Alerta

POSITIVE ELECTRODE ACTIVE MATERIAL, BATTERY CELL, BATTERY, AND POWER CONSUMING APPARATUS

Resumen de: US2025279416A1

Embodiments of this application provide a positive electrode active material, a battery cell, a battery, and a power consuming apparatus. The positive electrode active material includes: a matrix, where a chemical formula of the matrix is LiLixNiaCobMncMdO2, M includes at least one of Mg, Nb, Cr, Ce, Fe, Ta, B, Al, V, Ti, Zr, Sn, P, and Mo, x+a+b+c+d=1, x>0, a>0, 00, and d≥0; and a coating layer, where the coating layer is disposed on a surface of the matrix, and the coating layer includes boron-containing alloy. The technical solutions of this application can improve an energy retention rate and an initial gram capacity of a battery.

COMPOSITE ELECTRODE, A STRETCHABLE BATTERY AND METHOD THEREOF

Resumen de: US2025279409A1

The present disclosure relates to a composite electrode comprising polymer with carbon particles percolated by gallium or a gallium-indium alloy, and a stretchable battery comprising: a cathode electrode comprising silver oxide and styrene-isoprene block copolymer (Ag2O-SIS) and a cathode current collector; an anode electrode comprising a gallium, carbon, and a polymer and an anode current collector; wherein each of the cathode current collector and the anode current collector comprise: a first current collector of a composite comprising liquid metal eutectic gallium-indium (EGaln), silver (Ag), and styrene-isoprene block copolymer (SIS); and a second current collector a second layer of carbon black (CB) and styrene-isoprene block copolymer (SIS). The disclosure also discloses a method to obtain said composite electrode and said stretchable battery.

POSITIVE ELECTRODE PLATE AND MANUFACTURING METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRICAL APPARATUS

Resumen de: US2025279414A1

The positive electrode plate comprises a current collector, a first positive electrode active material layer, and a second positive electrode active material layer; the first positive electrode active material layer is arranged on at least one side of the current collector, and the second positive electrode active material layer is arranged on the first positive electrode active material layer; the first positive electrode active material layer comprises a first positive electrode active material, the second positive electrode active material layer comprises a second positive electrode active material, the first positive electrode active material comprises a lithium-containing phosphate of olivine structure, and the second positive electrode active material comprises a cobalt-containing lithium metal oxide. The positive electrode plate can effectively improve the influence of the concentration polarization of a battery on the performance of the battery, thereby helping to improve the capacity and cycle performance of the battery.

LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS

Resumen de: US2025279427A1

A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.

NEGATIVE ELECTRODE CURRENT COLLECTOR, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025279437A1

A negative electrode current collector may comprise a metal substrate and a conductive layer provided on at least one surface of the metal substrate, the negative electrode current collector may have a Vickers hardness of 400 MPa-900 MPa, and the conductive layer may have a thickness of 0.5 μm-6 μm.

ELECTRODE AND BATTERY

Resumen de: US2025279436A1

An electrode plate according to the present disclosure includes: a current collector, the current collector including a substrate and a coating layer coating the substrate; and an electrode layer disposed on the current collector, wherein the coating layer includes conductive carbon and a first binder, the electrode layer includes a second binder, the first binder includes an aromatic super engineering plastic, and the second binder includes a styrenic elastomer in which a mole fraction of a repeating unit derived from styrene is 0.18 or more.

BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279553A1

A battery cell comprises: terminals and a battery core assembly; the battery core assembly comprises active substance coated parts and a plurality of tab pieces extending from the active substance coated parts in a first direction; the ends of the plurality of tab pieces close to an active substance coated part close up to form a first closing-up part, and the ends of the plurality of tab pieces away from the active substance coated part close up and connect to each other to form a second closing-up part, the first closing-up part being connected to the second closing-up part and the active substance coated part, and the orthographic projection of the end of the second closing-up part connected to the first closing-up part on a terminal in the first direction being at least partially located in the outer contour range of the terminal.

BATTERY CELL, BATTERY AND ELECTRIC APPARATUS

Resumen de: US2025279555A1

A battery cell comprises: a casing assembly and a battery cell assembly, wherein the casing assembly comprises a casing and a first terminal arranged on the casing; and the battery cell assembly comprises an active-material coated portion and a conductive portion, the active-material coated portion being accommodated in the casing, the conductive portion being used for electrically connecting to the active-material coated portion and the first terminal, the first terminal being provided with an accommodating portion, and the conductive portion being at least partially accommodated in the accommodating portion.

Electrode Assembly Joining Device, Electrode Assembly Manufacturing Device Comprising Same, Electrode Assembly Joining Method, and Electrode Assembly Manufacturing Method

Resumen de: US2025279457A1

An electrode assembly joining apparatus includes a gripper, a press part, and a stack movement part. The gripper holds a part of a stack in which a plurality of positive electrodes and a plurality of negative electrodes are alternately stacked with separators disposed therebetween. The press part bonds the stack, and the stack movement part supports the stack or moves the stack partially. A method of manufacturing the same is also provided.

BATTERY PRODUCTION METHOD AND SYSTEM

Resumen de: US2025278073A1

Battery production method includes determining quantity of first battery cells based on current first production work order in process of producing products by production device in first process of battery production line; determining quantity of second battery cells; if greater than or equal to the quantity of the first battery cells, sending control instruction to first production device in the first process, and taking next first production work order as the current first production work order; determining quantity of unfinished battery packs on station device for current second production work order and sending the quantity of the unfinished battery packs to the station device in process of producing products by the station device in the second process of the battery production line; and when the quantity of the unfinished battery packs is zero, taking next second production work order as the current second production work order.

NEGATIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025276900A1

This application discloses a negative electrode active material and a preparation method therefor, a negative electrode plate, a battery, and an electrical device. The negative electrode active material includes a carbon core; a porous carbon skeleton layer, having an accommodation space inside, where the carbon core is located in the accommodation space; a carbon cladding layer, where the carbon cladding layer is cladded on at least a part of an outer surface of the porous carbon skeleton layer; and a wave absorbing material and silicon-based particles, where the wave absorbing material and the silicon-based particles are respectively and independently distributed in a region in which the carbon core is located and a region in which the porous carbon skeleton layer is located.

CARBON MATERIAL FOR LITHIUM SULFUR BATTERY AND PRODUCTION METHOD THEREFOR

Resumen de: US2025276899A1

Provide is a method for producing a carbon material for a lithium sulfur battery with improved charge and discharge capacity. The method of producing a carbon material for a lithium-sulfur battery may include: performing a wet pulverization treatment of a mixture comprising a first carbon material, a dispersant, and a liquid medium to obtain a slurry; removing at least a portion of the liquid medium from the slurry to obtain a second carbon material; performing a heat treatment of the second carbon material to obtain a third carbon material; and performing an activation treatment of the third carbon material to obtain a fourth carbon material.

CORE MODULES AND EARPHONES

Resumen de: US2025280228A1

The present disclosure provides a core module and an earphone. The core module comprises a housing, a battery assembly, and a driving assembly. The housing is provided with a first accommodation space and a second accommodation space. The battery assembly is accommodated in the first accommodation space along a first preset assembly direction. The driving assembly is accommodated in the second accommodation space along a second preset assembly direction. The first preset assembly direction and the second preset assembly direction are provided at an acute angle. A first limiting portion is disposed in the first accommodation space. A projection of the first limiting portion on a cross section perpendicular to the first preset assembly direction does not overlap with a projection of the battery assembly on the cross section perpendicular to the first preset assembly direction. The first limiting portion is configured to limit a position of the battery assembly.

ESS SECURITY MANAGEMENT SYSTEM

Resumen de: US2025280010A1

The present disclosure relates to an ESS security management system comprising: a monitoring means for observing an ESS state; and a security means for blocking or stopping an ESS operation of other domains separate from a network switch with respect to unauthorized access or abnormal state of an ESS and, more specifically, to an ESS security management system for safely managing the system through multi-level network management in order to maintain ESS network security.

ELECTRIC POWER STORAGE DEVICE

Resumen de: US2025279545A1

An electric power storage device includes a plurality of electric power storage units and a housing case. The electric power storage units are arranged in an X direction and laminated in the X direction. Lower surfaces of the electric power storage units are bonded to a lower case with an adhesive member. A protruding portion extending in the X direction is formed in an upper case. The protruding portion protrudes toward the lower case and abuts against an upper surface of the electric power storage units. As a result, the electric power storage units receive a load on the adhesive member side (lower case side) and are pressed down.

SEPARATOR, METHOD FOR PREPARING THE SAME, AND SECONDARY BATTERY AND ELECTRICAL DEVICE RELATED TO THE SAME

Resumen de: US2025279542A1

A separator, a method for preparing the same, and a secondary battery and an electrical device related the same are described. The separator includes a porous substrate and a coating disposed on at least one surface of the porous substrate, in which the coating includes a three-dimensional skeleton structure and fillers having a porous structure, and at least part of the fillers having the porous structure is filled into the three-dimensional skeleton structure.

BINDER AND PREPARATION METHOD THEREFOR, AND BATTERY

Resumen de: US2025279544A1

A binder includes a bonding material particle. The bonding material particle includes a core and a shell. The core includes a crystalline polymer. The shell wraps at least a part of an outer surface of the core, and the shell includes an amorphous polymer.

Composite Single-Layer Chemically Cross-Linked Separator

Resumen de: US2025279543A1

The purpose of the present invention is to provide: a safer polyolefin microporous membrane; a storage device separator, storage device assembly kit, and storage device using the polyolefin microporous membrane; and a storage device. In one embodiment, the polyolefin microporous membrane comprises at least one of each of layer A and layer B, polyolefin contained in at least one of layer A and layer B has one or more types of functional groups, and a crosslinked structure is formed by (1) the functional groups undergoing condensation reactions with each other, (2) the functional group reacting with a chemical substance inside the storage device, or (3) the functional group reacting with a different type of functional group, after accommodation in the storage device.

SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

Resumen de: US2025279541A1

In one embodiment of the present invention, provided is a separator for a non-aqueous secondary battery, the separator including: a heat-resistant porous layer that contains an aromatic type resin and inorganic particles, and an adhesive layer that is provided on the heat-resistant porous layer, and that contains adhesive resin particles having a phenyl group-containing acrylic type resin, in which the adhesive resin particles having a phenyl group-containing acrylic type resin are adhered to the heat-resistant porous layer, and in which an average primary particle diameter of the inorganic particles is from 0.01 μm to less than 0.50 μm.

POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025279413A1

A positive electrode plate and a preparation method therefor, a battery cell, a battery, and an electric device are described. The positive electrode plate includes: an active material layer, where the active material layer includes a first active material, a conductive agent, and a binder. The first active material includes a layered transition metal oxide, and the binder includes a flexible binder, configured to bind the first active material and the conductive agent. Performance of a battery including the positive electrode plate is improved.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: US2025279411A1

A secondary battery and an electrical device including the secondary battery. The secondary battery includes a negative electrode and an electrolyte. The negative electrode of the secondary battery includes a silicon-carbon composite material having a three-dimensional network cross-linked pore structure, and the electrolyte of the secondary battery includes dimethyl carbonate.

POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITION, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025279410A1

A positive electrode active material composition, a positive electrode plate, a battery, and an electric apparatus are described. The positive electrode active material composition includes a first positive electrode active material and a second positive electrode active material, where the first positive electrode active material includes a core LiaAbMnfB1-fP1-dRdO4-nDn and a coating layer covering the core, and the second positive electrode active material includes a compound LiNixCoyM1-x-yO2; and 0.018m+0.003f≤z≤0.02m+0.02f is satisfied.

POSITIVE ELECTRODE PLATE AND PREPARATION METHOD THEREOF, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025279418A1

A positive electrode plate includes: a positive electrode current collector and a positive electrode active material layer disposed on a surface of at least one side of the positive electrode current collector and including a positive electrode active material. The positive electrode active material includes a sodium-containing positive electrode active material. A thickness of the positive active plate satisfies that Dmax/Dmin is 104.5% to 300%, where for a battery assembled from the positive electrode plate and a negative electrode plate, Dmax is a thickness of the positive electrode plate of the battery at 0% SOC, and Dmin is a thickness of the positive electrode plate of the battery at 100% SOC. The negative electrode plate includes a negative electrode current collector, and when the battery is at 100% SOC, a surface of at least one side of the negative electrode current collector has a sodium metal layer.

NEGATIVE ELECTRODE FOR ALL SOLID-STATE BATTERY AND ALL SOLID-STATE BATTERY INCLUDING SAME

Resumen de: US2025279412A1

A negative electrode for an all solid-state battery includes a current collector, a first layer on the current collector, the first layer including a Si-carbon composite, and a second layer on the first layer, the second layer including a carbonaceous material and a metal, wherein a ratio of a capacity of the negative electrode/a capacity of a positive electrode is about 0.5 to about 2.

BATTERY CELL, BATTERY, AND POWER CONSUMING APPARATUS

Resumen de: US2025279479A1

Provided are a battery cell, a battery, and a power consuming device. The battery cell includes: an electrode assembly, where the electrode assembly includes a positive electrode plate and a negative electrode plate; and an electrolyte solution, where the electrolyte solution includes a first electrolyte salt, and a molecular formula of the first electrolyte salt is:where R1 is one of Li, Na, K, Mg, and Al, R2 is at least one of element O, element S, element F, and C1-C3 alkyl or C1-C3 alkyl substituted with element F, and based on 100 parts by weight of the electrolyte solution, content W1 of the first electrolyte salt ranges from 2 parts by weight to 20 parts by weight. According to the technical solution of this application, energy density and safety performance of the battery can be improved.

BATTERY AND ENERGY STORAGE APPARATUS

Resumen de: US2025279531A1

A battery comprises a battery case, a pressure relief mechanism, and a first negative pressure mechanism. The pressure relief mechanism is arranged at a wall portion of the battery case, and the pressure relief mechanism is used for relieving the internal pressure of the battery case when the internal pressure or temperature of the battery case reaches a threshold value. The first negative pressure mechanism is connected to the pressure relief mechanism, and the first negative pressure mechanism is used for generating a negative pressure, so as to direct gas in the battery case to move towards the pressure relief mechanism.

COMPOSITE, SHEET, ELECTROCHEMICAL ELEMENT, AND POWER STORAGE DEVICE

Resumen de: US2025279478A1

To provide a composite, a sheet, an electrochemical element, and a power storage device, ensuring electrical conductivity. A composite includes a metal oxide and an ester-type solvent in which an electrolyte salt is dissolved, in which an ionic liquid attaches to the surface of the metal oxide. A sheet contains the composite. An electrochemical element contains the composite. A power storage device includes a positive electrode layer, a negative electrode layer, and a separator which isolates the positive electrode layer from the negative electrode layer, and contains the composite.

Secondary Battery

Resumen de: US2025279421A1

The present disclosure relates to a secondary battery including a positive electrode, a negative electrode, a separator disposed between the negative electrode and the positive electrode, and an electrolyte. The positive electrode includes a positive electrode active material comprising a lithium cobalt-based oxide particles and a metal with which the lithium cobalt-based oxide particles are doped or coated. The metal includes aluminum (Al), magnesium (Mg), titanium (Ti), and zirconium (Zr). The metal includes titanium (Ti) and zirconium (Zr) in an amount of 300 ppm to 1,500 ppm with respect to a weight of the positive electrode active material, the metal includes aluminum (Al) in an amount of 3,000 ppm to 7,000 ppm with respect to a weight of the positive electrode active material, and the negative electrode includes a carbon-based active material and a silicon-based active material.

ELECTRODE PLATE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Resumen de: US2025279432A1

An electrode plate for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The electrode plate for rechargeable lithium batteries includes a current collector and an active material layer on the current collector, wherein the active material layer includes an active material; and a crosslinked product of a binder and a crosslinking agent. The binder includes a polyimide based binder, and the crosslinking agent includes at least one of a diamine based compound, an amino alcohol based compound, and a dialcohol based compound.

BATTERY MODULES AND SYSTEMS FOR REMOTE COMMAND AND CONTROL OF SAME

Resumen de: US2025279489A1

Described are remote command-enabled battery modules and systems and methods incorporating them.

Battery Pack

Resumen de: US2025279490A1

A battery pack, which includes a pack connector having a simple structure and effectively preventing the inflow and outflow of noise. The battery pack includes a cell assembly having at least one secondary battery; a battery control unit configured to control a charging and discharging operation of the cell assembly; a pack case configured to accommodate the cell assembly and the battery control unit in an inner space thereof; and a pack connector connected to the battery control unit through a control cable and including a connection port provided to at least one side of the pack case to be exposed out for the connection with a connecting terminal of an external device and a filtering member embedded therein to filter noise on an electric path between the connection port and the control cable.

Electrode, Secondary Battery Comprising the Same, and Method for Preparing the Same

Resumen de: US2025279484A1

Provided is a high-density electrode and a method of manufacturing the same. An electrode for a secondary battery includes an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector. The electrode active material layer includes an H1 region, an H2 region and an H3 region sequentially provided from an end of the electrode active material layer toward a center. The H2 region includes an inclined section in which a thickness increases from the H1 region toward the H3 region, and the electrode satisfies the following formulas (1) and (2), 0.2≤h1/h2≤0.7 . . . (1), h2/h3≥0.9 . . . (2), where h1 is an average thickness of the H1 region, h2 is an average thickness of the H2 region, and h3 is an average thickness of the H3 region.

DIE CUTTING METHOD AND APPARATUS FOR ELECTRODE PLATE

Resumen de: US2025276355A1

The present application discloses a die cutting method and apparatus for an electrode plate. The die cutting method for an electrode plate includes: providing an electrode-plate material. The die cutting unit performs die cutting on the electrode-plate material to produce individual electrode plates, each corresponding to the length of a single battery cell. During the die cutting process, a defect detection unit inspects the electrode-plate material for defects. A mark formed during die cutting indicates the boundary of each electrode plate. When a defect is detected, the system determines the defect's location relative to the current electrode plate being cut. Based on the position of the defect, the die cutting operation on the affected electrode plate is terminated, and die cutting is restarted on a new electrode plate. This approach allows for real-time defect management during continuous production, thereby enhancing yield and reliability of electrode plate manufacturing.

COATING DEVIATION CORRECTION METHOD AND APPARATUS

Resumen de: US2025276342A1

A coating deviation correction method includes: acquiring a first distance and a second distance, where the first distance is a distance from an edge of a coating region on a first surface of an electrode plate substrate to a reference edge, and the second distance is a distance from an edge of a coating region on a second surface of the electrode plate substrate to the reference edge; and determining a target deviation correction amount in a coating process based on the first distance, the second distance, and at least one preset deviation correction amount. The target deviation correction amount can be determined with high efficiency and accuracy by using the method.

COATING APPARATUS AND BATTERY PROCESSING DEVICE

Resumen de: US2025276339A1

A coating apparatus includes: a coating die head having a discharge port; an adjustment assembly disposed on the coating die head; and a control assembly connected to the adjustment assembly. The control assembly is configured to detect an actual surface density of coating on an electrode plate and control the adjustment assembly to adjust a flow area of the discharge port based on a difference between the actual surface density and a target surface density.

COATING DEVICE

Resumen de: US2025276338A1

The present disclosure discloses a coating device. The coating device includes a coating roller, a scraping roller, and a blocking assembly. The scraping roller and the coating roller are arranged side by side, and a gap is provided between the scraping roller and the coating roller to allow a slurry to pass through. The blocking assembly is arranged at an outer side of the coating roller and an outer side of the scraping roller. The blocking assembly includes a support and a blocker mounted at the support. The blocker includes a cooperation portion cooperating with the coating roller and an engagement portion cooperating with the scraping roller. A first end of the cooperation portion and a first end of the engagement portion are connected and form an angle portion. The angle portion extends into the gap.

WELDING POSITIONING APPARATUS, BATTERY PRODUCTION LINE, AND WELDING METHOD

Resumen de: US2025276413A1

A welding positioning apparatus includes a carrier and a pressing module. The carrier includes a pressing region and placement regions, where the pressing region is formed between two placement regions spaced apart along a first direction. The pressing module includes a pressing block and a driving apparatus, where the driving apparatus is drivingly connected to the pressing block to drive the pressing block to move toward the pressing region along a second direction. A side of the pressing block facing the pressing region is provided with a pressing surface and an avoidance space. The pressing surface is configured to press a portion of a tab of an electrode assembly along the second direction. The avoidance space is located on a side of the pressing surface along the first direction and is open on a side facing the pressing region.

ALL-SOLID-STATE SECONDARY BATTERY

Resumen de: US2025279486A1

An all-solid-state secondary battery includes a laminate wherein a positive electrode layer containing a positive electrode active material and a negative electrode layer containing a negative electrode active material are laminated with a solid electrolyte layer therebetween, and a positive electrode external terminal attached to the positive layer on a first surface of the laminate and a negative electrode external terminal attached to the negative layer on a second surface. The positive layer extends from the first surface to the second, the negative layer extends from the second surface to the first. In the laminate, a void is formed in at least one region of a region surrounded by the positive layer and first surface, a region surrounded by the positive layer, solid layer, and first surface, a region surrounded by the negative layer and second surface, and a region surrounded by the negative layer, solid layer, and second surface.

BATTERY SYSTEM, CHARGING CONTROL DEVICE, AND BATTERY PACK CHARGING METHOD

Resumen de: US2025279496A1

A battery system comprises: a battery pack comprising at least one battery cell, and a temperature sensor, a battery management system and a heating apparatus, wherein a positive-electrode active material of the battery cell comprises a lithium-containing transition metal phosphate, the lithium-containing transition metal phosphate at least comprising a manganese element; the temperature sensor is used for acquiring the temperature of the battery cell; and the battery management system is used for acquiring a first state parameter of the battery cell before and/or during a charging process of the battery cell, the first state parameter of the battery cell being used for generating a control instruction for the heating apparatus, and the control instruction being used for controlling the heating apparatus to heat the battery cell.

LITHIUM SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279430A1

A lithium secondary battery includes positive and negative electrode plates. The positive-electrode active material layer includes a positive-electrode active material Li1+aM1bFe1-cAcP1-dEdO4 with a mass ratio of not less than 85 wt %. The negative-electrode active material layer includes graphite with a mass ratio of not less than 85 wt %. Areal density, CWc in g/1540.25 mm2, and reversible lithium capacity, Dc in mAh/1540.25 mm2, of the positive-electrode active material layer on one side of the positive electrode plate, reversible lithium capacity, Da in mAh/1540.25 mm2, of the negative-electrode active material layer on the side of the negative electrode plate facing the positive electrode plate, first lithiation capacity, Ca in mAh/1540.25 mm2, of the negative-electrode active material layer on the side of the negative electrode plate away from the positive electrode plate, and conductivity, ρ at 25° C. in S/cm, of the electrolyte solution satisfy equations 1 and 2 described in the disclosure.

BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025279500A1

A battery includes a battery cell and a thermal management component. The battery cell includes a first surface and a second surface, and the thermal management component includes a first thermal management component and a second thermal management component. The first thermal management component is arranged on the first surface, and the first thermal management component is configured to adjust the temperature of the battery cell. The second thermal management component is arranged on the second surface, and the second thermal management component is configured to adjust the temperature of the battery cell.

SYSTEMS AND METHODS FOR IMPROVED SPATIAL COMPUTING SYSTEMS

Resumen de: US2025279497A1

A method for improved heat discharge may include sensing a temperature value of a battery circuit; activating a heat dissipation element within the battery circuit when the temperature value reaches a threshold; discharging heat from the battery circuit via the activated heat dissipation element; and deactivating the heat dissipation element when the temperature value falls below the threshold.

METHOD FOR COATING GLUE ON WATER-COOLING PLATE, SYSTEM FOR COATING GLUE ON WATER-COOLING PLATE, AND STORAGE MEDIUM

Resumen de: US2025276341A1

A method for coating a glue on a water-cooling plate comprises acquiring a first image and a second image comprising the water-cooling plate; determining a deviation between a placement position and a preset position of the water-cooling plate based on the first image and the second image; regulating a glue coating trajectory based on the deviation between the placement position and the preset position of the water-cooling plate; and coating the glue on the water-cooling plate based on the regulated glue coating trajectory.

MODELING METHOD FOR THERMAL RUNAWAY-ELECTROCHEMICAL COUPLING MODEL FOR CHANGE IN STATE OF CHARGE OF LITHIUM-ION BATTERY DURING CHARGING AND DISCHARGING

Resumen de: US2025278536A1

The present invention relates to a modeling method for a thermal runaway-electrochemical coupling model for a change in state of charge of a lithium-ion battery during charging and discharging, and belongs to the technical field of safety of lithium-ion batteries. The method includes the following steps: S1: establishing a three-dimensional thermal runaway model of the battery under different states of charge; S21: assembling half-cells of battery cathode and anode materials; S22: testing equilibrium potentials and entropy thermal coefficients of a cathode and an anode; S23: acquiring a heat transfer coefficient between a battery surface and an ambient temperature; S24: measuring temperature and voltage change curves of the battery; S25: establishing an electrochemical model plugging electrochemical parameters into the model to obtain simulation results, and comparing the simulation results with real experimental results; and S3: making the temperatures in the electrochemical model to be consistent with an average temperature in the three-dimensional thermal runaway model under different states of charge for coupling, and setting restriction conditions after coupling. The method can achieve coupling of the thermal runaway model for the change in state of charge and electrochemistry, and can explore the thermal runaway phenomenon of batteries more comprehensively.

FLOOR TOOL ATTACHMENT FOR USE WITH VACUUM CLEANER

Resumen de: US2025275658A1

An attachment for a vacuum cleaner includes a head, a brush roll, an electric motor, and an attachment conduit. The head includes a suction opening, a brush roll cavity, and a battery cavity defined therein. The brush roll cavity is in fluid communication with the suction opening. The battery cavity has an elongate shape and a first longitudinal axis. The brush roll is rotatably coupled to the head. A majority of the brush roll is disposed within the brush roll cavity. The brush roll is rotatable about a rotational axis. The electric motor is disposed within the head. The electric motor drives the brush roll. The attachment conduit is in fluid communication with the suction opening. The attachment conduit is coupled to the head and has a second longitudinal axis. Each of the first longitudinal axis and the second longitudinal axis is angled relative to the rotational axis.

VERSATILE RECHARGEABLE ENERGY STORAGE SYSTEM TRAY COOLING

Resumen de: US2025279495A1

A vehicle includes a vehicle chassis supported by four wheels. At least one electric motor provides drive torque to at least one of the four wheels. A rechargeable energy storage system is supported by the vehicle chassis and provides electricity to the electric motor. The rechargeable energy storage system includes a housing and a plurality of battery cells disposed within the housing. A base of the housing includes an extruded aluminum tray assembly having liquid coolant passages extending through the aluminum tray assembly and air cooling fins extending from a bottom of the extruded aluminum tray assembly.

FOIL RECOVERY APPARATUS

Resumen de: US2025279492A1

A foil recovery apparatus is provided and includes a base, a conveying device, and a collecting device. The conveying device includes a conveyor belt and a first roller set. The first roller set includes a first conveying roller and a second conveying roller. The conveyor belt is driven around the first conveying roller and the second conveying roller for transmission. The collecting device includes a storage bin and a carrying platform. The storage bin includes a pushing plate and defines a receiving cavity. The storage bin defines a first opening. The pushing plate and the first opening are located on two opposite sides of the receiving cavity, respectively, and the first opening is opposite to the pushing plate. The carrying platform includes a pressing plate. The storage bin is disposed at one side of the second conveying roller away from the first conveying roller.

NEGATIVE ELECTRODE SHEET, LITHIUM BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025279417A1

A negative electrode sheet includes a negative electrode current collector as well as a capacity providing layer, a conductive bonding layer, and a fast ion conductor layer which are sequentially stacked on at least one side surface of the negative electrode current collector, where the capacity providing layer comprises a first negative electrode active material, a first binder, and a first conductive agent, the fast ion conductor layer comprises a carbon active material, a lithium superionic conductor, a second binder, and a second conductive agent, and the specific capacity of the first negative electrode active material is greater than that of the carbon active material.

JIG FOR FIXING

Resumen de: US2025279465A1

Provided is a fixing jig capable of controlling a surface pressure for pressurizing a battery module assembly when fixing the battery module assembly to an electric vehicle, which includes: a pair of body units facing each other each having one end branched into a supporting portion and a pressurizing portion formed therebetween with an insertion groove into which a part of the electric vehicle is inserted; a pressurizing member rotatably installed inside the pressurizing portion to pressurize the battery module assembly by controlling the surface pressure while selectively and partially protruding outward from the pressurizing portion; and a control unit provided on one side of the body unit to control a rotating degree of the pressurizing member to control a protruding degree of the pressurizing member outward from the pressurizing portion. Thus, a noise or overheating of the battery module assembly is prevented.

PRESSURIZING MECHANISM, PRESSURIZING APPARATUS, SILO APPARATUS, AND BATTERY PRODUCTION LINE

Resumen de: US2025279466A1

A pressurizing mechanism, a pressurizing apparatus, a silo apparatus, and a battery production line are disclosed. The pressurizing mechanism includes a base and a pressurizing piece. The base is provided with a positioning key. The pressurizing piece is provided with a positioning groove. The positioning key is fitted to the positioning groove to position the pressurizing piece and the base. The positioning groove is provided with an insertion opening running through a bottom wall of the pressurizing piece, and the positioning key is inserted into the positioning groove through the insertion opening.

Battery Module Capacity Calculation and Power Recharge Control Methods, Systems, Equipment and Media

Resumen de: US2025277860A1

A method for capacity calculation of a battery module includes: acquire the historical charge and discharge parameters of each battery in the battery module, select a reference battery that meet preset charge and discharge conditions, and obtain remaining batteries in the battery module; obtain relative capacity of each remaining battery relative to the reference battery; determine batteries that meet the preset capacity conditions based on the relative capacities as target capacities; obtain increasable capacity of the battery module based on the target capacities. The calculation of the increasable capacity of the battery module is performed before the battery module is recharged, so that the operation and maintenance personnel can know whether the battery module needs to be recharged and whether the capacity of the battery module after recharging has increased, which optimizes recharge process, improves recharge efficiency, and improves operation and maintenance efficiency.

METHOD FOR IN-VEHICLE STATE ESTIMATION CONSIDERING VOLTAGE FADE

Resumen de: US2025277869A1

A vehicle includes a system that performs a method for operating the vehicle. A processor obtains an initial voltage fade state of a battery of the vehicle and a model of an initial state of the battery of the vehicle, commences a charging operation of the battery, measure a terminal voltage of the battery while charging, updates the model during the charging operation using the terminal voltage, ends the charging operation, obtains measurements of a cathode voltage after the charging operation has ended, determines a maximum cathode voltage from the measurements, determines an updated voltage fade state of the battery based on the maximum cathode voltage, selects a relation between cathode voltage and lithiation state based on the updated voltage fade state, calculates a state of lithiation of a cathode from the maximum cathode voltage using the selected relation, and operates the vehicle based on the updated voltage fade state.

BATTERY CELL INSPECTION SYSTEM

Resumen de: US2025277870A1

A battery cell inspection system includes a transport unit including a plurality of conveyors arranged in multiple levels in a vertical direction, and configured to transport a tray on which an assembled battery cell is mounted, a cell inspection unit corresponding to the multiple levels of the transport unit, and configured to perform pre-charging and cell defect inspection of the battery cell, and a shuttle configured to move between the cell inspection unit and the transport unit to carry the tray into the cell inspection unit or take the tray from the cell inspection unit.

BATTERY SOC EVALUATION METHOD, APPARATUS, DEVICE AND MEDIUM

Resumen de: US2025277863A1

The present application provides a battery SOC evaluation method, an apparatus, a device and a medium. The method includes: acquiring charging-discharging data of a first battery cell pack at different first temperatures and different first rates, where the number of the first battery cell pack is at least one, and the first battery cell pack includes a first battery cell; acquiring first SOCs of the first battery cell pack according to the charging-discharging data, where the charging-discharging data includes first voltages of the first battery cell pack; establishing an association table of the first SOCs with the first temperatures, the first rates and the first voltages; acquiring a second temperature, a second rate and a second voltage of a battery pack, and acquiring a second SOC of each second battery cell in the battery pack by the association table, where the battery pack includes multiple second battery cells.

ELECTROCHEMICAL CELL FOR STORING ELECTRICAL ENERGY

Resumen de: US2025279463A1

An electrochemical cell for an electrical energy storage device, in particular intended for a motor vehicle, comprising a plurality of electrodes (3) and a compression device (4) adapted to the variations in volume of the plurality of electrodes (3), the compression device (4) comprising a casing (5) and an at least partially elastically deformable return element (6) allowing the constant exertion of a suitable compression on the plurality of electrodes (3) in order to keep the various elements thereof in contact with one another and thus allow more homogeneous operation of the cell.

CLAMPING MODULE, GRABBING DEVICE, BATTERY PRODUCTION LINE, CLAMPING METHOD, AND TRANSFER METHOD

Resumen de: US2025279461A1

A clamping jaw includes a first clamping piece and a second clamping piece. A direction in which the first clamping piece and the second clamping piece are arranged opposite each other is a first direction. A first drive component is configured to drive the first clamping piece to move along the first direction. A mounting base is arranged on the second clamping piece. The second clamping piece is able to move relative to the mounting base along the first direction. The mounting base is provided with a force applying portion that is spaced away from the second clamping piece. An elastic member is in contact with the second clamping piece and the force applying portion. A second drive component is configured to drive the mounting base to move along the first direction.

LIQUID DRAINAGE MECHANISM, BATTERY BOX, BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279563A1

A liquid drainage mechanism includes: a valve body, the valve body being provided with an accommodating cavity, a liquid intake portion and an opening portion, the liquid intake portion and the opening portion being both in communication with the accommodating cavity; a cover assembly movably disposed on the opening portion; and an actuation assembly disposed in the accommodating cavity, the actuation assembly being configured to be actuated in response to a liquid entering the accommodating cavity through the liquid intake portion, so as to move the cover assembly to at least partially open the opening portion.

BATTERY MODULE FOR WORK MACHINE

Resumen de: US2025279464A1

A battery module is disclosed. The battery module comprises: a frame; a plurality of lithium-ion cells provided in the frame; a compression plate attached to the frame and configured to apply a uniform compression pressure to the plurality of lithium-ion cells in the frame; and a stopper for holding the compression plate at a holding location for maintaining pressure.

WINDING DEVICE AND WINDING METHOD

Resumen de: US2025279462A1

A winding device and a winding method. The winding device includes a winding mechanism configured to wind an electrode plate to form an electrode assembly. The winding mechanism includes: a winding needle assembly, including an inner winding needle and an outer winding needle surrounding the inner winding needle; and a piezoelectric assembly, disposed between the outer winding needle and the inner winding needle and configured to control the outer winding needle to move relative to the inner winding needle to adjust a circumference of the outer winding needle.

ELECTRICAL ENERGY STORAGE DEVICE

Resumen de: US2025279562A1

An electrical energy storage device disclosed herein includes a square case having a pair of third surfaces, an electrode body including a positive electrode and a negative electrode, a positive electrode tab that is provided in the positive electrode, a negative electrode tab that is provided in the negative electrode, an electrolyte solution, and a liquid injection hole that is provided at the third surface of the case and at a position closer to the negative electrode tab than to the positive electrode tab.

Battery Management System, Battery Pack Comprising Same, and Method of Diagnosing Deterioration of Secondary Battery

Resumen de: US2025277866A1

A battery management system for diagnosing the degradation of secondary batteries equipped with a positive electrode including lithium iron phosphate as a positive electrode active material is provided. The battery management system includes a sensing part configured to measure the voltage and open circuit voltage of a secondary battery; a memory part configured to store the open circuit voltage measured by the sensing part; and a control part configured to determine that the secondary battery is degraded if the amount of change in the open circuit voltage due to charge/discharge cycles of the secondary battery, for at least five charge/discharge cycles, satisfies the following condition: Vn−1−Vn<0.002V, (where Vn−1 represents the open circuit voltage measured during the (n−1)th charge-discharge cycle, Vn represents the open circuit voltage measured during the nth charge/discharge cycle, and n is an integer.)

Battery Management System, Battery Pack, Electric Vehicle and Battery Management Method

Resumen de: US2025277857A1

A battery management system includes a sensing circuit to acquire a state parameter of each of a plurality of battery cells connected in series; and a control circuit to determine, for each battery cell, a first state of charge (SOC) change which is a difference between a first SOC at a first charge time and a second SOC at a second charge time by applying a SOC estimation algorithm to the state parameter acquired during charging. The control circuit determines a reference factor by applying a statistical algorithm to the first SOC changes of at least two of the plurality of battery cells. The control circuit detects an internal short circuit fault in each battery cell based on the first SOC change of each battery cell and the reference factor.

LOW-VOLTAGE DEFECT INSPECTION METHOD OF LITHIUM SECONDARY BATTERY AND MANUFACTURING METHOD OF LITHIUM SECONDARY BATTERY

Resumen de: US2025277858A1

An inspection method for a low-voltage defect of a lithium secondary battery includes performing a microcurrent charging/discharging process having N charging/discharging sections, N being an integer of 2 or more, and for each charging/discharging section, applying a microcurrent to the lithium secondary battery; measuring a change in voltage of the lithium secondary battery before and after each charging/discharging section; and screening for the low-voltage defect of the lithium secondary battery based on the measured change in voltage. The lithium secondary battery having the low-voltage defect is not shipped. The microcurrent for each charging/discharging section is at a current rate of 0.000001 C to 0.0001 C.

APPARATUS AND METHOD FOR CHARACTERIZING AND MANAGING STACKED ENERGY STORAGE CELLS

Resumen de: US2025277861A1

An electrochemical storage diagnostic system is configured to perform an electrical test to measure energy storage device parameters. The diagnostic system includes a charge management controller, electrically coupled to a power multiplexer, a power converter circuit, and an isolated converter circuit. The charge management controller is programmed with instructions to identify a device under test, selected from at least one member of the plurality of energy storage devices to perform an electrical test. Then, adjust a charge in the secondary energy storage device to a target voltage through the power multiplexer by transferring energy between the secondary energy storage device and a support device, selected from at least one member of the plurality energy storage devices. After that, transfer electrical power through the power multiplexer and power converter circuit to the device under test in order to perform the electrical test. Finally, complete the electrical test.

HARNESS ISOLATION PLATE ASSEMBLY MECHANISM AND BATTERY PRODUCTION LINE

Resumen de: US2025279517A1

A harness isolation plate assembly mechanism and a battery production line are disclosed. The harness isolation plate assembly mechanism includes: a suction tool including a first bracket and a suction assembly; where the first bracket is provided with a first connection structure being configured to connect to a transport device to move the first bracket, and an extension surface of the first bracket being parallel to an extension surface of a harness isolation plate to be grabbed; and the suction assembly is fixed on the extension surface of the first bracket and arranged to avoid a harness region of the harness isolation plate, and the suction assembly is configured to adsorb or release the harness isolation plate. The harness isolation plate assembly mechanism can avoid low-strength regions on the harness isolation plate and disperse a force on the harness isolation plate, achieving damage-free assembly of the harness isolation plate.

NON-AQUEOUS ELECTROLYTE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: US2025279477A1

Provided are a non-aqueous electrolyte, a secondary battery, and an electrical apparatus. The non-aqueous electrolyte comprises an additive, the additive comprising a cyclic sulfate ester compound having the structure shown in general formula (I), wherein R1, R2, R3, R4, R5, and R6 are each independently selected from any one of: a group having the structure shown in general formula (II), a hydrogen atom, a halogen atom, a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C1-C6 alkoxy group, a C1-C6 haloalkoxy group, a C2-C6 alkenyl group, a C2-C6 ester group, a cyano group, and a sulfonic acid group, where n1, n2 and n3 are each independently any integer 0-2.

ELECTRICITY-DRIVEN VEHICLE

Resumen de: US2025279537A1

An electricity-driven vehicle includes: a floor panel; a depressed portion of a groove shape, that is formed on the floor panel and that extends in a vehicle width direction; a battery casing that is placed in the depressed portion; one or more batteries of a replaceable type, that can be attached to and detached from the battery casing; a smoke exhaust duct that extends from the battery casing, that penetrates through a bottom surface of the depressed portion, and that is opened to an outside of the vehicle; and a check valve that is provided on the smoke exhaust duct, and that prohibits inflow of a fluid from the outside of the vehicle into the battery casing.

SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279476A1

A secondary battery and an electrical apparatus comprising the secondary battery. The secondary battery comprises: a negative pole piece and an electrolyte. The negative pole piece of the secondary battery comprises a silicon-carbon composite material having a three-dimensional-network cross-linked pore structure, and the electrolyte of the secondary battery comprises lithium fluorosulfonyl imide.

Battery Cell with Venting Cover and Battery Module Including the Same

Resumen de: US2025279532A1

A battery cell includes: a case accommodating an electrode assembly in an accommodating space; a cap plate coupled to at least one side of the case; a vent provided in the case or the cap plate; and a venting cover disposed to cover the vent, and provided to be opened by pressure acting from the accommodating space to the outside of the case, wherein the venting cover includes a venting sheet provided to be opened by a predetermined amount of pressure, and including a first surface facing the vent and a second surface opposite to the first surface; and a venting cap having a support portion supporting the first surface of the venting sheet.

INSULATION DETECTION APPARATUS AND METHOD, AND ENERGY STORAGE APPARATUS

Resumen de: US2025277842A1

The present disclosure provides an insulation detection apparatus and method, and an energy storage apparatus, and relates to the technical field of energy storage safety. The insulation detection apparatus includes: a coupling conductor and a signal acquisition unit, where the coupling conductor and the signal acquisition unit are electrically connected, the coupling conductor and the signal acquisition unit are used to form an insulation detection loop with a device under test, and the signal acquisition unit is further used to detect an electrical signal in the insulation detection loop. The coupling plate and signal acquisition unit used in the present disclosure have a simple structure and low cost. Compared with the existing insulation impedance detection, the present disclosure has a high detection sensitivity and more reliable detection result.

ABNORMAL CELL DIAGNOSIS DEVICE AND METHOD USING CELL VOLTAGE DEVIATION

Resumen de: US2025277859A1

Disclosed herein is an abnormal battery cell diagnosis device and method for identifying an abnormal battery cell. The abnormal battery cell diagnosis device includes a voltage measurement module configured to measure an initial open circuit voltage (OCV) or closed circuit voltage (CCV) of each battery cell, a timer configured to determine a minimum rest time for a battery cell of a battery pack, and a processor configured to calculate an inter quartile range (IQR) based on the initial OCV or CCV depending on whether the minimum rest time is satisfied, to set an outlier criterion, and to detect an abnormal battery cell using the set outlier criterion.

INSULATION WITHSTAND VOLTAGE TESTING METHOD AND SYSTEM FOR BATTERY

Resumen de: US2025277843A1

An insulation withstand voltage testing method includes applying a direct-current voltage from a zero voltage to a target voltage to a battery cell in a first preset time period using a voltage applying circuit in response to a testing start signal; obtaining a first current value generated by the battery cell based on the direct-current voltage in the first preset time period; continuously applying the direct-current voltage of the target voltage to the battery cell in a second preset time period using the voltage applying circuit; obtaining a second current value generated by the battery cell based on the direct-current voltage in the second preset time period; and if the first current value is less than a first preset current threshold, and the second current value is less than a second preset current threshold, determining that the battery cell passes insulation withstand voltage testing of this time.

BATTERY NICKEL SHEET WELDING QUALITY DETECTION SYSTEM AND BATTERY NICKEL SHEET WELDING QUALITY DETECTION METHOD

Resumen de: US2025277862A1

A battery nickel sheet welding quality detection system includes a transverse moving platform; a detection assembly, including: a support, capable of being movably disposed on the transverse moving platform along a first linear direction relative to the transverse moving platform; a probe plate; probe assemblies each disposed at a corresponding preset position of the probe plate and for detecting relevant electrical parameters at a corresponding position of a battery, and including a probe base, probes and plug-in electrical connectors, and an adjustment mechanism, the probe plate being disposed at the bottom end of the adjustment mechanism; a camera assembly, configured to acquire first image information of the battery; and a control apparatus, configured to control, according to the first image information, the adjustment mechanism to adjust the probe plate to a detection position, where the first linear direction is parallel to the plane where the probe plate is located.

Film For Dry Electrode Of Secondary Battery

Resumen de: US2025279407A1

The present disclosure relates to an electrode film for the manufacture of a dry electrode for a secondary battery, a dry electrode comprising the same and a method for manufacturing the same. The electrode film according to an aspect of the present disclosure comprises a unit electrode film stacked in two or more layers, the unit electrode film comprising a fibrillized binder and an active material, wherein machine directions (MDs) of the unit electrode films in contact with each other among the two or more layers of unit electrode films are antiparallel to each other.

Boundry Line Detection Device and Method

Resumen de: US2025278840A1

An edge detection apparatus and method according to embodiments of the present invention may acquire a first electrode image and a second electrode image with different brightness values in which a same electrode is captured, and detect final edges of an uncoated portion from the second electrode image based on pixel coordinate information of edges of the uncoated portion obtained from the first electrode image, thereby improving detection accuracy of edge detection.

DIMENSION DETECTION DEVICE AND DIMENSION DETECTION METHOD

Resumen de: US2025278849A1

A dimension detection device includes: a frame, a detection area being disposed on the frame; two first dimension detection apparatuses disposed on the frame, the two first dimension detection apparatuses being positioned on two opposite sides of the detection area; and two second dimension detection apparatuses disposed on the frame, the two second dimension detection apparatuses being positioned on other two opposite sides of the detection area. The first dimension detection apparatus includes a first motion apparatus and a first image acquisition assembly, and the first motion apparatus is capable of driving the first image acquisition assembly to move. The second dimension detection apparatus includes a second motion apparatus and a second image acquisition assembly, and the second motion apparatus is capable of driving the second image acquisition assembly to move.

PROCESS FOR THE RECOVERY OF LITHIUM

Resumen de: AU2024277834A1

The present invention relates to a process for the concentration of lithium in metallurgical fumes wherein a metallurgical charge is smelted, thus obtaining a molten bath comprising a slag phase and optionally an alloy phase and fuming the lithium from the molten slag, by addition of a halogen intermediate, wherein said halogen intermediate is a gaseous halogen or gaseous halogen compound.

BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME

Resumen de: US2025279503A1

A battery module including: a battery cell stack in which a plurality of battery cells including electrode leads protruding in mutually opposite directions are stacked; a housing that houses the battery cell stack; a first heat sink and a second heat sink that are located under the bottom part of the housing, and first and second refrigerant flow paths formed between the first heat sink and the bottom part of the housing and between the second heat sink and the bottom part of the housing, respectively. The refrigerant flow path formed by the first heat sink and the refrigerant flow path formed by the second heat sink are separated from each other.

MANUFACTURING METHOD FOR ELECTRICAL ENERGY STORAGE DEVICE

Resumen de: US2025279509A1

A manufacturing method for an electrical energy storage device disclosed herein includes: a preparing step of preparing a plate material that is made of metal and includes a first part forming a first surface of a case, and a pair of second parts extending from the first part and forming a pair of second surfaces of the case; and a wrapping step of disposing an electrode body on the first part of the plate material and bending the plate material so that a distance between the pair of second parts decreases, thereby wrapping the electrode body.

DEAERATION OF TRACTION BATTERY THERMAL MANAGEMENT COOLANT CIRCUITS

Resumen de: US2025279491A1

Thermal management systems are provided for managing the thermal energy levels of a traction battery pack of an electrified vehicle. An exemplary thermal management system may include a gas separator and a reservoir. The gas separator may remove entrained gases (air, vent byproducts, etc.) from a coolant circulated through the system during both normal operating conditions and during battery thermal events that require increased coolant volume and flow rates for mitigating convective heat transfer. The removed gases can be expelled to atmosphere from within the reservoir. A pump for circulating the coolant through the system may be controlled based on a temperature of the coolant exiting the traction battery pack as part of a deaeration control strategy.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025279510A1

A battery cell is disclosed, including a housing, electrode terminals, and a protective member. The housing includes a wall portion and a fastener, where the fastener comprises a connecting portion and a pressing portion that together define a cavity. At least part of the electrode terminals is positioned within the cavity. The protective member includes a first protective portion covering the connecting portion and a second protective portion covering the pressing portion. The second protective portion extends beyond the pressing portion in a first direction. The structure reduces the likelihood of short circuits by shielding the pressing portion, thereby enhancing battery cell reliability.

BINDER FOR DRY-COATED ELECTRODE

Resumen de: US2025279433A1

The present invention relates to a non-fibrillizable binder for a dry-coated electrode, said binder consisting of a fluoropolymer having a melting point between 145° C. and 200° C. measured according to ASTM D3418 and a melt viscosity below 50 kP measured at 230° C. and at a shear rate of 100 s-1 measured according to ASTM D3835. More specifically. the invention relates to a dry-coated electrode for Li-ion battery. The invention also concerns the lithium-ion batteries manufactured by incorporating said electrode.

BATTERY PACK

Resumen de: US2025279506A1

A battery pack includes a housing and battery modules in the housing. Each of the battery modules includes battery cells, a case accommodating the battery cells, a first fire prevention sheet on the case, and a first spacer on the case and configured to separate the first fire prevention sheet from an upper surface of the case.

Improved battery swapping system for electric automobiles and freight vehicles

Resumen de: AU2025200710A1

The present invention provides an improved battery swapping system for electric automobiles and freight vehicles which uses annular cylindrical battery packs instead of a flat-pack or other rectangular shape and uses interlocking battery modules which can be manually assembled and exchanged above ground using varying degrees of mechanical and robotic assistance. The structure offers considerable fire safety improvements including refractory insulation of the battery container and the elimination of the present fire risk on ship transports and the use of air cooling for the battery pack. The battery module segments can utilise varying battery cell types. The present invention provides an improved battery swapping system for electric automobiles and freight vehicles which uses annular cylindrical battery packs instead of a flat-pack or other rectangular shape and uses interlocking battery modules which can be manually assembled and exchanged above ground using varying degrees of mechanical and robotic assistance. The structure offers considerable fire safety improvements including refractory insulation of the battery container and the elimination of the present fire risk on ship transports and the use of air cooling for the battery pack. The battery module segments can utilise varying battery cell types. eb h e p r e s e n t i n v e n t i o n p r o v i d e s a n i m p r o v e d b a t t e r y s w a p p i n g s y s t e m f o r e l e c t r i c a u t o m o b i l e s a n d e b f r e

BATTERY STATE DIAGNOSIS METHOD, BATTERY DIAGNOSIS DEVICE, AND BATTERY DIAGNOSIS SYSTEM

Resumen de: JP2024173205A

To provide a battery status diagnosis method capable of performing highly accurate diagnosis of battery capacity deterioration when diagnosing a battery system that has little voltage change due to changes in the charging state, such as a battery system that uses a LiFePO4-based active material in the positive electrode, and a battery condition diagnostic device.SOLUTION: The battery status diagnosis method is a method for diagnosing the deterioration state of secondary batteries installed in a device includes: a data acquisition step of acquiring voltage data, current data, and temperature data of the secondary battery from a device in operation; a table creation step of creating a table of the capacity deterioration rate and the resistance deterioration rate of the secondary battery based on the acquired data; and a diagnostic step of diagnosing the deterioration state of the secondary battery using the created table.SELECTED DRAWING: Figure 1

LITHIUM RECOVERY FROM SLAGS

Resumen de: AU2024240175A1

Li-bearing slags are typically produced when Li-batteries or their waste are recycled on a smelter. The Li recovery process comprises the steps of: - powdering the metallurgical slag to a particle size distribution having a D50 of less than 100 µm; - contacting, in an aqueous medium, the Li-containing metallurgical slag, and an alkaline Ca-compound, provided in amounts selected to obtain a molar ratio of the Ca in the Ca-compound to Li in the slag of at least 0.75, thereby obtaining a suspension; - heating the suspension to a temperature of more than 80 °C for at least 30 min, thereby obtaining a leached suspension; and, - separating solids from liquids in the leached suspension, thereby obtaining a leach solution containing a major part of the Li, and a solid residue containing Ca. This alkaline leaching process allows for a straightforward recovery of battery-grade LiOH from the leach solution, while consuming less reagents than known acidic leaching processes.

COPPER FOIL AND CURRENT COLLECTOR FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY

Resumen de: US2025279435A1

Provided is an copper foil for lithium ion secondary batteries having two opposite sides, wherein the copper foil has a texture coefficient of crystal plane (220) “TC (220)” of ≥1.36 and a texture coefficient of crystal plane (311) “TC (311)” of ≥0.79. The present disclosure further provides a current collector for lithium ion secondary batteries and a lithium ion secondary battery including the same.

BATTERY MANAGEMENT SYSTEM, BATTERY PACK INCLUDING THE SAME, AND METHOD OF DETECTING CONTACT DEFECT MODULE USING THE SAME

Resumen de: US2025279488A1

Provided are a battery management system and a battery pack including the same. The battery management system includes a plurality of slave managers provided to correspond to a plurality of battery modules, and configured to uniformly adjust cell voltages of a plurality of battery cells of respective battery modules, a master manager configured to detect a battery module having a contact defect therein among the battery modules as a defective module using a voltage deviation that is a difference between a maximum value and a minimum value of the cell voltages, and a data transmitter configured to electrically connect the master manager and the slave managers to enable data exchange.

FREE-STANDING SULFIDE SOLID-STATE ELECTROLYTE MEMBRANES

Resumen de: US2025279468A1

A solid-state electrolyte is provided. The solid-state electrolyte includes a ceramic and a polymer binder. The ceramic includes a sulfide-containing electrolyte, and the polymer binder has a molecular weight of from 50 to 2000 kg/mol. A solid-state battery cell is also provided. The solid-state battery cell includes a casing and a cathode and an anode disposed within the casing. The solid-state battery cell further includes a current collector and a solid-state electrolyte membrane separating the cathode and the anode. The solid-state electrolyte includes a ceramic and a polymer binder disposed within the ceramic. The ceramic includes sulfide-containing electrolyte and the polymer binder has a molecular weight of from 50 to 2000 kg/mol. A method of manufacturing a solid-state electrolyte membrane is further provided.

BATTERY PACK

Resumen de: US2025279501A1

A battery pack may include battery cells; a cooling plate on one side of the battery cells; and an insulation member having an insulation part, a pair of first heat transfer parts on both sides of the insulation part, and a first layer in at least a portion of the first heat transfer part and having a higher thermal conductivity than the insulation part. A temperature deviation between top and bottom portions of an electrode plate inside a cell can be reduced, thereby improving the cooling performance of the cell. In addition, the lifespan of a cell can be extended by improving cooling performance, and the safety of a battery pack can be improved by preventing events such as deterioration and heat generation.

IMMERSION COOLING SYSTEMS AND METHODS FOR TRACTION BATTERY PACK SYSTEMS

Resumen de: US2025279505A1

Immersion cooling systems are provided for managing thermal energy levels within a traction battery pack system. An exemplary immersion cooling system may include a flow control valve that is configured to control a flow of a cooling fluid (e.g., a dielectric fluid) through either a primary closed loop cooling circuit or a secondary closed loop cooling circuit of the immersion cooling system for thermally managing a battery module of a battery pack assembly. A control module may control a position of the flow control valve based at least on a temperature of the cooling fluid exiting the battery pack assembly. When the flow control valve directs the cooling fluid through the secondary closed loop cooling circuit, a portion of the primary closed loop cooling circuit is reserved for providing a dedicated gas exit flow path for expelling battery vent byproducts from the battery pack assembly.

BATTERY MANUFACTURING METHOD AND SYSTEM

Resumen de: US2025278081A1

A battery manufacturing method is applied to the battery manufacturing system. The battery manufacturing system includes a controller and production equipment. The battery manufacturing method includes: during product production by production equipment in any process of a battery production line, obtaining, by the controller, product information, where the production equipment is equipment corresponding to any process in a battery group production line; and in a case that the product information meets a product switching condition, controlling, by the controller, the production equipment to switch to producing a new-model product.

INSULATION RESISTANCE DETECTION DEVICE AND INSULATION RESISTANCE DETECTION METHOD

Resumen de: US2025277834A1

An insulation resistance detection device includes: a voltage measurer that measures a voltage at a first node among a plurality of nodes between a plurality of voltage dividing resistors included in an insulation detection circuit for detecting insulation resistance in a path through which a current from a battery flows; a determiner that determines whether the voltage at the first node measured by the voltage measurer is lower than or equal to a predetermined voltage; and a switcher that switches a state of a switch connected to a second node among the plurality of nodes to cause the voltage measured by the voltage measurer to exceed the predetermined voltage, when the voltage at the first node measured by the voltage measurer is determined to be lower than or equal to the predetermined voltage.

Winding Device

Resumen de: US2025276866A1

The disclosed subject matter provides a winding device that includes a material-placing mechanism, a mounting table, a winding member and a restraining member, wherein the material-placing mechanism is configured to convey a material strip; the winding member includes a winding needle base and a plurality of winding needles provided on the winding needle base, the winding needle base is rotatably provided on the mounting table, with a winding needle gap formed between the plurality of winding needles, such that the material strip passes through; the restraining member is provided outside the winding needle gap and configured to fix the material strip protruding from the winding needle gap with a preset force F1, the winding needle base is configured to drive the winding needle to rotate with a winding tension F2, and F1 is less than F2.

ELECTROCHEMICAL CELL DEVICE, MODULE, AND MODULE HOUSING DEVICE

Resumen de: US2025279455A1

The electrochemical cell device includes a cell, a support body, and a fixing member. The cell has a first end and extends from the first end in a first direction. The support body supports one end portion of the cell including the first end. The fixing member is located between the cell and the support body and is in contact with a first surface of the cell along the first direction and a second direction intersecting the first direction. The first surface includes a contact area in contact with the fixing member and a non-contact area not in contact with the fixing member. The contact area has a second end on the first end side. A length in the first direction from the second end to the non-contact area on a side opposite to the first end is larger at a second part located at an end portion in the second direction than at a first part located at a center portion in the second direction.

ELECTRODE FOR RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY

Resumen de: US2025279561A1

An electrode for a rechargeable battery is provided. The electrode includes a substrate having an electrode uncoated region and an electrode active region. An electrode tab is attached to the electrode uncoated region, and an active material layer is formed on the electrode active region. A tape is disposed between the electrode uncoated region and the electrode tab.

BATTERY SYSTEM WITH COMPENSATOR

Resumen de: US2025279523A1

A battery system includes: a battery cell stack including a plurality of battery cells accommodated in a compartment; and a compensator at an end of the battery cell stack to exert a pressing force on the battery cell stack. The compensator includes a flexible membrane coupled to a membrane carrier to define a variable volume that is configured to be filled with a fluid. The flexible membrane is configured to expand in response to a fluid pressure rising in the compensator and contract in response to the fluid pressure reducing in the compensator.

JELLY ROLL BATTERY CELL, BATTERY, BATTERY ASSEMBLY AND ELECTRIC DEVICE

Resumen de: US2025279554A1

A jelly roll battery cell, a battery, a battery assembly and an electric device. The jelly roll battery cell includes a main body portion and a tab portion; one side of each positive winding portion in one part of positive winding portions is connected to one positive tab, and one side of each positive winding portion in the other part of the positive winding portions is connected to two positive tabs; and/or, one side of each negative winding portion in one part of negative winding portions is connected to one negative tab, and one side of each negative winding portion in the other part of the negative winding portions is connected to two negative tabs.

BATTERY CELL, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025279483A1

A battery cell includes an electrode assembly, where the electrode assembly includes a first separator, a second separator, and multiple electrode plates stacked. The multiple electrode plates include two outer electrode plates located at two ends and multiple inner electrode plates located between the two outer electrode plates. The first separator is disposed between the outer electrode plate and the inner electrode plate adjacent to the outer electrode plate; and the second separator is disposed between adjacent two of the inner electrode plates; where thickness of the first separator is greater than thickness of the second separator.

PROTECTIVE ELEMENT, SET OF COMPONENTS AND METHOD FOR PRODUCING THE PROTECTIVE ELEMENT

Resumen de: US2025279522A1

A protective element for arrangement on a device which emits electromagnetic radiation, wherein the device can be, for example, an at least partially electrically powered motor vehicle, the protective element comprising the following: a shielding layer for shielding against electromagnetic radiation, a plastic layer, and a contacting zone via an electrical contact can be established between the shielding layer and the device.

EQUIPMENT FOR LOADING ADAPTERS, BATTERY PRODUCTION LINE, AND A METHOD FOR LOADING ADAPTERS

Resumen de: US2025276859A1

The equipment for loading adapters includes a frame, a gripping assembly, a positioning disc, and a transfer apparatus. The frame has multiple workstations. The gripping assembly and the positioning disc is arranged on the frame, where the positioning disc has multiple positioning slots, a pair of two positioning slots respectively position the adapter for the positive electrode and the adapter for the negative electrode, and the gripping assembly is configured to grip an adapter carried by the container at the workstation and move the adapter to a corresponding positioning slot, so that a position of the adapter for the positive electrode relative to the adapter for the negative electrode meets loading requirements. The transfer apparatus is arranged on the frame, and is used to pick up the adapters in the positioning slots together and load them to a welding assembly.

ADHESIVE TAPE ATTACHING MECHANISM, ADHESIVE TAPE ATTACHING APPARATUS, AND BATTERY PRODUCTION LINE

Resumen de: US2025276869A1

An adhesive tape attaching mechanism includes: an assembly base; a central adhesive tape suction assembly capable of adsorbing and attaching an adhesive tape to a first surface of a workpiece to be adhered; end adhesive tape suction assemblies arranged on two opposite sides of the central adhesive tape suction assembly, where each of the end adhesive tape suction assemblies includes an end driving member and an end adhesive tape suction member in transmission connection with the end driving member; and an end sliding assembly, disposed on the assembly base, where each of the end adhesive tape suction members is configured to be driven by the end driving member connected thereto, guided by the end sliding assembly to slide toward the central adhesive tape suction assembly for closing, and is capable of adsorbing, bending, and attaching the adhesive tape to a second surface and a third surface of the workpiece, respectively.

STACKING APPARATUS, BATTERY PRODUCTION LINE, AND STACKING METHOD

Resumen de: US2025276860A1

A stacking apparatus configured to stack workpieces into a neat workpiece queue, where the workpiece queue includes a plurality of workpieces. The stacking apparatus includes: a base bracket; a stacking table for carrying at least one workpiece, where the stacking table is arranged on the base bracket; and at least two shapers, where the shapers act in pairs to perform an alignment operation for aligning the workpieces on the stacking table, paired shapers are configured in such a way that at least one of the actions enables the paired shapers to approach or move away from each other along a first direction above the stacking table, and the alignment operation is performed through the approaching action of the shapers, to obtain the neat workpiece queue through stacking.

HIGH-CARBON BIOGENIC REAGENTS AND USES THEREOF

Resumen de: US2025277157A1

This invention provides processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.

THERMAL RUNAWAY PROOF BATTERY CONNECTOR

Resumen de: US2025279515A1

A battery case, connector, and method of forming are provided. The battery case includes, an outer wall, a plurality of first wires internal to the battery enclosure, and a battery connector. The battery connector includes an external connector, a circuit board connected to the external connector on a first side through a hole in the outer wall and connected to the plurality of first wires on a second side opposite the first side, where the circuit board is further bonded to an internal side of the outer wall on a portion of the first side, and a plate bonded to the second side of the circuit board opposite the first side, where the plate completely covers a footprint of the hole in the outer wall through which the external connector attaches to the circuit board, but does not cover connection points for the plurality of first wires.

Multiple-Electron Aqueous Battery

Resumen de: US2025279485A1

The present invention is directed to a hybrid high voltage aqueous electrolyte battery that combines Ni/Mg2NiH4 and Mg-ion rechargeable battery chemistries. The hybrid aqueous electrolyte battery can be used for plug-in hybrid electrical vehicles and electric vehicles.

Asymmetric Battery Having a Semi-Solid Cathode and High Energy Density Anode

Resumen de: US2025279467A1

Embodiments described herein relate generally to devices, systems and methods of producing high energy density batteries having a semi-solid cathode that is thicker than the anode, An electrochemical cell can include a positive electrode current collector, a negative electrode current collector and an ion-permeable membrane disposed between the positive electrode current collector and the negative electrode current collector. The ion-permeable membrane is spaced a first distance from the positive electrode current collector and at least partially defines a positive electroactive zone. The ion-permeable membrane is spaced a second distance from the negative electrode current collector and at least partially defines a negative electroactive zone. The second distance is less than the first distance. A semi-solid cathode that includes a suspension of an active material and a conductive material in a non-aqueous liquid electrolyte is disposed in the positive electroactive zone, and an anode is disposed in the negative electroactive zone.

ELECTROLYTE FOR LITHIUM IRON PHOSPHATE BATTERY, AND LITHIUM IRON PHOSPHATE BATTERY

Resumen de: US2025279473A1

An electrolytic solution for a lithium iron phosphate battery, and a lithium iron phosphate battery. The electrolytic solution includes a solvent, a lithium salt, a first additive and a second additive.

WIDE OPERATING TEMPERATURE RANGE SECONDARY LITHIUM-ION BATTERIES

Resumen de: US2025279472A1

A wide operating temperature range secondary lithium-ion battery designed is provided. The battery incorporates a cathode with lithium-based materials, including lithium manganese oxide, lithium cobalt oxide, lithium nickel manganese cobalt oxide, or lithium iron phosphate, and an anode with materials such as silicon, silicon oxide, carbon nanotubes, lithium metal, graphene, or graphite. A porous polymer separator, with porosity ranging from approximately 30% to 90%, ensures efficient ion transport. The non-aqueous electrolyte is composed of two or more lithium salts, including LiPF6, and a solvent mixture of carbonates and carboxylate esters with an asymmetric molecule structure. An electrolyte additive is introduced to synergistically react with the electrolyte solvents, forming a stable solid electrolyte interphase enriched with inorganic lithium components, surpassing organic lithium components. This battery configuration results in a lithium-ion battery with an extended operating temperature range from −35° C. to 85° C. for reliable energy storage under varying environmental conditions.

ELECTRIC VEHICLE WITH AN ELECTRIC POWERPACK ARRANGEMENT

Resumen de: US2025276756A1

A straddle seat electric vehicle including an electric motor and an electric powerpack including a battery pack including a battery housing including a housing body, a cooling channel extending generally vertically through a center portion of the housing body, two covers selectively connected to the housing body; a plurality of cylindrical battery cells disposed in a two chambers defined by the housing laterally between the cooling channel and the first cover, each battery cell of the first plurality of battery cells extending generally orthogonally to the cooling channel and the first cover; one or more current collectors electrically connected to the first plurality of battery cells, the covers enclosing the current collectors and outer ends of the battery cells being electrically insulated from the at least one first current collector.

POLYMER AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025277075A1

The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R1, R12, and R13 each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.

POLYMER AND PREPARATION METHOD THEREOF, SEPARATOR, ELECTRODE PLATE, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025277100A1

A polymer includes an organic polymer and an inorganic compound. Polymerization monomers of the organic polymer include a first monomer and a second monomer. A structural formula of the first monomer includes:where, R1 includes a hydrogen atom or a C1 to C6 alkyl group; R2 includes a hydrogen atom, a substituted or unsubstituted C1 to C21 alkyl group, a C3 to C6 cycloalkyl group, and a substituted or unsubstituted isobornyl group; and a substituent in the substituted C1 to C21 alkyl group includes a hydroxyl group; and the second monomer includes an alkenyl group.

THERMALLY CONDUCTIVE COMPOSITION AND THERMALLY CONDUCTIVE MEMBER

Resumen de: US2025277112A1

The thermally conductive composition of the present invention includes a liquid polymer, a thermally conductive filler and a structural viscosity imparting agent, wherein the thermally conductive composition has a viscosity ratio (η1/η3) between a viscosity η1 measured by a rheometer under conditions of a measurement temperature of 25° C. and a shear rate of 0.00252 (1/s) and a viscosity η3 measured by a rheometer under conditions of a measurement temperature of 25° C. and a shear rate of 0.05432 (1/s) of more than 10. The present invention can provide a thermally conductive composition in which sedimentation of the thermally conductive filler is suppressed in storage and which has excellent handling properties in use.

POLYURETHANE COMPOSITE, LAMINATED PRODUCT COMPRISING THE POLYURETHANE COMPOSITE AND PROCESS FOR PRODUCING THE SAME

Resumen de: US2025277093A1

Disclosed herein are a novel polyurethane (PU) composite, a process for producing the PU composite and a covering article containing the PU composite. The PU composite includes 35 to 75 wt % reinforced fiber and 25 to 65 wt % polyurethane foam, based on the total weight of the PU composite, where the reinforced fiber includes 75 to 100 wt % of the reinforced fiber in a continuous phase form and 0 to 25 wt % of the reinforced fiber in a discontinuous phase form, based on the total weight of reinforced fiber. Further disclosed are a laminated product including at least one thermal insulating layer and at least two polyurethane composites arranged on each side of the thermal insulating layer, a process for producing the laminated product and a covering article for battery system containing the laminated product.

CYLINDRICAL BATTERY AND ELECTRIC DEVICE

Resumen de: US2025279552A1

A cylindrical battery includes a housing, an electrode assembly, and a current collector plate. The electrode assembly and the current collector plate are accommodated in the housing, and the electrode assembly includes a flattened surface, the flattened surface being provided at an end of the electrode assembly. The current collector plate includes a substrate and a bending portion interconnected. The bending portion are configured to bend towards the substrate, and the substrate is connected to the flattened surface. The substrate includes an axial hole and a plurality of through holes spaced apart from each other and running through the substrate. Along a thickness direction of the substrate, a projection area of the substrate is S1, and a sum of projection areas of the plurality of the through holes is S2, where 4%≤S2/S1≤16%.

CLAMPING APPARATUS, BATTERY PRODUCTION LINE AND TRANSFER METHOD

Resumen de: US2025279459A1

A clamping apparatus, includes: a support assembly including a first driving module and clamping mechanisms disposed on the support assembly and including at least one first clamping mechanism and at least one second clamping mechanism arranged along a first direction. When the clamping apparatus is in a first state, an opening direction of a clamping opening of the first clamping mechanism faces away from the second clamping mechanism. When the clamping apparatus is in a second state, the opening direction of the clamping opening of the first clamping mechanism faces towards the second clamping mechanism. The opening direction of the clamping opening of the first clamping mechanism is consistent with an opening direction of a clamping opening of the second clamping mechanism. The first driving module drives the first clamping mechanism to rotate, such that the clamping apparatus switches between the first state and the second state.

LITHIUM SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279431A1

A lithium secondary battery includes a positive electrode plate and a negative electrode plate; the lithium content per unit area on a single side surface of the positive electrode plate is denoted as Wa in g/m2; the lithium content per unit area on a single side surface of the negative electrode plate is denoted as Wc in g/m2; the reversible capacity per unit area on the surface of the side of the negative electrode plate facing towards the positive electrode plate is denoted as Da in mAh/m2; the first lithiation capacity per unit area on the surface of the side of the negative electrode plate facing away from the positive electrode plate is denoted as Ca in mAh/m2; and the lithium secondary battery meets the following conditions:70⁢%≤C⁢1×(Wa+Wc)Da≤90⁢%,and/or,63⁢%≤C⁢1×(Wa+Wc)Ca≤81⁢%,wherein C1 is the theoretical capacity, 3,861 mAh/g, of lithium metal.

SEPARATOR, PREPARATION METHOD THEREFOR, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: US2025279547A1

A separator is provided, comprising a first porous base film, a second porous base film, and a porous coating positioned between the first and second porous base films. The porous coating includes a binder and filler particles. At least a portion of the filler particles is embedded into the first porous base film and/or the second porous base film to a depth of at least 1 μm. The binder facilitates adhesion between the porous coating and the base films. The embedding of filler particles enhances the bonding strength between the porous coating and the base films, which in turn improves the separator's thermal stability and resistance to nail penetration. These improvements contribute to enhanced safety and reliability of the battery incorporating the separator.

ELECTROCHEMICAL REACTOR CELL

Resumen de: US2025276918A1

Copper—boron—ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ⋅OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ⋅OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ⋅OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.

DROPLET FLOW-ASSISTED ELECTRO-FENTON REACTOR SYSTEM

Resumen de: US2025276919A1

Copper-boron-ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ·OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ·OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ·OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.

HYDROGEN PEROXIDE GENERATION SYSTEM

Resumen de: US2025276920A1

Copper-boron-ferrite (Cu—B—Fe) composites may be prepared and immobilized on graphite electrodes in a silica-based sol-gel, e.g., from rice husks. Different bimetallic loading ratios can produce fast in-situ electrogeneration of reactive oxygen species, H2O2 and ·OH, e.g., via droplet flow-assisted heterogeneous electro-Fenton reactor system. Loading ratios of, e.g., 10 to 30 wt. % Fe3+ and 5 to 15% wt. Cu2+, can improve the catalytic activities towards pharmaceutical beta blockers (atenolol and propranolol) degradation in water. Degradation efficiencies of at least 99.9% for both propranolol and atenolol in hospital wastewater were demonstrated. Radicals of ·OH in degradation indicate a surface mechanism at inventive cathodes with correlated contributions of iron and copper. Copper and iron can be embedded in porous graphite electrode surface and catalyze the conversion of H2O2 to ·OH to enhance the degradation. Inventive cathodes can be stable catalytically after 20 or more cycles under neutral and acidic conditions.

1,1,1,5,5,5-HEXAFLUORO-3-(2,2,2-TRIFLUOROETHOXY)-2-PENTENE AND USES AND PRODUCTION METHOD THEREOF

Resumen de: US2025276948A1

Provided are a novel compound, 1,1,1,5,5,5-hexafluoro-3-(2,2,2-trifluoroethoxy)-2-pentene, and uses thereof and a method for producing this novel compound. According to the present invention, 1,1,1,5,5,5-hexafluoro-3-(2,2,2-trifluoroethoxy)-2-pentene is provided. This novel compound can be produced, for example, by reacting 1,1,1,5,5,5-hexafluoro-3-chloro-2-pentene with 2,2,2-trifluoroethanol in the presence of a base. This novel compound is also useful as an additive in a nonaqueous electrolytic solution for a secondary battery.

LITHIUM SECONDARY BATTERY

Resumen de: US2025279481A1

Disclosed is a lithium secondary battery (10) including a positive electrode (11), a negative electrode (12), and a non-aqueous electrolyte having lithium ion conductivity. In the negative electrode (12), lithium metal is deposited during charging, and the lithium metal is dissolved in the non-aqueous electrolyte during discharging. The non-aqueous electrolyte includes a solvent and a lithium salt. The solvent includes a non-fluorinated ether and a fluorinated cyclic monoether. The fluorinated cyclic monoether includes a cyclic structure having one ether bond. The lithium salt includes an anion of an oxalate complex.

SECONDARY BATTERY

Resumen de: US2025279556A1

A secondary battery includes an electrode assembly including a cathode and an anode, a case in which the electrode assembly is housed, and a cap assembly which covers the case. The cap assembly includes a cap plate which covers the case and includes a terminal hole formed therein, a gasket disposed on the cap plate around the terminal hole, and a rivet which is inserted into the terminal hole to be coupled to the cap plate through the gasket, and includes a first protrusion part inserted into an upper portion of the gasket.

IMPROVED ELECTRIC BATTERY ASSEMBLY

Resumen de: US2025279557A1

An electric battery assembly is disclosed comprising: a battery cell having an exterior housing and first and second electrical terminals enabling power to be drawn from the battery cell, the housing being electrically coupled to the first electrical terminal and electrically insulated from the second electrical terminal; an electronic unit comprising a measurement device; and wherein the electronic unit is electrically connected to the second electrical terminal and to the housing, thereby electrically coupling the electronic unit to the first battery cell terminal via the housing, enabling the measurement device to measure a property of the battery cell.

TRAY, CLAMPING METHOD, AND BATTERY PRODUCTION LINE

Resumen de: US2025279460A1

A tray is provided with a carrying region for carrying at least one workpiece. The tray includes a base plate, a fixing plate, and a clamping assembly. The fixing plate is arranged on a side of the base plate along a first direction and configured to block the workpiece. The clamping assembly includes two first clamping pieces and at least one second clamping piece. The two first clamping pieces extend along the first direction and are spaced apart on two opposite sides of the base plate in a manner of moving towards each other along a second direction. The second clamping piece is arranged on a side opposite the fixing plate and located between the two first clamping pieces. The second clamping piece is configured to be capable of moving towards or away from the fixing plate along the first direction; and the first direction intersects with the second direction.

SOLID-STATE SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: US2025279482A1

A solid-state secondary battery according one embodiment of the present invention includes an electrode laminate that includes a positive electrode layer, a negative electrode layer, and a solid electrolyte layer laminated between the positive electrode layer and the negative electrode layer, and an insulating frame placed on side surfaces of the positive electrode layer with a gap between the positive electrode layer and the insulating frame, in which at least a portion of the insulating frame is pressed in a laminating direction of the electrode laminate and is spread toward a side of the positive electrode layer.

IONIC LIQUID ELECTROLYTES FOR LITHIUM BATTERIES

Resumen de: US2025279480A1

An electrochemical cell includes a cathode of oxygen or a metal oxide; an anode comprising lithium metal; and an electrolyte including a lithium sulfonylimide salt, a terminally fluorinated glycol ether, and an ionic liquid.

POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR RECYCLING POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: US2025276911A1

The present disclosure relates to a positive electrode active material and a recycling method thereof. In the positive electrode active material and a recycling method thereof, the positive electrode active material is at least one type selected from a lithium nickel oxide (LNO)-based positive electrode active material, a nickel-cobalt-manganese (NCM)-based positive electrode active material, a nickel-cobalt-aluminum (NCA)-based positive electrode active material and a nickel-cobalt-manganese-aluminum (NCMA)-based positive electrode active material, in which single particles are included, a content of F is about 5,700 mg/kg to 6,500 mg/kg, an a-axis lattice parameter measured by an XRD analysis is about 2.8753 Å to 2.8772 Å, a c-axis lattice parameter is about 14.243 Å to 14.255 Å, a cell volume is about 101.968 Å3 to 102.168 Å3 and a crystallite size is greater than about 130 nm and equal to or less than 136 nm.

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025276913A1

The present application provides a positive electrode active material, a preparation method therefor, a secondary battery, and an electrical apparatus. The chemical formula of the positive electrode active material is LiaNixCoyM1−x−yO2, where M comprises one or more of Mn, Al, B, Zr, Sr, Y, Sb, W, Ti, Mg and Nb, 0.55≤x≤1.0, 0≤y≤0.45, 0.8≤a≤1.2, the positive electrode active material being a hollow structure, and the inner diameter d1 of the hollow structure being 0.3 μm-5 μm.

METHOD FOR PRODUCING NICKEL-RICH CATHODE ACTIVE MATERIAL AND METHOD FOR PRODUCING CATHODE ELECTRODE

Resumen de: US2025276912A1

To provide: a range of gas mixture compositions that make it possible to hinder Li/Ni cation mixing and transition metal peroxidation; and a method for producing a nickel-rich cathode active material, comprising a firing process using the gas mixtures. The method for producing a nickel-rich cathode active material comprises a firing step, in which a cathode precursor containing at least a predetermined amount of nickel, and a metal oxide solid raw material containing lithium raw material, are fired in a reactor having an atmosphere comprising a gas mixture containing oxygen in the range of 94% by volume to 98% by volume. The oxygen content of the gas mixture is preferably 95% by volume to 97% by volume.

SYSTEMS AND METHODS FOR THE RECYCLING OF LITHIUM FROM BATTERY WASTE

Resumen de: US2025276907A1

Embodiments described herein relate to recycling of spent lithium battery material. In some aspects, a method can include suspending a lithium source in a solvent containing an oxidation reagent to extract lithium, forming an extracted lithium solution, separating the extracted lithium solution from residual solids of a lithium source, purifying the extracted lithium solution by precipitating and filtering impurities, and precipitating the lithium in the purified lithium solution to generate lithium carbonate (Li2CO3). In some embodiments, the method can further include preprocessing the lithium source to improve kinetics of the lithium extraction. In some embodiments, the preprocessing can include a cutting or shredding step to downsize the lithium source. In some embodiments, the lithium source can include lithium-ion battery waste. In some embodiments, the oxidation reagent can include sodium persulfate (Na2S2O8), potassium persulfate (K2S2O8), ammonium persulfate (NH4)2S2O8, hydrogen peroxide (H2O2), ozone (O3), and/or nitrous oxide (N2O).

METHOD FOR PRODUCING LGPS-BASED SOLID ELECTROLYTE, AND METHOD FOR PRODUCING ALL-SOLID-STATE BATTERY

Resumen de: US2025279469A1

A method for producing an LGPS-based solid electrolyte includes: preparing Li3PS4 powder, or producing Li3PS4 powder from at least Li2S and P2S5; and removing impurities in the Li3PS4 powder by adding, to the Li3PS4 powder, a solvent in which sulfur is contained in an amount of 0.1-1.75 mass % in an organic solvent.

BATTERIES, AND ASSOCIATED SYSTEMS AND METHODS

Resumen de: US2025279558A1

Batteries including electrochemical cells, associated components, and arrangements thereof are generally described. In some aspects, batteries with housings that undergo relatively little expansion and contraction even in cases where electrochemical cells in the battery undergo a relatively high degree of expansion and contraction during charging and discharging are provided. Batteries configured to apply relatively high magnitudes and uniform force to electrochemical cells in the battery, while in some cases having high energy densities and a relatively low pack burden, are also provided. In certain aspects, arrangements of electrochemical cells and associated components are generally described. In some aspects, thermally conductive solid articles that can be used for aligning components of the battery are described. In some aspects, thermally insulating and compressible components for battery packs are generally described.

CELL FEEDING SYSTEM AND METHOD, CELL GROUPING SYSTEM AND METHOD, AND OPERATION SYSTEM

Resumen de: US2025279458A1

A cell feeding method includes: controlling a first conveyor line to convey inflowing cells to a first material fetching position; controlling a second conveyor line to convey inflowing cells to a second material fetching position; controlling a third conveyor line to convey inflowing cells to a side taping station, and conveying the cells subjected to side taping treatment to a third material fetching position; controlling a first feeding and grabbing mechanism to grab a first number of cells from a first material fetching position to a first feeding area in the feeder position; and controlling a second feeding and grabbing mechanism to grab a first number of cells from a target material fetching position to a second feeding area in the feeder position.

CID Filter and Secondary Battery Comprising the Same

Resumen de: US2025279559A1

According to one aspect of the present invention, a body part of a CID filter of a secondary battery has a main through-hole and an auxiliary through-hole defined therein. The auxiliary hole is positioned between a CID gasket and an area of the CID filter that is electrically connected to an electrode tab.

ELECTRODE ASSEMBLY FOR SECONDARY BATTERY

Resumen de: US2025279560A1

An electrode assembly for a secondary battery having improved safety is provided. According to the embodiments of the present disclosure, a front end and a rear end of a positive electrode plate may be insulated from each other to prevent a short circuit from occurring due to deformation of a front end of the negative electrode plate. A rear end of the negative electrode plate may be insulated to prevent a short circuit between the negative electrode plate and the positive electrode plate. An additional insulating tape may be provided on the rear end of the negative electrode plate to prevent defects due to Z-shaped deformation of the negative electrode plate from occurring.

SILICON-BASED NEGATIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025276904A1

A silicon-based negative electrode active material comprises Si and MSiO3, where M comprises one or more alkaline earth metal elements. An XRD diffraction pattern of the silicon-based negative electrode active material has a first diffraction peak at a diffraction angle 2θ between 26° and 26.8° with a half peak width of βA, and a second diffraction peak at a diffraction angle 2θ between 31° and 32° with a half peak width of βB. The silicon-based negative electrode active material satisfies 1.5≤βA/βB≤ 5.0.

ENTLÜFTUNG VON WÄRMEMANAGEMENTKÜHLMITTELKREISLÄUFEN EINER TRAKTIONSBATTERIE

Resumen de: DE102025107363A1

Es sind Wärmemanagementsysteme für das Management der Wärmeenergieniveaus eines Traktionsbatteriepacks eines elektrifizierten Fahrzeugs bereitgestellt. Ein beispielhaftes Wärmemanagementsystem kann einen Gasabscheider und einen Behälter beinhalten. Der Gasabscheider kann Gaseinschlüsse (Luft, Entlüftungsnebenprodukte usw.) aus einem Kühlmittel entfernen, das sowohl während normaler Betriebsbedingungen als auch während Batteriewärmeereignissen, die ein erhöhtes Kühlmittelvolumen und Strömungsraten zum Abschwächen der konvektiven Wärmeübertragung erfordern, durch das System zirkuliert wird. Die entfernten Gase können aus dem Behälter in die Atmosphäre ausgestoßen werden. Eine Pumpe zum Zirkulieren des Kühlmittels durch das System kann auf Grundlage einer Temperatur des Kühlmittels, das aus dem Traktionsbatteriepack austritt, als Teil einer Entlüftungssteuerstrategie gesteuert werden.

KÜHLPLATTE FÜR BATTERIEGEHÄUSE

Resumen de: DE102024126623A1

Bereitgestellt wird eine Kühlplatte (1) für ein Batteriegehäuse (3). Die Kühlplatte (1) ist in Gestalt einer Platte ausgebildet und weist eine erste Fläche (S1) und eine zweite Fläche (S2), welche parallel zueinander sind, und die Kühlplatte (1) weist einen Kühlungsströmungskanal (9), welcher dazu eingerichtet ist, das Strömen von Kältemittel im Inneren zu ermöglichen, auf, und der Kühlungsströmungskanal (9) weist, basierend auf einem zentralen Abschnitt (CL) zwischen der ersten Fläche (S1) und der zweiten Fläche (S2) eine erste Strömungsquerschnittsfläche auf einer Seite nahe der ersten Fläche (S1) und eine zweite Strömungsquerschnittsfläche auf der anderen Seite nahe der zweiten Fläche (S2) auf, wobei die beiden Strömungsquerschnittsflächen voneinander verschiedene Konfigurationen haben.

VERFAHREN FÜR DIE FAHRZEUGINTERNE ZUSTANDSSCHÄTZUNG HINSICHTLICH SPANNUNGSSCHWUND

Resumen de: DE102024112233A1

Ein Fahrzeug enthält ein System, das ein Verfahren zum Betreiben des Fahrzeugs ausführt. Ein Prozessor erhält einen Anfangs-Spannungsschwundzustand einer Batterie des Fahrzeugs und ein Modell eines Anfangszustands der Batterie des Fahrzeugs, beginnt eine Ladeoperation der Batterie, misst eine Klemmenspannung der Batterie während des Ladens, aktualisiert das Modell während der Ladeoperation unter Verwendung der Klemmenspannung, beendet die Ladeoperation, erhält Messwerte einer Katodenspannung nach Beenden der Ladeoperation, bestimmt aus den Messwerten eine maximalen Katodenspannung, bestimmt auf der Grundlage der maximalen Katodenspannung einen aktualisierten Spannungsschwundzustand der Batterie, wählt auf der Grundlage des aktualisierten Spannungsschwundzustands eine Beziehung zwischen der Katodenspannung und dem Lithiierungszustand aus, berechnet aus der maximalen Katodenspannung unter Verwendung der ausgewählten Beziehung einen Zustand der Lithiierung einer Katode und betreibt das Fahrzeug auf der Grundlage des aktualisierten Spannungsschwundzustands.

Hybride Batteriekühlung für DC-Schnellladen

Resumen de: DE102024201887A1

Kühlsystem (1000; 2000; 3000) für eine Traktionsbatterie (400) eines batteriebetriebenen Fahrzeugs, mit einem ersten Kühlkreislauf (700) mit einem ersten Wärmeübertrager (270), mit einem ersten Kühlmittel-Massenstrom (800, 810, 820) und einer ersten Fördereinrichtung (300) für das Kühlmittel im ersten Kühlkreislauf (700) und einem zweiten Wärmeübertrager (200) und einer zweiten Fördereinrichtung (320) für das Kühlmittel im ersten Kühlkreislauf (700), einem zweiten Kühlkreislauf (900), dadurch gekennzeichnet, dass eine spezifische Softwarekomponente (620), die anhand von aktuellen Umgebungs- und Betriebsbedingungen des batteriebetriebenen Fahrzeugs den ersten Kühlmittel-Massenstrom (800, 810, 820) durch Verstellung der ersten Fördereinrichtung (300) und/oder der zweiten Fördereinrichtung (320) in einen ersten Kühlmittel-Massenteilstrom (810) und einen zweiten Kühlmittel-Massenteilstrom (820) aufteilt, so dass die Traktionsbatterie (400) maximal gekühlt wird.

Stromspeicherzelle mit zwischen Anode und Kathode angepasstem in-plane Elektrolyt-Porendurchflusswiderstand

Resumen de: DE102024105916A1

Die Erfindung betrifft eine Stromspeicherzelle, ausgebildet als Lithium-Ionen-Speicherzelle oder Natrium-Ionen-Speicherzelle, umfassend eine Anode, eine Kathode, einen zwischen der Anode und der Kathode befindlichen Separator und eine Elektrolytlösung, die in Poren der Anode, Kathode und des Separators angeordnet ist, wobei das Verhältnis von Rp,Anode,in-plane/Rp,Kathode,in-planeeinen Wert im Bereich von 0,5 bis 1,1, bevorzugt im Bereich von 0,8 bis 1,0 aufweist, wobei Rp,Anode,in-planeder in-plane-Porendurchflusswiderstand für die Elektrolytlösung in der Anode ist und dem Quotient aus Porosität der Anode und in-plane-Permeabilität für die Elektrolytlösung in der Anode entspricht und Rp,Kathode,in-planeder in-plane-Porendurchflusswiderstand für die Elektrolytlösung in der Kathode ist und dem Quotient aus Porosität der Kathode und der in-plane-Permeabilität für die Elektrolytlösung in der Kathode entspricht. Eine derartige Stromspeicherzelle weist eine gegenüber herkömmlichen Stromspeicherzellen verringerte Alterung auf.

Vorrichtung zur Kühlung einer Batterie, die Vorrichtung umfassende Batterie, die Batterie umfassendes Fahrzeug

Resumen de: DE102024105939A1

Vorrichtung zur Kühlung der Batterie (100), insbesondere einer Hochvoltbatterie, wobei die Vorrichtung ein Gehäuse (101), und eine Verschlussplatte (103) umfasst, wobei im Gehäuse (101) eine Trennebene (109) angeordnet ist, wobei die Trennebene (109) im Gehäuse (101) einen Zulauf (112) in dem sich ein Kühlmedium zur Kühlung der Batterie (100) in einer Zulaufströmrichtung bewegen kann, von einem Ablauf (113) trennt, in dem sich das Kühlmedium in einer Ablaufströmung bewegen kann, wobei zwischen der Trennebene (109) und der Verschlussplatte (103) ein Sammler (110) für das Kühlmedium angeordnet ist, wobei die Trennebene (109) auf einer der Verschlussplatte (103) zugewandten Seite der Trennebene (109) eine Wand (114) aufweist, wobei die Wand (114) als eine Stirnseite zur Kontaktierung des Sammlers (110) ausgebildet ist, wobei die Wand (114) den Zulauf (112) vom Ablauf (113) trennt, oder wobei der Sammler (110) in die Verschlussplatte (103) oder in die die Wand (114) integriert oder mit der Verschlussplatte (103) oder der Wand (114) zusammengefasst ist. Die Vorrichtung umfassende Batterie (100). Die Batterie (100) umfassendes Fahrzeug. Verfahren zur Herstellung der Batterie (100).

Verfahren zur Herstellung einer funktionellen Schichtanordnung für eine Festkörperbatterie

Resumen de: DE102024105841A1

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung einer funktionellen Schichtanordnung für eine Festkörperbatterie, eine funktionelle Schichtanordnung herstellbar durch das Verfahren, und eine Festkörperbatterie umfassend die funktionelle Schichtanordnung.

Kühlmittelleitungselement, Stanzlayout und Hochvoltbatterie

Resumen de: DE102024106106A1

Die Erfindung betrifft ein Kühlmittelleitungselement (300) für eine Hochvoltbatterie, insbesondere für den Einsatz in einem Elektrofahrzeug, umfassend ein erstes Teilelement (220) und ein zweites Teilelement (240), wobei das erste Teilelement (220) zumindest eine Mehrzahl von ersten Stegen (120) umfasst und zwei in einem ersten Abstand (D1) zueinander angeordnete Stege (120) jeweils einen Kühlmittelleitungskanal (125) zur Durchströmung mit einem Kühlmittel (400) bilden, wobei das zweite Teilelement (240) zumindest eine Mehrzahl von zweiten Stegen (140) umfasst und zwei in einem zweiten Abstand (D2) zueinander angeordnete Stege (140) jeweils einen Kühlmittelleitungskanal (145) zuKühlmittel Durchströmung mit dem Kühlmittel (400) bilden, wobei die ersten Stege (120) und die zweiten Stege (140) in einem Stanzvorgang aus einem Stanzteil (150) in einer Form entsprechend einem Stanzlayout (100) ausgestanzt wurden, wobei das Stanzlayout (100) zumindest die ersten Stege (120) und Zwischenräume (110) zwischen den ersten Stegen (120) umfasst, und wobei die Zwischenräume (110) zumindest teilweise die zweiten Stege (140) für die Kühlmittelleitungskanäle (145) des zweiten Teilelements (240) bilden.

BATTERIEPACK, DER EINE KAPPE BEINHALTET, DIE DAZU KONFIGURIERT IST, KARTUSCHENBAUGRUPPEN ZU STÜTZEN, DIE MITTEL ENTHALTEN

Resumen de: DE102025107364A1

Die in dieser Schrift beschriebenen Techniken betreffen eine Traktionsbatteriepackbaugruppe, die eine Gehäusebaugruppe beinhaltet, die einen Innenbereich und einen Zellstapel innerhalb des Innenbereichs bereitstellt. Der Zellstapel beinhaltet eine Vielzahl von Batteriezellen, die entlang einer Zellstapelachse angeordnet sind. Jede Batteriezelle beinhaltet mindestens eine Anschlusslasche, die von der Zellstapelachse nach außen hervorsteht. Ferner sind eine Kappe und eine Vielzahl von Fingern beinhaltet, die von der Kappe hervorstehen. Jeder der Finger ist voneinander beabstandet, um mindestens einen Schlitz bereitzustellen, der einen Abschnitt der mindestens einen Anschlusslasche aufnimmt. Jeder der Vielzahl von Fingern wird durch eine Kartuschenbaugruppe bereitgestellt. Jede der Kartuschenbaugruppen enthält Mittel und ist dazu konfiguriert, die Mittel als Reaktion auf ein Wärmeereignis in der Nähe der jeweiligen Kartuschenbaugruppe freizusetzen.

VIELSEITIGE BODENKÜHLUNG FÜR EIN WIEDERAUFLADBARES ENERGIESPEICHERSYSTEM

Resumen de: DE102024111910A1

Ein Fahrzeug umfasst ein Fahrzeugfahrwerk, das durch vier Räder getragen wird. Mindestens ein Elektromotor liefert ein Antriebsdrehmoment für mindestens eines der vier Räder. Ein wiederaufladbares Energiespeichersystem wird durch das Fahrzeugfahrwerk getragen und stellt für den Elektromotor Elektrizität bereit. Das wiederaufladbare Energiespeichersystem umfasst ein Gehäuse und mehrere Batteriezellen, die innerhalb des Gehäuses angeordnet sind. Eine Basis des Gehäuses umfasst eine stranggepresste Aluminiumbodenanordnung mit Flüssigkeitskühlkanälen, die durch die Aluminiumbodenanordnung verlaufen, und Luftkühlrippen, die sich von einer Unterseite der stranggepressten Aluminiumbodenanordnung erstrecken.

BATTERIEPACK, BATTERIEMODUL, BATTERIEZELLE UND VERFAHREN ZUR HERSTELLUNG EINER BATTERIEZELLE

Resumen de: DE102024130391A1

Die vorliegende Erfindung betrifft ein Batteriemodul (22) mit mindestens zwei Batteriezellen (12) mit jeweils einer Grundfläche (14), die einem sechseckig abgeflachten Kreis entspricht, und einem Seitenbereich (16), die sechs durch die Grundfläche (14) vorgegebene abgeflachte Zonen (18) aufweist, und zwei der mindestens zwei Batteriezellen (12) über eine der abgeflachten Zonen (18) ihrer Seitenbereiche (16) miteinander in Kontakt stehen, wobei die Batteriezellen (12) so angeordnet sind, dass die beiden in Kontakt stehenden abgeflachten Zonen (18) kongruent angeordnet sind, so dass durch den Kontakt eine mechanische Stabilität des Batteriemoduls (22) und eine wabenförmige Anordnung der Batteriezellen (12) konfiguriert werden. Weiterhin betrifft die Erfindung eine Batteriezelle (12) und ein Verfahren zur Herstellung der Batteriezelle (12).

Wasserhaltige Batterie

Resumen de: DE102025105205A1

Es wird ein neues aktives Material offenbart, das in einer wasserhaltigen Batterie eingesetzt werden kann. Die wasserhaltige Batterie der vorliegenden Offenbarung umfasst eine positive Elektrode, eine wässrige Elektrolytlösung und eine negative Elektrode. Die positive Elektrode umfasst ein aktives Material der positiven Elektrode, und die negative Elektrode umfasst ein aktives Material der negativen Elektrode. Das aktive Material der positiven Elektrode, das aktive Material der negativen Elektrode oder beide umfasst/umfassen ein Mischoxid. Das Mischoxid enthält Na, mindestens ein Übergangsmetallelement aus Fe, Ti, Ni und Mn, und O. Die wässrige Elektrolytlösung enthält Wasser und in dem Wasser gelöstes Kaliumpolyphosphat.

Elektrische Anschlusseinrichtung und Batteriezellenmodul

Resumen de: DE102024105802A1

Die Erfindung betrifft eine Anschlusseinrichtung (2), insbesondere für ein Batteriezellenmodul (1), welche im Bereich einer Öffnung (8) einer Wand (9) einsetzbar ist, mit einem Innenteil (6) und mit einem Außenteil (7), wobei das Innenteil (6) auf einer Innenseite der Wand (9) anordenbar ist und wobei das Außenteil (7) auf der Außenseite der Wand (9) anordenbar ist, wobei das Innenteil (6) durch die Öffnung (8) mit dem Außenteil (7) verbindbar ist, wobei das Innenteil (6) mittig ein elektrisches Kontaktelement (10) aufweist und das Außenteil (7) als ringartiges Element mit zentraler Aussparung (11) ausgebildet ist, um Zugang zu dem elektrischen Kontaktelement (10) durch die zentrale Aussparung (11) zu erlauben, wobei das Innenteil (6) ein erstes Gewinde (12) und das Außenteil (7) ein zweites Gewinde (13) aufweist, derart, dass das Außenteil (7) mit seinem zweiten Gewinde (13) in das Innenteil (6) mit seinem ersten Gewinde (12) einschraubbar ist, wobei das Innenteil (6) einen ersten Randbereich (14) aufweist und das Außenteil (7) einen zweiten Randbereich (15) aufweist, wobei ein Umfangsrand (16) der Wand (9) um die Öffnung (8) zwischen dem ersten Randbereich (14) und dem zweiten Randbereich (15) aufnehmbar ist. Auch betrifft die Erfindung ein Batteriezellenmodul (1) mit zumindest einer Anschlusseinrichtung (2).

Batterie für ein Kraftfahrzeug mit verbesserter Herstellungs- und/oder Demontagemöglichkeit, Verfahren zum Demontieren einer Batterie und Verfahren zum Herstellen einer Batterie

Resumen de: DE102024105844A1

Die Erfindung betrifft eine Batterie (10) für ein Kraftfahrzeug, die ein erstes Batteriebauteil (38; 14) mit einer ersten Anbindungsoberfläche (38a'; 14a), eine Kühlplatte (22) mit einer ersten Kühloberfläche (22a, 22b), und eine zwischen der Kühlplatte (22) und dem ersten Batteriebauteil (38; 14) angeordnete, ausgehärtete, flächige erste Anbindungsschicht (50; 34) aufweist. Dabei ist zwischen der ersten Anbindungsschicht (50; 34) und der Kühlplatte (22) eine elektrische erste Heizschicht (40; 42) angeordnet, die in einem durch ein Bestromen der ersten Heizschicht (40; 42) aktivierbaren Heizbetrieb dazu ausgelegt ist, Wärme abzugeben.

FLÜSSIGKÜHLMITTELLEITEINRICHTUNGEN FÜR EINEN BATTERIEPACK UND VERFAHREN ZUM LEITEN VON FLÜSSIGKÜHLMITTEL

Resumen de: DE102025107797A1

Eine Traktionsbatteriepackbaugruppe beinhaltet eine Vielzahl von Batteriezellengruppen, die entlang einer Zellenstapelachse eines Zellenstapels angeordnet ist. Jede der Batteriezellengruppen beinhaltet zumindest eine Batteriezelle. Eine Vielzahl von Flüssigkeitsleiteinrichtungen ist dazu konfiguriert, ein Flüssigkühlmittel axial zwischen den Batteriezellengruppen zu leiten. Die Batteriezellengruppen sind durch zumindest einige der Flüssigkeitsleiteinrichtungen innerhalb der Vielzahl von Flüssigkeitsleiteinrichtungen voneinander getrennt.

Elektrischer Energiespeicher für einen Kraftwagen

Resumen de: DE102024106132A1

Die Erfindung betrifft einen elektrischen Energiespeicher (10) für einen Kraftwagen, mit einem Gehäuse (12), welches wenigstens eine erste Seitenwand (14), eine zweite Seitenwand (16), einen Gehäuseboden (18) und eine Gehäusedecke (20) aufweist, mit einer Vielzahl von in dem Gehäuse (12) angeordnete Batteriezellen (22), mit wenigstens einer sich in länglicher Erstreckungsrichtung (x) von der ersten Seitenwand (14) zur zweiten Seitenwand (16) des Gehäuses (12) und in Hochrichtung (z) von dem Gehäuseboden (18) zur Gehäusedecke (20) erstreckenden elektrisch nichtleitenden Versteifungsstrebe (24), und mit wenigstens einem elektrisch leitenden Zellverbinder (26) für eine Übertragung von elektrischer Energie zwischen den Batteriezellen (22), wobei der Zellverbinder (26) als ein Blechteil ausgebildet ist, welches in der Versteifungsstrebe (24) eingebettet ist und Kontaktierungselemente (28a, 28b) für eine elektrisch leitende Kontaktierung an jeweiligen zur Versteifungsstrebe (24) benachbarten Batteriezellen (22) aufweist.

Stromspeicherzelle mit an Porenvolumen angepassten Elektrolytvolumen bei hohen Ladezuständen

Resumen de: DE102024105914A1

Die Erfindung betrifft eine Stromspeicherzelle, ausgebildet als Lithium-Ionen-Speicherzelle oder Natrium-Ionen-Speicherzelle umfassend eine Anode, eine Kathode, einen zwischen der Anode und der Kathode befindlichen Separator und eine Elektrolytlösung, die in Poren der Anode, Kathode und des Separators angeordnet ist,wobei die Elektrolytlösung ein Leitsalz und zumindest ein organisches Lösungsmittel umfasst,wobei die Speicherzelle bei einem Ladezustand von 75 % bis 100% einen Volumenfaktor fv zwischen 0,9 und 1,05, bevorzugt 0,95 bis 1,00 aufweist,wobei der Volumenfaktor fvals das Verhältnis (Volumen der Elektrolytlösung)/(Summe der Volumina der Poren in der Anode, der Volumina der Poren in der Kathode und der Volumina der Poren im Separator bei dem Ladezustand von 75 % bis 100%) definiert ist.Eine derartige Stromspeicherzelle weist eine gegenüber herkömmlichen Stromspeicherzellen verringerte Alterung auf.

Verfahren zum Schnellladen einer elektrischen Stromspeicherzelle

Resumen de: DE102024105917A1

Die Erfindung betrifft ein Verfahren zum Schnellladen einer elektrischen Stromspeicherzelle, insbesondere einer Fahrzeugstromspeicherzelle eines Fahrzeugs, wobei ein aktueller Ladestrom in Abhängigkeit von einer während des Ladevorgangs auftretenden reversiblen Volumenänderung des aktiven Elektrodenmaterials eingestellt wird.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025279535A1

A battery cell includes a shell, an electrode assembly, and a pressure relief mechanism, a battery, and an electrical device. The electrode assembly includes a main body part and a tab. The shell includes a first wall part and a second wall part. Along a second direction, the first wall part and the second wall part are arranged opposite to each other. A channel gap is formed between the second wall part and the main body part. The channel gap is configured to connect spaces in the shell that are located at both ends of the main body part along the first direction. The second direction intersects with the first direction. The pressure relief mechanism is arranged on the first wall part, and along the first direction, a center of the pressure relief mechanism deviates from a center of the first wall part.

POLYMER ELECTROLYTE AND SECONDARY BATTERY

Resumen de: US2025279471A1

The present invention provides a polymer electrolyte which is not susceptible to strength decrease even in a high temperature range and has high ion conductivity at room temperature and lower temperatures even if a liquid electrolyte is not contained therein. This polymer electrolyte contains a polymer which has a specific polyether structure having a free end, a specific crosslinked structure by means of a polyether and a specific nitrogen-containing aromatic cationic group; this polymer electrolyte additionally contains a lithium salt; and the volume swelling ratio of this polymer electrolyte is 40% to 120% as determined by a methyl ethyl ketone immersion method.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, BATTERY AND ELECTRIC DEVICE

Resumen de: US2025279415A1

A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery and an electric device. The positive electrode active material comprises: a core; and a carbon coating layer which covers at least part of the surface of the core, the molar ratio of sp3 hybridized carbon atoms to sp2 hybridized carbon atoms in the carbon coating layer being not less than 0.5.

BATTERY AND POWER CONSUMING APPARATUS WITH SAME

Resumen de: US2025279498A1

A battery includes a box body, and multiple battery cells and a heat conducting member arranged in the box body. Each battery cell is provided with multiple side walls. The multiple side walls include a first side wall and a second side wall connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.

NEXT-GENERATION LITHIUM-ION BATTERY AND ASSOCIATED MANUFACTURING METHOD

Resumen de: US2025279428A1

A cathode for a lithium-ion battery including a layer of a conductive material arranged to collect the current flowing through the cathode, which layer is referred to as the substrate of the cathode, a layer of aligned carbon nanotubes (CNTs) in electrical contact with the substrate of the cathode and mainly extending perpendicular to the substrate of the cathode, solid sulfur which at least partially coats an outer wall of the CNTs and a solid layer of solid lithium sulfate (Li2SO4), which layer is referred to as the outer layer of Li2SO4, covering the layer of CNTs so as to form a stack of layers in which the layer of CNTs is located between the substrate of the cathode and the outer layer of Li2SO4 is disclosed.

POSITIVE ACTIVE MATERIAL, POSITIVE ELECTRODE PLATE, ELECTROCHEMICAL ENERGY STORAGE APPARATUS, AND APPARATUS

Resumen de: US2025279426A1

This application provides a positive active material, a positive electrode plate, an electrochemical energy storage apparatus, and an apparatus. The positive active material is LixNiyCozMkMepOrAm, or LixNiyCozMkMepOrAm with a coating layer on its surface; and the positive active material is single crystal or quasi-single crystal particles, and a particle size Dn10 of the positive active material satisfies: 0.3 μm≤Dn10≤2 μm. In this application, particle morphology of the positive active material and an amount of micro powder in the positive active material are properly controlled, to effectively reduce side reactions between the positive active material and an electrolyte solution, decrease gas production of the electrochemical energy storage apparatus, and improve storage performance of the electrochemical energy storage apparatus without deteriorating an energy density, cycle performance, and rate performance of the electrochemical energy storage apparatus.

BATTERY MODULE

Resumen de: US2025279499A1

A battery module includes: a first battery cell; a first case to accommodate the first battery cell, and having a first through region to expose a portion of a surface of the first battery cell therethrough; a second case to accommodate at least a portion of the first case; and a first heat conducting member between the first battery cell and the second case.

POSITIVE ELECTRODE ACTIVE MATERIAL, LITHIUM ION BATTERY, ELECTRONIC DEVICE, AND VEHICLE

Resumen de: US2025279425A1

A lithium ion battery having excellent charge performance and discharge performance even in a low-temperature environment is provided. A lithium ion battery includes a positive electrode active material containing cobalt, oxygen, magnesium, aluminum, and nickel. The median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. Magnesium and aluminum are included in a surface portion. The surface portion is a region within 50 nm in depth from the surface of the positive electrode active material. The positive electrode active material includes a region where magnesium is distributed closer to the surface side of the positive electrode active material than aluminum is.

SOLAR MAINTENANCE CHARGER

Resumen de: US2025279743A1

A solar maintenance charging kit may include a solar panel assembly, an auxiliary battery system configured to receive power from the solar panel assembly, and an electronics assembly configured to adjust a maintenance voltage supplied to a mobile industrial machine from one of the solar panel assembly or the auxiliary battery system. The solar maintenance charging kit may be portable.

METHOD OF MANUFACTURING ELECTRODE FOR ELECTROCHEMICAL ELEMENT, ELECTRODE FOR ELECTROCHEMICAL ELEMENT, ELECTROCHEMICAL ELEMENT, ELECTRIC DEVICE, AND MOBILE OBJECT

Resumen de: US2025279406A1

A method of manufacturing an electrode for an electrochemical element includes applying a first liquid composition onto an electrode composite layer having a rough structure by inkjetting in an amount of 0.34 to 10 mg/cm2 per application to form a first solid electrolyte layer comprising a solid electrolyte, to manufacture the electrode including: a substrate; the electrode composite layer disposed on the substrate, comprising an active material; and the first solid electrolyte layer, wherein the liquid composition comprises the solid electrolyte and a dispersion medium and has a viscosity of 4 to 20 mPa·s.

Electrode Film, Electrode Including the Same, Secondary Battery, and Method for Manufacturing the Same

Resumen de: US2025279423A1

A electrode film includes an active material and a fluorine-containing binder. The fluorine-containing binder includes a polytetrafluoroethylene (PTFE) binder- and the active material includes a lithium transition metal oxide. The content of the fluorine-containing binder is 0.5-10 parts by weight based on 100 parts by weight of the total weight of the electrode film and the electrode film shows an elongation at break of 7% or more. An electrode, a secondary battery, and an energy storage system including the electrode film are also provided.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE, SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE

Resumen de: US2025279424A1

A positive electrode active material which inhibits a decrease in discharge capacity during charge and discharge cycles and a secondary battery which includes the positive electrode active material are provided. The secondary battery includes a positive electrode active material. The positive electrode active material contains lithium cobalt oxide. A total mass of magnesium oxide and tricobalt tetraoxide estimated by Rietveld analysis of a pattern obtained by powder X-ray diffraction of the positive electrode active material is less than or equal to 3% with respect to a mass of the lithium cobalt oxide. A volume resistivity of a powder of the positive electrode active material is higher than or equal to 1.0E+8 Ω·cm and lower than or equal to 1.0E+10 Ω·cm under a pressure of 64 MPa.

ROLL MAP FOR ELECTRODE COATING PROCESS AND ROLL MAP CREATION METHOD AND SYSTEM

Resumen de: US2025278164A1

A roll map of an electrode coating process includes a roll map bar and a representation part. The roll map bar is displayed on a screen in synchronization with movement of an electrode between an unwinder and a rewinder while being coated with an electrode slurry in a roll-to-roll state. The roll map bar is displayed in the form of a bar by simulating the electrode in the roll-to-roll state. The representation part is configured to visually show either one of or both quality-related and defect-related acquired data associated with the electrode coating process. The acquired data is shown at a certain location on the roll map bar corresponding to a location in the electrode at which the data is measured. A roll map of an electrode coating process is generated by a process. A roll map of an electrode coating process is generated by a system.

HEAT EXCHANGE SYSTEM FOR COOLING A VEHICLE BATTERY

Resumen de: US2025279493A1

A heat exchange system has an inlet branch adapted to receive a heat exchange liquid, supplied by a first pump and cooled by a chiller, and an outlet branch which circulates the heat exchange liquid to the chiller. The system has a cooling line, which extends from the inlet branch to the outlet branch along a vehicle battery for cooling this battery, and a branch line, which extends along a thermal reservoir containing a material with characteristics such as to store heat/cold and is configured in such a way as to exchange heat between said material and the heat exchange liquid. The system has at least one valve which is configured and controllable to achieve a first operating condition, in which the liquid flows exclusively in the cooling line, and a second operating condition, in which the liquid flows in the branch line and, in series, in the cooling line.

Positive Electrode Active Material, Preparation Method Thereof, and Lithium Secondary Battery Including the Positive Electrode Active Material

Resumen de: US2025279422A1

The present invention relates to a positive electrode active material, wherein it relates to a positive electrode active material including a lithium composite transition metal oxide in a form of a single particle; and a coating portion containing cobalt which is formed on the lithium composite transition metal oxide in the form of a single particle, wherein the coating portion containing cobalt has a phase gradient from a spinel structure to a layered structure in a central direction from a surface of the positive electrode active material, a preparation method thereof, and a lithium secondary battery including the positive electrode active material.

BATTERY PACK LIQUID COOLANT GUIDES AND METHOD OF GUIDING LIQUID COOLANT

Resumen de: US2025279494A1

A traction battery pack assembly includes a plurality of battery cell groups disposed along a cell stack axis of a cell stack. Each of the battery cell groups includes at least one battery cell. A plurality of liquid guides are configured to guide a liquid coolant axially between the battery cell groups. The battery cell groups are separated from each other by at least some of the liquid guides within the plurality of liquid guides.

LITHIUM METAL NEGATIVE ELECTRODE, ELECTROLYTE ADDITIVE FOR LITHIUM SECONDARY BATTERY AND ELECTROLYTE INCLUDING THE SAME

Resumen de: US2025279419A1

A lithium metal negative electrode incorporates a solid-electrolyte interphase (SEI) with distinct inorganic and organic layers, alongside an electrolyte containing a specialized additive. The inorganic layer, close to the lithium metal, may contain Li—F and Si—F bonds, while the organic layer may include carbon- and oxygen-containing CxOy or Si—C. The additive is defined by formulas involving a metal positive ion, Si, and trimethylsilyl groups, and may enhance cycling stability by forming a uniform SEI that suppresses lithium dendrite formation. When combined with an ether-based solvent, the additive can be present in amounts from about 0.1 to about 50 parts by weight of the electrolyte. The resulting battery exhibits high coulombic efficiency, reduced overvoltage, and retains at least 80% of its initial capacity after 100 charge-discharge cycles at a rate of 1C or higher, thus offering improved performance and longevity for lithium secondary battery applications.

Stabilization of Lithium-Ion Batteries

Resumen de: US2025279420A1

A lithium-ion battery includes an anode including graphite and a cathode nickel in a mole percent of about 60 percent or more, based on the total composition of the cathode. The lithium-ion battery includes liquid electrolyte including one or both of ethyl methyl carbonate and ethylene carbonate and an oxidant that is soluble in the liquid electrolyte and binds with an alkene having between 2 and 4 carbon atoms.

DEVICE AND METHOD FOR CHARGING ELECTRIC VEHICLE WITH DIFFERENT CHARGING STANDARDS

Resumen de: US2025276601A1

A charging control system for an electric vehicle, the charging control system including a charging control device for the electric vehicle, and an EVSE (electric vehicle supply equipment) comprising cable and transmitting a signal to the charging control device for the electric vehicle, wherein the charging control device for the electric vehicle including a charging inlet configured to receive charging information and power from the EVSE, a control module configured to determine a charging mode based on the charging information and output a control signal in accordance with the determined charging mode, and a charger configured to charge a battery of the electric vehicle in accordance with the control signal of the control module, wherein the charging mode is determined by a charging standard of the EVSE.

BATTERY FRAME

Resumen de: US2025276587A1

A battery frame for holding one or more battery boxes includes an outer frame surrounding an interior space and formed from a plurality of structural members including first rails extending parallel to and spaced apart from one another and second rails between the first rails and perpendicularly thereto. The outer frame defines a top extending in a flat plane and a bottom. Each of the first rails includes a mounting flange extending outwardly away from the interior space for holding the battery frame to a vehicle structure. One or more battery boxes are disposed within the interior space of the outer frame and are removable from below the outer frame with the outer frame mounted within a vehicle. Support members and cross-beams provide structural rigidity, distribute or absorb crash loads, and hold one or more of the battery boxes within the battery frame.

Multi-Layer Pack Structure For Heavy Duty Applications

Resumen de: US2025276572A1

A vehicle battery pack assembly includes a plurality of sub pack assemblies, each sub pack including a box frame. An internal frame assembly is disposed within the box frame. The box frame includes a front wall, a rear wall and a pair of side walls, one of the front wall and the rear wall includes a first plurality of mounting flanges vertically spaced there along and the pair of sidewalls each include a second plurality of mounting flanges vertically spaced there along. The internal frame assembly includes a plurality of first cold plate structures mounted directly to at least one of the first and second plurality of mounting flanges. A thermal hose assembly is connected to each of the plurality of first cold plate structures and a plurality of battery modules are supported on the plurality of first cold plate structures.

BATTERY POWER MANAGEMENT APPARATUS AND METHOD

Resumen de: US2025276611A1

An apparatus, including: a first circuit containing a first load, wherein a first battery is associated with the first circuit; a second circuit containing a second load, wherein the second load draws current from a second battery when the first load is not operating or is non-operational; a first switch, wherein the first switch is capable of disconnecting the first battery from the first circuit; a second switch, wherein the second switch is capable of connecting the first battery to the first circuit, wherein the first switch and the second switch are connected in series; at least one recharger, wherein the at least one recharger recharges the first battery and the second battery when the first load is operating; a third circuit containing a second battery; and a third load. The third load is connected between the first circuit and the third circuit.

REINFORCING BRACKET FOR BATTERY, BATTERY, AND POWER CONSUMING APPARATUS

Resumen de: US2025279530A1

A battery includes a plurality of battery cells, the reinforcing bracket includes a connecting bracket and a plurality of partition members, the connecting bracket includes a first reinforcing plate, a plurality of avoidance holes that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space is defined between the adjacent partition members and the connecting bracket.

BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279502A1

A battery and an electrical apparatus. The battery includes a plurality of rows of battery units and a heat exchange assembly. The plurality of rows of battery units are arranged in a first direction. Each row of battery units comprises a plurality of battery cells arranged in sequence in a second direction. Each battery cell includes a first side wall. The first side wall is the side wall with the largest area. The first direction and the second direction are perpendicular to each other. The heat exchange assembly includes a heat conducting plate. The heat conducting plate extends between adjacent rows of battery units. The heat conducting plate directly faces the first side walls of at least some of the adjacent battery cells of adjacent battery units.

BATTERY ASSEMBLY, VEHICLE, AND BATTERY SWAPPING STATION

Resumen de: US2025279528A1

Provided are a battery assembly, a vehicle, and a battery swapping station. The battery assembly includes a plurality of batteries. Each of the plurality of batteries has a mounting structure. Each of the plurality of batteries is adapted to be disposed at a bottom of a vehicle and detachably connected to the vehicle through the mounting structure, allowing each of the plurality of batteries to be detachably mounted to the vehicle separately.

SEPARATOR FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY INCLUDING SAME, AND METHOD FOR PREPARING SEPARATOR FOR LITHIUM SECONDARY BATTERY

Resumen de: US2025279540A1

Provided are a separator for a lithium secondary battery, a lithium secondary battery including the same, and a method of preparing the separator for a lithium secondary battery. The separator for a lithium secondary battery includes: a substrate; a first layer disposed on a surface of the substrate and consisting of inorganic particles; and a second layer disposed on the first layer and consisting of polymer binder particles, wherein an average particle diameter of the inorganic particles is less than 300 nm, and an average particle diameter of the polymer binder particles is 200 nm to 500 nm. The separator, due to reduced surface roughness and improved packing density of the first layer consisting of the inorganic particles, may have a uniform coating. The lithium secondary battery including the separator may have improved adhesion between the separator and electrodes, and thus the lithium secondary battery may have improved bending strength.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025279536A1

This application discloses a battery cell, a battery, and an electric apparatus. The battery cell includes a housing and an electrode terminal. The housing includes a wall portion, where the wall portion is provided with an outlet hole. The electrode terminal is disposed at the outlet hole, where the electrode terminal is provided with a weak region, and the weak region is configured to be ruptured when an internal pressure of the housing exceeds a pressure threshold or a temperature exceeds a temperature threshold, allowing interior of the housing to communicate with exterior of the housing.

BATTERY STORAGE SYSTEM AND BATTERY PROTECTION UNIT

Resumen de: AU2024305616A1

The present invention relates to a battery storage system and a battery protection unit and, more specifically, to a battery storage system including a rack door of a battery loading unit and a unit door of a battery protection unit, respectively, and a battery protection unit for simultaneously controlling the locking state of the unit door and the operation of a circuit breaker. According to the present invention, the battery storage system includes a unit door of a circuit breaker accommodation unit in addition to a rack door of a battery loading unit on which a battery is loaded such that the circuit breaker can be operated without opening the battery loading unit, thereby protecting a user from static electricity flowing in the battery. The battery protection unit according to the present invention includes a handle assembly capable of simultaneously controlling the operation of the circuit breaker and the locking state of the unit door according to rotations such that the unit door can be unlocked only when the circuit breaker is operated, thereby protecting a user from an electric shock accident.

METHOD FOR ACTIVELY DETECTING FAULT IN ENERGY STORAGE SYSTEM, AND ENERGY STORAGE SYSTEM

Resumen de: AU2023438648A1

A method for actively detecting a fault in an energy storage system, and an energy storage system. The method for actively detecting a fault in an energy storage system comprises: a step of causing a state of charge of an energy storage battery to reach a first preset value; a discharge time acquisition step of causing the energy storage battery to perform discharging at a constant current a until the state of charge thereof reaches a second preset value, stopping discharging, and acquiring a discharge time T, wherein the second preset value is less than the first preset value; and determining whether the discharge time T is less than or equal to a preset discharge time t, and if so, determining that there is a hidden fault in the energy storage battery or there is a serious decline in the service life of the energy storage battery, and if not, determining that the energy storage battery is normal. By means of the method for actively detecting a fault in an energy storage system, whether there is a hidden fault in an energy storage battery or whether there is a serious decline in the service life of an energy storage battery can be determined.

Battery packs containing configurable terminal holder

Resumen de: AU2025217369A1

A battery pack including a housing; and two or more battery cells located in the housing. The two or more battery cells interconnected by a configurable connector which is configured to enable electrical connections between the two or more battery cells. The configurable connector contains a plurality of first electrical terminals connected to the two or more battery cells, and a terminal holder adapted to be removably connected to the plurality of the first electrical terminals. The terminal holder is adapted to be installed to the housing in a first orientation at which the two or more battery cells are electrically connected, or in a second orientation at which the two or more battery cells are not electrically connected. The terminal holder contains a plurality of second electrical terminals. One of the plurality of the second electrical terminals always engages with a same one of the plurality of the first electrical terminals, when the terminal holder is installed to the housing in the first orientation or the second orientation. The single terminal holder can be installed battery pack in different orientations for enabling / disabling the internal circuit of the battery pack, and can be locked by a latch mechanism which reduced the chance that the terminal holder is accidentally lost during usage. A battery pack including a housing; and two or more battery cells located in the housing. The two or more battery cells interconnected by a configurable connector which is co

POSITIVE ELECTRODE ADDITIVE FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING SAME

Resumen de: US2025279434A1

Provided is a positive electrode additive containing an excess of lithium, the positive electrode additive being capable of demonstrating the inherent effect thereof when exposed to air through the coating of the surface of the positive electrode additive with a hydrophobic material and an ion-conductive material to achieve the effects of preventing the formation of impurities such as Li2CO3, LiOH, and the like generated on the surface of the positive electrode additive when left in air.

CASING MATERIAL FOR POWER STORAGE DEVICE, PRODUCTION METHOD THEREFOR, AND POWER STORAGE DEVICE

Resumen de: US2025279511A1

A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ΔE of no more than 0.20 in a rigid body pendulum measurement at 140° C.

SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: US2025279474A1

A secondary battery comprises a negative electrode sheet and an electrolyte; where the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; and the electrolyte contains a first component, the first component containing at least one of compounds represented by formula I and formula II.

PARTITIONING A BATTERY ARRAY FOR DEDICATED POWERING OF IN-WHEEL ELECTRIC MACHINES

Resumen de: US2025279487A1

Architectures or techniques are provided for partitioning the battery cell array of an electric vehicle into distinct battery groups or partitions that independently power in-wheel electric machines or motors in a dedicated manner. Instead of the entire battery cell array being used to power all in-wheel electric machines with independent control being managed by in-wheel inverters, the various battery partitions can be respectively dedicated to powering a different in-wheel electric machine or machines. Thus, in-wheel inverters and associated components can be removed or reduced, as independent control can be effectuated by independent partitions instead of independent inverter systems.

HEAT EXCHANGE ASSEMBLY, BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025279504A1

A heat exchange assembly, a battery and an electrical device are disclosed. The heat exchange assembly includes a current collecting piece and a plurality of heat exchange pieces. The heat exchange piece is constructed with a first flow channel and a first joint portion communicating with the first flow channel. The current collecting piece is constructed with a second flow channel and a plurality of second joint portions. The plurality of second joint portions each communicate with the second flow channel and are configured to be connected to the first joint portions of the plurality of heat exchange pieces respectively, such that the second flow channel of the current collecting piece communicates with the first flow channels of the plurality of heat exchange pieces. When the heat exchange assembly and battery units form a group, the assembly procedure is simple, and the assembly and fabrication efficiency is high.

ENERGY STORAGE SYSTEM WITH PRE-CERAMIC POLYMER COATED ELECTRICALLY CONDUCTIVE COMPONENTS FOR ELECTRICAL ISOLATION

Resumen de: US2025279518A1

An energy storage system is disclosed and includes: at least one battery pack; and one or more electrically conductive components each of which including one or more pre-ceramic polymer layers, where the one or more pre-ceramic polymer layers of each of the one or more electrically conductive components electrically insulate the one or more electrically conductive components from other electrically conductive components of the at least one battery pack.

BMS COMMUNICATION SYSTEM AND ESS COMMUNICATION SYSTEM THAT WIRELESSLY COMMUNICATE WITH EACH OTHER

Resumen de: US2025279572A1

A battery management system (BMS) communication system includes a battery module including a housing and a plurality of battery cells in which a battery cell comprises a voltage sensing tab, a first printed circuit board (PCB) mounted on a side of the housing of the battery module and including a temperature sensor electrically connected to the voltage sensing tab of the battery cell to measure a temperature of the battery cell, and a second PCB stacked on a surface of the first PCB and including a cell sensing module electrically connected to the voltage sensing tab and the temperature sensor to exchange signals therewith, in which an antenna pattern module is mounted on a surface of the second PCB.

LIFE-EXTENDED ACTIVE BATTERY CONTROL FOR ENERGY STORAGE USING ELECTRIC VEHICLE RETIRED BATTERIES

Resumen de: US2025279655A1

An apparatus for extending battery life includes a control objective map module configured to derive a mapping between a state of charge (“SOC”) of each battery unit of a plurality of battery units with respect to an average SOC of the battery units. A highest capacity battery unit has a highest discharge amount between a SOC maximum and a SOC minimum and a lowest capacity battery unit has a lowest discharge amount between the SOC maximum and the SOC minimum. Each battery unit is connected to a shared bus through a direct current (“DC”) to DC power converter. The control objective map provides a current reference for a battery unit of the plurality of battery units in relation to a common current of the shared bus. The current reference for the battery unit includes a reference current for the DC to DC power converter connected to the battery unit.

Battery Management Device Of Battery System To Which Battery Can Be Added, And Control Method Thereof

Resumen de: US2025279656A1

According to embodiments of the present invention, a battery management apparatus, located in a battery system allowing for an addition of one or more new batteries, may include at least one processor; and a memory configured to store instructions executed by the at least one processor. Here, the instructions may cause the at least one processor to:in response to the battery system switching to a mode for adding a new battery into the battery system, determine a target state of charge (SOC) which is determined based on the state of health (SOH) of at least one battery and an initial SOC of the new battery, wherein the battery is a pre-installed battery; control charging and discharging of the battery so that the SOC of the battery becomes the target SOC; and terminate the control of charging and discharging when the SOC of the battery reaches the target SOC.

SECONDARY BATTERY AND POWER CONSUMING APPARATUS

Resumen de: US2025279475A1

A secondary battery includes a negative electrode plate and an electrolyte solution. The negative electrode plate includes a silicon-carbon composite material having a three-dimensional cross-linked pore network structure. The electrolyte solution includes a first component, and the first component includes one or more of compounds represented by Formula (I) and Formula (II) in this disclosure, in which R1, R2, R3, and R4 includes at least one of a hydrogen atom, a fluorine atom, and a fluorine-substituted or fluorine-unsubstituted C1-C4 alkyl group, and Formula (I) includes fluorine element.

BATTERY AND ELECTRICAL DEVICE

Resumen de: US2025279519A1

A battery and an electrical device. The battery includes: a battery cell; a first box, where the first box includes a first end wall and a first side wall; and a second box, where the second box and the first box are connected to each other to jointly enclose and form a closed space for accommodating the battery cell, the second box includes a second end wall, the second end wall is disposed opposite to the first end wall along a first direction, the second box has a first side surface in a second direction, and the first direction intersects with the second direction. One end of the first side wall is connected to the first end wall, and the other end of the first side wall is connected to the first side surface.

HEAT MANAGEMENT STRUCTURE FOR BATTERY CELL

Resumen de: US2025279507A1

Disclosed is a thermal management structure of a battery cell, the thermal management structure including: a plurality of battery cells repeatedly arranged; a cell cooler connected to one side of each of the battery cells to enable heat transfer, and configured to cool the battery cell or raise the temperature of the battery when necessary; and a hybrid phase change material (PCM) part respectively disposed between the battery cells to absorb heat generated from the battery cells, and formed of different types of phase change materials (PCMs) respectively disposed in a plurality of divided regions divided in a shape of corresponding to a temperature gradient pattern of the battery cells.

CELLULOSIC-PROTEIN IONIC GEL, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME

Resumen de: US2025279470A1

Disclosed herein is an electrolyte composition for an energy storage device, the electrolyte composition comprising cellulose nanocrystals; a liquid crystalline unit; an ionic liquid; a metal ion; and a solid protein; wherein the cellulose nanocrystals are conjugated with the liquid crystalline unit. Disclosed herein too is a zinc air battery comprising a positive electrode; a negative electrode; and an electrolyte disposed between the positive electrode and the negative electrode; wherein the electrolyte comprises cellulose nanocrystals; a liquid crystalline unit; an ionic liquid; a metal ion; and a solid protein; wherein the cellulose nanocrystals are conjugated with the liquid crystalline unit.

Space Configurable Battery Structures For Electrode Assemblies Incorporating Ion Exchange Materials

Resumen de: US2025279508A1

Systems and methods for space configurable battery structures for electrical assemblies incorporating ion exchange materials are described. One method to construct such a battery includes preparing a battery casing for a rechargeable battery. The preparing may further include placing one or more electrode materials into the casing. A monomer or a functionalized n-mer may be prepared for polymerization. The monomer or the functionalized n-mer may be polymerized to form an ion exchange material, which is then then cross-linked. The ion exchange material may be arranged to define an interpenetrating surface with at least a portion of at least one of the electrodes.

ENERGY PROCESSING APPARATUS AND VEHICLE

Resumen de: US2025279664A1

An energy processing apparatus includes: a first battery, a second battery, a first bridge arm, a first inductor, and a controller. A positive electrode of the second battery is connected with a first end of each phase of the first bridge arm, and a negative electrode of the second battery is connected with a second end of each phase of the first bridge arm and a negative electrode of the first battery. A first end of each phase of the first inductor is connected with a midpoint of the corresponding first bridge arm, and a second end of each phase of the first inductor is connected with a positive electrode of the first battery. The controller is connected with each phase of the first bridge arm, and is configured to: in a first preset state, to control the first and the second batteries to be charged and discharged.

OBJECT OVERLAP DETECTION APPARATUS AND METHOD

Resumen de: US2025278828A1

An object overlap detection apparatus includes one or more photographing units configured to photograph objects from multiple angles. A determining unit is configured to determine whether there are overlapping objects by analyzing an image obtained by photographing the objects in a vertical direction using the one or more photographing units. The determining unit is also configured to determine whether there are overlapping objects by analyzing an image obtained by photographing a side of using the one or more photographing units. A controller is configured to receive information indicating whether the objects overlap from the determination units and to control one or more of an alarm signal, an operation of the photographing units, and transport of the objects.

ELECTRIC ENERGY STORAGE APPARATUS WITH A HEAT TRANSFER DEVICE

Resumen de: EP4611120A1

The invention relates to an electrical energy storage apparatus (10) for a vehicle. The apparatus (10) comprises a first battery cell (11a); a second battery cell (11b); a cell connector (12), electrically conductively connecting the first and second battery cell (11a, 11b); a wall member (13) arranged at the first and second battery cell (11a, 11b); and a heat transfer device (14), electrically insulating and thermally conductively connecting the cell connector (12) and the wall member (13). The heat transfer device (14) has a first transfer section (14a), connecting a first portion (12a) of the cell connector (12) to the wall member (13), and a second transfer section (14b), connecting a second portion (12b) of the cell connector (12) to the wall member (13). Thereby, the first and second transfer section (14a, 14b) are at least partially separated from each other by a separation region (15), having a reduced thermal conductivity compared to the first and second transfer section (14a, 14b), to reduce a heat transfer between the first and second battery cell (11a, 11b) via the heat transfer device (14).

MULTILAYER ELECTRODE

Resumen de: WO2024088675A1

An electrode comprising: - a foil (C) made of aluminum or aluminum alloy, the foil either being covered at least partially on one or both faces by a coating intended to improve the electron conductivity between a coated layer and the foil and/or to improve the adhesion of a coated layer to the foil, or having been subjected to a surface treatment aimed at increasing the adhesion and/or the contact area of the coated layer with respect to the foil, - at least two superposed layers (L1, L2), each layer comprising a first active material (MA1) which is a lithiated phosphate of one or more transition metals and at least a second active material (MA2), characterized in that, in a layer in question, the weight proportion of the lithiated phosphate relative to all the active material weights of this layer is greater than the weight proportion of lithiated phosphate in the adjacent layer further away from the foil than the layer in question.

HYBRID ROTOR DRIVE SYSTEM AND HYBRID ROTORCRAFT

Resumen de: EP4610173A1

A hybrid rotor drive system includes: a gas turbine engine including a compressor, a combustor, a turbine, and a first output shaft that mechanically connects the compressor to the turbine; an electric motor including a second output shaft; and a gear box including a first input interface, a second input interface, a speed reducer that reduces speed of rotational force input from the first input interface and the second input interface, and an output interface that outputs the rotational force, which has been reduced in speed by the speed reducer, to a rotor. The first output shaft of the gas turbine engine is mechanically connected to the first input interface, and the second output shaft of the electric motor is mechanically connected to the second input interface.

INFORMATION PROCESSING METHOD, INFORMATION PROCESSING SYSTEM, AND PROGRAM

Resumen de: EP4610679A1

An information processing method includes: acquiring measurement data of a plurality of energy storage devices; executing, based on measurement data of a first energy storage device group selected from the plurality of energy storage devices, a first process for estimating a degradation state of the first energy storage device group; extracting, from among the plurality of energy storage devices, a second energy storage device to be subjected to a second process; and executing, based on measurement data of the extracted second energy storage device, a second process for estimating a degradation state of the second energy storage device.

LUBRICANT SELECTION APPARATUS, FRICTION COEFFICIENT ESTIMATION APPARATUS, LUBRICANT SELECTION METHOD, METHOD FOR MANUFACTURING EXTERIOR MATERIAL FOR POWER STORAGE DEVICE, AND PROGRAM

Resumen de: EP4610047A1

A friction coefficient between a resin layer and a mold layer via a lubrication layer is stably determined with a small amount of calculation. A lubricant selection apparatus includes a lubricant information input unit configured to receive an input of information on a plurality of lubricant candidates; an energy calculation unit configured to calculate an interaction energy between a lubrication layer and a resin layer, the lubrication layer being formed by each of the plurality of lubricant candidates; a friction coefficient estimation unit configured to estimate, in accordance with the interaction energy, a friction coefficient between the resin layer and a mold layer via the lubrication layer; and a lubricant selection unit configured to select a lubricant from the plurality of lubricant candidates in accordance with the friction coefficient.

METHOD FOR RECOVERING VALUABLE MATERIALS FROM LITHIUM ION SECONDARY BATTERIES

Resumen de: EP4611116A1

A method for recovering valuable materials from lithium ion secondary batteries is provided. The method includes: a heat-treatment step of performing a heat treatment on a lithium ion secondary battery to obtain a heat-treated product; a first classification step of classifying a crushed product, which is obtained by crushing the heat-treated product, to obtain a coarse-particle product 1 and a small-particle product; a second classification step of classifying a ground product, which is obtained by grinding the small-particle product, at a classification point smaller than a classification point of the first classification step to obtain a coarse-particle product 2 and a fine-particle product; a first magnetic separation step of subjecting the fine-particle product obtained in the second classification step to magnetic separation to obtain a magnetic component 1 and a non-magnetic component 1; a second magnetic separation step of subjecting the non-magnetic component 1 obtained in the first magnetic separation step to magnetic separation to obtain a magnetic component 2 and a non-magnetic component 2; and a recovering step of recovering valuable materials from the magnetic component 1 and the magnetic component 2.

SILICON-GRAPHENE-GRAPHITE COMPOSITE

Resumen de: CN119947986A

The present invention relates to a method of manufacturing a silicon-graphene-graphite composite for a silicon-based anode of a lithium ion battery, the method comprising: aggregating silicon particles having a particle size distribution D10 greater than 100 nm and a peelable graphene-based material together in a first organic solvent, the weight ratio of silicon to the peelable graphene-based material is from 1.5 to 9; mixing at least 500 rpm for at least 20 minutes to grind the silicon particles into nanoparticles, exfoliating at least a portion of the exfoliable graphene-based material into graphene and forming a silicon-graphene composite; aggregating the silicon-graphene composite and graphite together, the weight ratio of carbon to silicon being from 1.5 to 19, and the viscosity being from 0.025 Pa.sec to 160 Pa.sec at a shear rate of 1 se-1; and mixing for at least 2 minutes to form the silicon-graphene-graphite composite material.

POLYCARBONATE RESIN AND RESIN COMPOSITION CONTAINING SAME

Resumen de: EP4610293A1

According to the present invention, it is possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by general formula (1), a constituent unit (B) derived from a monomer represented by general formula (2) and a constituent unit (C) derived from a monomer represented by general formula (3). Relative to the total amount of constituent units (A), (B) and (C) that constitute the polycarbonate resin, the proportion of constituent unit (A) is 20-50 mol%, the proportion of constituent unit (B) is 5-20 mol%, and the proportion of constituent unit (C) is 30-75 mol%.

NEGATIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY

Resumen de: EP4611051A1

In the present invention, a negative electrode (12) for a secondary battery is characterized by comprising a negative electrode current collector (40) and a negative electrode mixture layer (42) provided on the negative electrode current collector (40), and is characterized in that: the negative electrode mixture layer (42) has a negative electrode active substance and a dicarboxylic acid component that includes a dicarboxylic acid and/or an anhydride thereof; and if the negative electrode mixture layer (42) is divided into two equal parts in the thickness direction to form a lower half region (42a) on the negative electrode current collector (40) side and an upper half region (42b) on the surface side, the content (C_A) of the dicarboxylic acid component in the lower half region (42a) and the content (C_B) of the dicarboxylic acid component in the upper half region (42b) satisfy the relationship C_A>C_B.

ELECTRIC WORK MACHINE

Resumen de: EP4611211A1

Provided is an electrically driven work machine capable of increasing estimation accuracy of a remaining charge time or a remaining discharge time of a secondary battery. An electrically driven excavator includes a secondary battery, a battery management unit, and a vehicle control unit. The vehicle control unit predicts a transition of a temperature of the secondary battery on the basis of the temperature and a state of charge of the secondary battery detected by the battery management unit, predicts a transition of a current of the secondary battery on the basis of the predicted transition of the temperature of the secondary battery, and estimates the remaining charge time or the remaining discharge time of the secondary battery on the basis of the predicted transition of the current of the secondary battery.

NEGATIVE ELECTRODE FOR NON-AQUEOUS-ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS-ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4611054A1

A negative electrode (12) according to an embodiment of the present invention comprises: a negative electrode core (40); and a negative electrode mixture layer (41) that is positioned on the negative electrode core (40), the negative electrode mixture layer (41) containing a negative electrode active material (50) and a water-soluble polymer (51). The water-soluble polymer (51) is present such that an amount of 0.50 mass% or more relative to the negative electrode active material (50) is adsorbed onto the negative electrode active material (50), and an amount of 1.05 mass% or less is separated from the negative electrode active material (50). The negative electrode active material (50) includes a carbon material and a silicon-containing material.

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4611090A1

In a non-aqueous electrolyte secondary battery according to an embodiment, a positive electrode includes a lithium-containing transition metal composite oxide and a sulfonic acid compound present on the surface of particles of the composite oxide. The sulfonic acid compound is represented by formula (I). In the formula, A is a Group 1 or Group 2 element, R is a hydrocarbon group, and n is 1 or 2. A negative electrode includes a silicon-containing material (50). The silicon-containing material (50) contains an ion-conducting phase (51) and a Si phase (52) dispersed in the ion-conducting phase (50), and the size of the Si phase (52) is 110 nm or less.

A METHOD FOR SEPARATING MANGANESE IN LEACHING OF COBALT AND/OR NICKEL FROM DELITHIATED SOLID RAW MATERIAL AND USE OF DELITHIATED SOLID RAW MATERIAL COMPRISING CATHODE MATERIAL

Resumen de: FI20235028A1

The present disclosure provides a method for separating manganese in leaching of cobalt and/or nickel, the method comprising providing a leach solution comprising cobalt and/or nickel, providing manganese in the leach solution as the only reducing agent, and allowing the manganese to precipitate as manganese dioxide while the cobalt and/or nickel are dissolved. The present disclosure also provides use of material comprising cathode material or leaching solution obtained from material comprising cathode material in the method.

SOLID-STATE MICROWAVE ROUTE TO CATION-DISORDERED ROCKSALT OXIDE AND OXYFLUORIDE CATHODES

Resumen de: CN120112487A

Ionic solids (e.g., disordered rock salt oxide/oxyfluoride (DRX) compositions) useful as lithium ion cathodes are synthesized by microwave processes that are two orders of magnitude faster than conventional solid and mechanochemical synthesis processes. The microwave synthesis can be carried out in ambient air, so that the synthesis time, the energy consumption and the cost are greatly reduced. In one illustrative embodiment of the method, the precursor powders are mixed and pressed into pellets. Then putting the pellets into a ceramic crucible surrounded by activated carbon; and then the crucible is placed in 1200W microwaves to be continuously heated for 5-20 minutes. And after the microwave radiation is stopped, immediately and quickly taking out the pellets from the crucible, and quenching in water. The pellets are then dried and milled into a powder, which is the final DRX product.

FLUORIDE PARTICLE DISPERSION

Resumen de: EP4610309A1

Provided is a liquid dispersion of fluoride particles suitable for an optical material of an optical film such as an antireflection film, an electrode material of a secondary battery, and the like by satisfactorily dispersing fluoride particles even without using a dispersant containing a conventional surfactant. The liquid dispersion of fluoride particles according to the present invention is characterized by including an organic solvent, fluoride particles dispersed in the organic solvent, and polyvinylidene fluoride as a dispersant for dispersing the fluoride particles.

BATTERY

Resumen de: EP4611165A1

A battery disclosed includes a case, an electrode group, a sealing unit including a conductive cap, a terminal plate 60 joined to an opening edge of the case, and an insulating plate 70 that electrically insulates the conductive cap from the terminal plate 60. The case and the terminal plate 60 are electrically connected to a first electrode, while the conductive cap is electrically connected to a second electrode. The terminal plate 60 has a first connection region to which a first external terminal 101 is to be connected. The conductive cap has a second connection region to which a second external terminal is to be connected. The terminal plate 60 has a planned breaking part 64 between the first connection region and a joint part 63 thereof joined to the opening edge of the case. The planned breaking part 64 breaks when the internal pressure of the case exceeds a predetermined value, separating the terminal plate in the axial direction of the case into a broken piece 65 on the outer peripheral side and a broken piece 66 on the inner peripheral side. Thus, a battery having a current interruption function can be provided.

BATTERY PACK

Resumen de: EP4611140A1

The present disclosure provides a battery pack that can reduce adverse effects on an adjacent secondary battery cell. A battery pack 100 includes a plurality of secondary battery cells 1, each of which has a gas discharge port 1a on an end face, a battery holder 20 that holds the plurality of secondary battery cells 1, one or more lead plates 30 that couple end faces of adjacent secondary battery cells 1 among the plurality of secondary battery cells 1, and a baffle plate 40 having a plurality of protrusions and depressions that generate a pressure difference in gas discharged from the secondary battery cells 1. The plurality of protrusions and depressions are provided between the end faces of the adjacent secondary battery cells 1 by being disposed on at least one of a face of the battery holder 20 opposite the lead plate 30 and a face of the lead plate 30 opposite the battery holder 20.

HYDRAULIC SYSTEM FOR CONSTRUCTION MACHINE

Resumen de: EP4610436A1

A hydraulic system (2) of a construction machine according to one embodiment includes: an electric motor (21) that is supplied with electric power from a battery (13); a hydraulic pump (33) that is driven by the electric motor (21); and a circulation pump (71) that circulates cooling water through a circulation passage (7) that extends through the battery (13) and a radiator (76). The hydraulic system (2) further includes: a heat exchanger (24) that is connected to the circulation passage (7) in parallel with the radiator (76); a first switching valve (52) that switches whether or not to supply hydraulic oil that has been delivered from the hydraulic pump (33) to the heat exchanger (24); and a second switching valve (74) that switches whether to supply the cooling water that has passed through the battery (13) to the radiator (76) or to the heat exchanger (24).

METHOD AND SYSTEM FOR ALARMING USER OF A VEHICLE

Resumen de: WO2024089708A1

The present disclosure provides a method and a vehicle to generate alarm signals for alarming a user relating a malfunctioning main battery (102). The present disclosure provides a BMS (104) which is configured to selectively enable flow of power from an auxiliary battery (106) or the main battery (102) to the at least one of the pluralities of vehicle component (118,120,122, 124). The BMS (104) selectively enables the flow of power based on riding condition of the vehicle and when one or more conditions associated with one or more parameters are satisfied. The flow of power to the at least one of the pluralities of vehicle component (118,120,122, 124) generates an alarm signal for the user, the surrounding vicinity of the vehicle, and other emergency contacts of the vehicle and the user.

METHOD AND SYSTEM FOR DETERMINING REUSABILITY OF A BATTERY

Resumen de: GB2623892A

A method of determining the reusability of a battery includes: measuring an open circuit voltage (OCV) for each of a plurality of cells in the battery 104; performing an electrochemical dynamic response (EDR) test on the battery to derive impedance and lithium transport parameters for each of the cells 106; performing a resistance test on a plurality of wires and connectors to identify defective wires or connectors 108; and measuring a flow of current in a plurality of charge balancing circuits to identify a malfunctioning charge balancing circuit based on the determined current drainage 110. One or more outlier cells are identified from these tests 114. Outlier cells found to be damaged or defective may be removed from the battery and either repurposed or recycled. This may be done on the basis of a degradation pathway predicted for the cells over the lifetime of the battery.

METHOD FOR CONNECTING AN ARRESTER TO A POLE CAP OF A BATTERY CELL

Resumen de: CN120202589A

The invention relates to a method for connecting a trap (20) to an inner side (11) of a pole cap (10) of an electrochemical cell (100), in which a drawing mandrel (30) is pushed through an opening (12, 12 ') of the pole cap (10) and/or through an opening (23) or a recess (24) of the trap (20), the drawing mandrel (30) is designed to at least temporarily form a mechanical connection between the drawing mandrel (30) and the catch (20) at a portion (31 ''), or the drawing mandrel (30) is mechanically connected to the catch (20), in which a force (F) outward from the opening (12) of the pole cap (10) acts on the drawing mandrel (30) and the catch (20) presses against the inner side (11) of the pole cap (10), in which the catch (20) pressed against the inner side (11) of the pole cap (10) is connected to the pole cap (10), in particular in an electrically conductive manner.

CATHODE HAVING MULTI-LAYER CATHODE COATING

Resumen de: US2024145697A1

A multi-layer cathode coating for positive electrode of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and a secondary battery including a cathode having a multi-layer cathode coating. Multi-layer cathode coatings containing blends of one or more cathode active materials in certain weight ratios thereof.

SECONDARY BATTERY

Resumen de: EP4611066A1

To provide a means capable of reducing direct current resistance in a secondary battery of lithium-deposit type having a negative electrode intermediate layer including metal particles. A secondary battery comprising: a power generation element having a positive electrode having a positive electrode active material layer containing a positive electrode active material capable of storing and releasing lithium ions disposed on a surface of a positive electrode current collector, a negative electrode having a negative electrode current collector and lithium metal deposited on the negative electrode current collector during charging, a solid electrolyte layer intervening between the positive electrode and the negative electrode and containing a solid electrolyte, and a negative electrode intermediate layer intervening between the negative electrode current collector and the solid electrolyte layer and containing metal particles made of at least one metal material; wherein a molar percentage of oxygen present on the surface of the metal particles, as determined by X-ray photoelectron spectroscopy, is more than 2 mol% and less than 88 mol% with respect to 100 mol% of total atoms, is provided.

THREE-DIMENSIONAL NETTED STRUCTURE COMPOSITE MATERIAL FOR LITHIUM BATTERY, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4611074A1

Disclosed in the present invention are a three-dimensional netted structure composite material for lithium batteries, and a preparation method and the use thereof.The three-dimensional netted structure composite material comprises:a porous carbon microsphere containing netted structure through holes, silicon nanowires distributed in the through holes of the porous carbon microsphere, and a carbon shell. The silicon nanowires are formed by catalyzing, by means of Au or Ag,a silicon-containing gas and depositing same in the through holes; or the silicon nanowires are formed by depositing a silane gas in the through holes to form silicon oxide nanoparticles, then electrolyzing the silicon oxide nanoparticles in the through holes undder a molten salt system. The silicon nanowires form three- dimensional netted structures in through holes of the porous carbon microsphere. Applying the three- dimensional netted structure composite material as a negative electrode active material in a lithium battery can endow the lithium battery with a relatively low volume expansion rate, a relatively high mass specific capacity, and good conductive performance and cycling stability.

CARBON-SILICON COMPOSITES AND METHOD OF PRODUCTION THEREOF

Resumen de: AU2023370540A1

Disclosed herein is a method for producing carbon-silicon composites. The method comprises providing a reaction mixture comprising a carbon-silica-based precursor and an aluminium reductant; heating the reaction mixture in the presence of solid or gaseous aluminium chloride, or a mixture thereof, to a temperature at which reactions that result in the silica being reduced are initiated; controlling reaction conditions whereby the reaction mixture is prevented from reaching a temperature at which thermal runaway can occur; and isolating the produced carbon- silicon composites.

METHOD AND DEVICE FOR TRANSPORTING FLAT ELECTRODE ELEMENTS

Resumen de: CN120152927A

The invention relates to a device (5) for transporting and optionally stacking planar electrode elements (1), which is designed to transport the planar electrode elements individually in succession along a transport path (10). The apparatus has a distance increasing device (12) which is arranged along the transport path of the planar electrode elements, for example upstream of the stacking device (17), and is designed to increase the distance (a) between the planar electrode elements, in particular to a processing distance (A), by accelerating the planar electrode elements in order to handle individual planar electrode elements.

METHOD AND DEVICE FOR TRANSPORTING VALUE DOCUMENTS

Resumen de: CN120152927A

The invention relates to a device (5) for transporting and optionally stacking planar electrode elements (1), which is designed to transport the planar electrode elements individually in succession along a transport path (10). The apparatus has a distance increasing device (12) which is arranged along the transport path of the planar electrode elements, for example upstream of the stacking device (17), and is designed to increase the distance (a) between the planar electrode elements, in particular to a processing distance (A), by accelerating the planar electrode elements in order to handle individual planar electrode elements.

POSITIVE ELECTRODE ACTIVE MATERIAL AND METHOD FOR MANUFACTURING A POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: US2025256984A1

A positive electrode active material for lithium-ion rechargeable batteries comprises particles having Li, M′, and oxygen. M′ comprises Ni in a content x, wherein x≥80 at %, relative to M′; Co in a content y, wherein 0.01≤y≤20.0 at %, relative to M′; Mn in a content z, wherein 0≤z≤20.0 at %, relative to M′; Y in a content b, wherein 0.01≤b≤2.0 at %, relative to M′; Zr in a content c, wherein 0.01≤c≤2.0 at %, relative to M′; D in a content a, wherein 0≤ a≤5.0 at %, relative to M′. D is selected from B, Ba, Ca, Cr, Fe, Mg, Mo, Nb, S, Si, Sr, Ti, V, W, and Zn. The material comprises secondary particles, wherein each of the secondary particles consists of at least two primary particles and at most twenty primary particles.

ALL-SOLID-STATE BATTERY

Resumen de: EP4611089A1

An object of the present invention is to provide an all-solid-state battery of lithium-deposition type which is excellent in resistance during charging, cycle characteristics, and short-circuiting rate during charging.The present invention provides an all-solid-state battery containing a power generating element containing: a positive electrode including a positive electrode active material layer containing a positive electrode active material; a negative electrode including a negative electrode current collector in which lithium metal is deposited on the negative electrode current collector during charging; a solid electrolyte layer that is interposed between the positive electrode and the negative electrode and contains a solid electrolyte; and a negative electrode intermediate layer which is present adjacent to a surface of the solid electrolyte layer on the negative electrode current collector side and contains at least one selected from the group consisting of a metal material that can be alloyed with lithium and a carbon material that can absorb lithium ions; and a binder; wherein a porosity of the negative electrode intermediate layer is 10 % or more and 70 % or less.

LITHIUM NICKEL-BASED COMPOSITE OXIDE AS A POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM-ION RECHARGEABLE BATTERIES

Resumen de: CN120129661A

The present invention relates to a positive electrode active material for a lithium ion rechargeable battery, where the positive electrode active material comprises Li and transition metals such as Ni, optionally Co, optionally Mn and Nb, where the positive electrode active material is coated with B, and where the specific surface area of the positive electrode active material is higher than or equal to 0.50 m2/g and lower than or equal to 1.50 m2/g.

METHOD AND DEVICE FOR RECYCLING LITHIUM-ION BATTERIES

Resumen de: WO2024089266A1

The invention relates to a method and a device for recycling lithium-ion accumulators comprising one or more cells (13), wherein the cells (13) each contain electrode stacks (15) with strip-like electrodes (16, 19), and the strip-like electrodes (16, 19) each comprise an electrically conductive carrier strip (18, 21) coated with an active material (17, 20).

METHOD FOR RECYCLING ALKALI METAL BATTERIES AND BATTERY PROCESSING SYSTEM

Resumen de: MX2025004876A

The invention relates to a method for recycling alkali metal batteries (12), in particular Li batteries or Na batteries, which have an active material, a carrier foil on which the active material is arranged, binder by means of which the active material is bound to the carrier foil, a liquid electrolyte, conducting salt (38) and a housing that encloses the active material, carrier foil and binder, with the step of comminuting the alkali metal batteries (12) such that the comminuted material, the black matter (30), which contains the active material and the binder, is produced, with the steps of washing the comminuted material with a washing solvent (36) such that conducting salt (38) is washed out and the binder is not washed out such that low- conducting-salt comminuted material and a washing liquid (40) are obtained, regenerating the washing solvent (36) from the washing liquid (40), and in particular by distilling, and washing the comminuted material with at least some of the regenerated washing solvent (36). The invention also relates to a battery preparation system for recycling alkali metal batteries (12), in particular Li batteries or Na batteries.

TANK AND TUBE ASSEMBLY FOR A HEAT EXCHANGER

Resumen de: CN120202392A

A thermal control device has a thermal control device base, a connection block attached to the thermal control device, and a conduit for a heat exchange fluid attached to the connection block. The conduit has a conduit extension axis and a conduit sidewall. The connection block includes a connection block receiving section that receives a portion of the conduit sidewall. The connection block is configured to facilitate heat exchange between the conduit sidewall and the thermal control device.

INSULATING SEPARATOR FOR AN ELECTRIC BATTERY

Resumen de: MX2025004615A

The present invention relates to a separator (1) able to separate two cells (2) of a battery (3), for example a battery of an electric or hybrid-electric vehicle, said separator (1) comprising at least one insulating layer comprising a composite material (4), said composite material (4) comprising a binder mixed with aerogel particles (5), the volume content of said aerogel particles (5) in said composite material (4) being greater than 20% and the binder being a mineral binder. The present invention also relates to a battery comprising a separator according to the invention, and to a method for manufacturing the separator according to the invention.

AN APPARATUS AND A METHOD FOR MANUFACTURING SLABS FROM CATHODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES

Resumen de: WO2024089573A1

Described is an apparatus (1) for manufacturing slabs (2) from powdery raw material. The powdery raw material is cathode active material for rechargeable batteries. The apparatus (1) comprises: a lower die (3), defining a moulding cavity (4); an upper die (6) provided with an upper punch (601). The upper die (6) and the lower die (3) are movable relative to one another along a vertical direction (V) between an open position and a pressing position. The upper die (6) and the lower die (3) are also displaceable to a pre-pressing position where the moulding cavity (4) is closed by the upper punch (601) but is in air communication with a surrounding air volume. The apparatus (1) also comprises a vacuum system for sucking air from the moulding cavity (4) when in the pre-pressing position and to keep a negative pressure inside the moulding cavity when in the pressing position.

CATHODE AND METHOD FOR PRODUCING SAME

Resumen de: CN120092326A

The invention relates to a method (110) for producing a cathode (112), to a cathode (112) produced by such a method and to a battery comprising such a cathode (112). The method (110) comprises the steps of: a) supplying a current collector (114) wherein at least a surface (116) of the current collector has an electrically conductive material (118); b) coating a surface (116) of the current collector (114) with a carbon-containing layer (120), and c) applying a cathode active material (124) to the carbon-containing layer (120), the carbon-containing layer (120) comprising more than 60 wt% and less than 80 wt% of carbon and at least one polymer as binder, and at least step b) being carried out at a temperature of at least 30 DEG C to at most 70 DEG C.

METHOD FOR SYNTHESIZING CRYSTALLINE LAYERS OF MANGANESE OXIDES, IN PARTICULAR FOR RECHARGEABLE BATTERIES

Resumen de: WO2024089193A1

The invention relates to a method (100) for synthesizing at least one crystalline layer of manganese oxides that can contain zinc, of formula ZnxMnyOz, where x is greater than or equal to 0, y is greater than 0, and z is greater than 0, the method being implemented in a chamber of a low-pressure plasma reactor, kept between 10 Pa and 105 Pa, the method comprising forming a plasma discharge (110) from a plasma-generating gas; adding (120), in the form of a nebulizate, a predetermined amount of a manganese precursor; adding (130) a reactive gas so as to create oxygen vacancy defects in the layer of manganese oxides, and/or so as to maintain a controlled redox environment; synthesizing and depositing (140), on a substrate, the at least one crystalline layer of manganese oxides that can contain zinc, these operations being carried out at a substrate temperature of 400°C or less, advantageously 200°C or less.

LAMINATING DEVICE FOR LAMINATING MULTILAYER ENDLESS WEBS FOR PRODUCING ENERGY CELLS

Resumen de: CN120019512A

The invention relates to a lamination device for a multilayer continuous web (3) for producing energy cells, consisting of at least one separating web (4, 6) and at least one electrode, having a pressing device which laminates the multilayer continuous web (3) under pressure, wherein the pressing device has two pressing surfaces (24, 25), by means of which the pressing device is in contact with different sides of the continuous web (3), and the pressing surfaces (24, 25) are conditioned differently.

CONNECTION BLOCK FOR HEAT EXCHANGER AND COOLING DEVICE COMPRISING SAME

Resumen de: CN120051664A

The present invention relates to a connection block (30) configured to sealingly connect an expansion member to a heat exchanger, the connection block (30) comprising: a refrigerant inlet (370); first and second refrigerant outlets (320, 340), the refrigerant inlet (370) and the first and second refrigerant outlets (320, 340) being arranged on a contact surface (360) in contact with the heat exchanger; and a receiving device (380) for receiving the expansion member, connected to the refrigerant inlet (370) by a branch (310) of the connection block (30), to the first refrigerant outlet (320) by a first flow channel (330) of the connection block (30), and to the second refrigerant outlet (340) by a second flow channel (350) of the connection block (30).

LAMINATING APPARATUS FOR LAMINATING MULTILAYER ENDLESS WEBS FOR PRODUCING ENERGY CELLS

Resumen de: CN119947893A

The invention relates to a laminating device for producing a multilayer continuous web (3) for an energy cell, consisting of at least one separating web (4, 6) and at least one electrode, comprising a pressing device which laminates the multilayer continuous web (3) by means of a pressing surface under pressure. The pressing surface has a plurality of sections with different elastic rigidities.

LAMINATING DEVICE FOR LAMINATING MULTILAYER ENDLESS WEBS FOR PRODUCING ENERGY CELLS

Resumen de: CN119948634A

The invention relates to a laminating device for a multilayer endless web (3), the first endless web consisting of at least one insulating web (4, 6) and at least one electrode (5), for the production of energy cells, having a pressing device which laminates the multilayer endless web (3) while applying pressure. According to the invention, the pressing device has a pressing surface with at least one recess which is arranged in such a way that, when the pressure is applied, the recess overlaps at least one of the edges (14, 15, 16, 17) of the electrode (5, 7).

LAMINATING DEVICE FOR LAMINATING MULTILAYER ENDLESS WEBS FOR PRODUCING ENERGY CELLS

Resumen de: CN119968724A

A lamination device for a multilayer continuous web (3) for manufacturing an energy cell comprises a pressing device for laminating the multilayer continuous web (3) by applying pressure wherein the multilayer continuous web consists of at least one separator web (4, 6) and at least one electrode (5). According to the invention, the pressing device has a pressing surface with at least one outwardly projecting projection, which pressing surface is arranged in such a way that, when a pressure is applied, the pressing surface is in contact with a section of the continuous web (3) which adjoins the edge side of the electrode (5).

CASE COMPONENT, BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4611147A1

The embodiment of the present application provides a housing component, a battery cell, a battery and an electrical device, belonging to the field of battery technology. The housing component is used for the battery cell, and the housing component has a first surface, and the first surface is provided with a sink groove, and the bottom wall of the sink groove includes a first area and a second area, and the thickness of the first area is less than the thickness of the second area, and at least a part of the first area is provided with a notch groove, and the housing component is configured to rupture at the notch groove to release the pressure inside the battery cell. The housing component has low difficulty in processing and manufacturing, and low processing and manufacturing costs, thereby reducing the processing and manufacturing costs of the battery cell and the battery.

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611145A1

Embodiments of this application provide a battery and an electric apparatus. The battery includes a battery pack and a reinforcing member. The battery pack includes multiple battery cells stacked along a first direction; and the reinforcing member extends along the first direction; where the reinforcing member is disposed on at least one side of the battery pack along the first direction, and the reinforcing member is connected to the battery pack. Multiple battery cells are stacked into sets and the arranged battery packs are connected to a same reinforcing member, enhancing the stiffness of the battery with this structure, and making it less likely to deform when subjected to collision and compression. This also improves the vibration resistance of the battery and enhances the reliability and safety of the battery.

NEGATIVE ELECTRODE SHEET AND ELECTRODE ASSEMBLY COMPRISING SAME, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4611056A1

A negative electrode plate and an electrode assembly, a battery cell, a battery, and an electric apparatus containing the same are provided. The negative electrode plate (10) includes: a negative electrode current collector, having a first surface (10a) and a second surface (10b) opposite each other in a thickness direction of the negative electrode current collector; a first negative electrode film layer located on the first surface side, the first negative electrode film layer including first silicon-based negative electrode active material particles; and a second negative electrode film layer located on the second surface side, the second negative electrode film layer including second silicon-based negative electrode active material particles; where a capacity C1 per unit area of the first negative electrode film layer and a capacity C2 per unit area of the second negative electrode film layer satisfy: 0.005 mAh/mm<2>≤C2.

BATTERY PACK

Resumen de: EP4611158A1

A battery pack may include a plurality of battery cells stacked in a first direction, and busbars extending in the first direction and configured to electrically connect at least two adjacent battery cells among the plurality of battery cells. Each of the at least two adjacent battery cells among the plurality of battery cells may include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in a second direction. Further, the cell lead may include a first part disposed closer to the cover than a second part. In addition, a maximum dimension of the second part may be greater than a maximum dimension of the first part in the first direction, and each of the busbars may extend in the first direction to electrically connect adjacent second parts to each other.

CONDUCTIVE SLURRY FOR SECONDARY BATTERY ELECTRODE, SECONDARY BATTERY ELECTRODE, AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611075A1

Provided is a conductive slurry for a secondary battery electrode that reduces the viscosity of a conductive slurry while simultaneously reducing the surface resistance of a film made from the conductive slurry. One embodiment of the present disclosure provides a conductive slurry for a secondary battery electrode comprising: a conductive material; and a dispersant, wherein the dispersant comprises a cellulose-based compound and an organic acid salt.

BATTERY MODULE TO WHICH FLAME RETARDANT COVER IS ATTACHED

Resumen de: EP4611143A1

The present invention provides a structure of a battery module including: a battery cell laminate formed by stacking a plurality of pouch-type battery cells; a frame having open front and rear ends, and accommodates the battery cell laminate; a pair of end plates covering the front and rear ends of the frame; and a flame retardant cover attached to a predetermined area of a surface of the frame, wherein the predetermined area is divided into a plurality of areas, the flame retardant cover includes a plurality of divided covers attached to cover the plurality of areas, respectively, and the frame includes: an upper surface having two or more divided covers attached thereto; and two side surfaces having two or more divided covers attached thereto, respectively.

System for controlling assets of an energy installation based on grid import/export constraints

Resumen de: GB2638785A

A method for controlling an energy installation at a property 121, the energy installation comprising a solar photovoltaic (PV) electricity generator 128 for providing electricity to one or more consumers 124, 132 at the property and a battery 126 for storing the generated electricity. The method comprises, for each of a series of control intervals: determining a battery charge level; obtaining generation forecast data indicating an estimate of electricity generated over the interval; obtaining consumption forecast data indicating an estimate of electricity consumed over the control interval by the one or more consumers; computing, based on the battery charge level, the generation forecast data and the consumption forecast data, a battery control schedule indicating times at which to charge and/or discharge the battery; and controlling charging and/or discharging of the battery during the control interval in dependence on the battery control schedule. Optionally, determining the generation forecast data in dependence on one or more of: specification data of the PV electricity generator, information indicative of a current date or available sunlight hours, and weather data. The consumption forecast data may be based on historical consumption data for the property and/or consumption data for one or more other properties.

METHOD FOR MANUFACTURING LITHIUM SECONDARY BATTERY

Resumen de: EP4611115A1

The present invention relates to a method for manufacturing a lithium secondary battery, which includes a first step of preparing a battery case, a second step of disposing an electrode assembly in the battery case and injecting an electrolyte such that electrolyte mass per unit capacity is a (g/Ah) to assemble a battery cell, a third step of activating the battery cell, and a fourth step of precharging/discharging the activated battery cell b times, wherein Equation 1 below is satisfied, 15≤486.77−373.09×e−0.006b×a0.29≤30 wherein in Equation 1 above, a is an integer of 2.0 to 3.0 and b is an integer of 0 to 3.

ANODE-FREE BATTERY

Resumen de: EP4611077A1

Provided is a negative electrode-free battery which includes: a positive electrode; a negative electrode facing the positive electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the positive electrode includes a positive electrode active material, the positive electrode active material includes a lithium transition metal oxide, the negative electrode includes a negative electrode current collector for a negative electrode-free battery, the negative electrode current collector for a negative electrode-free battery includes a metal current collecting substrate, the metal current collecting substrate includes a space portion, at least a portion of which is exposed to the outside, and a specific relational formula is satisfied.

ELECTRODE ASSEMBLY, BATTERY INCLUDING SAME, AND BATTERY PACK AND AUTOMOBILE INCLUDING SUCH BATTERY

Resumen de: EP4611167A1

Disclosed is an electrode assembly having a structure in which a stack including a first electrode, a second electrode, and a separator interposed therebetween is wound. The first electrode and the second electrode have an uncoated portion provided at a long side end and not coated with an active material and a coated portion coated with the active material, respectively. On a first surface of the first electrode and a second surface opposite to the first surface, a first insulation layer and a second insulation layer extending by a predetermined length from a region including a boundary between the coated portion and the uncoated portion toward an end of the uncoated portion are provided, respectively.

BATTERY FAULT DIAGNOSIS DEVICE AND OPERATING METHOD THEREFOR

Resumen de: EP4610681A1

A battery abnormality diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain voltage-state-of-charge (SOC) profiles of a plurality of battery units, an identifying unit configured to identify a designated first number of ranks of each of the plurality of battery units, based on the voltage-SOC profiles, and a diagnosing unit configured to diagnose abnormality of the plurality of battery units, based on relative positions of the ranks.

A battery pack, a battery module, a battery cell and a method for producing a battery cell

Resumen de: GB2638728A

A battery module (22) comprising at least two battery cells (12), each with a base area (14), which corresponds to a hexagonally flattened circle, and a lateral area (16), which comprises six flattened zones (18) predetermined by the base area (14), and two of the at least two battery cells (12) are in contact with one another via one of the flattened zones (18) of their lateral areas (16), wherein the battery cells (12) are arranged such that the two flattened zones (18) in contact are arranged congruently in a honeycomb pattern. The contact area between the flattened zones may be built by an adhesive or sheet covering the battery cells. The lateral areas of the battery cells may be used as a terminal possibly a positive contact and/or made of aluminium or possibly a negative contact and/or made of stainless steel. An insulation layer (20) may be arranged between two of the battery cells possibly as part of a cooling system. The battery cell may be built with a jelly roll design. The method of producing shape of the cell may be applying pressure to the lateral area of the battery cell housing.

BATTERY CELL ASSEMBLY AND BATTERY PACK INCLUDING THE SAME

Resumen de: WO2025042265A1

A battery cell assembly, including: a cell block including a plurality of battery cells; and a side frame disposed on one side surface of the cell block, wherein the side frame includes a side wall portion and a flange portion disposed on the side wall portion on a side opposite the cell block and configured to be fastened to an external support structure, and wherein the side wall portion includes a hollow space formed throughout an inside thereof.

NEGATIVE ELECTRODE SHEET, BATTERY CORE, AND ELECTRIC DEVICE

Resumen de: EP4611097A1

Provided are a negative electrode sheet, a battery core, and an electric device. The electric device includes the battery core. The battery core includes the negative electrode sheet. The negative electrode sheet includes a first region and a second region. The second region surrounds the first region. A surface density of an active material in at least part of the second region is less than a surface density of an active material in the first region. The present disclosure reduces a probability of lithium precipitation at an edge of an electrode sheet.

ELECTRODE ASSEMBLY, METHOD FOR FABRICATING ELECTRODE ASSEMBLY, AND SECONDARY BATTERY INCLUDING ELECTRODE ASSEMBLY

Resumen de: EP4611092A1

An electrode assembly, a method for fabricating the electrode assembly, and a secondary battery including the electrode assembly are disclosed. An electrode assembly includes a pair of electrode plates, a separator between the pair of electrode plates, and an electrode tab including a plurality of conductive wires arranged side by side in a width direction, and each of the plurality of conductive wires includes an overlapping part that overlaps an electrode plate of the pair of electrode plates to be bonded to the electrode plate, and a protruding part connected to the overlapping part and protruding to an outside at a boundary of the electrode plates.

THERMAL RUNAWAY PROOF BATTERY CONNECTOR

Resumen de: EP4611113A1

A battery case, connector, and method of forming are provided. The battery case includes, an outer wall (110), a plurality of first wires internal to the battery enclosure, and a battery connector. The battery connector includes an external connector, a circuit board (150) connected to the external connector (140) on a first side through a hole in the outer wall (110) and connected to the plurality of first wires on a second side opposite the first side, where the circuit board (150) is further bonded to an internal side of the outer wall (110) on a portion of the first side, and a plate (160) bonded to the second side of the circuit board (150) opposite the first side, where the plate (160) completely covers a footprint of the hole in the outer wall (110) through which the external connector (140) attaches to the circuit board, but does not cover connection points for the plurality of first wires.

POSITIVE ELECTRODE SHEET AND PREPARATION METHOD THEREFOR, AND BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611053A1

A positive electrode sheet and a preparation method therefor, and a battery and an electric device. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer, which is arranged on at least one side surface of the positive electrode current collector and comprises a positive electrode active material, wherein the positive electrode active material comprises a sodium-containing positive electrode active material. The thickness of the positive electrode sheet satisfies Dmax/Dmin being 104.5%-300%. After the positive electrode sheet and a negative electrode sheet are assembled into a battery, the thickness of the positive electrode sheet is Dmax when the battery is at 0% SOC, and the thickness of the positive electrode sheet is Dmin when the battery is at 100% SOC. The negative electrode sheet comprises a negative electrode current collector. When the battery is at 100% SOC, at least one side surface of the negative electrode current collector is provided with a sodium metal layer.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611094A1

Provided in the present application is a secondary battery. The secondary battery comprises: a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network crosslinked pore structure; and the electrolyte comprises a cyclic carbonate compound represented by formula I. By means of the cooperation of the three-dimensional network crosslinked pore structure of the silicon-carbon composite material and the cyclic carbonate compound of the electrolyte, the volume effect of an active material during the charging and discharging process is inhibited, the direct current resistance and gas output of the battery are reduced, and the cycle capacity retention rate of the battery is improved.

SECONDARY BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4611062A1

The present application provides a secondary battery and an electrical apparatus. The secondary battery comprises: a negative pole piece and an electrolyte, the negative pole piece comprising a silicon-carbon composite material having a three-dimensional-network cross-linked pore structure; and the electrolyte comprising lithium fluorosulfonyl imide. The three-dimensional-network cross-linked pore structure of the silicon-carbon composite material acts in connect with the lithium fluorosulfonyl imide in the electrolyte to enhance the high-temperature cycle performance and the storage performance of the battery.

An electronic cigarette with an easily detachable refill container

Resumen de: GB2638806A

An e-cigarette comprises, from top to bottom: a mouthpiece 1; an atomiser portion 2; a battery portion 3; and a refill container 4. A lower end of the mouthpiece 1 fits onto an upper end of the atomiser portion 2, a lower end of the atomiser portion 2 fits onto an upper end of the battery portion 3, the battery portion 3 has an inverted L-shape structure, and the battery portion 3 has an empty side comprising an installation notch 31 which detachably receives the refill container 4. One or more slide grooves 32 may be set on the side of the battery portion 3 facing the installation notch 31, wherein the refill container 4 has a slider matching the slide groove(s) 32. A limiting notch 33 may be set on the side of the battery portion 3 with a corresponding limiting protrusion 42 on the refill container 4, and a guide notch 34 with an inclined surface may be set below the limiting notch 33 such that when the refill container 4 is slidably engaged with the battery portion 3 and fully received in the installation notch 31, the limiting protrusion 42 engages with the limiting notch 33.

TAB ASSEMBLY, SECONDARY BATTERY, BATTERY MODULE, AND ELECTRICAL DEVICE

Resumen de: EP4611136A1

A tab assembly (100) includes a tab (1) and a tab adhesive (2). Along a thickness direction (X) of the tab (1), the tab (1) includes a first surface (11) and a second surface (12) opposite to each other. Both the first surface (11) and the second surface (12) are provided with the tab adhesive (2). The tab adhesive (2) provided on the first surface (11) and the tab adhesive (2) provided on the second surface (12) jointly wrap the tab (1). Along a length direction (Y) of the tab (1), the tab (1) includes a first end (1a) and a second end (1b) opposite to each other. The tab adhesive (2) includes a first layer (21) and a second layer (22). The first layer (21) and the second layer (22) are stacked along a direction from the first end (1a) to the second end (1b). The first layer (21) includes a first adhesive body (211). The second layer (22) includes at least one layer of a second adhesive body (221). A material of the second adhesive body (221) comprises one or more selected from the group consisting of polyethylene, polypropylene and polyethylene terephthalate. A thickness of the tab (1) is Ti, and a thickness of the second adhesive body (221) is T2, Ti ≥ 80 µm, and T2 ≤ 70 µm.

METHOD OF REFINING METAL AND METHOD OF FABRICATING POSITIVE ELECTRODE ACTIVE MATERIAL USING THE SAME

Resumen de: EP4609932A1

Methods of refining metals and methods of manufacturing positive electrode active materials are disclosed. The methods of refining metals comprise preparing an acid solution that includes an impurity and metal, adding a filtration aid to the acid solution to make a precipitation reaction solution, and filtering the precipitation reaction solution to separate a liquid including the metal and a solid including the impurity and the filtration aid. The filtration aid includes one or more of silicon dioxide (SiO₂), aluminium oxide (Al₂O₃), calcium hydroxide (Ca(OH)₂).

BATTERY CORE, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: EP4611114A1

The present disclosure relates to a battery core, a battery pack, and an electric device. The battery core includes a cover plate assembly, a housing, a pole core, a spacer, and a monitoring module. The pole core is fixed in an inner cavity formed by enclosing the cover plate assembly and the housing. The spacer is fixed to a side of the pole core facing the cover plate assembly. The pole core is provided with a tab. The tab passes through the spacer and is fixed to the cover plate assembly. The monitoring module is fixed to the cover plate assembly or the spacer. The monitoring module is electrically connected to the tab to supply power to the monitoring module. In the present disclosure, the monitoring module of the battery core is integrated on the cover plate assembly or the spacer, which improves connection strength between the monitoring module and the battery core, so that the monitoring module has higher reliability. In addition, a power supply line of the monitoring module may be arranged along the cover plate assembly or the spacer, to reduce an impact of an environment on the monitoring module, so that the monitoring module has a better monitoring effect. In addition, a battery core assembly step is simplified, and assembly efficiency of the battery core is improved.

LITHIUM SILICON OXIDE, NEGATIVE ELECTRODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

Resumen de: EP4611067A1

The present invention relates to a lithium silicon oxide in which gas generation is suppressed when an aqueous slurry is applied, a negative electrode comprising same, and a lithium secondary battery comprising the negative electrode. In a ²⁹Si NMR spectrum obtained through ²⁹Si solid state magic angle spinning (MAS) NMR measuring, the lithium silicon oxide has, within a range of -88 to -99 ppm, a first peak having a width of 0.2 to 2.0 ppm and a second peak having a width of 3 to 10 ppm, wherein the ratio of the integral of the first peak to the integral of the second peak (first peak/second peak) is greater than 0.22 and less than or equal to 0.31.

POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE POLE PIECE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4611064A1

Embodiments of this application relate to a positive electrode active material, a positive electrode plate, a secondary battery, and an electric device. The positive electrode active material includes a first active material and a second active material. The first active material includes a compound having a molecular formula of Li_1+xFe_1-yA_yP_1-zQ_zO₄ and a modified compound thereof. The second active material includes a compound having a molecular formula of Li_hNi_jCo_kM1_dM2_eO_fR_g and a modified compound thereof. The embodiments of this application can improve capacity utilization and cycle performance of a secondary battery.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611130A1

This application discloses a battery cell, a battery, and a power-consuming apparatus. The battery cell includes a housing, a first insulating film, and an adhesive layer. The housing includes a first part and a second part, the first part is connected to the second part, and a surface energy of the second part is greater than a surface energy of the first part. The first insulating film covers at least one part of the housing. The adhesive layer is disposed between the second part and the first insulating film and configured to connect the first insulating film to the second part. Technical solutions provided in this application can improve reliability of the battery.

ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: EP4611096A1

An electrolyte for a lithium secondary battery according to exemplary embodiments may include an additive including a compound having a specific structure, an organic solvent and a lithium salt. Accordingly, a lithium secondary battery including the electrolyte for a lithium secondary battery may have improved flame retardant characteristics and lifespan characteristics while suppressing a thickness increase in a high temperature environment.

ELECTROCHEMICAL DEVICE INCLUDING POROUS SEPARATOR

Resumen de: EP4611154A1

Electrochemical devices are disclosed for various applications such as secondary batteries. In an embodiment, an electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte. The separator includes a porous separator including inorganic fibers or including inorganic particles and a polymer binder, and the electrolyte includes a nitrile-based compound. The electrochemical device exhibits high ionic conductivity by including the porous separator having wettability to the electrolyte.

ELECTRODE ASSEMBLY FOR SECONDARY BATTERIES

Resumen de: EP4611088A1

Disclosed is an electrode assembly for secondary batteries, the electrode assembly including a first electrode plate having side A and side B on which a non-coated portion is formed at each of a first leading edge and a first trailing edge of both side-A and side-B and a positive electrode tab, a second electrode plate having side A and side B on which a non-coated portion is formed at each of a first leading edge and a first trailing edge of both side-A and side-B and a negative electrode tab, a separator interposed between the first electrode plate and the second electrode plate, a tab cover tape attached to each of the positive electrode tab and the negative electrode tab, a first insulating tape attached to the non-coated portion, and a second insulating tape attached to the non-coated portion.

CELL CARRIER FOR AT LEAST ONE ELECTRIC CELL AND A CELL MODULE HAVING A CELL CARRIER AND A PLURALITY OF ELECTRIC CELLS

Resumen de: EP4611125A1

Dargestellt und beschrieben ist ein Zellträger (2) für mindestens eine Zelle (3). Die mindestens eine Zelle (3) weist ein Zellgehäuse (4) auf. Der Zellträger (2) weist für die mindestens eine Zelle (3) eine Zellaufnahme (11) auf. Der Zellträger (2) ist aus einem Polyurethanschaum hergestellt, der ein Isocyanat und ein Polyol aufweist.Die Erfindung löst die Aufgabe, eine im Zellträger (2) angeordnete Zelle (3), welche thermisch durchgeht, thermisch und mechanisch ausreichend von ihrer Umgebung zu isolieren, sodass die Umgebung keinen Schaden nimmt.Die Aufgabe ist dadurch gelöst, dass der Polyurethanschaum ein Gemisch mit dem Isocyanat und einem ersten Teilgemisch ist, dass das erste Teilgemisch ein Gemisch mit dem Polyol und einem zweiten Teilgemisch ist und dass das zweite Teilgemisch ein Ammoniumsulfat aufweist.

BATTERY PACK

Resumen de: EP4611142A1

A battery pack (10) includes a housing (100) and battery modules (30, 300) in the housing. Each of the battery modules includes battery cells, a case (310) accommodating the battery cells, a first fire prevention sheet (360) on the case, and a first spacer (370) on the case and configured to separate the first fire prevention sheet from an upper surface of the case.

BATTERY TOP COVER, POWER BATTERY, AND ASSEMBLY PROCESS FOR BATTERY TOP COVER

Resumen de: EP4611135A1

Disclosed herein are a battery top cover, a process for assembling a battery top cover, and a power battery. The battery top cover comprises a cover assembly, a post and a pressing block. The post passes through the cover assembly and then is engaged with a mounting hole of the pressing block, a welding groove is formed on a surface of the pressing block, the welding groove is communicated with a peripheral side of the mounting hole, the post and the pressing block are fixed by welding, and the pressing block and the post respectively abut against opposite sides of the cover assembly. The present disclosure improves the assembly efficiency of the battery top cover and ensures the connection strength of the battery top cover.

BMS COMMUNICATION SYSTEM AND ESS COMMUNICATION SYSTEM THAT WIRELESSLY COMMUNICATE WITH EACH OTHER

Resumen de: EP4611110A1

A battery management system, BMS, communication system includes a battery module including a housing and a plurality of battery cells in which a battery cell comprises a voltage sensing tab, a first printed circuit board, PCB, mounted on a side of the housing of the battery module and including a temperature sensor electrically connected to the voltage sensing tab of the battery cell to measure a temperature of the battery cell, and a second PCB stacked on a surface of the first PCB and including a cell sensing module electrically connected to the voltage sensing tab and the temperature sensor to exchange signals therewith, in which an antenna pattern module is mounted on a surface of the second PCB.

TRANSITION METAL HYDROXIDE, METHOD FOR PREPARING SAME, AND METHOD FOR PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL BY USING SAME

Resumen de: EP4610231A1

The present invention relates to a transition metal hydroxide capable of providing a positive electrode active material with excellent capacity characteristics, a method for preparing same, and a method for preparing a positive electrode active material by using same. Provided are a transition metal hydroxide, a method for preparing same, and a method for preparing a positive electrode active material by using same, the transition metal hydroxide comprising polycrystalline particles composed of spherical secondary particles in which acicular primary particles are agglomerated, having a specific surface area measured by the nitrogen adsorption BET method of 23 m²/g to 43 m²/g, having a particle size distribution curve diffusion index defined by equation 1 of less than 0.7, and being represented by chemical formula 1.

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4611069A1

The present invention relates to a positive electrode active material having improved resistance and lifetime characteristics, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same, and provides a positive electrode active material represented by Formula 1 and formed of polycrystal grains composed of secondary particles in which primary particles are aggregated, wherein a surface portion porosity A defined by Equation 1 is 1% to 30%, a method for preparing the same, and a positive electrode and a lithium secondary battery which include the same.

LITHIUM MANGANESE IRON PHOSPHATE SUBSTRATE, CATHODE MATERIAL, PREPARATION METHOD, AND LITHIUM BATTERY

Resumen de: EP4611063A1

A lithium manganese iron phosphate substrate, cathode material, and their preparation method, as well as a lithium battery, belonging to the field of lithium-ion battery technology. The preparation of the lithium manganese iron phosphate substrate comprises the following steps: dissolving soluble ferrous salt, soluble manganese salt, phosphoric acid, and lithium hydroxide in deionized water to react, obtaining Material A; filtering Material A, taking the filter cake and drying it to obtain Material B; Heat treating Material B in an inert gas atmosphere to obtain the lithium manganese iron phosphate substrate. By coating the surface of the carbon-free nano lithium manganese iron phosphate substrate with metal oxides or metal salts and carbon, the coating layer formed on the surface of the composite lithium manganese iron phosphate material effectively prevents the reaction between the lithium battery and the electrolyte.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4611149A1

Embodiments of the present application provide a battery cell, a battery and an electrical device, which relate to the technical field of batteries. The battery cell includes a shell, the shell includes a pressure relief component, the pressure relief component has a first groove, and the pressure relief component is configured to be capable of cracking along the first groove, so as to release pressure in the battery cell. The first groove includes a first groove section, a second groove section and a third groove section, the first groove section and the third groove section are oppositely arranged, the second groove section is connected to the first groove section and the third groove section, and the residual thickness of the first groove section and the residual thickness of the third groove section are both less than the residual thickness of the second groove section. This is equivalent to the residual thickness of the second groove section being increased, increasing the anti-fatigue strength of the pressure relief component in the region where the second groove section is disposed, decreasing the possibility of the pressure relief component cracking in the second groove section during normal use of the battery cell, increasing the long-term reliability of the pressure relief component, and prolonging the service life of the battery cell.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611103A1

The present application provides a secondary battery and an electric device. The secondary battery comprises a battery case provided with an accommodating cavity, a battery cell assembly located in the accommodating cavity, and an electrolyte. The electrolyte comprises a chain carboxylic acid ester compound, wherein based on the total mass of the electrolyte, the mass content W of the chain carboxylic acid ester compound satisfies: 0.03 ≤ W/R ≤ 7. The secondary battery has excellent fast charging performance and long service life.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611102A1

The present application provides a secondary battery and an electrical apparatus. The secondary battery comprises a battery case having an accommodating cavity, a cell assembly disposed in the accommodating cavity, and an electrolyte containing a first additive, the first additive comprising a sulphate compound; wherein a ratio W/R of a mass percentage W of the sulphate compound to a residual space R is within a range of 0.03% to 40% based on the total mass of the electrolyte, which enables the secondary battery to achieve a balance between service life and energy density.

COMPOSITION FOR FORMING ELECTRODE PROTECTION LAYER FOR LITHIUM SECONDARY BATTERY, AND ELECTRODE AND LITHIUM SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4611076A1

The present disclosure relates to a composition for forming an electrode protective layer for a lithium secondary battery, which not only suppresses heat generation or ignition caused by external impacts, etc., and thus has excellent stability, but also makes it possible to provide electrodes and batteries having excellent conductivity and rate characteristics, and to an electrode for a lithium secondary battery and a lithium secondary battery comprising the same.

BATTERY PACK AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4611127A1

A battery pack may include a plurality of battery cells stacked in a first direction in a vertical coordinate system defined by the first direction, a second direction, and a third direction that are perpendicular to one another, and a pack case configured to accommodate the plurality of battery cells at an inner space therein. Additionally, the pack case may include an upper case and a lower case. Further, the lower case may include the inner space for accommodating the plurality of battery cells, and in which the upper case may include a first heat sink extending in the first direction.

BATTERY PACK AND MANUFACTURING METHOD THEREFOR

Resumen de: EP4611126A1

A battery pack may include a plurality of battery cells stacked in a first direction in a vertical coordinate system defined by the first direction, a second direction, and a third direction that are perpendicular to one another, and a pack case configured to accommodate the plurality of battery cells at an inner space therein. In addition, the pack case may include a pair of first outer walls extending in the first direction, a pair of second outer walls extending in the second direction, the pair of first outer walls and the pair of second outer walls defining the inner space of the pack case, a longitudinal beam provided between the pair of first outer walls and extending parallel to the pair of first outer walls, and a bottom part provided below the pair of first outer walls, the pair of second outer walls, and the longitudinal beam.

BATTERY PACK AND METHOD FOR MANUFACTURING SAME

Resumen de: EP4611159A1

A battery pack may include a plurality of battery cells stacked in a first direction, a pack case with an inner space to accommodate the plurality of battery cells, and a wiring structure provided in the pack case. Further, each of at least two adjacent battery cells among the plurality of battery cells may include an electrode assembly, a cover surrounding the electrode assembly, and a cell lead protruding from a side of the cover in the second direction. Additionally, the cell lead may include a first part of the cell lead and a second part of the cell lead, the first part being located closer to the cover than the second part. Further, the pack case may include a pair of first outer walls extending in the first direction, and a pair of second outer walls extending in the second direction.

BATTERY ABNORMALITY DIAGNOSIS DEVICE, AND OPERATION METHOD THEREFOR

Resumen de: EP4610680A1

A battery abnormality diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain voltage-state-of-charge (SOC) profiles of a plurality of battery units, an identifying unit configured to identify a designated first number of ranks of each of the plurality of battery units, based on the voltage-SOC profiles, and a diagnosing unit configured to diagnose abnormality of the plurality of battery units, based on changes of the ranks.

CATHODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611071A1

A cathode for a lithium secondary battery according to exemplary embodiments includes a lithium metal oxide containing nickel and having a strain (Q) that satisfies a predetermined relationship. The strain is a maximum value among lattice strains measured within a predetermined voltage range, and the lattice strains may be calculated from an XRD profile of the cathode. The present disclosure may provide a cathode exhibiting improved structural stability, high-temperature stability and cycle characteristics, as well as enhanced high-capacity and high-power characteristics.

POLYMER HAVING CORE-SHELL STRUCTURE, CONDUCTIVE PASTE, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4611073A1

The present application provides a core-shell structured polymer, a conductive slurry, a secondary battery, and an electrical apparatus. The core-shell structured polymer comprises a core and a shell at least partially covering the core. The core contains a building block derived from a monomer represented by formula I and a building block derived from a monomer represented by formula II, and the shell contains the building block derived from the monomer represented by the formula I and a building block derived from a monomer represented by formula III, where R₁, R₂ and R₃ are each independently selected from one or more of hydrogen, fluorine, chlorine, and fluorine-substituted C_1-3 alkyl, and R₄, R₅, R₆, R₇, R₈ and R₉ are each independently selected from one or more of hydrogen, substituted or unsubstituted C_1-S alkyl.

COMPOSITE SOLID-STATE ELECTROLYTE AND LITHIUM BATTERIES USING THE SAME

Resumen de: CN120226183A

The present disclosure relates to a composite solid electrolyte (CSE) for use in various forms of a battery including a self-supporting CSE separator, an electrode-CSE laminate, a current collector-CSE laminate, or a CSE-based mixed ion-electron conductor (MIEC) electrode. The present disclosure also relates to a method of preparing the composite solid electrolyte and a battery using the same. The disclosed CSE has at least one polymer; at least one lithium salt; a solvent plasticizer; at least one inorganic additive particle; a substrate; and one or more liquid or solid additives. The disclosed method of making a CSE provides at least one polymer, at least one lithium salt, a solvent plasticizer, at least one inorganic additive particle, and one or more liquid or solid additives as a liquid slurry, and coats a substrate with the liquid slurry.

FUNCTIONAL INTERPHASE STABILIZER FOR BATTERY ELECTRODES

Resumen de: CN120113073A

The present disclosure relates to a functional interface stabilizer for a battery having an organic non-aqueous solvent and a lithium salt soluble with the organic non-aqueous solvent. The present disclosure also relates to a battery having an anode, a cathode, a separator, a functional interfacial stabilizer having an organic non-aqueous solvent, and a lithium salt soluble with the organic non-aqueous solvent. The present disclosure also relates to a method of preparing a functional interface stabilizer comprising the steps of providing an organic non-aqueous solvent, adding a lithium salt to the organic non-aqueous solvent, and mixing the organic non-aqueous solvent with the lithium salt to form a solution.

APPARATUS FOR RECOVERY OF BASE METALS FROM GRID METALLICS

Resumen de: AU2023366988A1

Disclosed are solutions directed to the recovery of both elemental lead and lead alloy (e.g., antimonial lead) from the grid metallics of recycled LABs. The solutions may comprise in part one or more of the following: a rotating drum for rotationally hammering a mixture comprising the lead paste, the lead alloy, and a solution, wherein the rotational hammering is performed in a manner sufficient to cause the lead paste to no longer physically adhere to the lead alloy; a vessel for receiving the mixture from the drum and vibrating the mixture sufficient to cause material movement within the mixture to facilitate separation of the lead alloy from the lead paste and the solution; and/or a press for pressing the lead alloy into a pressed form.

METALLIC LITHIUM WEB COATING VIA DIRECT FLUORINATED PET FILM CARRIERS AND TRANSFER LAMINATION METHODS

Resumen de: WO2024091623A1

A method and system for producing a release layer on a carrier film is provided. The release layer is produced through direct fluorination processing of the carrier film prior to deposition of an alkali metal such as lithium. The carrier film is then laminated with a desired anode. The fluorine-based release layer allows efficient release of the deposited lithium from the carrier film after lamination while preventing contamination of the metallic lithium from outgassing by the carrier film. The release layer allows the carrier film to be configured for reuse minimizing hazardous waste and improving cost-efficiency. The carrier film may also be provided with a second fluorinated layer on the back end of the carrier film. This allows the carrier film to also be preserved.

LITHIUM METAL BATTERY ARCHITECTURE

Resumen de: WO2024091574A1

A battery architecture based on the inclusion of a solid polymer electrolyte (SPE) as a safer alternative to that of liquid electrolytes. The construction of the battery enables the battery device to store energy not only electrochemically, but also electrostatically through an electric double-layer capacitance formed by the charge separation on the interface between the electrolyte and electrodes. This architecture allows the storage of additional energy, thus exceeding the theoretical specific capacity of a conventional Li metal battery. An interfacial therapy was modified to improve Li metal stability, and to enhance mass transport at the electrolyte/anode interface.

STORAGE SYSTEM CONFIGURED FOR USE WITH AN ENERGY MANAGEMENT SYSTEM

Resumen de: US2024146089A1

A storage system configured for use with an energy management system is provided herein and comprises a rechargeable battery, a grid detection circuit operably connected to the rechargeable battery such that when an AC power source is not detected by the grid detection circuit and a voltage at the rechargeable battery falls below a threshold voltage, the grid detection circuit places the rechargeable battery into a sleep mode, and a switch operably connected to the grid detection circuit and configured to override the grid detection circuit so that rechargeable battery exits the sleep mode until a voltage at the rechargeable battery is equal to or greater than a predetermined voltage.

RELEASE LAYER FOR ALKALI METAL ON PLASTIC SUBSTRATES

Resumen de: WO2024091381A1

An alkali metal-containing film stack for energy storage devices is provided. The alkali metal-containing film stack can be a lithium film stack having a flexible support layer and a release layer disposed over the flexible support layer capable of separating from the flexible support layer. The release layer includes one or more nanosheets, such as two-dimensional materials. An alkali metal-containing layer, such as a lithium layer is disposed over the release layer.

BINDER COMPRISING POLYAMIDE POLYMER, POSITIVE ELECTRODE FOR SECONDARY BATTERY COMPRISING BINDER, AND SECONDARY BATTERY COMPRISING POSITIVE ELECTRODE

Resumen de: EP4610294A1

The present invention relates to: a binder comprising a polyamide polymer containing a monomer unit including an aromatic ring; a positive electrode slurry comprising same; a positive electrode; and a secondary battery.

POLYMER COMPOSITION FOR SEPARATOR, AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611153A1

The present invention relates to a polymer composition, and a slurry composition, a separator and a secondary battery comprising same, the polymer composition comprising: a particle-type polymer comprising a carboxyl group or an alcohol group; and a chain-type polymer comprising a carboxyl group or an alcohol group (if the particle-type polymer comprises the carboxyl group, the chain-type polymer comprises the alcohol group and, if the particle-type polymer comprises the alcohol group, the chain-type polymer comprises the carboxyl group).

SOLID ELECTROLYTE AND ELECTRODE FOR A SOLID-STATE BATTERY COMPRISING FUNCTIONAL FILLERS AND DISPERSING AGENTS, AND METHODS FOR PRODUCING THE SAME

Resumen de: EP4611098A1

The technology of the present invention generally relates to the field of power storage devices, and more specifically to a clay mineral modified solid electrolyte comprising a phosphate-based dispersing agent, electrodes, and methods for producing the same. In an aspect of the invention, the method comprises the steps of: mixing an alkoxide compound selected from the group consisting of silica alkoxide, alumina alkoxide, zirconium alkoxide, and mixtures thereof; a polyether compound comprising two end groups of which at least one end group is a functional end group selected from the group consisting of alkoxysilane, alkoxy aluminium, alkoxy zirconium, and combinations thereof; an ionically conductive compound, a metal salt, clay mineral particles, a phosphate-based dispersing agent, and a solvent to form a liquid mixture; causing gelation of the liquid mixture to form a gel mixture; and drying and/or ageing the gel mixture to form a solid electrolyte.

IMPROVED CELL STACK

Resumen de: EP4611141A1

A battery cell stack (100) is provided. The battery cell stack comprises a plurality of cylindrical battery cells (110) and a cell holder (120). The cell holder comprises a plurality of cylindrical through-holes (122) having a height smaller than a height of a battery cell. Each of the battery cells is arranged in a respective cylindrical through-hole such that the battery cell protrudes at a first side (124) of the cell holder. The battery cell stack further comprises an electrically insulating layer (130) arranged at a second side (126) of the cell holder, and a printed circuit board, PCB, (140) arranged at a first side (112) of the battery cells and configured to electrically interconnect the battery cells. A first adhesive layer (150) is disposed on the electrically insulating layer such that a second side (114) of each of the battery cells is in contact with the first adhesive layer. A second adhesive layer (160) is provided between and in contact with the PCB and the first side of each of the battery cells. Each of the battery cells is electrically connected to the PCB by wire bonding

CELL CARRIER FOR AT LEAST ONE ELECTRIC CELL AND A CELL MODULE HAVING A CELL CARRIER AND A PLURALITY OF ELECTRIC CELLS

Resumen de: EP4611123A1

Dargestellt und beschrieben ist ein Zellträger (2) für mindestens eine elektrische Zelle (3). Die mindestens eine Zelle (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Die erste Zellkappe (7) schließt ein erstes Ende des Zellmantels (6) ab und in der ersten Zellkappe (7) ist ein erster elektrischer Zellkontakt (9) und die zweite Zellkappe (8) schließt ein zweites Ende des Zellmantels (6) ab und in der zweiten Zellkappe (8) ist ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) für die mindestens eine Zelle (3) weist eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Bei in der Zellaufnahme (11) angeordneter Zelle (3) fallen die Aufnahmelängsachse (12) und die Zelllängsachse (5) zusammen.Die Erfindung löst die Aufgabe, einen Zellträger (2) für Immersionskühlung anzugeben, welcher zumindest einen der Nachteile mechanischer Aufwand, aufwendige Herstellung abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15) aufgeteilt ist und der erste Teilträger (14) und der zweite Teilträger (15) Komponenten des Zellträgers (2) sind, dass der erste Teilträger (14) und der zweite Teilträger (15) auseinanderführbar und zusammenführbar sind, da

ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND CYLINDRICAL SECONDARY BATTERY INCLUDING SAME

Resumen de: EP4611106A1

The present invention relates to an electrode assembly for a secondary battery, the electrode assembly having a shape in which an electrode stack, which includes: a positive electrode including a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector; a negative electrode including a negative electrode current collector and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector; and a separator interposed between the positive electrode and the negative electrode, is wound, wherein an end, which faces a winding center, of both ends in a longitudinal direction of the negative electrode is a negative electrode non-coating portion on which the negative electrode active material layer is not disposed, and an end, which faces the winding center, of both ends in a longitudinal direction of the positive electrode is disposed with a ceramic-containing film member.

POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611059A1

The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material capable of preventing and/or mitigating the degradation of electrochemical properties and lifetime of the positive electrode active material caused by lithium impurities and/or a washing process by removing lithium impurities through surface modification without a washing process for reducing the content of lithium impurities such as LiOH and Li₂CO₃ remaining on the surface of the positive electrode active material, and a lithium secondary battery using a positive electrode including the positive electrode active material.

ALL-SOLID-STATE BATTERY

Resumen de: EP4611055A1

The present invention relates to an all solid-state battery, which comprises a cathode including a cathode active material layer containing a cathode active material, an anode including an anode catalyst layer containing an anode catalyst and Nb₂O₅ and an electrolyte, wherein the anode catalyst layer contains Nb₂O₅ at a content of 1 wt% to 30 wt% on the basis of a total of, 100 weight% of the anode catalyst layer and the ratio (N/P) of a capacity of the anode catalyst layer to that of the cathode is between 0.1 (inclusive) and 0.5 (exclusive).

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY AND ALL-SOLID-STATE BATTERY INCLUDING SAME

Resumen de: EP4611052A1

The present invention relates to a negative electrode for an all-solid-state battery including same. This negative electrode for an all-solid-state battery includes a current collector and a negative electrode catalyst layer located on the current collector and including an amorphous carbon, metal and clay.

MATERIAL SEPARATION APPARATUS FOR RECYCLING WASTE BATTERY AND METHOD THEREFOR

Resumen de: EP4611117A1

Disclosed is a material separation method for recycling a battery cell, the material separation method including: a disassembling operation of separating an electrode assembly from which a pouch has been removed from a battery cell into first electrode plates, second electrode plates, and a separator, in which the disassembling operation may include: a separator opening operation of opening the separator surrounding the electrode assembly; and a main disassembling operation of separating the first electrode plates and the second electrode plates from the electrode assembly in which the separator is opened.

BATTERY-MODULE

Resumen de: EP4611121A1

A battery-module (100) is provided which comprises a first battery-cell and a second battery-cell (101), and a heat-spreader (103) for passively dissipating heat from the first to the second battery-cell (101). The heat-spreader (103) has a first section (105) and a second section (106). The first section (105) comprises a first volume (107) and a first contact-portion (201), wherein the first contact-portion (201) restricts the first volume (105) in a direction towards the first battery-cell (101) and is in thermally conductive physical contact with the first battery-cell (101) such that the first battery-cell (101) and the heat-spreader (103) can exchange heat at the first section (105). The second section (106) comprises a second volume (108) and a second contact-portion (202), wherein the second contact-portion (202) restricts the second volume (108) in a direction towards the second battery-cell (101) and is in thermally conductive physical contact with the second battery-cell (101) such that the second battery-cell (101) and the heat-spreader (103) can exchange heat at the second section (106). The heat-spreader (103) has a cooling-medium (109, 111; 431, 433) for 2-phase cooling of the first and second battery-cells (101). The first and the second section (105, 106) communicate with each other such that a transition from the first to the second aggregate-state of the cooling-medium (109, 111; 431, 433) causes a transport of cooling-medium (109, 111; 431, 433) from the f

BATTERY MODULE COMPRISING A PLURALITY OF ELECTRICAL CELLS

Resumen de: EP4611124A1

Dargestellt und beschrieben ist ein Batteriemodul (47) mit einer Mehrzahl an elektrischen Zellen (3), einem Zellträger (2) und einem Gehäuse (48). Jede der Zellen (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Bei jeder der Zellen (3) schließt die erste Zellkappe (7) ein erstes Ende des Zellmantels (6) ab und ist in der ersten Zellkappe (7) ein erster elektrischer Zellkontakt (9) und schließt die zweite Zellkappe (8) ein zweites Ende des Zellmantels (6) ab und ist in der zweiten Zellkappe (8) ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) weist für jede der Zellen (3) eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Jede der Zellen (3) ist in einer der Zellaufnahmen (11) angeordnet und die Aufnahmelängsachse (12) und die Zelllängsachse (5) fallen zusammen. Der Zellträger (2) ist im Gehäuse (48) angeordnet.Die Erfindung löst die Aufgabe, ein Batteriemodul (47) für Immersionskühlung anzugeben, welches zumindest einen der Nachteile mechanischer Aufwand, Herstellungsaufwand, Handhabungsaufwand im Stand der Technik abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass die Aufnahmelängsachsen (12) parallel zueinander sind, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15)

PU HYBRID SEALING MATERIAL FOR LITHIUM-ION BATTERIES

Resumen de: EP4610289A1

The present invention relates to a composition for preparing shaped body with improved resistance to compositions comprising lithium salts, the composition comprising an elastomer comprising polyurethane units and ethylenically unsaturated units, wherein the elastomer is obtained or obtainable by reacting a composition (PC) comprising at least one polyol (P1) and at least one compound (E1) which comprises at least one ethylenically unsaturated group and an isocyanate component (IC) comprising at least one polyisocyanate. The present invention also relates to a shaped body with improved resistance to compositions comprising lithium salts, the shaped body comprising said composition, a process for preparing a shaped body and also the use of the composition according to the present invention for the preparation of a shaped body, wherein the shaped body is an electronic device or part thereof or a component in a battery.

SILICONE-BASED THERMAL INSULATION MATERIALS FOR BATTERY MODULES

Resumen de: CN119654735A

When a top metal cover of a battery module or battery pack is coated with an addition-curable or moisture-curable ceramizable silicone composition on a side of a cover facing the battery module or individual battery cell, the top metal cover is not coated with a ceramizable silicone composition on a side facing the cover of the battery module or individual battery cell. Metal ion battery modules and battery packs for electric vehicles exhibit substantially reduced heat transfer to areas above the battery modules or battery packs, and an addition-curable or moisture-curable ceramizable silicone composition that is sprayable and thixotropic and contains 50-85% by weight of an aluminum trihydrate-containing filler, the amount is such that the aluminum trihydrate is present in an amount of at least 30 wt% based on the weight of the silicone composition.

POLYMER-COATED ELECTRODE ACTIVE MATERIAL, ITS MANUFACTURING AND USAGE

Resumen de: CN120113053A

The present invention provides a coated particulate material comprising a plurality of core particles wherein each core particle comprises at least one compound of formula (I), Li1 + w Ni1-x-y-zCoxMnyMz 1-wO2, and the surface of the core particles exhibits a coating comprising at least one polycationic organic polymer or at least one polyanionic organic polymer.

NONAQUEOUS ELECTROLYTE AND CLAY-TYPE LITHIUM ION SECONDARY BATTERY USING SAME

Resumen de: EP4611105A1

An object of the present disclosure is to provide a nonaqueous electrolytic solution and a clay-type lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.

NON-AQUEOUS ELECTROLYTE SOLUTION AND LITHIUM-ION SECONDARY BATTERY USING SAME

Resumen de: EP4611091A1

An object of the present disclosure is to provide a nonaqueous electrolytic solution and a lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.

NI-PLATED STEEL SHEET AND BATTERY CONTAINER

Resumen de: EP4610409A1

Provided is a Ni-plated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on at least one surface of the steel sheet, wherein as determined by EBSD measurement performed on the topmost surface of the Ni-plated steel sheet, the average crystal grain size is 0.32 µm or more, and the proportion of the region which can be indexed as Fe is 0.0% or more and 6.0% or less.

SURFACE-TREATED STEEL SHEET AND BATTERY CONTAINER

Resumen de: EP4610408A1

Provided is a surface-treated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on the topmost surface of at least one surface of the steel sheet, wherein when a maximum diffraction intensity IA at a diffraction angle 2θ of 43.00° or more and 44.30° or less and a maximum diffraction intensity IB at a diffraction angle 2θ of 44.51° or more and 45.00° or less are obtained by thin film X-ray diffractometry performed on the surface of the Fe-Ni diffusion layer, the ratio IB/IA is 0.01 ≤ IB/IA ≤ 0.37.

COATING-EQUIPPED POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, SOLUTION FOR FORMING COATING LAYER, AND LITHIUM SECONDARY BATTERY

Resumen de: EP4611070A1

A coated positive electrode active material for a lithium secondary battery includes a positive electrode active material and a coating layer disposed on the surface of the positive electrode active material. The positive electrode active material contains cobalt (Co). The coating layer contains at least lithium (Li), phosphorus (P), an element M, and oxygen (O). The element M is a pentavalent transition metal element.

REINFORCING HOLDER FOR BATTERY, AND BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611146A1

A reinforcing bracket (120) for a battery, a battery (200), and a power consuming apparatus (1000) are provided. The battery includes a plurality of battery cells (10), the reinforcing bracket includes a connecting bracket (121) and a plurality of partition members (122), the connecting bracket includes a first reinforcing plate (1211), a plurality of avoidance holes (121a) that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space (124) is defined between the adjacent partition members and the connecting bracket.

BATTERY AND ELECTRIC DEVICE HAVING SAME

Resumen de: EP4611119A1

A battery (200) and a power consuming apparatus (1000) are disclosed. The battery includes a box body (30), and multiple battery cells (10) and a heat conducting member (40) arranged in the box body. Each battery cell is provided with multiple side walls (110). The multiple side walls include a first side wall (111) and a second side wall (112) connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.

ELECTROCHEMICAL DEVICE INCLUDING POROUS SEPARATOR

Resumen de: EP4611093A1

Electrochemical devices are disclosed for various applications such as secondary batteries. In an embodiment, an electrochemical device including a positive electrode, a negative electrode, a separator, and an electrolyte. Specifically, the separator includes a porous polymer membrane including one or more of hydrophilic inorganic particles or a hydrophilic polymer that are blended in a porous substrate, and the electrolyte includes a nitrile-based compound. The electrochemical device exhibits high ionic conductivity by including the porous separator having wettability to the electrolyte.

ELECTROCHEMICAL DEVICE INCLUDING POROUS SEPARATOR

Resumen de: EP4611095A1

Electrochemical devices are disclosed for various applications such as secondary batteries. In an embodiment, an electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte. The separator includes a porous hydrophilic polymer membrane, and the electrolyte includes a nitrile-based compound. The electrochemical device exhibits high ionic conductivity by including the porous separator having wettability to the electrolyte.

PRESSURE RELIEF COMPONENT, BATTERY CELL, BATTERY AND ELECTRICAL APPARATUS

Resumen de: EP4611148A1

A pressure relief component, a battery cell, a battery, and an electrical apparatus are provided and pertain to the field of battery technologies. The pressure relief component includes a pressure relief portion, a reinforcing portion, and a first weakened portion. The pressure relief portion is configured to rupture when the battery cell relieves pressure, so as to release the internal pressure of the battery cell. The reinforcing portion is connected to the pressure relief portion, and the reinforcing portion is arranged around the pressure relief portion. The first weakened portion is connected to the pressure relief portion via the reinforcing portion, stiffness of the first weakened portion being less than stiffness of the reinforcing portion. This structure of the pressure relief component makes the first weakened portion more prone to deformation, allowing the first weakened portion to absorb the deformation energy of the battery cell when the battery cell is subjected to internal and external impacts and deforms, enabling the first weakened portion to provide a certain buffering effect, thereby reducing phenomena such as deformation or damage to the pressure relief portion, and improving the operational stability and service life of the pressure relief component.

POSITIVE ELECTRODE ACTIVE MATERIAL COMPOSITE, POSITIVE ELECTRODE COMPRISING SAME, AND LITHIUM ION SECONDARY BATTERY COMPRISING POSITIVE ELECTRODE

Resumen de: EP4611065A1

The present invention provides a positive electrode active material composite comprising a positive electrode active material substrate and a coating layer comprising a compound represented by Formula 1 below coated on the positive electrode active material substrate, a positive electrode comprising the positive electrode, and a lithium-ion secondary battery comprising the positive electrode.        Formula 1     LiaTibOc-dXd

BATTERY CELL ASSEMBLY AND BATTERY PACK COMPRISING SAME

Resumen de: EP4611128A1

The present technology provides a battery cell assembly including: a cell block with a plurality of battery cells; a first cover plate facing a first surface of the cell block, and including a first cooling channel; a second cover plate facing a second surface of the cell block, and including a second cooling channel; a supply pipe into which a cooling fluid supplied from the outside flows, the supply pipe including a first supply channel connected to an inlet of the first cooling channel and a second supply channel connected to an inlet of the second cooling channel; and a discharge pipe configured to discharge the cooling fluid to the outside, the discharge pipe including a first discharge channel connected to an outlet of the first cooling channel and a second discharge channel connected to an outlet of the second cooling channel.

BATTERY RACK AND ENERGY STORAGE SYSTEM

Resumen de: EP4611152A1

An energy storage system according to an embodiment of the present invention comprises: a plurality of battery modules arranged in a stacked manner; and a battery rack comprising a pair of thermal runaway blocking kits which cover the plurality of battery modules on both sides thereof, wherein the pair of thermal runaway blocking kits may comprise a body portion on which the plurality of battery modules are mounted and which comprise an empty space in which gas discharged from one or more of the battery modules is confined, and a side frame coupled to the body portion so as to cover the empty space.

BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4611109A1

A battery cell, a battery, and a power consuming device are provided. A battery cell 1 includes a shell 100, an electrode assembly 200, a first processor 300, a detection sensor 400, and a second processor 500. The electrode assembly 200 is arranged inside the shell 100. The first processor 300 is arranged inside the shell 100. The detection sensor 400 is arranged inside the shell 100 and is electrically connected to the first processor 300 via first communication lines 410. The second processor 500 is arranged outside the shell 100 and is electrically connected to the first processor 300 via second communication lines 510. A quantity of the second communication lines 510 is less than a quantity of the first communication lines 410. In the foregoing manner, a quantity of communication lines running through the shell can be reduced, thereby improving reliability and stability of the battery cell.

ORGANIC/INORGANIC COMPOSITE SEPARATOR HAVING POROUS ACTIVE COATING LAYER AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME

Resumen de: EP4611157A1

An organic/ inorganic composite separator includes (a) a polyolefin porous substrate having pores; and (b) a porous active layer containing a mixture of inorganic particles and a binder polymer, with which at least one surface of the polyolefin porous substrate is coated, wherein the porous active layer has a peeling force of 5 gf/cm or above, and a thermal shrinkage of the separator after being left alone at 150°C. for 1 hour is 50% or below in a machine direction (MD) or in a transverse direction (TD). This organic/inorganic composite separator solves the problem that inorganic particles in the porous active layer formed on the porous substrate are extracted during an assembly process of an electrochemical device, and also it may prevent an electric short circuit between cathode and anode even when the electrochemical device is overheated.

TRAY FOR SECONDARY BATTERY AND TRAY ASSEMBLY COMPRISING THE SAME

Resumen de: EP4611144A2

The present invention relates to a tray for a secondary battery, which comprises: an accommodation part having a bottom surface, on which the secondary battery is disposed, and a side surface provided along an edge of the bottom surface to accommodate the secondary battery; and a pressing part configured to press a side portion of the secondary battery while descending to the bottom surface and moving to the secondary battery due to a load of the tray loaded on an upper end to fix the secondary battery.

JELLY ROLL AND POUCH CELL

Resumen de: EP4611162A2

The present application provides a jelly roll and a punch cell, and relates to the field of lithium battery technologies. The jelly roll includes a negative electrode plate, along a winding direction, an inner surface of a bending region of the negative electrode plate is covered by a first tape layer, and in a thickness direction of the jelly roll, a projection of two ends of the first tape layer is connected to or partially overlapped with a projection of a winding head of the negative electrode plate. As a result, surface unevenness of the jelly roll is improved, thereby improving a flatness of a battery cell.

A BATTERY MODULE AND AN AEROSOL GENERATING SYSTEM COMPRISING SUCH BATTERY MODULE

Resumen de: EP4609900A2

The invention relates to an aerosol generating system comprising a battery module for an aerosol generating system, the battery module comprising: a battery (1) extending substantially in a longitudinal direction (Z), the battery (1) having a length (L) measured in the longitudinal direction (Z), and a width (W) and a thickness (T) measured orthogonally to the longitudinal direction, wherein the battery (1) comprises along the longitudinal direction (Z) a first portion (P1) of a first thickness (T1), and a second portion (P2) comprising opposite faces (6,7) which define a second thickness (T2) of said second portion, the second thickness (T2) being less than the first thickness (T1), wherein the second portion of the battery is provided with poles (8) configured for connection to a board-to-board connector (4); and a printed circuit board assembly (2) connected to the battery (1).

EXPLOSION PREVENTION VALVE, COVER PLATE ASSEMBLY, BATTERY CORE, BATTERY PACK, AND ELECTRICAL SYSTEM

Resumen de: EP4611131A1

An explosion prevention valve, a cover plate assembly, a battery core, a battery pack, and an electrical system are provided. The explosion prevention valve includes a main body, an explosion prevention piece, and a temperature-sensitive film. The main body is provided with a pressure relief hole extending through a thickness direction thereof. The explosion prevention piece is connected to the main body. The explosion prevention piece is arranged to cover the pressure relief hole. The temperature-sensitive film is connected to the main body. The temperature-sensitive film is arranged to cover the pressure relief hole. The temperature-sensitive film is made of plastic, and has a critical breaking pressure value which is inversely proportional to a temperature of the explosion prevention valve. In the technical solutions of the present disclosure, the temperature-sensitive film is arranged in the explosion prevention valve. When the battery core is in a normal operating condition, the temperature-sensitive film and the explosion prevention piece jointly cover the pressure relief hole of the main body, to increase an opening pressure of the pressure relief hole, so as to reduce a risk of accidentally opening the pressure relief hole. When the battery core is out of control, a high temperature generated after the battery core is out of control quickly softens the temperature-sensitive film, to reduce the critical breaking pressure value of the temperature-sensitive film, so as t

BATTERY MANUFACTURING APPARATUS AND BATTERY MANUFACTURING METHOD USING THE SAME

Resumen de: EP4611087A1

The present disclosure relates to a battery manufacturing apparatus for manufacturing a battery assembly which includes a plurality of battery cells, each including a tab part electrically connected to an outside and protruding outward, and an accommodating bottom surface forming a bottom surface of an accommodating space in which the plurality of battery cells are accommodated, including a sensor configured to sense a profile regarding a degree of protrusion of a coating surface of one side of the battery cell facing the accommodating bottom surface, a discharger configured to discharge an adhesive material to the coating surface of at least one battery cell of the plurality of battery cells, and a controller configured to control the discharger or the sensor to adjust at least one of a position and a moving speed of the discharger based on the profile, and a battery manufacturing method using the battery manufacturing apparatus.

CURRENT COLLECTOR COMPRISING PRIMER COATING LAYER HAVING IMPROVED ADHESIVE STRENGTH, AND MANUFACTURING METHOD FOR SAME

Resumen de: EP4611058A2

The present invention relates to a current collector having improved adhesive strength, and is a structure comprising a metal foil and a primer coating layer formed on at least one surface of the metal foil, wherein the surface of the primer coating layer is a flat surface that is rolled so as to be evenly flat.

BATTERY MODULE AND BATTERY PACK COMPRISING SAME

Resumen de: EP4611168A1

A battery module including a battery cell stack in which a plurality of battery cells are stacked; a module case configured to accommodate the battery cell stack; a busbar frame disposed on a side of the battery cell stack; an insulating cover disposed outside the busbar frame; and a pressure pad disposed inside the insulating cover to press the busbar frame is provided.

BATTERY, SUPPORT AND VEHICLE

Resumen de: EP4610078A1

A battery (1) is disclosed, including a battery body (10). The battery body includes a battery cell and a housing (12). The housing (12) defines a recess (13) that penetrates through the housing from one end to another end along a first direction (F1). The battery (1) is disposed at a bottom of a vehicle (1000). A bottom longitudinal beam (200) of the vehicle runs through and fits in the recess (13) along the first direction (F1). The housing (12) is provided with a plurality of first mounting structures (21). The first mounting structures (21) are configured to detachably mount the battery body (10) into the vehicle (1000). At least two of the plurality of first mounting structures (21) are spaced apart along a second direction (F2) and located on two sides outside the recess (13). The first direction (F1) intersects the second direction (F2). This application further discloses a bracket (4) matching the battery, and a vehicle (1000) containing the battery (1) or the bracket (4). The battery and the bracket in use can fully utilize space and increase an energy density. The battery is evenly stressed in the second direction and is stably mounted.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREFOR, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK AND ELECTRIC DEVICE

Resumen de: EP4611060A1

A positive electrode active material, a secondary battery, a battery module, a battery pack, and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery, and comprises a carbon material compounded iron-based polyanionic compound and an aluminum-containing oxide, and the iron-based polyanionic compound has the following general formula: Na4Fe3-xMxAly(PO4)2P2O7/C, wherein M comprises a transition metal element, 0 ≤ x ≤ 0.5, and y is greater than 0 and less than 0.2. The positive electrode active material has relatively low residual alkali amount, and the battery has excellent cycle performance and rate capability.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611108A1

An electrode assembly includes a jelly-roll structure in which a negative electrode, a separator, and a positive electrode are wound around a core. The negative electrode includes an active material portion in which a negative electrode active material is laminated on one or both sides of a negative electrode current collector, and a negative electrode non-coated portion in which the negative electrode active material is not laminated. The negative electrode further includes a protective tape covering at least a part of the negative electrode non-coated portion adjacent to the core. The protective tape has a cross-sectional area of 0.3 mm² to 0.47 mm² in a longitudinal direction of the negative electrode. Also provided is a secondary battery including such an electrode assembly.

ELECTRODE FOR RECHARGEABLE BATTERY AND ELECTRODE ASSEMBLY

Resumen de: EP4611086A1

An electrode for a rechargeable battery is provided. The electrode includes a substrate having an electrode uncoated region and an electrode active region. An electrode tab is attached to the electrode uncoated region, and an active material layer is formed on the electrode active region. A tape is disposed between the electrode uncoated region and the electrode tab.

ELECTRICITY STORAGE DEVICE

Resumen de: EP4611072A1

To provide an electricity storage device with reduced unevenness in film formation and improved battery performance and safety. In the electricity storage device, an electrolyte solution contains a boron-containing film-forming agent. A negative electrode active material layer 40 adheres to a separator 50. The negative electrode active material layer 40 contains graphite particles 43, and the graphite particles 43 have a degree of orientation of 180 or less.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611061A1

The present application provides a secondary battery (1). The secondary battery (1) comprises: a negative electrode sheet and an electrolyte, wherein the negative electrode sheet comprises a silicon-carbon composite material having a three-dimensional network crosslinked pore structure; and the electrolyte comprises dimethyl carbonate. By means of the cooperation of the three-dimensional network crosslinked pore structure of the silicon-carbon composite material and dimethyl carbonate in the electrolyte, the volume effect of an active material during a charging and discharging process is inhibited, the interface stability is improved, the internal resistance of the battery is reduced, and the cycle capacity retention rate and the charging and discharging performance at a high rate of the battery are improved.

LITHIUM SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611057A1

The present application discloses a lithium secondary battery and an electric device. The lithium secondary battery comprises a positive electrode sheet and a negative electrode sheet; a positive electrode active material layer comprises a positive electrode active material Li1+aM1bFe1-cAcP1-dEdO4 having a mass ratio of not less than 85 wt%; a negative electrode active material layer comprises graphite having a mass ratio of not less than 85 wt%; the surface density of the positive electrode active material layer located on a single side of the positive electrode sheet is CWc, with a unit of g/1540.25 mm2, and the reversible lithium capacity thereof is Dc, with a unit of mAh/1540.25 mm2; the reversible lithium capacity of the negative electrode active material layer on the side of the negative electrode sheet facing the positive electrode sheet is Da, with a unit of mAh/1540.25 mm2; the initial lithium-intercalation capacity of the negative electrode active material layer on the side of the negative electrode sheet facing away from the positive electrode sheet is Ca, with a unit of mAh/1540.25 mm2; the conductivity of an electrolyte in the lithium secondary battery at 25°C is ρ, with a unit of S/cm; the lithium secondary battery satisfies: Formula 1: 1.0337+0.37 × CWc - 7.79 × ρ ≤ K1 ≤ 1.07+0.93 × CWc - 2.9 × ρ ; and/or, Formula 2: 1.1485+0.43 × CWC - 9.2 × ρ = K2 ≤ 1.13+1.069×CWc - 1.7 × ρ ; wherein, (a).

ELECTROLYTE, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4611101A1

The present application provides an electrolyte, a secondary battery and an electrical apparatus. The electrolyte contains a sodium salt and metal ions having ionic radii greater than that of a sodium ion. The electrolyte can effectively inhibit sodium dendrites, helping to improve the cycle performance and the high-temperature storage performance of batteries.

BATTERY MODULE AND BATTERY PACK INCLUDING SAME

Resumen de: EP4611160A1

A battery module including a battery cell stack in which multiple battery cells are stacked, a module case configured to accommodate the battery cell stack, a terminal busbar disposed on one side of the battery cell stack, an insulating cover disposed on one side of the module case, one end portion of the terminal busbar being positioned on the insulating cover, and a fixing member having a fixing hole configured to fix the one end portion of the terminal busbar, where the fixing member being disposed below the one end portion of the terminal busbar in the insulating cover is provided.

A system and method for using unrecoverable energy in a battery cell

Resumen de: GB2638912A

A system and method for using unrecoverable energy in a battery cell is disclosed in this application. A system includes a battery cell, the battery cell includes an excess amount of cathode or anode that can function as half cells in an emergency. A user, such as a pilot, can command a controller to utilize unrecoverable energy based on battery data presented to the user.

OBJECT OVERLAP DETECTION APPARATUS AND METHOD

Resumen de: EP4610631A1

An object overlap detection apparatus includes one or more photographing units configured to photograph objects from multiple angles. A determining unit is configured to determine whether there are overlapping objects by analyzing an image obtained by photographing the objects in a vertical direction using the one or more photographing units. The determining unit is also configured to determine whether there are overlapping objects by analyzing an image obtained by photographing a side of using the one or more photographing units. A controller is configured to receive information indicating whether the objects overlap from the determination units and to control one or more of an alarm signal, an operation of the photographing units, and transport of the objects.

EARPHONE

Resumen de: EP4611392A1

The present disclosure relates to an earphone (100), including: an ear hook (2) and a core module (1) connected to the ear hook (2), the core module (1) including an outer shell (11), a decorative cover (12), and a touch module (18), the outer shell (11) including an outer surface (OS1) away from an ear of a user when the earphone (100) is in a wearing state, the decorative cover (12) being disposed on the outer surface (OS1) of the outer shell (11) and configured to form a touch positioning region (120) for the user to perform touch positioning; a positioning protrusion (121) being disposed on the outer shell (11) and/or the decorative cover (12), the positioning protrusion (121) being located in the touch positioning region (120) and protruding from an outer surface (OS2) of the decorative cover (12) away from the outer shell (11); the touch module (18) being disposed on the outer shell (11) and including a touch detection region (182) that at least partially overlaps with the touch positioning region (120).

EARPHONE

Resumen de: EP4611391A1

The present disclosure relates to an earphone (100), including: a shell assembly (10), configured to form an accommodation space (101) and extending along a first direction (X) and a second direction (Y), the second direction (Y) is orthogonal to the first direction (X); an ear hook (2) connected to the shell assembly (10), wherein when the earphone (100) is in a wearing state, at least a portion of the ear hook (2) is located at a rear side of an ear of a user, and the shell assembly (10) is stacked on a front side of the ear of the user along the second direction (Y); and a loudspeaker (13) and a battery (14) spaced apart from each other along the first direction (X) and accommodated in the accommodation space (101), wherein: the loudspeaker (13) has a first axis (ZX1), the battery (14) has a second axis (ZX2), each of the first axis (ZX1) and the second axis (ZX2) has a positive direction pointing to the ear of the user when the earphone is in the wearing state, and on a reference plane defined by the first direction (X) and the second direction (y), projections of the first axis (ZX1) and the second axis (ZX2) are intersected.

EARPHONE

Resumen de: EP4611390A1

The present disclosure discloses an earphone (100) comprising a core module (1) and an ear hook (2). The ear hook (2) is provided in a curved shape and includes a first end (201) and a second end (202) away from the first end (201), the first end (201) being connected to the core module (1). The ear hook (2) is configured to hang on an ear of a user, and the ear hook (2) includes an elastic frame (21) and a covering member (22), the elastic frame (21) extending along an extension direction of the ear hook (2), the covering member (22) covering around the elastic frame (21), and the covering member (22) being provided with a buffer cavity (220).

POLYMER AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRIC DEVICE

Resumen de: EP4610286A1

The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R₁₁, R₁₂, and R₁₃ each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.

SEPARATOR, SECONDARY BATTERY, AND ELECTRICAL DEVICE

Resumen de: EP4611155A1

The present application provides a separator, including: a first porous base membrane and a second porous base membrane; a melting point of the first porous base membrane being higher than a melting point of the second porous base membrane; and in a cross-section in a thickness direction of the separator, an average pore area of the first porous base membrane being greater than an average pore area of the second porous base membrane. The separator can have both the air permeability and mechanical strength, thereby improving the reliability and cycle performance of the separator.

TEMPERATURE REGULATION MEMBER, BATTERY ASSEMBLY, AND VEHICLE

Resumen de: EP4611118A1

The present disclosure discloses a temperature regulation member, a battery assembly, and a vehicle. The temperature regulation member includes a thermally conductive plate and a heating film. Each of two sides of the thermally conductive plate in a thickness direction is provided with the heating film. The heating film is configured to heat a battery core. According to the temperature regulation member in embodiments of the present disclosure, the temperature regulation member includes the thermally conductive plate and the heating film, the heating film is configured to heat the battery core, and each of the two sides of the thermally conductive plate in the thickness direction is provided with the heating film. In this way, a heating area of the temperature regulation member can be increased, so that the temperature regulation member has relatively high heating efficiency, thereby improving heating efficiency for the battery core.

BATTERY AND ELECTRIC DEVICE

Resumen de: EP4611068A1

A battery and an electric device. The battery comprises a positive electrode sheet. The positive electrode sheet contains a first positive electrode active material and a second positive electrode active material, and satisfies formula (I), wherein A represents the mass percentage of the second positive electrode active material in the two positive electrode active materials; B represents the proportion, in the whole charging capacity, of charging capacity at 3.7 V or below of the second positive electrode active material measured by a single-particle microelectrode method; C represents the proportion, in the whole charging capacity, of charging capacity at 3.7 V or below of the battery; and R represents the resistance of the positive electrode sheet at 25°C, and the unit of R is Ω. 0.1

FIRE SUPPRESSANT FOR SECONDARY BATTERY, FIRE-SUPPRESSING MEMBER FOR SECONDARY BATTERY, AND SECONDARY BATTERY

Resumen de: EP4609921A1

An embodiment of the present invention provides a fire suppressant, a suppression member, and a secondary battery including the same, the fire suppressant comprising: at least one first material having a decomposition initiation temperature; and a second material mixed with the first material to bind the first material, wherein the first material is decomposed when the decomposition initiation temperature is reached to render a combustible organic compound non-combustible.

ELECTROLYTE, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC DEVICE

Resumen de: EP4611100A1

The present application relates to the technical field of lithium-ion batteries, in particular to a lithium-ion battery electrolyte solution, a secondary battery, a battery module, a battery pack, and an electrical device. The lithium-ion battery electrolyte solution includes a lithium salt, an organic solvent and an additive. The additive includes a compound represented by Formula I:where R₁ to R₄ are each independently selected from a hydrogen atom, a halogen atom, a nitrate ester group, a nitrite ester group, a substituted or unsubstituted C1 to C12 alkyl, and a substituted or unsubstituted C1 to C12 alkoxy, provided that at least one of R₁ to R₄ is a nitrate ester group. The present application solves the problems of poor solubility of existing additives and low conductivity of a formed solid electrolyte interphase (SEI).

NON-AQUEOUS ELECTROLYTE, SODIUM-ION BATTERY CONTAINING SAME, AND ELECTRICAL APPARATUS

Resumen de: EP4611104A1

This application provides a non-aqueous electrolyte. The non-aqueous electrolyte includes: a first sodium salt, where the first sodium salt includes at least one of sodium hexafluorophosphate, sodium hexafluoroarsenate, sodium perchlorate, and sodium trifluoroacetate; and a second sodium salt, where the second sodium salt includes one, two, or more of a sodium salt having sulfonate, a sodium salt having oxalate, a sodium salt having phosphate, and a sodium salt having borate. The non-aqueous electrolyte provided in this application is applicable to sodium-ion batteries, can improve the room-temperature and high-temperature cycling performance and capacity retention rate after high-temperature storage of the sodium-ion batteries, and can significantly reduce the battery volume swelling rate after high-temperature storage of the sodium-ion batteries.

TEST JIG

Resumen de: EP4611111A1

An experimental jig according to an embodiment of the present invention may include a first plate, a second plate that is disposed to be spaced a constant distance from the first plate so that a secondary battery is disposed between the first plate and the second plate, a coupling part that passes through the first plate and the second plate to couple the first plate and the second to each other, and a side plate that is disposed between the first plate and the second plate in a state, in which the coupling part passes through the side plate, to surround a side surface of the secondary battery.

LITHIUM-ION BATTERY CONTAINING DOPED POSITIVE ELECTRODE ACTIVE MATERIAL

Resumen de: EP4611099A1

This application relates to a lithium-ion battery, including a positive electrode and an electrolyte. A positive electrode active material included in the positive electrode includes a doping element. The doping element includes at least one selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo, and a percentage of the doping element satisfies 0.01%≤W1%≤0.5%. The electrolyte includes an oligomer according to formula (I), and a percentage of the oligomer satisfies 0.1%≤W2≤10%. This application further relates to an electric apparatus including such lithium-ion battery.

APPARATUS FOR EVALUATING BATTERY CELL

Resumen de: EP4611112A1

Disclosed is a battery cell evaluation apparatus, and more particularly a battery cell evaluation apparatus including a jig, the jig including: a housing including a cavity; a holder unit received in the cavity, the holder unit including a first connection member and a second connection member each configured to fix an electrode lead of a battery cell; and a first elevation adjustment member configured to adjust the height of the second connection member, wherein the first elevation adjustment member is configured to measure a pressing force of the second connection member when the second connection member and the first connection member are in tight contact or the second connection member and the electrode lead are in tight contact.

LIQUID COOLING DEVICE, COMMUNICATION ASSEMBLY AND BATTERY PACK

Resumen de: EP4611122A1

Provided are a liquid cooling device, a communicating assembly, and a battery pack. A projection is on the sidewall of a cooling channel. When the outer side of a liquid cooling plate is squeezed, the projection between the sidewalls of the cooling channel supports the sidewalls, thereby preventing the remaining portion of the cooling channel from being clogged.

BATTERY REPLACING SYSTEM

Resumen de: EP4610097A1

A battery replacing system (100) includes: a battery replacing apparatus (10) including at least one battery pack (101) replaceable with a battery pack (201) mounted on a vehicle (200); a heater (30) that raises a temperature of the battery pack (101); and a controller (20). The controller (20) sets a start-of-raising-temperature time (11), at which the heater (30) starts raising the temperature of the battery pack (101), based on usage status information of the battery replacing apparatus (10) and information regarding an outdoor air temperature.

COMPOSITE SEPARATOR, SECONDARY BATTERY, AND ELECTRICAL APPARATUS

Resumen de: EP4611156A1

The present application provides a composite separator, a secondary battery, and an electrical apparatus. The composite separator comprises a separator substrate and a polymer coating located on one side of the separator substrate, the sodium ionic conductivity of the composite separator being 0.3 mS/cm-1 mS/cm. The polymer coating helps to reduce the contact between metal deposited on current collectors and electrolytes, thereby reducing side reactions between the metal and the electrolytes, and improving the cycle performance and the storage performance of batteries.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611084A1

The present invention relates to an electrode assembly and a secondary battery comprising same. Specifically, in a core part of the electrode assembly in which a negative electrode, a separator, and a positive electrode are sequentially stacked and wound, the negative electrode includes: a negative electrode coated part including a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector; and a negative electrode uncoated part including the negative electrode current collector on which the negative electrode active material layer is not provided, wherein the negative electrode uncoated part does not include a negative electrode tab, and the longitudinal length of the negative electrode coated part extending from the longitudinal end of the positive electrode is adjusted to a specific range.

ELECTRODE ASSEMBLY AND SECONDARY BATTERY COMPRISING SAME

Resumen de: EP4611107A1

The present invention relates to an electrode assembly and a secondary battery comprising same. Specifically, the present invention relates to an electrode assembly and a secondary battery, wherein a negative electrode in a core part of the electrode assembly in which the negative electrode, a separator, and a positive electrode are sequentially stacked and wound includes: a negative electrode coated portion including a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector; and a negative electrode uncoated portion including a negative electrode current collector not provided with the negative electrode active material layer, the longitudinal length of the negative electrode coated portion extending from the longitudinal end of the positive electrode being adjusted to a specific range.

CYLINDRICAL RECHARGEABLE BATTERY

Resumen de: EP4611085A1

A cylindrical rechargeable battery is provided that includes: an electrode assembly having an internal space at an innermost side thereof; a cylindrical can accommodating the electrode assembly; and a deformation preventing member that is made of an elastically deformable material. The deformation preventing member is provided with ends spaced apart from each other and such that the deformation preventing member overlaps itself. The deformation preventing member is positioned in the internal space of the electrode assembly and elastically supports the electrode assembly.

BATTERY TRAY AND BATTERY PACK

Resumen de: EP4611151A1

Disclosed is a battery pack having a battery tray. The battery tray includes a bottom plate, two side beams arranged opposite to each other, and two edge beams connected between the two side beams and arranged opposite to each other, where the two side beams and the two edge beams are each connected to a peripheral edge of the bottom plate, an accommodating cavity for accommodating a battery cell assembly is enclosed by the two side beams, the two edge beams, and the bottom plate, explosion-proof valves are arranged on the two side beams respectively, an exhaust channel extending in a length direction of the edge beam is formed on the edge beam, two end portions of an inner wall of the edge beam are provided with vent grooves that are separately in communication with the exhaust channel, and the vent groove is configured to be able to communicate with a gap between the side beam and the battery cell assembly.

BATTERY PACK STRUCTURE FOR A VEHICLE

Resumen de: EP4611137A1

A vehicle battery pack structure includes: a lower case, a plurality of battery modules accommodated in the lower case, an upper case coupled to an upper portion of the lower case and configured to cover a space accommodating the battery modules, and a plurality of module fixing bolts configured to penetrate end plates of the battery modules and fixed to the lower case. The vehicle battery pack structure further includes: a connection support bar disposed on upper sides of the end plates so as to connect the end plates of the battery modules adjacent to each other, and a plurality of support bolts configured to respectively penetrate the upper case and the connection support bar and fixed to the end plates.

STEEL SHEET FOR TOP COVER OF BATTERY PACK AND ITS MANUFACTURING METHOD

Resumen de: MX2025008808A

Top cover of a battery pack comprising a metallic coated steel sheet covered on both sides by an organic coating, wherein said organic coating is thinner on the inner side of the battery pack than on the outer side of the battery pack.

CYLINDRICAL LITHIUM SECONDARY BATTERY

Resumen de: MX2025008981A

The present invention provides a lithium secondary battery including: a battery case; an electrode assembly housed inside the battery case; and an electrolyte, wherein the electrode assembly includes a positive electrode including a positive electrode active material, a separator, and a negative electrode including a negative electrode active material, the electrolyte includes LiPF₆ as a lithium salt and ethylene carbonate as an organic solvent, and the lithium secondary battery has a ratio of a diameter (R) to a height (H) (form factor ratio) of a battery case of 0.4 or more, and satisfies a condition of the following formula (1): Formula (1) (in formula (1), H is the height (mm) of the battery case, R is the diameter (mm) of the battery case, W_LiPF6 is a percentage (%) of the content of LiPF₆ with respect to the total weight of the electrolyte, W_EC is a percentage (%) of the content of ethylene carbonate with respect to the total weight of the electrolyte, and W_EL means the weight (g) of the total electrolyte included in the lithium secondary battery).

POUCH-TYPE SECONDARY BATTERY

Resumen de: MX2025008999A

A pouch-type secondary battery, according to the present invention, comprises: an electrode assembly; a pouch-type case including an accommodation portion that accommodates the electrode assembly, and a terrace portion that is provided along the periphery of the accommodation portion and has a sealing portion in which a portion of the width thereof is sealed; an electrode lead connected to the electrode assembly and protruding from the exterior of the pouch-type case via the terrace portion; a lead film disposed between the electrode lead and the pouch-type case; and a gas guiding film disposed between the electrode lead and the lead film. In addition, the gas guiding film comprises: a permeation portion formed on the outer side of the sealing portion; and one or more gas flow paths passing through the sealing portion and formed such that the permeation portion and the interior of the pouch-type case are connected to each other, wherein a gas discharge coefficient (C_R) is from 10 to 25.

ADHESIVELY BONDED AND FASTENED ASSEMBLY FOR BATTERY HOLDER, AND BATTERY HOLDER FOR TRANSPORT VEHICLE

Resumen de: MX2025008698A

The invention concerns an assembly (1) for battery holder comprising a first structural element (10); a second profile (30) presenting a hollow section delimiting internally an adhesion surface (s30), and a mating cavity (31); a junction organ (50) inserted inside the mating cavity (31) and comprising at least one fixing hole (51), the junction organ (50) comprising externally a junction surface (s50) facing the adhesion surface (s30); an adhesive agent (20) interposed between the junction surface (s50) and the adhesion surface (s30), the adhesive agent (20) being configured to allow an adhesion between the junction surface (s50) and said adhesion surface (s30); and a fixing member (40) comprising a fixing rod (41) screwed into the fixing hole (51); the fixing member (40) and the junction organ (50) being thereby configured to secure the first structural element (10) with the second profile (30).