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).
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Patent number: 11637330Abstract: 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: GrantFiled: November 5, 2020Date of Patent: April 25, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Duk Jin Oh, Young Hun Sung, Ju Wan Lim, Daeryong Jung
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Patent number: 11549989Abstract: 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: GrantFiled: September 28, 2021Date of Patent: January 10, 2023Assignee: Samsung Electronics Co., Ltd.Inventors: Daeryong Jung, Duk Jin Oh, Ju Wan Lim
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Publication number: 20220407324Abstract: A processor-implemented method with charging control includes: estimating respective step degradation amounts in charging steps of a first charging interval for each of first candidate current patterns of charging a battery from a first state of charge (SOC) level to a second SOC level during the first charging interval; determining an interval degradation amount in the first charging interval for each of the first candidate current patterns, based on the estimated step degradation amounts; and selecting a first representative current pattern indicating a minimum degradation amount from among the first candidate current patterns, based on the determined interval degradation amounts.Type: ApplicationFiled: January 13, 2022Publication date: December 22, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Daeryong JUNG, Jinho KIM, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
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Publication number: 20220381830Abstract: To generate a charging path for a battery, a method includes generating simulation data for charging currents based on a battery model indicating an internal state of a battery, generating an initial look-up table (LUT) for the charging currents and preset battery voltage limits based on the simulation data, the initial LUT representing initial charging limit conditions of the battery for stages corresponding to the charging currents, generating a modified LUT by adjusting at least one of the initial charging limit conditions of the initial LUT, in response to the initial LUT failing to satisfy a threshold, determining a final LUT based on the modified LUT, in response to the modified LUT satisfying the threshold, and generating a charging path for the battery based on the final LUT.Type: ApplicationFiled: October 26, 2021Publication date: December 1, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Ju Wan LIM, Daeryong JUNG, Jinho KIM, Young Hun SUNG, Duk Jin OH, Myeongjae LEE
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Patent number: 11489358Abstract: 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: GrantFiled: December 17, 2020Date of Patent: November 1, 2022Assignee: Samsung Electronics Co., Ltd.Inventor: Daeryong Jung
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Patent number: 11428743Abstract: 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: GrantFiled: April 2, 2019Date of Patent: August 30, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Ju Wan Lim, Duk Jin Oh, Daeryong Jung
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Publication number: 20220200293Abstract: A short circuit detection method includes obtaining battery data associated with a state of a battery from a charging cycle of the battery, estimating an error in the battery data using an estimation model, determining a state indicator corresponding to the error in the battery data, and detecting a short circuit of the battery based on a result of comparing the state indicator and a short circuit threshold.Type: ApplicationFiled: June 8, 2021Publication date: June 23, 2022Applicant: Samsung Electronics Co., LtdInventors: Myeongjae LEE, Ju Wan LIM, Duk Jin OH, Jinho KIM, Young Hun SUNG, Daeryong JUNG
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Patent number: 11368034Abstract: 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: GrantFiled: September 2, 2020Date of Patent: June 21, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Daeryong Jung, Young Hun Sung, Duk Jin Oh, Ju Wan Lim
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Publication number: 20220115875Abstract: Disclosed is a method and apparatus for charging a battery, the method includes a method of charging a battery, the method including determining an aging rate coefficient based on an internal state of the battery and an aging parameter related to aging of the battery, predicting an aging rate of the battery based on the aging rate coefficient, and determining whether to change a charging limit condition to charge the battery based on a comparison between the predicted aging rate and a target aging rate.Type: ApplicationFiled: April 23, 2021Publication date: April 14, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Daeryong JUNG, Ju Wan LIM, Jinho KIM, Young Hun SUNG, Duk Jin OH
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Publication number: 20220014026Abstract: 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: ApplicationFiled: September 28, 2021Publication date: January 13, 2022Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Daeryong JUNG, Duk Jin OH, Ju Wan LIM
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Patent number: 11139668Abstract: 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: GrantFiled: February 14, 2019Date of Patent: October 5, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Daeryong Jung, Duk Jin Oh, Ju Wan Lim
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Patent number: 11088558Abstract: 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: GrantFiled: July 2, 2020Date of Patent: August 10, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Daeryong Jung, Jinho Kim, Myung Hoon Kim, Young Hun Sung, Duk Jin Oh, Ju Wan Lim
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Patent number: 11050285Abstract: 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: GrantFiled: December 9, 2019Date of Patent: June 29, 2021Assignee: Samsung Electronics Co., Ltd.Inventor: Daeryong Jung
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Publication number: 20210104898Abstract: 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: ApplicationFiled: December 17, 2020Publication date: April 8, 2021Applicant: Samsung Electronics Co., Ltd.Inventor: Daeryong JUNG
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Publication number: 20210066945Abstract: A method and apparatus for charging a battery that estimates an aging mode of the battery that reflects an aging factor and an aging degree of the battery based on a battery characteristic corresponding to a charging level of the battery, updates a battery model based on the aging mode, and charges the battery using the updated battery model.Type: ApplicationFiled: April 8, 2020Publication date: March 4, 2021Applicants: Samsung Electronics Co., Ltd., Samsung SDI Co., Ltd.Inventors: Daeryong JUNG, Duk Jin OH, Jinho KIM
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Publication number: 20210053450Abstract: 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: ApplicationFiled: November 5, 2020Publication date: February 25, 2021Applicant: Samsung Electronics Co., Ltd.Inventors: Duk Jin OH, Young Hun SUNG, Ju Wan LIM, Daeryong JUNG
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Patent number: 10903673Abstract: 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: GrantFiled: January 6, 2017Date of Patent: January 26, 2021Assignee: Samsung Electronics Co., Ltd.Inventor: Daeryong Jung
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Publication number: 20200403417Abstract: 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: ApplicationFiled: September 2, 2020Publication date: December 24, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Daeryong JUNG, Young Hun SUNG, Duk Jin OH, Ju Wan LIM
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Patent number: 10857895Abstract: 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: GrantFiled: October 9, 2018Date of Patent: December 8, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Duk Jin Oh, Young Hun Sung, Ju Wan Lim, Daeryong Jung
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Publication number: 20200335993Abstract: 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: ApplicationFiled: July 2, 2020Publication date: October 22, 2020Applicant: Samsung Electronics Co., Ltd.Inventors: Daeryong JUNG, Jinho KIM, Myung Hoon KIM, Young Hun SUNG, Duk Jin OH, Ju Wan LIM