Patents by Inventor Myung Hoon KO
Myung Hoon KO 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: 12132173Abstract: A secondary battery comprises an electrode assembly including a first electrode, a separator, and a second electrode alternately stacked and wound about a central axis. A first non-coating portion that is not coated with an electrode active material protrudes farther than the separator in a first direction along the central axis and a second non-coating portion that is not coated with the electrode active material protrudes farther than the separator in a second, opposite direction along the central axis. The first non-coating portion contacts a first connection part disposed on an end of a first can of the battery, and the second non-coating portion contacts a second connection part disposed on an end of a second can. At least one of the first connection part or the second connection part comprises a protrusion having a shape protruding towards the electrode assembly.Type: GrantFiled: October 1, 2019Date of Patent: October 29, 2024Assignee: LG Energy Solution, Ltd.Inventors: Jung Il Park, Jee Ho Kim, Yong Tae Lee, Myung Hoon Ko, Ki Youn Kim, Gyung Soo Kang
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Publication number: 20240313266Abstract: A secondary battery comprises an electrode assembly including a first electrode, a separator, and a second electrode alternately stacked and wound about a central axis. A first non-coating portion that is not coated with an electrode active material protrudes farther than the separator in a first direction along the central axis, and a second non-coating portion that is not coated with the electrode active material protrudes farther than the separator in a second, opposite direction along the central axis. The first non-coating portion contacts a first connection part disposed on an end of a first can of the battery, and the second non-coating portion contacts a second connection part disposed on an end of a second can. At least one of the first connection part or the second connection part comprises a protrusion having a shape protruding towards the electrode assembly.Type: ApplicationFiled: May 29, 2024Publication date: September 19, 2024Applicant: LG Energy Solution, Ltd.Inventors: Jung Il Park, Jee Ho Kim, Yong Tae Lee, Myung Hoon Ko, Ki Youn Kim, Gyung Soo Kang
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Publication number: 20240285717Abstract: The present invention relates to a composition for the prevention or treatment of a muscle disease, comprising an extract of Ponciri Fructus. The extract of the present invention has the effect of increasing the expression of genes related to myotube cell differentiation and/or athletic performance, increasing muscle weight, and/or improving athletic performance.Type: ApplicationFiled: February 7, 2024Publication date: August 29, 2024Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Myung Suk KIM, Sang Hoon JUNG, Hye Jin KO, Tam Thi LE, Ngoc Bao NGUYEN, Wook Bin LEE
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Patent number: 12062773Abstract: Provided is a method for determining the wetting degree of a lithium ion battery cell using a low current test. The wetting degree determination method according to the present disclosure includes a) obtaining, as a reference charge profile, a charge profile recorded while charging a reference battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less, b) measuring and recording a charge profile while charging another battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less in the same way as the reference battery cell, and c) determining the wetting degree of another battery cell relative to the reference battery cell by comparative analysis of the reference charge profile and the measured charge profile.Type: GrantFiled: July 2, 2020Date of Patent: August 13, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Myung-Hoon Ko, Jee-Ho Kim, Yong-Tae Lee, Pil-Kyu Park
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Patent number: 12021212Abstract: A battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells are stacked; a casing configured to surround the battery cell stack; and a heat transfer member to cool or heat the battery cells. The heat transfer member is disposed between any two adjacent battery cells of the battery cell stack. The heat transfer member is spaced apart from the battery cells and is configured to move into contact with the battery cells to cool or heat the battery cells.Type: GrantFiled: March 4, 2020Date of Patent: June 25, 2024Assignee: LG Energy Solution, Ltd.Inventors: Gyung-Soo Kang, Jee-Ho Kim, Myung-Hoon Ko, Ki-Youn Kim
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Patent number: 11940501Abstract: The present invention relates to a method and an apparatus for diagnosing low voltage of a secondary battery cell. The method for diagnosing low voltage of a secondary battery cell according to an embodiment of the present invention includes pre-aging a battery cell, charging the battery cell according to a preset charging condition, measuring a parameter for determining low voltage failure of the battery cell, comparing the measured parameter with a reference parameter, and performing formation when the battery cell is determined to be normal.Type: GrantFiled: October 4, 2019Date of Patent: March 26, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Yong Tae Lee, Myung Hoon Ko, Jee Ho Kim, Gyung Soo Kang
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Patent number: 11916258Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.Type: GrantFiled: October 4, 2019Date of Patent: February 27, 2024Assignee: LG Energy Solution, Ltd.Inventors: Gyung Soo Kang, Jee Ho Kim, Yong Tae Lee, Myung Hoon Ko, Jung Il Park, Ki Youn Kim
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Patent number: 11742541Abstract: A secondary battery according to the present invention comprises: an electrode assembly in which a first electrode, a separator, and a second electrode are alternately stacked and wound together; a can provided with an accommodation part that accommodates the electrode assembly therein, the can comprising a first can and a second can, which have cylindrical shapes opened in a direction facing each other; and an insulator configured to insulate an overlapping portion between the first can and the second can. The first can forms a first electrode terminal that directly contacts an end of the first electrode, and the second can forms a second electrode terminal that directly contacts an end of the second electrode.Type: GrantFiled: October 1, 2019Date of Patent: August 29, 2023Inventors: Ki Youn Kim, Jee Ho Kim, Myung Hoon Ko, Jung Il Park, Yong Tae Lee, Gyung Soo Kang
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Publication number: 20230198106Abstract: The present invention relates to a battery cell including an electrode assembly including a plurality of electrode plates and at least one separator interposed between the plurality of electrode plates, a case configured to receive the electrode assembly, electrode tabs formed at the electrode plates so as to protrude and extend therefrom, and an electrode lead joined to the electrode tabs while being electrically connected to the outside, wherein each of the electrode tabs includes a first tab portion connected to a corresponding one of the electrode plates and a second tab portion extending from the first tab portion, the electrode lead being joined to the second tab portion, and the first tab portion is provided with a stress relief portion configured to reduce stress in the electrode tab.Type: ApplicationFiled: August 25, 2021Publication date: June 22, 2023Applicant: LG Energy Solution, Ltd.Inventors: Gil Sang Son, Dong Yeon Kim, Yong Tae Lee, Dal Mo Kang, Jung Koo Kang, Myung Hoon Ko, Jin Hak Kong
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Publication number: 20230170590Abstract: Disclosed is a battery cell having an electrode tab with an enhanced safety, and a battery module, a battery pack and a vehicle including the same. The battery cell includes an electrode assembly including a cell body and an electrode tab provided to at least one of both sides of the cell body, a cell case configured to accommodate the electrode assembly therein, an electrode lead drawn out of the cell case by a predetermined length and connected to the electrode assembly through the electrode tab, and a tab protection module accommodated in the cell case and configured to cover at least a part of the electrode tab.Type: ApplicationFiled: August 30, 2022Publication date: June 1, 2023Applicant: LG Energy Solution, Ltd.Inventors: Kyoung-Soon Yoon, Myung-Hoon Ko, Dong-Myung Kim, Seok-Je Kim, Seung-Byung Lee, Yong-Tae Lee, Hyun-Sang Lee
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Patent number: 11605830Abstract: An apparatus for manufacturing a battery cell to enhance the electrolyte wettability to an electrode assembly in the battery cell is provided. The apparatus includes a battery cell tray in which one or more preliminary battery cells are housed and an excitation unit which makes a contact opposite to contacting one side of the battery cell tray to apply megasonic vibration to the preliminary battery cell in a state in which the preliminary battery cell is housed. A method for manufacturing a battery cell using the apparatus is also provided.Type: GrantFiled: March 12, 2020Date of Patent: March 14, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Gyungsoo Kang, Yong Tae Lee, Jeeho Kim, Myung Hoon Ko
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Publication number: 20220359856Abstract: Provided is a method for determining the wetting degree of a lithium ion battery cell using a low current test. The wetting degree determination method according to the present disclosure includes a) obtaining, as a reference charge profile, a charge profile recorded while charging a reference battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less, b) measuring and recording a charge profile while charging another battery cell having undergone receiving an electrode assembly and an electrolyte solution in a case, assembling and pre-aging with a low current of 0.01 C-rate or less in the same way as the reference battery cell, and c) determining the wetting degree of another battery cell relative to the reference battery cell by comparative analysis of the reference charge profile and the measured charge profile.Type: ApplicationFiled: July 2, 2020Publication date: November 10, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Myung-Hoon KO, Jee-Ho KIM, Yong-Tae LEE, Pil-Kyu PARK
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Patent number: 11476546Abstract: An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed and has same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, and an auxiliary unit disposed on at least one among an uppermost part or a lowermost part of the cell stack part. The one kind of radical unit of (a) has a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked, and each of the at least two kinds of radical units are stacked by ones in the predetermined order to form the four-layered structure or the repeating structure.Type: GrantFiled: September 1, 2020Date of Patent: October 18, 2022Inventors: Ji Won Park, Myung Hoon Ko, Seung Ho Na, Chang Bum Ahn
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Publication number: 20220043068Abstract: The present invention relates to a method and an apparatus for diagnosing low voltage of a secondary battery cell. The method for diagnosing low voltage of a secondary battery cell according to an embodiment of the present invention includes pre-aging a battery cell, charging the battery cell according to a preset charging condition, measuring a parameter for determining low voltage failure of the battery cell, comparing the measured parameter with a reference parameter, and performing formation when the battery cell is determined to be normal.Type: ApplicationFiled: October 4, 2019Publication date: February 10, 2022Applicant: LG CHEM, LTD.Inventors: Yong Tae LEE, Myung Hoon KO, Jee Ho KIM, Gyung Soo KANG
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Publication number: 20210391615Abstract: A secondary battery according to the present invention comprises: an electrode assembly in which a first electrode, a separator, and a second electrode are alternately stacked and wound together; a can provided with an accommodation part that accommodates the electrode assembly therein, the can comprising a first can and a second can, which have cylindrical shapes opened in a direction facing each other; and an insulator configured to insulate an overlapping portion between the first can and the second can. The first can forms a first electrode terminal that directly contacts an end of the first electrode, and the second can forms a second electrode terminal that directly contacts an end of the second electrode.Type: ApplicationFiled: October 1, 2019Publication date: December 16, 2021Applicant: LG Chem, Ltd.Inventors: Ki Youn Kim, Jee Ho Kim, Myung Hoon Ko, Jung Il Park, Yong Tae Lee, Gyung Soo Kang
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Publication number: 20210376392Abstract: A secondary battery comprises an electrode assembly including a first electrode, a separator, and a second electrode alternately stacked and wound about a central axis. A first non-coating portion that is not coated with an electrode active material protrudes farther than the separator in a first direction along the central axis and a second non-coating portion that is not coated with the electrode active material protrudes farther than the separator in a second, opposite direction along the central axis. The first non-coating portion contacts a first connection part disposed on an end of a first can of the battery, and the second non-coating portion contacts a second connection part disposed on an end of a second can. At least one of the first connection part or the second connection part comprises a protrusion having a shape protruding towards the electrode assembly.Type: ApplicationFiled: October 1, 2019Publication date: December 2, 2021Applicant: LG Chem, Ltd.Inventors: Jung Il Park, Jee Ho Kim, Yong Tae Lee, Myung Hoon Ko, Ki Youn Kim, Gyung Soo Kang
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Patent number: 11171353Abstract: An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order. The one kind of radical unit has a four-layered structure in which first electrode, first separator, second electrode and second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked. Each of the at least two kinds of radical units are stacked by ones to form the four-layered structure or the repeating structure. The separator has a larger size than the electrode to expose an edge part of the separator to outside of the electrode and the separator. The edge parts of the separators included in one radical unit or in the cell stack part are attached to form a sealing part.Type: GrantFiled: August 21, 2020Date of Patent: November 9, 2021Inventors: Myung Hoon Ko, Ji Won Park, Jin Ho Ban, Ah Reum Jung, Seung Ho Na
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Publication number: 20210344087Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.Type: ApplicationFiled: October 4, 2019Publication date: November 4, 2021Applicant: LG Chem, Ltd.Inventors: Gyung Soo Kang, Jee Ho Kim, Yong Tae Lee, Myung Hoon Ko, Jung Il Park, Ki Youn Kim
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Publication number: 20210273255Abstract: An apparatus for manufacturing a battery cell to enhance the electrolyte wettability to an electrode assembly in the battery cell is provided. The apparatus includes a battery cell tray in which one or more preliminary battery cells are housed and an excitation unit which makes a contact opposite to contacting one side of the battery cell tray to apply megasonic vibration to the preliminary battery cell in a state in which the preliminary battery cell is housed. A method for manufacturing a battery cell using the apparatus is also provided.Type: ApplicationFiled: March 12, 2020Publication date: September 2, 2021Applicant: LG CHEM, LTD.Inventors: Gyungsoo KANG, Yong Tae LEE, Jeeho KIM, Myung Hoon KO
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Publication number: 20210257652Abstract: A secondary battery having an electrode assembly in which a positive electrode, a separator, and a negative electrode are alternately stacked, and a can configured to accommodate the electrode assembly is provided. The negative electrode is disposed on an end of the electrode assembly in a direction of one side of the electrode assembly so that a negative electrode non-coating portion protrudes more than the separator with respect to a direction of a winding center axis of the electrode assembly. The positive electrode is disposed on an end of the electrode assembly in a direction of the other side of the electrode assembly so that a positive electrode non-coating portion protrudes more than the separator with respect to the direction of the winding center axis of the electrode assembly. The can includes a first can contacting the positive electrode and a second can contacting the negative electrode.Type: ApplicationFiled: October 1, 2019Publication date: August 19, 2021Applicant: LG CHEM, LTD.Inventors: Myung Hoon KO, Yong Tae LEE, Jung Il PARK, Jee Ho KIM