Patents by Inventor Su-Chang Kim
Su-Chang 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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Patent number: 11139529Abstract: A cylindrical battery cell assembly which includes a plurality of cylindrical battery cells arranged so that the cylindrical battery cells having the same polarity face in the same direction, a cell holder configured to confine the cylindrical battery cells as a bundle unit, a first electrode connection member located at an upper portion of the cell holder and a second electrode connection member located at the bottom ends of the cylindrical battery cells. The second electrode connection member includes a second connection portion located at a lower portion of the cell holder and disposed to contact the second electrode terminals. A rod-shaped second terminal portion extends vertically from the second connection portion through an empty space formed inside the cell holder so that one end of the rod-shaped second terminal portion is disposed above the cell holder.Type: GrantFiled: December 5, 2018Date of Patent: October 5, 2021Assignee: LG CHEM, LTD.Inventors: Ji-Su Yoon, Su-Chang Kim, Jae-Min Yoo, Jae-Uk Ryu, Dal-Mo Kang, Jeong-O Mun
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Patent number: 11139543Abstract: A bus bar capable of effectively securing safety of a battery module when an overcurrent is generated includes: a main body portion that includes a first metal, has a stepped structure, in which an outer surface of the main body portion in an outward direction of the battery module is recessed in an inward direction, formed in one region, and is configured to be electrically connected to at least one secondary battery; a current breaking portion that is inserted into a space formed by the stepped structure and includes a second metal having a melting point relatively lower than a melting point of the first metal; and a covering member configured to surround at least a part of an outer surface of the current breaking portion. A battery module including the bus bar is also provided.Type: GrantFiled: January 21, 2019Date of Patent: October 5, 2021Inventors: Jae-Min Yoo, Min-Ho Kwon, Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
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Patent number: 10998597Abstract: A battery module includes a pair of battery cells, each battery cell having an electrode lead, and the battery cells being stacked to face each other; a connector configured to connect the electrode leads of battery cells; and a connector breaking device disposed in a space formed between terrace portions of the battery cells and configured to be operated with a pressure applied to the connector breaking device due to swelling of at least one of the battery cells to cut off an electric connection between the connector and the electrode leads is provided. A method to interrupt an electrical connection in a battery module is also provided.Type: GrantFiled: June 18, 2018Date of Patent: May 4, 2021Assignee: LG CHEM, LTD.Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
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Patent number: 10992011Abstract: A battery module includes plurality of battery cells, a cell housing configured to accommodate the plurality of battery cells and a cover housing configured to cover an upper side of the cell housing. The cover housing includes an upper cover configured to form an upper portion of the cover housing, a lower cover bolt-coupled to the upper cover and disposed at the upper side of the cell housing and a bus bar unit disposed between the lower cover and the upper cover, electrically connected to electrodes of the plurality of battery cells, and sealing-coupled to at least one of the upper cover and the lower cover.Type: GrantFiled: April 13, 2018Date of Patent: April 27, 2021Assignee: LG CHEM, LTD.Inventors: Su-Chang Kim, Dal-Mo Kang, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
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Patent number: 10985433Abstract: A battery module has a cell stack including a first battery cell and a second battery cell, which respectively have electrode leads and are stacked to face each other. A connector configured to connect the electrode leads of the pair of battery cells. A support frame provided to at least one side of the cell stack and having a pair of lead slits at which the electrode leads are drawn and an injection slit formed at a location corresponding to the connector to give a passage through which a venting gas discharged at venting of the battery cell is injected.Type: GrantFiled: July 18, 2018Date of Patent: April 20, 2021Assignee: LG CHEM, LTD.Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
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Publication number: 20210011843Abstract: A memory system may include: a memory device; and a controller. When at least one data group is received, the data group including a plurality of data which is required to be collectively processed, the controller reads preceding logical-to-physical (L2P) map information for the data group from a first table and stores the read L2P map information in a second table before reception of the plurality of the data of the data group is committed, and the controller stores the plurality of the data in the memory device, and the controller updates the L2P map information for the data group that is stored in the first table in response to the storing of the plurality of the data in the memory device.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Inventors: Hae-Gi CHOI, Kyeong-Rho KIM, Dong-Hyun CHO, Su-Chang KIM
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Patent number: 10892464Abstract: A battery module having a low height and ensuring stable cooling performance, including a heat dissipation member disposed at a lower portion thereof, a cell assembly having a plurality of can-type secondary batteries stacked in a lying-down form in a horizontal direction and a bus bar, the bus bar including a connection part contacting electrodes of two or more can-type secondary batteries of the cell assembly to electrically connect the two or more can-type secondary batteries, and a heat transfer part located below the connection part to contact the heat dissipation member to transfer heat of the secondary batteries to the heat dissipation member.Type: GrantFiled: April 3, 2018Date of Patent: January 12, 2021Assignee: LG CHEM, LTD.Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
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Patent number: 10874889Abstract: A battery module including a cell stack formed by stacking a plurality of battery cells; a module frame coupled to one side or both sides of the cell stack; and a fire extinguishing unit accommodated in the module frame to eject a fire extinguishing agent at a reference temperature or above.Type: GrantFiled: January 3, 2018Date of Patent: December 29, 2020Assignee: LG CHEM, LTD.Inventors: Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
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Publication number: 20200395587Abstract: A cylindrical battery cell including a first electrode terminal and a second electrode terminal having different polarities: an electrode assembly in which a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode are wound; a battery case configured to include the electrode assembly therein in a state of being impregnated with an electrolytic solution; a cap assembly mounted to a top end of the battery case; and a connection cap including a cap housing loaded on the battery case and the cap assembly and having an insulating material, and a first connection plate and a second connection plate placed on the cap housing and electrically connected to the first electrode terminal and the second electrode terminal, respectively.Type: ApplicationFiled: October 2, 2018Publication date: December 17, 2020Applicant: LG CHEM, LTD.Inventors: Jae-Uk RYU, Dal-Mo KANG, Su-Chang KIM, Jeong-O MUN, Jae-Min YOO, Ji-Su YOON
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Patent number: 10838874Abstract: A memory system includes a non-volatile memory device including a plurality of memory blocks; and a controller comprising a volatile memory and configured to: store a plurality of write data delivered from a host in the memory blocks to the plurality of memory blocks; and managing mapping information corresponding to the stored write data in the volatile memory, wherein the controller is configured to check whether the plurality of write data are grouped into a transaction, selectively set a transaction flag to the mapping information based on a check result; and selectively store the mapping information in the memory blocks when the transaction flag is not set.Type: GrantFiled: June 7, 2018Date of Patent: November 17, 2020Assignee: SK hynix Inc.Inventors: Hae-Gi Choi, Kyeong-Rho Kim, Sung-Kwan Hong, Su-Chang Kim, Yeong-Sik Yi, Ji-Hoon Yim
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Publication number: 20200350610Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.Type: ApplicationFiled: October 17, 2018Publication date: November 5, 2020Applicant: LG Chem, Ltd.Inventors: Jae Min Yoo, Dal Mo Kang, Jeong Oh Moon, Jaeuk Ryu, Su Chang Kim, Ji Su Yoon
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Publication number: 20200341850Abstract: A data processing system includes a host suitable for generating a plurality of write data grouped into transactions and a plurality of write commands including transaction information of each of the write data; and a memory system suitable for storing the write data in a normal region of a memory device in response to the write commands received from the host, and storing the transaction information included in each of the write commands in a spare region, which corresponds to the normal region, of the memory device.Type: ApplicationFiled: July 10, 2020Publication date: October 29, 2020Inventors: Hae-Gi CHOI, Kyeong-Rho KIM, Su-Chang KIM, Sung-Kwan HONG
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Patent number: 10733056Abstract: A data processing system includes a host suitable for generating a plurality of write data grouped into transactions and a plurality of write commands including transaction information of each of the write data; and a memory system suitable for storing the write data in a normal region of a memory device in response to the write commands received from the host, and storing the transaction information included in each of the write commands in a spare region, which corresponds to the normal region, of the memory device.Type: GrantFiled: June 5, 2018Date of Patent: August 4, 2020Assignee: SK hynix Inc.Inventors: Hae-Gi Choi, Kyeong-Rho Kim, Su-Chang Kim, Sung-Kwan Hong
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Patent number: 10725905Abstract: A memory system includes a nonvolatile memory device including a plurality of memory blocks each including a plurality of pages; and a controller suitable for, when writing a plurality of data in the pages according to a write request from a host, writing the plurality of data with tags, classified into N number of kinds depending on a usage pattern of each data, together in the pages. The controller manages a list of victim blocks as a target of a merge operation, the controller manages entire valid pages included in the victim blocks, by classifying them into N number of page groups depending on a kind of each of the entire valid pages, and the controller selects valid pages to be moved to a free block in the merge operation, among the entire valid pages, and N may be a natural number of 2 or greater.Type: GrantFiled: August 10, 2018Date of Patent: July 28, 2020Assignee: SK hynix Inc.Inventors: Hae-Gi Choi, Kyeong-Rho Kim, Su-Chang Kim, Jin-Woong Kim, Hui-Won Lee, Eun-Soo Jang
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Publication number: 20200227690Abstract: Disclosed is a battery cell, which includes: an electrode assembly; an electrode lead connected to the electrode assembly; a pouch case surrounding the electrode assembly and sealed in a state in which the electrode lead extends through the pouch case and is exposed at an outside surface of the pouch case; and a fire extinguishing unit disposed in the pouch case and configured to eject a fire extinguishing powder when a temperature of the first extinguishing unit is equal to or greater than a predetermined limit temperature.Type: ApplicationFiled: January 3, 2018Publication date: July 16, 2020Applicant: LG Chem, Ltd.Inventors: Ji-Su Yoon, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu
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Publication number: 20200194853Abstract: A battery module includes a plurality of cylindrical battery cells and a first fixing frame configured to support the cylindrical battery cells so that the cylindrical battery cells are oriented vertically. The first fixing frame includes cell bottom holders provided at predetermined locations on a plate having a tray shape so that the cylindrical battery cells can be inserted therein in a vertical orientation; and perforation holes formed between the cell bottom holders so as to be open in a vertical direction, wherein the battery module comprises a thermally conductive adhesive solution introduced through the perforation holes from a lower portion of the first fixing frame to an upper portion thereof.Type: ApplicationFiled: September 27, 2018Publication date: June 18, 2020Applicant: LG Chem, Ltd.Inventors: Jae-Min Yoo, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Jae-Uk Ryu, Ji-Su Yoon
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Publication number: 20200168887Abstract: A bus bar capable of effectively securing safety of a battery module when an overcurrent is generated includes: a main body portion that includes a first metal, has a stepped structure, in which an outer surface of the main body portion in an outward direction of the battery module is recessed in an inward direction, formed in one region, and is configured to be electrically connected to at least one secondary battery; a current breaking portion that is inserted into a space formed by the stepped structure and includes a second metal having a melting point relatively lower than a melting point of the first metal; and a covering member configured to surround at least a part of an outer surface of the current breaking portion. A battery module including the bus bar is also provided.Type: ApplicationFiled: January 21, 2019Publication date: May 28, 2020Applicant: LG Chem, Ltd.Inventors: Jae-Min Yoo, Min-Ho Kwon, Jae-Uk Ryu, Dal-Mo Kang, Su-Chang Kim, Jeong-O Mun, Ji-Su Yoon
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Publication number: 20200161598Abstract: A cylindrical secondary battery module including a plurality of cylindrical secondary battery cells respectively having a battery case in which an electrode assembly and an electrolyte are accommodated; a cell frame at which the plurality of cylindrical secondary battery cells are disposed; and a bus bar electrically connected to the plurality of cylindrical secondary battery cells and having a fusing portion, wherein the bus bar has a plurality of layers made of different materials from each other.Type: ApplicationFiled: November 12, 2018Publication date: May 21, 2020Applicant: LG CHEM, LTD.Inventors: Jae-Min YOO, Dal-Mo KANG, Su-Chang KIM, Jeong-O MUN, Jae-Uk RYU, Ji-Su YOON
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Publication number: 20200127249Abstract: A cylindrical battery cell assembly which includes a plurality of cylindrical battery cells arranged so that the cylindrical battery cells having the same polarity face in the same direction, a cell holder configured to confine the cylindrical battery cells as a bundle unit, a first electrode connection member located at an upper portion of the cell holder and a second electrode connection member located at the bottom ends of the cylindrical battery cells. The second electrode connection member includes a second connection portion located at a lower portion of the cell holder and disposed to contact the second electrode terminals. A rod-shaped second terminal portion extends vertically from the second connection portion through an empty space formed inside the cell holder so that one end of the rod-shaped second terminal portion is disposed above the cell holder.Type: ApplicationFiled: December 5, 2018Publication date: April 23, 2020Applicant: LG CHEM, LTD.Inventors: Ji-Su YOON, Su-Chang KIM, Jae-Min YOO, Jae-Uk RYU, Dal-Mo KANG, Jeong-O MUN
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Publication number: 20200099024Abstract: A battery module includes a pair of battery cells, each battery cell having an electrode lead, and the battery cells being stacked to face each other; a connector configured to connect the electrode leads of battery cells; and a connector breaking device disposed in a space formed between terrace portions of the battery cells and configured to be operated with a pressure applied to the connector breaking device due to swelling of at least one of the battery cells to cut off an electric connection between the connector and the electrode leads is provided. A method to interrupt an electrical connection in a battery module is also provided.Type: ApplicationFiled: June 18, 2018Publication date: March 26, 2020Applicant: LG CHEM, LTD.Inventors: Jae-Uk RYU, Dal-Mo KANG, Su-Chang KIM, Jeong-O MUN, Ji-Su YOON