Patents by Inventor Myung Seob Kim
Myung Seob 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: 20240145881Abstract: A cylindrical secondary battery allowing the loss of space inside a case to be reduced is provided. As an example, a cylindrical secondary battery includes an electrode assembly including a first electrode plate, a separator, and a second electrode plate, a case, a terminal passing through an upper surface portion of the case and coupled to the case through a first gasket, a first current collector plate arranged between an upper surface of the electrode assembly and the case and electrically connecting the first electrode plate and the terminal, and a cap plate configured to seal a lower end portion of the case, the case including the upper surface portion having a flat plate shape, a central portion having a terminal hole and protruding outward further than the upper surface portion, and a side surface portion extending downward from an edge of the upper surface portion.Type: ApplicationFiled: September 13, 2023Publication date: May 2, 2024Inventors: Myung Seob KIM, Hyun Ki JUNG, Gun Gue PARK, Sung Gwi KO
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Publication number: 20240097251Abstract: An embodiment of the present invention relates to a cylindrical secondary battery in which a positive electrode terminal is adhered and fixed to a cylindrical can by an insulating sheet, and thus sealing between the cylindrical can and the positive electrode terminal can be facilitated due to an increased contact area.Type: ApplicationFiled: March 29, 2022Publication date: March 21, 2024Inventors: Hyun Ki JUNG, Byung Chul PARK, Gun Gue PARK, Gwan Hyeon YU, Jin Young MOON, Kyung Rok LEE, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
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Publication number: 20240097297Abstract: A cylindrical secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate; a cylindrical case having a disk-shaped top portion and a side portion extending from the top portion, the cylindrical case accommodating the electrode assembly; a cathode terminal extending through the top portion and insulated therefrom; a first current collector plate electrically connected to the first electrode plate and the cathode terminal; a second current collector plate electrically connected to the second electrode plate and the side portion of the cylindrical case; a cap plate coupled to the side portion and insulated therefrom; and an insulation tape between the top portion of the cylindrical case and the first current collector plate and covering the first current collector plate.Type: ApplicationFiled: August 16, 2023Publication date: March 21, 2024Inventors: Hyun Ki JUNG, Myung Seob KIM, Kyung Rok LEE, Jin Young MOON, Ho Jae LEE, Byung Chul PARK
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Publication number: 20230327245Abstract: A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate, a separator, and a negative electrode plate; a cylindrical can accommodating the electrode assembly, a lower end of the cylindrical can being electrically connected to the negative electrode plate; a terminal passing through a top surface of the cylindrical can and electrically connected to the positive electrode plate; and a cap plate coupled at the lower end of the cylindrical can. The cap plate is sealed to the lower end of the cylindrical can by welding.Type: ApplicationFiled: March 30, 2023Publication date: October 12, 2023Inventors: Myung Seob KIM, Sung Gwi KO, Hyun Ki JUNG, Kyung Rok LEE, Ho Jae LEE, Gun Gue PARK, Byung Chul PARK
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Publication number: 20230268620Abstract: The present invention relates to a secondary battery capable of reducing costs and increasing capacity. For example, disclosed is a secondary battery characterized by comprising: an electrode assembly including a first electrode, a second electrode, and a separator; a case accommodating the electrode assembly; and a cap assembly coupled to the upper portion of the case, wherein the first electrode comprises: a first current collector; a first current collecting tab structure extending from the first current collector and having a plurality of bent current collection parts; and a first lead tab electrically connected to the first current collecting tab structure, wherein, in the first current collecting tab structure, the width of the current collection parts increases from the center of the electrode assembly to the outside, and the distance between the current collection parts increases.Type: ApplicationFiled: February 7, 2022Publication date: August 24, 2023Inventors: Ho Jae LEE, Dae Kyu KIM, Hyun Ki JUNG, Myung Seob KIM, Won Sug LEE
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Publication number: 20230253568Abstract: The present disclosure relates to a secondary battery, and provides a secondary battery capable of reducing heat generation and improving safety by reducing a welding area.Type: ApplicationFiled: May 10, 2022Publication date: August 10, 2023Inventors: Hyun Ki JUNG, Myung Seob KIM, Won Sug LEE
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Publication number: 20230238616Abstract: A secondary battery includes: a cylindrical case; an electrode assembly accommodated in the cylindrical case and including a positive electrode and a negative electrode; and a cap assembly sealing the cylindrical case. The cap assembly includes: a cap-up electrically connected to the positive electrode; a terminal plate coupled to an upper portion of the cap-up and electrically connected to the negative electrode; and a first insulating gasket between the cap-up and the terminal plate.Type: ApplicationFiled: January 27, 2023Publication date: July 27, 2023Inventors: Woo Hyuk CHOI, Sung Gwi KO, Myung Seob KIM, Hyun Ki JUNG, Gwan Hyeon YU
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Publication number: 20230231242Abstract: A technical object to be solved according to the present disclosure is to provide a secondary battery which has reduced electrical resistance by directly connecting an electrode assembly to a can and/or a terminal without lead tabs and also has an increased battery capacity by removing lead tabs. To this end, the present disclosure provides a secondary battery comprising: a can; an electrode assembly accommodated in the can and including a first uncoated portion extending in a first direction and a second uncoated portion extending in a second direction opposite to the first direction; a first current collector plate electrically connected to the first uncoated portion of the electrode assembly; a first terminal portion coupled to the can and electrically connected to the first current collector plate; and a second terminal portion coupled to the can and electrically connected to the second uncoated portion of the electrode assembly.Type: ApplicationFiled: February 9, 2022Publication date: July 20, 2023Inventors: Myung Seob KIM, Gun Gue PARK, Won Sug LEE, Eui Kwang JEONG, Hyun Ki JEONG
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Publication number: 20230178826Abstract: A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate, a separator, and a negative electrode plate; a cylindrical can accommodating the electrode assembly and being electrically connected to the negative electrode plate, a lower end of the cylindrical can being open; a rivet terminal passing through an upper surface of the cylindrical can and electrically connected to the positive electrode plate; and a cap plate sealing the lower end of the cylindrical can, the cap plate having no electrical polarity.Type: ApplicationFiled: December 1, 2022Publication date: June 8, 2023Inventors: Jin Young MOON, Gun Gue PARK, Gwan Hyeon YU, Hyun Ki JUNG, Myung Seob KIM, Sung Gwi KO, Woo Hyuk CHOI
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Publication number: 20230146853Abstract: A cylindrical secondary battery including a can including a circular bottom part and a cylindrical side part having an opened one end, an electrode assembly in which a first electrode plate, a second electrode plate, and a separator are wound and which is accommodated in the can, and a collecting plate arranged in a direction toward the first electrode plate. The first electrode plate and the collecting plate, and the second electrode plate and the bottom part are electrically connected to each other in a non-welding manner. According to the embodiment, since the electrode assembly and the collecting plate and also the electrode assembly and the can are electrically connected to each other without the welding, the electrode assembly may be prevented or reduced from being damaged by foreign substances generated during the welding, thereby improving stability of the secondary battery.Type: ApplicationFiled: November 10, 2022Publication date: May 11, 2023Inventors: Won Sug LEE, Ho Jae LEE, Jung Hyun PARK, Joo Youn SHIN, Myung Seob KIM, Ye Eun SHIN
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Patent number: 10619143Abstract: The present invention relates to a method for producing a botulinum toxin comprising: (a) treating a culture of a botulinum toxin-producing strain with acid to form a botulinum toxin-containing precipitate; (b) adding a buffer to the botulinum toxin-containing precipitate of step (a), followed by clarification by at least one method selected from the group consisting of depth filtration (DF), microfiltration (MF), ultrafiltration (UF), sterile filtration, membrane chromatography (MC) and centrifugation; (c) subjecting the botulinum toxin-containing solution of step (b) to UF diafiltration, ammonium sulfate precipitation or hydrochloric acid precipitation, and then diluting a retentate resulting from the UF diafiltration in a buffer or dissolving a precipitate resulting from the ammonium sulfate precipitation or hydrochloric acid precipitate in a buffer; and (d) subjecting the retentate dilution, ammonium sulfate precipitate solution or hydrochloric acid precipitate solution of step (c) to anion-exchange chromType: GrantFiled: November 23, 2016Date of Patent: April 14, 2020Assignee: DAEWOONG CO., LTD.Inventors: Kyoung-Yun Kim, Chung Sei Kim, Myung Seob Kim, Hye-Young Sul
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Patent number: 10619079Abstract: Provided are a seal tape and a secondary battery. The seal tape for adhering an electrode assembly includes a pressure-sensitive adhesive layer including a cured product of a pressure-sensitive adhesive composition including a polymer including a polar functional group-containing monomer as a polymerization unit, and is expanded in contact with an electrolyte solution to be detached from the electrode assembly, and therefore, isotropic volume expansion and contraction of the electrode assembly may be induced by repeated charging and discharging of a secondary battery and a disconnection phenomenon in which an electrode is disconnected may be prevented.Type: GrantFiled: August 14, 2014Date of Patent: April 14, 2020Assignee: LG Chem, Ltd.Inventors: Min Soo Park, Yoon Tae Hwang, Mun Sung Kim, Myung Seob Kim, Se Woo Yang, Jung Kyu Lee, Young Wook Kim
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Patent number: 10435597Abstract: Provided are a seal tape and a secondary battery. The seal tape for adhering an electrode assembly includes a pressure-sensitive adhesive layer including a cured product of a pressure-sensitive adhesive composition including a polymer including a polar functional group-containing monomer as a polymerization unit, and is expanded in contact with an electrolyte solution to be detached from the electrode assembly, and therefore, isotropic volume expansion and contraction of the electrode assembly may be induced by repeated charge and discharge of a secondary battery and a disconnection phenomenon in which an electrode is disconnected may be prevented.Type: GrantFiled: August 14, 2014Date of Patent: October 8, 2019Assignee: LG Chem, Ltd.Inventors: Min Soo Park, Yoon Tae Hwang, Se Woo Yang, Myung Seob Kim, Mun Sung Kim
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Publication number: 20180251741Abstract: The present invention relates to a method for producing a botulinum toxin comprising:(a) treating a culture of a botulinum toxin-producing strain with acid to form a botulinum toxin-containing precipitate; (b) adding a buffer to the botulinum toxin-containing precipitate of step (a), followed by clarification by at least one method selected from the group consisting of depth filtration (DF), microfiltration (MF), ultrafiltration (UF), sterile filtration, membrane chromatography (MC) and centrifugation; (c) subjecting the botulinum toxin-containing solution of step (b) to UF diafiltration, ammonium sulfate precipitation or hydrochloric acid precipitation, and then diluting a retentate resulting from the UF diafiltration in a buffer or dissolving a precipitate resulting from the ammonium sulfate precipitation or hydrochloric acid precipitate in a buffer; and (d) subjecting the retentate dilution, ammonium sulfate precipitate solution or hydrochloric acid precipitate solution of step (c) to anion-exchange chromaType: ApplicationFiled: November 23, 2016Publication date: September 6, 2018Inventors: Kyoung-Yun Kim, Chung Sei Kim, Myung Seob Kim, Hye-Young Sul
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Publication number: 20160186021Abstract: Provided are a seal tape and a secondary battery. The seal tape for adhering an electrode assembly includes a pressure-sensitive adhesive layer including a cured product of a pressure-sensitive adhesive composition including a polymer including a polar functional group-containing monomer as a polymerization unit, and is expanded in contact with an electrolyte solution to be detached from the electrode assembly, and therefore, isotropic volume expansion and contraction of the electrode assembly may be induced by repeated charging and discharging of a secondary battery and a disconnection phenomenon in which an electrode is disconnected may be prevented.Type: ApplicationFiled: August 14, 2014Publication date: June 30, 2016Applicant: LG Chem, Ltd.Inventors: Min Soo Park, Yoon Tae Hwang, Mun Sung Kim, Myung Seob Kim, Se Woo Yang, Jung Kyu Lee, Young Wook Kim
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Publication number: 20160177136Abstract: Provided are a seal tape and a secondary battery. The seal tape for adhering an electrode assembly includes a pressure-sensitive adhesive layer including a cured product of a pressure-sensitive adhesive composition including a polymer including a polar functional group-containing monomer as a polymerization unit, and is expanded in contact with an electrolyte solution to be detached from the electrode assembly, and therefore, isotropic volume expansion and contraction of the electrode assembly may be induced by repeated charge and discharge of a secondary battery and a disconnection phenomenon in which an electrode is disconnected may be prevented.Type: ApplicationFiled: August 14, 2014Publication date: June 23, 2016Applicant: LG Chem, Ltd.Inventors: Min Soo Park, Yoon Tae Hwang, Se Woo Yang, Myung Seob Kim, Mun Sung Kim