LG ENERGY SOLUTION, LTD. patent applications on August 22nd, 2024
Patent Applications by LG ENERGY SOLUTION, LTD. on August 22nd, 2024
LG ENERGY SOLUTION, LTD.: 22 patent applications
LG ENERGY SOLUTION, LTD. has applied for patents in the areas of H01M10/04 (6), H01M10/0525 (5), H01M10/42 (4), H01M4/525 (3), H01M50/536 (3) H01M10/0459 (2), C01D15/02 (1), H01M50/333 (1), H01R13/533 (1), H01M50/578 (1)
With keywords such as: electrode, battery, unit, surface, portion, material, including, negative, side, and separator in patent application abstracts.
Patent Applications by LG ENERGY SOLUTION, LTD.
Inventor(s): ILGEUN OH 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., Yong Ju LEE of Daejeon (KR) for lg energy solution, ltd., Junghyun CHOI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): C01D15/02
CPC Code(s): C01D15/02
Abstract: a negative electrode active material, a negative electrode slurry including the same, a negative electrode including the slurry, a secondary battery including the negative electrode, and a method of manufacturing a negative electrode active material are disclosed. the negative electrode active material includes silicon-containing particles comprising silicon and a li compound; and a carbon layer on at least a portion of a surface of the silicon-containing particles. upon x-ray diffraction analysis, a ratio (p2/p1) of a peak intensity (p2) appearing at 18.8� to 19.0� to a peak intensity (p1) appearing at 24.7� to 24.9� is 0.7 or greater. a ph is 7 to 10 when 1 g of the negative electrode active material is dispersed in 100 ml of water at 25� c.
Inventor(s): TA IL MOON of Daejeon (KR) for lg energy solution, ltd., MYEONG KANG JEONG of Daejeon (KR) for lg energy solution, ltd., SUN BAE KONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): F26B21/08, F26B21/00, F26B21/10, H01M10/04
CPC Code(s): F26B21/08
Abstract: a battery manufacturing method includes providing a battery part in a drying unit; providing a drying agent in a mixing unit; controlling, by the mixing unit, humidity and/or temperature of the drying agent; and feeding the drying agent from the mixing unit to the drying unit.
Inventor(s): Su Hyun YUN of Daejeon (KR) for lg energy solution, ltd., Hyo Sun AN of Daejeon (KR) for lg energy solution, ltd., Bum Young JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01N27/90, G01N27/02, G01R31/392, H01M10/0525, H01M10/42
CPC Code(s): G01N27/9006
Abstract: an apparatus and method for inspecting lithium precipitation may form a magnetic field around a battery cell to be inspected to induce an eddy current and may compare measured impedance of the battery cell with standard data to detect lithium plating in the battery cell, thereby providing high stability and reliability.
Inventor(s): Jung-Pil Lee of Daejeon (KR) for lg energy solution, ltd., Ji-Hee Ahn of Daejeon (KR) for lg energy solution, ltd., Sung-Joong Kang of Daejeon (KR) for lg energy solution, ltd., Jae-Hyun Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/04, H01M4/139, H01M4/62, H01M10/0525, H01M10/0565, H01M10/42
CPC Code(s): H01M4/362
Abstract: the present disclosure relates to an electrode for an all solid-state battery and a method for manufacturing the same. the electrode comprises an electrode active material layer, wherein the gaps between the electrode active material particles forming the electrode active material layer are filled with a mixture of a polymeric solid electrolyte, oxidation-/reduction-improving additive and a conductive material. the method for manufacturing the electrode comprises a solvent annealing process, and the dissociation degree and transportability of the oxidation-/reduction-improving additive are increased through the solvent annealing process, thereby improving the life characteristics of a battery.
Inventor(s): Hae Jung Jung of Daejeon (KR) for lg energy solution, ltd., Wang Mo Jung of Daejeon (KR) for lg energy solution, ltd., Chi Ho Jo of Daejeon (KR) for lg energy solution, ltd., Tae Gu Yoo of Daejeon (KR) for lg energy solution, ltd., Jin Tae HWANG of Daejeon (KR) for lg energy solution, ltd., Jong Wook Heo of Daejeon (KR) for lg energy solution, ltd., Hyeon Jin Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/525, H01M4/62
CPC Code(s): H01M4/366
Abstract: a method of preparing a positive electrode active material for a lithium secondary battery which includes:
20240282956. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Dong-Hun Lee of Daejeon (KR) for lg energy solution, ltd., Woo-Yeon Kong of Daejeon (KR) for lg energy solution, ltd., Hye-Mi Kim of Daejeon (KR) for lg energy solution, ltd., Sin-Yong Park of Daejeon (KR) for lg energy solution, ltd., Sang-Wook Lee of Daejeon (KR) for lg energy solution, ltd., Je-Young Kim of Daejeon (KR) for lg energy solution, ltd., Wang-Mo Jung of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/525, H01M4/02, H01M4/36, H01M10/052, H01M10/0568
CPC Code(s): H01M4/525
Abstract: a lithium secondary battery includes a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material and a nonaqueous electrolyte solution, wherein the positive electrode active material has a lithium composite transition metal oxide having a nickel content of 60 mol % or more in a total transition metal in a form of secondary particles formed by agglomeration of primary particles; and a boron containing coating layer on a surface of all or some of the primary particles, the nonaqueous electrolyte solution comprises a boron dissolved in the nonaqueous electrolyte solution, and a ratio b/a of a boron content (b) in the nonaqueous electrolyte solution to a boron content (a) in the positive electrode active material is 0.001 to 5. the lithium secondary battery according to the present disclosure has improved life characteristics.
Inventor(s): Hyun Cheol KWON of Daejeon (KR) for lg energy solution, ltd., Ji Won PARK of Daejeon (KR) for lg energy solution, ltd., Pil Kyu PARK of Daejeon (KR) for lg energy solution, ltd., Sung Kwan DOH of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H02J7/00
CPC Code(s): H01M10/0404
Abstract: a battery tray having multiple insertion holes into which charge/discharge terminals are inserted and multiple heat dissipation holes for air flow are formed at the bottom of a housing in which the batteries are accommodated. heat can smoothly flow through the heat dissipation holes, and even if there is a difference in the location where the battery is accommodated depending on the center or the outer edge of the tray, the temperature deviation is reduced.
Inventor(s): Dongyeon Keum of Daejeon (KR) for lg energy solution, ltd., Hong Ju Hwang of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0459
Abstract: an electrode assembly folding apparatus according to one embodiment of the present disclosure includes: a supply unit for supplying the electrode assembly that comprises two sheet-shape separators, a second electrode continuously located between inside surfaces of the separators facing each other, and a first electrode alternately located up and down on outside surfaces of the two separators, wherein a first unit body and a second unit body are alternately connected to each other, and the first electrode of the first unit body is located at an upper side and the first electrode of the second unit body is located at a lower side, a holding unit that holds the first unit body supplied from the supply unit and transfers it through a swing motion, thereby folding the electrode assembly in a zigzag shape, and a stack unit that stacks the first unit body transferred by the holding unit.
Inventor(s): Seokhoon Jang of Daejeon (KR) for lg energy solution, ltd., Hyeok Jeong of Daejeon (KR) for lg energy solution, ltd., Su Taek Jung of Daejeon (KR) for lg energy solution, ltd., Soon Kwan Kwon of Daejeon (KR) for lg energy solution, ltd., Byeong Kyu Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0459
Abstract: an electrode assembly according to one embodiment of the present disclosure includes an electrode assembly in which electrodes and separator sheets are alternately stacked in a z-folding type, wherein the electrode includes a first electrode and a second electrode, wherein the separator sheet has a zigzag shape formed by being folded at least twice, wherein a length of the second electrode is smaller than a length of the first electrode, and wherein an adhesive member is located between either one of both side surfaces of the electrode assembly and the second electrode.
Inventor(s): Jung Pil Lee of Daejeon (KR) for lg energy solution, ltd., Dong Kyu Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/056
CPC Code(s): H01M10/056
Abstract: a solid electrolyte and a method for manufacturing the same are provided. the solid electrolyte comprises a mixed conducting polymer having mixed conducting properties including ion conductivity and electrical conductivity, a binder, and a lithium salt, and provides improved adhesive force and strength, thereby reducing interfacial resistance, and thus improving ion conductivity.
Inventor(s): Jung Pil LEE 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: a solid electrolyte and a method for manufacturing the same are provided. the solid electrolyte comprises a mixed conducting polymer having mixed conducting properties including ion conductivity and electrical conductivity, a ceramic, and a lithium salt, and provides improved adhesive force and strength, thereby reducing interfacial resistance, and thus improving ion conductivity and electrical conductivity.
Inventor(s): Jung Gu Han of Daejeon (KR) for lg energy solution, ltd., Kyung Mi Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M4/02, H01M4/131, H01M4/525, H01M10/0525, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are described herein. the non-aqueous electrolyte solution for a lithium secondary battery of the present disclosure may include a lithium salt, an organic solvent, and a compound represented by formula 1 as an additive,
Inventor(s): Jung Gu Han of Daejeon (KR) for lg energy solution, ltd., Kyung Mi Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M4/02, H01M4/131, H01M4/525, H01M10/0525, H01M10/0569
CPC Code(s): H01M10/0567
Abstract:
Inventor(s): Ji Won Hwang of Daejeon (KR) for lg energy solution, ltd., Sang Hoon Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/42, G01R31/371, G01R31/3842, G01R31/392, H01M10/44, H01M10/48
CPC Code(s): H01M10/4285
Abstract: a battery testing apparatus according to an embodiment disclosed herein includes a first connecting unit connected to a positive electrode of each of a plurality of battery cells, a second connecting unit connected to a negative electrode of each of the plurality of battery cells, a wherein the battery testing apparatus is configured to charge or discharge the plurality of battery cells through the first connecting unit and the second connecting unit, and a battery management apparatus configured to measure state information in at least any one of a charging state, a discharging state, and an idle state of each of the plurality of battery cells.
Inventor(s): Ju-Hun PARK of Daejeon (KR) for lg energy solution, ltd., Hye-Mi JUNG of Daejeon (KR) for lg energy solution, ltd., Young-Ro LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/333, H01M50/358, H01M50/367
CPC Code(s): H01M50/333
Abstract: a battery module includes a plurality of battery cells, a module case in which the plurality of battery cells are accommodated, the module case including a gas venting hole on at least one side, and a gas venting panel including a gas discharge path communicating with the gas venting hole and configured to guide a flow of gas to an outside along a pre-determined path, the gas venting panel being coupled to an outer side of the module case. the gas venting panel includes a passage width adjusting unit configured to variably adjust a width of the gas discharge path according to pressure of gas.
Inventor(s): Junghoon LEE of Daejeon (KR) for lg energy solution, ltd., Junyeob SEONG of Daejeon (KR) for lg energy solution, ltd., Hyemi JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/383, H01M50/211, H01M50/276, H01M50/282, H01M50/30
CPC Code(s): H01M50/383
Abstract: a battery module includes a battery cell stack in which a plurality of battery cells are stacked in one direction, and a module frame accommodating the battery cell stack and having an inner surface and an outer surface, wherein at least one venting part penetrating the inner surface and the outer surface is formed on one surface of the module frame, and a cover layer including a barrier layer and a refractory layer is positioned between one surface of the module frame where the venting part is formed and the battery cell stack.
Inventor(s): Su-Jin PARK of Daejeon (KR) for lg energy solution, ltd., Chan-Jong KIM of Daejeon (KR) for lg energy solution, ltd., Sang-Joon LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/411, H01M10/0525, H01M50/403, H01M50/409, H01M50/443, H01M50/446, H01M50/449, H01M50/489, H01M50/491
CPC Code(s): H01M50/411
Abstract: a separator for an electrochemical device. the separator includes a porous substrate made of a porous polymer film having an excellent compressibility and permanent strain. the porous substrate has excellent physical strength and durability, and ensures a high breakdown voltage while using a heat resistant layer having a small thickness, and thus shows a low possibility of short-circuit generation. in addition, the separator may further include a heat resistant layer including inorganic particles, on the surface of the porous substrate. it is possible to further improve the compressibility, maximum compressibility and permanent strain characteristics depending on the types of inorganic particles.
Inventor(s): Se Hyun Yoon of Daejeon (KR) for lg energy solution, ltd., Chun Ho Kwon of Daejeon (KR) for lg energy solution, ltd., Beomsu Kim of Daejeon (KR) for lg energy solution, ltd., Haksoo Lee of Daejeon (KR) for lg energy solution, ltd., Hyeon Woo Jang of Daejeon (KR) for lg energy solution, ltd., Yong Nam Kim of Daejeon (KR) for lg energy solution, ltd., Dong Hyeuk Park of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/46, H01M4/04, H01M10/04, H01M10/0525, H01M10/0583, H01M50/463, H01M50/466
CPC Code(s): H01M50/46
Abstract: an electrode assembly manufacturing apparatus includes a stack table, a separator supply unit, first and second electrode supply units, and a side sealing device. a stack of a first electrode, a second electrode, and a separator between the first and the second electrode are stackable on the stack table. the separator supply unit is configured for supplying the separator to the stack table. the first electrode supply unit is configured for stacking the first electrode on a section of the separator on the stack table. the second electrode supply unit stacks the second electrode on a further section of the separator on the first electrode. a side sealing device heats at least one side surface of the stack.
Inventor(s): Ki Hoon Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/533, B26D1/06, H01M10/04, H01M50/536
CPC Code(s): H01M50/533
Abstract: a method for cutting an electrode tab protruding from an electrode includes supporting the one surface of the electrode tab; and cutting, by a cutting knife, the electrode tab by pressing the electrode tab so that a pressure is applied to the other surface of the electrode tab. the cutting knife ensures the angle formed between the cutting knife and the electrode tab is an acute angle. an electrode tab according to the above method includes one surface that is flat and the other surface parallel to the one surface. the electrode tab has a cut surface having one end extending to the one surface and the other end extending to the other surface. the cut surface is provided as an inclined surface so that an angle between the cut surface and one of the one surface and the other surface is defined as an acute angle.
Inventor(s): Changje Lee of Daejeon (KR) for lg energy solution, ltd., Seung Jae Yoon of Daejeon (KR) for lg energy solution, ltd., Sanghun Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/536, H01M50/533
CPC Code(s): H01M50/536
Abstract: a battery cell according to one embodiment of the present disclosure includes a stacked body including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, an electrode tab extending from the positive electrode or the negative electrode of the stacked body, and an electrode lead coupled with the electrode tab, wherein the electrode tabs are formed with a pre-welding portion connecting respective electrode tabs and a main welding portion coupling the electrode tab and the electrode lead, wherein the pre-welding portion includes an inner side edge and an outer side edge, wherein at least one of the welding spots of the main welding portion overlaps an inner side edge of the pre-welding portion, and wherein an inner side edge of the pre-welding portion is disposed closer to the stacked body than an outer side edge of the pre-welding portion in the longitudinal direction of the electrode.
Inventor(s): Jin Hak KONG of Seoul (KR) for lg energy solution, ltd., Yong Seok CHOI of Daejeon (KR) for lg energy solution, ltd., Dong Yeon KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/578, H01M50/105, H01M50/536, H01M50/553, H01M50/574
CPC Code(s): H01M50/578
Abstract: discussed is a pouch type secondary battery including an electrode assembly in which one or more positive electrode plates and negative electrode plates are stacked, an electrode tap that extends from the electrode assembly, an electrode lead bondingly connected to the electrode tap, and a pouch exterior that surrounds and seals the electrode assembly such that a portion of the electrode lead is exposed. the electrode lead includes a first weld area electrically coupled to the electrode tap. the electrode tap includes a second weld area electrically coupled to the first weld area, an electrode connection part distinguished from the second weld area by a rupture portion connecting area, and electrically connected to the electrode assembly. the rupture portion connecting area connects the second weld area and the electrode connection part, and is ruptured when stress occurs and separates the second weld area from the electrode connection part.
Inventor(s): Chang Hun Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01R13/533, H01M50/296, H01M50/383, H01R13/405, H01R43/24
CPC Code(s): H01R13/533
Abstract: the present invention relates to a connector for battery packs, the connector including a terminal pin configured to serve as an electrical connection path, a lower end portion to which the terminal pin is mounted, a main body portion in which the lower end portion is disposed, and a housing including the lower end portion and the main body portion, wherein the terminal pin is mounted to the lower end portion in the state in which an assembly portion comprising a highly moldable material is added to a part of an outer surface of the terminal pin, and the housing includes a high heat resistant material, whereby melting of the connector for battery packs is prevented, and therefore it is possible to prevent spread of thermal runaway occurring in a battery pack to the outside.
Inventor(s): Incheol YEOM of Daejeon (KR) for lg energy solution, ltd., Nari KIM of Daejeon (KR) for lg energy solution, ltd., Jeonghyeon IN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H02J7/00, G05B19/4155, H01M10/42
CPC Code(s): H02J7/00712
Abstract: a battery system may include: a battery pack including a plurality of battery cells; and a battery management system configured to derive a charging rate based on a charging target state of charge (soc) for the battery pack and the temperature of the battery pack, and compensate for the charging rate through proportional-integral-derivative (pid) control based on an error voltage between any one of a plurality of cell voltages of the plurality of battery cells and an open circuit voltage (ocv) corresponding to the charging target soc to generate a compensation charging rate.
LG ENERGY SOLUTION, LTD. patent applications on August 22nd, 2024
- LG ENERGY SOLUTION, LTD.
- C01D15/02
- CPC C01D15/02
- Lg energy solution, ltd.
- F26B21/08
- F26B21/00
- F26B21/10
- H01M10/04
- CPC F26B21/08
- G01N27/90
- G01N27/02
- G01R31/392
- H01M10/0525
- H01M10/42
- CPC G01N27/9006
- H01M4/36
- H01M4/04
- H01M4/139
- H01M4/62
- H01M10/0565
- CPC H01M4/362
- H01M4/02
- H01M4/525
- CPC H01M4/366
- H01M10/052
- H01M10/0568
- CPC H01M4/525
- H02J7/00
- CPC H01M10/0404
- CPC H01M10/0459
- H01M10/056
- CPC H01M10/056
- CPC H01M10/0565
- H01M10/0567
- H01M4/131
- H01M10/0569
- CPC H01M10/0567
- G01R31/371
- G01R31/3842
- H01M10/44
- H01M10/48
- CPC H01M10/4285
- H01M50/333
- H01M50/358
- H01M50/367
- CPC H01M50/333
- H01M50/383
- H01M50/211
- H01M50/276
- H01M50/282
- H01M50/30
- CPC H01M50/383
- H01M50/411
- H01M50/403
- H01M50/409
- H01M50/443
- H01M50/446
- H01M50/449
- H01M50/489
- H01M50/491
- CPC H01M50/411
- H01M50/46
- H01M10/0583
- H01M50/463
- H01M50/466
- CPC H01M50/46
- H01M50/533
- B26D1/06
- H01M50/536
- CPC H01M50/533
- CPC H01M50/536
- H01M50/578
- H01M50/105
- H01M50/553
- H01M50/574
- CPC H01M50/578
- H01R13/533
- H01M50/296
- H01R13/405
- H01R43/24
- CPC H01R13/533
- G05B19/4155
- CPC H02J7/00712
