Lg Chem, Ltd

Lg Energy Solution, Ltd.

Ju-Hwan Baek

Sung-Min Hwang

Jung-Hwan Kim

Hyang Mok Lee

Geon-Tae Park

Seok-Won Jeung

Ki Eob Moon

Soo Min Park

Cheol Woong Lee

Soonkwang Jung

Jung-Ho Oh

Hyeong-Min Park

Tae-Wook Kim

Tae Il Kim

Sukjin Song

Sangkwon Nam

Kyong Won Kang

Kichul Hong

JinHyun Ryu

Pan-Jung Kwon

Byung-Dae Park

Discussed is a bolting device that effectively protects an internal configuration of a battery pack and increases manufacturing efficiency during a bolting operation. The bolting device for manufacturing a battery pack includes an electric screwdriver provided with a rotation motor; a driver bit connected to the rotation motor to enable a rotation movement and configured to rotate a bolt; a bit guide member provided with a hollow tube such that the driver bit is inserted into an inside of the hollow tube to be movable; and a guide jig provided with a main body configured to be mounted on an upper portion of a pack housing, the main body having a plate shape and having at least one through hole, and a fixing member inserted into the through hole and mounted therein, and having an insertion hole.

Bolting device for manufacturing battery pack

Discussed is a manufacturing apparatus including a robot arm, which may increase production efficiency and greatly reduce the size of manufacturing equipment. The manufacturing apparatus includes a robot arm to manufacture a battery module that includes a plurality of cylindrical battery cells and a module housing having an upper case and a lower case configured to accommodate the plurality of cylindrical battery cells. The robot arm includes a first gripper configured to hold or release the plurality of cylindrical battery cells; a second gripper configured to hold or release the upper case; and a third gripper configured to hold or release the lower case.

Robot comprising robot arm

Discussed is a battery pack manufacturing apparatus and method, and more particularly, a battery pack manufacturing apparatus allowing automatic production and having a minimized manufacturing defect rate. The battery pack manufacturing apparatus manufactures a battery pack having a pack housing and a battery module, and includes a lifting mechanism having a frame configured to mount the pack housing and a moving unit configured to move the frame so that the battery module is inserted into an inner space of the pack housing; and a module support configured to support the battery module.

Battery pack manufacturing apparatus and method, and battery pack

Disclosed is a secondary battery pack capable of improving process efficiency and reducing manufacture costs. The secondary battery pack includes a battery cell having an electrode terminal formed at a top end of a battery case; a protection circuit module having a battery cell connection terminal; and at least two terminal connection units having one end connected to the electrode terminal of the battery cell and the other end contacted and electrically connected to the battery cell connection terminal of the protection circuit module, wherein the battery case includes a battery can having an open top portion into which the electrode assembly is inserted, and a cap assembly coupled to the open top portion of the battery can, and wherein the cap assembly includes a body plate, and a connection slot is formed at a top surface of the body plate so that a portion of the terminal connection unit is inserted and accommodated therein to be electrically connected to the electrode terminal.

Secondary battery pack having connection slot

Disclosed is a battery module that reduces damage of internal components during an assembling process and enhances the manufacturing efficiency. The battery module includes a plurality of cylindrical battery cells arranged in a horizontal direction and each standing upright in a vertical direction; and a module housing including outer sidewalls configured to form an inner space, a plurality of hollow tubes having inner sidewalls located in the inner space and extending in the vertical direction to accommodate the plurality of cylindrical battery cells therein, and a cavity formed by opening at least a part of vertical central portions of the inner sidewalls of the plurality of hollow tubes to form an empty space therein.

Battery module including module housing

A method for manufacturing a battery module includes preparing a plurality of cylindrical battery cells having electrode terminals respectively at upper and lower portions, and a module housing having an accommodation portion with a plurality of hollow structures to accommodate the cylindrical battery cells therein; adding an adhesive having thermally and ultraviolet curing properties to an inner surface of the accommodation portion; partially curing the adhesive by applying heat thereto to increase a viscosity of the adhesive; accommodating the cylindrical battery cells in the accommodation portion so that the partially-cured adhesive is between the accommodation portion of the module housing and the cylindrical battery cells; after the accommodating of the cylindrical battery cells in the accommodation portion, applying heat to the adhesive to lower the viscosity of the adhesive; and, after the viscosity is lowered by applying the heat, curing the adhesive by irradiating ultraviolet rays to the adhesive.

Method for manufacturing battery module and battery module

A secondary battery pack is provided. The secondary battery pack has a structure in which a protection circuit module (PCM) is mounted to a top of a plate-shaped battery cell having electrode terminals formed at an upper end thereof, the PCM includes a printed circuit board (PCB) having a protection circuit formed thereon, a safety element electrically connected between one of the electrode terminals of the battery cell and the protection circuit of the PCB, an external input and output terminal electrically connected to the protection circuit of the PCB, and an electrically insulative module case to cover the PCB and the safety element in a state in which the external input and output terminal extends outside. The PCM is loaded on an upper end case extension portion of the battery cell in a state in which the PCM is electrically connected to the electrode terminals of the battery cell.

Secondary battery pack of embedded type with novel structure

Disclosed herein is a secondary battery pack including a battery cell, a protection circuit module (PCM) assembly having a connection member (A), an insulative mounting member having a connection member (B) embedded therein, and an insulative cap. The connection member (B) is coupled to a second electrode terminal of the battery cell by welding, such that the connection member (B) is electrically connected to the second electrode terminal of the battery cell, in a state in which the insulative mounting member is mounted on the battery cell. The connection member (A) is coupled to a first electrode terminal of the battery cell upward from a PCM, such that the connection member (A) is electrically connected to the first electrode terminal of the battery cell. The electrical connection between the PCM assembly and the connection member (B) is achieved in a physical contact fashion.

Secondary battery pack having PCM assembly and insulating mounting member of novel structure

Disclosed herein is a secondary battery pack including a battery cell, and a protection circuit module (PCM) assembly, configured in a specific structure, coupled to the top of the battery cell. The secondary battery pack includes a battery cell having an electrode assembly mounted in a battery case together with an electrolyte in a sealed state, a protection circuit module (PCM) assembly including a PCM and connection members, the PCM assembly being provided with a through-hole for connection, an insulative mounting member mounted at the top of the battery cell, an insulative cap coupled to an upper end of the battery cell. One of the connection members, i.e., the connection member (A), protrudes from one end of the PCM assembly such that a region of the connection member (A) electrically connected to the battery cell is exposed upward from the PCM assembly. The other connection member, i.e., the connection member (B), is coupled to the bottom of the PCM such that at least a portion of the connection member (B) is exposed upward from the PCM assembly through the through-hole for connection. The electrical connection between the connection members and the electrode terminals of the battery cell is achieved at the top of the PCM while the insulative mounting member and the PCM assembly are loaded on the battery cell.

Secondary battery pack having excellent energy density and PCM assembly therefor

Disclosed herein is a protection circuit module (PCM) including a protection circuit for controlling overcharge, overdischarge, and overcurrent of a battery, wherein a pair of connection members are attached to the bottom of the PCM, while the connection members are electrically connected to the protection circuit, the connection members being constructed by bending a sheet material into a predetermined shape, to form groove-shaped connection structures into which plate-shaped electrode terminals of a battery cell are inserted and coupled. Each of the connection members includes a lower connection plate, a pair of rear extensions, and front extensions.

PCM of improved assembling type structure and battery pack employed with the same

Disclosed herein is a genuine product battery identification system for mobile devices. A tag for identifying whether a battery is a genuine product battery is included a battery, and a reader for transmitting and receiving radio frequency information is included in a mobile device body. When the battery is mounted in the mobile device body, the mobile device is operated with power supplied from the battery, and the genuine product battery identification system determines whether the battery is a genuine product battery through radio frequency. When it is determined that the battery is the genuine product battery, power is continuously received from the battery to the mobile device, by which the mobile device is normally operated. When it is determined that the battery is not the genuine product battery, on the other hand, the reception of power from the battery to the mobile device is interrupted, whereby problems caused due to the use of a non-genuine product battery are fundamentally solved.

Growing community of inventors

Chungcheongbuk-do, South Korea

Ju-Hwan Baek