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1418
resultados
Última actualización
14/12/2025 [07:13:00]
Resultados 500 a 525 de 1418
Resumen de: EP4661110A2
Disclosed is a battery including a positive electrode plate, a negative electrode plate, and an electrolyte solution, the negative electrode plate includes a negative electrode current collector including a copper foil and a negative electrode active material layer including a negative electrode active material which including a silicon-based active material, the electrolyte solution includes lithium bis(trifluoromethanesulfonyl)imide; and the battery satisfies following relationship: B - 10A - C/10 + 3 ≥ 0; A is a grain size of copper foil, in a unit of µm; B is a mess percentage of lithium bis(trifluoromethanesulfonyl)imide in the electrolyte solution, in a unit of wt%; C is a mass percentage of the silicon-based active material in the negative electrode active material, in a unit of wt%, and C ≤ 50. The battery may significantly alleviate silicon negative electrode expansion while enhance the kinetic performance and cycling stability of the battery under room-temperature.
Resumen de: EP4661160A1
Disclosed is a battery pack, which includes a cell array structure including a plurality of battery cells and a plurality of cooling tubes provided between the plurality of battery cells; a pack case configured to accommodate the cell array structure; and a cooling pipe unit provided between the plurality of cooling tubes within the pack case along a stacking direction of the plurality of cooling tubes to connect cooling tubes facing each other in the stacking direction to enable communication.
Resumen de: US2025208222A1
Provided is a quality inspection device and method for a pouch-type secondary battery cell, which inspects the quality of a plate, a bent portion, or a weld portion of a pouch-type secondary battery cell. An AC signal generating unit generates an AC signal. A magnetic field generating unit generates a magnetic field in accordance with the generated AC signal and induces a current to flow in a pouch-type secondary battery cell. At least one induced current detection sensors each detect the signal of the induced current flowing in the pouch-type secondary battery cell. A control/judgment unit compares the detected induced current signal with a value of a preset judgment range and judges the quality of the pouch-type secondary battery cell.
Resumen de: FR3162919A1
Dispositif de refroidissement pour une batterie électrique, comprenant : - une enveloppe (32) souple formée de deux feuillets (36) de matériau souple s’étendant en regard l’un de l’autre, l’enveloppe (32) présentant des régions de soudure (38) dans lesquelles les feuillets (36) sont solidaires l’un de l’autre et des régions de séparation (40) dans lesquelles les feuillets (36) sont aptes à s’étendre l’écart l’un de l’autre, - au moins un conduit (52) de circulation de fluide s’étendant entre les feuillets (36) à travers au moins l’une des régions de séparation (40), caractérisé en ce que le dispositif de refroidissement (30) comprend en outre : - une structure de support fixée à l’enveloppe (32), la structure de support comprenant une plaque (54) semi-rigide en contact avec l’enveloppe (32) selon une direction de fixation, ladite plaque (54) semi-rigide s’étendant perpendiculairement à la direction de fixation, la plaque (54) semi-rigide étant apte à se déformer en compression selon la direction de fixation pour compenser une déformation de l’enveloppe (32) sous l’effet d’une pression interne de circulation de fluide dans l’au moins un conduit (52). Figure à publier avec l’abrégé : 4
Resumen de: FR3162920A1
Module électrique comprenant : -une paroi inférieure, - une paroi supérieure opposée à la paroi inférieure, - une première paroi (4) latérale reliant la paroi inférieure à la paroi supérieure, - une deuxième paroi latérale opposée à la première paroi latérale et reliant la paroi inférieure à la paroi supérieure,- une paroi d’entrée solidaire de la paroi inférieure, de la paroi supérieure, de la première paroi latérale et de la deuxième paroi latérale, - une paroi de sortie opposée à la paroi d’entrée et solidaire de la paroi inférieure, de la paroi supérieure, de la première paroi latérale et de la deuxième paroi latérale, les paroi inférieure, paroi supérieure, première paroi latérale, deuxième paroi latérale, paroi d’entrée et paroi de sortie, définissant ensemble, une cavité interne destinée à être remplie d’un liquide diélectrique. Figure pour l'abrégé : Figure 1
Resumen de: FR3162922A1
Batterie pour véhicule comprenant un boîtier qui comporte - un compartiment inférieur logeant un premier groupe de modules de batteries, - un compartiment supérieur logeant un deuxième groupe de modules de batteries et un système de contrôle des modules de batterie, le compartiment supérieur et le compartiment inférieur étant séparés par une plaque (5), dite plaque supérieure, portant le deuxième groupe de modules, la plaque supérieure (5) présentant une ouverture traversante (55) permettant le passage d’un élément de connexion électrique (6) qui s’étend depuis le compartiment inférieur vers le compartiment supérieur et qui est agencé pour connecter au moins un module du compartiment inférieur et le système de contrôle. Figure pour l’abrégé : figure 4c
Resumen de: FR3162753A1
L’invention concerne un précurseur d’électrolyte anionique réticulable comprenant :- un premier monomère hydrocarboné comportant deux fonctions thiol et un deuxième monomère hydrocarboné comportant deux double liaison C=C, - un porteur de charge comprenant un composé hydrocarboné comportant au moins une ou deux double liaison C=C et un cation organique, ledit cation étant notamment associé à un anion,- un réticulant comprenant un composé hydrocarboné comportant au moins trois doubles liaison C=C. Figure 1 à publier
Resumen de: FR3162923A1
Sous-ensemble électronique (120) pour batterie de véhicule, configuré pour former une connexion entre des modules de batterie et des organes électriques du véhicule, le sous-ensemble (120) comporte un support (20) de pré-positionnement de chacun des composants, configuré pour être rapporté, avec les composants pré-positionnés, dans un compartiment d’un boîtier de batterie comprenant les modules de batterie. Figure pour l’abrégé : figure 2a
Resumen de: FR3162841A1
Dispositif de mesure des variations dimensionnelles de cellules électrochimiques de batterie lors de cycles de charge et de décharge, comportant suivant un axe principal (A) entre une plaque inférieure (2) et une plaque supérieure (4) d’une presse reliées rigidement, un empilage comprenant un plateau fixe (14) et un plateau mobile (12) de serrage entre eux d’une cellule en appliquant une force axiale, un capteur de cette force axiale (26), un capteur de déplacement axial du plateau mobile (12), et un vérin hydraulique (16) comprenant d’un côté d’un piston une première chambre délivrant une première force vers la cellule, et de l’autre côté une deuxième chambre, équipée d’un réservoir avec accumulateur de pression à gaz (66), délivrant une deuxième force de contrôle de pression qui est opposée à la première force pour donner au final la force axiale appliquée par le vérin (16). Figure 1
Resumen de: FR3162921A1
Titre : Structure de comblement L’invention a pour objet une structure de comblement (12) configurée pour être disposée dans une enceinte recevant des composants (10) dont le fonctionnement est sensible à la température, chaque composant présentant une hauteur (H), cette enceinte étant configurée pour recevoir un fluide diélectrique destinée à immerger les composants. La structure de comblement comporte : - au moins une embase (24) configurée pour s’appuyer sur un pourtour de l’un des composants (10) dont le fonctionnement est sensible à la température, - au moins une colonne (26) se raccordant à l’au moins une embase (24) et s’étendant dans le sens de la hauteur du composant (10), la colonne (26) présentant une hauteur (h) d’au moins 20% ou au moins 30% de la hauteur (H) du composant (10), la colonne (26) au moins partiellement définissant un passage de fluide. Figure pour l’abrégé : Fig. 4
Resumen de: US2025372709A1
The electrolyte includes a first additive, in which a mass fraction of the first additive in the electrolyte is 2.5-5.5%, the first additive contains trimethyl phosphate (TMP) and ethoxy (pentafluoro) cyclotriphosphazene (PFPN), and a mass ratio of the TMP to the PFPN is (0.5-2):(2-3.5). The electrolyte is added with the first additive containing TMP and PFPN, and both the TMP and PFPN have properties of low combustion heat, which enhances the flame retardant effect of the electrolyte. By applying the electrolyte in a lithium-ion battery, it not only reduces the risk of the lithium-ion battery becoming flammable and explosive, when suffering thermal runaway, caused by the generation of flammable gases due to the reduction and decomposition of the electrolyte, improving the safety performance of the batteries, but also reduces the gas generation of the battery stored at high temperatures, and improves the battery storage performance at high temperatures.
Resumen de: US2025372726A1
The present invention provides a separator for lithium batteries with electrodes having a thickness greater than 0.1 mm, characterized in that the separator is formed by interwoven electrically non-conductive inorganic fibers, optionally with an admixture of non-conductive inorganic particles; wherein the length of the fibers is within the range from 0.5 to 30 mm, and the thickness of the fibers is within the range from 20 to 1500 nm; wherein the fiber material is glass: the pore size of the separator is in the range of 0.02 to 2.5 micrometers, wherein the pore size of the separator is the average pore size of the separator determined by averaging at least 50 values of pore diameters read from the electron microscopy image; the absorbency of the separator expressed as the weight of the soaked electrolyte 1M LiPF6 in ethylene carbonate/dimethyl carbonate in the volume ratio (v:v)=1:1 is 1 to 10 times the weight of the separator.
Resumen de: US2025372715A1
A electrolyte solution includes a first additive having a structure represented by formula (I) and a second additive having a structure represented by formula (II): where R1, R2, R3 each are independently selected fromand R4, R5, and R6 each are independently selected from a C1-C10 alkyl group, a C2-C10 alkenyl group, or a C1-C10 alkoxy group; and X is selected from hydrogen, halogen, the C1-C10 alkyl group, the C2-C10 alkenyl group, a C2-C10 alkynyl group, or a C1-C4 cyano group, and n is 1, 2, 3, or 4.
Resumen de: US2025372731A1
A secondary battery includes an electrode assembly and an electrolyte. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator. The separator includes a substrate layer and a first adhesive layer. The substrate layer includes a third surface and a fourth surface opposite to each other. The third surface faces the negative electrode plate. The first adhesive layer is disposed on the third surface and is of a striped structure. A part of the separator extending beyond the negative electrode plate is defined as a separator extension part. The first adhesive layer is at least partially located on the separator extension part. A peel strength between the separator and the first negative electrode material layer is a N/m, and a peel strength between the first negative electrode material layer and the negative electrode current collector is b N/m, where 6.0≤a≤15.0, and a
Resumen de: US2025372724A1
A method for producing accumulators which each have at least one cell stack, wherein to produce the cell stack, individual sheets are stacked via a stacking device in that the individual sheets are fed one after the other via a conveying line of the stacking device to a stacking wheel arrangement of the stacking device. The stacking wheel arrangement has two stacking wheels which are arranged in two planes one above the other. A predefined number of successive individual sheets are fed to one of the two stacking wheels. The predefined number corresponds to the number of individual sheets in a finished cell stack. A plurality of the individual sheets following the predefined number of individual sheets are fed to the other of the two stacking wheels.
Resumen de: US2025372713A1
An electrochemical device includes a negative electrode plate and an electrolyte solution. The negative electrode plate includes a negative electrode material layer. The negative electrode material layer includes a silicon-carbon negative electrode material. The silicon-carbon negative electrode material includes a dopant element. The dopant element includes at least one of elements B, P, or S. The electrolyte solution includes a compound represented by Formula I and fluoroethylene carbonate.
Resumen de: US2025372751A1
This thermal management apparatus for energy storage batteries in cold regions combines a battery enclosure and a diesel-fired circulation heater. The enclosure comprises an enclosure body with dual-layer outer/inner housings separated by a first vacuum insulation layer, and a cover mounted atop the enclosure body containing a second vacuum layer. The inner housing incorporates a water reservoir interlayer connected to two upper-mounted delivery pipes. The cover features water delivery ports fitted with adapters coupling to the pipes, along with a cable routing hole accessing the inner housing. The heater forms a closed hydraulic loop by connecting its inlet and outlet to respective adapters. A temperature sensor installed on the inner housing's interior wall is linked to the heater for operational control. The dual vacuum insulation layers synergize with the circulating water system to maintain optimal battery temperature while minimizing heat dissipation.
Resumen de: US2025373032A1
Disclosed is a fast switch-off circuit for a charging tube of a battery management system, which includes a control circuit, a pull-down discharge circuit, and a discharge detection circuit. The control circuit synchronously switches on the pull-down discharge circuit when switching off the charging tube; and switches off the pull-down discharge circuit when detecting a trigger signal. The pull-down discharge circuit pulls down a gate voltage of the charging tube to a ground potential so as to discharge fast, when being switched on. The discharge detection circuit generates and transmits the trigger signal to the control circuit, when the gate voltage of the charging tube drops to a low-level threshold or a pull-down time of the charging tube reaches a time threshold, after the pull-down discharge circuit is switched on. The fast switch-off circuit ensures fast switch-off for a charging tube of a battery management system, while minimizing power consumption.
Resumen de: US2025372752A1
A secondary battery including an electrode assembly accommodated in a packaging bag. One end of an electrode terminal is electrically connected to the electrode assembly, and another end of the electrode terminal extends out of the packaging bag. A heating module includes an insulation layer and a body portion, a sealing portion, and an extension portion sequentially connected, the body portion is disposed in the electrode assembly or between the electrode assembly and the packaging bag, the sealing portion is disposed in the packaging bag, the extension portion is disposed outside the packaging bag, and the insulation layer entirely covers an outer surface of the body portion. A sealing layer is at least partially disposed on a surface of the sealing portion and hermetically connected to the packaging bag. In a thickness direction of the heating module, an overlapping region is present between the insulation layer and the sealing layer.
Resumen de: US2025372732A1
A method and system for at least partially desulfating at least one lead-acid battery is described. A series of current pulses formed by positive current pulses alternating with negative current pulses are applied to the at least one battery. The alternating positive and negative current pulses are applied to the at least one lead-acid battery with a separating time between consecutives pulses that is below a predefined time.
Resumen de: US2025372712A1
A battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution. The negative electrode plate includes a negative electrode current collector including a copper foil and a negative electrode active material layer including a negative electrode active material which including a silicon-based active material, the electrolyte solution includes lithium bis(trifluoromethanesulfonyl)imide; and the battery satisfies following relationship: B−10A−C/10+3≥0; A is a grain size of copper foil, in a unit of m; B is a mess percentage of lithium bis(trifluoromethanesulfonyl)imide in the electrolyte solution, in a unit of wt %; C is a mass percentage of the silicon-based active material in the negative electrode active material, in a unit of wt %, and C≤50. The battery may significantly alleviate silicon negative electrode expansion while enhance the kinetic performance and cycling stability of the battery under room-temperature.
Resumen de: US2025372756A1
The present disclosure relates to the technical field of coatings, and specifically discloses a coating, a battery, and an electricity-consumption device. A total heat release of the coating in a first temperature range and a second temperature range ranges from 30 J/mg to 60 J/mg. The first temperature range is from 120° C. to 220° C. The second temperature range is from 220° C. to 270° C.
Resumen de: US2025372758A1
A method for producing an electrical accumulator includes the steps of: providing a cooling element which extends along a longitudinal axis and has a first side face and a second side face; applying adhesive onto the first side face; arranging at least one energy-storage cell on the first side face while, particularly interlockingly, supporting the cooling element from the second side face.
Resumen de: US2025372760A1
The invention relates to a heat exchange plate for thermal management of a battery pack, having first and second plates, at least the first plate having at least one channel, the first and second plates adjoining one another such that the channel partially delimits at least one duct of a circuit for circulation of a heat-transfer fluid. The first plate is made of a first material and the second plate is made of a second material that is different from the first material and confers a structural function on the second plate.
Nº publicación: US2025372610A1 04/12/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Resumen de: US2025372610A1
A positive electrode plate, a battery, and an electric apparatus. The positive electrode plate includes at least two positive electrode active material layers; two adjacent layers of the positive electrode active material layers respectively include a first positive electrode active material and a second positive electrode active material; an average particle size of the first positive electrode active material is denoted as R1; an average particle size of the second positive electrode active material is denoted as R2; and R1 and R2 satisfy the following relationship: R1≥ 5R2. When R1 and R2 of the first positive electrode active material and the second positive electrode active material satisfy R1≥5R2, the positive electrode plate is configured to include at least two positive electrode active material layers.
BOPI
Sede Electrónica
