Patents by Inventor Eun Bee Kim

Eun Bee Kim 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: 20250229127
    Abstract: The present invention comprises a y-axis pivot axis which extends in a direction perpendicular to the ground; a resistance body driven by the power output from the y-axis pivot axis; a right arm and a left arm connected to the y-axis pivot axis; wherein when the left arm rotates clockwise, the y-axis pivot axis is driven clockwise, and the right arm idles, and when the right arm rotates clockwise, the y-axis pivot axis is driven clockwise, and the left arm idles, so that a user puts the user's legs on the leg pad and puts one end of the arms together to perform leg adduction and puts the one end of the arms apart to perform leg abduction.
    Type: Application
    Filed: February 20, 2025
    Publication date: July 17, 2025
    Inventor: EUN BEE KIM
  • Patent number: 12330007
    Abstract: A method and device for adjusting an elastic strength of an elastic body that is used in exercise or rehabilitation comprising a first elastic body provided in shape having one end and the other end; a second elastic body provided to be separated from the first elastic body; a first length adjusting device wherein a part of the first elastic body and a part of the second elastic body is provided to overlap each other in a manner that some parts of the first elastic body and the second elastic body pass through the first length adjusting device and fixed; and a second length adjusting device provided to be put on in parallel with the first length adjusting device in the lengthwise direction of the elastic bodies; so that as a result, when a user carries out muscle resistance exercise by using the first elastic body, the ends of the second elastic body move in the air and do not interfere with a resistive force but the overlapped portion of the second elastic body adds a resistive force to the first elastic bod
    Type: Grant
    Filed: October 2, 2022
    Date of Patent: June 17, 2025
    Inventor: Eun Bee Kim
  • Publication number: 20250186833
    Abstract: The present invention comprises, a y-axis pivot axis which extends in a direction perpendicular to an extension direction of a x-axis pivot axis, and the x-axis pivot axis and the y-axis pivot axis transmit power to each other; a resistance body driven by the power output from the y-axis pivot axis; wherein a user puts the user's legs on the leg pads and puts one end of the arms together to perform leg adduction and puts the one end of the arms apart to perform leg abduction, wherein, the right arm connected to the x-axis pivot axis moves back to a starting position of an exercise at an end of a exercise where a user puts the user's legs on the leg pad and perform a compressing action by pushing down the leg pad.
    Type: Application
    Filed: February 19, 2025
    Publication date: June 12, 2025
    Inventor: EUN BEE KIM
  • Publication number: 20250058170
    Abstract: The present invention relates to an apparatus for strengthening thigh and hip muscles. The apparatus according to the present invention enables a user to perform a movement in which a portion of the body connected to an arm rotates by using hip joint of the user as a pivot axis and simultaneously enables the user to perform a movement of compressing legs by providing the arm having one end connected to the pivot axis wherein the pivot axis is located close to a seat and allows a length of the arm to be extended and then restored according to a rotation angle.
    Type: Application
    Filed: April 16, 2024
    Publication date: February 20, 2025
    Inventor: EUN BEE KIM
  • Patent number: 12211991
    Abstract: The present disclosure relates to a method for manufacturing a negative electrode for an all solid state secondary battery, including the steps of: (S1) preparing a preliminary negative electrode including: a current collector; and a negative electrode active material layer formed on at least one surface of the current collector, and containing a plurality of negative electrode active material particles and a solid electrolyte; (S2) disposing a lithium layer on the negative electrode active material layer; (S3) dipping the preliminary negative electrode having the lithium layer disposed thereon in an organic solvent; and (S4) removing the lithium layer. The present disclosure also relates to a negative electrode for an all solid state secondary battery obtained by the method. The negative electrode for an all solid state secondary battery provides improved initial efficiency and cycle characteristics.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: January 28, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee, Vin-Na Jo
  • Patent number: 12183896
    Abstract: The present disclosure relates to a solid electrolyte membrane for an all-solid-state battery and a battery including the same. The battery may include lithium metal as a negative electrode active material. The solid-electrolyte membrane provides an effect of inhibiting growth of lithium dendrite by ionizing lithium deposited as metal. Therefore, when using lithium metal as a negative electrode in the all-solid-state battery including the solid electrolyte membrane, there is provided an effect of delaying and/or inhibiting growth of lithium dendrite. Thus, it is possible to effectively prevent an electrical short-circuit caused by growth of lithium dendrite.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: December 31, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Hyo-Sik Kim, Ji-Hoon Ryu, Seung-He Woo, Suk-Woo Lee
  • Patent number: 12183882
    Abstract: The present disclosure relates to a solid electrolyte membrane including a polymer electrolyte material and a porous polymer sheet which form a composite with each other in such a manner that the pores of the porous polymer sheet filled with the polymer electrolyte material, and a method for manufacturing the same. Since the porous polymer material and the solid electrolyte material form a composite with each other, it is possible to obtain a solid electrolyte membrane having excellent strength and a small thickness of 50 ?m or less, and thus to improve the energy density of a battery.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: December 31, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil Lee, Sung-Joong Kang, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee
  • Patent number: 12176576
    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: Grant
    Filed: April 28, 2020
    Date of Patent: December 24, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil Lee, Sung-Joong Kang, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee
  • Publication number: 20240387869
    Abstract: Provided is a solid electrolyte membrane including a support member, such as a porous sheet, embedded in an electrolyte membrane, wherein the support member is coated with an inhibiting material for inhibiting growth of lithium dendrite. Thus, the solid electrolyte membrane has excellent physical strength, such as puncture strength, and improved durability. In addition, the solid electrolyte membrane has an effect of inhibiting lithium dendrite growth. Thus, when the solid electrolyte membrane is applied to a lithium metal battery including lithium metal as a negative electrode material, there is provided an effect of improving the life characteristics of the battery.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 21, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil LEE, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE
  • Patent number: 12148882
    Abstract: The present disclosure relates to a method for manufacturing a solid-state battery, wherein slurry for a solid electrolyte layer is applied to each of the electrodes, and the electrodes are bound to each other before drying to obtain a solid-state battery. In the solid-state battery, each electrode is in close contact with the solid electrolyte membrane to provide excellent interfacial property, such as reduced resistance. In addition, the thickness of the solid electrolyte membrane may be controlled to a level of several microns to provide an effect of increasing the energy density of a unit cell.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: November 19, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Suk-Woo Lee, Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee
  • Patent number: 12148881
    Abstract: A composite electrolyte membrane according to the present disclosure includes a phase change layer on a surface in contact with an electrode, for example, a positive electrode. The phase change layer includes a filler, and a physically isolated area between the positive electrode and the composite electrolyte membrane, known as a dead space, is filled with the filler that is liquefied by heat resulting from the increased internal temperature of the battery, thereby reducing the interfacial resistance between the electrolyte membrane and the electrode.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: November 19, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Ji-Hoon Ryu, Eun-Bee Kim, Suk-Woo Lee, Jung-Pil Lee
  • Patent number: 12095033
    Abstract: Methods for manufacturing a solid electrolyte membrane are provided, which allow visual determination of how much a porous sheet is filled with a solid electrolyte material, and thus can optimize selection of materials and manufacturing processes of a solid electrolyte membrane in a simple manner. The resulting solid electrolyte membrane can reduce the manufacturing cost and allow easy deformation, and thus can be processed with ease when it is applied to batteries having various shapes. Further, since the solid electrolyte membrane according to the present disclosure includes a composite of a porous polymer material, such as a nonwoven web, with a solid electrolyte material, it has excellent strength and allows formation of a thin film, and thus provides a battery with improved energy density advantageously.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: September 17, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Eun-Kyung Mok
  • Patent number: 12080848
    Abstract: Provided is a solid electrolyte membrane including a support member, such as a porous sheet, embedded in an electrolyte membrane, wherein the support member is coated with an inhibiting material for inhibiting growth of lithium dendrite. Thus, the solid electrolyte membrane has excellent physical strength, such as puncture strength, and improved durability. In addition, the solid electrolyte membrane has an effect of inhibiting lithium dendrite growth. Thus, when the solid electrolyte membrane is applied to a lithium metal battery including lithium metal as a negative electrode material, there is provided an effect of improving the life characteristics of the battery.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: September 3, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee
  • Publication number: 20240261630
    Abstract: The present invention relates to an exercise device comprising, a pivot axis separated into a right axis and a left axis, wherein the right axis and the left axis are connected by using bevel gears, wherein as a ratchet bearing or a free wheel is provided on the y-axis or the arm, the y-axis idles when the y-axis rotates in one direction, and the arm fixed to the y-axis rotates in the same direction as the y-axis when the y-axis rotates in the other direction, so that when the user connects the arm to the y-axis, the user puts the user's legs together to contact one end of the arm and puts the user's legs apart, and when the arm is fixed to a x-axis a user performs a movement of lowering legs.
    Type: Application
    Filed: April 16, 2024
    Publication date: August 8, 2024
    Inventor: EUN BEE KIM
  • Patent number: 11996518
    Abstract: The present disclosure relates to an electrolyte membrane for an all-solid-state battery, an all-solid-state battery comprising the electrolyte membrane and a method for manufacturing the solid electrolyte membrane. The solid electrolyte membrane may be obtained by stacking a first protective layer, a first film-type solid electrolyte material, a porous substrate, a second film-type solid electrolyte material and a second protective layer successively to prepare a laminate structure; and carrying out pressurization of the laminate structure so that the first and the second solid electrolyte materials may be pressed into the porous substrate and the pores of the porous substrate may be filled with the solid electrolyte materials.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 28, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eun-Bee Kim, Jung-Pil Lee, Ji-Hoon Ryu, Suk-Woo Lee
  • Patent number: 11978846
    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: Grant
    Filed: June 14, 2019
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil Lee, Sung-Joong Kang, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee, Jae-Hyun Lee
  • Patent number: 11978853
    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: Grant
    Filed: September 27, 2019
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Ji-Hoon Ryu, Sung-Joong Kang
  • Publication number: 20240088440
    Abstract: A lithium secondary battery includes a negative electrode, a positive electrode positioned opposite to the negative electrode, a separator disposed between the negative electrode and the positive electrode, and a non-aqueous electrolyte, wherein the negative electrode includes a silicon-based active material, the silicon-based active material comprises a compound represented by SiOx, wherein 0?x<2, the non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a first additive and a second additive, the first additive includes a coumarin-based compound represented by Formula 1, and the second additive includes at least one of lithium fluoromalonato(difluoro)borate (LiFMDFB), lithium difluoro(oxalato)borate (LiDFOB), lithium difluorophosphate (LiDFP), or lithium difluorobis-(oxalate)phosphate (LiDFOP): wherein R and n are described herein.
    Type: Application
    Filed: August 17, 2023
    Publication date: March 14, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Yoon Gyo Cho, Chul Haeng Lee, Kyung Mi Lee, Jung Min Lee, Eun Bee Kim, Su Hyeon Ji, Chul Eun Yeom, Jung Gu Han
  • Publication number: 20240024722
    Abstract: A method and device for adjusting an elastic strength of an elastic body that is used in exercise or rehabilitation comprising a first elastic body provided in shape having one end and the other end; a second elastic body provided to be separated from the first elastic body; a first length adjusting device wherein a part of the first elastic body and a part of the second elastic body is provided to overlap each other in a manner that some parts of the first elastic body and the second elastic body pass through the first length adjusting device and fixed; and a second length adjusting device provided to be put on in parallel with the first length adjusting device in the lengthwise direction of the elastic bodies; so that as a result, when a user carries out muscle resistance exercise by using the first elastic body, the ends of the second elastic body move in the air and do not interfere with a resistive force but the overlapped portion of the second elastic body adds a resistive force to the first elastic bod
    Type: Application
    Filed: October 2, 2022
    Publication date: January 25, 2024
    Inventor: EUN BEE KIM
  • Patent number: 11876247
    Abstract: The present disclosure relates to a solid electrolyte membrane for an all-solid-state battery and a battery comprising the same. In the present disclosure, the battery may comprise lithium metal as a negative electrode active material. The solid electrolyte membrane for an all-solid-state battery according to the present disclosure comprises a guide layer comprising metal particles to guide the horizontal growth of lithium dendrites, thereby delaying an electrical short caused by dendrite growth. Additionally, the guide layer is formed by polymer self-assembly, and thus the metal particles may be uniformly distributed in a very regular pattern within the guide layer.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 16, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee