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POSITIVE ELECTRODE ACTIVE MATERIAL AND SECONDARY BATTERY

Resumen de: US20260269258A1

Provided is a positive electrode active material capable of suppressing decrease in the adhesion force between a positive electrode collector and a positive electrode mixture layer and decrease in a battery capacity. The positive electrode active material having pores is characterized in that: in a pore diameter distribution obtained by analyzing a nitrogen adsorption isotherm by the BJH method, a pore diameter is 30 nm or more and a pore volume has a peak of 0.003 cm3/g or more; and in a pore diameter distribution obtained by analyzing a nitrogen desorption isotherm by the BJH method, the pore volume of a peak in a region having a pore diameter of 5 nm or less is twice or more of the pore volume of a peak in a region having a pore diameter of more than 5 nm in a desorption side pore diameter distribution.

Molded Article Comprising Thermoplastic Continuous Fiber Reinforced Woven Composite, and Method for Manufacturing Same

Resumen de: US20260265475A1

A molded article of the present invention comprises: a woven composite sheet formed from two or more stacked sheets of thermoplastic continuous fiber reinforced woven composites; and a nonwoven fabric heated and compressed to be stacked on at least one surface of the woven composite sheet, wherein the thermoplastic continuous fiber reinforced woven composites are woven using, as warp and weft, a glass fiber composite comprising approximately 100 parts by weight of glass fiber, approximately 35-72 parts by weight of a polypropylene resin, approximately 12-35 parts by weight of piperazine pyrophosphate, approximately 1-20 parts by weight of a phosphazene compound and approximately 1-20 parts by weight of zeolite. The glass fiber composite has excellent lightweightness, flame retardancy, impact resistance, stiffness, exterior characteristics and the like.

INBOUND CHEMICAL PRODUCT WITH ENVIRONMENTAL ATTRIBUTES

Resumen de: US20260267319A1

Disclosed are computer-implemented method for registering at least one input material associated with at least one environmental attribute, a method for producing at least one output material associated with at least one environmental attribute and associated apparatuses.

METHOD FOR THE RECOVERY OF METALS FROM E-WASTE

Resumen de: US20260265859A1

Disclosed herein is a method of recovering metals from a leachate of an alkaline leach of electronic waste, the leachate including Cu, Li, and Mn ions, the method including recovering Mn from the leachate; after the step of recovering Mn from the leachate, recovering Cu from the leachate; and after the step of recovering Cu from the leachate, recovering Li from the leachate.

POUCH BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026183899A1

Disclosed in the present application are a pouch battery and an electric device. The pouch battery comprises: a pouch housing, a battery cell and a tab. The pouch housing comprises an encapsulation main body and side seal edges, wherein the encapsulation main body has an accommodating cavity, and the tab is connected to the battery cell. The encapsulation main body comprises two side walls in the direction of the width of the pouch battery, and a bottom wall and a top wall, which are located in the direction of the length of the pouch battery, wherein each of the side walls is provided with a first clearance groove, and the first clearance grooves extend to the bottom wall; and in the direction of the length of the pouch battery, each side seal edge comprises a first end face closer to the bottom wall, and is connected to the corresponding side wall, and each side seal edge comprises a first extension portion, the first extension portion extending into the corresponding first clearance groove, thereby increasing the sealing width of the pouch housing at the junctions of the side walls and the bottom wall. Therefore, the portions of the side seal edges protruding from the bottom wall can be cut or folded, such that the first end faces of the side seal edges do not protrude from the bottom wall of the encapsulation main body, and the sealing effect of the pouch battery at the cut positions and after the folding is ensured.

BATTERY BOX AND BATTERY PACK

Resumen de: WO2026183976A1

Provided in the present application are a battery box and a battery pack. The battery box comprises: a box body, the box body having an opening; a box cover, at least a portion of which is inserted into a cavity of the box body from the opening of the box body; and a sealing structure, at least a portion of which is sandwiched between the inner wall of the box body and the outer wall of the box cover, wherein the sealing structure is arranged around the box body, an annular adhesive injection cavity is formed between the side of the sealing structure facing the opening of the box body, the inner wall of the box body and the outer wall of the box cover, and the adhesive injection cavity is filled with a sealant.

BATTERY CELL COMPLEX FOR A VEHICLE BATTERY AND METHOD FOR POSITION DETECTION OF BATTERY CELLS OF A BATTERY CELL COMPLEX

Resumen de: WO2026184817A1

The invention relates to a battery cell complex (10) for a vehicle battery of a motor vehicle, comprising a plurality of battery cells (14) arranged side by side in a plane, and at least one detection element (16) which is fastened to a base (18) or a cover of one of the battery cells (14) and projects beyond said battery cell (14) in the axial direction (Ä).

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: AU2025327420A1

A battery cell, a battery and an electric device. The battery cell comprises: a casing, which has an opening; an end cover, which is used for covering the opening; an electrode terminal, which is provided on the end cover, wherein in the direction of gravity, the electrode terminal is located at the bottom of the casing; and an electrode assembly, which is accommodated in the casing. The electrode assembly comprises a positive electrode sheet, a separator and a negative electrode sheet, wherein the separator is arranged between the positive electrode sheet and the negative electrode sheet; at least one of the positive electrode sheet, the separator and the negative electrode sheet contains a gel electrolyte; the gel electrolyte comprises a lyophilic polymer and a confined electrolyte located inside the lyophilic polymer; and in the casing, the volume of free electrolyte is less than or equal to 10 mL.

GRANULATION ADDITIVE AND METHOD FOR MANUFACTURING HIGH‑RELIABILITY LITHIUM‑ION BATTERY USING SAME

Resumen de: WO2026183984A1

The present application relates to the technical field of battery materials. The present application provides a granulation additive and a method for manufacturing a high‑reliability lithium‑ion battery using same. The manufacturing method comprises: adding a granulation additive to a battery positive electrode material, wherein the granulation additive is a polyether water-soluble resin obtained by subjecting an organic compound A to a ring-opening polymerization reaction under the action of an organic weak base compound B serving as an initiator and a solvent C. The granulation additive has high adhesion and good electrical conductivity, and can be used as a flexible binder in combination with a conventional binder. The granulation additive provides adhesion and granulation functions in a positive electrode granulation process, and has the functions of making positive electrode powder particles smooth and improving the uniformity of the positive electrode powder. By using the granulation additive, the defects when only a conventional binder is used, such as poor adhesion, decreased stability under high‑temperature operating conditions, and increased internal resistance, can be solved, thereby effectively improving the stability and reliability of positive electrodes and battery cells.

BATTERY SEPARATOR AND PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY

Resumen de: WO2026184597A1

A battery separator and a preparation method therefor, and a secondary battery. The battery separator comprises a base membrane, and a first coating layer and a second coating layer that are arranged on the surfaces of the base membrane; the first coating layer comprises a first granular binder material and an inorganic heat-resistant material; the second coating layer comprises a second granular binder material; the softening points T1 and T2 of the first and second granular binder materials satisfy that 25°C≤T1≤45°C, and 45°C≤T2≤65°C; the D50 particle sizes D1 and D2 of the first and second granular binder materials satisfy that 2.5 μm≤D1≤6.5 μm, and 0.1 μm≤D2≤0.5 μm; moreover, 0.15≤(T2-T1)×D2/D1≤8. The battery separator has good low-temperature bonding performance, and can satisfy the bonding requirements of the separator to a negative electrode and a positive electrode in a thermal composite stacking process at a temperature below 65°C, thereby reducing energy consumption; a process window can be broadened, and product stability can be improved.

CASE AND PREPARATION METHOD THEREFOR, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260269358A1

A case includes a thermally conductive insulating layer. The thermally conductive insulating layer is provided on at least part of an inner surface of the case. A thermal conductivity coefficient of the thermally conductive insulating layer ranges from 0.03 W/mK to 10 W/mK, and a resistance of the thermally conductive insulating layer at a high voltage of 1000 V ranges from 100 MΩ to 100 GΩ.

POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US20260269247A1

A positive electrode plate, a battery, and an electric apparatus. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector, where the positive electrode film layer includes a positive electrode active material and a lyophilic polymer, and a coating weight of the positive electrode film layer is ≥300 mg/1540.25 mm2.

COATINGS, BATTERIES, AND METHODS OF MAKING THE SAME

Resumen de: US20260269310A1

Batteries include a cathode, a solid-state electrolyte, and an anode. A coating disposed on the solid-state electrolyte is positioned between the cathode and the solid-state electrolyte. The coating can include fluorine in a range from about 10 atom % to about 50 atom %. The anode can be a lithium-containing anode. A method of forming a coating on a solid-state electrolyte includes disposing an aqueous solution comprising a lithium and fluorine containing salt on a first major surface of the solid-state solution. The aqueous solution can contact the first major surface for about 1 minute or more. Methods of forming a battery includes the method of forming the coating and further includes disposing an anode on the coating and disposing the cathode on the solid-state electrolyte opposite the coating. The anode can be a lithium-containing anode.

LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAME

Resumen de: US20260269225A1

A lithium secondary battery according to an embodiment is a lithium secondary battery including a negative electrode and a positive electrode, in which the negative electrode has: in the following order, a current collector layer; a first lithium metal layer made of a lithium metal foil; a second lithium metal layer including granular lithium metal; and a third lithium metal layer including lithium metal and being porous, the granular lithium metal having an average particle diameter larger than an average pore diameter of the third lithium metal layer.

CATHODE ACTIVE MATERIALS FOR LITHIUM-ION BATTERIES AND METHODS OF MANUFACTURE

Resumen de: US20260269223A1

Disclosed herein are cathode active materials having (A) a core material according to general formula Li1+xTM1−xO2 where TM is a combination of Ni and Al and at least one of Mn and Co, and, optionally, at least one more metal selected from Mg, Zr, Ti, Nb, Ta, and W, and x is in the range of from zero to 0.2, where a least 80 mol-% of TM is nickel, and(B) a coating that includes at least one compound of boron in the oxidation state of +III,where the core material (A) is a polycrystalline material whose secondary particles are composed of primary particles,and where 0.0009≤λ≤0.0024, with λ being the molar ratio of sulfate to TM, determined by Inductively Coupled Plasma spectroscopy (ICP).

Battery Diagnosis Apparatus and Operating Method Thereof

Resumen de: US20260266921A1

An apparatus including a processor and a memory storing a plurality of instructions, in which the instructions cause, when executed by the processor, the battery diagnosis apparatus, to, for each battery cell of a plurality of battery cells, for each designated cycle of a plurality of designated cycles, calculate an SOH deviation dSOH between an SOH of the battery cell in a designated cycle and an average SOH of the plurality of battery cells in the designated cycle, calculate first difference values ΔdSOHs, wherein each first difference value is based on a difference between SOH deviations dSOHs measured in a respective pair of the designated cycles, calculate second difference values SOHdts, wherein each second difference value is based on a difference between SOH values measured in a respective pair of the designated cycles, calculate an error bound of the battery cell.

CONNECTOR

Resumen de: US20260269504A1

A connector according to an embodiment of the present disclosure may include a connector housing, a terminal configured to be inserted into the connector housing in a predetermined insertion direction, and a terminal block configured to be inserted into the connector housing, surround the terminal, and limit a movement of the terminal in a direction opposite to the predetermined insertion direction. The terminal block may include a first block configured to surround a first surface of the terminal, and a second block configured to be coupled to the first block and surround a second surface of the terminal.

ENERGY STORAGE CABINET AND ENERGY STORAGE SYSTEM

Resumen de: WO2026184693A1

Disclosed in the present application are an energy storage cabinet and an energy storage system. The energy storage system comprises a plurality of battery packs and the energy storage cabinet, the plurality of battery packs being assembled at intervals inside a cabinet body. The energy storage cabinet comprises the cabinet body, connecting assemblies and lifting lugs, wherein the cabinet body comprises a plurality of first cross beams and a plurality of second cross beams, which are cross-connected to one another, the first cross beams extending in the direction of length of the cabinet body, and the second cross beams extending in the direction of width of the cabinet body. The connecting assemblies are respectively connected to the first cross beams and the second cross beams. The lifting lugs are connected to the first cross beams and the second cross beams by means of the connecting assemblies. The energy storage cabinet and the energy storage system meet the requirement of expanding the internal space of the energy storage cabinet while ensuring a sufficient bearing capacity for the lifting lugs when sodium-ion battery packs are assembled therein.

BATTERY

Resumen de: WO2026184292A1

The present application relates to the technical field of battery cell assemblies, and specifically provides a battery, comprising a positive electrode sheet, a negative electrode sheet, a positive electrode tab and a negative electrode adapter piece; the positive electrode sheet comprises a positive electrode current collector and a positive electrode material layer, the positive electrode material layer being provided with a positive electrode tab recess; the positive electrode tab comprises a body portion provided in the positive electrode tab recess and an extending portion protruding therefrom, a first bending angle α being formed between the extending portion and the positive electrode current collector; the negative electrode sheet comprises a negative electrode current collector and a negative electrode soft tab, and the negative electrode soft tab comprises a laminated section and a collecting section, the laminated section extending from one side of the negative electrode current collector, the collecting section being connected to the negative electrode adapter piece, and a second bending angle β being formed between the collecting section and the negative electrode current collector, where β<α. The laminated section is connected to multiple layers of the negative electrode sheet, and then is in conduction with the negative electrode adapter piece by means of the collecting section, thereby increasing the current flux, reducing the internal resistance of the ba

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC APPARATUS

Resumen de: WO2026183930A1

Disclosed in the present disclosure are a battery cell, a battery apparatus, and an electric apparatus. An electrode assembly of the battery cell comprises a plurality of electrode sheet units stacked in a first direction; each electrode sheet unit comprises a first electrode sheet and a second electrode sheet stacked in the first direction; the first electrode sheet and the second electrode sheet have opposite polarities; and solid electrolyte layers are connected to two sides of either the first electrode sheet or the second electrode sheet in the first direction. Each electrode sheet unit further comprises an adhesive frame sleeved on the outer edge of the second electrode sheet; the shape of the inner edge of the adhesive frame matches the shape of the outer edge of the second electrode sheet, and the shape of the outer edge of the adhesive frame matches the shape of the inner edge of the first electrode sheet; and in the first direction, two sides of the adhesive frame are respectively bonded to first electrode sheets that are adjacent to each other in the first direction.

CONVEYING APPARATUS AND BATTERY PRODUCTION LINE

Resumen de: US20260264999A1

The conveying apparatus includes a conveying mechanism, a blocking mechanism, and a damping mechanism. The conveying mechanism has a conveying zone, and the conveying mechanism is configured to convey material in the conveying zone along a transmission direction. The blocking mechanism is configured to extend into the conveying zone to block movement of the material along the transmission direction. The damping mechanism is at least partially located in the conveying zone. In the transmission direction, a damping mechanism is arranged at a distance from the blocking mechanism. The damping mechanism is capable of moving relative to the conveying mechanism under the drive of the material. The conveying apparatus provided by the present application is used for conveying carrier cups, and the damping mechanism is configured to provide resistance to the carrier cups to reduce the impact force of the carrier cups on the blocking mechanism.

PREPARATION METHOD FOR LITHIUM IRON PHOSPHATE MATERIAL

Resumen de: WO2026184775A2

A preparation method for a lithium iron phosphate material. The method is specifically as follows: mixing iron phosphate, lithium carbonate, a carbon source and an auxiliary material, subjecting the resulting mixture to coarse grinding and fine grinding, then respectively preparing a large-particle lithium iron phosphate and a small-particle lithium iron phosphate (a material A and a material B) by using spray drying and calcination processes, mixing the material A and the material B proportionally, adding an auxiliary material thereto, then performing grinding, and further performing spray drying, calcining and crushing, so as to obtain a final lithium iron phosphate product.

ELECTRODE ASSEMBLY AND ADHESIVE TAPE APPLICATION METHOD THEREFOR, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE

Resumen de: US20260269342A1

An electrode assembly includes: a first covering member disposed on a surface of the electrode assembly, where an information pattern is provided on the first covering member; and a second covering member disposed on the surface of the electrode assembly, where the information pattern is exposed outside the second covering member. The present application ranges the second covering member cover the surface of the electrode assembly to protect the electrode assembly through the second covering member and reduce the influence of the external environment on the electrode assembly. When the second covering member covers the electrode assembly, the information pattern is enabled to be exposed outside the second covering member.

BATTERY CASE

Resumen de: US20260264498A1

A battery case includes an inner cross member extending in the vehicle width direction extend over a pair of side wall portions in a main body. The inner cross member includes a top plate section, a pair of vertical wall portions, and a pair of flange sections, the pair of vertical wall portions includes a front side vertical wall portion and a rear side vertical wall portion facing each other in the vehicle front-rear direction, and a ridgeline portion extending in the vehicle width direction is formed in at least one of the front vertical wall and the rear vertical wall.

SYSTEM FOR RESOURCE RECOVERY AND ZERO LIQUID DISCHARGE TREATMENT OF WASTEWATER GENERATED DURING A PRECURSOR MANUFACTURING PROCESS FOR A CATHODE ACTIVE MATERIAL OF SECONDARY BATTERY

Nº publicación: US20260265105A1 10/09/2026

Solicitante:

BKT CO LTD [KR]
BKT CO., LTD.

Resumen de: US20260265105A1

Disclosed is a system for treating wastewater containing heavy metals and high-concentration ammonia generated during a manufacturing process for a cathode active material precursor of a secondary battery. According to one aspect of the present disclosure, there is provided a system for zero liquid discharge (ZLD) treatment of wastewater generated during a manufacturing process for a cathode active material precursor of a secondary battery, the system including: an ammonia stripping unit configured to remove an ammonia component from wastewater generated during the precursor manufacturing process; an ion exchange (IX) unit configured to remove metal ions; a chemical recovery unit configured to recover an acid solution and an alkaline solution; and a water reclamation unit configured to produce, from the wastewater from which the acid solution and the alkaline solution have been recovered, reclaimed water for use in the system.