LG ENERGY SOLUTION, LTD. patent applications on August 8th, 2024
Patent Applications by LG ENERGY SOLUTION, LTD. on August 8th, 2024
LG ENERGY SOLUTION, LTD.: 41 patent applications
LG ENERGY SOLUTION, LTD. has applied for patents in the areas of H01M4/02 (9), H01M50/186 (8), H01M4/04 (8), H01M10/052 (6), H01M50/107 (5) H01M4/366 (3), H01M10/0431 (2), H01M50/242 (2), H01M50/446 (2), H01M50/474 (1)
With keywords such as: electrode, battery, portion, layer, including, negative, assembly, separator, having, and material in patent application abstracts.
Patent Applications by LG ENERGY SOLUTION, LTD.
Inventor(s): Won-Sik BAE of Daejeon (KR) for lg energy solution, ltd., So-Jung PARK of Daejeon (KR) for lg energy solution, ltd., So-Yeong LEE of Daejeon (KR) for lg energy solution, ltd., Jong-Yoon LEE of Daejeon (KR) for lg energy solution, ltd., So-Mi JEONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B05C1/08, H01M50/403
CPC Code(s): B05C1/0808
Abstract: the present disclosure relates to a coating bar and a method for manufacturing a separator using the same.
Inventor(s): Won-Sik BAE of Daejeon (KR) for lg energy solution, ltd., So-Jung PARK of Daejeon (KR) for lg energy solution, ltd., So-Yeong LEE of Daejeon (KR) for lg energy solution, ltd., Jong-Yoon LEE of Daejeon (KR) for lg energy solution, ltd., So-Mi JEONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B05C1/08, H01M50/403
CPC Code(s): B05C1/0808
Abstract: the coating bar according to the present disclosure may form a coating layer having an area with different thicknesses by one coating.
Inventor(s): Won-Sik BAE of Daejeon (KR) for lg energy solution, ltd., So-Jung PARK of Daejeon (KR) for lg energy solution, ltd., So-Yeong LEE of Daejeon (KR) for lg energy solution, ltd., Jong-Yoon LEE of Daejeon (KR) for lg energy solution, ltd., So-Mi JEONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B05C1/08, H01M50/403
CPC Code(s): B05C1/0808
Abstract: additionally, the method for manufacturing a separator according to the present disclosure includes forming a porous coating layer using a predetermined coating bar, to manufacture a separator including the porous coating layer having an area with different thicknesses. in particular, the present disclosure manufactures the separator having a larger thickness at the two ends than at the center, thereby avoiding a lack of adhesive strength at the two ends in a transverse direction in the adhesion between the separator and the electrode, and exhibiting uniform adhesive strength over the whole interface between the separator and the electrode.
Inventor(s): Dong Hyeok Shin of Daejeon (KR) for lg energy solution, ltd., Sang Hoon Choy of Daejeon (KR) for lg energy solution, ltd., Jeong Soo Seol of Daejeon (KR) for lg energy solution, ltd., In Sang Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01N21/89, G01N21/88, H01M4/04
CPC Code(s): G01N21/8914
Abstract: a marking system is provided for identifying defects of an electrode sheet including that includes an active material layer coated with an electrode active material and a non-coating portion disposed at one side in a width direction of the active material layer. the marking system for identifying the defects of the electrode sheet may include: a vision sensor configured to detect the defects of the electrode sheet; a heater disposed behind the vision sensor in a moving direction of the electrode sheet, the heater being configured to heat the non-coating portion when the defects are detected by the vision sensor; a marker configured to mark ink on an area corresponding to each defect on the non-coating portion heated by the heater; and a blower disposed behind the marker in the moving direction of the electrode sheet to dry the ink on the area.
Inventor(s): Sung Ju HONG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/389, G01R31/3835, G01R31/392
CPC Code(s): G01R31/389
Abstract: discussed is a method of diagnosing a battery pack including battery banks. the method includes determining whether there is a target battery bank satisfying discharge conditions among the battery banks, discharging the target battery bank detected through the determining for a predetermined time, storing a first bank voltage of the target battery bank before discharging the target battery bank and a second bank voltage of the target battery bank after discharging the target battery bank, deriving a current voltage variation based on the first bank voltage and the second bank voltage, estimating a degree of resistance degradation with respect to the target battery bank based on a reference voltage variation of the target battery bank and the current voltage variation, and diagnosing the battery banks based on the degree of resistance degradation with respect to each of the battery banks.
Inventor(s): Dae Hyeoung KWON of Daejeon (KR) for lg energy solution, ltd., Jea Gyeong KIM of Daejeon (KR) for lg energy solution, ltd., Kyong Su JUNG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/52, G01R31/36, G01R31/3835
CPC Code(s): G01R31/52
Abstract: a pressing short-circuit inspector for a battery cell includes a plurality of plates disposed so that a distance therebetween is adjustable; a lifter slidably coupled to each of the plates to ascend and descend vertically from an upper end of the plate; an interleaving support that is provided between two adjacent plates, has one end fixed to the lifter coupled to one of the two adjacent plates and the other end fixed to the lifter coupled to the other of the two adjacent plates, and supports a weight of the battery cell when the battery cell is seated thereon; and a pressing jig that presses the outermost plate to press the battery cell disposed on the interleaving support between the plates.
Inventor(s): Seok Won Jeung of Daejeon (KR) for lg energy solution, ltd., Hyun Min Oh of Daejeon (KR) for lg energy solution, ltd., Geon Tae Park of Daejeon (KR) for lg energy solution, ltd., Choon Kwon Kang of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G06T7/00, G06T7/62, H01M50/516
CPC Code(s): G06T7/001
Abstract: a non-destructive wire bonding inspection method is provided to inspect whether a wire bonding applied to a battery system is defective. the method includes a) photographing a wire bonding portion using a camera, b) calculating the area of the wire bonding portion, and c) determining whether the wire bonding is defective based on the calculated area of the wire bonding portion.
Inventor(s): Min Hyuck Choi of Daejeon (KR) for lg energy solution, ltd., Joon Sun Park of Daejeon (KR) for lg energy solution, ltd., Taek Soo Lee of Daejeon (KR) for lg energy solution, ltd., Man Hyeong Kim of Daejeon (KR) for lg energy solution, ltd., Guk Tae Kim of Daejeon (KR) for lg energy solution, ltd., Shin Wook Jeon of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04, B23K26/342
CPC Code(s): H01M4/0404
Abstract: disclosed herein is a method for controlling an electrode shape and a method of manufacturing an electrode. the method includes molding a shape of an electrode slurry disposed on at least a part of an electrode sheet by irradiating laser on the electrode sheet, causing the electrode slurry of the irradiated portion to move to an adjacent portion. the method for controlling an electrode shape and the method of manufacturing an electrode according can minimize capacity loss and can control the direction of movement of an electrode slurry and the amount of movement of an electrode slurry to change the electrode shape.
Inventor(s): Mun Kyu JOO of Daejeon (KR) for lg energy solution, ltd., ILHA LEE of Daejeon (KR) for lg energy solution, ltd., Sarah KIM of Daejeon (KR) for lg energy solution, ltd., Seoyoung JEON of Daejeon (KR) for lg energy solution, ltd., Yohan KWON of Daejeon (KR) for lg energy solution, ltd., Jonghyun CHAE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04, B32B37/00, H01M4/02, H01M4/134, H01M4/1395, H01M4/38, H01M10/052
CPC Code(s): H01M4/043
Abstract: the present application relates to a transfer laminate, a negative electrode for a lithium secondary battery, a method for manufacturing a lithium secondary battery, and a lithium secondary battery.
Inventor(s): Oh-Byong CHAE of Daejeon (KR) for lg energy solution, ltd., Eun-Kyung KIM of Daejeon (KR) for lg energy solution, ltd., Sang-Wook WOO of Daejeon (KR) for lg energy solution, ltd., Geun-Sik JO of Daejeon (KR) for lg energy solution, ltd., Soo-Hee KANG of Daejeon (KR) for lg energy solution, ltd., Hee-Won CHOI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04, C22C24/00, C22F1/16, H01M4/02, H01M4/08, H01M4/134, H01M4/139, H01M4/1395, H01M4/38, H01M10/052
CPC Code(s): H01M4/0485
Abstract: a lithium metal is physically pressed to a silicon wafer having a uniform intaglio or embossed pattern formed thereon in advance, or liquid lithium is applied to the silicon wafer and may then be cooled in order to form a uniform pattern on the surface of the lithium metal.
Inventor(s): Seungbo YANG of Daejeon (KR) for lg energy solution, ltd., Kwonnam SOHN of Daejeon (KR) for lg energy solution, ltd., Jun Hyuk MOON of Seoul (KR) for lg energy solution, ltd., Doo Kyung YANG of Daejeon (KR) for lg energy solution, ltd., Donghee GUEON of Seoul (KR) for lg energy solution, ltd., Jeong Tae HWANG of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/38
CPC Code(s): H01M4/364
Abstract: a ceria-carbon-sulfur (ceo—c—s) composite including a ceria-carbon (ceo—c) composite in which cylindrical carbon materials having ceria (ceo) particles bonded to surfaces thereof are entangled and interconnected to each other in three dimensions; and sulfur introduced into at least a portion of an outer surface and an inside of the ceria-carbon composite, a method for preparing the same, and positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same.
Inventor(s): Semi PARK of Daejeon (KR) for lg energy solution, ltd., ILGEUN OH 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., Heeyeon PARK of Daejeon (KR) for lg energy solution, ltd., Junghyun CHOI of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, C01B33/113, H01M4/02, H01M4/48, H01M4/58, H01M4/587
CPC Code(s): H01M4/366
Abstract: a negative electrode active material including silicon-containing oxide particles, in which the silicon-containing oxide particles include silicon and a li dopant and include a first covering layer and a second covering layer on the surface of the silicon-containing oxide particles. each of the first covering layer and the second covering layer is independently a carbon layer. the negative electrode active material also includes an irreversible material formed by doping the silicon-containing oxide with li absent between the first covering layer and the second covering layer, or each of lioh and lizcois present between the first covering layer and the second covering layer in an amount of less than 1 wt % based on 100 wt % of a total amount of the negative electrode active material.
Inventor(s): Semi PARK 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., Sun Young SHIN of Daejeon (KR) for lg energy solution, ltd., Heeyeon PARK of Daejeon (KR) for lg energy solution, ltd., ILGEUN OH of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/04, H01M4/134, H01M4/38
CPC Code(s): H01M4/366
Abstract: a negative electrode active material including silicon-containing oxide particles, in which the silicon-containing oxide particles include si, li and mg is disclosed. an amount of li is larger than a content of mg, and an amount of mg is more than 0 wt % and 0.5 wt % or less based on 100 wt % of the negative electrode active material. a negative electrode including the negative electrode active material, and a secondary battery including the negative electrode are also disclosed.
20240266510. Electrode for Electrochemical Device_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Taek-Soo Lee of Daejeon (KR) for lg energy solution, ltd., Shin-Wook Jeon of Daejeon (KR) for lg energy solution, ltd., Young-Joon Jo of Daejeon (KR) for lg energy solution, ltd., Sang-Hoon Choy of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/04
CPC Code(s): H01M4/366
Abstract: an electrode for an electrochemical device includes an electrode active material layer having a multilayer structure including a lower sublayer and an upper sublayer having a stair-like structure defined between them along a peripheral region of the electrode active material layer, due to the areal difference of each layer, thereby facilitating control of the capacity ratio of the positive electrode to the negative electrode. a process for manufacturing the electrode includes formation of the stair-like structure, which provides higher processing efficiency as compared to the process of accurately matching the ends of the electrodes. therefore, when controlling the electrode manufacturing process to realize a multilayer electrode having an adequate stair width that is not excessively out of range, it is possible to enhance the processing efficiency and to control the capacity ratio of the resultant electrode.
Inventor(s): Sang Wook Lee of Daejeon (KR) for lg energy solution, ltd., Gi Beom Han of Daejeon (KR) for lg energy solution, ltd., Hakyoon Kim of Daejeon (KR) for lg energy solution, ltd., Sora Baek of Daejeon (KR) for lg energy solution, ltd., Jungmin Han of Daejeon (KR) for lg energy solution, ltd., Wang Mo Jung of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/505, H01M4/02, H01M4/525
CPC Code(s): H01M4/505
Abstract: a positive electrode and a secondary battery including the same is disclosed herein. in some embodiments, a positive electrode includes a positive electrode current collector and a positive electrode mixture containing a positive electrode active material disposed thereon, the positive electrode active material includes a lithium transition metal oxide powder represented by chemical formula 1,
Inventor(s): Sang Wook Lee of Daejeon (KR) for lg energy solution, ltd., Gi Beom Han of Daejeon (KR) for lg energy solution, ltd., Hakyoon Kim of Daejeon (KR) for lg energy solution, ltd., Sora Baek of Daejeon (KR) for lg energy solution, ltd., Jungmin Han of Daejeon (KR) for lg energy solution, ltd., Wang Mo Jung of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/505, H01M4/02, H01M4/525
CPC Code(s): H01M4/505
Abstract:
Inventor(s): Seong-Wook Kang of Daejeon (KR) for lg energy solution, ltd., Jae-Sung Han of Daejeon (KR) for lg energy solution, ltd., Sang-Min Kwak of Daejeon (KR) for lg energy solution, ltd., Kyung-Hwan Yoon of Daejeon (KR) for lg energy solution, ltd., Dong-Oh Shin of Daejeon (KR) for lg energy solution, ltd., Ki-Seok Lee of Daejeon (KR) for lg energy solution, ltd., Kwang-Ho Yoo of Daejeon (KR) for lg energy solution, ltd., Nam-Jeong Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/62, C08J3/22, C08K3/04, C08L27/16, H01M4/02, H01M4/04, H01M4/139
CPC Code(s): H01M4/623
Abstract: the present disclosure relates to a conductive material master batch for use in an electrode and an electrode obtained by using the same. the electrode obtained by using the conductive material master batch has an electrode resistance of 55 ohm�cm or less.
[[20240266544. ANODE PRE-DISPERSION SOLUTION, ANODE COMPOSITION COMPRISING SAME, ANODE FOR LITHIUM SECONDARY BATTERY COMPRISING ANODE COMPOSITION, LITHIUM SECONDARY BATTERY COMPRISING ANODE, AND METHOD FOR PREPARING ANODE COMPOSITION_simplified_abstract_(lg energy solution, ltd.)]]
Inventor(s): Sangmin LEE of Daejeon (KR) for lg energy solution, ltd., Yohan KWON of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/13, H01M4/48, H01M10/052
CPC Code(s): H01M4/628
Abstract: a negative electrode pre-dispersion solution, a negative electrode composition comprising the same, a negative electrode for a lithium secondary battery comprising a negative electrode composition, a lithium secondary battery comprising a negative electrode, and a preparation method of a negative electrode composition are disclosed. a negative electrode pre-dispersion solution, including a pre-dispersion material containing carbon nanotubes and a dispersant; and a dispersion medium. the dispersant includes carboxyl groups as a functional group. a solid content of the pre-dispersion material is 5% or less based on the negative electrode pre-dispersion solution, and 20 parts by weight or more and 60 parts by weight or less of the carbon nanotubes; and 40 parts by weight or more and 80 parts by weight or less of the dispersant are present based on 100 parts by weight of the pre-dispersion material.
20240266582. Electrode Assembly Manufacturing Process_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jea Bong Jung of Daejeon (KR) for lg energy solution, ltd., Chang Bum Ahn of Daejeon (KR) for lg energy solution, ltd., Sangjin Seo of Daejeon (KR) for lg energy solution, ltd., Dongguk Sim of Daejeon (KR) for lg energy solution, ltd., Yeongcheol Jang of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M50/466
CPC Code(s): H01M10/0418
Abstract: provided is an electrode assembly manufacturing process comprising the following steps. first, wrapping a second separator around a laminate structure having alternating layers of positive electrodes, first separators, and negative electrodes. second, simultaneously pressing the upper end and the lower end of the laminate structure including the second separator-- to strengthen the adhesive strength between each layer of the laminate structure. third, bonding the excess portions of the second separator-- surrounding the structure, thereby adjusting to meet the standard requirements of the laminate structure. and fourth, bonding each of the bonded portions of the second separator to a respective adjacent portion of the second separator in the lateral dimension. the electrode assembly manufacturing process minimizes damage to the initial structure and allows the wrapping to suit the size of the structure, thereby increasing the utilization value of the electrode assembly.
Inventor(s): 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., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd., Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd., Byoung-Gu LEE of Daejeon (KR) for lg energy solution, ltd., Jae-Eun LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M50/107, H01M50/186, H01M50/538, H01M50/567
CPC Code(s): H01M10/0431
Abstract: an electrode assembly, a battery, and a battery pack and a vehicle including the same are provided. one end of the electrode assembly includes a plurality of segment alignments in which the plurality of segment groups are aligned along a radial direction, and an electrolyte impregnation portion provided between segment alignments adjacent in a circumferential direction, wherein an end of the first active material portion is exposed between winding turns of the separator. the segments included in the segment alignment are bent toward the core to form a bending surface region. an end of the separator is spaced apart from a criterion line extending in a winding axis direction along a location corresponding to the plurality of cut grooves by 30% or less of a minimum height of the segments forming the bending surface region.
Inventor(s): Soo Jung Kim of Daejeon (KR) for lg energy solution, ltd., Duk Hyun Ryu of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M50/434, H01M50/443
CPC Code(s): H01M10/0431
Abstract: a jelly-roll type electrode assembly according to an embodiment of the present disclosure comprises a wound sheet-like laminate including an electrode and a separator. the separator includes a double-sided coating layer. the coating layer includes a mixture of a first alumina and a second alumina. the second alumina is contained in an amount of 16 to 40 parts by weight, based on 100 total parts by weight of the mixture. a particle diameter of the first alumina is smaller than a particle diameter of the second alumina.
20240266593. MULTILAYER NANOPOROUS SEPARATOR_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): David W. Avison of Boxborough MA (US) for lg energy solution, ltd., Steven A. Carlson of Cambridge MA (US) for lg energy solution, ltd., Benjamin Sloan of Exeter NH (US) for lg energy solution, ltd.
IPC Code(s): H01M10/0525, H01M50/417, H01M50/446, H01M50/451, H01M50/457, H01M50/489, H01M50/491
CPC Code(s): H01M10/0525
Abstract: a separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle/polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.
Inventor(s): Seungmi Han of Daejeon (KR) for lg energy solution, ltd., Takashi Takeuchi of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M10/0525, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: an electrolyte solution additive including: a sultone-based compound; lipof; and a compound represented by chemical formula 1, an electrolyte solution for a lithium secondary battery, including the electrolyte solution additive, and a lithium secondary battery including the electrolyte solution for a lithium secondary battery are described:
Inventor(s): Seungmi Han of Daejeon (KR) for lg energy solution, ltd., Takashi Takeuchi of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M10/0525, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract:
Inventor(s): Kwang-Su HWANGBO of Daejeon (KR) for lg energy solution, ltd., Do-Gyun KIM of Daejeon (KR) for lg energy solution, ltd., Geon-Woo MIN of Daejeon (KR) for lg energy solution, ltd., Hae-Jin LIM of Daejeon (KR) for lg energy solution, ltd., Min-Ki JO of Daejeon (KR) for lg energy solution, ltd., Su-Ji CHOI of Daejeon (KR) for lg energy solution, ltd., Bo-Hyun KANG 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., Jae-Woong KIM 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): H01M10/0587, H01M10/04, H01M10/052, H01M50/107, H01M50/119, H01M50/124, H01M50/133, H01M50/152, H01M50/167, H01M50/169, H01M50/179, H01M50/186, H01M50/188, H01M50/213, H01M50/342, H01M50/474, H01M50/477, H01M50/486, H01M50/505, H01M50/507, H01M50/533, H01M50/536, H01M50/538, H01M50/545, H01M50/55, H01M50/567
CPC Code(s): H01M10/0587
Abstract: discussed is a battery including an electrode assembly having a first electrode, a second electrode and a separator between the first electrode and the second electrode, a battery housing having a first end with a first opening and a second end with a second opening opposite the first end, the battery housing accommodating the electrode assembly and electrically connected to the second electrode to have a second polarity, a terminal electrically connected to the first electrode to have a first polarity, the terminal being exposed out of the battery housing through the first opening of the battery housing at the first end, and a cap covering and sealing the second opening at the second end of the battery housing. the cap overlaps the battery housing at the second end and has no polarity.
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): H01M10/42, H01M10/0585, H01M50/103, H01M50/54, H01M50/55, H01M50/553
CPC Code(s): H01M10/4235
Abstract: disclosed herein relates to an electrode assembly including: a plurality of unit cells, each unit cell comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode; and a protective stack layer on an outermost part of the electrode assembly, comprising a positive electrode foil, a negative electrode foil and a separator between the positive electrode foil and the negative electrode foil and on outer surfaces of the positive electrode foil and the negative electrode foil.
Inventor(s): Tae Hwan Roh of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/48, B21D37/10, H01M50/211, H01M50/289
CPC Code(s): H01M10/488
Abstract: the present invention relates to a battery cell stack in which a plurality of pouch-shaped battery cells is stacked. an alignment mark is formed at the bottom of a receiving portion configured to receive an electrode assembly in each of the plurality of pouch-shaped battery cells. the plurality of pouch-shaped battery cells is stacked such that the alignment marks individually formed at the pouch-shaped battery cells completely overlap each other in a stacking direction, and the alignment mark is a reference for measuring the dimensions of the pouch-shaped battery cells. consequently, it is possible to manufacture a battery cell stack in which the plurality of pouch-shaped battery cells is accurately aligned with each other in the stacking direction.
Inventor(s): Jae-Min YOO of Daejeon (KR) for lg energy solution, ltd., Jeong-O MUN of Daejeon (KR) for lg energy solution, ltd., Eun-Gyu SHIN of Daejeon (KR) for lg energy solution, ltd., Yoon-Koo LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/6557, H01M10/613, H01M10/625, H01M10/6568, H01M50/325, H01M50/35, H01M50/505, H01M50/507
CPC Code(s): H01M10/6557
Abstract: a battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. the battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.
Inventor(s): Hun Hee Lim of Daejeon (KR) for lg energy solution, ltd., Sang-Hun Kim of Daejeon (KR) for lg energy solution, ltd., Min-Hyeong Kang of Daejeon (KR) for lg energy solution, ltd., Dae-Woong Song of Daejeon (KR) for lg energy solution, ltd., Hyung-Kyun Yu of Daejeon (KR) for lg energy solution, ltd., Soo-Ji Hwang of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/124, H01M50/178, H01M50/186, H01M50/342
CPC Code(s): H01M50/1243
Abstract: disclosed is a battery cell, which includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof. the battery case further includes an electrode lead electrically connected to an electrode tab included in the electrode assembly and protruding out of the battery case through the sealing portion, and a lead film located at a portion corresponding to the sealing portion in at least one of an upper portion and a lower portion of the electrode lead. the lead film has a dented portion recessed in an outer direction of the battery case and opened toward the inside of the battery case. the battery cell also has a coating layer located on a gas discharge portion of the lead film that contains a fluorine-based polymer.
20240266645. Pouch Film Stack and Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Soo Ji Hwang of Daejeon (KR) for lg energy solution, ltd., Sang Hun Kim of Daejeon (KR) for lg energy solution, ltd., Hyung Kyun Yu of Daejeon (KR) for lg energy solution, ltd., Min Hyeong Kang of Daejeon (KR) for lg energy solution, ltd., Dae Woong Song of Daejeon (KR) for lg energy solution, ltd., Hun Hee Lim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/129, H01M50/105, H01M50/119, H01M50/121, H01M50/131, H01M50/133
CPC Code(s): H01M50/129
Abstract: a pouch film stack according to the present invention includes a base layer, a gas barrier layer, and a sealant layer stacked in that order. the sealant layer includes a first sealant layer located adjacent to the gas barrier layer and a second sealant layer stacked on the first sealant layer. a percentage difference in yield strength between the first and second sealant layers (�y) is 66% to 120%, where �y is defined as: {(yield strength of second sealant layer−yield strength of first sealant layer)/yield strength of first sealant layer}�
20240266646. Pouch Film and Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Dae Woong Song of Daejeon (KR) for lg energy solution, ltd., Soo Ji Hwang 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.
IPC Code(s): H01M50/141, H01M50/105, H01M50/119, H01M50/121, H01M50/129
CPC Code(s): H01M50/141
Abstract: a pouch film laminate includes a first base layer, a second base layer, a gas barrier layer and a sealant layer, which are sequentially stacked, and the moisture content index of the second base layer, which is represented by a predetermined formula, is about 17,000 ppm�g/cmor less.
Inventor(s): Min-Hyeong Kang of Daejeon (KR) for lg energy solution, ltd., Sang-Hun Kim of Daejeon (KR) for lg energy solution, ltd., Dae-Woong Song of Daejeon (KR) for lg energy solution, ltd., Hyung-Kyun Yu of Daejeon (KR) for lg energy solution, ltd., Hun-Hee Lim of Daejeon (KR) for lg energy solution, ltd., Soo-Ji Hwang of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/178, H01M50/121, H01M50/131, H01M50/184, H01M50/186, H01M50/342
CPC Code(s): H01M50/178
Abstract: a battery cell including a case and an electrode assembly. the case having an accommodation portion in which the electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof. an electrode tab of the electrode assembly is electrically connected to an electrode lead that protrudes out of the case through the sealing portion. a lead film is located at a portion corresponding to the sealing portion in at least one of an upper portion or a lower portion of the electrode lead. the lead film has a dented portion recessed in an outer direction of the case and that is open toward the inside of the case. the sealing portion has an indented sealing portion that does not overlap with at least a part of the gas discharge portion on a plane.
Inventor(s): Chi Ho AHN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/242, G01L5/00, H01M10/42, H01M10/48, H01M50/579
CPC Code(s): H01M50/242
Abstract: a battery pack with a shock detection module, and a battery pack for detecting a strength of a shock applied to the battery pack step by step by applying a shock detection module structure to a battery management system (bms) and performing bms control.
Inventor(s): Sung-Won Seo of Daejeon (KR) for lg energy solution, ltd., In-Je Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/242, H01M50/204, H01M50/249, H01M50/264, H01M50/289
CPC Code(s): H01M50/242
Abstract: a battery pack with a simplified structure and a vehicle including the same are provided. the battery pack according to an aspect of the present disclosure includes a plurality of battery cell assemblies, a pack housing configured to accommodate the plurality of battery cell assemblies therein, a plurality of support plates configured to support both sides of each battery cell assembly accommodated in the pack housing, and a fixing member configured to fix mutually adjacent support plates among the plurality of support plates to the pack housing so that a gap is formed between the mutually adjacent support plates.
Inventor(s): Soo-Jung KIM of Daejeon (KR) for lg energy solution, ltd., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/446, H01M10/0525, H01M50/417, H01M50/42, H01M50/434, H01M50/457
CPC Code(s): H01M50/446
Abstract: a separator for an electrochemical device, including: a porous polymer substrate having a first surface and a second surface opposite the first surface; a first organic/inorganic composite porous layer on the first surface of the porous polymer substrate where the first organic/inorganic composite porous layer includes first inorganic particles and a first binder polymer; and a second organic/inorganic composite porous layer on the second surface of the porous polymer substrate where the second organic/inorganic composite porous layer includes the first inorganic particles, second inorganic particles and a second binder polymer. the first inorganic particles have an average particle diameter of 1 nm to 100 nm, and the second inorganic particles have an average particle diameter larger than the average particle diameter of the first inorganic particles. the separator shows improved high-temperature safety and assembling processability.
Inventor(s): Yeo Ju YOON of Daejeon (KR) for lg energy solution, ltd., Min Ji KIM of Daejeon (KR) for lg energy solution, ltd., Ji Eun KIM of Daejeon (KR) for lg energy solution, ltd., Dong Wook SUNG of Daejeon (KR) for lg energy solution, ltd., Jin Young SHIN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/446, H01M10/052, H01M50/403, H01M50/44, H01M50/491
CPC Code(s): H01M50/446
Abstract: a separator for an electrochemical device, and an electrochemical device including the same are disclosed. the separator according to an exemplary embodiment of the present disclosure is a separator for an electrochemical device. the separator includes a porous polymer substrate and one porous coating layer on at least one surface of the porous polymer substrate. the porous coating layer includes inorganic hydroxide particles, cellulose nanoparticles, and an aqueous binder polymer. the amount of the cellulose nanofibers is 25% by weight or more and 70% by weight or less based on the total weight of the porous coating layer.
20240266677. POUCH-TYPE LITHIUM SECONDARY BATTERY_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Gi Su PARK of Daejeon (KR) for lg energy solution, ltd., Hyunsoo LEE of Daejeon (KR) for lg energy solution, ltd., Jaegil LEE of Daejeon (KR) for lg energy solution, ltd., Dongseok SHIN of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/474, H01M10/052, H01M50/105, H01M50/119, H01M50/186, H01M50/193, H01M50/486, H01M50/533
CPC Code(s): H01M50/474
Abstract: a pouch-type lithium secondary battery is provided. the pouch-type lithium secondary battery comprises an electrode assembly including a positive electrode, a separator, and a negative electrode; an electrode lead tab electrically connected to the electrode assembly; and a pouch accommodating the electrode assembly and having a sealing portion at an edge and a junction portion which seals a portion where the electrode lead tab protrudes to the outside of the pouch through the sealing portion, the separator protruding relative to one end of the positive electrode and having a length of the protruding portion less than or equal to a length from the one end of the positive electrode to the sealing portion, and thereby preventing a short circuit between a positive electrode and a negative electrode and providing improved safety and lifetime characteristics.
Inventor(s): Kyeong Hui BAE of Daejeon (KR) for lg energy solution, ltd., So Yeong LEE of Daejeon (KR) for lg energy solution, ltd., So Mi JEONG of Daejeon (KR) for lg energy solution, ltd., Won Sik BAE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/494, H01M4/36, H01M4/587, H01M50/417, H01M50/446, H01M50/457
CPC Code(s): H01M50/494
Abstract: provided is a lithium secondary battery with reduced hi-pot defects and improved capacity retention rate. according to one aspect of the present disclosure, there is provided a lithium secondary battery including an anode, a cathode, and a separator interposed between the anode and the cathode, in which the anode includes a si-based anode active material, the separator includes a separator substrate having a plurality of pores and including a polyolefin resin, the polyolefin resin has a polydispersity index (pdi) of 2.5 to 4.2, an average pore size of 20 to 40 nm, and a maximum pore size of 50 nm or less.
20240266680. BATTERY PACK INCLUDING CONNECTION PLATE_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Jin-Oh YANG of Daejeon (KR) for lg energy solution, ltd., Seog-Jin YOON of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/502, H01M50/213, H01M50/258, H01M50/298, H01M50/50, H01M50/503
CPC Code(s): H01M50/502
Abstract: a battery pack includes a plurality of battery modules arranged in a front and rear direction, and each of the plurality of battery modules includes a plurality of cylindrical battery cells; a module housing having a plurality of hollows in which the plurality of cylindrical battery cells are accommodated; and a connection plate having a body portion at the upper portion or the lower portion of the plurality of cylindrical battery cells and provided with a plurality of connection terminals respectively in electrical contact and connection with the electrode terminal at one of the plurality of cylindrical battery cells, and a connection portion to protrusively extend in a left direction or a right direction from the body portion so that the protrusively extending portion is bent upward or downward from the body portion and the bent end is in contact and connection with a portion of another connection plate.
Inventor(s): Jae-Won LIM of Daejeon (KR) for lg energy solution, ltd., Min-Ki JO of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/538, B60L50/60, H01M50/107, H01M50/152, H01M50/184, H01M50/186, H01M50/533, H01M50/536
CPC Code(s): H01M50/538
Abstract: a cylindrical battery includes an electrode assembly; a battery housing configured to accommodate the electrode assembly through an open portion; a first current collecting plate having a support portion disposed on the electrode assembly, at least one tab coupling portion extending from the support portion, and at least one housing coupling portion extending from an end of the tab coupling portion and coupled to an inner surface of the battery housing, the first current collecting plate being located within the battery housing; a cap plate configured to cover the open portion; a terminal passing through the battery housing at a side opposite to the open portion; and a sealing spacer configured to prevent movement of the electrode assembly and to enhance a sealing force of the battery housing.
Inventor(s): Jin Hyeok WON of Seoul (KR) for lg energy solution, ltd., Duk Hyun RYU of Seoul (KR) for lg energy solution, ltd., Byounggu LEE of Seoul (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/567, H01M50/107, H01M50/179, H01M50/186, H01M50/193, H01M50/197, H01M50/198, H01M50/559, H01M50/566
CPC Code(s): H01M50/567
Abstract: a riveting structure of an electrode terminal, and a cylindrical battery cell, a battery pack, and a vehicle including the same includes: a battery can with one side open; an electrode terminal riveted through a through hole formed in a bottom of the battery can; and a gasket provided between the electrode terminal and an outer diameter of the through hole, and the gasket includes a fluorine resin.
Inventor(s): Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd., Sue-Jin KIM of Daejeon (KR) for lg energy solution, ltd., Yun-Ju LEE of Daejeon (KR) for lg energy solution, ltd., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/595, H01M10/04, H01M50/107, H01M50/186, H01M50/213, H01M50/249, H01M50/536, H01M50/538, H01M50/586
CPC Code(s): H01M50/595
Abstract: an electrode assembly including a first electrode, a second electrode, and a separation file interposed between the first electrode and the second electrode, the first electrode, the second electrode, and the separator being wound in one direction about a winding axis is provided. each of the first electrode and the second electrode has a sheet shape with a pair of long sides and an uncoated portion not coated with an active material layer on one of the long sides. the first electrode includes at least one insulation layer that simultaneously covers a portion of the uncoated portion and a portion of the coated portion. a cylindrical battery cell and a battery pack are also provided.
Inventor(s): Jung Hyun KWON of Daejeon (KR) for lg energy solution, ltd., Chan Ha PARK of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H02J7/00, H01M10/42
CPC Code(s): H02J7/0071
Abstract: the present disclosure provides a battery management system including a reception unit configured to receive a start signal and a completion signal of job from another battery management system, a transmission unit configured to transmit the start signal and the completion signal of job by broadcast, a storage unit configured to store a time table including a job code of a plurality of jobs to be executed, a priority of corresponding job, and an execution time and period of corresponding job, a synchronization unit configured to execute synchronization of a job execution time using the received start signal or the received completion signal of job and the time table, and a job execution unit configured to execute a job using the time table stored in the storage unit and a time calculated by the synchronization unit.
20240266859. BATTERY MANAGEMENT APPARATUS AND METHOD_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Ji-Yeon KIM of Daejeon (KR) for lg energy solution, ltd., Kyung-Hwa WOO of Daejeon (KR) for lg energy solution, ltd., Yoon-Jung BAE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H02J7/00, H01M10/42
CPC Code(s): H02J7/00712
Abstract: a battery management apparatus according to an embodiment of the present disclosure includes a profile obtaining unit configured to obtain a gas amount profile indicating a correspondence relationship between a gas generation amount of a battery and a change amount of a peak; a profile generating unit configured to generate a differential profile for a battery profile indicating a correspondence relationship between a capacity of the battery and a differential voltage; and a control unit configured to determine a change amount of a target peak in the battery profile received from the profile generating unit and set a usage condition of the battery based on a result determined by comparing the determined change amount of the target peak with a control criterion of the gas amount profile.
Inventor(s): Seok Hyeong HAM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H02M1/34, H02J7/02, H02M3/158
CPC Code(s): H02M1/34
Abstract: discussed is converter that may include a first inductor connected to a power source at a first node, a second inductor connected to the first inductor at a second node, a third inductor connected to the first inductor at the first node and the second node, a switch connected in series to the second inductor at a third node, a first diode connected to the second inductor and the switch at the third node, a first capacitor connected to the first inductor and the second inductor at the second node and connected to the first diode at a fourth node, a fourth inductor connected to the first diode and the first capacitor at the fourth node, a second diode connected to the fourth inductor at a fifth node, and a resistor connected to the second diode at a sixth node.
LG ENERGY SOLUTION, LTD. patent applications on August 8th, 2024
- LG ENERGY SOLUTION, LTD.
- B05C1/08
- H01M50/403
- CPC B05C1/0808
- Lg energy solution, ltd.
- G01N21/89
- G01N21/88
- H01M4/04
- CPC G01N21/8914
- G01R31/389
- G01R31/3835
- G01R31/392
- CPC G01R31/389
- G01R31/52
- G01R31/36
- CPC G01R31/52
- G06T7/00
- G06T7/62
- H01M50/516
- CPC G06T7/001
- B23K26/342
- CPC H01M4/0404
- B32B37/00
- H01M4/02
- H01M4/134
- H01M4/1395
- H01M4/38
- H01M10/052
- CPC H01M4/043
- C22C24/00
- C22F1/16
- H01M4/08
- H01M4/139
- CPC H01M4/0485
- H01M4/36
- CPC H01M4/364
- C01B33/113
- H01M4/48
- H01M4/58
- H01M4/587
- CPC H01M4/366
- H01M4/505
- H01M4/525
- CPC H01M4/505
- H01M4/62
- C08J3/22
- C08K3/04
- C08L27/16
- CPC H01M4/623
- H01M4/13
- CPC H01M4/628
- H01M10/04
- H01M50/466
- CPC H01M10/0418
- H01M50/107
- H01M50/186
- H01M50/538
- H01M50/567
- CPC H01M10/0431
- H01M50/434
- H01M50/443
- H01M10/0525
- H01M50/417
- H01M50/446
- H01M50/451
- H01M50/457
- H01M50/489
- H01M50/491
- CPC H01M10/0525
- H01M10/0567
- H01M10/0568
- H01M10/0569
- CPC H01M10/0567
- H01M10/0587
- H01M50/119
- H01M50/124
- H01M50/133
- H01M50/152
- H01M50/167
- H01M50/169
- H01M50/179
- H01M50/188
- H01M50/213
- H01M50/342
- H01M50/474
- H01M50/477
- H01M50/486
- H01M50/505
- H01M50/507
- H01M50/533
- H01M50/536
- H01M50/545
- H01M50/55
- CPC H01M10/0587
- H01M10/42
- H01M10/0585
- H01M50/103
- H01M50/54
- H01M50/553
- CPC H01M10/4235
- H01M10/48
- B21D37/10
- H01M50/211
- H01M50/289
- CPC H01M10/488
- H01M10/6557
- H01M10/613
- H01M10/625
- H01M10/6568
- H01M50/325
- H01M50/35
- CPC H01M10/6557
- H01M50/178
- CPC H01M50/1243
- H01M50/129
- H01M50/105
- H01M50/121
- H01M50/131
- CPC H01M50/129
- H01M50/141
- CPC H01M50/141
- H01M50/184
- CPC H01M50/178
- H01M50/242
- G01L5/00
- H01M50/579
- CPC H01M50/242
- H01M50/204
- H01M50/249
- H01M50/264
- H01M50/42
- CPC H01M50/446
- H01M50/44
- H01M50/193
- CPC H01M50/474
- H01M50/494
- CPC H01M50/494
- H01M50/502
- H01M50/258
- H01M50/298
- H01M50/50
- H01M50/503
- CPC H01M50/502
- B60L50/60
- CPC H01M50/538
- H01M50/197
- H01M50/198
- H01M50/559
- H01M50/566
- CPC H01M50/567
- H01M50/595
- H01M50/586
- CPC H01M50/595
- H02J7/00
- CPC H02J7/0071
- CPC H02J7/00712
- H02M1/34
- H02J7/02
- H02M3/158
- CPC H02M1/34
