Lg Energy Solution, Ltd.

Lg Chem, Ltd

Jin-Kyu Lee

Jin-Kyu Shin

Kyung-Hyun Bae

Goan-Su Jung

Ji-Won Jeong

Dal-Mo Kang

Seung-hyun Kim

Sang-Hyun Jo

Seong-Tae Kim

Jung-Hoon Yang

Seung-Don Choi

Jong-Soo Lee

Kown Son

Young-Seok Lee

Tae-Hyuck Kim

Tae-Hwan Roh

Gyong-Jin Oh

Jun-Min Lee

Soo-Han Kim

Jun-Seok Choi

Dong-Yeon Kim

Seung-Jun Lee

Min-Chul Jang

Doo-Han Yoon

In-Cheol Shin

Dong-Sik Yoon

Sung-Goen Hong

Seung-Min Ok

Gi-Moon Gil

Hyeok Namgoung

Moon-Youl Ahn

A battery module includes a cell assembly including a plurality of secondary batteries, a module housing in which the cell assembly is received in an internal space, the module housing having an opening through which the internal space is in communication with an external space, and an adjustment cover configured to cover at least a part of the opening to fill a fire extinguishing agent supplied into the battery module to a predetermined height or above.

Battery module, battery rack comprising same, and power storage device

An energy storage system includes a module stack having a plurality of battery modules stacked vertically; a venting detecting unit configured to detect a venting when the venting occurs in at least a part of the plurality of battery modules; and a coolant supplying unit configured to supply a coolant to a battery module at which a venting occurs when the venting of the battery module is detected by the venting detecting unit.

Battery system having structure in which coolant can be fed into battery module

A battery pack includes: a plurality of battery modules including a plurality of battery cells and a housing accommodating the plurality of battery cells; a case accommodating the plurality of battery modules; a plurality of insulating materials arranged between two battery modules facing each other among the plurality of battery modules; and a thermally conductive sheet having one side positioned between the insulating materials and the other side in contact with the case.

Battery pack having thermal diffusion prevention structure between battery modules

A battery pack includes a pack housing; a plurality of battery modules; a water tank connected to the plurality of battery modules; a coolant tube including a main tube connected to the water tank, a plurality of supply tubes configured to connect the main tube and the battery modules to each other, and a bypass tube connected to the main tube at a point above a supply tube located at a top end among the plurality of supply tubes and at a point below a supply tube located at a bottom end; at least one sensor installed in the pack housing to detect a thermal runaway phenomenon generated in at least a part of the plurality of battery modules; and a controller configured to output a control signal for introducing a coolant into the battery module through the coolant tube when a thermal runaway phenomenon is detected by the sensor.

Battery pack having structure allowing input of cooling water into battery module upon occurrence of thermal runaway phenomenon and ESS comprising same

A battery pack includes at least one cell assembly including a plurality of battery cells, an energy consumer configured to discharge the at least one cell assembly when thermal runaway occurs in at least one of the plurality of battery cells, and a storage unit in which the energy consumer is received inside, and configured to discharge at least part of the energy consumer to outside when the energy consumer discharges the cell assembly.

Battery pack, battery rack comprising the same and energy storage system

A battery module includes at least one battery cell; and a module case configured to accommodate the at least one battery cell, wherein a fire extinguishing agent supply channel connected to a fire extinguishing tank containing a fire extinguishing agent to directly inject the fire extinguishing agent into the module case when a thermal runaway or fire occurs at the at least one battery cell is provided to an inside of at least one side of the module case.

Battery module, battery rack comprising same battery module, and power storage device comprising same battery rack

A battery pack includes at least two battery modules arranged in one direction; and a fire extinguisher having a linear temperature sensor partially extending linearly along the at least two battery modules and configured to sense whether at least one of the at least two battery modules has a temperature over a predetermined temperature, a fire extinguishing tank configured to accommodate a fire extinguishing agent therein, a pipe connected to the fire extinguishing tank to supply the fire extinguishing agent from the fire extinguishing tank to each of the at least two battery modules, and a valve opened to supply the fire extinguishing agent from the fire extinguishing tank to the battery module over the predetermined temperature.

Battery pack comprising extinguishment unit

Provided is a battery pack having an improved temperature control performance. The battery pack includes a plurality of battery modules including at least one secondary battery therein and spaced apart from each other by a predetermined distance, and a bridge member including a heat conductive material and configured to receive heat generated from at least one battery module by being disposed in contact with at least two battery modules among the plurality of battery modules.

Battery pack having improved temperature control performance

A battery module includes a plurality of battery cells; a module housing configured to accommodate a cell stack including the plurality of battery cells; a sprinkler provided through the module housing at one side of the cell stack in a stacking direction; and a thermally expanding block disposed in an empty space inside the module housing and configured to be thermally expanded according to a temperature rise inside the module housing.

Battery module having structure capable of rapid cooling, and ESS comprising same

A battery pack includes at least one battery module; a first fire extinguisher including a first fire detection sensor, a first fire extinguishing tank configured to accommodate a fire extinguishing agent therein, a first pipe configured to connect the first fire extinguishing tank and the at least one battery module so that the fire extinguishing agent is supplied from the first fire extinguishing tank to the at least one battery module, and a first valve opened to supply the fire extinguishing agent from the first fire extinguishing tank to the at least one battery module; and a second fire extinguisher including a second fire detection sensor, a second pipe having one end connected to the first pipe, a fire extinguishing agent supplier connected to the other end of the second pipe, and a second valve opened to supply the fire extinguishing agent to the first pipe through the second pipe.

Battery pack comprising fire extinguishing unit, battery rack comprising same, and power storage system

An energy storage system includes a plurality of battery modules, a rack case configured to accommodate the plurality of battery modules, a coolant tank provided to an upper side of the rack case and containing a predetermined coolant, a pipe unit configured to connect the coolant tank and the plurality of battery modules, and a valve unit provided between the pipe unit and the coolant tank and configured to be opened when at least one battery module has a temperature over a predetermined temperature among the plurality of battery modules to discharge the coolant of the coolant tank to the pipe unit so that the coolant is supplied to the battery module over the predetermined temperature.

Battery rack and power storage apparatus comprising same

A battery module includes a plurality of battery cells; a module housing configured to accommodate a cell stack including the plurality of battery cells; a sprinkler provided through the module housing at one side of the cell stack in a stacking direction; and at least one guide plate fixed inside the module housing and installed to be inclined so that one longitudinal end thereof is oriented toward the sprinkler.

Battery module having structure enabling rapid deployment of sprinkler, and ESS including same

A battery module includes a cell stack including a plurality of battery cells stacked in a direction, a module housing having an internal space in which the cell stack is received and an air inlet and an air outlet through which air enters and exits, a valve installation hole formed through a side wall of the module housing, a feed valve nozzle installed at the valve installation hole facing the internal space of the module housing, and a water expandable member provided in the module housing. The water expandable member expands in volume when it absorbs water during operation of the feed valve nozzle to close at least one of the air inlet, the air outlet or the valve installation hole.

Battery module having structure capable of delaying outflow of fire-fighting water injected therein in case of fire, and battery rack and energy storage device comprising same

An energy storage system includes a rack container having a predetermined accommodation space, a plurality of battery racks disposed in the rack container and respectively having a coolant tank in which a predetermined coolant is contained, and at least one flux supplement unit configured to connect the coolant tanks of the plurality of battery racks.

Power storage device

A battery pack includes at least two battery modules arranged in one direction; and a fire extinguisher having a fire extinguishing tank configured to contain a fire extinguishing agent therein, a pipe connected to the fire extinguishing tank to supply the fire extinguishing agent from the fire extinguishing tank to each of the at least two battery modules, a flow rate adjuster provided to the pipe and configured to adjust a feed flow rate of the fire extinguishing agent to be constant, and at least one valve configured to supply the fire extinguishing agent from the fire extinguishing tank to the battery module having an internal temperature rising over a predetermined temperature.

Growing community of inventors

Daejeon, South Korea

Jin-Kyu Lee