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).

  • Patent number: 12142959
    Abstract: 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: Grant
    Filed: February 16, 2023
    Date of Patent: November 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Hae In Choi
  • Publication number: 20240356355
    Abstract: 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: Application
    Filed: July 1, 2024
    Publication date: October 24, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hae In CHOI
  • Patent number: 12057729
    Abstract: 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: Grant
    Filed: September 22, 2022
    Date of Patent: August 6, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Hae In Choi
  • Patent number: 11967847
    Abstract: 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: Grant
    Filed: March 16, 2020
    Date of Patent: April 23, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sung Yul Yoon, Yoon Joon Choi, Hae In Choi, Jae Sung Im, Hyo Seok Lee
  • Publication number: 20230198279
    Abstract: 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: Application
    Filed: February 16, 2023
    Publication date: June 22, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hae In CHOI
  • Publication number: 20230049423
    Abstract: 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: Application
    Filed: September 22, 2022
    Publication date: February 16, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventor: Hae In CHOI
  • Patent number: 11482875
    Abstract: 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: Grant
    Filed: October 8, 2018
    Date of Patent: October 25, 2022
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventor: Hae In Choi
  • Patent number: 11331261
    Abstract: 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: Grant
    Filed: December 20, 2018
    Date of Patent: May 17, 2022
    Assignee: H&A PHARMACHEM CO., LTD
    Inventors: Hong Geun Ji, Young Ah Park, Hae In Choi, Yu Jin Kang, Min Hee Kim
  • Publication number: 20220140618
    Abstract: 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: Application
    Filed: March 16, 2020
    Publication date: May 5, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sung Yul YOON, Yoon Joon CHOI, Hae In CHOI, Jae Sung IM, Hyo Seok LEE
  • Publication number: 20220071882
    Abstract: 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: Application
    Filed: December 5, 2019
    Publication date: March 10, 2022
    Inventors: Hong Geun JI, Young Ah PARK, Hae In CHOI, Yu Jin KANG
  • Patent number: 11260010
    Abstract: 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: Grant
    Filed: November 26, 2018
    Date of Patent: March 1, 2022
    Assignee: H&A PHARMACHEM CO., LTD
    Inventors: Hong Geun Ji, Hae In Choi, Young Ah Park, Yu Jin Kang
  • Patent number: 11041913
    Abstract: 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: Grant
    Filed: October 31, 2017
    Date of Patent: June 22, 2021
    Inventors: Hae In Choi, Jong Bum Lee
  • Publication number: 20200375878
    Abstract: 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: Application
    Filed: December 20, 2018
    Publication date: December 3, 2020
    Inventors: Hong Geun JI, Young Ah PARK, Hae In CHOI, Yu Jin KANG, Min Hee KIM
  • Publication number: 20200352841
    Abstract: 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: Application
    Filed: November 26, 2018
    Publication date: November 12, 2020
    Inventors: Hong Geun JI, Hae In CHOI, Young Ah PARK, Yu Jin KANG
  • Publication number: 20200343758
    Abstract: 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: Application
    Filed: October 8, 2018
    Publication date: October 29, 2020
    Applicant: LG CHEM, LTD.
    Inventor: Hae In CHOI
  • Patent number: 10527656
    Abstract: 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: Grant
    Filed: October 26, 2017
    Date of Patent: January 7, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hae In Choi, Jung Soo Kang, Young Bo Cho, Gyong Jin Oh, Jong Bum Lee
  • Publication number: 20180120385
    Abstract: 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: Application
    Filed: October 31, 2017
    Publication date: May 3, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Hae In Choi, Jong Bum Lee
  • Publication number: 20180120361
    Abstract: 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: Application
    Filed: October 26, 2017
    Publication date: May 3, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Hae In Choi, Jung Soo Kang, Young Bo Cho, Gyong Jin Oh, Jong Bum Lee