Patents by Inventor Duck Joong Yun
Duck Joong Yun 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: 20240033774Abstract: A die coater inspection device including: a sensor module configured to inspect a lip or the shim of the die coater; a control part configured to control an operation of the sensor module; and a storage part in which reference data on the thickness of the lip or the shim is stored.Type: ApplicationFiled: July 7, 2021Publication date: February 1, 2024Applicant: LG Energy Solution, Ltd.Inventors: Do Hyun Lee, Eui Seok Sa, Myung Han Lee, Duck Joong Yun, Jeong Yong Lee, Woo Jin An
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Publication number: 20230173527Abstract: A device for inspecting a die coater including a first die, a second die, and a shim formed between the first die and the second die, includes a rail formed to be fixed long on one surface of the first die in a longitudinal direction of the die coater, and at least one sensor assembly configured to move along the rail and inspect a lip or the shim of the die coater, wherein the sensor assembly includes a movable part moving along the rail in the longitudinal direction of the die coater, and a sensor module connected to the movable part, and configured to move in a thickness direction of the die coater and inspect the lip or the shim.Type: ApplicationFiled: July 7, 2021Publication date: June 8, 2023Applicant: LG Energy Solution, Ltd.Inventors: Do Hyun Lee, Seong Su Park, Myung Han Lee, Duck Joong Yun, Woo Jin An
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Publication number: 20230118174Abstract: Disclosed herein is a roundness measuring device and a roundness measuring method of a coating roll for battery manufacturing. The roundness measuring device of a coating roll that supports an electrode sheet when the electrode sheet is coated with an electrode slurry, the roundness measuring device comprising: a displacement sensor spaced apart from the coating roll and configured to measure roundness of the coating roll in a non-contact manner; and a support member on which the displacement sensor is installed and which extends in a length direction of the coating roll, wherein the displacement sensor is installed as a plurality of displacement sensors on the support member in the length direction of the coating roll.Type: ApplicationFiled: January 5, 2022Publication date: April 20, 2023Applicant: LG Energy Solution, Ltd.Inventors: Jae Young Sung, Joon Sun Park, Chae Gyu Lee, Duck Joong Yun, Jeong Yong Lee, Woo Jin An, Koo Youn Hwang, Won Hak Cho, Jin Ki Han
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Publication number: 20230032166Abstract: A system for manufacturing an electrode for a secondary battery is disclosed herein. In an embodiment, the system for manufacturing the electrode for the secondary battery comprises a supply roller for supplying a collector having a long sheet shape; an electrode active material coating device for applying an electrode active material to a surface of the collector supplied by the supply roller to manufacture an unfinished electrode; a rolling roller for rolling a surface of the unfinished electrode and adjusting a thickness of the electrode active material to manufacture a finished electrode; and an electrode quality inspection device for inspecting quality of the electrode through a surface roughness value of the rolling roller, a surface roughness value of the surface of the electrode, and a rolling load value of the rolling roller.Type: ApplicationFiled: October 6, 2022Publication date: February 2, 2023Applicant: LG Energy Solution, Ltd.Inventors: Nam Won Kim, Pil Kyu Park, Han Gab Song, Duck Joong Yun, Dae Hyun Kim, An Soo Jeong
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Patent number: 11539044Abstract: The present disclosure relates to a secondary battery electrode, a manufacturing method for the same, and an electrode assembly, and more particularly, to a secondary battery electrode, a manufacturing method for the same, and an electrode assembly having improved stability. In accordance with an exemplary embodiment, a secondary battery electrode includes a current collector that extends in one direction, a first active material layer provided on one surface of the current collector and including a first inclined portion and a first protruding portion, and a second active material layer provided on the other surface of the current collector and including a second inclined portion and a second protruding portion. In particular, a position of the second protruding portion is controlled on the second active material layer to be disposed at a position that is not directly opposite to the first inclined portion with respect to the current collector.Type: GrantFiled: August 20, 2018Date of Patent: December 27, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Nam Won Kim, Pil Kyu Park, Han Gab Song, Duck Joong Yun, Dea Hyun Kim, An Soo Jeong
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Patent number: 11495783Abstract: A system for manufacturing an electrode for a secondary battery is disclosed herein. In an embodiment, the system for manufacturing the electrode for the secondary battery comprises a supply roller for supplying a collector having a long sheet shape; an electrode active material coating device for applying an electrode active material to a surface of the collector supplied by the supply roller to manufacture an unfinished electrode; a rolling roller for rolling a surface of the unfinished electrode and adjusting a thickness of the electrode active material to manufacture a finished electrode; and an electrode quality inspection device for inspecting quality of the electrode through a surface roughness value of the rolling roller, a surface roughness value of the surface of the electrode, and a rolling load value of the rolling roller.Type: GrantFiled: June 27, 2018Date of Patent: November 8, 2022Inventors: Nam Won Kim, Pil Kyu Park, Han Gab Song, Duck Joong Yun, Dae Hyun Kim, An Soo Jeong
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Publication number: 20220140304Abstract: A slitter according to an embodiment of the present art includes: an upper knife disposed above the electrode plate to rotate, thereby cutting the electrode plate; and a lower knife disposed below the electrode plate to partially overlap the upper knife and rotate, thereby cutting the electrode plate together with the upper knife, wherein the upper knife includes: a first inner surface extending to be inclined from a tip formed at the lowermost end to the lower knife; and an outer circumferential surface extending to be inclined from the tip to an opposite side of the lower knife, wherein the first inner surface has an inclination at a first angle from a vertical line V that is perpendicular to a rotation axis that serves as a rotation center of the upper knife, and the outer circumferential surface has an inclination at a second angle from the vertical line.Type: ApplicationFiled: October 5, 2020Publication date: May 5, 2022Applicant: LG Energy Solution, Ltd.Inventors: Duck Joong Yun, Wonjun Song, Minsu Pak
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Patent number: 11072007Abstract: The present invention relates to a system for manufacturing an electrode for a secondary battery. The system for manufacturing the electrode for the secondary battery comprises a supply roller supplying a collector having a long sheet shape; an electrode active material coating device applying an electrode active material to a surface of the collector supplied by the supply roller to manufacture an unfinished electrode; a rolling roller rolling a surface of the unfinished electrode and adjusting a thickness of the electrode active material to manufacture a finished electrode; and an electrode quality inspection device inspecting quality of the electrode through a surface roughness value of the rolling roller and a surface roughness value of the electrode.Type: GrantFiled: July 3, 2018Date of Patent: July 27, 2021Inventors: An Soo Jeong, Pil Kyu Park, Han Gab Song, Duck Joong Yun, Dae Hyun Kim, Nam Won Kim
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Publication number: 20210126249Abstract: The present disclosure relates to a secondary battery electrode, a manufacturing method for the same, and an electrode assembly, and more particularly, to a secondary battery electrode, a manufacturing method for the same, and an electrode assembly having improved stability. In accordance with an exemplary embodiment, a secondary battery electrode includes a current collector that extends in one direction, a first active material layer provided on one surface of the current collector and including a first inclined portion and a first protruding portion, and a second active material layer provided on the other surface of the current collector and including a second inclined portion and a second protruding portion. In particular, a position of the second protruding portion is controlled on the second active material layer to be disposed at a position that is not directly opposite to the first inclined portion with respect to the current collector.Type: ApplicationFiled: August 20, 2018Publication date: April 29, 2021Applicant: LG CHEM, LTD.Inventors: Nam Won KIM, Pil Kyu PARK, Han Gab SONG, Duck Joong YUN, Dea Hyun KIM, An Soo JEONG
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Publication number: 20190319256Abstract: A system for manufacturing an electrode for a secondary battery is disclosed herein. In an embodiment, the system for manufacturing the electrode for the secondary battery comprises a supply roller for supplying a collector having a long sheet shape; an electrode active material coating device for applying an electrode active material to a surface of the collector supplied by the supply roller to manufacture an unfinished electrode; a rolling roller for rolling a surface of the unfinished electrode and adjusting a thickness of the electrode active material to manufacture a finished electrode; and an electrode quality inspection device for inspecting quality of the electrode through a surface roughness value of the rolling roller, a surface roughness value of the surface of the electrode, and a rolling load value of the rolling roller.Type: ApplicationFiled: June 27, 2018Publication date: October 17, 2019Applicant: LG Chem, Ltd.Inventors: Nam Won Kim, Pil Kyu Park, Han Gab Song, Duck Joong Yun, Dae Hyun Kim, An Soo Jeong
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Publication number: 20190201952Abstract: The present invention relates to a system for manufacturing an electrode for a secondary battery. The system for manufacturing the electrode for the secondary battery comprises a supply roller supplying a collector having a long sheet shape; an electrode active material coating device applying an electrode active material to a surface of the collector supplied by the supply roller to manufacture an unfinished electrode; a rolling roller rolling a surface of the unfinished electrode and adjusting a thickness of the electrode active material to manufacture a finished electrode; and an electrode quality inspection device inspecting quality of the electrode through a surface roughness value of the rolling roller and a surface roughness value of the electrode.Type: ApplicationFiled: July 3, 2018Publication date: July 4, 2019Applicant: LG Chem, Ltd.Inventors: An Soo Jeong, Pil Kyu Park, Han Gab Song, Duck Joong Yun, Dae Hyun Kim, Nam Won Kim