LG Energy Solution

Disclosed is a height adjustment jig for cylindrical battery cells, the height adjustment jig including a support unit having a cylindrical mounting portion formed in the center thereof and a pressing unit configured to press a cylindrical battery cell received in the mounting portion, wherein the support unit includes a lower portion of the support unit having an inner diameter corresponding to the outer diameter of the cylindrical battery cell, an upper portion of the support unit having an inner diameter greater than the inner diameter of the lower portion of the support unit, and a stepped portion located between the lower portion of the support unit and the upper portion of the support unit, and the support unit is configured in a structure in which a plurality of units, such as four or more even-numbered units, is coupled to each other.

A battery cell according to an aspect of the present disclosure includes a battery case, an electrode assembly accommodated in the battery case, and an insulator interposed between the electrode assembly and one bottom surface of the battery case, the insulator having a shape in which the area in contact with the electrode assembly and the bottom surface of the battery case is smaller than the area in contact with the electrode assembly.

The inventive concept of the present disclosure provides a learning system for secondary battery manufacturing, including: a simulation device configured to construct a virtual factory in which a plurality of manufacturing equipment configured to perform secondary battery manufacturing processes are disposed, and to output the virtual factory to a display device; and an input device configured to transmit a user input signal generated based on an input of a user to the simulation device, wherein the simulation device is configured to change a position of the virtual factory displayed on the display device in accordance with the user input signal, and to output, to the display device, content associated with a manufacturing equipment selected by the user input signal from among the plurality of manufacturing equipment.

A battery pack according to an embodiment of the disclosure includes a battery cell assembly and a pack case accommodating the battery cell assembly. The pack case is made by coupling a plurality of parts with a cooling flow path formed inside and includes a bottom cover facing a lower surface of the battery cell assembly. (Representative figure: FIG. 4)

Disclosed is a height adjustment jig for cylindrical battery cells, the height adjustment jig including a support unit having a cylindrical mounting portion formed in the center thereof and a pressing unit configured to press a cylindrical battery cell received in the mounting portion, wherein the support unit includes a lower portion of the support unit having an inner diameter corresponding to the outer diameter of the cylindrical battery cell, an upper portion of the support unit having an inner diameter greater than the inner diameter of the lower portion of the support unit, and a stepped portion located between the lower portion of the support unit and the upper portion of the support unit, and the support unit is configured in a structure in which a plurality of units, such as three or more odd-numbered units, is coupled to each other.

The present disclosure relates to a battery module and battery pack capable of preventing tab disconnection due to swelling of a battery cell, and a vehicle including the same. A battery module and battery pack including a cell assembly configured such that a plurality of battery cells including electrode leads are stacked, wherein the cell assembly includes a plurality of bent portions formed to be bent at predetermined radii on at least one of a plurality of electrode leads arranged along a stacking direction of the plurality of battery cells, and a vehicle including the same are provided.

A device for automatically coupling high-voltage (HV) and low-voltage (LV) connectors of a battery pack is provided. A connector coupling device for the battery pack includes a cylinder configured to move a connector toward a connector housing provided on the battery pack, an XY stage connected to the cylinder and configured to insert the connector into the connector housing, and a correction unit connected to the XY stage and configured to correct a position of the connector inserted into the connector housing.

Disclosed are a pouch-shaped secondary battery degassing apparatus for removing gas from a pouch-shaped secondary battery including a first pocket portion configured to receive an electrode assembly and a second pocket portion configured to capture gas, the pouch-shaped secondary battery degassing apparatus including a first jig unit located at one surface of the second pocket portion, the first jig unit being configured to take in gas captured in the second pocket portion, and a second jig unit located at the other surface of the second pocket portion, the second jig unit being configured to take in the gas captured in the second pocket portion, wherein the first jig unit includes a first support plate, a first intake portion, and a first suction portion, and the first support plate is formed such that a region thereof where the first intake portion is located protrudes farther toward the one surface of the second pocket portion than a region thereof where the first suction portion is located, and a pouch-shaped secondary battery degassing method using the same.

According to exemplary embodiments, a battery pack is provided. The battery pack may include a pack housing including a bottom portion; first and second battery cell assemblies on the bottom portion; and a flame cover on the first and second battery cell assemblies. Each of the first and second battery cell assemblies may include a plurality of battery cells arranged in a first direction parallel to the bottom portion. The flame cover may include a plate and a fire-resistant film on the plate. The plate may include a first plate portion overlapping the first battery cell assembly in the vertical direction and including a plurality of first venting holes; a second plate portion overlapping the second battery cell assembly in the vertical direction and including a plurality of second venting holes; and bridges connecting the first plate portion and the second plate portion. The fire-resistant film may overlap each of the plurality of first venting holes and the plurality of second venting holes in the vertical direction.

The technical concept of the present disclosure provides a battery pack including: a pack housing; a cell assembly including a frame provided on the pack housing and battery cells accommodated in the frame; a mounting block provided between the frame and the pack housing; and a first bolt fastening the frame to the mounting block and spaced apart from the pack housing, wherein the mounting block includes an insulation layer provided at a portion in contact with the frame and a portion in contact with the pack housing.