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1450
results.
Updated on
18/07/2025 [07:37:00]
Results 550 to 575 of 1450
Absstract of: US2025226390A1
An electrode plate includes a current collector and a film layer comprising an active material and an adsorptive polymer disposed on at least one side of the current collector, wherein: the adsorptive polymer satisfies: 3≤m1/n≤35, in which n represent a mass of the adsorptive polymer, and m1 represents a mass of a first substance that is obtained by: adding the adsorptive polymer to a predetermined electrolytic solution at 45° C. to form a polymer system, allowing the polymer system to stand for 60 hours at 45° C. and for ≥24 hours at 25° C., and then filtering the polymer system through a 200-mesh screen to obtain the first substance; and the adsorptive polymer further satisfies: 1.00≤m2/n≤1.05, in which m2 represents a mass of a second substance, that is obtained by drying the first substance at 60° C. for ≥24 hours.
Absstract of: US2025226387A1
The present invention relates to a silicon-carbon mixture, a method for preparing same, and a negative electrode active material and a lithium secondary battery comprising same. The silicon-carbon mixture includes two or more kinds of composites, comprises silicon particles, magnesium silicate, and carbon, and has a molar ratio of oxygen (O) atoms to silicon (Si) atoms (O/Si) that satisfies 0.06 to 0.90. Accordingly, when the silicon-carbon mixture is applied to a negative electrode active material, it is possible to simultaneously enhance the discharge capacity, initial efficiency, and capacity retention rate after cycles of a lithium secondary battery.
Absstract of: US2025226413A1
A negative electrode material is provided. The negative electrode material comprises a carbon-based material. In a nitrogen adsorption-desorption test of the negative electrode material, 0.004 cm3/g≤S≤0.030 cm3/g, wherein S is an adsorption volume of pores with a pore diameter of 3 nm to 35 nm in the negative electrode material. In a charge-discharge test of a button battery prepared by using lithium as a negative electrode and using the negative electrode material as a positive electrode, a gravimetric capacity of the negative electrode material measured when the button battery is discharged to −5 mV is Cap A, and the gravimetric capacity of the negative electrode material measured when the button battery is discharged to a voltage of 5 mV is Cap B, 10 mAh/g≤Cap A−Cap B≤20 mAh/g.
Absstract of: US2025226411A1
A negative electrode material includes a carbon-based material. In an X-ray diffraction pattern of the negative electrode material tested by X-ray diffractometry, a diffraction peak a is exhibited at a diffraction angle 2θ of 43° to 44°, a diffraction peak b is exhibited at a diffraction angle 2θ of 45° to 47°, an intensity of the diffraction peak a is Ia, and an intensity of the diffraction peak b is Ib, and Ia/Ib>1.
Absstract of: US2025222501A1
In a roll press apparatus, a main conveyer line conveys a metal foil to be used as a substrate. A pressurizing roll is provided on the main conveyer line. A lithium conveyer line is a conveyer line that conveys a lithium foil to be bonded to the metal foil and merges with the main conveyer line on an upstream side of the pressurizing roll. The pressurizing roll rolls the lithium foil on a surface of the metal foil and bonds the lithium foil to the surface of the metal foil by pressure-bonding.
Absstract of: US2025224701A1
A battery management apparatus according to an embodiment of the present disclosure includes a data obtaining unit for obtaining battery information including at least one of voltage and current of a battery and a controller for estimating a state of health (SOH) of the battery based on the battery information, calculating an SOH score for the battery based on a reference value corresponding to the SOH and the SOH in a plurality of reference profiles, predicting a plurality of SOH of the battery during a target period, calculating a remaining useful life (RUL) score for the battery based on the plurality of SOH, and determining a safety score of the battery according to a safety class of the battery based on the battery information.
Absstract of: US2025224452A1
Techniques are provided for current collector diagnosis. In one embodiment, the techniques involve determining that a current is flowing through a current collector of the battery cell, generating a mechanical excitation to the current collector, determining an amplitude of the voltage across the battery cell based on the mechanical excitation, and determining a presence of a tear or a separation of a foil of the current collector based on the amplitude of the voltage across the battery cell.
Absstract of: US2025224368A1
A method for differential electrochemical mass spectrometry for online gas evolution of pouch cells includes supplying an inert carrier gas to a pouch cell, and supplying gas from the pouch cell to the intake of a differential electrochemical mass spectrometer. A system for continuous quantitative gas evolution monitoring in a pouch cell comprising a differential mass spectrometer, a supply of inert carrier gas, a conduit connected to the pouch cell for conducting inert carrier gas to the pouch cell; and a conduit connecting the pouch cell for conducting gas from the pouch cell to the differential mass spectrometer.
Absstract of: US2025224298A1
Various embodiments of the teachings herein include methods for determining the functional operability of a pressure sensor of a battery arrangement with a battery housing in a vehicle, wherein the pressure sensor generates a pressure signal corresponding to the pressure within the battery housing. An example includes: introducing a gas mixture into the battery housing from outside the battery housing for the purpose of increasing the pressure within the battery housing; and determining that the pressure sensor is functional if, after the process of introducing the gas mixture into the battery housing, the pressure signal of the pressure sensor indicates a pressure which exceeds a predetermined pressure threshold value; else determining that the pressure sensor is malfunctioning.
Absstract of: US2025226499A1
A battery pack vehicle includes a tray, a battery core module, and a liquid cooling plate. The tray includes a tray bottom plate connected with tray side beams to form an accommodating space. The battery core module is disposed in the accommodating space and includes battery cores. Each battery core has a first explosion-proof valve. The liquid cooling plate is disposed on the tray bottom plate and between the battery core module and the tray bottom plate, and includes through holes extending through the liquid cooling plate. The battery core module is in contact with a first surface of the liquid cooling plate, and the first explosion-proof valves respectively corresponds to the through holes. The first channel disposed between a second surface of the liquid cooling plate and the tray bottom plate, and each tray side beam includes a second channel being in communication with the first channel.
Absstract of: US2025226497A1
A tripod system includes a tripod having a center column, a plurality of legs coupled to the center column, a battery receptacle supported by the center column, and a head supported by the center column. The battery receptacle is configured to receive a battery pack such that the battery pack provides power to the tripod. The tripod system also includes a luminaire removably coupled to the head such that the luminaire is configured to be electrically powered by the battery pack through the tripod. The luminaire is removable from the head and configured to be coupled directly to the battery pack such that the battery pack is secured to the luminaire and provides power to the luminaire. The head is pivotally coupled to an end of the center column.
Absstract of: US2025226552A1
A fixing structure of an electrode includes a battery housing having a bottom with a perforation hole; an electrode terminal fixed to the bottom; and a terminal gasket interposed between the electrode terminal and the bottom. The electrode terminal includes a neck portion inserted into the perforation hole; a head portion connected to one end of the neck portion and having a cross section larger than the cross section of the perforation hole and extending along one surface of the bottom; a protrusion connected to the other end of the neck portion and extending along an axial direction of the battery housing from the other surface of the bottom; a diameter-enlarged portion configured to extend in a centrifugal direction from the protrusion; and a front end surface at an axial end of the protrusion. The diameter-enlarged portion may be a fastening member at an outer circumference of the protrusion.
Absstract of: US2025226487A1
A cooling module is disclosed. A cooling module according to an aspect of the present disclosure comprises a heat dissipation part which is coupled to an external busbar and receives heat from the busbar, and a pipe part which is coupled to the heat dissipation part and inside which a heat transfer medium that receives the heat flows, wherein the heat dissipation part may comprise: a heat dissipation body formed to extend in one direction; a pipe coupling part which extends along the one direction inside the heat dissipation body and of which each end in the one direction is formed to be open so that the pipe part is coupled by penetrating therethrough; and a busbar coupling part which is positioned adjacent to the pipe coupling part and to which the busbar is coupled.
Absstract of: US2025226554A1
A power supply includes a housing having a plurality of walls, a power component arranged in the housing, a first electrical connector connected to the power component, a second electrical connector connected to the power component, an electric circuit defined between the first electrical connector, the second electrical connector, and the power component, and a manual disconnect device (MSD) including a pyro fuse connected in the electric circuit, the MSD being provided on the housing and being configured to create an open in the electric circuit.
Absstract of: US2025226393A1
A lithium-ion battery including a cathode having a sulfide coating thereon; such sulfides having different chemical compounds, including Li2S, Na2S, K2S, Rb2S, Cs2S, Fr2S, BeS, MgS, SrS, BaS, RaS, Sc2S3, Y2S3, TiS2, ZrS2, HfS2, V2S5, Nb2S5, Ta2S5, CrS2, MoS2, WS2, MnS, MnS2, TcS2, ReS2, Fe2S3, Ru2S3, Os2S3, CoS, CoS2, Co3S4, Co9S8, RhS, RhS2, NiS, NiS2, PdS, PdS2, PtS, PtS2, CuS, Cu2S, Ag2S, AgS, Au2S, AuS, ZnS, CdS, HgS, B2S3, Al2S3, Ga2S3, In2S3, SiS, SiS2, GeS, GeS2, SnS, SnS2, PbS, PbS2, P2S5, As2S5, Sb2S5, Bi2S5, their compounds, and a method for making the same. The cathode can be LiNixMnyCozO2 (NMCs, x+y +z=1), LiMn2O4 (LMO), olivine LiFePO4 (LFP), LiCoO2 (LCO), LiNi0.8Co0.05Al0.05O2 (NCA), layered Li-rich Mn-based cathodes with the chemical formular of xLi2MnO3# (1−x) LiTMO2 (TM=Ni, Mn, Co, etc.), and a method for making the same.
Absstract of: US2025226389A1
Anode material and a battery are provided. The anode material includes a carbon matrix and silicon material. The silicon material is dispersed in the carbon matrix. The anode material is tested with Raman spectroscopy. The anode material has a first characteristic peak at 520±10 cm−1. The peak intensity of the first characteristic peak is IA. There is a second characteristic peak at 960±10 cm−1, the peak intensity of the second characteristic peak being IB. There is a third characteristic peak at 480±10 cm−1, the peak intensity of the third characteristic peak being IC. The following relationships exist between IA, IB and IC: 0.3≤IA/(IB+IC)≤0.6; and the anode material satisfies: α≤10%.
Absstract of: US2025226412A1
A negative electrode material, containing a carbon-based material, where an average surface roughness of the negative electrode material is Ra, and 1.2 nm≤Ra≤30 nm. The negative electrode material of this application possesses a relatively high gravimetric capacity and excellent kinetic properties, so that a secondary battery containing the negative electrode material achieves both a high energy density and high fast-charge performance. A secondary battery containing the negative electrode material is also provided.
Absstract of: US2025226408A1
The present disclosure provides an anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, the anode material has an oil absorption value of O mL/100 g, a pore volume of V cm3/kg, a specific surface area of S m2/g, and a powder porosity of Φ%, where 50≤O*V*S≤391, and 40≤Φ≤58. According to the anode material and the battery provided by the present disclosure, a reaction space capable of performing an effective lithium ion de-intercalation in the anode material is relatively sufficient, improving the high-rate charging-discharging performance of the graphite anode material.
Absstract of: US2025226386A1
A negative electrode plate includes a current collector and a film layer disposed on the current collector. The film layer includes a first portion and a second portion disposed along a thickness direction of the film layer, where the first portion is disposed on the current collector, and the second portion is disposed on the first portion. The first portion includes a first carbon-based active material, the second portion includes a second carbon-based active material, the second carbon-based active material includes secondary particles, and a powder compacted density of the first carbon-based active material is greater than a powder compacted density of the second carbon-based active material.
Absstract of: US2025224322A1
A battery pack is capable of sensing the generation of a gas using Mie scattering, whereby it is possible to rapidly detect abnormality of the battery pack. In addition, whether a battery is abnormal is determined in consideration of a gas generation time as well as the generation of the gas, whereby it is possible to rapidly detect whether the battery is abnormal.
Absstract of: US2025227859A1
A module for providing power to a battery-operated device having a body in which is formed a battery compartment and a cover having one or more first elements cooperable with one or more second elements provided to the body for releasably positioning the cover over the battery compartment. The module has an energy-generating surface, an energy storage device coupled to the energy-generating surface, and a storage device cover positionable over the energy-generating surface. The storage device cover has one or more third elements cooperable with the one or more second elements provided to the body for releasably positioning the module cover over the battery compartment when the energy storage device is positioned within the battery compartment in engagement with one or more electrical contacts positioned within the battery compartment.
Absstract of: US2025227847A1
The present invention relates to a printed circuit board for a battery pack capable of measuring temperature and a method for manufacturing same. The printed circuit board for a battery pack according to the present invention, capable of measuring temperature and provided in a battery pack including a plurality of secondary batteries, includes: a film; a conductive pattern provided on a first portion of the film; and a temperature sensor provided on a second portion of the film and configured to measure the temperature inside the battery pack.
Absstract of: US2025226774A1
A stand-alone motor unit for use with a piece of power equipment includes a housing and a flange coupled to the housing on a first side thereof. A plurality of apertures through the flange defines a first bolt pattern that matches an identical, second bolt pattern defined in the piece of power equipment. An electric motor has a power output of at least about 2760 W. The motor includes a stator having a nominal outer diameter of up to about 80 mm and a rotor supported for rotation within the stator. A power take-off shaft receives torque from the rotor and protrudes from one of the flange or a second side of the housing. A controller is positioned within the housing and electrically connected to the motor. A battery pack for powering the motor has battery cells having a nominal voltage of up to about 80 V.
Absstract of: US2025226793A1
A foldable solar panel including at least two solar modules mounted to a substrate. The foldable solar panel includes hook and loop tape to secure the foldable solar panel in the folded configuration. The foldable solar panel includes at least two straps and at least two horizontal rows of webbing operable to attach the foldable solar panel to a load-bearing platform. The foldable solar panel does not include a controller. The foldable solar panel is operable to charge a battery faster than previously known in the art.
Nº publicación: US2025226523A1 10/07/2025
Applicant:
EVE ENERGY CO LTD [CN]
EVE ENERGY CO., LTD
Absstract of: US2025226523A1
A battery module and a battery pack employing the battery module are provided. The battery module includes a cell and a heat-dissipation and pressure-relief component. The heat-dissipation and pressure-relief component is provided with a liquid-cooling partition and a smoke-exhaust and pressure-relief portion. The smoke-exhaust and pressure-relief portion is provided with a pressure-relief channel and an exhaust port communicating with the pressure-relief channel. The liquid-cooling partition is arranged at one side of the pressure-relief channel and is vertically connected to the smoke-exhaust and pressure-relief portion. An explosion-proof valve of the cell is arranged corresponding to the exhaust port, and the cell exchanges heat with the liquid-cooling partition.
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