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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 975 a 1000 de 1168
Resumen de: US20260331619A1
0000 A cooling device for cooling a cell is provided, which includes a first stack plate, a second stack plate, a cooling fluid, and a fusible material. The first stack plate is attached to the cell and has a first bonding portion and a first accommodating portion. The first bonding portion surrounds the first accommodating portion. The second stack plate is disposed on the first stack plate and has a second bonding portion and a second accommodating portion. The second bonding portion surrounds the second accommodating portion. The second bonding portion and the first bonding portion are bonded together and collectively form a sealed opening. The first accommodating portion and the second accommodating portion collectively form an accommodating space, and the accommodating space is in fluid communication with the sealed opening. The cooling fluid is disposed in the accommodating space. The fusible material is filled into the sealed opening.
Resumen de: US20260331634A1
Battery enclosure systems and methods for cooling batteries are provided. A method for cooling a battery includes locating a metal cold plate in a mold, wherein the metal cold plate includes an internal channel; filling the mold with resin and cooling to form an overmolded battery tray including an outer part surrounding the metal cold plate; wherein the overmolded battery tray has a bottom surface formed by the outer part and an upper surface formed by the metal cold plate; connecting the internal channel with a coolant supply; locating the battery on the metal cold plate; and attaching a cover to the overmolded battery tray to enclose an internal volume, wherein the battery is in the internal volume.
Resumen de: WO2026221364A1
Presented are a secondary battery and an energy storage device, the secondary battery comprising: a single-cell group having one or more single cells; and an outermost electrode disposed outside the one or more single cells of the single-cell group, wherein: the outermost electrode comprises a current collector, an electrode active material layer provided on one side of the current collector, and a flame-retardant layer provided on the other side of the current collector; the electrode active material layer of the outermost electrode is disposed to face the outer surface of the single-cell group; and the flame-retardant layer comprises a plurality of capsules including a flame retardant and a binder for a flame-retardant layer, which connects and fixes the plurality of capsules to each other.
Resumen de: WO2026220807A1
Provided is a flooded lead-acid battery in which the difference in chemical conversion efficiency between a positive electrode plate and a negative electrode plate is reduced by increasing the chemical conversion efficiency of the positive electrode plate, and the amount of chemical conversion electricity required for sufficient progress of chemical conversion is reduced. The flooded lead-acid battery comprises an electrode plate group and an electrolyte. The electrode plate group is housed in a cell chamber together with an electrolyte and has a laminate. The laminate comprises a plurality of positive electrode plates (10) and negative electrode plates (20) that are alternately arranged, and separators (30) that are arranged between the positive electrode plates and the negative electrode plates. The positive electrode plates (10) include a positive electrode current collector plate and a positive electrode mixture held by a grid portion of the positive electrode current collector plate. The negative electrode plates (20) include a negative electrode current collector plate and a negative electrode mixture held by a grid portion of the negative electrode current collector plate. The thickness of the positive electrode current collector plate is smaller than the thickness of the negative electrode current collector plate, and the distance (W) between the positive electrode plate (10) and the negative electrode plate (20) is 0.4 to 1.0 mm inclusive.
Resumen de: WO2026219272A1
A sulfide solid-state electrolyte, an electrode, a solid-state electrolyte membrane, a battery, a battery assembly, and an electrical device. The sulfide solid-state electrolyte contains a halogen. In the crystal structure of the sulfide solid-state electrolyte, the occupancy of the halogen at the 4d Wyckoff position is 0.68-0.85.
Resumen de: WO2026221234A1
An embodiment of the present invention provides a unit electrode, a method for manufacturing same, and a stack cell including same, in which the unit cell facilitates storage and transportation and reduces process defects such as winding misalignment and positional errors in an alignment process, and comprises: a current collector; a first active material layer located on the current collector; a second active material layer located under the current collector; an upper separator including a first upper separator located on the first active material layer and second upper separators extending outward from both sides of the first upper separator, respectively; and a lower separator including a first lower separator located under the second active material layer and second lower separators extending outward from both sides of the first lower separator, respectively, wherein the second upper separators and the second lower separators are coupled to each other while surrounding the sides of the current collector, the first active material layer, and the second active material layer.
Resumen de: US20260331682A1
0000 A battery unit includes: an end plate including first and second end plates that cover respective opposite side surfaces of a battery cell stack including a plurality of battery cells; and a fixing strap having a first end connected to the first end plate and a second end connected to the second end plate to couple the battery cell stack to the end plate. Each of the first end and the second end of the fixing strap includes an engaging portion having a fork shape, and the end plate includes a reinforcing portion engaged with the engaging portion.
Resumen de: US20260331681A1
The battery pack may include a plurality of battery modules, a casing that houses the battery modules, and a plurality of bolts that fixes the battery modules to the casing. The battery modules may be arranged in a matrix along a first direction and a second direction. Each of the battery modules may have a rectangular shape having four corners, as viewed in plan along a third direction perpendicular to the first direction and the second direction. A first fixing portion, a second fixing portion, a third fixing portion, and a fourth fixing portion that are located at different heights may be provided at the four corners, respectively. In four battery modules with the corners located adjacent to each other among the battery modules, the first, second, third, and fourth fixing portions may be stacked on one another and may be fastened together to the casing by a common bolt.
Resumen de: US20260331660A1
A secondary battery according to some embodiments of the present disclosure may include an electrode assembly; a case having a cylindrical shape that may include a bottom, a side wall connected to the bottom, and an opening opposite to the bottom, the case being configured to accommodate the electrode assembly; a cap assembly placed over the opening of the case; and a gasket disposed between the cap assembly and the case. The gasket may include a body and an extension that extends in an inward direction of the case from one end of the body toward another end of the body. A first thickness d1 of the one end of the body may be smaller than a second thickness d2 of the another end of the body.
Resumen de: WO2026218701A1
Provided in the present disclosure are a battery cell, a battery device and an electric device. The battery cell comprises a positive electrode sheet and an electrolyte membrane, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer located on at least one side of the positive electrode current collector; the positive electrode film layer comprises a sulfide electrolyte material, a binder and a dispersant; the binder and the dispersant are both chemically inert to the sulfide electrolyte material; and the mass proportion of the dispersant in the positive electrode film layer is 0.05% to 1%.
Resumen de: WO2026218054A1
A positive electrode for an electrochemical device is disclosed. The positive electrode comprises a conductive material and either (a) an iodine-adsorbed cyclodextrin polymer or (b) a bromine-adsorbed cationic polymer.
Resumen de: US20260331710A1
0000 The present invention is directed to a battery pack connection scheme which provides a synchronized direct current (“DC”) environment for every battery unit in the pack. The connections within the present invention are be made via respective conductive paths each including a high-power DC precision cable segment and having a low resistance suitable to allow a high charge or discharge rate. In some embodiments of the present invention, there may be multiple rows of parallel-connected batteries arranged in a series to provide higher output voltage.
Resumen de: US20260331568A1
0000 Electrolyte materials having the formulas Li<3>Ca<3>Cl<7>O, Li<5>Ca<2>Cl<7>O, and Li<5>CaCl<5>O are provided, wherein the electrolyte material crystallizes in a space group selected from the group consisting of Cm, P2_1, Pc, Pm, P3m1, P1, and Pmn2_1. A solid-state battery comprising Li<3>Ca<3>Cl<7>O, Li<5>Ca<2>Cl<7>O, or Li<5>CaCl<5>O electrolyte materials is provided. Methods for making Li<3>Ca<3>Cl<7>O, Li<5>Ca<2>Cl<7>O, and Li<5>CaCl<5>O electrolyte material are also provided.
Resumen de: US20260331629A1
0000 A battery module uses a battery heat-dissipation device having a heat transfer member with a pulsating heat pipe into which an operating fluid is injected. The heat pipe has an I-shaped cross section including a vertical section of an evaporator member for vaporizing the operating fluid, a lower horizontal section of a first condenser member for liquefaction, and an upper horizontal section of a second condenser member. The pulsating heat pipe forms a dual refrigerant contact area with first and second coolant channels through first and second horizontal channel sections respectively positioned in the upper and lower horizontal sections. An area of a condenser portion is increased to increase a temperature difference between an evaporator portion in which a battery cell and a pulsating heat pipe are in direct contact with each other, thereby improving cooling performance.
Resumen de: US20260331630A1
0000 Systems and methods of thermal management and dimensional control of a battery system include forming ribbons to remove heat from a battery system. Battery cells are assembled in rows with each row disposed between two of the ribbons. Prior to assembling the battery cells in rows, subassemblies are formed, each of which includes one of the ribbons and one of the rows of battery cells in a pre-bonded cell row. The battery cells of each subassembly are fixed to the one of the ribbons by a first thermal interface material. Plural of the subassemblies are stacked after the battery cells of each subassembly are fixed to their respective one of the ribbons as one of the pre-bonded cell rows. The battery cells of each subassembly are secured to the ribbon of another subassembly by a second thermal interface material to form a battery module.
Resumen de: US20260331724A1
The secondary battery includes an electrode stack in which a plurality of electrodes, each including an electrode active material layer coated on at least one surface of a sheet-like current collector, is stacked in a first direction with a separator interposed between the electrodes. Each of the electrodes includes an uncoated portion that includes an edge of the current collector and where the electrode active material layer is not coated. The uncoated portion includes a proximal region and a distal region. The proximal region extends in a second direction intersecting the first direction from a coated portion where the electrode active material layer is coated on the current collector. The distal region includes the edge and is bent relative to the proximal region. The distal regions of the uncoated portions respectively included in the electrodes are joined to a terminal plate such that the distal regions overlap each other.
Resumen de: WO2026221384A1
The present disclosure relates to a negative electrode for a lithium secondary battery and a lithium secondary battery comprising same, and provides a negative electrode for a lithium secondary battery, comprising: a negative electrode current collector; a first lithium host layer disposed on the negative electrode current collector and comprising first particles; and a second lithium host layer disposed on the first lithium host layer and comprising second particles, wherein the first particles comprise a first carbon-based material and an active material forming an alloy with lithium, the surface of the first particles being coated with amorphous carbon, and the second particles comprise a second carbon-based material and an active material forming an alloy with lithium.
Resumen de: WO2026221105A1
Provided is a composite powder formed of carbon nanotubes and a transition metal composite oxide containing at least zinc and niobium.
Resumen de: WO2026221374A1
According to exemplary embodiments, a battery pack is provided. The battery pack may comprise: a base plate; a plurality of battery cells disposed on the base plate and arranged in a first horizontal direction; and support pins arranged between the plurality of battery cells. Each of the support pins may include: a first portion that overlaps the plurality of battery cells in the first horizontal direction; and a second portion connected to the first portion and disposed above the plurality of battery cells. The second portion may have a variable thickness.
Resumen de: WO2026219702A1
The present invention relates to a pitch powder for use in the manufacture of negative electrode materials for secondary batteries, said pitch powder having properties which are advantageous in that the composite powder produced using said pitch powder has a low BET specific surface area and, once used in the negative electrode of a battery, allows to achieve a long cycle life.
Resumen de: WO2026221379A1
Provided is a manufacturing method of a bipolar electrode assembly, the manufacturing method according to an embodiment of the present invention preparing two or more bipolar unit cells, each including a current collector, a sealing member formed to surround the edges of the current collector, and an active material layer formed on one surface or both surfaces of the current collector, and stacking the bipolar unit cells such that a separator is interposed between the bipolar unit cells where the active material layers of different polarities face each other, and comprising the steps of: (a) applying an electrolyte onto the active material layer of one bipolar unit cell before stacking the another bipolar unit cell thereon; and (b) stacking another bipolar unit cell on the one bipolar unit cell, and then hot-rolling the sealing members.
Resumen de: WO2026218191A1
Provided in the present application are a battery apparatus and an electric device. The battery apparatus comprises a case and a plurality of battery cell groups. The case has an accommodating cavity. The plurality of battery cell groups are disposed in the accommodating cavity and arranged in a first direction. Each battery cell group includes a plurality of battery cells arranged in a second direction, wherein the second direction is perpendicular to the first direction and parallel to the thickness direction of the battery cells. The dimension of the accommodating cavity in the second direction is greater than the dimension of the accommodating cavity in the first direction. Each battery cell comprises a housing and at least one electrode assembly disposed within the housing, wherein the at least one electrode assembly is arranged in the second direction; the electrode assembly is of a wound structure and comprises a flat region and two bent regions connected to the flat region, the two bent regions respectively being disposed on two sides of the flat region in the first direction. The ratio of the total dimension of the bent regions arranged in the first direction to the dimension of the accommodating cavity in the first direction is 2.4%-10.2%.
Resumen de: WO2026221257A1
According to an exemplary embodiment, an apparatus and a method for diagnosing a crack in a battery pack are provided. The apparatus for diagnosing a crack in a battery pack comprises: an acceleration sensor provided in a battery pack accommodating a plurality of battery cells and configured to measure a vibration signal; a reference signal generation unit for providing a reference phase signal from the battery pack; a signal processing unit for calculating a resonance frequency of the battery pack by analyzing the vibration signal and the reference phase signal, and determining whether the battery pack has a crack, on the basis of a change in the resonance frequency or an analysis of a phase difference; and a notification unit for transmitting, to a user, information indicating whether the battery pack has a crack, as determined by the signal processing unit.
Resumen de: WO2026218264A1
The present application discloses a battery apparatus, a battery case, and an electric device. The battery apparatus comprises battery cells and a battery case. The battery case comprises: a case assembly defining an accommodating space for accommodating the battery cells; a bottom protection plate assembly arranged on the side of the bottom of the case assembly facing away from the accommodating space and provided with fixing holes; and locking assemblies configured to detachably connect the bottom protection plate assembly and the case assembly, wherein the locking assemblies are at least partially inserted into the fixing holes, and the ends of the locking assemblies facing away from the case assembly extend beyond the ends of the fixing holes facing away from the case assembly and have a radial dimension, along the radial direction of the fixing holes, greater than the radial dimension of the fixing holes.
Nº publicación: US20260331674A1 22/10/2026
Solicitante:
MILWAUKEE ELECTRIC TOOL CORP [US]
MILWAUKEE ELECTRIC TOOL CORPORATION
Resumen de: US20260331674A1
0000 A battery pack may include a casing configured to couple to a power tool. A battery pack may include a cell frame supported within the casing, the cell frame including a plurality of receptacles to secure a plurality of interconnected battery cells. A battery pack may include an outer housing at least partially surrounding the casing and the cell frame, the outer housing including protrusions extending through the casing and contacting the cell frame, the protrusions defining multiple points of contact between the casing and the outer housing, wherein the protrusions are positioned and configured to integrate the casing and the outer housing together to form a unitary structure.
BOPI
Sede Electrónica
