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1603
results.
Updated on
09/11/2025 [07:15:00]
Results 600 to 625 of 1603
Absstract of: MX2025011484A
The present invention provides an electrode assembly, a cylindrical battery, a battery pack and a vehicle. The electrode assembly comprises: a first electrode and a second electrode that are wound around one axis so as to define a core and an outer circumferential surface; and a separator interposed therebetween. The first electrode and/or the second electrode includes an uncoated portion extending in a winding direction along a long side end portion thereof. The uncoated portion includes a plurality of segment pieces that are separated by a cut groove formed in the winding direction and are independently bendable. The plurality of segment pieces are bent toward the core so as to form a bent surface area at one end of the electrode assembly. At least some of the plurality of segment pieces include a folded end portion.
Absstract of: MX2025011483A
A battery cell according to an embodiment of the present invention comprises: an electrode assembly in which a first electrode and a second electrode and a separator interposed therebetween are wound around a winding axis to define a core and an outer circumferential surface, the first electrode comprising a first non-coated portion which is not coated with an active material layer along the winding direction; a battery housing having an opening on one side thereof and accommodating the electrode assembly through the opening; and a current collector comprising a support portion disposed on the top of the electrode assembly, a tab coupling portion extending from the support portion and coupled to the first non-coated portion, and a housing coupling portion extending from the support portion and electrically coupled to an inner surface of the battery housing, wherein a fracture portion having lower strength than the surrounding area is provided at the boundary between the support portion and the tab coupling portion.
Absstract of: MX2025011479A
The present invention relates to a non-aqueous electrolyte comprising a lithium salt, an organic solvent, and an additive, wherein the additive comprises a compound represented by chemical formula 1 below. Chemical formula 1 In chemical formula 1: R<sub>1</sub> is an allyl group or a propargyl group; R<sub>2</sub>, R<sub>3</sub>, R<sub>4</sub>, and R<sub>5</sub> are each independently selected from hydrogen and a C1-C5 alkyl group; L is selected from a single bond and a C1-C10 alkylene group; and X is selected from -C(=O)-, -S(=O)-, and -S(=O)<sub>2</sub>-.
Absstract of: MX2025011365A
A terminal post (100), a top cover structure, a battery cell, a battery module, and a battery pack. The terminal post (100) comprises a first metal component (1) and a second metal component (2) connected to each other. One of the first metal component (1) and the second metal component (2) is provided with a protruding section (11), and the other is provided with a first recessed section (22). The protruding section (11) is fitted into the first recessed section (22) and connected therewith. The edge at an end of the second metal component (2) extends outwards to form an extension edge, the first metal component (1) is provided with a second recessed section (12), and the extension edge is fitted into the second recessed section (12).
Absstract of: MX2025011471A
An O-ring according to an embodiment of the present invention comprises: a first part seated on a bead portion in which a battery housing is recessed inward; and a second part provided above the first part and configured to cover the upper surface of the battery housing.
Absstract of: MX2025008919A
A system and method for recovering heavy metals from nonhazardous scrap lead acid battery slag using pyrometallurgical and hydrometallurgical process to clean slag for commercial use as an environmentally friendly substitute solid filler in product. Process recovers previously nonhazardous landfilled lead and tin for value economically for the business unit and repurposes the businesses major solid waste stream. Methods iteratively remove tin, lead, antimony, arsenic from slag to be used in commercial materials as well as concentrate lead and tin in a fume to recover lead for recycled production and produce commercial grade tin.
Absstract of: MX2025009017A
According to various embodiments, a method of quickly and inexpensively forming a crystallographically-stable, highly durable, cobalt-free, lithium-substituted, lithium-rich metal oxide (S-LRMO) material is provided, where the element that is used to replace lithium is some combination of Na, K, Ca, and Mg, and is above the levels commonly thought of as doping. In some embodiments, a cathode active material comprising a lithium-substituted, lithium-rich metal oxide is provided. For example, in some embodiments, the cathode active material comprises a chemical formula LiLi<sub>x</sub>A<sub>y</sub>M<sub>z</sub>O<sub>b</sub>, where A comprises at least one of Na, K, Ca and/or Mg. In some embodiments, (x + y) is greater than 0 and less than 0.3, y > 0.05, z = 1 - (x + y), M includes Mn and Ni, and b is greater than or equal to 1.8 and less than or equal to 2.2.
Absstract of: MX2025011214A
The invention relates to a method for recycling a battery, having the steps of: (a) providing an at least partially discharged battery, (b) comminuting the at least partially discharged battery in a process chamber (11) in order to obtain battery parts, (c) drying the battery parts in a process chamber (11) in order to obtain dried battery parts and a separated gas, and (d) packing the dried battery parts in order to form a package. The invention is characterized in that steps (b) and (c) are carried out in the same process chamber (11). The invention additionally relates to a mobile device for recycling a battery using the method and to a package in which 1 to 30 kg of battery parts are contained and which can be obtained using the method.
Absstract of: MX2025011316A
A battery according to one embodiment of the present invention may comprise: an electrode assembly; a battery housing for accommodating the electrode assembly through an opening formed at one side thereof; a battery terminal electrically connected to the electrode assembly through a closing part provided at the opposite side of the opening of the battery housing; and a current collector including a first coupling part, which is electrically coupled to the electrode assembly, and a second coupling part, which is electrically coupled to the battery terminal and has a resistance increase region formed in at least one portion thereof.
Absstract of: MX2025012365A
An apparatus for estimating SOH, according to one embodiment of the present invention, comprises: a profile acquisition unit configured to acquire an OCV profile for multiple OCVs of a battery measured at different time points; a profile correction unit configured to adjust a preset reference positive electrode profile and a preset reference negative electrode profile to correspond to the OCV profile, thereby generating an adjusted positive electrode profile and an adjusted negative electrode profile; and a control unit configured to extract a diagnostic factor for the battery from at least one among the adjusted positive electrode profile and the adjusted negative electrode profile, and estimate the SOH of the battery on the basis of the extracted diagnostic factor.
Absstract of: MX2025012209A
The present invention provides a lithium secondary battery comprising: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode active material, the positive electrode active material includes an overlithiated manganese-rich oxide containing at least 50 mol% of Mn among all metals other than lithium and having a molar ratio of lithium to transition metals of greater than 1, and the non-aqueous electrolyte contains a lithium salt, a compound represented by chemical formula 1, and a compound represented by chemical formula 2.
Absstract of: MX2025012341A
The present invention relates to a battery comprising: an electrode assembly; a battery housing configured to accommodate the electrode assembly through an open portion formed on one side of the battery housing; a battery terminal configured to be electrically connected to the electrode assembly through a closed portion provided on the opposite side of the open portion of the battery housing; and a current collector comprising a first coupling portion configured to be electrically coupled to the electrode assembly, a second coupling portion configured to be electrically coupled to the battery terminal, and a bridge portion which is configured to electrically connect the first coupling portion and the second coupling portion and in which at least a portion of a region adjacent to the second coupling portion has a reduced cross-sectional area.
Absstract of: MX2025012338A
A foreign substance removal device of a battery gripper according to an embodiment of the present invention conveys a battery using a plurality of magnetic units, and may comprise a body part that is disposed below the battery gripper and communicates with an air supply device and a supply suction device. The body part may include: a plurality of insertion grooves having spaces into which portions of each of the magnetic units can be inserted; an air spraying unit for spraying the magnetic units with air supplied from the air supply device; and an air discharge flow path that suctions the air and foreign substances scattered from the magnetic units and discharges same to the supply suction device.
Absstract of: MX2025012147A
The present invention provides a lithium secondary battery comprising a cathode, an anode, a separator interposed between the cathode and the anode, and a non-aqueous electrolyte, wherein the anode includes an anode active material, the anode active material includes a silicon-based active material, and the non-aqueous electrolyte includes a lithium salt, fluoroethylene carbonate, 1,2-difluoroethylene carbonate, and a coumarin-based compound of a specific chemical formula.
Absstract of: MX2025012270A
The present invention relates to a cathode-free coating layer comprising amorphous carbon and tungsten carbide, and an all-solid-state battery including same. According to the present invention, the cathode-free coating layer, of which degradation in specific capacity and/or capacity retention according to cycle is more controlled than that of a conventional technology, and the all-solid-state battery comprising same can be provided.
Absstract of: MX2025012150A
A cylindrical battery cell, a battery pack and a vehicle including same, and a current collector plate are disclosed. The cylindrical battery cell according to one embodiment of the present invention comprises: an electrode assembly structured such that a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate are wound in one direction; a cylindrical battery can in which the electrode assembly is accommodated and which has a through hole; a positive electrode current collector plate electrically connected to the positive electrode plate; a cell terminal connected to the positive electrode current collector plate through the through hole of the battery can; and a negative electrode current collector plate electrically connected to the negative electrode plate, wherein the positive electrode current collector plate or the negative electrode current collector plate has a fracture-inducing portion so that at least a portion of the positive electrode current collector plate or the negative electrode current collector plate is fractured by gas generated in the battery can.
Absstract of: MX2025012148A
The present invention relates to an apparatus and a method, for diagnosing a battery, which are capable of diagnosing the state of the battery in consideration of an overpotential. Since the apparatus for diagnosing a battery, according to the present invention, diagnoses the state of the battery on the basis of a correction profile which is obtained by removing an overpotential from a battery profile, there is an advantage in that charging and discharging at a reference C-rate are not forced in order to diagnose the state of the battery. That is, since the state of the battery may be diagnosed even when the battery is charged and discharged at a C-rate other than the reference C-rate, the state of the battery may be rapidly diagnosed without restriction on the charging and discharging conditions.
Absstract of: MX2025012019A
The present invention relates to an electrode assembly comprising: an electrode stack comprising a positive electrode comprising a positive electrode active material layer, a negative electrode comprising a negative electrode active material layer, and a separator interposed between the positive electrode and the negative electrode; and at least one retaining member for winding the electrode stack in the overall width direction and retaining same. The positive electrode comprises a positive electrode sliding portion configured such that the thickness of the positive electrode active material layer decreases. The retaining member comprises a first retaining member disposed so as to overlap the positive electrode sliding portion and a second retaining member disposed so as not to overlap the sliding portion. The first retaining member is thicker than the second retaining member.
Absstract of: MX2025011920A
The invention relates to a cylindrical battery cell housing having an aluminum material, to a method for producing a cylindrical battery cell housing, and to the use of an aluminum material in order to produce a cylindrical battery cell housing. The aim of the invention is to provide a cylindrical battery cell housing with a CO2 footprint which is reduced in comparison to the current reference material steel, said cylindrical battery cell housing simultaneously allowing an improved heat conduction and a reduced weight of the battery cell. This is achieved in that the cylindrical battery cell housing has an aluminum material in which the ratio of the carbon dioxide (CO<sub>2e</sub>) quantity emitted during the production of the aluminum material, in kgC<sub>O2e</sub> per kg<sub>Al material </sub>, to the yield point R<sub>p0.2</sub> of the aluminum material, in MPa, of CO<sub>2e</sub>/R<sub>p0.2</sub> is ⿤ 1.9% kg<sub>CO2e </sub>/(MPa*kg<sub>Al material</sub>).
Absstract of: MX2025011834A
An energy storage arrangement (1), comprising a plurality of energy storage cells (2) which each have electrical poles (3) and at least one emergency opening (4), at least one covering element (5) which covers the electrical poles (3) and has openings (6) which are associated with the emergency openings (4) being arranged on the energy storage cells (2).
Absstract of: MX2025011724A
The present invention relates to an electrode for a lithium sulfur battery, the electrode being for improving energy density, and comprising a current collector and an electrode active material layer disposed on at least one surface of the current collector, wherein the electrode active material layer contains a sulfur-carbon composite and a binder, the sulfur-carbon composite includes a porous carbon material and a sulfur-based material, and the current collector includes aluminum (Al) and has a thickness of about 9 µm or less.
Absstract of: MX2025011959A
Disclosed is a battery pack structure, comprising a housing, and a battery module and a wire harness assembly that are arranged in the housing. The wire harness assembly comprises a flexible wire harness, a flat rigid wire harness, at least one high voltage sheath, at least one low voltage sheath, and a mounting frame used for mounting the high voltage sheath and the low voltage sheath to the housing. According to the battery pack structure of the present invention, the high voltage sheath and the low voltage sheath can be fixed by means of the mounting frame, so as to achieve physical isolation between high and low voltage wire harnesses. In addition, the wire harness assembly of the present invention comprises a flexible wire harness connected to the low voltage sheath and a flat rigid wire harness connected to the high voltage sheath, and the configuration of the flat rigid wire harness achieves the transition of the high voltage wire harness from an external circular shape to a flat shape, thereby solving the problem that the high voltage wire harness in the battery pack is not easy to bend and arrange due to an excessively large diameter; moreover, the configuration of the flat rigid wire harness can effectively improve the volume energy density of the battery pack.
Absstract of: MX2025012742A
A battery pack according to the present invention may comprise: a cell array structure comprising a plurality of battery cells; a pack case accommodating the cell array structure and having first venting paths formed under the cell array structure; and a lower casing disposed at one end of the cell array structure inside the pack case and having, formed therein, a second venting path communicating with the first venting paths.
Absstract of: MX2025012600A
The present invention relates to a positive electrode active material and a method for preparing same, the positive electrode active material comprising a single particle-type lithium nickel-based oxide which comprises nickel, cobalt, and manganese, the content of nickel being 90 mol % or more among all metals excluding lithium, and includes 1-30 nodules, wherein D<sub>50</sub> is 5ã¿¿ to 7ã¿¿, and a maximum value of a heat flow rate measured by a differential scanning calorimeter (DSC) is 15.0%/g or less while a coin-half cell, prepared by using the positive electrode active material, is charged up to 4.25 V, and then the temperature is raised from room temperature to 380â¿¿ under a heating condition of 10â¿¿/min.
Nº publicación: MX2025012623A 03/11/2025
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Absstract of: MX2025012623A
A battery diagnosis apparatus and a battery diagnosis method are disclosed. The battery diagnosis apparatus according to the present invention comprises: a data acquisition unit which acquires a first profile representing a state of charge (SOC)-voltage relationship of a battery cell comprising an active material having multiphasic nature; and a processor which generates a plurality of comparison profiles on the basis of a plurality of electrode profiles included in an electrode profile map. The processor compares each of the plurality of comparison profiles with the first profile to select any one of the plurality of comparison profiles as a second profile, and determines at least one diagnosis factor indicating a state of health (SOH) of the battery cell on the basis of the second profile.
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