Patents by Inventor Sang-Won Byun
Sang-Won Byun 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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Patent number: 12263536Abstract: The present invention relates to a secondary battery and a method for manufacturing same, and the technical problem to be solved is to prevent damage due to fatigue loading that may occur during ultrasonic welding between an electrode tab and an auxiliary tab, by strongly laser welding between the auxiliary tab and a current collecting portion of a single plate.Type: GrantFiled: January 3, 2020Date of Patent: April 1, 2025Assignee: Samsung SDI Co., Ltd.Inventors: Ho Jun Shin, Sang Won Byun, Young Sik Moon
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Publication number: 20240247408Abstract: The present invention relates to a fiber-nanowire composite-based sheet having super-amphiphilic characteristics. In the present invention, fibers including metal nanoparticles or metal oxide nanoparticles embedded in the fibers or located on the surface of the fibers are synthesized, and a sheet based on a composite in which metal nanowires or metal oxide nanowires have been grown from the above fibers is provided. A sheet of the present invention has super-amphiphilic characteristics and can be used in various fields such as the antibacterial filter field, the antibacterial film field, the antiviral filter field, the antiviral film field, the antifouling coating field, the drug delivery vehicle field, or the water treatment filter field.Type: ApplicationFiled: April 3, 2024Publication date: July 25, 2024Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Young Keun KIM, Jung Bae KIM, Sang Won BYUN, Bum Chul PARK, Young Jun Ju
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Publication number: 20240195028Abstract: The present disclosure relates to a secondary battery. The secondary battery includes a first case having a hexahedral shape, a second case having a hexahedral shape, and coupled to the first case, an electrode assembly in the first case and the second case, a pair of current collector plates electrically connected to the electrode assembly, and electrically connected to the first case and the second case, respectively, and a sealing member including an insulating material between the first case and the second case.Type: ApplicationFiled: October 11, 2023Publication date: June 13, 2024Inventors: Sang Won BYUN, Jang Suk HYUN, A Rum YU, Hyun Ki JUNG
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Patent number: 11993866Abstract: The present invention relates to a fiber-nanowire composite-based sheet having super-amphiphilic characteristics. In the present invention, fibers including metal nanoparticles or metal oxide nanoparticles embedded in the fibers or located on the surface of the fibers are synthesized, and a sheet based on a composite in which metal nanowires or metal oxide nanowires have been grown from the above fibers is provided. A sheet of the present invention has super-amphiphilic characteristics and can be used in various fields such as the antibacterial filter field, the antibacterial film field, the antiviral filter field, the antiviral film field, the antifouling coating field, the drug delivery vehicle field, or the water treatment filter field.Type: GrantFiled: December 16, 2021Date of Patent: May 28, 2024Assignee: Korea University Research and Business FoundationInventors: Young Keun Kim, Jung Bae Kim, Sang Won Byun, Bum Chul Park, Young Jun Ju
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Patent number: 11575183Abstract: The present invention comprises: an electrode assembly in which a separator is interposed in between a first electrode and a second electrode; a case for accommodating the electrode assembly; a cap plate for sealing an opening at the upper end of the case, wherein a first terminal electrically connected to the first electrode of the electrode assembly is integrally formed with the cap plate; at least one stepped portion protruding upward from the cap plate; and a plate terminal arranged on the exterior of the cap plate, wherein the plate terminal is provided with, on a bottom part thereof, a recessed groove having a size and a depth corresponding to the size and the height of the stepped portion. A secondary battery, according to one embodiment of the present invention, is provided with the protruding stepped portion on the cap plate so that the terminal can be fixed so as to prevent shifting to the left or to the right.Type: GrantFiled: June 19, 2017Date of Patent: February 7, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Hyun Soo Lee, Sang Won Byun
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Patent number: 11522256Abstract: A secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate, and electrode uncoated portions protruding at opposite sides of the electrode assembly, a case accommodating the electrode assembly; a current collector including an electrode connecting portion located at a region corresponding to an electrode uncoated portion of the electrode uncoated portions and including a coupling groove located in a surface of the electrode connecting portion, and a terminal connecting portion bent from the electrode connecting portion and extending over the electrode assembly; and a sub-tab including a first region coupled to the coupling groove, and a second region bent from the first region and connected to the electrode uncoated portion.Type: GrantFiled: February 20, 2020Date of Patent: December 6, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Hyun Soo Lee, Ho Jun Shin, Jun Min Choi, Sang Won Kim, Sang Won Byun
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Patent number: 11476550Abstract: Various embodiments of the present invention pertain to a secondary battery, and a technical problem thereof to be solved is providing a secondary battery that is capable of equalizing internal/external pressure. To this end, disclosed in the present invention is a secondary battery comprising: an electrode assembly; a case that accommodates the electrode assembly; a cap plate that seals the case, and that has a safety vent that is ruptured when internal pressure of the case rises; a terminal portion that is electrically connected to the electrode assembly, and that extends outwardly from the cap plate; and a pressure equalization structure that is formed on the cap plate so as to equalize the internal pressure and external pressure of the case.Type: GrantFiled: April 18, 2018Date of Patent: October 18, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Min Seok Koo, Sang Won Byun, Hyun Soo Lee, Hyun Young Lim, Jun Min Choi
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Patent number: 11380954Abstract: Various embodiments of the present invention relate to a secondary battery, and the technical problem to be solved is to provide a secondary battery having a cathode terminal-integrated cap plate, which prevents the occurrence of weld defects during welding of a bus bar. To this end, the present disclosure provides a secondary battery comprising: a case; an electrode assembly received in the case; and a cap plate coupled to the case so as to protect the electrode assembly, wherein the cap plate includes a terminal part to which the electrode assembly is electrically connected and which is formed integrally with the cap plate, and the terminal part is thicker than the cap plate.Type: GrantFiled: April 13, 2018Date of Patent: July 5, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Dae Young Kim, Jun Sun Yong, Seung Ho Kwak, Yong Chul Seo, Sang Won Byun, Hyun Soo Lee
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Publication number: 20220186402Abstract: The present invention relates to a fiber-nanowire composite-based sheet having super-amphiphilic characteristics. In the present invention, fibers including metal nanoparticles or metal oxide nanoparticles embedded in the fibers or located on the surface of the fibers are synthesized, and a sheet based on a composite in which metal nanowires or metal oxide nanowires have been grown from the above fibers is provided. A sheet of the present invention has super-amphiphilic characteristics and can be used in various fields such as the antibacterial filter field, the antibacterial film field, the antiviral filter field, the antiviral film field, the antifouling coating field, the drug delivery vehicle field, or the water treatment filter field.Type: ApplicationFiled: December 16, 2021Publication date: June 16, 2022Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Young Keun KIM, Jung Bae KIM, Sang Won BYUN, Bum Chul PARK, Young Jun Ju
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Patent number: 11342636Abstract: A secondary battery includes: an electrode assembly including a main tab; a current collecting member adjacent the main tab; and a sub-tab electrically connecting the main tab to the current collecting member. The main tab is in and welded to the sub-tab, and the sub-tab and the main tab are bent in the same direction on the current collecting member.Type: GrantFiled: November 2, 2018Date of Patent: May 24, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Hyun Soo Lee, Jeong Won Oh, Sang Won Byun
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Publication number: 20220135424Abstract: A multi-component mesocrystalline nanoparticle is provided. The multi-component mesocrystalline nanoparticle includes an iron oxide nanocluster; and metal oxide nanocrystals bound to a surface of the iron oxide.Type: ApplicationFiled: July 28, 2021Publication date: May 5, 2022Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Young Keun KIM, Min Jun KO, Sang Won BYUN, Bum Chul PARK, Thomas Myeongseok KOO
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Publication number: 20220029253Abstract: The present invention relates to a secondary battery and a method for manufacturing same, and the technical problem to be solved is to prevent damage due to fatigue loading that may occur during ultrasonic welding between an electrode tab and an auxiliary tab, by strongly laser welding between the auxiliary tab and a current collecting portion of a single plate.Type: ApplicationFiled: January 3, 2020Publication date: January 27, 2022Inventors: Ho Jun SHIN, Sang Won BYUN, Young Sik MOON
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Publication number: 20210175567Abstract: Various embodiments of the present invention relate to a secondary battery, and the technical problem to be solved is to provide a secondary battery having a cathode terminal-integrated cap plate, which prevents the occurrence of weld defects during welding of a bus bar. To this end, the present disclosure provides a secondary battery comprising: a case; an electrode assembly received in the case; and a cap plate coupled to the case so as to protect the electrode assembly, wherein the cap plate includes a terminal part to which the electrode assembly is electrically connected and which is formed integrally with the cap plate, and the terminal part is thicker than the cap plate.Type: ApplicationFiled: April 13, 2018Publication date: June 10, 2021Inventors: Dae Young KIM, Jun Sun YONG, Seung Ho KWAK, Yong Chul SEO, Sang Won BYUN, Hyun Soo LEE
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Patent number: 10998534Abstract: A secondary battery, which can improve reliability by allowing a membrane to be maintained in a short-circuited state until a preset current level is reached, includes an electrode assembly including a first electrode plate and a second electrode plate, a case accommodating the electrode assembly, a cap plate coupled to an opening of the case and electrically connected to the first electrode plate, an electrode terminal including a terminal plate passing through the cap plate and electrically connected to the second electrode plate, and an asymmetrically shaped inversion plate coupled to the cap plate and configured to perform an inversion operation when an internal pressure of the case exceeds a reference pressure.Type: GrantFiled: March 12, 2019Date of Patent: May 4, 2021Assignee: Samsung SDI Co., Ltd.Inventors: Hyun Soo Lee, Sang Won Byun
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Patent number: 10910626Abstract: A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a first lead tab electrically connected to the first electrode; a second lead tab electrically connected to the second electrode; a case accommodating the electrode assembly, the first lead tab, and the second lead tab therein, with an opening in a top of the case; a cap plate closing the opening of the case; and a bottom retainer on a bottom interior of the case, the bottom interior facing the top of the case, the bottom retainer including a non-contact region not in contact with the bottom interior of the case.Type: GrantFiled: March 19, 2015Date of Patent: February 2, 2021Assignee: SAMSUNG SDI CO., LTD.Inventors: Won-Jun Lee, Sang-Won Byun, Hong-Hyeon Lee
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Publication number: 20200303713Abstract: A secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate, and electrode uncoated portions protruding at opposite sides of the electrode assembly, a case accommodating the electrode assembly; a current collector including an electrode connecting portion located at a region corresponding to an electrode uncoated portion of the electrode uncoated portions and including a coupling groove located in a surface of the electrode connecting portion, and a terminal connecting portion bent from the electrode connecting portion and extending over the electrode assembly; and a sub-tab including a first region coupled to the coupling groove, and a second region bent from the first region and connected to the electrode uncoated portion.Type: ApplicationFiled: February 20, 2020Publication date: September 24, 2020Inventors: Hyun Soo LEE, Ho Jun SHIN, Jun Min CHOI, Sang Won KIM, Sang Won BYUN
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Publication number: 20200227715Abstract: Various embodiments of the present invention pertain to a secondary battery, and a technical problem thereof to be solved is providing a secondary battery that is capable of equalizing internal/external pressure. To this end, disclosed in the present invention is a secondary battery comprising: an electrode assembly; a case that accommodates the electrode assembly; a cap plate that seals the case, and that has a safety vent that is ruptured when internal pressure of the case rises; a terminal portion that is electrically connected to the electrode assembly, and that extends outwardly from the cap plate; and a pressure equalization structure that is formed on the cap plate so as to equalize the internal pressure and external pressure of the case.Type: ApplicationFiled: April 18, 2018Publication date: July 16, 2020Inventors: Min Seok KOO, Sang Won BYUN, Hyun Soo LEE, Hyun Young LIM, Jun Min CHOI
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Patent number: 10665828Abstract: An exemplary embodiment of the present disclosure provides a rechargeable battery including: an electrode assembly that includes a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode; a case that accommodates the electrode assembly, in one lateral surface of which a hole is formed, and that includes an opening formed in another lateral surface facing the one lateral surface; a sealing portion that is connected to the hole and seals the hole so that a lateral surface of the case is flattened; a cap plate combined with the opening; and a second terminal that is connected to the second electrode and is protruded outside the case while passing through the cap plate, wherein the hole may have a shape recessed toward the electrode assembly with respect to a surface of the case.Type: GrantFiled: May 2, 2016Date of Patent: May 26, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Yoon-Tai Kwak, Sang-Won Byun, Kwan-Hyung Lee
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Patent number: 10651454Abstract: A rechargeable battery includes an electrode assembly including first and second electrodes, a case in which the electrode assembly is accommodated, a cap plate combined to an opening of the case, the cap plate including a first terminal hole and a second terminal hole, a first electrode terminal passing through the first terminal hole of the cap plate and a second electrode terminal passing through the second terminal hole of the cap plate, and a lead tab connecting the electrode assembly to the second electrode terminal. The second electrode terminal includes a press-fit portion protruding therefrom, the press-fit portion being press-fitted to the second terminal hole of the cap plate.Type: GrantFiled: October 14, 2015Date of Patent: May 12, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Myung-Jae Jang, Chi-Young Lee, Sang-Won Byun
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Patent number: 10651457Abstract: A battery module includes a first rechargeable battery and a second rechargeable battery electrically coupled in series to each other, the first rechargeable battery and the second rechargeable battery each including a first electrode and a second electrode, and the first rechargeable battery and second rechargeable battery each including a short circuit member that deforms when an internal pressure of the respective one of the first rechargeable battery and second rechargeable battery exceeds a predetermined pressure, and a fuse member including a first pad electrically coupled to the second electrode of the second rechargeable battery, a second pad overlapping the short-circuit member of the second rechargeable battery, and a plurality of fuses formed between the first pad and the second pad, wherein widths of the fuses are smaller than widths of the first and second pads.Type: GrantFiled: April 27, 2016Date of Patent: May 12, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Sang-Won Byun, Jeong-Won Oh, Sang-Kyoon Park