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1435
resultados
Última actualización
23/09/2025 [07:27:00]
Resultados 575 a 600 de 1435
Resumen de: EP4617330A1
The ink composition for light-sintering according to one embodiment may be prepared by including a binder that has excellent solubility and thus does not cause agglomeration during slurry preparation. By containing the ink composition for light-sintering, the oxide-based thin film sheet according to one embodiment may be formed, through light-sintering, in such a way that the particles thereof exhibit an appropriate shape, density, connection pattern, and the like, and thus an oxide-based solid electrolyte sheet having excellent durability and ionic conductivity can be prepared without being delaminated from a substrate or such issues. The oxide-based solid electrolyte sheet according to one embodiment is sintered rapidly through light-sintering and is thus prepared in a short period of time without loss of materials, such as lithium, or destruction of a substrate, and can be made thinner and larger without additional processing steps.
Resumen de: GB2639251A
A battery 12 for a vehicle 10 comprises a housing 14 in which a plurality of battery cells 16, which are at least partially filled with electrolyte, and a circuit which conductively connects the battery cells to one another are arranged, and comprising an excitation transmitter 18 which is configured to apply an excitation of a predetermined frequency, wherein a state of the electrolyte is adjustable by the excitation. The state of the electrolyte may be its viscosity and/or an activation energy for intercalation and/or kinetics of Li ions. The excitation from the excitation transmitter may be a sonic wave, ultrasonic wave, and/or mechanical vibration. A method for operating the battery is also disclosed, and is preferably used for charging the battery at a low temperature. The excitation of the electrolyte avoids needing to heat the battery cells for efficient charging. The excitation transmitter may be arranged above and/or below the battery in the vehicle itself (as shown) or may be arranged external to the vehicle at a charging location (figure 2).
Resumen de: CN119923731A
In order to improve the energy density of a secondary battery, minimize the likelihood of fires and explosions, and minimize dendritic crystal formation problems, a secondary battery is provided that includes a cathode material and an anode material, in which the anode material includes an anode structure, the anode structure is a sheet in which a plurality of yarns formed of carbon nanotube (CNT) fibers are woven.
Resumen de: EP4617549A1
Provided are: a heat transfer suppression sheet including an elastic body, said sheet being able to handle swelling of a battery cell caused by normal charging/discharging, and being able to demonstrate elastic performance at the time of thermal runaway; and a battery pack including this heat transfer suppression sheet. The heat transfer suppression sheet (10) includes an elastic body (1) that is in a compressed state at less than 90°C and is released from the compressed state at 90°C or greater. The compressed state of the elastic body (1) is maintained by a binder substance. An insulation material (5) may be layered thereon, and in such a case, the compressed state may be maintained by a heat shrinkable enclosure (20). Furthermore, the elastic body (1) may be configured from a plurality of elastic body fragments (1A).
Resumen de: EP4618220A1
The present disclosure provides an electrolyte solution for a nonaqueous sodium ion battery containing (I) a fluorosulfate, (II) at least one selected from the group consisting of a compound having at least two isocyanate groups, a specific compound represented by the formula (1), a specific compound represented by the formula (2), and a specific compound represented by the formula (5), (III) a sodium salt, and (IV) a nonaqueous solvent, a nonaqueous sodium ion battery having at least a positive electrode, a negative electrode, and the electrolyte solution for a nonaqueous sodium ion battery, and a method for producing a nonaqueous sodium ion battery.
Resumen de: EP4618358A1
A battery monitoring program (P1) is configured to cause at least one processor (1) to set a usage condition (U) of a secondary battery (2) based on a degradation factor (F) of the secondary battery (2). A battery monitoring system (100) to monitor a secondary battery (2) includes a usage condition setting unit (104) configured to set a usage condition (U) of the secondary battery (2) based on a degradation factor (F) of the secondary battery (2).
Resumen de: EP4618361A1
Multiple samples each including e.g., voltage or state of charge values are obtained. Then, at least one analysis is performed, each of the at least one analysis being based on a respective at least one evolution (210, 211) of a respective at least one characteristic (220, 260, 261, 262, 270, 272) of the one or more values. Based on a result of the at least one analysis, at least one indicator associated with a cell imbalance of battery cells of the battery units (141, 142, 143, 145, 146, 147) is determined. For instance, a root cause of the cell imbalance may be determined.
Resumen de: EP4618270A1
The present disclosure refers to a battery module that reduces a propagation of venting products along a battery cell stack included in the battery module. Further, the present disclosure relates to a to a battery system including one or more of said battery modules. Also, the present disclosure relates to a vehicle including at least one of said battery modules and/or at least one of said battery systems.
Resumen de: EP4618174A1
Disclosed is an electrode. The electrode may include a current collector and an electrode layer disposed on at least one surface of the current collector. The electrode layer may include a cutting surface having a concave and convex shape.
Resumen de: EP4618363A1
The invention provides an energy storage unit comprising: a plurality of energy storage sub-units connected in series; and one or more transformers, wherein each of the plurality of energy storage sub-units is also connected together in parallel via the one or more transformers; wherein the one or more transformers comprise a core with a plurality of windings wound around the core.
Resumen de: EP4618113A1
A method for producing a sulfide-based inorganic solid electrolyte material, the method including a step of obtaining a sulfide-based inorganic solid electrolyte material in a vitreous state by mechanically processing a raw material composition of the sulfide-based inorganic solid electrolyte material including lithium sulfide and a phosphorus sulfide composition such that each component is vitrified in a chemical reaction, in which the phosphorus sulfide composition has three or more peaks in a range of 2θ = 22.5° or more and 24.5° or less in an X-ray diffraction analysis spectrum obtained by X-ray diffraction analysis.
Resumen de: EP4618213A1
A secondary battery includes a plurality of positive electrodes provided with a positive electrode current collector and a positive electrode mixture layer including a positive electrode active material, which is disposed on the positive electrode current collector; a plurality of negative electrodes provided with a negative electrode current collector and a negative electrode mixture layer including a negative electrode active material, which is disposed on the negative electrode current collector; and a packaging material that accommodates the positive electrodes and the negative electrodes, the secondary battery has a structure formed by laminating the positive electrodes and the negative electrodes in a thickness direction, and the positive electrode mixture layer includes a fibrous carbon, and in a case of a standard deviation of a temperature rise at temperature measurement points on the packaging material being σ (°C) and a rated capacity of the battery being A (Ah), σ/A is 0.35 (°C/Ah) or less when the secondary battery is discharged from a fully charged state to a discharge cut-off voltage with a current of 5C.
Resumen de: EP4618112A1
The present invention pertains to a sulfide solid electrolyte manufacturing method involving: mixing a raw material containing Li elements, a raw material containing P elements, and a raw material containing S elements, to obtain a raw material mixture; and performing a heat treatment on the raw material mixture. As the raw material containing S elements, Li2Sx (0.05≤x≤0.95) is used. The heat treatment is performed by introducing a gas containing S elements. The cumulative introduction amount Y (mass%) of S elements in the gas containing S elements, with respect to the mass of the raw material mixture, satisfies the relationship Y≥x<2>-6.5x+5.8, with x being in said Li2Sx.
Resumen de: EP4618280A1
A battery pack (10) includes an accommodation body (200), and a battery module (100) accommodated in the accommodation body (200). The battery module (100) defines a left tapped hole (132) and a right tapped hole (134) overlapping at least a portion of the accommodation body (200).
Resumen de: EP4618205A1
The present invention provides a redox flow battery system including: a main cell that performs charge and discharge through supply of a positive electrolyte and a negative electrolyte; a plurality of monitor cells selected from the group consisting of a bipolar monitor cell, a positive monitor cell, and a negative monitor cell; and a controller that controls charge and discharge of the main cell. The controller issues an operation command to an alarm device when a specific condition is satisfied.
Resumen de: EP4618362A1
The invention provides an energy storage unit comprising: a plurality of energy storage sub-units connected in series; and at least one converter connected on a first side to one or more of the plurality of energy storage sub-units and connected on a second side to a bus; wherein the bus extends in a first direction and the plurality of energy storage sub-units are arranged in alternating polarity orientation in a second direction different to the first direction.
Resumen de: EP4618169A1
Die vorliegende Anmeldung betrifft eine Batterie mit einem Elektrodenstapel mit einer Mehrzahl von ersten Elektroden, einer Mehrzahl von zweiten Elektroden sowie einer Mehrzahl von Separatoren, welche abwechselnd in einer Stapelrichtung aufeinandergelegt sind, so dass jeweils mindestens ein Separator zwischen mindestens einer der ersten Elektroden und mindestens einer der zweiten Elektroden angeordnet ist. Ferner umfasst die Batterie ein Gehäuse aus einem nicht leitenden Polymermaterial mit einem Hohlraum, in welchem der Elektrodenstapel angeordnet ist und welcher mit einer Elektrolytlösung befüllt ist. Die Batterie weist ferner mindestens eine erste Durchführung auf, welche an einer Wandung des Gehäuses angeordnet ist und eine erste elektrisch leitfähige Verbindung zwischen dem Hohlraum des Gehäuses sowie einer Aussenseite der Wandung bildet, wobei auf der Aussenseite der Wandung die mindestens eine erste Durchführung ein erstes elektrisch leitfähiges I<ontaktelement aufweist. Die Mehrzahl der ersten Elektroden verfügen jeweils über eine Elektrodenfahne, welche von den jeweiligen ersten Elektroden abstehen. Die Mehrzahl an ersten Elektroden sind derart im Elektrodenstapel angeordnet, dass deren Elektrodenfahnen in Stapelrichtung gesehen übereinander liegen. Alle Elektrodenfahnen der ersten Elektroden sind im Bereich einer Aussenkante der jeweiligen ersten Elektroden in Stapelrichtung in eine erste Richtung in einem ersten Winkel umgebogen, so dass die Elektrod
Resumen de: EP4618360A1
Die Erfindung betrifft ein Entladesystem (2) für Speicherzellen (5) umfassend- ein Steuergerät (6) mit einer Steuereinheit (8)eine Spannungsmesseinheit (10),- eine Stromquelle (12)- eine Entlade-Einheit (14) umfassend wenigstens eine Aufnahme-Einheit (16) für ein Speichermodul (4), und- eine an die Geometrie des Speichermoduls (4) angepasste Kontaktierungsvorrichtung (18),dadurch gekennzeichnet, dasseine Mehrzahl von mechanisch fest miteinander verbundener Speicherzellen das Speichermodul (4) bildendie Kontaktierungsvorrichtung in derart mit dem Speichermodul (4) in Verbindung steht, dass eine elektrische Kontaktierung (20) der Speicherzellen (5) erfolgt, so dass die Speicherzellen (2) in Reihe (22) geschaltet sind und mit der Stromquelle (12) in einem schließbaren Stromkreis (24) angeordnet sind und,die in Reihe (22) geschalteten Speicherzellen (5) jeweils zur Auswertung von Spannungsmessungen in Verbindung (32) zur Spannungsmesseinheit (10) steht- wobei zu den Polen (28) der in der Reihenschaltung (22) befindlichen Speicherzelle (5) jeweils ein Kurzschlussschalter (30) parallel geschaltet ist, der in Steuerverbindung (34) mit dem Steuergerät (6) steht und- der durch ein durch die Steuereinheit (8) des Steuergeräts (6) erzeugtes Steuersignal (36) schaltbar ausgestaltet ist.
Resumen de: EP4618356A1
A battery monitoring program (P1) is configured to cause at least one processor (1) to obtain a malfunction prediction sign of a secondary battery (2), and examine a battery characteristic of the secondary battery (2) on obtaining the malfunction prediction sign of the secondary battery (2). A battery monitoring system (2) to monitor a secondary battery (2) includes an examination unit (104) configured to examine a battery characteristic of the secondary battery (2) based on a malfunction prediction sign of the secondary battery (2) being obtained.
Resumen de: CN120153523A
A thermal runaway barrier for mitigating thermal runaway events within a battery assembly. The thermal runaway barrier consists essentially of at least one thermal insulation layer and at least one polymer layer covering all outer surfaces of the at least one thermal insulation layer such that the at least one thermal insulation layer pad is essentially encapsulated by the at least one polymer layer. Methods of making such thermal runaway barrier articles are also provided.
Resumen de: EP4618267A1
The present disclosure discloses an end cover assembly, an energy storage device and electrical equipment. The end cover assembly includes an end cover provided with an outlet hole penetrating therethrough, an electrode terminal arranged on one side of the end cover, a sealing member including a first sealing portion and a plastic member including a first plastic portion. A projection, on the end cover of the electrode terminal along a thickness direction of the end cover covers the outlet hole, and a first gap surrounding the outlet hole is formed between the electrode terminal and the end cover. The first sealing portion fills one side of the first gap close to the outlet hole. The first plastic portion fills one side of the first gap away from the outlet hole; and a second gap is formed between the first sealing portion and the first plastic portion. The formation of the second gap can effectively isolate the sealing member from the plastic member, thereby preventing mutual pressing and more importantly preventing the sealing member from being burnt and damaged by a high temperature generated by the plastic member that has been just formed, to prolong a service life of the sealing member.
Resumen de: EP4618228A1
A lithium-supplementing material, a preparation method therefor, and application thereof are provided in the present disclosure. The lithium-supplementing material is applied to a cathode plate and a cell. A chemical formula of the lithium-supplementing material is Lix-naAaMyOz, where A is selected from other metal elements except lithium (Li), M is selected from at least one transition metal element, and 1 < x ≤ 8, y > 0, 0 < z < 6, 1 ≤ n ≤ 4, 0 < a ≤ 2. In the present disclosure, lithium atoms that are unable to participate in a lithium-supplementing process are replaced with other metals, so that the high lithium-supplementing efficiency is maintained, the cost of the lithium-supplementing material is significantly reduced, and the quick deintercalation of lithium ions can be achieved.
Resumen de: EP4618257A1
The present disclosure discloses a protective film assembly, applied to an electrode assembly (300) of an energy storage device (1000), and including an insulation sheet (100) for wrapping the electrode assembly (300) , and arranged between a housing of the energy storage device (1000) and the electrode assembly (300). The insulation sheet (100) is integrated, and is provided with a plurality of fold structures (150) , which divide the insulation sheet (100) into a bottom surface covering region (140) clinging to a bottom of the electrode assembly (300), a main surface (110) covering region clinging to a main surface of the electrode assembly (300), and a first side surface (120) covering region and a second side surface (130) covering region clinging to side surfaces of the electrode assembly (300). The first side surface (120) covering region includes a first covering sub-region (121) and a second covering sub-region (122) which can overlap each other; the second side surface (130) covering region includes a third covering sub-region (131) and a fourth covering sub-region (132) which can overlap each other; a maximum sizes of the first covering sub-region (121) and the second covering sub-region (122) in a thickness direction and height direction of the electrode assembly are equal, so that the first covering sub-region (121) and the second covering sub-region (122) have a high matching degree and a large bonding area. The present disclosure further discloses an energy stor
Resumen de: AU2022485534A1
Embodiments provide a battery cell having a cylindrical housing with a first end and a second end opposite the first end, wherein the second end is enclosed. The battery cell also includes an electrode assembly positioned within the housing between the first end and the second end. The electrode assembly includes an anode, a cathode, and one or more separator sheets. The battery cell further includes a conductor configured to electrically couple one of the anode or the cathode to the housing. The conductor includes a first side facing the electrode assembly, a second side opposite the first side and facing the housing, and an embossed portion for improving a welding operation for welding the conductor to the housing.
Nº publicación: EP4615800A2 17/09/2025
Solicitante:
SOLID POWER OPERATING INC [US]
Solid Power Operating, Inc
Resumen de: US2024217831A1
Described herein are methods for forming solid state electrolyte materials using a compound comprising P4Sx. The methods generally include heating the P4Sx in the presence of one or more lithium compounds to create a solid-state electrolyte.
BOPI
Sede Electrónica
