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1392
resultados
Última actualización
27/04/2026 [08:12:00]
Resultados 100 a 125 de 1392
Resumen de: US20260110745A1
0000 An approach to control or monitoring of battery operation makes use of a recurrent neural network (RNN), which receives one or more battery attributes for a Lithium ion (Li-ion) battery, and determines, based on the received one or more battery attributes, a state-of-charge (SOC) estimate for the Li-ion battery.
Resumen de: AU2026202568A1
The present invention relates to a cleaning apparatus. The cleaning apparatus according to one aspect comprises: a suction inlet; a suction motor which generates suction power for allowing air to be sucked in along the suction inlet and comprises a rotationally operating impeller; a dust separation unit provided with one or more cyclone units which generate cyclonic flow so as to separate dust from air which has been introduced through the suction inlet; a dust container which stores dust separated by the dust separation unit and is positioned under the suction motor; a battery which supplies power the suction motor and is positioned behind the dust container; and a handle disposed behind the suction motor, wherein the rotation axis of the impeller and the axis of the cyclonic flow extend vertically, and the extension line of the rotational axis of the impeller passes through the one or more cyclone units. pr p r
Resumen de: WO2026081748A1
The present application relates to the technical field of batteries. Disclosed is a battery. The battery comprises: a casing comprising a terminal assembly; and a cylindrical jelly roll comprising a jelly roll body and a plurality of tabs led from the jelly roll body, wherein the tabs are configured to be electrically connected to the terminal assembly or the casing; the plurality of tabs are distributed in a plurality of layers in the radial direction of the jelly roll body; the width of a single tab is E, satisfies: 2mm≤E≤9mm; and the difference between the maximum thickness and the minimum thickness of the jelly roll body is d, and the number of wound layers of the jelly roll body is n and satisfies: 0.08≤d·n≤0.9. By comprehensively controlling the relationship between the difference d between the maximum thickness and the minimum thickness of the jelly roll body and the number n of wound layers of a battery cell, the battery provided in the present application can ensure the alignment of the tabs in the radial direction of the battery cell as much as possible, thereby effectively reducing tab misalignment, such that gaps between front and rear layers after winding are more uniform, an effective welding area is ensured, and the overcurrent capability is guaranteed.
Resumen de: WO2026081300A1
A battery cell and a preparation method therefor, and a lithium-ion battery, which relate to the technical field of secondary battery materials. In the provided battery cell, a safety coating is introduced into a positive electrode sheet, and the capacity contributed by a first active material in the safety coating is defined. The first active material not only reduces the possibility of contact between a positive electrode and a negative electrode and improves the mechanical safety performance of the battery cell, but also contributes a certain capacity, such that the N/P ratio (the ratio of a negative electrode capacity to a positive electrode capacity) of the battery cell is reduced, the potential of the positive electrode at a fully charged state is lowered, and the thermal abuse performance and cycling performance of the battery are improved. Finally, by means of defining relevant parameters, a battery cell, which has mechanical safety performance, hot box performance and cycling performance, and can improve the low-temperature discharge performance and the rate discharge performance, is provided without changing an original process.
Resumen de: WO2026081298A1
The present invention relates to the technical field of secondary battery materials. Disclosed are a safety coating and the use thereof, an electrode sheet and a lithium-ion battery. By limiting the particle size of an inorganic filler in the safety coating, particle size grading is achieved, which enables the safety coating to have a compact structure, thereby reducing the probability of contact between positive and negative electrodes and thus improving the safety performance of a battery cell. Moreover, the amount of the binder in the safety coating is optimized to promote the electrolyte absorption of the safety coating, which can improve the rate capability, the low-temperature discharge performance and the cycle performance of a battery cell. Ultimately, in the present invention, by limiting the particle size of the inorganic filler and selecting the binder, the rate capability, low-temperature discharge performance and cycle performance of a battery cell can be improved while the safety performance of the battery cell is enhanced.
Resumen de: WO2026081445A1
The present application relates to the technical field of electrochemistry, and specifically discloses a positive electrode sheet, a secondary battery, and an electric device. A positive electrode active material of the positive electrode sheet in the present application comprises a manganese-containing phosphate material. The positive electrode sheet satisfies the following relational expression: 0.08≤(A×H)/IAl≤27, wherein A is the content of manganese in the positive electrode active material, H is the growth rate of hydrogen ion content when the positive electrode sheet is immersed in a mixed solution, and IAl is the difference between the peak intensities of aluminum element characteristic peaks in an XPS spectrum when XPS analysis is performed on the positive electrode sheet at different depths. By comprehensively controlling the content of manganese in the positive electrode active material, the hydrogen ion growth characteristics of the positive electrode sheet, and the Al peak intensities at different depths of the electrode sheet, the present application significantly mitigates the gas generation problem of the secondary battery comprising the positive electrode sheet, and achieves low increase rate of internal resistance of the battery after cycling.
Resumen de: WO2026081471A1
A cylindrical battery device. The cylindrical battery device comprises a case (1) and batteries (2), the batteries (2) are fixed in the case (1) by means of an adhesive layer, the adhesive layer includes a first adhesive layer (3), the first adhesive layer (3) is at least partially arranged between adjacent batteries (2), the first adhesive layer (3) comprises an inorganic foamed potting adhesive, and the first adhesive layer (3) satisfies the following relational expression: F=(100-H)/(d×(2-μ)×C)×k, wherein F is the thermal runaway rate of the inorganic foamed potting adhesive, and the value range of F is 0%-10%; H is the hardness of the cured inorganic foamed potting adhesive; C is the density of the cured inorganic foamed potting adhesive; d is the battery spacing, and the value range of d is 0.5-4 mm; μ is the flatness of battery casings, and the value range of μ is 0-1 mm; and k is a constant. The batteries (2) in the cylindrical battery device can be effectively supported, and the probability of thermal runaway can be reduced, thereby ensuring the insulation of the batteries (2), and improving the performance of the batteries (2).
Resumen de: WO2026082000A1
In order to overcome the problem in the existing technology that a non-fluorinated separator binder has low bonding force, resulting in low bonding strength between an electrode sheet and a composite separator prepared and obtained by using the separator binder, a composite separator and a lithium-ion battery are provided. The composite separator comprises a base film, a non-conductive particle coating layer located on the surface of the base film, and a bonding layer located on the surface of the non-conductive particle coating layer. The bonding layer comprises a separator adhesive, the separator adhesive comprising a granular polymer, and the average particle size D1 of the granular polymer being 0.2-6μm. The non-conductive particle coating layer comprises non-conductive particles, and the average particle size D2 of the non-conductive particles is 0.1-2μm. The average particle size D1 of the granular polymer and the average particle size D2 of the non-conductive particles satisfy: D1/D2≥0.4. The composite separator has both excellent air permeability and bonding strength with an electrode sheet.
Resumen de: WO2026081434A1
The present invention provides a silicon-carbon composite negative electrode material and a preparation method therefor. The silicon-carbon composite negative electrode material is obtained by depositing silicon-containing particles on pores and surfaces of porous carbon, and then performing surface carbon coating. In an XPS Si 2p spectrum of the silicon-carbon composite negative electrode material, the surface of the material satisfies: 0.4
Resumen de: WO2026081849A1
Disclosed in the present invention is a battery pack. The battery pack comprises a case, a battery assembly, and a battery pack disconnect unit; the case is internally provided with a battery compartment and an electrical compartment separated by a partition beam; the battery assembly is arranged in the battery compartment, and the battery pack disconnect unit is arranged in the electrical compartment; the battery pack disconnect unit comprises a housing, a circuit board, and electronic components connected to the circuit board, the circuit board is arranged in the housing, and the electronic components are arranged on board surfaces on both sides of the circuit board. By applying the present solution, the board surface area of the circuit board of the battery pack disconnect unit can be reduced, the space occupied by the battery pack disconnect unit in the battery pack can be reduced, the size of the electrical compartment can be effectively decreased, and more of the accommodating space in the case of the battery pack can be allocated to the battery compartment, thereby providing strong technical support for improving the overall battery energy density.
Resumen de: WO2026081749A1
A cylindrical battery, comprising a cover plate assembly and a battery cell. The cover plate assembly comprises a cover plate body (1) provided with through holes (11); the projection of a wound core hole on the cover plate body (1) is staggered from the through holes (11); at least part of each pole (2) passes through a through hole (11); the poles (2) are fixedly connected to the cover plate body (1) by means of the through holes (11); each current collector disc (3) comprises a pole welding portion (31) and a tab welding portion (32); the pole welding portion (31) is welded to a pole (2); a first step portion (33) is provided between the tab welding portion (32) and the pole welding portion (31); a support member or a tooling fixture can be used at the first step portion (33) to abut against the current collector disc (3), so as to facilitate welding between the pole (2) and the current collector disc (3).
Resumen de: US20260112683A1
0000 A lithium-ion battery cell includes an anode having a plurality of spaced apart lithium storage layer segments in electrical contact with the anode current collector, wherein the lithium storage layer segments include at least 40 atomic % silicon, tin, germanium; or a combination thereof. The cell includes a cathode having a cathode active material layer in electrical contact with a cathode current collector. The cell also includes a lithium-ion-containing solid-state electrolyte (SSE) that is i) interposed between the plurality of spaced apart lithium storage layer segments and the cathode active material, and ii) provided at least partially within gaps separating the spaced apart lithium storage layer segments. Methods of making the lithium-ion battery cell are also described.
Resumen de: US20260113110A1
Provided is an inspection device configured to check a communication status of a battery management device, the inspection device including a base member, a distance changing part that is placed on the base member and equipped with a first battery management device comprising a first optical transceiver, and configured to move in a first axis direction, and an angle changing part that is placed on the base member and equipped with a second battery management device comprising a second optical transceiver, and comprises a first rotation structure configured to rotate around a second axis orthogonal to the first axis and a second rotation structure configured to rotate around a third axis orthogonal to the first axis and the second axis, wherein the first optical transceiver and the second optical transceiver are placed to be facing each other.
Resumen de: US20260109067A1
0000 The present disclosure provides a slotting mechanism and a battery production device. The slotting mechanism includes: a base; and a slotting assembly movably provided on the base along a first direction to approach or move away from a cell, and to provide slots positioned radially on an end face of the cell.
Resumen de: US20260112771A1
0000 A secondary battery including a terrace portion formed along a perimeter of an accommodation portion of an outer casing and having a sealing portion with a portion of a width thereof sealed a lead film disposed between and electrode lead and the outer casing, a gas guide portion disposed between the electrode lead and the lead film and including a permeable portion on an outer side of the sealing portion and a gas channel extending from the permeable portion toward the electrode assembly via the sealing portion. A reinforcing film on the lead film to covers a portion of the permeable portion. The reinforcing film includes an insertion portion occupying a portion of the width of the sealing portion, and the insertion portion is a region in which one end of the reinforcing film extends in an inward direction and is inserted between the outer casing and the lead film.
Resumen de: US20260112694A1
0000 A polymer electrolyte can be formed from (e.g., by polymerizing) a mixture that includes oligomer(s), additive(s), solvent(s), salt(s), and/or any suitable components. The polymer electrolyte can further or alternatively include monomer(s) (e.g., a stiffening monomer that in solution or incorporated into a cured polymer modifies a mechanical property such as flexural modulus of the battery cell; adhesion monomers such as a monomer that interacts with one or more surface within a battery to modify or improve adhesion of the electrolyte and the surface; etc.).
Resumen de: WO2026081196A1
The present application discloses a battery cell, a battery device, and an electric device. The battery cell comprises an electrode assembly and an electrolyte solution; the electrode assembly comprises a positive electrode sheet and a negative electrode sheet; the positive electrode sheet comprises a positive electrode film layer; the positive electrode film layer comprises a positive electrode active material; the positive electrode active material comprises an olivine-structured lithium-containing phosphate; the single-sided coating weight of the positive electrode film layer is 180 mg/1540.25 mm2 to 380 mg/1540.25 mm2; the negative electrode sheet comprises a negative electrode film layer; the negative electrode film layer comprises a negative electrode active material; the negative electrode active material comprises a silicon-based material; based on the mass of the negative electrode active material, the mass content of a silicon element is 0.3%-10.0%; the electrolyte solution comprises a first additive; the first additive comprises at least one of vinylene carbonate and an ethylene carbonate derivative; and based on the total mass of the electrolyte solution, the mass content of the first additive is 1%-12%.
Resumen de: WO2026085067A1
A fishing rod assembly for electrically powered fishing reels includes an integrated battery power source located in a removable rod butt of the fishing rod. The rod butt assembly of the fishing rod interfaces with the bottom end of the reel seat with mating male/female ferrule and electrical connectors. A wiring harness extends up through the inside of the reel seat to a power connector egress body located above the reel seat.
Resumen de: AU2024362818A1
The invention relates to a method for extracting residual lithium from a set of one or more electrical energy storage cells, in particular an electric battery, comprising residual solid metallic lithium, in a secure manner, as well as an integral method for extracting lithium from a set of one or more electrical storage cells, in particular an electric battery, which comprises solid metallic lithium, implementing the method for extracting residual lithium. It also relates to a unit for extracting residual lithium implementing the method for extracting residual lithium.
Resumen de: AU2024361183A1
A battery management apparatus according to an embodiment disclosed herein includes: an acquisition unit for acquiring the voltages of a plurality of battery cells; and a controller for calculating a voltage profile for the voltage of each of the plurality of battery cells, calculating the slopes of the voltage profiles by linearly fitting the voltage profiles in a predetermined time interval, and diagnosing the state of each of the plurality of battery cells on the basis of the slope of the voltage profile of each of the plurality of battery cells.
Resumen de: WO2026082330A1
An assembly line comprises a transport route for conveying first, second, and third workpiece carriers through process stations. Each first workpiece carrier is designed and equipped to receive at least one first electrode stack, a second electrode stack, and a supplied cover on a support of the workpiece carrier in a first process station and to fix them as a package. The electrode stacks and the cover with its associated positive and negative poles and respective contacts contact a first and a second connection tab of the two electrode stacks. The fixed package is fed to a measuring to measure the position and alignment of the package on the support and to signal this to a control system for the transport route. The package is fed to a trimming station to trim the first and second connection tabs of the electrode stacks and the contacts of the cover. The package is fed to a connecting station to connect the first and second connection tabs of the electrode stacks and the respective contacts of the cover to each other. The package is transferred to one of the second workpiece carriers in the second process station. Each of the second workpiece carriers feeds the package to an inspection station to inspect the package for properties and manufacturing details, feeds the inspected package to an insulation station to electrically insulate at least some areas of the package, and transfers the package to one of the third workpiece carriers in the third process station. Each of the
Resumen de: WO2026084166A1
The present invention relates to a solid electrolyte for an all-solid-state battery and an all-solid-state battery comprising same. The solid electrolyte for an all-solid-state battery, according to one embodiment of the present invention, is composed of an oxide material containing Li, B, Al, Cl, and an alkaline earth metal.
Resumen de: WO2026084290A1
The present invention relates to a hybrid NV-quantum-sensor-type lithium-ion battery internal-space temperature and pressure sensing and control apparatus and method, comprising a battery temperature sensing NV quantum sensor and a battery pressure sensing NV quantum sensor, the battery internal-space temperature and pressure sensing and control apparatus coming in contact with the outer surface of a lithium ion battery so as to sense and control the current temperature and pressure of the internal space of the lithium ion battery through spin changes of quantum dots centered on NV composed of nitrogen atoms and vacancy defects within a diamond lattice structure.
Resumen de: US20260112619A1
Disclosed is a lithium secondary battery. The lithium secondary battery includes a negative electrode having a discharge potential of 0 V or higher and 1.5 V or lower (vs Li/Li+), a residual negative electrode capacity of 2.5% or greater as defined by a specified formula, and a cut-off potential lower than a discharge potential.
Nº publicación: US20260112899A1 23/04/2026
Solicitante:
TOYOTA JIDOSHA KK [JP]
Resumen de: US20260112899A1
A power supply system includes: a first battery; a second battery having the same configuration as the first battery; auxiliary equipment connected to a low-voltage power line connected to an auxiliary battery; a series-parallel switching circuit configured to switching connection of the first and second batteries between series connection and parallel connection by turning on and off a plurality of relays; and a power converter connected to the series-parallel switching circuit and the low-voltage power line. When the first battery and the second battery are to be charged with power from a power generator, the first and second batteries are connected in series and charged when power consumption of the auxiliary equipment is equal to or greater than predetermined power, and the first and second batteries are not connected in series and are charged when the power consumption of the auxiliary equipment is less than the predetermined power.
BOPI
Sede Electrónica
