公开(公告)号：US20190190277A1

公开(公告)日：2019-06-20

申请号：US16023241

申请日：2018-06-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong JUNG ,  Young Hun SUNG ,  Duk Jin OH ,  Ju Wan LIM

IPC: H02J7/00 ,  H01M10/44 ,  H01M10/42 ,  H01M10/48

CPC classification number: H02J7/007 ,  B60L58/22 ,  H01M10/425 ,  H01M10/44 ,  H01M10/48 ,  H01M2010/4271 ,  H02J7/0047

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.

公开(公告)号：US20190202299A1

公开(公告)日：2019-07-04

申请号：US16154813

申请日：2018-10-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duk Jin OH ,  Young Hun SUNG ,  Ju Wan LIM ,  Daeryong JUNG

IPC: B60L11/18 ,  H02J7/00

CPC classification number: H02J7/0073 ,  H01M10/425 ,  H01M10/44 ,  H01M10/443 ,  H01M10/48 ,  H01M10/486 ,  H02J7/0078 ,  H02J7/0081 ,  H02J7/045

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.

公开(公告)号：US20170205468A1

公开(公告)日：2017-07-20

申请号：US15381255

申请日：2016-12-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang Do PARK ,  Duk Jin OH ,  Kae Weon YOU

IPC: G01R31/36 ,  H01M10/42 ,  H01M10/48

CPC classification number: G01R31/374 ,  G01R31/392 ,  G01R31/396 ,  H01M10/425 ,  H01M10/48 ,  H01M10/486

Abstract: A battery management apparatus and method to estimate a state of a battery is provided. The battery management apparatus includes a processor configured to collect battery information, to estimate a residual capacity of a battery at an operating temperature based on the collected battery information, to convert the estimated residual capacity of the battery into a capacity of the battery at a reference temperature, and to estimate an state of health (SOH) of the battery based on the converted capacity.

公开(公告)号：US20220200293A1

公开(公告)日：2022-06-23

申请号：US17341561

申请日：2021-06-08

Applicant: Samsung Electronics Co., Ltd

Inventor： Myeongjae LEE ,  Ju Wan LIM ,  Duk Jin OH ,  Jinho KIM ,  Young Hun SUNG ,  Daeryong JUNG

IPC: H02J7/00 ,  G01R31/392 ,  G01R31/367 ,  G01R31/3835

Abstract: 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.

公开(公告)号：US20210053450A1

公开(公告)日：2021-02-25

申请号：US17090157

申请日：2020-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Duk Jin OH ,  Young Hun SUNG ,  Ju Wan LIM ,  Daeryong JUNG

IPC: B60L53/10 ,  H01M10/48 ,  H01M10/44 ,  H01M10/42 ,  H02J7/00 ,  B60L53/00 ,  B60L58/12

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.

公开(公告)号：US20190195956A1

公开(公告)日：2019-06-27

申请号：US15981709

申请日：2018-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan LIM ,  Duk Jin OH ,  Young Hun SUNG

IPC: G01R31/36

CPC classification number: G01R31/367 ,  G01R31/392

Abstract: A battery monitoring method includes identifying a state of charge (SOC) of a battery, obtaining a voltage of the battery with respect to the SOC, in response to the identified SOC being included in a diagnosis section, and determining a state of health (SOH) of the battery based on the obtained voltage of the battery.

公开(公告)号：US20180145295A1

公开(公告)日：2018-05-24

申请号：US15807938

申请日：2017-11-09

Applicant: Samsung Electronics CO., LTD.

Inventor： DongKee SOHN ,  Sang Do PARK ,  Duk Jin OH ,  Hyosun HWANG

IPC: H01M2/16 ,  H01M10/05

CPC classification number: H01M2/16 ,  H01M2/1077 ,  H01M2/1083 ,  H01M2/18 ,  H01M10/05

Abstract: Disclosed is battery spacer system that is or includes a battery spacer. The battery spacer is configured to include at least one elastically-deformable portion that is configured to elastically deform at forces within a predetermined range applied by one or more of two adjacent battery cells and at least one plastically-deformable portion that is configured to plastically deform at a force exceeding the predetermined range. The battery spacer system may be a battery assembly with the battery spacer.

公开(公告)号：US20220407324A1

公开(公告)日：2022-12-22

申请号：US17574926

申请日：2022-01-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong JUNG ,  Jinho KIM ,  Young Hun SUNG ,  Duk Jin OH ,  Ju Wan LIM

IPC: H02J7/00

Abstract: 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.

公开(公告)号：US20220115875A1

公开(公告)日：2022-04-14

申请号：US17238605

申请日：2021-04-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong JUNG ,  Ju Wan LIM ,  Jinho KIM ,  Young Hun SUNG ,  Duk Jin OH

IPC: H02J7/00

Abstract: 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.

公开(公告)号：US20220014026A1

公开(公告)日：2022-01-13

申请号：US17487110

申请日：2021-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Daeryong JUNG ,  Duk Jin OH ,  Ju Wan LIM

IPC: H02J7/00 ,  G01R31/392 ,  G01R31/382 ,  H01M10/42 ,  G01R31/367

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.