Patents by Inventor Chan-bae Kim
Chan-bae 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).
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Publication number: 20230299413Abstract: A secondary battery according to an embodiment of the present disclosure includes an electrode assembly, a battery case that houses the electrode assembly and has an opened upper party, and a cap assembly that is coupled to the opened upper part of the battery case.The cap assembly comprises a safety vent formed with a notch portion, and a gap formed by the notch portion is closed.Type: ApplicationFiled: November 3, 2021Publication date: September 21, 2023Applicant: LG Energy Solution, Ltd.Inventors: Wook Hee Jang, Do Gyun Kim, Jin Uk Do, Chan Bae Kim
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Publication number: 20230231243Abstract: A cylindrical secondary battery may have an insulation layer formed in a region in which the top cap and the first gasket are coupled to each other. The insulation layer may include a ceramic material and a binder. The secondary battery is designed so that, when an external electrical conductive object is electrically connected directly to a positive electrode and a negative electrode of the secondary battery, an electrode tab of the secondary battery is broken as quickly as possible.Type: ApplicationFiled: March 21, 2023Publication date: July 20, 2023Applicant: LG Energy Solution, Ltd.Inventors: Do Gyun Kim, Sang Suk Jung, Byoung Kook Lee, Byoung Gu Lee, Chan Bae Kim
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Patent number: 11631915Abstract: A gasket for a secondary battery includes a base resin and a rust inhibitor, wherein the base resin includes polybutylene terephthalate and the rust inhibitor includes an anti-rust material and a polymer resin, and the base resin and the polymer resin are different.Type: GrantFiled: February 25, 2019Date of Patent: April 18, 2023Inventors: Byoung Gu Lee, Do Gyun Kim, Sang Suk Jung, Hang Soo Shin, Chan Bae Kim
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Publication number: 20230087398Abstract: A secondary battery includes a current interrupt device (CID), a safety vent disposed on the current interrupt device and electrically connected to the current interrupt device, and a CID gasket for surrounding an edge of the current interrupt device. The CID gasket includes reinforcement material, and the reinforcement material includes at least one of glass fiber, carbon fiber, aramid fiber, cellulose, ceramic particles, and a filler.Type: ApplicationFiled: April 6, 2021Publication date: March 23, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jeong Eon Park, Chan Bae Kim, Do Gyun Kim, Saeweon Roh
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Patent number: 11538812Abstract: A method for fabricating a semiconductor device includes: forming a first conductive structure over a substrate; forming a multi-layer spacer including a non-conformal sacrificial spacer on both sidewalls of the first conductive structure; forming a second conductive structure adjacent to the first conductive structure with the multi-layer spacer therebetween; forming an air gap by removing the non-conformal sacrificial spacer; forming a capping layer covering the second conductive structure and the air gap; forming an opening that exposes a top surface of the second conductive structure by etching the capping layer; and forming a conductive pad coupled to the second conductive structure in the opening.Type: GrantFiled: December 15, 2020Date of Patent: December 27, 2022Assignee: SK hynix Inc.Inventors: Chan-Bae Kim, Sang-Soo Park, Tae-Hyeok Lee
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Patent number: 11495867Abstract: A rust inhibitor for a gasket, a gasket for a secondary battery including the same, and a secondary battery are provided. The rust inhibitor includes an anti-rust material and a polymer resin, wherein the polymer resin includes at least one of polyethylene or a copolymer which includes 2 or more derived units selected from the group consisting of an ethylene-derived unit, a propylene-derived unit, a butylene terephthalate-derived unit, an ethylene terephthalate-derived unit, and a methyl acrylate-derived unit.Type: GrantFiled: February 25, 2019Date of Patent: November 8, 2022Inventors: Byoung Gu Lee, Do Gyun Kim, Sang Suk Jung, Hang Soo Shin, Chan Bae Kim
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Patent number: 11450910Abstract: A secondary battery may include: an electrode assembly in which a positive electrode, a negative electrode, and a separator are wound or stacked; an insulator on at least one of an upper portion and a lower portion of the electrode assembly; and a battery case configured to accommodate the electrode assembly, the insulator, and an electrolyte and sealed by a cap assembly, wherein the insulator includes: a peripheral portion having a disk ring shape and made of a rigid material; and a central portion extending inward from an inner circumferential surface of the peripheral portion and including a textile fabric having high-temperature resistance.Type: GrantFiled: October 17, 2018Date of Patent: September 20, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hang Soo Shin, Do Gyun Kim, Sang Suk Jung, Byoung Gu Lee, Chan Bae Kim
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Publication number: 20220093998Abstract: The present invention relates to a secondary battery, in which a sealing property is improved, and a method for manufacturing the same. The secondary battery includes: a can member having an opening; a top cap assembly sealing the opening; a gasket insulating the opening from the top cap assembly; and a hot melt applied to a surface of the gasket, wherein the hot melt has fluidity and viscosity at a predetermined temperature or more and is hardened at a temperature less than the predetermined temperature.Type: ApplicationFiled: December 7, 2021Publication date: March 24, 2022Applicant: LG Chem, Ltd.Inventors: Do Gyun Kim, Sang Suk Jung, Byoung Kook Lee, Hang Soo Shin, Geon Woo Min, Byoung Gu Lee, Chan Bae Kim
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Patent number: 11171384Abstract: The disclosed secondary battery is capable of preventing a short-circuit pressure at which the safety vent is ruptured from being reduced due to deformation of the safety vent during assembly of the battery. The secondary battery of the present invention includes a can member accommodating an electrode assembly and a top cap assembly covering an opening of the can member. A safety vent is provided in the top cap assembly to discharge a gas when an inner pressure of the can member increases, wherein the safety vent includes a main body and a bending unit, in which an outer edge of the main body is bent, and wherein a buffering space is defined between the bending unit and the main body.Type: GrantFiled: November 7, 2018Date of Patent: November 9, 2021Inventors: Geon Woo Min, Hang Soo Shin, Do Gyun Kim, Sang Suk Jung, Chan Bae Kim
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Patent number: 11063318Abstract: A cylindrical battery cell includes a jelly-roll type electrode assembly, configured to have a structure in which a positive electrode and a negative electrode are wound in a state in which a separator is disposed between the positive electrode and the negative electrode; a cylindrical battery case having no beading part; a cap assembly located at the open upper end of the cylindrical battery case, the cap assembly including a safety vent configured to rupture in order to exhaust gas when pressure in the battery case increases; a gasket mounted so as to surround the outer circumference of the safety vent in order to maintain insulation between the cap assembly and the cylindrical battery case; and a washer for fixing the cap assembly to the cylindrical battery case, the washer coupled to an upper surface of an outer circumferential portion of the open upper end of the cylindrical battery case.Type: GrantFiled: September 13, 2018Date of Patent: July 13, 2021Inventors: Hang Soo Shin, Do Gyun Kim, Sang Sok Jung, Byoung Kook Lee, Byoung Gu Lee, Geon Woo Min, Chan Bae Kim
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Publication number: 20210151838Abstract: A rust inhibitor for a gasket, a gasket for a secondary battery including the same, and a secondary battery are provided. The rust inhibitor includes an anti-rust material and a polymer resin, wherein the polymer resin includes at least one of polyethylene or a copolymer which includes 2 or more derived units selected from the group consisting of an ethylene-derived unit, a propylene-derived unit, a butylene terephthalate-derived unit, an ethylene terephthalate-derived unit, and a methyl acrylate-derived unit.Type: ApplicationFiled: February 25, 2019Publication date: May 20, 2021Applicant: LG Chem, Ltd.Inventors: Byoung Gu Lee, Do Gyun Kim, Sang Suk Jung, Hang Soo Shin, Chan Bae Kim
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Publication number: 20210134808Abstract: A method for fabricating a semiconductor device includes: forming a first conductive structure over a substrate; forming a multi-layer spacer including a non-conformal sacrificial spacer on both sidewalls of the first conductive structure; forming a second conductive structure adjacent to the first conductive structure with the multi-layer spacer therebetween; forming an air gap by removing the non-conformal sacrificial spacer; forming a capping layer covering the second conductive structure and the air gap; forming an opening that exposes a top surface of the second conductive structure by etching the capping layer; and forming a conductive pad coupled to the second conductive structure in the opening.Type: ApplicationFiled: December 15, 2020Publication date: May 6, 2021Inventors: Chan-Bae KIM, Sang-Soo PARK, Tae-Hyeok LEE
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Publication number: 20210091434Abstract: A gasket for a secondary battery including a base resin and a rust inhibitor, wherein the base resin includes polybutylene terephthalate and the rust inhibitor includes an anti-rust material and a polymer resin, and the base resin and the polymer resin are different.Type: ApplicationFiled: February 25, 2019Publication date: March 25, 2021Applicant: LG Chem, Ltd.Inventors: Byoung Gu Lee, Do Gyun Kim, Sang Suk Jung, Hang Soo Shin, Chan Bae Kim
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Publication number: 20210083236Abstract: A cylindrical secondary battery may have an insulation layer formed in a region in which the top cap and the first gasket are coupled to each other. The insulation layer may include a ceramic material and a binder. The secondary battery is designed so that, when an external electrical conductive object is electrically connected directly to a positive electrode and a negative electrode of the secondary battery, an electrode tab of the secondary battery is broken as quickly as possible.Type: ApplicationFiled: March 7, 2019Publication date: March 18, 2021Applicant: LG Chem, Ltd.Inventors: Do Gyun Kim, Sang Suk Jung, Byoung Kook Lee, Byoung Gu Lee, Chan Bae Kim
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Patent number: 10930655Abstract: A method for fabricating a semiconductor device includes: forming a first conductive structure over a substrate; forming a multi-layer spacer including a non-conformal sacrificial spacer on both sidewalls of the first conductive structure; forming a second conductive structure adjacent to the first conductive structure with the multi-layer spacer therebetween; forming an air gap by removing the non-conformal sacrificial spacer; forming a capping layer covering the second conductive structure and the air gap; forming an opening that exposes a top surface of the second conductive structure by etching the capping layer; and forming a conductive pad coupled to the second conductive structure in the opening.Type: GrantFiled: December 24, 2018Date of Patent: February 23, 2021Assignee: SK hynix Inc.Inventors: Chan-Bae Kim, Sang-Soo Park, Tae-Hyeok Lee
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Publication number: 20200295318Abstract: The present invention relates to a secondary battery, in which a sealing property is improved, and a method for manufacturing the same. The secondary battery includes: a can member having an opening; a top cap assembly sealing the opening; a gasket insulating the opening from the top cap assembly; and a hot melt applied to a surface of the gasket, wherein the hot melt has fluidity and viscosity at a predetermined temperature or more and is hardened at a temperature less than the predetermined temperature.Type: ApplicationFiled: March 23, 2018Publication date: September 17, 2020Applicant: LG Chem, Ltd.Inventors: Do Gyun Kim, Sang Suk Jung, Byoung Kook Lee, Hang Soo Shin, Geon Woo Min, Byoung Gu Lee, Chan Bae Kim
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Publication number: 20200106060Abstract: A secondary battery may include: an electrode assembly in which a positive electrode, a negative electrode, and a separator are wound or stacked; an insulator on at least one of an upper portion and a lower portion of the electrode assembly; and a battery case configured to accommodate the electrode assembly, the insulator, and an electrolyte and sealed by a cap assembly, wherein the insulator includes: a peripheral portion having a disk ring shape and made of a rigid material; and a central portion extending inward from an inner circumferential surface of the peripheral portion and including a textile fabric having high-temperature resistance.Type: ApplicationFiled: October 17, 2018Publication date: April 2, 2020Applicant: LG CHEM, LTD.Inventors: Hang Soo SHIN, Do Gyun KIM, Sang Suk JUNG, Byoung Gu LEE, Chan Bae KIM
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Publication number: 20200091482Abstract: The disclosed secondary battery is capable of preventing a short-circuit pressure at which the safety vent is ruptured from being reduced due to deformation of the safety vent during assembly of the battery. The secondary battery of the present invention includes a can member accommodating an electrode assembly and a top cap assembly covering an opening of the can member. A safety vent is provided in the top cap assembly to discharge a gas when an inner pressure of the can member increases, wherein the safety vent includes a main body and a bending unit, in which an outer edge of the main body is bent, and wherein a buffering space is defined between the bending unit and the main body.Type: ApplicationFiled: November 7, 2018Publication date: March 19, 2020Applicant: LG Chem, Ltd.Inventors: Geon Woo Min, Hang Soo Shin, Do Gyun Kim, Sang Suk Jung, Chan Bae Kim
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Publication number: 20200020697Abstract: A method for fabricating a semiconductor device includes: forming a first conductive structure over a substrate; forming a multi-layer spacer including a non-conformal sacrificial spacer on both sidewalls of the first conductive structure; forming a second conductive structure adjacent to the first conductive structure with the multi-layer spacer therebetween; forming an air gap by removing the non-conformal sacrificial spacer; forming a capping layer covering the second conductive structure and the air gap; forming an opening that exposes a top surface of the second conductive structure by etching the capping layer; and forming a conductive pad coupled to the second conductive structure in the opening.Type: ApplicationFiled: December 24, 2018Publication date: January 16, 2020Inventors: Chan-Bae KIM, Sang-Soo PARK, Tae-Hyeok LEE
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Patent number: 10535859Abstract: Disclosed herein is a pouch-shaped secondary battery including a micro-perforated electrode lead having adhesive properties that is capable of enabling a short circuit to occur in the pouch-shaped secondary battery using the adhesive properties of the micro-perforated electrode lead with respect to a pouch-shaped battery case in order to secure the safety of the pouch-shaped secondary battery when the pouch-shaped secondary battery swells due to gas generated in the pouch-shaped secondary battery while the pouch-shaped secondary battery is in an abnormal state or when the pouch-shaped secondary battery is overcharged. Current is prevented from flowing in the pouch-shaped secondary battery when the pouch-shaped secondary battery is overcharged or when the pouch-shaped secondary battery is in an abnormal state.Type: GrantFiled: April 9, 2018Date of Patent: January 14, 2020Assignee: LG Chem, Ltd.Inventors: Do Gyun Kim, Sang Sok Jung, Byoung Kook Lee, Byoung Gu Lee, Hang Soo Shin, Geon Woo Min, Chan Bae Kim