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1369
resultados
Última actualización
24/10/2026 [08:31:00]
Resultados 650 a 675 de 1369
Resumen de: WO2026216780A1
The present disclosure relates to a negative electrode for a lithium secondary battery and a lithium secondary battery including same. An embodiment provides a negative electrode for a lithium secondary battery, comprising a negative electrode current collector, a lithium host structure disposed on the negative electrode current collector, and a protective layer disposed on the lithium host structure, wherein the protective layer includes a polymer including a functional group having at least one atom of F, O, and N, and an organic linker including at least three hydroxyl groups (- OH) or amine groups (- NH).
Resumen de: WO2026217609A1
The present disclosure is directed to a method for manufacturing a battery pack and a battery pack manufactured by such a method. The method includes using a plurality of welding devices at a plurality of welding stations to weld a plurality of cell weld straps, having varying weld spacing requirements to a plurality of battery cells.
Resumen de: WO2026214207A1
A battery cell, comprising a positive electrode sheet. The positive electrode sheet comprises a current collector and a positive electrode film layer located on the surface of at least one side of the current collector, and the positive electrode film layer comprises a positive electrode active material, wherein the positive electrode active material comprises a single crystal material, and the volume distribution particle size Dv99 of the single crystal material, the thickness L1 of the positive electrode sheet, and the thickness L2 of the positive electrode current collector satisfy the following formula I: Dv99/(L1-L2)≤0.2 (formula I). The battery cell can reduce large burrs on the cross section of the positive electrode sheet, thereby improving the safety performance of the battery cell.
Resumen de: WO2026214356A1
The present application relates to the technical field of energy storage, and provides a thermal management system (4) and an energy storage device (1). The thermal management system (4) comprises two condensers (20), wherein the two condensers (20) are separately in communication with a load, so as to selectively output a coolant to the two condensers (20) by means of the load. A first regulating valve (61) is connected to a branch where one of the condensers (20) is located, and the first regulating valve (61) can be used for regulating the flow rate of a refrigerant outputted by a compressor (11) to the two condensers (20), so that the temperature and pressure of the thermal management system (4) can be dynamically regulated by using the branch, where one of the condensers (20) is located, as a hot gas bypass branch. Moreover, in the present application, two condensers (20) are used, therefore the diameter of the first regulating valve (61) adapted to the condensers (20) can be appropriately reduced, so that when the first regulating valve (61) is used for dynamically regulating the flow rate of the refrigerant outputted by the compressor (11) to the two condensers (20), a wider range of opening degree can be used, thereby effectively regulating the temperature and pressure of the thermal management system (4), and thus avoiding pressure robustness issues of the thermal management system (4).
Resumen de: WO2026216889A1
The present invention relates to: a carbon-based composite having improved structural stability, a low impurity content, and high powder conductivity; and an electrochemical device comprising same. According to an aspect, provided is a composite including a carbon support and carbon nanotubes on the carbon support, wherein the ratio (I2D/IG) of the intensity of the 2D band (I2D) to the intensity of the G band (IG) of the composite as measured by Raman spectroscopy is greater than or equal to 0.5.
Resumen de: WO2026215901A1
The present disclosure provides a method of recovery of graphite, minerals, and metals from spent graphite electrode plates used in manganese mining plants The method includes the steps of thoroughly washing a spent graphite electrode plate with distilled water and digesting the cleaned spent graphite electrode plate in a strong concentrated acid such as HCl, H2SO4, or HNO3 for seven to ten days to convert the oxides present on the graphite electrode surface to salts that precipitates on the graphite electrode surface; then scrubbing the precipitates from the graphite electrode surface, and washing with water into the strong concentrated acid to recover the graphite plate; diluting the salt precipitates solution with distilled water sufficiently and subjecting the diluted salt precipitates solutions to electrochemical separation in an electrocatalytic reactor, wherein the elements are separated based on their unique fingerprint in the electrochemical series.
Resumen de: US20260321580A1
0000 A secondary battery may include a positive electrode and a negative electrode facing each other with a separator interposed therebetween. The negative electrode may include a negative electrode current collector, a negative electrode composite layer disposed on the negative electrode current collector and containing graphite particles and a binder, and a resin layer disposed between a surface of the negative electrode composite layer and the separator. The negative electrode composite layer may include a surface layer in contact with the resin layer and a main layer between the surface layer and the negative electrode current collector. In an XRD profile of the main layer, a degree of orientation, defined as an intensity ratio of a (110) plane to a (002) plane of a graphite crystal, may be 0.03 or greater.
Resumen de: WO2026216900A1
The present disclosure relates to a lithium secondary battery and a preparation method therefor. An embodiment provides a lithium secondary battery comprising: a positive electrode comprising a positive electrode current collector and a positive electrode mixture layer arranged on the positive electrode current collector; a negative electrode comprising a negative electrode current collector; a volume-change absorption layer arranged on the positive electrode or the negative electrode and having a three-dimensional network structure in which a polymer resin is formed in the form of nanofibers; and a gel polymer electrolyte comprising a polymer, an organic solvent, and a Lewis acidic lithium salt, wherein the polymer comprises a main chain consisting of a carbon-carbon-based chain, and has a structure in which a cyano group (-CN)-containing functional group and a hydroxy group (-OH)-containing functional group are bonded to the main chain.
Resumen de: DE102025001205A1
Die Erfindung betrifft ein Verfahren zum Kühlen einer Antriebsbatterie (20) eines elektrisch betreibbaren Fahrzeugs (10), welche Antriebsbatterie (20) eine Mehrzahl von Batteriezellen aufweist, umfassend Kühlen der Antriebsbatterie (20) während eines Ladevorgangs durch Leiten eines Luftstroms aus einer Drucklufteinrichtung (14) des Fahrzeugs (10) über eine Abzweigleitung (16) der Drucklufteinrichtung (14) durch einen Batterieinnenraum (22) der Antriebsbatterie (20).Die Erfindung betrifft ferner ein System (100) zum Kühlen einer Antriebsbatterie (20) eines elektrisch betreibbaren Fahrzeugs (10).
Resumen de: US20260319013A1
0000 Disclosed is a system for diagnosing a battery of a vehicle. The system includes a high voltage battery installed in the vehicle to supply power, a power converter installed in the vehicle to convert direct current (DC) power supplied to the high voltage battery, and a battery diagnostic apparatus connected with the power converter to discharge the high voltage battery and diagnose a state of the high voltage battery.
Resumen de: WO2026216726A1
Disclosed are a negative electrode, a method for manufacturing same, and an all-solid-state battery comprising same, the negative electrode comprising: a current collector comprising a main body part including a first region and a second region and a negative electrode tab extending outward from one end of the first region; and a negative electrode coating layer comprising a first negative electrode coating layer disposed on the first region and a second negative electrode coating layer disposed on the second region, wherein each of the first and second negative electrode coating layers includes a carbon-based material and a metal, and the weight ratio (wt%) of the metal in the first negative electrode coating layer on the basis of the total weight of the first negative electrode coating layer is smaller than the weight ratio (wt%) of the metal in the second negative electrode coating layer on the basis of the total weight of the second negative electrode coating layer.
Resumen de: DE102025114688A1
Die Erfindung betrifft ein Elektrogerät (1), das als Elektrowerkzeug (36) oder als Sauger (37) ausgeführt ist, umfassend einen ersten Elektrogerät-Körper (2) sowie wenigstens zwei Akkumodule (7), die zusammen mit dem Elektrogerät-Körper (2) in eine Kaskadenkonfiguration versetzbar sind, in der ein erstes Akkumodul (7A) an dem Elektrogerät-Körper (2) angebracht ist und ein zweites Akkumodul (7B) an dem ersten Akkumodul (7A) angebracht ist, um den Elektrogerät-Körper (2) unter Mitwirkung des ersten Akkumoduls (7A) und des zweiten Akkumoduls (7B) mit einer elektrischen Spannung zu versorgen, wobei der Elektrogerät-Körper (2) und die wenigstens zwei Akkumodule (7) ausgebildet sind, eine Kommunikation untereinander durchzuführen und jedes Akkumodul (7) ausgebildet ist, auf Basis der Kommunikation einen jeweiligen Akkumodul-Zustand gemäß einer Position des jeweiligen Akkumoduls (7) innerhalb der Kaskadenkonfiguration und/oder gemäß einem für den Elektrogerät-Körper (2) vorgegebenen Spannungswert einzunehmen.
Resumen de: WO2026216153A1
A lithium-ion battery positive electrode active material represented by the composition indicated in formula (1). Formula (1): LiaNibCocMndNbeOf (In formula (1), 1.0 ≤ a ≤ 1.07, 0.88 ≤ b ≤ 0.92, b + c + d + e = 1, 1.8 ≤ f ≤ 2.2, and 0.005 ≤ e/(b + c + d + e) ≤ 0.0072.) This lithium-ion battery positive electrode active material has a crystallite size at a (003) plane of 450-600 Å, a 50% cumulative volume particle size D50 of 5-8 μm, and a particle strength of 100 MPa or greater.
Resumen de: WO2026217816A1
A thermal management system for controlled cooling and/or heating is disclosed. The system comprises a multi-domain heat exchange assembly including a plurality of thermal domains having at least one phase change material (PCM) domain, thermally responsive media domain, or both, a plurality of heat exchanger segments disposed within respective thermal domains, a valve selection manifold configured to selectively route a heat transfer fluid, and a controller configured to actuate the valve selection manifold. The controller operates to selectively couple fewer than all heat exchanger segments at a given time in accordance with activation and recovery intervals, thereby distributing thermal energy across the thermal domains in both space and time.
Resumen de: WO2026213831A1
Embodiments of the present application provide a battery apparatus and an electric device. The battery apparatus comprises: a plurality of battery cells; at least one chip, each chip being connected to at least one battery cell and configured to acquire and process state information of the connected battery cell; and a data transmission assembly, electrically connected to the chip and configured to transmit the acquired state information of the battery cell, wherein a first heating surface of each chip close to a cell surface is thermally connected to the cell surface of the connected at least one battery cell, so as to transfer heat to the at least one cell surface that is thermally connected. In this way, the chip can transfer heat to the cell surface, so as to improve the heat dissipation effect of the chip in the battery apparatus, thereby improving the service life and reliability of the chip, and further improving the reliability and stability of the battery apparatus.
Resumen de: DE102025113973A1
Die Erfindung betrifft ein Verfahren zum Laden eines Energiespeichers (6), aufweisend einen an den Energiespeicher (6) angeschlossenen Zwischenkreis (14) mit einem mehrphasigen Wechselrichter (24) und mit einem Elektromotor (18), wobei der Elektromotor (18) eine Drehfeldwicklung (22) und eine Erregerwicklung (20) als Motorwicklungen aufweist, welche jeweils mit den Phasen des Wechselrichters (24) kontaktiert sind, und eine Ladeeinrichtung (32) zur Kopplung an eine Versorgung (8) und zur Einspeisung von elektrischer Energie in den Energiespeicher (6), wobei die Ladeeinrichtung (32) parallel zu dem Wechselrichter (24) geschaltet ist, wobei ein Versorgungssignal (V) aus der Versorgung (8) in die Ladeeinrichtung (32) eingespeist wird, wobei die Ladeeinrichtung (32) das Versorgungssignal (V) gleichrichtet, und ein Einspeisesignal (E) für den Zwischenkreis (14) erzeugt, welches mit einer elektrischen Welligkeit (W) überlagert ist, und wobei das Einspeisesignal (E) zumindest teilweise mittels des Wechselrichters (24) in eine der Motorwicklungen (20, 22) eingespeist wird, so dass aufgrund der elektromagnetischen Wechselwirkung (EM) zwischen den Motorwicklungen (20, 22) ein phasenverschobenes Dämpfungssignal (D) in der jeweils anderen Motorwicklung (22, 20) erzeugt wird, welches zur Reduzierung der elektrischen Welligkeit (W) mit dem nicht in die Motorwicklung (20, 22) eingespeisten Anteil des Einspeisesignals (E) im Zwischenkreis (14) überlagert wird.
Resumen de: WO2026213641A1
A process for recycling degraded oxide cathode materials is disclosed. The process comprises comminuting degraded oxide cathode material under conditions to provide a substantially homogenised comminuted degraded cathode material. The comminuted degraded cathode material is then combined with stoichiometric amounts of one or more transition metal sources to replenish any transition metals in the mixture to provide a metal loaded comminuted degraded cathode material having a desired composition of transition metal elements. If the transition metal sources used in the preceding step are salts, the loaded comminuted degraded cathode material is sintered under conditions to produce an oxidised metal loaded cathode precursor material. The metal loaded comminuted degraded cathode material and/or the oxidised metal loaded cathode precursor material is then reacted with a stoichiometric amount of a lithium salt under conditions to provide a replenished lithium nickel manganese cobalt oxides cathode material.
Resumen de: DE102025114203A1
Es wird ein Verfahren zur Herstellung einer wiederaufladbaren Batteriezelle (1) und eine solche Batteriezelle (1) angegeben. Hierbei werden eine folienförmige Anode (8) und eine zugeordnete folienförmige Kathode (10) als gegenläufige Elektroden sowie ein Separator (12) zur galvanischen Trennung von Anode (8) und Kathode (10) bereitgestellt. Zwischen dem Separator (12) und einem weiteren Bauelement (10, 12, 18) der Batteriezelle (1) wird ein Elektrolytraum (24) gebildet, in dem zumindest ein Teilbereich der Kathode (10) oder der Anode (8) angeordnet ist. Der Elektrolytraum (24) wird mittels einer eine Dichtung (26) bildenden Dichtungsbahn (28) zwischen dem Separator (12) und dem weiteren Bauelement (10, 12, 18) abgeschlossen, so dass die Anode (8) bzw. die Kathode (10) außerhalb das Elektrolytraums (24) angeordnet ist. Die Dichtung (26) wird dabei aus einem vernetzenden zweikomponentigem Dichtstoff gebildet, indem eine erste Komponente des Dichtstoffs auf den Separator (12) und eine zweite Komponente des Dichtstoffs auf das weitere Bauelement (10, 12, 18) jeweils in Form der Dichtungsbahn (28) aufgebracht werden, die bei Montage der Batteriezelle (1) zusammengeführt werden.
Resumen de: WO2026215148A1
The invention relates to a device (1) for characterising an electrochemical cell, with: - a structure (2) comprising a first strut (21) and a second strut (22) facing each other, - a screw (3) passing through the first strut (21) via a first threaded orifice in said first strut and opening into a first space (E1) defined between the first and second struts, - a bending bar (4) placed along the second strut (22), between the first and second struts, which bending bar is supported at each of its ends by supports (5, 5'), - a location (E2) for holding the electrochemical cell, which location is defined between the end of the screw (3) opening into the first space (E1) and a first contact area (41) of a face (42) of the bending bar (4) facing the first strut (21), - a device (6) for measuring movement, able to measure the deformation under stress of the bending bar (4).
Resumen de: WO2026216835A1
The present invention provides a nonaqueous electrolyte comprising a lithium salt and an organic solvent, wherein the organic solvent includes a linear carbonate-based compound and a compound represented by chemical formula 1, the linear carbonate-based compound includes dimethyl carbonate, and the ratio of the volume percentage of the dimethyl carbonate in the organic solvent to the volume percentage of the compound represented by chemical formula 1 in the organic solvent is 3.5-7.0. Chemical formula 1 In chemical formula 1, R1 is a C1-5 alkyl group, and R2 is fluorine or a C1-3 alkyl group substituted with at least one fluorine.
Resumen de: DE102025114651A1
Die Erfindung betrifft eine Temperiereinrichtung (12) für eine Fahrzeugbatterie (11) eines Kraftfahrzeugs (10), wobei die Temperiereinrichtung (12) um die Fahrzeugbatterie (11) anordenbar ist, derart, dass die Fahrzeugbatterie (11) im Wesentlichen vollständig von der Temperiereinrichtung (12) umgeben ist, und wobei die Temperiereinrichtung (12) eingerichtet ist, zwischen einer ersten Materialschicht (14) und eine zweiten Materialschicht (16) eine Isolierschicht (15) um die Fahrzeugbatterie (11) auszubilden. Zudem betrifft die Erfindung ein Kraftfahrzeug (10) mit einer solchen Temperiereinrichtung (12).
Resumen de: WO2026213750A1
Disclosed in the present invention is a leaching method for a mixed positive electrode material of a spent lithium-ion battery. In the leaching method of the present invention, a low acid is firstly used to selectively leach lithium, nickel, cobalt and manganese in the mixed positive electrode material of a lithium-ion battery, so as to realize the separation of iron and phosphorus from lithium, nickel, cobalt and manganese; then, a high acid is used to strengthen the leaching of the residual iron and lithium, nickel, cobalt and manganese; and finally, iron phosphate is added as a seed crystal, and iron and phosphorus in the leachate are selectively precipitated in the form of iron phosphate under appropriate conditions, so as to realize efficient recovery of lithium, nickel, cobalt and manganese. The process flow is short, the equipment is simple, and the reagent cost is low.
Resumen de: WO2026216692A1
The present invention relates to a cell array assembly inspection apparatus. The cell array assembly inspection apparatus comprises: a sliding module on which a cell array is disposed; a moving module vertically connected to the sliding module so as to move along the sliding module; a 2D image sensor connected to the moving module so as to recognize the cell array disposed on the sliding module in the vertical direction; and a control device for performing assembly inspection on the cell array by using a 3D profiler, a plurality of 2D images captured by the 2D image sensor, and 3D scan data generated by the 3D profiler.
Resumen de: WO2026216491A1
A cylindrical battery (1) comprises an electrode body (10) and an exterior can, and has a structure in which the lower end of a negative electrode (12) is connected to a negative electrode collector plate. The average value of the height differences Z1IN between the upper end position (11c) of a positive electrode mixture layer (11b) and the upper end position (12c) of a negative electrode mixture layer (12b) in five turns on the winding-start side of the electrode body (10) is 1.50 mm or more, is greater than the average value of the height differences Z2OUT between the lower end position (11d) of the positive electrode mixture layer (11b) and the lower end position (12d) of the negative electrode mixture layer (12b) in the five turns on the winding-start side of the electrode body (10), and is greater than the average value of the height differences Z1y in five turns on the winding-termination side of the electrode body (10).
Nº publicación: WO2026216519A1 15/10/2026
Solicitante:
MITSUI KINZOKU CO LIMITED [JP]
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Resumen de: WO2026216519A1
The present invention addresses the problem of providing a solid electrolyte sheet that serves as a material for a solid-state battery in which short-circuiting is unlikely to occur. The solid electrolyte sheet contains solid electrolyte particles. The number of aggregates of the particles observed in the solid electrolyte sheet is 35 or less per 1 mm3. It is preferable that the total area of the solid electrolyte aggregates occupying 1 cm2 be less than 0.02%. It is also preferable that no solid electrolyte aggregate can be observed. It is also preferable that the aggregates of the particles of the solid electrolyte have a volume-cumulative particle diameter D50 of 0.1-20.0 μm at a cumulative volume of 50 vol% as measured through a laser diffraction/scattering particle size distribution measurement method.
BOPI
Sede Electrónica
