Patents by Inventor Su-Hang LEE
Su-Hang LEE 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).
-
Publication number: 20240055675Abstract: A device is provided for performing a pressure test on a battery module. The device may include a module case in which battery cells are accommodated, a pressure plate installed in a middle portion of the module case in a width direction and configured to pressurize the battery cells toward the module case, a pressure driver configured to apply a pressure to the pressure plate, and a controller configured to control a pressure force and a pressure pattern with respect to the battery cells. The pressure plate may be configured to simulate expansion and contraction of the battery cells by repeatedly pressurizing and depressurizing the battery cells.Type: ApplicationFiled: July 6, 2022Publication date: February 15, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Yu Han NOH, Su Hang LEE, Yong II KIM, Dong Wook KIM
-
Publication number: 20230375449Abstract: Discussed is a fatigue failure verification device that can include a module housing including a welding portion, a cell stack including a plurality of battery cells accommodated in the module housing, at least one main flexible tube located in a central portion of the cell stack in a stack direction of the cell stack, a main flexible tube frame in which the at least one main flexible tube is accommodated. The main flexible tube frame can include a pair of opening portions formed on opposite sides so that the at least one main flexible tube faces the plurality of battery cells, and a pump can be provided, which is configured to adjust a pressure applied by the at least one main flexible tube to the plurality of battery cells by supplying a fluid to the at least one main flexible tube.Type: ApplicationFiled: November 9, 2021Publication date: November 23, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Dong-Wook KIM, YONG-IL KIM, Su-Hang LEE
-
Publication number: 20230299405Abstract: A battery module includes a plurality of battery cells, a module case in which the plurality of battery cells are accommodated, a thermal resin provided inside the module case, and configured to cool the plurality of battery cells, and buffer spaces facing each other with the thermal resin therebetween, and provided inside the module case.Type: ApplicationFiled: October 5, 2021Publication date: September 21, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: YONG-IL KIM, Dong-Wook KIM, Su-Hang LEE
-
Publication number: 20230216130Abstract: A secondary battery includes a plurality of secondary batteries, each secondary battery having two side surfaces that are flat and parallel to each other; and a housing having a bottom part formed in a horizontal direction, two vertical sidewalls extending parallel to each other in a longitudinal direction at opposite ends of the bottom part, and a ceiling part extending from an upper end of each of the sidewalls and disposed parallel to the bottom part. The plurality of secondary batteries are mounted to be stacked in a thickness direction thereof so that side surfaces of outermost secondary batteries of the plurality of secondary batteries face respective sidewalls. A rib is formed inside each of edges connecting the bottom part and the sidewalls of the housing to each other to have a thickness thicker than other portions of the sidewalls.Type: ApplicationFiled: September 30, 2021Publication date: July 6, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Ho June CHI, Hang June CHOI, Kyung Man CHO, Jeong Oh MOON, Su Hang LEE, YONG IL KIM
-
Publication number: 20230207941Abstract: A battery module prevents performance degradation due to a swelling phenomenon caused by charging and discharging and increases durability. The battery module includes a cell assembly comprising a plurality of battery cells stacked in a left-right direction; and a module housing configured to accommodate the cell assembly therein. The module housing includes an upper plate covering an upper portion of the cell assembly, a left plate covering a left portion of the cell assembly, a right plate covering a right portion of the cell assembly, and a lower plate covering a lower portion of the cell assembly, and at least one of the left plate and the right plate includes a support portion having a shape protruding toward the cell assembly from an inner surface facing the plurality of battery cells to pressurize at least a part of the cell assembly with a relatively small volume expansion.Type: ApplicationFiled: September 17, 2021Publication date: June 29, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jin-Yong PARK, Hang-June CHOI, Dal-Mo KANG, Jeong-O MUN, YONG-IL KIM, Ho-June CHI, Su-Hang LEE
-
Publication number: 20230129302Abstract: The present disclosure relates to an apparatus and method for evaluating durability of a battery module frame for a vehicle. According to the present disclosure, it is possible to easily evaluate the durability or a similar quality of the welded portion of the battery module frame by providing constraints similar to a situation in which a swelling phenomenon occurs in a battery cell in the battery module frame.Type: ApplicationFiled: September 13, 2021Publication date: April 27, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Su Hang LEE, Yong Il KIM, Jae Yeong KIM
-
Publication number: 20230080954Abstract: A battery module includes a buffer pad for preventing a damage to a battery cell, and a battery pack including the battery module. It is possible to prevent a damage to the outermost battery cell at the time of the swelling of battery cells by including a buffer pad, where first and second regions having different physical properties are positioned, in a region contacting the outermost battery cell of the battery cell laminate.Type: ApplicationFiled: September 15, 2021Publication date: March 16, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: SU HANG LEE, JEONG OH MOON, DONG WOOK KIM, YONG IL KIM
-
Publication number: 20220393269Abstract: A battery module and a battery pack including same, have improved fastening of a cooling plate through the use of the combination of a reinforcement beam and welding in the fastening of the cooling plate, and thus detachment of the cooling plate due to swelling of a battery cell or due to external shocks is effectively prevented.Type: ApplicationFiled: June 23, 2021Publication date: December 8, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Gi Young CHOI, Su Hang LEE, Jae Yeong KIM, YONG IL KIM, Dong Wook KIM
-
Patent number: 11462782Abstract: A battery pack includes a plurality of battery cells, a pack case partitioning an interior volume into a plurality of accommodation spaces capable of accommodating at least portions of the plurality of battery cells, a cooling mat disposed to contact upper surfaces of the plurality of battery cells inside the pack case, and an air cushion disposed perpendicular to the cooling mat and mounted to inner walls of the pack case along a front and rear direction.Type: GrantFiled: August 26, 2019Date of Patent: October 4, 2022Inventors: Su-Hang Lee, Kyu Hyun Choi, Ho-June Chi, Jee-Soon Choi
-
Publication number: 20220021066Abstract: A battery pack cover has irregularities formed on an upper surface portion thereof. The battery pack cover effectively prevents stress from being concentrated on a specific area, enables rigidity enhancement without adding a separate bracket, and is easily assembled when applied to packaging.Type: ApplicationFiled: August 7, 2020Publication date: January 20, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Kyung Mo KIM, Jeong Oh MOON, Su Hang LEE, Ho June CHI
-
Publication number: 20210242515Abstract: A battery pack includes a plurality of battery cells, a pack case partitioning an interior volume into a plurality of accommodation spaces capable of accommodating at least portions of the plurality of battery cells, a cooling mat disposed to contact upper surfaces of the plurality of battery cells inside the pack case, and an air cushion disposed perpendicular to the cooling mat and mounted to inner walls of the pack case along a front and rear direction.Type: ApplicationFiled: August 26, 2019Publication date: August 5, 2021Applicant: LG Chem, Ltd.Inventors: Su-Hang Lee, Kyu Hyun Choi, Ho-June Chi, Jee-Soon Choi
-
Patent number: 10804510Abstract: Disclosed is a battery pack, which may effectively prevent a bending phenomenon caused by a load while ensuring excellent assembling and compatibility and light weight, and a vehicle including the battery pack. The battery pack includes: a plurality of battery modules including at least one secondary battery accommodated in a module case and a side surface coupling unit provided at an outer side portion of the module case, the plurality of battery modules being arranged in a lateral direction so that side surfaces thereof face each other with intervals therebetween; and a fixing member having an interposing portion interposed between side surfaces of two adjacent battery modules and coupled to the side surface coupling units of the two adjacent battery modules so that two or more battery modules are coupled and fixed.Type: GrantFiled: October 27, 2017Date of Patent: October 13, 2020Assignee: LG CHEM, LTD.Inventors: Han-Sol Lee, Jin-Hak Kong, Su-Hang Lee, Kyu-Hyun Choi, Yong-Seok Choi
-
Patent number: 10601005Abstract: Provided is a battery module that is simple, compact and sure to improve the mechanical performance against cell pressing, swelling and impacts and a method for fabricating the same. The battery module according to the present disclosure includes two or more pouch-type battery cells, and a hollow quadrilateral monoframe in which the battery cells are received, wherein the monoframe has a first opening and a second opening that are open to two sides in lengthwise direction of the battery cells, wherein a cushion bag is provided in close contact between the battery cells and the monoframe.Type: GrantFiled: August 31, 2017Date of Patent: March 24, 2020Assignee: LG Chem, Ltd.Inventors: Su-Hang Lee, Kyu-Hyun Choi, Yong-Seok Choi, Jin-Hak Kong
-
Publication number: 20190377835Abstract: Disclosed is a structural analysis tool for a mono-frame that is provided in a rectangular tube form as a structure for protecting battery cells, which includes an input unit configured to input dimension, weight and stress value data of a reference mono-frame, which are structurally analyzed in advance, and dimension and weight data of a provisionally designed mono-frame; a calculation unit configured to calculate a stress ratio of the reference mono-frame and the provisionally designed mono-frame based on the beam theory by using the data of the reference mono-frame and the data of the provisionally designed mono-frame; and an output unit configured to judge stability of the provisionally designed mono-frame by comparing the stress ratio calculated by the calculation unit with a preset stress ratio reference value. There is also disclosed a mono-frame designing method using the structural analysis tool.Type: ApplicationFiled: August 9, 2018Publication date: December 12, 2019Applicant: LG CHEM, LTD.Inventors: Jin-Hak KONG, Dong-Yeon KIM, Su-Hang LEE, Yong-Seok CHOI
-
Publication number: 20190006646Abstract: Disclosed is a battery pack, which may effectively prevent a bending phenomenon caused by a load while ensuring excellent assembling and compatibility and light weight, and a vehicle including the battery pack. The battery pack includes: a plurality of battery modules including at least one secondary battery accommodated in a module case and a side surface coupling unit provided at an outer side portion of the module case, the plurality of battery modules being arranged in a lateral direction so that side surfaces thereof face each other with intervals therebetween; and a fixing member having an interposing portion interposed between side surfaces of two adjacent battery modules and coupled to the side surface coupling units of the two adjacent battery modules so that two or more battery modules are coupled and fixed.Type: ApplicationFiled: October 27, 2017Publication date: January 3, 2019Applicant: LG CHEM, LTD.Inventors: Han-Sol LEE, Jin-Hak KONG, Su-Hang LEE, Kyu-Hyun CHOI, Yong-Seok CHOI
-
Publication number: 20180062127Abstract: Provided is a battery module that is simple, compact and sure to improve the mechanical performance against cell pressing, swelling and impacts and a method for fabricating the same. The battery module according to the present disclosure includes two or more pouch-type battery cells, and a hollow quadrilateral monoframe in which the battery cells are received, wherein the monoframe has a first opening and a second opening that are open to two sides in lengthwise direction of the battery cells, wherein a cushion bag is provided in close contact between the battery cells and the monoframe.Type: ApplicationFiled: August 31, 2017Publication date: March 1, 2018Applicant: LG CHEM, LTD.Inventors: Su-Hang LEE, Kyu-Hyun CHOI, Yong-Seok CHOI, Jin-Hak KONG