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741
resultados
Última actualización
10/11/2026 [17:21:00]
Resumen de: FR3174832A1
Electrolyte et accumulateur lithium-ion L’invention concerne un électrolyte pour accumulateur lithium-ion qui comprend, en pourcentages massiques exprimés par rapport à la masse dudit électrolyte : - entre 10% et 18%, de préférence entre 12% et 15%, d’hexafluorophosphate de lithium, - entre 0,25% et 2,5%, de préférence entre 0,5% et 2%, de 1,3-propane sultone, - entre 0,25% et 5%, de préférence entre 0,5% et 2%, de carbonate de vinylène, - entre 0,25% et 5%, de préférence entre 0,5% et 2%, de difluorophosphate de lithium, - Qsp d’un solvant organique non-aqueux. L’invention concerne également un accumulateur lithium-ion comprenant cet électrolyte.
Resumen de: FR3174831A1
Le procédé de fabrication d’une cellule (100) électrique rechargeable cylindrique comprend : une étape consistant à prévoir un corps (101) creux comprenant un fond (102) fermé d’un seul tenant et une ouverture (103) agencée à l’opposé du fond (102) ;une étape d’insertion, dans le corps (101) creux au travers de l’ouverture (103), d’un ensemble (104) comprenant un premier collecteur (105) de courant, un deuxième collecteur (106) de courant et un enroulement (107) d’électrodes relié électriquement aux premier et deuxième collecteurs (105, 106) de courant ;une étape de soudure du premier collecteur (105) de courant au fond (102) du corps (101) creux. Figure à publier avec l’abrégé : Fig. 4
Resumen de: DE102025116878A1
Vorgestellt wird ein Verfahren (100) zum Abdichten einer Batterieelektronik (10), aufweisend die folgenden Schritte:- Bereitstellen (102) von:- einer Batterieelektronik (10),- einem Gehäuse (12) und einem Gehäusedeckel (14) die einen Gehäuseinnenraum begrenzen, wobei die Batterieelektronik (10) in dem Gehäuseinnenraum angeordnet ist, und wobei Gehäuse (12) und Gehäusedeckel (14) über eine Dichtung (16) abgedichtet sind, wobei im Gehäuseinnraum ferner angeordnet sind:- ein Drucksensor (18),- ein Kompressor (20), wobei der Kompressor (20) mit dem Drucksensor (18) in Verbindung steht,- ein Feuchtigkeitssensor (22),- Messen (104) eines Innendrucks und einer Feuchtigkeit im Gehäuseinnenraum,- bei Überschreiten eines Grenzwerts von Innendruck und eines Grenzwerts von Feuchtigkeit, Erhöhen (106) des Innendrucks im Gehäuseinnenraum durch den Kompressor.
Resumen de: WO2026228439A1
Disclosed in the present application are a battery case assembly, a battery cell, a battery pack and an electric device. The battery case assembly comprises a housing, an end cap, sealing members, and support members, wherein the housing comprises a housing body and an encapsulation portion; the housing body has an accommodating cavity inside; the encapsulation portion is arranged at one end of the housing body; an opening is formed in the encapsulation portion; the end cap is arranged at the opening of the encapsulation portion; in the length direction of the housing, compression spaces adapted to communicate with the opening and the accommodating cavity are formed between the end cap and the encapsulation portion; the sealing members are arranged in the compression spaces between the end cap and the encapsulation portion; the sealing members are adapted to seal the compression spaces between the end cap and the encapsulation portion; and the support members are arranged in the compression spaces between the end cap and the encapsulation portion.
Resumen de: WO2026231617A1
Disclosed is a flexible electrode comprising: an asymmetric membrane having a first surface and a second surface and comprising: a polymeric binder; a first plurality of 1-dimensional (1-D) nanomaterials comprising an active material comprising Sn, Sb, Ge, Al, Mg, Zn, Mn, Fe, Co, Ni, Mo, Si, alloys thereof, oxides thereof, salts thereof, alloys thereof, or a combination thereof; and a second plurality of 1-D nanomaterials comprising of conductive materials, wherein the flexible electrode exhibits capacity retention of at least 60% at a current density of 1 to 300 mA/g, and wherein the flexible electrode exhibits substantially no macroscale damage after at least 1000 bending cycles as measured by a three-point bending test according to ASTM D7774.
Resumen de: WO2026230204A1
The present invention provides a battery by means of a simple manufacturing process. The battery comprises an electrode body. The electrode body comprises a current collector assembly and a plurality of active material layers. The active material layers and the current collector assembly are layered sequentially in the electrode body. The current collector assembly comprises an insulating film and a current collector that is provided to the insulating film so as to be in contact with the active material layers. The insulating film is a porous body. The current collector is a porous body or a porous plate. The current collector is provided across at least one extended section and at least one connection section.
Resumen de: US20260351811A1
A secondary battery capable of reducing a risk of damage to a separator includes an electrode assembly and a current collector. The current collector includes a current collecting unit and a pole unit, where the pole unit includes a support portion coupled to an end of a current collecting protrusion. The support portion has a greater cross-sectional area than the current collecting protrusion and is accommodated in an opening of a plate of the current collecting unit. A stopper having an upper surface spaced above the plate of the current collecting unit may be positioned adjacent to the current collecting protrusion of the pole unit.
Resumen de: WO2026228692A1
A solid-state battery, comprising a positive electrode sheet, a negative electrode sheet, a separator, and an electrolyte. The positive electrode sheet comprises a positive electrode current collector and a positive electrode material coated on the surface of the positive electrode current collector. The negative electrode sheet comprises a negative electrode current collector and a negative electrode material coated on the surface of the negative electrode current collector. The electrolyte comprises at least a siloxane acrylate polymer electrolyte. The positive electrode material comprises at least a positive electrode active material and a solid-state electrolyte, and the positive electrode active material comprises a high-nickel positive electrode material.
Resumen de: US20260351805A1
A current-carrying component manufacturing method according to the present invention includes a first step of abutting an end surface of a plate-shaped metal foil material in which a plurality of metal foils are laminated and an end surface of a metal plate material having a thickness substantially same as the metal foil material in a laminating direction of the plurality of metal foils, and a second step of performing friction stir spot welding between the metal foil material and the metal plate material by rotating and inserting a friction stir welding tool into the metal foil material and the metal plate material at a position including a part of a boundary between the end surface of the metal foil material and the end surface of the metal plate material butted together.
Resumen de: US20260351707A1
0000 A battery management system for high-voltage battery packs and containerized energy storage systems monitors cell voltages, temperatures, and mechanical conditions such as pressure, strain, or swelling to detect early failure conditions. The system includes a battery module controller with sensing circuitry, communication interfaces, and active cell-balancing circuitry. In one embodiment, cell balancing is performed using high-frequency AC power derived from an external source, enabling efficient balancing without drawing energy from the battery cells. The controller determines cell metrics, including highest, lowest, average, and delta values, and controls balancing and safety functions based on these parameters. Upon detecting abnormal mechanical or thermal conditions, the system can inhibit charging or discharging and initiate protective actions. The architecture supports modular battery packs and rack-level coordination within containerized battery energy storage systems.
Resumen de: US20260346064A1
0000 The invention is a fire extinguishing structure for a battery box, which has a box body having side panels surrounded to form at least one space for accommodating and positioning at least one battery core module and at least one fire extinguisher, wherein any fire extinguisher has a valve connected to at least one injection port, the at least one injection port is located above the at least one battery core module with an injection direction toward the top of the battery core module; and at least one sensor located above the battery core module and connected to the valve, when the sensor senses high temperature in the battery box, the valve is automatically opened to allow the fire extinguishing agent in the fire extinguisher to be sprayed outward through the at least one injection port, so as to immediately perform the fire extinguishing action.
Resumen de: US20260351653A1
0000 An apparatus for manufacturing battery cells includes: a supply roller continuously supplies a sheet in a first direction in which roll-to-roll travel is performed; a winding core winds the sheet supplied from the supply roller; and a transfer roller is disposed between the supply roller and the winding core to transfer the sheet from the supply roller to the winding core. The transfer roller includes: a first roller rotates about a first rotation shaft; a second roller is disposed at one side of the first roller in a second direction intersecting the first direction to rotate about a second rotation shaft; and a third roller is disposed at the other side of the first roller in the second direction to rotate about a third rotation shaft. The second roller and the third roller are tilted in different rotational directions with respect to the first roller.
Resumen de: WO2026229984A1
A CATHODE ELECTRODE FOR RECHARGEABLE ALKALINE BATTERY CELL AND METHOD OF MANUFACTURING THE CATHODE ELECTRODE The embodiments disclosed herein achieve a cathode electrode (100) which enhances the life cycle and performance of the rechargeable alkaline battery cell (10). The battery cell (10), according to embodiments herein, when cycled at C/4 rate at 40% utilization of the cathode electrode (100), delivers 250 to 350 cycles at 100% depth of discharge. The cathode electrode (100) improves the performance of rechargeable alkaline battery cell (10) by about 200-210%.
Resumen de: WO2026230952A1
The present invention relates to a cathode material, a cathode, and a lithium secondary battery, the cathode and lithium secondary battery including the cathode material. The cathode material includes lithium transition metal oxide particles in the form of single particles. When a pressure of 7.53 ton/cm2 is applied to the cathode material, the strain in the cathode material is relieved if the rate of glide occurrence in lithium transition metal oxide particles having a particle size of D10 or less and lithium transition metal oxide particles having a particle size exceeding D10 is different, and thus the cathode material includes the feature of improving electrochemical performance when used in a lithium secondary battery.
Resumen de: WO2026230662A1
Provided are a bus bar assembly, a battery pack including same, a method for maintaining the battery pack, and a vehicle including same. The bus bar assembly according to the present invention comprises first and second coupling bus bars, and a module bus bar connected therebetween, and at least a portion of the bus bar assembly may be assembled and disassembled. According to one aspect of the present invention, a battery module and/or an internal component can be efficiently replaced without completely removing the bus bars. Accordingly, maintenance can be safe, and safety and reliability of the battery pack can be ensured.
Resumen de: WO2026230957A1
The present invention relates to a positive electrode material comprising lithium transition metal oxide particles in the form of single particles, and a positive electrode and a lithium secondary battery each comprising same.
Resumen de: WO2026229845A1
The purpose of the present invention is to provide a novel lithium-ion secondary battery. Provided is a lithium ion secondary battery having a positive electrode and a negative electrode. The positive electrode includes positive electrode active material particles. The positive electrode active material particles include lithium, cobalt, oxygen, magnesium, fluorine, nickel, and aluminum. The positive electrode active material particles have a surface layer portion and an inner portion. The surface layer portion has a first region in which a region of a layered rock salt-type crystal structure, a region of a LiTiO2-type crystal structure in the Fd-3m space group, and a region having a rock salt-type crystal structure are arranged in this order from the inner portion toward an outer portion of the positive electrode active material particles. Furthermore, in a cross-sectional HAADF-STEM image, the surface of the first region forms an angle of 109° ± 3° with respect to the {003} plane of the layered rock salt-type crystal structure.
Resumen de: WO2026230956A1
The present invention relates to a composite cathode active material, and a secondary battery electrode and a lithium secondary battery comprising same, and, more particularly, to a composite cathode active material comprising a cationic polymer, and a secondary battery electrode and a lithium secondary battery comprising same. The composite cathode active material according to the present invention comprises: a core particle including a cathode active material; and a polymer coating layer formed on the core particle, wherein the polymer coating layer contains a first repeating unit having a cationic group.
Resumen de: WO2026228844A1
A battery end plate and a battery module. The battery end plate comprises an end plate body (1) and a reinforcing beam assembly (2), wherein the end plate body (1) comprises two edge portions (11) and a middle portion (12), the two edge portions (11) respectively being located on two sides of the middle portion (12) and being connected to the middle portion (12); and the reinforcing beam assembly (2) comprises two first beams (21), the two first beams (21) respectively being embedded into the two edge portions (11).
Resumen de: US20260351782A1
0000 A battery pack has a receiving space bounded by a housing wall, and a cell assembly made up of individual cells is received in the receiving space. At least one ventilation opening for entry and/or exit of an air flow for temperature conditioning of the cell assembly is formed in at least one housing wall of the receiving space. A closure element is assigned to the ventilation opening. In a closed position, the closure element closes the ventilation opening to block entry and/or exit of the air flow. In an open position, the closure element opens the ventilation opening to allow entry and/or exit of the air flow.
Resumen de: WO2026230657A1
Disclosed are solid electrolytes, a preparation method thereof, and all-solid-state rechargeable batteries, the solid electrolytes comprising sulfide-based solid electrolyte particles, and a coating layer, on the surface of the sulfide-based solid electrolyte particles, comprising a lithium sulfur-based compound, wherein the lithium sulfur-based compound comprises elements of group 14 or 15, or a combination thereof, and has residual solvent content of 10-3000 ppm.
Resumen de: DE102025116871A1
Die Erfindung betrifft ein Verfahren zum Ermitteln einer Güte (G) einer thermischen Anbindung zumindest einer Zellgruppe (14) an eine Kühleinrichtung (22) über ein thermisches Interfacematerial (24), wobei ab einem Anfangszeitpunkt (t0) mittels einer Temperiereinrichtung (28) ein Kühlmittel (34) der Kühleinrichtung (22) über denen Kühlmitteleingang (30) zugeführt wird, das die Kühleinrichtung (22) durchströmt. Dabei ist vorgesehen, dass die Zellgruppe (14) zu dem Anfangszeitpunkt (t0) eine Ausgangstemperatur (TU) aufweist, die gemessen oder vorgegeben wird, wobei eine bestimmte Kühlmitteltemperatur (TK) des Kühlmittels (34) am Kühlmitteleingang (30) mittels der Temperiereinrichtung (28) eingestellt wird, die von der Ausgangstemperatur (TU) verschiedenen ist, nach dem Anfangszeitpunkt (t0) mindestens eine von einem Wärmeaustausch zwischen der Kühleinrichtung (22) und zumindest einem ersten Teil (20, 16) der Zellgruppe (14) beeinflusste Größe (M; P, T, E) gemessen wird, und die Güte (G) in Abhängigkeit von der mindestens einen Größe (M; P, T, E) ermittelt wird.
Resumen de: WO2026227392A1
The present application provides an energy storage apparatus (1000), an energy storage system (2000), and a charging network (3000). The energy storage apparatus (1000) comprises a thermal management module (200) and a plurality of battery apparatuses (100); each battery apparatus (100) comprises a heat exchange component (110); the thermal management module (200) comprises a thermal management unit (210) and a fluid circuit (220); the thermal management unit (210) is connected to each heat exchange component (110) by means of the fluid circuit (220); and at least two heat exchange components (110) are arranged in series. According to the embodiments of the present application, the energy storage apparatus (1000) can reduce a total flow rate of a heat transfer medium provided by a thermal management unit (210) by means of connecting at least two heat exchange components (110) in series, thereby reducing operational power consumption of the thermal management unit (210) for pumping the heat transfer medium.
Resumen de: WO2026230846A1
According to exemplary embodiments of the present invention, a battery pack comprises a cell stack, which includes a first battery cell and a second battery cell arranged in an X direction, and a composite pad between the first battery cell and the second battery cell. The composite pad includes a first heat dissipation layer, a second heat dissipation layer and a compression layer between the first heat dissipation layer and the second heat dissipation layer, wherein the first heat dissipation layer can include, on one side in a +Y direction, a first wing portion bent in the X direction.
Nº publicación: DE102025116604A1 05/11/2026
Solicitante:
PORSCHE AG [DE]
Dr. Ing. h.c. F. Porsche Aktiengesellschaft
Resumen de: DE102025116604A1
Die Erfindung betrifft ein Kraftfahrzeug (1) mit einer Standheizung (6), die einen Verbrennungsmotor (7) umfasst, und mit einer Batterie (5).Um das Laden der Batterie (5) des Kraftfahrzeugs (1) zu vereinfachen und/oder zu verbessern, ist die Standheizung (6) wärmeübertragungsmäßig mit einem thermoelektrischen Generator (8) gekoppelt, der wiederum elektrisch mit der Batterie (5) gekoppelt ist.
BOPI
Sede Electrónica
