Lg Chem, Ltd

Lg Energy Solution, Ltd.

Sung-Jong Kim

Soon-Ho Ahn

Cha-Hun Ku

Jun-Yeob Seong

Chae-Yang Cho

Seung-Sik Yu

Je-Jun Lee

Joong-Jae Lee

Tae-Sung Kim

Dong-Myung Kim

Sung-Min Hwang

Do-Gyun Kim

Doo-Han Yoon

Yong-Su Choi

Jae-Dong Chang

Jun-Yong Jeong

Sang-Bong Nam

Kyung-Su Oh

Jung-Ah Lee

Disclosed are a battery protection structure, which is suitable for preventing deformation caused by physical stress at a coupling portion of a base plate and an end plate, which are stacked sequentially, and a battery module comprising the battery protection structure. The battery protection structure includes: a base plate located below a battery assembly and having a male screw member around the battery assembly; an end plate located at a side of the battery assembly on the base plate; and a reinforcing member provided below the end plate and located between a barrier of the end plate and a flange protruding from the barrier, wherein the male screw member passes through the reinforcing member and the flange, and a female screw is coupled to a male screw of the male screw member on the reinforcing member.

Battery protection structure and battery module comprising same

The present invention provides a battery compression inhibitor and a battery module comprising the same, the battery compression inhibitor being suitable for preventing at least one battery assembly from being compressed by repeated application of an external force between end plates. The battery compression inhibitor according to the present invention comprises, in order to protect a battery assembly inside a battery module: a barrier positioned on the periphery of the battery assembly and exposed from the battery assembly; and a base plate exposed from the battery assembly and from the barrier below the battery assembly and below the barrier.

Battery compression inhibitor and battery module comprising same

Provided is a battery pack including a pack case configured to form an exterior; a cell assembly accommodated in the pack case, and including a plurality of battery cells respectively including electrode leads; a pack cover configured to cover the pack case so as to package the cell assembly; and a lead connecting substrate provided between the cell assembly and the pack cover, configured to connect the electrode leads of the plurality of battery cells to one another, and including insert-molded terminals penetrating through the pack cover to be connected to an external power supply.

Battery pack and vehicle comprising the same

Disclosed is a battery connecting unit which is placed on a lower housing and protruding from an upper housing and thus is suitable for preventing water penetration from the outside of the upper housing, and a battery pack including the same. The battery connecting unit is electrically connected to a battery laminate between a lower housing and an upper housing of a battery pack and includes a plastic member configured to come into contact with the upper housing and a metal terminal inserted into the upper housing, wherein the plastic member partially surrounds the metal terminal, and wherein the metal terminal is made of a circular pillar. In addition, the battery pack includes the battery connecting unit.

Battery connecting unit and battery pack including the same

A secondary battery cartridge includes: a battery storing box including a battery accommodation space in which a secondary battery is stored, and a flow channel partitioned from the battery accommodation space and having a hollow structure, and including, at opposite side parts thereof, respectively, a slot communicating with the battery accommodation space, and a venting hole communicating with the flow channel; a sensing unit including an electrically conductive material, mounted on at least one side part of the battery storing box, and electrically connected to an electrode lead of the secondary battery, the electrode lead extending to an inside and an outside of the battery storing box through the slot; and a cover unit provided in a box form having one open side, and mounted on the opposite side parts of the battery storing box in order to shield the slot, the venting hole, and the sensing unit of the battery storing box, wherein a gas outlet is provided to the cover unit mounted on at least one of the opposite side parts of the battery storing box.

Secondary battery cartridge and battery module comprising same

Disclosed is an inner case of a battery module assembly in which four battery modules, each having a plurality of cylindrical secondary battery cells (hereinafter, also referred to as 'cells'), are electrically connected in series. The inner case includes a side frame making contact with two facing sides among sides of the battery module assembly, an upper frame making contact with an upper surface of the battery module assembly, and an electrode post electrically connected to an electrode of the battery module assembly and located at a top of the upper frame. Therefore, it is possible to provide an inner case of a stable and economic battery module including a plurality of secondary battery cells.

Inner case of battery module assembly for vehicle's battery pack

Disclosed is a battery module assembly, which includes four battery modules, each having a plurality of cylindrical secondary battery cells (hereinafter, also referred to as 'cells') interposed between an upper frame and a lower frame, wherein among the four battery modules, two battery modules are arranged in parallel, and two battery modules are stacked on the two battery modules arranged in parallel. Therefore, it is possible to provide a stable and economic battery module assembly including a plurality of secondary battery cells.

Battery module assembly for vehicle's battery pack

A battery warm up system according to the present disclosure includes an open signal receiving unit to receive a door open signal for opening a door of a vehicle, a temperature measuring unit to measure a temperature of a battery pack connected to a starter of the vehicle, a control unit to output a forced discharging start signal by referring to information associated with the temperature measured by the temperature measuring unit when the door open signal is received by the open signal receiving unit, and a forced discharging circuit unit to force a plurality of battery modules constituting the battery pack to be discharged in response to the forced discharging start signal.

Battery warm up system and method for warming up battery using the same

Disclosed is a case for a vehicle's battery pack. In an aspect of the present disclosure, it is possible to provide a stable and economic case for a battery pack including a plurality of secondary battery cells.

Case for vehicle's battery pack

A seal tape capable of preventing an electrode assembly from moving in a secondary battery, and a secondary battery using the same are disclosed. The seal tape for a secondary battery is attached to the outer surface of the electrode assembly which is received in a battery case, and includes a first adhesive layer having an adhesive surface adhered to the outer surface of the electrode assembly, a second adhesive layer having an adhesive surface at a side opposite to the adhesive surface of the first adhesive layer so as to adhere to an inner surface of the battery case, and a protective layer formed on the second adhesive layer, wherein the protective layer is entirely or partially removed by reating with an electrolyte of the secondary battery.

Seal tape and secondary battery using the same

A secondary battery having no beading portion includes an electrode assembly having a cathode plate and an anode plate arranged with a separator being interposed therebetween, a battery case having an upper can configured to accommodate the electrode assembly and an electrolytic solution in an inner space thereof and have an open top and an open bottom, the top of the upper can being bent inwards, and a lower sealing member coupled to the bottom of the upper can to seal the bottom of the upper can, and a cap assembly having a top cap protruding on an uppermost portion thereof to form a cathode terminal, a safety vent located below the top cap and configured to change a shape when an inner pressure of the battery case increases, and a gasket surrounding rims of the top cap and the safety vent.

Secondary battery and method for manufacturing the same

A battery warm up system according to the present disclosure includes a battery state measuring unit to measure a state of charge (SOC) of each module of a battery pack of a vehicle, a control unit to optionally output a forced discharging start signal and to output a balancing start signal, a forced discharging circuit unit to force at least one battery module among a plurality of battery modules of the battery pack to be discharged in response to the forced discharging start signal, and a balancing unit to balance the SOC of each of the battery modules in response to the balancing start signal.

Disclosed is a battery module assembly for a vehicle's battery pack, which has four battery modules, among which two battery modules are arranged in parallel and two battery modules are stacked and provided on the two battery modules arranged in parallel, wherein cylindrical secondary battery cells respectively included in the battery modules are electrically connected in parallel by means of plates respectively disposed at tops of the two battery modules arranged in parallel, wherein the two battery modules arranged in parallel are electrically connected in parallel by means of a lower metal plate disposed on the two battery modules arranged in parallel, wherein cylindrical secondary battery cells respectively included in the battery modules are electrically connected in parallel by means of metal plates respectively disposed at tops and bottoms of the two battery modules stacked on the two battery modules arranged in parallel, and wherein the four battery modules are electrically connected in series. Therefore, it is possible to provide a stable and economic battery module assembly including a plurality of secondary battery cells.

A power source for vehicles according to the present disclosure includes a secondary battery pack to support power required to start up a vehicle and power required for an electronic device equipped in the vehicle together, and having an operating voltage range of 9V to 19V in which a maximum operating voltage ranges from 16V to 19V and an average voltage is higher than or equal to 12V, and an alternator to produce a charging power for the secondary battery pack in response to operation of an engine of the vehicle.

Charging system for vehicle and vehicle comprising the same

Disclosed is a battery module, which includes a plurality of cylindrical secondary battery cells (hereinafter, also referred to as 'cells'), an upper frame having a plurality of grooves formed corresponding to an appearance of the cells, the grooves being opened to expose electrodes of the cells outwards, and a lower frame having a plurality of grooves formed corresponding to the appearance of the cells, the grooves being opened to expose electrodes of the cells outwards, wherein cell stoppers are formed at tops of the grooves formed in the upper frame and bottoms of the grooves formed in the lower frame to partially cover the tops and the bottoms of the cells so that the cells are not separated from the grooves. Therefore, it is possible to provide a battery module which may ensure mechanically stable connection when configuring an assembly including a plurality of battery modules.

Growing community of inventors

Daejeon, South Korea

Sung-Jong Kim