Samsung Sdi Co., Inc.

Soodeok Moon

Jaeho Kim

Jisoon Lim

Junhyung Lee

Dooyong Lim

Daeyeop Park

Jangwoong Bae

Eungi Heo

Sungyong Kim

Younghwan Kwon

Kyungho Cho

Chuljung Yun

Jaehoon Kim

Jaepil Ahn

Peelsik Jeon

Kyunghoon Park

Jihyeon Lee

Byunghyun Lee

A battery module includes a module including a series of cell stacks, each having a series of unit cells arranged in a first direction, and an insulation member insulating at least one unit cell. The battery module also includes a module housing and a series of receiving parts in the module housing accommodating the cell stacks. Each receiving part includes a fixed wall around a respective cell stack and having a portion in contact with the cell stack. The fixed wall includes a pair of end walls at opposite ends of the receiving part in the first direction. The pair of end walls are configured to engage respective end surfaces of the corresponding cell stack in the first direction. The battery module also includes a cooling channel below a floor surface of the module housing for a coolant to flow to cool the receiving parts and the cells stacks.

Battery module

A battery module includes: a cell stack including a plurality of unit cells arranged in a first direction; and an insulating member around the plurality of unit cells; a plurality of module housings, each of the module housings including a plurality of receiving parts and receiving the cell stack; and a coupling part, and each of the receiving parts includes a fixing wall around the cell stack and having at least a portion which is in contact with the cell stack, and the fixing wall includes end walls at respective sides of each of the receiving parts in the first direction to engage end surfaces of respective sides of the cell stack in the first direction, and the coupling part is configured to be coupled to the coupling part of an adjacent battery module.

This application relates to a battery pack including a battery cell, a circuit board configured to collect state information about the battery cell, and a connection line configured to transmit the state information about the battery cell to the circuit board and including a link line and a board connection pad. The link line extends from a side of the battery cell toward the circuit board, and the board connection pad extends from a first end portion, to which the link line is connected, and is coupled to the circuit board while facing the circuit board. The board connection pad includes outer soldering portions formed in an outer region of the board connection pad and concave toward the outside of the board connection pad and a gas discharge hole formed in a closed loop shape in an inner region of the board connection pad.

Battery pack

A battery module includes a cell stack in which a plurality of unit cells including terminal parts are aligned in a first direction and an insulating member surrounds the plurality of unit cells; and a module housing in which a plurality of receiving parts, into each of which the cell stack is configured to be inserted, are provided and are aligned in a first direction and a second direction perpendicular to the first direction, wherein each of the plurality of receiving parts includes a fixing wall around the cell stack and having at least a portion which is in contact with the cell stack. The cell stacks adjacent to each other in the second direction are electrically connected to each other, and the cell stacks adjacent to each other in the first direction are electrically disconnected from each other, when not connected to an end module.

A battery pack including battery cells; a circuit unit connected to the battery cells; and a flexible wiring connecting the battery cells and the circuit unit to each other, wherein the flexible wiring includes a first end portion to which a plurality of conductive lines are physically bound; and a first group of conductive lines and a second group of conductive lines which extend from the first end portion, branch off from each other, and then extend in parallel to each other, and the first group of conductive lines includes a folded portion at a branching position at which the first group of conductive lines is separated from the second group of conductive lines.

A battery module includes a cell stack in which a plurality of unit cells are aligned in a first direction and including an insulating member surrounding the plurality of unit cells; and a module housing in which a plurality of receiving parts into which the cell stack is inserted are provided, wherein the receiving part includes a fixing wall surrounding the cell stack and having at least a portion which is in contact with the cell stack.

A battery module includes: a plurality of cell stacks, each of the cell stacks including: a plurality of unit cells arranged in a first direction; and an insulation member around the plurality of unit cells; and a module housing, in which a plurality of receiving parts are provided, ones of the cell stacks from among the plurality of cell stacks being located in a receiving part from among the plurality of receiving parts, and each of the receiving parts includes a fixing wall, the fixing wall being around the cell stack received therein and being in contact with the cell stack, and the module housing includes end walls at respective sides of each of the receiving parts in the first direction to engage end surfaces of respective sides of the cell stack received in the respective receiving part in the first direction.

A device for controlling a pre-charge current generated when electrically connecting a first terminal and a second terminal, according to one embodiment of the present invention, may comprise: a switch for controlling a magnitude of a current flowing between the first terminal and the second terminal; a first resistor for generating a base voltage of a first transistor in proportion to a magnitude of the pre-charge current flowing between the first terminal and the second terminal; the first transistor for limiting the magnitude of the pre-charge current when a voltage generated by the first resistor is equal to or greater than a predetermined threshold voltage; a photocoupler for receiving, in a state insulated from a first power source, an optical signal from the first power source and supplying power; a capacitor charged by the power supplied by the photocoupler; a second transistor for controlling the magnitude of the pre-charge current on the basis of a charging voltage of the capacitor; and a second resistor for controlling an operating time of the second transistor along with the capacitor.

Pre-charge current control device

A battery module includes first and second modules each including a series of cell stacks, each including a series of unit cells arranged in a first direction, and an insulation member insulating at least one unit cell. The battery module also includes a module housing, a coupling part on the module housing configured to couple the module housings of the first and second modules together, and a series of receiving parts in the module housing accommodating the cell stacks. Each receiving part includes a fixed wall around a respective cell stack and having at least a portion that is in contact with the respective cell stack. The coupling part includes a connector configured to electrically connect the module housings of the first and second modules together.

Growing community of inventors

Yongin-si, South Korea

Soodeok Moon