Lg Energy Solution, Ltd.

Lg Chem, Ltd

Konkuk University Industrial Cooperation Corp

Bum Young Jung

Hyung Ku Yun

Kyung Min Kim

Jun Soo Park

Sun Mo An

Seung Ryul Choi

Ji Su Lee

Su Hyun Yun

Chul Kyu Lee

Ki Woong Kim

Byung Soo Kim

Tae Gyun Noh

Yong Kim

Kyoung Ho Kim

Sun Kyu Kim

Han Young Lee

Ji Hyun Choi

Suk Woo Lee

Hanyoung Lee

Ki Jae Kim

Jung Gu Han

Jeong Gil Kim

Yeo Min Yoon

Dong Sik Yoon

Kyung Min Lee

Yong Min Lee

Hee Soo Na

Jeong Ho Ha

Kyungmin Lee

Hyo Sun An

Il Hyoung Joung

Oh Jun Kwon

Kyu Rak Kim

Kyu Bin Lee

Yustian Suharto

Yong Keon Ahn

A battery module includes a plurality of battery cells, and a bus bar for electrically connecting the plurality of battery cells, wherein the bus bar includes a bus bar body and a safety unit inserted into a part of the bus bar body and surrounded by the bus bar body, and wherein the safety unit includes a volumetric expansion resin, a conductive material and an adhesive.

Battery module

Disclosed are an exterior for a secondary battery and a secondary battery. According to one aspect of the present invention, an exterior for a secondary battery, in which an internal space is defined, includes a first metal part and a second metal part spaced apart from the first metal part, wherein the first metal part is disposed closer to the internal space than the second metal part, and the first metal part has a thermal conductivity greater than a thermal conductivity of the second metal part.

Exterior for secondary battery and secondary battery having the same

An apparatus and method for inspecting lithium precipitation may form a magnetic field around a battery cell to be inspected to induce an eddy current and may compare measured impedance of the battery cell with standard data to detect lithium plating in the battery cell, thereby providing high stability and reliability.

Device and method for inspecting lithium precipitation in battery cell

A method for manufacturing an electrode assembly according to an embodiment of the present invention may include applying a positive electrode active material to at least a portion of a positive electrode collector, applying a negative electrode active material to at least a portion of a negative electrode collector, The method may include interposing a separator between a positive electrode and a negative electrode, and respectively removing a positive electrode insulating layer and a negative electrode insulating layer from at least partial areas of a positive electrode tab, which is not coated with the positive electrode active material, and an negative electrode tab, which is not coated with the negative electrode active material in the negative electrode collector. The method may include connecting a positive electrode lead and a negative electrode lead to the positive electrode tab and the negative electrode tab, respectively.

Electrode assembly and method for manufacturing the same

A pouch for a secondary battery according to an embodiment of the present invention for solving the above problem includes: a surface protection layer made of a first polymer and formed at the outermost layer; a sealant layer made of a second polymer and formed at the innermost layer; a gas barrier layer made of a metal and stacked between the surface protection layer and the sealant layer; and a heat dissipation layer made of ceramic, stacked between the surface protection layer and the sealant layer, and configured to release heat to the outside of the pouch when a predetermined pressure is applied thereto.

Pouch for secondary battery and pouch type secondary battery

An electrode includes: an active material coating portion coated with an electrode active material on at least one surface of an electrode collector; an active material non-coating portion which is formed on one side of the active material coating portion and is not coated with the electrode active material; and an electrode coating portion which is coated between the active material coating portion and the active material non-coating portion and contains a flame retardant.

Electrode and electrode assembly

The present invention relates to a method of manufacturing a separator-composite electrode having a multilayer-structured inorganic layer and a separator-composite electrode manufactured thereby. The present invention provides a method of manufacturing a separator-composite electrode and a separator-composite electrode using the same, wherein there is no separator substrate by forming an inorganic layer serving as an insulating layer in multiple layers, thereby safety is improved and the capacity of a battery is not reduced compared to a conventional battery.

Method of manufacturing separator-composite electrode comprising multilayer-structured inorganic layer and separator-composite electrode manufactured thereby

The present invention relates to an extinguishing composition and comprises an extinguishing material and a capsule containing the extinguishing material, and the extinguishing material comprises calcium bromide (CaBr2).

Extinguishing composition, method for preparing the same, secondary battery and battery pack

A pouch-type secondary battery includes: an electrode assembly in which a positive electrode, a separator, and a negative electrode are laminated; and a pouch configured to accommodate the electrode assembly, wherein the pouch includes: a surface protection layer made of a first polymer and formed at an outermost layer; a sealant layer made of a second polymer and formed at an innermost layer; a gas barrier layer made of a first metal and laminated between the surface protection layer and the sealant layer; and a metal foil layer made of a second metal, laminated between the surface protection layer and the sealant layer, and connected to the negative electrode of the electrode assembly.

Pouch-type secondary battery and pouch for secondary battery

A pouch-type battery cell includes a battery case including a metal layer and polymer resin layer, and an electrode assembly disposed within the battery case, the battery case further including an electrode assembly receiving part formed in at least one of an upper case and a lower case of the battery case, and a venting member disposed on an outer surface of the electrode assembly receiving part at a location adjacent to a sealing part of the battery case, wherein the venting member is made of a shape memory alloy that is deformed to penetrate the battery case when a temperature of the venting member increases to a value above a transition temperature of the shape memory alloy. A battery module including the pouch-type battery cell, and a battery pack are also provided.

Pouch-type battery cell including venting member and battery pack including the same

A fixing device for a secondary battery test having a seating stage on which the secondary battery to be tested is seated and which is provided as a magnetic body, a cover provided as a magnetic body to cover the secondary battery, and a magnetic force generator providing magnetic force to the seating stage and the cover is provided. When the magnetic force is transmitted from the magnetic force generator to the seating stage and the cover, attractive magnetic force is generated between the cover and the seating stage to fix the secondary battery disposed between the cover and the seating stage without moving.

Fixing device for secondary battery test

The present invention relates to a safety test apparatus of a battery cell. The safety test apparatus of the battery cell comprises: a jig on which the battery cell is disposed on a top surface thereof; and an impact member comprising an impact rod supported on the top surface of the battery cell and a striking weight disposed above the jig to freely drop toward the jig and strike the impact rod so that an impact is applied to the battery cell, wherein the striking weight is provided in a pair and comprises left and right striking parts that respectively strike two striking points, which are spaced apart from each other, of the impact rod and a connection part connecting the left and right striking parts to each other.

Safety test apparatus of battery cell

Provided is a battery pack. The battery pack includes a battery module including first and second battery cells that are disposed adjacent to each other, wherein first and second electrode terminals are disposed on each of the first and second electrode terminals, a fuse part including a first fuse connecting the second electrode terminal of the first battery cell to the first electrode terminal of the second battery cell, and a switching device including a first switch disposed outside a top surface of the first battery cell of the battery module and connected to the first fuse and a second switch disposed below the first switch and connected to the second electrode terminal of the second battery cell.

Battery pack

The present invention relates to a battery module, which includes one or more battery cell units, and the battery cell unit includes a battery cell, a fixing member located surrounding an outer circumference surface of the battery cell, and a heat absorbing material located between the battery cell and the fixing member, and as a result, heat generation inside the battery module is suppressed, and ignition between the series-connected battery cell units may be suppressed. Accordingly, excellent charge and discharge efficiency, an excellent cycle property and a lifespan property of the battery may be exhibited without concern for explosion or ignition of the battery module.

Growing community of inventors

Daejeon, South Korea

Bum Young Jung