Patents by Inventor Hong-seok Min

Hong-seok Min has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190341616
    Abstract: Provided is an electrode active material slurry including a clustered complex and a slurry, wherein the clustered complex includes an electrode active material, a solid electrolyte, a conductive material, and a first binder, and the slurry includes a solvent and a second binder. The electrode active material slurry may include the clustered complex including the first binder and the slurry including the second binder so as to decrease a surface area of the overall complex, such that adhesion property with the current collector may be sufficiently secured even by using a small amount of binder, and performance of the all-solid secondary battery may be further improved.
    Type: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Inventors: Yong Sub Yoon, Hong Seok Min, Kyung Su Kim, Oh Min Kwon, Dong Wook Shin, Sung Woo Noh, Lak Young Choi
  • Publication number: 20190326627
    Abstract: Disclosed is a method of manufacturing a solid electrolyte for an all-solid battery. The method may include preparing a solvent admixture comprising a first polar organic solvent containing a cyano group and a second polar organic solvent containing a hydroxyl group, preparing an electrolyte admixture by dissolving Li2S, P2S5 and LiCl in the solvent admixture, and preparing a solid electrolyte by stirring the electrolyte admixture. The method may further include precipitating the solid electrolyte by evaporating the solvent admixture, and heat treating the precipitated solid electrolyte. In particular, the solvent admixture may include the second polar organic solvent in an amount of about 0.01 to 0.03 wt % based on the total weight of the first polar organic solvent.
    Type: Application
    Filed: December 5, 2018
    Publication date: October 24, 2019
    Inventors: Ju Yeong Seong, Hong Seok Min, Yong Jun Jang, Yong Sub Yoon, Pil Gun Oh, Dong Wook Shin, Sun Ho Choi, Jong Yeob Park
  • Patent number: 10411294
    Abstract: Disclosed is a method of manufacturing an all-solid state battery. The method includes coating a first slurry or composition having on a substrate to form a first electrolyte layer a predetermined thickness, coating a second slurry or composition on the first electrolyte layer to form a second electrolyte layer having a predetermined thickness, laminating an electrode layer on the second electrolyte layer, bonding the electrode layer to the second electrolyte layer through pressing, and removing the substrate from the first electrolyte layer. The first slurry or composition of the first electrolyte layer has content of a binder less than that of the second slurry or composition of the second electrolyte layer, and thus, the substrate may be easily removed from the first electrolyte layer.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: September 10, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Hanyang University
    Inventors: Yong Sub Yoon, Hong Seok Min, Kyung Su Kim, Oh Min Kwon, Dong Wook Shin, Sung Woo Noh, Lak Young Choi
  • Patent number: 10396362
    Abstract: Provided is an electrode active material slurry including a clustered complex and a slurry, wherein the clustered complex includes an electrode active material, a solid electrolyte, a conductive material, and a first binder, and the slurry includes a solvent and a second binder. The electrode active material slurry may include the clustered complex including the first binder and the slurry including the second binder so as to decrease a surface area of the overall complex, such that adhesion property with the current collector may be sufficiently secured even by using a small amount of binder, and performance of the all-solid secondary battery may be further improved.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: August 27, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Hanyang University
    Inventors: Yong Sub Yoon, Hong Seok Min, Kyung Su Kim, Oh Min Kwon, Dong Wook Shin, Sung Woo Noh, Lak Young Choi
  • Publication number: 20190198917
    Abstract: The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1: LiaPSbNcXd??[Formula 1] wherein 6?a?7, 3<b<6, 0<c?1, 0<d?2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).
    Type: Application
    Filed: October 17, 2018
    Publication date: June 27, 2019
    Inventors: Ju Yeong Seong, Yong Jun Jang, Hong Seok Min, Sa Heum Kim, Yong Sub Yoon, Pil Gun Oh, Dong Wook Shin, Chan Hwi Park, Jin Oh Son
  • Publication number: 20190198916
    Abstract: Disclosed is an all-solid battery, including a cathode, an anode, and a solid electrolyte layer. The solid electrolyte layer may include a first solid electrolyte having an ionic conductivity ranging from greater than about 5×10?3 S/cm to about 1×10?1 S/cm and a second solid electrolyte having an ionic conductivity ranging from greater than about 5×10?4 S/cm to about 1×10?2 S/cm.
    Type: Application
    Filed: October 17, 2018
    Publication date: June 27, 2019
    Inventors: Yong Sub Yoon, Yun Sung Kim, Pil Gun Oh, Hong Seok Min, Oh Min Kwon
  • Publication number: 20190173127
    Abstract: Disclosed is a method of preparing a sulfide-based solid electrolyte for an all-solid battery having an argyrodite-type crystal structure through a solution process. The method including obtaining a precursor solution by dissolving lithium sulfide, phosphorus sulfide and a halogen compound in a solvent, obtaining a precursor powder by removing the solvent from the precursor solution. Solid electrolyte for an all-solid battery can be produced by such method.
    Type: Application
    Filed: October 15, 2018
    Publication date: June 6, 2019
    Inventors: Yong Jun Jang, Pil Gun Oh, Hong Seok Min, Yong Sub Yoon, Sa Heum Kim, Ju Yeong Seong
  • Publication number: 20190081351
    Abstract: An all-solid-state battery includes: a cathode substrate; a cathode portion; a solid electrolyte layer; an anode portion; and an anode substrate. The cathode portion includes a cathode active material, a first solid electrolyte, a conductive material, and a binder, the anode portion is configured by a first anode portion having a pore structure and a second anode portion having metal foil, and the first anode portion includes a second solid electrolyte, a conductive material, and a binder.
    Type: Application
    Filed: December 7, 2017
    Publication date: March 14, 2019
    Applicant: Kia Motors Corporation
    Inventors: Dong Hul Kim, Sang Jin Park, Sung Hoon Lim, Shin Kook Kong, Sang Heon Lee, Sang Mok Park, Hong Seok Min
  • Publication number: 20190081321
    Abstract: An electrode composition includes at least two electrode active materials having different crushing strengths and particle sizes. An electrode includes at least two electrode active materials having different crushing strengths and particle sizes, and the at least two electrode active materials include a first active material and a second active material, the first active material having a higher crushing strength than that of the second active material, and the first active material having a larger particle size than that of the second active material. A lithium secondary battery includes an anode which is an electrode including at least two electrode active materials having different crushing strengths and particle sizes.
    Type: Application
    Filed: December 4, 2017
    Publication date: March 14, 2019
    Inventors: Pil Gun Oh, Sang Heon Lee, O Min Kwon, Hong Seok Min, Yong Sub Yoon
  • Patent number: 10224534
    Abstract: A swelling current interrupt device (CID) includes: a battery unit connection terminal configured to be fixed to a pouch; and a lead tab connection terminal configured to be fixed to the pouch and electrically connected to the battery unit connection terminal, wherein any one of the battery unit connection terminal and the lead tab connection terminal is broken by an expansion force of the pouch which is generated when the pouch expands to interrupt the electrical connection between the battery unit connection terminal and the lead tab connection terminal.
    Type: Grant
    Filed: April 4, 2015
    Date of Patent: March 5, 2019
    Assignee: Hyundai Motor Company
    Inventors: Hong Seok Min, Ik Kyu Kim, Sung Min Choi, Seung Ho Ahn
  • Patent number: 10193189
    Abstract: The present disclosure relates to a battery cell. The battery cell includes: an electrode assembly; a pouch which wraps around the electrode assembly; an electrode tab extended from the electrode assembly; a lead tab attached to the electrode tab; and a current interrupt device which is configured to block reconnection of the lead tab and the electrode tab when the pouch is shrunk to return to an original position after being expanded, while blocking current flow by separating the lead tab and the electrode tab through the expansion of the pouch, when abnormal situation of battery cell occurs.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: January 29, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sung Min Choi, Ik Kyu Kim, Seung Ho Ahn, Hong Seok Min
  • Publication number: 20180351205
    Abstract: Disclosed are an all-solid-state battery and a method of manufacturing the same, in which lithium ions that are consumed in an initial side reaction are supplemented by artificially increasing the amount of added lithium salt during an electrode manufacturing process, and an interface between electrodes is stabilized. The all-solid-state battery includes a cathode active material; an anode active material; and a solid electrolyte, wherein the amount of the solid electrolyte is determined by the sum of a target amount of the solid electrolyte, the target amount being set corresponding to the amounts of the cathode active material and the anode active material, and an additional amount of the solid electrolyte, wherein the additional amount of the solid electrolyte is equal to or less than 1.5 parts by weight (excluding 0 parts by weight) based on 100 parts by weight of the target amount of the solid electrolyte.
    Type: Application
    Filed: November 28, 2017
    Publication date: December 6, 2018
    Inventors: Oh Min KWON, Yong Sub YOON, Kyung Su KIM, Hong Seok MIN
  • Patent number: 10147916
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, bent plural times in a direction in which it connects the electrode assembly and the outer lead to each other, and cut by expansion force of the pouch case.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: December 4, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho, Se Jung Oh, Hoi Suk Han
  • Publication number: 20180342710
    Abstract: A method of manufacturing a short-preventive all-solid-state battery in which a thermosetting insulating resin applied in advance to a pouch-type electrode case provided with an electrode assembly received therein is forced to fill a space between the edges of the electrode assembly during packaging of the electrode assembly to fill vacant spaces between electrodes at the edges of the electrode assembly and may thus prevent physical contact and collision between the electrodes and fundamentally prevent generation of a short circuit caused thereby.
    Type: Application
    Filed: December 6, 2017
    Publication date: November 29, 2018
    Inventors: Yong Sub YOON, Pil Gun OH, Oh Min KWON, Hong Seok MIN
  • Publication number: 20180342768
    Abstract: An improved, low porosity, solid electrolyte membrane and a method of manufacturing the solid electrolyte membrane are provided. The low porosity, solid electrolyte membrane significantly improves both mechanical strength and porosity of the membrane, inhibits the growth of lithium dendrites (Li dendrites), and thereby maintains and maximizes electrochemical stability of an all-solid-state battery. This is accomplished by wet-coating a sulfide or oxide solid electrolyte particle with a thermoplastic resin, or a mixture of the thermoplastic resin and a thermosetting resin, using a solvent to prepare a composite and hot-pressing the composite at a relatively low temperature and at a low pressure.
    Type: Application
    Filed: December 15, 2017
    Publication date: November 29, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Oh Min Kwon, Hong Seok Min, Yong Sub Yoon, Kyung Su Kim, Dae Yang Oh, Yoon Seok Jung, Young Jin Nam, Sung Hoo Jung
  • Publication number: 20180331398
    Abstract: A vehicular battery module that is capable of securing the stability of a vehicle by inducing self-discharge of a battery cell when the battery is overcharged includes: a plurality of stacked battery cells, each of which includes a battery pouch and electrode terminals extending outwards from the battery pouch, and a variable-resistor disposed between the electrode terminals of the one-side battery pouch and the other-side battery pouch so as to electrically connect the two electrode terminals to each other.
    Type: Application
    Filed: November 6, 2017
    Publication date: November 15, 2018
    Inventors: Pil Gun Oh, Yong Sub Yoon, Sang Mo Kim, Yun Sung Kim, Hong Seok Min, Oh Min Kwon
  • Patent number: 10109842
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, and cut by expansion force of the pouch case.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: October 23, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho
  • Patent number: 10059217
    Abstract: A system for controlling a battery to extend a driving mileage is provided. The system supplies a high voltage required to drive a motor by connecting a plurality of batteries in series by turning off a battery switching unit during engaged of an accelerator and balances voltage between the plurality of batteries. A voltage deviation is managed by connecting the plurality of batteries in parallel by turning on the battery switching unit when the accelerator is disengaged. The system includes a plurality of battery modules and a battery switching unit configured to connect the plurality of battery modules in parallel when an accelerator is disengaged and connect the plurality of battery modules in series when the accelerator is engaged. A motor driving unit is configured to receive an output by the battery switching unit when the accelerator is engaged.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: August 28, 2018
    Assignee: Hyundai Motor Company
    Inventors: Hong Seok Min, Seung Ho Ahn, Sung Min Choi, Ik Kyu Kim
  • Publication number: 20180183095
    Abstract: Disclosed are an all solid battery including a positive electrode layer including a positive electrode active material, a solid electrolyte and a conductive material coated with an insulator coating layer, an electrolyte layer, and a negative electrode layer and a method of manufacturing an all solid battery the same. In particular, the method includes: coating, by atomic layer deposition (ALD), a conductive material with an insulator by atomic layer deposition (ALD) to produce a conductive material surrounded by an insulator coating layer; producing a positive electrode layer including the conductive material coated with the insulator coating layer-formed conductive material, a positive electrode active material, and a solid electrolyte; and stacking and pressing the positive electrode layer produced above, an electrolyte layer and a negative electrode layer.
    Type: Application
    Filed: November 27, 2017
    Publication date: June 28, 2018
    Inventors: Oh Min Kwon, Yong Sub Yoon, Hong Seok Min, Pil Gun Oh, Yoon Seok Jung, Young Jin Nam, Sung Hoo Jung, Dae Yang Oh
  • Publication number: 20180183084
    Abstract: A solid electrolyte sheet for all-solid batteries has a carrier film including poly (methyl methacrylate) and an ionic conductive material, and has a solid electrolyte slurry coated on the carrier film. The solid electrolyte sheet and an all-solid battery including such a solid electrolyte sheet can realize formation of a solid electrolyte layer as a thin film and can prevent a short-circuit upon stacking a positive electrode and a negative electrode. The solid electrolyte sheet and the all-solid battery can prevent yield decrease resulting from a short-circuit of the all-solid battery and can minimize supernumerary pores due to ionic conductive material incorporated into the solid electrolyte layer to suppress formation of lithium dendrites.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 28, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Hong Seok Min, Yong Sub Yoon, O Min Kwon, Pil Gun Oh, Dong Wook Shin, Sung Woo Noh