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1256
resultados
Última actualización
15/01/2025 [07:13:00]
Resumen de: WO2025008193A1
The invention relates to an energy storage system comprising multiple energy storage units and a control system having multiple first connection elements, wherein the energy storage units each have second connection elements which are or can be connected to the first connection elements, and wherein the energy storage units are designed in such a way that a different design and/or connection layout of the first connection elements can be recognized.
Resumen de: DE102024118141A1
Wiederverschließbare Führungsrohre werden zur Verwendung in Traktionsbatteriepacks bereitgestellt. Ein oder mehrere wiederverschließbare Führungsrohre können derart angeordnet sein, dass sich ein erster Abschnitt jedes Führungsrohrs innerhalb einer Einkapselungsbaugruppe des Traktionsbatteriepacks erstreckt und sich ein zweiter Abschnitt jedes Führungsrohrs außerhalb der Einkapselungsbaugruppe erstreckt. Jedes Führungsrohr kann zum Führen einer Messsonde einer Prüfvorrichtung direkt zu einem Hochspannungsmesspunkt, der sich innerhalb des Traktionsbatteriepacks befindet, bemessen und geformt sein. Die Prüfvorrichtung kann dann genutzt werden, um eine oder mehrere elektrische Eigenschaften zu messen, die dem Traktionsbatteriepack zugeordnet sind.
Resumen de: DE102023206381A1
Ein Verfahren zum Herstellen einer mindestens einen Vorsprung aufweisenden bleihaltigen Platte für eine Batterie weist die Schritte auf:a) Bereitstellen eines bleihaltigen Werkstücks,b) Bereitstellen eines ein Unterwerkzeug und ein Oberwerkzeug aufweisenden Werkzeugs, wobei das Unterwerkzeug und/oder das Oberwerkzeug zumindest eine Aussparung aufweist,c) Anordnen des Werkstücks zwischen dem Unterwerkzeug und dem Oberwerkzeug,d) Anordnen einer verformbaren Zwischenplatte zwischen dem Werkstück und dem Oberwerkzeug oder dem Unterwerkzeug,e) Anordnen einer ersten Leiste und mindestens einer zweiten Leiste zwischen der Zwischenplatte und dem Oberwerkzeug oder dem Unterwerkzeug auf einer dem Werkstück abgewandten Seite der Zwischenplatte,f) Durchführen einer Relativbewegung entlang einer ersten Richtung zwischen dem Oberwerkzeug und dem Unterwerkzeug, bei der ein Abstand zwischen dem Oberwerkzeug und dem Unterwerkzeug verringert wird, um über die Zwischenplatte, die erste Leiste und die mindestens eine zweite Leiste einen Druck auf das Werkstück auszuüben und dadurch eine Fließbewegung des Materials des Werkstücks in eine zweite Richtung, die senkrecht zu der ersten Richtung verläuft, zu bewirken, wobeiin Schritt e) die erste Leiste und die mindestens eine zweite Leiste entlang der zweiten Richtung beabstandet voneinander angeordnet werden, unddie Schritte e) und f) mehrmals wiederholt werden, um zu bewirken, dass zumindest ein Teil des Materials des Werkstücks in die
Resumen de: DE102023128667A1
Mechanisches Design einer wiederaufladbaren Batteriezelle (z. B. einer Lithium-Ionen-Batterie), die in einer prismatischen Dose angeordnet ist, zur Verwendung in Elektrofahrzeugen und anderen elektrisch betriebenen Geräten. Das verbesserte Design verwendet einen wärmeleitenden Einsatz, um die Batteriezelle in zwei benachbarte Volumina zu unterteilen, die jeweils ein Paar gestapelte Schichten einer Batteriezelle enthalten. Dieser wärmeleitende Einsatz leitet während des Aufladens der Batterie die Wärme aus der Mitte der Batteriezelle zu aktiv gekühlten Kanälen, die in einem Paar von Kühlverteilern angeordnet sind, die sich an zwei vertikalen Seiten der Batteriezelle befinden. Alternativ oder zusätzlich kann auch eine aktiv gekühlte untere Kühlplatte verwendet werden. Das Paar gestapelter Batterieschichten kann jeweils in einer geometrischen „Jelly-Roll“-Konfiguration gewickelt werden. Der wärmeleitende Einsatz kann aus Aluminium, einer Aluminiumlegierung, Kupfer, oder einer Kupferlegierung, sowie aus Kombinationen davon bestehen.
Resumen de: WO2025007339A1
The present invention relates to a method of storing batteries comprising the following steps: placing the batteries onto a storage tray (110), monitoring a surface temperature of the batteries by using a thermal imaging camera (130), detecting if the surface temperature of one of the batteries exceeds a predetermined threshold temperature, and, if the surface temperature of one of the batteries exceeds the predetermined threshold temperature, providing a cryogenic liquid flow as a coolant through a cryogenic liquid injector (120) onto at least the respective one of the batteries, the surface temperature of which exceeding said predetermined threshold temperature, and it relates to a corresponding storage device (100).
Resumen de: WO2025007384A1
Provided are a polymer electrolyte prepolymerization solution, a polymer electrolyte and an electrochemical device. The polymer electrolyte prepolymerization solution comprises a monomer and an electrolyte solution; the monomer forms a polymer molecular chain by means of free radical polymerization, and the polymer molecular chain is crosslinked to form a polymer electrolyte having a three-dimensional network structure; and the electrolyte solution comprises an organic solvent which has strong fluidity and can permeate into pores of an electrode, thereby promoting interface contact between the polymer electrolyte and the electrode, improving the interface wettability between the polymer electrolyte and the electrode, improving the ionic conductivity, promoting lithium ion transmission, and thus improving the electrochemical performance of batteries.
Resumen de: WO2025007591A1
Provided are a multi-way valve (10), a thermal management apparatus (20), an energy storage device, and a vehicle, relating to the technical field of energy, and solving the problems of complex structures and the like of current multi-way valves. The multi-way valve (10) can comprise a housing (11), at least two valve cores (12, 13), a transmission assembly (14), and a driver assembly (15); a cavity (111) is formed in the housing (11), and the at least two valve cores (12, 13) are rotatably arranged in the cavity (111) and are sequentially arranged in the axial direction; the transmission assembly (14) is connected to the at least two valve cores (12, 13), and the driver assembly (15) is arranged at a first end of the housing (11) and is connected to the transmission assembly (14); the driver assembly (15) is used for driving each valve core (12, 13) to rotate by means of the transmission assembly (14). The plurality of valve cores (12, 13) are sequentially arranged in the axial direction, so that the radial size of the multi-way valve (10) is not additionally increased, thereby realizing the miniaturization design of the multi-way valve (10); the driver assembly (15) can drive each valve core (12, 13) to rotate by means of the transmission assembly (14), thereby being capable of avoiding mutual interference between different valve cores (12, 13), and achieving good flexibility and reliability when a connection or disconnection state between different abutment openings (110a-
Resumen de: WO2025007599A1
Embodiments of the present application provide a winding needle, a winding apparatus, a battery manufacturing apparatus, and a winding method. The winding apparatus comprises a winding needle, a pair of first clamping needles, and at least one second clamping needle; the pair of first clamping needles are configured to move in the directions to be away from each other when the winding needle is pulled away from an electrode assembly, so as to open the electrode assembly; the second clamping needle is configured to support the upper half part of the electrode assembly in the process of the pair of first clamping needles opening the electrode assembly. The winding needle comprises a winding needle body; a pair of first grooves are formed on the outer circumferential surface of the winding needle body; the first grooves are used for accommodating the first clamping needles; the pair of first grooves are arranged at an interval in the circumferential direction of the winding needle body; at least one second groove is further formed on the outer circumferential surface of the winding needle body; the second groove is used for accommodating the second clamping needle; the second groove and the first grooves are arranged at intervals in the circumferential direction of the winding needle body. The technical solution provided by the present application can improve the reliability of a battery.
Resumen de: WO2025007492A1
A positive electrode sheet, a battery, and an electrical device. The positive electrode sheet comprises a positive current collector, a first positive electrode active material layer, and a second positive electrode active material layer, and the second positive electrode active material layer is located on the side of the first positive electrode active material layer facing away from the current collector; a first positive electrode active material comprises a polyanion positive electrode material containing an Mn element; the second positive electrode active material layer comprises a second positive electrode active material and a manganese ion adsorbent; and the second positive electrode active material comprises a layered ternary material. The Mn-containing polyanion positive electrode material is sandwiched between the current collector and the layered ternary material, and the manganese ion adsorbent is arranged in the second positive electrode active material layer, so that when Mn in the Mn-containing polyanion positive electrode material is dissolved out and diffuses outwards, the Mn necessarily passes through the second positive electrode active material layer, thereby limiting the diffusion of the Mn to the negative electrode.
Resumen de: WO2025007338A1
Embodiments of the present application relate to the technical field of batteries, and provide a battery management method and a battery pack. The battery pack comprises a battery module, a first sensor module, a main control module, and a second sensor module. The first sensor module is used for collecting information of vibration borne by the battery pack, and outputting a corresponding vibration signal; the main control module is used for determining, on the basis of the vibration signal, the intensity level of vibration borne by the battery pack; if the intensity level of vibration is a first level, the main control module is further used for starting a battery protection mechanism and acquiring battery cell state information of the battery module collected by the second sensor module; and when starting the battery protection mechanism, the main control module is further used for determining, on the basis of the battery cell state information and the vibration signal, whether to exit the battery protection mechanism. According to the present application, when the battery pack is subjected to strong vibration or collision, a safety protection mechanism is provided for the battery pack, thereby improving the safety of the battery pack.
Resumen de: AU2024278559A1
A mist generator device for delivering nicotine, the device comprising: a mist generator housing which is elongate and comprises an air inlet port and a mist outlet port; a liquid chamber provided within the mist generator housing, the liquid chamber containing a liquid to be atomised, the liquid including nicotine; a sonication chamber provided within the mist generator housing; a generally planar capillary element comprising an enlarged end, a first portion having a generally rectangular shape and a second portion having a partly circular shape, the capillary element extending between the liquid chamber and the sonication chamber such that the first portion of the capillary element is within the liquid chamber, the enlarged end sits in the liquid contained in the liquid chamber and the second portion of the capillary element is within the sonication chamber; an ultrasonic transducer having a generally planar atomisation surface which is provided within the sonication chamber, the ultrasonic transducer being mounted within the mist generator housing such that the plane of the atomisation surface is substantially parallel with a longitudinal length of the mist generator housing, wherein part of the second portion of the capillary element is superimposed on part of the atomisation surface, and wherein the ultrasonic transducer is configured to vibrate the atomisation surface to atomise the liquid carried by the second portion of the capillary element to generate a mist compris
Resumen de: WO2025007458A1
The present application discloses a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electrical device. The positive electrode active material comprises a sodium manganese oxide; the sodium manganese oxide comprises a first phase and a second phase; the first phase comprises first sodium ion layers and first transition metal layers which are sequentially alternated, and the second phase comprises second sodium ion layers and second transition metal layers which are sequentially alternated; and the interlayer spacing of the adjacent first transition metal layers in the first phase in a direction perpendicular to a crystal plane (001) is d1, and the interlayer spacing of the adjacent second transition metal layers in the direction perpendicular to the crystal plane (001) is d2, wherein d1-d2 ranges from 0.01 nm to 0.02 nm.
Resumen de: WO2025007483A1
The present application is applicable to the technical field of batteries, and provides a restraining structure (100) and a battery restraining apparatus (1000). The battery restraining apparatus (1000) comprises restraining structures (100); and each restraining structure (100) comprises a restraining frame (10), a cushion pad (20), and positioning columns (30). The restraining frame (10) is provided with positioning holes (101); the cushion pad (20) is arranged on the restraining frame (10); and the positioning columns (30) are arranged on the cushion pad (20) and are inserted and fitted into the positioning holes (101). The positioning holes (101) are formed in the restraining frame (10), and the positioning columns (30) inserted and fitted into the positioning holes (101) are provided on the cushion pad (20), so that the positioning of the cushion pad (20) on the restraining frame (10) can be achieved by inserting the positioning columns (30) into the positioning holes (101). In this way, the problem of misaligned assembly of the cushion pad (20) on the restraining frame (10) can be mitigated, thereby facilitating improving the restraining effect of the restraining structure (100) on a battery cell (2000).
Resumen de: WO2025007595A1
The present application discloses a polythiophene conductive polymer, a positive electrode slurry, a positive electrode sheet and a preparation method therefor, a battery cell, a battery, and an electric device. The polythiophene conductive polymer comprises a first structural unit shown in formula (1) and at least one of a second structural unit shown in formula (2), a third structural unit shown in formula (3) and a fourth structural unit shown in formula (4).
Resumen de: WO2025007455A1
Disclosed in the present invention are a powder-covered filter and a filtering system thereof. The powder-covered filter comprises: a device body mechanism, wherein the device body mechanism comprises a device tank body, a liquid inlet and a liquid outlet formed at the bottom of the device tank body, and an overflow port formed at the top of the device tank body; filter element mechanisms, wherein one end of each filter element mechanism is a connecting end capable of being connected to the device tank body, and the other end of the filter element mechanism is a stable end away from the connecting end; and quick-mounting mechanisms each comprising a communicating head provided on the connecting end, a positioning component provided on the communicating head, and an unlocking component slidably connected to the communicating head. The positioning component can enter the inner side of a communicating component; when the positioning component enters, the positioning component only needs to move in a first direction, so that the positioning component can be clamped and positioned with a clamping component, thereby achieving the effect of quickly mounting the filter element mechanisms on the inner side of the device tank body; by means of the unlocking component, unlocking between the clamping component and the positioning component can be finished, thereby being capable of quickly disassembling the filter element mechanisms from the device tank body in the process of disassemblin
Resumen de: WO2025007517A1
A winding device and a battery production line. The winding device comprises a winding drum (200) and an adhesive applying mechanism (100); a release layer (201) is provided on the surface of the winding drum (200); and the adhesive applying mechanism (100) is used for applying an adhesive layer (300) to the release layer (201). According to the winding device, the release layer (201) is provided on the surface of the winding drum (200), facilitating tearing off of the adhesive layer (300) on the surface of the winding drum (200), reducing the difficulty in cleaning the tailings and residual adhesive, shortening the adhesive cleaning time of the winding drum (200), and reducing the operation intensity of personnel; by configuring the adhesive applying mechanism (100) to apply the adhesive layer (300) to the release layer (201), instead of fixing a double-sided adhesive tape to electrode sheets to be wound, the adhesive applying mechanism (100) does not need to be provided with a complex double-sided adhesive tape winding and unwinding mechanism, so that the structure is simplified, and the size is reduced, achieving miniaturization of the adhesive applying mechanism (100); and application of the adhesive layer (300) can reduce the use cost, does not need frequent supplement and replacement, and achieves higher winding efficiency.
Resumen de: WO2025007495A1
A composite foil and the use thereof. The composite foil comprises a substrate layer and a conductive layer on at least one side surface of the substrate layer; and the composite foil is provided with a pore structure, wherein the diameter-to-depth ratio of pores satisfies 1/200≤D/H≤110, D being the diameter, and H being the depth. By means of providing the composite foil with the pore structure which has a specific diameter-to-depth ratio, the weight of the foil is reduced, the energy density is improved, and the elongation percentage and stripping force of the foil are also improved; by means of the improvement in the elongation percentage, stress concentration is avoided, and thus the safety performance of a battery is improved; moreover, by means of the provision of the pore structure, the risk of a separator being pierced through by lithium dendrites is reduced, and thus the safety performance of the battery is further improved.
Resumen de: WO2025007459A1
Disclosed are a single-layer edge-oxidized graphene and a preparation method therefor, which belong to the technical field of graphene materials. A single-layer graphene is used as a raw material and electrolyzed by applying an ultra-low-frequency alternating current with a low current density to prepare the single-layer edge-oxidized graphene. The number of oxygen free radicals generated from an electrolyte is regulated and controlled by adjusting the current intensity and frequency of the applied alternating current, a small number of oxygen free radicals are reacted at the sites having more active binding energy of the edge of the single-layer graphene, and the low current intensity and the short current time result in insufficient invasion of generated oxygen radicals into the plane of the single-layer graphene, thereby constructing the single-layer edge-oxidized graphene. The polarity of the prepared single-layer edge-oxidized graphene is increased on the basis of retaining the excellent physical and chemical properties of graphene, thereby greatly improving the dispersing capability of the graphene in polar solvents.
Resumen de: WO2025007527A1
A method for preparing lithium iron phosphate from iron hydroxyl phosphate. The method comprises: purifying ferrous sulfate to form a ferrous sulfate solution, adding hydrogen peroxide, phosphoric acid, an ammonium dihydrogen phosphate solution and ammonia water to the ferrous sulfate solution, reacting same to form a mixed slurry, maintaining the temperature of the mixed slurry for a period of time, and then subjecting same to washing with water and filter pressing, so as to form iron hydroxyl phosphate precursors having different iron-phosphorus ratios; performing flash drying and high-temperature sintering, and crushing same to obtain iron hydroxyl phosphate precursors having different iron-phosphorus ratios and different specific surface areas; crushing and mixing the iron hydroxyl phosphate precursors to obtain finished iron hydroxyl phosphate products, mixing iron hydroxyl phosphate having a high iron-phosphorus ratio with iron hydroxyl phosphate having a low iron-phosphorus ratio at a certain ratio, proportioning the resulting mixture, a lithium source and an iron source at a certain ratio, and adding a carbon source and an additive thereto to form a mixture; and subjecting the mixture to the working procedures of ball milling, sanding, spray drying, sintering, crushing, screening, blending, packaging, etc., so as to obtain a finished lithium iron phosphate product.
Resumen de: WO2025007470A1
Disclosed in the present invention are an all-in-one hot-pressing and formation machine and a use method therefor. The all-in-one hot-pressing and formation machine comprises: a pressing plate assembly, a battery cell inspection assembly, a heating assembly, a power system, and a power supply assembly, wherein the pressing plate assembly comprises a mounting frame, and a supporting plate and a plurality of pressing plates used for holding a battery cell; the battery cell inspection assembly is used for determining the state of placement of the battery cell in the supporting plate; the heating assembly is used for heating the battery cell held in the supporting plate; the power system uses a servo drive device to drive a pushing plate to move closer to or away from a stop plate, so as to drive the plurality of pressing plates to approach each other for pressing or to drive same to move away from each other for battery cell removal; and the power supply assembly is used for supplying power to the all-in-one hot-pressing and formation machine. When using the servo drive device to drive the pushing plates to press battery cells having different thicknesses, the present invention ensures the pressing accuracy, pressing efficiency, and pressing stability of the power system in the all-in-one hot-pressing and formation machine; a second gear assembly in a gear device enables the distance between guide rods to be adjusted, thus adapting to the formation of battery cells having differ
Resumen de: AU2024278341A1
Abstract A reaction chamber for generating hydrogen gas using a hydrogen liquid carrier line may include a channel including a catalyst for causing the hydrogen gas to be produced from a hydrogen liquid carrier, the channel including an inlet end for the hydrogen liquid carrier and an outlet 5 end for a spent carrier. The reaction chamber may also include a valve for controlling a rate of flow of the hydrogen liquid carrier flowing through the channel; a gas outlet for evacuating the hydrogen gas generated in the channel; and at least one processor configured to receive at least one indicator of a demand for the hydrogen gas and to control the valve to adjust the rate of flow of the hydrogen liquid carrier to meet the demand for the hydrogen gas.
Resumen de: AU2024278371A1
A multi-stage energy storage fire-fighting system is provided according to the present application, which relates to the technical field of energy storage, the multi-stage energy storage fire-fighting system comprises a fire detection device, which is arranged in the battery compartment of an energy storage station; a first-stage fire extinguishing device, which is suitable for spraying gaseous fire extinguishing agent into the battery compartment; a second-stage fire extinguishing device, which is suitable for spraying water mist into the battery compartment; and a starting device, which is connected with the first-stage fire extinguishing device and the second-stage fire extinguishing device respectively, the starting device is configured to operate at least one of the first-stage fire extinguishing device and the second-stage fire extinguishing device. The multi-stage energy storage fire-fighting system of the present application has the characteristics of hierarchical control and continuous strengthening of fire-fighting means, which can effectively prevent and control the fire in battery compartment.
Resumen de: AU2023302751A1
This economic feasibility estimation device derives approximate curves of an initial open terminal voltage function and an initial impedance function, sets a prior-estimation function, and measures charge/discharge voltages and charge/discharge currents. A state estimation unit uses a Kalman filter to estimate state parameters including an SOC value, a polarization voltage, and internal impedance. An estimation error between the prior-estimation voltage and an actual measurement voltage is obtained by using the state parameters, and a posterior estimation value is obtained with a correction equation formed by a Gaussian function having terms of a learning rate and a correction width that are set for the calculated estimation error and current values. The prior estimation function is corrected on the basis of the posterior estimation value, a new prior estimation function is set, and the charge/discharge curve is estimated. An economic feasibility index is estimated on the basis of charge/discharge power amounts of a secondary battery, which are estimated from the charge/discharge curve.
Resumen de: AU2023301653A1
An interlayer for a lithium sulfur battery is provided. The interlayer is produced from an elastic polyelectrolyte liquid (EPL) and a two dimensional conducting material, such as graphene oxide. The EPL is produced from polyphenol, cationic polymer and facilitated ion transport protein. The interlayers are characterised by ion selective transport behaviour and electrocatalytic properties, and separator substrates coated with the interlayer may be usefully incorporated into lithium sulfur batteries.
Nº publicación: AU2023286186A1 09/01/2025
Solicitante:
MONASH UNIV
MONASH UNIVERSITY
Resumen de: AU2023286186A1
Sulfur cathodes which include cellulosic compositions containing a plurality of anionically functionalised cellulose nanofibres are described. The anionically functionalised cellulose nanofibres are highly charged and have a low aspect ratio. The sulfur cathodes possess low porosity, high surface smoothness and facilitate the transport of Li ions while hindering the transport of polysulfide anions. Batteries employing the sulfur cathodes have high gravimetric and volumetric density.
BOPI
Sede Electrónica
