Patents by Inventor Gyu Jin CHUNG
Gyu Jin CHUNG 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: 20240128796Abstract: A power transfer system includes an electric vehicle supply equipment (EVSE) for providing electric power to an electric vehicle (EV) and an electric power reception device mounted in the EV; a first conductor plate electrically connected to a primary-side circuit of the EVSE; a compensation circuit for transferring a power input signal of the EVSE to the first conductor plate; a second conductor plate disposed in the EV and connected to the electric power reception device; and a secondary-side circuit for transferring a power signal received by the second conductor plate to a load, where the electric power is transferred from the EVSE to the EV by capacitive coupling between the first conductor plate and the second conductor plate.Type: ApplicationFiled: October 6, 2023Publication date: April 18, 2024Inventors: Eui Hoon Chung, Gyu Yeong Choe, Young Jin Kim, Sung Hyuk Choi, Jung Ik Ha
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Patent number: 11862777Abstract: A battery module includes: a plurality of battery cells stacked in a horizontal direction; a first plate supporting lower sides of the plurality of the battery cells and dissipating heat generated in the battery cells; and a second plate in contact with upper sides of the battery cells and dissipating heat generated in the battery cells, wherein the second plate comprises accommodation grooves to receive corresponding sealing portions formed in the upper sides of the battery cells, wherein a heat transfer material having a dielectric strength of from 10 kV/mm to 30 kV/mm is disposed in the accommodation grooves.Type: GrantFiled: July 27, 2021Date of Patent: January 2, 2024Assignee: SK ON CO., LTD.Inventors: Gyu Jin Chung, Ju Yong Park, Sun Mo An
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Patent number: 11824209Abstract: A pouch-type secondary battery includes an electrode assembly; and a pouch member comprising an accommodating portion configured to accommodate the electrode assembly therein, a sealing portion formed at an edge of the accommodating portion, and an indent portion formed of a cutting edge cut at a plurality of angles and a rounded edge cut to connect the cutting edges adjacent to each other in a portion of the sealing portion corresponding to a vertex of the accommodating portion.Type: GrantFiled: November 29, 2022Date of Patent: November 21, 2023Assignee: SK ON CO., LTD.Inventors: Tae Il Kim, Jae Man Seo, Jeong Sam Son, Gyu Jin Chung
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Patent number: 11749858Abstract: A bus bar includes terminal portions disposed at both ends, respectively; a plurality of bridges disposed between the terminal portions to electrically connect the terminal portions, and to be sequentially fused when an overcurrent flows. The plurality of bridges may be configured to have different resistance values, respectively.Type: GrantFiled: January 14, 2022Date of Patent: September 5, 2023Assignee: SK ON CO., LTD.Inventors: Sol San Son, Dong Ha Hwang, Seok Min Kim, Seo Roh Rhee, Ji Seok Lee, Gyu Jin Chung, Seung Hoon Ju, Yang Kyu Choi
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Publication number: 20230238601Abstract: A pouch-type secondary battery includes an electrode assembly, and a pouch member in which the electrode assembly is accommodated and a sealing portion is formed on an edge of the pouch member, where the sealing portion protruding on one side surface extends in a diagonal direction towards the other side surface adjacent to the at least one side surface.Type: ApplicationFiled: March 29, 2023Publication date: July 27, 2023Inventors: Gyu Jin CHUNG, Sun Mo AN, Tae Il KIM, Won Seok JEONG
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Publication number: 20230198090Abstract: A battery module is provided comprising a plurality of battery cells and a housing having an internal space in which the plurality of battery cells are accommodated. The housing is at least partially formed of a plate member which is connected with the internal space. The plate member forms a flame or gas path which in an event of a battery cell malfunction generating a flame or gas is configured to discharge the generated flame or gas externally of the housing.Type: ApplicationFiled: February 23, 2023Publication date: June 22, 2023Inventors: Seo Roh Rhee, Hae Ryong Jeon, Gyu Jin Chung
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Patent number: 11641038Abstract: A pouch-type secondary battery includes an electrode assembly, and a pouch member in which the electrode assembly is accommodated and a sealing portion is formed on an edge of the pouch member, where the sealing portion protruding on one side surface extends in a diagonal direction towards the other side surface adjacent to the at least one side surface.Type: GrantFiled: March 9, 2020Date of Patent: May 2, 2023Assignee: SK ON CO., LTD.Inventors: Gyu Jin Chung, Sun Mo An, Tae Il Kim, Won Seok Jeong
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Publication number: 20230110119Abstract: A battery module including: a battery stack of battery cells having opposite ends to which a plurality of electrode tabs are connected; end-side bus bar assemblies formed at opposite ends of the battery stack, respectively, and electrically connecting the electrode tabs of the battery cells; and a case accommodating the battery stack and the end-side bus bar assemblies.Type: ApplicationFiled: December 14, 2022Publication date: April 13, 2023Inventors: Gyu Jin CHUNG, Seok Min KIM, Ji Seok LEE
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Publication number: 20230090717Abstract: A pouch-type secondary battery includes an electrode assembly; and a pouch member comprising an accommodating portion configured to accommodate the electrode assembly therein, a sealing portion formed at an edge of the accommodating portion, and an indent portion formed of a cutting edge cut at a plurality of angles and a rounded edge cut to connect the cutting edges adjacent to each other in a portion of the sealing portion corresponding to a vertex of the accommodating portion.Type: ApplicationFiled: November 29, 2022Publication date: March 23, 2023Inventors: Tae Il Kim, Jae Man Seo, Jeong Sam Son, Gyu Jin Chung
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Patent number: 11605861Abstract: A battery module is provided comprising a plurality of battery cells and a housing having an internal space in which the plurality of battery cells are accommodated. The housing is at least partially formed of a plate member which is connected with the internal space. The plate member forms a flame or gas path which in an event of a battery cell malfunction generating a flame or gas is configured to discharge the generated flame or gas externally of the housing.Type: GrantFiled: April 8, 2021Date of Patent: March 14, 2023Assignee: SK ON CO., LTD.Inventors: Seo Roh Rhee, Hae Ryong Jeon, Gyu Jin Chung
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Patent number: 11557806Abstract: A battery module including: a battery stack of battery cells having opposite ends to which a plurality of electrode tabs are connected; end-side bus bar assemblies formed at opposite ends of the battery stack, respectively, and electrically connecting the electrode tabs of the battery cells; and a case accommodating the battery stack and the end-side bus bar assemblies.Type: GrantFiled: April 14, 2020Date of Patent: January 17, 2023Assignee: SK ON CO., LTD.Inventors: Gyu Jin Chung, Seok Min Kim, Ji Seok Lee
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Patent number: 11539089Abstract: A pouch-type secondary battery includes an electrode assembly; and a pouch member comprising an accommodating portion configured to accommodate the electrode assembly therein, a sealing portion formed at an edge of the accommodating portion, and an indent portion formed of a cutting edge cut at a plurality of angles and a rounded edge cut to connect the cutting edges adjacent to each other in a portion of the sealing portion corresponding to a vertex of the accommodating portion.Type: GrantFiled: May 28, 2020Date of Patent: December 27, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Tae Il Kim, Jae Man Seo, Jeong Sam Son, Gyu Jin Chung
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Publication number: 20220407187Abstract: The present disclosure relates to a battery module comprising: a plurality of battery cells each including an electrode tab; and a bus bar connected to the electrode tab to electrically connect the plurality of battery cells to each other. The bus bar includes a plate having a plurality of holes. The electrode tab of each of the battery cells is inserted into at least a part of the plurality of holes of the plate. The electrode tab inserted into the hole and the plate are coupled to each other by a welding bead, and the welding bead has a width and a height defined by Equations 1 and 2, respectively.Type: ApplicationFiled: November 20, 2020Publication date: December 22, 2022Inventors: Gyu Jin CHUNG, Majid ABBASI GHARACHEH, Yun Jo RO, Seung Hoon JU
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Publication number: 20220238948Abstract: The present invention relates to a battery module. The battery module according to the present invention includes a housing having an internal accommodation space; and a plurality of battery cells disposed in the internal accommodation space, in which the housing includes a weld joint in which a first base material of a first aluminum-based alloy and a second base material of a second aluminum-based alloy are welded, and at least a partial region of a bead surface of the weld joint is located inward with respect to a reference plane, with an imaginary plane, which connects an outer surface of the first base material and an outer surface of the second base material in contact with the weld joint, as the reference plane.Type: ApplicationFiled: January 25, 2022Publication date: July 28, 2022Inventors: Hoemin CHEONG, Ho Yeon KIM, Gyu Jin CHUNG
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Publication number: 20220140444Abstract: A bus bar includes terminal portions disposed at both ends, respectively; a plurality of bridges disposed between the terminal portions to electrically connect the terminal portions, and to be sequentially fused when an overcurrent flows. The plurality of bridges may be configured to have different resistance values, respectively.Type: ApplicationFiled: January 14, 2022Publication date: May 5, 2022Inventors: Sol San SON, Dong Ha HWANG, Seok Min KIM, Seo Roh RHEE, Ji Seok LEE, Gyu Jin CHUNG, Seung Hoon JU, Yang Kyu CHOI
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Publication number: 20220102818Abstract: A battery cell includes a casing having an accommodation space formed therein and having one or both ends open; a cover plate covering one or both open ends of the casing; and an electrode assembly accommodated in the accommodation space, in which a plurality of electrode plates are stacked with a separator interposed therebetween. The electrode assembly includes electrode connection portions, respectively extending from the plurality of electrode plates; and a terminal bonded to the electrode connection portion and having a portion exposed outwardly through the cover plate.Type: ApplicationFiled: September 27, 2021Publication date: March 31, 2022Inventors: Seo Roh Rhee, Gyu Jin Chung, Won Seok Jeong, Ha Chul Jeong, Yang Kyu Choi
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Publication number: 20220085429Abstract: Disclosed are a battery cell assembly for a secondary battery, the battery cell assembly for a secondary battery comprising: at least one battery cell; and a first frame disposed on one side of the at least one battery cell; and a second frame which is disposed on the other side of the at least one battery cell so as to face the first frame and which is coupled to the first frame so as to protect the edge of the at least one battery cell together with the first frame. The present invention uses a frame type cell support which retains and supports at least one battery cell without separation, thereby providing a battery cell assembly for a secondary battery, namely a sub-battery module receiving body, having improved structural stability and assembly convenience, and a secondary battery comprising the same.Type: ApplicationFiled: November 23, 2021Publication date: March 17, 2022Inventors: Tae Gu LEE, O Sung KWON, Gyu Jin CHUNG, Young Ki KIM
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Patent number: 11271271Abstract: A bus bar includes terminal portions disposed at both ends, respectively; a plurality of bridges disposed between the terminal portions to electrically connect the terminal portions, and to be sequentially fused when an overcurrent flows. The plurality of bridges may be configured to have different resistance values, respectively.Type: GrantFiled: August 6, 2019Date of Patent: March 8, 2022Assignee: SK INNOVATION CO., LTD.Inventors: Sol San Son, Dong Ha Hwang, Seok Min Kim, Seo Roh Rhee, Ji Seok Lee, Gyu Jin Chung, Seung Hoon Ju, Yang Kyu Choi
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Patent number: 11196105Abstract: Disclosed are a battery cell assembly for a secondary battery, the battery cell assembly for a secondary battery including at least one battery cell; a first frame disposed on one side of the at least one battery cell; and a second frame which is disposed on the other side of the at least one battery cell so as to face the first frame and which is coupled to the first frame so as to protect the edge of the at least one battery cell together with the first frame. The present invention uses a frame type cell support which retains and supports at least one battery cell without separation, thereby providing a battery cell assembly for a secondary battery, namely a sub-battery module receiving body, having improved structural stability and assembly convenience, and a secondary battery including the same.Type: GrantFiled: November 25, 2019Date of Patent: December 7, 2021Assignee: SK Innovation Co., Ltd.Inventors: Tae Gu Lee, O Sung Kwon, Gyu Jin Chung, Young Ki Kim
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Publication number: 20210359357Abstract: A battery module includes: a plurality of battery cells stacked in a horizontal direction; a first plate supporting lower sides of the plurality of the battery cells and dissipating heat generated in the battery cells; and a second plate in contact with upper sides of the battery cells and dissipating heat generated in the battery cells, wherein the second plate comprises accommodation grooves to receive corresponding sealing portions formed in the upper sides of the battery cells, wherein a heat transfer material having a dielectric strength of from 10 kV/mm to 30 kV/mm is disposed in the accommodation grooves.Type: ApplicationFiled: July 27, 2021Publication date: November 18, 2021Inventors: Gyu Jin CHUNG, Ju Yong PARK, Sun Mo AN