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1317
resultados
Última actualización
26/04/2026 [07:23:00]
Resumen de: FR3167761A1
Procédé et installation de décharge d’une cellule électrochimique de stockage d’énergie Procédé de décharge d’une cellule électrochimique de stockage d’énergie, la cellule comprenant un empilement logé au sein d’une enveloppe de la cellule, l’empilement comportant successivement selon une direction d’empilement, au moins une première électrode, un séparateur et une deuxième électrode, le procédé comprenant une formation (S1) d’un trou débouchant au travers de l’enveloppe de sorte à former un accès à une zone de l’empilement, et une décharge (S2) de la cellule en exerçant un appui sur la zone sans atteindre le séparateur de sorte à réduire une épaisseur de l’empilement afin de transformer une énergie chimique stockée dans la cellule en une énergie thermique, l’épaisseur de l’empilement étant définie selon la direction d’empilement. Figure pour l’abrégé : Fig. 5
Resumen de: FR3167762A1
Procédé et installation de décharge d’une cellule électrochimique de stockage d’énergie Procédé de décharge d’une cellule de stockage électrochimique d’énergie, la cellule comprenant : un empilement (3) logé au sein d’une enveloppe (4), l’empilement comportant une première électrode (5), un séparateur (7), une deuxième électrode (6), et des premier et deuxième collecteurs électriques (42, 43), le procédé comprenant une perforation comportant une formation d’au moins un trou débouchant (8) au travers de l’enveloppe (4), une connexion comportant une mise en contact d’au moins un dispositif électriquement conducteur (10) avec un premier collecteur électrique (42, 43), et une décharge de la cellule comprenant une première mise en connexion électrique dudit au moins un dispositif électriquement conducteur (10) avec un système de décharge électrique (45) et une deuxième mise en connexion électrique du système de décharge électrique (45) avec le deuxième collecteur électrique (42, 43), de manière à coupler électriquement en série le système de décharge électrique (45) et l’empilement (3). Figure pour l’abrégé : Fig.3
Resumen de: FR3167760A1
L’invention concerne un système de stockage d’énergie électrique (1) comprenant un boîtier (5), des cellules de stockage d’énergie électrique connectées entre deux bornes électriques. Selon l’invention, le boîtier comprend un réservoir (12) étanche pourvu d’une embouchure (13) par laquelle le réservoir est adapté à être rempli d’un liquide électriquement conducteur, et de deux conducteurs électriques (26) qui sont connectés électriquement respectivement aux deux bornes électriques et qui présentent chacun une partie disposée au sein dudit réservoir, à distance l’une de l’autre. Figure pour l’abrégé : Fig.1
Resumen de: FR3167765A1
L’invention concerne une bague (100) pour cellule électrochimique (10) cylindrique de batterie d’accumulateurs, comportant un corps annulaire (110) adapté à être engagé sur ladite cellule électrochimique. Selon l’invention, la bague comporte au moins une ailette (120) qui est réalisée au moins en partie dans un matériau conducteur électriquement et qui est mobile sur le corps annulaire entre une position escamotée et une position déployée dans laquelle elle fait davantage saillie à l’extérieur du corps annulaire qu’en position escamotée. Figure pour l’abrégé : Fig.3
Resumen de: FR3167786A1
Titre de l’invention : Système de gestion d’une consommation en énergie électrique. La présente invention concerne un système de gestion (2) d’une consommation en énergie électrique comprenant au moins un moyen de stockage en énergie électrique (6), un réseau électrique local (4) et une unité de contrôle (8), l’unité de contrôle (8) étant configurée pour collecter au moins une donnée relative au niveau de charge du moyen de stockage en énergie électrique (6) et au moins une donnée relative à la consommation en énergie électrique du réseau électrique local (4), l’unité de contrôle (8) étant configurée pour piloter le transfert d’énergie électrique entre le moyen de stockage en énergie électrique (6) et le réseau électrique local (4). (Figure 1)
Resumen de: FR3167769A1
L’invention concerne un module (M1) pour batterie comprenant un corps principal (11) ayant une première cavité (101) et une deuxième cavité (102), la première cavité (101) et la deuxième cavité (102) définissant respectivement une première surface interne (S1) et un premier volume intérieur (V1) et une deuxième surface interne (S2) et un deuxième volume intérieur (V2), - un premier connecteur électrique primaire (12) qui s’étend à partir de la première surface interne (S1) dans le premier volume intérieur (V1), et - un deuxième connecteur électrique primaire (13) qui s’étend à partir de la deuxième surface interne (S2) de la deuxième cavité (102) dans le deuxième volume intérieur (V2), le premier connecteur électrique primaire (12) et le deuxième connecteur électrique primaire (13) étant chacun configuré pour coopérer avec un connecteur électrique secondaire externe au module (M1, M2). L’invention concerne en outre un assemblage de deux modules ainsi qu’une batterie comprenant l’assemblage et un véhicule électrique comprenant la batterie. Figure 2
Resumen de: FR3167759A1
Amélioration des propriétés de mise en forme d’un électrolyte solide sulfure pour la préparation de batteries tout solide préparées en voie sèche La présente invention concerne un procédé de préparation sans solvant d’une électrode, ou d’une couche d’électrolyte solide, comprenant les étapes suivantes : (a) préparation d’un mélange comprenant un électrolyte solide sulfure, un fluoropolymère et de la silice pyrogénée ; et (b) mise en forme du mélange sous forme de film. L’invention vise également une formulation sans solvant pour électrode ou couche d’électrolyte solide Figure pour l'abrégé : néant
Resumen de: US20260109622A1
An olivine-structured nickel manganese phosphate active material includes a general structural formula of NibMndMePO4. b is greater than or equal to 0.1 and greater than or equal to 0.95. d is greater than or equal to 0.05 and greater than or equal to 0.90. e is greater than or equal to 0 and greater than or equal to 0.5. A doping element M includes one or a combination of Fe, Al, Co, Ca, Pb, Na, Ti, Zr, Mo, V, Nb, Sc, Cr, Cu, Zn, Be, La, Mg, N, or S.
Resumen de: WO2026081767A1
The present application relates to the technical field of batteries, and particularly relates to a cylindrical battery. The cylindrical battery comprises: a housing; a through hole and a post, the side of the post facing the inside of the housing being provided with a recess, a side wall of the recess being provided with a flange portion, and the flange portion extending toward the direction of the inner side wall adjacent to the side of the housing where the through hole is located, so as to fix the post and the housing; and a current collector disc, which is provided with a protrusion, the protrusion being embedded in the recess, and the protrusion being connected to the recess by means of welding. The side wall of the recess is connected to the flange portion by means of a first arc-shaped transition portion, the arc radius of the first arc-shaped transition portion ranging from 0.2 mm to 2 mm; and a clearance is provided between the protrusion and a rounded corner structure of the first arc-shaped transition portion. The present application facilitates assembly of the current collector disc and the post and prevents the post or the current collector disc from being damaged. In addition, the clearance can accommodate assembly tolerances caused by processes.
Resumen de: WO2026081391A1
The present invention provides a preparation method for a lithium-rich manganese-based positive electrode material, comprising the following steps: carrying out co-precipitation reaction on a nickel-cobalt mixed salt solution, a precipitating agent, and a complexing agent to obtain a nickel-cobalt source; mixing the nickel-cobalt source, a manganese source, a lithium source, a carbon source, and water, and carrying out sand-milling to obtain a sand-milled slurry; spray-drying the sand-milled slurry to obtain a precursor; and pre-calcining and sintering the precursor to obtain a lithium-rich manganese-based positive electrode material. The lithium-rich manganese-based positive electrode material prepared by using an innovative process of co-precipitation-sand-milling-spraying and introducing a carbon source exhibits high tap density, high capacity, and high cycle performance.
Resumen de: US20260112708A1
0000 Metal-based batteries incorporating magnets to apply Lorentz force are disclosed herein. In one example, a zinc-bromine battery includes an aqueous electrolyte containing bromine (Br<2>), bromine ion complexes, or bromine precursors, a plurality of zinc cations (Zn<2>+), and a plurality of anions of bromine; a first electrode containing zinc (Zn); a second electrode in fluid communication with the first electrode via the aqueous electrolyte; and a magnet proximate to the first electrode and/or the second electrode. The magnet has a field strength to exert sufficient Lorentz force on the plurality of zinc cations (Zn<2>+) such that the zinc cations (Zn<2>+) forming a vortex proximate to a surface of the first electrode during galvanic charging and discharging of the zinc-bromine battery.
Resumen de: US20260112795A1
A battery module includes: a plurality of laminated battery cells; a bus bar connected to the battery cells; and a sensor unit electrically connected to the bus bar that measures a state of the battery cells. The bus bar is disposed in an accommodation space formed on one side surface of the laminated cell. The sensor unit includes a sensor case accommodating the sensor circuit, formed to a shape of the bus bar, and accommodated in the accommodation space and in contact with the bus bar. A fitting portion is electrically connected to the sensor circuit facing the bus bar in the sensor case when the sensor case is accommodated in the accommodation space. By fitting the fitting portion to the bus bar, the sensor case is fixed to the bus bar, and the sensor circuit is electrically connected to the bus bar via the fitting portion.
Resumen de: WO2026081386A1
A fault diagnosis method and apparatus for an energy storage system, a device, a medium, and a product. The energy storage system comprises a plurality of branches, and each branch corresponds to one insulation detection module (120). The method comprises: sending an insulation detection instruction, wherein the insulation detection instruction comprises a voltage value of at least one branch to be measured, and a voltage value of each branch to be measured is associated with a code of an insulation detection module (120) corresponding to said branch (201); receiving an insulation resistance value fed back by at least one target insulation detection module, wherein the insulation resistance value is determined on the basis of the voltage value of said branch associated with a code matching the target insulation detection module (202); and performing insulation fault diagnosis on the basis of the insulation resistance value fed back by the at least one target insulation detection module (203). The applicability and efficiency of fault diagnosis of multi-branch energy storage systems can be improved.
Resumen de: WO2026081440A1
A positive electrode sheet and a lithium-ion battery. The positive electrode sheet comprises a current collector and a positive electrode material compounded on the current collector, wherein the positive electrode material comprises a positive electrode active material. The positive electrode active material is selected from lithium manganese iron phosphate, and the D90 particle size of the lithium manganese iron phosphate particles, the tensile strength σ of the positive electrode sheet, and the compacted density PD of the positive electrode sheet satisfy the relational expression as shown in inequality (I): 1600 μm·MPa/(g/cm3)＜D90/PD×σ＜4800μm·MPa/(g/cm3)(I).
Resumen de: WO2026081860A1
The present invention relates to the technical field of batteries. Provided is a battery, which comprises a battery cell, a housing, a positive electrode post assembly and a negative electrode post assembly. The battery cell is arranged in the housing; the positive electrode post assembly and the negative electrode post assembly are arranged on the housing; and the battery cell comprises a battery cell body, a positive electrode tab and a negative electrode tab. In the length direction of the battery, the positive electrode tab and the negative electrode tab are led out from two ends of the battery cell body, the positive electrode tab and the negative electrode tab being respectively welded to the positive electrode post assembly and the negative electrode post assembly; the thickness of the positive electrode tab is greater than the thickness of the negative electrode tab, and the width of the negative electrode tab in the width direction of the battery is greater than the width of the positive electrode tab in the width direction of the battery. The battery has high energy density, high reliability, and good overall overcurrent capacity.
Resumen de: US20260110752A1
A battery SOH estimating apparatus includes a battery information obtaining unit configured to obtain battery information including at least one of voltage, current, temperature, and SOC; and a control unit configured to calculate deterioration information for the battery from the battery information, preset reference information and preset acceleration information based on a preset deterioration model, and estimate SOH for the battery from the deterioration information based on a preset non-linear estimation model.
Resumen de: WO2026081747A1
Provided in the present application are a cylindrical battery and a battery pack. The cylindrical battery comprises a case and a cell arranged in the case, wherein the cell comprises a first tab and a second tab, which are both located on the same side of the cell and have opposite polarities; the case comprises a circumferential side wall, and a first end wall and a second end wall which are located at two ends of the circumferential side wall; and a terminal assembly is provided on the first end wall, a first output terminal is provided on the case of the cylindrical battery, a second output terminal is provided on the first end wall, and a first insulation layer and a second insulation layer are provided on the outer peripheral surface of the cell. During the use of the cylindrical battery, significant heat is generated at the connections of the first tab and the second tab with the terminal assembly. The first insulation layer has a high heat deflection temperature, and can thus withstand the high temperature at the connections, so as to prevent the first insulation layer from melting at high temperature and thus detaching from the cell.
Resumen de: US20260112885A1
An energy storage apparatus includes a protection circuit including a cutoff control switch connected to first and second semiconductor switches provided in series on a power line to simultaneously turn off the first and second semiconductor switches, a reuse prohibition switch provided in series with the cutoff control switch, and a latch circuit. The protection circuit is configured to turn off the first and second semiconductor switches without latching the reuse prohibition switch by the latch circuit when executing first protection, which allows restoration of operation after the first and second semiconductor switches are turned off, and to turn off the first and second semiconductor switches while latching the reuse prohibition switch by the latch circuit when executing second protection, which prohibits the restoration of the operation after the first and second semiconductor switches are turned off.
Resumen de: US20260112738A1
Battery cell (10) and housing system (14) for a battery cell (10) comprising a housing body with a bottom and lateral walls, wherein the bottom and lateral wall comprise a conductive layer (22) comprising a metal material, and the lateral wall further comprises a barrier layer wherein the barrier layer surrounds and is in contact surface with the conductive layer, the bottom being devoid of the barrier layer, and wherein the thermal resistance of the barrier layer is higher than the thermal resistance of the conductive layer.
Resumen de: US20260112696A1
0000 An electrolyte solution of a lithium-ion battery and a lithium secondary battery. The electrolyte solution of a lithium-ion battery includes an organic solvent, a lithium salt and an additive, wherein the organic solvent includes fluorinated ethylene carbonate accounting for at least 5% of the total mass of the electrolyte solution, the additive comprises an additive A containing one or more compounds which have three or more carbon-carbon double bonds, and the electrolyte solution does not include a compound containing a sulfonyl group. The electrolyte solution of a lithium-ion battery is not only more environmentally friendly, but can also improve the swelling of the battery during the formation and high-temperature storage thereof, the discharge capacity of the battery, and the self-discharge performance of the battery under a high voltage.
Resumen de: WO2026081299A1
The present invention relates to the technical field of secondary battery materials. Disclosed are a polyacrylate binder and the use thereof, an electrode sheet and a lithium-ion battery. The polyacrylate binder provided by the present invention achieves good bonding performance by means of the regulation of the molecular weight of the binder and the contents of cyano groups, ester groups and carboxylate groups in the molecular chain of the binder, and the adjustment of the electrolyte absorption of the binder can also be achieved; and the binder is harmless to humans, and is environmentally friendly and inexpensive. The binder is introduced into an electrode sheet as a raw material for a water-borne safety coating; and on the basis of the good bonding performance of the binder, the water-borne safety coating can be firmly adhered onto the surface of a current collector of the electrode sheet, thereby reducing the surface contact resistance and improving the safety of a battery cell. Moreover, by limiting the contents of cyano groups, ester groups and carboxylate groups in the binder, the rate capability and high-temperature and low-temperature discharge performance of the battery cell can be significantly improved, thereby improving the safety performance and cycle performance of the battery.
Resumen de: WO2026081918A1
The present invention provides an ultrafine nano-silicon-based negative electrode material prepared on the basis of in-situ high-temperature phase change in a specific confinement microcavity, and a preparation method therefor. In the method, silicon and a conductive porous material are mixed in a solvent, then sanding is performed, solid particles are formed by means of reforming granulation, and a confinement microcavity is constructed by means of coating treatment. By means of transient heating and cooling, the silicon source is sublimated and desublimated into particles having a size of 10 nm or less, and the particles are embedded in the porous material, thereby achieving extreme nanometerization of silicon. The method effectively solves the problems such as volume expansion, low conductivity, and poor cycle stability when silicon is used as a negative electrode material of a lithium-ion battery, improves electron transport, prolongs cycle life, simplifies the process, reduces costs, and has good commercial prospects.
Resumen de: US20260112781A1
A battery module including multiple cells arranged according to at least one row, each cell having a positive terminal and a negative terminal positioned at opposite ends. A first and a second connection bar, or busbar, are provided electrically connected to the positive terminals and to the negative terminals of the cells. Support bodies are provided with respective conductive elements which include a respective connection portion and multiple contact portions. An engagement group is provided that removably mechanically engages the support bodies in a predetermined working position, in which the connection portions are mechanically forced to be arranged in contact with the first, or the second, connection bar, and each contact portion to be arranged in contact, with a respective positive terminal or with a respective negative terminal such that the electrical connection between the first and the second connection bar and the plurality of cells.
Resumen de: US20260112638A1
A secondary battery that achieves higher conductivity of a positive electrode and has higher capacity is provided. The secondary battery includes a positive electrode that includes a positive electrode active material, a first conductive material, and a second conductive material whose shape is different from that of the first conductive material. The positive electrode active material includes lithium cobalt oxide containing magnesium in its surface portion. The weight of the second conductive material is lower than or equal to the weight of the first conductive material. The second conductive material forms an assembly and has a portion sticking to the positive electrode active material.
Nº publicación: AU2024337353A1 23/04/2026
Solicitante:
ZEPHYR INTELLIGENT SYSTEM SHANGHAI CO LTD
Resumen de: AU2024337353A1
A fire detector and a battery pack. The fire detector comprises a mounting end cover (1), a fire sensing assembly (2), and a protective cover (3). The mounting end cover (1) is detachably provided outside a battery pack body (100). The fire sensing assembly (2) is located inside the battery pack body (100) and is detachably connected to the mounting end cover (1). The protective cover (3) is detachably connected to the side of the mounting end cover (1) provided with the fire sensing assembly (2), the protective cover (3) covers the fire sensing assembly (2), and the protective cover (3) is provided with detection holes (31). The interior of the battery pack body (100) is communicated with the interior of the protective cover (3) by means of the detection holes (31).
BOPI
Sede Electrónica
