Patents by Inventor Jun Seok Choi
Jun Seok Choi 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: 20190173136Abstract: Disclosed is a cooling system for a battery of a vehicle and a method for cooling the battery. A heat absorption member is attached to a terminal of battery cell of the battery for absorbing heat. A controller of the vehicle computes heat generation based on the driver's input about the vehicle's destination, controls the battery to limit its current output after temperature.Type: ApplicationFiled: June 6, 2018Publication date: June 6, 2019Inventors: Jeong Hun SEO, Jun Seok CHOI, Yong Jae KIM, Hui Tae YANG
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Publication number: 20190051884Abstract: A battery module includes: a first battery cell and a second battery cell which have connection terminals, respectively, and are stacked to allow the connection terminals to face each other; and a connection bar having a first surface and a second surface interconnected to form a V-shaped cross-section. The connection terminal of the first battery cell is bonded to the first surface and the connection terminal of the second battery cell is bonded to the second surface.Type: ApplicationFiled: December 6, 2017Publication date: February 14, 2019Inventors: Jun Seok CHOI, Jin Won KIM
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Patent number: 10170806Abstract: A battery cooling system includes: a housing in which an inlet duct from which air is introduced and an outlet duct through which the air is discharged are mounted; a first battery mounted in the housing and disposed between the inlet duct and the outlet duct; and a low voltage battery disposed between the first battery and the inlet duct.Type: GrantFiled: December 6, 2016Date of Patent: January 1, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jun Seok Choi, Jin Ho Park, Kyung In Min, Jae Hoon Choi, Yu Seok Kim, Dong Gun Kim, Yoon Cheol Jeon, Jeong Hun Seo, Suk Hyung Kim, Beom Joo Kwon
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Publication number: 20180331345Abstract: Disclosed is a battery system, including: a plurality of battery modules provided in a space formed between an upper casing and a lower casing; connection busbars respectively connected to terminals of the battery modules; an intermediate busbar connected to the connection busbars such that the connection busbars are electrically connected to each other; and an insulation protector provided with opposite end portions attached to the upper casing, and with a holding portion placed below the intermediate busbar at a position between the opposite end portions.Type: ApplicationFiled: September 28, 2017Publication date: November 15, 2018Inventors: Hae Kyu LIM, Jun Seok CHOI, Yong Hwan CHOI, Jeong Hun SEO, Jae Hoon CHOI, Yong Jin LEE
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Publication number: 20180175466Abstract: A battery module having a cooling structure with a minimized size while providing high cooling efficiency is provided. The battery module includes a front plate and a rear plate that are arranged at a front side and a rear side of a battery pack in which a plurality of battery cells is stacked and a heat-dissipating member that is arranged under the battery pack and absorbs heat generated by the battery pack. Additionally, side plates are arranged at lateral ends of the front plate and the rear plate, arranged to be in contact with respective lateral ends of the heat-dissipating member, and include a cooling channel through which a coolant circulates to cool the battery pack.Type: ApplicationFiled: July 12, 2017Publication date: June 21, 2018Inventors: Jeong Hun Seo, Jun Seok Choi, Yong Jin Lee
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Publication number: 20180115178Abstract: A battery management system (BMS) may include a battery, a relay configured to electrically connect and disconnect the battery for supplying a voltage (an electric power) to an electric load to and from the electric load, the electric load configured to receive the voltage (the electric power) from the battery, to compare the received voltage (the electric power) with a reference value and to output a wakeup signal according to the compared result, when the relay is electrically connected, and a controller configured to wake up by the wakeup signal, to monitor a state of the battery and to control a state of the relay. It is possible to prevent overdischarge and overcharge of the battery by monitoring the battery through the electric load in a state in which a vehicle is turned off and switching the BSM to a wakeup state only if necessary.Type: ApplicationFiled: December 13, 2016Publication date: April 26, 2018Applicant: Hyundai Motor CompanyInventors: Hyo Sik MOON, Jun Ho BANG, Woo Sung KIM, Kyung In MIN, Jae Hoon CHOI, Jin Wook KIM, Dong II KIM, Ji Won NAM, Yong Hwan CHOI, Yoon Jun LEE, Jeong Hun SEO, Hui Tae YANG, Jun Seok CHOI, Yu Seok KIM, Jung Je Woo, Byung Su KIM, Yong Jae KIM, Kyung Ho KIM, Suk Hyung KIM, Hae Kyu LIM
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Patent number: 9893344Abstract: A safety device for preventing overcharging of a battery includes: a battery stack including a plurality of cells; a safety circuit connected to two or more cells and provided with an electrical conduction control unit that controls electrical conduction; and a closed circuit disposed between the cells connected to the safety circuit and provided with a switching unit which is switched on or off upon cell swelling, such that when cell swelling occurs, the switching unit is switched on by a pressing force, disabling the electrical conduction control unit of the safety circuit so electrical conduction between the cells is established via the switching unit, and when cell swelling occurs again, the switching unit is switched off, cutting off the electrical conduction between the cells.Type: GrantFiled: August 28, 2014Date of Patent: February 13, 2018Assignee: Hyundai Motor CompanyInventors: Jun Seok Choi, Hae Kyu Lim, Yoon Cheol Jeon, Jeong Hun Seo, Yong Jin Lee
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Patent number: 9887413Abstract: A battery pack includes a plurality of battery modules, each having at least one unit cell, a case for accommodating the unit cell and a bus bar electrically connected to the unit cell, and a connecting bar for connecting battery modules adjacent to each other among the plurality of battery modules, wherein at least one of the connecting bars includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate. In this configuration, if an overcurrent flows at the battery pack, the connecting bar is easily broken, thereby ensuring safety of the battery pack in use.Type: GrantFiled: November 6, 2013Date of Patent: February 6, 2018Assignee: LG CHEM, LTD.Inventors: Jun-Seok Choi, Tae-Hwan Roh, Jin-Kyu Lee, Seong-Tae Kim, Tae-Hyuck Kim, Jung-Hoon Yang, Seung-Don Choi, Dal-Mo Kang, Dong-Yeon Kim
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Publication number: 20180019507Abstract: An integration battery for a vehicle includes: a housing in which an inlet duct from which air is introduced and an outlet duct through which the air is discharged are mounted; a high voltage battery mounted in the housing and disposed between the inlet duct and the outlet duct; and a low voltage battery disposed between the high voltage battery and the inlet duct.Type: ApplicationFiled: December 6, 2016Publication date: January 18, 2018Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: Jun Seok CHOI, Jin Ho PARK, Kyung In MIN, Jae Hoon CHOI, Yu Seok KIM, Dong Gun KIM, Yoon Cheol JEON, Jeong Hun SEO, Suk Hyung KIM, Beom Joo KWON
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Publication number: 20170334308Abstract: A circuit for protecting a battery for an electric vehicle includes a high voltage battery configured to output a DC voltage, an inverter configured to selectively receive the DC voltage from the high voltage battery and invert the DC voltage into an AC voltage when the inverter receives the DC voltage, a relay disposed between the high voltage battery and the inverter and configured to selectively block the DC voltage from the high voltage battery to the inverter, and a battery management system including a microchip configured to output a main relay control signal for controlling the relay. The battery management system is configured to receive the DC voltage from the high voltage battery, and output a voltage relay control signal controlling the relay separately from the control by the microchip.Type: ApplicationFiled: August 8, 2017Publication date: November 23, 2017Inventors: Hee Sung MOON, Jun Seok CHOI, Woo Jin SHIN
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Patent number: 9799859Abstract: Provided are a secondary battery, a battery module, and a battery pack, which have improved safety. Particularly, since a bulletproof material is disposed on the inside and/or the outside of an exterior part, even when a conductive needle-shaped member penetrates a secondary battery, heating, burning, discharge of evaporated electrolyte, and electrical contact between the needle-shaped member and an electrode can be prevented, thereby improving safety of the secondary battery, the battery module, and the battery pack.Type: GrantFiled: January 4, 2012Date of Patent: October 24, 2017Assignee: LG CHEM, LTD.Inventors: Chang Moon Jeong, Chang Ho Kim, Seung Don Choi, Min Chul Jang, Seung Taek Hong, In Cheol Shin, Nan Ji Yun, Dal Mo Kang, Yo Jin Kim, Yong Kyu Ju, You Rim Yoon, Sang Yoon Jeong, Seung Su Cho, Soul Gie Hong, Jun Seok Choi
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Patent number: 9768473Abstract: Disclosed is a battery pack configured such that a plurality of battery modules is connected to each other in series in a state in which the modules are in contact with each other or stacked adjacent to each other, the pack being fixed such that a stacked state of the modules is maintained even when volume of the modules is changed during charge and discharge, the pack including a cut-off portion connected in series to an electrical connection circuit between modules, a fixing member to fix a circuit breaker to at least one outer surface of the pack, and the breaker configured to be electrically conducted when an outer surface of at least one module expands by a reference volume value or more, the breaker being connected in series to the electrical connection circuit to short-circuit the cut-off portion when electric conduction is performed due to swelling of the modules.Type: GrantFiled: May 13, 2014Date of Patent: September 19, 2017Assignee: LG CHEM, LTD.Inventors: Tae Hwan Roh, Jin Kyu Lee, Jun Seok Choi, Seong Tae Kim, Tae Hyuck Kim, Dongyeon Kim
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Patent number: 9758051Abstract: A circuit for protecting a battery for an electric vehicle includes a high voltage battery configured to output a DC voltage, an inverter configured to selectively receive the DC voltage from the high voltage battery and invert the DC voltage into an AC voltage when the inverter receives the DC voltage, a relay disposed between the high voltage battery and the inverter and configured to selectively block the DC voltage from the high voltage battery to the inverter, and a battery management system including a microchip configured to output a main relay control signal for controlling the relay. The battery management system is configured to receive the DC voltage from the high voltage battery, and output a voltage relay control signal controlling the relay separately from the control by the microchip.Type: GrantFiled: August 14, 2014Date of Patent: September 12, 2017Assignee: HYUNDAI MOTOR COMPANYInventors: Hee Sung Moon, Jun Seok Choi, Woo Jin Shin
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Patent number: 9711781Abstract: An apparatus for preventing battery overcharge is provided and includes a plurality of holders interposed between cells stacked within a battery to enclose the cells in a stacking direction. An installation space is formed between outer parts of at least two holders that enclose the cells. In addition, a fluid pouch is disposed within the installation space and adjacent to the cells inside the installation space, and contains a fluid therein. A cutting part is disposed within the installation space and has a first end disposed adjacent to the fluid pouch, and has a cutter edge heading between a lead tab and a bus bar at a second end of the cutting part.Type: GrantFiled: July 16, 2014Date of Patent: July 18, 2017Assignee: Hyundai Motor CompanyInventors: Jeong Hun Seo, Yong Jin Lee, Yeon Man Jeong, Hae Kyu Lim, Dal Kim, Jun Seok Choi, Yoon Cheol Jeon
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Patent number: 9694708Abstract: A battery assembly mounted on a hybrid electric vehicle is provided that prevents thermal runaway caused by overcharging. The battery assembly includes a battery having a plurality of cells and a protection switch disposed opposite to the battery. A relay is configured to turn on or off according to an operation of the protection switch and a PRA (power relay assembly) is connected between the relay and the battery.Type: GrantFiled: August 26, 2014Date of Patent: July 4, 2017Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yooncheol Jeon, Jeong Hun Seo, Yongjin Lee, Hae Kyu Lim, Jin Ho Park, Jun Seok Choi, Jun Ho Bang
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Patent number: 9577240Abstract: Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate.Type: GrantFiled: August 5, 2013Date of Patent: February 21, 2017Assignee: LG CHEM, LTD.Inventors: Jun-Seok Choi, Jin-Kyu Lee, Tae-Hwan Roh, Seung-Don Choi, Seong-Tae Kim, Tae-Hyuck Kim, Jung-Hoon Yang, Min-Chul Jang, In-Cheol Shin, Dal-Mo Kang
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Patent number: 9425488Abstract: An apparatus preventing overcharging of a battery and a battery including the apparatus are provided. The apparatus includes holders interposed on respective gaps between battery cells to be stacked and an installation space formed between borders of adjacent holders. A cutting module is inserted into the installation space and an inserted end thereof is disposed between the cells adjacent to an inner side of the installation space to be fixed to a holder and an exposed end thereof has a cutter blade directed to a gap between a lead tap and a bus bar bonded together that is formed. The gap between the ends is connected with a plurality of hinges to compress the hinges to be unfolded when the cell is expanded in a side direction and to deploy the exposed end outwardly for the cutter blade to separate the bonding of the lead tap and the bus bar.Type: GrantFiled: July 17, 2014Date of Patent: August 23, 2016Assignee: Hyundai Motor CompanyInventors: Jeong Hun Seo, Yeon Man Jeong, Yoon Cheol Jeon, Hae Kyu Lim, Jun Seok Choi, Yong Jin Lee
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Patent number: 9413038Abstract: Disclosed herein is a battery module having a plurality of battery cells electrically connected to each other, the battery module including a voltage sensing unit including voltage sensing terminals electrically connected to electrode terminal connection portions of the battery cells and a conduction part connected to the voltage sensing terminals to transmit voltages detected by the voltage sensing terminals to a module control unit and a signal cutoff unit located between the voltage sensing terminals and the conduction part to interrupt transmission of the detected voltages when a short circuit occurs in the conduction part.Type: GrantFiled: January 22, 2014Date of Patent: August 9, 2016Assignee: LG CHEM, LTD.Inventors: Jun Seok Choi, Jin Kyu Lee, SeongTae Kim, Tae Hyuck Kim, Tae Hwan Roh, Yong Shik Shin, DalMo Kang
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Patent number: 9147872Abstract: An overcharge prevention device of a battery is provided and includes a safety fuse which is connected to a battery and a safety circuit which is connected in parallel to the battery and the safety fuse and includes a short-circuit switch which is disposed adjacent to a side in which the battery is swelled. The short-circuit switch is opened in a normal state, and short-circuits when the switch is pressurized due to the swelling of the battery to form a closed circuit with the battery and the safety fuse.Type: GrantFiled: October 10, 2013Date of Patent: September 29, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hae Kyu Lim, Jeong Hun Seo, Suk Hyung Kim, Yoon Cheol Jeon, Jun Seok Choi, Eun Kyung Kim
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Publication number: 20150207188Abstract: A battery for a vehicle includes a heat dissipating panel interposed between battery cells. A heat pipe is arranged in the heat dissipating panel and has an upper end portion serving as a contact portion, which extends to be exposed upward outside from an upper end of the battery cell and is bent inward to the upper end of the battery cell. A heat dissipating fin is in tight contact with the contact portion of the heat pipe.Type: ApplicationFiled: June 23, 2014Publication date: July 23, 2015Inventors: Jun Seok CHOI, Hae Kyu LIM, Yoon Cheol JEON, Jeong Hun SEO, Yong Jin LEE