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1110
resultados
Última actualización
01/09/2024 [07:42:00]
Resumen de: FR3146239A1
Module de batterie (B) qui comprend une suite de cellules de batterie cylindriques qui présentent chacune un axe de cellule passant par un pôle positif (P) à une première base, et par un pôle négatif (N) à une deuxième base.Selon l’invention, les cellules de batterie sont séparables et parallèles dans un tube (T), et en sens contraires de sorte que les pôles négatifs (N) et positifs (P)sont alternés de chaque côté et liés par des barres omnibus (B1, B2). L’invention concerne également un véhicule, et un procédé sur la base d’un tel module. Figure 2
Resumen de: FR3146197A1
Titre de l’invention : Dispositif de régulation thermique avec collecteur central La présente invention concerne un dispositif de régulation thermique (1) s’étendant dans un plan longitudinal-transversal, comprenant un premier tube (12), un deuxième tube (14) et un collecteur (6), les tubes (12, 14) comprenant des canaux (24) configurés pour la circulation d’un fluide caloporteur répartis en un premier ensemble de circulation (26) et un deuxième ensemble de circulation (28), le collecteur (6) comprenant une entrée de fluide caloporteur (8) et une sortie de fluide caloporteur (10), l’entrée de fluide (8) étant disposée d’un premier côté du plan longitudinal-transversal et la sortie de fluide (10) étant disposée d’un deuxième côté, le premier ensemble de circulation (26) des tubes (12, 14) débouchant dans l’entrée de fluide (8) et le deuxième ensemble de circulation (28) des tubes (12, 14) débouchant dans la sortie de fluide (10). Figure de l’abrégé : Figure 1
Resumen de: FR3146139A1
L’invention concerne un tétroxyde de tricobalt modifié revêtu en surface, son procédé de préparation et son utilisation. Le procédé de préparation comprend : (1) la réalisation d’un traitement d’hydroxylation de surface sur du carbonate de cobalt pour obtenir du carbonate de cobalt revêtu d’hydroxyl cobalt ; (2) le mélange d’un sel métallique et d’un agent complexant pour réaliser une réaction de complexation afin d’obtenir un sel métallique complexe ; (3) le mélange du carbonate de cobalt revêtu d’hydroxyl cobalt, du sel métallique complexe et d’un initiateur de greffage pour réaliser une réaction de greffage afin d’obtenir du carbonate de cobalt revêtu d’ions métalliques ; et (4) le frittage du carbonate de cobalt revêtu d’ions métalliques pour obtenir du tétroxyde de tricobalt modifié revêtu en surface. Un traitement d’hydroxylation est réalisé sur la surface du carbonate de cobalt, et un sel métallique soumis à un traitement de complexation est ajouté pour réaliser une réaction de greffage de sorte que la couche de revêtement formée à partir du sel métallique présente le même motif que l’hydroxyl cobalt sur la surface du carbonate de cobalt pour former une couche de revêtement en oxyde métallique non dense et en forme de fleur sur la surface du tétroxyde de tricobalt, améliorant ainsi l’activité de surface, facilitant un mélange efficace du tétroxyde de tricobalt et d’un sel de lithium, et am�
Resumen de: FR3146246A1
Un procédé de gestion de charge de batterie sur la base d’un taux d’utilisation d’une station de charge de batterie (100) est fourni. Le procédé est adapté pour être mis en œuvre par la station de charge de batterie (100) qui est configurée pour recevoir et charger une pluralité de batteries (112), et qui est un équipement électrique. Le procédé comprend les étapes : de charge des batteries (112) sur la base d’une première valeur d’un paramètre de charge ; d’obtention du taux d’utilisation de la station de charge de batterie (100) ; de détermination pour savoir si le taux d’utilisation est inférieur à un taux prédéterminé ; et lors de la détermination du fait que le taux d’utilisation est inférieur au taux prédéterminé, d’ajustement du paramètre de charge de la première valeur à une seconde valeur, et de charge des batteries (112) sur la base de la seconde valeur du paramètre de charge.
Resumen de: FR3146238A1
L’invention concerne un arrangement (10) électrique comportant un organe de commutation électrique (20) placé entre une dernière cellule génératrice de tension (41n) d’un premier ensemble électrique (8A) et une première cellule génératrice de tension (41a) d’un deuxième ensemble électrique (8B), l’organe de commutation électrique (20) permettant d’isoler électriquement ou de relier électriquement le premier ensemble électrique (8A) au deuxième ensemble électrique (8B) en fonction d’un certain nombre de conditions, ledit organe de commutation électrique (20) étant configuré pour être maintenu dans son état ouvert s’il n’est pas lui-même alimenté électriquement. Figure 2
Resumen de: US2024291404A1
A vibration self-generating battery of a water quality low-power sensor applicable to multiple scenarios, belonging to the technical field of self-generating energy supply. The battery includes a positive electrode magnetic cap, a battery outer cylinder, a negative electrode magnetic cap, a circuit module, a supporting component, an electromagnetic induction generating unit, and a friction nano generating unit. The positive electrode magnetic cap is arranged on the upper side of the battery outer cylinder, and the negative electrode magnetic cap is arranged at the lower side of the battery outer cylinder. The friction nano generating unit is arranged close to an inner wall of the battery outer cylinder. The electromagnetic induction generating unit is arranged at the center of the battery, and the supporting component and the circuit module are arranged below the electromagnetic induction generating unit in turn.
Resumen de: US2024291317A1
A wearable device includes a housing, a main circuit board, two magnetic components and a battery. An inside of the housing has a ring-shaped accommodating space. The main circuit board is mounted in the accommodating space. The main circuit board includes a level section, a first curving section, a second curving section and two electrode contacts. A rear edge of a free side of the first curving section is recessed inward to form a notch. A rear edge of the first curving section is recessed inward to form a first reserving space. A rear edge of the second curving section is recessed inward to form a second reserving space. The two magnetic components are mounted in the accommodating space. The battery is accommodated in the accommodating space. The battery is received in the notch.
Resumen de: US2024291181A1
A board-to-board connection structure for a PCB is disclosed. When a bottom board is welded to a functional board, weld legs thereof can be expanded in a perpendicular direction by means of a first bridge board, and the number of the weld legs of the bottom board to the functional board is no longer limited by the width of the functional board; a first partition board can prevent a short circuit between a third pad and a fourth pad on the functional board, and isolate a sixth pad on the first bridge board from a first pad on the bottom board; and at the same time, the first partition board can connect a second pad on the bottom board to a fifth pad of the first bridge board.
Resumen de: WO2024176499A1
Provided are: a positive electrode active material for an all-solid-state lithium-ion battery, said positive electrode active material leading to excellent battery characteristics when used in an all-solid-state lithium-ion battery; a positive electrode for an all-solid-state lithium-ion battery; an all-solid-state lithium-ion battery; and a method for manufacturing the positive electrode active material for the all-solid-state lithium-ion battery. This positive electrode active material for an all-solid-state lithium-ion battery comprises positive electrode active material particles, and a coating layer that is provided to the surfaces of the positive electrode active material particles, wherein: the positive electrode active material particles are expressed by a composition that is indicated in the following formula (1): Formula (1) LiaNibCocMndMeOf (In formula (1), the relationships 1.0≤a≤1.05, 0.8≤b≤0.9, b+c+d+e=1, 0.002≤e/(b+c+d) ≤0.016, and 1.8≤f≤2.2 hold true, and M is at least one element that is selected from Zr, Ta, and W.); and the coating layer includes Li, Nb, and Ti, the amount of Ti that is contained in the coating layer being 10-30 mass ppm relative to the total amount of the positive electrode active material for the all-solid-state lithium-ion battery in the ICP optical emission spectroscopy, and the mass ratio Ti/Nb of Ti and Nb in the positive electrode active material for the all-solid-state lithium-ion battery is 0.0015-0.0040.
Resumen de: WO2024176382A1
The present invention relates to manganese dioxide suitable as a raw material of an electrode material for a polyvalent metal ion secondary battery. The manganese dioxide according to the present invention has an α-type crystal structure. Ammonium ions are incorporated in the α-type crystal structure. The manganese dioxide according to the present invention has an average crystallite size of at most 5.0 nm, as measured using the Scherrer method based on X-ray diffraction, and a BET specific surface area of at least 100 m2/g.
Resumen de: WO2024175091A1
Embodiments of the present application provide an electrode wire fixing device, comprising a fixed clamp (1), a movable clamp (2), and a toggle shaft (3). The fixed clamp (1) comprises a first clamping plate (12), and a supporting table (11) provided with a clamping groove (111) and a first sliding groove (112); the first clamping plate (12) is arranged in the clamping groove (111) in the extension direction of the clamping groove (111); the movable clamp (2) comprises a supporting plate (21), and a second clamping plate (22) arranged on the supporting plate (21) in the extension direction of the clamping groove (111); the supporting plate (21) is provided with a second sliding groove (211); the toggle shaft (3) passes through the first sliding groove (112) and the second sliding groove (211), and is used for moving in the extension direction of the first sliding groove (112) and driving the movable clamp (2) to move in a direction perpendicular to the extension direction of the clamping groove (111), such that the first clamping plate (12) and the second clamping plate (22) clamp or release an electrode wire (10).
Resumen de: WO2024174352A1
Disclosed is a movable coating machine material tray apparatus, which comprises a material tray located below a material taking roller and a coating roller. The bottom of the material tray is in sliding fit with a plurality of sets of sliding rails in a supporting manner. The sliding rails are horizontal and perpendicular to the axial direction of the material taking roller and the coating roller. For one set of sliding rail, the lower portion of the sliding rail is connected to two layers of stacked parallel four-connecting-rod mechanisms, two hinge points of the upper layer are located on the sliding rail, two hinge points of the middle layer are connected by means of a synchronous rod, two hinge points of the lower layer are fixed hinge points, a hinge point of the middle layer away from the coating roller is hinged, on one side away from the coating roller, to one end of a linkage rod, and the other end of the linkage rod is hinged to a transmission tail end of a linear motion mechanism. For the other sets of sliding rails, the bottoms of the sliding rails are in fit on at least two sets of vertical guide mechanisms having a buffering effect. The apparatus can switch the position of the material tray, thus facilitating cleaning or overhauling.
Resumen de: WO2024174374A1
The present application discloses an electrode material, comprising a core and a coating layer coating the core. The core comprises a crystal having a molecular formula of LiMn(1-x-y)FexMyPO4, wherein M is a metal element, 0.2≤1-x-y≤0.8, 0.2≤x≤0.8, and 0≤y≤0.1; the coating layer comprises a carbon material.
Resumen de: WO2024174341A1
The present application relates to the technical field of wastewater treatment, and discloses a method for treating synthesis wastewater of a battery positive electrode material precursor. The method comprises: performing impurity removal and concentration on synthesis wastewater generated in the synthesis process of a battery positive electrode material precursor, preparing an obtained concentrated solution into a suspension, and performing solid-liquid separation to obtain first alkali removal mother liquor; removing sodium bicarbonate in the first alkali removal mother liquor to obtain second alkali removal mother liquor; and evaporating and crystallizing the second alkali removal mother liquor to obtain an ammonium nitrogen fertilizer mainly containing ammonium sulfate. The method can increase the conversion rate of sodium sulfate, enable sodium sulfate generated in the synthesis process of the battery positive electrode material precursor to be effectively utilized, and avoid the generation of solid waste.
Resumen de: US2024291122A1
A secondary battery may include: an electrode assembly in which a first electrode, a second electrode, and a separator are wound; a battery can; a cap assembly; a spacer; and a spring part. The first electrode may include a first electrode current collector and a first electrode extension part in which the first electrode current collector is exposed in a lower direction. The second electrode may include a second electrode current collector and a second electrode extension part in which the second electrode current collector is exposed in an upper direction. The first electrode extension part may contact the spacer. The second electrode extension part may contact the cap assembly. The spring part may include a shape memory alloy, so that a distance between a highest point and a lowest point of the spring part decreases at a deformation temperature higher than a normal operating temperature range.
Resumen de: US2024291310A1
A lithium battery pack is described. The lithium battery pack includes a lithium battery having a plurality of battery units connected together in a series configuration, and an environmental management circuit in parallel with the plurality of battery units of the lithium battery. The environmental management circuit has a load distributed through the lithium battery, and circuitry operable to block energy directed to the lithium battery when a temperature of the lithium battery is below a predetermined threshold; and direct the energy to the load distributed through the lithium battery to warm the lithium battery.
Resumen de: US2024291119A1
A cylindrical battery comprises an electrode body in which a long positive electrode having a plurality of positive electrode lead portions and a long negative electrode are wound with a separator therebetween, a bottomed cylindrical external can that accommodates the electrode body, and a sealing body which is crimp fixed to an opening of the external can. The sealing body has a sealing plate and a current collector plate having a through-hole, and the plurality of positive electrode lead portions pass through the through-hole in the current collector plate and are bent and joined above the current collector plate.
Resumen de: US2024291117A1
The present technology relates to a prismatic secondary battery with an electrode assembly having stacked unit cells. For example, the electrode assembly includes a positive electrode tab and a negative electrode tab respectively electrically connected to a positive terminal and a negative terminal provided on a housing of the prismatic secondary battery, and a positive electrode dummy tab and a negative electrode dummy tab electrically insulated from the positive terminal and the negative terminal.
Resumen de: US2024291124A1
The secondary battery comprises an electrode assembly including a lead tab, a case accommodating the electrode assembly and an electrolyte solution, a cap assembly electrically connected to the lead tab, and coupled to the case to seal the case, and an insulating plate between the electrode assembly and the cap assembly in the case, defining a tab opening for drawing out the lead tab, and including thin film portions respectively defining cutouts for passage of electrolyte solution or gas.
Resumen de: WO2024175007A1
Provided in the present application are a plastic plate, a cover plate assembly and a battery. The plastic plate comprises a plastic body and support venting parts, wherein the support venting parts are connected to the side of the plastic body and are perpendicular to the plastic body; the support venting parts comprise venting plates and supporting parts; a plurality of air vents are formed in the venting plates; and the supporting parts and the venting plates are enclosed in a venting channel in communication with the air vents. When the plastic plate is used, a pole group is raised by the support venting parts by a certain height, such that a certain spacing is formed between a bottom surface of the pole group between the two support venting parts and a bottom wall inside a shell, so as to form an exhaust channel between the pole group and the shell. An explosion-proof valve is mounted on a side part of the shell. Hot air generated by the pole group during thermal runaway above the exhaust channel can be directly discharged into the exhaust channel. Hot air above the support venting parts is discharged into the venting channel and the exhaust channel in sequence via the air vents. Then, the hot air is discharged to the explosion-proof valve through the exhaust channel and rapidly reaches the explosion-proof valve to enable the explosion-proof valve to burst in time, thereby increasing the safety performance of a blade battery.
Resumen de: WO2024175005A1
The present application relates to the technical field of batteries, and specifically relates to a battery and a power device. The battery comprises: a housing, a plurality of battery cells, and support portions; the plurality of battery cells are placed in the housing, and explosion-proof valves are provided on a casing of each battery cell; the support portions are provided between the housing and the battery cells, the support portions abut against the side of each of the battery cells provided with the explosion-proof valves, and the support portions are spaced apart from the explosion-proof valves to form exhaust channels between the battery cells and the housing. By providing the support portions between the housing and the battery cells, a sufficient spacing is provided between the battery cells and the housing, so that the housing, the plurality of battery cells, and the support portions jointly define exhaust channels; moreover, the support portions are spaced apart from the explosion-proof valves, so that the support portions avoid the explosion-proof valves, and when thermal runaway occurs in the battery cells, high-temperature and high-pressure flue gas ejected from the explosion-proof valves can be smoothly discharged from the exhaust channels, thereby effectively preventing the exhaust channels from being blocked, and ensuring the safety of the battery.
Resumen de: WO2024174840A1
A semi-solid state battery cell for a power tool, a battery pack, an energy storage device, a power tool, and a battery pack charger. The semi-solid state battery cell comprises: a positive electrode sheet (1311); a negative electrode sheet (1312) containing a lithium metal material; and an electrolyte (1314) provided between the negative electrode sheet (1312) and the positive electrode sheet (1311), the electrolyte (1314) comprising a liquid state portion and a non-liquid state portion, and the content of the lithium metal material of the negative electrode sheet (1312) being greater than or equal to 40%.
Resumen de: WO2024174340A1
The present application provides a lithium-rich manganese-based mesoporous positive electrode material, and a preparation method therefor and the use thereof, and belongs to the technical field of lithium-ion batteries. The lithium-rich manganese-based mesoporous positive electrode material of the present application is prepared by means of a template method; a mesoporous template with a specific pore size and wall thickness is used as a container for preparing the lithium-rich manganese-based mesoporous positive electrode material; the morphology and size of the lithium-rich manganese-based mesoporous positive electrode material are accurately controlled; and the prepared lithium-rich manganese-based mesoporous positive electrode material has a relatively small particle size and a suitable porosity and specific surface area, thereby having a relatively high density and pore channel utilization rate. When applied to a lithium-ion battery, the lithium-rich manganese-based mesoporous positive electrode material has good electrochemical performance, due to good cycling stability, a high energy density and a high specific discharge capacity.
Resumen de: WO2024174339A1
The present application discloses a lithium-rich manganese-based anode material and a preparation method therefor, and belongs to the technical field of batteries. The chemical formula of the lithium-rich manganese-based anode material is xLi2MnO3·(1-x)LiMO2, where M is selected from Ni, Mn, Co, Cr, or Fe; 0
Nº publicación: US2024291113A1 29/08/2024
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Resumen de: US2024291113A1
Provided is a battery pack and a vehicle, which relates to the field of battery technologies. The battery pack according to the present disclosure includes a case, a plurality of battery cells, a fixing assembly, and a current collecting assembly. The case has a cavity. The plurality of battery cells is received in the cavity. Each of the plurality of battery cells includes at least one electrode terminal protruding from the battery cell. The at least one electrode terminal faces downwards when the battery cell is arranged in the cavity. The fixing assembly is arranged below the plurality of battery cells and supports the plurality of battery cells. The fixing assembly has a connection hole. The current collecting assembly is arranged at the fixing assembly and includes a current collecting member configured to electrically connect at least two adjacent battery cells of the plurality of battery cells.
BOPI
Sede Electrónica
