SAMSUNG SDI CO., LTD. patent applications on July 18th, 2024
Patent Applications by SAMSUNG SDI CO., LTD. on July 18th, 2024
SAMSUNG SDI CO., LTD.: 21 patent applications
SAMSUNG SDI CO., LTD. has applied for patents in the areas of H01M4/36 (4), G01R31/367 (2), H02J7/00 (2), H01M10/0562 (2), H01M50/528 (2) H01M10/0562 (2), G01R31/367 (2), H01M4/366 (2), H01M10/486 (1), H01R12/62 (1)
With keywords such as: battery, electrode, layer, connected, electrolyte, including, positive, cathode, solid, and material in patent application abstracts.
Patent Applications by SAMSUNG SDI CO., LTD.
20240238893. ULTRASONIC WELDING DEVICE_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Jungsoo KIM of Yongin-si (KR) for samsung sdi co., ltd., Gilchoun YEOM of Yongin-si (KR) for samsung sdi co., ltd., Myunghyun PARK of Yongin-si (KR) for samsung sdi co., ltd., Youngjin LEE of Yongin-si (KR) for samsung sdi co., ltd., Jinwon NAM of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): B23K20/26, B23K20/10, H01M50/516, H01M50/522, H01M50/528
CPC Code(s): B23K20/26
Abstract: an ultrasonic welding device is provided. the ultrasonic welding device includes an anvil configured to support a flexible first member below and overlapping a flexible second member, a horn configured to ultrasonically weld the first member and the second member with ultrasonic vibration and by changing elevation upwardly toward the second member, and a guide jig defining an opening corresponding to a welding portion of the first member and the second member and configured to guide elevation and ultrasonic vibration of the horn, the guide jig being configured to cover an external plane of the welding portion with a plane corresponding portion during ultrasonic welding of the first member and the second member.
20240239218. CONVERTER SYSTEM FOR VEHICLE_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Kwang Min YOO of Yongin-si (KR) for samsung sdi co., ltd., Duck Hyun KIM of Yongin-si (KR) for samsung sdi co., ltd., Gi Ho SEO of Yongin-si (KR) for samsung sdi co., ltd., Kyo Sung KOO of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): B60L53/20, B60L3/00, B60L58/12, B60R16/033, H02J7/34, H02M3/158
CPC Code(s): B60L53/20
Abstract: a converter system for a vehicle including: a bi-directional converter electrically connected between a main battery and an auxiliary battery and configured to perform power conversion; a gate driver electrically connected to the bi-directional converter and configured to apply a pwm signal for controlling a driving mode of the bi-directional converter; a converter controller electrically connected to the gate driver and configured to apply a control signal for controlling driving of the gate driver; a control switch interposed between the converter controller and the gate driver and configured to connect or disconnect a connection between the converter controller and the gate driver; and a battery management system electrically connected to the gate driver through the control switch and configured to apply a control signal to control driving of the gate driver based on an abnormality in the converter controller.
Inventor(s): Heejo MOON of Suwon-si (KR) for samsung sdi co., ltd., Chang-Hyun KWON of Suwon-si (KR) for samsung sdi co., ltd., Juho JUNG of Suwon-si (KR) for samsung sdi co., ltd., Baek Soung PARK of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): C09B57/00, C09B67/20, C09D4/06, C09D5/32, C09D7/41, C09D7/45, C09D7/63, C09D133/06, G02B1/04, G03F7/038
CPC Code(s): C09B57/007
Abstract: a photosensitive resin composition, a photosensitive resin layer, and a color filter manufactured using the same, the photosensitive resin composition includes a colorant; a photopolymerizable compound; a photopolymerization initiator; a binder resin; and a solvent; wherein the colorant includes a pigment, a dispersant, and a dispersion aid represented by chemical formula 1,
Inventor(s): Heejo MOON of Suwon-si (KR) for samsung sdi co., ltd., Chang-Hyun KWON of Suwon-si (KR) for samsung sdi co., ltd., Juho JUNG of Suwon-si (KR) for samsung sdi co., ltd., Baek Soung PARK of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): C09B57/00, C09B67/20, C09D4/06, C09D5/32, C09D7/41, C09D7/45, C09D7/63, C09D133/06, G02B1/04, G03F7/038
CPC Code(s): C09B57/007
Abstract:
Inventor(s): Changyoon Chun of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): G01R31/367, G01R29/24, G01R31/378
CPC Code(s): G01R31/367
Abstract: a method of estimating an internal state of a battery includes acquiring at least one parameter of the battery, and estimating the internal state of the battery by using an electrochemical model based on the at least one parameter, the electrochemical model being calculated based on a single particle model (spm) with respect to a cathode and an anode of the battery, wherein the electrochemical model includes a model configured to calculate inner lithium-ion concentrations in the cathode and the anode based on a difference between diffusion of lithium ions in the cathode and the anode of the battery and to estimate the internal state of the battery based on the difference between the inner lithium-ion concentrations in the cathode and the anode.
Inventor(s): Changyoon Chun of Yongin-si (KR) for samsung sdi co., ltd., Hwasu Kim of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): G01R31/367, G01R31/388, H01M10/42
CPC Code(s): G01R31/367
Abstract: a method of diagnosing battery abnormalities including acquiring at least one parameter of the battery, and determining, based on, salt precipitation of the battery by using an electrochemical model calculated based on a single particle model of a cathode and an anode of the battery, the electrochemical model comprising a model configured to calculate internal lithium ion concentrations of the cathode and the anode by considering a difference in diffusion of lithium ions between the cathode and the anode of the battery and to estimate an internal state of the battery by using a difference between the internal lithium ion concentrations of the cathode and the anode.
Inventor(s): Jung Hun YOU of Suwon-si (KR) for samsung sdi co., ltd., Sang Hum LEE of Suwon-si (KR) for samsung sdi co., ltd., Jun Mo KOO of Suwon-si (KR) for samsung sdi co., ltd., Seong Hoon LEE of Suwon-si (KR) for samsung sdi co., ltd., Seon Gyeong JEONG of Suwon-si (KR) for samsung sdi co., ltd., Dong Ho WEE of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): G02B5/30, G02B1/04
CPC Code(s): G02B5/3083
Abstract: a polarizing plate and an optical display apparatus including the same are provided. a polarizing plate includes: a polarizer; and a stack of retardation layers on at least one surface of the polarizer, and the stack of retardation layers includes a second retardation layer, a primer layer, and a first retardation layer stacked in sequence on the polarizer, and the primer layer has a glass transition temperature of 60� c. to 150� c. and is a (meth)acrylate-based primer layer.
Inventor(s): Seol Hee LIM of Suwon-si (KR) for samsung sdi co., ltd., Changsoo WOO of Suwon-si (KR) for samsung sdi co., ltd., Young Keun KIM of Suwon-si (KR) for samsung sdi co., ltd., Dong Wan RYU of Suwon-si (KR) for samsung sdi co., ltd., Soobin LIM of Suwon-si (KR) for samsung sdi co., ltd., Sukil KANG of Suwon-si (KR) for samsung sdi co., ltd., Eunmi KANG of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): G03F7/004, C07F7/22
CPC Code(s): G03F7/0042
Abstract: a semiconductor photoresist composition and a method of forming patterns using the semiconductor photoresist composition are disclosed. the semiconductor photoresist composition may include an organotin compound represented by chemical formula 1 and a solvent.
Inventor(s): Seol Hee LIM of Suwon-si (KR) for samsung sdi co., ltd., Changsoo WOO of Suwon-si (KR) for samsung sdi co., ltd., Young Keun KIM of Suwon-si (KR) for samsung sdi co., ltd., Dong Wan RYU of Suwon-si (KR) for samsung sdi co., ltd., Soobin LIM of Suwon-si (KR) for samsung sdi co., ltd., Sukil KANG of Suwon-si (KR) for samsung sdi co., ltd., Eunmi KANG of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): G03F7/004, C07F7/22
CPC Code(s): G03F7/0042
Abstract:
Inventor(s): Jinseok BAEK of Yokohama-shi (JP) for samsung sdi co., ltd., Kunihiro INUI of Yokohama-shi (JP) for samsung sdi co., ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/131, H01M4/1391
CPC Code(s): H01M4/364
Abstract: composite particles for a non-aqueous electrolyte rechargeable battery are provided. the composite particles may suppress or reduce the rise in an internal temperature of the battery including environments where the internal temperature is likely to rise.
Inventor(s): Seyoung OH of Yongin-si (KR) for samsung sdi co., ltd., Yurim CHA of Yongin-si (KR) for samsung sdi co., ltd., Yungu CHO of Yongin-si (KR) for samsung sdi co., ltd., Eunji KANG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M4/36, H01M4/04, H01M4/38, H01M4/583, H01M4/62, H01M10/0525
CPC Code(s): H01M4/366
Abstract: a negative electrode active material composite, a method of manufacturing the same, a negative electrode including the same, and a rechargeable lithium battery, the negative electrode active material composite includes secondary particles in which artificial graphite primary particles are assembled; and a conductive material in internal gaps of the secondary particles; wherein at least some of the artificial graphite primary particles include an amorphous carbon coating layer on a surface thereof.
Inventor(s): Eunji KANG of Yongin-si (KR) for samsung sdi co., ltd., Young-Min KIM of Yongin-si (KR) for samsung sdi co., ltd., Sunil PARK of Yongin-si (KR) for samsung sdi co., ltd., Jongmin WON of Yongin-si (KR) for samsung sdi co., ltd., Doori OH of Yongin-si (KR) for samsung sdi co., ltd., Dae-Hyeok LEE of Yongin-si (KR) for samsung sdi co., ltd., Changsu SHIN of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M4/36, C01B32/159, C01B33/02, H01M4/133, H01M4/134, H01M4/38, H01M4/587
CPC Code(s): H01M4/366
Abstract: a negative active material for a rechargeable lithium battery, the negative active material including a core having silicon and a first carbon nanotube, an amorphous carbon coating layer surrounding the core, and a second carbon nanotube adhered to the amorphous carbon coating layer.
Inventor(s): Jinseok BAEK of Yokohama-shi (JP) for samsung sdi co., ltd., Kunihiro INUI of Yokohama-shi (JP) for samsung sdi co., ltd.
IPC Code(s): H01M4/62, H01M4/13, H01M4/36, H01M4/02
CPC Code(s): H01M4/628
Abstract: a positive electrode for a non-aqueous electrolyte rechargeable battery is provided and includes a positive electrode current collector, a positive electrode mixture layer on the positive electrode current collector, and a flame retardant layer on a surface of the positive electrode mixture layer opposite to the current collector, wherein the flame retardant layer includes composite particles including a metal hydroxide and a flame retardant, an amount of desorbed p(ms1) of the composite particles from about 80� � c. to about 1400� c. as determined by thermal desorption gas mass spectrometry (tds-ms) is greater than or equal to about 200�10mol/g and less than or equal to about 2500�10mol/g, and an amount of desorbed ho (ms2) from about 80� c. to about 200� � c. by tds-ms is greater than or equal to about 50�10mol/g and less than or equal to about 1000�10mol/g.
Inventor(s): Wonsung Choi of Suwon-si (KR) for samsung sdi co., ltd., Junhwan Ku of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M10/0562, H01M10/054
CPC Code(s): H01M10/0562
Abstract: a positive electrode-solid electrolyte subassembly includes a positive electrode including a positive electrode active material, a conductive material, and a first solid electrolyte, a second solid electrolyte disposed on the positive electrode, and an interlayer disposed between the positive electrode and the second solid electrolyte, wherein the interlayer includes an interlayer material, the interlayer material having an electrical conductivity less than an electrical conductivity of the conductive material of the positive electrode, and wherein the first solid electrolyte contains lithium and a metal, and a sulfur-free lithium-ion conductor.
Inventor(s): Junhwan Ku of Suwon-si (KR) for samsung sdi co., ltd., Seoksoo Lee of Suwon-si (KR) for samsung sdi co., ltd., Youngsin Park of Suwon-si (KR) for samsung sdi co., ltd., Toshinori Sugimoto of Suwon-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M10/0562
CPC Code(s): H01M10/0562
Abstract: provided are an all-solid secondary battery and a method of manufacturing the same, the all-solid secondary battery including: an anode layer; a cathode layer; and a solid electrolyte layer between the anode layer and the cathode layer, wherein the cathode layer contains a large-particle cathode active material, a small-diameter cathode active material, and a solid electrolyte, the solid electrolyte layer includes a first solid electrolyte layer adjacent to the cathode layer and containing a first solid electrolyte, and a second solid electrolyte layer adjacent to the anode layer and containing a second electrolyte, the second solid electrolyte has a larger size than the solid electrolyte of the cathode layer or the first solid electrolyte, and the second solid electrolyte has higher ion conductivity than the first solid electrolyte.
Inventor(s): Harim LEE of Yongin-si (KR) for samsung sdi co., ltd., Yunhee KIM of Yongin-si (KR) for samsung sdi co., ltd., Arum YU of Yongin-si (KR) for samsung sdi co., ltd., Tae Hyon BAE of Yongin-si (KR) for samsung sdi co., ltd., Sanghyung KIM of Yongin-si (KR) for samsung sdi co., ltd., Seunghyeon SON of Yongin-si (KR) for samsung sdi co., ltd., Sundae KIM of Yongin-si (KR) for samsung sdi co., ltd., Yeji YANG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M10/0567, H01M4/525, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a first compound represented by chemical formula 1, cspf, or a combination thereof and a second compound that is represented by chemical formula 2-1, chemical formula 2-2, or a combination thereof. the chemical formulas and their definitions are as described in the specification.
20240243377. RECHARGEABLE BATTERY MODULE_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Hyun KIM of Yongin-si (KR) for samsung sdi co., ltd., Bohoon KIM of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M10/48, H01M50/375, H01M50/505
CPC Code(s): H01M10/486
Abstract: a rechargeable battery module incudes a plurality of battery cells stacked in a first direction; a bus bar holder including a bottom part covering the battery cells and exposing electrode terminals of the battery cells; a bus bar connecting the electrode terminals; and a temperature sensor arranged on an electrode terminal of the electrode terminals to detect a temperature of a battery cell of the battery cells, the temperature sensor including a first sensing part to transmit a detection signal through a body part connected to the first sensing part, the bus bar holder further including a vent pipe part connected to the bottom part to define a vent passage toward a vent of the battery cells along the first direction, and the temperature sensor further including a second sensing part connected to the body part, extending through the vent pipe part, and exposed to the vent passage.
Inventor(s): Sang Hun JANG of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/271, B60L50/60, B60L53/14, B64U50/30, H01M10/46, H01M50/209, H01M50/213, H01M50/249, H01M50/284, H01M50/298, H02J7/00
CPC Code(s): H01M50/271
Abstract: a battery pack includes: a battery cell including a negative electrode and a positive electrode; a case accommodating the battery cell; and a pair of cap assemblies at both ends of the case. each of the cap assemblies includes a first cap plate and a second cap plate. the first cap plate is electrically connected to the battery cell and has one of a negative polarity or a positive polarity, and the second cap plate is electrically connected to the battery cell and has the other one of a negative polarity and a positive polarity.
20240243423. CYLINDRICAL SECONDARY BATTERY_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Dae Kyu KIM of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/342, H01M50/107, H01M50/152
CPC Code(s): H01M50/3425
Abstract: a cylindrical secondary battery includes an electrode assembly, a can having a cylindrical shape accommodating the electrode assembly, and a cap assembly coupled to the can, electrically connected to the electrode assembly, and insulated from the can. the cap assembly includes a cap-up exposed to the outside, a cap-down supporting the cap-up, and an insulator made of an insulating material between the cap-up and the cap-down. the cap-up includes piercing holes and bridges between the piercing holes. the bridges have different angles or widths between both ends. a compressive strength of the cap-up can be adjusted by controlling an angle, width, and number of main bridges and sub-bridges of the cap-up. the piercing holes and the sub-bridges enable gas to be discharged from the secondary battery.
Inventor(s): Hana KIM of Yongin-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Byungmin LEE of Yongin-si, Gyeonggi-do (KR) for samsung sdi co., ltd., Minho CHO of Yongin-si, Gyeonggi-do (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/446, H01M50/403, H01M50/42, H01M50/443
CPC Code(s): H01M50/446
Abstract: provided are a composition for coating a separator, a method of preparing a separator by using the same, a separator, and a lithium battery employing the separator. the composition for coating a separator includes: a polyacrylamide-based copolymer including a cross-linking reactive group; inorganic particles; and water, and the cross-linking reactive group includes at least two functional groups cross-linkable with each other. the composition for coating a separator may be used as a one-component type without a crosslinker, and a separator having high thermal resistance characteristics may be prepared by using the composition.
20240243441. RECHARGEABLE BATTERY MODULE_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Young-Hwan KWON of Yongin-si (KR) for samsung sdi co., ltd., Hyeok LEE of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01M50/519, H01M50/209, H01M50/505, H01M50/528, H01M50/569, H05K1/02
CPC Code(s): H01M50/519
Abstract: a rechargeable battery module includes a plurality of battery cells stacked in a first direction; a bus bar holder covering the battery cells and exposing electrode terminals of the battery cells in a third direction crossing a second direction, wherein the electrode terminals are exposed at both sides of the bus bar holder along the second direction crossing the first direction; a bus bar connecting the electrode terminals to a bus bar support portion of the bus bar holder; a flexible printed circuit (fpc) on the bus bar and including a copper foil having one surface exposed in the third direction; an aluminum tab on another surface of the copper foil; and a welding portion including a laser welded portion of each of the bus bar, the copper foil, and the aluminum tab.
20240243499. RECHARGEABLE BATTERY PACK_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Jaepil AHN of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H01R12/62, H01M10/48, H05K1/11
CPC Code(s): H01R12/62
Abstract: a rechargeable battery pack includes a cell assembly including at least one battery cell, a frame portion accommodating the cell assembly, a flexible printed circuit (fpc) electrically connected to the cell assembly and configured to sense at least one property of the battery cell, and a dual-in-line plug (dip) connector electrically connected to the flexible printed circuit on a first side of the frame portion. the flexible printed circuit and the dip connector are electrically connected to each other by an electrically conductive adhesive.
20240243589. BATTERY PACK_simplified_abstract_(samsung sdi co., ltd.)
Inventor(s): Jeong Guk BAE of Yongin-si (KR) for samsung sdi co., ltd.
IPC Code(s): H02J7/00, B60L58/22
CPC Code(s): H02J7/0019
Abstract: a battery pack includes a first battery module; a second battery module that is serially connected to the first battery module; and a master board that is electrically connected to the first and second battery modules, respectively. the master board includes a first power line that is connected to a positive terminal of the first battery module; a second power line that is connected to the positive terminal of the second battery module; a multiplexer (mux) circuit that is connected to the first and second power lines and is connected to one of the first and second battery modules, having a relatively higher voltage; a dc-dc converter that is connected to the mux circuit and performs dc-dc conversion; and a control unit that receives driving power from the dc-dc converter.
SAMSUNG SDI CO., LTD. patent applications on July 18th, 2024
- SAMSUNG SDI CO., LTD.
- B23K20/26
- B23K20/10
- H01M50/516
- H01M50/522
- H01M50/528
- CPC B23K20/26
- Samsung sdi co., ltd.
- B60L53/20
- B60L3/00
- B60L58/12
- B60R16/033
- H02J7/34
- H02M3/158
- CPC B60L53/20
- C09B57/00
- C09B67/20
- C09D4/06
- C09D5/32
- C09D7/41
- C09D7/45
- C09D7/63
- C09D133/06
- G02B1/04
- G03F7/038
- CPC C09B57/007
- G01R31/367
- G01R29/24
- G01R31/378
- CPC G01R31/367
- G01R31/388
- H01M10/42
- G02B5/30
- CPC G02B5/3083
- G03F7/004
- C07F7/22
- CPC G03F7/0042
- H01M4/36
- H01M4/02
- H01M4/131
- H01M4/1391
- CPC H01M4/364
- H01M4/04
- H01M4/38
- H01M4/583
- H01M4/62
- H01M10/0525
- CPC H01M4/366
- C01B32/159
- C01B33/02
- H01M4/133
- H01M4/134
- H01M4/587
- H01M4/13
- CPC H01M4/628
- H01M10/0562
- H01M10/054
- CPC H01M10/0562
- H01M10/0567
- H01M4/525
- H01M10/0569
- CPC H01M10/0567
- H01M10/48
- H01M50/375
- H01M50/505
- CPC H01M10/486
- H01M50/271
- B60L50/60
- B60L53/14
- B64U50/30
- H01M10/46
- H01M50/209
- H01M50/213
- H01M50/249
- H01M50/284
- H01M50/298
- H02J7/00
- CPC H01M50/271
- H01M50/342
- H01M50/107
- H01M50/152
- CPC H01M50/3425
- H01M50/446
- H01M50/403
- H01M50/42
- H01M50/443
- CPC H01M50/446
- H01M50/519
- H01M50/569
- H05K1/02
- CPC H01M50/519
- H01R12/62
- H05K1/11
- CPC H01R12/62
- B60L58/22
- CPC H02J7/0019
