Lg Chem, Ltd

Lg Energy Solution, Ltd.

Ju Hwan Baek

Heung Kun Park

Seok Won Jeung

Jong Woon Choi

Geon Tae Park

Hyeong Min Park

Hyung Ku Yun

Choon Kwon Kang

Tae Wook Kim

Min Chan Kim

Sung Choon Choo

Song Yi Song

Jung Hwan Kim

Suk Jin Song

Young Ho Son

Jung Ho Oh

Jung Su Oh

Jic Han Jeong

Seung Bae Lee

Pan Jung Kwon

Jin Hyun Ryu

Discussed is a flexible printed circuit board bending apparatus for battery cells, the flexible printed circuit board bending apparatus including: a die comprising a horizontal body and a support wall configured to receive a battery cell having a flexible printed circuit board exposed outwards from one side of the battery cell; a bending guide unit located at one side of the die; and a bending unit located at the one side of the die, wherein the bending unit comprises: a stationary body; a turning body connected to the stationary body, the turning body being configured to be turnable by a predetermined first angle; and a board seating portion connected to the turning body, the board seating portion having a board seating groove formed therein, and being configured to receive the flexible printed circuit board.

Flexible printed circuit board bending apparatus for battery cells and bending method using the same

A battery pack manufacturing device includes a transferring part for transferring a plurality of unit cells, an adjusting part for adjusting a position of a pack frame in which the unit cells are accommodated, and a vertical pressing part that vertically presses the unit cells accommodated in the pack frame. The transferring part includes a seating part on which the unit cells are seated. The unit cells are vertically dropped and mounted in accommodating parts of the frame when an opening and closing part of each seating part is opened.

Battery pack manufacturing device and manufacturing method of battery pack

Discussed are a metal plate for resistance welding and a resistance welding method using the same, wherein the metal plate is for being resistance-welded to an electrode terminal of a cylindrical battery, and the metal plate includes a body; and a pair of protrusion units located spaced apart from each other by a predetermined distance, the pair of protrusion unit being provided at one side surface of the body, and a slit is formed between the pair of protrusion units.

Metal plate for resistance welding and resistance welding method using the same

Discussed is an electrode lead cutting apparatus for battery cells, the electrode lead cutting apparatus including a cell fixing unit configured to fix a battery cell, an electrode lead fixing unit configured to supply air to an electrode lead of the battery cell in order to fix a point of the electrode lead to be cut, and an electrode lead cutting unit configured to cut the point of the electrode lead to be cut.

Electrode lead cutting apparatus for battery cells

A battery label attachment apparatus for attaching a label to a battery including a label support on which the label is placed, an alignment check part configured to check whether an alignment state of the label is normal or defective, and a label aligning part configured to align the label when the alignment state determined by the alignment check part is defective is provided. A method for attaching a label to a battery is also provided.

Battery label alignment device and method

Disclosed herein is a jig for assembly of a battery module, the jig including a housing having a first accommodation portion configured to accommodate a battery cell and a second accommodation portion disposed so as to be spaced apart from the first accommodation portion, the second accommodation portion being configured to accommodate a circuit board in the state of being spaced apart from the battery cell, wherein the battery cell is accommodated in the first accommodation portion, and the circuit board is accommodated in the second accommodation portion, whereby the orientation of the circuit board with respect to the battery cell may be maintained.

Jig for assembly of battery module

A battery pack case prevents moisture from being permeated into a battery pack with an easily assembled structure. The battery pack case includes an upper pack case and a lower pack case that are slidably coupled with each other. The upper pack case includes a coupling protrusion, and the lower pack case includes a coupling groove such that a bonding member is at portion at which the coupling protrusion and the coupling groove come into contact with each other.

Battery pack case and method for manufacturing the same

Discussed is a battery pack function test device including (a) a loading part for lifting a carrier jig on which a battery pack is loaded from a conveyor and transferring the lifted carrier jig to a testing part, (b) the testing part for testing the functions of the battery pack on the carrier jig transferred from the loading part, and (c) an unloading part for transferring the battery pack to the conveyor in the state in which the battery pack is loaded on the carrier jig upon determining that the battery pack is a good product by the testing part and transferring the battery pack to a defective battery pack stacking part in the state in which the battery pack is loaded on the carrier jig upon determining that the battery pack is a defective product by the testing part.

Battery pack function test device

Disclosed herein is a sheet attachment device for battery packs, specifically a sheet attachment device for attaching a label sheet and a sheathing sheet to a battery pack having a plate-shaped battery cell mounted in a pack case. The sheet attachment device includes first and second loaders, first and second jigs, first and second guide frames, a first sheet attachment jig, a rotator, a pressing roller, a conveyor, and a second sheet attachment jig.

Sheet attachment device for battery packs

Disclosed is a secondary battery pack including a battery cell having a cathode and anode terminal formed at one face having a sealed surplus portion and a protection circuit module (PCM) electrically connected to the cell via the cathode and anode terminal, wherein the PCM includes a board having a cathode terminal connection part connected to the cathode terminal and an anode terminal connection part connected to the anode terminal and an electrically insulative case configured to receive the board through an open face thereof. The board, connected to the cathode terminal and anode terminal of the battery cell via the cathode terminal connection part and the anode terminal connection part, is mounted to the sealed surplus portion of the cell in a state in which the board is disposed in the case so that the cathode and anode terminal are exposed through the open face of the case.

Secondary battery pack

Disclosed is a secondary battery pack including an anode terminal of a battery cell, the anode terminal being made of a plate-shaped conductive member, the anode terminal being electrically connected to a protection circuit module (PCM) via a safety element, a cathode terminal of the battery cell, the cathode terminal being made of a plate-shaped conductive member, the cathode terminal being directly electrically connected to the PCM, a battery cell having the anode terminal and the cathode terminal formed at one end thereof, the battery cell being provided at the end thereof with a thermally welded surplus portion, and a PCM including a printed circuit board (PCB) having a protection circuit formed thereon.

Secondary battery pack with improved safety

Disclosed herein is a top cap assembly mounted to a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery case being provided at an upper end thereof with a first electrode terminal and a second electrode terminal, the top cap assembly including a protection circuit module (PCM) and an electrically insulative top cap housing mounted to the upper end of the battery cell while surrounding an outside of the PCM, wherein the PCM includes a protection circuit board (PCB) having a protection circuit formed thereon, the PCB being coupled to a mechanical coupling part of a terminal block, connecting parts connected to the first electrode terminal and the second electrode terminal, a safety element, and the terminal block mounted to the PCM, the terminal block including connectors.

Top cap assembly having terminal block

Disclosed is a secondary battery pack including a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case together with an electrolyte in a sealed state, the battery case being provided at an upper end thereof with a first electrode terminal, a second electrode terminal, and a pair of fastening grooves, a protection circuit module (PCM) including a protection circuit board (PCB) having a protection circuit formed thereon, connection members A and B connected to the first electrode terminal and the second electrode terminal, respectively, and a safety element, an insulative mounting member, and an electrically insulative top cap.

Growing community of inventors

Daejeon, South Korea

Ju Hwan Baek