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1357
resultados
Última actualización
14/04/2026 [07:22:00]
Resumen de: FR3167213A1
Méthode (100) pour détecter une défaillance d’une batterie Lithium-Ion. La méthode comporte, pour au moins une phase de relaxation de la batterie, et pour chaque cellule de la batterie : une collecte (110) de plusieurs mesures de tension de la cellule,une formation (120) d'un signal de relaxation sous la forme d’un logarithme d'une valeur normalisée de la tension de la cellule,une décomposition (130) en modes empiriques (EMD) du signal de relaxation en composantes intrinsèques. La méthode (100) comporte également : une détermination (150) d'une valeur d'incidence représentative d’un état de santé de la batterie à partir des composantes intrinsèques obtenues pour les différentes cellules, une évaluation (160) d’un critère de détection d’une défaillance de la batterie en fonction de la valeur d’incidence. Figure pour l’abrégé : Fig. 2
Resumen de: FR3167250A1
Procédé de préchauffage d’une batterie haute tension d’un véhicule et véhicule correspondant L’invention concerne un procédé de préchauffage d’une batterie haute tension d’un véhicule (200) électrique ou hybride, utilisant un système de gestion thermique (1) apte à fonctionner en mode pompe à chaleur, le procédé de préchauffage comportant des étapes de :- réception d’un instant de démarrage (td) du véhicule (200) et d’une température initiale (Tbatt_init) de la batterie haute tension,- estimation d’une énergie thermique (Eth) à transmettre à la batterie haute tension pour que celle-ci atteigne une température cible (Tcible), - détermination d’un instant d’activation (tact) du système de gestion thermique (1) et de ses paramètres (Rpm_30, ω, P22) de fonctionnement, et- préchauffage de la batterie haute tension à partir de l’instant d’activation (tact), en utilisant les paramètres (Rpm_30, ω, P22) de fonctionnement,l’instant d’activation (tact) étant déterminé de sorte à minimiser une consommation électrique du système de gestion thermique (1) sur la durée de préchauffage. (Figure 3)
Resumen de: FR3167059A1
DISPOSITIF D'EXTINCTION D'INCENDIE POUR VÉHICULE ÉLECTRIQUE L’invention concerne un dispositif d'extinction d'incendie pour véhicule électrique (100) comprenant un canal de cavité structural (22) formé dans un compartiment de batterie du véhicule électrique, et un connecteur (30) qui prolonge le canal jusqu'à une surface de carrosserie du véhicule (21). Dans un exemple, le connecteur est relié à un connecteur correspondant (40), une conduite, un panneau de commande (60) et une unité d'alimentation externe en agent extincteur (70) à l'extérieur du véhicule. Un détecteur envoie un signal au panneau de commande en cas de détection d'un incendie, et une vanne de conduite d'agent extincteur s’ouvre automatiquement pour libérer un agent à l'intérieur. Dans un autre exemple, le connecteur est relié à un connecteur correspondant, une conduite et une unité d'alimentation externe de source d’eau d'extinction d'incendie à l'extérieur du véhicule, et une conduite de source d'eau d'extinction d'incendie est ouverte manuellement. Figure à publier avec l'abrégé : Fig. 1
Resumen de: FR3167261A1
L’invention concerne un procédé pour la protection d’un circuit électrique (10) de véhicule électrique ou hybride comprenant une liaison électrique vissée (51, 52, 53, 54), une batterie (20) comprenant un module (21, 22) et un interrupteur (30), la liaison électrique vissée comprenant une sonde de température (41, 42, 43, 44), le procédé comprenant les étapes suivantes : - deux étapes de mesure de valeur de température de la liaison électrique vissée ;- une étape de calcul d’une valeur de gradient temporel de température de la liaison électrique vissée ;- une étape d’ouverture de l’interrupteur lorsque la valeur de gradient temporel de température calculée est supérieure à une valeur de seuil de gradient temporel de température de la liaison électrique vissée. Figure 1
Resumen de: FR3167214A1
Méthode (100) pour estimer un état de santé d’une batterie Lithium-Ion. La méthode comporte, pour au moins une phase de relaxation de la batterie, et pour chaque cellule de la batterie : une collecte (110) de plusieurs mesures de tension de la cellule,une formation (120) d'un signal de relaxation sous la forme d’un logarithme d'une valeur normalisée de la tension de la cellule,une décomposition (130) en modes empiriques (EMD) du signal de relaxation en composantes intrinsèques. La méthode (100) comporte également : un calcul (150) d'une variance d'énergies des cellules à partir des composantes intrinsèques obtenues pour les différentes cellules, une détermination (160) d'un état de santé courant de la batterie (20) en fonction de la variance des énergies des cellules pour la phase de relaxation considérée. Figure pour l’abrégé : Fig. 2
Resumen de: US20260100369A1
0000 Composite particles are provided, including: a copolymer, and a tackifier, in which the copolymer has a first structural unit derived from a monomer (a1) and a second structural unit derived from a monomer (a2), the monomer (a1) is a nonionic compound having only one ethylenically unsaturated bond, and the monomer (a2) is a compound having a carboxy group and only one ethylenically unsaturated bond.
Resumen de: US20260097960A1
0000 The present invention relates to a new synthetic pathway for manufacturing bis(halogeno sulfonyl)imide, which are useful intermediates in the synthesis of lithium bis(fluorosulfonyl)imide (LiFSI).
Resumen de: US20260100404A1
0000 A bipolar electrode includes a first active material layer, a first current collector, an intermediate conductor, a second current collector, and a second active material layer that are stacked in order in a stacking direction, wherein the first active material layer is provided on a first surface of the first current collector, the second active material layer is provided on a second main surface of the second current collector, a second surface of the first current collector is bonded to a front surface of the intermediate conductor, a first main surface of the second current collector is bonded to a back surface of the intermediate conductor, the second active material layer is located inside the first active material layer when viewed from the stacking direction, and in a length direction, a length of the intermediate conductor is longer than lengths of the first current collector and the second current collector.
Resumen de: US20260100482A1
An electrochemical apparatus includes a housing, an electrode assembly, a first insulating layer, and an electrolyte, where the electrode assembly and the electrolyte are accommodated in the housing. The electrode assembly includes a plurality of electrode plates stacked along a first direction and a first separator disposed between the plurality of electrode plates. The electrode assembly further includes a first surface and a second surface opposite each other in the first direction, and a first end face connecting the first surface and the second surface. The first insulating layer is adhered to the first surface, the second surface, and the first end face. The first separator includes a substrate layer and a plurality of first coatings spaced apart on a surface of the substrate layer facing an adjacent electrode plate.
Resumen de: US20260100429A1
An overheating diagnosis apparatus includes a measuring unit configured to measure a temperature of an object, a storage unit configured to store a temperature value measured by the measuring unit, and a control unit. The control unit is configured to extract, at each diagnosis point at which overheating of the object is diagnosed, a plurality of previous diagnosis points corresponding to a predetermined number of samples based on a diagnosis point, calculate a moving average value which is an average of a plurality of temperature values corresponding to each of the plurality of previous diagnosis points, and calculate an standard deviation average value which is an average of a plurality of standard deviations corresponding to each of the plurality of previous diagnosis points.
Resumen de: US20260100363A1
0000 A positive electrode material including a first positive electrode active material and a second positive electrode active material. The first positive electrode active material is in the form of a secondary particle in which a plurality of grains are aggregated, and includes an orientational structure in which the long axis of the grain is arranged toward the surface from the center of the secondary particle in at least a portion of the secondary particle. It also has a cobalt concentration at the grain boundary that is higher than a cobalt concentration inside the grains. The second positive electrode active material includes a center part having at least one form among a single particle composed of one nodule and a quasi-single particle composed of a composite of at most 30 nodules, and a coating layer formed on the center part and containing cobalt.
Resumen de: US20260100446A1
A battery module including an upper battery cell stack and a lower battery, each of the upper and lower battery cell stacks including a plurality of battery cells; a cooling flow path located between the upper battery cell stack and the lower battery cell stack; a housing for the upper battery cell stack and the lower battery cell stack; an inlet port for supplying a refrigerant to the cooling flow path; and an outlet port for discharging the refrigerant from the cooling flow path, where the inlet and outlet ports are located opposite to each other, so that the refrigerant flows in one direction in the cooling flow path. A longitudinal direction of each of the plurality of battery cells is parallel to the one direction of flow of the refrigerant.
Resumen de: US20260100459A1
A battery module for a vehicle, in particular for an aircraft, comprises two end plates and a cell stack comprising an arrangement of several interconnected battery cells, in particular pouch cells, that are arranged in a row along a stacking direction, wherein the cell stack is sandwiched between the two end plates in the stacking direction, wherein the battery module further comprises a separate tube-like enclosure comprising a heat insulating material, the tube-like enclosure having a front opening and a back opening that are closed by the end plates, so that the tube-like enclosure and the two end plates form a housing in which the cell stack is accommodated.
Resumen de: US20260098646A1
0000 The present disclosure relates to portable forced air heaters and radiant heaters. Portable air forced air heaters include a blower, a blower housing, a burner disposed within the burner housing, a fuel tank in fluid communication with the burner, a fan pump and a battery connector. The battery connector of this disclosure allows for different batteries with different distinguishing features to be used.
Resumen de: US20260100475A1
0000 A battery pack includes a plurality of battery modules; a vent frame disposed along the edges of the plurality of battery modules; and a housing accommodating the plurality of battery modules and the vent frame, wherein the vent frame includes a pair of vertical beams formed parallel to a first direction and a pair of horizontal beams formed parallel to a second direction intersecting the first direction, the vertical beam and the horizontal beam each having a shape of a tube and including a cover formed on the vertical beam or the horizontal beam in a length direction, and a passage surrounded by the cover for gas to pass through.
Resumen de: US20260100360A1
A positive electrode active material with high charge and discharge capacity is provided. A positive electrode active material with high charge and discharge voltage is provided. A secondary battery which hardly deteriorates is provided. A highly safe power storage device is provided. A novel secondary battery is provided. The positive electrode active material contains cobalt, oxygen, and fluorine and includes a bond of the cobalt and the fluorine in a surface portion or the vicinity of a grain boundary. By having the bond with fluorine, at least part of cobalt is high-spin (paramagnetic) Co2+. Thus, in ESR analysis, the spin concentration at 113 K is higher than the spin concentration at 300 K by 1.1×10−5 spins/g or more.
Resumen de: US20260100359A1
Provided are a negative electrode, which includes a current collector and a negative electrode active material layer disposed on the current collector, wherein the negative electrode active material layer includes a conductive material, a negative electrode active material, and a binder, the negative electrode active material includes a silicon-based active material having a convexity of 0.8 or more as measured using a particle shape analyzer, and the convexity is defined by the following Formula 1, and a secondary battery including the negative electrode.Convexity(Cx)=Convexhullperimeter(Pc)/Actual perimeter(P)Formula1
Resumen de: US20260100430A1
Provided are a more easily assembled sensing assembly and a battery module comprising the same by having a simplified process through a connection structure between a terminal portion and a signal connection portion which are respectively coupled to a case and lead portions of a battery cell, thereby solving a problem that an additional process is necessary for a conventional sensing block to be coupled to leads of the secondary batteries after being coupled to a case.
Resumen de: US20260096606A1
0000 A power supply unit for an aerosol generation device includes: a power supply configured to supply power to a heater configured to heat an aerosol source; a receptacle configured to receive power for charging the power supply from a plug connected to an external power supply; a charger configured to control charging of the power supply by power received by the receptacle; and a controller. The receptacle and the power supply are connected in parallel with the charger, and the charger is configured to supply power from the receptacle and the power supply to the controller via the charger.
Resumen de: US20260100351A1
This invention relates to particulate electroactive materials consisting of a plurality of composite particles, wherein the composite particles comprise: (a) a porous carbon framework including micropores and mesopores having a total volume of 0.4 to 0.75 cm3/g, wherein the micropore volume fraction is in the range of 0.5 to 0.85 based on the total volume of micropores and mesopores; and (b) silicon located at least within the micropores of the porous carbon framework in a defined amount relative to the volume of the micropores and mesopores.
Resumen de: US20260100444A1
0000 A battery pack includes: battery cells, each including first and second end portions that are opposite each other in a length direction; a case having an accommodation space in which the battery cells and a fluid to cool the battery cells are configured to be accommodated, the case including first and second covers respectively covering the first and second end portions; first and second tab plates respectively on the first and second covers and connected to the first and second end portions; a circuit board on the first tab plate; and a first lead and a second lead through which the first and second tab plates are connected to the circuit board, the first and second leads connected to a first side portion of the circuit board. An arrangement of the leads connected to electrodes of the battery cells is improved, and heat is efficiently dissipated from a switch device.
Resumen de: US20260097173A1
The e-vaping device includes a vaporizer assembly, which includes a heating element, a pre-vapor formulation reservoir, a pre-vapor formulation level indicator including a plurality of discrete indicator segments, and at least one processor. The pre-vapor formulation reservoir may be configured to contain a pre-vapor formulation and the at least one processor may be configured to determine a difference between a first duty cycle of power supplied to the heating element and a second duty cycle of power supplied to the heating element; and adjust the indicator based on the determined duty cycle difference.
Resumen de: US20260100352A1
0000 A negative electrode active material for a lithium secondary battery, the negative electrode active material including, based on 100 parts by weight of the total negative electrode active material, 5 parts by weight to 20 parts by weight of a first carbon-based particle, 55 parts by weight to 90 parts by weight of a second carbon-based particle, and 1 part by weight to 40 parts by weight of a silicon-based particle, wherein the specific surface area of the first carbon-based particle is 1.5 m<2>/g to 4.5 m<2>/g, the specific surface area of the second carbon-based particle is 0.4 m<2>/g to 1.5 m<2>/g, and the specific surface area of the first carbon-based particle is greater than the specific surface area of the second carbon-based particle, and capable of solving the problem of lifespan deterioration which may be caused by the use of a silicon-based particle as a negative electrode active material.
Resumen de: US20260100357A1
A silicon-carbon composite material includes a core portion and a shell layer disposed on a surface of the core portion, where the core portion includes a silicon-based material and/or graphite, the shell layer includes a silicon-carbon composite, and the silicon-carbon composite includes a silicon-oxygen compound SiOx, where 0
Nº publicación: US20260100442A1 09/04/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
Resumen de: US20260100442A1
0000 A box body comprises an end plate, a face plate, and a medium flow channel, and the face plate is connected to one end of the end plate. The medium flow channel is used to accommodate a heat exchange medium. The medium flow channel is at least partially located on the end plate. The medium flow channel is provided with a medium inlet and a medium outlet, and the medium inlet and/or the medium outlet is arranged on the face plate. The box body is provided with the medium flow channel, and the medium flow channel is used for the heat exchange medium to pass through to carry out thermal management on a device in the box body.
BOPI
Sede Electrónica
