Lg Chem, Ltd

Lg Energy Solution, Ltd.

Lg Hausys, Ltd.

Hyun-Young Cho

Bo-Hyon Kim

Jae-Hyun Seo

Young-Sop Eom

Nam-In Kim

Yong-Seok Choi

Yong-Il Kim

Hee-June Kim

Jong-Soo Ha

Yun-Ki Choi

Jung-Been You

Jung-Hang Lee

Myung-Chul Park

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 modules includes a battery cell assembly including at least one battery cell, and at least one cooling fin configured to contact the at least one battery cell and to be exposed on opposite side parts of the battery cell assembly and a side part perpendicular to the opposite side parts, a first end plate including at least one first insulating member mounted contacting the at least one cooling fin exposed on the opposite side parts of the battery cell assembly, and configured to support the opposite side parts of the battery cell assembly, a second end plate coupled to the first end plate, and configured to support the side part of the battery cell assembly, a cooling plate between the second end plate and the battery cell assembly, and at least one second insulating member arranged between the cooling plate and the at least one cooling fin.

Battery module, battery pack comprising battery module, and vehicle comprising battery pack

A battery module is provided. A battery module according to an embodiment of the present disclosure includes a cartridge assembly including a plurality of cartridges, each cartridge accommodating a battery cell, a casing including an opening formed therein and accommodating the cartridge assembly through the opening and surrounding the cartridge assembly, and a cover coupled to the opening of the casing, in which the cover includes a pressurizing portion pressurizing the battery cell when the battery cell swells.

Battery module and battery pack comprising same

The present disclosure relates to a battery module including a cartridge stack including a plurality of secondary batteries which each include an electrode lead and a plurality of cartridges which each accommodate at least one of the plurality of secondary batteries such that at least a portion of the electrode lead protrudes outwardly, and which are stacked in a plurality of stages, and an ICB housing which includes a stepped connection end, a power terminal installed fixedly to the connection end, and a bus bar electrically connecting the electrode lead with the power terminal, and which is mounted on a surface of the cartridge stack, in which the bus bar includes a first connection part which is provided in opposition to the power terminal, having the connection end therebetween, and is connected with the electrode lead, a second connection part which is provided in opposition to the first connection part, having the connection end therebetween, and is connected with the power terminal, and a connection part which connects the first connection part with the second connection part and is embedded in the connection end.

Battery module and battery pack including same

Disclosed is a battery module, including a cartridge laminate including a plurality of secondary batteries, each having an electrode lead, and a plurality of cartridges configured to respectively accommodate at least one secondary battery among the secondary batteries and stacked at multi stages; an integrated circuit board (ICB) housing having a bus bar connected to the electrode lead at a predetermined connection point and coupled to one surface of the cartridge laminate; and a sensing unit having a connection wire disposed to pass through the ICB housing and connected to the bus bar to allow voltages of the secondary batteries to be sensed, wherein the ICB housing further includes a wire fixing unit having a wire fixing recess formed by indenting an outer surface of the ICB housing toward an inner surface of the ICB housing to be located near the inner surface of the ICB housing in comparison to the connection point, and at least a part of the connection wire is inserted into and fixed in the wire fixing recess.

Battery module and battery pack including the same

A battery module is provided. A battery module according to an embodiment of the present disclosure includes a cartridge assembly including a plurality of cartridges, each cartridge accommodating a battery cell, a casing including an opening formed therein and accommodating the cartridge assembly through the opening and surrounding the cartridge assembly, and a cover coupled to the opening of the casing.

Battery module, battery pack including same, and method for manufacturing casing for battery module

Provided is a battery module. The battery module according to an embodiment of the present disclosure may include: a cartridge assembly including a plurality of cartridges configured to receive battery cells; a substrate protecting body combined to the cartridge assembly; a casing configured to receive the cartridge assembly and the substrate protecting body and surround the cartridge assembly and the substrate protecting body; and a cover capable of being combined to the casing.

Provided is a battery module. The battery module according to an embodiment of the present disclosure may include: a cartridge assembly including a plurality of cartridges receiving battery cells; a substrate protecting body combined to the cartridge assembly; a casing receiving the cartridge assembly and the substrate protecting body and surrounding the cartridge assembly and the substrate protecting body; and a cover combined to the casing, wherein the substrate protecting body includes a interval retaining unit so that a main body of the substrate protecting body is separated from the casing at a predetermined interval.

A battery module including an array of cooling fins having different thicknesses is provided. The battery module includes: a plurality of battery units arranged in one direction; a plurality of cooling fins between adjacent battery units; and a heat sink coupled to ends of the plurality of cooling fins, wherein each cooling fin has a structure in which a pair of sub-cooling fins are face-to-face coupled to each other, and thicknesses of the plurality of cooling fins are reduced toward the side region from the central region due to a difference in a thickness of at least one of the pair of sub-cooling fins. Since heat is not accumulated at the central region, the battery module has uniform temperature distribution while being charged or discharged.

Battery module including array of cooling fins having different thicknesses

A cartridge for a secondary battery, according to an aspect of the present disclosure, includes a lower cartridge and an upper cartridge capable of being assembled with each other with at least one secondary battery therebetween. The lower cartridge includes a cell guide unit having two inner wall surfaces that protrude upward in at least one corner area of the lower cartridge from other areas and are adjacent to each other at right angles to each other, and the upper cartridge includes a cell guide assembly unit having a shape lit for the cell guide unit.

Cartridge for secondary battery

Disclosed is a method for manufacturing a high-strength composite sheet, in which a peroxide-containing polymer film is used to allow uniform molecular weight distribution and improved embeddability. The method includes: attaching a peroxide-containing polymer film to one or both sides of a reinforcement material; pressing the peroxide-containing polymer film using a heating press such that the peroxide-containing polymer film is embedded into the reinforcement material, to thereby form a composite film; and cooling the pressed composite film using a cooling press.

Apparatus for manufacturing a high-strength composite sheet having superior embeddability, and method for manufacturing a high-strength composite sheet using the same

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Daejeon, South Korea

Hyun-Young Cho