LG ENERGY SOLUTION, LTD. patent applications on September 26th, 2024
Patent Applications by LG ENERGY SOLUTION, LTD. on September 26th, 2024
LG ENERGY SOLUTION, LTD.: 39 patent applications
LG ENERGY SOLUTION, LTD. has applied for patents in the areas of H01M10/04 (8), H01M10/42 (6), H01M4/02 (5), H02J7/00 (4), H01M50/105 (4) H01M50/3425 (2), H01M10/52 (2), H01M50/446 (2), A62C3/16 (1), H01M50/14 (1)
With keywords such as: battery, electrode, part, negative, including, material, frame, portion, secondary, and between in patent application abstracts.
Patent Applications by LG ENERGY SOLUTION, LTD.
20240316376. BATTERY PACK WITH IMPROVED SAFETY_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Gi-Dong PARK of Daejeon (KR) for lg energy solution, ltd., Ki-Youn KIM of Daejeon (KR) for lg energy solution, ltd., Hyeon-Kyu KIM of Daejeon (KR) for lg energy solution, ltd., Jeong-O MUN of Daejeon (KR) for lg energy solution, ltd., Jong-Kyu AHN of Daejeon (KR) for lg energy solution, ltd., Young-Won YUN of Daejeon (KR) for lg energy solution, ltd., Seong-Ju LEE of Daejeon (KR) for lg energy solution, ltd., Jae-Ki LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): A62C3/16, H01M10/42, H01M50/367
CPC Code(s): A62C3/16
Abstract: a battery pack ensures safety even when a thermal event occurs. a battery pack includes a battery module including one or more battery cells, a control module connected to the battery module to manage the battery module, and a fire extinguishing tank containing a fire extinguishing agent and coupled to at least one of the battery module and the control module.
20240316599. Roll Cleaning Device_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Kang Ho Seong of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B08B1/16, B08B1/34
CPC Code(s): B08B1/165
Abstract: a roll cleaning device according to one example of the present invention comprises at least one knife, wherein the at least one knife comprises a cleaning part surrounding a target roll to be in contact with the outer circumferential surface of the target roll on which foreign substances are present, and an operating part, which is connected to the cleaning part, for moving the at least one knife along the circumferential direction on the outer circumferential surface of the target roll.
Inventor(s): Soon Kim of Daejeon (KR) for lg energy solution, ltd., Dong Yeon Kim of Daejeon (KR) for lg energy solution, ltd., Jin Hak Kong of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B30B9/28, B30B3/04, H01M4/04
CPC Code(s): B30B9/28
Abstract: a calendering roll press for manufacturing a dry electrode in which a plurality of calendering crown rolls are arranged to stretch a dry electrode sheet, includes a calendaring crown roll including a center roller in which an inner wheel drive shaft protrudes in the longitudinal direction at the center of both sides surface, and a first side roller and a second side roller with inner surfaces facing both side surfaces of the center roller, respectively. the first side roller and the second side roller have hollow outer wheel drive shafts protruding from the center of their outer surfaces in the longitudinal direction through which the inner wheel drive shaft passes, and a motor that independently and rotatably drives the center roller, the first side roller and the second side roller.
Inventor(s): Heejun Ahn of Daejeon (KR) for lg energy solution, ltd., Sangkee Seo of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B30B15/00, B08B5/02, B08B5/04, H01M10/04, H01M50/536
CPC Code(s): B30B15/0082
Abstract: an apparatus for compressing a joint between an electrode tab extending from an electrode assembly and electrode lead includes an upper pressing unit, a lower pressing unit, a suction unit, and a driving unit for moving the upper and lower pressing units up and down. the apparatus includes an air injection nozzle that injects air obliquely from an exterior region of an upper compressing member toward the joining surface of the electrode tab and electrode lead.
Inventor(s): Jung Hoon LEE of Daejeon (KR) for lg energy solution, ltd., Su Taek JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01N27/20, B23K31/12, G01N27/02, H01M10/04, H01M50/536, H01M50/609
CPC Code(s): G01N27/20
Abstract: a battery may include: a tap or a current collector plate welded to a current collector of an electrode assembly in which the current collector and a separator are wound or stacked; and a can housing or electrode lead welded to the tap or current collector plate. a method for inspecting a welding state of a battery may include: measuring a first impedance by applying, prior to injecting an electrolyte into the battery, an alternating current or an alternating voltage at a frequency band; preparing a first cole-cole plot based on the first impedance; and determining the welding state of the battery based on an x-intercept value on the first cole-cole plot. a method for manufacturing a battery is also disclosed.
20240319283. BATTERY MANAGEMENT APPARATUS AND METHOD_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jae-Dong PARK of Daejeon (KR) for lg energy solution, ltd., Jung-Hyun KWON of Daejeon (KR) for lg energy solution, ltd., Hyun-Ki CHO of Daejeon (KR) for lg energy solution, ltd., Jung-Hoon LEE of Daejeon (KR) for lg energy solution, ltd., Hu-Jun LEE of Daejeon (KR) for lg energy solution, ltd., Ji-Won HWANG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/385, G01R31/36, G01R31/371, G01R31/392, H01M10/42
CPC Code(s): G01R31/385
Abstract: a battery management apparatus can include a measuring unit connected to a battery and configured to operate in a measurement mode during a predetermined measurement time at each preset measurement cycle and measure battery information including at least one of voltage and temperature of the battery while operating in the measurement mode, and a control unit configured to operate in a communication mode during a preset operation time at each preset communication cycle, receive the battery information from the measuring unit while operating in the communication mode, set a next operation time point at which the measuring unit is to operate in the measurement mode based on at least one of the communication cycle and a measurement time, and change an operation time to operate in the communication mode at each subsequent communication cycle to correspond to the measurement time.
20240319284. Insulation Resistance Measuring Device_simplified_abstract_(lg energy solution, ltd.)
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): G01R31/389
CPC Code(s): G01R31/389
Abstract: provided is an insulation resistance measuring device for measuring a positive insulation resistor disposed between a positive electrode of a battery pack and a ground and a negative insulation resistor disposed between the ground and a negative electrode of the battery pack, the insulation resistance measuring device including: first and second resistors connected in series between the positive electrode of the battery pack and the ground; third and fourth resistors connected in series between the ground and the negative electrode of the battery pack; an output terminal connected between the third and fourth resistors; and a switch connected between a contact between the first and second resistors and the negative electrode of the battery pack.
Inventor(s): Young CHOI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G06F21/64, G06F11/10, G06F21/60
CPC Code(s): G06F21/64
Abstract: in an energy storage system (ess) including a battery management system (bms) and a recording device, the bms obtains operational data of the ess and generates a first encryption code to guarantee integrity of the operational data to be transmitted to the recording device, and the recording device generates a second encryption code based on the operational data to which the first encryption code is added, to guarantee continuity of operational data received every period, and generates a third encryption code based on the second encryption code added to the operational data in a period immediately before branching to prevent a series of operational data from being falsified after branching.
Inventor(s): Kyungchul Hwang of Daejeon (KR) for lg energy solution, ltd., Han Seung Kim 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, B23K26/38, B23K101/36, G06Q10/0639, G06Q10/067, G09B5/02, H01M4/04
CPC Code(s): G09B19/24
Abstract: a simulation apparatus and a simulation method of a laser notching machine for secondary battery production are provided. the simulation apparatus includes: a memory configured to store at least one instruction; and at least one processor configured to execute the at least one instruction stored in the memory. the at least one instruction includes instructions for: executing an apparatus operating unit including a 3d laser notching machine related to secondary battery production, a facility operating unit including a plurality of adjustment parameters for determining the operation of the 3d laser notching machine, a quality checking unit including quality information related to the quality of a material produced by the 3d laser notching machine, and a laser setting unit including a plurality of laser parameters for determining operation of the 3d laser notching machine; obtaining at least one of first user action information obtained through the apparatus operating unit, first user condition information obtained through the facility operating unit, or first laser setting information obtained through the laser setting unit; determining the operation of the 3d laser notching machine based on at least one of the first user action information, the first user condition information or the first laser setting information obtained; and punching out electrodes related to the 3d laser notching machine based on the determined operation.
Inventor(s): Soon Sik Choi of Daejeon (KR) for lg energy solution, ltd., Oh Cheol Kwon of Daejeon (KR) for lg energy solution, ltd., Ji Hwan Kim of Daejeon (KR) for lg energy solution, ltd., Jeongwon Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04, H01M10/04
CPC Code(s): H01M4/0435
Abstract: an electrode roll including a bobbin having a variable ring positioned to correspond to a position of a non-coated portion.
Inventor(s): Lilin PIAO of Daejeon (KR) for lg energy solution, ltd., Yong Ju LEE of Daejeon (KR) for lg energy solution, ltd., Sang Wook WOO of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/133, H01M4/587
CPC Code(s): H01M4/366
Abstract: disclosed is a negative electrode including a negative electrode current collector, a lower negative electrode active material layer disposed on one or both surfaces of the negative electrode current collector, and an upper negative electrode active material layer disposed on a surface of the lower negative electrode active material layer opposite the negative electrode current collector. the lower negative electrode active material layer includes a first negative electrode active material including natural graphite particles and a second negative electrode active material including artificial graphite particles in a form of primary particles. the upper negative electrode active material layer includes third negative electrode active material including artificial graphite particles in a form of secondary particles in which two or more primary particles are assembled. a pore volume of the first negative electrode active material is 0.06 ml/g or less as measured by mercury porosimetry.
Inventor(s): Eui Tae KIM of Daejeon (KR) for lg energy solution, ltd., Suenghoon HAN of Daejeon (KR) for lg energy solution, ltd., Kwonnam SOHN of Daejeon (KR) for lg energy solution, ltd., Doo Kyung YANG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/38, H01M4/02, H01M4/36, H01M4/583, H01M4/62, H01M10/0525
CPC Code(s): H01M4/38
Abstract: a sulfur-carbon composite including a porous carbon material, and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.300 cm/g to 0.350 cm/g and a specific surface area of the sulfur-carbon composite is 19.5 m/g to 30 m/g, wherein the sulfur and the porous carbon material are present in the sulfur-carbon composite in a weight ratio of 7.5:2.5 to 4:6.
20240322153. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Su Hyeon Ji of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/505, H01M4/02, H01M4/525, H01M4/583, H01M10/052, H01M10/0567, H01M10/0568, H01M10/0569, H01M10/058
CPC Code(s): H01M4/505
Abstract: a lithium secondary battery includes a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. the positive electrode includes a positive electrode active material, the positive electrode material includes a perlithium manganese-rich oxide containing about 50 mol % or more of mn based on all metal elements excluding lithium, and having a molar ratio of lithium to transition metal exceeding about 1, the non-aqueous electrolyte includes a lithium ion and an organic solvent, the organic solvent includes a first organic solvent and a second organic solvent, the first organic solvent includes ethylene carbonate, and the second organic solvent includes diethyl carbonate and propyl propionate.
Inventor(s): Young Jae KIM of Daejeon (KR) for lg energy solution, ltd., Jong Hyun CHAE of Daejeon (KR) for lg energy solution, ltd., Chan Soo JUN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/583, H01M4/02, H01M4/133, H01M4/134, H01M4/62
CPC Code(s): H01M4/583
Abstract: the present invention relates to a negative electrode including a negative electrode current collector, and a negative electrode active material layer disposed on the negative electrode current collector, wherein the negative electrode active material layer includes a negative electrode active material containing a silicon-based active material and a carbon-based active material at a weight ratio of 12:88 to 28:72, and a ratio of dof the carbon-based active material to dof the silicon-based active material is 2 to 5.
Inventor(s): Aravindaraj Govindaraj Kannan of Daejeon (KR) for lg energy solution, ltd., Kwan Soo Lee of Daejeon (KR) for lg energy solution, ltd., Eun Sun Choi of Daejeon (KR) for lg energy solution, ltd., Gayoung Shim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/04, H01M4/13, H01M4/139, H01M4/48
CPC Code(s): H01M4/625
Abstract: a negative electrode for a secondary battery comprises a negative electrode mixture disposed on at least one surface of a negative electrode current collector, wherein the negative electrode mixture comprises a negative electrode active material and a conductive material, wherein the negative electrode active material comprises a silicon-based active material, and wherein the conductive material is composed of a single-walled carbon nanotube (swcnt).
Inventor(s): Sanghun Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0404
Abstract: a multipurpose jig, which is used to set an apparatus for manufacturing a secondary battery, includes: a main body part; a first measurement part protruding from one end of the main body part based on a longitudinal direction of the main body part; and a second measurement part formed to have a stepped portion at the other end thereof based on the longitudinal direction of the main body part.
Inventor(s): Jae-Eun LEE of Daejeon (KR) for lg energy solution, ltd., Jong-Sik PARK 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., Jae-Won LIM of Daejeon (KR) for lg energy solution, ltd., Yu-Sung CHOE of Daejeon (KR) for lg energy solution, ltd., Byoung-Gu LEE of Daejeon (KR) for lg energy solution, ltd., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd., Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, B60L50/64, H01M50/107, H01M50/152, H01M50/167, H01M50/186, H01M50/213, H01M50/567
CPC Code(s): H01M10/0431
Abstract: an electrode assembly, a battery, a battery pack and a vehicle including the same are provided. in the electrode assembly, the uncoated portion of an electrode includes a segment region divided into a plurality of segments, and the segment region includes a plurality of segment groups separated by a group separation pitch along a winding direction. one end of the electrode assembly includes a plurality of segment alignments. in winding turns corresponding to the plurality of segment alignments, group separation pitches of segment groups disposed in a same winding turn are substantially identical, and separation pitches of the segment groups is greater in a winding turn of a region adjacent to the outer circumference of the electrode assembly than in a winding turn of a region adjacent to the core of the electrode assembly.
Inventor(s): Sang Jih KIM of Daejeon (KR) for lg energy solution, ltd., Nak Gi SUNG of Daejeon (KR) for lg energy solution, ltd., Eui Kyung LEE of Daejeon (KR) for lg energy solution, ltd., Suk Hyun HONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M10/058, H01M10/44
CPC Code(s): H01M10/0468
Abstract: a method of activating a lithium secondary battery includes a pressurization process pressurizing the lithium secondary battery while changing pressure at one or two or more time periods selected from before an activation process, after the activation process, and between activation steps of the activation process.
20240322267. BATTERY PACK MANAGEMENT DEVICE_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Chang-Hyun SUNG of Daejeon (KR) for lg energy solution, ltd., Jae-Dong PARK of Daejeon (KR) for lg energy solution, ltd., Sang-Hoon LEE of Daejeon (KR) for lg energy solution, ltd., Yean-Sik CHOI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/42, B60L3/12, B60L50/50, H01M10/48, H02J7/00, H02J13/00
CPC Code(s): H01M10/425
Abstract: a slave battery management system (bms) for communicating with a master battery management system (bms) of a vehicle, in one example includes a power supply configured to receive power from a battery module and transmit the received power, a state measurement sensor configured to measure state information of at least one of a voltage and a temperature of the battery module, a communicator configured to transmit and receive communication signal to and from the master bms, and a controller programmed to control an on/off time of the communicator. further, the power supply of the slave bms includes a power supply unit and a switching unit disposed between the power supply unit and the controller.
20240322270. BATTERY SYSTEM_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Sunwoo YOON of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/42, H02J7/00
CPC Code(s): H01M10/4264
Abstract: a battery system includes a plurality of battery packs, each of the plurality of battery packs including a plurality of battery cells, a plurality of slave battery management systems (bmss) managing the plurality of battery packs, each of the plurality of bmss including a battery monitoring integrated circuit (bmic), and a relay turned on when the bmic operates, a plurality of first resistors between both ends of a power source, a plurality of second resistors, a third resistor connected between the power source and the plurality of first resistors, and a master bms determining positions and a number of bmics operating among the plurality of bmics based on a sensing voltage obtained by dividing a voltage of the power source by at least one of the third resistor, the plurality of first resistors, and the plurality of second resistors.
Inventor(s): Yong Tae KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/44, H01M50/581, H02J7/00
CPC Code(s): H01M10/44
Abstract: a gripper assembly for charging and discharging a secondary battery is provided. the gripper assembly includes a gripper body part configured to press an electrode lead of the secondary battery, a contact member coupled to one side of the gripper body, the contact member being configured to be pressed on a surface of the electrode lead, a safety block part located in the gripper body part, the safety block having a shape that is transformed when heat is transferred from the secondary battery to release a pressed state of the electrode lead by the gripper body part, and a heat conducting part configured to connect the secondary battery and the safety block part. a secondary battery charging and discharging including the gripper assembly is also provided.
Inventor(s): Ju Hyeon CHO of Daejeon (KR) for lg energy solution, ltd., Sung Hoon YU of Daejeon (KR) for lg energy solution, ltd., Gyu Ok HWANG of Daejeon (KR) for lg energy solution, ltd., Nak Gi SUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/52, B01D53/04, H01M50/105, H01M50/124, H01M50/136
CPC Code(s): H01M10/52
Abstract: a secondary battery includes a pouch coated with a gas absorbent and its manufacturing method are provided. the secondary battery includes a pouch case, a cell stored inside the pouch case, and a gas absorbent between two mating surface of a surplus part of a pouch case.
20240322279. Battery Case and Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Hanyoung Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/52, H01M50/105
CPC Code(s): H01M10/52
Abstract: a battery case includes a battery case and a gas adsorber accommodated inside the case, wherein a gas adsorption pack is opened as the internal pressure of the case increases.
20240322279. Battery Case and Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Hanyoung Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/52, H01M50/105
CPC Code(s): H01M10/52
Abstract: the gas adsorption pack is filled with a gas adsorbent accommodated inside the case, prevent deformation of the case, and reduce the resistance of the secondary battery and allowing the secondary battery to be operated even after the gas adsorption pack is opened. a secondary battery including the same is also included.
20240322310. BUTTON-TYPE SECONDARY BATTERY_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Sang Hak CHAE of Daejeon (KR) for lg energy solution, ltd., Young Ji TAE of Daejeon (KR) for lg energy solution, ltd., Joo Hwan SUNG of Daejeon (KR) for lg energy solution, ltd., Min Su CHO of Daejeon (KR) for lg energy solution, ltd., Geun Young PARK of Daejeon (KR) for lg energy solution, ltd., Min Gyu KIM of Daejeon (KR) for lg energy solution, ltd., Min Seon KIM of Daejeon (KR) for lg energy solution, ltd., Yeong Hun JUNG of Daejeon (KR) for lg energy solution, ltd., Min Young JU of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/14, H01M10/04, H01M50/109, H01M50/169, H01M50/186, H01M50/474, H01M50/545, H01M50/548
CPC Code(s): H01M50/14
Abstract: a button-type secondary battery may include: an electrode assembly; a can body housing the electrode assembly; a base plate including a through-hole and covering an opening at an upper end of the can body; an electrode terminal covering the through-hole of the base plate, at least a portion of the electrode terminal being inserted into the through-hole of the base plate; an insulating gasket configured to insulate the electrode terminal and the base plate from each other; and an insulating sheet disposed on a bottom surface of the base plate to insulate the bottom surface of the base plate. the electrode terminal may include: an insertion part inserted into the through-hole; and a terminal plate part extending outward from an upper end of the insertion part and having a plate shape, wherein the insertion part has a diameter that gradually increases in a direction toward the electrode assembly.
Inventor(s): Jeong-Seop Oh of Daejeon (KR) for lg energy solution, ltd., Bo-Hyun Kang of Daejeon (KR) for lg energy solution, ltd., Do-Gyun Kim of Daejeon (KR) for lg energy solution, ltd., Gu-Min Lim of Daejeon (KR) for lg energy solution, ltd., Min-Ki Jo of Daejeon (KR) for lg energy solution, ltd., Kwang Su Hwangbo of Daejeon (KR) for lg energy solution, ltd., Seon-Min Lee of Daejeon (KR) for lg energy solution, ltd., Gu-Jin Chung of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/193, H01M10/0587, H01M50/179, H01M50/184, H01M50/188, H01M50/213, H01M50/559, H01M50/566
CPC Code(s): H01M50/193
Abstract: disclosed is a fixing structure of an electrode terminal, and a battery, a battery pack and a vehicle including the same. the fixing structure of an electrode terminal includes a battery housing having an open end and a bottom portion in which a perforation hole is formed; an electrode terminal installed through the perforation hole not to contact an inner wall of the perforation hole; and a terminal gasket interposed between the electrode terminal and the perforation hole. a hot-melt layer is interposed at the interface between the electrode terminal and the terminal gasket or the interface between the terminal gasket and the battery housing.
20240322322. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Chang Hyeon YANG of Daejeon (KR) for lg energy solution, ltd., Ju Hwan SHIN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/233, H01M10/42, H01M10/48, H01M50/258, H01M50/298, H01M50/507, H01M50/569
CPC Code(s): H01M50/233
Abstract: a battery pack includes a pack case that includes external terminals formed on one side and contains a plurality of battery modules inside; a protective frame that extends across the pack case and defines the module area; a busbar that electrically connects the battery modules and the external terminals of the pack case; and a battery management unit located on the other side opposite to the pack case from where the external terminals are formed. the protective frame includes slots extending along the length direction of the protective frame, the module area is compartmentalized by the protective frame and includes a first battery part formed on one side of the protective frame and a second battery part formed on the opposite side of the protective frame, the busbar is inserted and secured within the slots of the protective frame, and the protective frame surrounds its sides.
20240322348. BATTERY MODULE WITH REINFORCED SAFETY_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Kwang-Mo KIM of Daejeon (KR) for lg energy solution, ltd., Jun-Yeob SEONG of Daejeon (KR) for lg energy solution, ltd., Hye-Mi JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/293, H01M50/211, H01M50/24, H01M50/249
CPC Code(s): H01M50/293
Abstract: a battery module has a structure to improve safety. the battery module includes a cell assembly having at least one battery cell; a body frame configured to accommodate the cell assembly in an inner space and having an open portion formed in at least one side; an end frame coupled to the open portion of the body frame and having at least one of a terminal portion and a connector portion; and a blocking member interposed between the end frame and the cell assembly and configured to block the movement of flame.
Inventor(s): Doo Seung Kim of Daejeon (KR) for lg energy solution, ltd., II Suk Sim of Daejeon (KR) for lg energy solution, ltd., Yeon Chul Choo of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/342, H01M50/308
CPC Code(s): H01M50/3425
Abstract: disclosed herein is a gas venting device, and a battery module and a battery pack including the same. a cross-sectional area of a flow path according to the gas discharge direction of the gas venting device can be increased or decreased to allow a larger flow rate of gas to be discharged with a venting disk of the same area. the venting disk can be installed on an outlet side of the gas discharge flow path to protect internal components, and the like.
Inventor(s): Won Pill Hwang of Daejeon (KR) for lg energy solution, ltd., Mincheol Choi of Daejeon (KR) for lg energy solution, ltd., Shin Chul Kim of Daejeon (KR) for lg energy solution, ltd., Hyeok Jeong of Daejeon (KR) for lg energy solution, ltd., Sangho Bae of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/342, H01M50/105, H01M50/186, H01M50/193
CPC Code(s): H01M50/3425
Abstract: the present disclosure relates to a battery cell and a manufacturing method thereof. the battery cell according to one embodiment of the present disclosure includes an electrode assembly including a cathode, an anode and a separator; and a battery case including a sealing portion that houses the electrode assembly and seals an outer periphery of the electrode assembly, wherein the sealing portion includes a first area, and a second area excluding the first area, and wherein the first area is an area where the crystallinity of the battery case is higher than that of the second area.
Inventor(s): Subin PARK of Daejeon (KR) for lg energy solution, ltd., Junyeob SEONG of Daejeon (KR) for lg energy solution, ltd., Won Kyoung PARK of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/367, H01M10/613, H01M10/6551, H01M10/6556, H01M50/211, H01M50/383
CPC Code(s): H01M50/367
Abstract: a battery module includes a battery cell stack in which a plurality of battery cells are stacked; a module frame that houses the battery cell stack; and a flame exhaust frame arranged so as to cover one surface of the module frame, wherein the flame exhaust frame is formed in a recessed shape in a direction opposite to the direction in which the one surface of the module frame is located. a passage part is formed between the flame exhaust frame and the one surface of the module frame, and the passage part extends to a flame exhaust port formed in the flame exhaust frame.
Inventor(s): Soo Ji Hwang of Daejeon (KR) for lg energy solution, ltd., Sang Hun Kim of Daejeon (KR) for lg energy solution, ltd., Yong Su Choi of Daejeon (KR) for lg energy solution, ltd., Hyung Kyun Yu of Daejeon (KR) for lg energy solution, ltd., NaYoon Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/30, H01M50/105, H01M50/184, H01M50/188, H01M50/325
CPC Code(s): H01M50/394
Abstract: a battery case for a secondary battery according to an embodiment of the present invention for achieving the object can include a cup part provided with an accommodation space configured to accommodate an electrode assembly formed by stacking an electrode and a separator; a sealing part extending outward from the cup part; and a gas discharge part which is attached from the inside to a hole formed by perforating at least one of the cup part or the sealing part and through which a gas passes. the gas discharge part can include a gas discharge layer through which the gas passes; and an outer functional layer which is formed on an outer surface of the gas discharge layer and has hydrophobicity.
Inventor(s): In-Hyouk SUNG of Daejeon (KR) for lg energy solution, ltd., Kyung-Ryun KA of Daejeon (KR) for lg energy solution, ltd., Ji-Su LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/414, H01M50/403, H01M50/449, H01M50/489
CPC Code(s): H01M50/414
Abstract: a separator for an electrochemical device having excellent compression resistance, an electrochemical device including the same, and a method of manufacturing the same. the separator for an electrochemical device includes a polymer layer on at least one surface of a porous polymer substrate. the polymer layer includes a binder polymer having a crosslinked structure including a structure represented by the following chemical formula 1:
Inventor(s): In-Hyouk SUNG of Daejeon (KR) for lg energy solution, ltd., Kyung-Ryun KA of Daejeon (KR) for lg energy solution, ltd., Ji-Su LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/414, H01M50/403, H01M50/449, H01M50/489
CPC Code(s): H01M50/414
Abstract:
Inventor(s): Kyung-Tae KIM of Daejeon (KR) for lg energy solution, ltd., Dong-Hun BAE of Daejeon (KR) for lg energy solution, ltd., Yong-Hyeok LEE of Daejeon (KR) for lg energy solution, ltd., So-Mi JEONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/446, H01M10/052, H01M50/403, H01M50/44
CPC Code(s): H01M50/446
Abstract: a method for manufacturing a non-woven separator for a lithium secondary battery, includes: (s1) preparing a first solution of �-chitin dissolved in a first solvent and a second solution of vinylidene fluoride-trifluoroethylene copolymer (pvdf-trfe) dissolved in a second solvent; (s2) coaxial electrospinning with the first solution as a core solution and the second solution as a shell solution to produce a non-woven fabric formed of a fiber with a core-shell structure having a core portion of the �-chitin and a shell portion of the vinylidene fluoride-trifluoroethylene copolymer; and (s3) performing heat treatment on the non-woven fabric at a temperature lower than a thermal decomposition point of the �-chitin and higher than a melting point of the vinylidene fluoride-trifluoroethylene copolymer to melt and recrystallize the vinylidene fluoride-trifluoroethylene copolymer.
Inventor(s): Ji Yeon 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., In Hyouk SUNG of Daejeon (KR) for lg energy solution, ltd., Ji Hyeon KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/446, H01M10/052, H01M10/0569, H01M50/42, H01M50/449
CPC Code(s): H01M50/446
Abstract: the present invention relates to 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 contains an acrylic acid-based binder, an acrylamide-based binder, and inorganic particles, and wherein the porous coating layer contains about 90% by weight to 96% by weight of the inorganic particles based on the total weight of the porous coating layer, and a weight ratio of the acrylic acid-based binder and the acrylamide-based binder is about 3:7 to 7:3.
Inventor(s): Ji Hyeon 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., In Hyouk Sung of Daejeon (KR) for lg energy solution, ltd., Ji Yeon Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/449, H01M50/417, H01M50/42, H01M50/446
CPC Code(s): H01M50/449
Abstract: 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, the porous coating layer includes inorganic particles and a polymer binder, the inorganic particles include, on surfaces thereof, a coating layer of a polymer including an amine group, and at least a portion of the polymer binder is crosslinked with the polymer including the amine group.
Inventor(s): Kyung-Mo Kim of Daejeon (KR) for lg energy solution, ltd., Jeong-O Mun of Daejeon (KR) for lg energy solution, ltd., Jin-Yong Park of Daejeon (KR) for lg energy solution, ltd., Ho-June Chi of Daejeon (KR) for lg energy solution, ltd., Seung-Joon Kim of Daejeon (KR) for lg energy solution, ltd., Hee-Jun Jin of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/505, H01M50/209, H01M50/211, H01M50/249, H01M50/262, H01M50/271, H01M50/291, H01M50/50
CPC Code(s): H01M50/505
Abstract: a battery module includes a plurality of battery cells, a base frame configured to support the plurality of battery cells, a cover frame coupled to the base frame to cover the plurality of battery cells, and a bus bar unit coupled to the cover frame in a tiltable manner so as to be pivotable between a first location fixed to the cover frame and a second location fixed to the base frame, where the first location is oriented at a predetermined angle relative to the second location.
Inventor(s): Geon-Woo MIN of Daejeon (KR) for lg energy solution, ltd., Min-Ki JO of Daejeon (KR) for lg energy solution, ltd., Do-Gyun KIM of Daejeon (KR) for lg energy solution, ltd., Jae-Woong KIM of Daejeon (KR) for lg energy solution, ltd., Kwang-Su HWANGBO of Daejeon (KR) for lg energy solution, ltd., Jong-Sik PARK of Daejeon (KR) for lg energy solution, ltd., Jae-Won LIM of Daejeon (KR) for lg energy solution, ltd., Yu-Sung CHOE 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., Byoung-Gu LEE of Daejeon (KR) for lg energy solution, ltd., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd., Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd., Jae-Eun LEE of Daejeon (KR) for lg energy solution, ltd., Hae-Jin LIM of Daejeon (KR) for lg energy solution, ltd., Su-Ji CHOI of Daejeon (KR) for lg energy solution, ltd., Bo-Hyun KANG of Daejeon (KR) for lg energy solution, ltd., Ji-Min JUNG of Daejeon (KR) for lg energy solution, ltd., Jin-Hak KONG of Daejeon (KR) for lg energy solution, ltd., Soon-O LEE of Daejeon (KR) for lg energy solution, ltd., Kyu-Hyun CHOI of Daejeon (KR) for lg energy solution, ltd., Pil-Kyu PARK of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/559, H01M10/0587, H01M50/107, H01M50/167, H01M50/179, H01M50/184, H01M50/186, H01M50/531, H01M50/562, H01M50/566, H01M50/567, H01M50/586, H01M50/59
CPC Code(s): H01M50/559
Abstract: disclosed is a fixing structure of an electrode terminal, and a battery, a battery pack and a vehicle including the same. the fixing structure of an electrode terminal includes a battery housing configured to be opened at one side and have a bottom at the other side in which a perforation hole is formed; an electrode terminal installed through the perforation hole not to contact an inner wall of the perforation hole; and a terminal gasket interposed between the electrode terminal and the perforation hole, and the electrode terminal includes a body portion inserted into the perforation hole; an outer flange portion configured to extend along an outer surface of the bottom of the battery housing from a first side of the body portion; an inner flange portion configured to extend toward an inner surface of the bottom of the battery housing from a second side of the body portion; and a flat portion provided to an inner side of the inner flange portion.
Inventor(s): Yeo-Min Yoon of Daejeon (KR) for lg energy solution, ltd., Dong-Kyu Kim of Daejeon (KR) for lg energy solution, ltd., Ji-Hoon Ryu of Ddaejeon (KR) for lg energy solution, ltd., Tae-Seob Lim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/609, H01M10/04
CPC Code(s): H01M50/609
Abstract: disclosed is a method for manufacturing a secondary battery in which the inner part of a battery is uniformly wetted with a liquid electrolyte, and then the electrolyte is gelled. therefore, it is possible to obtain a secondary battery having a uniform distribution of the gel polymer electrolyte in the battery through uniform wetting with the gel polymer electrolyte. in addition, as compared to a battery using a liquid electrolyte, the gel polymer electrolyte secondary battery obtained by the method for manufacturing a secondary battery according to the present disclosure causes no leakage of the electrolyte, has excellent heat resistance and safety and high durability, and shows uniform electrochemical properties throughout the whole battery through the uniform distribution of the electrolyte inside of the battery.
20240322588. BATTERY CONTROL APPARATUS AND METHOD_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Bo-Kyung SEO of Daejeon (KR) for lg energy solution, ltd., Chi-Ho MOON of Daejeon (KR) for lg energy solution, ltd., Ki-Bum PARK of Daejeon (KR) for lg energy solution, ltd., Jae-Young CHO of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H02J7/00, B60L53/62, G01R31/3835, H01M10/42, H01M10/44, H01M10/48
CPC Code(s): H02J7/007182
Abstract: a battery control apparatus includes a memory for storing a criterion voltage for a battery; a measuring unit for measuring a voltage of the battery during a charging or discharging process of the battery; and a processor for comparing the measured voltage and the criterion voltage during the charging or discharging process of the battery and changing a charging c-rate or a discharging c-rate for the battery when the measured voltage corresponds to the criterion voltage.
LG ENERGY SOLUTION, LTD. patent applications on September 26th, 2024
- LG ENERGY SOLUTION, LTD.
- A62C3/16
- H01M10/42
- H01M50/367
- CPC A62C3/16
- Lg energy solution, ltd.
- B08B1/16
- B08B1/34
- CPC B08B1/165
- B30B9/28
- B30B3/04
- H01M4/04
- CPC B30B9/28
- B30B15/00
- B08B5/02
- B08B5/04
- H01M10/04
- H01M50/536
- CPC B30B15/0082
- G01N27/20
- B23K31/12
- G01N27/02
- H01M50/609
- CPC G01N27/20
- G01R31/385
- G01R31/36
- G01R31/371
- G01R31/392
- CPC G01R31/385
- G01R31/389
- CPC G01R31/389
- G06F21/64
- G06F11/10
- G06F21/60
- CPC G06F21/64
- G09B19/24
- B23K26/38
- B23K101/36
- G06Q10/0639
- G06Q10/067
- G09B5/02
- CPC G09B19/24
- CPC H01M4/0435
- H01M4/36
- H01M4/02
- H01M4/133
- H01M4/587
- CPC H01M4/366
- H01M4/38
- H01M4/583
- H01M4/62
- H01M10/0525
- CPC H01M4/38
- H01M4/505
- H01M4/525
- H01M10/052
- H01M10/0567
- H01M10/0568
- H01M10/0569
- H01M10/058
- CPC H01M4/505
- H01M4/134
- CPC H01M4/583
- H01M4/13
- H01M4/139
- H01M4/48
- CPC H01M4/625
- CPC H01M10/0404
- B60L50/64
- H01M50/107
- H01M50/152
- H01M50/167
- H01M50/186
- H01M50/213
- H01M50/567
- CPC H01M10/0431
- H01M10/44
- CPC H01M10/0468
- B60L3/12
- B60L50/50
- H01M10/48
- H02J7/00
- H02J13/00
- CPC H01M10/425
- CPC H01M10/4264
- H01M50/581
- CPC H01M10/44
- H01M10/52
- B01D53/04
- H01M50/105
- H01M50/124
- H01M50/136
- CPC H01M10/52
- H01M50/14
- H01M50/109
- H01M50/169
- H01M50/474
- H01M50/545
- H01M50/548
- CPC H01M50/14
- H01M50/193
- H01M10/0587
- H01M50/179
- H01M50/184
- H01M50/188
- H01M50/559
- H01M50/566
- CPC H01M50/193
- H01M50/233
- H01M50/258
- H01M50/298
- H01M50/507
- H01M50/569
- CPC H01M50/233
- H01M50/293
- H01M50/211
- H01M50/24
- H01M50/249
- CPC H01M50/293
- H01M50/342
- H01M50/308
- CPC H01M50/3425
- H01M10/613
- H01M10/6551
- H01M10/6556
- H01M50/383
- CPC H01M50/367
- H01M50/30
- H01M50/325
- CPC H01M50/394
- H01M50/414
- H01M50/403
- H01M50/449
- H01M50/489
- CPC H01M50/414
- H01M50/446
- H01M50/44
- CPC H01M50/446
- H01M50/42
- H01M50/417
- CPC H01M50/449
- H01M50/505
- H01M50/209
- H01M50/262
- H01M50/271
- H01M50/291
- H01M50/50
- CPC H01M50/505
- H01M50/531
- H01M50/562
- H01M50/586
- H01M50/59
- CPC H01M50/559
- CPC H01M50/609
- B60L53/62
- G01R31/3835
- CPC H02J7/007182
