公开(公告)号：US20240369639A1

公开(公告)日：2024-11-07

申请号：US18778249

申请日：2024-07-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho KIM ,  Tae Won SONG ,  Young Hun SUNG

IPC: 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：US20240230768A9

公开(公告)日：2024-07-11

申请号：US18297754

申请日：2023-04-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ju Wan LIM ,  Jinho KIM ,  Tae Won SONG

IPC: G01R31/374 ,  G01R31/367 ,  G01R31/388

CPC classification number: G01R31/374 ,  G01R31/367 ,  G01R31/388

Abstract: A method for adjusting a current of a battery includes obtaining one or more parameters of a battery including the current of the battery, a voltage and a temperature of the battery, determining a first correction parameter relating to a variation in current due to charging and discharging of the battery, based on at least a portion of the one or more parameters, determining a difference between an electrolyte concentration of an anode surface and an electrolyte concentration of a cathode surface of the battery, based on at least a portion of the one or more parameters, determining a temperature parameter based on the temperature of the battery, determining a second correction parameter relating to a temperature of the battery, based on the difference and the temperature parameter, and determining a correction value for the current of the battery based on the first correction parameter and the second correction parameter.

公开(公告)号：US20210286008A1

公开(公告)日：2021-09-16

申请号：US17333062

申请日：2021-05-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho KIM ,  SangDo PARK ,  Tae Won SONG ,  Sungick KIM

IPC: 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：US20200256920A1

公开(公告)日：2020-08-13

申请号：US16858902

申请日：2020-04-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyo Sun HWANG ,  Jin Ho KIM ,  Sang Do PARK ,  Tae Won SONG

IPC: G01R31/367 ,  G01R31/382

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：US20180316204A1

公开(公告)日：2018-11-01

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 ,  G01R31/36

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：US20170201103A1

公开(公告)日：2017-07-13

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: H02J7/00 ,  G01R31/36

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：US20240426934A1

公开(公告)日：2024-12-26

申请号：US18532689

申请日：2023-12-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jinho KIM ,  Sangbin MOON ,  Tae Won SONG ,  Youngjae KIM ,  Hyukrae PARK ,  Jungwook HEO ,  Terrance Christopher HUANG

IPC: G01R31/392 ,  G01R31/367 ,  G01R31/388 ,  G01R31/389

Abstract: An electronic apparatus includes: a battery; a first calculator configured to obtain sensing data of the battery using a sensor, determine first state information of the battery using the obtained sensing data and a first battery model, and preprocess the obtained sensing data; and a second calculator configured to receive the preprocessed sensing data from the first calculator, determine an aging state of the battery using a second battery model and the received sensing data, update a parameter of the first battery model based on the determined aging state, and transmit the updated parameter to the first calculator.

公开(公告)号：US20180143259A1

公开(公告)日：2018-05-24

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

CPC classification number: G01R31/367 ,  B60L58/12 ,  B60L2250/16 ,  B60L2260/44 ,  G01R31/392

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：US20180136283A1

公开(公告)日：2018-05-17

申请号：US15712389

申请日：2017-09-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Won SONG ,  Ju Wan LIM ,  Sungick KIM ,  Jinho KIM

IPC: G01R31/36

Abstract: Provided is a method and apparatus for estimating a battery state. A method of estimating a battery state that includes determining whether a previous state to a rest state of a battery is a charging state or a discharging state; selecting a current profile comprising one or both of a charging pulse and a discharging pulse based on the previous state of the battery; stabilizing an open circuit voltage (OCV) of the battery by applying the current profile to the battery; and measuring the stabilized OCV.

公开(公告)号：US20170108553A1

公开(公告)日：2017-04-20

申请号：US15295056

申请日：2016-10-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nandhini GANESAN ,  Suman BASU ,  Krishnan S HARIHARAN ,  Tae Won SONG

IPC: G01R31/36 ,  G08B21/18 ,  G08B31/00 ,  H02J7/00

CPC classification number: G01R31/3679 ,  G01R31/3651 ,  G01R31/3658 ,  G01R31/3682 ,  G08B21/182 ,  G08B31/00 ,  H02J7/0021

Abstract: A method for predicting life of a reconfigurable battery pack, includes receiving a usage parameter of a reconfigurable battery pack, the battery pack comprising interconnected battery cells; identifying a State of Health (SOH) of degraded battery cells and a capacity of the reconfigurable battery pack; and determine a number of fresh battery cells to replace the degraded cells for the usage parameter based on the SOH and the capacity of the reconfigurable battery pack.