LG Energy Solution

Disclosed herein is a secondary battery capable of stably connecting thin-film tabs to a current collector as the number of electrode assemblies increases. The secondary battery includes a casing, a plurality of electrode assemblies, electrode tab bundles formed on the electrodes of the plurality of electrode assemblies, respectively, a current collector coupled to the electrode tab bundles of the plurality of electrode assemblies, and a cap. The current collector includes a connecting portion on which a connection terminal connected to the external terminal is positioned, and a plurality of branches extending from the connecting portion , the electrode tab bundles being coupled thereto.

Disclosed is a battery manufacturing system, comprising a processing device configured to process a battery material that is provided as a continuous material, wherein the processing device is configured to process the battery material in successive segments by processing one segment of the battery material at a time before processing a subsequent segment, a transport device configured to advance the battery material in a stepwise manner in a transport direction, alternating between an advancing phase and a resting phase, the resting phase being synchronized with processing of a segment by the processing device, and a sensor device configured to detect a marking object on the battery material in a sensing area, wherein the sensor device is arranged so that the sensing area is located upstream of the processing device in the transport direction and aligned with a boundary between two successive segments of the battery material when the transport device is in the resting phase.

A sealing block configured to seal a lead film covering a lead metal and a pouch covering the lead film. The sealing block includes a first sealing surface extending in a length direction and is configured to apply pressure in a height direction perpendicular to the length direction. The first sealing surface includes a center sealing surface extending in the length direction; and a side sealing surface located at each end of the center sealing surface in the length direction. The side sealing surface is stepped in the height direction with respect to the center sealing surface, and the side sealing surface has a sealing protrusion that protrudes in the height direction to a predetermined distance from the side sealing surface.

Disclosed are a top cap welding apparatus for cylindrical battery cells, the top cap welding apparatus including a transfer unit configured to transfer a cylindrical battery case in which an electrode assembly having an outwardly exposed electrode tab is received, a pressing unit located in front of the battery case, the pressing unit being configured to press the battery case, a support unit located at the rear of the battery case, the support unit being configured to support the battery case, a top cap holder configured to locate a top cap at the rear of the electrode tab, a top cap support unit configured to support the rear of the top cap, and a welding unit configured to weld the electrode tab and the top cap to each other, wherein the welding unit includes a welding mask unit configured to bring the electrode tab into tight contact with the top cap, the welding mask unit having an inner space, and a debris removal unit including a shield gas injection unit configured to inject inert gas toward the inner space.

In one aspect, a computer-implemented method may include receiving, at edge processing devices, measurements from sensors associated with a battery pack. The computer-implemented method may include processing, at the edge processing devices, the measurements using a data profiler to generate data profiles including e voltage values, transforming, at the edge processing devices, the voltage values to generate transformed voltage values, determining, at the edge processing devices using the voltage values and the transformed voltage values, features, and determining, using trained edge computer-implemented models, a lithium plating occurrence prediction of the battery pack. The computer-implemented method may include modifying, using the lithium plating occurrence prediction, operation of the battery pack.

Disclosed is an apparatus, a battery manufacturing system, a battery manufacturing method and a battery product. The apparatus comprises a receptacle configured to receive a battery material and a gas withdrawal system configured to withdraw a gas from the battery material.

Disclosed is a conveyor apparatus including a conveyor belt configured to allow an object to be conveyed to be seated thereon, a frame part having an inner space in which a part of the conveyor belt is received, a driving part configured to drive the conveyor belt to one side or the other side, a roller part configured to guide the conveyance of the conveyor belt, a tension adjustment part configured to adjust tension of the conveyor belt in contact with a part of the conveyor belt, and a foreign matter removal part configured to remove foreign matter from the conveyor belt and/or the inner space of the frame part, wherein the tension adjustment part includes a tension roller configured to provide pressure to the conveyor belt in contact with the conveyor belt, a cylinder part coupled to the tension roller, the cylinder part being configured to provide a forward or backward driving force to the tension roller, and a sensor unit configured to detect the amount of tension applied to the conveyor belt.

Disclosed herein is an isotope battery (1, 1a, 1b, 1c, 1d) and its fabrication method. The isotope battery (1, 1a, 1b, 1c, 1d) comprises a first conductivity type semiconductor layer (110a), a radiation source (130) provided on a first side surface of the first conductivity type semiconductor layer (110a) and having at least partially a droplet shape, and a second conductivity type semiconductor layer (120a) facing the first side surface of the first conductivity type semiconductor layer (110a) with the radiation source (130) in-between. The isotope battery (1, 1a, 1b, 1c, 1d) of the present disclosure and its fabrication method may be mass-produced by a simple process without wasting expensive materials.

A battery pack according to an embodiment of the present disclosure includes: a pack case having a vent hole formed therein; a filtering path communicating with the vent hole and configured to guide gas, the filtering path having a filter unit for capturing solid particles generated during thermal propagation; and a cooling path for cooling the gas and the solid particles.

The present disclosure relates to a battery cell and a manufacturing method thereof. The battery cell according to one embodiment of the present disclosure includes an electrode assembly including a cathode, an anode and a separator; and a battery case including a sealing portion that houses the electrode assembly and seals an outer periphery of the electrode assembly, wherein the sealing portion includes a first area, and a second area excluding the first area, and wherein the first area is an area where the crystallinity of the battery case is higher than that of the second area.