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1404
resultados
Última actualización
06/05/2026 [07:51:00]
Resumen de: FR3168076A1
L’invention concerne une batterie de véhicule électrique ou hybride et un procédé d’assemblage de la batterie. La batterie comprend une pluralité de cellules de batterie (10), une entretoise (20, 20’), un châssis (50) et une plaque (40, 40’). La pluralité de cellules de batterie (10) s’étend selon un premier axe (X1) et un deuxième axe et est disposée selon un troisième axe perpendiculaire au premier axe (X1) et au deuxième axe. L’entretoise (20, 20’) comprend une pluralité de canaux (30, 30’) s’étendant selon le troisième axe. Le châssis (50) est configuré pour recevoir la pluralité de cellules de batterie (10). La plaque (40, 40’) s’étend dans un plan comprenant le deuxième axe et le troisième axe, l’entretoise (20, 20’) étant en contact avec la pluralité de cellules de batterie (10), la pluralité de canaux (30, 30’) étant configurée pour faire circuler un fluide caloporteur. Figure 1
Resumen de: FR3168074A1
Module de batterie pour véhicule, le module comportant : - une pluralité de cellules (10) de batterie agencées dans une direction dite « d’agencement » ;- un circuit imprimé disposé au sommet des cellules de batterie, le circuit imprimé comprenant une partie primaire (20) s’étendant sensiblement dans un plan (P) parallèle à la direction d’agencement et une partie secondaire (22) formant support d’un capteur de température (30) pour mesurer la température d’une des cellules de batterie ; module dans lequel la partie secondaire (22) forme un palier (24) qui porte le capteur de température (30) et qui est décalé par rapport au plan (P) vers ladite cellule (10) de batterie de manière à être en contact thermique avec une surface extérieure de ladite cellule de batterie, la partie secondaire (22) étant reliée à la partie primaire (20) du circuit imprimé par deux parties de jonction (26, 28) disposées de part et d’autre du palier (24). Figure 5
Resumen de: FR3167953A1
Composition à base de composés (méth)acrylate La présente invention concerne une composition bicomposante réticulable comprenant : - un composant A comprenant : un oxydant ;au moins un monomère (méth)acrylate; - un composant B comprenant : un réducteur ; ladite composition comprenant au moins une charge thermoconductrice dans le composant A et/ou B ; ladite composition ayant, après réticulation, une densité à 23°C allant de 1,6 à 2,2 ; ladite composition ayant, après réticulation, un ratio densité à 23°C / conductivité thermique allant de 0,80 à 1,30 ; ladite composition étant dépourvue de composés comprenant un groupe peroxyde. Figure : Néant
Resumen de: FR3168081A1
Assemblage d’éléments électrochimiques, module de batterie, ensemble et procédé associé L’assemblage (14) comprend un premier bloc (16E) et un deuxième bloc (16F) d’éléments électrochimiques (18), et un ensemble de maintien (32) des éléments électrochimiques (18) comprenant deux structures terminales et deux structures latérales L’ensemble de maintien (32) du premier bloc (16E) comprend une première cale (74A) faisant saillie depuis l’une des deux structures terminales et/ou latérales suivant une direction de liaison des blocs. L’ensemble de maintien (32) du deuxième bloc (16F) comprend une deuxième cale (74B) faisant saillie depuis l’une des structures terminales et/ou suivant la direction de liaison. La première et la deuxième cale sont engageables l’une avec l’autre par coopération mécanique, entre une configuration désengagée et une configuration engagée dans laquelle le mouvement du premier bloc (16E) à l’écart du deuxième bloc (16F) le long de la direction de liaison est empêché. Figure pour l'abrégé : figure 5
Resumen de: FR3168010A1
La présente invention concerne un procédé et un dispositif de détermination du type de pile ou d’accumulateur utilisé dans un dispositif. Selon l’invention : - on mesure (E400, E404) la tension délivrée par la pile ou de l’accumulateur lorsque la pile ou l’accumulateur délivre un courant inférieur à une première valeur prédéterminée, et un courant supérieur à la première valeur prédéterminée, - on calcule (E405) une résistance équivalente série de la pile ou de l’accumulateur à partir des deux mesures et du courant au moins supérieur à la seconde valeur prédéterminée, - on détermine (E407, E408) que le type de pile ou d’accumulateur est du premier type en fonction des tensions et de la résistance équivalente série. Figure à publier avec l’abrégé : Fig. 4
Resumen de: FR3168083A1
Système de régulation thermique pour un ensemble d’au moins deux dispositifs électrochimiques (100a-100c), le système comprenant une source (201) d’un fluide caloporteur, un échangeur thermique (208), une unité de chauffage (202), une pompe (206a-206c) et deux vannes (209a-209c). Le fluide caloporteur est fourni par la source (201) à une température inférieure à une température basse, ladite pompe (206a-206c) permet au fluide caloporteur d’atteindre chacun des moyens d’échange thermique associés aux deux dispositifs électrochimiques (100a-100c), et chacune desdites vannes (209a-209c) permet une interruption d’une circulation de fluide caloporteur vers l’un des dispositifs électrochimiques. Le système comprend une seconde source (203) du fluide caloporteur, le fluide de la seconde source (203) étant chauffé par un des deux dispositifs (100a-100c) jusqu’à une température haute, et un des dispositifs (100a-100c) est chauffé par le fluide de la seconde source (203). Figure de l’abrégé : 2
Resumen de: FR3168075A1
L’invention concerne un procédé de réchauffage d’une batterie (10) pour un système de véhicule électrique (1), le système de véhicule électrique (1) comprenant la batterie (10), un onduleur (11) connecté à la batterie (10) et une machine électrique (12) connecté à l’onduleur (11), l’onduleur (11) étant apte à permettre un échange d’énergie électrique entre la batterie (10) et la machine électrique (12) de sorte à réchauffer la batterie (10). L’invention concerne en outre le système de véhicule électrique comprenant la batterie (10), l’onduleur (11) et la machine électrique (12). L’invention concerne également le véhicule électrique comprenant le système de véhicule électrique. Figure 1
Resumen de: US20260121244A1
A battery module having first and second cylindrical battery cells is provided. The module includes a laminated busbar assembly having a bottom isolation layer, a first busbar layer, an intermediate isolation layer, and a second busbar layer. The bottom isolation layer has a first aperture that receives the positive electrode of the first battery cell therethrough and exposes a portion of the negative electrode of the first battery cell. The first busbar layer has a first aperture that receives the positive electrode of the first battery cell therethrough. A portion of the first busbar layer electrically contacts the negative electrode of the first battery cell. The intermediate isolation layer has a first aperture that receives the positive electrode of the first battery cell therethrough. The second busbar layer electrically contacts the positive electrode of the first battery cell.
Resumen de: US20260121119A1
0000 The present disclosure provides a battery. The battery includes a positive electrode plate, a negative electrode plate, a separator, and an electrolyte. The negative electrode plate has a porosity of φ in unit of %. The separator has a thickness of t in unit of μm, and a pore size of R in unit of μm. A ratio of a total mass of the electrolyte to a discharge capacity of the battery is N in unit of g/Ah. The electrolyte includes an electrolyte additive. The electrolyte additive includes a sulfate ester compound and a first lithium salt additive. The first lithium salt additive includes an oxalate-containing lithium salt. The sulfate ester compound has a structure represented by Formula I. A mass fraction of the sulfate ester compound in the electrolyte is C in unit of %. The battery satisfies Formula A: 0000 0 . 0 1 ≤ φ × N × C 1 0 4 × t × R ≤ 0.5 . Formula A
Resumen de: US20260121431A1
An electronic device includes a charging circuit and a bypass circuit. The charging circuit adapted to charge a battery of the electronic device. The bypass circuit is connected in parallel with the charging circuit. A controller is configured to selectively turn on or turn off the bypass circuit with a first switch connected in series with the bypass circuit and to selectively turn on or turn off the charging circuit with a second switch connected in series with the charging circuit. The controller further configured to: measure a first voltage from upstream of the charging circuit with both the bypass circuit and the charging circuit being turned off; measure a second voltage from upstream of the charging circuit with the bypass circuit being turned on and the charging circuit being turned off; compare the first voltage with the second voltage; and determine a charging conductivity based on the comparison result.
Resumen de: US20260116263A1
The present disclosure relates to a computer system and a method for controlling a power system of a vehicle. The power system includes a fuel cell system and an energy storage system including one or more batteries. The method includes: predicting a refuelling event during which the vehicle is expected to refuel a fuel tank of the fuel cell system at a fuelling station, estimating an instance for initiating a shutdown process of the fuel cell system, wherein after the estimated instance the vehicle is expected to be operated in a first operating mode, until an arrival to the fuelling station, and controlling the power system in a way such that the state-of-energy level of the energy storage system is equal to or higher than the determined state-of-energy threshold level when the vehicle reaches the estimated instance.
Resumen de: US20260118059A1
An oven drying apparatus and an electrode plate manufacturing device are described. The oven drying apparatus comprises an oven and a plurality of control units. The oven is formed by splicing a plurality of oven modules, each of the oven modules comprises an oven chamber and a blowing apparatus, the blowing apparatus is at least partially arranged inside the oven chamber, and the blowing apparatus is configured to blow air towards the material strip inside the oven chamber. The plurality of control units each corresponds to one of the plurality of oven modules, each of the control units is configured to control an outlet air parameter of the blowing apparatus of the corresponding oven module. The technical solution provided by the present application can improve the quality of batteries with reduced cost.
Resumen de: US20260121256A1
A bridge structure for combining a first electrode assembly stacked with a second electrode assembly includes a first welding part to which a first electrode tab of the first electrode assembly is bonded; a second welding part to which a second electrode tab of the second electrode assembly is bonded; and a connecting part which connects the first welding part and the second welding part to each other. The first and second welding parts are offset from one another in a diagonal direction that is oblique to the stacking direction of the first and second electrode assemblies. The connecting part extends in the diagonal direction to connect the first and second welding parts to each other.
Resumen de: US20260117414A1
The present application provides a single-crystal ternary positive electrode material and a preparation method and an application thereof. The single-crystal ternary positive electrode material satisfies the following relationships: 1 μm≤P<5 μm, 1≤D2/D1<10, and 3 μm
Resumen de: US20260121215A1
0000 A battery pack includes a box and a battery module arranged in the box. The battery module includes a pair of battery assemblies and a module bracket. Each battery assembly includes a support tray and a plurality of cells. The support tray is penetrated with through holes for arranging. pressure relief valves of the cells. The pressure relief valves of the cells of the pair of battery assemblies are arranged facing each other. The support tray is provided with pressure relief holes. The module bracket is arranged between a pair of the support trays and provided with first pressure relief channels. A pressure relief cavity is provided between the pair of support trays. The box is provided with third pressure relief channels. The through holes, the pressure relief cavity, the first pressure relief channels, the third pressure relief channels, and the pressure relief holes are in communication.
Resumen de: US20260121044A1
0000 Provided are a cathode active material and a preparation method thereof, a positive electrode plate, a battery, and an electrical device. The cathode active material includes secondary particles. The secondary particles are formed with aggregated primary particles. The secondary particles include open pores and closed pores. An open pore porosity P
Resumen de: US20260121151A1
This invention extends battery lifetime by reducing ambient temperature through these steps: adjusting ambient temperature, conducting degradation tests to obtain SOH degradation curves under various temperatures; analyzing the real-time and long-term effects of temperature drops on SOH loss and lifetime gain; balancing negative SOH impacts and positive lifetime gains to calculate the optimal ambient temperature; dynamically regulating ambient temperature to keep battery temperature within ±2° C. of optimal. Selecting this optimal temperature doubles the battery's total cumulative lifetime without seriously affecting single-charge performance, significantly reducing replacement and maintenance costs.
Resumen de: US20260121121A1
The present disclosure discloses an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes a compound represented by Formula 1 and an electrophilic film-forming additive,In the compound represented by Formula 1, R1 and R2 are each independently fluorine atom or fluoroalkyl having 1 to 10 carbon atoms.
Resumen de: US20260121571A1
A power tool includes an electric motor; a housing; a first energy storage device including at least one first energy storage unit, where the first energy storage device is detachably mounted to the housing and further configured to be detachable from the housing to supply power to another power tool; a second energy storage device including at least one second energy storage unit; a charging circuit electrically connected to the second energy storage device and the first energy storage device; and a controller configured to control the charging circuit such that the first energy storage device charges the second energy storage device.
Resumen de: US20260116259A1
A thermal management assembly includes a first valve body and a second valve body. The first valve body includes a first port, a second port, and a third port. The second valve body includes a first port, a second port, a third port, and a fourth port. The first port of the first valve body and the third port of the first valve body are separately connected to a heat exchange path of a battery. The second port of the first valve body is connected to the first port of the second valve body.
Resumen de: US20260121050A1
A positive electrode active material and a preparation method thereof. The positive electrode active material includes a secondary particle composed of primary particles; and the primary particle includes Li1+aFe1-x-yMnxAy(PO4), where −0.1≤a≤0.4, 0.5≤x≤0.7, 0≤y≤0.01, A includes at least one of Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn, or Y, and the positive electrode active material has a crystallinity of not less than 98%. The positive electrode active material has high crystallinity, and the ionic conductivity and electronic conductivity thereof are high. Applying the positive electrode active material to a lithium-ion battery can significantly improve the rate performance of the battery.
Resumen de: US20260121141A1
A battery module includes a case, a plurality of battery cells accommodated in the case, and a first busbar connecting at least one of the plurality of battery cells to a conductive connector, wherein the first busbar includes a first connection portion connected to the at least one battery cell, a second connection portion connected to the conductive connector, and a first linking portion connecting the first connection portion and the second connection portion to each other, wherein the first linking portion includes a material having a melting point lower than that of the first connection portion or the second connection portion.
Resumen de: US20260121061A1
A positive electrode active material that enables an increased discharge capacity retention rate of cycling performance is provided. A secondary battery includes a positive electrode pressed under a linear pressure higher than or equal to 100 kN/m and lower than or equal to 3000 kN/m and a negative electrode. When a test battery that includes the positive electrode and a negative electrode containing lithium undergoes, in an environment at higher than or equal to 25° C. and lower than or equal to 45° C., a cycling test of 50 repetitions of a cycle of charging and discharging in which, after constant current charging is performed at a charge rate of 0.5 C (1 C=200 mA/g) until a voltage of 4.7 V is reached, constant voltage charging is performed until the charge rate reaches 0.05 C at a voltage of 4.7 V, and then constant current discharging is performed at a discharge rate of 0.5 C until a voltage of 2.5 V is reached, and the discharge capacity of the battery is measured in each cycle, a discharge capacity value measured in the 50th cycle is greater than or equal to 35% and less than 100% of the maximum discharge capacity value in all the 50 cycles.
Resumen de: AU2024370142A1
The present invention relates to the technical field of safety protection of commercial lithium-ion batteries, and in particular, to a multifunctional thermal protection composite coating and a preparation method and application thereof. The multifunctional thermal protection composite coating consists of an organic-inorganic hybrid coating and an inorganic ceramic coating sequentially disposed on a surface of a base, wherein the materials for preparing the organic-inorganic hybrid coating comprise at least a polymer compound, an inorganic filler, and a solvent, and the materials for preparing the inorganic ceramic coating comprise at least an aqueous emulsion, a silicate, and an inorganic compound. The composite coating can controllably form a composite coating structure including a thermal conduction weakening layer, an air layer, and a thermal convection weakening layer during the fire process. While ensuring that the overall coating thickness is thin to meet the actual requirements of an aluminum housing of a battery, the design of three-layer composite structure can effectively weaken thermal conduction and thermal convection, and fully realize functions of high temperature resistance, flame retardant, and thermal insulation.
Nº publicación: US20260121156A1 30/04/2026
Solicitante:
SK ON CO LTD [KR]
SK On Co., Ltd.
Resumen de: US20260121156A1
An eco-friendly power source, such as a battery module for a transportation vehicle includes a first sub-module and a second sub-module each including a plurality of battery cells; a lower cover supporting the first sub-module and the second sub-module; a connection member coupled to the first sub-module and the second sub-module, respectively; and a cooling plate coupled to the lower cover and forming a flow path through which a refrigerant can flow, wherein at least a portion of the flow path is disposed to oppose the connection member with the lower cover interposed therebetween.
BOPI
Sede Electrónica
