公开(公告)号：US11293988B2

公开(公告)日：2022-04-05

申请号：US16814212

申请日：2020-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SAMSUNG SDI CO., LTD.

Inventor： Jinho Kim ,  Tae Won Song

IPC: G01R31/367 ,  G01R31/387 ,  G01R31/392 ,  G01R31/3842 ,  G01R31/36

Abstract: A processor-implemented method with battery state estimation includes: determining a state variation of a battery using a voltage difference between a sensed voltage of the battery and an estimated voltage of the battery that is estimated by an electrochemical model corresponding to the battery; updating an internal state of the electrochemical model based on the determined state variation of the battery; and estimating state information of the battery based on the updated internal state of the electrochemical model.

公开(公告)号：US10935608B2

公开(公告)日：2021-03-02

申请号：US15405650

申请日：2017-01-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae Won Song ,  Sang Do Park ,  Tae Jung Yeo ,  Jin Ho Kim

IPC: G01R31/392 ,  G01R31/367 ,  G01R31/382 ,  H01M10/48

Abstract: Apparatus and method for estimating a state of a battery is provided. According to one aspect, a battery state estimation apparatus includes a state of health (SOH) estimator configured to estimate SOH of a battery based on degradation of the battery and the data acquired from the battery, and a state of charge (SOC) estimator configured to estimate the SOC of the battery based on the SOH of the battery.

公开(公告)号：US10931128B2

公开(公告)日：2021-02-23

申请号：US15879833

申请日：2018-01-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Suman Basu ,  Krishnan S. Hariharan ,  Tae Won Song

IPC: H02J7/00 ,  H01M10/48 ,  G01R31/392 ,  G01R31/3842 ,  G01R31/367

Abstract: A method and apparatus for predicting a capacity fade rate of a battery are provided. The method includes collecting capacity degradation data of a battery based on a current and a state of charge (SOC) for a predefined number of cycles, generating a capacity fade model based on the capacity degradation data, and estimating a capacity fade rate of the battery using the capacity fade model.

公开(公告)号：US10554056B2

公开(公告)日：2020-02-04

申请号：US15402752

申请日：2017-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jin Yong Jeon ,  Tae Won Song ,  Jin Ho Kim

IPC: G01R31/36 ,  H02J7/00 ,  G01R31/392 ,  G01R31/396 ,  G01R15/20 ,  H01M10/48 ,  G01R19/00 ,  G01R31/382

Abstract: A faulty cell detection device and a faulty cell detection method are provided for detecting a faulty cell of a battery pack using a current sensor. The device may include a current sensor including a first current sensor configured to measure a current of a battery pack including the battery module, and a second current sensor configured to measure a current of a battery cell among battery cells in the battery module. The device may also include a faulty cell detector configured to detect occurrence of the faulty cell based on the measured current of the battery pack and the measured current of the battery cell.

公开(公告)号：US12078682B2

公开(公告)日：2024-09-03

申请号：US17671770

申请日：2022-02-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho Kim ,  Tae Won Song ,  Young Hun Sung

IPC: G01R31/36 ,  G01R31/367 ,  G01R31/3842 ,  G01R31/392

CPC classification number: G01R31/367 ,  G01R31/3842 ,  G01R31/392

Abstract: A method and apparatus for estimating a state of a battery. The method includes obtaining a measured voltage of a battery from a sensor connected to the battery, obtaining an estimated voltage of the battery from an electrochemical model stored in a memory, estimating an aging variation of the battery based on the measured voltage and the estimated voltage, and updating an aging parameter of the electrochemical model using the aging variation.

公开(公告)号：US11054474B2

公开(公告)日：2021-07-06

申请号：US15718084

申请日：2017-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho Kim ,  SangDo Park ,  Tae Won Song ,  Sungick Kim

IPC: G01R31/36 ,  G01R31/367 ,  G01R31/392 ,  B60L58/12

Abstract: According to one aspect, a method to estimate a state of a battery includes receiving physical quantity information about a sensed physical quantity of a battery, obtaining estimated information of the battery from a battery model based on the received physical quantity information. The battery model includes a training model configured to determine internal battery information comprising potential information of an internal material of the battery based on the physical quantity information and a mathematical function. The method further includes calculating an ion concentration in the battery using the mathematical function based on the internal battery information to determine the estimated information of the battery.

公开(公告)号：US10859631B2

公开(公告)日：2020-12-08

申请号：US15894682

申请日：2018-02-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Won Song ,  Jinho Kim ,  Young Hun Sung

IPC: G01R31/36 ,  G01R31/367 ,  G01R31/387 ,  G01R31/392

Abstract: Disclosed is a method and apparatus for measuring a battery state. The method includes determining an operational mode of a battery; measuring a battery state of the battery using an electrochemical model in response to the battery determined to be operating in a low rate mode, and measuring the battery state using a modified electrochemical model based on a characteristic of the battery, in response to the battery determined to be operating in a high rate mode.

公开(公告)号：US10784542B2

公开(公告)日：2020-09-22

申请号：US16155142

申请日：2018-10-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Suman Basu ,  Ashwini Kumar Sharma ,  Mohan Kumar Singh Verma ,  Rajkumar Subhash Patil ,  Tae Won Song ,  Young Hun Sung

IPC: H01M10/48 ,  G01R31/367 ,  H02J7/00 ,  H01M10/42

Abstract: A processor-implemented battery management method includes iteratively determining fractions of components in an electrode of a battery; calculating a composite state of charge (SoC) of the battery by applying the iteratively determined fractions of the components to a composite cathode model used to predict a state of the battery; and predicting the state of the battery based on the calculated composite SoC.

公开(公告)号：US10670661B2

公开(公告)日：2020-06-02

申请号：US15367606

申请日：2016-12-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyo Sun Hwang ,  Jin Ho Kim ,  Sang Do Park ,  Tae Won Song

IPC: G01R31/36 ,  G01R31/367 ,  G01R31/382 ,  G01R31/392

Abstract: Provided are battery management apparatuses and methods. The battery management apparatus includes a sensitivity determiner configured to determine sensitivity of a battery state based on sensed battery information and previous battery state information, and an execution parameter adjuster configured to adjust a parameter for estimating the battery state based on the determined sensitivity of the battery state.

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.