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575
resultados
Última actualización
14/09/2026 [07:52:00]
Resumen de: FR3172879A1
L’invention concerne un procédé d’addition d’une pâte thermique dans un interstice entre un module de batterie et une plaque de refroidissement d’un bac de batterie pour un véhicule automobile, caractérisé en ce que le procédé comporte une étape de numérisation (E1) en trois dimensions de la surface inférieure du module de batterie et de la surface supérieure de la plaque de refroidissement ; une étape de détermination virtuelle (E2) de l’interstice ; une étape de calcul (E3) de la quantité de pâte thermique nécessaire ; une étape d’optimisation (E4) de la forme de dépôt de la pâte thermique pour minimiser la quantité de pâte thermique et minimiser l’effort de compression à exercer pour assembler le module de batterie et la plaque de refroidissement et une étape de dépôt (E5) de la pâte thermique sur la surface supérieure de la plaque de refroidissement par l’intermédiaire d’une buse d’un dispositif de distribution. Figure 1
Resumen de: FR3172839A1
L’invention concerne un système thermique (100) de gestion de températures d’un véhicule électrique (1) comprenant un premier circuit primaire (C1) de pompe à chaleur, le circuit (C1) comprenant :- un premier condenseur (12a), et- un deuxième condenseur (12b), et- un premier évaporateur (16a), et- un deuxième évaporateur (16b),parcourus par un fluide frigorigène,le système thermique (100) comprenant un premier circuit secondaire (C4) de gestion thermique d’un ensemble de composants électroniques et électriques (41) d’un tel véhicule électrique (1), le circuit (C4) comprenant :- un premier circulateur (46),- le deuxième évaporateur (16b),- le premier condenseur (12a),- une vanne multi-voies, notamment une vanne à huit voies (42),- un radiateur (43), et- une batterie (44) de traction et/ou de propulsion d’un tel véhicule électrique (1) et une résistance électrique de chauffage (47) montée en liaison thermique, notamment en liaison thermique par conduction, sur la batterie (44). Figure pour l’abrégé : Figure 2
Resumen de: FR3172838A1
L’invention concerne un système (1) de pompe à chaleur pour véhicule automobile, comprenant : un compresseur (3), un premier condenseur (4) disposé en aval du compresseur (3), et une vanne (14) unique commutable entre : une première configuration (18) dans laquelle la vanne (14) permet une circulation de fluide diphasique dans le circuit (2) primaire en parallèle dans un premier ensemble (9) comprenant un échangeur, dit échangeur (10) réversible, disposé en aval d’un premier détendeur (11) du premier ensemble (9), et dans un deuxième ensemble (6) comprenant un deuxième évaporateur (7) disposé en aval d’un deuxième détendeur (8), etune deuxième configuration (15) de la vanne (14) dans laquelle la vanne (14) permet une circulation de fluide diphasique dans le circuit (2) primaire en série dans le premier ensemble (9) et dans le deuxième ensemble (6). Figure pour l’abrégé : Fig. 5
Resumen de: FR3172851A1
Un procédé est décrit pour obtenir des mesures de tension, courant et température d’une batterie qui est embarquée dans un dispositif électronique. Le dispositif comporte des composants alimentés par la batterie, dont au moins un ensemble à processeur(s), et des capteurs associés à la batterie. Il est mis en œuvre par l’ensemble à processeur(s). Il comporte un pilotage d’un ou plusieurs des composants du dispositif pour produire un signal d’excitation en courant de la batterie, sur un intervalle de temps de charge et/ou de décharge de la batterie, et obtenir, via des capteurs, des mesures de tension, courant et température de la batterie en réponse audit signal d’excitation. Ces mesures sont fournies pour mettre à jour un modèle paramétrique de la batterie qui permet par exemple d’évaluer l’état de santé d’une batterie. Fig.5
Resumen de: FR3172880A1
Un dispositif de refroidissement (DR) équipe un équipement (E1) comprenant un boîtier (BE) étanche et comprenant N éléments électriques (EE1-EE3), une entrée (EB) traversée par une première partie (P1) d’un circuit fluidique (CF) dans lequel circule un fluide diélectrique, et une sortie (SB) connectée à une seconde partie (P2) du circuit fluidique (CF). Ce dispositif (DR) comprend des buses d’aspersion (BA1-BA3) connectées dans le boîtier (BE) à la première partie (P1) en étant installées au-dessus des éléments électriques (EE1-EE3) pour les asperger, une vanne (VC) installée dans la seconde partie (P2), et un module de contrôle (MC) agencé pour placer la vanne (VC) dans un état au moins partiellement fermé propre à provoquer une augmentation choisie d’un volume de fluide diélectrique dans le boîtier (BE) en présence d’au moins une mesure anormale d’au moins un paramètre représentatif d’un niveau de refroidissement d’au moins l’un des éléments électriques (EE1-EE3). Figure 3
Resumen de: US20260269504A1
A connector according to an embodiment of the present disclosure may include a connector housing, a terminal configured to be inserted into the connector housing in a predetermined insertion direction, and a terminal block configured to be inserted into the connector housing, surround the terminal, and limit a movement of the terminal in a direction opposite to the predetermined insertion direction. The terminal block may include a first block configured to surround a first surface of the terminal, and a second block configured to be coupled to the first block and surround a second surface of the terminal.
Resumen de: US20260269310A1
Batteries include a cathode, a solid-state electrolyte, and an anode. A coating disposed on the solid-state electrolyte is positioned between the cathode and the solid-state electrolyte. The coating can include fluorine in a range from about 10 atom % to about 50 atom %. The anode can be a lithium-containing anode. A method of forming a coating on a solid-state electrolyte includes disposing an aqueous solution comprising a lithium and fluorine containing salt on a first major surface of the solid-state solution. The aqueous solution can contact the first major surface for about 1 minute or more. Methods of forming a battery includes the method of forming the coating and further includes disposing an anode on the coating and disposing the cathode on the solid-state electrolyte opposite the coating. The anode can be a lithium-containing anode.
Resumen de: US20260269225A1
A lithium secondary battery according to an embodiment is a lithium secondary battery including a negative electrode and a positive electrode, in which the negative electrode has: in the following order, a current collector layer; a first lithium metal layer made of a lithium metal foil; a second lithium metal layer including granular lithium metal; and a third lithium metal layer including lithium metal and being porous, the granular lithium metal having an average particle diameter larger than an average pore diameter of the third lithium metal layer.
Resumen de: US20260269223A1
Disclosed herein are cathode active materials having (A) a core material according to general formula Li1+xTM1−xO2 where TM is a combination of Ni and Al and at least one of Mn and Co, and, optionally, at least one more metal selected from Mg, Zr, Ti, Nb, Ta, and W, and x is in the range of from zero to 0.2, where a least 80 mol-% of TM is nickel, and(B) a coating that includes at least one compound of boron in the oxidation state of +III,where the core material (A) is a polycrystalline material whose secondary particles are composed of primary particles,and where 0.0009≤λ≤0.0024, with λ being the molar ratio of sulfate to TM, determined by Inductively Coupled Plasma spectroscopy (ICP).
Resumen de: US20260266921A1
An apparatus including a processor and a memory storing a plurality of instructions, in which the instructions cause, when executed by the processor, the battery diagnosis apparatus, to, for each battery cell of a plurality of battery cells, for each designated cycle of a plurality of designated cycles, calculate an SOH deviation dSOH between an SOH of the battery cell in a designated cycle and an average SOH of the plurality of battery cells in the designated cycle, calculate first difference values ΔdSOHs, wherein each first difference value is based on a difference between SOH deviations dSOHs measured in a respective pair of the designated cycles, calculate second difference values SOHdts, wherein each second difference value is based on a difference between SOH values measured in a respective pair of the designated cycles, calculate an error bound of the battery cell.
Resumen de: WO2026183899A1
Disclosed in the present application are a pouch battery and an electric device. The pouch battery comprises: a pouch housing, a battery cell and a tab. The pouch housing comprises an encapsulation main body and side seal edges, wherein the encapsulation main body has an accommodating cavity, and the tab is connected to the battery cell. The encapsulation main body comprises two side walls in the direction of the width of the pouch battery, and a bottom wall and a top wall, which are located in the direction of the length of the pouch battery, wherein each of the side walls is provided with a first clearance groove, and the first clearance grooves extend to the bottom wall; and in the direction of the length of the pouch battery, each side seal edge comprises a first end face closer to the bottom wall, and is connected to the corresponding side wall, and each side seal edge comprises a first extension portion, the first extension portion extending into the corresponding first clearance groove, thereby increasing the sealing width of the pouch housing at the junctions of the side walls and the bottom wall. Therefore, the portions of the side seal edges protruding from the bottom wall can be cut or folded, such that the first end faces of the side seal edges do not protrude from the bottom wall of the encapsulation main body, and the sealing effect of the pouch battery at the cut positions and after the folding is ensured.
Resumen de: WO2026183976A1
Provided in the present application are a battery box and a battery pack. The battery box comprises: a box body, the box body having an opening; a box cover, at least a portion of which is inserted into a cavity of the box body from the opening of the box body; and a sealing structure, at least a portion of which is sandwiched between the inner wall of the box body and the outer wall of the box cover, wherein the sealing structure is arranged around the box body, an annular adhesive injection cavity is formed between the side of the sealing structure facing the opening of the box body, the inner wall of the box body and the outer wall of the box cover, and the adhesive injection cavity is filled with a sealant.
Resumen de: WO2026184817A1
The invention relates to a battery cell complex (10) for a vehicle battery of a motor vehicle, comprising a plurality of battery cells (14) arranged side by side in a plane, and at least one detection element (16) which is fastened to a base (18) or a cover of one of the battery cells (14) and projects beyond said battery cell (14) in the axial direction (Ä).
Resumen de: AU2025327420A1
A battery cell, a battery and an electric device. The battery cell comprises: a casing, which has an opening; an end cover, which is used for covering the opening; an electrode terminal, which is provided on the end cover, wherein in the direction of gravity, the electrode terminal is located at the bottom of the casing; and an electrode assembly, which is accommodated in the casing. The electrode assembly comprises a positive electrode sheet, a separator and a negative electrode sheet, wherein the separator is arranged between the positive electrode sheet and the negative electrode sheet; at least one of the positive electrode sheet, the separator and the negative electrode sheet contains a gel electrolyte; the gel electrolyte comprises a lyophilic polymer and a confined electrolyte located inside the lyophilic polymer; and in the casing, the volume of free electrolyte is less than or equal to 10 mL.
Resumen de: WO2026183984A1
The present application relates to the technical field of battery materials. The present application provides a granulation additive and a method for manufacturing a high‑reliability lithium‑ion battery using same. The manufacturing method comprises: adding a granulation additive to a battery positive electrode material, wherein the granulation additive is a polyether water-soluble resin obtained by subjecting an organic compound A to a ring-opening polymerization reaction under the action of an organic weak base compound B serving as an initiator and a solvent C. The granulation additive has high adhesion and good electrical conductivity, and can be used as a flexible binder in combination with a conventional binder. The granulation additive provides adhesion and granulation functions in a positive electrode granulation process, and has the functions of making positive electrode powder particles smooth and improving the uniformity of the positive electrode powder. By using the granulation additive, the defects when only a conventional binder is used, such as poor adhesion, decreased stability under high‑temperature operating conditions, and increased internal resistance, can be solved, thereby effectively improving the stability and reliability of positive electrodes and battery cells.
Resumen de: WO2026184597A1
A battery separator and a preparation method therefor, and a secondary battery. The battery separator comprises a base membrane, and a first coating layer and a second coating layer that are arranged on the surfaces of the base membrane; the first coating layer comprises a first granular binder material and an inorganic heat-resistant material; the second coating layer comprises a second granular binder material; the softening points T1 and T2 of the first and second granular binder materials satisfy that 25°C≤T1≤45°C, and 45°C≤T2≤65°C; the D50 particle sizes D1 and D2 of the first and second granular binder materials satisfy that 2.5 μm≤D1≤6.5 μm, and 0.1 μm≤D2≤0.5 μm; moreover, 0.15≤(T2-T1)×D2/D1≤8. The battery separator has good low-temperature bonding performance, and can satisfy the bonding requirements of the separator to a negative electrode and a positive electrode in a thermal composite stacking process at a temperature below 65°C, thereby reducing energy consumption; a process window can be broadened, and product stability can be improved.
Resumen de: US20260269358A1
A case includes a thermally conductive insulating layer. The thermally conductive insulating layer is provided on at least part of an inner surface of the case. A thermal conductivity coefficient of the thermally conductive insulating layer ranges from 0.03 W/mK to 10 W/mK, and a resistance of the thermally conductive insulating layer at a high voltage of 1000 V ranges from 100 MΩ to 100 GΩ.
Resumen de: US20260269247A1
A positive electrode plate, a battery, and an electric apparatus. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer disposed on at least one side of the positive electrode current collector, where the positive electrode film layer includes a positive electrode active material and a lyophilic polymer, and a coating weight of the positive electrode film layer is ≥300 mg/1540.25 mm2.
Resumen de: AU2024468972A1
A battery cell suitable for a secondary battery, comprising at least one composite electrode unit. The composite electrode unit comprises a positive electrode sheet and a negative electrode sheet; the positive electrode sheet comprises a first positive electrode active coating (4), the negative electrode sheet comprises a first negative electrode active coating (2), and the first positive electrode active coating (4) and the first negative electrode active coating (2) are stacked with an isolating coating (3) interposed therebetween; the length and width of the first negative electrode active coating (2) are respectively greater than the length and width of the first positive electrode active coating (4); and the isolating coating (3) comprises an inorganic material and a polymer, wherein the proportion of the inorganic material in the isolating coating (3) is not less than 70 wt%, the dielectric constant of the inorganic material is not less than 8, and the average particle diameter D50 of the inorganic material ranges from 0.2 to 5 μm.
Resumen de: AU2025256716A1
A thermal runaway suppression device and method for an energy storage container. The device comprises a fire extinguishing agent storage tank (2) arranged on the inner side or the outer side of a container body (1); a plurality of batteries (3) are arranged in the container body; an output end of the fire extinguishing agent storage tank is respectively connected to one end of a fire detection pipe (5) and one end of a release pipe (6) by means of a cylinder valve (4); a detection box (8) is arranged above a pressure relief valve (7) of each battery; the plurality of detection boxes are connected to each other, and one of the detection boxes is communicated with the other end of the fire detection pipe; the detection boxes and the fire detection pipe are filled with inert gas; the other end of the release pipe extends and surrounds the batteries; and a plurality of nozzles (9) are arranged on the surface of the release pipe. The present device has a simple structure, does not require a corresponding electric control mechanism to maintain normal operation of a fire extinguishing device, has low costs, and is favorable for application and popularization in the field of energy storage.
Resumen de: US20260269419A1
A battery pack includes a support assembly which defining a plurality of first pressure relief holes. A first heat insulating member is connected to the support assembly. A plurality of cells is arranged on a side of the first heat insulating member away from the support assembly. An explosion-proof valve of each of the plurality of cells faces a respective one of the plurality of first pressure relief holes. A second heat insulating member is connected to a side of the support assembly away from the first heat insulating member. At least one of the first heat insulating member and the second heat insulating member seals the plurality of first pressure relief holes.
Resumen de: WO2026184693A1
Disclosed in the present application are an energy storage cabinet and an energy storage system. The energy storage system comprises a plurality of battery packs and the energy storage cabinet, the plurality of battery packs being assembled at intervals inside a cabinet body. The energy storage cabinet comprises the cabinet body, connecting assemblies and lifting lugs, wherein the cabinet body comprises a plurality of first cross beams and a plurality of second cross beams, which are cross-connected to one another, the first cross beams extending in the direction of length of the cabinet body, and the second cross beams extending in the direction of width of the cabinet body. The connecting assemblies are respectively connected to the first cross beams and the second cross beams. The lifting lugs are connected to the first cross beams and the second cross beams by means of the connecting assemblies. The energy storage cabinet and the energy storage system meet the requirement of expanding the internal space of the energy storage cabinet while ensuring a sufficient bearing capacity for the lifting lugs when sodium-ion battery packs are assembled therein.
Resumen de: WO2026184292A1
The present application relates to the technical field of battery cell assemblies, and specifically provides a battery, comprising a positive electrode sheet, a negative electrode sheet, a positive electrode tab and a negative electrode adapter piece; the positive electrode sheet comprises a positive electrode current collector and a positive electrode material layer, the positive electrode material layer being provided with a positive electrode tab recess; the positive electrode tab comprises a body portion provided in the positive electrode tab recess and an extending portion protruding therefrom, a first bending angle α being formed between the extending portion and the positive electrode current collector; the negative electrode sheet comprises a negative electrode current collector and a negative electrode soft tab, and the negative electrode soft tab comprises a laminated section and a collecting section, the laminated section extending from one side of the negative electrode current collector, the collecting section being connected to the negative electrode adapter piece, and a second bending angle β being formed between the collecting section and the negative electrode current collector, where β<α. The laminated section is connected to multiple layers of the negative electrode sheet, and then is in conduction with the negative electrode adapter piece by means of the collecting section, thereby increasing the current flux, reducing the internal resistance of the ba
Resumen de: WO2026184775A2
A preparation method for a lithium iron phosphate material. The method is specifically as follows: mixing iron phosphate, lithium carbonate, a carbon source and an auxiliary material, subjecting the resulting mixture to coarse grinding and fine grinding, then respectively preparing a large-particle lithium iron phosphate and a small-particle lithium iron phosphate (a material A and a material B) by using spray drying and calcination processes, mixing the material A and the material B proportionally, adding an auxiliary material thereto, then performing grinding, and further performing spray drying, calcining and crushing, so as to obtain a final lithium iron phosphate product.
Nº publicación: WO2026183930A1 10/09/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026183930A1
Disclosed in the present disclosure are a battery cell, a battery apparatus, and an electric apparatus. An electrode assembly of the battery cell comprises a plurality of electrode sheet units stacked in a first direction; each electrode sheet unit comprises a first electrode sheet and a second electrode sheet stacked in the first direction; the first electrode sheet and the second electrode sheet have opposite polarities; and solid electrolyte layers are connected to two sides of either the first electrode sheet or the second electrode sheet in the first direction. Each electrode sheet unit further comprises an adhesive frame sleeved on the outer edge of the second electrode sheet; the shape of the inner edge of the adhesive frame matches the shape of the outer edge of the second electrode sheet, and the shape of the outer edge of the adhesive frame matches the shape of the inner edge of the first electrode sheet; and in the first direction, two sides of the adhesive frame are respectively bonded to first electrode sheets that are adjacent to each other in the first direction.
BOPI
Sede Electrónica
