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586
resultados
Última actualización
25/08/2026 [07:49:00]
Resultados 225 a 250 de 586
Resumen de: WO2026171119A1
Disclosed are a waste battery material powder, and a preparation method therefor and a use thereof, relating to the technical field of battery recycling. The waste battery material powder comprises a metal compound powder and an elemental carbon material, the content percentage of carbon in the waste battery material powder is 10-40 wt%, and ID/IG≤0.5, wherein ID and IG are respectively the intensity of a D-band characteristic peak and the intensity of a G-band characteristic peak in a Raman spectrum of the waste battery material powder. The waste battery material powder has a low ID/IG value, which means that the waste material powder has low amorphous carbon content and graphite has low degree of oxidation. The waste battery material powder meeting the requirements that the content percentage of carbon is 10-40 wt% and ID/IG≤0.5 exhibits a good metal recovery rate in a hydrometallurgy process, and obtained graphite residue exhibits good regeneration capacity.
Resumen de: WO2026171224A1
The present application relates to the technical field of batteries. Disclosed are a battery cell and a battery pack. The battery cell comprises an electrode assembly. The electrode assembly is provided with internal tabs. The internal tabs comprise a positive tab and a negative tab which are arranged at two ends of the electrode assembly, respectively, wherein the width of the positive tab is defined as b in units of mm, the number of layers of electrode sheets of the positive tab is m, and the thickness of an electrode sheet foil of the positive tab is t1 in units of μm; and the width of the negative tab is defined as c in units of mm, the number of layers of electrode sheets of the negative tab is n, and the thickness of an electrode sheet foil of the negative tab is t2 in units of μm, satisfying 1.5≤mbt1/nct2≤2.2. The battery cell provided by the present application can ensure that the sizes of the positive tab and the negative tab are rationally matched, and the current-carrying capacity of the positive tab is equivalent with that of the negative tab during a charging and discharging process of the battery cell. Moreover, when heat from a major surface of the electrode assembly flows towards the tab in the direction of length of the battery cell, the heat at the root of the tab will not cause excessive temperature rise at the tab due to excessive concentration, ensuring that the temperature of the entire battery cell is evenly transferred at the major surface and t
Resumen de: WO2026171220A1
The present application relates to the technical field of batteries, and discloses a battery cell and a battery pack. The battery cell comprises: an electrode assembly, tabs being provided at the end portions of the electrode assembly; and a packaging film, wrapping the outer side of the electrode assembly and forming a packaging edge around the electrode assembly, wherein a packaging area is provided at the packaging edge, the width of the packaging area is W1, the range of W1 is 0.8 mm≤W1≤50 mm, and each tab has one end located in the packaging film and the other end extending out of the packaging edge. In the present application, the width W1 of the packaging area is set according to the described parameters, so that on the one hand, the width W1 of the packaging area can be prevented from being excessively small, causing poor sealing performance of the packaging film; and on the other hand, the width W1 of the packaging area can be prevented from being excessively large, causing material waste and excessive occupation of space, thereby affecting the energy density of the battery cell.
Resumen de: US20260245902A1
0000 A phosphate-based cathode material, a preparation method therefor, and a use thereof are provided. The phosphate-based cathode material includes a matrix particle and a carbon coating layer coated on a surface of the matrix particle. A chemical formula of the matrix particle is Li
Resumen de: US20260245870A1
A solid-state battery includes a positive electrode layer, a solid electrolyte layer, and a negative electrode layer in this order. The negative electrode layer has a negative electrode current collector and a negative electrode active material layer in this order, in a direction from the negative electrode layer toward a side of the solid electrolyte layer. When the solid-state battery is at full charge, the negative electrode active material layer has an Li layer, an Li—Mg layer, or an Li—Mg—X layer and an Li—X layer in this order, in the direction from the negative electrode layer toward the side of the solid electrolyte layer. X is at least one selected from the group consisting of Sn, Zn, and Al. The Li—X layer is formed on a surface of the solid electrolyte layer.
Resumen de: US20260245996A1
A method for determining an ageing of a single battery cell in a lithium-ion battery composed of a plurality of single battery cells includes recording a cell thickness change of the single battery cell over a charging state and evaluating a curve of the cell thickness change over the charging state during charging and discharging of the single battery cell. The evaluating includes determining a silicon ageing by evaluating a plateau hysteresis of the cell thickness change between a charging plateau and a discharge plateau of the curve, determining a graphite ageing by evaluating a height of the discharge plateau, and/or determining a manganese-nickel-cobalt ageing by evaluating a maximum of the cell thickness change over the charging state.
Resumen de: US20260245973A1
0000 A battery including: an electrode group in which a band-like positive electrode plate and a band-like negative electrode plate are wound with a separator therebetween; an electrolyte; and an outer can. The positive electrode plate, in which a positive electrode mix layer is formed on a band-like positive electrode core, comprises: a positive electrode tab which is connected to an area on one end side of the positive electrode core and not extending beyond the center in the width direction of the positive electrode plate; and a dummy tab which is connected to an area on the other end side of the positive electrode core and not extending beyond the center in the width direction of the positive electrode plate. When the positive electrode plate is viewed in the width direction, the dummy tab is disposed to overlap at least a part of the positive electrode tab.
Resumen de: US20260245907A1
0000 There is provided a conductive composite for a lithium-ion secondary battery, which is a composite of a polymer and a conductive material, where in a case where an aqueous dispersion of the composite is subjected to a particle diameter measurement by a dynamic light scattering method, a 50% cumulative diameter is 140 nm or more and 320 nm or less, and a 90% cumulative diameter is 700 nm or more and 3,400 nm or less.
Resumen de: US20260244548A1
The present disclosure provides a monitoring device operable to report sensor measurement data in a battery system. The monitoring device comprising: at least one sensor operable to obtain measurement data of one or more modules of the battery system; a receiver operable to receive, from a communications controller, a timing signal defining a transmission time of a reporting frame; and a transmitter operable to report the obtained measurement data to the communications controller; wherein the monitoring device is configured to: use the received timing signal to select a sampling time for the at least one sensor to obtain the measurement data of the one or more modules of the battery system; and transmit the obtained measurement data to the communications controller at the transmission time defined in the received timing signal.
Resumen de: US20260246023A1
A heat transfer suppression sheet contains at least one kind of fiber selected from an inorganic fiber and an organic fiber, and a liquid repellent substance having a surface tension smaller than a surface tension of water. The heat transfer suppression sheet may contain inorganic particles, and at least a part of the inorganic particles may be the liquid repellent substance.
Resumen de: US20260246022A1
A heat transfer suppression sheet contains an inorganic particle and an organic fiber. A surface of the heat transfer suppression sheet has a first region and a second region, the first region containing a stripe-like fiber bundle composed of the organic fibers, and the second region does not contain the fiber bundle. The first region may contain the stripe-like fiber bundle passing through at least three continuous virtual frames, each frame being a 5 mm square.
Resumen de: WO2026170641A1
The present application relates to the technical field of lead-acid batteries, and provides a plate group assembly and a lead-acid battery. The plate group assembly comprises grids, a first busbar, a second busbar and a casing structure; tabs are fixed to the tops and bottoms of the grids; the tabs at the tops of the multiple grids are electrically connected by means of the first busbar, and the tabs at the bottoms of the multiple grids are electrically connected by means of the second busbar; the multiple grids are all mounted in the casing structure; a mounting hole is provided in a side wall of the casing structure; the mounting hole extends from the top of the casing structure to the bottom thereof; a conductive member is provided in the mounting hole; by means of the conductive member, the first busbar and the second busbar are electrically connected. In the plate group assembly, the tabs are provided on both the tops and bottoms of the grids, and the conductive member is used to electrically connect the first busbar to the second busbar, thus not only reducing the potential difference between the tops and bottoms of the grids and improving the utilization rate of active materials in the middles and bottoms of the grids, but also allowing the current density distribution on the grids to be more uniform and thus improving the capacity of a battery and prolonging the cycle life thereof.
Resumen de: WO2026170783A1
The present disclosure relates to the technical field of battery management. Provided are a method, apparatus and device for controlling a circulating current of a multi-branch parallel battery pack under a discharge operating condition, and a storage medium. The method for controlling a circulating current of a multi-branch parallel battery pack under a discharge operating condition comprises: detecting the duration of a discharge operating condition of a multi-branch parallel battery pack; when the duration of the discharge operating condition is longer than a preset duration, determining a target discharge current limit on the basis of an inter-branch discharge current difference, a maximum allowable discharge current, the minimum cell voltage of the branch having the maximum discharge current, the current discharge power and the number of branches; and when the duration of the discharge operating condition is shorter than or equal to the preset duration, determining the target discharge current limit on the basis of the inter-branch discharge current difference, the maximum allowable discharge current, and the minimum cell voltage of the branch having the maximum discharge current. The present disclosure can reduce the influence of a circulating current caused by the termination of a discharge operating condition.
Resumen de: US20260245956A1
The present disclosure relates to a positive electrode for an all-solid-state battery that can improve the performance of the battery by physically optimizing the properties of the positive electrode that directly affect the lifetime and capacity expression of the battery, and an all-solid-state battery comprising same. The positive electrode for an all-solid-state battery comprises a positive electrode active material, a solid electrolyte and a binder, wherein the positive electrode active material is included in the positive electrode more than 70% by weight.
Resumen de: US20260245895A1
0000 Embodiments of the present disclosure provide a lithium secondary battery. A lithium secondary battery according to exemplary embodiments includes a cathode including a cathode active material including first cathode active material particles and second cathode active material particles that are different from the first cathode active material particles and are represented by Formula 2, and an anode disposed to face the cathode and including an anode active material including a silicon-based active material.
Resumen de: US20260242646A1
Two-component thermally conductive adhesive with high conductive filler loading.
Resumen de: US20260245986A1
0000 Provided are new electrode constructions that allow for improved energy density and robust structure, optionally without the presence of surface cracks. The electrodes as provided include an electrode active material, the electrode active material optionally comprising carbon at 75 wt % or greater, a current collector optionally incorporated into said electrode active material, and a first fluid permeable sheet layer on or in a first surface of the electrode active material. The presence of the fluid permeable sheet layer as provided herein allows for manufacture of electrodes with high levels of active material without formation of flaws, optionally surface cracking, that interrupt the energy storage or delivery characteristics of the resulting electrode.
Resumen de: US20260246288A1
A holding device includes a holding portion including a first portion and a second portion, the first portion holding a first surface of a storage device, the first surface facing a first direction, the second portion holding a second surface of the storage device and facing a second direction which intersects the first direction, the holding portion holding the storage device to be detachable. The holding device includes a bottom portion which faces a placement surface when the holding device is placed. An internal space is formed inside the holding device, the internal space including a first space and a second space, the first space being defined by the first portion and the bottom portion, the second space being defined by the second portion and the bottom portion and communicating with the first space. The holding device includes, in the second space, an air-flow generator which promotes a flow of air passing through the first space and the second space.
Resumen de: US20260241915A1
0000 In a series hybrid vehicle, a controller (6) perform power generation by an internal combustion engine (2) when an SOC of a battery (5) decreases to an SOC lower-limit target value, and ends the power generation when the SOC reaches an SOC upper-limit target value. When a destination is set in a car navigation system (14), a required maximum output of the battery (5) that is predicted on the route to the destination is obtained, and a severity level of the battery (5) is obtained by considering the correlation between battery output and the SOC that corresponds to the battery temperature. When the severity level is low, a low SOC lower-limit target value is selected to extend the distance and time during which EV traveling can continue.
Resumen de: US20260245111A1
0000 An object of the invention is to provide a technique capable of appropriately selecting a measure with a high economic effect and an implementation timing thereof as a measure to be implemented when a secondary battery deteriorates. A battery deterioration degree management system according to the invention calculates a cost necessary for implementing a measure against a decrease of a state of health of a battery based on cost data describing a cost along with implementation of the measure, and determines the measure having a high economic effect and an implementation timing thereof based on the cost (see FIG. 4).
Resumen de: US20260245898A1
0000 Provided are a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises Na<4-a>AFe<3-c>B
Resumen de: WO2026171222A1
The present application relates to the technical field of batteries, and discloses a soft package battery and a battery pack. The soft package battery comprises: an electrode set, a first packaging film, and a second packaging film. The first packaging film is provided with an accommodating recess used for mounting the electrode set, and the electrode set is arranged in the accommodating recess; the second packaging film is arranged opposite to the first packaging film, a packaging region surrounding the periphery of the accommodating recess is reserved on each of the second packaging film and the first packaging film, and the packaging regions are fixed by means of hot-melt plastic packaging, so as to package the electrode set in the accommodating recess; and the depth of the accommodating recess is H, the thickness of the first packaging film is T1, the thickness of the second packaging film is T2, the thickness of the soft package battery is T3, and it is satisfied that (T3-T1-T2)/1.1≤H≤(T3-T1-T2)/0.9. In the present application, the relationship among the depth of the accommodating recess, the thickness of the first packaging film, the thickness of the second packaging film, and the thickness of the soft package battery is defined, so that the depth of the accommodating recess is maintained within an appropriate range, thereby improving the mounting effect of the electrode set.
Resumen de: US20260245915A1
0000 A sodium-ion battery cell, a secondary battery, and an electric device are provided. The sodium-ion battery cell includes a cylindrical casing defining an accommodating cavity and an electrode assembly disposed within the accommodating cavity. The electrode assembly includes a negative electrode sheet comprising a negative electrode current collector and a negative electrode active layer disposed on at least one surface of the negative electrode current collector. The negative electrode current collector has a density less than or equal to 5.0 g/cm<3>. A group margin of the sodium-ion battery cell satisfies 0.95≤group margin<1, where the group margin is a ratio of a diameter of the electrode assembly to a diameter of the accommodating cavity.
Resumen de: US20260241410A1
A slot die coater includes a die block including a first block with a manifold accommodating a coating liquid, a second block on the first block, and a coater shim between the first block and the second block. The coater shim includes a master shim including a first guide plate and a second guide plate spaced apart from each other in a first direction with the manifold therebetween. The manifold is not covered with the first guide plate and the second guide plate. A first auxiliary shim is provided on one side of the first guide plate and includes a first inner region overlapping a first edge portion of the manifold. A second auxiliary shim is provided on one side of the second guide plate and includes a second inner region overlapping a second edge portion of the manifold.
Nº publicación: US20260242231A1 20/08/2026
Solicitante:
JIUJIANG TINCI MATRIALS TECH CO LTD [CN]
JIUJIANG TINCI MATRIALS TECHNOLOGY CO., LTD.
Resumen de: US20260242231A1
0000 The present application provides a lithium fluoride, a preparation method therefor and use thereof, where a mass content of carbonate in the lithium fluoride is less than or equal to 1000 mg/kg; a D10 of the lithium fluoride is less than or equal to 10 μm, a D50 is less than or equal to 20 μm, and a bulk density ranges from 0.9 g/cm<3 >to 1.2 g/cm<3>.
BOPI
Sede Electrónica
