Lg Energy Solution, Ltd.

Electronics and Telecommunications Research Institute

Lg Chem, Ltd

University-industry Cooperation Group of Kyung Hee University

Industrial Cooperation Chonbuk National University

Yong-Seok Choi

Jin-Hak Kong

Dal-Mo Kang

Dong-Yeon Kim

Jee-Soon Choi

Jeong-O Mun

Yoon-Koo Lee

Sung-Won Seo

Yong-Il Kim

Sang-Woo Ryu

Ho-June Chi

Wan Gyun Choi

Jin-Hyung Lim

Alexander Eichhorn

Eun-Gyu Shin

Andreas Track

Jae-Min Yoo

Chung Sup Kim

Ki Cheol Tae

Se-Wook Seo

Sang-Il Son

Kyu-Hyun Choi

Hyun-Young Cho

Kanghee Kim

Haeng Sook Ro

Young Soo Kim

Sang-Hoon Lee

Jun-Yeob Seong

Chang-Joo Kim

Jin-Yong Park

Sang-Won Kim

Won-Tae Joe

Hyeong Geun Park

Jong-Ho Kim

Bum-Hyun Lee

Jae Ick Choi

Mi-Geum Choi

Seong-Woon Kim

Myung-Joon Kim

Gyung-Ock Kim

Gang-U Lee

Seung-Hun Jung

Mi-Kyung Suk

Eun-Ji Lim

Jin-Moo Nam

Gwangmoon Park

Yo-Han Ko

Gyu-Jong Bae

Jong-Hyun Jo

Shin-Young Ahn

Seung-Yoon Lee

Young-Choon Woo

Haeng-Sook Ro

Sang-tae Kim

Heung Yong Kang

Seong-Yun Lee

Heung-Yong Kang

Hun Cha

Gyung-Soo Kang

Su-Hang Lee

Hyuk-Je Kwon

Sang Tae Kim

Seong Yun Lee

Hyun-Seok Shim

Du-Seong Yoon

Jae-Dong Park

Won Chan Park

Jong-Young Lee

Jung-Been You

Dong Yeon Kim

Chae-Ho Chung

Soo-Ho Sohn

Hyun-Ki Cho

Sang-Woo Kim

Ji-Young Choi

Soo Ho Sohn

Jeong-In Pak

Jung-Min Park

Ho-Kyung Son

Moon-Ho Lee

Jia Hou

Kwang-Jae Lee

Han-Sol Lee

Seung-Ho Song

Gwang-Moon Park

Seung Min Shin

Woo-Sik Jo

Jin-Chul Yun

Bum-Kyung Seo

Myung-Su Hong

Jeong- O Mun

A battery pack includes at least one battery module including a plurality of battery cells, and a module housing to receive the plurality of battery cells, at least one thermoelectric module disposed outside or inside of the module housing of the battery module and configured to generate voltage when a temperature of the battery module rises to a predetermined temperature or above, and an energy drain unit configured to discharge the battery module when a predetermined magnitude of voltage or above is applied from the thermoelectric module.

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

The present disclosure relates to a battery module with reduced manufacturing cost and a battery pack comprising the same. To achieve the above-described object, the battery module according to the present disclosure includes a cell assembly including a plurality of secondary batteries, and a module housing in which the cell assembly is received, wherein the module housing includes at least two frames capable of changing a length of the module housing according to a size of the cell assembly.

Battery module, battery pack comprising battery module and vehicle

A battery module includes at least two cell assemblies, a module housing having an upper cover formed by a top portion and a first side portion extending downward from a first side edge of the top portion, a first gas passage formed between the first side portion of the upper cover and a first side of the at least two cell assemblies for circulation of gas generated from the at least two cell assemblies, and a flame retardant plate in the first gas passage and extending between the at least two cell assemblies and the module housing, wherein the first side portion of the upper cover is coupled to the flame retardant plate.

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

A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.

Battery module, battery pack including same battery module, and automobile including same battery pack

A battery module includes a sub module including a plurality of battery cells, a lower housing to receive the sub module therein and having an opening, a first housing cover coupled to the lower housing, covering the opening of the lower housing, and having a gas inlet, a second housing cover coupled to the first housing cover from above to form a gas receiving space therebetween, and having a gas outlet, and a variable partition structure using hinges installed in the gas receiving space to partition the gas receiving space to define a gas exhaust path to increase a movement path of a flame entering together with gas occurred in the sub module and entering the gas receiving space through the gas inlet.

Battery module having flame arresting structure, battery pack, vehicle and energy storage system comprising the same

A battery pack includes a battery module having a battery cell, a relay configured to connect the at least one battery module to a motor of the vehicle, and a controller connected to the relay and the motor to control the relay and the motor. When a temperature of the battery cell of the battery module rises over a predetermined temperature, the controller operates the relay so that the motor idles. The battery pack is provided to a vehicle.

Battery pack, vehicle including battery pack, and method for controlling battery pack

A forced discharge test apparatus includes a heating circuit; a discharge circuit; a temperature sensor; and a controller. When the controller receives a test command indicating a test resistance and a test temperature, the controller outputs a first control signal to the heating circuit to increase the temperature of a battery cell. The controller outputs a second control signal to the discharge circuit to discharge the battery cell when the temperature of the battery cell reaches the set test temperature. The controller determines that the test temperature is valid with respect to the test resistance when the temperature of the battery cell is equal to or lower than the upper temperature limit at a time point at which a predetermined heating time has passed from a time point when the first control signal is outputted.

Forced discharge test apparatus and forced discharge test method

A battery module includes a plurality of secondary batteries, each including an electrode assembly and an electrolyte accommodated in an inner space of an exterior case. The battery module also includes an electrode lead having a body and a plate-shaped head portion. A first end of the body is electrically connected to a positive electrode plate or a negative electrode plate of the electrode assembly, and a second end of the body protrudes outward from the exterior case. The plate-shaped head extends in both directions perpendicular to the protruding direction of the body from the second end. The battery module also includes a bus bar having a plate shape with a slit extending inwardly from one end thereof so as to receive a portion of the body. The electrode lead and the bus bar may be at least partially made of an electrically conductive material.

Battery module including secondary battery and bus bar

A battery module system includes a cooling device, a battery module disposed on the cooling device, the battery module being in direct or indirect contact with the cooling device, a sensor attached to the battery module to sense a temperature of the battery module or gas generated from the battery module, a battery management system to output a switching on/off signal with reference to a sensing signal transmitted from the sensor; and an external short-circuiting device connected between the positive electrode and negative electrode of the battery module to induce an external short circuit of the battery module, the external short-circuiting device including: a resistor disposed on the cooling device, the resistor being in direct or indirect contact with the cooling device; and a switch to electrically connect or isolate the battery module to/from the resistor according to the switching on/off signal.

Battery module system comprising external short-circuit device and cooling device

A battery module includes a module housing with a simplified assembling process and an improved energy density. The battery module includes a battery assembly configured to include a plurality of secondary batteries and has front, rear, upper, lower, left and right sides; and a module housing including a first frame located at the left side of the battery assembly and having a plate shape with opposing ends bent rightward so that bent portions thereof are respectively located at the upper side and the lower side of the battery assembly, and a second frame located at the right side of the battery assembly and having a plate shape with opposing ends bent leftward so that bent portions thereof are respectively located at the upper side and the lower side of the battery assembly and are coupled with the bent portions of the first frame, respectively.

Battery module comprising module housing

A battery module for improving heat balance of a cell assembly provided in the battery module includes a cell assembly having at least three battery cells stacked along a stacking axis such that at least one battery cell located at an interior position within the cell assembly along the stacking axis has a greater thickness along the stacking axis than a battery cell located at an outer side of the cell assembly. A module housing includes at least one sidewall and is configured to accommodate the cell assembly in an inner space defined by the sidewall.

Battery module

A battery module has a reduced risk of secondary fire or explosion. The battery module includes at least two cell assemblies including a plurality of secondary batteries, a module housing having a gas passage on at least one of left side or right side of the cell assembly for circulation of gas generated from the cell assembly, and a flame retardant plate including a body interposed between the at least two cell assemblies, and a flame barrier extending in a left-right direction from at least one of left end or right end of the body and disposed in part of the gas passage.

An apparatus for predicting a degree of deformation of a battery module, caused by swelling of a secondary battery. The battery module includes at least one secondary battery in a module case. The apparatus includes a cell evaluation module configured to derive a relationship between a thickness change amount and a reaction force for a single secondary battery; a case evaluation module configured to derive a relationship between a load applied to the module case and a width change amount of the module case; and a prediction module configured to predict a deformation amount of the battery module by using the relationship between the thickness change amount and the reaction force of the secondary battery, derived by the cell evaluation module, and the relationship between the load and the width change amount of the module case, derived by the case evaluation module.

Apparatus for predicting deformation of battery module

Growing community of inventors

Daejeon, South Korea

Yong-Seok Choi