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1468
results.
Updated on
02/04/2026 [07:26:00]
Results 1450 to 1468 of 1468
Absstract of: EP4712214A1
A battery assembly according to certain embodiments of the present disclosure includes: a battery cell stack in which a plurality of battery cells are stacked; a frame that houses the battery cell stack and includes a first side surface part, a second side surface part, a ceiling part, and a bottom part; and an inlet and an outlet for circulating a coolant inside the frame. The coolant is flowed into the inside of the frame through the inlet, and discharged through the outlet. Pad members are disposed on at least at one place between the battery cells, and at least one of the pad members extends from the ceiling part to the bottom part of the frame.
Absstract of: CN121241465A
The present disclosure provides a system for mitigating and limiting the effects of fluid released from a battery component. The system includes a base having a plurality of outlets, the base coupled with a battery module housing configured to receive a battery module, with the plurality of outlets arranged in a configuration across the base. The system also includes one or more nozzles configured to receive an inhibitor and provide the inhibitor to the base, where in response to an out-of-control event at the battery module, the base is configured to interact with an exhaust fluid from the battery module to cool the exhaust fluid.
Absstract of: EP4712185A1
A tape attaching device (200) including: a lower support structure (210) to support a cylindrical electrode assembly (110); a plurality of compression jigs (220) to bend an insulating tape (120) attached to a side surface (112) of the electrode assembly (110) and protruding in a height direction along a circumference of an upper surface (114) of the electrode assembly (110), and attach the insulating tape (120) to the upper surface (114) of the electrode assembly (110); a pressing device (230) to flatten the upper surface (114) of the electrode assembly (110) to which the insulating tape (120) is attached; and a controller (240) to control the compression jigs (220) and the pressing device (230).
Absstract of: EP4712211A1
Provided is a battery pack that does not cause temperature deviations between battery cells depending on the location of the battery cells in the battery pack while directly cooling the battery cells by improving a conventional heat sink cooling method. A battery pack of the present disclosure includes a pack housing including a bottom plate, an outer frame, and a partition frame; and a plurality of battery cell assemblies accommodated in the pack housing, wherein inside the outer frame and the partition frame, a flow path where a cooling fluid is able to flow, and a distribution hole and a recovery hole communicating with the flow path are provided, and thus the cooling fluid is introduced toward the battery cell assembly to directly cool battery cells in the battery cell assembly.
Absstract of: EP4712182A1
A current collector (100A) includes a support portion (110), a first conductive layer (120), and a second conductive layer (130). The support portion (110) includes an electrically insulating resin composition. The support portion (110) includes a support layer (111) and an extension portion (112). The first conductive layer (120) is in contact with the support layer (111) on a first side in a thickness direction (DT) of the support layer (111). The second conductive layer (130) is in contact with the support layer (111) on a second side in the thickness direction (DT). The extension portion (112) extends from the support layer (111) in an orthogonal direction (DO) orthogonal to the thickness direction (DT).
Absstract of: EP4712225A1
The present disclosure is directed to providing a secondary battery with fewer limitations on shape and improved battery capacity, and for preventing problems caused by gas produced during charging and discharging. The secondary battery according to an embodiment of the present disclosure includes an electrode assembly including a plurality of electrodes and a separator stacked parallel to each other, a sheet-type outer packaging having an internal space for accommodating the electrode assembly, and an outer packaging opening configured to communicate the internal space with an outside, and a cap configured to cover the outer packaging opening of the sheet-type outer packaging, wherein a height of the cap in a stack direction of the electrodes and the separator is larger than a height of the electrode assembly.
Absstract of: EP4712246A1
A battery pack according to certain embodiments of the present disclosure comprises: at least one battery assembly including a plurality of battery cells; and a pack housing that houses the at least one battery assembly, wherein a plurality of venting channels extending along one direction are formed inside a bottom frame of the pack housing, wherein a venting hole communicating with the venting channel is formed on a lower surface of the battery assembly, and wherein the venting channels each have independent venting flow paths that are not shared with each other.
Absstract of: EP4712193A1
Provided in the present application are an electrolyte and the use thereof. The electrolyte comprises a first additive as shown in formula 1, vinylene carbonate and a boron-containing compound. Applying the electrolyte to a battery can not only reduce the content of PF<sub>5</sub> and HF in the electrolyte, but can also improve the electrochemical performance of the lithium-ion battery.
Absstract of: EP4711739A1
A measuring apparatus for an electrode and/or a separator for a secondary battery according to one embodiment of the present disclosure includes a container including a body in which a specimen and an electrolyte can be stored inside, and a measuring unit for measuring physical properties of the specimen, wherein the specimen is at least one of an electrode and a separator for a secondary battery, and the measurement is performed under a state where the specimen is immersed with the electrolyte.
Absstract of: EP4712168A1
An object of the present invention is to provide a positive electrode active material for a sodium ion secondary battery which has a large discharge capacity and a high average operating voltage in the sodium ion secondary battery to be obtained. The positive electrode active material for a sodium ion secondary battery according to the present invention is a positive electrode active material for a sodium ion secondary battery, the material including a composite oxide represented by particular Formula (1), a crystalline structure of the composite oxide belongs to a space group R-3m, and in a diffraction chart obtained by performing X-ray diffraction measurement, a ratio of a peak strength of 003 reflection of the composite oxide to a peak strength of 104 reflection of the composite oxide is not less than 1.00.
Absstract of: US2025006988A1
Described herein are slurries comprising a solid electrolyte material and an ester solvent, and methods of making the same.
Absstract of: EP4711783A1
A method of predicting an electrical performance of a secondary battery. The method includes receiving design conditions of the secondary battery, receiving experiment data of the secondary battery, obtaining model parameters based on the experiment data and an electrochemical model, generating an electrochemical model library including the model parameters, and predicting the electrical performance of the secondary battery, having the design conditions, based on the electrochemical model library. The design conditions of the secondary battery include at least one of an electrode condition or an active material condition.
Absstract of: EP4712226A1
The present disclosure provides a conductive module (10a), a cover plate assembly (100), and a battery cell (1000). The conductive module (10a) includes a pole (101) and a terminal pressing block (102). The pole (101) includes a first-metal post (1) and a second-metal layer (2) bonded on a surface of the first-metal post (1). The second-metal layer (2) includes a clamping portion (2a). The terminal pressing block (102) is connected to the pole (101). The clamping portion (2a) is clamped between the first-metal post (1) and the terminal pressing block (102), thereby reducing a risk that the second-metal layer (2) is separated from the first-metal post (1).
Absstract of: EP4712232A1
A busbar assembly for an electrical cell module is disclosed having a pair of opposing module end plates supporting an adjacent pair of cell stacks. The assembly includes a frame member having first and second engaging means to cooperatingly mount the busbar assembly, in an assembled position, to the module end plates, and a receiving portion having a series of apertures, extending between upper and lower faces. The assembly includes a plurality of busbar elements, each having a first surface and an opposing second surface, wherein each aperture of the receiving portion receivingly engages at least one busbar element with its first surface oriented towards the lower face. Each aperture includes a support portion and a retaining protrusion to cooperatingly restrict relative movement of the busbar elements between the upper lower faces of the receiving portion as the assembly is mounted to the electrical cell module in the assembled position.
Absstract of: EP4712220A2
Aspects of embodiments of the present disclosure relate to pouch-type secondary batteries (100), press devices (150) for secondary batteries (100), and manufacturing methods (180) of secondary batteries (100). A pouch-type secondary battery (100) includes: an electrode assembly (110) including a stack of unit cells (112) including: a first electrode plate (114); a first electrode tab (116) on the first electrode plate (114); a second electrode plate (120); a second electrode tab (122) on the second electrode plate (120); and a separator (118) between the first electrode plate (114) and the second electrode plate (120); and a first tape (130, 132) attached to a front side of the electrode assembly (110) perpendicular to a stacking direction of the stack of unit cells (112). The first tape (130, 132) is located at a corner portion (138) of the electrode assembly (110) where the first electrode tab (116) or the second electrode tab (122) is located, and the corner portion (138) is located at an inclined area (128, A, A') where a thickness of the electrode assembly (110) decreases.
Absstract of: EP4712164A1
The present application relates to a negative electrode active material, a method for preparing the negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including the negative electrode.
Absstract of: EP4712157A1
A negative electrode may include a first negative electrode active layer and a second negative electrode active layer on a negative electrode current collector. An orientation index (O.I.) of each of the negative electrode active layers may satisfy a predetermined range, and thus adhesion of the negative electrode active layers to the negative electrode current collector is highly implemented, thereby having excellent lifespan characteristics. In addition, a secondary battery including the same has excellent output characteristics and can be charged in a short time even at a 1C-rate.
Nº publicación: EP4712152A1 18/03/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: EP4712152A1
Disclosed are positive electrodes, all-solid-state batteries, and fabrication methods thereof. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a sulfide-based solid electrolyte, a binder that includes a first non-aqueous binder and a second non-aqueous binder, and a positive electrode active material. The first non-aqueous binder includes a fluorine-based binder. The second non-aqueous binder includes an acrylate-based binder.
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