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1394
results.
Updated on
23/12/2025 [07:13:00]
Results 300 to 325 of 1394
Absstract of: WO2025257840A1
The present invention relates to a system (100, 200) and a method (300) for securing a unique identification number (UID) of a battery (102, 202). The system (100, 200) has a battery (102, 202) and a storage medium (104, 210). The battery (102, 202) has a unique identification number (UID) and the storage medium (104, 210) is configured to store the unique identification number (UID). The system (100, 200) further has a control unit (106, 204). The control unit (106, 204) is operably connected to the battery (102, 202) and the storage medium (104, 210). The control unit (106, 204) includes a cryptographic module (110, 208) and an authentication module (112, 206). The cryptographic module (110, 208) is configured to lock the unique identification number (UID) through a cryptographic key. The authentication module (112, 206) is configured for unlocking the unique identification number (UID).
Absstract of: WO2025258604A1
Provided is a high-capacity all-solid-state secondary battery. This all-solid-state secondary battery is characterized by: including a positive electrode, a negative electrode, and a solid-state electrolyte layer disposed between the positive electrode and the negative electrode; and an intermediate layer, containing a fibrous resin and a solid-state electrolyte, being interposed between the negative electrode and the solid-state electrolyte layer.
Absstract of: WO2025258394A1
A power storage device (10) is provided with: at least one power storage cell (100); a bottom wall (235) that is disposed below the at least one power storage cell (100); and a structural member (300) that is provided on the bottom wall (235). A safety valve (SV) is provided on the lower surface (114a) of the power storage cell (100). The at least one power storage cell (100), the bottom wall (235), and the structural member (300) define a space (S) below the at least one power storage cell (100).
Absstract of: WO2025258393A1
A power storage device (10) is provided with: at least one power storage cell (100); a top wall (220) that is provided above the power storage cell; opposing walls (212, 240) that face the power storage cell in the width direction; and a support member (300) that supports the power storage cell. The opposing walls extend downward from the top wall (220). The support member (300) supports the lower surface (114a) of both ends of the power storage cell (100) in the width direction.
Absstract of: WO2025258193A1
A battery unit (11) comprises: battery sections (21); battery monitoring devices (30) that detect battery information and transmit the battery information by wireless communication; a battery control device (40) that receives battery information from the battery monitoring devices by wireless communication; and an electrically conductive housing (50) that houses the battery sections (21), the battery monitoring devices (30), and the battery control device (40). In the battery unit (11), the interior of the housing houses one or a plurality of the battery sections, and comprises radio wave intrusion suppression members (81) that close at least a portion of a gap between the battery sections and the housing and gaps (25) between the battery sections.
Absstract of: US2025385401A1
An electrode plate body includes a coated region and a blank foil region located at one end corner of the electrode plate body. A notched region is provided at another end corner of the electrode plate body. A first boundary line is between the blank foil region and the coated region. An angle between a right-angled edge of the blank foil region in the short-side direction of the electrode plate body and the first boundary line ranges from 30° to 60°. A second boundary line is between a notched region and the coated region. An angle between the right-angled edge of the notched region in the short-side direction of the electrode plate body and the second boundary line ranges from 30° to 60°.
Absstract of: US2025385392A1
A battery module includes a battery stack including a plurality of battery cells, a holder member provided at one side of the battery stack, busbars coupled to the holder member and electrically connected to the battery stack, and an overlap region in which at least some of lead regions of the plurality of battery cells of the battery stack overlap one another is formed, in which the overlap region is attached to and in close contact with the busbar.
Absstract of: US2025385386A1
A separator substrate, a separator comprising the same, and an electrochemical device comprising the same are provided. The separator substrate comprises a crosslinked polyolefin resin and chromium (Cr), wherein the crosslinked polyolefin resin comprises a silicon-containing organic group grafted to a polyolefin chain, a gel fraction of the separator substrate is 3% to 80%, a standard deviation (Δd) of thickness measured in at least 100 random points is 0.5 μm or less, and a number of spots having a long side length of 50 μm or more per m2 is 10 or less.
Absstract of: US2025385376A1
The present battery assembly includes: a first binding bar provided to cover a side of each of a plurality of battery cells on which an electrode terminal is disposed; a second binding bar provided to cover a side of each of the battery cells opposite to the side on which the electrode terminal is disposed; and an electrode-terminal-side cushion provided at at least one corner portion of the battery cell located, on the side on which the electrode terminal is disposed, in a direction intersecting a direction in which the battery cells each including the first side surface on which the electrode terminal is disposed are stacked, so as to extend along the direction in which the battery cells are stacked, wherein the first binding bar and the second binding bar are fastened and fixed.
Absstract of: US2025385391A1
A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells, a filler member filled in a space between the plurality of battery cells, and a busbar assembly electrically connected to the plurality of battery cells, and having a filler member injection hole for injecting the filler member.
Absstract of: US2025385358A1
The disclosure relates to a battery cell stack assembly for a battery module or a battery pack that includes a plurality of prismatic battery cells, stacked next to each other in at least three longitudinally extending and parallel battery cell rows, and a bottom support plate, wherein the at least three battery cell rows are supported on a support surface of the bottom support plate which faces upwardly in the height direction. The disclosure also relates to a battery pack, a battery module, a vehicle, and a method.
Absstract of: WO2025259023A1
The present invention relates to a positive electrode active material, a positive electrode comprising same, and a lithium secondary battery, the positive electrode active material enabling the simultaneous solving of existing secondary particle and single particle problems, and comprising particles such as conventional single particles as primary particles, and comprising secondary particles formed by aggregating a plurality of the primary particles, wherein the plurality of primary particles have an average particle size of 1.0 to 3.0 μm measured from a SEM image, the particle size of the primary particles being the particle size based on the major axis of the primary particles, and the plurality of primary particles include disk-type primary particles defined in the present specification, 60 mol% or more of nickel is contained in the total of transition metals, and formula 1 disclosed in the present specification is satisfied, thereby enabling the enhancing of capacity characteristics, high-temperature life characteristics, and rate characteristics of a lithium secondary battery.
Absstract of: WO2025258870A1
The present invention provides: an electrode assembly structure preventing the risk of short circuits due to the width-wise end exposure of an electrode by having a separator covering the side surface of an electrode laminate, the electrode assembly being produced using a zigzag stacking method; and a method for producing the electrode assembly.
Absstract of: WO2025258731A1
This battery storage device comprises: a housing provided with a plurality of partitioning units, which partition the interior of the housing into a plurality of partitioned spaces, and a plurality of opening/closing units, which are provided on different surfaces of the housing; a plurality of mounting units which are formed as extendable shelf structures and respectively provided in the plurality of partitioned spaces, and on which a plurality of batteries are mounted; a plurality of rails which are respectively provided on both side surfaces of the plurality of mounting units and guide the mounting units so as to be extendable in the front-rear direction relative to the housing; chain-type moving units which are respectively provided above the side surfaces of the plurality of mounting units and have chain shapes, and which are provided so that the mounting units return when extended to the outside of the housing; a plurality of fire extinguishing units having bar-shaped bodies, which release a fire extinguishing agent upon detecting a fire and are provided at the upper end of the inside of the partitioned spaces, and arranged parallel to the mounting surfaces of the mounting units to maximize the area of the bodies facing the batteries; and a water injection unit provided on the outside of the housing and formed as a valve to inject water into the housing according to the open/closed state.
Absstract of: WO2025258871A1
The present invention provides: an electrode assembly structure preventing the risk of short circuits due to the width-wise end exposure of an electrode by having a separator covering the side surface of an electrode laminate, the electrode assembly being produced using a zigzag stacking method; and a method for producing the electrode assembly.
Absstract of: WO2025256091A1
A battery and an electronic device. The battery comprises a cell and an FPC. No protection circuit is provided on the cell or the FPC. A first portion of the FPC is stacked on a top seal along the width direction of the cell, two second portions of the FPC are respectively formed by extending from two ends of the first portion, and second connection portions are respectively provided at extension ends of the second portions. One of the second connection portions is connected to a positive electrode trace within the FPC, and the positive electrode trace extends from the corresponding second connection portion and second portion to a position opposite to a positive electrode tab. The other one of the second connection portions is connected to a negative electrode trace within the FPC, and the negative electrode trace extends from the corresponding second connection portion and second portion to a position opposite to a negative electrode tab. At least one of the positive electrode tab and the negative electrode tab is provided in a quantity of at least two. In such a configuration, the positive electrode trace and the negative electrode trace within the FPC are both arranged in a unipolar manner, thereby avoiding the possibility of safety risks such as fire caused by continuous short circuits and reducing the link impedance of the FPC.
Absstract of: WO2025256088A1
Disclosed in the present application are a battery protection method, and a storage medium and a vehicle. The battery protection method comprises: acquiring the voltage of a battery; on the basis of the voltage of the battery and a set undervoltage threshold, determining whether the battery is in a pre-undervoltage state; if the battery is in the pre-undervoltage state, determining a pre-undervoltage level on the basis of the voltage of the battery and a plurality of preset undervoltage thresholds, and correspondingly limiting a discharge power of the battery; on the basis of the voltage of the battery and the change condition of the voltage of the battery within a preset duration, determining the state of the battery; and if the state of the battery is a preset pre-undervoltage state, maintaining the limitation on the discharge power of the battery.
Absstract of: WO2025256174A1
A battery cell, a battery device, an energy storage device, and an electric device. The battery comprises a casing, an electrode assembly, and an overcharge protection mechanism. The casing comprises a first wall, the electrode assembly is arranged in the casing, and the overcharge protection mechanism is arranged on the first wall. The electrode assembly comprises a gas-generating agent, and the gas-generating agent comprises at least one of carbonate, oxalate or chloride. The battery cell can effectively improve the reliability of the battery device.
Absstract of: WO2025256051A1
Embodiments of the present disclosure provide an end cover assembly, a battery cell, a battery, and an electrical device. The battery cell comprises a casing and an end cover assembly; the casing is provided with an accommodating cavity, and the side of the accommodating cavity in a first direction is open; the end cover assembly comprises a cover plate kit and a top support; the cover plate kit covers the open position of the accommodating cavity, the top support is arranged in the accommodating cavity; the cover plate kit is provided with an anti-explosion valve trigger area and a flow guide channel; at least part of the top support and the cover plate kit are spaced in the first direction to form a convergence space; the anti-explosion valve trigger area is communicated with the convergence space; the top support is provided with through exhaust holes, and the exhaust holes enable the convergence space to be communicated with the accommodating cavity; and air outlets of the flow guide channel are communicated with the convergence space, and air inlets of the flow guide channel are located in the accommodating cavity and spaced apart from the inner wall of the accommodating cavity.
Absstract of: US2025385264A1
A negative electrode including a negative electrode active material layer, wherein the negative electrode active material layer includes a negative electrode active material and a binder, wherein the binder includes a) an acryl-containing polymer including a monomer mixture containing a (meth)acrylamide group-containing monomer, an unsaturated carboxylic acid-containing monomer, and a monomer having a solubility in water of 100 g/L or less; and b) cellulose nanofibers, and a secondary battery.
Absstract of: US2025385241A1
A method for manufacturing an electrode includes feeding an electrode mixture to a first conveyor belt. The electrode mixture includes electrode active materials, conductive carbons and polymeric binders. The first conveyor belt moves the electrode mixture film along a first belt-moving direction. The method further includes transferring the electrode mixture film from the first conveyor belt to a second conveyor belt. The second conveyor belt moves the electrode mixture film along a second longitudinal direction. The first belt-moving direction is oblique angled relative to the second longitudinal direction. The side rollers on the second conveyor fold the electrode mixture film at a certain angle with the support of a pair of guide rollers. The method includes hot pressing the electrode mixture film using at least one hot roller to fiberize the PTFE binder along the second belt-moving direction.
Absstract of: US2025385265A1
A conductive-material-dispersed solution, according to one implementation, comprises a conductive material, a dispersant and a dispersion medium, wherein the conductive material comprises single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs), and the solid content of the conductive-material-dispersed solution is 1.5 wt % or greater. According to the one implementation, the provided conductive-material-dispersed solution has the conductive material pre-dispersed therein to an excellent level such that, when added to an anode slurry composition, dispersibility and the like of the conductive material are effectively improved, and inhibits aggregation between constituent elements in the anode slurry such that high solid content characteristics and the like in a slurry can be ensured.
Absstract of: US2025385252A1
A positive electrode plate includes a current collector, a conductive coating, a first active material layer and a second active material layer, where the conductive coating is formed on a surface of the current collector, the first active material layer is formed on a surface of the conductive coating, and the second active material layer is formed on a surface of the first active material layer; the first active material layer includes a first active material; the second active material layer includes a second active material; the first active material does not catch fire in a nail penetration test; and the second active material has a gram capacity greater than or equal to 165 mAh/g.
Absstract of: US2025385263A1
The present invention relates to an all solid-state battery comprising: a negative electrode; an electrolyte layer; and a positive electrode including a positive electrode layer and a current collector supporting the positive electrode layer, wherein the positive layer includes a first area adjacent to the electrolyte layer and a second area adjacent to the positive electrode current collector, the first area includes first solid-state electrolyte particles, the second area includes second solid-state electrolyte particles, and an average particle size of the first solid-state electrolyte particles is greater than that of the second solid-state electrolyte particles.
Nº publicación: WO2025255657A1 18/12/2025
Applicant:
UNIV OF OTTAWA [CA]
UNIVERSITY OF OTTAWA
Absstract of: WO2025255657A1
There are provided methods and systems for non-wet lithium-ion battery recycling using triboelectrification of black mass or battery scrap material and electrostatic separation based on charge polarity and/or charge magnitude. Methods and systems of the disclosure allow separation, recovery and/or upgrading of battery electrode active components from black mass or battery scrap materials, using an entirely dry process without solvents. Battery electrode active components such as graphite, metal oxides, and metal oxide components may be separated, recovered and/or upgraded using methods and systems of the disclosure. In some embodiments, methods include pneumatic conveying for triboelectrification of black mass or battery scrap material followed by separation in a free-fall electrostatic charged-particle separator.
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