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1223
resultados
Última actualización
28/03/2026 [07:47:00]
Resumen de: DE102024127858A1
Die vorliegende Offenbarung betrifft eine Antriebsbatterie (100) für ein Fahrzeug (10), umfassend:- ein Batteriegehäuse (110), in dem ein Aufnahmeraum (118) für eine Vielzahl von Batteriezellen (102) ausgebildet ist; und- eine Kühlanordnung (120), die für eine Kühlung der Vielzahl von Batteriezellen (102) mit einem Kühlmittel durchströmbar ist, wobei die Kühlanordnung (120) einen Zu- und Ablaufabschnitt (122) aufweist, der sich durch einen Zentralbereich (118) des Aufnahmeraums (116) erstreckt, und wobei wenigstens ein Strukturpfad (130) des Batteriegehäuses (110) im Bereich des Zu- und Ablaufabschnitts (122) ausgebildet ist.
Resumen de: DE102024003066A1
Die Erfindung betrifft einen elektrischen Energiespeicher (1), welcher ein Gehäuse (4) aufweist, in welchem eine Mehrzahl von elektrochemischen Zellen (2) angeordnet sind, welche im Gehäuse (4) direkt mittels eines elektrisch nicht leitfähigen Kühlfluids (8) kühlbar sind, wobei im Gehäuseboden (4.3) zum Ablassen des Kühlfluids (8) mindestens eine Auslassöffnung (4.4) vorgesehen ist, die im Normalbetrieb dauerhaft mittels eines Verschlusselements (12, 12', 12") geschlossen ist und bei Detektion einer Leckage in einem das Kühlfluid (8) führenden Kühlkreislauf öffnet.
Resumen de: DE102026105024A1
Die Erfindung betrifft einen elektrischen Energiespeicher (1), aufweisend einen Zelldeckel (3), einen Zellbecher (5) und einen Elektrodenstapel (7), wobei der Elektrodenstapel (7) in dem Zellbecher (5) angeordnet ist und der Zellbecher (5) durch den Zelldeckel (3) verschlossen ist, wobei in den Zelldeckel (3) eine Befestigungsschnittstelle (9) integriert ist, an welcher eine Messvorrichtung (11) direkt oder indirekt lösbar befestigbar ist.
Resumen de: WO2026061707A1
Proposed is an assembly (1) having at least a first element (2) and a second element (3) which are interconnectable by means of at least one latching element (6), the latching element (6) comprising the following: - two spring legs (7) which are connected to the first element (2) and which are interconnected via a bridge (9), the bridge (9) extending in a first spatial direction and the spring legs (7) allowing a deflection movement of the bridge (9) in a second spatial direction perpendicular to the first spatial direction, and - at least one projection (10) which protrudes from the bridge (9) in the second spatial direction and which can be engaged with a recess in the second element (3) in order to latch the first element (2) to the second element (3), with the bridge (9) being deflected in the second spatial direction.
Resumen de: WO2026061701A1
The invention relates to a cooling device for a high-voltage battery comprising an external cooling circuit (7) operated with cooling water. The cooling device according to the invention is characterized in that the cooling circuit (7) is coupled via a heat exchanger (6) to a battery-internal cooling circuit (1) operated with a dielectric, wherein a hydrogen sensor (8) is provided in the high-voltage battery. The ingress of water is inferred starting from a critical hydrogen concentration at the hydrogen sensor (8).
Resumen de: WO2026061672A1
The invention relates to a protection plate (10) configured to be assembled in a window of a cooler, notably a cooler formed by two joined plates, this protection plate (10) comprising at least one ventilation opening (12) which is initially closed by a cap (27) connected to the periphery of the ventilation opening (12) by at least one zone of frangible material (28) so that the cap (27) can be removed from the opening in order to define an off-gassing passage (29) in the event of off-gassing from a cell (101) of a battery positioned facing the cap (27), the protection plate (10) also being fire-resistant.
Resumen de: WO2026064445A1
A fibrillizable binder composition is provided comprising a copolymer derived from tetrafluoroethylene (TFE) and a comonomer having at least one polar pendant group including oxygen. Also provided are binder compositions for use in making electrode films and batteries wherein the binder compositions comprise a fibrillizable tetrafluoroethylene (TFE)-based polymer or TFE-based copolymer co-coagulated with a polymer having at least one pendant polar group comprising oxygen, such as an ionomer.
Resumen de: WO2026064801A2
Reactive extraction of metals, energy storage and delivery systems, and associated articles, systems, and methods are generally described. Certain aspects related to energy storage and delivery systems that employ metallic sodium and/or metallic lithium and/or metallic potassium as an electrochemically active material.
Resumen de: WO2026064630A1
Modular construction elements comprised of structural supercapacitors composed of a conductive composite and methods of manufacturing are described herein. The conductive composite has a controllable transport porosity, that enables transport of electrical charge, via electrolyte solution, to a distributed conductive network within the composite. The distributed conductive network has a controllable storage porosity that enables the storage of electrical charge. Modular construction elements can be connected to build desired architectural structures in a variety of different fields of use. Similarly, modular construction elements can be connected to form one or more electrical systems that enable the storage, transport, and discharge of electrical energy using the distributed conductive network. The modular construction elements provide an adaptable building system able to simultaneously address structural and energy storage needs.
Resumen de: WO2026064291A1
A variety of methods and systems for processing petroleum precursor to form graphitic particles which may be suitable for use as negative electrode materials in batteries with stabilization performed at or above the softening point of the petroleum precursor are disclosed. In embodiments, the method of fabricating a negative electrode includes grinding a petroleum precursor at a temperature below a softening point of the petroleum precursor to form at least precursor particles, carbonizing the precursor particles by heating to a temperature from about 700 °C to about 1800 °C to form at least carbonized particles, and graphitizing by heating to a graphitization temperature of about 2000 °C to about 4000 °C.
Resumen de: DE102024127919A1
Die Erfindung betrifft Batteriegehäusekomponente (1), aufweisend eine einen Kunststoff aufweisende Gehäusewand (10) und eine elektromagnetisch isolierende Schicht (20), wobei die Gehäusewand (10) einen ersten Abschnitt (11) aufweist, in dem die Gehäusewand (10) die elektromagnetisch isolierende Schicht (20) derart umgibt, dass die elektromagnetisch isolierende Schicht (20) im ersten Abschnitt (11) der Gehäusewand (10) nicht zugänglich ist, und wobei die Gehäusewand (10) einen zweiten Abschnitt (12) aufweist, in dem die elektromagnetisch isolierende Schicht (20) an einer ersten Seite (14) der Gehäusewand (10) angeordnet ist, sodass die Gehäusewand (10) in dessen zweiten Abschnitt (12) eine elektrisch leitfähige Kontaktfläche (16) aufweist, an welcher die elektromagnetisch isolierende Schicht (20) unmittelbar zugänglich ist, wobei im Bereich des zweiten Abschnitts (12) der Gehäusewand (10) ein Durchdringungsschutz (30) zwischen der Gehäusewand (10) und der elektromagnetisch isolierenden Schicht (20) angeordnet ist.
Resumen de: WO2026061909A1
The invention relates to a thermal management system (3) for a motor vehicle (1) comprising a storage battery (2), comprising a first thermo-fluidic circuit (4) in which a first fluid circulates and a second thermo-fluidic circuit (5) in which a second fluid circulates, a heat transfer module (6) configured to thermally couple the first thermo-fluidic circuit and the second thermo-fluidic circuit, the second thermo-fluidic circuit being configured to be thermally coupled to the storage battery. According to the invention, the management system comprises a control module (7) configured to control the flow rate of the second fluid in the second thermo-fluidic circuit as a function of a setpoint value representative of a value of thermal power to be transferred to the accumulator battery. Also proposed is a motor vehicle equipped with a storage battery and such a thermal management system. A thermal management method is also proposed.
Resumen de: WO2026061883A1
The present disclosure provides a method for preparing a positive electrode active material powder for Li-ion rechargeable batteries, comprising: providing a first mixture of Li transition metal oxide particles with an Al-containing compound powder; milling the first mixture to obtain a first intermediate material powder; and milling the first intermediate material powder using jet mills to obtain a second intermediate material powder.
Resumen de: WO2026061885A1
A method for producing a metal-containing hydroxide or oxyhydroxide particulate material, the method comprising the steps of: (a) providing a first slurry comprising ammonia and particles of hydroxide or oxyhydroxide of metals Mc; (b) reducing a level of ammonia (NH3(aq)) from at least a portion of the first slurry to obtain a seed slurry; and (c) combining the seed slurry with streams of an aqueous solution (As) containing salts of metals Ms and an aqueous solution (Bs) containing a precipitating agent, thereby obtaining a second slurry comprising particles having a layer of hydroxide or oxyhydroxide of Ms on the particles of the seed slurry, wherein the Mc=Ni1-xc-yc-zcMnxcCoycAzc with 0≤xc≤0.85, 0≤yc≤0.35, 0≤zc<0.1, and 0.15≤1-xc-yc-zc≤1; and wherein the Ms=Ni1-xs-ys-zsMnxsCoysAzs with 0.55≤xs≤0.85, 0≤ys≤0.35, 0≤zs<0.1, and 0.15≤1-xs-ys-zs≤0.45.
Resumen de: WO2026062354A1
The invention relates to an assembly (100) for a battery of an electric vehicle, which assembly comprises: - a support device (101) defining a metal chamber (102) intended to receive a heat-transfer fluid (10), the metal chamber (102) comprising an inlet (103) and an outlet (104) intended for the circulation of the heat-transfer fluid (10) through the metal chamber (102); - battery cells (105) each comprising a rigid outer casing (106), the battery cells (105) each being sealingly mounted to the metal chamber (102) such that they each have a first portion (107) extending inside the metal chamber (102) and a second portion (108) extending outside the metal chamber (102).
Resumen de: WO2026062351A1
The present invention relates to the use, in a Li-ion secondary battery, of an amorphous polymer P1 comprising at least one -(S-R-S)-(S-R-S)- segment.
Resumen de: WO2026062349A1
The invention relates to a solid electrolyte composition which can be used to manufacture a film offering a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This composition can be used in a separator or an electrode of Na-ion or K-ion batteries.
Resumen de: WO2026062165A1
A current collector (200) for connecting an electrode tab (108) of an electrode assembly (106) to an electrode terminal (104) of a case (102) in which the electrode assembly (106) is received. The current collector (200) comprises a tab part (202) configured to be welded to the electrode tab (108) and extending in a first plane; a terminal part (204) configured to be connected to the electrode terminal (104) and extending in a second plane perpendicular to the first plane; and a connection part (206) connecting the tab part (202) to the terminal part (204) to provide a first current path (Cl) between the electrode tab (108) and the electrode terminal (104), the connection part (206) extending in a third plane perpendicular to both the first plane and the second plane. The tab part (202) comprises a first weld region (212) and the terminal part (204) comprises a second weld region (214), the first and second weld regions (212, 214) welded together to provide a second current path (C2) between the electrode tab (108) and the electrode terminal (104).
Resumen de: WO2026062161A1
The disclosure relates to a cell comprising natural graphite and an electrolyte additive. Natural graphite has higher surface functionality and thus reactivity with electrolyte than artificial graphite. This means that anode active material comprising natural graphite will typically degrade faster than the synthetic variant. It has surprisingly been found than the addition of a specific group of electrolyte additives improves the stability of a cell comprising large amounts of natural graphite as anode active material.
Resumen de: WO2026061802A1
The invention relates to a storage battery (10) comprising a housing (20) that houses electrochemical cells and a management system (42) for managing the electrochemical cells. According to the invention, the battery comprises, in the housing (20): - at least one heating layer (60) that incorporates an electrical track suitable for being supplied with current by the electrochemical cells so as to heat the electrochemical cells through Joule heating, and - a transistor (80) controlled by the management system, this management system being programmed to carry out pulse-width modulation of the electrical power received by the at least one heating layer.
Resumen de: WO2026062197A1
The invention relates to an electric energy storage device for a vehicle, comprising a housing in which a plurality of electrically interconnected individual cells are provided. According to the invention, at least one temperature-control element (2) and/or at least one temperature-control structure (3) for controlling the temperature of at least a number of individual cells provided in the housing is mounted or formed on and/or in at least one housing wall (1) and/or on and/or in a housing base (5) and/or on and/or in a housing cover.
Resumen de: WO2026062568A1
The present invention relates to a tape of polycrystalline solid electrolyte material of the formula (I) M3-z(Mek+)fX3-z+k*f wherein the tape has a thickness that is lower or equal to 100 µm, and a length that is greater than or equal to 1 mm. The invention further concerns the preparation process of a polycrystalline solid electrolyte of formula (I) or of a tape according to the invention comprising the steps of: disposing a compound of formula (I) or an ammonium complex thereof on a substantially planar surface, heating the compound of formula (I) or the ammonium complex thereof at a temperature ranging from 290 °C to 550 °C, and concomitantly or sequentially to the heating step, applying to the compound of formula (I) a pressure that is orthogonal to the substantially planar surface, said pressure ranging from 1.5 MPa to 30 MPa.
Resumen de: US20260088347A1
A method for preparing a polymer solid electrolyte includes (S1) preparing a polymer crosslinked with a polyethylene oxide-based copolymer containing a crosslinkable functional group; and (S2) vapor-depositing a polar solvent onto the polymer prepared in (S1), wherein the vapor deposition step is carried out for a period of time that satisfies a prescribed Equation.
Resumen de: US20260088305A1
An electrode current collector that includes a current collector body and a polymer layer formed on the current collector body, where the polymer layer includes a copolymer containing a first thiophene unit having a hydrocarbon group with 10 or more carbon atoms and a second thiophene unit having a hydrocarbon group with 9 or less carbon atoms, and the electrode current collector can exhibit excellent electrical characteristics, including low resistance, in a normal state in a secondary battery or the like, and can ensure stability through an increase in resistance in an abnormal state. Also provided are uses of the electrode current collector.
Nº publicación: US20260088345A1 26/03/2026
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
Resumen de: US20260088345A1
A cathode material of the present disclosure includes a cathode active material, a coating layer containing a first solid electrolyte, and coating at least part of a surface of the cathode active material, and a second solid electrolyte. The first solid electrolyte contains Li, Al, and X, and does not contain Ti. X is at least one selected from the group consisting of F, Cl, Br, and I. The ratio of the volume of the first solid electrolyte to the total volume of the first solid electrolyte and the cathode active material is greater than or equal to 5.6% and less than or equal to 8.1%.
BOPI
Sede Electrónica
