LG Energy Solution Patente

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According to exemplary embodiments, a secondary battery manufacturing system is provided. The system comprises: a data matrix reader configured to read a data matrix of a cell case, configured to capture an unrecognized image including the data matrix having failed to be read, and configured to match the unrecognized image with a virtual CAN ID; a first server configured to store the unrecognized image transmitted from the data matrix reader, and a second server configured to determine a feature interfering with the reading of the data matrix on the basis of the unrecognized image transmitted from the first server.

The present invention may provide an apparatus for manufacturing an electrode, the apparatus comprising: a sheet supply unit for supplying a lithium metal sheet; an ultrasonic cutting unit that repeatedly approaches the supplied lithium metal sheet to cut the lithium metal sheet; and a blade that is provided in the cutting unit and forms a cutting line on the lithium metal sheet, wherein the cutting line (CL) is formed inside an outer boundary (OL) of the supplied lithium metal sheet.

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A battery diagnosing method according to one aspect of the present disclosure includes a sampling step of sampling an OCV value of a target battery within a partial SOC range among an entire SOC range of the target battery; a generation step of generating an estimated profile, which estimates OCV values of the target battery corresponding to the entire SOC range based on the OCV values sampled within the partial SOC range; and a diagnosis step of diagnosing the target battery based on the estimated profile.

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A battery activation process facility according to the present disclosure includes a plurality of charging and discharging devices for charging and discharging battery cells; a container rack configured to load the plurality of charging and discharging devices in multiple stages; a catwalk installed at an uppermost end of the container rack as a passage for workers to pass through; a bus duct positioned at a certain height from the uppermost end of the container rack; and a duct support unit mounted on the container rack or the catwalk and supporting the bus duct.

A rotary can beading apparatus is provided. A spindle of the rotary can beading apparatus comprises: a case having a first hollow part extending in an axial direction; a housing accommodated in the first hollow part to be rotatable with respect to the case and having a second hollow part having a smaller diameter than the case and extending in the axial direction; a shaft which extends in the axial direction while crossing the second hollow part to be slidably movable with respect to the housing in the axial direction, and the axial end of which is connected to a head; and a pair of sleeves inserted into one end and the other end in the axial direction of the second hollow part, respectively, and connected to the housing so that rotation thereof is restricted. The shaft is inserted into the pair of sleeves so that the shaft can slide in the axial direction and relative rotation thereof is restricted.

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The present disclosure relates to an electrode assembly, a secondary battery, and a battery unit, and more specifically, to an electrode assembly, a secondary battery, and a battery unit capable of efficient heat exchange. An electrode assembly according to an embodiment of the present disclosure may include a plurality of electrodes, a separator interposed between the plurality of electrodes, and a plurality of protrusions protruding to one side from the plurality of electrodes, wherein the plurality of protrusions may be at least partially non-overlapping with each other in a thickness direction of the plurality of electrodes, wherein a protrusion of the plurality of protrusions may include a first part extending along a longitudinal direction of the plurality of electrodes, and a second part connecting an electrode of the plurality of electrodes and the first part, and the width of the second part may be formed narrower than the width of the first part.

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The present disclosure relates to a battery module including: a cell assembly including a plurality of battery cells; a module terminal configured to be electrically connected to the plurality of battery cells; a module case configured to receive the cell assembly, and having the module terminal provided on one side and a first venting hole formed on the other side to discharge gas generated from the battery cell to the outside; and a block member configured to guide the gas to the first venting hole.

A battery diagnosis method according to the present disclosure includes a first generation step of generating a second profile by dividing a first profile representing a correlation between a State of Charge (SOC) and a voltage of a battery into a first portion corresponding to a first material and a second portion corresponding to a second material and removing the first portion from the first profile; a second generation step of generating a third profile by estimating a correlation between the SOC and voltage of the battery in an entire SOC range of the battery based on the second profile; and a diagnosis step of diagnosing the battery based on a calculated capacity, wherein the capacity is provided by the first material, among a total capacity provided by an electrode active material based on the third profile.

The apparatus for diagnosing a battery according to an embodiment of the present disclosure includes a profile obtaining unit configured to obtain a battery profile representing a corresponding relationship between voltage and capacity of a battery; a profile adjusting unit configured to adjust a preset first reference profile and a preset second reference profile to correspond to the battery profile and generate a first profile according to the adjustment result; and a control unit configured to diagnose a state of the battery based on a first feature value for a first feature point included in the first profile.

Disclosed is a battery module, and a battery pack and a vehicle including the same. The battery module includes a plurality of cylindrical battery cells; a heatsink configured to contact the plurality of cylindrical battery cells to cool the plurality of cylindrical battery cells; and a cell cover configured to cover the plurality of cylindrical battery cells, wherein a first battery cell among the plurality of cylindrical battery cells contacts a first surface of the heatsink, and a second battery cell among the plurality of cylindrical battery cells contacts a second surface of the heatsink, which is opposite to the first surface.

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