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847
results.
Updated on
15/07/2026 [08:03:00]
Results 100 to 125 of 847
Absstract of: US20260196659A1
A battery pack assembly includes a cell stack having battery cells disposed along a cell stack axis and a plate assembly alongside the cell stack. The plate assembly includes a frame that establishes a plurality of vent openings. The plate assembly further includes one or more meltable barriers that melt to permit a flow of vent byproducts through one or more of the vent openings.
Absstract of: WO2026147271A1
The present invention, in order to improve the performance and stability of a secondary battery, may provide an adhesive layer formed between a porous substrate and an electrode, and an adhesive layer composition comprising acrylic resin particles and inorganic particles for forming the adhesive layer, and may provide acrylic resin particles that are prepared from a monomer mixture comprising 50 wt% or more of a C4-C12 cycloalkyl (meth)acrylate and a linear or branched C6-C20 alkyl (meth)acrylate and included in the preparation of the adhesive layer composition as a raw material.
Absstract of: US20260194412A1
A seal inspection method for a battery cell includes a first deformation operation of convexly deforming a battery cell, a depressurization operation of reducing internal pressure of the battery cell, a gas injection operation of injecting gas into the battery cell, and a sealing operation of installing a sealing member in an inlet of the battery cell.
Absstract of: DE102025100348A1
Die Erfindung betrifft eine Kühlplatte (160) für eine Traktionsbatterie (100) zur Kühlung von Batteriezellen (140) der Traktionsbatterie (100), aufweisend:- einen ersten Plattenkörper (161);- einen mit dem ersten Plattenkörper (161) verbundenen zweiten Plattenkörper (162); und- von dem ersten Plattenkörper (161) und dem zweiten Plattenkörper (162) gebildete Kühlmittelkanäle (164).Erfindungsgemäß ist der erste Plattenkörper (161) aus Metall gebildet und der zweite Plattenkörper (162) ist aus Kunststoff gebildet.Die Erfindung betrifft ferner eine Traktionsbatterie 100, die wenigstens eine solche Kühlplatte (160) aufweist.
Absstract of: WO2026148220A1
Set forth herein is a process for recovering metals from battery materials. The process includes a low pH acid leach that is followed by at least two step-wise increases in pH. One step increases the pH to about 5 to about 8 and the other step increases the pH to about 10 to about 13. After each step-wise increase in pH, a variety of materials are filtered and recovered. Lithium sulfate is also recovered from the filtrate at various steps.
Absstract of: US20260194584A1
A depassivation apparatus includes a voltage monitor and control circuit electrically connected to the cathode of the battery via an isolation switch circuit and an input stabilization circuit. The battery voltage is provided as an input to a voltage monitor and control unit which is connected on its output to a grounded capacitor circuit. In response to the voltage of the capacitor circuit falling to predetermined recharge threshold voltage, the voltage monitor and control circuit controls a constant current source that is turned on to charge the capacitor circuit. Once the capacitor circuit is charged up, the constant current source is turned off. The on/off charging of the capacitor circuit drawn from the battery eliminates the depassivation build up on the battery terminals.
Absstract of: US20260193097A1
0000 A precursor of a cathode active material includes secondary particles each including a plurality of primary particles aggregated together. The primary particles include a nickel composite hydroxide. In a pore size distribution (pore volume per unit weight versus pore size) as measured by mercury intrusion porosimetry, the precursor has two or more peaks each having a peak area percentage of 2% or more within a range in which the pore size is up to and including twice the average particle size D50 of the precursor, when the total pore volume in the range is defined as 100%.
Absstract of: WO2026143394A1
Provided in the present application are an electrode assembly, a battery cell, an electric device, and a preparation method for the electrode assembly. The electrode assembly comprises a composite electrode sheet, a first positive current collector, and a first negative current collector. The composite electrode sheet comprises a positive active material film, a separator, and a negative active material film that are stacked. The composite electrode sheet has a continuously folded structure, and comprises a plurality of folded portions, a first connecting portion, and a second connecting portion. The plurality of folded portions are stacked in a first direction, the first connecting portion and the second connecting portion are respectively located at two ends of a folded portion in a second direction, and the first connecting portion and the second connecting portion are each connected to two adjacent folded portions. The first positive current collector and the first negative current collector are respectively disposed on two sides of the composite electrode sheet in the second direction. The first positive current collector is electrically connected to the positive active material film; and the first negative current collector is electrically connected to the negative active material film. The space occupied by the positive current collector and the negative current collector can be reduced, so as to achieve a higher energy density of the battery cell.
Absstract of: WO2026147072A1
According to exemplary embodiments of the present invention, a battery pack is provided. The battery pack comprises: a battery module that accommodates a plurality of battery cells and has vent holes in an upper portion; a pack housing that encloses the battery module and includes a plurality of venting devices for discharging gas emitted from the vent holes; an upper channel plate that is disposed on the upper portion of the battery module and is provided with a plurality of through-portions so that the gas discharged from the vent holes flows into the pack housing; and a baffle structure that prevents the gas introduced into the pack housing through the through-portions from flowing to the plurality of venting devices.
Absstract of: WO2026143279A1
A system including a plurality of electrochemical cells and a sensor system for the same. The sensor system may utilize a multiplexer with isolation circuitry.
Absstract of: WO2026144445A1
A secondary battery and an electric device, relating to the technical field of secondary batteries. In a secondary battery based on a lithium-containing phosphate system, while the moisture content of a positive electrode sheet obtained by disassembly is controlled within a range of 50 ppm to 350 ppm, a specific cyclic sulfate ester compound is added as an additive to a non-aqueous electrolyte of the secondary battery, and the additive can form an SEI comprising both organic and inorganic components on a negative electrode. The organic SEI has good acid resistance, and can resist the corrosion caused by acid generated when water from the positive electrode sheet enters the non-aqueous electrolyte, so that the secondary battery has good high-temperature cycle performance. In addition, the inorganic SEI has good ionic conductivity, and can maintain the rate capability of the secondary battery at a good level.
Absstract of: WO2026144382A1
A secondary battery cell, a secondary battery, and an electric device. 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, which is provided on at least one surface of the negative electrode current collector, wherein the negative electrode film layer comprises a negative electrode active material and a binder, with the negative electrode active material comprising a silicon-containing material, and the binder comprising a styrene-acrylic polymer. Based on the total mass of the negative electrode film layer, the mass fraction w1 of the binder satisfies: 3%≤w1≤10%, and the porosity p of the negative electrode sheet satisfies: 25%≤p≤50%.
Absstract of: WO2026147569A1
A battery module assembly may include a module chassis. The module chassis may include a first end plate, a second end plate, and a plurality of panels arranged in parallel to one another. First ends of the plurality of panels may be connected to the first end plate. Second ends of the plurality of panels may be connected to the second end plate. The module chassis may be adapted to hold a plurality of battery cells between the first end plate, the second end plate, and the plurality of panels. The battery module assembly may include an electronic component (e.g., DC/DC converter) abutted against the module chassis. The module chassis may be adapted to dissipate heat generated by the electronic component through the plurality of battery cells.
Absstract of: WO2026147797A1
A thermal runaway (TR) propagation mitigation system includes a plurality of battery modules, and an onboard recirculation system coupled to the plurality of battery modules. The onboard recirculation system includes a primary valve for transitioning the onboard recirculation system between a closed loop configuration and an open loop configuration, a cooling fluid container storing cooling fluid provided to the TR propagation mitigation system when the onboard recirculation system is in the closed loop configuration, and a pump for flowing the cooling fluid through the TR propagation mitigation system when the onboard recirculation system is in the closed loop configuration. A method of cooling a plurality of battery modules includes transitioning a primary valve between an open configuration and a closed configuration, distributing cooling fluid through a common fluid line to the plurality of battery modules in a battery pack when the primary valve is in the closed configuration.
Absstract of: WO2026144300A1
Provided are a battery cell (6), a battery device (2), and an electric apparatus. The battery cell (6) comprises an electrode assembly (10) and a casing (21); the casing (21) has an opening (21a) on one side in a first direction (X), and the casing (21) comprises a first wall portion (211) arranged oppositely to the opening (21a), two second wall portions (212) oppositely arranged in a second direction (Y), and two third wall portions (213) oppositely arranged in a third direction (Z), and the first direction (X), the second direction (Y), and the third direction (Z) intersect in pairs; the first wall portion (211), the second wall portions (212), and the third wall portions (213) define an accommodating cavity (21b); the electrode assembly (10) is arranged in the accommodating cavity (21b); at least one of the first wall portion (211) and the two second wall portions (212) is bent and connected to the third wall portions (213); the first wall portion (211) comprises two first sub-wall portions (2111) arranged in the third direction (Z), and the two first sub-wall portions (2111) are welded together; each second wall portion (212) comprises two second sub-wall portions (2121) arranged in the third direction, and the two second sub-wall portions (2121) of the same second wall portion (212) are welded together. The present application can reduce the number of fillet welds of the casing (21), thereby being conducive to improving production efficiency and production yield.
Absstract of: WO2026144508A1
The present application is applicable to the technical field of batteries, and provides a battery cell, a battery device, and an electric device. The battery cell comprises a casing, an electrode assembly, an electrode terminal, and an adapter structure; the casing has a cavity; the casing comprises a first wall; the electrode terminal is provided with a base plate, a spacing space is formed between at least one peripheral wall arranged at an included angle with a second direction in the base plate and an inner wall of the casing, and the size of the spacing space in the second direction is greater than the size of a tab in the second direction; the adapter structure is located in the cavity, and the adapter structure comprises a first portion, a second portion, and a third portion which are sequentially connected in the length direction of the first wall, wherein the third portion and the first portion are arranged in offset positions in a first direction and are connected by means of the second portion; the projections of the third portion and the first portion on the casing in the second direction have an overlapping region. The battery cell, the battery device, and the electric device provided by the present application can reduce the difficulty in manufacturing an electrode assembly.
Absstract of: US20260193098A1
0000 A method for manufacturing positive electrode particles having ceramic particles and a glass phase continuous layer using precursors includes the steps of: mixing a nickel source, a manganese source, a cobalt source and a first dispersant to form a nickel-cobalt-manganese mixed slurry; then performing a drying and a sintering on the nickel-cobalt-manganese mixed slurry to obtain a nickel-cobalt-manganese precursor; then mixing a lithium source, a glassy conductor precursor, a LLZO precursor and a second dispersant to form a first precursor slurry; then mixing the nickel-cobalt-manganese precursor and a third dispersant to form a second precursor slurry and mixing the second precursor slurry with the first precursor slurry to form a third precursor slurry; then drying the third precursor slurry to obtain a precursor powder; and then performing a sintering on the precursor powder to obtain the positive electrode particles coated with LLZO particles and a glass phase layer.
Absstract of: US20260193102A1
0000 A method for manufacturing positive electrode particles coated with a glass phase continuous layer using a wet mixing and a single-stage sintering includes the steps of: mixing a lithium source, a glassy conductor precursor and a dispersant to form a first precursor slurry using a mixer; then mixing a nickel-cobalt-manganese hydroxide precursor and the first precursor slurry to form a second precursor slurry; then drying the second precursor slurry to obtain a precursor powder; then placing the precursor powder into a sintering furnace and performing an oxygen assisted sintering to obtain a sintered powder formed by a plurality of positive electrode particles. Each of the positive electrode particles includes a NCM particle coated with a glass phase layer.
Absstract of: US20260196648A1
0000 The present disclosure relates to a secondary battery and a battery pack including the the secondary battery. The present disclosure provides a secondary battery including a case forming an opening, an electrode assembly disposed within the case and including an electrode tab, a cap plate disposed in the opening, and a safety vent disposed between the cap plate and the electrode assembly, the safety vent connected to the electrode tab.
Absstract of: WO2026145364A1
Provided in the present application are a battery protection board, a battery and an electric device. The battery protection board comprises a control circuit board and a power circuit board, wherein the control circuit board is electrically connected to the power circuit board. The control circuit board and the power circuit board can be designed in a split form, and the control circuit board and the power circuit board can realize different routing designs, so that the size of the control circuit board and the size of the power circuit board can be respectively reduced, thereby improving the energy density and charging speed of a battery.
Absstract of: WO2026143351A1
Provided are a secondary battery and an electronic device. The secondary battery comprises a positive electrode and an electrolyte. The electrolyte comprises a component A, lithium bis(fluorosulfonyl)imide, and a compound of formula I. The positive electrode comprises a positive electrode current collector and a positive electrode active material layer located on at least one surface of the positive electrode current collector; the positive electrode active material layer comprises a positive electrode active material; the positive electrode active material comprises a manganese element; and on the basis of the mass of the positive electrode active material layer, the mass content of the manganese element is x%, wherein 20≤x≤60. During the charging and discharging process of the secondary battery, the manganese element of the positive electrode is not easily dissolved. The secondary battery has good storage performance and cycle performance.
Absstract of: WO2026143802A1
Disclosed in the present application is a button cell, comprising: a positive electrode housing, the positive electrode housing comprising a support portion and a corner portion connected to the outer side of the support portion, wherein the corner portion comprises a first bend section having a first radius of curvature R1 and a second bend section having a second radius of curvature R2, and the second bend section is connected between the support portion and the first bend section; a negative electrode housing, which comprises a covering portion and a curved snap-fitting portion having a third radius of curvature R3, the covering portion and the support portion being arranged opposite each other; and a sealing sleeve, which is sandwiched between the corner portion and the curved snap-fitting portion so as to achieve sealing between the positive electrode housing and the negative electrode housing.
Absstract of: US20260196668A1
The present disclosure relates to a separator, a method for manufacturing the same, and an electrode assembly including the same. The separator according to one aspect comprises: a substrate; and a coating layer formed on at least one surface of the substrate, wherein the coating layer comprises an inorganic material and a first binder, a glass transition temperature of the first binder is 100° C. or less, and the following Equation 1 can be satisfied:1.2≤DB1/TC≤2.Equation1In Equation 1, DB1 is a particle diameter (D50) at a volume fraction of 50% in a cumulative particle size distribution of the first binder, and TC is a thickness of the coating layer.
Absstract of: US20260196632A1
An apparatus may comprise (1) a battery pack dimensioned for installation in a device, (2) a set of electrical contacts coupled to the battery pack, and (3) a plate that is (A) coupled to the battery pack and (B) equipped with one or more alignment features dimensioned to facilitate aligning the set of electrical contacts with a counterpart set of electrical contacts incorporated in the device. Various other apparatuses, devices, systems, and methods are also disclosed.
Nº publicación: WO2026147570A1 09/07/2026
Applicant:
WISK AERO LLC [US]
WISK AERO LLC
Absstract of: WO2026147570A1
A module chassis assembly may be adapted to hold battery cells between a first end plate, a second end plate, and a plurality of panels. The first end plate may be formed to include a first plurality of channels adapted to allow fluid to pass therethrough. The second end plate may be formed to include a second plurality of channels adapted to allow fluid to pass therethrough. Each panel may be formed to include a plurality of channels adapted to allow fluid to pass therethrough. The plurality of panels may be arranged in parallel to one another. First ends of the plurality of panels may be connected to the first end plate, and second ends of the plurality of panels may be connected to the second end plate so that the plurality of channels are fluidically connected to the first plurality of channels and the second plurality of channels.
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