LG Energy Solution Patente

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According to an embodiment disclosed herein, a communication control device may include a main control unit, an auxiliary control unit, and an end device, and the auxiliary control unit may determine, when receiving data from the main control unit or the end device, a target communication unit among the plurality of communication units based on at least one of a characteristic, a kind, a type, a source, or a destination of the data, or any combination thereof and transmit the data to the destination through the target communication unit.

The present disclosure relates to an electrode lead assembly, a method for manufacturing an electrode lead assembly, a secondary battery, and a method for manufacturing a secondary battery, and more specifically, to a secondary battery in which a foam member having heat-induced foaming properties is provided in a fluid flow path, and a method for manufacturing such a secondary battery. An electrode lead assembly according to an embodiment of the present disclosure may include an electrode lead; a lead film made of an insulating material and bonded to a portion of the electrode lead; and a foam member having heat-induced foaming properties, wherein a fluid flow path through which a fluid flows may be formed between the electrode lead and the lead film, and the foam member may be provided in the fluid flow path.

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According to one embodiment of the present disclosure, provided is a device for cleaning an electrode rolling roll, comprising: a cleaning member provided so as to allow a surface of the electrode rolling roll to come into contact with a cleaning cloth, a spray nozzle that sprays a cleaning liquid onto the cleaning cloth, a control unit that adjusts the sprayed amount of the cleaning liquid, and a monitoring unit that monitors the sprayed amount of the cleaning liquid, wherein the cleaning liquid is a distilled water, and wherein the control unit adjusts the amount of the cleaning liquid sprayed once by the spray nozzle so as to be within a range of 0.05 ml to 0.2 ml.

Disclosed herein relates to a battery device including: a plurality of cell assemblies each comprising a plurality of battery cells; a housing including a base frame supporting the plurality of cell assemblies and a side frame surrounding the plurality of cell assemblies; and a first endothermic structure connected to the base frame so as to be overlapping vertically with the plurality of cell assemblies and including a phase change material.

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A battery pack according to the present disclosure may include: a plurality of cell array structures including a plurality of battery cells; a pack case including a bottom member disposed on one side of the plurality of cell array structures, and having a first storage space where the plurality of cell array structures are stored and a second storage space where the cell array structure is not stored, which are formed on the bottom member; and a plurality of venting spaces formed on the bottom member so as to correspond one-to-one with the plurality of cell array structures, wherein a close-contact area is provided on a periphery of the venting space on the bottom member such that the cell array structures is in close contact therewith, and wherein the plurality of venting spaces are isolated from each other in the first storage space, and are isolated from the second storage space.

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The present disclosure relates to a battery module and a battery pack, and more specifically, to a battery module in which a plurality of battery cells capable of being charged and discharged are accommodated in a housing, and a battery pack including a plurality of such battery modules. A battery module according to an embodiment of the present disclosure may include a battery cell group composed of a plurality of battery cells; a housing accommodating the battery cell group; and a sheet-like member attached to the battery cell group, wherein the housing may have a protrusion that forms a receiving space for accommodating a resin, and the battery cell group may be supported by the protrusion. Here, the sheet-like member attached to the battery cell group may contact the upper surface of the protrusion.

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A diagnostic system according to one embodiment of the present invention may comprise: a first device for training a machine learning-based diagnostic model by using a training image; and a second device for determining whether an object to be diagnosed is defective by using the diagnostic model provided from the first device and an inference image of the object to be diagnosed. Here, the second device may determine whether the inference image is a retraining target on the basis of whether a predefined condition is satisfied, and the first device may store, in a predefined storage space, the original of the inference image determined as the retraining target by the second device.

A heating device of the present invention includes: a heating unit spaced a set distance from a stack in which electrodes and separators are alternately disposed and configured to heat the stack through a heat source so as to define a first area having adhesive strength; and a cover unit configured to block a portion of the heat source of the heating unit directed toward the stack so as to define a second area having no adhesive strength to the stack or having adhesive strength less than that of the first area.

The present disclosure provides a battery including: a battery housing having a side wall, a bottom portion connected to one axial end of the side wall, and an open end provided at the other axial end of the side wall; an electrode assembly having a first electrode, a second electrode, and a separator interposed therebetween, which are wound around a winding axis, and accommodated inside the battery housing so that a tab of the second electrode is directed to the open end; and a lid configured to cover the open end and coupled to the battery housing, wherein an abutment portion is formed on a portion of an inner surface of the other axial end of the side wall, and wherein an outer circumferential surface of the lid and the abutment portion are coupled to each other.

Disclosed herein is an automatic pressure adjustment pressing jig that includes a reaction plate and a driving plate facing each other, and a plurality of pressing plates arranged to enable linear movement between the reaction plate and the driving plate, and pouch batteries inserted between the pressing plates are pressurized by a pressure applied as the driving plate moves toward the reaction plate, and the driving plate retracts in predetermined units by a torque-responsive adjustment device that automatically attenuates increased torque in response to a torque increase corresponding to increased pressure caused by expansion of the pressurized pouch batteries.

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A battery charging apparatus according to the present disclosure includes a current supply circuit configured to supply charging current through a plurality of conducting wires that each corresponds to respective one of the plurality of batteries; and a charging jig configured to support the plurality of batteries and provide the charging current supplied through the plurality of conducting wires to the plurality of batteries, wherein the charging jig includes a plurality of connection pins electrically connecting the plurality of conducting wires to the first electrode terminals of the plurality of batteries; a conductive plate that is in common contact with the second electrode terminals of the plurality of batteries to allow the second electrode terminals to have the same potential; and a cooling structure having a cooling channel through which a cooling material moves and configured to cool the conductive plate.

An apparatus for manufacturing a battery cell according to an embodiment of the present disclosure includes a vacuum chamber in which a semi-finished battery cell is placed, the semi-finished battery cell including an accommodation portion accommodating an electrolyte solution and an electrode assembly, and a gas pocket portion connected to the accommodation portion and located higher than the accommodation portion; a piercing unit configured to form a degassing hole in the gas pocket portion by piercing; a sealing tool configured to form a temporary sealing portion across between the degassing hole and the accommodation portion, and form a sealing area including the temporary sealing portion while the sealing tool moves up in a state of being in contact with the gas pocket portion; a cutting unit configured to cut off a portion of an upper part of the gas pocket portion to form an opening after the temporary sealing portion is formed; and a spray unit configured to spray gas into the opening.

A battery image analysis device according to an embodiment disclosed herein may include an acquisition unit configured to acquire a first image of a battery including an electrode assembly and a case protecting the electrode assembly, a target extraction unit configured to extract a target image corresponding to a target component among components of the battery included in the first image based on pixel values of a plurality of pixels included in the first image, a centerline extraction unit configured to extract a centerline of the target component included in the target image, and a calculation unit configured to extract coordinate data of each of the centerline and the case, and calculate a proportion of the case occupied by the electrode assembly based on the coordinate data of the centerline and the coordinate data of the case.

Disclosed is a battery pack. The battery pack includes a case providing an inner space and having a base plate; a battery module installed on the base plate and including a rear end cover having a venting hole; a first venting channel configured to cover the rear end cover and having a first inlet hole in communication with the venting hole and a first outlet hole; and a second venting channel configured to cover one side of the battery module, coupled to the first venting channel, and having a second inlet hole in communication with the first outlet hole and a second outlet hole.

The present invention relates to a positive electrode active material comprising a lithium nickel-based oxide, and a coating layer formed on the lithium nickel-based oxide and comprising a compound represented by [Formula 2] below, and a method for preparing the same. [Formula 2] Li_xMn_yM⁴_zO_wIn [Formula 2], M⁴ is Al or Mo, x is an integer from 2 to 8, y is an integer from 2 to 8, z is an integer from 1 to 12, and w is an integer from 8 to 48.

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According to an embodiment of the present disclosure, provided is an electrode mixer cleaning system, comprising:a storage tank that stores a solvent;a flow meter that measures the solvent;a pressure tank that stores the measured solvent;a mixer that mixes an electrode material and a solvent;a first pump that sends only the amount of the solvent measured by the flow meter to the pressure tank through a first pipe;a second pump that sends the solvent from the pressure tank to the mixer through a second pipe under the condition that the pressure is increased; anda high pressure spray nozzle (HPSN) that is disposed in the mixer and introduces the solvent into the mixer.