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1563
resultados
Última actualización
19/12/2025 [07:14:00]
Resultados 475 a 500 de 1563
Resumen de: US2025379226A1
The present disclosure provides an aluminum alloy plate for a case of a secondary battery. The aluminum alloy plate includes 1.25 wt % to 1.5 wt % of manganese (Mn), and 0.6 wt % to 0.8 wt % of magnesium (Mg).
Resumen de: US2025379229A1
An anode for a secondary battery includes: an anode current collector, a first anode active material layer disposed on at least one surface of the anode current collector and including a first anode active material and a first binder, and a second anode active material layer disposed on the first anode active material layer and including a second anode active material, a second binder, and a conductive additive, wherein the conductive additive includes a conductive polymer and a water-soluble polymer having a weight average molecular weight of 10,000 g/mol to 100,000 g/mol.
Resumen de: US2025376387A1
Simple, material-efficient microgranulation methods are disclosed for aggregating precursor particles into larger product particles with improved properties and, in some instances, novel structures. The product particles are useful in applications requiring uniform, smooth, spherical, or rounded particles such as for electrode materials in lithium batteries and other applications.
Resumen de: US2025376384A1
A lithium compound generating system can include a source of a first CO2 containing gas, a CO2 capture unit, a lithium-containing source feed, a bipolar electrodialysis unit, and a first reaction site. The first CO2 containing gas can include a first concentration of CO2. The CO2 capture unit can receive the first CO2 containing gas and output a release gas including a second concentration of CO2 greater than the first, the second concentration achieved by carbon capture. The lithium-containing source feed can provide a lithium-containing material. The bipolar electrodialysis unit can process the lithium-containing material and generate an aqueous LiOH product. The first reaction site can be configured to receive the release gas and at least a first portion of the aqueous LiOH product, facilitate a first reaction therein to yield an amount of Li2CO3. A second reaction site can convert a second portion of the aqueous LiOH product into LiOH·H2O.
Resumen de: US2025376415A1
This disclosure relates to novel lithium ion battery structures and methods of manufacture. One particular method includes a method of coating a porous glass substrate. The method includes: providing a porous glass substrate; flowing gaseous hydrocarbon onto a porous glass substrate in a reaction zone; and exposing the porous glass substrate to a concentrated solar irradiation in the reaction zone such that the porous substrate and gases surrounding the porous substrate absorb the concentrated solar irradiation producing heat. The heat chemically reduces glass fibers in the porous glass substrate into silicon fibers, and the heat decomposes the gaseous hydrocarbon into a carbon coating on the silicon fibers.
Resumen de: US2025375745A1
A continuous paste mixer comprising a mixing apparatus secured to a frame is described herein. The mixing apparatus includes one or more mixer assemblies configured to extend and stack with respect to the frame, the one or more mixer assemblies to mix various ingredients (thixotropic and/or non-Newtonian) continuously and uniformly without risking uncontrolled exothermic reactions. The continuous paste mixer comprises a support member operatively connected to the mixing apparatus, and a controller configured to automatically control movement and operation of the high-shear mixer during mixing according to one or more mixing profiles.
Resumen de: US2025376563A1
Provided is a novel sulfur-containing polymer and a method for producing the same, a composition comprising the novel sulfur-containing polymer, and a sulfur-containing compound. The sulfur-containing macromolecular compound of the present invention has a structural unit represented by, for example, the following formula (1):wherein in formula (1), n represents a number of 1 or more, R represents an organic group, and R1 represents a divalent organic group derived from a polycondensable functional group. The method for producing a sulfur-containing macromolecular compound of the present invention comprises reacting a linear sulfur polymer and compound C having two polycondensable functional groups to obtain a sulfur-containing macromolecular compound.
Resumen de: US2025379317A1
A battery pack comprises an enclosure, and a plurality of batteries arranged within the enclosure. Each battery includes one or more electrochemical cells, and a case structured to contain the one or more electrochemical cells in an interior space of the case. Each case comprises a first end wall, an opposite second end wall, and a multi-sided wall connecting the first end wall and the second end wall thereby defining the interior space of the case. A multi-sided wall of the case of at least one of the batteries comprises at least one inwardly directed recess having a first section dimensioned to matingly engage a second section of a multi-sided wall of another of the batteries when the plurality of batteries are arranged within the enclosure.
Resumen de: US2025379319A1
A battery module has a plurality of battery cells which are accommodated in the interior of a housing of the battery module. Power electronics are further accommodated in the interior of the housing of the battery module. The housing includes a projection which is configured to protrude beyond a remaining part of the housing, and the power electronics are at least partially accommodated within the interior of the projection.
Resumen de: US2025379342A1
A switchable battery assembly includes a battery that has a positive terminal and a negative terminal and a plurality of chemical cells positioned within the battery. The positive terminal is in continuous electrical communication with the plurality of chemical cells. The negative terminal is inhibited from is in electrical communication with the plurality of chemical cells. A switching unit is movably integrated into the battery. The switching unit is positionable in an on position to actuate the battery into a live condition for supplying electrical current to an electrical circuit. The switching unit is positionable in an off position to inhibit the battery from supplying electrical current to the electrical circuit.
Resumen de: US2025379222A1
A disclosed hydrogen-absorbing alloy has a composition represented by a formula LaaR(b-a)MgcZrdNixAlyMz, wherein R is at least one rare earth element including Y but not including La, 0.10≤a≤0.40, 0.67≤b≤0.96, 0.01≤c≤0.30, 0.01≤d≤0.05, and b+c+d=1.00 are satisfied, M is at least one element selected from the group consisting of Co, Mn, Ag, and Sn, 3.10≤x≤3.80, 0.03 ≤y≤0.25, 0≤z≤0.05, and 3.45≤x+y+z≤3.85 are satisfied, and the alloy includes, as crystal phases, four phases respectively having a Ce2Ni7 type structure, a Ce5Co19 type structure, a Pr5Co19 type structure, and a CaCu5 type structure, at specific proportions.
Resumen de: US2025379220A1
A positive electrode plate and a manufacturing method therefor, a battery cell, a battery, and an electrical apparatus. The positive electrode plate includes: a positive electrode current collector; a first coating which is arranged on a surface of at least one side of the positive electrode current collector and includes a first active material; a second coating which includes a second active material that is different from the first active material; and a conductive layer which is arranged between the first coating and the second coating and is used for isolating the first coating from the second coating.
Resumen de: US2025379223A1
A negative electrode active material, a method for preparing the same, a negative electrode composition and a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. The negative electrode active material comprises a silicon-based active material; and a carbon coating layer covering at least a portion of an outer surface of the silicon-based active material, the carbon coating layer comprising carbon having a Raman peak intensity ratio ID/IG of 0.1 to 1.2, the silicon-based active material including Si and optionally SiOx (0<x<2), and Si being comprised in an amount of 70 parts by weight or more based on 100 parts by weight of the silicon-based active material.
Resumen de: US2025379228A1
The present invention provides a positive electrode active material which contributes to the improvement of safety of a secondary battery. This positive electrode active material, which is contained in a nonaqueous electrolyte secondary battery, contains a lithium transition metal composite oxide; the lithium transition metal composite oxide contains Ni, Mn, P, Me (Me is composed of at least one element that is selected from the group consisting of B, Al, Si, Ti, Fe, Co, Sr, Zr, Nb, Mo, Sn, W and Bi), and at least one of Ca and Sr, respectively at specific content ratios; and the ratio m/n of the half-value width m of the diffraction peak of the (003) plane to the half-value width n of the diffraction peak of the (110) plane in an X-ray diffraction pattern obtained by X-ray diffractometry satisfies 0.75≤m/n.
Resumen de: US2025379295A1
A pouch-type battery case accommodates an electrode assembly having a electrodes and separators are alternately arranged, the battery case comprises a pouch film having a film thickness, a first surface and a second surface, a first cup portion formed in the pouch film having a recessed shape offset from the first surface towards the second surface; a second cup portion formed in the pouch film having a recessed shape offset from the first surface towards the second surface; and a bridge portion formed in the pouch film between the first cup portion and the second cup portion and connecting the first cup portion to the second cup portion; the bridge portion includes a notch formed in the first surface projecting towards the second surface.
Resumen de: US2025379254A1
A battery includes a negative electrode plate, a positive electrode plate and an electrolyte solution. The negative electrode plate includes a negative electrode active material layer, which includes a silicon carbon; a surface of the negative electrode active material layer has recesses; the electrolyte solution includes a carbonate compound, and the carbonate compound comprises fluoroethylene carbonate; and a charged cut-off voltage of the battery is greater than or equal to 4.48 V. The battery not only exhibits high energy density but also significantly mitigates the problem of damage and corner cracking of the outer film casing in the later stages of battery cycling.
Resumen de: US2025379272A1
A method for detecting battery swelling includes: arranging conductors in a region of a battery cell to detect swelling of the battery cell; measuring a capacitance change amount when an arrangement of the conductors changes; and determining whether or not battery swelling has occurred by using a result of the measuring of the capacitance change amount.
Resumen de: US2025375950A1
The present disclosure relates generally to the field of cushioning articles, more specifically to the field of articles having pressure management and thermal insulation properties. The present disclosure also relates to a method of manufacturing such articles and to their use for industrial applications for pressure and thermal management applications.
Resumen de: US2025376081A1
A battery temperature management system is provided. The battery temperature management system includes a drive unit and a power unit. The drive unit includes a motor. The power unit includes a battery pack, a resistor, and a processor. The processor is configured to direct regenerative braking current from the motor to the resistor to heat the battery pack based on a motor current value and a battery pack state of charge value.
Resumen de: US2025376078A1
Provided herein are systems and methods for enhancing thermal management of a battery pack of a heavy vehicle. For example, the heavy vehicle may include a battery pack, a first thermal management system including a plurality of fans, a second thermal management system including a coolant circuit arranged to cool the battery pack, and one or more processors configured to detect a charge event of the battery pack and, responsive to detecting the charge event, modify a fan speed of at least one of the plurality of fans of the first thermal management system to prioritize cooling of the battery pack via the second thermal management system.
Resumen de: US2025376079A1
Provided herein are systems and methods for managing a temperature of a battery pack. For example, the method may include determining a thermal condition of one or more of a plurality of battery cells of the battery pack, applying the thermal condition to a threshold criteria, and modifying a condition of a thermal management system of the battery pack responsive to the thermal condition satisfying the threshold criteria.
Resumen de: US2025376263A1
Disclosed is a hybrid battery pack designed for aircraft. The hybrid battery pack comprises a primary battery comprising battery cells having a high self-discharge rate (high K-value) for daily operation and an emergency battery comprising battery cells having a low self-discharge rate (low K-value) for emergency power. This hybrid battery pack addresses the trade-off between battery lifetime and weight, offering enhanced safety, reliability, and efficiency for aircraft.
Resumen de: US2025376076A1
The present invention relates to a battery isolation module having an electronically controlled switch, a sensor, and an electronic controller. The sensor is configured to detect a first voltage from a first voltage bus and a second voltage from a distinct second voltage bus. The electronic controller, in communication with both the electronically controlled switch and the sensor, is designed to couple and decouple the first and second voltage buses through the electronically controlled switch. This operation is based on the voltage difference detected between the first and second voltages by the sensor, thereby enabling efficient management of electrical connections between distinct voltage buses.
Resumen de: US2025379316A1
There is provided a battery module comprising: a housing; a first group of energy source units arranged in the housing along a first direction and connected in series; a second group of energy source units arranged in the housing along the same direction and connected in series; and a third group of energy source units also arranged in the housing along the first direction and connected in series. The first group of energy source units is configured to output a first output voltage of the battery module for constituting a first phase of an AC signal. The second group is configured to output a second output voltage of the battery module for constituting a second phase of the AC signal. The third group is configured to output a third output voltage of the battery module for constituting a third phase of the AC signal.
Nº publicación: US2025379315A1 11/12/2025
Solicitante:
RIVIAN IP HOLDINGS LLC [US]
Rivian IP Holdings, LLC
Resumen de: US2025379315A1
Battery packs, including modular battery packs, hold a variety of numbers of batter modules. When the number is less than the full capacity of battery modules, a bridging component is used to hold various components of the battery pack. When a space within a battery pack frame is unoccupied by a battery module (or battery modules) of the battery pack, the bridging component may hold a cooling manifold of the battery pack. Also, the bridging component may hold busbars used in part to complete a high voltage circuit that includes the battery modules. The bridging component may include clips designed to secure the busbars. The bridging component may further include a metal insert to provide additional structural rigidity. Further, the bridging component may include guides and clips to secure the bridging component to a component (e.g., crossmember) of the battery pack.
BOPI
Sede Electrónica
