Alerta

FLUE GAS STRUCTURE

Resumen de: US20260221586A1

0000 A flue gas structure includes: a storage battery cell installed in a vehicle; a lower case disposed at a lower face of the storage battery cell and having a flow path part separated from the lower face of the storage battery cell and configuring a flue gas flow path, a contact part provided at both sides, in a vehicle width direction, of the flow path part and disposed further toward a vehicle upper side than the flow path part, and an inclined part coupling together the flow path part and the contact part; and a cooler disposed at a lower face of the contact part and receiving heat from the storage battery cell, in which the inclined part in the lower case forms an angle from 40 degrees to 90 degrees with a lower face of the storage battery cell corresponding to the flue gas flow path.

NON-AQUEOUS ELECTROLYTE AND SECONDARY BATTERY

Resumen de: WO2026157607A1

A non-aqueous electrolyte and a secondary battery. The non-aqueous electrolyte comprises a non-aqueous organic solvent, an electrolyte salt, and an additive; the additive comprises a first additive and a second additive; the first additive comprises a compound represented by structural formula 1 and/or a compound represented by structural formula 2; the second additive comprises fluoroethylene carbonate; structural formula 1; structural formula 2; and the non-aqueous electrolyte satisfies the following conditions: equation 1, 0.001≤a≤1, 0.1≤b≤7, and 6≤σ≤13.

SECONDARY BATTERY, CURRENT COLLECTOR AND ELECTRIC DEVICE

Resumen de: WO2026157385A1

Disclosed in the present application are a secondary battery, a current collector and an electric device. The secondary battery comprises a current collector, wherein the current collector comprises a base layer, a reinforcement layer and a conductive layer; the base layer comprises a polymer material; one of the reinforcement layer and the conductive layer is provided between the other and the base layer; the reinforcement layer comprises at least one of a metal material and a non-metal material, the metal material comprises at least one of nickel, chromium, iron, cobalt, tungsten and molybdenum, and the non-metal material comprises at least one of aluminum oxide, nickel oxide, chromium oxide, graphene, acetylene black, carbon black and carbon nanotubes; and on the basis of the total thickness of the reinforcement layer and the conductive layer, the thickness proportion of the reinforcement layer is greater than or equal to 10% and less than 100%. The current collector has a relatively high strength and relatively good ductility and conductivity; therefore, the mechanical properties of the current collector is improved, and the cycling stability and power performance of the secondary battery can be improved.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: WO2026157429A1

The present application discloses a secondary battery and an electric device. The secondary battery comprises a battery body and a casing for accommodating the battery body, wherein the battery body comprises a positive electrode sheet, an electrolyte, and a negative electrode sheet; a pouch is arranged between the battery body and the casing, the pouch is provided with powder of a hydrogen storage alloy, and the hydrogen absorption pressure of the hydrogen storage alloy is 0.3 MPa-0.5 MPa.

BATTERY

Resumen de: US20260221548A1

A battery includes: an electrode assembly; and a metal exterior case having a rectangular parallelepiped shape and housing the electrode assembly. The metal exterior case includes a first main surface and a second main surface, each extending in a direction intersecting a thickness direction. Either or both of the main surfaces include a variable structure configured to allow the main surface to variably assume one of the following shapes in accordance with a volume change of the electrode assembly: a recessed shape in which the main surface is recessed inward in the thickness direction, a protruding shape in which the main surface protrudes outward in the thickness direction, and an intermediate shape between the recessed shape and the protruding shape.

SECONDARY BATTERY CELL, ELECTRIC DEVICE, GRAPHITE MATERIAL, AND PREPARATION METHOD THEREFOR

Resumen de: WO2026157336A1

A secondary battery cell, an electric device, a graphite material, and a preparation method therefor. The secondary battery cell comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer located on at least one side of the negative electrode current collector. The negative electrode film layer comprises a negative electrode active material. The negative electrode active material comprises a graphite material having a pore structure. The pore structure comprises a mesoporous structure having a pore diameter of 2 nm to 50 nm, and the proportion of the mesoporous structure in the pore structure is greater than or equal to 50%.

SECONDARY BATTERY, CURRENT COLLECTOR, AND ELECTRIC DEVICE

Resumen de: WO2026157384A1

Disclosed in the present application are a secondary battery, a current collector, and an electric device. The secondary battery comprises: a current collector, which comprises a base layer and a conductive plating layer, and comprises first regions stacked in the thickness direction of an electrode sheet and a second region located on at least one side of the first region in a first direction, wherein the base layer is located in the first regions and the second region, the conductive plating layer is at least arranged in the second region, the tensile strength of the base layer ranges from 400 MPa to 1000 MPa, and the conductivity of the conductive plating layer is greater than that of the base layer. The relatively high tensile strength of the base layer facilitates the improvement in the cycle stability of the battery. The conductive plating layer facilitates the improvement in the conductivity of the current collector; in addition, the conductive plating layer is at least arranged in the second region, such that a sufficient overcurrent area for currents that are output from the electrode assembly can be provided. Therefore, the current collector can improve the power performance of the battery.

SODIUM SECONDARY BATTERY CELL AND ELECTRIC DEVICE

Resumen de: WO2026157285A1

A sodium secondary battery cell and an electric device. The sodium secondary battery cell comprises a separator, the separator comprises a porous substrate and a porous coating, the porous coating is provided on at least one surface of the porous substrate, the porous coating comprises heat-resistant particles and bonding particles, and the bonding particles comprise fluorine-free organic particles.

SODIUM SECONDARY BATTERY CELL AND ELECTRICAL DEVICE

Resumen de: WO2026157412A1

Provided in the present application are a sodium secondary battery cell and an electrical device. The sodium secondary battery cell comprises a separator, wherein the separator comprises a porous base film and a heat-resistant coating provided on at least one side of the porous base film, the heat-resistant coating comprises a fibrous material and a filler, and the coating weight of the heat-resistant coating on one side is 1.3 g/m2-2.0 g/m2.

SECONDARY BATTERY AND ELECTRICAL DEVICE

Resumen de: WO2026157480A1

Disclosed in the present application are a secondary battery and an electrical device. The secondary battery comprises a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and negative electrode active layers arranged on two opposite sides of the negative electrode current collector; the areal density of the negative electrode current collector is 0.02 g/1540.25 mm2-0.06 g/1540.25 mm2, and the tensile strength of the negative electrode current collector is greater than or equal to 350 MPa; each negative electrode active layer comprises a silicon-containing material, and the mass proportion of silicon in the negative electrode active layer is 15%-90%. The combination of the high-specific-capacity negative electrode active material and the light-weight and high-strength negative electrode current collector is beneficial to improving the energy density of the secondary battery and simultaneously improving the cycle performance of the secondary battery.

BATTERY CELL, BATTERY APPARATUS, AND ELECTRIC APPARATUS

Resumen de: WO2026157383A1

The present application discloses a battery cell, a battery apparatus, and an electric apparatus. The battery cell comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte. The positive electrode sheet comprises a positive electrode composite current collector, a first positive electrode active layer, and a second positive electrode active layer, wherein the first positive electrode active layer is arranged on at least one side of the positive electrode composite current collector, the first positive electrode active layer is a water-soluble film layer, the second positive electrode active layer is arranged on the side of the first positive electrode active layer facing away from the positive electrode composite current collector, and the second positive electrode active layer is an oil-soluble film layer. By means of the described arrangement, the first positive electrode active layer can cover burrs, and can also cover a reverse curl of a metal layer generated after nail penetration of the positive electrode composite current collector, while the probability of the first positive electrode active layer being corroded by the second positive electrode active layer to form bottom voids is reduced, thereby improving the safety performance of the battery cell.

SEPARATOR, SECONDARY BATTERY CELL AND ELECTRICAL APPARATUS

Resumen de: WO2026157485A1

Provided in the present application are a separator, a secondary battery cell, and an electrical apparatus. The separator comprises a substrate and a coating layer arranged on at least one side of the substrate; the coating layer comprises first inorganic particles and second inorganic particles, the average particle size of the second inorganic particles being greater than the average particle size of the first inorganic particles; the first inorganic particles form a main body portion of the coating layer, and the second inorganic particles are embedded in the main body portion and form a protrusion portion on the surface of the coating layer; the first inorganic particles exhibit block-shaped or flake-shaped morphology, and the second inorganic particles exhibit spherical, quasi-spherical or ellipsoidal morphology. The separator has excellent pressure resistance and high structural stability, and can provide a sufficient buffer space for the expansion of electrode sheets in a cycle process, thereby helping to construct stable electrolyte infiltration channels, and improving the cycle life of secondary battery cells.

BATTERY DEVICE AND ELECTRIC APPARATUS

Resumen de: WO2026157283A1

Provided in the present application are a battery device and an electric apparatus. The battery device comprises: a case having an accommodating cavity; battery cells, wherein the plurality of battery cells are arranged in the accommodating cavity, each battery cell comprises a casing and an electrode assembly arranged in the casing, and the casing comprises a first wall; a thermal management component arranged on the first walls, wherein the thermal management component is configured to regulate the temperature of the battery cells, the thermal management component has a first surface and a second surface that intersect with each other, and the first surface is arranged facing the first walls; and a first insulating member arranged on the thermal management component, wherein the first insulating member comprises a first insulating portion and a second insulating portion that intersect with each other, the first insulating portion is located between the first surface and the first walls, the first insulating portion covers at least part of the first surface, and the second insulating portion covers at least part of the second surface. The battery device and the electric apparatus provided in the present application can ensure their own reliability.

BATTERY DEVICE, ENERGY STORAGE DEVICE AND ELECTRIC DEVICE

Resumen de: WO2026157813A1

Disclosed in the present application are a battery device, an energy storage device and an electric device. The battery device comprises: a battery cell; and a heat exchange component, which is located on at least one side of the battery cell in a first direction. The heat exchange component comprises a main body portion and a plurality of ribs arranged on at least one side of the main body portion facing the battery cell, wherein every two adjacent ribs are spaced apart from each other to form a heat exchange air duct and an air outlet and an air inlet respectively located at two ends of the heat exchange air duct, the air outlet being located on at least one side of the heat exchange component in a second direction, the air inlet being located on at least one side of the heat exchange component in a third direction, and the first direction, the second direction and the third direction intersecting one another. The air outlet and the air inlet are located on different sides, which allows air to fully flow in the heat exchange air duct, thereby improving a heat exchange effect and improving the safety performance of the battery device.

BATTERY CELL AND BATTERY MODULE INCLUDING THE SAME

Resumen de: US20260221633A1

The present disclosure provides a battery cell including a cell case including a sidewall forming an accommodation space therein, and an upper plate in which a through-hole is formed; an electrode assembly disposed in the accommodation space of the cell case; an insulating plate disposed between the electrode assembly and the upper plate and including a hollow portion; and a first current collector electrically connected to a first electrode tab of the electrode assembly, wherein the insulating plate includes a first portion contacting the upper plate; a second portion contacting the electrode assembly or the first current collector; and a third portion formed between the first portion and the second portion, and wherein one of the first portion or the second portion is disposed adjacent to an edge of the hollow portion, and the other thereof is disposed adjacent to an edge of the insulating plate.

SOLID ELECTROLYTE AND PREPARATION METHOD THEREFOR, AND ALL-SOLID-STATE LITHIUM BATTERY COMPRISING SOLID ELECTROLYTE

Resumen de: WO2026158453A1

The present invention provides a solid electrolyte and a preparation method therefor, and an all-solid-state lithium battery comprising the solid electrolyte. The solid electrolyte comprises a polyanionic halide LixMCl6-a-bOaFb, wherein M is selected from transition metals of subgroup IV and subgroup V, metals of group III, and combinations thereof, and preferably selected from Zr, In and Ta and combinations thereof; and 1≤x≤4, 0

TAB MISALIGNMENT AMOUNT MEASUREMENT METHOD AND MEASUREMENT DEVICE

Resumen de: WO2026158016A1

A tab misalignment amount measurement method and measurement device, for use in performing measurement on a tab during merging components of an electrode assembly on a merging mechanism, thereby improving the measurement precision and accuracy. The measurement method comprises: acquiring first data and second data collected by a data collection device, the first data including data of a target edge of a tab, the second data including data of a scale line on a merging mechanism, and the target edge including an edge of a merging surface of the tab (110); generating a target image on the basis of the first data and the second data, the target image including an image showing the relationship between whether the target edge is collected and a collection time, and the relationship between whether the scale line is collected and the collection time (120); on the basis of the target image, determining a scale value corresponding to the target edge on the scale line (130); and determining a misalignment amount of the tab on the basis of the scale value (140).

ELECTROLYTE-ELECTRODE STACK AND METHODS FOR PRODUCING THEREOF

Resumen de: WO2026161872A1

The present disclosure relates to electrolyte-electrode stacks useful for dynamic reversible metal electrodeposition (RME) applications. The disclosed stack comprises a thin polymeric film substrate with a patterned metallic electrode disposed on it and a gel polymer electrolyte (GPE) layer in contact with the electrode. The stack can be manufactured through continuous roll-to-roll (R2R) processes, enabling efficient large-scale production. The stack may be stored in rolled form and applied as a single prefabricated component, simplifying device assembly and reducing manufacturing complexity.

BATTERY PACK AND MANUFACTURING METHOD THEREFOR

Resumen de: WO2026160719A1

The present invention relates to a battery pack and a manufacturing method therefor. In an embodiment, the battery pack comprises: a battery cell including an electrode assembly and an exterior material which surrounds the electrode assembly; a tape attached to the exterior material; and a reinforcing material positioned between the tape and the exterior material.

TEMPORARY PLUG FOR USE IN MAKING A BATTERY AND METHOD OF MANUFACTURING THE TEMPORARY PLUG

Resumen de: WO2026161858A1

A plug for temporarily covering an opening in a lid of a battery. The plug includes a hat, a substructure extending from the hat, and a stem extending from the substructure, away from the hat. The hat includes a crown, a brim extending from the crown, and a collar extending from the brim. The substructure includes a trunk having radially extending branches that each include a radially extending plateau adjacent a raised foot. The raised foot is disposed radially inward of the collar and extends away from the hat and away from the plateau. The stem extends from the trunk of the substructure and has a noncircular cross-sectional shape defined by grooves spaced apart from one another by lobes. The grooves and the lobes in the stem each extend in a longitudinal direction along a periphery of the stem. The plug may be made using a plastic injection molding process.

METHOD FOR PRODUCING SULFIDE-BASED SOLID ELECTROLYTE

Resumen de: US20260221498A1

The present disclosure provides a method for producing a sulfide-based solid electrolyte, in which a tetrahydrofuran-based organic solvent capable of dissolving most of a precursor mixture in a continuous phase and preventing an undissolved precursor mixture from generating precipitates caused by side reactions is used to produce a sulfide-based solid electrolyte having high purity and high ionic conductivity.

LITHIUM-ION SECONDARY BATTERY, BATTERY ASSEMBLY, PREPARATION METHOD, AND ELECTRIC APPARATUS

Resumen de: WO2026157484A1

A lithium-ion secondary battery, a battery assembly, a preparation method, and an electric apparatus. The lithium-ion secondary battery comprises: a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte, wherein the separator is located between the positive electrode sheet and the negative electrode sheet; the electrolyte fills the space among the positive electrode sheet, the separator, and the negative electrode sheet; the positive electrode sheet is provided with a current collector and a positive electrode active layer; the positive electrode active layer comprises a lithium nickel cobalt manganese oxide; the electrolyte comprises cyclic sulfur-containing organic matter; on the basis of the total mass of the electrolyte, the content of the cyclic sulfur-containing organic matter is 0.01-4.9%; and the cyclic sulfur-containing organic matter comprises cyclic sulfate and cyclic sulfonate, the content of the cyclic sulfate is 0.01-3.9%, and the content of the cyclic sulfonate is less than or equal to 1%.

POWER STORAGE SYSTEM

Resumen de: US20260221629A1

0000 A power storage system includes a plurality of power storage units, each including a plurality of battery packs, and a current collector unit connected to each of the power storage units to perform current collection, wherein each of the power storage units includes a first breaker and is connected to the current collector unit via the first breaker. The current collector unit is built into a first power storage unit from among the power storage units, includes a second breaker for connecting to each of second power storage units other than the first power storage unit, among the power storage units, is connected to the second power storage units via the first and second breakers, and is connected to the first power storage unit via just the first breaker.

BATTERY CELL, BATTERY APPARATUS, ELECTRIC APPARATUS, AND ENERGY STORAGE APPARATUS

Resumen de: WO2026156866A1

Embodiments of the present application provide a battery cell, a battery apparatus, an electric apparatus, and an energy storage apparatus, which can improve the use performance of a battery cell. The battery cell comprises: a casing, an electrode assembly, a first electrode terminal, and a liquid injection hole. The casing comprises a first wall; the electrode assembly is accommodated inside the casing; the first electrode assembly is arranged in a first region of the first wall; the liquid injection hole is formed in a second region of the first wall and runs through the first wall in the thickness direction of the first wall; on a plane perpendicular to the thickness direction of the first wall, the projection of the first region does not overlap the projection of the second region; and in the thickness direction of the first wall, the surface of the first region away from the electrode assembly is arranged farther away from the electrode assembly than the surface of the second region away from the electrode assembly.

COMPOSITE BINDER FOR DRY PROCESS, METHOD FOR PREPARING COMPOSITE BINDER, DRY ELECTRODE COMPOSITION CONTAINING COMPOSITE BINDER, ELECTRODE INCLUDING DRY ELECTRODE COMPOSITION, AND SECONDARY BATTERY INCLUDING ELECTRODE

Nº publicación: WO2026160735A1 30/07/2026

Solicitante:

CNP SOLUTIONS CO LTD [KR]
KIM JONG EUN [KR]
\uC8FC\uC2DD\uD68C\uC0AC \uC528\uC5D4\uD53C\uC194\uB8E8\uC158\uC988
\uAE40\uC885\uC740

Resumen de: WO2026160735A1

The present invention relates to technology concerning dry electrode compositions. More specifically, the present invention relates to: a composite binder for a dry process, the composite binder having a novel structure capable of improving adhesion while including a fluorine-based resin; a dry electrode composition containing the composite binder and thus having excellent electrochemical properties as well as superb adhesion; an electrode including the electrode composition; and a secondary battery including the electrode.