LG Energy Solution, Ltd. patent applications on February 13th, 2025
Patent Applications by LG Energy Solution, Ltd. on February 13th, 2025
LG Energy Solution, Ltd.: 33 patent applications
LG Energy Solution, Ltd. has applied for patents in the areas of H01M4/02 (9), H01M4/36 (7), H01M4/04 (7), H01M10/0525 (6), H01M4/525 (5) H01M10/0562 (2), H01M10/0585 (1), H01M50/505 (1), H01M50/503 (1), H01M50/474 (1)
With keywords such as: battery, electrode, negative, including, secondary, portion, cell, configured, lithium, and sheet in patent application abstracts.
Patent Applications by LG Energy Solution, Ltd.
Inventor(s): Joon Sun Park of Daejeon (KR) for lg energy solution, ltd., Guk Tae Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B05C5/02, B05C9/06, H01M4/04
CPC Code(s): B05C5/0254
Abstract: disclosed herein is a die coater capable of effectively simultaneously coating a current collector for a secondary battery with two types of different liquids, which includes a lower block provided with a manifold configured to accommodate a first liquid, an upper block coupled to the lower block and provided with a second liquid inlet, and a coater shim interposed between the upper block and the lower block to form a first slit and a second slit which open toward a front side and are separated from each other, wherein the coater shim is provided with a second liquid flow path on a center guide extending to protrude to the front side across the manifold, and a manifold insert configured to support a bottom surface of the center guide is provided inside the manifold.
Inventor(s): Seok Won JEUNG of Daejeon (KR) for lg energy solution, ltd., Choon Kwon KANG of Daejeon (KR) for lg energy solution, ltd., Hyun Min OH of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/36, G01R31/389, G01R31/396, H01M10/42
CPC Code(s): G01R31/3646
Abstract: discussed is a battery cell weld inspection apparatus including a plate configured to allow a battery cell cassette having a plurality of battery cells disposed therein to be mounted thereon, an orthogonal robot configured to move above the battery cell cassette fixed to the plate, a laser pointer coupled to the orthogonal robot, the laser pointer being configured to mark a defective battery cell among the plurality of battery cells, and an alignment unit configured to align the position of the battery cell cassette such that the battery cell cassette is disposed in an operation zone of the orthogonal robot. also discussed is a battery cell weld inspection method using the battery cell weld inspection apparatus, whereby it is possible to prevent inspection of defective battery cells from being missed in the final inspection stage of determining whether welds are defective.
Inventor(s): Kwi-Sub YUN of Daejeon (KR) for lg energy solution, ltd., Hyoung-Kwon KIM of Daejeon (KR) for lg energy solution, ltd., Min-Geun KIM of Daejeon (KR) for lg energy solution, ltd., Su-Deok KIM of Daejeon (KR) for lg energy solution, ltd., Jin-Soo KIM of Daejeon (KR) for lg energy solution, ltd., Kwang-Soo LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/374, G01R31/378, G01R31/3842, H01M10/42, H02J7/00
CPC Code(s): G01R31/374
Abstract: a battery state estimating apparatus according to an embodiment of the present disclosure includes a measuring unit configured to measure a charging current, and voltage and temperature of a battery in a constant current charging process and a constant voltage charging process of the battery; and a control unit configured to judge whether an abnormal behavior occurs in the battery according to a behavior of at least one of the charging current, the voltage of the battery and the temperature of the battery in at least one of the constant current charging process and the constant voltage charging process, and determine whether lithium precipitation occurs in the battery based on the judged abnormal behavior of the battery.
Inventor(s): Jae Man Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/385, G01R31/36, G01R31/52, G01R31/56
CPC Code(s): G01R31/3865
Abstract: the present technology relates to a tab guide, a tab guide device including the tab guide, and a battery cell pressing short circuit device using the tab guide device. more specifically, the present technology provides a tab guide configured to increase a width of an inlet into which a battery cell lead is inserted, using extending members of a flexible material.
Inventor(s): Hojin Ryu of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G06F30/20
CPC Code(s): G06F30/20
Abstract: disclosed is an apparatus for predicting a failure rate, the apparatus comprising: an aging simulator configured to generate a plurality of capacity fades by simulating a life analysis on a plurality of extended driving profiles generated by combining at least two driving profiles extracted from original data, wherein a plurality of climate conditions are applied to the life analysis; and part per million (ppm) simulator configured to generate a plurality of probability weights based on a plurality of extended weights corresponding to the plurality of extended driving profiles and weights corresponding to the plurality of climate conditions, and calculate a ppm value based on the plurality of capacity fades and the plurality of probability weights.
Inventor(s): Tae Jong Kim of Daejeon (KR) for lg energy solution, ltd., Su Taek Jung of Daejeon (KR) for lg energy solution, ltd., Sang Ho Bae of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04
CPC Code(s): H01M4/0404
Abstract: an apparatus for manufacturing an electrode according to an embodiment of the present invention includes a pattern formation mechanism configured to form a pattern groove in an electrode, the electrode including an electrode collector and a coating part made of an electrode active material applied on at least one surface of the electrode collector. the pattern formation mechanism presses a surface of the coating part to form the pattern groove, the pattern groove being an intaglio pattern in the coating part. related methods for manufacturing the electrode and the electrode manufactured thereby are provided.
Inventor(s): Eun Sol Lho of Daejeon (KR) for lg energy solution, ltd., Gi Beom Han of Daejeon (KR) for lg energy solution, ltd., Jong Woo Kim of Daejeon (KR) for lg energy solution, ltd., Wang Mo Jung of Daejeon (KR) for lg energy solution, ltd., Sang Min Park of Daejeon (KR) for lg energy solution, ltd., Sang Wook Lee of Daejeon (KR) for lg energy solution, ltd., Seul Ki Kim of Daejeon (KR) for lg energy solution, ltd., Hyeong II Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/131, H01M4/02, H01M4/36, H01M4/525, H01M4/62, H01M10/0525
CPC Code(s): H01M4/131
Abstract: a positive electrode for a lithium secondary battery includes a collector; and a positive electrode active material layer disposed on at least one surface of the collector, wherein the ratio of a peak intensity of a (003) plane to a peak intensity of a (101) plane of the positive electrode measured by x-ray diffraction analysis is 8 or more.
20250054952. Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Shulkee Kim of Daejeon (KR) for lg energy solution, ltd., Misnoo Kim of Daejeon (KR) for lg energy solution, ltd., Sora Baek of Daejeon (KR) for lg energy solution, ltd., Sang Seung Oh of Daejeon (KR) for lg energy solution, ltd., Kwang Ho Yoo of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/525, H01M4/587
CPC Code(s): H01M4/366
Abstract: a secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolyte the negative electrode includes a negative electrode active material that has a si-based active material and a carbon-based active material. the positive electrode includes a ni-based active material that has a cobalt oxide layer provided on a portion of a surface of a particle.
Inventor(s): Su Jin PARK of Daejeon (KR) for lg energy solution, ltd., Jaewook LEE of Daejeon (KR) for lg energy solution, ltd., Yohan KWON of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/48, H01M4/02, H01M4/04, H01M4/1395, H01M4/36, H01M4/62, H01M10/052
CPC Code(s): H01M4/48
Abstract: disclosed is a negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode.
20250054975. 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).
Inventor(s): Junghyun CHOI of Daejeon (KR) for lg energy solution, ltd., Semi PARK of Daejeon (KR) for lg energy solution, ltd., Heeyeon PARK of Daejeon (KR) for lg energy solution, ltd., Sun Young SHIN of Daejeon (KR) for lg energy solution, ltd., Ilgeun OH of Daejeon (KR) for lg energy solution, ltd., Yong Ju LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/58, H01M4/02, H01M4/04
CPC Code(s): H01M4/5825
Abstract: disclosed are a negative electrode active material, a negative electrode including the same, a secondary battery including the same and a method for preparing the negative electrode active material. the negative electrode active material can include silicon-based particles including sio, wherein 0<x<2, and a li compound, wherein the li compound includes a crystalline lithium silicate including lisio, and optionally also including at least selected from the group consisting crystalline lisioand crystalline lisio, a content of the crystalline lisiois higher than the sum of a content of the crystalline lisioand a content of the crystalline lisio, the content of the crystalline lisiois included in an amount of 60 parts by weight or more based on 100 parts by weight of crystalline lithium silicate, and a total content of a crystalline phase present in the silicon-based particles is higher than a total content of an amorphous phase.
Inventor(s): Kyu Taek KANG of Daejeon (KR) for lg energy solution, ltd., Min Su KIM of Daejeon (KR) for lg energy solution, ltd., Jong Seok PARK of Daejeon (KR) for lg energy solution, ltd., June Hee KIM of Daejeon (KR) for lg energy solution, ltd., Min Kyu SIM of Daejeon (KR) for lg energy solution, ltd., Jee Yeon KOH of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M10/48
CPC Code(s): H01M10/0409
Abstract: systems and methods for manufacturing a battery are disclosed. one system may include: a first cutter configured to cut a first electrode sheet into a first electrode portion; a second cutter configured to cut a second electrode sheet into a second electrode portion having a second length; a winder configured to form an electrode assembly by winding the first electrode portion, the second electrode portion, a separator between the first electrode portion and the second electrode portion; and an identification information assigning device configured to assign identification information to the electrode assembly based on: a cut count value of the first electrode sheet and/or a cut count value of the second electrode sheet; and/or a position coordinate value of the first electrode sheet and/or a position coordinate value of the second electrode sheet.
Inventor(s): Hyun Choi of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M10/0525, H01M10/0587, H01M50/46
CPC Code(s): H01M10/0431
Abstract: a jelly-roll type electrode assembly includes a first separator sheet, a first electrode sheet, a second separator sheet, and a second electrode sheet sequentially stacked and wound circumferentially into a spiral such that the first separator sheet is located at the innermost side of the wound stack and the second electrode sheet is located at the outermost side of the wound stack. a corner of the inner end of the second electrode sheet in the circumferential direction the is in contact with the first separator sheet and the second separator sheet is rounded. the rounded corner helps to prevent damage to the separator sheet by a positive electrode sheet expanding during a charging and discharging process of the electrode assembly.
Inventor(s): Daesoo Kim of Daejeon (KR) for lg energy solution, ltd., Youngdeok Kim of Daejeon (KR) for lg energy solution, ltd., Soon Hyung Choi of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M50/46
CPC Code(s): H01M10/0459
Abstract: the present disclosure relates to an electrode assembly and a battery cell including the same, and an electrode assembly according to one embodiment of the present disclosure is configured to stack a plurality of unit cells including a negative electrode, a positive electrode and a separator are stacked, and to include a separator located between the plurality of unit cells. the electrode assembly includes a first unit cell in which an end of the negative electrode protrudes more than an end of the positive electrode; and a second unit cell in which an end of the positive electrode protrudes more than an end of the negative electrode.
20250055019. 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., Hye In KO of Daejeon (KR) for lg energy solution, ltd., Ran Eun LEE of Daejeon (KR) for lg energy solution, ltd., Jin Young PARK 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.
Inventor(s): Su Jin PARK of Daejeon (KR) for lg energy solution, ltd., Jaewook LEE of Daejeon (KR) for lg energy solution, ltd., Sangmin LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0525, H01M4/02, H01M4/04, H01M4/36, H01M4/38, H01M4/62
CPC Code(s): H01M10/0525
Abstract: disclosed is a negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode.
Inventor(s): Jung Pil LEE of Daejeon (KR) for lg energy solution, ltd., Jeongbeom LEE of Daejeon (KR) for lg energy solution, ltd., Min Sang SONG of Daejeon (KR) for lg energy solution, ltd., Ying Shirley MENG of San Diego CA (US) for lg energy solution, ltd., Zheng CHEN of San Diego CA (US) for lg energy solution, ltd., Yu-Ting CHEN of La Jolla CA (US) for lg energy solution, ltd.
IPC Code(s): H01M10/0562
CPC Code(s): H01M10/0562
Abstract: methods for recovering the performance of a halide-based solid electrolyte are described. in one aspect, a halide-based solid electrolyte that has been exposed to air is subjected to a heat-treatment process, where the performance of the halide-based solid electrolyte is recovered, e.g., the ionic conductivity obtained after heat treatment is recovered to a level similar to that before air exposure.
Inventor(s): Jeongbeom LEE of Daejeon (KR) for lg energy solution, ltd., Min Sang SONG of Daejeon (KR) for lg energy solution, ltd., Ying Shirley MENG of San Diego CA (US) for lg energy solution, ltd., So-Yeon HAM of San Diego CA (US) for lg energy solution, ltd.
IPC Code(s): H01M10/0562, H01M4/134, H01M4/62, H01M10/058
CPC Code(s): H01M10/0562
Abstract: disclosed is a negative electrode for an all-solid-state battery and an all-solid-state battery including the negative electrode. more specifically, disclosed is a pre-lithiated silicon negative electrode, and an all-solid-state battery comprising the same.
Inventor(s): Gui Long JIN of Daejeon (KR) for lg energy solution, ltd., Seung He WOO of Daejeon (KR) for lg energy solution, ltd., Hyo Sik KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0585, H01M4/02, H01M4/131, H01M4/134, H01M4/139, H01M10/0525, H01M10/0562, H01M50/409, H01M50/491, H01M50/531
CPC Code(s): H01M10/0585
Abstract: a method of preparing a lithium secondary battery is provided which may effectively perform pre-lithiation, wherein, a closed square band-shaped lithium foil having an opening formed at a center thereof is prepared during the preparation of the lithium secondary battery, and a negative electrode is disposed in the opening of the lithium foil, but pre-lithiation of the negative electrode may be performed without a separate pre-lithiation process by disposing the negative electrode and the lithium foil so as not to overlap with each other and disposing a negative electrode tab so as to be in contact with the lithium foil.
20250055055. BATTERY APPARATUS_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Eun-Gyu SHIN of Daejeon (KR) for lg energy solution, ltd., Jeong-O MUN of Daejeon (KR) for lg energy solution, ltd., Dal-Mo KANG of Daejeon (KR) for lg energy solution, ltd., Mi-Geum CHOI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/613, H01M10/625, H01M10/647, H01M10/653, H01M10/6554, H01M50/20, H01M50/211
CPC Code(s): H01M10/613
Abstract: discussed is a battery module including a plurality of pouch-type secondary batteries arranged in parallel to each other, each pouch type secondary battery comprising an electrode assembly, a receiving portion configured to receive the electrode assembly and a pouch exterior, a cooling plate arranged under the plurality of pouch-type secondary batteries to accommodate the plurality of pouch-type secondary batteries, and a thermally conductive adhesive between the plurality of pouch-type secondary batteries and the cooling plate. the cooling plate includes a first recess to receive a portion of the pouch exterior and a second recess to receive a portion of the thermally conductive adhesive.
Inventor(s): Jin-Yong Park of Daejeon (KR) for lg energy solution, ltd., Ho-June Chi of Daejeon (KR) for lg energy solution, ltd., Jhin-Ha Park of Daejeon (KR) for lg energy solution, ltd., Jae-Min Yoo of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/6568, H01M10/613, H01M10/625, H01M50/249, H01M50/289
CPC Code(s): H01M10/6568
Abstract: a battery pack according to an embodiment of the present disclosure includes a pack case including a coolant feed port and a coolant exit port through which a dielectric coolant enters and exits; a cross beam positioned in the pack case to form a space through which the dielectric coolant passes; and a plurality of battery modules, each including a plurality of battery cells, each battery module positioned in each space divided by the cross beam.
20250055082. Degassing Device_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Gi Hwan Kwon of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/105, H01M10/04, H01M50/30
CPC Code(s): H01M50/105
Abstract: the present invention relates to a degassing device, and more particularly, to a degassing device used in a degassing process of a pouch type secondary battery.
20250055082. Degassing Device_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Gi Hwan Kwon of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/105, H01M10/04, H01M50/30
CPC Code(s): H01M50/105
Abstract: the degassing device includes a pressing part, which is provided to face one surface of an accommodation part of pouch type secondary battery and press the accommodation part in a direction of an electrode assembly, and a fixing part which is provided to surround an edge of the accommodation part to apply a negative pressure to a corner of the accommodation part to adsorb and fix the corner.
Inventor(s): Tae Hwan Roh of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/186, H01M10/613, H01M10/647, H01M10/653, H01M50/105, H01M50/184, H01M50/197, H01M50/211, H01M50/507
CPC Code(s): H01M50/186
Abstract: the present invention relates to a pouch-shaped battery cell with improved safety and a battery module including the same, and more particularly to a pouch-shaped battery cell including a first cell case and a second cell case, each of which is made of a laminate sheet including an inner coating layer, a metal layer, and an outer coating layer, an edge of each of the first cell case and the second cell case being sealed by thermal fusion, an electrode assembly received in the first cell case and the second cell case, a positive electrode lead and a negative electrode lead, each of which has one side connected to the electrode assembly and the other side protruding outwards from the first cell case and the second cell case, and a pressing member configured to wrap a sealed portion formed by thermal fusion and a battery module including the same.
Inventor(s): Jong-Ha JEONG of Daejeon (KR) for lg energy solution, ltd., Woo-Yong KWON of Daejeon (KR) for lg energy solution, ltd., In-Soo KIM 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.
IPC Code(s): H01M50/24, H01M50/211, H01M50/227, H01M50/249, H01M50/271, H01M50/282, H01M50/367, H01M50/383, H01M50/502
CPC Code(s): H01M50/24
Abstract: a battery pack of the present disclosure includes a plurality of pouch-type battery cells; a pack case accommodating the plurality of pouch-type battery cells in an inner space; and a cell cover configured to partially surround the outer side of at least one pouch-type battery cell among the plurality of pouch-type battery cells to form an opening, wherein the pack case includes a flame-retardant portion on the side where the opening is located.
20250055113. BATTERY PACK AND VEHICLE INCLUDING SAME_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jin-Kyu LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/249, B60L50/64, B60L58/26, H01M10/613, H01M50/209
CPC Code(s): H01M50/249
Abstract: a battery pack includes: a plurality of battery modules; a pack housing in which the plurality of battery modules are accommodated; and an energy consumer accommodated inside the pack housing, connected to at least one of the plurality of battery modules, and configured to convert electrical energy stored in the battery module into thermal energy as a temperature inside the pack housing increases and dissipate the thermal energy through at least one of the pack housing and a heat sink.
20250055116. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Dae Ho JUNG of Daejeon (KR) for lg energy solution, ltd., Sung Jin OH of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/287, H01M50/242
CPC Code(s): H01M50/287
Abstract: discussed is a battery pack that may include at least one battery cell, a circuit module having element components mounted on a mounting surface and electrically connected to the at least one battery cell, a pack frame having a cell seating part in which the at least one battery cell is seated and a module seating part on which the circuit module is seated, and a module support part inserted into the module seating part to support the circuit module and provided to be elastically deformable upon contacting the element components.
Inventor(s): Hak Soon KIM of Daejeon (KR) for lg energy solution, ltd., Jo Yeon HWANG of Daejeon (KR) for lg energy solution, ltd., Jin Hyun LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/296, H01M10/48, H01M50/514
CPC Code(s): H01M50/296
Abstract: one aspect of the present disclosure is related to a battery pack including a plurality of battery cells, a positive (+) conductive plate configured to electrically connect the plurality of battery cells to each other to constitute a positive (+) output terminal, a negative (−) conductive plate configured to electrically connect the plurality of battery cells to each other to constitute a negative (−) output terminal, and a battery pack connector configured to be connected to the positive (+) and negative (−) conductive plates to an external device.
20250055122. 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., Myung-Ki PARK of Daejeon (KR) for lg energy solution, ltd., Ho-June CHI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/367, H01M50/249, H01M50/289, H01M50/383
CPC Code(s): H01M50/367
Abstract: disclosed is a battery pack including a case having an interior space; a battery module accommodated in the interior space; an outer cover covering the battery module; and an inner cover that forms a gap between the battery module and the outer cover and allows the gap to communicate with an exterior of the case.
Inventor(s): Kyung-Ryun KA of Daejeon (KR) for lg energy solution, ltd., Hye-Jin KWON of Daejeon (KR) for lg energy solution, ltd., Seung-Hyun LEE of Daejeon (KR) for lg energy solution, ltd., Je-An LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/449, H01M10/0525, H01M10/0585, H01M10/0587, H01M50/42, H01M50/443, H01M50/446, H01M50/46, H01M50/491
CPC Code(s): H01M50/449
Abstract: a separator for a secondary battery comprising a porous polymer substrate; a first layer on at least one surface of the porous polymer substrate, wherein the first layer includes inorganic particles and a nonparticulate acrylic polymer having a glass transition temperature of 15� c. or less, wherein the nonparticulate acrylic polymer connects and fixes the inorganic particles; and a second layer on an upper surface of the first layer, wherein the second layer includes a particulate acrylic polymer having a glass transition temperature of 20�� c. to 50� c. the separator for a secondary battery has good adhesion with the electrode and can solve the resistance problem in the presence of the inorganic particles.
Inventor(s): Yun Jung KIM of Daejeon (KR) for lg energy solution, ltd., Kyung Sik HONG of Daejeon (KR) for lg energy solution, ltd., Sueng Hoon HAN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/474, H01M4/02, H01M4/04, H01M4/36, H01M4/40, H01M4/583, H01M10/0525
CPC Code(s): H01M50/474
Abstract: a lithium secondary battery and a method for manufacturing the same are provided. the lithium secondary battery comprises a negative electrode-separator composite which includes a negative electrode including a lithium metal layer and a separator including a first separator disposed on one surface of the negative electrode and a second separator disposed on the other surface of the negative electrode, wherein at least a portion of an edge of the first separator and at least a portion of an edge of the second separator adhere to each other to form a sealing portion having air permeability of 50,000 sec/100 cc or greater.
Inventor(s): Young Jun KO of Daejeon (KR) for lg energy solution, ltd., Joo Hwan SUNG of Daejeon (KR) for lg energy solution, ltd., Kyung Hwan JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/503, H01M50/103, H01M50/15, H01M50/509, H01M50/55
CPC Code(s): H01M50/503
Abstract: disclosed herein relates to a secondary battery, including: an electrode assembly; a battery case; a positive terminal and a negative terminal spaced apart on a top surface of the battery case; and at least one of a w-type terminal structure and a t-type terminal structure, wherein the w-type terminal structure is a structure capable of connecting two secondary batteries in a width direction, and the t-type terminal structure is a structure capable of connecting two secondary batteries in a thickness direction.
Inventor(s): Sang Ok Seon of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/505, H01M50/276, H01M50/517, H01M50/526
CPC Code(s): H01M50/505
Abstract: the present invention relates to a flexible busbar having a cover member capable of preventing corrosion and a battery module including the same, and more particularly a flexible busbar including a busbar body having a structure in which metal sheets each having a predetermined width, thickness, and length are stacked, the busbar body being provided in each of opposite ends thereof in a longitudinal direction thereof with first through-holes each configured to allow a fastening member to be inserted therethrough, a first cover member configured to cover a middle part of the busbar body, and a second cover member configured to cover each of the opposite ends of the busbar body.
Inventor(s): Kwang-Su HWANGBO of Daejeon (KR) for lg energy solution, ltd., Jae-Won LIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/567, B60L50/64, H01M4/02, H01M4/525, H01M4/587, H01M50/107, H01M50/152, H01M50/169, H01M50/186, H01M50/213, H01M50/559
CPC Code(s): H01M50/567
Abstract: disclosed is a cylindrical battery, which includes an electrode assembly; a battery housing configured to accommodate the electrode assembly through an open portion; a current collecting plate having a support portion, an uncoated portion coupling portion coupled to the first uncoated portion, and a housing coupling portion electrically connected to the battery housing; a cap plate covering the open portion; an electrode terminal riveted through a perforated hole formed in a closed portion of the battery housing and electrically connected to the second uncoated portion; and an insulating gasket interposed between the electrode terminal and the perforated hole, wherein the electrode terminal includes a body portion; an outer flange portion; an inner flange portion; and a flat portion provided on an inner side of the inner flange portion.
LG Energy Solution, Ltd. patent applications on February 13th, 2025
- LG Energy Solution, Ltd.
- B05C5/02
- B05C9/06
- H01M4/04
- CPC B05C5/0254
- Lg energy solution, ltd.
- G01R31/36
- G01R31/389
- G01R31/396
- H01M10/42
- CPC G01R31/3646
- G01R31/374
- G01R31/378
- G01R31/3842
- H02J7/00
- CPC G01R31/374
- G01R31/385
- G01R31/52
- G01R31/56
- CPC G01R31/3865
- G06F30/20
- CPC G06F30/20
- CPC H01M4/0404
- H01M4/131
- H01M4/02
- H01M4/36
- H01M4/525
- H01M4/62
- H01M10/0525
- CPC H01M4/131
- H01M4/587
- CPC H01M4/366
- H01M4/48
- H01M4/1395
- H01M10/052
- CPC H01M4/48
- H01M4/505
- H01M4/583
- H01M10/0568
- H01M50/204
- CPC H01M4/525
- H01M4/58
- CPC H01M4/5825
- H01M10/04
- H01M10/48
- CPC H01M10/0409
- H01M10/0587
- H01M50/46
- CPC H01M10/0431
- CPC H01M10/0459
- H01M4/133
- CPC H01M10/052
- H01M4/38
- CPC H01M10/0525
- H01M10/0562
- CPC H01M10/0562
- H01M4/134
- H01M10/058
- H01M10/0585
- H01M4/139
- H01M50/409
- H01M50/491
- H01M50/531
- CPC H01M10/0585
- H01M10/613
- H01M10/625
- H01M10/647
- H01M10/653
- H01M10/6554
- H01M50/20
- H01M50/211
- CPC H01M10/613
- H01M10/6568
- H01M50/249
- H01M50/289
- CPC H01M10/6568
- H01M50/105
- H01M50/30
- CPC H01M50/105
- H01M50/186
- H01M50/184
- H01M50/197
- H01M50/507
- CPC H01M50/186
- H01M50/24
- H01M50/227
- H01M50/271
- H01M50/282
- H01M50/367
- H01M50/383
- H01M50/502
- CPC H01M50/24
- B60L50/64
- B60L58/26
- H01M50/209
- CPC H01M50/249
- H01M50/287
- H01M50/242
- CPC H01M50/287
- H01M50/296
- H01M50/514
- CPC H01M50/296
- CPC H01M50/367
- H01M50/449
- H01M50/42
- H01M50/443
- H01M50/446
- CPC H01M50/449
- H01M50/474
- H01M4/40
- CPC H01M50/474
- H01M50/503
- H01M50/103
- H01M50/15
- H01M50/509
- H01M50/55
- CPC H01M50/503
- H01M50/505
- H01M50/276
- H01M50/517
- H01M50/526
- CPC H01M50/505
- H01M50/567
- H01M50/107
- H01M50/152
- H01M50/169
- H01M50/213
- H01M50/559
- CPC H01M50/567
