Patents by Inventor Daeryong Jung

Daeryong Jung 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: 10797501
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daeryong Jung, Young Hun Sung, Duk Jin Oh, Ju Wan Lim
  • Patent number: 10720786
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daeryong Jung, Jinho Kim, Myung Hoon Kim, Young Hun Sung, Duk Jin Oh, Ju Wan Lim
  • Publication number: 20200124679
    Abstract: A battery charging method includes: charging a battery based on a charging profile; and in response to a charging termination event occurring, terminating the charging of the battery, wherein the charging profile is determined using weight information derived based on battery characteristic information and a basic charging profile.
    Type: Application
    Filed: April 2, 2019
    Publication date: April 23, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ju Wan LIM, Duk Jin OH, Daeryong JUNG
  • Publication number: 20200119562
    Abstract: A battery charging method includes determining a battery overpotential based on a reference physical quantity and a battery physical quantity corresponding to a charging capacity of a battery while charging the battery in an initial charging step, determining whether a condition for changing a battery charging step is satisfied based on the battery overpotential, and changing the battery charging step from the initial charging step to an adjusted charging step in response to the condition being satisfied.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 16, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Daeryong Jung
  • Publication number: 20200103469
    Abstract: Disclosed is a charging method and apparatus which is optimized based on an electrochemical model, the charging method includes estimating an internal state of a battery, determining a charging limitation condition corresponding to a plurality of charging areas based on the internal state, and charging the battery based on the charging limitation condition.
    Type: Application
    Filed: February 14, 2019
    Publication date: April 2, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daeryong JUNG, Duk Jin OH, Ju Wan LIM
  • Patent number: 10566818
    Abstract: Provided are a battery charging method, a battery charging information generating method, and a battery charging apparatus. The battery charging apparatus may measure a temperature of a battery, may estimate a state of charge (SOC) and a state of health (SOH) of the battery, may acquire an F mapping relationship that maps F values to C-rates and SOCs at the temperature and the SOH, the F value denoting a ratio of variation of SOC to variation of voltage, and may generate a charging profile that is a sequence of charging C-rates for each of the SOCs for charging the battery based on the estimated SOC and the F mapping relationship.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: February 18, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daeryong Jung, Jinho Kim
  • Patent number: 10536018
    Abstract: A battery charging method includes determining a battery overpotential based on a reference physical quantity and a battery physical quantity corresponding to a charging capacity of a battery while charging the battery in an initial charging step, determining whether a condition for changing a battery charging step is satisfied based on the battery overpotential, and changing the battery charging step from the initial charging step to an adjusted charging step in response to the condition being satisfied.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: January 14, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Daeryong Jung
  • Publication number: 20190202299
    Abstract: A battery charging method includes acquiring a functional relationship of a differential value of an amount of charge or a state of charge (SOC) with respect to a voltage of a battery based on the voltage or the SOC, determining charging steps for charging of the battery by analyzing the functional relationship, and generating a charging profile comprising charging currents for each of the charging steps to charge the battery.
    Type: Application
    Filed: October 9, 2018
    Publication date: July 4, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Duk Jin OH, Young Hun SUNG, Ju Wan LIM, Daeryong JUNG
  • Publication number: 20190190277
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus determines, in a present charging operation, a variation in a charging current to charge a battery based on a degradation condition of the battery and an internal state of the battery in the present charging operation, and determines a charging current of a subsequent charging operation based on the variation in the charging current in the present charging operation and the charging current in the present charging operation.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 20, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeryong JUNG, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
  • Publication number: 20190123574
    Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeryong JUNG, Jinho KIM, Myung Hoon KIM, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
  • Publication number: 20180145531
    Abstract: Provided are a battery charging method, a battery charging information generating method, and a battery charging apparatus. The battery charging apparatus may measure a temperature of a battery, may estimate a state of charge (SOC) and a state of health (SOH) of the battery, may acquire an F mapping relationship that maps F values to C-rates and SOCs at the temperature and the SOH, the F value denoting a ratio of variation of SOC to variation of voltage, and may generate a charging profile that is a sequence of charging C-rates for each of the SOCs for charging the battery based on the estimated SOC and the F mapping relationship.
    Type: Application
    Filed: October 19, 2017
    Publication date: May 24, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daeryong JUNG, Jinho KIM
  • Publication number: 20170194797
    Abstract: A battery charging method and corresponding apparatus include charging a battery based on an initial charging operation, and verifying whether a change event, with respect to a charging operation, occurs based on the charging of the battery. The battery charging method and corresponding apparatus also include changing the charging operation to an adjusted charging operation in response to verifying that the change event, with respect to the charging operation, occurs. The change event includes a physical quantity event in which a physical quantity of the battery sensed during a charging rest time of the initial charging operation is greater than or equal to a threshold physical quantity.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 6, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Daeryong JUNG
  • Publication number: 20170126023
    Abstract: A battery charging method includes determining a battery overpotential based on a reference physical quantity and a battery physical quantity corresponding to a charging capacity of a battery while charging the battery in an initial charging step, determining whether a condition for changing a battery charging step is satisfied based on the battery overpotential, and changing the battery charging step from the initial charging step to an adjusted charging step in response to the condition being satisfied.
    Type: Application
    Filed: September 2, 2016
    Publication date: May 4, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Daeryong JUNG
  • Patent number: 9640799
    Abstract: A negative electrode active material for a non-lithium secondary battery, the negative electrode active material including a complex including a hard carbon having a specific surface area of about 50 square meters per gram or less and a ratio of a D-band peak intensity to a G-band peak intensity of 1 or less when analyzed by Raman spectroscopy; and a component including at least one selected from a Group 1 element, an oxide of a Group 1 element, a Group 2 element, an oxide of a Group 2 element, an element of Groups 13 to 16, an oxide of an element of Groups 13 to 16, and an oxide of an element of Groups 3 to 12.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: May 2, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jaemyung Lee, Junhwan Ku, Seoksoo Lee, Wonseok Chang, Daeryong Jung
  • Publication number: 20150333326
    Abstract: A negative electrode active material for a non-lithium secondary battery, the negative electrode active material including a complex including a hard carbon having a specific surface area of about 50 square meters per gram or less and a ratio of a D-band peak intensity to a G-band peak intensity of 1 or less when analyzed by Raman spectroscopy; and a component including at least one selected from a Group 1 element, an oxide of a Group 1 element, a Group 2 element, an oxide of a Group 2 element, an element of Groups 13 to 16, an oxide of an element of Groups 13 to 16, and an oxide of an element of Groups 3 to 12.
    Type: Application
    Filed: November 11, 2014
    Publication date: November 19, 2015
    Inventors: Jaemyung Lee, Junhwan Ku, Seoksoo Lee, Wonseok Chang, Daeryong Jung