Resumen de: US20260312142A1
0000 An electrode assembly includes a plurality of electrode parts including a first electrode plate, a second electrode plate, and a separator, and a fixing member surrounding the plurality of electrode parts, wherein the plurality of electrode parts have a meandering angle of 0.1° or less, and wherein the meandering angle is an angle at which a lowermost electrode plate and an uppermost electrode plate of the electrode parts are misaligned.
Resumen de: US20260312178A1
0000 An energy storage system includes a battery rack having a plurality of battery packs, an air-conditioner adjacent to the battery rack and configured to discharge air, and a duct connected to the air-conditioner, the duct including a plurality of outlets and a plurality of baffles, the plurality of baffles being arranged in a longitudinal direction of the duct within the duct and being configured to adjust an amount of air supplied to the plurality of outlets.
Resumen de: WO2026208461A1
To solve the problem of insufficient safety in existing batteries, the present invention provides a battery and an electric device. The battery comprises an electrolyte, a positive electrode sheet, and a negative electrode sheet. The electrolyte comprises an additive and a solvent; the additive includes one or more of silane and a derivative thereof, a fluorinated compound, a phosphazene compound, ethyl hexafluorophosphate, propyl pentafluorophosphate, tris(trimethylsilyl)phosphate, trifuryl phosphite, and a boron-containing compound; the solvent includes one or more of a carbonate solvent, an ether solvent, a phosphate ester solvent, a fluorine-containing solvent, and an ionic liquid. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer, wherein the positive electrode active material layer is disposed on at least one surface of the positive electrode current collector. The negative electrode sheet comprises a negative electrode current collector, a negative electrode active material layer, and a first functional layer, wherein the first functional layer comprises an SEI layer and/or a lithium alloy layer.
Resumen de: WO2026210682A1
Provided is a module battery comprising a main electrode bus bar that is advantageous for suppressing any increase over time in contact resistance with an electroconductive member. This module battery comprises: a box body; a plurality of unit cells that are accommodated in the box body and are connected in series and/or in parallel; and a main electrode bus bar that is exposed to the outside of the box body and is electrically connected to the plurality of unit cells. The main electrode bus bar has a first connection part having one or more first bolt holes that enable bolt fastening to an electroconductive member. The first connection part has a first surface region to be brought into contact with the electroconductive member. When the arithmetic average roughness Ra of the first surface region is measured in conformance with JIS B0601:2013, the average value is 1.2 µm or greater and the standard deviation is 0.5 µm or less.
Resumen de: WO2026212323A1
A battery diagnostic device according to an embodiment disclosed herein may comprise: a memory that stores at least one instruction; and at least one processor that executes the at least one instruction, wherein the at least one processor can identify derivative values of the temperature profile of a battery unit being monitored with respect to a capacity profile of the battery unit and diagnose the condition of the battery unit on the basis of capacity values, corresponding to the peaks of the derivative values, within a specified capacity range.
Resumen de: DE102025113508A1
Die vorliegende Offenbarung beschreibt einen Separator für eine Batteriezelle. Der Separator umfasst eine Separatorfolie und eine Beschichtung. Die Beschichtung ist an einer foliennahen Seite an der Separatorfolie angeordnet und erstreckt sich von der foliennahen Seite zu einer folienfernen Seite. Die Beschichtung umfasst eine Strukturierung auf der folienfernen Seite, wobei die Strukturierung mindestens einen Kanal umfasst, der sich von einer ersten Seite der Beschichtung zu einer der ersten Seite gegenüberliegenden zweiten Seite der Beschichtung parallel zu der Separatorfolie erstreckt.
Resumen de: DE102025001162A1
Die Erfindung betrifft eine Dosiereinheit zur Befüllung eines Behälters mit einem Fluid. Aufgabe der Erfindung ist es, eine diesbezügliche technische Lösung zu schaffen, die eine schnelle, präzise und robuste Befüllung ermöglicht und eine hohe Lebensdauer aufweist. Dabei soll vor der Befüllung eine gute Entlüftung der Dosiereinheit realisiert werden und für spezielle Fluide (z.B. Elektrolyt) ein Auskristallisieren von Medium aus dem Fluid verhindert werden. Diese Aufgabe wird gelöst, indem die Dosiereinheit einen Dosierzylinder (1) und einen im Innenraum des Dosierzylinders (1) angeordneten Dosierkolben (3) aufweist, wobei der Dosierkolben (3) eine Vorderseite (V) und eine Rückseite (R) aufweist und im Dosierzylinder (1) axial verlagerbar ist, wobei die Dosiereinheit einen Primärraum (4) aufweist, der wenigstens teilweise vom Dosierzylinder (1) und dem Dosierkolben (3) umschlossen ist, wobei an der den Primärraum (4) begrenzenden Wandung eine Öffnung (2) ausgestaltet ist, die für eine Befüllung mit einem Behälter (8) verbindbar ist und wobei im Primärraum (4) eine Menge eines ersten Fluides aufnehmbar ist, die mit der Vorderseite (V) des Dosierkolbens (3) aus dem Dosierzylinder (1) über die Öffnung (2) in den Behälter (8) überführbar ist. Außerdem wird ein Verfahren zur Befüllung eines Behälters mit einem Fluid, insbesondere unter Verwendung einer derartigen Dosiereinheit vorgeschlagen.
Resumen de: WO2026212906A1
A system and method for adaptively operating batteries in low temperature environments that comprises: obtaining weather forecast data for a location corresponding to at least one photovoltaic cell; determining whether heating is required for the at least one battery pack, wherein the at least one battery pack comprises at least one battery cell; when it is determined that heating is required, determine, at the processor based on the weather forecast data, whether sufficient sunlight is expected at the at least one photovoltaic cell for power generated at the at least one photovoltaic cell to charge at least one battery pack in excess of power expected, to be consumed to heat the at least one battery pack using at least one heater; and when it is determined that sufficient sunlight is expected, initiating a heat strategy for heating the at least one battery pack using the at least one heater.
Resumen de: WO2026207632A1
A solid polymer electrolyte (SPE) is provided. The electrolyte comprises a plurality of ion transport metal cations (M+), a plurality of organic moieties (R), and a plurality of coordination complex centers, wherein each of the coordination complex center comprises and is centered on a metal (M2), and wherein the plurality of organic moieties and the plurality of (M2) centers are crosslinked together to form a 3D thermoset polymer network. The electrolyte can be used in an electrochemical storage device. As such there is provided an electrochemical storage device comprising the electrolyte. Finally, there is also provided a method of manufacturing the electrolyte.
Resumen de: DE102026113007A1
Eine Batteriepackstruktur weist auf ein Batteriemodul, mit einer Vielzahl von Batteriezellen, die parallel aufgereiht in einer festgelegten Richtung angeordnet sind, und einer Endplatte, die auf einer Außenseite in einer Aufreihungsrichtung der Batteriezellen angeordnet ist, ein Untergehäuse, das einen unteren Abschnitt des Batteriemoduls aufnimmt, und eine Modulhalterung, die die Endplatte an dem Untergehäuse derart fixiert, dass ein Spalt zwischen der Endplatte und einer Innenwandfläche des Untergehäuses geschaffen wird, und die auch auf eine Biegestelle weist, die zu der Endplattenseite hin an einem Abschnitt gebogen ist, der der Endplatte zugewandt ist, und sich weiter von der Biegestelle entlang der Endplatte erstreckt, um eine Anlagefläche zu bilden, die der Endplatte zugewandt ist.
Resumen de: WO2026212223A1
Provided are a constructional body for a battery, an assembly thereof, and a method for manufacturing an all-solid-state battery. The method comprises providing a jig comprising a female device and a male device, and providing a laminated assembly comprising an active material layer and a solid-state electrolyte (SSE) layer formed of an SSE composition. The method comprises disposing the laminated assembly over the surface of the female device such that the SSE layer faces the surface of the female device and the active material layer faces the male device. The method comprises providing a cut assembly comprising a cut active material layer and a cut SSE layer by moving the male device and the female device relative to each other along an axis and thus applying a shear force to the laminated assembly so that a part of the laminated assembly is cut.
Resumen de: US20260309790A1
0000 A method for determining a state of charge of each of a plurality of battery sections of a rechargeable energy storage system (RESS) may include determining a first state of charge of a first battery section of the plurality of battery sections. The method further may include discharging a first amount of charge from the first battery section in response to determining the first state of charge of the first battery section. The method further may include determining a second state of charge of the first battery section in response to discharging the first amount of charge from the first battery section. The method further may include determining the state of charge of each of the plurality of battery sections based at least in part on the first state of charge, the first amount of charge, and the second state of charge.
Resumen de: WO2026208127A1
The present application specifically relates to the technical field of batteries. Provided are a battery case and a vehicle. The battery case comprises a battery cell unit, a case frame and several connecting members. The battery cell unit is located in the case frame. The case frame comprises several cross beams disposed in a first direction, longitudinal beams disposed in a second direction, and two side beams disposed in the second direction, the cross beams and the longitudinal beams being pre-arranged on the case frame to form a main body portion. Two ends of each side beam in the second direction are mechanically connected to the main body portion via the connecting members respectively, wherein the first direction and the second direction are arranged perpendicular to each other. In this way, the cross beams and the longitudinal beams are pre-arranged on the case frame to form the main body portion, and then the side beams are fixed to the main body portion by means of mechanical connection via the connecting members, thereby adapting to a more complex high-preload module insertion method. In addition, the amount of welding on the battery case is greatly reduced, the problem of case deformation caused by welding is effectively mitigated, and the overall strength of the battery case is increased.
Resumen de: US20260312246A1
0000 An electrode for a secondary battery may include a substrate including a conductive metal material. The substrate may include coated portions to which an active material is applied at ends of the substrate and an uncoated portion where no active material is applied and the substrate is exposed. An electrode tab is joined to the uncoated portion of the substrate. The electrode tab may include a joined portion joined to the uncoated portion of the substrate, and a protrusion portion protruding from the uncoated portion and comprising a plurality of segmented portions connected to the joined portion.
Resumen de: WO2026207701A1
The present application provides a positive electrode material, an electrochemical device and an electronic device so as to improve the cycling performance and service life of the positive electrode material. The positive electrode material comprises lithium cobalt oxide particles. Each lithium cobalt oxide particle comprises a substrate and a surface layer located on at least a portion of a surface of the substrate, wherein the substrate has a crystal phase belonging to the space group P63mc, and the surface layer has a crystal phase belonging to the space group Fm-3m.
Resumen de: WO2026212445A1
In the present invention, an electrode classified as a process scrap in a battery manufacturing process can be effectively reused by means of cooling treatment.
Resumen de: WO2026210506A1
The present disclosure discloses an assembly including a needle guide, a hub and a needle. The needle guide including a teethed portion. The teethed portion including a base, and at least one elongated member defining a plurality of alternating projections and notches. The projections define a channel. The hub including a lower step, a tab, and a wedge. The lower step is configured to be movably disposed within the channel. The tab is operatively coupled to the alternating projections and notches. The wedge is configured to selectively press the tab. The needle is disposed across a hole of the wedge. The hub is configured to be toggled between a locked state and an unlocked state. In the locked state, the tab is disposed between two adjacently disposed projections and within one notch. In the unlocked state, the tab is disposed at least partially in the channel.
Resumen de: WO2026209640A1
The present disclosure provides a positive electrode active material powder for Li-ion rechargeable batteries, wherein the positive electrode active material powder comprises particles comprising Li, M', and O, wherein M' consists of: Ni in a content x, wherein 40 at% ≤ x < 70 at%, relative to a total amount of M'; Mn in a content y, wherein 25 at% ≤ y ≤ 40 at%, relative to a total amount of M'; Co in a content z, wherein 5 at% ≤ z ≤ 15 at%, relative to a total amount of M'; Ti in a content a, wherein 0 at% < a ≤ 1 at%, relative to a total amount of M'; and D in a content b, wherein 0 at% ≤ b ≤ 4 at%, relative to a total amount of M', wherein D is at least one element selected from the group consisting of Zr, Al, B, Ba, Ca, Cr, F, Fe, Mg, Mo, Si, Sr, Y, V, Zn, and S, wherein x, y, z, a, and b are measured by ICP-OES, wherein x+y+z+a+b is 100 at%, wherein each of the particles consists of at least one primary particle and at most twenty primary particles, and wherein TiXPS/TiICP is 9 or less, preferably 7 or less, more preferably 5 or less, still more preferably 3 or less, wherein TiXPS is a content of Ti measured by XPS in at%, relative to a total amount of M' measured by XPS, and TiICP is a content of Ti measured by ICP-OES in at%, relative to a total amount of M' measured by ICP-OES.
Resumen de: WO2026212814A1
The present disclosure provides a process. In an embodiment, the process includes dissolving high purity boric acid (HPBA) in a polar solvent to form a boric acid solution. The process includes mixing particles of a cathode active material (CAM) into the boric acid solution to form a CAM-boric acid slurry. The process includes removing the polar solvent from the boric acid slurry to form boric acid coated CAM particles (BAC-CAM). The process includes calcinating boric acid coated CAM particles at a temperature from 250°C to 500°C to form a coating layer of high purity borate on each particle of the cathode active material. The present disclosure also provides a composition composed particles of the cathode active material having a coating layer of high purity boric acid on each particle.
Resumen de: WO2026207709A1
The present application provides a positive electrode material, an electrochemical device, and an electronic device, used for improving the cycle performance of the positive electrode material. The positive electrode material comprises lithium cobalt oxide having a P63mc space group, and the lithium cobalt oxide contains La and/or Y; a Raman spectrum of the positive electrode material comprises a first characteristic peak having a peak position within the range of 661±5 cm-1.
Resumen de: WO2026208296A1
Disclosed in the present application are a liquid cooling plate and a battery box. The liquid cooling plate comprises: a flow channel bottom plate, a sealing flat plate, and a support frame. The support frame abuts against the flow channel bottom plate by means of first support structures of first support beams, and the orthographic projections of the first support structures on the sealing flat plate do not overlap the orthographic projection of flow channel grooves on the sealing flat plate. In this way, when the flow channel bottom plate is supported, the portions of the flow channel bottom plate having the flow channel grooves will not abut against the support frame under pressure.
Resumen de: WO2026208409A1
The present disclosure relates to the technical field of batteries. Disclosed are a composite material, a preparation method therefor and the use thereof, and a secondary battery cell. The components of the composite material comprise a polymer matrix, thermally conductive particles and a silane coupling agent. In the present disclosure, the thermally conductive particles are selected and added to the polymer matrix, such that the thermal conductivity of the polymer matrix is increased without impairing the insulating property of the polymer matrix; in addition, the silane coupling agent can improve the compatibility between the thermally conductive particles and the polymer matrix, improve dispersion uniformity, inhibit agglomeration, and reduce interface thermal resistance. In the present disclosure, a cooperative thermal conductivity network can be formed, increasing the thermal conductivity to 0.5-2 W/mK, while ensuring a volume resistivity of > 10 15 Ω·cm.
Resumen de: DE102025112833A1
Die Erfindung betrifft eine verrastbare Gehäuseanordnung (10) für ein Modulsteuergerät (24), mit einem ersten Gehäuse (12) und mit einem Bauteil (24; 26; 28), das ein Grundelement (28b) und eine am Grundelement (28b) angeordnete und vom Grundelement (28b) abstehende Raststruktur (30) umfasst, wobei das erste Gehäuse (12) eine erste Gehäusewand (18) aufweist, die eine mit der Raststruktur (30) verrastbare Rastaufnahme (20) aufweist, wobei die Raststruktur (30) derart ausgestaltet ist, dass das Bauteil (24; 26; 28) in einer ersten Einschubrichtung (E1) durch eine erste Öffnung (14) in das erste Gehäuse (12) bis zu einer bestimmten Endposition (P0) bewegbar ist, und in dieser mit der Rastaufnahme (20) verrastbar ist. Dabei ist die Raststruktur (30) derart ausgestaltet, dass das Bauteil (24; 26; 28) in einer zweiten Einschubrichtung (E2), die der ersten Einschubrichtung (E1) entgegengesetzt ist, durch eine zweite Öffnung (16) in das erste Gehäuse (12) bis zur bestimmten Endposition (P0) bewegbar ist.
Resumen de: WO2026209534A1
The invention relates to an exchangeable rechargeable battery (100) for a working device (10) which is designed for use in a moist environment and/or for high protection against electrostatic discharge, comprising a first housing part (110) and a second housing part (120), wherein the first housing part (110) or the second housing part (120) has an inner region (115) having at least one battery element (130); a seal (140) between the first housing part (110) and the second housing part (120) to permanently water-tightly protect the inner region (115) from an outer region (15); and a detection apparatus (180) for leak testing, wherein the detection apparatus (180) comprises or is connected to a data evaluation apparatus (175) for evaluating sensor data in order to determine the leakiness of the seal (140) and/or damage to at least one housing part.
Nº publicación: WO2026208302A1 08/10/2026
Solicitante:
WUXI LEAD INTELLIGENT EQUIPMENT CO LTD [CN]
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Resumen de: WO2026208302A1
The present application relates to a battery capping device and a battery production apparatus. The battery capping device comprises a pressing head assembly, a jacking assembly, a turntable and a guide assembly, wherein the pressing head assembly comprises a holding member and a first protrusion, the holding member being configured to hold a cap; the jacking assembly comprises a limiting member and a second protrusion, the limiting member being configured to limit a casing; the pressing head assembly and/or the jacking assembly are movably arranged on the turntable in the vertical direction; and the guide assembly comprises a first guide groove and/or a second guide groove, which are respectively configured to drive the first protrusion and the second protrusion to move in the vertical direction. Since the first guide groove and the second guide groove are guide grooves each of a closed-loop structure formed by end-to-end connection, after the cap is fitted onto the casing, the pressing head assembly and the jacking assembly can automatically return to initial positions thereof to prepare for a subsequent capping process, thereby enabling continuous fitting of caps onto casings, and improving capping efficiency.