is not easily deformed by well resisting pressure applied thereto during a lamination process in which an electrode and the separator are applied with heat and pressure so as to be bonded to each other. in addition, when pressure is applied, the coating layer serves as a buffer, thereby reducing the pressing force exerted on the porous substrate. thus, deformation of the separator is inhibited.
Inventor(s): Woo Seung JEONG of Daejeon KR for lg energy solution, ltd., Hun Byung PARK of Daejeon KR for lg energy solution, ltd., Seung Ryul BAEK of Daejeon KR for lg energy solution, ltd., Jongkyun OH of Daejeon KR for lg energy solution, ltd., Jaekwan BAEK of Daejeon KR for lg energy solution, ltd., Yongseok CHOI of Daejeon KR for lg energy solution, ltd., Yeongkyun KO of Daejeon KR for lg energy solution, ltd., Siwon JEON of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/507, H01M10/04, H01M50/209, H01M50/211
CPC Code(s): H01M50/507
Abstract: discussed is a method for manufacturing a battery module, the method including mounting a battery cell stack on a bottom part of a module frame, the module frame having an upper part that is opened, mounting an upper plate such that the upper plate covers the battery cell stack on the opened upper part of the module frame, coupling the upper plate and the module frame, and coupling end plates to opened opposite sides of the module frame, respectively. the battery cell stack is mounted on the bottom part of the module frame by using spreading jigs configured to spread opposite ends of side surface parts of the module frame while being moved along a direction that is perpendicular to the bottom part of the module frame by side surface pressing jigs.
Inventor(s): Sun Woo Yun of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/526, B29C45/00, B29C45/14, B29K83/00, B29K509/02, B29K705/10, B29L31/34, H01B3/46, H01B7/295, H01M10/658, H01M50/204, H01M50/258, H01M50/293, H01M50/522, H01M50/524
CPC Code(s): H01M50/526
Abstract: a fire-resistant bus bar includes a bus bar conductor part; a sheath layer of a fire-resistant silicone, and a protective layer. the sheath layer covers portions of the bus bar conductor part excluding both ends and is ceramicized at high temperatures to support the bus bar conductor part. the protective layer covers the sheath layer, in which a metal sheet is included in the sheath layer to reinforce the structural rigidity of the sheath layer. a battery pack and method of manufacture are also provided.
Inventor(s): Chorong KIM of Daejeon KR for lg energy solution, ltd., Byoung Hoon AHN of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H01M50/586, H01M4/02, H01M4/04, H01M4/139, H01M10/0583, H01M10/0585, H01M10/0587, H01M10/42, H01M50/533, H01M50/59
CPC Code(s): H01M50/586
Abstract: an electrode assembly has a one or more first electrode plates, separators, and second electrode plates are stacked, wherein the first electrode plate include a first electrode tab portion, to which a first active material is not applied, on one side thereof in a width direction, and the first electrode tab portion extends further outward in the width direction from one side end portion of the electrode assembly in the width direction than the separator, and an insulating coating is formed on a slit surface of the second electrode plate, which is disposed adjacent to the first electrode tab portion with the separator interposed therebetween, at one side end portion of the electrode assembly. the insulating coating is formed after coating and slitting a second active material on the second electrode plate and before stacking the first electrode plate, the second electrode plate, and the separator.
Inventor(s): Sung Gun LEE of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H02J9/06, B60L53/80, B60L55/00, H02J3/32, H02J7/00
CPC Code(s): H02J9/061
Abstract: a battery-pack-based battery swapping station may include an external power grid configured to supply power, at least one charger configured to charge a battery pack, a controller configured to perform control such that the power supplied from the external power grid is transmitted to the battery pack and the battery pack is charged with the power, a main power source configured to supply power to the controller, a first bidirectional direct-current to direct-current (dc/dc) converter, the first dc/dc converter being configured to supply direct-current power to the battery pack, a second dc/dc converter, and an alternating-current to direct-current (ac/dc) converter connected to the external power grid, the ac/dc converter being configured to convert current. in addition, the controller may include a main control unit (mcu) is located between the ac/dc converter and the first dc/dc converter, the mcu being configured to generate a control signal.
Inventor(s): Junghyun KWON of Daejeon KR for lg energy solution, ltd.
IPC Code(s): H04L9/32, H04L9/08, H04L9/14
CPC Code(s): H04L9/321
Abstract: discussed are a cross certification method and a certifying device to perform the method. the certifying device can include a certification communication unit; a certification storage unit; and a certification control unit, wherein when a first certification is approved, the certification control unit encrypts a second identification information with a unidirectional encryption algorithm to generate a certification cryptogram, and transmits the certification cryptogram to an electronic device to request a second certification, when receiving a first random number in response to the request for the second certification, the certification control unit inputs the second identification information and an initial vector to a random number generating algorithm to generate a second random number, and the certification control unit compares the first random number and the second random number to verify the first random number, and determines whether to approve the second certification according to a result of the verification.
LG Energy Solution, Ltd. patent applications on May 8th, 2025
- LG Energy Solution, Ltd.
- B01F35/71
- B01F35/221
- B01F35/88
- CPC B01F35/71815
- Lg energy solution, ltd.
- B21D39/02
- H01M50/105
- H01M50/186
- CPC B21D39/02
- B65H23/038
- B65H7/08
- CPC B65H23/038
- G01R31/392
- G01R31/367
- G01R31/371
- G01R31/382
- CPC G01R31/392
- H01M4/04
- H01M4/02
- H01M4/36
- CPC H01M4/0404
- H01M10/0525
- H01M10/0562
- CPC H01M4/0416
- H01M4/139
- H01M4/62
- H01M10/056
- CPC H01M4/139
- H01M4/38
- H01M4/134
- H01M10/052
- CPC H01M4/382
- CPC H01M4/386
- H01M4/48
- C01B33/029
- CPC H01M4/48
- H01M4/505
- C01G53/50
- H01M4/587
- H01M10/42
- CPC H01M4/505
- H01M4/58
- H01M4/136
- CPC H01M4/5815
- H01M10/04
- H01M50/406
- CPC H01M10/0404
- H01M4/133
- H01M10/0569
- CPC H01M10/052
- H01M10/0565
- CPC H01M10/0565
- H01M10/0587
- H01M50/107
- H01M50/152
- H01M50/167
- H01M50/188
- H01M50/213
- H01M50/593
- CPC H01M10/0587
- G01M3/16
- G01R31/12
- H01M10/48
- H01M50/211
- H01M50/298
- CPC H01M10/4228
- C01D15/04
- CPC H01M10/4235
- G01R31/3835
- CPC H01M10/482
- G01K7/22
- H01M50/519
- CPC H01M10/486
- H01M10/63
- H01M10/615
- CPC H01M10/63
- H01M10/653
- H01M10/658
- H01M50/204
- H01M50/244
- H01M50/289
- H01M50/50
- CPC H01M10/653
- H01M50/178
- CPC H01M50/105
- H01M50/15
- H01M50/103
- H01M50/46
- H01M50/548
- CPC H01M50/15
- H01M50/16
- H01M50/136
- H01M50/164
- H01M50/171
- H01M50/176
- CPC H01M50/16
- H01M50/184
- B21D45/06
- CPC H01M50/184
- H01M50/195
- H01M50/197
- H01M50/198
- CPC H01M50/186
- H01M50/242
- H01M50/262
- CPC H01M50/204
- H01M50/24
- H01M50/271
- CPC H01M50/24
- H01M10/613
- H01M10/647
- H01M10/6556
- H01M50/209
- H01M50/264
- CPC H01M50/244
- H01M50/30
- CPC H01M50/262
- H01M50/256
- CPC H01M50/264
- H01M50/367
- H01M50/249
- CPC H01M50/367
- H01M50/119
- H01M50/121
- H01M50/129
- H01M50/193
- CPC H01M50/394
- H01M50/446
- D01D5/00
- D04H1/4209
- D04H1/4374
- D04H1/4382
- D04H1/44
- D04H1/548
- D04H1/56
- D04H1/728
- H01M50/403
- H01M50/42
- H01M50/426
- H01M50/434
- H01M50/44
- H01M50/443
- H01M50/451
- H01M50/489
- CPC H01M50/446
- H01M50/431
- H01M50/491
- CPC H01M50/451
- H01M50/507
- CPC H01M50/507
- H01M50/526
- B29C45/00
- B29C45/14
- B29K83/00
- B29K509/02
- B29K705/10
- B29L31/34
- H01B3/46
- H01B7/295
- H01M50/258
- H01M50/293
- H01M50/522
- H01M50/524
- CPC H01M50/526
- H01M50/586
- H01M10/0583
- H01M10/0585
- H01M50/533
- H01M50/59
- CPC H01M50/586
- H02J9/06
- B60L53/80
- B60L55/00
- H02J3/32
- H02J7/00
- CPC H02J9/061
- H04L9/32
- H04L9/08
- H04L9/14
- CPC H04L9/321