Alerta

METHOD FOR PRODUCING A LAYER COMPOSITE AS A PRE-PRODUCT FOR AN ELECTRODE ASSEMBLY OF A BATTERY CELL; METHOD FOR PRODUCING AN ELECTRODE ASSEMBLY, AND LAYER COMPOSITE

Resumen de: WO2026037799A1

The invention relates to a method for producing a layer composite which is a pre-product for an electrode assembly of a battery cell, wherein the layer composite has at least one separator layer embedded on both sides, wherein the separator layer is embedded in a structure A-S-K or K-S-Cx, where A is an anode layer, K is a cathode layer, S is a separator layer, and Cx is a current-conducting layer for a bipolar battery cell, an anodic current-collecting layer or a cathodic current-collecting layer, wherein the layer composite contains a maximum of two separator layers S, and a maximum of one Cx layer, the method comprising: producing the structure A-S-K or K-S-Cx by joining and/or depositing the layers A, S, K or K, S, Cx simultaneously or in any order, wherein i) production takes place under the action of pressure and/or heat in order to bond at least the layers A and S and/or the layers K and S to one another under the influence of the pressure and/or the heat, and/or ii) during production, the layer K and/or A is formed by deposition on the layer S.

A LI-RICH, MN-RICH CATHODE ACTIVE MATERIAL FOR RECHARGEABLE SOLID-STATE BATTERIES

Resumen de: WO2026037798A1

This invention relates to a cathode active material for solid-state batteries comprising Li, M and O, wherein M comprises Ni, Mn, B, wherein the molar ratio of Li and M, Li/M, is between 1.20 and 1.40; and wherein B is present in a surface coating and the B content, calculated versus the total molar fraction of Ni, Mn, and B in the coating, measured by X-ray photoelectron spectroscopy XPS of at least 25 mol%.

THERMAL MONITORING OF LITHIUM-ION OR SODIUM-ION TRACTION BATTERIES IN A RACK STORAGE SYSTEM VIA A VEHICLE BUS OR ON-BOARD DIAGNOSTIC INTERFACE

Resumen de: WO2026037776A1

A system (BMA) is provided for thermally monitoring a plurality of drive batteries (BP), wherein the drive batteries are stored in a rack storage system (RL) having a plurality of storage compartments (LF) and each comprise: a plurality of battery modules (MOD) having battery cells (BAT); a battery management system (BMS); and a means for connection to a vehicle controller of the electric vehicle. The system comprises at least one connection point (AP), in the region of the rack storage system, for in particular automatic data connection to an externally accessible vehicle bus interface or diagnostic interface (CAN, OBD) of a stored drive battery for the purpose of receiving present drive battery data (D), in particular battery temperature values, and/or an overtemperature warning (W), from the battery management system of the particular stored drive battery. The system is designed to output the drive battery data and/or overtemperature warning received from the at least one connection point and relating to the particular drive battery stored in the rack storage system, preferably along with an associated storage compartment position (POS), to a superordinate hazard notification point (Z).

METHOD AND DEVICE FOR DRYING ELECTRODE COATINGS

Resumen de: WO2026037453A1

The present invention relates to a method (100) for drying a pasty coating (211) of an electrode material on a strip-like electrode foil in a drying oven (200) with a variable drying rate. The invention further comprises a drying oven (200) with a transporting device (220) for guiding the electrode foil having the pasty coating (211) applied to a front surface through the drying oven (200) along a drying section (140) and with drying nozzles (240) arranged along the drying section (140) in the guiding direction.

POWER SYSTEMS FOR DATA CENTERS

Resumen de: WO2026038083A1

Systems and methods are described for powering a load, such as a data center, with renewable energy from a renewable energy source. When the renewable energy is greater than a demand of the load, excess renewable energy is used to power a hydrogen production device or charge a battery depending on whether or not the charge level of the battery satisfies an upper threshold charge level, respectively. When the renewable energy is less than the demand of the load and the charge level of the battery satisfies a lower threshold charge level, the load is powered with energy from the battery. When the renewable energy is less than the demand of the load and the charge level of the battery does not satisfy the lower threshold charge level, the load is powered and the battery is charged with energy generated by the hydrogen-based energy generator.

SAFETY DEVICE FOR AN ELECTRICITY STORAGE SYSTEM FOR A VEHICLE

Resumen de: WO2026037587A1

The present invention relates to an electricity storage system (1) for a vehicle, comprising a casing (2) and at least one electricity storage cell (3) arranged in the casing (2), and a thermal treatment circuit (4) configured to be flowed through by a cooling fluid, the thermal treatment circuit (4) comprising a circulation-inducing means (5) and a heat exchanger (6), the thermal treatment circuit (4) extending within the casing (2) so that the cooling fluid thermally treats the electricity storage cell (3), characterized in that the electricity storage system (1) comprises a safety device (8) comprising a safety valve (10) and a cyclone separation device (9) centered about an axis, the axis passing through the safety valve (10).

SAFE DISCHARGE AFTER BATTERY PACK THERMAL RUNAWAY

Resumen de: WO2026036341A1

A vehicle includes: an electric motor; and a battery pack, the battery pack comprising: a plurality of battery cells; a thermal management system configured to conduct thermal management of the battery pack; and a battery management system configured to: monitor at least one parameters of the battery pack; and detect a battery thermal runaway incident based on the at least one parameters of the battery pack. The vehicle further includes: a vehicle management system; and at least one load. When the battery thermal runaway incident is detected, the battery management system is configured to determine whether output power of the plurality of battery cells matches a target power. When the output power of the plurality of battery cells and the target power does not match, the vehicle management system sends a first control signal to discharge the plurality of battery cells through the at least one load.

Sacrificial Positive Electrode Material with Reduced Gas Generation and Method of Preparing Thereof

Resumen de: US20260051513A1

A disclosure sacrificial positive electrode material with reduced gas generation and a method of preparing the same are disclosed herein. In some embodiments, a method includes calcining a mixture of lithium oxide (Li2O) and cobalt oxide (CoO) in an atmosphere containing an inert gas and oxygen gas and having a relative humidity of 20% or less, wherein the oxygen gas is at a partial pressure of 1% or less, to prepare a lithium cobalt metal oxide represented by Chemical Formula (1):Lix⁢Co(1-y)⁢My⁢O4-z⁢AzChemical⁢Formula⁢1M is at least one selected from the group consisting of Ti, Al, Zn, Zr, Mn and Ni, A is a halogen, x, y and z are 5≤x≤7, 0≤y≤0.4, and 0≤z≤0.001. A battery having the sacrificial positive electrode material can have reduced gas generation in the electrode assembly at the time of charging the battery, and thus the stability and life of the battery are improved.

BATTERY PACK

Resumen de: US20260051554A1

A battery pack includes: a battery case body, defining a first opening in a side of the battery case body and a second opening in another side of the battery case body opposite to the first opening; a battery module, mounted inside the battery case body; a first liquid-cooling plate, assembled at the first opening of the battery case body; a second liquid-cooling plate, assembled at the second opening of the battery case body; and a CCS assembly, disposed between the battery module and the first liquid-cooling plate.

METHOD AND SYSTEM FOR RECOVERING NMP IN LITHIUM BATTERY PRODUCTION

Resumen de: US20260048358A1

A method and system for recovering NMP in lithium battery production including acquiring NMP waste gas discharged from a coating machine, and subjecting the NMP waste gas to a multi-stage condensation treatment. The method may additionally include, conveying the first-stage NMP gas to a zeolite runner for an adsorption and desorption treatment. In addition, in some embodiments, the method may include mixing the first-stage NMP waste liquid with the second-stage NMP waste liquid and subjecting the NMP recovered liquid to a multi-stage dehydration treatment to remove dehydrated light components, and extracting dehydrated heavy components. The method may additionally include, rectifying the dehydrated heavy components to remove rectified heavy components, extracting rectified light components, and acquiring an NMP finished product liquid via the rectified light components.

SLURRY HOMOGENIZATION PROCESS AND USE THEREOF

Resumen de: US20260048371A1

A slurry homogenization process and a use thereof, including the following steps: performing a first pre-mixing operation on a main material, a first conductive agent, and a binder to obtain a first mixture; adding the first mixture into a first solvent, and sequentially performing a second pre-mixing operation and a first dispersing operation to obtain a second mixture; and adding a conductive slurry into the second mixture, sequentially performing a third pre-mixing operation and a second dispersing operation to obtain a third mixture, and performing a defoaming and cooling operation on the third mixture to obtain a homogenized slurry.

CROSSLINKED POLYTHIOPHENE COMPOUNDS, SULFUR-CARBON COMPOSITE, LITHIUM-SULFUR BATTERY, AND METHOD OF MANUFACTURING THE SULFUR-CARBON COMPOSITE

Resumen de: US20260049179A1

Provided are a crosslinked polythiophene compound having a crosslinking structure and comprising a cationic functional group, a sulfur-carbon composite comprising a porous carbon material; a coating layer disposed on at least a surface of the porous carbon material and comprising the crosslinked polythiophene compound; and a sulfur compound present in at least a portion of the surface of the porous carbon material or inside of pores of the porous carbon material, or a surface of the coating layer, and a lithium-sulfur battery comprising the sulfur-carbon composite.

POSITIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, ALL-SOLID-STATE BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME

Resumen de: US20260051509A1

Disclosed are positive electrodes and all-solid-state batteries including the positive electrodes. A positive electrode includes a positive electrode current collector, a positive electrode active material layer on the positive electrode current collector, and a porous film in the positive electrode active material layer. The positive electrode active material layer includes positive electrode active material particles and solid electrolyte particles. The positive electrode active material layer has a first section and a second section that are distinct across the porous film. The first section is between the positive electrode current collector and the porous film. An average particle diameter of the solid electrolyte particles in the first section is different from an average particle diameter of the solid electrolyte particles in the second section.

TITANIUM DIOXIDE IN FLOODED DEEP CYCLE LEAD-ACID BATTERIES

Resumen de: US20260051505A1

A flooded deep cycle lead-acid battery includes at least one negative plate, at least one positive plate and an electrolyte. The positive plate comprises a positive electrode grid made primarily of lead and a positive paste including a lead compound and titanium dioxide (TiO2) additive. A process of manufacturing a positive active material paste for a flooded deep cycle lead-acid battery includes: directly adding TiO2 into a paste mixer with a lead compound to form a mix of positive additives; dry mixing the positive additives to form a dry mixture; adding water to the dry mixture; wet-mixing the water with the dry mixture to form a wet mixture; pasting and curing a positive electrode grid with the wet mixture.

POSITIVE ELECTRODE PLATE AND LITHIUM-ION BATTERY COMPRISING THE POSITIVE ELECTRODE PLATE

Resumen de: US20260051504A1

Disclosed are a positive electrode plate and a lithium-ion battery including the same. The positive plate includes a positive electrode current collector and a positive electrode coating layer; and the positive electrode coating layer includes a first coating layer and a second coating layer, wherein the first coating layer is coated on the positive electrode current collector surface, and the second coating layer is coated on the first coating layer surface. The lithium-ion battery has a good safety performance, and when mechanical misuse (needling, weight impact) occurs, the probability of battery fire failure is significantly reduced.

CHLORIDE CATHOLYTE COMPOUNDS, CATHODE COMPOSITES, AND SOLID STATE BATTERIES MADE THEREWITH

Resumen de: US20260051497A1

A cathode composite may comprise about 5% wt/wt to about 99% wt/wt of Na2+(4−y)xMxZr1−xCl6 or Li2+(4−y)xMxZr1−xCl6 and a cathode material as a balance thereof. The cathode material is selected from the group consisting of a carbon-based conductive material, a Na-ion O3-type layered oxide material, a polyanion-type cathode material, and combinations thereof. x is 0≤x≤1, M is a cation, y is M's valence numbers, and M is selected from the group consisting of a Nb5+, Ta5+, V5+, Cr3+, Mo6+, Mo4+, W6+, W4+, Mn2+, Mn4+, Mn5+, Fe3+, Fe2+, Co3+, Co2+, Ni3+, Ni2+, and combinations thereof. A solid-state battery may comprise a housing enclosing an anode and the cathode composite. The cathode composition may function as a cathode and as a solid electrolyte.

TEMPERATURE SENSING WITHIN A BATTERY PACK

Resumen de: WO2026038270A1

Techniques for sensing temperature at different locations within a battery pack are described. In an example, the battery pack comprises a plurality of battery modules (104). The plurality of battery modules (104) comprises a plurality of battery cells (106). The battery modules (104) are secured within a cell holder (102). At least one busbar (108) is arranged on the cell holder (102). The battery pack comprises at least one busbar (108) that is configured to establish an electrical connection amongst the plurality of battery modules (104). The battery pack further comprises a harness (110) disposed on the at least one busbar (108). The harness (110) is disposed on the at least one busbar (108) using a plurality of harness holding features (114) to securely hold the harness (110). Further, at least one temperature sensor is disposed on the harness (110). The at least one temperature sensor may be positioned at any position along the length of the harness (110).

METHOD FOR IMPROVING BATTERY PERFORMANCE

Resumen de: WO2026038538A1

Problem To develop a method for improving battery performance, with which it is possible to improve battery performance and retrofitting is possible, with a relatively simple mechanism. Solution A method for improving battery performance characterized in being capable of improving battery performance by allowing a magnetic body to stand still in the vicinity of a battery. Preferably, a solid ENE can be used as the magnetic body, and the magnetic body is manufactured by combining any one or two or more of iron (Fe), copper (Cu), aluminum (Al), nickel (Ni), cobalt (Co), boron (B), and metal powders of these metal components (including metal components containing these metal elements as constituent elements), and condensing the metal powders.

BINDER, COMPOSITION, AND METHOD FOR PRODUCING COMPOSITION, AND SECONDARY BATTERY AND METHOD FOR PRODUCING SECONDARY BATTERY

Resumen de: WO2026038456A1

This binder is used in a secondary battery including an inorganic solid electrolyte, the binder including: a structural unit derived from a compound represented by formula (1); and a structural unit derived from at least one fluorine atom-free compound selected from the group consisting of α-olefins, vinyl ether compounds, and vinyl ester compounds. Formula (1): CF2 = CFX In formula (1), X represents a fluorine atom, a chlorine atom, a hydrogen atom, a fluorine-containing alkyl group having 1-3 carbon atoms, or a fluorine-containing alkoxy group having 1-3 carbon atoms.

POWER SUPPLY DEVICE, POWER SUPPLY SYSTEM, AND CONTROL METHOD

Resumen de: WO2026036378A1

The present application relates to a power supply device, a power supply system, and a control method. The power supply device comprises a processing chip, an energy storage assembly, and a safety management assembly, the processing chip comprises a protocol chip and a main control chip, the protocol chip is connected to the main control chip, the main control chip is separately connected to the energy storage assembly and the safety management assembly, and the energy storage assembly is connected to the safety management assembly; the safety management assembly is used for monitoring the power supply device when the energy storage assembly is in an operating mode, and sending a state control signal of the operating mode to the processing chip when an anomaly occurs in the power supply device, and the processing chip is used for controlling, on the basis of the state control signal, the energy storage assembly to stop the operating mode. By using the safety management assembly in the power supply device, when it is detected that an anomaly occurs in the power supply device during working, the working state of the power supply device can be immediately interrupted, thereby improving the safety of the power supply device during working, and solving the potential safety hazards of the power supply device during working.

BATTERY MODULE SYSTEMS, ASSEMBLIES, AND METHODS OF MANUFACTURE

Resumen de: US20260048671A1

A battery system for powering an electric vehicle can comprise a plurality of battery modules, each of the plurality of battery modules comprising a housing and a plurality of cells disposed within the housing. A plumbing arrangement include a straight tube disposed between adjacent modules in the plurality of modules. An anchor arrangement for each of the plurality of battery modules can facilitate various mounting configurations for each respective battery module. An exhaust system for the battery system can be reconfigurable with a 1:1 vent tube to module ratio. Custom adapters can be configured for mounting airframer exhaust systems to each of the plurality of battery modules.

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

Resumen de: US20260048568A1

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. The heat-fusible resin layer includes at least one layer having a hardness of at least 70 MPa from a cross-section in the lamination direction of the laminate, measured using a nanoindentation method using an indentation load of 100 μN.

BATTERY MODULE INCLUDING MULTIPLE PARALLEL BATTERY CELLS

Resumen de: US20260048450A1

A welding mask according to an embodiment of the present disclosure includes a welding mask body having a laser passage portion configured to allow a laser emitted into a housing of a battery cell to pass therethrough, the welding mask body configured to cover an open portion on a side of the housing; and an insertion guide having a hollow structure, connected to the laser passage portion, and configured to be inserted into a winding center hole of an electrode assembly received in the housing.

SINGLE-ION CONDUCTING MATERIAL

Resumen de: US20260049186A1

A single-ion conducting material comprising a plurality of units of formula (I): (I) wherein X is Al or B; M is a cation; the single-ion conducting material comprises X groups of formula (I) linked by a group of formula (II) wherein n is greater than 1 and each R1 independently is an organic residue: (II) and the single-ion conducting material comprises X groups of formula (I) substituted with at least one group of formula OR2 wherein R2 is an organic substituent which is not bound a further X. The single-ion conductive material may be used in a metal battery or metal ion battery.

SELF-CHECKING-BASED FIRE-FIGHTING AIR INTAKE AND DISCHARGE CONTROL SYSTEM, AND CONTROL METHOD

Nº publicación: US20260048283A1 19/02/2026

Solicitante:

SUNGROW POWER SUPPLY CO LTD [CN]
Sungrow Power Supply Co., Ltd

Resumen de: US20260048283A1

A self-checking fire-fighting gas intake and discharge control system, which is applied to detect a combustible gas in an energy storage container. The gas detection module is used to detect a combustible gas concentration in an energy storage container; the air intake and discharge module is used for controlling the circulation of the gas in the energy storage container; and the control module is used for controlling the operation of the gas detection module and the operation of the air intake and discharge module, and controlling, when the combustible gas concentration exceeds a preset concentration threshold, the air intake and discharge module to discharge the combustible gas.