Patents by Inventor Hae In Choi
Hae In 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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Patent number: 12142959Abstract: Discussed is a method for managing a battery that includes a plurality of battery cells, the method including a reference charging power limit setting operation of setting a referential predetermined charging power limit, and a real-time charging power limit setting operation of calculating a real-time charging power limit in real-time according to a real-time voltage of the battery and setting a real-time charging power limit of the battery. The real-time voltage of the battery is determined based on a voltage of one battery cell among the plurality of battery cells.Type: GrantFiled: February 16, 2023Date of Patent: November 12, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventor: Hae In Choi
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Publication number: 20240356355Abstract: Discussed is a method for managing a battery that includes a plurality of battery cells, the method being part of a control strategy programmed into a module battery management system (MBMS), the method includes a reference discharging power limit setting operation, via the MBMS, of setting a referential predetermined discharging power limit, a real-time discharging power limit setting operation, via the MBMS, of setting a real-time discharging power limit of the battery by reducing the reference predetermined discharging power limit according to a real-time voltage of the battery.Type: ApplicationFiled: July 1, 2024Publication date: October 24, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventor: Hae In CHOI
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Patent number: 12057729Abstract: A method for setting a charging power limit of a battery when charging the battery, according to an embodiment of the present invention, may include a reference charging power limit setting step in which a referential predetermined charging power limit is set, a real-time charging power limit calculation step in which a real-time charging power limit is calculated in real time according to a current voltage of the battery, a real-time charging power limit setting step in which a charging power limit of the battery is set to the real-time charging power limit calculated in the real-time charging power limit calculation step, and a charging power limit restoring step in which the real-time charging power limit set in the real-time charging power limit setting step is restored to the referential predetermined charging power limit.Type: GrantFiled: September 22, 2022Date of Patent: August 6, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventor: Hae In Choi
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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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Publication number: 20230198279Abstract: Discussed is a method for managing a battery that includes a plurality of battery cells, the method including a reference charging power limit setting operation of setting a referential predetermined charging power limit, and a real-time charging power limit setting operation of calculating a real-time charging power limit in real-time according to a real-time voltage of the battery and setting a real-time charging power limit of the battery. The real-time voltage of the battery is determined based on a voltage of one battery cell among the plurality of battery cells.Type: ApplicationFiled: February 16, 2023Publication date: June 22, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventor: Hae In CHOI
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Publication number: 20230049423Abstract: A method for setting a charging power limit of a battery when charging the battery, according to an embodiment of the present invention, may include a reference charging power limit setting step in which a referential predetermined charging power limit is set, a real-time charging power limit calculation step in which a real-time charging power limit is calculated in real time according to a current voltage of the battery, a real-time charging power limit setting step in which a charging power limit of the battery is set to the real-time charging power limit calculated in the real-time charging power limit calculation step, and a charging power limit restoring step in which the real-time charging power limit set in the real-time charging power limit setting step is restored to the referential predetermined charging power limit.Type: ApplicationFiled: September 22, 2022Publication date: February 16, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventor: Hae In CHOI
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Patent number: 11482875Abstract: A method for setting a charging power limit of a battery when charging the battery, including a reference charging power limit setting step of setting a referential predetermined charging power limit, a real-time charging power limit calculation step of calculating a real-time charging power limit in real-time according to a real-time voltage of the battery, a real-time charging power limit setting step of setting a charging power limit of the battery to the real-time charging power limit calculated in the real-time charging power limit calculation step, and a charging power limit restoring step of restoring the real-time charging power limit set in the real-time charging power limit setting step to the referential predetermined charging power limit.Type: GrantFiled: October 8, 2018Date of Patent: October 25, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventor: Hae In Choi
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Patent number: 11331261Abstract: The present invention relates to a transdermal delivery complex using a metal-organic framework (MOF) and nanocellulose. In addition, the present invention relates to a cosmetic composition comprising the transdermal delivery complex and a method for preparation of a transdermal delivery complex.Type: GrantFiled: December 20, 2018Date of Patent: May 17, 2022Assignee: H&A PHARMACHEM CO., LTDInventors: Hong Geun Ji, Young Ah Park, Hae In Choi, Yu Jin Kang, Min Hee Kim
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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: 20220071882Abstract: The present invention relates to a transdermal delivery complex using a metal-organic framework (MOF) and a triblock copolymer. In addition, the present invention relates to a cosmetic composition comprising the transdermal delivery complex and a method for preparing a transdermal delivery complex.Type: ApplicationFiled: December 5, 2019Publication date: March 10, 2022Inventors: Hong Geun JI, Young Ah PARK, Hae In CHOI, Yu Jin KANG
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Patent number: 11260010Abstract: The present invention relates to cochleates using phosphatidylserine/anionic surfactant/calcium chloride and, more specifically, to cochleates comprising phosphatidylserine, an anionic surfactant, calcium chloride, an active ingredient, and water.Type: GrantFiled: November 26, 2018Date of Patent: March 1, 2022Assignee: H&A PHARMACHEM CO., LTDInventors: Hong Geun Ji, Hae In Choi, Young Ah Park, Yu Jin Kang
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Patent number: 11041913Abstract: The present disclosure relates to a battery aging state calculation method and device, and more particularly, to a battery aging state calculation method and device for calculating a (i.e., State of Health (SOH)) according to each execution operation and calculating a final battery SOH based on charge/discharge execution counts to improve the accuracy of the battery SOH.Type: GrantFiled: October 31, 2017Date of Patent: June 22, 2021Inventors: Hae In Choi, Jong Bum Lee
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Publication number: 20200375878Abstract: The present invention relates to a transdermal delivery complex using a metal-organic framework (MOF) and nanocellulose. In addition, the present invention relates to a cosmetic composition comprising the transdermal delivery complex and a method for preparation of a transdermal delivery complex.Type: ApplicationFiled: December 20, 2018Publication date: December 3, 2020Inventors: Hong Geun JI, Young Ah PARK, Hae In CHOI, Yu Jin KANG, Min Hee KIM
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Publication number: 20200352841Abstract: The present invention relates to cochleates using phosphatidylserine/anionic surfactant/calcium chloride and, more specifically, to cochleates comprising phosphatidylserine, an anionic surfactant, calcium chloride, an active ingredient, and water.Type: ApplicationFiled: November 26, 2018Publication date: November 12, 2020Inventors: Hong Geun JI, Hae In CHOI, Young Ah PARK, Yu Jin KANG
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Publication number: 20200343758Abstract: A method for setting a charging power limit of a battery when charging the battery, including a reference charging power limit setting step of setting a referential predetermined charging power limit, a real-time charging power limit calculation step of calculating a real-time charging power limit in real-time according to a real-time voltage of the battery, a real-time charging power limit setting step of setting a charging power limit of the battery to the real-time charging power limit calculated in the real-time charging power limit calculation step, and a charging power limit restoring step of restoring the real-time charging power limit set in the real-time charging power limit setting step to the referential predetermined charging power limit.Type: ApplicationFiled: October 8, 2018Publication date: October 29, 2020Applicant: LG CHEM, LTD.Inventor: Hae In CHOI
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Patent number: 10527656Abstract: A battery power table setting method for using battery power efficiently and preventing battery overcharge includes: a first table generation operation for generating a first table by measuring a maximum charging power that prevents an output of a battery from being more than a maximum allowable voltage when the battery having a predetermined SOC value is charged at a predetermined temperature for a predetermined time; a second table generation operation for generating a second table by measuring an SOC value at the time point that the battery reaches the maximum allowable voltage when the battery is charged with a predetermined power value at a predetermined temperature; a third table generation operation for generating a third table by calculating a second maximum charging power according to a predetermined temperature and a predetermined SOC value based on the second table; and a derating table generation operation for generating a derating table.Type: GrantFiled: October 26, 2017Date of Patent: January 7, 2020Assignee: LG Chem, Ltd.Inventors: Hae In Choi, Jung Soo Kang, Young Bo Cho, Gyong Jin Oh, Jong Bum Lee
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Publication number: 20180120385Abstract: The present disclosure relates to a battery aging state calculation method and device, and more particularly, to a battery aging state calculation method and device for calculating a (i.e., State of Health (SOH)) according to each execution operation and calculating a final battery SOH based on charge/discharge execution counts to improve the accuracy of the battery SOH.Type: ApplicationFiled: October 31, 2017Publication date: May 3, 2018Applicant: LG Chem, Ltd.Inventors: Hae In Choi, Jong Bum Lee
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Publication number: 20180120361Abstract: A battery power table setting method for using battery power efficiently and preventing battery overcharge includes: a first table generation operation for generating a first table by measuring a maximum charging power that prevents an output of a battery from being more than a maximum allowable voltage when the battery having a predetermined SOC value is charged at a predetermined temperature for a predetermined time; a second table generation operation for generating a second table by measuring an SOC value at the time point that the battery reaches the maximum allowable voltage when the battery is charged with a predetermined power value at a predetermined temperature; a third table generation operation for generating a third table by calculating a second maximum charging power according to a predetermined temperature and a predetermined SOC value based on the second table; and a derating table generation operation for generating a derating table.Type: ApplicationFiled: October 26, 2017Publication date: May 3, 2018Applicant: LG Chem, Ltd.Inventors: Hae In Choi, Jung Soo Kang, Young Bo Cho, Gyong Jin Oh, Jong Bum Lee