LG Energy Solution, Ltd. patent applications on December 26th, 2024
Patent Applications by LG Energy Solution, Ltd. on December 26th, 2024
LG Energy Solution, Ltd.: 21 patent applications
LG Energy Solution, Ltd. has applied for patents in the areas of H01M4/02 (8), H01M4/36 (3), H01M4/525 (3), H01M10/052 (3), H01M10/0569 (2) H01M4/366 (2), B23K37/0426 (1), H01M10/0568 (1), H01M50/457 (1), H01M50/236 (1)
With keywords such as: electrode, battery, negative, material, lithium, active, layer, positive, secondary, and surface in patent application abstracts.
Patent Applications by LG Energy Solution, Ltd.
20240424619. Jig for Welding_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jun Ho Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B23K37/04, B23K26/21, H01M50/107, H01M50/536
CPC Code(s): B23K37/0426
Abstract: the jig for welding according to the present invention relates to a jig for welding, which is used in a welding process during manufacturing of a secondary battery, and includes a body part, and a protrusion that extends from a surface of the body part, has a size corresponding to an opening of the secondary battery, and is inserted into the opening of the secondary battery in the welding process, wherein a welding hole through which a laser is configured to pass is defined in each of a circumferential portion of the protrusion and a region of the body part which corresponds to a circumferential portion of the protrusion, wherein the protrusion includes a pressing portion that is provided in a peripheral part of the welding hole and presses an object to be welded in the secondary battery.
Inventor(s): Su Ho Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): F16K17/00
CPC Code(s): F16K17/00
Abstract: an elevatable chamber and a method of operating the same are provided. the elevatable chamber includes a chamber body, a chamber frame, an air cylinder, and a controller, and is capable of preventing serious injury of a worker caused by being caught in an apparatus and of minimizing damage to the apparatus.
Inventor(s): Seongjun Yun of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/3842, G01R31/367, G01R31/396, G01R35/00
CPC Code(s): G01R31/3842
Abstract: a battery system includes: a storage that stores, at each predetermined storage period, mapping data that map an soc and a first open voltage; and a controller that performs: when a number of times of storing the mapping data reaches a predetermined reference number of times so that a calibration period arrives, estimating a first relationship graph between a plurality of socs and a plurality of open circuit voltages; calculating a plurality of relationship graphs by reflecting a plurality of preset error values in the first relationship graph; calculating a summed value of distances between each of the plurality of relationship graphs and the mapping data; determining an error value corresponding to a minimum value among a plurality of summed values to be a final error value; and determining whether the final error value falls within a predetermined reference range, to determine whether to calibrate an initial soc value.
Inventor(s): Chulmin JEON of Daejeon (KR) for lg energy solution, ltd., Bomjin LEE of Daejeon (KR) for lg energy solution, ltd., Du Seong YOON of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/389, G01R31/396
CPC Code(s): G01R31/389
Abstract: discussed are a method and an apparatus for diagnosing a battery cell. the method may include applying, by the apparatus for diagnosing the battery cell, an activation waveform having a predetermined frequency to the battery cell in an activation process, and performing an electrochemical impedance spectroscopy (eis) measurement in a charging section of the activation process. the method may further include, based on the eis measurement, calculating a slope of a reactance of the battery cell in a voltage section of a predetermined range, and diagnosing the battery cell based on the slope.
20240429013. Fuse and Method of Fabricating the Same_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Chang Bog Lee of Daejeon (KR) for lg energy solution, ltd., Sang Eun Jung of Daejeon (KR) for lg energy solution, ltd., Sung Gyu Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01H85/046, H01H69/02, H05K1/02
CPC Code(s): H01H85/046
Abstract: a fuse according to an embodiment disclosed herein includes a printed circuit board (pcb); a conductive pattern disposed on the pcb; a film disposed at lateral sides of the conductive pattern or on a partial region of the conductive pattern to leave an open region; and a coating disposed on the conductive pattern and the film.
Inventor(s): Jong Su Yoon of Daejeon (KR) for lg energy solution, ltd., Young Gon Kim of Daejeon (KR) for lg energy solution, ltd., Taek Soo Lee of Daejeon (KR) for lg energy solution, ltd., Jin Ho Cho of Daejeon (KR) for lg energy solution, ltd., Shin Wook Jeon of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/1393, H01F7/02, H01F7/20, H01M4/02, H01M4/04, H01M4/133
CPC Code(s): H01M4/1393
Abstract: a magnetic alignment device applies a magnetic field to a negative electrode slurry by introducing a magnet part to an upper and a lower portion of a negative electrode current collector to which the negative electrode slurry is applied, respectively, wherein a first region located upstream along a transfer direction of the negative electrode current collector is capable of applying a stronger magnetic force than a second region located downstream in the magnet part. accordingly, in manufacturing the negative electrode, the alignment of the carbon-based negative electrode active material contained in the negative electrode slurry and the arithmetic mean height of the surface of the negative electrode active layer can be easily controlled to a certain range. furthermore, the negative electrode prepared according to the method has the advantage of having excellent electrical properties and surface properties of the negative electrode active layer.
Inventor(s): Daejin LEE of Daejeon (KR) for lg energy solution, ltd., Hoejin HAH of Deajeon (KR) for lg energy solution, ltd., Sunhye LIM of Daegu (KR) for lg energy solution, ltd., Hyeyun JUNG of Daegu (KR) for lg energy solution, ltd., Jihyun SHIN of Daegu (KR) for lg energy solution, ltd., Jaeyeong PARK of Daegu (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M10/0525
CPC Code(s): H01M4/366
Abstract: a method of manufacturing a positive electrode active material for a lithium secondary battery and a positive electrode active material for a lithium secondary battery manufactured thereby are provided. the method comprises: (a) preparing a positive electrode active material dispersion by mixing a positive electrode active material capable of reversible adsorption and release of lithium ions and a solvent; (b) preparing a coating solution comprising a niobium-based compound by adding and mixing a raw material comprising lithium (li) and niobium (nb); (c) forming a coating layer on the surface of the positive electrode active material by adding the coating solution of step (b) to the positive electrode active material dispersion of step (a); and (d) removing the solvent by pressing and filtering the product of step (c).
Inventor(s): Byoungkuk SON of Daejeon (KR) for lg energy solution, ltd., Minchul JANG of Daejeon (KR) for lg energy solution, ltd., Junghun CHOI of Daejeon (KR) for lg energy solution, ltd., Suk Il YOUN of Daejeon (KR) for lg energy solution, ltd., Eunkyung PARK of Daejeon (KR) for lg energy solution, ltd., Donghyeon KANG of Daejeon (KR) for lg energy solution, ltd., Bora JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/134, H01M4/1395, H01M4/38, H01M4/48, H01M4/62, H01M10/052
CPC Code(s): H01M4/366
Abstract: a negative electrode for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same. the negative electrode for a lithium secondary battery is prepared while being blocked from atmosphere through a release coating film, which is effective in reducing a thickness of a surface oxide layer by delaying the surface oxide layer formation of lithium metal caused by oxygen and moisture in the atmosphere.
Inventor(s): Seok Jin Oh of Daejeon (KR) for lg energy solution, ltd., Hee Chang Youn of Daejeon (KR) for lg energy solution, ltd., Joo Hwan Sung of Daejeon (KR) for lg energy solution, ltd., Jin Young Park of Daejeon (KR) for lg energy solution, ltd., Min Wook Lee of Daejeon (KR) for lg energy solution, ltd., Jong Seon Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/525, H01M4/02, H01M10/052, H01M10/42
CPC Code(s): H01M4/525
Abstract: the present disclosure relates to a positive electrode including a positive electrode active material, a positive electrode conductive material, and a positive electrode binder, wherein the positive electrode active material includes a lithium nickel-based oxide containing 70 mol % or less of nickel among all metals excluding lithium, wherein the lithium nickel-based oxide includes single particle-type particles, and the conductive material includes a linear conductive material and a dotted conductive material, and fdefined by equation (1) below satisfies 12 to 20:
Inventor(s): Seok Jin Oh of Daejeon (KR) for lg energy solution, ltd., Hee Chang Youn of Daejeon (KR) for lg energy solution, ltd., Joo Hwan Sung of Daejeon (KR) for lg energy solution, ltd., Jin Young Park of Daejeon (KR) for lg energy solution, ltd., Min Wook Lee of Daejeon (KR) for lg energy solution, ltd., Jong Seon Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/525, H01M4/02, H01M10/052, H01M10/42
CPC Code(s): H01M4/525
Abstract:
[equation (1)]
Inventor(s): Seok Jin Oh of Daejeon (KR) for lg energy solution, ltd., Hee Chang Youn of Daejeon (KR) for lg energy solution, ltd., Joo Hwan Sung of Daejeon (KR) for lg energy solution, ltd., Jin Young Park of Daejeon (KR) for lg energy solution, ltd., Min Wook Lee of Daejeon (KR) for lg energy solution, ltd., Jong Seon Kim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/525, H01M4/02, H01M10/052, H01M10/42
CPC Code(s): H01M4/525
Abstract: wherein, dis the true density (unit: g/cm) of the linear conductive material above, dis the true density (unit: g/cm) of the dotted conductive material above, and dis the average particle diameter of the positive electrode active material (unit: �m)
Inventor(s): Hyun Chul KIM of Daejeon (KR) for lg energy solution, ltd., Sang Wook WOO of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/587, H01M4/02, H01M4/36, H01M10/0525
CPC Code(s): H01M4/587
Abstract: a negative electrode including a negative electrode current collector, and a negative electrode active material layer on at least one surface of the negative electrode current collector is disclosed. the negative electrode active material layer includes a negative electrode active material, which includes a first negative electrode active material and a second negative electrode active material. the first negative electrode active material is coated artificial graphite particles including primary artificial graphite particles and an amorphous carbon coating layer on a surface of the primary artificial graphite particles. the second negative electrode active material is uncoated artificial graphite particles in the form of secondary particles in which two or more primary artificial graphite particles are assembled. a ratio of an average particle diameter (d) of the second negative electrode active material to an average particle diameter (d) of the first negative electrode active material ranges from 1.2 to 4.7.
Inventor(s): Sunwook HWANG of Daejeon (KR) for lg energy solution, ltd., Hyeaeun HAN of Daejeon (KR) for lg energy solution, ltd., Dong Kyu KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0565, H01M10/42, H01M50/383
CPC Code(s): H01M10/0565
Abstract: an electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same are provided. the electrolyte is capable of accelerating cations by forming a cationic polymer backbone to minimize movement of anions, and improving additional lithium-ion transfer capability and mechanical properties by including an oxide-based ceramic. the electrolyte comprises a polymer electrolyte containing a hydrocarbon-based polymer compound including a cationic functional group; a flame-retardant liquid electrolyte; and a cross-linking agent.
Inventor(s): Kyung Mi Lee of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Su Hyeon Ji of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Yoon Gyo Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M4/02, H01M4/38, H01M4/525, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: provided is a non-aqueous electrolyte comprising a lithium salt; an organic solvent; and a compound represented by formula 1 as an additive:
Inventor(s): Kyung Mi Lee of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Su Hyeon Ji of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Yoon Gyo Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M4/02, H01M4/38, H01M4/525, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract:
Inventor(s): Sunwook HWANG of Daejeon (KR) for lg energy solution, ltd., Eunkyung MOK of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0568, H01M4/02, H01M4/525, H01M10/052, H01M10/0565, H01M10/0569
CPC Code(s): H01M10/0568
Abstract: disclosed is an electrolyte solution for a lithium secondary battery that can improve the thermal stability of a lithium secondary battery comprising a lithium nickel cobalt manganese-based positive electrode active material by adjusting the type and ratio of salt and solvent comprised in the electrolyte solution, and a lithium secondary battery comprising the same. it is characterized in that the electrolyte solution for the lithium secondary battery includes: a lithium salt including a first lithium salt and a second lithium salt; and a solvent, and the first lithium salt contains lithium hexafluorophosphate, and the second lithium salt contains lithium bis(fluorosulfonyl)imide or lithium bis(trifluorosulfonyl)imide.
Inventor(s): In Gu An of Daejeon (KR) for lg energy solution, ltd., Ki Woong Kim of Daejeon (KR) for lg energy solution, ltd., Jun Woo Huh of Daejeon (KR) for lg energy solution, ltd., O Jong Kwon of Daejeon (KR) for lg energy solution, ltd., Yun Pyo Oh of Daejeon (KR) for lg energy solution, ltd., Da Young Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0585, H01M50/463
CPC Code(s): H01M10/0585
Abstract: an electrode assembly includes a negative electrode having an extension portion. the electrode assembly includes a positive electrode configured such that a positive electrode tab protrudes from one outer end of the positive electrode and a positive electrode active material is applied to a positive electrode current collector, a negative electrode configured such that a negative electrode tab protrudes from one outer end of the negative electrode and a negative electrode active material is applied to a negative electrode current collector, and a separator located between the positive electrode and the negative electrode. an extension portion is formed at an edge of the negative electrode so as to extend therefrom by a predetermined length, and a bent portion is formed at an edge of the separator. the bent portion is bent by a predetermined angle so as to wrap a part of a side surface of the positive electrode.
Inventor(s): Hyoung-Chul YOON of Daejeon (KR) for lg energy solution, ltd., Han-Yong JEONG of Daejeon (KR) for lg energy solution, ltd., Young-Su SON of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/48, H01M50/233, H01M50/249, H01M50/507, H01M50/627
CPC Code(s): H01M10/486
Abstract: a battery module includes a battery cell assembly including a plurality of battery cells; a module housing having an inner space having the battery cell assembly accommodated therein; at least one bus bar assembly on at least a part of an outer surface of the module housing and electrically connected to the plurality of battery cells of the battery cell assembly; an interconnection board connected to the at least one bus bar assembly and configured to sense voltages of the plurality of battery cells of the battery cell assembly; and at least one thermistor on the interconnection board and disposed in the module housing to measure the temperature of at least one battery cell among the plurality of battery cells.
Inventor(s): Cheon Hee BOK of Daejeon (KR) for lg energy solution, ltd., Joo Hwan SUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/103, H01M50/15
CPC Code(s): H01M50/103
Abstract: disclosed herein relates to a prismatic secondary battery, which in one example includes a case having an open surface formed on at least one surface thereof, an electrode assembly housed within the case, a cap plate sealing the open surface of the case, and having electrode terminals of a positive electrode and a negative electrode, and a concave first beading part formed on at least two sides opposite to each other along a front, rear, left and right perimeter of the case.
Inventor(s): Hun-Hee Lim of Daejeon (KR) for lg energy solution, ltd., Sang-Hun Kim of Daejeon (KR) for lg energy solution, ltd., Min-Hyeong Kang of Daejeon (KR) for lg energy solution, ltd., Hyung-KYUN Yu of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/178, H01M50/188, H01M50/197, H01M50/30
CPC Code(s): H01M50/178
Abstract: disclosed is a secondary battery including: an electrode assembly including electrode sheets and a separator interposed between the electrode sheets; a pouch-like battery casing in which the electrode assembly is received; an electrode lead connected to the electrode assembly and protruding out from the battery casing; and a lead film covering the electrode lead and interposed between the electrode lead and the battery casing, wherein the lead film includes an outer layer covering the electrode lead and an inner layer disposed inside of the outer layer, and the inner layer includes a material having a higher air permeability as compared to the outer layer.
20240429512. BATTERY MODULE FRAME_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Ki Young KIM of Daejeon (KR) for lg energy solution, ltd., Hyoung Suk LEE of Daejeon (KR) for lg energy solution, ltd., Ju Hwan SHIN of Daejeon (KR) for lg energy solution, ltd., Jae Hyun LEE of Daejeon (KR) for lg energy solution, ltd., Byung Do JANG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/231, H01M50/211, H01M50/224, H01M50/227, H01M50/262, H01M50/30
CPC Code(s): H01M50/231
Abstract: a polyhedral battery module frame in which a plurality of battery cells are accommodated includes a first layer made of an aluminum or aluminum alloy material, a second layer stacked on the first layer and made of a reinforced plastic material with a higher melting point than the first layer, and a third layer stacked on the second layer and made of an aluminum or aluminum alloy material.
20240429513. BATTERY PACK_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Chang Hyeon YANG of Daejeon (KR) for lg energy solution, ltd., Hyoung Suk LEE of Daejeon (KR) for lg energy solution, ltd., Ju Hwan SHIN of Daejeon (KR) for lg energy solution, ltd., Bo Ra JEON of Daejeon (KR) for lg energy solution, ltd., Ki Young KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/236, H01M50/209
CPC Code(s): H01M50/236
Abstract: a pack case includes a base plate supporting a lower part of the battery modules, and side walls coupled to along the edge of the base plate and side walls coupled to the base plate to separate a space in which the battery modules are accommodated; top cover coupled the pack case to cover a battery module accommodated in the pack case; and a reinforcement beam inserted into at least one of the side walls and separation walls. the reinforcement beam includes at least two side-by-side reinforcement members in the form of columns having a plurality of ribs protruding and formed, and provides a battery pack.
Inventor(s): Yeo Ju YOON of Daejeon (KR) for lg energy solution, ltd., Seong Jun KIM of Daejeon (KR) for lg energy solution, ltd., So Mi JEONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/457, H01M4/02, H01M4/505, H01M50/417, H01M50/431, H01M50/446, H01M50/451, H01M50/489
CPC Code(s): H01M50/457
Abstract: disclosed is a separator for an electrochemical device including a lithium manganese-based active material, which includes a porous polymer substrate; a first porous coating layer, which includes a first inorganic particle and a second inorganic particle having a larger specific surface area than the first inorganic particle and which is present on a first surface of the porous polymer substrate; and a second coating layer present on a second surface of the porous polymer substrate, wherein the second inorganic particle includes sulfonic acid groups on a surface thereof, and in some of the sulfonic acid groups, hydrogen cations are substituted with lithium cations.
Inventor(s): Sunwoo Yun of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/59, H01B7/02, H01B7/295, H01M50/505
CPC Code(s): H01M50/59
Abstract: a busbar assembly includes: a busbar including a body and end portions that extend from both ends of the body and have through holes defined therein; an insulating layer that encloses the body and has a groove formed in a recessed shape; and a cap that encloses each of the end portions of the busbar while a portion of the cap is inserted into the groove. the insulating layer has a higher elasticity than the cap.
LG Energy Solution, Ltd. patent applications on December 26th, 2024
- LG Energy Solution, Ltd.
- B23K37/04
- B23K26/21
- H01M50/107
- H01M50/536
- CPC B23K37/0426
- Lg energy solution, ltd.
- F16K17/00
- CPC F16K17/00
- G01R31/3842
- G01R31/367
- G01R31/396
- G01R35/00
- CPC G01R31/3842
- G01R31/389
- CPC G01R31/389
- H01H85/046
- H01H69/02
- H05K1/02
- CPC H01H85/046
- H01M4/1393
- H01F7/02
- H01F7/20
- H01M4/02
- H01M4/04
- H01M4/133
- CPC H01M4/1393
- H01M4/36
- H01M10/0525
- CPC H01M4/366
- H01M4/134
- H01M4/1395
- H01M4/38
- H01M4/48
- H01M4/62
- H01M10/052
- H01M4/525
- H01M10/42
- CPC H01M4/525
- H01M4/587
- CPC H01M4/587
- H01M10/0565
- H01M50/383
- CPC H01M10/0565
- H01M10/0567
- H01M10/0568
- H01M10/0569
- CPC H01M10/0567
- CPC H01M10/0568
- H01M10/0585
- H01M50/463
- CPC H01M10/0585
- H01M10/48
- H01M50/233
- H01M50/249
- H01M50/507
- H01M50/627
- CPC H01M10/486
- H01M50/103
- H01M50/15
- CPC H01M50/103
- H01M50/178
- H01M50/188
- H01M50/197
- H01M50/30
- CPC H01M50/178
- H01M50/231
- H01M50/211
- H01M50/224
- H01M50/227
- H01M50/262
- CPC H01M50/231
- H01M50/236
- H01M50/209
- CPC H01M50/236
- H01M50/457
- H01M4/505
- H01M50/417
- H01M50/431
- H01M50/446
- H01M50/451
- H01M50/489
- CPC H01M50/457
- H01M50/59
- H01B7/02
- H01B7/295
- H01M50/505
- CPC H01M50/59
