Patents by Inventor Joong Kang

Joong Kang 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: 20220255117
    Abstract: A solid electrolyte membrane and method of preparing, including a plurality of polymer filaments arranged crossed as a 3-dimensional structure in the form of a net of nonwoven fabric-like shape, and a plurality of inorganic solid electrolytes inserted and uniformly distributed in the structure. By this structural feature, a large amount of solid electrolyte particles are uniformly distributed and filled in the electrolyte membrane, contact between the particles is good, and ionic conduction paths are sufficiently provided. Additionally, the durability of the solid electrolyte membrane is improved by the 3-dimensional structure, and the flexibility and strength increase. The nonwoven fabric composite solid electrolyte membrane has an effect in preventing inorganic solid electrolyte particle from being disconnected therefrom.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 11, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju CHO, Ho-Suk SHIN, Seung-He WOO, Sung-Joong KANG, Hyea-Eun HAN
  • Publication number: 20220248909
    Abstract: A blender includes a container body in which food is accommodated, a main body provided underneath the container body and supporting the container body, a container lid detachably mounted on an upper surface of the container body and opening and closing the top of the container body, and a blade assembly provided on a lower end portion of the container body and chopping the food inside the container body into small pieces. The blade assembly includes a main blade on which a plurality of main blade portions is formed, and an auxiliary blade of which an auxiliary blade portion is positioned between each of the plurality of main blade portions.
    Type: Application
    Filed: September 4, 2020
    Publication date: August 11, 2022
    Inventors: Hyun Woo PARK, Jong Ho LEE, Ki Joong KANG
  • Publication number: 20220216570
    Abstract: Provided is a solid electrolyte membrane for a solid-state battery, including at least two solid electrolyte layers and at least one volume-swelling layer, wherein the volume-swelling layer is disposed between the solid electrolyte layers. The solid electrolyte membrane includes (a) an ion conductive solid electrolyte material, and the volume-swelling layer includes (b) inorganic particles, wherein the inorganic particles form an alloy with lithium and include a metal, metal oxide or both. Thus, it is possible to provide a solid electrolyte membrane for a solid-state battery fundamentally prevented from a short-circuit by inhibiting growth of lithium dendrite.
    Type: Application
    Filed: April 28, 2020
    Publication date: July 7, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil LEE, Sung-Joong KANG, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE
  • Patent number: 11374262
    Abstract: The present disclosure relates to a solid electrolyte battery including a negative electrode including: a negative electrode current collector; a first negative electrode active material layer formed on at least one surface of the negative electrode current collector and including a first negative electrode active material, a first solid electrolyte and a first electrolyte salt; and a second negative electrode active material layer formed on the first negative electrode active material layer and including a second negative electrode active material, a second solid electrolyte, a second electrolyte salt and a plasticizer having a melting point of 30-130° C., the solid electrolyte battery is activated at a temperature between the melting point of the plasticizer and 130° C., and a solid electrolyte interface (SEI) layer is formed on the surface of the second negative electrode active material.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: June 28, 2022
    Inventors: Ji-Hoon Ryu, Jung-Pil Lee, Sung-Joong Kang, Eun-Bee Kim, Ji-Young Kim, Suk-Woo Lee, Jae-Hyun Lee
  • Publication number: 20220181687
    Abstract: Disclosed are a solid-liquid hybrid electrolyte membrane including a plurality of solid polymer particles and a small amount of liquid electrolyte, wherein the solid polymer particles are packed, while being in contact with one another, and include a porous structure having a pore structure formed among the solid polymer particles, and the liquid electrolyte surrounds the inside of the pores of the porous structure, the portions in which the solid polymer particles are in surface contact with one another, or the surfaces of the solid polymer particles, and a method for manufacturing the same. It is possible to provide a solid-liquid hybrid electrolyte membrane, which can be deformed by external pressurization, by using no solid electrolyte. It is also possible to provide a solid-liquid hybrid electrolyte membrane showing low resistance by using no binder polymer.
    Type: Application
    Filed: November 18, 2020
    Publication date: June 9, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil LEE, Ji-Young KIM, Sung-Joong KANG
  • Patent number: 11342578
    Abstract: A solid electrolyte membrane and method of preparing, including a plurality of polymer filaments arranged crossed as a 3-dimensional structure in the form of a net of nonwoven fabric-like shape, and a plurality of inorganic solid electrolytes inserted and uniformly distributed in the structure. By this structural feature, a large amount of solid electrolyte particles are uniformly distributed and filled in the electrolyte membrane, contact between the particles is good, and ionic conduction paths are sufficiently provided. Additionally, the durability of the solid electrolyte membrane is improved by the 3-dimensional structure, and the flexibility and strength increase. The nonwoven fabric composite solid electrolyte membrane has an effect in preventing inorganic solid electrolyte particle from being disconnected therefrom.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: May 24, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sung-Ju Cho, Ho-Suk Shin, Seung-He Woo, Sung-Joong Kang, Hyea-Eun Han
  • Patent number: 11342577
    Abstract: Provided is provided a lithium metal battery which includes a composite solid electrolyte membrane interposed between a lithium metal negative electrode and a positive electrode, wherein the composite solid electrolyte membrane includes: a phase transformation layer containing a plasticizer and a lithium salt; a porous polymer sheet layer; and a solid polymer electrolyte layer, the phase transformation layer, the porous polymer sheet layer and the solid polymer electrolyte layer stacked successively, and the phase transformation layer is disposed in such a manner that it faces the lithium metal negative electrode. The lithium metal battery shows reduced resistance at the interface with an electrode and increased ion conductivity, has improved safety, and provides improved energy density of an electrode.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 24, 2022
    Inventors: Ji-Hoon Ryu, Guilong Jin, Sung-Joong Kang, Jae-Hyun Lee
  • Patent number: 11316168
    Abstract: A flexible secondary battery includes: a first electrode including a first electrode current collector extended longitudinally, a first electrode active material layer formed on the outside of the first electrode current collector, and a first insulation coating layer formed on the outside of the first electrode active material layer; and a second electrode including a second electrode current collector extended longitudinally, a second electrode active material layer formed on the outside of the second electrode current collector, and a second insulation coating layer formed on the outside of the second electrode active material layer, wherein the first electrode and the second electrode are wound in such a manner that they are disposed alternately in contact with each other.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: April 26, 2022
    Inventors: Jae-Hyun Lee, In-Sung Uhm, Sung-Joong Kang, Dong-Chan Lee
  • Publication number: 20220069415
    Abstract: In a solid electrolyte membrane according to the present disclosure, an ion conduction blocking layer is formed in the electrolyte membrane by a polymer material having low ionic conductivity by phase separation of polymer under the high temperature condition such as an increase in the internal temperature of a battery, to block the movement of lithium ions. The formed ion conduction blocking layer (hereinafter referred to as blocking layer) prevents thermal runaway and consequential explosions of the battery, thereby improving the heat resistance safety of the battery.
    Type: Application
    Filed: May 11, 2020
    Publication date: March 3, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil LEE, Sung-Joong KANG
  • Patent number: 11264618
    Abstract: A lithium metal electrode includes a current collector having a surface irregularity structure, a lithium metal layer disposed outside of the surface irregularity structure except the uppermost surface of the surface irregularity structure in the current collector, an electron-insulating protective layer disposed outside of the lithium metal layer, and a lithium ion-isolating layer disposed (1) on the uppermost surface of the surface irregularity structure of the current collector, or (2) on the uppermost surface of the surface irregularity structure of the current collector, on the uppermost surface of the lithium metal layer, and on the uppermost surface of the electron-insulating protective layer, wherein the electron-insulating protective layer includes a non-porous layer transporting lithium ions and having no pores, and a polymer porous layer disposed outside thereof. A lithium secondary battery and flexible secondary battery including the lithium metal electrode are also provided.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: March 1, 2022
    Inventors: Yong-Hee Lee, Dong-Hyeon Kang, In-Sung Uhm, Sung-Joong Kang, Min-Chul Jang, Byoung-Kuk Son, Dong-Chan Lee
  • Patent number: 11223037
    Abstract: A method for manufacturing an anode for a cable-type secondary battery, includes forming a lithium-containing electrode layer on the outer surface of a wire-type current collector; and surrounding the outer surface of the lithium-containing electrode layer with a substrate for forming a polymer layer spirally, and pressing the outside of the substrate for forming a polymer layer to form a polymer layer on the lithium-containing electrode layer, wherein the polymer layer includes a hydrophobic polymer, an ion conductive polymer, and a binder for binding the hydrophobic polymer and the ion conductive polymer with each other. An anode obtained from the method and a cable-type secondary battery including the anode are also provided.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: January 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Jung-Hun Choi, Dong-Hyeon Kang, Sung-Joong Kang, Byoung-Kuk Son, In-Sung Uhm, Dong-Chan Lee, Yong-Hee Lee, Min-Chul Jang
  • Patent number: 11201357
    Abstract: A flexible secondary battery includes an electrode support; a sheet-type internal electrode wound helically outside of the electrode support; a sheet-type first solid electrolyte layer wound helically outside of the internal electrode; a sheet-type bipolar electrode wound helically outside of the first solid electrolyte layer; a sheet-type second solid electrolyte layer wound helically outside of the bipolar electrode; and a sheet-type external electrode wound helically outside of the second solid electrolyte layer, wherein each of the first and second solid electrolyte layers include an organic solid electrolyte, the internal electrode is provided with insulation coating portions at both longitudinal ends of one surface facing the first solid electrolyte layer, the external electrode is provided with insulation coating portions at both longitudinal ends of one surface facing the second solid electrolyte layer, and the bipolar electrode is provided with insulation coating portions at both longitudinal ends of
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: December 14, 2021
    Inventors: Jung-Pil Lee, In-Sung Uhm, Sung-Joong Kang, Hyo-Sik Kim
  • Publication number: 20210367263
    Abstract: A solid electrolyte membrane for a solid-state battery and a battery comprising the same is provided. The battery may comprise lithium metal as a negative electrode active material. The solid electrolyte membrane comprises an inhibiting layer, which is preferably capable of inhibiting growth of lithium dendrite, because it includes an effective amount of a dendrite growth-inhibiting material, which is capable of ionizing lithium deposited in the form of metal. Thus, when lithium metal is used as a negative electrode for a solid-state battery comprising the solid electrolyte membrane, it is possible to delay and/or inhibit growth of lithium dendrite, and thus to effectively prevent an electrical short-circuit caused by dendrite growth.
    Type: Application
    Filed: June 14, 2019
    Publication date: November 25, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Pil LEE, Sung-Joong KANG, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE, Jae-Hyun LEE
  • Patent number: 11153388
    Abstract: Provided is an engine container configured by a workflow engine framework for a cross-domain extension, including a plurality of operators configured to interwork with a plurality of representational state transfer (REST) application programming interfaces (APIs), respectively, a runner configured to sequentially call the plurality of operators according to a request from a client, and a controller configured to control an operation of the plurality of operators and the runner, wherein each operator operates in a pipeline manner to call a corresponding REST API using uniform resource locator (URL) information transferred from the runner and to transfer a processing result obtained by processing data provided through the corresponding called REST API to a next operator.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: October 19, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yeon Hee Lee, Hyun Joong Kang, Young Min Kim, Tae Hwan Kim, Hyun Jae Kim, Hoo Young Ahn, Tae Wan You, Ho Sung Lee, Wan Seon Lim, Cheol Sig Pyo
  • Patent number: 11144833
    Abstract: Provided are a data processing apparatus and method for merging and processing deterministic knowledge and non-deterministic knowledge. The data processing apparatus and method may efficiently process various real-time and large-scale data to convert the data into knowledge by merging and processing non-deterministic knowledge and also deterministic knowledge perceived by an expert. Thus, it is possible to adaptively operate in accordance with a dynamically changing application service environment by converting a conversion rule for converting collected data generated from an application service system into semantic data, a context awareness rule for perceiving context information from given information, and a user query for searching for knowledge information into knowledge and gradually augmenting the knowledge information in accordance with an application service environment.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: October 12, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Hyun Kwon, Eun Joo Kim, Hong Kyu Park, Hyun Joong Kang, Kwi Hoon Kim, Young Min Kim, Hyun Jae Kim, Ji Hoon Bae, Se Won Oh, Jae Hak Yu, Yeon Hee Lee, Ho Sung Lee, Nae Soo Kim, Sun Jin Kim, Cheol Sig Pyo
  • Publication number: 20210314276
    Abstract: Provided are a system and method for controlling a workflow across domains on the basis of a hierarchical engine framework. Inventive workflow control makes it possible to configure a flexible hierarchical engine framework and provide a workflow service with low latency. Also, the system and method make it possible to control a workflow by building an engine and a data pipeline across domains.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae Wan YOU, Yeon Hee LEE, Cheol Sig PYO, Yong Geun HONG, Min Suk KIM, Woong Shik YOU, Seong Ik CHO, Hyun Joong KANG, Kwi Hoon KIM, Hyun Jae KIM, Ho Sung LEE, Jung Ha HONG
  • Publication number: 20210249688
    Abstract: The present disclosure relates to an electrode for an all solid-state battery and a manufacturing method thereof, and a mixture of a polymer-based solid electrolyte and a conductive material is filled between electrode active material particles that constitute an electrode active material layer, to increase the contact between the electrode active material particles and the conductive material through a solvent annealing process included in a manufacturing process, thereby improving ionic conductivity in the electrode and capacity in the electrode.
    Type: Application
    Filed: September 27, 2019
    Publication date: August 12, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Ji-Hoon Ryu, Sung-Joong Kang
  • Publication number: 20210242446
    Abstract: The present disclosure relates to an electrode assembly for an all-solid-state battery with improved safety, and more particularly, to an electrode assembly of a new structure designed to prevent the damage of a solid electrolyte layer caused by a step formed in a negative electrode layer due to changes in thickness of the negative electrode layer, such as an increase or decrease in thickness at part of the negative electrode layer, during charging/discharging. The electrode assembly is characterized by comprising a protective layer having an opening, interposed between the negative electrode and the solid electrolyte layer.
    Type: Application
    Filed: August 20, 2019
    Publication date: August 5, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Guilong JIN, Sung-Joong KANG, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE, Jung-Pil LEE
  • Patent number: 11069895
    Abstract: An electrode assembly for a solid state battery includes a positive electrode, a negative electrode and a solid electrolyte layer interposed between the positive electrode and the negative electrode. In addition, the binder disposed at the interface between the negative electrode and the solid electrolyte layer, the interface between the positive electrode and the solid electrolyte layer and/or at a predetermined depth from the interface is crosslinked to form a three-dimensional network. In other words, in the electrode assembly, the binder contained in the negative electrode and the solid electrolyte layer and/or the binder contained in the positive electrode and the solid electrolyte layer is crosslinked to improve the interfacial binding force between the negative electrode and the solid electrolyte layer and/or between the positive electrode and the solid electrolyte layer, and thus ion conductivity is maintained to a significantly high level.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: July 20, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Sung-Ju Cho, Ho-Suk Shin, Seung-He Woo, Sung-Joong Kang, Hyea-Eun Han
  • Patent number: 11070488
    Abstract: Provided are a system and method for controlling a workflow across domains on the basis of a hierarchical engine framework. Inventive workflow control makes it possible to configure a flexible hierarchical engine framework and provide a workflow service with low latency. Also, the system and method make it possible to control a workflow by building an engine and a data pipeline across domains.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: July 20, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Wan You, Yeon Hee Lee, Cheol Sig Pyo, Yong Geun Hong, Min Suk Kim, Woong Shik You, Seong Ik Cho, Hyun Joong Kang, Kwi Hoon Kim, Hyun Jae Kim, Ho Sung Lee, Jung Ha Hong