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746
results.
Updated on
21/08/2026 [07:19:00]
Results 525 to 550 of 746
Absstract of: US20260235684A1
0000 A battery diagnosis apparatus includes an information obtaining unit configured to receive an output signal from each of a plurality of battery cells of a battery pack to which an alternating-current input signal is applied and a controller configured to compare the output signal with a reference signal to determine whether correction is required, generate a corrected signal by correcting the output signal when correction is required, and determine a state of each of the plurality of battery cells based on characteristics of the corrected signal.
Absstract of: WO2026166246A1
Provided in the present application are a hard carbon material, and a preparation method therefor and the use thereof. In the Raman spectrum of the hard carbon material, the ratio of the peak intensity at the wavelength of 1345 cm-1 to the peak intensity at the wavelength of 1600 cm-1 is 0.9-1.3; and the powder impedance of the hard carbon material under the pressure of 16-20 MPa is 0.02-0.07 Ω·cm. The present application contributes to improving the reversible specific capacity, initial Coulombic efficiency and rate capability of a battery.
Absstract of: US20260237749A1
0000 A cylindrical battery comprises an electrode body. A positive electrode constituting the electrode body includes an elongated positive electrode core body, and a positive electrode mixture layer disposed on the positive electrode core body. A plurality of exposed portions where the surface of the positive electrode core body is exposed are provided on the width-direction end of the positive electrode in the length direction of the positive electrode. The plurality of exposed portions include a first exposed portion group having, counting from the inner peripheral side of the electrode body, first to third exposed portions, and a second exposed portion group having fourth and greater exposed portions, and an average value (L1) of the length of the exposed portions constituting the first exposed portion group is less than an average value (L2) of the length of the exposed portions constituting the second exposed portion group.
Absstract of: US20260237713A1
The invention relates to a transport unit (100, 100′, 120) for supplying a battery material (102, 102′, 122) for battery manufacturing, comprising a fluid-tight closable housing (104, 124), an interior chamber (106, 134) configured within the housing (104, 124) for arranging the battery material (102, 102′, 122), a handling interface (108, 136) for loading and unloading the interior chamber (106, 134) with battery material (102, 102′, 122), wherein the handling interface (108, 136) is arranged and configured to couple the transport unit (100, 100′, 120) to a production unit configured for battery production in such a way that a battery material (102, 102′, 122) arranged within the interior chamber (106, 134) can be removed independently of an atmosphere surrounding the transport unit (100, 100′, 120) in order to supply it to the production unit.
Absstract of: US20260237876A1
0000 A battery, a battery management system, and an electric apparatus. The battery includes: a box; a liquid leakage detection member, where the liquid leakage detection member is disposed in the box to detect liquid in the box, and the liquid leakage detection member is adapted to be communicatively connected to a control apparatus to enable the control apparatus to control an alarm apparatus to work; and a liquid discharge member, where the liquid discharge member is disposed in the box, and the liquid discharge member is fixed to a box bottom wall of the box.
Absstract of: US20260237686A1
A secondary battery includes an electrode assembly and a tab. The electrode assembly includes a negative electrode plate. The negative electrode plate includes a negative current collector and a negative active layer disposed on at least one surface of the negative current collector. The negative current collector includes a first edge and a second edge opposite to each other in a first direction. The tab extends out of the electrode assembly through the first edge along the first direction. The negative active layer includes a first edge region provided with a plurality of first strip-shaped grooves. The first edge region covers the first edge and extends toward the second edge. In the first direction, the first edge region includes a first end portion located at the first edge and a second end portion opposite to the first end portion.
Absstract of: US20260237835A1
0000 A battery pack according to an embodiment of the present disclosure may include a cell array including a plurality of battery cells and a pack case accommodating the cell array, wherein the pack case may include a venting device configured to discharge gas generated from the cell array to the outside of the pack case and a rib provided below the cell array to guide the gas to the venting device.
Absstract of: US20260234766A1
A steel sheet of the present disclosure has a chemical composition containing, in mass %, C: 0.040 to 0.070%, Si: more than 0 to 0.10%, Mn: 0.20 to 0.40%, P: more than 0 to 0.030%, S: more than 0 to 0.030%, sol. Al: 0.005 to 0.100%, N: more than 0% to 0.0150%, and B: 0.0001 to 0.0030%. In the steel sheet, ferrite is the main phase, a grain size number is 11.0 or more, a sheet thickness is 0.15 to 1.00 mm, and at room temperature, the yield strength is 220 to 500 MPa, the tensile strength is 330 to 550 MPa, and the total elongation is 20.0% or more. An aging index AI is 50.0 MPa or more. A ratio of the tensile strength at 300° C. to the tensile strength at room temperature is 0.90 or more.
Absstract of: WO2026166092A1
The present application relates to the technical field of battery testing, and provides a battery anomaly detection method, a device, a storage medium, and a program product. The method comprises: acquiring a battery parameter of a battery under test during charging/discharging; performing outlier detection on the basis of the battery parameter to determine whether there is a cell module that has an outlier parameter in said battery; and if there is a cell module that has an outlier parameter, determining the cell module having the outlier parameter as an anomalous cell module. In embodiments of the present application, outlier detection is performed on the basis of the battery parameter, so that by means of balance determination, it is found that there is an anomalous cell module in said battery, thereby improving the accuracy of battery anomaly detection.
Absstract of: US20260238028A1
A charging case includes an upper housing, a lower housing, an opening and closing mechanism, and a circuit board. The circuit board is located in the lower housing. The opening and closing mechanism connects the upper housing to the lower housing, and enables the upper housing to be opened or closed relative to the lower housing. A metal portion of the upper housing is electrically connected to the opening and closing mechanism, and the opening and closing mechanism is electrically connected to the circuit board, to ground the metal portion. The metal portion of the upper housing is electrically connected to the circuit board in the lower housing through the opening and closing mechanism.
Absstract of: US20260237838A1
A battery pack accommodating a cell assembly including a pack case in which a cell assembly is seated, and an upper case coupled to the pack case to cover an upper part of a cell assembly seated inside the pack case, where the upper case includes an elastic member at the lower end that presses against the upper part of the cell assembly seated in the pack case is provided.
Absstract of: US20260237665A1
A negative electrode includes: a negative electrode current collector, and a negative electrode active layer including a negative electrode active material provided on at least one side of the negative electrode current collector. The negative electrode active material includes a carbon-based negative electrode active material and a silicon-based negative electrode active material. The silicon-based negative electrode active material is included in an amount of from 0.1 wt. % to 10 wt. % based on an overall weight of the negative electrode active material. The negative electrode active layer has an orientation index (O.I) in a range from 5 to 15 according to a following Equation 1: O.I=I004/I110. A method for manufacturing the negative electrode, and a lithium secondary battery including the negative electrode.
Absstract of: US20260237761A1
0000 A battery pack includes a battery pack housing, a plurality of energy storage devices of a plurality of different types located in the battery pack housing, and a battery management system (BMS) unit electrically coupled to the plurality of energy storage devices and configured to manage an operation of the plurality of energy storage devices.
Absstract of: US20260237771A1
0000 An electrode plate, which is an example of an embodiment of the present invention, has a core body and a mixture layer formed on the core body, and is provided with an exposed part where the surface of the core body is exposed. The electrode plate has a lead joined to the exposed part, and an identification display part formed on the outer surface of the lead. The identification display part includes at least one of a discolored part and a recess formed on the outer surface of the lead by a melting and solidifying part that penetrates the lead in the thickness direction and reaches the exposed part and joins the lead and the exposed part.
Absstract of: US20260237674A1
A positive composite for an energy storage device according to an aspect of the present invention includes a positive active material and a conductive auxiliary agent, in which the conductive auxiliary agent includes a carbon nanotube, and, in a Log differential pore volume distribution, a ratio B/A of a maximum value B cm3/g of a differential pore volume within a pore size range of 100 nm or more and 3000 nm or less to a maximum value A cm3/g of a differential pore volume within a pore size range of 10 nm or more and 100 nm or less is 4.50 or more.
Absstract of: US20260237673A1
A positive electrode for an energy storage device according to an aspect of the present invention includes: a positive electrode active material layer containing a positive electrode active material and a conductive additive, in which the conductive additive includes carbon nanotubes, a content of the conductive additive in the positive electrode active material layer is 3.0% by mass or less, and a BET specific surface area of the positive electrode active material layer is 1.00 m2/g or more and 3.00 m2/g or less.
Absstract of: US20260237829A1
The invention relates to a pressure equalization device (1, 101, 301) for a battery housing. The device comprises a cage (2, 102, 302) forming a fluid passage (23, 123, 323) and a valve member (3, 103, 203, 303) covering the fluid passage. The valve member comprises a hole (33, 133, 233, 333) through its thickness and a membrane (34, 134, 234, 334) attached to the valve member and covering the hole. The membrane is configured to equalize, when in use, the pressure inside the battery housing with the ambient pressure outside the battery housing, while the valve member is configured to move or distort reversibly at a preset pressure difference between the inside and the outside of the battery housing to prevent overpressure inside the battery housing.
Absstract of: US20260237794A1
0000 A battery according to one embodiment of the present invention comprises: an electrode body in which a positive electrode plate and a negative electrode plate are stacked with a separator therebetween; an exterior can which houses the electrode body and has an opening at one end; and a sealing body which closes the opening of the exterior can. The exterior can has an identification indication formed on the inner surface thereof.
Absstract of: US20260237827A1
A housing assembly includes a first housing member having an inner wall and an outer wall, the inner wall of the first housing member corresponding to a side of an accommodation space defined by the housing assembly, and the outer wall of the first housing member being on a side of the first housing member facing away from the accommodation space. The housing assembly includes a first reinforcing structure on the outer wall of the first housing member. Energy storage device and energy storage system counterparts are also described.
Absstract of: US20260237634A1
0000 A secondary battery includes a negative electrode plate, where the negative electrode plate includes a current collector and a first active material layer, the first active material layer is disposed on at least one surface of the current collector, the first active material layer includes a silicon-based material and a solid-state electrolyte, and the solid-state electrolyte is at least partially bound to a surface of silicon in the silicon-based material. In the secondary battery and an electric device, the solid-state electrolyte is at least partially bound to the surface of silicon in the silicon-based material.
Absstract of: US20260237646A1
0000 A secondary battery includes a negative electrode plate, where the negative electrode plate includes a current collector, a first active material layer, and a second active material layer, the first active material layer is disposed on at least one surface of the current collector, the second active material layer is disposed on a side of the first active material layer facing away from the current collector, the first active material layer includes a silicon-based material and a first graphite material, the second active material layer includes a second graphite material and an inorganic material, and a ratio of a particle size D
Absstract of: AU2024410982A1
A battery pack and a vehicle having same. The battery pack comprises: a frame, separation assemblies, a liquid cooling plate, and a bottom protection plate. The frame is used for enclosing and forming a containing cavity. The separation assemblies are arranged in the frame so as to divide the containing cavity into multiple containing sub-cavities. The liquid cooling plate is located at the bottom portion of the frame, a bottom maintenance port is provided on the liquid cooling plate directly opposite to a containing sub-cavity, and the liquid cooling plate, the frame, and at least the separation assembly near the bottom maintenance port are fixedly connected. The bottom protection plate is below and detachably connected to the liquid cooling plate and is used for opening and closing the bottom maintenance port.
Absstract of: US20260237626A1
0000 A secondary battery manufacturing apparatus comprises: a dancer roll configured to change the path of traveling of an electrode sheet; a cutter configured to cut the electrode sheet adjacent to the dancer roll into first and second electrode sheets; and a discarded potion winder configured to wind defective portions of the first electrode sheet.
Absstract of: US20260237863A1
The present disclosure provides a battery module comprising: a cell assembly including a plurality of battery cells; and a busbar assembly including a busbar electrically connected to at least one of the plurality of battery cells, and a busbar holder including a base located on the cell assembly and a protrusion part extending from the base and connected to the busbar. The plurality of battery cells may include a first battery cell and a second battery cell adjacent to the first battery cell. The busbar may include a first connection part connected to the first battery cell, a second connection part connected to the second battery cell, and a buffer part located between the first connection part and the second connection part. The protrusion part may be connected to the buffer part.
Nº publicación: US20260237785A1 13/08/2026
Applicant:
SUNSWAP LTD [GB]
Sunswap Ltd
Absstract of: US20260237785A1
A battery pack (30), related methods and to a transport refrigeration unit of a type configured to draw power from rechargeable batteries in cooling the interior of a mobile enclosure, such as in a trailer or lorry. The battery pack (30) comprises a framework (20) by which the pack is mounted in use and a battery compartment (40) for plural rechargeable battery cells (41). The framework may include at least one shelf for supporting the plural battery cells in the compartment, the shelf having at least one fluid flow channel (67) therein and the battery pack comprises at least one fluid movement device (62) arranged to move cooling fluid through the at least one channel to cool the battery cells in use. The framework may include plural vertically spaced shelves for supporting rows of the plural battery cells in the compartment, wherein the battery cells are orientated such that the terminals for connecting to the cells vertically on top.
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