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1433
resultados
Última actualización
27/09/2024 [09:56:00]
Resultados 50 a 75 de 1433
Resumen de: US2024322269A1
A power system includes a battery module and a battery ECU. The battery module includes multiple battery stacks. Each of multiple battery stacks includes multiple battery cells, multiple detectors which independently detect physical values of the multiple battery cells, respectively, and multiple individual communicators which wirelessly output detection results of the multiple detectors. Each of the multiple individual communicators communicates a radio signal wirelessly to and from a general monitor. The multiple battery stacks and the general monitor are accommodated in a storage space in a housing having electromagnetic shielding performance. A shield is also accommodated in the storage space while facing a communication hole formed on the housing.
Resumen de: US2024322292A1
A battery pack includes: a plurality of battery cells in a plurality of columns, the battery cells in each of the columns being located along a column direction, and the battery cells in the columns adjacent to each other being located along a zigzag pattern in a row direction while alternately shifted forward and rearward in the column direction; a plurality of cooling pieces, each of the cooling pieces being located between the battery cells in the columns adjacent to each other, and extending in a meander shape along an outer circumference of the battery cells in the columns adjacent to each other; and a bus bar on a terminal surface of the battery cells to electrically connect the battery cells to each other in rows adjacent to each other, the terminal surface being a surface on which different first and second electrodes are exposed.
Resumen de: US2024322150A1
In general, according to one embodiment, a battery including a positive electrode, a negative electrode, and a water-containing electrolyte is provided. The negative electrode includes a negative electrode active material-containing layer that includes a Ti-containing oxide and a binder capable of containing water. Also, the battery satisfies the following expression (1):0.2≤Wbind/WH2O≤15(1)where Wbind denotes a content (% by weight) of the binder capable of containing water in the negative electrode active material-containing layer, and WH2O denotes a content (% by weight) of the water in the electrolyte.
Resumen de: US2024322250A1
A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes an electrolyte salt. The electrolyte salt includes at least one of a first imide anion represented by Formula (1) or a third imide anion represented by Formula (3).
Resumen de: US2024322300A1
The present invention relates to a thermal insulating mat (1) for insulating adjacent battery cells (2), in particular prismatic battery cells, in battery systems, comprising an elastically deformable base plate (7) made of a fiber-elastomer composite, wherein a defined number of ribs (8) are provided on both main surfaces of the base plate (7), extending parallel to one another and spaced apart from one another transversely over the main surfaces of the base plate (7), wherein the arrangement of ribs on the two main surfaces is surrounded by a bordering frame (10), and there is a gap (11) between the ribs (8) and the frame (10), wherein the fiber-elastomer composite of the base plate (7) is formed from an elastomer matrix with at least one intermediate layer of mineral fibers embedded therein, and wherein the thermally insulating mat at the same time is able to compensate for the change in volume of the battery cells inherent in the system as a result of the chemical ageing of the cell components and the cyclical expansion and contraction of the cells during charging and discharging.
Resumen de: US2024322145A1
A nickel-metal hydride battery of the present disclosure comprises:a positive electrode active material layer, a negative electrode active material layer, and an aqueous electrolyte, whereina negative electrode active material contained in the negative electrode active material layer is a hydrogen storage alloy having an AB2 main phase,the A site includes Ti, Zr, or a combination thereof, andthe B site includes Mn, Cr, Ni, Fe, or a combination thereof.
Resumen de: US2024322248A1
The invention belongs to the technical field of batteries, and discloses a phosphate-based flame-retardant electrolyte and a lithium-metal battery, and the phosphate-based flame-retardant electrolyte consists of a lithium salt, a phosphate solvent and a diluent. According to the invention, dimethyl (2-methoxyethoxy)methylphosphonate or diethyl (2-methoxyethoxy)methylphosphonate is used as a novel phosphate solvent, an electrolyte system with local high salt concentration is adopted, most phosphate solvent molecules are complexed with Li at the local high salt concentration by adjusting dosages of the lithium salt, the phosphate solvent and the diluent, so almost none of free solvent molecules exist, thus inhibiting irreversible decomposition of phosphate molecules on a surface of a l i-anode, and meanwhile, the flame retardancy of the phosphate solvent greatly improves the safety of the lithium-metal battery.
Resumen de: US2024322176A1
Provided is a binder composition for a non-aqueous secondary battery negative electrode capable of producing a slurry composition having suppressed foaming and forming a negative electrode mixed material layer having excellent resistance to peeling. The binder composition for a non-aqueous secondary battery negative electrode contains a particulate binder and water. The particulate binder includes a polymer including an ethylenically unsaturated carboxylic acid monomer unit, an aromatic vinyl monomer unit, and an aliphatic conjugated diene monomer unit. When a film of the particulate binder is formed, the film has a degree of swelling of insoluble content in tetrahydrofuran of 300 mass % to 1500 mass % and an amount of insoluble content in tetrahydrofuran of 85 mass % to 99 mass %. A ratio of viscosity at pH 8.0 relative to viscosity at pH 3.0 of the binder composition when set to a solid content concentration of 30 mass % is 1.5 to 200.
Resumen de: US2024322361A1
A battery pack includes: a case; a battery cell accommodated at an upper position in the case in a gravity direction; a gas outlet between the battery cell and the case at a lower position of the case and facing a vent portion of the battery cell; and a fireproof fire-extinguishing layer between the battery cell and the gas outlet.
Resumen de: US2024322371A1
A lithium metal battery including: an anode current collector; a cathode; and a separator between the anode current collector and the cathode, wherein the lithium metal battery may include an anode active material layer between the anode current collector and the separator or may not include (e.g., may exclude or be free of) the anode active material layer, and the separator may include a porous substrate and a ceramic coating layer disposed on at least one side of the porous substrate, wherein the ceramic coating layer may be placed so as to face the anode current collector, and pores in the porous substrate may contain a gel-type or kind polymer electrolyte.
Resumen de: US2024322363A1
The present disclosure relates to a battery module including: a battery cell stack in which a plurality of battery cells are stacked; and a pressure drop sheet on one side of the battery cell stack, in which the pressure drop sheet includes: a ventilation layer including ceramic fiber; and a sacrificial layer on at least one surface of the ventilation layer, the sacrificial layer is disposed in a direction facing the battery cell stack, and the pressure drop sheet exhibits gas permeability at a critical temperature.
Resumen de: US2024322336A1
A casing of a battery, a battery and an electricity-consuming apparatus are provided by the present application. The casing of the battery includes a first beam, a second beam and a connecting assembly. A surface of the first beam is provided with a groove. The second beam is arranged on a side of the first beam provided with the groove. The first beam and the second beam is configured to limit a space for accommodating a battery cell. The connecting assembly is configured to connect the first beam with the second beam. At least a portion of the connecting assembly is arranged inside the first beam and the second beam.
Resumen de: US2024322189A1
An electrode assembly includes a first electrode tab, a first electrode plate, a second electrode plate. The first electrode plate includes a first current collector and a first active substance layer. The first current collector includes a first section, a third section and a second section connected sequentially along a first direction. Along a second direction, the third section includes a first dissociative portion and a first connection portion connected sequentially. Along the first direction, one side of the first dissociative portion is dissociated from the first section, while the other side of the first dissociative portion is dissociated from the second section. The first dissociative portion has a first empty foil area without the first active substance layer on the surface. One side of the first empty foil area in a third direction is connected to the first electrode tab.
Resumen de: US2024322276A1
An inspection system includes a battery pack accommodating a vehicle battery, intake and exhaust ducts, a chloride-ion sensor disposed inside the pack and detecting a chloride ion, and a controller. The sensor includes first and second electrodes, a control electrode, and a reference electrode. A potential of the control electrode changes according to a voltage applied to the reference electrode and a chloride-ion concentration. An electric current between the first and second electrodes changes according to the potential. The controller includes a processor and a memory. The processor performs an inspection of corrosion of the pack based on a detection value of the sensor in a first state where the voltage is applied to the reference electrode, and inspects the sensor based on the detection value of the sensor in a second state where the voltage is applied directly to the control electrode without intervention of the reference electrode.
Resumen de: US2024322157A1
The present disclosure provides a bipolar lithium ion cathode including two different cathode active materials located in two different cathode layers, a bipolar lithium ion cell including such a cathode, a battery including such a cell, a battery module or pack including such a battery and a method of forming a bipolar lithium ion cathode.
Resumen de: US2024322290A1
A battery shell includes a shell body internally provided with an accommodating cavity. At least one face of a shell body facing and/or facing away from the accommodating cavity is provided with heat dissipation recesses, so that the face has a non-penetrating “skylight” structure. The heat dissipation recesses extend in a thickness direction of the shell body without penetrating the shell body. A plurality of heat dissipation recesses are provided in the at least one face of the shell body. All the heat dissipation recesses are arranged at intervals.
Resumen de: US2024322268A1
An energy storage apparatus 50 includes: a cell 62; positive and negative external terminals 51, 52; a current interruption device 53 disposed on a first line 55P that connects the cell and one of the external terminals; a resistor 54 for current measurement that is disposed on a second line 55N that connects the cell and the other of the external terminals; a discharge circuit 120 connected to the cell 62 and the current interruption device 53 in parallel; and a control device 130. The discharge circuit 120 includes a discharge resistor 121 and a discharge switch 123. The control device 130, in a state where the current interruption device 53 is controlled to take an open state, measures currents I1, I2 by the resistor 54 with respect to a state where the discharge switch 123 is in a closed position and a state where the discharge switch 123 is in an open position, and diagnoses a failure in the current interruption device 53 based on a difference ΔI between a current value I2 measured when the discharge switch 123 is in the closed position and a current value I1 measured when the discharge switch 123 is in the open position.
Resumen de: US2024322301A1
An electrochemical cell utilizes an air flow device that draws air through the cell from a scrubber that may be removed while the system is operating. The negative pressure generated by the air flow device allows ambient air to enter the cell housing when the scrubber is removed, thereby enabling continued operation without the scrubber. A moisture management system passes outflow air from the cell through a humidity exchange module that transfers moisture to the air inflow, thereby increasing the humidity of the air inflow. A recirculation feature comprising a valve allow a controller to recirculate at least a portion of the outflow air back into the inflow air. The system may comprise an inflow bypass conduit and valve that allows the humidified inflow air to pass into the cell inlet without passing through the scrubber. The scrubber may contain reversible or irreversible scrubber media.
Resumen de: US2024322149A1
A composite cathode active material, a method of preparing the same, a cathode including the same, and an all-solid secondary battery are provided. The composite cathode active material may include a core including a lithium-containing sulfide-based cathode active material; and a shell covering a surface of the core, wherein the shell may include at least one first metal oxide represented by formula MaOb (0
Resumen de: US2024322142A1
Provided are a secondary battery, a battery module, a battery pack and an electrical apparatus. The secondary battery includes a positive electrode plate and a non-aqueous electrolyte solution. A positive electrode active material includes an inner core and a shell cladding the inner core. The inner core includes Li1+xMn1−yAyP1−zRzO4. The shell includes a first cladding layer cladding the inner core and a second cladding layer cladding the first cladding layer. The first cladding layer includes pyrophosphate MP2O7 and phosphate XPO4. The second cladding layer includes carbon. The non-aqueous electrolyte solution includes a first additive. The first additive includes one or more compounds in a group consisting of a compound shown in Formula 1, a compound shown in Formula 2 and a compound shown in Formula 3. The rate performance, cycling performance and high temperature stability of a lithium manganese phosphate secondary battery are increased.
Resumen de: US2024322146A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the electrode, the negative electrode including a negative active material layer including a silicon (Si)-containing negative active material, and a binder, wherein the binder includes an acryl copolymer.
Resumen de: US2024322152A1
The aqueous secondary battery of the present disclosure comprises:a positive electrode active material layer, an aqueous electrolyte, and a negative electrode active material layer, whereinthe aqueous electrolyte contains an aqueous solvent and potassium polyphosphate which has two or more elemental phosphorus, and any one of potassium ion, proton, hydroxide ion, and polyphosphoric anion is a carrier ion,a positive electrode active material contained in the positive electrode active material layer has a monoclinic crystal structure represented by space group C2/m, is represented by composition formula MnO2·AxBy(H2O)z, and the A, B, and H2O are present in a space interposed between layers composed of Mn—O octahedrons,A is an alkali metal or alkali rare earth metal,B is an anion,0
Resumen de: DE102024202677A1
Es werden Batterieschneidevorrichtungen offenbart. In einer Implementierung kann eine Batterieschneidevorrichtung ein Gehäuse einer Sekundärbatterie in einer Längsrichtung, einer Dickenrichtung und einer Breitenrichtung schneiden. Die Batterieschneidevorrichtung enthält eine Spanneinheit (100, 200, 300), die die Sekundärbatterie fixiert, und eine Schneideeinheit (400), die die Sekundärbatterie schneidet.
Resumen de: DE102023128645A1
Ein Elektrolyt für eine elektrochemische Zelle, die Lithium-Ionen zyklisiert, enthält ein organisches Lösungsmittel, ein anorganisches Lithiumsalz und einen Zusatz, der eine chemische Verbindung mit einer Phosphor-, Sauerstoff- und Siliciumbindung (POS-Zusatz) enthält. Das organische Lösungsmittel enthält eine Mischung aus einem cyclischen und einem linearen Carbonat. Der POS-Zusatz enthält einen Trialkylsilylester aus mindestens einem der folgenden Stoffe: Phosphorsäure, Polyphosphorsäure, Phosphonsäure und phosphorige Säure. Die elektrochemische Zelle kann eine positive Elektrode umfassend ein elektroaktives Material auf Nickelbasis und eine negative Elektrode umfassend ein elektroaktives Material auf Siliciumbasis enthalten.
Nº publicación: DE102023202491A1 26/09/2024
Solicitante:
CONTINENTAL AUTOMOTIVE TECH GMBH [DE]
Continental Automotive Technologies GmbH
Resumen de: DE102023202491A1
Die Erfindung betrifft eine Batteriepolklemme (10), insbesondere für eine Fahrzeugbatterie in einem Fahrzeug, mit einem Klemmabschnitt (12), der einen im Wesentlichen zylindrischen Aufnahmeraum (14) für einen Batteriepol (16) der Fahrzeugbatterie in Umfangsrichtung (U) zumindest abschnittsweise umschließt, und mit zumindest einem am Innenumfang des Klammabschnitts (12) vorgesehen, in radialer Richtung, insbesondere plastisch, verformbaren Adapterelement (34), wobei das zumindest eine Adapterelement (34) eine im Wesentlichen zylindrische Anlagefläche für einen Batteriepol (16) bildet, wobei der Innenumfang der Anlagefläche kleiner ist als der Innenumfang des Klemmabschnitts (12).Die Erfindung betrifft des Weiteren ein Verfahren zur Herstellung eines solchen Batteriepolklemme (10).
BOPI
Sede Electrónica
