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1103
resultados
Última actualización
22/09/2025 [07:06:00]
Resultados 825 a 850 de 1103
Resumen de: US2025286072A1
Provided are a negative electrode plate, a sodium-ion battery, and an electronic device. The negative electrode plate includes a negative electrode current collector and a carbon coating disposed on at least a portion of the surface of the negative electrode current collector. The carbon coating includes a carbon material, a solid electrolyte, and a polymer binder. A surface of the carbon coating facing away from the negative electrode current collector has holes extending along the thickness direction of the carbon coating. A depth of the holes is smaller than a thickness of the carbon coating.
Resumen de: US2025286101A1
The present application relates to a material storage apparatus in which a first sensing assembly is disposed on the storage bin, and the first sensing assembly is configured to determine whether the assembly apparatus enters the discharging port. When the material storage apparatus does not receive a material discharging instruction, the first sensing assembly is in an activated state, and continuously monitors whether the assembly apparatus enters the discharging port; if detected, the first sensing assembly feeds back a corresponding signal to the control module, and the control module then controls the assembly apparatus to halt, so as to restrict the assembly apparatus from mistakenly entering the accommodating cavity. In this case, material feeding operations can be performed at the feeding port, that is, materials can enter the accommodating cavity through the feeding port for accommodation, thereby achieving safe material feeding.
Resumen de: US2025286055A1
Provided is a method for preparing a cobalt-free layered cathode material by Li+/H+ exchange, including adding a metal sulfate solution, a precipitant solution, and a complexing agent solution dropwise into an aqueous ammonia solution to obtain a mixed solution, and subjecting the mixed solution to precipitation complexation to obtain a hydroxide precursor; and mixing the hydroxide precursor with a lithium source to obtain a mixture, and subjecting the mixture to pre-sintering and crystallization in sequence to obtain the cobalt-free layered cathode material, a temperature for the pre-sintering being less than a temperature for the crystallization, where metal sulfates include at least two selected from the group consisting of non-cobalt transition metal sulfates.
Resumen de: US2025286201A1
An electricity storage device includes: an electricity storage module including a plurality of electricity storage cells; an adhesive material that causes the electricity storage cells to adhere to each other; and an inter-cell busbar. Each of the electricity storage cells includes a first short side surface and a second short side surface, a negative electrode terminal provided on the first short side surface, and a positive electrode terminal provided on the second short side surface. The electricity storage cells are disposed such that the positive electrode terminal and the negative electrode terminal of the electricity storage cells adjacent to each other in a Y direction are adjacent to each other. The inter-cell busbar connects the positive electrode terminal and the negative electrode terminal adjacent to each other. The adhesive material causes the first short side surface and the second short side surface to adhere to each other.
Resumen de: US2025286202A1
A battery unit is provided and includes a battery and a wiring unit. The battery includes a first electrode terminal and a second electrode terminal. The wiring unit includes a flexible wiring substrate, a first coupling terminal, and a second coupling terminal. The first coupling terminal is provided on the flexible wiring substrate and is to be joined to the first electrode terminal. The second coupling terminal is provided on the flexible wiring substrate and is to be joined to the second electrode terminal. At least one of the first coupling terminal or the second coupling terminal includes an electrically conductive member and a solder layer. The electrically conductive member has a first surface, a second surface, and a through hole. The through hole extends from the first surface to the second surface. The solder layer includes a first part, a second part, and a coupling part. The first part covers all or a part of the first surface of the electrically conductive member. The second part covers all or a part of the second surface of the electrically conductive member. The coupling part passes through the through hole and couples the first part and the second part to each other.
Resumen de: US2025286200A1
A battery system includes a plurality of battery cells arranged along an alignment axis; and a cell spacer in a gap between adjacent ones of the battery cells, the cell spacer including a center portion and border portions adjoining the center portion, the center portion having a greater thickness than the adjoining border portions, wherein opposite outer surfaces of the cell spacer are arranged at the same distance but in opposite directions from a central plane, the central plane being perpendicular to the alignment axis and extending through the center portion and border portions.
Resumen de: US2025286195A1
A battery pack includes: a case including a lower case and an upper case that face each other in a first direction; a battery stack that is housed in the case and includes a plurality of battery cells; a junction box that is housed in the case and includes a relay; and a cross portion that is housed in the case, is disposed between the battery stack and the junction box in a second direction orthogonal to the first direction, and is fixed to the lower case. The junction box is attached to the cross portion, and the junction box includes a first portion disposed at a position overlapping the cross portion in the first direction, the first portion extending in the first direction and contacting the upper case.
Resumen de: US2025285258A1
The present disclosure relates to a system, method and apparatus for detecting a meandering fault of electrode tabs of a secondary battery. The method according to an embodiment of the present disclosure includes: photographing an electrode tab area of the secondary battery through a camera; measuring exposure lengths of a sealing film located between the electrode tab and a pouch film at two designated points from an image obtained by photographing the electrode tab area; checking whether an absolute value of a difference between the measured exposure lengths is a designated reference value or more; and if the absolute value is the reference value or more, determining that the meandering fault of electrode tabs has occurred.
Resumen de: US2025286047A1
Provided in the present application are a positive electrode active material and a preparation method therefor, a secondary battery, a battery module, a battery pack and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery and comprises a carbon-material-compounded iron-based polyanionic compound and a magnesium-containing oxide, wherein the iron-based polyanionic compound has the following general formula: Na4Fe3-xMxMgy(PO4)2P2O7, where M comprises a transition metal element, 0≤x≤0.5, and 0
Resumen de: US2025286099A1
A secondary battery is provided for cycling between a charged and a discharged state, the secondary battery including a battery enclosure, an electrode assembly, carrier ions, a non-aqueous liquid electrolyte within the battery enclosure, and a set of electrode constraints. The set of electrode constraints includes a primary constraint system having first and second primary growth constraints and at least one primary connecting member, the first and second primary growth constraints separated from each other in the longitudinal direction, wherein the primary constraint array restrains growth of the electrode assembly in the longitudinal direction such that any increase in the Feret diameter of the electrode assembly in the longitudinal direction over 20 consecutive cycles of the secondary battery is less than 20%. The set of electrode constraints further includes a secondary constraint system having first and second secondary growth constraints connected by at least one secondary connecting member, wherein the secondary constraint system at least partially restrains growth of the electrode assembly in a second direction upon cycling of the secondary battery.
Resumen de: US2025286058A1
An exemplary embodiment of the present disclosure provides a cathode for use in an alkali metal-ion battery, the cathode comprising a metal halide crystal lattice. The metal halide has a formula: (Fel-zMa)(ClyX3-y), where Mi is a metal, X is a halogen, a is between 0 and 2.9, z is between 1 and 0, and y is between 0 and 3. Metal M can be a metal selected from the group consisting of titanium, chromium, manganese, cobalt, nickel, copper, zinc, molybdenum, technetium, ruthenium, vanadium, tungsten, rhenium, osmium, lithium, sodium, potassium, rubidium, or cesium, and halogen X can be selected from fluorine, bromine, or iodine.
Resumen de: US2025286111A1
A pressing apparatus for secondary batteries includes a gripper configured to fix an electrode assembly into a fixed electrode assembly, and to transfer the fixed electrode assembly, the fixed electrode assembly including a stack of a positive electrode, a negative electrode, and a separator, a first heat plate including a first upper heat plate and a first lower heat plate spaced apart from each other, the first upper heat plate and the first lower heat plate being configured to heat and press the fixed electrode assembly, and a second heat plate protruding from the first heat plate, the second heat plate including a second upper heat plate and a second lower heat plate configured to fix the fixed electrode assembly, and the second upper heat plate and the second lower heat plate being retractable into the first heat plate during heating and pressing of the fixed electrode assembly.
Resumen de: US2025286107A1
Disclosed are a jelly roll and a battery. The jelly roll includes a first electrode plate and a second electrode plate, where the first electrode plate includes a first current collector and first active material layers coated on two sides of the first current collector; a first tab groove is provided in the first active material layer; a bottom wall of the first tab groove is the first current collector; a peripheral side of the first tab groove is the first active material layer; the first tab groove extends to an edge of the first current collector in a second direction; a first tab that is electrically connected to the first current collector is arranged in the first tab groove; the second electrode plate includes a second current collector and second active material layers coated on two sides of the second current collector.
Resumen de: US2025286176A1
A power storage device packaging material is used for a power storage device. The power storage device packaging material at least contains a substrate layer; a barrier layer; and a sealant layer in this order, wherein the sealant layer has an oxygen transmission rate at 100° C. of 1.0×10−15 to 1.0×10−13 (mol·m)/(m2·s·Pa).
Resumen de: US2025286168A1
The present application provides an energy storage box, including a box body, a battery pack, a power conversion system, and a thermal management system. The box body includes a battery cabin, the battery pack and the power conversion system are located in the battery cabin. The thermal management system has a first loop and a second loop. The first loop dissipates heat of a cooling liquid in a first liquid path of the battery pack through a refrigerant. The second loop is in communication with a second liquid path of the power conversion system so as to dissipate heat of the power conversion system by a cooling liquid. The cooling liquid in the second liquid path may also flow to the first liquid path through a solenoid valve so as to form compensation for heat dissipation of the first liquid path.
Resumen de: US2025286131A1
An electrolyte including a non-aqueous organic solvent, a lithium salt, a first additive, and a second additive and rechargeable lithium batteries including the electrolyte are provided. The electrolyte first additive is represented by Chemical Formula 1 and the second additive is represented by Chemical Formula 2.
Resumen de: US2025286226A1
The battery cell comprises an outer housing, an electrode assembly, and an insulating member. The end of the outer housing in the first direction (Z) is provided with a pressure relief mechanism. The insulating member is provided in the outer housing and is located at the end of the electrode assembly near the pressure relief mechanism. In a direction intersecting the first direction (Z), a pressure relief gap is provided between a side portion of the insulating member and the outer housing. A pressure relief recess in communication with the pressure relief gap is disposed on the side portion of the insulating member. A pressure relief channel that is in communication with the pressure relief recess and disposed opposite to the pressure relief mechanism is also provided in the outer housing.
Resumen de: US2025286140A1
A non-aqueous electrolyte solution containing a sulfonylimide compound represented by the general formula (1) and at least one hydroxyl group-containing compound selected from the group consisting of alcohol and a phenolic hydroxyl group-containing compound, wherein the non-aqueous electrolyte solution contains more than 1.5 mol/L of the sulfonylimide compound represented by the general formula (1) and 40 ppm by mass or more of the hydroxyl group-containing compound relative to the sulfonylimide compound represented by the general formula (1).LiN(RSO2)(FSO2) (where R represents a fluorine atom, an alkyl group with 1 to 6 carbon atoms, or a fluoroalkyl group with 1 to 6 carbon atoms) (1)
Resumen de: US2025286128A1
Disclosed are electrolytes and rechargeable lithium batteries including the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive. The additive includes a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2. A detailed description of Chemical Formulae 1 and 2 is given in this description.
Resumen de: US2025286157A1
A battery management system (BMS) having a hierarchical structure may include a plurality of slave BMSs and a master BMS configured to interwork with the plurality of slave BMSs and to monitor a battery group including a plurality of batteries. The master BMS may be configured to collect state information of one or more batteries from the plurality of slave BMSs and to collect state information of the battery group and the group state information is collected through a serial communication network.
Resumen de: US2025286171A1
Provided are a battery and an electrical equipment. The battery includes a battery pack, a first thermal management component, and thermal insulating member. The battery pack comprises multiple battery cells; along a first direction, the first thermal management component is arranged on one side of the battery pack, and the first thermal management component is configured to manage a temperature of the battery pack. Along the first direction, the thermal insulating member is positioned on the side of the first thermal management component facing away from the battery pack. A thermal insulating member is provided on the first thermal management component, and the thermal insulating member is located on the side of the first thermal management component facing away from the battery pack in the first direction.
Resumen de: US2025286061A1
A preparation method of a doped manganese phosphate precursor includes steps as follows. Manganous salt and a doping metal M salt are dissolved in an acidic solution to obtain a dissolved solution, and then the dissolved solution is mixed with a phosphoric acid to form a mixed solution. The mixed solution is heated at a heating temperature in a range of 150° C. to 250° C. to obtain a heated solution, then a high-valent manganese salt is added into the heated solution to perform a reaction. After the reaction is complete, a precursor slurry is obtained. The precursor slurry is washed, filtered, and dried to yield the doped manganese phosphate precursor. The preparation method is simple, easy to operate, highly efficient, environmentally friendly, and low-cost. The precursor has high phase purity, controllable particle size ranging from the nanoscale to the microscale, good dispersibility, and high crystallinity.
Resumen de: US2025286079A1
The present disclosure provides an electrode for a secondary battery capable of measuring the width of a first mixture layer and the width of a second mixture layer when the first mixture layer and the second mixture layer are stacked and formed on the surface of a metal foil. A positive electrode body (electrode for a secondary battery) 301 includes a strip-like positive electrode foil 301a and a positive electrode mixture layer 301b provided on the positive electrode foil 301a. The positive electrode mixture layer 301b includes a first positive electrode mixture layer 311 provided on the positive electrode foil 301a and a second positive electrode mixture layer 312 provided on the first positive electrode mixture layer 311. The first positive electrode mixture layer 311 has a width greater than a width of the second positive electrode mixture layer 312.
Resumen de: US2025286040A1
A negative active material, including a first active material including a silicon core and a carbon coating layer on the core, a carbon second active material having an aspect ratio of about 4 to about 100, and a crystalline carbon third active material.
Nº publicación: US2025287465A1 11/09/2025
Solicitante:
ALTRIA CLIENT SERVICES LLC [US]
Altria Client Services LLC
Resumen de: US2025287465A1
An aerosol-generating device includes at least one electric heater and a first power supply configured to supply electrical energy only to the at least one electric heater. The aerosol-generating device also includes a controller configured to control the supply of electrical energy from the first power supply to the at least one electric heater and a second power supply configured to supply electrical energy to the controller.
BOPI
Sede Electrónica
