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1363
resultados
Última actualización
13/09/2025 [07:35:00]
Resultados 1100 a 1125 de 1363
Resumen de: WO2025179802A1
A battery (100) and an electric device. The battery (100) comprises a case (10), battery cells (20), a thermal management assembly (30), a conductive member (40), and a buffer structure (50). The case (10) is provided with an accommodating cavity (10a). The battery cells (20) are arranged in the accommodating cavity (10a). The thermal management assembly (30) is arranged in the accommodating cavity (10a) and is configured to perform heat exchange with the battery cells (20), and the thermal management assembly (30) comprises at least two heat exchange members (31). The conductive member (40) is electrically connected between each heat exchange member (31) and the case (10). The buffer structure (50) is arranged on at least one of the conductive member (40) and the heat exchange members (31), and the buffer structure (50) is configured to enable the conductive member (40) to always keep in contact with each heat exchange member (31) when the conductive member (40) is deformed. The structure can improve the safety performance of the battery (100).
Resumen de: WO2025180529A1
The present disclosure provides a tray of a liquid cooling box, and a liquid cooling box. The tray comprises a main body part and at least one reinforcing rib; the reinforcing rib is arranged in a mounting part of the main body part and protrudes relative to the surface of the main body part; and the reinforcing rib and/or the main body part is provided with recesses recessed in the thickness direction of the tray. By providing the reinforcing rib, the structure of the tray can be reinforced, thereby improving the structural strength of the tray; in addition, the reinforcing rib can further support an object to be mounted in the mounting part, thereby reducing the possibility of deformation of said object.
Resumen de: WO2025180503A1
A dioxaphospholane electrolyte additive, an electrolyte, and a lithium-ion battery. The dioxaphospholane electrolyte additive has high solubility and low cost, and, when added to an electrolyte, can form a stable interfacial film at the positive and negative electrode interfaces of the battery, thereby better protecting the electrodes, reducing the generation of byproducts from the electrolyte at the positive and negative electrodes during cycling, suppressing the increase of positive and negative electrode impedance, enhancing the cycle life of the lithium-ion battery, and inhibiting DCR increase during cycling.
Resumen de: WO2025180140A1
A battery (1000), comprising a metal case (100) and a battery cell assembly (200). The battery cell assembly (200) is accommodated in the metal case (100), and the battery cell assembly (200) comprises a first tab (220) and a battery cell body (230) which are electrically connected to each other. The first tab (220) fits against an inner surface of the metal case (100) and is welded to the metal case (100).
Resumen de: WO2025180216A1
A battery pack and a vehicle comprising same. The battery pack (100) comprises: battery groups (1), wherein each battery group (1) comprises two battery cell groups (11) disposed spaced apart from each other in a third direction, each battery cell group (11) comprises a plurality of battery cells (111) arranged in a second direction, and the second direction is perpendicular to the third direction; and a plurality of acquisition circuit boards (4), wherein each battery cell group (11) corresponds to at least one acquisition circuit board (4), and the corresponding plurality of acquisition circuit boards (4) in a same battery group (1) are respectively located on the sides of two battery cell groups (11) close to each other.
Resumen de: WO2025180459A1
The present application provides a positive electrode material, and a preparation method therefor and a use thereof. The positive electrode material comprises an inner core and a coating layer arranged on at least part of the surface of the inner core; the inner core comprises oxide of LinNixCoyMnzMmO2, and the coating layer comprises an Sr element and an L element, wherein M is selected from at least one of Zr, Y, Al, Mo, Ta, Ti, Mg, and B, 0.9≤n≤1.2, 0.8≤x≤1, 0≤y≤0.2, 0≤z≤0.2, 0≤m≤0.05, and x+y+z=1; L is selected from at least one of Al, Ti, B, Zr, Ce, and W; and the mass ratio of the Sr element to a Ni element in the positive electrode material is a, the mass ratio of the Sr element to the Ni element in the coating layer is b, and b/a≥140. The positive electrode material has excellent capacity and stability.
Resumen de: WO2025183258A1
The present disclosure relates to a device for diagnosing a battery and a method therefor. The device for diagnosing a battery, according to one embodiment, can input, into a diagnosis model, a first impedance value measured while an alternating current signal of a first frequency is applied to a first battery cell to be diagnosed, and determine, on the basis of state data that is output from the diagnosis model, whether the first battery cell is defective. The diagnosis model can comprise: a first artificial neural network for predicting, on the basis of the first impedance value, a second impedance value while an alternating current signal of a second frequency is applied to the first battery cell; and a second artificial neural network for outputting, on the basis of the second impedance value, the state data indicating whether the first battery cell is defective.
Resumen de: WO2025183257A1
The present invention relates to an all-solid-state battery and, more specifically, to an all-solid-state battery comprising: a plurality of unit structures; and an elastic pad disposed between adjacent unit structures among the plurality of unit structures. Each of the plurality of unit structures includes a first bi-cell and a second bi-cell that are adjacent to each other, the first bi-cell includes a lithium deposition-type first anode layer, and the second bi-cell includes a lithium-impregnated second anode layer.
Resumen de: WO2025184237A1
Circuits and methods are provided that more effectively and efficiently implement a parallel charging circuit. First and second charging circuits are configured in parallel between a power supply and a load. A controller circuit monitors temperature signals received from the first and second charging circuits and controls the relative charging currents sourced by each of the first and second charging circuits to maintain temperature balance between them, and to ensure that the first and second charging circuits reach their respective maximum thermal temperatures at the same time.
Resumen de: WO2025184200A1
A rechargeable, proton-insertion battery can include a cathode, an anode, a separator, and an electrolyte. The cathode includes an active material that includes an additive. The additive can include compound(s) forms of elements such as titanium, nickel, bismuth, or combinations thereof. The anode can comprise one or more anode additives that can include insoluble hydroxides, zincates, oxides such as calcium hydroxide, calcium zincate, bismuth oxide, zinc oxide, or combinations thereof.
Resumen de: WO2025183193A1
A positive electrode mixture including: a conductivity aid that is a carbon material; a sulfur-based active material; and a solid electrolyte, wherein the variation in luminance intensity in the same field of view is 0.250 or less in a secondary electron image from a scanning electron microscope, and at least part of the solid electrolyte is crystalline with the crystallite diameter thereof being 90 nm or less.
Resumen de: WO2025183179A1
This solid electrolyte has a first region and a second region having a composition different from that of the first region. The first region contains a compound containing lithium, zirconium, oxygen, halogen, and sulfur. The second region has a composition ratio of sulfur and oxygen of 80 wt% or more when the composition is analyzed by scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDX) analysis. When this solid electrolyte is X-ray-diffraction-measured using Cu-Kα rays, a first diffraction peak is detected in a diffraction angle range of 28.2 ± 0.4°.
Resumen de: WO2025179894A1
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 a positive electrode active host material and a fluorine-phosphorus compound admixed in the positive electrode active host material, wherein the positive electrode active host material comprises lithium nickel cobalt manganese oxide or/and lithium nickel cobalt aluminum oxide. By admixing the fluorine-phosphorus compound with the positive electrode active material, the positive electrode active material is modified, the service life at a high temperature is prolonged, and the electrochemical performance of a battery is optimized.
Resumen de: WO2025179773A1
The present application discloses laser drying equipment. The laser drying equipment is used for drying battery electrode sheets; the laser drying equipment comprises a mounting box, a light source module, a transmission module, an exhaust module, and a measurement module; the light source module can emit laser and form laser coverage areas inside a closed cavity; the transmission module can drive battery electrode sheets to be dried to move to the laser coverage areas, so that laser beams can dry the battery electrode sheets; the exhaust module comprises an exhaust port; the measurement module comprises a first measurement part and a second measurement part; the first measurement part can measure the temperature of the battery electrode sheets in a drying process; and the second measurement part can measure the concentration of solvent vapor at the exhaust port. The technical solution of the present application prevents potential safety hazards caused by an excessively high concentration of solvent vapor, and improves the drying quality and the production safety.
Resumen de: WO2025179770A1
The present application applies to the technical field of traction batteries. Provided are a heating device (100) and a battery processing system. The heating device comprises: a base plate (10) which has a first position and a second position that are staggered, the second position being configured to allow placement of a battery module (200); a bracket (30) which is movably connected to the base plate and configured to move between the first position and the second position; and a positioning assembly (40) which is movably arranged on the bracket, wherein when the bracket moves to the first position, the positioning assembly at least partially provides clearance above the second position, and when the bracket moves to the second position, the positioning assembly is located above the second position and can move closer to the base plate. The heating device provided in the present application enables the positioning assembly or the bracket to be located on one side of the first position, and provides clearance above the first position and on the other side of the first position, thereby reducing collisions between the battery module and the positioning assembly or the bracket during a transfer process.
Resumen de: US2025277869A1
A vehicle includes a system that performs a method for operating the vehicle. A processor obtains an initial voltage fade state of a battery of the vehicle and a model of an initial state of the battery of the vehicle, commences a charging operation of the battery, measure a terminal voltage of the battery while charging, updates the model during the charging operation using the terminal voltage, ends the charging operation, obtains measurements of a cathode voltage after the charging operation has ended, determines a maximum cathode voltage from the measurements, determines an updated voltage fade state of the battery based on the maximum cathode voltage, selects a relation between cathode voltage and lithiation state based on the updated voltage fade state, calculates a state of lithiation of a cathode from the maximum cathode voltage using the selected relation, and operates the vehicle based on the updated voltage fade state.
Resumen de: US2025277870A1
A battery cell inspection system includes a transport unit including a plurality of conveyors arranged in multiple levels in a vertical direction, and configured to transport a tray on which an assembled battery cell is mounted, a cell inspection unit corresponding to the multiple levels of the transport unit, and configured to perform pre-charging and cell defect inspection of the battery cell, and a shuttle configured to move between the cell inspection unit and the transport unit to carry the tray into the cell inspection unit or take the tray from the cell inspection unit.
Resumen de: US2025277863A1
The present application provides a battery SOC evaluation method, an apparatus, a device and a medium. The method includes: acquiring charging-discharging data of a first battery cell pack at different first temperatures and different first rates, where the number of the first battery cell pack is at least one, and the first battery cell pack includes a first battery cell; acquiring first SOCs of the first battery cell pack according to the charging-discharging data, where the charging-discharging data includes first voltages of the first battery cell pack; establishing an association table of the first SOCs with the first temperatures, the first rates and the first voltages; acquiring a second temperature, a second rate and a second voltage of a battery pack, and acquiring a second SOC of each second battery cell in the battery pack by the association table, where the battery pack includes multiple second battery cells.
Resumen de: US2025277866A1
A battery management system for diagnosing the degradation of secondary batteries equipped with a positive electrode including lithium iron phosphate as a positive electrode active material is provided. The battery management system includes a sensing part configured to measure the voltage and open circuit voltage of a secondary battery; a memory part configured to store the open circuit voltage measured by the sensing part; and a control part configured to determine that the secondary battery is degraded if the amount of change in the open circuit voltage due to charge/discharge cycles of the secondary battery, for at least five charge/discharge cycles, satisfies the following condition: Vn−1−Vn<0.002V, (where Vn−1 represents the open circuit voltage measured during the (n−1)th charge-discharge cycle, Vn represents the open circuit voltage measured during the nth charge/discharge cycle, and n is an integer.)
Resumen de: WO2025180246A1
A positive electrode material, a preparation method therefor and a use thereof. The positive electrode material comprises a core and a first shell layer, a lattice in a near-surface region of the core having a layered structure is doped with at least one of Co, Ti and Zr, and the first shell layer comprises a material capable of improving the ionic conductivity of the positive electrode material, or a material capable of improving ionic conductivity and electronic conductivity.
Resumen de: WO2025180428A1
A negative electrode sheet (10), a battery cell and an electrical device. The electrical device comprises the battery cell. The battery cell comprises the negative electrode sheet (10). The negative electrode sheet (10) comprises a first area (11) and a second area (12), the second area (12) surrounds the first area (11), and the surface density of the active material of at least part of the second area (12) is less than that of the active material of the first area (11), thereby reducing the probability of lithium precipitation at the edge of the electrode sheet.
Resumen de: WO2025180446A1
The present application belongs to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a plurality of battery cells, a wire harness board and a heat exchange assembly, wherein the wire harness board is electrically connected to all the battery cells, the heat exchange assembly comprises a heat exchange shell and an inverse piezoelectric element, the heat exchange shell is in thermally conductive connection with at least some of the battery cells and has an air inlet, an airflow channel and an air outlet which are in communication in sequence, and the inverse piezoelectric element is arranged in the airflow channel and electrically connected to the wire harness board, and is configured to generate vibration under a voltage applied by the battery cells, so as to drive an external airflow to enter the airflow channel from the air inlet and to be exhausted from the air outlet. In the battery provided in the present application, an airflow is driven by an inverse piezoelectric element to circulate in an airflow channel, thereby adjusting the temperature of battery cells. An airflow is used as a heat exchange medium for the battery provided in the present application, so that leakage of a liquid medium is avoided, thereby achieving relatively good safety performance.
Resumen de: WO2025180167A1
The present application relates to a formation nail, a battery, and a gripper. The formation nail is configured to seal an electrolyte injection hole of a battery, comprising a sealing head and a gripping head, wherein the sealing head is configured to be inserted into the electrolyte injection hole of the battery for interference fit with the electrolyte injection hole to seal the electrolyte injection hole; and the gripping head is connected to one end of the sealing head and has a gripping portion configured to be gripped by a gripper, the outer wall of the gripping portion being provided with a plurality of grooves that are arranged at intervals, which can increase the friction between the gripping portion and the gripper. The formation nail can be reused.
Resumen de: WO2025180222A1
An energy storage power supply (100), comprising a housing (10), an inverter (20), a first heat sink (30), and a hydrogel layer (40). The housing (10) is provided with an opening (11); the inverter (20) is arranged in the housing (10); the first heat sink (30) is thermally coupled to the inverter (20); and the hydrogel layer (40) is thermally coupled to the first heat sink (30) and seals the opening (11).
Nº publicación: WO2025184060A1 04/09/2025
Solicitante:
FACTORIAL INC [US]
FACTORIAL INC
Resumen de: WO2025184060A1
An insulation gasket surrounding a first electroactive material layer of a first electrode layer comprises a foldable extension, wherein the first electroactive material layer is on at least one side of a first current collector with a first electrode tab. Upon folding, the foldable extension of the insulation gasket turns into a folded extension and covers a layer of a second electrode, thus electrically insulating the first electrode tab from the second electrode layer. The first electrode may be cathode or anode. An electrochemical device comprising the insulation gasket is also disclosed. In some embodiments, an electrochemical device further comprises a second insulation gasket surrounding the periphery of a second electrode layer and comprising a second foldable extension, wherein, the second insulation gasket, upon folding, turns into a second folded extension covering a layer of the first electrode.
BOPI
Sede Electrónica
