公开(公告)号：US12136841B2

公开(公告)日：2024-11-05

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 ,  G01R31/367 ,  G01R31/3835 ,  G01R31/392

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：US11368034B2

公开(公告)日：2022-06-21

申请号：US17010308

申请日：2020-09-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong Jung ,  Young Hun Sung ,  Duk Jin Oh ,  Ju Wan Lim

IPC: H02J7/04 ,  H02J7/00 ,  H01M10/44 ,  H01M10/48 ,  H01M10/42 ,  B60L58/22

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：US10250055B2

公开(公告)日：2019-04-02

申请号：US14596009

申请日：2015-01-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sang Do Park ,  Duk Jin Oh

IPC: H02J7/00 ,  B60L11/18 ,  G01R31/36

Abstract: A battery control apparatus includes a switching unit configured to charge a second battery module from a first battery module; a sensor configured to sense state information of at least one battery module among the first battery module and the second battery module; and a controller configured to control the switching unit and the sensor.

公开(公告)号：US11002793B2

公开(公告)日：2021-05-11

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: G01R31/367 ,  G01R31/392 ,  G01R31/388

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：US10857895B2

公开(公告)日：2020-12-08

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: B60L53/10 ,  H02J7/00 ,  H01M10/48 ,  H01M10/44 ,  H01M10/42 ,  H02J7/04 ,  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：US10444292B2

公开(公告)日：2019-10-15

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: G01R31/374 ,  H01M10/48 ,  G01R31/392 ,  G01R31/396 ,  H01M10/42

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 a state of health (SOH) of the battery based on the converted capacity.

公开(公告)号：US12081058B2

公开(公告)日：2024-09-03

申请号：US16843238

申请日：2020-04-08

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Daeryong Jung ,  Duk Jin Oh ,  Jinho Kim

IPC: G01R31/367 ,  G01R31/374 ,  G01R31/382 ,  G01R31/392 ,  H01M10/052 ,  H01M10/44 ,  H01M10/48 ,  H02J7/00 ,  H01M10/42

CPC classification number: H02J7/00712 ,  G01R31/367 ,  G01R31/374 ,  G01R31/382 ,  G01R31/392 ,  H01M10/052 ,  H01M10/44 ,  H01M10/48 ,  H02J7/0048 ,  H01M2010/4271 ,  H01M10/446

Abstract: 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.

公开(公告)号：US11549989B2

公开(公告)日：2023-01-10

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

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.

公开(公告)号：US11444475B2

公开(公告)日：2022-09-13

申请号：US17088930

申请日：2020-11-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ju Wan Lim ,  YoungJae Kim ,  Duk Jin Oh ,  Young Hun Sung

IPC: H02J7/00 ,  B60L58/16 ,  H01M10/44 ,  B60L53/10 ,  H01M10/48 ,  B60L53/00

Abstract: A battery charging method and apparatus are provided. A setting value of charging control information is determined based on an overpotential value and a voltage value of a battery and is applied in the charging control information, and a voltage applied to charge the battery is controlled based on the charging control information that applies the setting value.

公开(公告)号：US11139668B2

公开(公告)日：2021-10-05

申请号：US16275689

申请日：2019-02-14

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.