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1670
resultados
Última actualización
22/03/2026 [07:31:00]
Resultados 725 a 750 de 1670
Resumen de: US20260074302A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.
Resumen de: US20260074303A1
A battery module may include battery cells, two sensors connected to the battery cells and configured to generate voltage data, an analog front-end integrated circuit (AFE IC) connected to the sensors and configured to generate a (1-1)-th and (1-2)-th control signal based on the voltage data, a (1-1)-th switching element connected to a first battery cell and the AFE IC and configured to perform an on/off operation based on the (1-1)-th control signal, a (1-2)-th switching element connected to a second battery cell and the AFE IC and configured to perform an on/off operation based on the (1-2)-th control signal, a microcontroller unit (MCU) connected to the AFE IC, and a cell balancing circuit connected to the (1-1)-th switching element and the (1-2)-th switching element and configured to perform balancing on the battery cells according to the on/off operations of the (1-1)-th switching element and the (1-2)-th switching element.
Resumen de: US20260074304A1
A battery communication management device, including a rack battery management part including a microcontroller and an interface converter, and a plurality of module battery management parts in serial connection with the rack battery management part and managed by the rack battery management part, wherein each of the plurality of module battery management parts manages a battery module, each of the plurality of module battery management parts includes an analog front end, and the microcontroller determines a type of communication failure between the rack battery management part and the plurality of module battery management parts.
Resumen de: US20260074305A1
A battery management system (BMS) including a memory in which a resistance value of a wiring resistor of an electrical connection path between a battery cell and the BMS is stored, and a processor configured to measure a first cell voltage of the battery cell and to remove a voltage error due to the wiring resistor reflected in the measured first cell voltage based on the resistance value of the wiring resistor stored in the memory to estimate a second cell voltage that is an actual voltage of the battery cell.
Resumen de: DE102025135303A1
Eine Vorrichtung und ein Verfahren zum Laden eines Batteriepacks können einen oder mehrere Ladegerätanschlüsse umfassen, die so konfiguriert sind, dass sie mit einem oder mehreren entsprechenden Batteriepackanschlüssen eines Batteriepacks verbunden werden können. Die Vorrichtung kann einen Sensor umfassen, der so konfiguriert ist, dass er eine Bewegung des Batteriepack-Ladegeräts misst. Die Vorrichtung kann eine Steuerung umfassen, die elektrisch mit dem Sensor gekoppelt und so konfiguriert ist, dass sie: vom Sensor einen Bewegungsparameter des Batteriepack-Ladegeräts empfängt, basierend auf dem Bewegungsparameter einen Derating-Wert bestimmt und basierend auf dem Derating-Wert die Strommenge modifiziert, die dem Batteriepack über den einen oder mehreren Anschlüssen zugeführt wird.
Resumen de: DE102025117848A1
Ein Batteriepack gemäß der vorliegenden Erfindung umfasst ein Batteriegehäuse, ein Batteriemodul, ein erstes Befestigungselement, ein zweites Befestigungselement und ein Wärmeleitelement. Das Batteriegehäuse umfasst ein oberes Gehäuse und ein unteres Gehäuse. Das Batteriemodul ist in dem Batteriegehäuse aufgenommen. Das Batteriemodul umfasst eine Vielzahl von Batteriezellen, die in dem Batteriemodul gestapelt sind. Das erste Befestigungselement ist konfiguriert, um den Deckplattenbereich des oberen Gehäuses und das Batteriemodul zu befestigen. Das zweite Befestigungselement ist konfiguriert, um den Bodenplattenbereich des unteren Gehäuses und das Batteriemodul zu befestigen. Das Wärmeleitelement ist in Kontakt mit der oberen Fläche des Batteriemoduls und der inneren Fläche des Deckplattenbereichs zwischen dem Batteriemodul und dem Deckplattenbereich vorgesehen.
Resumen de: DE102024126306A1
Die Erfindung betrifft ein Verfahren zum Steuern einer Kühlanordnung (14) zum Kühlen einer Batterie (22) eines Kraftfahrzeugs (10), wobei die Kühlanordnung (14) einen von einem Kühlmittel durchströmbaren Kühlmittelkreis (18) mit einer Kühleinrichtung (24) für die Batterie (22) umfasst, einen von einem Kältemittel durchströmbaren Kältemittelkreis (20), und einen Wärmeübertrager (34), über den der Kältemittelkreis (20) und der Kühlmittelkreis (18) miteinander thermisch gekoppelt oder koppelbar sind, wobei eine Steuereinrichtung (16) in einem ersten Betriebsmodus (B1) die Kühlanordnung (14) gemäß einem ersten Kühlmodus (M1) derart steuert, dass eine erste Kältemitteltemperatur (T1) des Kältemittels am Wärmeübertrager (34) eingestellt wird. Dabei wechselt die Steuereinrichtung (16) bei Vorliegen eines zweiten Betriebsmodus (B2) in einen zweiten Kühlmodus (M2), gemäß welchem sie die Kühlanordnung (14) derart steuert, dass zumindest temporär eine zweite Kältemitteltemperatur (T2) des Kältemittels am Wärmeübertrager (34) eingestellt wird, die niedriger ist als die erste Kältemitteltemperatur (T1).
Resumen de: DE102025125275A1
Die hier genannte Offenbarung betrifft ein Elektrodenaktivmaterial und eine Batterie. Ein Elektrodenaktivmaterial unter Verwendung eines Granulatkörpers. Der Granulatkörper ist ein Sekundärpartikel, der durch Primärpartikel bereitgestellt wird, die ein Si-Element unter Verwendung eines Bindemittels enthalten. Im Elektrodenaktivmaterial beträgt der Anteil eines organischen Lösungsmittels 950 ppm oder weniger. Ausgewählte Zeichnung:
Resumen de: DE102024126366A1
Die Erfindung betrifft eine Wärmetauscheinrichtung (10) für Batteriezellen (20) eines Hochvoltspeichers, aufweisend wenigstens zwei Wandelemente (11), die derart miteinander verbunden sind, dass die Wandelemente (11) einen Strömungsraum (12) für ein Fluid (F) ausbilden und wenigstens eines der Wandelemente (11) flexibel ausgebildet ist, wobei die Wärmetauscheinrichtung (10) wenigstens ein Abstandselement (14) aufweist.
Resumen de: US20260074391A1
A conductive structure and a manufacturing method, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post including a first end and a second end opposite to each other. A metal layer bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer bonded to the surface of the first end of the metal post is arranged to extend from the surface of the first end of the metal post to the second end.
Resumen de: US20260074237A1
A solid-state battery has a first collector, a first electrode layer, an electrolyte layer, a second electrode layer and a second collector in that order, wherein the first collector includes a resin layer that contacts the first electrode layer, the first electrode layer contains an electrode active material, and the electrode active material has an active material resin.
Resumen de: US20260074214A1
A secondary battery with high capacity and a high level of safety is provided. The battery includes a positive electrode including a positive electrode active material and a conductive material. The positive electrode active material contains cobalt, oxygen, magnesium, and nickel. A median diameter of the positive electrode active material is greater than or equal to 1 μm and less than or equal to 12 μm. In EDX line analysis in a depth direction on a region of the positive electrode active material having a plane other than a (001) plane, a distribution of the magnesium partly overlaps with a distribution of the nickel. The conductive material adheres to part of the plane other than the (001) plane of the positive electrode active material.
Resumen de: US20260074205A1
A negative electrode structure for a secondary battery (10) includes: a body (12) that is in a form of a foil or a thin plate and contains zinc as a base material; and a non-electron conductive film (11) provided on at least a first surface of the body (12). The film (11) is stretchable. The film (11) includes: an opening portion (13) formed to expose a portion of a first surface of the body (12); and an electrode reaction inhibiting portion (14) that surrounds the opening portion (13) and inhibits an electrode reaction in the body (12). The film (11) is attached to the body (12) in a liquid-tight manner.
Resumen de: US20260074234A1
Examples of the disclosure include a composite substrate for a rechargeable lithium battery that includes a support layer including a polymer film, and a metal layer disposed on the support layer and including at least one of copper and copper oxide. The metal layer includes a first metal layer on a surface of the support layer and including an adhesion enhancer and a first copper, and a second metal layer on the first metal layer and including a second copper. The adhesion enhancer includes a first moiety chemically bonded to the surface of the support layer and including a hydroxyalkylene group, and a second moiety including an amine group configured to adsorb the first copper.
Resumen de: US20260074385A1
A pole, a cover plate assembly and a battery cell are provided. The pole includes a first metal part and a second metal part. The first metal part defines a first concave portion and a first convex portion, and the first convex portion protrudes from an opening of the first concave portion along a direction away from the first concave portion. The second metal part includes a terminal and a second convex portion. The second convex portion protrudes outward from the terminal, and a side of the terminal close to the second convex portion is provided with a second concave portion. The first convex portion is embedded in the second concave portion, and the second convex portion is embedded in the first concave portion.
Resumen de: US20260074349A1
An electric energy storage device which includes four energy units with a substantially same voltage value is provided. Each energy unit is provided with a positive electrode and a negative electrode. The electric energy storage device comprises a socket with eight independently arranged electrode terminals that are connected with the four energy units. The disclosure also provides an electric tool system using the electric energy storage device. The electric tool is provided with plugs that may be connected with the four energy units in different states, allowing the electric energy storage device to output multiple voltages.
Resumen de: US20260074379A1
The present application discloses a connecting terminal for acquisition wire harness, a battery module, and a power-consuming device. The connecting terminal for acquisition wire harness includes an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and the acquisition wire harness are pressed and fixed. The busbar connecting portion is clampable to an accommodating portion preset on a busbar.
Resumen de: US20260074374A1
The disclosure provides a battery, including a first electrode plate and a separator, the first electrode plate including a first current collector and a first coating located on a surface of the first current collector. The first coating is connected to the separator, and a surface of the first coating is provided with a recess, and an air permeability S of the separator and a width L of the recess satisfy: 5000 μm·sec/100 cc≤S×L≤75,000 μm·sec/100 cc, where S is in sec/100 cc and L is in μm. The disclosure can improve the rate capability of the battery while reducing the voltage drop of the battery and reducing the risk of short circuit.
Resumen de: US20260074539A1
A battery control device includes: a first battery control unit configured to control an electrical connection between an external load and a first battery module, the first battery control unit including: a first switch connected between a positive terminal for the first battery module and the external load; a second switch connected between a negative terminal for the first battery module and the external load; and a first controller configured to control an open/closed state of the first and second switches. The first controller may be configured to detect a short-circuit between the external load and the first battery control unit, according to a voltage between both ends of the first switch detected with the first switch open and the second switch closed.
Resumen de: US20260074209A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide; and an electrically conductive material at least partially coating a surface of the particle. A surface coverage of the particle by the electrically conductive material is 30% or more. The vanadium oxide composite has an average particle size of 0.5 μm or more and 5.0 μm or less.
Resumen de: US20260074203A1
A lithium-metal secondary battery, which includes a highly reduction-resistant electrolytic solution, including 2 to 6 mol of electrolyte per L of solvent and also having a lithium deposition dissolution efficiency of 98.5% or more, which lithium deposition dissolution efficiency is the proportion of the amount of redissolution of lithium to the amount thereof deposited on the copper surface, wherein the relative density of a lithium metal layer in a negative electrode is 40 to 85%. In addition, a lithium-metal secondary battery, which includes a highly oxidation-resistant electrolytic solution, including 2 to 6 mol of electrolyte per L of solvent and also having a voltage of 5.5 V or more when the current density is 0.4 mA/cm2 using lithium as a counter electrode and platinum as a working electrode, wherein the relative density of a lithium metal layer in a negative electrode is 70 to 95%.
Resumen de: US20260074194A1
Provided are a negative electrode active material which includes negative electrode active material particles which includes a silicon oxide (SiOx, 0
Resumen de: US20260074233A1
Electrodes for an electrochemical storage cell, including a conductor foil including an application zone for an electrode coating, the application zone including an outer region and a central region, are provided. The outer region of the application zone lies closer to an outer edge of the conductor foil than the central region. The application zone, in the outer region, has at least one electrolyte conduction region in which the diffusion rate of an electrolyte of the electrochemical storage cell is higher than in the application zone outside the electrolyte conduction region. Electrochemical storage cells including at least one electrode are further provided. Processes for producing an electrode for an electrochemical storage cell are further provided.
Resumen de: US20260074353A1
Examples of the disclosure include a spacer including a polymer matrix, and an endothermic flame retardant dispersed in the polymer matrix. The polymer matrix includes a fiberized polymer, and the endothermic flame retardant is included in a content in a range of about 60 wt % to about 98 wt % with respect to a total weight of the spacer.
Nº publicación: US20260074368A1 12/03/2026
Solicitante:
DARAMIC LLC [US]
Daramic, LLC
Resumen de: US20260074368A1
Improved battery separators, batteries, and systems, as well as methods relating thereto are disclosed herein for use in various lead acid batteries such as valve-regulated lead acid (VRLA) batteries that include one or more AGM layers. The improved battery separators described herein may provide a battery system with an advantage of a significantly decreased acid filling time and a significantly increased acid filling speed. Various improved batteries, methods and systems are described herein using such improved battery separators that increase acid filling speed and decrease acid filling time for a VRLA battery.
BOPI
Sede Electrónica
