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：US10886767B2

公开(公告)日：2021-01-05

申请号：US16034528

申请日：2018-07-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinho Kim ,  Tae Won Song ,  Ju Wan Lim ,  Young Hun Sung ,  Hongsoo Choi

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/48 ,  H01M10/44 ,  G01R31/382

Abstract: A battery charging control method and apparatus is disclosed. The battery charging control method includes inputting a preset magnitude of a current to a battery during a preset period of time, identifying a diffusion characteristic of a material in the battery, and determining whether to change the magnitude of the current to be input to the battery based on the identified diffusion characteristic of the material, in which the diffusion characteristic may be determined based on a distribution of the material in one or more of a cathode of the battery, an anode of the battery, and an electrolyte of the battery in response to the input of the current in the battery.

公开(公告)号：US12216167B2

公开(公告)日：2025-02-04

申请号：US17510670

申请日：2021-10-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ju Wan Lim ,  Daeryong Jung ,  Jinho Kim ,  Young Hun Sung ,  Duk Jin Oh ,  Myeongjae Lee

IPC: G01R31/367 ,  G01R31/3828 ,  H02J7/00

Abstract: 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.

公开(公告)号：US11428743B2

公开(公告)日：2022-08-30

申请号：US16372742

申请日：2019-04-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan Lim ,  Duk Jin Oh ,  Daeryong Jung

IPC: H02J7/00 ,  G01R31/3842 ,  H01M10/44

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.

公开(公告)号：US11088558B2

公开(公告)日：2021-08-10

申请号：US16919559

申请日：2020-07-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong Jung ,  Jinho Kim ,  Myung Hoon Kim ,  Young Hun Sung ,  Duk Jin Oh ,  Ju Wan Lim

IPC: H02J7/00 ,  H01M10/0525 ,  H01M10/44 ,  B60L53/14 ,  B60L58/12 ,  G01R31/367 ,  B60L53/10

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.

公开(公告)号：US10601085B2

公开(公告)日：2020-03-24

申请号：US15291464

申请日：2016-10-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ju Wan Lim

IPC: H01M10/48 ,  H01M10/42

Abstract: A battery temperature estimating apparatus, the apparatus includes an alternating current (AC) power supply configured to apply AC power to a battery; a phase difference measurer configured to measure a phase difference between an AC current and an AC voltage of the battery; and an internal temperature estimator configured to estimate an internal temperature of the battery based on the measured phase difference and a state of charge (SoC) of the battery.

公开(公告)号：US10587139B2

公开(公告)日：2020-03-10

申请号：US15712349

申请日：2017-09-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Duk Jin Oh ,  Tae Won Song ,  Jinho Kim ,  Ju Wan Lim

IPC: H02J7/00 ,  H02J7/14 ,  H02J7/04 ,  H01M10/44 ,  G01R31/382

Abstract: A method and apparatus for controlling a battery, the apparatus configured to measure a current usage of a battery, generate a concentration limitation condition on a material in an active material of the battery based on a characteristic of the active battery, and control a usage of the battery based on the current usage and the concentration limitation condition.

公开(公告)号：US12123922B2

公开(公告)日：2024-10-22

申请号：US17826958

申请日：2022-05-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan Lim ,  Jinho Kim ,  Myeongjae Lee ,  Young Hun Sung ,  Duk Jin Oh

IPC: G01R31/392 ,  B60L58/10 ,  G01R31/367 ,  G01R31/52

CPC classification number: G01R31/392 ,  B60L58/10 ,  G01R31/367 ,  G01R31/52

Abstract: A method and apparatus for detecting an internal short circuit in a battery are provided. The method includes acquiring values of one or more basic parameters of the battery, acquiring values of one or more degradation parameters used in a battery model indicating an internal state of the battery based on the values of the one or more basic parameters, determining whether the internal short circuit occurs in the battery based on a first value of a first degradation parameter and a second value of a second degradation parameter from among the one or more degradation parameters, and performing an operation in response to the internal short circuit occurring in the battery.

公开(公告)号：US11929468B2

公开(公告)日：2024-03-12

申请号：US17210677

申请日：2021-03-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan Lim ,  Duk Jin Oh ,  Myunghoon Kim

IPC: H01M10/42 ,  H01M10/44 ,  H01M10/46 ,  H02J7/00 ,  H02J7/02

CPC classification number: H01M10/425 ,  H01M10/44 ,  H01M10/46 ,  H02J7/0071 ,  H02J7/00718 ,  H02J7/007184 ,  H02J7/02

Abstract: A battery charging method includes: charging a battery with a charging current; and changing the charging current in response to a current change event occurring during the charging of the battery, wherein the current change event occurs when the battery reaches a threshold voltage at which an anode potential of the battery reaches a reference value.