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1724
resultados
Última actualización
23/03/2026 [07:26:00]
Resultados 350 a 375 de 1724
Resumen de: WO2026059408A1
The present disclosure provides a secondary battery and a method for manufacturing same. The secondary battery according to the present disclosure may comprise: an electrode assembly in which a first electrode, a separator, and a second electrode are sequentially stacked; a case including a terminal hole; an electrode terminal including an insertion portion inserted into the terminal hole and a head portion integrally formed with the insertion portion; and an insulating member filling a space between the case and the electrode terminal to insulate the case and the electrode terminal from each other.
Resumen de: WO2026059405A1
A pack housing is provided according to exemplary embodiments of the present invention. The pack housing comprises: a base plate intersecting a first direction; cooling channels, in the base plate, comprising sub-channels and main channels supplying cooling water thereto; and cut-off members inside the sub-channels, wherein each cut-off member comprises a body portion comprising a shape-memory alloy and may lengthen in the first direction when the temperature of the cut-off member rises.
Resumen de: WO2026059375A1
The present disclosure relates to a secondary battery and a battery pack comprising same, and the technical problem is to be solved by providing a secondary battery and a battery pack comprising same, which are capable of preventing damage to adjacent components by means of a venting operation. To this end, the present disclosure provides the secondary battery comprising: an electrode assembly having a winding shaft; a case which accommodates the electrode assembly, and which has a first surface and a second surface opposite each other; a terminal which passes through the first surface and which is connected to the electrode assembly; and a first venting notch recessed toward the inside of the first surface.
Resumen de: WO2026058687A1
A solid electrolyte material according to the present disclosure contains: a halide solid electrolyte that contains Li, M, and X; an amorphous substance; and a binder that contains a liquid component and an inorganic substance. Here, M is at least one element that is selected from the group consisting of a trivalent metal element, a trivalent metalloid element, a tetravalent metal element, and a tetravalent metalloid element, and X is at least one element that is selected from the group consisting of F, Cl, Br, and I. The inorganic substance includes at least one substance that is selected from the group consisting of an oxide, a halide, and a halogenated oxide. A battery 1000 according to the present disclosure comprises a positive electrode 201, a negative electrode 203, and an electrolyte layer 202 that is disposed between the positive electrode 201 and the negative electrode 203, and at least one member that is selected from the group consisting of the positive electrode 201, the negative electrode 203, and the electrolyte layer 202 contains a solid electrolyte material 200 according to the present disclosure.
Resumen de: WO2026058836A1
The present invention provides a battery which is capable of achieving sufficiently high density of energy by increasing the battery voltage (or the output voltage). Provided is a battery which comprises a positive electrode 1, a negative electrode 2, an electrolyte solution 3, and a separator 4. The separator 4 is a microporous film. The electrolyte solution 3 is a nonaqueous electrolyte solution which is composed of a positive electrode electrolyte solution 31 that is in contact with the positive electrode 1 and a negative electrode electrolyte solution 32 that is in contact with the negative electrode 2, the positive electrode electrolyte solution 31 and the negative electrode electrolyte solution 32 being arranged so that the separator 4 is sandwiched therebetween. The positive electrode electrolyte solution 31 and the negative electrode electrolyte solution 32 each contain a metal salt of a metal that is selected from the group consisting of alkali metals and alkaline earth metals, and a solvent that dissolves the metal salt. The activity of ions involved in a charge/discharge reaction in the positive electrode electrolyte solution 31 is higher than the activity of ions involved in a charge/discharge reaction in the negative electrode electrolyte solution 32.
Resumen de: WO2026058533A1
Provided is a slurry (10) in which clumping of a powder (11) can be reduced. The slurry contains a powder of an oxide-based solid electrolyte and a dispersion medium (12). The powder has a lithium ion conductivity of 1×10-6 S/cm or higher, and the lithium ion concentration of the liquid excluding the powder is between 1 ppm and 420 ppm, inclusive. The slurry is used, for example, as an additive for an electrode of an energy storage device in which lithium ions move between electrodes via an electrolytic solution, as an additive for a protective layer that protects an electrode of an energy storage device, as an additive for an electrolyte of a quasi-solid-state battery in which a solid electrolyte and an electrolytic solution are combined, and as a coating agent for a separator of an energy storage device.
Resumen de: WO2026058445A1
The present invention provides a lithium secondary battery that has excellent stability and charge/discharge properties. The present invention relates to a lithium secondary battery including an electrode sheet comprising a current collector that has a resin layer and metal layers formed on both surfaces of the resin layer, and an active material layer that is formed on at least one surface of the current collector, wherein the current collector has creases, and the active material layer has a level difference at the surface of portions corresponding to the creases.
Resumen de: WO2026059342A1
Disclosed is a battery, comprising battery components including an electrode assembly; an inflatable pouch case enclosing the battery components inside, the inflatable pouch case having an inner surface and an outer surface opposite to the inner surface; and at least one electrode lead electrically connected to the electrode assembly and extending through the inflatable pouch case from the inside of the inflatable pouch case to an outside of the inflatable pouch case. The outer surface of the inflatable pouch case is sealingly bonded to a surface of the at least one electrode lead.
Resumen de: WO2026059366A1
The present invention relates to a secondary battery comprising: a cathode including a cathode active material; an electrolyte; and an anode, wherein, in the secondary battery, the capacity change rate with respect to a termination voltage change represented by formula 1 below is 1 (Volt-1) or less. Formula 1 (second capacity - first capacity) / {second capacity X (second termination voltage - first termination voltage)} In formula 1, the second capacity is a discharge capacity measured after charging to a second termination voltage, the first capacity is a discharge capacity measured after charging to a first termination voltage, the second termination voltage is selected in a range of 4.15 V-4.25 V, the first termination voltage is selected in a range of 4.05 V-4.15 V, and the difference between the second termination voltage and the first termination voltage (second termination voltage - first termination voltage) is 0.05 V or more.
Resumen de: WO2026059053A1
According to an embodiment disclosed in the present document, an electronic device may comprise: an equivalent circuit model for describing characteristics of an LFP battery including a plurality of battery stacks; and a processor for simulating the equivalent circuit model, wherein the equivalent circuit model includes a plurality of sub-models which correspond one-to-one to the plurality of battery stacks and are connected in parallel, and the processor sets a parameter value of each of the plurality of sub-models, sets a current source connected to the plurality of sub-models, calculates a terminal current and a terminal voltage of each of the plurality of sub-models, and analyzes the characteristics of the battery on the basis of the terminal voltage of each of the plurality of sub-models.
Resumen de: WO2026059060A1
A battery system according to an embodiment of the present disclosure comprises: a first battery; a second battery connected in parallel with the first battery; a DC-DC converter electrically connected between the first battery and the second battery so as to convert output power of at least one of the first battery and the second battery; a switch connected in parallel with the DC-DC converter so as to be selectively opened or closed; a voltage sensor for measuring voltages of the first battery and the second battery; and a battery management device operatively connected to the switch and the voltage sensor, wherein the battery management device may acquire, from the voltage sensor, a first voltage of the first battery and a second voltage of the second battery, and control the switch on the basis of the first voltage and the second voltage.
Resumen de: WO2026058322A1
This electrode center position identification method is for identifying, after rolling, the center position of an electrode mixture layer of a laminate in which a current collector foil, the electrode mixture layer, and a solid electrolyte layer are laminated in the stated order. At least three reference parts are provided in a region on a surface of the current collector foil where the electrode mixture layer is not formed. A control unit: measures, on the basis of imaged data by an imaging device, the positions of the reference parts and a relative position of the center point of the electrode mixture layer formed on the surface of the current collector foil with respect to the reference parts; after formation of the solid electrolyte layer on the surface, of the electrode mixture layer, opposite from the current collector foil and after the rolling, measures positional change amounts of the reference parts on the basis of imaged data by the imaging device; and identifies the position of the center point of the electrode mixture layer after the rolling by using the positional change amounts.
Resumen de: WO2026056078A1
The present application belongs to the technical field of batteries. Disclosed are a battery module and a vehicle. The battery module comprises: a battery body, a liquid cooling plate, and a plurality of connecting pipes. Since the end of a connecting elbow pipe away from a connecting pipe body is directly fixed onto a first connecting flange, a vertical short pipe arranged on the first connecting flange can be removed, eliminating the need to use a quick-connect fitting. This can significantly reduce the space occupied by the entire connecting pipes in the direction perpendicular to the liquid cooling plate, reduce the distance between the connecting pipes and the liquid cooling plate, and thereby effectively reduce the volume of a battery package.
Resumen de: WO2026056111A1
A pre-lithiated separator, a preparation method therefor, and a use thereof, relating to the technical field of lithium-ion batteries. The pre-lithiated separator comprises a substrate and a sustained-release pre-lithiation agent coating applied to the substrate on a positive electrode side thereof. The sustained-release pre-lithiation agent coating comprises a sustained-release lithium supplementing agent. The sustained-release lithium supplementing agent comprises a lithium supplementing agent and a sustained-release agent coated on an outer layer of the lithium supplementing agent. The preparation method for the pre-lithiated separator comprises: coating a sustained-release lithium supplementing agent on a surface of a separator substrate. Due to the continuous-release characteristics of a buffer, a protective SEI layer and a lithium metal alloy are always formed on a negative electrode, allowing a battery system to maintain a high lithium ion concentration, thereby improving the cycle performance of a battery. In addition, the surface of the separator is coated with the sustained-release lithium supplementing agent. The process is mature, the proportion of an active substance on the surface of the electrode is not reduced, the energy density of the battery is not affected, and the cycle performance can be improved while ensuring that the performance of the battery cell is not reduced.
Resumen de: WO2026056935A1
A separator and a secondary battery. The separator comprises a base film layer, wherein one surface of the base film layer is provided with an inorganic ceramic layer, and the other surface of the base film layer is provided with linear adhesives. The thickness of each linear adhesive is D2, the width is W2, and 1μm≤D2≤5μm and 20μm≤W2≤400μm. When the separator is used in a secondary battery, the cycle performance of the secondary battery can be improved.
Resumen de: WO2026059101A1
A method for inspecting a battery, according to an embodiment of the present invention, relates to a method for inspecting the quality of a battery in a manufacturing process, the method comprising the steps of: acquiring an image capturing at least a portion of the exterior of the battery to preprocess the image; detecting one or more defect candidate regions in the preprocessed image by using one or more detection algorithms; extracting position information of the defect candidate regions and shape feature information of the defect candidate regions; and inputting, into a pre-trained machine learning model, information related to the detection algorithms, the position information of the defect candidate regions, and the shape feature information of the defect candidate regions, to determine whether corresponding defect candidate shapes are defective.
Resumen de: WO2026059103A1
A battery diagnosis apparatus according to one embodiment disclosed in the present document comprises: a memory for storing battery data regarding a battery cell including a plurality of active materials; and at least one processor, wherein the at least one processor is configured to: identify the capacity of the battery cell; identify a reaction ratio of each of the plurality of active materials on the basis of a voltage profile of each of the plurality of active materials; identify the reaction capacity of each of the plurality of active materials after degradation on the basis of the reaction ratio and the capacity of the battery cell; and identify a ratio occupied by each of the plurality of active materials in a positive electrode capacity loss rate on the basis of the reaction capacity and the positive electrode capacity loss rate.
Resumen de: WO2026058772A1
Provided is a data processing method for processing data related to the production and management of a power storage element, wherein: with respect to different production lines in which the same type of raw materials or in-process items are used, different determination criteria for the same type of raw materials or in-process items are stored; it is determined whether a raw material or in-process item for a first production line among the different production lines satisfies a first determination criterion associated with the first production line; it is determined whether the a material or in-process item which has been determined as not satisfying the first determination criterion satisfies a second determination criterion associated with a second production line; and a raw material or in-process item which does not satisfy the first determination criterion but satisfies the second determination criterion is provided as a recovered item for the second production line.
Resumen de: WO2026058747A1
An aqueous electrolyte battery according to the present disclosure comprises: an aqueous electrolyte; a positive electrode mixture layer that contains a positive electrode material and a positive electrode binder; a negative electrode mixture layer that contains a negative electrode material and a negative electrode binder; a collector; and a separator that is disposed between the positive electrode mixture layer and the negative electrode mixture layer. At least one among the positive electrode binder and the negative electrode binder contains a wholly aromatic polyamide.
Resumen de: WO2026056973A1
A separator and a secondary battery. The separator of the present application comprises a base film layer, and a bonding layer and an inorganic ceramic layer are provided on the base film layer; the bonding layer is composed of a plurality of bonding points; in the bonding layer, the average longest diameter of the bonding points is 20-500 μm, and there are 20-150 bonding points in any region on the surface of the bonding layer, the length of a region being 3470 μm, and the width being 2600 μm. The bonding force of the surface of the separator is relatively strong, and the bonding force distribution is relatively uniform. When the separator is used in a secondary battery, the high-temperature cycle performance of the secondary battery can be improved.
Resumen de: WO2026056984A1
The present application relates to the technical field of batteries, and provides a cell, a battery, and an electrical apparatus. The provided cell comprises a casing, a post, and an injection molded member; the casing is provided with a post mounting portion, the post mounting portion is provided with a post mounting hole, at least part of the post passes through the post mounting hole, and there is a gap between a part located in the post mounting hole and the post mounting hole; the injection molded member is disposed around the post and is at least partly located in the gap, so as to connect the post mounting portion and the post; the injection molded member is provided with a glue converging surface, and the position at which a side wall of the post intersects the glue converging surface is a glue converging position; along the circumferential direction of the side wall of the post, the side wall of the post has a planar structure on both sides of the glue converging position; and the included angle between the two planar structures located on both sides of the glue converging position is greater than 120 degrees and less than or equal to 180 degrees. The described solution can solve the problem in the existing technology of low structural strength at the position of a glue converging surface of an injection molded member.
Resumen de: WO2026056838A1
The present application discloses a novel secondary cylindrical battery (1), comprising a cover plate assembly (11), a casing (13), and a roll core (12). The casing (13) is provided with an opening, so as to communicate with an accommodating space therein. The casing comprises a side wall (131) and a casing bottom cover (132), the casing bottom cover (132) comprises a welding region (1322) and an explosion-proof region (1321), the wall thickness of the welding region (1322) is uniform, the welding region (1322) is welded to the roll core (12), and the explosion-proof region (1321) is located at the center of the casing bottom cover (132). In the novel secondary cylindrical battery provided in the present application, the welding region of the casing bottom cover is welded to the roll core, thus the entire casing is charged to transmit current, the contact area is increased, and the heat dissipation area is increased, thereby resolving safety accidents such as a battery catching fire due to insufficient overcurrent area. In addition, the explosion-prevention region is provided at a central region of the casing bottom cover as an explosion-prevention mechanism. When thermal runaway occurs in the battery, the explosion-prevention region bursts and is not prone to blockage, thereby improving the overall safety of the battery, and also reducing battery processing and manufacturing costs.
Resumen de: WO2026058615A1
In this power storage information processing method, a computer executes processing for acquiring measurement data including at least one of the current, voltage, or temperature in a prescribed period of time in a power storage facility that includes a plurality of power storage elements, interpolating missing data by a first scheme when the period of time for which data was missing or the quantity of the missing data in the acquired measurement data is equal to or greater than a predetermined first threshold and less than a second threshold, and interpolating missing data by a second scheme when the period of time for which data was missing or the quantity of the missing data in the acquired measurement data is equal to or greater than the second threshold.
Resumen de: WO2026058642A1
This solid-state battery comprises a positive electrode (20), a negative electrode (30), and a solid electrolyte layer (10) sandwiched between the positive electrode (20) and the negative electrode (30). The negative electrode (30) contains Li or an Li-M alloy. M is one or more elements selected from the group consisting of Si, Sn, Zn, Mg, Ag, and Al. The solid electrolyte layer (10) contains a solid electrolyte containing Li, Zr, SO3, and X. X is one or more elements selected from the group consisting of F, Cl, Br, and I.
Nº publicación: WO2026058641A1 19/03/2026
Solicitante:
TDK CORP [JP]
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Resumen de: WO2026058641A1
This solid-state battery comprises a positive electrode (20), a negative electrode (30), and a solid electrolyte layer (10) sandwiched between the positive electrode (20) and the negative electrode (30). The negative electrode (30) contains an Li-M alloy having a weight ratio of 70 wt% or more. M is one or more elements selected from the group consisting of Si, Sn, Zn, Mg, and Ag. The solid electrolyte layer (10) has a first solid electrolyte layer (11) and a second solid electrolyte layer (12). The first solid electrolyte layer (11) is in contact with the negative electrode (30) and is sandwiched between the negative electrode (30) and the second solid electrolyte layer (12). The first solid electrolyte layer (11) contains Zr and X. The second solid electrolyte layer (12) contains a halide-based solid electrolyte containing Li, Zr, and X. X is one or more halogen elements selected from the group consisting of F, Cl, Br, and I.
BOPI
Sede Electrónica
