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1392
resultados
Última actualización
27/04/2026 [08:12:00]
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: US20260112800A1
A busbar assembly according to an embodiment of the present disclosure includes: a busbar; and a glass fiber layer covering the busbar, wherein the glass fiber layer includes a glass fiber strand, wherein a surface of the glass fiber strand includes a fire resistant silicone coating.
Resumen de: US20260112794A1
0000 Disclosed are a battery cell, a battery, and an electric device, where the battery cell includes a housing, an electrode assembly, a first insulating member, and an electrode terminal; the electrode assembly includes a tab; the housing is configured to accommodate the electrode assembly; the housing includes a wall portion; the first insulating member is disposed between the wall portion and the electrode assembly; the electrode terminal is disposed on the wall portion; and the electrode terminal passes through the first insulating member and directly connects with the tab.
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: US20260112640A1
A negative electrode material for secondary battery use includes silicon-containing particles and coating layers covering at least part of the surfaces of the silicon-containing particles. The silicon-containing particles each include an ion conductive phase and silicon phases dispersed in the ion conductive phase. The coating layers contain at least one phosphate compound selected from the group consisting of a phosphate compound, a polyphosphate compound, and a metaphosphate compound, each of which contains an anion represented by general formula (1):In general formula (1), A represents an organic group or an oxygen atom.
Resumen de: US20260112601A1
0000 A disclosed positive electrode is a positive electrode for a nonaqueous electrolyte secondary battery. The positive electrode includes a positive electrode current collector and a positive electrode mixture layer disposed on the positive electrode current collector. The positive electrode mixture layer contains active material particles having an average particle diameter less than 5 μm, a conductive material, a dispersant, and a binder. The active material particles include composite oxide particles and a surface modification layer formed on surfaces of the composite oxide particles and containing a boron compound. The composite oxide particles are particles of a lithium transition metal composite oxide. The conductive material includes a carbon material. The dispersant includes nitrile group-containing rubber. The binder includes a fluorine-containing polymer.
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: US20260112764A1
0000 A power storage module includes a module main body in which electrodes are stacked in a first direction, a frame, and a pressure control valve attached to the frame having first communication holes in communication with internal spaces. The pressure control valve includes a wall body that has second communication holes in communication with the first communication holes, respectively, a protrusion that surrounds each of the second communication holes separately, the second communication holes being opened at a first wall surface, and valve bodies that close the second communication holes. A recess is formed to be recessed in a direction away from the frame and along the valve bodies, in a region of the first wall surface surrounded by the protrusion and having an opening of one of the second communication holes, the region not overlapping with the valve bodies as viewed in a second direction.
Resumen de: US20260112702A1
0000 Provided is an electrolyte solution including a compound represented by Formula 1,
0000
where m and n are integers ranging from 0 to 3, which are not 0 simultaneously; p is an integer ranging from 1 to 5; R<0 >is single bond or methylene; R<1 >is hydrogen, halogen, hydrocarbyl with 1 to 5 carbon atoms or halogenated hydrocarbyl with 1 to 5 carbon atoms; and R<2>, R<3>, and R<4 >are each independently
0000
A mass percentage of a transition metal in a negative electrode active material is M; a specific surface area of the negative electrode active material is B m<2>/g; a ratio of a total mass of the electrolyte solution to a discharge capacity of the battery is N g/Ah; and a mass percentage of the compound represented by Formula 1 in the electrolyte solution is C1, satisfying:
0000 0.3
≤
B
*
M
3
N
*
C
1
≤
5.6
.
Resumen de: US20260109198A1
0000 A thermal conditioning system for a motor vehicle, including a refrigerant circuit. The refrigerant circuit includes a main loop, a first bypass branch, a third bypass branch, and a fourth bypass branch. The main loop includes, successively a compressor, a first heat exchanger configured to exchange heat with a first heat transfer fluid, a first expansion valve, a first refrigerant accumulation device, a second expansion valve, and a second heat exchanger. The first bypass branch includes a third expansion valve, and a third heat exchanger. The second bypass branch connects the main loop and the first bypass branch. The third bypass branch connects the main loop and the first bypass branch. The fourth bypass branch allows the refrigerant leaving the compressor to join the main loop, without passing through the first exchanger and the second expansion valve. The fourth bypass branch includes a fourth expansion valve.
Resumen de: US20260109615A1
0000 A method of recycling a waste battery cathode material comprising lithium and at least one of nickel, cobalt and/or manganese, the method comprising: heating the waste battery cathode material in a reducing atmosphere to form a heat-treated waste battery cathode material comprising LiF and one or more of LijO, LiOH, and LijCOs; washing the heat-treated waste battery cathode material in an aqueous solvent to extract both lithium containing species and fluorine containing species, wherein the aqueous solvent does not contain an alkaline earth hydroxide or other species intended to reduce or prevent soluble fluorine species remaining dissolved in the aqueous solvent; separating the aqueous solvent comprising lithium and fluorine species from the heat-treated waste battery material; after separating the aqueous solvent comprising lithium and fluorine species from the heat-treated waste battery material, treating the aqueous solvent to separate lithium species from fluorine species; recovering the lithium species as lithium hydroxide or lithium carbonate; forming an acidic aqueous recycling feed comprising one or more of nickel, cobalt and/or manganese by leaching the heat-treated waste battery cathode material with an inorganic acid after the step of separating the aqueous solvent from the heat-treated waste battery material; and recovering one or more of nickel, cobalt and/or manganese from the acidic aqueous recycling feed via one or more further process steps selected
Resumen de: US20260109138A1
Provided herein are processing apparatuses for producing high-quality films of sintered ceramics. The instant disclosure sets forth equipment and processes for making high quality, rapidly processed ceramic electrolyte films. These processes include high-throughput continuous sintering of oxides for use as electrolyte films. In certain processes, the film is not in contact with any surface as it sinters (i.e., during the sintering phase).Set forth herein are processes for making and using bilayers comprising a green body layer on a metal layer and bilayers comprising a sintered oxide layer on a metal layer. Set forth herein are processes for rapidly sintering thin bilayers comprising a green body layer on a metal layer in order to produce bilayers comprising a sintered oxide layer on a metal layer.
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: US20260110050A1
0000 A method for processing a lithium-ion battery waste by hydrometallurgical processing of the lithium-ion battery waste to obtain a leachate in which at least cobalt and nickel are dissolved, the method comprising: a hydrometallurgical processing step of adding at least one compound (1) selected from the group consisting of ammonia and a salt thereof, and an amine compound and a salt thereof to the lithium-ion battery waste and mixing them to obtain the leachate in which at least the cobalt and the nickel are dissolved; and a solid-liquid separation step of removing at least a part of metals not dissolved in the leachate by solid-liquid separation after the hydrometallurgical processing step.
Resumen de: US20260109616A1
0000 The present invention relates to a method for efficiently recovering valuable metals from end-of-life waste lithium batteries by dry molten smelting and, more particularly, to a method for recovering lithium by mixing ground or crushed waste lithium batteries with a flux including a Ca compound and a sulfur component and melting same at a high temperature of 1300° C. or higher, and then obtaining a lithium-sulfide compound (Li2SO4) volatilizing therefrom.
Nº publicación: US20260110752A1 23/04/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTIONS LTD [KR]
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.
BOPI
Sede Electrónica
