Patents Assigned to SK INNOVATIONS CO., LTD.
  • Patent number: 11482747
    Abstract: An embodiment of the present invention relates to a pouch-type secondary battery. According to embodiment of the present invention, the pouch-type secondary battery includes: an case configured to house an electrode assembly from which electrode tab are drawn out; sealing parts formed by adhering the case along outer peripheries of the electrode assembly; and folding parts formed by folding the sealing parts of surfaces on which the electrode tab drawn to an outside of the case is not formed, wherein a length of the folding part has a relationship with a thickness of the electrode assembly as the following equation: H?T/2 (wherein, H is the height of the folded folding part, T is the thickness of the electrode assembly, based on a cross-section perpendicular to a direction in which the electrode tabs of the electrode assembly are drawn out).
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: October 25, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Tae Il Kim, Jin Go Kim, Seung Noh Lee
  • Patent number: 11476455
    Abstract: A multilayer anode includes an anode collector, and a plurality of anode mixture layers sequentially stacked on at least one surface of the anode collector, and including natural graphite as an anode active material. A weight ratio of the natural graphite in innermost and outermost anode mixture layers is greater than a weight ratio of the natural graphite in an anode mixture layer located between the innermost and outermost anode mixture layers, in a stacking direction of the plurality of anode mixture layers. Performance of a cell may be improved and calendering-calender contamination occurring in a calendering process and an electrode stripping phenomenon may be prevented.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: October 18, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Byoung Wook Jo, Jae Kyu Jin
  • Patent number: 11476516
    Abstract: A secondary battery may include a cell body member accommodating an electrode assembly therein, including three sealing sides and provided adjacently to a cooling plate member; and wherein the cell body member, in contact with a heat conductive member on a lower surface thereof comprises a surface area-increasing groove formed to be concave in the lower surface thereof and the lower surface is a region in which a sealing portion is not formed, wherein the heat conductive member provided in at least a portion between the cell body member and the cooling plate member to form a heat path for transferring heat from the cell body member to the cooling plate member, wherein the surface area-increasing groove includes a curved-region in a cross section in a thickness direction of the cell body member, wherein the curved-region is in contact with the heat conductive member.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: October 18, 2022
    Assignee: SK Innovation Co., Ltd.
    Inventors: Yang Kyu Choi, Seok Min Kim, Myeong Hwan Ma, Seo Roh Rhee, Hae Ryong Jeon, Seung Hoon Ju, Dong Ha Hwang
  • Patent number: 11462802
    Abstract: The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: October 4, 2022
    Assignees: SK Innovation Co., Ltd., SK Lubricants Co., Ltd.
    Inventors: Hyeung-Jin Lee, Hwan-Kyu Jung, Hyo-Shin Kwak, Sang-Hye Shin
  • Patent number: 11462045
    Abstract: The present invention is to provide a touch display device with a fingerprint sensor capable of making brightness uniform by removing a difference in brightness in a portion to which a touch sensor and the fingerprint sensor are applied in the touch display device in which the touch sensor and the fingerprint sensor are applied together, in which an output of the touch display device of uniform brightness may be obtained by individually controlling brightness of a portion where the fingerprint sensor and the touch sensor are positioned or changing a structure so that light transmittances of the fingerprint sensor and the touch sensor are the same as or similar to each other.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: October 4, 2022
    Assignees: SK Innovation Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jun Hyung Kim, Sang Yoon Ji, Jang-Ung Park
  • Patent number: 11462797
    Abstract: A battery module may include a plurality of sub-modules arranged in a single direction, a cooling unit contacting one sides of the plurality of sub-modules to cool the plurality of sub-modules, and a heating unit contacting other sides opposing the one sides of the plurality of sub-modules to heat the plurality of sub-modules.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: October 4, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Tae Gu Lee, Ji Hoon Lim, Kyoung Min Cho
  • Patent number: 11460511
    Abstract: A battery management system is provided. According to an embodiment of the present disclosure, the battery management system for managing a battery pack including a plurality of battery modules may include a plurality of individual battery management units respectively corresponding to the plurality of battery modules and a management module configured to integrally manage the plurality of individual battery management units, wherein each of the individual battery management units includes a state-of-health (SOH) calculator to calculate SOH of each of the plurality of battery modules and a state-of-charge (SOC) calculator to calculate SOC of each of the plurality of battery modules, the management module manages a performance state of all of the plurality of battery modules on the basis of the SOH and SOC of each battery module and the SOC of each battery module is corrected by the SOH of each battery module.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: October 4, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Eun Young Kim, Byung Eun Lee, Ha Chul Jeong, Young Lim Choi
  • Patent number: 11456504
    Abstract: A battery module which includes: a battery stack formed by stacking a plurality of battery cells respectively including electrode tabs on each other; a pair of side covers disposed on both sides of the battery stack; a lower cover on which the battery stack is placed so that one side of the plurality of battery cells is in contact therewith; and an upper cover disposed on a side opposite to the lower cover with respect to the battery stack; wherein the pair of side covers and the upper cover are integrally formed, and the lower cover is fastened to at least one of the pair of side covers.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: September 27, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Seung Hun Lee, Yun Joo Noh, Tae Gu Lee
  • Patent number: 11450919
    Abstract: A pouch-type secondary battery includes an electrode assembly; and a pouch member comprising an internal space configured to accommodate the electrode assembly therein and a degassing sealing portion formed to project inwardly by sealing one end portion releasing internal gas.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: September 20, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Hyung Joon Kim, Joo Hyung Kim, Gil Yong Choi
  • Patent number: 11444341
    Abstract: An apparatus for degassing a battery cell includes: a gas suction portion providing negative pressure; a first tubular member connected to the gas suction portion, and having at least one suction port formed in a radial direction; a second tubular member connected to the gas suction portion, and provided to be coupled to the first tubular member; and a hemispherical cover coupled to the first tubular member and the second tubular member, respectively, wherein the hemispherical cover includes a first cover coupled to the first tubular member and a second cover coupled to the second tubular member, when the first tubular member and the second tubular member and are coupled, the first cover and the second cover may be disposed such that openings face each other, and the suction port may be disposed between the first cover and the second cover.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: September 13, 2022
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sun Min Park, Dong Ju Kim, Ji Won Na
  • Patent number: 11435667
    Abstract: Provided are a polymer for an organic bottom anti-reflective coating and a bottom anti-reflective coating composition containing the same. More specifically, provided are a polymer for an organic bottom anti-reflective coating capable of relieving reflection of exposure light and irradiation light on a substrate of a photoresist layer applied on the substrate in a lithographic process of manufacturing a semiconductor device, and a bottom anti-reflective coating composition containing the same.
    Type: Grant
    Filed: July 4, 2018
    Date of Patent: September 6, 2022
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Minho Jung, Cheolwoo Kim, Jinsu Ham, Sunjoo Kim, Myung Jun Park, Namkyu Lee, Hyesoo Lee
  • Patent number: 11437647
    Abstract: Provided are an electrolyte for a secondary battery including a lithium salt, a nonaqueous organic solvent, and a bisfluorophosphite multicyclic compound, and a lithium secondary battery including the electrolyte.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: September 6, 2022
    Assignee: SK Innovation Co., Ltd.
    Inventors: In Haeng Cho, Hyo Shin Kwak, Dai In Park, Jin Haek Yang, Joo Hyun Lee, Myoung Lae Kim, Sung Yon Oh, Su Hee Han
  • Patent number: 11434140
    Abstract: The present invention relates to a method for preparing hierarchical zeolites, including the steps of preparing a first mixture solution including a structure-directing agent, an alumina precursor and a pH controller; preparing a second mixture solution by injecting a silica precursor into the first mixture solution; preparing an aqueous solution including a surfactant; preparing a third mixture solution by injecting the aqueous solution into the second mixture solution; and drying and heat-treating the third mixture solution. According to the present invention, hierarchical zeolites having a uniform morphology can be prepared, and thus hierarchical zeolites having improved activity are provided.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: September 6, 2022
    Assignees: SK Innovation Co., Ltd., SK Lubricants Co., Ltd.
    Inventors: Seon-Ju Lim, Tae-Jin Kim, Young-Eun Cheon
  • Patent number: 11431041
    Abstract: The present invention provides a battery module comprising: a plurality of battery cells of which the horizontal length of a front surface is formed to be longer than the vertical length and which are vertically stacked; a cooling fin which has a first cooling part contacting an upper and lower surface of adjacent battery cells, and a second cooling part extending from both side surfaces of the first cooling part and contacting both side surfaces of the battery cells which are in contact with the first cooling part; and a side cooling fin which has an ground part contacting a side surface of the second cooling part of the cooling fin, and contacting a heat sink located in a lower part.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: August 30, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Young-Sun Choi, Tae-Gu Lee, Seung-Hoon Ju
  • Patent number: 11430975
    Abstract: A lithium secondary battery comprises a cathode, an anode, a separator and a nonaqueous electrolyte solution. The cathode includes a first cathode active material in which at least one of metals included in the first cathode material has a concentration gradient region between a central portion and a surface portion, and a second cathode active material having a single particle structure. The lithium secondary battery has improved life-span and penetration stability.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: August 30, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Soo Ho Kim, Min Gu Kang, Young Hoon Do, Yong Hyun Cho
  • Patent number: 11428746
    Abstract: A battery management system is provided. According to an embodiment of the present disclosure, the battery management system for managing a battery pack including a plurality of battery modules may include a plurality of individual battery management units respectively corresponding to the plurality of battery modules and a management module configured to integrally manage the plurality of individual battery management units, wherein each of the individual battery management units includes a state-of-health (SOH) calculator to calculate SOH of each of the plurality of battery modules and a state-of-charge (SOC) calculator to calculate SOC of each of the plurality of battery modules, the management module manages a performance state of all of the plurality of battery modules on the basis of the SOH and SOC of each battery module and the SOC of each battery module is corrected by the SOH of each battery module.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: August 30, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Eun Young Kim, Byung Eun Lee, Ha Chul Jeong, Young Lim Choi
  • Patent number: 11420160
    Abstract: The invention relates to a method of reducing carbon dioxide and metal-containing dust and, more particularly, to a method of simultaneously reducing carbon dioxide and metal-containing dust by passing an off-gas, which contains carbon dioxide or carbon dioxide and metal-containing dust, through a reactor in which a sulfur-oxidizing microorganism is grown using carbon dioxide as a carbon source to produce sulfuric acid, and producing metal sulfates (MeSO4) by reaction of the produced sulfur acid with metal components present in the off-gas.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: August 23, 2022
    Assignee: SK Innovation Co., Ltd.
    Inventors: Yeon Hwa La, Kwang Kuk Cho
  • Patent number: 11420191
    Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded on a silica-based, shaped support, a preparation method therefor, and a method for preparing an olefin by dehydrogenating a corresponding paraffin, particularly light paraffin in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: August 23, 2022
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Ho Won Lee, Ju Hwan Im, Hee Soo Kim, Hye Jin Park, Je Mi Lim, Dae Hyun Choo
  • Patent number: 11424497
    Abstract: The present invention provides a battery module, which includes a plurality of battery cells with stacked each other which include a cell body configured to house an electrode assembly and electrode tabs drawn out from the cell body, respectively; and a housing unit configured to enclose at least a portion of an outer surface of the plurality of stacked battery cells to house the plurality of stacked battery cells, wherein the housing unit includes a heat sink unit having a refrigerant flow passage formed therein.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: August 23, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Jae Il Hwang, Tae Gu Lee
  • Patent number: 11400435
    Abstract: A hydrofinishing catalyst according to the present invention includes an amorphous silica-alumina support; and a hydrogenated active metal supported on the support, and has an Al composition having a total mass (wt %) of Al and Si as a denominator and a mass (wt %) of Al as a numerator with respect to a reference line, which is a straight line passing through the center of a cross-section of the support, locations evenly spaced apart along the reference line are sequentially numbered, where composition uniformity, which is defined as UN by the Al composition at the i-th location and an average Al composition at the cross-section of the support passing through the center of the support, is 3.0 or less.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: August 2, 2022
    Assignees: SK Innovation Co., Ltd., SK Lubricants Co., Ltd.
    Inventors: Dokyoung Kim, Seonju Lim, Dowoan Kim, Seungwoo Lee, Yoonkyung Lee