Patents by Inventor Sung Yul YOON
Sung Yul YOON 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: 11967847Abstract: A battery bank control device is provided for setting a power limit value of a battery bank in which a plurality of battery racks (BRs) are connected in parallel. The device includes: a voltage measurement unit measuring a voltage of each BR of the plurality of BRs; a first power limit calculation unit calculating a first power limit value according to a state of charge (SOC) calculated based on the voltage of each BR with respect to each BR; a capacity ratio calculation unit calculating a capacity ratio of each BR based on capacity information of the plurality of BRs; a second power limit calculation unit calculating a second power limit value using the capacity ratio and the first power limit value of each BR; and a battery bank power limit calculation unit calculating a battery bank power limit value using the second power limit value of each BR.Type: GrantFiled: March 16, 2020Date of Patent: April 23, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung Yul Yoon, Yoon Joon Choi, Hae In Choi, Jae Sung Im, Hyo Seok Lee
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Patent number: 11965936Abstract: A battery diagnosis apparatus for diagnosing a battery including battery cells, the apparatus according to an embodiment may include a voltage measurer for measuring the voltage of each battery cell during a preset period of time, a voltage variation calculator for calculating an individual voltage variation of each battery cell during the preset period of time, an average voltage variation calculator for calculating an average voltage variation of the battery cells during the preset period of time, and an abnormality detector for determining that a voltage abnormality has occurred in at least one battery cell among the battery cells when a difference between the voltage variation of the at least one battery cell and the average voltage variation of the at least one battery cell is greater than a threshold value.Type: GrantFiled: July 23, 2020Date of Patent: April 23, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hyun Chul Lee, Dong Keun Kwon, Sung Yul Yoon, Seung Hyun Kim, An Soo Kim
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Patent number: 11815558Abstract: The present disclosure relates to a battery management system and method for diagnosing abnormal deterioration of a battery cell, and provides the battery management system including an SOC calculation unit for calculating a state of charge (SOC) of a plurality of battery cells, a change amount calculation unit for calculating, for each of the plurality of battery cells, an SOC change amount that is a change amount of the calculated SOC during a preset period and an SOC change amount average that is an average of the SOC change amount of all the plurality of battery cells, and an abnormal deterioration diagnosis unit for diagnosing an abnormal deterioration of each of the plurality of battery cells using the SOC change amount and the SOC change amount average thereby accurately diagnosing abnormal deterioration of battery cells.Type: GrantFiled: July 24, 2020Date of Patent: November 14, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hyun Chul Lee, Dong Keun Kwon, Sung Yul Yoon, Seung Hyun Kim, An Soo Kim, Chae Bin Shin
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Patent number: 11815559Abstract: An apparatus for diagnosing a battery cell according to an embodiment may include a voltage measurer that measures a voltage of each battery cell of a battery module in a state of an open circuit voltage of a battery, a memory that stores the measured voltage at predetermined time intervals, and an abnormality detector that compares a current measured voltage with a measured voltage before a preset time for each battery cell and determines that an abnormality has occurred in a first battery cell among the battery cells when a difference between the current measured voltage of the at least one battery cell and the measured voltage of the at least one battery cell before the preset time exceeds a reference value.Type: GrantFiled: July 3, 2020Date of Patent: November 14, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung Yul Yoon, Dong Keun Kwon, Hyun Chul Lee, Seung Hyun Kim, An Soo Kim
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Patent number: 11796599Abstract: A battery diagnosis apparatus according to the present disclosure includes a voltage measurer for measuring a cell voltage of each of first to nth battery cells and a processor, wherein n is a natural number of 2 or greater. The processor determines an average cell voltage of each battery cell for a first rest period from a first time point to a second time point, based on the cell voltage of each battery cell measured a first number of times for the first rest period, determines an average cell voltage of each battery cell for a second rest period and diagnoses a fault of each battery cell based on the average cell voltage of each battery cell for the first rest period and the average cell voltage of each battery cell for the second rest period.Type: GrantFiled: September 28, 2020Date of Patent: October 24, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hyun-Chul Lee, Dong-Keun Kwon, Seung-Hyun Kim, An-Soo Kim, Sung-Yul Yoon
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Publication number: 20230108798Abstract: A battery management apparatus according to the present disclosure includes a voltage measurement circuit to measure a cell voltage of each of a plurality of battery cells; and a control unit to determine the cell voltage of each of the plurality of battery cells and a reference voltage of the plurality of battery cells at a preset time interval during a rest period. The control unit determines a first accumulated change of the cell voltage of each battery cell during the rest period. The control unit determines a second accumulated change of the reference voltage during the rest period. The control unit determines whether each battery cell is defective by comparing the first accumulated change of each battery cell with the second accumulated change.Type: ApplicationFiled: July 30, 2021Publication date: April 6, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Myung-Hyun SHIM, Sung-Yul YOON, Ki-Woong KIM, Won-Kyung KIM, Jeong-Bin LEE, Jae-Sung IM, Won-Bin CHOI
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Patent number: 11567141Abstract: A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells and a BMS for controlling the battery pack. The BMS may include a state-of-charge (SOC) calculation module for calculating a SOC of each of the plurality of battery cells included in the battery pack and a faulty battery cell detection unit for detecting at least one faulty battery cell on the basis of the calculated SOC of each of the plurality of battery cells.Type: GrantFiled: June 19, 2020Date of Patent: January 31, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: An Soo Kim, Dong Keun Kwon, Hyun Chul Lee, Sung Yul Yoon, Seung Hyun Kim, Jae Sung Im
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Publication number: 20220404419Abstract: A battery data management system includes a communication device for obtaining state data of a battery from a battery management system and transmitting the state data of the battery to an outside and a management server for managing the state data of the battery, received from the communication device through a first network.Type: ApplicationFiled: April 7, 2022Publication date: December 22, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Young Chang JO, Hyun Ju HONG, Sung Yul YOON, Jae Kwang JEON, Jeong Bin LEE, Jae Sung IM, Won Kyung KIM, Won Bin CHOI, Myung Hyun SHIM
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Publication number: 20220317196Abstract: The present disclosure relates to a battery management system—and method for diagnosing abnormal deterioration of a battery cell, and provides the battery management system including an SOC calculation unit for calculating a state of charge (SOC) of a plurality of battery cells, a change amount calculation unit for calculating, for each of the plurality of battery cells, an SOC change amount that is a change amount of the calculated SOC during a preset period and an SOC change amount average that is an average of the SOC change amount of all the plurality of battery cells, and an abnormal deterioration diagnosis unit for diagnosing an abnormal deterioration of each of the plurality of battery cells using the SOC change amount and the SOC change amount average thereby accurately diagnosing abnormal deterioration of battery cells.Type: ApplicationFiled: July 24, 2020Publication date: October 6, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hyun Chul LEE, Dong Keun KWON, Sung Yul YOON, Seung Hyun KIM, An Soo KIM, Chae Bin SHIN
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Publication number: 20220268844Abstract: A communication apparatus according to an embodiment disclosed herein includes a data collecting unit configured to obtain log information about a state of a battery from a battery management system that manages the battery, a first storing unit including reference log information for determining abnormality of the battery, and a diagnosing unit configured to diagnose abnormality of the battery by comparing the log information about the state of the battery with the reference log information.Type: ApplicationFiled: April 7, 2022Publication date: August 25, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Young Chang JO, Hyun Ju HONG, Sung Yul YOON, Jae Kwang JEON, Jeong Bin LEE, Jae Sung IM, Won Kyung KIM, Won Bin CHOI, Myung Hyun SHIM
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Publication number: 20220268843Abstract: A battery analysis apparatus according to an embodiment disclosed herein includes a site information generating unit configured to generate information of an energy storage system (ESS) site, a data collecting unit configured to collect state data of at least one battery included in the ESS site, and an analyzing unit configured to analyze a state of the battery based on the state data of the battery.Type: ApplicationFiled: April 7, 2022Publication date: August 25, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Jae Kwang JEON, Young Chang JO, Sung Yul YOON, Jeong Bin LEE, Jae Sung IM, Won Kyung KIM, Won Bin CHOI, Myung Hyun SHIM
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Publication number: 20220229122Abstract: A battery diagnosis apparatus for diagnosing a battery including battery cells, the apparatus according to an embodiment may include a voltage measurer for measuring the voltage of each battery cell during a preset period of time, a voltage variation calculator for calculating an individual voltage variation of each battery cell during the preset period of time, an average voltage variation calculator for calculating an average voltage variation of the battery cells during the preset period of time, and an abnormality detector for determining that a voltage abnormality has occurred in at least one battery cell among the battery cells when a difference between the voltage variation of the at least one battery cell and the average voltage variation of the at least one battery cell is greater than a threshold value.Type: ApplicationFiled: July 23, 2020Publication date: July 21, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hyun Chul LEE, Dong Keun KWON, Sung Yul YOON, Seung Hyun KIM, An Soo KIM
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Publication number: 20220221527Abstract: An apparatus for diagnosing a battery cell according to an embodiment may include a voltage measurer that measures a voltage of each battery cell of a battery module in a state of an open circuit voltage of a battery, a memory that stores the measured voltage at predetermined time intervals, and an abnormality detector that compares a current measured voltage with a measured voltage before a preset time for each battery cell and determines that an abnormality has occurred in a first battery cell among the battery cells when a difference between the current measured voltage of the at least one battery cell and the measured voltage of the at least one battery cell before the preset time exceeds a reference value.Type: ApplicationFiled: July 3, 2020Publication date: July 14, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sung Yul YOON, Dong Keun KWON, Hyun Chul LEE, Seung Hyun KIM, An Soo KIM
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Publication number: 20220196752Abstract: A battery diagnosis apparatus according to the present disclosure includes a voltage measurer for measuring a cell voltage of each of first to nth battery cells and a processor, wherein n is a natural number of 2 or greater. The processor determines an average cell voltage of each battery cell for a first rest period from a first time point to a second time point, based on the cell voltage of each battery cell measured a first number of times for the first rest period, determines an average cell voltage of each battery cell for a second rest period and diagnoses a fault of each battery cell based on the average cell voltage of each battery cell for the first rest period and the average cell voltage of each battery cell for the second rest period.Type: ApplicationFiled: September 28, 2020Publication date: June 23, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Hyun-Chul LEE, Dong-Keun KWON, Seung-Hyun KIM, An-Soo KIM, Sung-Yul YOON
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Publication number: 20220140618Abstract: A battery bank control device is provided for setting a power limit value of a battery bank in which a plurality of battery racks (BRs) are connected in parallel. The device includes: a voltage measurement unit measuring a voltage of each BR of the plurality of BRs; a first power limit calculation unit calculating a first power limit value according to a state of charge (SOC) calculated based on the voltage of each BR with respect to each BR; a capacity ratio calculation unit calculating a capacity ratio of each BR based on capacity information of the plurality of BRs; a second power limit calculation unit calculating a second power limit value using the capacity ratio and the first power limit value of each BR; and a battery bank power limit calculation unit calculating a battery bank power limit value using the second power limit value of each BR.Type: ApplicationFiled: March 16, 2020Publication date: May 5, 2022Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sung Yul YOON, Yoon Joon CHOI, Hae In CHOI, Jae Sung IM, Hyo Seok LEE
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Publication number: 20200408849Abstract: A battery pack according to an embodiment of the present disclosure may include a plurality of battery cells and a BMS for controlling the battery pack. The BMS may include a state-of-charge (SOC) calculation module for calculating a SOC of each of the plurality of battery cells included in the battery pack and a faulty battery cell detection unit for detecting at least one faulty battery cell on the basis of the calculated SOC of each of the plurality of battery cells.Type: ApplicationFiled: June 19, 2020Publication date: December 31, 2020Applicant: LG CHEM, LTD.Inventors: An Soo KIM, Dong Keun KWON, Hyun Chul LEE, Sung Yul YOON, Seung Hyun KIM, Jae Sung IM
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Patent number: 10424946Abstract: Disclosed is an apparatus for efficiently managing a battery system in a situation where a charge or discharge power varies with time. The apparatus for managing a battery system includes a power measuring unit configured to measure the magnitude of a charge power supplied to a battery system or a discharge power output from the battery system, a reference setting unit configured to variably set a power distribution reference according to the measured magnitude of power, and a power distributing unit configured to distribute and supply a charge power to battery units having different outputs and capacities according to the set power distribution reference or allow a discharge power to be distributed and output from battery units having different outputs and capacities according to the set power distribution reference.Type: GrantFiled: June 15, 2017Date of Patent: September 24, 2019Assignee: LG CHEM, LTD.Inventors: Sung-Yul Yoon, Young-Bo Cho
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Patent number: 10018683Abstract: The present disclosure relates to an open circuit voltage estimating apparatus capable of estimating an open circuit voltage even when a battery cell does not have a rest time.Type: GrantFiled: October 30, 2015Date of Patent: July 10, 2018Assignee: LG CHEM, LTD.Inventors: Sung-Yul Yoon, Jeong-Seok Park, Gyong-Jin Oh, Young-Bo Cho
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Patent number: 9882409Abstract: Provided are system and method for correcting a state-of-charging (SOC) of a battery. The system for correcting the SOC of the battery includes an SOC measuring unit measuring an SOC value of the battery, a storage unit storing preset operation ranges to determine whether charging/discharging of the battery is compensated, a determining unit determining an operation range corresponding to the SOC value of the battery among the preset operation ranges, and an SOC correcting unit adjusting a dead band in charging/discharging directions or charging/discharging power according to the result determined in the determining unit to correct the SOC value of the battery.Type: GrantFiled: October 20, 2015Date of Patent: January 30, 2018Assignee: LG CHEM, LTD.Inventors: Jeong Seok Park, Sung Yul Yoon, Tae Shin Cho, Young Bo Cho
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Publication number: 20170366021Abstract: Disclosed is an apparatus for efficiently managing a battery system in a situation where a charge or discharge power varies with time. The apparatus for managing a battery system includes a power measuring unit configured to measure the magnitude of a charge power supplied to a battery system or a discharge power output from the battery system, a reference setting unit configured to variably set a power distribution reference according to the measured magnitude of power, and a power distributing unit configured to distribute and supply a charge power to battery units having different outputs and capacities according to the set power distribution reference or allow a discharge power to be distributed and output from battery units having different outputs and capacities according to the set power distribution reference.Type: ApplicationFiled: June 15, 2017Publication date: December 21, 2017Applicant: LG CHEM, LTD.Inventors: Sung-Yul YOON, Young-Bo CHO