Samsung SDI Co., Ltd. patent applications on March 27th, 2025
Patent Applications by Samsung SDI Co., Ltd. on March 27th, 2025
Samsung SDI Co., Ltd.: 28 patent applications
Samsung SDI Co., Ltd. has applied for patents in the areas of H01M4/02 (6), H01M10/052 (4), H01M10/04 (4), H01M10/0525 (4), H01M50/443 (3) H01M50/446 (3), H01M50/105 (2), H01M10/0562 (2), G01B7/18 (1), H01M50/586 (1)
With keywords such as: electrode, plate, assembly, battery, including, portion, particles, layer, case, and cell in patent application abstracts.
Patent Applications by Samsung SDI Co., Ltd.
Inventor(s): Jong Chan Han of Yongin-si KR for samsung sdi co., ltd., Gi Young Kim of Yongin-si KR for samsung sdi co., ltd., Ki Jun Yu of Seoul KR for samsung sdi co., ltd., Tae Min Kim of Seongnam-si KR for samsung sdi co., ltd., Kyu Been Kim of Seoul KR for samsung sdi co., ltd.
IPC Code(s): G01B7/16, G01L1/22, H01M10/48
CPC Code(s): G01B7/18
Abstract: disclosed is a secondary battery including a case configured to surround an exterior of an electrode assembly, and a strain sensor attached to an exterior of the case to detect deformation of the case. the strain sensor may include a backing part attached to the exterior of the case; a strain gauge installed on the backing part and formed of single-crystal silicon; a wiring part stacked on the backing part, along with the strain gauge, and electrically connected to the strain gauge; and an encapsulation part fixed to the backing part while surrounding the strain gauge and the wiring part excluding a portion of the wiring part.
Inventor(s): Minyoung LEE of Suwon-si KR for samsung sdi co., ltd., Jimin KIM of Suwon-si KR for samsung sdi co., ltd., Wanhee LIM of Suwon-si KR for samsung sdi co., ltd., Jun SAKONG of Suwon-si KR for samsung sdi co., ltd., Minki CHON of Suwon-si KR for samsung sdi co., ltd., Changsoo WOO of Suwon-si KR for samsung sdi co., ltd., Seung-Wook SHIN of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): G03F7/004, H01L21/027
CPC Code(s): G03F7/0042
Abstract: disclosed are a semiconductor photoresist composition including an organometallic compound; a vinyl group-containing acid compound; and a solvent, and a method of forming a pattern using the same.
Inventor(s): Young-Min KIM of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/133, H01M4/02, H01M4/1393, H01M4/38, H01M4/583, H01M10/0525
CPC Code(s): H01M4/133
Abstract: a negative active material for a rechargeable lithium battery includes a composite of silicon and crystalline carbon, wherein the silicon has an average particle diameter (d50) of about 10 nm to about 150 nm, and the crystalline carbon has an average particle diameter (d50) of about 5 �m to about 20 �m, and an aspect ratio of about 4 to about 10.
Inventor(s): Yookyung KIM of Yongin-si KR for samsung sdi co., ltd., Deok-Hyun KIM of Yongin-si KR for samsung sdi co., ltd., Youngugk KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/36, C01B33/021, H01M4/02, H01M4/38, H01M10/052
CPC Code(s): H01M4/366
Abstract: a negative electrode active material, including primary particles including silicon nanoparticles, and a metal coating layer including a metal material surrounding a surface of each of the silicon nanoparticles; a secondary particle where the primary particles are agglomerated; and an amorphous carbon coating layer surrounding a surface of the primary particles and a surface of the secondary particle, wherein the negative electrode active material has a span as defined by equation 1 of about 1.1 to about 1.6,
Inventor(s): Yookyung KIM of Yongin-si KR for samsung sdi co., ltd., Deok-Hyun KIM of Yongin-si KR for samsung sdi co., ltd., Youngugk KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/36, C01B33/021, H01M4/02, H01M4/38, H01M10/052
CPC Code(s): H01M4/366
Abstract:
Inventor(s): Yookyung KIM of Yongin-si KR for samsung sdi co., ltd., Deok-Hyun KIM of Yongin-si KR for samsung sdi co., ltd., Youngugk KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/36, C01B33/021, H01M4/02, H01M4/38, H01M10/052
CPC Code(s): H01M4/366
Abstract: wherein, d10 indicates a diameter of particles having a cumulative volume of 10 volume % in a particle size distribution, d50 indicates a diameter of particles having a cumulative volume of 50 volume % in the particle size distribution, and d90 indicates a diameter of particles having a cumulative volume of 90 volume % in the particle size distribution.
Inventor(s): Wonmo SEONG of Yongin-si KR for samsung sdi co., ltd., Naoyuki HASE of Yongin-si KR for samsung sdi co., ltd., Dohoon KIM of Yongin-si KR for samsung sdi co., ltd., Dong Hee YEON of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/505, C01G45/12, C01G53/00, H01M4/02, H01M4/525, H01M10/052
CPC Code(s): H01M4/505
Abstract: provided are a positive electrode active material for a rechargeable lithium battery including a compound represented by chemical formula 1, a positive electrode including the same, and a rechargeable lithium battery. in chemical formula 1, 0<a<1, 0.03≤x≤0.2, 0.35≤y≤0.7, 0<b<1, 0<c<1 and 0.5≤z≤1.0.
Inventor(s): Wonmo SEONG of Yongin-si KR for samsung sdi co., ltd., Naoyuki HASE of Yongin-si KR for samsung sdi co., ltd., Dohoon KIM of Yongin-si KR for samsung sdi co., ltd., Dong Hee YEON of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/505, C01G45/12, C01G53/00, H01M4/02, H01M4/525, H01M10/052
CPC Code(s): H01M4/505
Abstract:
Inventor(s): Soonsung SUH of Yongin-si KR for samsung sdi co., ltd., Seunguk KWON of Yongin-si KR for samsung sdi co., ltd., Jinhyon LEE of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M4/58, H01M4/02, H01M4/36, H01M4/62, H01M10/052
CPC Code(s): H01M4/5825
Abstract: a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. the positive electrode includes a dry positive active material layer including a positive active material of a large-particle lithium iron phosphate particle and a small-particle lithium iron phosphate particle and a polytetrafluoroethylene binder.
Inventor(s): GIWOOK LEE of Yongin-si KR for samsung sdi co., ltd., Junghyun Lee of Yongin-si KR for samsung sdi co., ltd., Junhyeok Kwak of Yongin-si KR for samsung sdi co., ltd., Jeongyi Park of Yongin-si KR for samsung sdi co., ltd., Hyunchul Kim of Yongin-si KR for samsung sdi co., ltd., Hyemin Park of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0409
Abstract: a device for preventing meandering of a rechargeable battery electrode includes an unwinder configured to supply an electrode plate including a coated region and an uncoated region to an electrode substrate, at least one guide roll configured to provide a tension to the electrode plate supplied from the unwinder and configured to support the electrode plate and a rewinder for rewinding the electrode plate passed through the guide roll, wherein the electrode plate has a step h in a boundary of the uncoated region and the coated region, and wherein the guide roll(s) includes a first support portion having a first radius and corresponding to the coated region, and a second support portion having a second radius that is greater than the first radius and corresponding to the uncoated region.
Inventor(s): Jinah LEE of Yongin-si KR for samsung sdi co., ltd., Riyul KIM of Yongin-si KR for samsung sdi co., ltd., Jinhee MOON of Yongin-si KR for samsung sdi co., ltd., Hyeonjeong KIM of Yongin-si KR for samsung sdi co., ltd., Jihyoung PARK of Yongin-si KR for samsung sdi co., ltd., Jeonga MINN of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/04
CPC Code(s): H01M10/0468
Abstract: an all-solid rechargeable battery pressurization apparatus includes: an upper pressure plate and a lower pressure plate that are spaced apart and face each other. the pressure plates are configured to contact with opposite surfaces of an all-solid cell to apply pressure to the surfaces. a pressurizing member fastens the upper and lower pressure plates to each other and is configured to provide pressure to the all-solid cell. a thickness reinforcing member is positioned in a central area of an upper surface of the upper pressure plate.
Inventor(s): Wonsung Choi of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M4/02, H01M4/62
CPC Code(s): H01M10/0562
Abstract: a mixed solid-state ionic conductor including: a compound represented by formula 1; and a salt represented by formula 2,
Inventor(s): Wonsung Choi of Suwon-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M4/02, H01M4/62
CPC Code(s): H01M10/0562
Abstract:
wherein, in formula 1 and formula 2, m, m′, m″, x, y′, z, a, b, c, d, e, f, and g are as described in the specification.
Inventor(s): Jeongeun OH of Yongin-si KR for samsung sdi co., ltd., Jeongdoo YI of Yongin-si KR for samsung sdi co., ltd., Kookhan KIM of Yongin-si KR for samsung sdi co., ltd., Sihyeon SUNG of Yongin-si KR for samsung sdi co., ltd., Hyesu KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M50/443, H01M50/46
CPC Code(s): H01M10/0562
Abstract: an argyrodite-type sulfide solid electrolyte represented by chemical formula 1,
Inventor(s): Jeongeun OH of Yongin-si KR for samsung sdi co., ltd., Jeongdoo YI of Yongin-si KR for samsung sdi co., ltd., Kookhan KIM of Yongin-si KR for samsung sdi co., ltd., Sihyeon SUNG of Yongin-si KR for samsung sdi co., ltd., Hyesu KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M50/443, H01M50/46
CPC Code(s): H01M10/0562
Abstract:
(limm)(pm)(sx)x [chemical formula 1]
Inventor(s): Jeongeun OH of Yongin-si KR for samsung sdi co., ltd., Jeongdoo YI of Yongin-si KR for samsung sdi co., ltd., Kookhan KIM of Yongin-si KR for samsung sdi co., ltd., Sihyeon SUNG of Yongin-si KR for samsung sdi co., ltd., Hyesu KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M50/443, H01M50/46
CPC Code(s): H01M10/0562
Abstract: in chemical formula 1, 4≤a≤8, mis at least one element selected from groups 2 and 11 of the periodic table, 0<b<0.5, mis at least one element other than li selected from group 1 of the periodic table, 0≤c<0.5, mis bi, cu, ge, sb, si, sn, zn, or a combination thereof, 0<d<1, 0<e<1, xis o, n, so, or a combination thereof, 1.5≤n≤5, 3≤f≤7, 0≤g<2, xis at least one element selected from group 17 of the periodic table, and 0<h≤2.
Inventor(s): Minjeong LEE of Yongin-si KR for samsung sdi co., ltd., Changhong KO of Yongin-si KR for samsung sdi co., ltd., Sam-Jin PARK of Yongin-si KR for samsung sdi co., ltd., Eonmi LEE of Yongin-si KR for samsung sdi co., ltd., Jinweon SEO of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/42, H01M10/052, H01M50/42, H01M50/434, H01M50/443, H01M50/457
CPC Code(s): H01M10/4235
Abstract: a separator for a rechargeable lithium battery, the separator includes a substrate; a heat resistant adhesive layer on one surface of the substrate; and a heat resistant layer on another surface of the substrate, wherein the heat resistant adhesive layer includes first inorganic particles, and a swellable adhesive binder, the swellable adhesive binder includes a first structural unit derived from a vinyl aromatic monomer, a second structural unit derived from an alkyl acrylate monomer, and a third structural unit derived from a phosphonate monomer, and the heat resistant layer includes second inorganic particles, and a heat resistant binder.
Inventor(s): Florian Maxl of Graz AT for samsung sdi co., ltd.
IPC Code(s): H01M10/42, H01M10/48, H01M10/6554, H01M50/224, H01M50/242, H01M50/249
CPC Code(s): H01M10/4264
Abstract: a housing for a battery system includes: an underbody structure including an upper portion and a lower portion; and a detection system for detecting damage to the underbody structure. the upper portion and the lower portion are electrically conductive and oppositely arranged at a distance from each other to be electrically isolated from each other and forming a capacitor therebetween. the detection system includes a resonant circuit into which the capacitor is interconnected is configured to apply a voltage to the resonant circuit at the resonance frequency of the resonant circuit and to detect a change in the capacitance by monitoring a change of the current at the resonance frequency.
Inventor(s): Chiyoung KIM of Yongin-si KR for samsung sdi co., ltd., Chan Yoon JUNG of Yongin-si KR for samsung sdi co., ltd., Jehyun LEE of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M10/44, H01M10/0585
CPC Code(s): H01M10/446
Abstract: a rotating charge/discharge device includes a cell fixing portion configured to fix at least one battery cell, a major surface of the cell fixing portion being perpendicular to a gravity direction, a cell activating portion that includes a charge/discharge portion, a positive electrode connector connecting a positive electrode lead of the at least one battery cell and the charge/discharge portion, and a negative electrode connector connecting a negative electrode lead of the at least one battery cell and the charge/discharge portion, the cell activating portion being configured to charge and discharge the at least one battery cell, and a cell rotating portion that includes a rotating shaft coupled to the cell fixing portion and extending in parallel to the major surface of the cell fixing portion, and a rotating driver periodically rotating the rotating shaft with the cell fixing portion.
20250105402. RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Duckhyun KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/103, H01M50/46
CPC Code(s): H01M50/103
Abstract: a rechargeable battery includes a housing including a hexagonal plate extending in first direction and a hexagonal pillar extending from the hexagonal plate in second direction crossing the first direction and an electrode assembly inside the housing and including a plurality of electrode plates stacked in the first direction.
20250105403. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Yoo Jung LEE of Yongin-si KR for samsung sdi co., ltd., Jeong A WON of Yongin-si KR for samsung sdi co., ltd., Su Kyung JIN of Yongin-si KR for samsung sdi co., ltd., Eun Seo JEE of Yongin-si KR for samsung sdi co., ltd., Seung Yoon HONG of Yongin-si KR for samsung sdi co., ltd., Ha Yan LEE of Yongin-si KR for samsung sdi co., ltd., Ji Won PARK of Yongin-si KR for samsung sdi co., ltd., Hyeong Ho CHOI of Yongin-si KR for samsung sdi co., ltd., Do Hyeong SEOK of Yongin-si KR for samsung sdi co., ltd., Soo Bean CHOI of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/105, H01M50/178, H01M50/198
CPC Code(s): H01M50/105
Abstract: a secondary battery includes an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate, wherein the electrode assembly has a first end, a second end opposite the first end, a first side and a second side opposite the first side, a pouch configured to surround the electrode assembly, and an inner support installed between the pouch and the electrode assembly to support the inside of the pouch.
20250105404. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Seong Hun JEONG of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/105
CPC Code(s): H01M50/105
Abstract: a secondary battery includes: an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate; a pouch having an inner space in which the electrode assembly is accommodated; a flat part forming a plane on an end of the pouch; and a guide part installed around the flat part and having a shape that protrudes further than the flat part.
20250105407. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Eun Sung LEE of Yongin-si KR for samsung sdi co., ltd., Dae Kyung HAN of Yongin-si KR for samsung sdi co., ltd., Sang Dae HWANG of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/14, H01M10/0525, H01M10/0583, H01M50/103, H01M50/55, H01M50/557
CPC Code(s): H01M50/14
Abstract: a secondary battery reduces or prevents the likelihood of lifting or twisting by increasing the fixing force between an electrode plate and a separator of a stacked electrode assembly, and reduces or prevents the likelihood of damage to an electrode plate due to being pressed by a lower insulating member of a cap assembly. a secondary battery may include an electrode assembly including first and second electrode plates alternately stacked with a separator therebetween, a first current collector plate coupled to the first electrode plate, a case accommodating the electrode assembly and the first current collector plate, a cap plate coupled to the case, a first terminal contacting the first current collector plate, and having an upper end penetrating the cap plate, and an insulating tape covering upper and lower surfaces of the electrode assembly, fixing the electrode assembly, and extending along a longitudinal direction of the cap plate.
20250105408. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): In Hyun HWANG of Yongin-si KR for samsung sdi co., ltd., Ha Ram YEO of Yongin-si KR for samsung sdi co., ltd., Bum Rae KIM of Yongin-si KR for samsung sdi co., ltd., Da Hyun KIM of Yongin-si KR for samsung sdi co., ltd., Byong Gon LEE of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/15, H01M50/103, H01M50/169
CPC Code(s): H01M50/15
Abstract: a secondary battery includes: a case having an open end; an electrode assembly accommodated in the case; and a cap assembly coupled to the open end of the case and including a cap plate. a portion of the cap plate coupled to the case is thicker than other portions of the cap plate.
20250105415. RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Chiyoung KIM of Yongin-si KR for samsung sdi co., ltd., Chan Yoon JUNG of Yongin-si KR for samsung sdi co., ltd., Jehyun LEE of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/233, H01M50/264, H01M50/46, H01M50/466, H01M50/54
CPC Code(s): H01M50/233
Abstract: a rechargeable battery includes an electrode assembly and a casing configured to accommodate and seal the electrode assembly, wherein the electrode assembly includes a cell stack including a plurality of first electrodes and a plurality of second electrodes alternately stacked one by one with a separator interposed therebetween, the cell stack including a first part having a first thickness, and a second part having a second thickness smaller than the first thickness, a correction sheet positioned on the second part and configured to uniformize a thickness of the cell stack, and a pair of first fixing parts positioned over front, lateral, and rear surfaces of the cell stack and having a portion that overlaps the correction sheet.
20250105438. RECHARGEABLE BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Kwangjo Cheong of Yongin-si KR for samsung sdi co., ltd., Minyoung Jang of Yongin-si KR for samsung sdi co., ltd., Hyun Cho of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/342, H01M50/105, H01M50/133, H01M50/148
CPC Code(s): H01M50/3425
Abstract: a rechargeable battery according to the present disclosure includes: an electrode assembly; a pouch case that includes a first receiving portion surrounding a part of the electrode assembly, a second receiving portion that is coupled with the first receiving portion while surrounding the rest of the electrode assembly, and a penetration portion penetrating one or more of the first receiving portion and second receiving portion, and that receives the electrode assembly; and a venting member that is provided in the penetration portion, and is opened when an internal pressure reaches a threshold pressure.
Inventor(s): Hyeonseon CHOI of Gyeonggi-do KR for samsung sdi co., ltd., Jinyoung KIM of Gyeonggi-do KR for samsung sdi co., ltd., Dongwan SEO of Gyeonggi-do KR for samsung sdi co., ltd.
IPC Code(s): H01M50/446, H01M50/417, H01M50/42, H01M50/423, H01M50/426, H01M50/434, H01M50/491
CPC Code(s): H01M50/446
Abstract: a separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the separator for a rechargeable lithium battery comprises: a porous substrate; and a coating layer disposed on at least one surface of the porous substrate and comprising first polyethylene particles, second polyethylene particles, and ceramics, wherein the ratio of the average size of the second polyethylene particles to the average size of the first polyethylene particles ranges from 25 to 80%.
Inventor(s): Dongwan SEO of Gyeonggi-do KR for samsung sdi co., ltd., Jinyoung KIM of Gyeonggi-do KR for samsung sdi co., ltd., Hyeonseon CHOI of Gyeonggi-do KR for samsung sdi co., ltd.
IPC Code(s): H01M50/446, H01M50/414, H01M50/434, H01M50/491
CPC Code(s): H01M50/446
Abstract: a separator for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and the separator for the rechargeable lithium battery includes a porous substrate and a coating layer on at least one surface of the porous substrate and including polyethylene particles and ceramics. the content of the polyethylene particles is 40 to 65 wt % by weight of the content of the porous substrate, the weight-average molecular weight of the polyethylene particles ranges from 1000 g/mol to 3000 g/mol, and the mixing ratio (ratio by weight) of the polyethylene particles to the ceramics ranges from 95:5 to 80:20.
Inventor(s): Yongkyoung Kim of Yongin-si KR for samsung sdi co., ltd., Gain Kim of Yongin-si KR for samsung sdi co., ltd., Jungyoon Lee of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/446, H01M4/02, H01M4/131, H01M4/133, H01M4/62, H01M10/04, H01M10/0525, H01M50/443, H01M50/451, H01M50/457, H01M50/489, H01M50/491
CPC Code(s): H01M50/446
Abstract: a separator includes a substrate and a coating layer disposed on the substrate. the coating layer includes first and second organic particles, and inorganic particles. an average particle diameter of the first organic particles is larger than an average particle diameter of the second organic particles and the inorganic particles. the first organic particles protrude from a surface of the coating layer to a height of about 0.1 m to about 0.5 m and are distributed on the surface of the coating layer at an area ratio of about 5% to about 15% of a surface area of the coating layer. a weight ratio of the organic particles to the inorganic particles is about 20:80 to about 40:60. as a result, improved adhesion to electrodes, heat resistance, insulating properties, and air permeability may be achieved, and lifetime characteristics of a lithium battery including the separator may be improved.
Inventor(s): Mijung JUNG of Yongin-si KR for samsung sdi co., ltd., Seonhyeok AN of Yongin-si KR for samsung sdi co., ltd., Seunghyun OH of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/457, H01M10/0525, H01M10/0562, H01M50/403, H01M50/411
CPC Code(s): H01M50/457
Abstract: a solid electrolyte membrane includes a first layer including solid electrolyte particles; a second layer on the first layer, the second layer including a composite; and a third layer on the second layer, the third layer including solid electrolyte particles, wherein the composite includes a diamagnetic core particle, and a shell surrounding the diamagnetic core particle, the shell including a solid electrolyte material.
20250105457. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Soo Min BAEK of Yongin-si KR for samsung sdi co., ltd., Yeon Ho JUNG of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/477, H01M50/147, H01M50/176, H01M50/474, H01M50/533
CPC Code(s): H01M50/477
Abstract: a secondary battery includes a case; an electrode assembly accommodated in the case; a first and second current collector plates electrically connected to the electrode assembly and accommodated in the case; a cap assembly coupled to one side of the case and having a first terminal portion and a second terminal portion respectively electrically connected to the first and second current collector plates; and first and second side retainers respectively coupled to the first and second current collector plates and having protrusions having ends facing an inner wall of the case. the side retainers are configured to eliminate gaps between the current collector plates and the case such that the electrode assembly can be stably supported. therefore, it is possible to prevent the electrode assembly from moving and effectively protect the electrode assembly from external shock or vibration.
20250105471. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Tae Jun KIM of Yongin-si KR for samsung sdi co., ltd., Jae Hyun YOO of Yongin-si KR for samsung sdi co., ltd., Choong Hoon LEE of Yongin-si KR for samsung sdi co., ltd., Gi Jang AHN of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/533, H01M50/15, H01M50/176, H01M50/528
CPC Code(s): H01M50/533
Abstract: a secondary battery includes: an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a case accommodating the electrode assembly and having an opening; a cap plate coupled to and sealing the opening in the case; a first terminal plate on the cap plate and electrically connected to the first electrode plate; and a first current collector plate between the first terminal plate and the electrode assembly to electrically connect the first terminal plate to the electrode assembly. the first current collector plate has a first protrusion that passes through the cap plate and is connected to the first terminal plate.
20250105478. SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Byoung Min CHUN of Yongin-si KR for samsung sdi co., ltd., Gun Gue PARK of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/586, H01M10/04, H01M50/147, H01M50/179, H01M50/183, H01M50/593
CPC Code(s): H01M50/586
Abstract: the present invention relates to a secondary battery and, in order to resolve a technical problem, provides a secondary battery, which blocks a leakage welding current when welding a current collecting plate to a can by coupling an insulating plate to the current collecting plate, and thus increases the welding strength between the current collecting plate and the can, improves welding strength distribution, and prevents damage between the current collecting plate and the can. to this end, disclosed is a secondary battery comprising: a cylindrical can having an opening; an electrode assembly which is accommodated in the opening of the cylindrical can and which is wound in a cylinder shape; a cap assembly which is electrically connected to the electrode assembly and which seals the cylindrical can; a current collecting plate for electrically connecting the electrode assembly with the cylindrical can; and an insulating plate inserted between the current collecting plate and the cylindrical can.
20250105479. RECHARGEABLE BATTERY INCLUDING AN INSULATOR_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Wonik LEE of Yongin-si KR for samsung sdi co., ltd., Dae Kyu KIM of Yongin-si KR for samsung sdi co., ltd.
IPC Code(s): H01M50/59, H01M50/586
CPC Code(s): H01M50/59
Abstract: an insulator for a rechargeable battery is disclosed. the insulator may include: a first insulator including a plurality of first through holes; and a second insulator including a plurality of second through holes. a connection portion between a first one of the plurality of second through holes and an adjacent second one of the plurality of second through holes overlaps the first through hole.
Samsung SDI Co., Ltd. patent applications on March 27th, 2025
- Samsung SDI Co., Ltd.
- G01B7/16
- G01L1/22
- H01M10/48
- CPC G01B7/18
- Samsung sdi co., ltd.
- G03F7/004
- H01L21/027
- CPC G03F7/0042
- H01M4/133
- H01M4/02
- H01M4/1393
- H01M4/38
- H01M4/583
- H01M10/0525
- CPC H01M4/133
- H01M4/36
- C01B33/021
- H01M10/052
- CPC H01M4/366
- H01M4/505
- C01G45/12
- C01G53/00
- H01M4/525
- CPC H01M4/505
- H01M4/58
- H01M4/62
- CPC H01M4/5825
- H01M10/04
- CPC H01M10/0409
- CPC H01M10/0468
- H01M10/0562
- CPC H01M10/0562
- H01M50/443
- H01M50/46
- H01M10/42
- H01M50/42
- H01M50/434
- H01M50/457
- CPC H01M10/4235
- H01M10/6554
- H01M50/224
- H01M50/242
- H01M50/249
- CPC H01M10/4264
- H01M10/44
- H01M10/0585
- CPC H01M10/446
- H01M50/103
- CPC H01M50/103
- H01M50/105
- H01M50/178
- H01M50/198
- CPC H01M50/105
- H01M50/14
- H01M10/0583
- H01M50/55
- H01M50/557
- CPC H01M50/14
- H01M50/15
- H01M50/169
- CPC H01M50/15
- H01M50/233
- H01M50/264
- H01M50/466
- H01M50/54
- CPC H01M50/233
- H01M50/342
- H01M50/133
- H01M50/148
- CPC H01M50/3425
- H01M50/446
- H01M50/417
- H01M50/423
- H01M50/426
- H01M50/491
- CPC H01M50/446
- H01M50/414
- H01M4/131
- H01M50/451
- H01M50/489
- H01M50/403
- H01M50/411
- CPC H01M50/457
- H01M50/477
- H01M50/147
- H01M50/176
- H01M50/474
- H01M50/533
- CPC H01M50/477
- H01M50/528
- CPC H01M50/533
- H01M50/586
- H01M50/179
- H01M50/183
- H01M50/593
- CPC H01M50/586
- H01M50/59
- CPC H01M50/59
