公开(公告)号：US11309717B2

公开(公告)日：2022-04-19

申请号：US15636899

申请日：2017-06-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sanoop Ramachandran ,  Ankit Yadu ,  Krishnan Seethalakshmi Hariharan ,  Periyasamy Paramasivam ,  Jason Michael Battle ,  Suman Basu

IPC: H02J7/00 ,  H01M10/44 ,  H01M10/48

Abstract: A Battery Management System (BMS) for an electronic device with bidirectional communication between The BMS and an Operating System (OS) of the electronic device for generating a charging pattern of charging the battery of the electronic device according to information received from the operating system.

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：US10459034B2

公开(公告)日：2019-10-29

申请号：US14757540

申请日：2015-12-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Suman Basu ,  Krishnan S Hariharan ,  Taejun Yeo

IPC: G01R31/392 ,  G01R31/367

Abstract: A method and apparatus for estimating a state of health (SOH) of a battery are provided. The method includes measuring a voltage and a partial discharge time of the battery, acquiring a normalized partial discharge time using a battery model of a reference battery normalized with respect to a time, calculating a full discharge time of the battery based on the partial discharge time and the normalized partial discharge time, and estimating the SOH based on a ratio between a stored full discharge time of the reference battery and the full discharge time of the battery.

公开(公告)号：US10256515B2

公开(公告)日：2019-04-09

申请号：US15204227

申请日：2016-07-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Suman Basu ,  Krishnan S Hariharan ,  Nandhini Ganesan ,  Tae jung Yeo

IPC: H01M10/617 ,  H01M10/633 ,  H01M10/48 ,  F28D15/00 ,  B60L11/18

Abstract: A method and battery system for thermal management of a battery system includes predicting a total heat generation by a battery based on determined internal conditions of the battery, and controlling a selective adjusting of a heat transfer coefficient for the battery based on the predicted total heat generation to maintain an operating temperature of the battery at a target temperature or within a target temperature range.

公开(公告)号：US10345391B2

公开(公告)日：2019-07-09

申请号：US15055685

申请日：2016-02-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Suman Basu ,  Krishnan Seethalakshmy Hariharan

IPC: G01R31/367 ,  G01R31/392 ,  G01R31/3828

Abstract: Disclosed is a method of predicting a remaining useful life (RUL) including measuring an operating current during a charging cycle and a discharging cycle of a battery, calculating a capacity fade of a plurality of cycles of the battery based on degradation parameters and the measured operating currents, and predicting an RUL of the battery based on the calculated capacity fade.

公开(公告)号：US20160187428A1

公开(公告)日：2016-06-30

申请号：US14757540

申请日：2015-12-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Suman Basu ,  Krishnan S. Hariharan ,  Taejun Yeo

IPC: G01R31/36

CPC classification number: G01R31/367 ,  G01R31/392

Abstract: A method and apparatus for estimating a state of health (SOH) of a battery are provided. The method includes measuring a voltage and a partial discharge time of the battery, acquiring a normalized partial discharge time using a battery model of a reference battery normalized with respect to a time, calculating a full discharge time of the battery based on the partial discharge time and the normalized partial discharge time, and estimating the SOH based on a ratio between a stored full discharge time of the reference battery and the full discharge time of the battery.

Abstract translation: 提供了一种用于估计电池的健康状态（SOH）的方法和装置。 该方法包括测量电池的电压和局部放电时间，使用相对于时间标准化的参考电池的电池模型来获取归一化的局部放电时间，基于部分放电时间计算电池的完全放电时间 和归一化局部放电时间，并且基于存储的基准电池的全放电时间与电池的完全放电时间之间的比率来估计SOH。

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：US10006967B2

公开(公告)日：2018-06-26

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

CPC classification number: G01R31/392 ,  G01R31/3646 ,  G01R31/367 ,  G01R31/396 ,  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.