Samsung Sdi Co., Inc.

Gilchoun Yeom

Hyeoncheol Jeong

Seunglim Choi

Youngjin Lee

Buangho Park

Sanggu Lee

Youngdong Seo

Jaeseung Kim

Kwanil Oh

Jaewoo Kam

Ji-Hoon Kim

Seotaek Oh

Woojoon Chung

Taejong Lee

A battery pack includes at least one battery cell, a circuit board electrically connected to the at least one battery cell, and a conductive block electrically connecting the at least one battery cell and the circuit board to each other, the conductive block having a first surface, the first surface including a first metal and a second metal different from the first metal, and a second surface in contact with the first surface along an edge, the second metal including the second metal.

Battery pack

Provided is a battery pack charging system including a charging device configured to receive a first signal from a battery pack and determine a charge condition of the battery pack based on the first signal; a battery pack configured to generate the first signal based on a state of charge of the battery pack and transmit the first signal to the charging device; and a controller configured to receive a second signal from the charging device and transmit the second signal to the battery pack.

Battery pack charging system

Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.

Battery pack and method for controlling battery pack

A battery system includes a system controller connected to a controller area network (CAN) bus, and stations respectively connected to nodes of the CAN bus, wherein, a first station of the stations is configured to detect that a first battery pack has been coupled thereto, and is configured to transmit a first detection signal to the system controller, wherein the system controller is configured to provide a first wake-up signal for waking up the first battery pack to the first station in response to the first detection signal, wherein the first station is configured to wake up a first battery controller of the first battery pack in response to the first wake-up signal, and wherein the system controller is configured to be woken up and to transmit a command for allocating a first identifier (ID) corresponding to the first station to the first battery controller having a default ID via the CAN bus.

Battery system, and method of allocating CAN ID

Disclosed is a battery pack, including: at least one battery module which includes a plurality of battery cells and is connected between a first terminal and a second terminal; a relay connected between the first terminal and a third terminal; and a battery management system (BMS) which is connected to the first to third terminals, and generates a charge control signal controlling a charge operation of a charger connected to the third terminal based on battery detection information obtained by detecting the plurality of battery cells and the at least one battery module.

Battery pack, method for controlling charging of battery pack, and vehicle comprising battery pack

A voltage equalizer includes: first, second, and third junction terminals respectively connected to a positive electrode of a first battery module, a positive electrode of a second battery module, and negative electrodes of the first and second battery modules; an equalizer circuit connected between the first and second junction terminals, and the equalizer forming a current path between the first and second junction terminals; a first indicator having a first displaying state that changes according to a voltage difference between the first and second junction terminals; a first comparator for outputting a first output voltage according to an input voltage that is input in proportion to a voltage between the first and third junction terminals; and a second indicator having a second displaying state that changes according to the first output voltage of the first comparator.

Voltage equalizing device

Disclosed is a battery pack including: at least one battery module including a plurality of battery cell; and a battery management system (BMS) configured to determine an operation mode of a battery pack according to an enabled switch signal between at least two switch signals, which wake up the battery pack, and control the battery pack according to the determined operation mode.

Battery pack, method for managing battery pack, and vehicle comprising battery pack

A battery pack according to various embodiments is provided. The battery pack includes: a battery including a plurality of battery cells; a first pack terminal and a second pack terminal, each connected to a charger; a cut-off switch arranged on a path through which charge and discharge currents of the battery flow; and a battery manager which monitors a state of the battery, turns off the cut-off switch when there is a risk of the battery being damaged, and determines whether the charger is a dedicated charger, wherein, when the charger is different from the dedicated charger, the battery manager turns off the cut-off switch when a pack voltage that is a voltage between the first pack terminal and the second pack terminal reaches a first reference voltage.

A battery module system includes a master module and at least one slave module that are connected in series. An isolated communication is performed between the master module and the at least one slave module.

Battery module system

Disclosed is a battery pack connected to a host system, the battery pack including: a relay connected between a battery terminal of the battery pack and the host system; at least two battery modules, each of which includes a plurality of serially connected cells and generates battery detection information; and a battery management system (BMS), which measures a voltage of the battery terminal when a current having a predetermined value or larger flows in a high current path between the battery pack and the host system, receives at least two pieces of battery detection information from the at least two battery modules, respectively, and determines a coupling state of the battery pack based on the voltage of the battery terminal and the at least two pieces of battery detection information.

Battery pack and vehicle connected to battery pack

There is provided a power conversion apparatus including first to fifth nodes. The power conversion apparatus includes: an inverter including a first switch between the first and second nodes, a second switch between the first and third nodes, a third switch between the second and fourth nodes, and a fourth switch between the third and fourth nodes; a filter including an inductor connected between the second and fifth nodes and a capacitor connected between the fifth and third nodes; and a current sensor configured to sense resultant current, which is the sum of inductor current flowing in the inductor and output current, wherein the output current is output to a load connected between the third and fifth nodes.

Power conversion apparatus and uninterruptible power supply comprising same

A slave module receives a first wake-up signal from an adjacent previous module to perform a wake-up operation and to transmit a second wake-up signal to an adjacent subsequent module. The slave module includes: an analog front end (AFE) including a first terminal and a second terminal, the AFE may be woken up by receiving the first wake-up signal through the first terminal and may output a first voltage through the second terminal in a woken up state; a processor including a third terminal electrically connected to the first terminal, a fourth terminal electrically connected to the second terminal, and a fifth terminal electrically connected to a second slave terminal. The processor may boot up when the first voltage is applied to the fourth terminal, may output a second voltage to the third terminal after being booted up, and may output the second wake-up signal to the fifth terminal.

Slave module

A battery pack and a charge-controlling system of an electric vehicle including the same are provided. The battery pack includes a battery module including at least one rechargeable battery cell, a charge mode determiner configured to analyze characteristics of a charging current to the battery module, and configured to determine whether the battery pack is in a first charge mode or in a second charge mode, and a protector configured to set a protection current level of the battery module corresponding to the first charge mode or corresponding to the second charge mode, and configured to interrupt the charging current when a level of the charging current is higher than or equal to the protection current level corresponding to the respective one of the first charge mode or the second charge mode.

Battery pack and charge-controlling system of electric vehicle including the same

A battery pack includes a battery to supply power for a device and a battery management system (BMS) to manage the battery. A control current from the battery to the BMS is to be blocked based on a turn-off command.

Growing community of inventors

Yongin-si, South Korea

Gilchoun Yeom