Samsung Electronics Co., Ltd.

North Carolina State University

Daebong Jung

Young Hun Sung

Youngjae Kim

Young Jae Kim

Jinyong Jeon

Jeongsik Ko

Mo-Yuen Chow

Ji-young Jeong

Habiballah Rahimi Eichi

Ji-Young Jeong

Younghun Sung

Shashishekara Parampalli Adiga

Rajkumar Subhash Patil

DongKee Sohn

Dong Kee Sohn

Mo-Yeun Chow

Zheyuan Cheng

A method for estimating a plurality of parameters pertaining to an electrochemical model of a cell may include: obtaining, by a device, an Electrochemical Impedance Spectroscopy (EIS) spectrum and a Constant Current-Constant Voltage (CC-CV) charge-Constant Current (CC) discharge response of the cell; extracting, by the device, a plurality of features from the EIS spectrum and a plurality of features from the CC-CV charge-CC discharge response of the cell; and estimating, by the device, the plurality of parameters based on at least one of the plurality of features of the EIS spectrum and at least one of the plurality of features of the CC-CV charge-CC discharge response of the cell.

Methods and systems for estimating parameters of a cell at various charge-discharge profiles

A cooling structure includes a plurality of bars arranged separately from each other and configured to press a battery cell, a support configured to support the plurality of bars, flow paths defined by a first surface of the battery cell and one pair of neighboring bars, and configured to guide a flow of a cooling medium, with the cooling medium being in direct contact with the first surface of the battery cell, and a separation wall provided in at least one of the flow paths and being configured to separate each of the at least one flow path into sub-flow paths.

Cooling structure and battery system including the same

A battery system includes a first battery cell including a first electrode terminal and a second electrode terminal, a connector configured to be electrically connected to the first electrode terminal, and a first circuit board detachably provided above the connector and configured to monitor a battery characteristic of the first battery cell. The connector includes a base including a terminal hole configured to be connected to the first electrode terminal and having a first plane, a connecting portion configured to be connected to the first circuit board and having a second plane non-planar with the first plane, and a stepped portion between the base and the connecting portion.

Battery system

A cooling structure includes a plurality of bars spaced apart from each other and configured to extend along a first surface of a battery cell; a support configured to support the plurality of bars; and a plurality of flow paths defined by the first surface of the battery cell and a pair of adjacent bars of the plurality of bars, the plurality of flow paths being configured to guide flow of a coolant in contact with the first surface of the battery cell.

Structure and system with battery cooling

A method to control a battery temperature includes: determining state difference information of a first battery, among batteries, based on state information of the first battery and average state information of the batteries; calculating a first output value of a first converter corresponding to the first battery based on the determined state difference information; and controlling a charging and discharging process of the batteries to cause the first converter to generate a power flow based on the calculated first output value.

Method of controlling temperature of battery, and battery management apparatus and system

Disclosed are a vehicle control unit (VCU) and an operation method thereof that calculate a speed variation of a vehicle based on input information, predict an average speed of the vehicle based on the calculated speed variation, generate a first speed profile based on the predicted average speed, and generate a second speed profile by applying speed noise information to the first speed profile.

Vehicle control unit (VCU) and operating method thereof

Provided is a method and apparatus of charging a battery of a vehicle using a regenerative braking. A device for charging a second vehicle using a first vehicle includes a roller apparatus configured to transmit, to the second vehicle, a rotational force generated in response to a rotation of a wheel of the first vehicle; a controller configured to control a gear ratio of the roller apparatus; and a transmission configured to change the gear ratio in response to an instruction of the controller.

Method and apparatus of charging battery of vehicle using regenerative braking

Disclosed are a method and an apparatus for estimating driving information, the apparatus receives a driving route of a vehicle, generates speed deviations corresponding to points on the driving route, and generates a speed profile that is a sequence of predicted speeds corresponding to the points based on the speed deviations and average speeds corresponding to the points.

Growing community of inventors

Seongnam-si, South Korea

Daebong Jung