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1903
resultados
Última actualización
06/10/2025 [07:12:00]
Resultados 125 a 150 de 1903
Resumen de: US2025309452A1
A cover structure and a battery pack employing the cover structure are provided. The battery pack further includes a plurality of cells and a box. The cover structure includes a substrate and an exhaust portion. The substrate is configured to cover the box. The substrate and the box together form an accommodating cavity to accommodate the plurality of cells and foam adhesive arranged along a plurality of adhesive injection tracks preset in the accommodating cavity. The exhaust portion is provided on a middle portion of the substrate. The exhaust portion is provided with a plurality of exhaust holes. An area between two adjacent adhesive injection tracks corresponds to at least one of the exhaust holes.
Resumen de: US2025309447A1
A system for supplying power to a portable battery pack including a battery enclosed by a wearable and replaceable pouch or skin using at least one solar panel is disclosed, wherein the pouch or skin can be provided in different colors and/or patterns. Further, the pouch or skin can be MOLLE-compatible. The battery comprises a battery element housed between a battery cover and a back plate, wherein the battery element, battery cover, and back plate have a slight curvature or contour. Further, the battery comprises flexible leads.
Resumen de: US2025309449A1
The present disclosure relates to a battery module, a collocated battery module, a battery system and a battery pack. The battery module comprises at least two battery cells arranged to be coupled in series; wherein the battery module is configured to be removably connectable to an adjacent first corresponding battery module by a first electrical connection. The battery module is further configured to be removably connectable to the adjacent first corresponding battery module and further to an adjacent second corresponding battery module by at least one second electrical connection such that each battery cell comprised in the battery module is further arranged to be removably connectable to at least one battery cell comprised in the adjacent first and second battery modules by the at least one second electrical connection, wherein the first electrical connection is a parallel electrical connection and is different from the at least one second electrical connection.
Resumen de: US2025309259A1
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material which exhibits a predetermined peak intensity ratio and a predetermined voltage ratio in a graph illustrating the voltage (V) and the battery capacity (Q) at the 3rd cycle and having an X axis indicating the voltage (V) and a Y axis indicating a value (dQ/dV) obtained by differentiating the battery capacity (Q) with respect to the voltage (V) when charging/discharging is performed under predetermined conditions, and a lithium secondary battery including the same.
Resumen de: US2025309276A1
A dry electrode includes a current collector including a surface having protrusions and depressions and a free-standing film including an active material, a conductive material, and a fiberized binder. The free-standing film is laminated directly onto the surface of the current collector having protrusions and depressions.
Resumen de: US2025309245A1
The present invention relates to an electrode protection layer based on a carboxylated polymer of intrinsic microporosity, and a manufacturing method therefor, and, more specifically, to an electrode protection layer based on a polymer of intrinsic microporosity, and a manufacturing method therefor, the layer being manufactured by mixing a carboxylated polymer of intrinsic microporosity with a cross-linking agent and a solvent so as to form a film-forming composition, forming a film therefrom, and then cross-linking the film.
Resumen de: US2025309269A1
An electrode for a lithium ion secondary battery includes; an electrode active material layer, an electrode current collector layer, and a porous layer laminated on the electrode current collector layer. The porous layer includes a polymer binder including a copolymer containing a hard segment of the following Chemical Formula 1 and a soft segment of the following Chemical Formula 2 and inorganic fine particles dispersed in the polymer binder:Also provided is a method of manufacturing the same and a lithium ion secondary battery comprising the same. The electrode for the lithium ion secondary battery has a dense bond between a porous layer and an electrode active material layer and also imparts high flexibility to the porous layer which results in exhibiting excellent durability during charge and discharge.
Resumen de: US2025309261A1
A secondary battery with excellent electrochemical stability and reversibility of both the lithium-ion insertion and conversion reactions is provided. According to one aspect of the present invention, a secondary battery comprising a cathode including a transition metal-based lithium compound is provided, wherein in the differential capacity (dQ/dV)-voltage (V) graph of the secondary battery, there is no peak value in the range of 3.8 to 4.0 V.
Resumen de: US2025309236A1
Disclosed is a negative electrode for a secondary battery, including: a carbonaceous current collector; a porous polymer layer disposed on at least one surface of the carbonaceous current collector; and a lithium-based material layer disposed on a top surface of the porous polymer layer. The negative electrode for a secondary battery shows improved elongation, tensile strength and elastic force. In addition, the secondary battery including the negative electrode for a secondary battery shows improved cycle life.
Resumen de: US2025309242A1
A negative electrode active material layer includes a first part and a second part in a thickness direction, and the first part is a part close to a negative electrode current collector is described. During charging of a battery, a lithiation state at the second part is higher, and a lithiation state at the first part is lower. When a mass percentage of a silicon-based material in the first part is greater than a mass percentage of a silicon-based material in the second part, expansion of the silicon-based material in the negative electrode active material layer can be alleviated. Charging and discharging of the battery can be met without full intercalation for the silicon-based material in the first part, and the silicon-based material in the first part does not need to operate at full load.
Resumen de: US2025309238A1
A positive electrode structure according to the present invention includes: a foil-shaped current collector; and positive electrode active material layers provided on both surfaces of the current collector, wherein each of the positive electrode active material layers has a central portion containing an active material and an insulating frame disposed on an outer periphery of the central portion and containing an insulating material, the insulating frame covers a surface near an outer edge of the current collector and at least a part of a side end surface of the current collector, and the side end surface of the current collector covered with the insulating frame is covered with the insulating frame of the positive electrode active material layer provided on one of the surfaces of the current collector and the insulating frame of the positive electrode active material layer provided on the other of the surfaces of the current collector.
Resumen de: US2025309232A1
A method for recovering performance of a positive electrode for a lithium-ion secondary battery by doping lithium ions into the positive electrode for a lithium-ion secondary battery having a decreased capacity, in which the doping of the lithium ion is performed in an electrolytic solution by a discharge using a lithium electrode as a counter electrode, and the discharge is performed within a range of a predetermined accumulated discharge amount DG Ah.
Resumen de: US2025309233A1
An electrode plate processing system, a method for processing an electrode plate, an electrode plate, a battery, and an electric apparatus. The electrode plate processing system includes a flame heating unit, where the flame heating unit is configured to perform flame heating treatment on an electrode plate. The method for processing an electrode plate includes: performing flame heating treatment on an electrode plate, such that a surface layer temperature of an active layer is greater than or equal to a softening temperature or a melting temperature of a binder and less than the lowest temperature of a decomposition temperature, an oxidation temperature, and an ignition temperature of an active material.
Resumen de: US2025309234A1
Provided in the present application are a positive electrode active material, a positive electrode sheet, a secondary battery, and an electric device. The positive electrode active material is present in a form of secondary particles formed through aggregation of primary particles. At least some of the secondary particles have pores. A particle size distribution diagram of the positive electrode active material that is measured by using a laser diffraction method is of a bimodal shape. A difference between a peak position of a second peak and a peak position of a first peak is 1 μm to 13 μm.
Resumen de: US2025309448A1
A method of manufacturing a battery assembly including sliding each of a plurality of battery cells into a cavity of a first plurality of cavities of a first panel of a cell stack. Each of the plurality of battery cells has a battery circumference and each cavity has a first end and a second end opposite the first end. The method further includes affixing a second cell stack panel to the first cell stack panel to form a cell stack. The second panel has a second plurality of cavities with a first end and a second end opposite the first end. The first end of each of the second plurality of cavities is aligned to the first end of a respective cavity of the first plurality of cavities.
Resumen de: US2025309446A1
This battery module (200) is configured to be inserted into a battery housing (201) opening onto a front face (22) of a control unit (20) of an electrical circuit breaker. The battery module comprises an envelope (210) with a proximal wall (214), which is generally orthogonal to a main axis (A214), and a peripheral wall (216), which extends from the proximal wall and presents a continuous contour around the main axis, the proximal wall and the peripheral wall together delimiting a cavity (211) for receiving a battery (212). The battery module comprises a conductive element (220B), which is partially received in the cavity and is configured to be connected to a pole of the battery. The proximal wall and the peripheral wall together form a continuous portion of the envelope that extends from the proximal wall and according to the main axis, at a minimum distance (L240) greater than or equal to 14 mm.
Resumen de: US2025309443A1
The energy storage container according to the present application includes a frame and multiple battery racks. The frame comprises multiple corner posts that extend in the direction of gravity. Multiple battery racks are installed within the frame and are arranged at intervals. The multiple corner posts include a first corner post that is adjacent to the battery racks, the first corner post includes an inner side facing the battery racks, and a part of the inner side is recessed in a direction away from the battery racks to form an accommodation space, the accommodation space accommodates at least parts of the battery racks.
Resumen de: US2025309444A1
This disclosure provides a portable charging and discharging integrated battery assembly including a lithium battery, a first charging cable, and a storage bag, the storage bag includes a bag body, a cover located at the top of the bag body, a sleeve opening provided on the side wall of the bag body, and a charging interface located on the side wall of the lithium battery, the lithium battery placed within the storage space with the charging interface exposed at the side wall of the bag body. The storage bag accommodates the connected lithium battery and charging cable without need for an additional storage bag, facilitating easy transport protecting the rechargeable lithium battery, preventing wear from direct contact with other items during transport, extending its lifespan and enhancing portability.
Resumen de: US2025309435A1
In this disclosure, a battery pack/module with pressure control device integrated has been introduced to provide more efficient packing in system. This design reduces and deaccelerates fading/aging, impedance growth, and dimensional instability over product life. Moreover, it also helps protect the battery from damage with improved reliability. This technology enables better industrial design, e.g., for XR and wearable systems.
Resumen de: US2025309223A1
A negative electrode manufacturing device for a secondary battery includes a dual slot die and a coating roll. The dual slot die includes an upper block, a middle block, a lower block, a first slot and a second slot. The first slot is a gap between the upper block and the middle block for discharging negative electrode slurry, and the second slot is a gap between the middle block and the lower block for discharging negative electrode slurry. The upper block, the middle block, and the lower block comprise an upper lip, a middle lip, and a lower lip located at each front end with magnetism of the same polarity. The coating roll exhibits a magnetism of a polarity opposite to the polarity of the magnetism of each lip. A method of manufacturing using the same is also provided.
Resumen de: US2025309228A1
Disclosed is a secondary battery manufacturing apparatus for manufacturing high density and/or thin electrode plates. The secondary battery manufacturing apparatus includes: a press roll for rolling an electrode plate. The press roll includes a pair of main rolls having a first diameter and a pair of sub-rolls having a second diameter less than or equal to the first diameter. A conveying unit conveys the electrode plate toward the press roll.
Resumen de: US2025304461A1
The present invention provides a coating agent including α-alumina particles having a polyhedral crystal structure and having an average particle size (D50) of 100-900 nm. The α-alumina particles are produced in such a way that pseudo-boehmite is mixed with a fluoride-based mineralizer and ultrapure water and pulverized to obtain a powder which is then fired and grown into a polyhedral shape. The polyhedral alumina particles make surface contact and are coated on the surface of a porous polymer substrate, and empty space induced by the interstitial volume between particles is formed larger than that of spherical particles, thereby being capable of achieving excellent air permeability while effectively suppressing thermal contraction of the porous polymer substrate. In addition, due to a nano-level particle size, excellent dispersibility and the formation of a thin coating layer can be achieved.
Resumen de: US2025304394A1
Proposed is an apparatus for supplying a roll-type material, the apparatus including an unwinder for unwinding a roll on which a material is wound, a rotation speed sensor for measuring a rotation speed of the roll, and a controller for performing a first deceleration for decelerating the rotation speed of the roll when the rotation speed of the roll is equal to or greater than a first reference rotation speed, and performing a second deceleration for decelerating the rotation speed of the roll when the rotation speed of the roll is equal to or greater than a second reference rotation speed after the rotation speed of the roll is decelerated. Accordingly, it is possible to adjust a supply speed of the material according to a remaining amount of the material without operator's control, and minimize waste of the material.
Resumen de: US2025309243A1
An all-solid-state lithium ion secondary battery includes the lithium-free negative electrode having two or more carbon materials with different particle sizes to increase the contact area with the solid electrolyte. The all-solid-state lithium ion secondary battery includes a positive electrode, a solid electrolyte layer, a negative electrode current collector, and a negative electrode active material layer disposed between the solid electrolyte layer and the negative electrode current collector, wherein the negative electrode active material layer includes a first carbon material; a second carbon material; and Ag; wherein the first carbon material and the second carbon material have different average particle sizes.
Nº publicación: US2025309224A1 02/10/2025
Solicitante:
HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD
Resumen de: US2025309224A1
There is provided a coating device including: a conveyer that continuously conveys a sheet-shaped material-to-be-coated; a first die head that intermittently discharges a first slurry toward a first surface region of the material-to-be-coated being continuously conveyed, to discontinuously form a first coated section; and a first gas ejector that ejects a first gas toward a terminal end of the first slurry being intermittently discharged, wherein the first die head has a slit-shaped first discharge port that discharges the first slurry in a direction substantially perpendicular to a convey direction of the material-to-be-coated in the first surface region and that extends in a width direction of the conveyer, the first gas ejector has: a slit-shaped first ejection port that ejects the first gas in a direction substantially parallel to the convey direction of the material-to-be-coated in the first surface region and that extends in the width direction of the conveyer.
BOPI
Sede Electrónica
