公开(公告)号：US20170184679A1

公开(公告)日：2017-06-29

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

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：US20170168119A1

公开(公告)日：2017-06-15

申请号：US15373017

申请日：2016-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Piyush Madhukarrao TAGADE ,  Krishnan Seethalakshmy HARIHARAN ,  Tae Won SONG

IPC: G01R31/36 ,  H01M10/48 ,  G01R35/00

CPC classification number: G01R31/3651 ,  G01R35/005 ,  H01M10/48 ,  H01M2220/20

Abstract: A method includes estimating an average concentration of ions in electrodes of a battery and estimating a state-of-charge (SOC) of the battery by Coulomb counting, correcting the ion concentration based on a difference in predicted and measured cell voltages, and correcting the Coulomb counting SOC based on a relation between SOC estimated by Coulomb counting and the average concentration, and the difference in the predicted and measured cell voltages.

公开(公告)号：US20240030733A1

公开(公告)日：2024-01-25

申请号：US18106701

申请日：2023-02-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tae Won SONG ,  Jinho KIM ,  Ju Wan LIM ,  Duk Jin OH ,  Terrance Christopher HUANG

IPC: H02J7/00 ,  G01R31/392 ,  G01R31/396 ,  G01R31/367

CPC classification number: H02J7/005 ,  G01R31/392 ,  G01R31/396 ,  H02J7/00712 ,  G01R31/367 ,  H02J7/00032

Abstract: A processor-implemented method with battery cell charging includes: for each degradation parameter set comprising one or more degradation parameters related to degradation, communicating with a server configured to generate and store a look-up table (LUT) comprising charge data for each index combination of the one or more degradation parameters comprised in the degradation parameter set; determining a current value of the one or more of the degradation parameters corresponding to a target battery cell of an electronic device and transmitting the current value to the server; receiving an LUT corresponding to the current value of the one or more degradation parameters from the server; and charging the target battery cell based on a charging profile that is generated by charge data of the received LUT.

公开(公告)号：US20220349942A1

公开(公告)日：2022-11-03

申请号：US17864729

申请日：2022-07-14

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

Inventor： Sangdo PARK ,  Young Hun SUNG ,  Tae Won SONG ,  Tae Kyung LEE

IPC: G01R31/367 ,  G01R31/36 ,  G01R31/396 ,  G01R31/382

Abstract: A processor-implemented battery management method includes: estimating state information of a plurality of battery cells in a battery pack using a first battery state estimation model; determining whether state information of at least one of the plurality of battery cells is to be estimated using a second battery state estimation model; and estimating the state information of the at least one battery cell using the second model, in response to a result of the determining being that the state information of the at least one battery cell is to be estimated using the second model.

公开(公告)号：US20220283227A1

公开(公告)日：2022-09-08

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: G01R31/367 ,  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：US20220074995A1

公开(公告)日：2022-03-10

申请号：US17463841

申请日：2021-09-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sagar BHARATHRAJ ,  Anshul KAUSHIK ,  Rajkumar Subhash PATIL ,  Shashishekara Parampalli ADIGA ,  Tae Won SONG

IPC: G01R31/367 ,  B60L58/16 ,  B60L58/12 ,  G01R31/371 ,  G01R31/382 ,  G01R31/392

Abstract: A battery management method and system are provided. The method includes acquiring one or more parameters associated with the battery. The one or more parameters includes a current level, a voltage level, a State of Charge (SOC), and a temperature. The method includes determining a load and energy estimation model based on the one or more acquired parameters. The method includes identifying a power limit of the battery based on the load and energy estimation model. The method includes determining a power margin of the battery at a first usage time interval based on the identified power limit. The method includes performing one or more actions, based on a determination that the power margin of the battery exceeds a predefined threshold level.

公开(公告)号：US20200319256A1

公开(公告)日：2020-10-08

申请号：US16839235

申请日：2020-04-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mohan Kumar Singh VERMA ,  Shashishekara Parampalli ADIGA ,  Tae Won SONG

IPC: G01R31/3842 ,  G01R31/3167 ,  G01R31/36 ,  G01R31/396 ,  G01R31/392 ,  B60L58/13 ,  H01M10/42

Abstract: A method and system that enhances a service life of a battery is provided. The method includes values of a set of operational characteristics of a plurality of electrochemically active materials of at least one electrode of the battery. The set of operational characteristics include a voltage, a change in accumulated energy, a change in ohmic resistance, and a change in a rate of change in accumulated energy with respect to a rate of change in ohmic resistance. The values are compared with predefined values of the set of operational characteristics. A rate of depletion and a type of depletion of each of the plurality of electrochemically active materials are determined, and a range of the State of Charge, a range of the voltage, and a range of current to operate the battery for enhanced service life are determined.

公开(公告)号：US20190190091A1

公开(公告)日：2019-06-20

申请号：US16182938

申请日：2018-11-07

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H01M10/48 ,  G01R31/3835 ,  G01R31/392 ,  H01M10/42

CPC classification number: H01M10/482 ,  B60L58/12 ,  B60L58/21 ,  G01R31/367 ,  G01R31/3835 ,  G01R31/392 ,  G01R31/396 ,  H01M10/425 ,  H01M2010/4271

Abstract: A processor-implemented battery state estimation method includes determining state information of plural batteries in each of plural switching periods and outputting state information of the batteries in a last switching period of the switching periods. The determining includes determining, for each switching period, state information of a target battery based on a battery model and sensing data of the target battery, and state information of a non-target battery based on a state variation of the non-target battery. A target battery set in a first switching period of the plural switching periods is set to be a non-target battery in a second switching period of the plural switching periods, and a non-target battery in the first switching period is set to be a target battery in the second switching period of the plural switching periods.

公开(公告)号：US20180145528A1

公开(公告)日：2018-05-24

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 ,  G01R31/36

CPC classification number: H02J7/0063 ,  G01R31/382 ,  H01M10/44 ,  H02J7/042 ,  H02J7/045 ,  H02J7/047 ,  H02J2007/0067

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：US20180143254A1

公开(公告)日：2018-05-24

申请号：US15637269

申请日：2017-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho KIM ,  Tae Won SONG ,  Sungick KIM

IPC: G01R31/36 ,  H01M10/44 ,  H01M10/48

Abstract: A method of estimating a state of a battery is disclosed. The method includes correcting electrical physical quantity information of the battery at a current time period using a correction value determined based on a voltage error of the battery from a previous time period, and determining state information of the battery based on the corrected electrical physical quantity information.