Lg Chem, Ltd

Lg Energy Solution, Ltd.

Dal Mo Kang

Jin Kyu Lee

BumHyun Lee

Jongmoon Yoon

Hee Soo Yoon

Jun Yeob Seong

Ye Hoon Im

Yongshik Shin

Jaeseong Yeo

Minjung Kim

Heekook Yang

Bum Hyun Lee

Chae Ho Chung

Jeong Oh Moon

Sang Phil Han

Jong Woon Choi

Yong Seok Choi

Hey Woong Park

Minchul Jang

Min Jung Kim

Jong Moon Yoon

Myung Hoon Ko

Jaesung Ahn

Jae Hun Yang

Jinkyu Lee

Jeeho Kim

Hanho Lee

Sung Joon Park

Jin Yong Park

Min Chul Jang

Ji Young Choi

Seung Don Choi

Sooryoung Kim

Jun Hee Jung

Tae Hwan Roh

In Cheol Shin

Jaemin Lee

Ye-Hoon Im

Ho June Chi

JaeHun Yang

Ki Youn Kim

Jung Koo Kang

Byung O Kong

Youngsop Eom

Jung Oh Moon

Dooseong Choi

Jae Min Yoo

Sung Won Seo

Shinichi Jinushi

Hojin Jeon

Seung Hun Jung

Su Chang Kim

Ji Su Yoon

Daesik Choi

Jaeuk Ryu

You Rim Yoon

Jung Min Park

Yo Jin Kim

Sang Yoon Jeong

Hang June Choi

Dong Yeon Kim

Seung Su Cho

Yong Kyu Ju

Chae-Ho Chung

Hyeon Ki Yun

Chang Moon Jeong

Inchul Shin

Jun Seok Choi

Nan Ji Yun

Seung Taek Hong

Kwanyong Kim

Min Ho Kwon

Jae Uk Ryu

Soul Gie Hong

Young Sop Eom

Suchan Park

Chang Ho Kim

Doo Seong Choi

Gil Sang Son

Jeong Oh Mun

An electrode includes an active material coating portion coated with an electrode active material on at least one surface of an electrode collector; and an active material non-coating portion which is at one side of the active material coating portion, is not coated with the electrode active material, and includes at least one slit extending from one end to another end thereof, wherein in each slit of the at least one slit, a hole passes through a point at which the respective slit and the active material coating portion meet each other.

Electrode and electrode assembly

The present invention relates to a battery cell that can include an electrode assembly configured with two or more unit stacks connected to each other in series or in parallel, a battery case configured to receive the electrode assembly therein, and an insulative protection member configured to protect an electrode tab portion of the unit stacks. The overall length of the battery case can be three or more times the overall width of the battery case. A positive electrode lead and a negative electrode lead can extend outwards from the battery case protruding in opposite directions. A plurality of unit stacks can be used to implement a long battery cell, and a connection portion at which the plurality of unit stacks are connected is reinforced to improve safety of the battery cell.

Battery cell including protection member

A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.

Secondary battery cell module and assembling method thereof

A battery pack includes a battery cell and a bus bar electrically connected to the battery cell, wherein the bus bar includes a rupture portion configured to melt due to electric resistance heat generated by overcurrent and thus to rupture, the rupture portion having a plurality of through-holes therein.

Battery pack

Disclosed herein is a battery module configured in a structure in which a plurality of battery cells or unit modules ('unit cells') are stacked, and a heat sink is mounted to electrical connection regions between the unit cells and/or to outsides of battery module connection members connected to the electrical connection regions.

Battery module of improved safety

Disclosed herein is a voltage sensing assembly including sensing bus bars connected to series connection portions of battery cells for sensing the voltage of the battery cells, a printed circuit board (PCB), to the upper part of which the sensing bus bars are and to the lower part of which a connector is coupled, the connector mounted on the PCB, an insulative mounting member including a receiving part having a shape corresponding to the shape of the PCB such that the PCB is mounted in the receiving part, the receiving part being provided at one side thereof with openings, through which the sensing bus bars extend, and an insulation sheet attached to the front surface of the PCB.

Voltage sensing assembly and battery module including the same

Disclosed is a battery pack including a battery module array constituted by one or more battery modules each including one or more unit modules each configured to have a structure in which a battery cell is surrounded by a cell cover are mounted in a module case in a state in which the unit modules are stacked while being vertically upright, a base plate on which the battery module array is loaded, a pair of end plates to support opposite sides of the array in a state in which a lower end of each of the end plates is fixed to the base plate, and an insulation member disposed between the array and each of the end plates, the insulation member being provided at a surface thereof facing the array with one or more ribs to absorb shock caused by external force and to define a coolant flow channel.

Battery module of improved safety and battery pack containing the same

Disclosed herein is a module housing of a unit module including battery cells, the module housing including a first cover member and a second cover member coupled to each other for covering entire outer surfaces of the battery cells, mounting grooves formed at an inside end of at least one of the first and second cover members such that the battery cells are mounted in the respective mounting grooves, and an injection port formed at the module housing such that a thermoplastic resin is injected to interfaces between the mounting grooves and the battery cells through the injection port in a state in which the battery cells are mounted in the module housing.

Module housing of unit module having heat dissipation structure and battery module including the same

A battery module including two or more stacked battery cells which can be charged and discharged and at least one cooling plate comprising a thermal conduction portion and at least one heat dissipation portion connected to said thermal conduction portion, the thermal conduction portion being disposed between one or more adjacent battery cells, and the at least one heat dissipation portion extending beyond the adjacent battery cells and including one or more bend is provided.

Battery module having indirect air-cooling structure

Disclosed herein is a battery cell including a battery cell body having an electrode assembly mounted in a cell case, an electrode terminal protruding from at least one end of the battery cell body, and a connection protrusion for voltage sensing formed integrally with the electrode terminal.

Battery cell having connecting protrusion for voltage sensing and battery module comprising the same

The present invention relates to a battery module. The battery module includes a battery cell, a module case in which the battery cell is built, and a flame retardant filled in the module case. Thus, when the battery module is damaged, an insulation film is formed on the damaged portion to prevent fire or explosion from occurring.

Battery module

Disclosed herein is a battery module including chargeable and dischargeable battery cells mounted in a module case, wherein the battery cells are mounted in the module case in a state in which the battery cells are stacked in a lateral direction in which electrode terminals are not located, the module case is configured to have a frame structure open at one or more surfaces thereof, the module case including a receiving part to mount the battery cells, and a heat dissipation support member to dissipate heat from the battery cells through thermal conduction based on direct or indirect contact with the battery cells is mounted in the receiving part, in which the battery cells are mounted.

Battery module with novel structure

A battery cell is provided. The battery cell includes a battery case, an electrode assembly located in the battery case, the electrode assembly comprising a cathode, an anode, and a separator disposed between the cathode and the anode, an electrolyte present in the battery case, the battery case being sealed at a perimeter thereof, and a frame coupled to the perimeter of the battery case, the frame having a venting guiding portion at the perimeter of the battery case, such that sealing of the battery case is released through the venting guiding portion when internal pressure of the battery cell increases, the venting guiding portion comprising a reduction in the amount of material of the frame in a predetermined location at the perimeter of the battery case. A battery cell module is also provided.

Battery module having venting guiding portion

Disclosed herein is a voltage sensing member for sensing voltage of battery cells constituting a battery module, the voltage sensing member including a plurality of conductive sensing parts connected to electrode terminal connection parts of the battery cells of the battery module, each of the conductive sensing parts having a plate strip shape, a connector for transmitting the voltage sensed by the conductive sensing parts to a battery management system (BMS), and a plurality of wires for electrically connecting the conductive sensing parts to the connector, wherein the conductive sensing parts are coupled to the electrode terminal connection parts in a surface contact manner by welding.

Voltage sensing member and battery module employed with the same

Growing community of inventors

Daejeon, South Korea

Dal Mo Kang