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1190
results.
Updated on
25/10/2026 [07:33:00]
Results 675 to 700 of 1190
Absstract of: US20260321571A1
A control method for a battery electrode roll pressing process, according to an embodiment of the present disclosure, includes obtaining thickness values for an electrode sheet rolled by mill rolls; and controlling a gap between the mill rolls and a side pressure of the mill rolls, based on the thickness values, wherein the controlling uses a first control logic controlling the gap between the mill rolls, based on a first magnitude relationship of the thickness values, with respect to a target thickness value, and uses a second control logic selectively adjusting the side pressure of the mill rolls, according to whether a positive/negative sign of a second magnitude relationship of an one-side region thickness value with respect to a central region thickness value is equal to a positive/negative sign of a third magnitude relationship of an other-side region thickness value with respect to the central region thickness value.
Absstract of: US20260318042A1
A control method of a working machine according to one aspect of the present invention is a control method of the working machine which includes a secondary battery and an electric motor driven by electric power of the secondary battery. This control method includes: activating the electric motor by an activation operation; and regulating the activation of the electric motor without depending on the activation operation when activation conditions are not satisfied. The activation conditions include a first condition related to the state of charge of the secondary battery.
Absstract of: DE102025113901A1
Die vorliegende Erfindung betrifft eine Batterievorrichtung (100) umfassend eine Anschlusseinrichtung (3) zur Durchführung einer Dichtheitsprüfung, wobei die Anschlusseinrichtung (3) als Schnellkupplungseinrichtung ausgebildet ist.
Absstract of: 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.
Absstract of: WO2026216673A1
A method for protecting a battery according to embodiments comprises the steps of: measuring the temperature of a battery cell, including at least one battery cell, multiple times; measuring the voltage of the battery cell multiple times; measuring the current of the battery cell multiple times; calculating average power and an energy change rate during a first period on the basis of a plurality of temperature values, a plurality of voltage values, and a plurality of current values during the first period; calculating the difference between the energy change rate and a reference energy change rate corresponding to the average power; and determining a temperature sensor to be defective on the basis of the difference exceeding a first threshold value.
Absstract of: WO2026213767A1
A lithium-ion battery and an electronic device. The lithium-ion battery comprises an electrolyte and a separator. The electrolyte comprises a lithium salt and an organic solvent, and the mass fraction of the lithium salt is A% on the basis of the total mass of the electrolyte. The separator comprises a base film and a first coating provided on at least one surface of the base film, wherein the thickness of the first coating is H μm, where 0.5≤H≤15, and 0.83≤A/H≤23.3. The first coating comprises inorganic particles and a polymer, wherein the polymer comprises at least one of a modified or unmodified styrene-butadiene rubber, polyacrylate, or polyolefin. By controlling the thickness of the coating of the separator, the mass fraction of the lithium salt, and the proportional relationship between the two, the high-temperature performance of the lithium-ion battery is improved, and the cycling stability and rate capability thereof can also be taken into consideration.
Absstract of: DE102025113900A1
Nachfolgende Ausführungen betreffen ein Verfahren zur Detektion von Polarisationseffekten in einer elektrischen Speichereinheit zum Speichern und Bereitstellen elektrischer Energie, insbesondere in einem Elektrofahrzeug, die folgenden Schritte aufweisend: Erfassen (100) der Kapazität und des Energiedurchsatzes der Speichereinheit mittels mindestens einer Sensoreinheit und Bereitstellen (200) der erfassten Daten; Berechnen (300) des Kapazitätsverlustes pro Energiedurchsatz und der verstrichenen Zeit pro Energiedurchsatz anhand der erfassten Daten mittels einer Auswerteeinheit; Ermitteln (400) lokaler Extremstellen, insbesondere lokaler Minima und Maxima, anhand des berechneten Kapazitätsverlustes pro Energiedurchsatz und der verstrichenen Zeit pro Energiedurchsatz mittels der Auswerteeinheit; Auswerten (500) der Korrelation zwischen Kapazitätsverlust und verstrichener Zeit pro Energiedurchsatz mittels der Auswerteeinheit; Erstellen (600) einer Diagnose und/oder Prognose des Polarisationszustands der Speichereinheit anhand der durchgeführten Auswertung.
Absstract of: US20260316910A1
0000 An underwater apparatus with a detachable battery compartment includes: a battery compartment mechanism; a functional apparatus; a first connecting base fixed on the battery compartment mechanism and electrically connected to the battery compartment mechanism; a second connecting base fixed on the functional apparatus and electrically connected to the functional apparatus; and a locking mechanism, wherein the battery compartment mechanism is detachably provided outside the functional apparatus via the locking mechanism, and the first connecting base and the second connecting base are detachably electrically connected. In the present application, the battery compartment mechanism is independently provided outside the functional apparatus, and when the two are assembled, the physical connection is completed by the locking mechanism, and the electrical connection is completed by the cooperation of the first connecting base and the second connecting base, so that the battery compartment mechanism can stably supply power to the functional apparatus.
Absstract of: WO2026216732A1
According to an example embodiment, a battery module is provided. The battery module comprises: a plurality of battery cells arranged in at least one direction; a module case which accommodates the plurality of battery cells, and in which an upper plate including multiple vent holes is positioned at an upper end; a thermal barrier disposed between the plurality of battery cells and including a metal plate and an insulating material bonded to both side surfaces of the metal plate; and a bursting fireproof sheet positioned between the thermal barrier and the upper plate and blocking the vent holes, wherein the metal plate may extend over the upper plate and may be fixed onto the upper plate. In addition, according to an example embodiment, a battery pack, which includes the battery module and a pack housing accommodating the battery module, is provided.
Absstract of: US20260321850A1
0000 A battery module includes: a battery cell stack including battery cells stacked in a stacking direction between a first end side and a second end side; a module wall including two oppositely arranged side walls extending along the stacking direction with the battery cell stack arranged therebetween and an end wall on the first end side of the battery cell stack and connecting the two side walls to each other; and a first end plate on the second end side of the battery cell stack and opposite the end wall. Each of the side walls is connected to the first end plate by a form-fit sliding connection, and a sliding direction of the form-fit sliding connection is perpendicular to the stacking direction.
Absstract of: KR20260150548A
0001a 파우치형 이차전지 및 이의 제조방법에 관한 것으로, 전극조립체 본체, 및 상기 전극조립체 본체의 적어도 일측에 형성된 한 쌍의 탭 다발을 포함하는 전극조립체; 및 상기 전극조립체를 수납하도록 서로 마주 보면서 위치하는 제1 케이스와 제2 케이스를 구성하는 전지 케이스;를 포함하는 파우치형 이차전지에서, 상기 탭 다발을 통과하도록 상기 전극조립체와 상기 전지 케이스의 길이 방향 및 상기 탭 다발의 두께 방향을 따라 절단할 시, 탭 다발의 단면적은 공간부 전체 단면적의 80%를 초과하는 것을 특징으로 하는 파우치형 이차전지 및 이의 제조방법에 관한 것이다.
Absstract of: WO2026216941A1
The present invention relates to: a carbon nanotube having a high bulk density; a method for manufacturing the carbon nanotube; a carbon nanotube dispersion; an electrode structure comprising the carbon nanotube; and a secondary battery comprising the carbon nanotube.
Absstract of: US20260321803A1
The present disclosure relates to a battery pack, and the technical problem is to prevent thermal runaway from spreading to adjacent battery cells or blocking a vent path and/or a pack vent in the event of thermal runaway in the battery cell. The battery pack according to embodiments includes a housing having a pack vent, a plurality of battery cells accommodated within the housing and arranged side by side such that cell vents thereof are directed in the same direction, a vent path communicating with the pack vent and the cell vent of each of the plurality of battery cells as an empty space between the plurality of battery cells and the housing, and a cooling member including a pipe disposed in contact with the plurality of battery cells and the vent path within the housing and formed of a material that is melted by gas discharged from the cell vent.
Absstract of: US20260321764A1
0000 The present disclosure relates to a battery immersion cooling apparatus and a battery immersion cooling method. A battery immersion cooling apparatus according to an embodiment of the present disclosure includes a module case accommodating a plurality of battery cells and containing an immersion coolant configured to immerse the plurality of battery cells, and a cooling unit disposed on one side of the module case and configured to circulate circulation coolant. The cooling unit includes a circulation coolant inlet and a circulation coolant outlet, and the circulation coolant circulates through a flow path of the cooling unit and exchanges heat with the immersion coolant to indirectly cool the plurality of battery cells.
Absstract of: US20260321704A1
0000 Embodiments of the present disclosure provide an electrode assembly having an ignition suppression function and a secondary battery comprising the same. The structure and components for ignition suppression are provided within an electrode plate so that the performance of a secondary battery and battery module/pack is not affected under normal operating conditions. However, when there is damage to the secondary battery or battery module/pack, an ignition can be suppressed to delay a fire. The performance of a secondary battery and battery module/pack can thereby be improved and safety can be enhanced.
Absstract of: US20260321791A1
0000 A battery immersion cooling apparatus includes a case configured to accommodate an immersion fluid and a battery cell or a battery module immersed in the immersion fluid, a cooling layer arranged at, at least one surface of the case and one or more thermal transfer elements positioned on one side of the cooling layer and configured to exchange heat with the immersion fluid.
Absstract of: US20260317076A1
0000 A conveying apparatus includes: a conveying belt that conveys a battery cell; an inspection unit that inspects an outer peripheral surface of the battery cell positioned at an inspection position; a plurality of rollers that can come into contact with the outer peripheral surface of the battery cell positioned at the inspection position; a support unit that rotatably supports the plurality of rollers disposed about a first rotation axis; a first rotation mechanism that rotates each of the plurality of rollers, thereby rotating the battery cell; and a second rotation mechanism that rotates the support unit together with the plurality of rollers about the first rotation axis in conjunction with the movement of the conveying belt.
Absstract of: WO2026214331A1
A thermal management system and an energy storage apparatus, relating to the technical field of energy storage. The thermal management system comprises a refrigerant substrate, and an evaporator, a plurality of refrigerant valve members and two condensers, which are integrated on the refrigerant substrate, wherein the two condensers and the evaporator are arranged in a first direction on the refrigerant substrate. The thermal management system further comprises a water loop substrate and a plurality of water loop devices integrated on the water loop substrate. Refrigerant devices, such as the evaporator, the plurality of refrigerant valve members and the two condensers, are integrated on the refrigerant substrate, and each of the refrigerant devices is then connected via flow channels of the refrigerant substrate; and the plurality of water loop devices are integrated on the water loop substrate, and each of the water loop devices is connected via flow channels of the water loop substrate. Thus, a large number of connecting pipes can be effectively reduced, lowering the complexity of pipe connection; in addition, the assembly difficulty and space occupation of the plurality of refrigerant devices and water loop devices of the thermal management system can be effectively reduced.
Absstract of: DE102025114199A1
Traktionsbatterie (10) eines Kraftfahrzeugs, mit einem eine Kühlplatte (14) aufweisenden Batteriegehäuse oder Batteriemodulgehäuse (13), wobei die Kühlplatte (14) eine Bodenwand des Batteriegehäuses oder Batteriemodulgehäuses (13) bildet, die einem Unterboden oder Unterfahrschutz (11) des Kraftfahrzeugs zugewandt ist, und mit mehreren im Batteriegehäuse oder Batteriemodulgehäuse (13) aufgenommen Batteriezellen (12). Entgasungsöffnungen (17) der Batteriezellen (12), über welche bei einem thermischen Durchgehen einer Batteriezelle (12) eine Entgasung der jeweiligen Batteriezelle (12) erfolgt, sind der Kühlplatte (14) zugewandt, wobei die Kühlplatte (14) in solchen Abschnitten (14b), die zu den Entgasungsöffnungen (17) der Batteriezellen (12) benachbart sind, einwandig und in anderen Abschnitten (14a) doppelwandig ausgebildet ist, und wobei die Kühlplatte (14) als geschlossene Kühlplatte ausgebildet ist und in den einwandigen Abschnitten (14b), die zu den Entgasungsöffnungen (17) der Batteriezellen (12) benachbart sind, Einkerbungen (18) aufweist, die eine jeweilige Sollbruchstelle bilden, entlang derer die Kühlplatte (14) beim thermischen Durchgehen der jeweiligen Batteriezelle (12) öffnet.
Absstract of: US20260322141A1
0000 A regulated power supply system, an integrated system, and a method are disclosed for providing regulated electrical power to an electrical load from a battery group. In an example, the regulated power supply system includes a buck regulator operable to regulate an unregulated voltage provided at an unregulated high-side interface of the battery group to a regulated voltage at a regulated high-side interface to which an electrical load can be connected. The buck regulator is configured to command a high-side driver to pass electrical energy to an inductor via the unregulated high-side interface during an on phase of a duty cycle during which the inductor is charged. The buck regulator is further configured to discontinue passing the electrical energy to the inductor during an off phase of the duty cycle.
Absstract of: WO2026216945A1
Provided are a plug for blocking an injection port formed in a housing of a battery cell, and a welding structure of the housing. The housing comprises: a first ring unit surrounding the injection port to define the injection port formed through the housing in the axial direction, the first ring unit providing a first outer surface and a first inner surface on axially outer and inner sides, respectively; a second ring unit disposed on the radially outer side of the first ring unit and surrounding the first ring unit, the second ring unit providing a second outer surface disposed axially outward of the first outer surface and a second inner surface disposed axially outward of the first inner surface; and a step connection unit disposed axially between the first ring unit and the second ring unit and connecting the first ring unit and the second ring unit. The plug is stacked to be in contact with the first outer surface in the axial direction, and blocks the injection port, and the edge of the plug is welded to the housing. A first thickness of the first ring unit substantially corresponds to a second thickness of the second ring unit.
Absstract of: WO2026216148A1
In an aqueous battery that is charged and discharged by precipitation and dissolution of zinc in a negative electrode, there is room for improvement in cycle characteristics and stability in charging and discharging. An aqueous battery according to the present disclosure comprises a positive electrode, an aqueous electrolyte solution, and a negative electrode. The aqueous electrolyte solution contains water, potassium polyphosphate dissolved in the water, and zinc phosphate and/or zinc polyphosphate dissolved in the water. The negative electrode contains zinc.
Absstract of: US20260321676A1
0000 An electrode in which an electrode active material layer is coated on at least one surface of a collector having a sheet shape includes: a coated portion that is a portion of the collector, the coated portion being coated with the electrode active material layer; an uncoated portion that is a portion of the collector, the uncoated portion being not coated with the electrode active material layer; and a collector tab joined to the uncoated portion. A slit is provided in the uncoated portion, and the collector tab is joined to the uncoated portion at a position between the coated portion and the slit.
Absstract of: US20260322012A1
0000 A wire-routing module includes: a flat routing member having flexibility and including a trunk portion extending along an extending direction of a battery module, and an excess-length portion connected to the trunk portion via a bent portion; a connector mounted on a connector mounting surface provided in the excess-length portion; and a lower cover and an upper cover assembled to each other with the flat routing member interposed therebetween, the lower cover and the upper cover integrally covering the excess-length portion and the bent portion and suppressing the penetration of condensation generated in the battery module into the connector mounting surface side.
Nº publicación: DE102025114725A1 15/10/2026
Applicant:
AUDI AG [DE]
AUDI Aktiengesellschaft
Absstract of: DE102025114725A1
Die Erfindung betrifft eine Bauteilanordnung (20) mit einer fließfähigen Dichtmasse (26, 28), wobei die Bauteilanordnung (20) ein erstes Bauteil (22, 23) aufweist, das eine erste Fläche (22a) mit einem ersten Dichtbereich (22b) umfasst, und ein zweites Bauteil (24, 25) aufweist, das eine zweite Fläche (24a) mit einem zweiten Dichtbereich (24b) umfasst, wobei der erste Dichtbereich (22b) dem zweiten Dichtbereich (24b) gegenüberliegt, wobei die fließfähige Dichtmasse (26, 28) zwischen dem ersten und zweiten Dichtbereich (22b, 24b) und kontaktierend am ersten und zweiten Dichtbereich (22b, 24b) angeordnet ist. Dabei ist vorgesehen, dass zumindest der erste Dichtbereich (22b) als eine erste Nut (32) in der ersten Fläche (22a) ausgebildet ist, wobei die erste Nut (32) zusammen mit dem zweiten Dichtbereich (24b) eine Dichtkammer (34) bildet, in der die fließfähige Dichtmasse (26, 28) angeordnet ist.
BOPI
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