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1369
results.
Updated on
16/02/2026 [07:08:00]
Results 50 to 75 of 1369
Absstract of: WO2026032919A1
The invention relates to a thermal dissipation device, in particular for a motor vehicle, the device comprising a heat pipe (10) configured for heat exchange between a hot source, comprising an electrical member (14), and a cold source (16), the device further comprising a first thermal interface member (18) having a first heat exchange surface in contact with the heat pipe (10) and a second heat exchange surface intended to come into contact with one of the hot source or cold source for heat exchange between the heat pipe (10) and the hot source or cold source via the first thermal interface member (18), the device being configured to apply an elastic force (F) between the heat pipe (10) and the first thermal interface member (18).
Absstract of: DE102025131588A1
Ein Batteriepack weist eine Speicherbatterie, mehrere Schalter, eine Spannungserfassungsschaltung und eine Diagnoseschaltung auf. Die Speicherbatterie weist mehrere in Reihe geschaltete Batteriezellen auf. Die Schalter entsprechen den jeweiligen Batteriezellen und sind jeweils in einem ersten Parallelpfad einer entsprechenden Batteriezelle vorgesehen. Die Spannungserfassungsschaltung ist so konfiguriert, dass sie die jeweiligen Spannungen über den Schaltern als mehrere Zellspannungen erfasst, die den jeweiligen Batteriezellen entsprechen. Die Diagnoseschaltung ist so konfiguriert, dass sie einen oder mehrere der Schalter in einem vorbestimmten Zeitraum in einen eingeschalteten Zustand versetzt, und so konfiguriert, dass sie einen Diagnoseprozess auf der Grundlage eines Erfassungsergebnisses der Spannungserfassungsschaltung vor dem vorbestimmten Zeitraum und eines Erfassungsergebnisses der Spannungserfassungsschaltung nach dem vorbestimmten Zeitraum durchführt.
Absstract of: WO2026032859A1
The present disclosure provides a positive electrode active material suitable for lithium-ion rechargeable batteries, comprising secondary particles comprising a plurality of primary particles, wherein the positive electrode active material comprises lithium, M', and oxygen, wherein the molar ratio of lithium to M' (Li/M') is in the range of 1.0 to 1.5, wherein M' comprises: - Ni in a content x, wherein 0 ≤ x ≤ 50 mol%, relative to M', - Mn in a content y, wherein 49 ≤ y ≤ 90 mol%, relative to M', - Co in a content z, wherein 0 ≤ z ≤ 40 mol%, relative to M', - S in a content a, wherein 0.2 < a ≤ 5 mol%, relative to M', - D in a content c, wherein 0 ≤ c ≤ 2 mol%, relative to M', wherein D is at least one element selected from the group consisting of Al, B, Ba, Ca, Ce, Cr, Fe, Hf, La, Mg, Mo, Nb, Sr, Ta, Ti, V, W, Y, Zn and Zr; - wherein x, y, z, a, and c are measured by ICP-OES and x+y+z+a+c is 100 mol%; and - wherein concentration of S present between adjacent primary particles is a1 and concentration of S present in primary particles is a2 and wherein a1/a2 > 1.
Absstract of: DE102025116290A1
Ein Verfahren zur Herstellung eines Batteriemoduls gemäß der vorliegenden Erfindung ist ein Verfahren zur Herstellung eines Batteriemoduls, das einen Innenraum und einen in dem Innenraum untergebrachten Elektrodenstapel umfasst. Das Verfahren umfasst das Starten der Einspritzung einer Elektrolytlösung in den Innenraum und das Bestimmen eines Imprägnierungszustands der Elektrolytlösung in dem Elektrodenstapel auf Basis einer relativen Beziehung zwischen Lasten an einer Vielzahl von voneinander beabstandeten Positionen in dem Batteriemodul. Diese Konfiguration ermöglicht es, das Verfahren zur Herstellung des Batteriemoduls bereitzustellen, mit dem der Imprägnierungszustand der Elektrolytlösung in der Elektrode bestimmt werden kann.
Absstract of: DE102024122626A1
Eine Heizungsvorrichtung (20) eines Hochvolt-Energiespeichers (10) eines zumindest teilweise elektrisch angetriebenen Fahrzeugs hat eine elektrische Schwingkreis-Schaltung (22), die mit dem Hochvolt-Energiespeicher (10) zu einem Schwingkreis (21) verbindbar ist, und wenigstens eine erste elektrische Trennvorrichtung (28), die dazu ausgelegt ist, in einem geöffneten Zustand wenigstens eine Hochvolt-Komponente (12) des Fahrzeugs elektrisch vom Hochvolt-Energiespeicher (10) und von der Schwingkreis-Schaltung (22) zu trennen. Die wenigstens eine erste elektrische Trennvorrichtung (28) ist im geöffneten Zustand, wenn die Schwingkreis-Schaltung (22) elektrisch mit dem Hochvolt-Energiespeicher (10) verbunden ist. Außerdem umfasst die Heizungsvorrichtung eine Steuereinheit (30), die dazu ausgelegt ist, die wenigstens eine erste elektrische Trennvorrichtung (28) bei Betrieb der Heizungsvorrichtung (20) in den geöffneten Zustand zu überführen. Zum Betrieb der Heizungsvorrichtung (20) werden die Hochvolt-Komponenten (12) werden elektrisch vom Hochvolt-Energiespeicher (10) getrennt und die Schwingkreis-Schaltung (22) elektrisch mit dem Hochvolt-Energiespeicher (10) verbunden, um den Schwingkreis zu betreiben.
Absstract of: DE102024002555A1
Die Erfindung betrifft ein Kraftfahrzeug, umfassend einen durch Li-Ionen Zellen (16a - 16e) gespeisten elektrischen Antriebsmotor (10) und eine Steuerung (12), die eine Ladeschaltung (14) mit einem Schnelllademodus für die Li-Ionen Zellen (16a - 16e) aufweist, wobei die Li-Ionen Zellen (16a - 16e) in einem Batteriegehäuse (20) angeordnet sind. Gemäß der Erfindung ist in dem Batteriegehäuse (20) ein flüssiges Immersionsmedium (24) angeordnet, welches die Li-Ionen Zellen (16a - 16e) zumindest teilweise umgibt. In Verbindung mit dem Immersionsmedium (24) ist ein Ultraschallgenerator (38a - 38e) angeordnet, welcher mit der elektrischen Steuerung (12) verbunden ist. Das Kraftfahrzeug weist eine Kühleinrichtung (32) für das Immersionsmedium (24) aufweist und die elektrische Steuerung (12) ist ausgebildet ist, den Ultraschallgenerator (38a - 38e) zumindest im Schnellademodus zumindest zeitweise zu aktivieren. Die Erfindung ermöglicht eine schnellere und schonendere Ladung von Li-Ionen Akkus in Kraftfahrzeugen.
Absstract of: WO2026032806A1
The present invention relates to a method for determining a battery state of a vehicle battery, the vehicle battery having a nominal voltage of less than 48 V, and to a method for determining an alternator state of an alternator designed to charge a vehicle battery, the vehicle battery having a nominal voltage of less than 48 V. The invention further relates to a diagnostic device for carrying out said method.
Absstract of: WO2026032646A1
The invention relates to an energy storage device (1) for storing electrical energy for a motor vehicle (14), comprising a plurality of stacked storage cells (3), preferably prismatic storage cells (3). A cell intermediate layer (2) is arranged between each two adjacent storage cells (3). The cell intermediate layer has a spacer (4) and a compression element (5), preferably a compression pad, wherein the spacer (4) has a greater thermal conductivity and a lower compressibility than the compression element (5). The compression element (5) is dimensioned and arranged relative to the spacer (4) in such a way that at least one side (6) of the spacer (4) facing one of the two adjacent storage cells (3) is completely covered by the compression element (5). The invention also relates to a motor vehicle (14) comprising such an energy storage device (1).
Absstract of: WO2026032656A1
The present invention relates to a method for recycling a coating ink for a lithium battery electrode comprising a mixture, in an organic solvent, of a cathode active material based on lithium metal oxides, of a binder and of an electron conductor. The recycling is carried out in particular by leaching in the presence of an aqueous sulfuric acid solution, followed by a step of co-precipitation of the metal sulfates of the cathode active material which are contained in the leachate. The precipitate obtained can subsequently be treated in order to be used as starting material in the refining of battery-grade sulfate salt.
Absstract of: WO2026032604A1
A battery assembly for a traction battery of an electrically powered vehicle has at least one battery cell and a sleeve. The sleeve surrounds the battery cell in the circumferential direction in a substantially closed manner on at least one cross section of the battery cell. The sleeve has inwardly facing projections with which the sleeve can bear against the battery cell in order to keep remaining regions of the sleeve at a defined distance from the battery cell in order to define a flow channel for a fluid.
Absstract of: WO2026032623A1
The present disclosure provides a cathode active material powder suitable for Li-ion secondary batteries, comprising Li, M, and O, wherein M includes: - Ni in a content x, with 85.0 at% ≤ x < 100.0 at% relative to M, - Mn in a content y, with 0.0 at% ≤ y ≤ 5.0 at% relative to M, - Co in a content z, with 0.0 at% ≤ z ≤ 5.0 at% relative to M, - Ce in a content a, with 0.0 at% < a ≤ 3.0 at% relative to M, - Zr in a content b, with 0.0 at% < b ≤ 1.0 at% relative to M, and - D in a content c, with 0.0 at% < c ≤ 1.0 at% relative to M, wherein D is an element different than Ni, Mn, Co, Ce and Zr, the cathode active material powder comprising particle comprising at least one primary particle and at most twenty primary particles.
Absstract of: WO2026032516A1
A fuel cell-based generation system (100, 100', 100") is provided. The fuel cell-based generation system (100, 100', 100") includes a fuel cell subsystem (10) comprising at least one fuel cell (11) coupled to a power terminal (101) which is configurable to connect with a power network; a battery subsystem (20) comprising at least one battery (21) coupled to the power terminal (101) and configured to provide a state of charge (SoC) value of the at least one battery (21), the at least one battery (21) being capable of discharging to the power network and charging from the at least one fuel cell (11); and a controller (60) configured to operate the fuel cell-based generation system (100, 100', 100") by coordinated control of the battery subsystem (20) and the fuel cell subsystem (10) with a power setpoint for the fuel cell subsystem (10), wherein the power setpoint for the fuel cell subsystem (10) is based on a reference power setpoint provided to the fuel cell-based generation system (100, 100', 100").
Absstract of: WO2026032511A1
A fuel cell-based generation system is provided. The fuel cell-based generation system includes a fuel cell subsystem comprising at least one fuel cell coupled to a power terminal which is configurable to connect with a load system; a battery subsystem comprising at least one battery coupled to the power terminal and configured to provide a state of charge (SoC) value of the at least one battery, the at least one battery being capable of discharging to the load system and charging from the at least one fuel cell; and a controller configured to operate the fuel cell-based generation system by coordinated control of the battery subsystem and the fuel cell subsystem, wherein the coordinated control is provided by dynamically adjusting a power setpoint of the at least one fuel cell based on the SoC value of the at least one battery.
Absstract of: US20260045585A1
A current collector includes: a first current collector shell; a second current collector shell, capped with the first current collector shell to form a current collector cavity having a converging opening; a current collector blocker, being inserted to an interior of the current collector cavity and dividing the current collector cavity into a first liquid guiding cavity and a second liquid guiding cavity. Both the first liquid guiding cavity and the second liquid guiding cavity are communicated to the converging opening; the current collector blocker is arranged with a first bearing portion attached to and supporting the first current collector shell and a second bearing portion attached to and supporting the second current collector shell.
Absstract of: US20260045583A1
A battery pack includes a battery cell stack, a frame, a cooling part, an elastic member, and a sealing member. The frame houses the battery cell stack. The cooling part is disposed on the battery cell stack and includes a coolant housing member having an upper plate and a lower plate. The elastic member is disposed in the inner space of the coolant housing member, and the sealing member seals at least one through hole formed in the coolant housing member and is meltable by an increase in the temperature of the battery cell. A coolant is housed inside the elastic member, and the elastic member expands as the coolant is housed.
Absstract of: US20260045643A1
A lead acid battery separator having a first array of ribs extending from a first side of a backweb, and a second array of ribs extending from a second side of the backweb. Both the first array of ribs and the second array of ribs are cross-machine direction (CMD) ribs. In a flooded lead acid (FLA) or valve regulated lead acid (VRLA) battery, the CMD ribs extend in a direction that is parallel to a top and bottom of the battery. The separator helps reduce acid stratification issues, allowing for FLA batteries to be used as auxiliary batteries or enhanced flooded lead acid batteries (EFB), and further improving VRLA performance when used as auxiliary batteries.
Absstract of: US20260045669A1
A device for filling a battery cell with an electrolyte and for subsequently sealing the battery cell is disclosed. The device includes a process chamber that has a receiving opening in which the battery cell is at least partially accommodated, such that a filling opening of the battery cell is arranged in the process chamber. The chamber has an opening suitable for receiving a line for filling the battery cell. The process chamber is gas-tight and liquid-tight with the battery cell and line. The process chamber has a passage through which laser beams can pass to close the filling opening of the battery cell so that the battery cell can be filled with the electrolyte and then sealed. A method of using the device to fill a battery cell with electrolyte is also disclosed.
Absstract of: US20260045658A1
A battery cell, a battery, and a power-consuming apparatus are provided. The battery cell includes a housing, terminal-post bodies, and a terminal-post cover plate. The housing defines an accommodating cavity and includes mounting holes through which the terminal-post bodies extend. Each terminal-post body has an abutting portion positioned outside the housing, and a sink groove at an end opposite the cavity. The sink groove is located closer to the central axis of the mounting hole than the abutting portion. The terminal-post cover plate covers the terminal-post bodies and includes connection portions that engage the terminal-post bodies at the sink grooves. Each connection portion is connected to the part of the terminal-post body located at the sink groove on the cavity side and is spaced from a groove wall near the abutting portion. This structure helps improve assembly reliability and electrical performance.
Absstract of: US20260045649A1
A miniature electrochemical cell has a total volume that is less than 0.5 cc. The anode is a lithium sheet that is swaged onto an inner surface of a casing tube to form an anode lumen. The cathode comprises CFx contacting a rod-shaped current collector and the cathode having a cylindrical shape resides in the anode lumen. The rod-shaped cathode current collector has a cylindrically-shaped outer surface extending along a longitudinal axis. At least one helical groove recessed into the outer surface turns around the longitudinal axis at a constant distance while moving parallel to the axis. The helical groove prevents the CFx from sliding on or delaminating from the rod-shaped current collector. A separator segregates the anode from contacting the cathode, and an electrolyte activates the anode/cathode.
Absstract of: US20260045646A1
A battery module according to the present disclosure may include: a plurality of battery cells; and a cooling bus-bar unit including a conductive portion configured to electrically connect the plurality of battery cells to each other and a cooling portion formed integrally with the conductive portion and disposed between the battery cells so as to absorb heat from the battery cells.
Absstract of: US20260045576A1
A dual cooling source direct expansion liquid cooling system for battery energy storage and a control method. The system includes an air conditioning and refrigeration system, a battery management system and a control system; the battery management system includes a plurality of battery packs and a cold plate provided in correspondence with the battery packs; the battery pack is in direct contact with the cold plate for heat exchange; the cold plate is provided with a heat exchanger tube running through the cold plate and a phase change thermostatic material; the phase change thermostatic material is used to absorb heat from the battery pack and change the liquid refrigerant phase into gaseous refrigerant entering the heat exchanger tube; the heat exchanger tube output end of the cold plate is connected to the air conditioning and refrigeration system via an intermediate system.
Absstract of: US20260045535A1
A method of designing a rechargeable battery includes a numerical value entering operation for entering detailed numerical values for a case, a separator, and an electrode plate, a calculation operation for deriving X and until an equation is satisfied, and a position-setting operation for setting the position of an electrode tab to be located on one side of the electrode plate.
Absstract of: US20260045607A1
A battery cell, a battery, and an electric device are disclosed. The battery cell includes a casing with an opening at one end, an end cover closing the opening, and an electrode assembly at least partially received in the casing. The casing has a wall welded to the end cover to form a connecting portion. The electrode assembly includes positive and negative electrode plates stacked in a direction parallel to the wall thickness, with the casing opening oriented in an intersecting direction. The wall includes a first zone and a second zone arranged along the length of the casing, the first zone being thicker and located between the connecting portion and the second zone. This structure reduces fatigue cracking near the connecting portion caused by expansion of the electrode assembly and thereby improves the service life of the battery cell.
Absstract of: US20260045573A1
A battery recycling system according to the present disclosure includes: a primary crushing device configured to crush a case of a discharged secondary battery to expose an electrode material; an electrolytic solution recovery device configured to heat the secondary battery whose electrode material has been exposed under a reduced-pressure environment to recover an electrolytic solution contained in the electrode material; a secondary crushing device configured to further crush the secondary battery whose electrolytic solution has been recovered; a sorting device configured to sort crushed objects of the secondary battery; and an adjustment device configured to adjust an atmosphere in each of the devices to an N2 atmosphere, and further includes: a plurality of first sensors configured to detect oxygen concentrations in the respective devices; a second sensor; and a control device that causes the second sensor to selectively detect the oxygen concentration in each of the devices.
Nº publicación: US20260045575A1 12/02/2026
Applicant:
MOXION POWER CO [US]
MOXION POWER CO
Absstract of: US20260045575A1
A battery temperature controlling apparatus and system are disclosed. The apparatus and system can include two or more conductor assemblies disposed on at least two different sides of a plurality of battery cells. Each conductor assembly can include an embedded heating element. Through the two or more conductor assemblies, heat may be provided to the plurality of battery cells through two or more sides.
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