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1356
resultados
Última actualización
03/05/2026 [07:29:00]
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: 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: 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: 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: US20260121188A1
A box body includes a first box body, a second box body, a first sealing member and a position-limiting portion. The first box body has a first sealing surface. The second box body has a second sealing surface. The first sealing member is arranged between the first sealing surface and the second sealing surface so that the first sealing surface is in sealed connection with the second sealing surface. The position-limiting portion protrudes from the second sealing surface and is configured to limit the movement of the first sealing member.
Resumen de: US20260121049A1
An electrode assembly includes a positive electrode material layer, where the positive electrode material layer of the electrode assembly includes a first positive electrode material LiMnxFe1-xPO4, a single-side thickness of the positive electrode material layer is T1 μm, and 22≤T1≤110. A length of a positive electrode plate is L1 mm. The electrode assembly further includes at least one positive electrode tab. When there is one positive electrode tab, the positive electrode tab is a centrally disposed tab structure; or when there are multiple positive electrode tabs, a ratio of the number of the positive electrode tabs to L1 is B, and 0.002≤B≤0.01.
Resumen de: US20260121191A1
0000 Disclosed is a battery module having a reinforcement member to reinforce the mechanical strength of a module case. To achieve the above-described object, the battery module according to the present disclosure includes a plurality of secondary batteries arranged in at least one direction, a module case including a cover portion, a bottom portion and a side portion to form an internal space in which the plurality of secondary batteries is mounted, and a reinforcement member disposed in the module case and fixed to a lower surface of the cover portion and an upper surface of the bottom portion.
Resumen de: US20260118440A1
The provided is a high-efficiency grading method and system for lithium-ion cells, and a storage medium. The provided aims to solve the problem of excessively long capacity grading time for lithium-ion cells. The high-efficiency grading method includes: obtaining discharge capacities C1, discharge endpoint voltages V1, rebound voltages V2, and remaining capacities C2 of lithium-ion cells; subjecting data of the obtained discharge capacities C1 or discharge endpoint voltages V1 to slicing and classification processing; plotting a scatter plot of the remaining capacities C2 against the rebound voltages V2 according to the remaining capacities C2 and corresponding rebound voltages V2 of the lithium-ion cells, performing curve fitting, and deriving remaining capacity prediction model equations; and calculating full discharge capacities of a new batch of lithium-ion cells. The provided omits the full discharge step in the conventional grading process, greatly shortening the capacity grading time and improving production efficiency.
Resumen de: US20260116777A1
A high-performance lithium manganese oxide cathode material with a low oxygen vacancy proportion is provided. According to characterization by electron paramagnetic resonance spectroscopy (EPR), an oxygen vacancy content in the high-performance lithium manganese oxide cathode material is 10 ppm to 10,000 ppm. A preparation method of the cathode material includes the following steps: thoroughly mixing a Li source compound, a Mn source compound, and a fluxing agent element-containing compound, and conducting first calcination in an air atmosphere to produce a first calcined product; mixing the first calcined product with a monovalent metal ion-containing compound, and conducting second calcination in an air atmosphere, where a temperature of the second calcination is lower than a temperature of the first calcination; and cooling and crushing.
Resumen de: US20260121132A1
The present invention provides a synthesis method for a mixed zirconium salt electrolyte material and use in a lithium metal battery. The preparation method includes the following steps: first, preparing a turbid solution of a zirconium-containing mixed electrolyte material using an existing commercial lithium battery electrolyte solution as a raw material; second, centrifuging the turbid solution obtained in the first step, taking a lower-layer precipitate, and then washing away excess impurities with a commercial carbonate electrolyte solution solvent; third, drying a white precipitate obtained after washing in the second step, and then grinding and pulverizing to obtain a mixed zirconium salt electrolyte material.
Resumen de: US20260121046A1
Provided is a positive electrode active material for a secondary battery, which is a lithium composite transition metal oxide containing nickel, cobalt, and manganese and having a nickel content accounting for 60 mol % or more of metals excluding lithium and is in the form of a single particle having an average particle diameter (D50) of 1 to 10 μm, wherein a 100-nm region from the surface toward the center of a particle of the lithium composite transition metal oxide has crystal structures of a Fd3M space group and a Fm3m space group, and a phase ratio (Fd3M/Fm3m), which is a ratio of the maximum straight length of portions occupied by the crystal structure of the Fd3M space group and the crystal structure of the Fm3m space group, is 0.2 to 0.7, as determined in a cross-sectional image file of the particle surface part of the lithium composite transition metal oxide particle, which is obtained using transmission electron microscopy (TEM).
Resumen de: US20260121112A1
The present invention can provide a method for producing a sulfide solid electrolyte, the method characterized by including: a solution preparation step for preparing a uniform solution that includes at least elemental lithium (Li), elemental tin (Sn), elemental phosphorus (P), and elemental sulfur (S) in an organic solvent; a drying step for removing the organic solvent from the uniform solution to obtain a precursor; and a heat treatment step for heat-treating the precursor to obtain a sulfide solid electrolyte.
Resumen de: US20260121185A1
Systems and methods related to securing batteries to micro-mobility transit vehicles are disclosed. In one embodiment, a method for securing a battery of a micro-mobility transit vehicle includes connecting a first electrical interface of the battery with a second electrical interface of a battery compartment in which to place the battery. The method includes inserting a mechanical interface extending from the battery into a receiving interface defined in a side of the battery compartment of the micro-mobility transit vehicle. The method includes placing the battery within the battery compartment. The method includes rotating a battery compartment door to a closed position. The method includes engaging locking cams at a first end of the battery compartment door to secure the battery compartment door in the closed position and the battery within the battery compartment.
Resumen de: US20260121225A1
An electrochemical apparatus includes a separator and an electrolyte solution, wherein the separator includes a base film and a first coating disposed on a surface of the base film, the first coating includes a solid-state electrolyte material, and the solid-state electrolyte material includes element Ti; the electrolyte solution includes compound I, and the compound I includes at least one selected from the group consisting of vinylene carbonate, vinyl ethylene carbonate, fluoroethylene carbonate, and 4,5-difluoro-1,3-dioxolan-2-one; and based on a mass of the electrolyte solution, a mass percentage of the compound I is P %, wherein P ranges from 0.5% to 20%, and based on a mass of the first coating, a mass percentage of the element Ti is Q %, wherein 1≤Q/P≤60.
Resumen de: US20260121137A1
A thermal runaway experimental apparatus and a method for using the same are described. The thermal runaway experimental apparatus includes a heating mechanism and a cooling mechanism. The heating mechanism has a reaction chamber therein for accommodating a battery cell, the heating mechanism being configured to heat the battery cell to trigger thermal runaway of the battery cell. The cooling mechanism is configured to provide a cooling medium into the reaction chamber to cool the battery cell, such that the thermal runaway of the battery cell is terminated. This thermal runaway experimental apparatus can cool the battery cell and terminate the thermal runaway reaction at any stage or any temperature point during the thermal runaway experiment of the battery cell, thereby enabling the study of the internal reaction mechanism of the battery cell at any stage or any temperature point during the thermal runaway process.
Resumen de: US20260121219A1
The present invention relates to a secondary battery which can reduce thermal energy of internal gas produced inside the case. Disclosed as an example is a secondary battery comprising: an electrode assembly; a case in which the electrode assembly is accommodated; a cap plate which seals the top of the case and includes a vent having a safety vent formed therein; and a rotating member which is coupled to the bottom of the vent hole.
Resumen de: US20260117411A1
A process for producing a graphite-containing metal oxide electrode includes: a) providing an electrolysis cell having an electrode, a further electrode and an aqueous and/or non-aqueous carbonyl-and cyano-free solvent, b) introducing black matter and a proton source into the solvent present in the electrolysis cell, where the black matter includes graphite-supported precious metal-free metal oxides, and c) applying a voltage to the electrode and the further electrode, such that the precious metal-free metal oxides and graphite provided by means of the black matter are deposited on the electrode to produce a graphite-containing metal oxide coating on the electrode for formation of the graphite-containing metal oxide electrode. The graphite-containing metal oxide electrode is used for production of hydrogen and/or oxygen by (photo)electrochemical water splitting and to an electrolysis cell for production of hydrogen and oxygen by (photo)electrochemical water splitting.
Resumen de: US20260121181A1
A secondary battery includes a housing, an electrode assembly disposed in the housing, and a first conductive plate. The electrode assembly is a stacked structure. The electrode assembly includes a first electrode plate, a separator, and a second electrode plate that are stacked sequentially in a first direction. The first conductive plate is connected to the first electrode plate. The first conductive plate extends out of the housing along a second direction perpendicular to the first direction. The first electrode plate includes a first outer electrode plate located at an outermost layer of the electrode assembly. When viewed in a third direction perpendicular to both the first direction and the second direction, the first outer electrode plate includes a first region and a second region connected in the second direction. When viewed in the third direction, the first region includes a first end connected to the second region.
Resumen de: US20260121186A1
A bus bar for a battery module is disclosed. The bus bar has a base and a sidewall. The sidewall includes a folded configuration forming a dual wall. The dual wall includes a center projection. One or more stress-relief features are provided on the sidewall. A plurality of terminal receivers are provided on the base and configured to couple to a plurality of battery terminals. A battery module including a bus bar is also disclosed.
Resumen de: US20260121077A1
0000 A facile method is based on a pack-cementation process using large-area copper foil instead of copper powder. By controlling a pack-cementation time and an amount of alloying element (e.g., aluminum), a hierarchical microporous or nanoporous copper can be created. When coated with tin active material, the hierarchical microporous or nanoporous copper can be used as an advanced lithium-ion battery anode. A coin-cell test exhibited a four-fold higher areal capacity (e.g., 7.4 milliamp-hours per square centimeter without any performance degradation up to 20 cycles) as compared to a traditional graphite anode.
Resumen de: US20260116762A1
A holey thermally expanded-reduced graphene oxide having high specific surface area and pore volume including pores on the surface, a method for preparing the same, and a sulfur-carbon composite and a lithium secondary battery including the same.
Nº publicación: US20260116690A1 30/04/2026
Solicitante:
KOERBER TECH GMBH [DE]
K\u00D6RBER TECHNOLOGIES GMBH
Resumen de: US20260116690A1
The invention relates to a device for joining webs of material for the production of energy cells, in particular electrode webs, wherein a running-out web of material can be joined to a new web of material. A first pivoting element is provided for the new web of material and a second pivoting element is provided for the running-out web of material, wherein the first pivoting element is adapted to hold the leading end of the new web of material and wherein the second pivoting element is adapted to deflect the running-out web of material in the direction of the first pivoting element. A cutting device is provided, which is adapted to cut or weaken the running-out web of material deflected by the second pivoting element to produce a web end of the running-out web of material at a separating line. The device is adapted to accelerate the leading end of the new web of material with the first pivoting element and to synchronize with the running-out web of material at the speed at which the web end of the running-out web of material deflected by the second pivoting element is conveyed. The leading end of the new web of material can be joined to the web end of the running-out web of material between the first and second pivoting elements by means of at least one adhesive tape.
BOPI
Sede Electrónica
