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1603
results.
Updated on
10/11/2025 [07:13:00]
Results 1025 to 1050 of 1603
Absstract of: US2025337100A1
A battery module includes a cell assembly including a plurality of battery cells; a module housing accommodating the cell assembly and including a plurality of venting holes; a first barrier disposed on an inner surface of the module housing and including a plurality of first venting portions configured to deform based on pressure inside the module housing; and a second barrier disposed on an outer surface of the module housing and including a plurality of through-holes. At least a portion 10 of gas generated in the cell assembly is configured to be discharged to an outside of the module housing through the plurality of first venting portions, the plurality of venting holes, and the plurality of through-holes.
Absstract of: US2025336953A1
A positive electrode for a rechargeable lithium battery includes a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes first particles that are olivine structured compound, second particles that are layered compound, a first conductive material, and a first binder. The second active material layer includes third particles that are an olivine structured compound, a second conductive material, and a second binder. The first particles are in the form of a single particle, and the third particles are in the form of secondary particles. The first binder and the first conductive material constitute a first functional additive, the second binder and the second conductive material constitute a second functional additive, and a ratio of a weight ratio of the second functional additive in the second active material layer to a weight ratio of the first functional additive in the first active material layer is about 1.0 to about 2.03.
Absstract of: US2025336954A1
A positive electrode for a rechargeable lithium battery includes a current collector, a first active material layer on the current collector, and a second active material layer on the first active material layer. The first active material layer includes a first particles that are olivine structured compounds, second particles that are a layered compound, a first conductive material, and a first binder. The second active material layer includes third particles that are olivine structured compounds, a second conductive material, and a second binder. The first particles are in the form of secondary particles in which a plurality of first primary particles are agglomerated, the first particles have an average diameter (D50) of about 3 μm to about 7 μm, and the second particles have an average diameter (D50) of about μ3 m to about 14 μm.
Absstract of: US2025336951A1
Provided are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and for example, a positive electrode, including a current collector, a first positive electrode active material layer on the current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first positive electrode active material layer includes a first particle including a compound represented by Formula 1 and having an olivine structure, and a second particle including a compound represented by Formula 2 and having a spinel structure, and the second positive electrode active material layer includes a third particle including a compound represented by Formula 3 and having an olivine structure. The first particle is a positive electrode for a rechargeable lithium battery in the form of a secondary particle in which a plurality of primary particles are aggregated.
Absstract of: US2025336983A1
A current collector, comprising a base layer, a first metal layer, and a second metal layer are disclosed. The first metal layer is disposed on at least one surface of the base layer; the second metal layer is disposed on the surface of the first metal layer facing away from the base layer; the first metal layer comprises elemental iron or an iron alloy; the second metal layer comprises at least one of a metal layer formed by any one of copper, tin, lead, molybdenum, chromium and nickel, an elemental metal stack formed by any two or more of the elements, and an alloy layer formed by any two or more of the elements. A preparation method for the current collector, and a secondary battery and an electric device are disclosed.
Absstract of: US2025334639A1
Estimating the state of energy for a particular time, which includes:receiving measurements of a temperature of the cell, of a voltage of the cell, and of a current exchanged by the cell;estimating an internal resistance of the cell;estimating an open circuit voltage of the cell;estimating a total energy delivered by the cell until the particular time;estimating a maximum energy that can be delivered by the cell, assuming that the temperature and the current remain constant; andsubtracting the estimated total delivered energy from the estimated maximum energy.
Absstract of: US2025334497A1
Provided are a method and apparatus for calibrating contact parameters of electrode materials, and a computer storage medium. The method includes the following operations. A discrete element simulation test is performed on an electrode material based on a calibration model and calibration ranges of contact parameters of the electrode material when an axial force-displacement curve of a target pellet of the electrode material meets an adaption condition of the contact model; then a simulated axial pressure-axial strain relationship of the electrode material is acquired based on a target discrete element simulation parameter of the electrode material; whether the contact parameters are calibrated successfully is judged based on this relationship; and when the contact parameters are calibrated successfully, calibration results of the contact parameters are determined.
Absstract of: US2025334454A1
A thermistor holder includes: a base portion disposed to face a restraint member; and thermistor holding bodies. A thermistor holding body includes: an insertion hole formed in the base portion and into which a thermistor is to be inserted; a thermistor housing portion that cylindrically protrudes from a peripheral edge portion of the insertion hole and that is to be inserted into a locking hole of the restraint member; a first locking portion that protrudes from the peripheral edge portion of the insertion hole in each of cutouts and that locks a claw portion inserted into the locking hole to a peripheral edge portion of the locking hole and holds the claw portion to the restraint member; and a pair of second locking portions that protrude from the peripheral edge portion of the insertion hole in a direction opposite to the thermistor housing portion and lock the thermistor.
Absstract of: US2025334015A1
A subsea hydrocarbon Christmas tree having a control and battery module (100) for controlling electrically actuated valves (200) is described. The control and battery module comprises a plurality of subsea electronics modules (110A, 110B) configured for receiving electric power provided from a top-side power supply (300) to operate the valves. The control and battery module also comprises a plurality of battery pack modules (120A, 120B, 120C). At least one of the plurality of battery pack modules (120B, 120C) is connectable to the subsea electronics modules to provide supplement electric power to the subsea electronics modules should electric power required for a desired valve operation exceed electric power provided to the subsea electronics modules from the top-side power supply. A related method is also described.
Absstract of: US2025337251A1
In an embodiment of the techniques presented herein, a system includes a universal serial bus (USB) port, a battery module, and a USB power delivery (USB-PD) controller. The battery module has a configuration memory configured to store battery module configuration data and a voltage sensor configured to generate a battery module voltage measurement. The USB-PD controller is configured to determine a maximum current discharge parameter based on the battery module voltage measurement and the battery module configuration data, determine a power delivery profile based on the maximum current discharge parameter, negotiate a power delivery contract with a device connected to the USB port based on the power delivery profile, and provide power from the battery module to the USB port based on the power delivery contract.
Absstract of: US2025337140A1
This disclosure provides a structure designed to enable maintenance without risk of electric shock and a battery pack, including: a structure body provided with a low-voltage control circuit, a main circuit, and a relay; a maintenance cover installed on the structure body; and a switch connected in series with the low-voltage control circuit. The switch includes a plug and a socket, the plug and the socket are respectively equipped on the structure body and on the maintenance cover. When the plug and the socket are electrically and mechanically connected, the low-voltage control circuit is powered on, and the relay is closed and energized to activate the main circuit. When the plug and socket are electrically or mechanically disconnected, the low-voltage control circuit is cut off, and the relay is open and de-energized to cut off the main circuit.
Absstract of: US2025337134A1
A secondary battery includes: a cylindrical case; an electrode assembly in the case and comprising a first tab protruding in a first direction and a second tab protruding in a second direction opposite to the first direction and connected to the case; a current collector plate in the case and comprising a current collector plate body portion connected to the first tab and a current collector plate liquid injection portion on the current collector plate body portion; a cap plate sealing the case so that the electrode assembly and the current collector plate are isolated from an outside; a rivet terminal including a rivet body portion coupled to the cap plate and a rivet liquid injection portion coupled to the current collector plate liquid injection portion; and a sealing portion sealing the current collector plate liquid injection portion and the rivet liquid injection portion.
Absstract of: US2025337138A1
An internal short-circuit device includes an insulating member including a hole, a short-circuit inducing portion of a first electrode plate of a battery extending through the hole in the insulating member, and an insulating layer disposed between the insulating member and a second electrode plate of the battery. A first surface of the insulating layer is in contact with the short-circuit inducing portion of the first electrode plate, and a second surface of the insulating layer, which is opposite to the first surface, is in contact with the second electrode plate.
Absstract of: US2025337127A1
A battery assembly structure includes: a battery case including an accommodation part configured to accommodate a battery pack; a battery cover including a wall part covering the accommodation part, and an opening part extending through the wall part; a connector disposed on an outer surface side of the wall part; and a bus bar disposed on an inner surface side of the wall part and configured to electrically connect the connector and a terminal disposed in the battery pack. In a case where the battery cover is assembled to the battery case such that the accommodation part is covered by the wall part, the opening part is disposed in a position in which the bus bar and the terminal are visible through the opening part from the outer surface side of the wall part.
Absstract of: US2025337048A1
A traction battery pack immersion thermal management system includes a coolant delivery system that communicates a coolant from an coolant supply to a battery case that houses a cell stack. The coolant delivery system includes at least one inlet port to the battery. The thermal management system additionally includes a coolant return system that communicates the coolant from the battery case back to the coolant supply. The coolant return system including a plurality of outlet ports and a return manifold. The outlet ports each separately fluidly connect the battery case to the return manifold. The return manifold is configured such that coolant received from each of the plurality of outlet ports is mixed within the return manifold prior to reaching the coolant supply.
Absstract of: US2025337041A1
A thermal regulation device for cooling of an energy storage unit, including a first stage and a second stage. The first stage includes a first support plate and a first distribution plate. The thermal regulation device includes at least one additional plate positioned against the first support plate, and delimiting at least one duct for circulation of the cooling fluid. The first stage and the second stage are in fluidic communication via the additional plate and a connection means.
Absstract of: US2025337076A1
A battery case is provided and including a plurality of accommodating portions each accommodating one cylindrical battery cell, the accommodating portions 11 being arranged side by side in one direction, in which each of the accommodating portions has a wall portion defining a space for accommodating the cylindrical battery cell, the wall portion in a state before accommodating the cylindrical battery cell defines an elliptical cylindrical space, a direction in which the accommodating portions are arranged in one direction is defined as a long axis direction of the elliptical cylindrical space, a direction perpendicular to the long axis direction is defined as a short axis direction, and a direction perpendicular to the long axis direction and the short axis direction and parallel to a central axis of the elliptical cylindrical space is defined as a depth direction, and a longest long axis diameter in the long axis direction of the elliptical cylindrical space in each of the accommodating portions 11 is equal to or larger than a diameter of the cylindrical battery cell.
Absstract of: US2025337069A1
A secondary battery pack includes a plurality of secondary batteries; a lower frame configured to support a lower portion of each of the plurality of secondary batteries; a side frame provided in plurality to be spaced apart from each other to vertically extend from the lower frame so as to define a plurality of separation spaces; and an upper frame provided above the side frame to open and close each of the plurality of separation spaces.
Absstract of: US2025337090A1
A pressure relief device for opening a relief opening in a housing, in particular a battery storage housing, said pressure relief device providing a safe mode of functioning and having a simple structure, it is proposed that the pressure relief device has a main body which can be arranged in the relief opening and has a passage which connects an inlet and an outlet through which a medium can flow, a closing element which, if a defined activation pressure is exceeded, can be transferred from a closed position, in which the closing element closes the passage, to an open position in which the closing element releases the passage, and a cover which at least partly covers the closing element and/or passage and performs a setting movement with the closing element in order to release the passage.
Absstract of: US2025336980A1
A solid-state battery that includes: a positive electrode layer; a negative electrode layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, in which the positive electrode layer includes a positive electrode active material having a layered rock salt type structure and an oxide having a garnet type structure, the positive electrode active material contains at least one of Mg or Al, and the oxide having the garnet type structure does not contain Al.
Absstract of: US2025336948A1
A method of preparing a positive electrode active material is disclosed. The method may include performing a co-precipitation reaction including a first step of reacting at a pH range of about pH 11 to about pH 12 and a second step of reacting at a pH lower than the first step for a mixture of a nickel precursor and a metal precursor to obtain a nickel-based composite hydroxide, mixing the nickel-based composite hydroxide, an anhydrous lithium hydroxide, an aluminum raw material, and a zirconium raw material and subjecting to a first heat treatment to produce hollow secondary particles, pulverizing the secondary particles, and adding and mixing the pulverized resultant, a cobalt coating raw material, and a zirconium coating raw material into an aqueous (e.g., water-soluble) solvent, and then performing a second heat treatment to obtain a positive electrode active material.
Absstract of: US2025337005A1
A solid electrolyte includes an oxide solid electrolyte layer, and a sulfide solid electrolyte layer, and the oxide solid electrolyte layer and the sulfide solid electrolyte layer are doped with graphene quantum dots (GQDs).
Absstract of: US2025336222A1
Systems and methods for annotating and tracking objects in a video are described herein. The methods include operating at least one processor to: receive, from at least one image device proximal to the manufacturing device, a sequence of frames of a video showing the plurality of parts within the manufacturing device; receive at least one annotated frame having labelling of a subset of parts of the plurality of parts in a plurality of frames of the video, the annotated frame being video annotation data; apply the video annotation data as input to a propagation algorithm to annotate an additional subset of parts of the plurality of parts within the frames of the video, the additional annotated frames being additional video annotation data; apply a segmentation model to the additional video annotation data to generate image segmentation masks of each of the parts, the image segmentation masks being trained segmentation model output data; and apply an object detection model to the trained segmentation model output tracking data to get a fine-tuned object detection model to detect and track the parts.
Absstract of: US2025337009A1
A polymer electrolyte comprising a polyurethane, a lithium salt, and an anion, wherein the polyurethane has a three-dimensional cross-linked structure and has a cationic structure in a molecule.
Nº publicación: US2025337004A1 30/10/2025
Applicant:
WILDCAT DISCOVERY TECH INC [US]
Wildcat Discovery Technologies, Inc
Absstract of: US2025337004A1
A composite useful for making a solid electrolyte is comprised of an electrolytic inorganic powder (EIP) embedded in matrix comprised of an unsaturated fluoropolymer, an electrolyte salt, and may include a reinforcing polymer. The composite may be formed by dissolving the unsaturated fluoropolymer, salt in a solvent with the EIP forming a slurry that may be dried and a reinforcing polymer added thereto (i.e., in the slurry or after the slurry is dried). The unsaturated fluoropolymer may be formed insitu in the slurry when making the composite.
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