Patents Assigned to Samsung SDI, Co., Ltd.
  • Patent number: 11409197
    Abstract: A hardmask composition, a hardmask layer, and a method of forming patterns, the composition including a solvent; and a compound represented by Chemical Formula 1, wherein, in Chemical Formula 1, A is a C6 to C30 aromatic moiety, n is an integer of 2 or more, and each B is independently a group represented by Chemical Formula 2,
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: August 9, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jaebum Lim, Sunghwan Kim, Seunghyun Kim, Taeho Kim, Yushin Park, Sunyoung Yang
  • Patent number: 11411273
    Abstract: A secondary battery including an electrode assembly; a can accommodating the electrode assembly; a cap assembly sealing the can; a first insulation member on a side of the electrode assembly, the first insulation member having an opening exposing at least a portion of a bottom surface of the electrode assembly; and a second insulation member on a bottom of the can and facing the bottom surface of the electrode assembly, the second insulation member having an area corresponding to an area of the opening in the first insulation member.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: August 9, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chi Hoon Heo, Hyun Sang Joo, Jong Dae Kim, Sung Ho Lee
  • Patent number: 11407311
    Abstract: A dual power supply system with first to third system terminals is disclosed. The dual power supply system includes a first battery cell stack interconnected between first and second stack nodes and providing a first operation voltage and a second battery cell stack interconnected between the second stack node and a third stack node and providing a second operation voltage. The dual power supply system further includes a DC/DC converter with first to third converter nodes and configured to convert a voltage of the first or second battery cell stack. Each of the system terminals is connected to the respective stack node or converter node in parallel. The DC/DC converter can provide redundant power supply and active balancing. The application further relates to a vehicle including the above dual power supply system.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: August 9, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Michael Erhart, Thomas Korherr
  • Patent number: 11411213
    Abstract: A negative active material for a rechargeable lithium battery includes a composite carbon particle including a core particle including crystalline-based carbon and a coating layer positioned on the surface of the core particle and including amorphous carbon. A peak intensity (I1620) at 1620 cm?1 ranges from about 0.01 to about 0.1, a peak intensity (I1360) at 1360 cm?1 ranges from about 0.05 to about 0.5, and a peak intensity (I1580 at 1580 cm?1 ranges from about 0.1 to about 0.8 in a Raman spectrum of the composite carbon particle.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: August 9, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Yeon Won, Kyeu-Yoon Sheem, Dae-Seop Lim, Sung-Hwa Eo, Jung-Wook Cha
  • Patent number: 11409198
    Abstract: A hardmask composition, a hardmask layer, and a method of forming patterns, the composition including a solvent; and a polymer including a structural unit represented by Chemical Formula 1, wherein, in Chemical Formula 1, A is a substituted or unsubstituted dihydroxypyrene moiety, and E is a substituted or unsubstituted pyrenyl group.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: August 9, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seunghyun Kim, Yushin Park, Hyungseok Park, Sunghwan Kim, Hyeonil Jung
  • Patent number: 11411391
    Abstract: An energy storage system (ESS) protection system includes: a battery monitoring system (BMS) configured to transmit a protection signal when an internal state or an external state of a battery cell is abnormal; a power conversion system (PCS) connected to the BMS through a hard wire, and configured to receive the protection signal through the hard wire; and an energy management system (EMS) connected between the BMS and the PCS through a universal communication line, and configured to receive the protection signal from the BMS and transmit the protection signal to the PCS. The PCS may be configured to perform an ESS shutdown when the PCS receives the protection signal through the hard wire or the universal communication line.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: August 9, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae Hyung Jung, Suk Ki Kim, Dong Ki Hong
  • Patent number: 11411246
    Abstract: An all-solid secondary battery and a method of manufacturing the all-solid secondary battery. The all-solid secondary battery includes: an anode including an anode current collector and a first anode active material layer; a cathode including a cathode active material layer; and a solid electrolyte layer between the anode and the cathode, wherein the first anode active material layer includes an anode active material and an ionic compound, the ionic compound includes a binary compound, a ternary compound, or a combination thereof, and the ionic compound does not include a plurality of sulfur (S) atoms.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: August 9, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hyorang Kang, Minsuk Lee, Dooyeon Lee
  • Patent number: 11411251
    Abstract: An electrolyte including: a lithium salt; a non-aqueous solvent; a compound represented by Formula 1; and a compound represented by Formula 2 wherein R1, R2, R3, R11, and R12 in Formulae 1 and 2 are as described in the detailed description.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: August 9, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Insun Park, Myongchun Koh, Jinah Seo, Dongyoung Kim, Yeonji Chung
  • Patent number: 11411255
    Abstract: A battery pack may include: a battery configured to include a plurality of cells; a cell balancing circuit configured to include a discharge circuit for each of the cells; a controller configured to output a first complete discharge command signal based on a control signal inputted from the outside; a mechanical switch configured to output a second complete discharge signal by mechanical manipulation; and a cell balancing controller configured to control the cell balancing circuit such that complete discharge of each cell is performed through the discharge circuits when the first complete discharge signal and the second complete discharge signal are received.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: August 9, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hwa-Su Kim, Thomas Trathnigg
  • Patent number: 11411256
    Abstract: A battery pack includes: a battery cell including an electrode assembly connected to an electrode tab, and first and second casings facing each other and coupled to each other to form an accommodation portion accommodating the electrode assembly and to form a terrace portion extending across the electrode tab to seal the accommodation portion, the terrace portion including a first surface on the first casing and a second surface on the second casing; a protective circuit module electrically connected to the battery cell and on the first surface of the terrace portion; and a current breaking device electrically connected to the protective circuit module to form a charge-discharge path of the battery cell and on the second surface of the terrace portion. The current breaking device limits charge-discharge current in response to the battery cell's abnormal state such as overheating, and does not spatially interfere with the protective circuit module.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 9, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Eunjoong Lee, Miae Um, Daehyeong Yoo
  • Patent number: 11401468
    Abstract: A photosensitive resin composition includes (A) a photo-conversion material; (B) a metal-containing compound; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the metal-containing compound includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, 5 V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure, a complex including a polymer matrix in which a photo-conversion material is dispersed, wherein the polymer matrix includes a *—S-M-S—* (M is Zn, Al, Mg, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ga, Sr, Y, Zr, Nb, Mo, Cd, In, Ba, Au, Hg, or Tl) structure and an ester linking group, a laminated structure including the complex, and a display device and an electronic device including the laminated structure.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: August 2, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Jinsuop Youn, Ha Il Kwon, Misun Kim, Jooyeon Ahn, Hyeyeon Yang, Bumjin Lee, Jongmin Lee, Shin Ae Jun, Hyunjoo Han
  • Patent number: 11404732
    Abstract: A battery pack is capable of maximizing or increasing a cooling effect of a module by concurrently performing conduction-type heat dissipation by a heat dissipation member extended from the inside to the outside of the module, and convection-type heat dissipation by a duct and a cooling fan. A battery pack includes: at least one module including a plurality of unit cells, a plurality of spacers between the unit cells, and a module case accommodating the unit cells and the spacers; a plurality of heat dissipation members inserted into the module and extended from the inside to the outside of the module; a duct including an opening and provided at one side of the module; and a cooling fan connected to the opening of the duct.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: August 2, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae Young Kim
  • Patent number: 11404743
    Abstract: A rechargeable battery is introduced, and an exemplary embodiment of the present invention provides a rechargeable battery including: an electrode assembly configured to charge and discharge a current; a case accommodating the electrode assembly therein; a cap plate configured to seal an opening of the case; an electrode terminal electrically connected to the electrode assembly and externally drawn out through the cap plate; a first valve assembly installed in an electrolyte injection opening of the cap plate to open and close the electrolyte injection opening; a gas removal opening formed in the cap plate to remove a gas; and a second valve assembly installed in the gas removal opening to open and close the gas removal opening.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 2, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yong-Kyun Park, Hyunhee Kim, Juhee Sohn, Donghyun Shin, Seunghun Lee, Jungmin Lee
  • Patent number: 11394087
    Abstract: A battery module includes: a plurality of aligned battery cells, each of the battery cells including a cell case, a cap assembly on the cell case, a negative cell terminal, and a positive cell terminal; a plurality of busbars over the cap assemblies, each of the busbars electrically connecting the cell terminals of at least two of the battery cells to each other; and a cell supervision circuit carrier configured to accommodate a cell supervision circuit, the cell supervision circuit carrier comprising a connector configured to establish data communication with the cell supervision circuit. The cell supervision circuit carrier electrically connects the cell supervision circuit to the negative cell terminal of one of the battery cells and to the cell cases of at least some of the other battery cells from among the plurality of battery cells.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Michael Erhart
  • Patent number: 11394021
    Abstract: A negative active material and a rechargeable lithium battery, the negative active material including a silicon-carbon composite, the silicon-carbon composite including crystalline carbon; amorphous carbon; and silicon nanoparticles having a needle shape, a flake shape, a sheet shape, or a combination thereof, wherein the silicon nanoparticles have a D50 particle diameter of 5 nm to 150 nm and an aspect ratio of 4 to 10.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Changsu Shin, Yongseok Kim, Jaehou Nah
  • Patent number: 11394228
    Abstract: Battery packs and methods for controlling charging of battery packs are disclosed. In one aspect, a battery pack includes a battery including at least one battery cell, a first pack terminal and a second pack terminal configured to be connected to a charger, and a discharging switch including a first switch and a diode. The first switch is connected between the second pack terminal and the battery. The diode is connected in parallel to the first switch and has a forward direction in which charging current of the battery flows. The battery pack further includes a battery management unit configured to select a charging mode from one of a first charging mode in which the battery is charged with charging current flowing through the first switch and a second charging mode in which the battery is charged with charging current flowing through the diode.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: July 19, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jihwan Seol, Jooyul Lee
  • Patent number: 11387528
    Abstract: A secondary battery includes an electrode assembly having a current collector tab, a case accommodating the electrode assembly, a cap plate coupled to the case, and a lead tab positioned between the electrode assembly and the cap plate and electrically connecting the current collector tab and the cap plate. The lead tab includes fuse opening, a fixing hole spaced apart from the fuse opening and a protection member surrounding the fuse opening and the fixing hole.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: July 12, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Hyun Soo Lee
  • Patent number: 11385545
    Abstract: A resist underlayer composition and a method of forming patterns, the composition including a polymer including at least one of a first moiety represented by Chemical Formula 1-1 and a second moiety represented by Chemical Formula 1-2; a thermal acid generator including a salt composed of an anion of an acid and a cation of a base, the base having pKa of greater than or equal to about 7; and a solvent,
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jaeyeol Baek, Shinhyo Bae, Yoojeong Choi, Soonhyung Kwon, Hyeon Park
  • Patent number: 11387509
    Abstract: A secondary battery is disclosed. In one aspect, the secondary battery includes an electrode assembly, a case accommodating the electrode assembly and a lead member extending from the electrode assembly to outside of the case. The secondary battery also includes an insulation member at least partially covering the lead member, the insulation member having an exterior portion that is located outside the case and an interior portion that is located inside the case, wherein the interior portion has a first thickness, and wherein at least part of the exterior portion has a second thickness less than the first thickness. The secondary battery may have a compact structure, and insulation characteristics of the secondary battery may be improved.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: July 12, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Euysun Jung, Soomi Eo, Kyunghoon Cho, Kyung Kim, Kwonchul Kim, Jaemin Im
  • Patent number: 11387494
    Abstract: An electrode assembly and a secondary battery are provided. In an exemplary embodiment, an electrode assembly includes: a first electrode plate having a first electrode tab attached thereto; a second electrode plate having at least one second electrode tab attached thereto; and a separator between the first electrode plate and the second electrode plate, the electrode assembly wound in a state in which the first electrode plate, the separator, and the second electrode plate are stacked, and the first electrode plate includes coating portions formed by coating an active material on first and second surfaces thereof, and a half-coating portion formed by coating the active material on only one of the first and second surfaces at a region corresponding to a leading edge, on the basis of a winding direction, where an active material of the second electrode plate begins.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: July 12, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung Hyun Park, June Hyoung Park, Hyun Ki Jeong, Nobuyuki Oyagi