Patents by Inventor Ji Hoon Ryu
Ji Hoon Ryu 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).
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Publication number: 20250132386Abstract: The present disclosure relates to a method for manufacturing a gel polymer electrolyte secondary battery which allows easy removal of the gases generated in the secondary battery, and provides the secondary battery with significantly improved resistance and life characteristics and improved mechanical properties and thus improved stiffness and safety.Type: ApplicationFiled: January 12, 2023Publication date: April 24, 2025Inventors: Ji-Hoon RYU, Tae-Seob LIM, Dong-Kyu KIM, Yeo-Min YOON, Jung-Pil LEE
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Publication number: 20250096445Abstract: A method for manufacturing a secondary battery is provided. The method includes accommodating an electrode assembly in a battery case, injecting a first electrolyte composition into the battery case to impregnate the electrode assembly, injecting a second electrolyte composition into the battery case, and curing the second electrolyte composition, wherein an electrode tab is connected to the electrode assembly and protrudes to the outside of the electrode assembly, wherein the first electrolyte composition includes a 1-1st lithium salt containing at least one selected from the group consisting of lithium bis(fluorosulfonyl)imide (LiFSI) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), and a first solvent, wherein the second electrolyte composition includes an oligomer and a second solvent and does not include lithium bis(fluorosulfonyl)imide (LiFSI) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI).Type: ApplicationFiled: January 13, 2023Publication date: March 20, 2025Inventors: Yeo Min Yoon, Je Young Kim, Ji Hoon Ryu, Dong Kyu Kim, Tae Seob Lim
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Publication number: 20250087833Abstract: A secondary battery including an electrode assembly, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte. The electrode assembly includes a plurality of electrodes and a plurality of separators, the plurality of electrodes are stacked in a vertical direction, and each of the plurality of separators is disposed between the stacked electrodes. The separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, and the ceramic coating layer contains inorganic particles and a binder, wherein the inorganic particles are included in an amount ranging from 92 wt % to less than 100 wt %, and the binder is included in an amount ranging from greater than 0 wt % to 8 wt %. The method of making the battery is also provided.Type: ApplicationFiled: January 13, 2023Publication date: March 13, 2025Applicant: LG Energy Solution, Ltd.Inventors: Ji Hoon Ryu, Je Young KIM, Dong Kyu KIM, Yeo Min Yoon, Seong Won Choi, Won Kyung Shin, Tae Seob Lim
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Publication number: 20250073218Abstract: The present invention relates to NLRP3 protein degradation inducing compounds. Specifically, the present invention provides a bifunctional compound in which an NLRP3 protein binding moiety and an E3 ubiquitin ligase binding moiety are connected by a chemical linker, a method for preparing the same, a method for degrading NLRP3 protein using the same, and the use for preventing or treating NLRP3 inflammasome-related diseases.Type: ApplicationFiled: November 4, 2021Publication date: March 6, 2025Applicant: UPPTHERAInventors: Soo Hee Ryu, Ji Hoon Ryu, Hwa Jin Lee, Im Suk Min, Han Kyu Lee, Jun Kyu Lee, Ji Su Lee, Su Youn Koh, Seong Hoon Kim
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Publication number: 20250079528Abstract: A secondary battery includes an electrode assembly including an electrode and a separator which are alternately stacked; a gel polymer electrolyte; and a battery case accommodating the electrode assembly and the gel polymer electrolyte. The separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, and the ceramic coating layer contains from 92 wt % to less than 100 wt % of inorganic particles and from greater than 0 wt % to 8 wt % of a binder.Type: ApplicationFiled: January 13, 2023Publication date: March 6, 2025Applicant: LG Energy Solution, Ltd.Inventors: Ji Hoon Ryu, Je Young Kim, Dong Kyu Kim, Yeo Min Yoon, Seong Won Choi, Won Kyung Shin, Tae Seob Lim
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Publication number: 20250070414Abstract: A battery cell with improved battery durability and battery lifetime, a method of preparing the battery cell, and a battery module including the battery cell are provided. The battery cell includes a cell case having an accommodation space; an electrode assembly which is accommodated in the accommodation space and includes a plurality of electrodes, an electrode tab formed on at least one side of each of the plurality of electrodes, and a separator disposed between the plurality of electrodes; a gel electrolyte which contains a first molarity of a first lithium salt and is accommodated in the accommodation space while surrounding the electrode tab; and a liquid electrolyte which contains a second molarity, which is lower than the first molarity, of a second lithium salt and is accommodated between the plurality of electrodes.Type: ApplicationFiled: February 28, 2023Publication date: February 27, 2025Inventors: Ji Hoon RYU, Dong Kyu KIM, Yeo Min YOON, Tae Seob LIM, Jung Pil LEE
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Publication number: 20250070243Abstract: The present disclosure relates to a secondary battery that includes an electrode assembly including an electrode and a separator which are alternately stacked, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte, wherein the separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, the ceramic coating layer includes inorganic particles in an amount of 92 wt % or greater and less than 100 wt % and a binder in an amount of greater than 0 wt % and 8 wt % or less, the electrode includes a positive electrode and a negative electrode, and the negative electrode includes a silicon-based active material.Type: ApplicationFiled: January 13, 2023Publication date: February 27, 2025Inventors: Ji Hoon RYU, Je Young KIM, Dong Kyu KIM, Yeo Min YOON, Tae Seob LIM
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Publication number: 20250062416Abstract: A method for manufacturing a secondary battery, includes preparing an electrode assembly in which electrodes and a separator are alternately laminated, and an adhesive composition is applied to the surface of at least one of the electrodes or the separator, thereby allowing the electrodes and the separator to adhere to each other; accommodating the electrode assembly in a battery case; injecting a gel polymer electrolyte composition into the battery case to impregnate the electrode assembly with the gel polymer electrolyte composition; curing the gel polymer electrolyte composition; and sealing the battery case, wherein the separator includes a porous substrate and ceramic coating layers disposed on both surfaces of the porous substrate.Type: ApplicationFiled: January 13, 2023Publication date: February 20, 2025Applicant: LG Energy Solution, Ltd.Inventors: Tae Seob Lim, Ji Hoon Ryu, Je Young Kim, Dong Kyu Kim, Yeo Min Yoon
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Patent number: 12218345Abstract: The present invention relates to an electrode sheet comprising: a first cathode mixture layer which is formed in a central portion of a holding part and contains a first cathode active material of lithium nickel cobalt manganese oxide; and a second cathode mixture layer which is formed at one end or both ends of the first cathode mixture layer and contains a second cathode active material lower in nickel content than the first cathode active material, wherein a rolling density b of the second cathode mixture layer is lower than a rolling density a of the first cathode mixture layer, whereby the electrode sheet has the effect of improving the energy density while suppressing a reaction with water.Type: GrantFiled: April 20, 2021Date of Patent: February 4, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Song Yi Han, Ji Hoon Ryu
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Patent number: 12211991Abstract: 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: GrantFiled: September 25, 2019Date of Patent: January 28, 2025Assignee: LG Energy Solution, Ltd.Inventors: Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee, Vin-Na Jo
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Publication number: 20250006360Abstract: A portable integrated controller is used in a remote medical support system that includes a visualization device, the portable integrated controller, and a remote medical support server. The portable integrated controller includes a controller unit configured to input data; a display unit configured to display collected and processed information on a screen and provide voice or alarms; a power management unit configured to manage supplied power; a camera unit configured to take pictures or videos; a control unit configured to manage and control individual components in an integrated manner; and a communication unit configured to exchange data. The portable integrated controller runs a recognition and matching engine based on image information shared by the visualization device, and shares generated information with the remote medical support server.Type: ApplicationFiled: September 1, 2023Publication date: January 2, 2025Inventors: Yong Bae JUNG, Ji Hoon RYU, Jin Uk KIM, Keon Sang AHN, Min Ok JANG
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Patent number: 12183882Abstract: 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: GrantFiled: December 6, 2019Date of Patent: December 31, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jung-Pil Lee, Sung-Joong Kang, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee
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Patent number: 12183896Abstract: 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: GrantFiled: January 10, 2020Date of Patent: December 31, 2024Assignee: LG Energy Solution, Ltd.Inventors: Jung-Pil Lee, Eun-Bee Kim, Hyo-Sik Kim, Ji-Hoon Ryu, Seung-He Woo, Suk-Woo Lee
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Patent number: 12176576Abstract: 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: GrantFiled: April 28, 2020Date of Patent: December 24, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jung-Pil Lee, Sung-Joong Kang, Eun-Bee Kim, Ji-Hoon Ryu, Suk-Woo Lee
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Publication number: 20240387869Abstract: 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: ApplicationFiled: July 30, 2024Publication date: November 21, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jung-Pil LEE, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE
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Patent number: 12148882Abstract: 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: GrantFiled: October 15, 2019Date of Patent: November 19, 2024Assignee: LG Energy Solution, Ltd.Inventors: Suk-Woo Lee, Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee
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Patent number: 12148881Abstract: 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: GrantFiled: October 10, 2019Date of Patent: November 19, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Ji-Hoon Ryu, Eun-Bee Kim, Suk-Woo Lee, Jung-Pil Lee
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Patent number: 12132163Abstract: The present invention relates to a method for manufacturing a secondary battery and a secondary battery. The method for manufacturing the secondary battery comprises an accommodation step of accommodating an electrode assembly in an accommodation part of a battery case, a vent membrane mounting step of mounting a vent membrane on a discharge hole, which passes between the inside and outside of the battery case, in the battery case, and a case sealing step of sealing the battery case, wherein the vent membrane allows only a gas to pass through the discharge hole of the battery case, but blocks a liquid.Type: GrantFiled: September 17, 2020Date of Patent: October 29, 2024Assignee: LG Energy Solution, Ltd.Inventors: Soon Ju Choi, Eun Ju Lee, Seok Koo Kim, Ji Eun Lee, Ji Hoon Ryu
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Patent number: 12119477Abstract: The present disclosure relates to an electrode for an all solid-state battery and a method for manufacturing the same. The electrode comprises an electrode active material layer, wherein the gaps between the electrode active material particles forming the electrode active material layer are filled with a mixture of a polymeric solid electrolyte and a conductive material. The method for manufacturing the electrode comprises a solvent annealing process, and the contact between the electrode active material particles and the conductive material is improved through the solvent annealing process, thereby improving ion conductivity of the electrode and capacity realization in the battery.Type: GrantFiled: May 3, 2019Date of Patent: October 15, 2024Assignee: LG Energy Solution, Ltd.Inventors: Jung-Pil Lee, Ji-Hoon Ryu, Sung-Joong Kang, Jae-Hyun Lee
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Patent number: 12119480Abstract: The present invention relates to a method of manufacturing a secondary battery with improved resistance. According to the present invention, since the electrode assembly with succinonitrile interposed at the interface between the electrode and the separator is manufactured and then laminated, a high-pressure process is not required during lamination compared to the prior art, thereby improving processability, and since succinonitrile is dissolved in the electrolyte solution, it exhibits an effect of improving the resistance of the battery.Type: GrantFiled: September 16, 2020Date of Patent: October 15, 2024Assignee: LG Energy Solution, Ltd.Inventors: Ji Hoon Ryu, Song Yi Han