LG Energy Solution Patente

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A battery pack according to the present disclosure may include: a pack case having a storage space configured to store a plurality of battery cells therein and an opening formed on one side; a pack lid configured to cover the opening; a partition frame coupled to the pack case so as to partition the storage space; a first fastening member having at least a portion passing through the pack lid, and coupled to the partition frame; and a second fastening member fixed to the partition frame and configured to be fastened with the first fastening member, wherein the second fastening member may have at least one reinforcement member protruding in a direction different from a penetration direction of the first fastening member and causing the second fastening member to be caught on the partition frame, and may have at least a portion configured as a material whose properties change in a predetermined high-temperature environment to weaken bonding strength between the first fastening member and the partition frame.

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Disclosed herein relates to a slot die alignment device including: at least one position control unit that is coupled to a slot die to adjust the position of a shim plate and to measure the position of the shim plate, wherein the position control unit includes: a jig configured to be detachable at the front end of a slot die; and a control unit that is coupled to the jig to allow sliding on the jig.

Disclosed is a battery pack and a vehicle including the same. The battery pack includes a plurality of battery cell; a frame configured to accommodate the plurality of battery cells and having at least one inlet for introducing a cooling medium and at least one outlet for discharging the cooling medium; a pack case configured to accommodate the frame and configured to allow the cooling medium to move; and a partition member installed inside the pack case and configured to partition a portion where the inlet is located and a portion where the outlet is located, the partition member having at least one movement hole through which the cooling medium moves.

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The present disclosure relates to a battery module stored in a pack case, and the battery module may include: a plurality of battery cells; and a module case configured to store the plurality of battery cells in an inner space and having a protrusion protruding outward toward an inner surface of the pack case.

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Embodiments of the present disclosure provide a die coater. The die coater includes a first die including a land portion and a manifold having a certain depth from the land portion and configured to accommodate an electrode slurry, a body shim coupled to the first die and including a body extending in a first direction and wings protruding in a second direction, which is perpendicular to the first direction, from an end portion of the body in the first direction, a spacer shim coupled to the first die and partially covering the manifold, and a shim fixing pin configured to fix the spacer shim to the land portion of the first die, the spacer shim includes a slot into which the shim fixing pin is inserted, and the shim fixing pin includes a shank portion and a flange connected to the shank portion and is configured to be rotated with respect to the spacer shim with the shank portion as an axis.

A die coater includes a first die including a land portion and a manifold, the manifold having a predetermined depth from the land portion and configured to accommodate an electrode slurry. The die coater further includes a body shim coupled to the first die, wherein the body shim includes wings and a body arranged between and connected to the wings, the wings protruding from the body in a first direction and the body extends in a second direction perpendicular to the first direction. The die coater further includes a first spacer shim coupled to the first die, the first spacer shim overlapping the manifold, wherein the first spacer shim includes first and second sidewalls defining an insulating flow path extending in the first direction, and the width of the insulating flow path in the second direction is variable.

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A battery pack according to the present disclosure may include: a pack case having a storage space formed therein to store a plurality of battery cells, and an opening formed on one side; a pack lid configured to cover the opening; a partition frame coupled to the pack case so as to partition the storage space; a bolt having at least a portion passing through the pack lid and coupled to the partition frame; an insertion hole formed to be recessed in the partition frame; and a nut configured to be press-inserted into the insertion hole and to engage with the bolt, wherein at least a portion of the nut may be configured as a deformable portion of a material that is deformable by a compressive force and whose physical properties change in a predetermined high-temperature environment to degrade bonding strength between the bolt and the partition frame.

Provided are a state of charge (SOC) determination method and an SOC determination apparatus for a battery bank. The SOC determination method according to the present disclosure includes determining a first SOC to be equal to an average SOC of a plurality of battery groups. When the first SOC is different from a reference SOC or is outside of a reference SOC range, the SOC determination method further includes determining a second SOC to be equal to a maximum SOC or a minimum SOC of the plurality of battery groups, and determining an SOC of the battery bank by applying a weighted sum operation to the first SOC and the second SOC.

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A battery pack according to the present disclosure may include: a pack case having a storage space configured to store a plurality of battery cells therein and an opening formed on one side; a pack lid configured to cover the opening; a partition frame coupled to the pack case so as to partition the storage space; and a bolt member having at least a portion configured to pass through the pack lid and to be coupled to the partition frame, and a first thread portion disposed at an end close to the partition frame, wherein the first thread portion may include a high-temperature-sensitive material whose physical properties change in a predetermined high-temperature environment so that bonding strength between the bolt member and the partition frame is weakened.