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1468
results.
Updated on
02/04/2026 [07:26:00]
Results 1300 to 1325 of 1468
Absstract of: WO2026057252A1
The invention relates to a thermal control device (1), in particular for cooling, for an electrical component (100) capable of releasing heat, the device comprising an upper plate (2), an intermediate plate (3) and a lower plate (4), the intermediate plate (3) being assembled by being interposed between the upper plate (2) and the lower plate (4), in order to together form a plurality of circulation channels (5) for a heat-transfer fluid, the channels (5) extending between a fluid inlet zone and a fluid outlet zone, in which thermal control device the intermediate plate (3) comprises a plurality of bars (10) which each have a perimeter at least partially delimiting at least one of the channels (5), and two bars (10) on either side of the channel (5) are connected together by at least one bridge of material (20) which extends locally across the channel (5) between these bars (10).
Absstract of: WO2026057533A1
The present invention provides a rechargeable energy storage cell (1), in which a degassing port (12) is forming part of the anode (2) when the cell (1) is in use. Further, a corresponding manufacturing method is provided.
Absstract of: WO2026055932A1
The present application relates to the technical field of positive electrode materials of batteries, and provides a lithium iron borate phosphate positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The chemical general formula of the lithium iron borate phosphate positive electrode material is LixFeTiyPzBwO(4z+3w+2y)/C, wherein x, y, z, and w are all non-zero positive numbers, 1.02≤x≤1.05, 0.01≤y≤0.05, 0.92≤z≤0.95, and 0.05≤w≤0.15, and on the basis of the mass of the lithium iron borate phosphate positive electrode material being 100%, the mass content of C is 1.00% to 1.35%. The lithium iron borate phosphate positive electrode material provided by the present application has a low price, excellent ionic conductivity, high capacity, excellent rate performance, and improved cycling stability, and thus has wide prospects for application.
Absstract of: WO2026057309A1
The invention relates to an automatic method for estimating the variation in entropy of a cell of a battery, this method comprising: - a calibration phase (130) comprising: • a step (132) of reading, for different charge states of the cell, values of the charge state of the cell, the internal temperature of the cell and the intensity of the current that passes through the cell and/or the voltage between the terminals of the cell, and • determining (134), on the basis of the readings taken, coefficients βj of a polynomial model that links a value ΔSk2 of the variation in entropy at a time k2 to a value SOCk2 of the charge state of the cell at this time k2, and - during an operating phase, estimating (116) the value ΔSk2 of the variation in entropy of the cell using the polynomial model.
Absstract of: WO2026057782A1
The present disclosure relates to a method and corresponding apparatus for drying an electrode sheet which comprises three stages that sequentially remove solvent from a film layer, a first stage using irradiation, a controlled stage using selective irradiation. The controlled stage may preferably be carried out via a second stage using heat, and a final stage using irradiation. The method achieves improved mechanical properties of the resultant dried films by taking the film layer from a liquid state through a semi-solid state to a dried film layer in a controlled manner.
Absstract of: WO2026057168A1
Provided is a thermal management complex, including a protective layer (30); and a heat barrier layer (20) provided on at least one surface of the protective layer (30), wherein the protective layer (30) includes a resin having a thermal expansion coefficient of 5 ppm/°C to 50 ppm/°C in a temperature range of 100°C to 200°C, the surface, provided with the heat barrier layer (20), of the protective layer (30) is modified, and the heat barrier layer (20) includes a silicone-based resin matrix.
Absstract of: WO2026058025A1
when Electric Vehicle are "Ultra Fast charged" or in case it needs extreme Power output, the drive Battery will heat up significantly. if the heat cannot be removed quickly enough, the heat can lead to degradation of Battery performance and potential risk of thermal Runaway. Furthermore At cold wheather under 0C degrees most lithium battery cells cannot be fast charged, risk of lithium (Li) plating and Battery in shortage range. The present Invention is plurality of Battery Cells Casing together with Liquid Channels constructed and integrated into Battery Module Housing or into Battery Pack Housing. This innovative solution enhance Liquid cooling and Heating of Battery Cells efficiently at optimal condition.
Absstract of: EP4712178A1
Ein elektrochemisches Energiespeicherelement (12) weist einen hohlzylindrisch geformten Wickelverbundkörper (10) auf, der eine spiralförmige Struktur aus mindestens zwei spiralförmig um eine Wickelachse gewickelten Elektrodenbändern (14, 24) und mindestens einem zwischen den Elektrodenbändern (14, 24) angeordneten Separatorband (38, 40) aufweist. Der hohlzylindrisch geformte Wickelverbundkörper (10) umfasst zwei endständige Stirnseiten (34, 36), eine umlaufende äußere Verbundkörpermantelfläche (42), und einen axial ausgerichteten Hohlraum (46) im Zentrum des Verbundkörpers (10), in dem ein elektrisch leitender Wickelkern (50) angeordnet ist. Der Wickelverbundkörper (10) ist in einem zylindrischen Gehäuse (60) mit einem Boden (61) und einem Deckel (62) angeordnet, derart, dass die Stirnseiten (34, 36) in Richtung des Bodens (61) und des Deckels (62) weisen. Das Energiespeicherelement (12) umfasst weiter elektrisch leitende Kontaktelemente (70, 80), die flach auf den Stirnseiten (34, 36) aufliegen.Es wird vorgeschlagen, dass der Wickelkern (50) derart ausgebildet und/oder angeordnet ist, dass er bei axialer Deformation des Gehäuses (60) das erste elektrisch leitendes Kontaktelement (70) und das zweite elektrisch leitende Kontaktelement (80) elektrisch verbindet.
Absstract of: WO2025010459A1
The invention relates to a method (100), a computer program product, a control system (10) and a battery charging system (90) for determining a charging current limit for a charging process of a rechargeable battery device (1000). In this case, measurement parameters (MP) are recorded at the battery device (1000). Furthermore, battery parameters (BP) are determined by means of a process physics-based battery model on the basis of the recorded measurement parameters (MP). Furthermore, prediction parameters (VP) for the onset of metal plating at an electrode (1001, 1002) of the battery device (1000) are determined with the aid of a prediction model, in particular a data-driven prediction model, wherein at least one forecast onset time of metal plating is determined as prediction parameter(s) (VP) on the basis of at least the battery parameters (BP) as input parameters of the prediction model. Control parameters (KP) for controlling the charging process are determined with the aid of a control model, which is likewise in particular a data-driven control model, wherein on the basis of the measurement parameters (MP), the battery parameters (BP) and the prediction parameters (VP), the charging current limit is determined as the at least one control parameter (KP) and the determined charging current limit for specifying the charging current is output to a battery charging system (90).
Absstract of: WO2024230864A1
The invention relates to a device (1) for checking the tightness of electrochemical cells (2), in particular with regard to H2 tightness. The device has a chamber (3) for accommodating and checking at least one electrochemical cell (2). For the purpose of the check, the chamber (3) is subjected to a vacuum. A unit (6) for gas supply is provided, which supplies an electrochemical cell (2) to be checked with compressed air, as a result of which the interior of the electrochemical cell (2) is pressurized. This is made possible particularly advantageously in that the pressure difference between the interior of the cell (2) having the excess pressure and the chamber (3) having the vacuum is particularly high and is additionally varied periodically. As a result, there is a particular incentive for a periodically varying gas transfer between the interior of the cell (2) and the chamber (3) under vacuum, which allows for the tightness to be checked particularly advantageously and meaningfully. The pressure sensor (7) allows for a periodic pressure increase in the chamber (3) to be detected and to be analyzed by means of the control unit (8), and for meaningful information regarding insufficient tightness to be obtained, without interference by non-periodic interfering effects, and made available to the user. The device according to the invention can detect very minor leaks, which for example lead to leakage rates in the range of 10-4 mbar per liter of the volume and per second, and a
Absstract of: EP4712198A1
A lead-acid battery 1 includes: a battery case 10; electrode plates 30A and 30B housed in the battery case 10; an electrolyte solution U housed in the battery case 10; and a vent plug 70 attached to the battery case 10, in which the vent plug 70 includes a tubular plug body 71, a splash guard 90 positioned inside the plug body, and a plurality of catalytic devices 100A, 100B, that promote reaction generating water from gas produced by charge-discharge reaction. Each of the plurality of catalytic devices 100A, 100B include a tubular case 110 with an open front surface, a catalyst layer 120 housed in the case 110, and a permeable membrane 130 covering a front surface of the catalyst layer and allowing gas to pass through. Each of the plurality of catalytic devices 100A, 100B are arranged vertically or inclined with respect to the plug body 71 so that a front surface provided with the permeable membrane 130 has an angle with respect to a horizontal direction. In an up-down direction, either all or at least a part of the plurality of catalytic devices 100A, 100B is arranged at the same height.
Absstract of: CN121100283A
The present invention relates to a battery charge level detection module (1) comprising: an ammeter (10) comprising a magnetometer (15) and a current measurement device (18), a voltmeter (20) comprising a first contact terminal (22), a second contact terminal (24) and a voltage measurement device (28), a temperature sensor (30) comprising a temperature sensor (30), a housing (50), a first attachment (52) and a second attachment (52), the invention relates to a magnetometer (10) comprising a housing (50) intended to be attached to a first interconnection line row (82) and a second interconnection line row (84), the housing (50) having a housing (58) housing a magnetometer (15), the housing (52) being intended to be received in a measurement aperture (83) of the first interconnection line row (82), a first attachment (52) for attaching the housing (50) to the first interconnection line row (82), and a second attachment (52) for attaching the housing (50) to the second interconnection line row (84). And a second attachment (54) for attaching the housing (50) to a second interconnection line row (84).
Absstract of: EP4712170A1
Provided are a negative electrode material and a preparation method therefor, a negative electrode plate and a preparation method therefor, an energy storage device, and an electricity-consumption device. The negative electrode material includes hard carbon. The hard carbon has a porous structure and satisfies: 0.32≤Dv50/1000V≤2.40. Dv50 of the hard carbon is in unit of µm; and V represents a total volume of pores in the hard carbon, in unit of cm<3>/g.
Absstract of: CN121152578A
An aerosol-generating device (100) for releasably holding a battery cell (110) comprises: an identification module (112) configured to obtain identification information of the battery cell when the battery cell is releasably held in the device; and a controller (108) configured to control a function of the aerosol-generating device based on the received identification information, where the identification module operates using a wireless communication protocol. The battery cell may be provided with an RFID tag or NFC tag (118).
Absstract of: EP4712208A1
The present invention relates to recycling of used batteries, and more specifically, to a method for recovering main materials in used batteries through chemical discharge.
Absstract of: CN121127973A
The invention relates to a method for producing an electrode mixture consisting of a plurality of substances, i.e. An active material in a mass ratio w1, optionally an additive in a mass ratio w2 and a binder in a mass ratio w3, where w1 and w3 are both gt; 0%, w2 > = 0%, and w1, w2 and w3 are lt, respectively; the percentage is 100%; the method comprises the following steps: 1) filling a container with an active material and a first percentage pa1 of an additive and/or a first percentage pb1 of a binder, in which, but or, A) a first mechanical power P1 is introduced into the substance contained in the container by means of a shear force or impact force, and a second mechanical power P2 is introduced into the substance contained in the container by means of a second shear force or impact force; 2) filling the container with a second percentage pa2 of an additive and/or a further percentage pb2 of a binder, and wherein, B) during a second time interval T2, by means of a shear or impact force, a second mechanical power P2 is introduced into the substance contained in the container to produce a second mixture, where P2gt; the method is characterized in that the method comprises the following steps: (1) adding a binder and optional additives to the container, (2) adding the binder to the container, (3) adding the binder to the container, (3) adding the binder to the container, (3) adding the binder to the container, (3) adding the binder to the container, (4) adding the binder
Absstract of: CN121079603A
The invention relates to a method and a measuring device for diagnosing a component to be examined, comprising the following steps: operating the component (10) to be examined in a circuit (11) at a predefined operating point for a predefined first measurement interval (12); during the first measurement interval, a measurement signal and an excitation signal (13) are detected in the circuit as a function of time, the excitation signal being a signal of a passive component (14) in the circuit, which passive component is in a predetermined first excitation state (15) at the beginning of the first measurement interval, and the passive component is in a predetermined second excitation state (15) at the beginning of the first measurement interval. And the measurement signal is formed by superposing an excitation signal of the passive device and a working signal of the component to be inspected.
Absstract of: EP4712713A1
Provided is an integrally molded body that has a blocking layer for cutting off radio waves and magnetic waves. This integrally molded body comprises a fiber-reinforced resin layer containing reinforcing fibers and a first matrix resin, and a blocking layer, wherein the blocking layer contains an aggregate of metal strips and a second matrix resin, and blocks at least one of an electric field or a magnetic field, the metal strips being dispersed in the surface of the blocking layer to form the aggregate.
Absstract of: WO2024231100A1
The invention relates to a distress beacon (2) comprising an electric cell assembly (10) comprising two protected electric cells (100) connected in series, each comprising an electric cell (110) having two terminals, a positive and negative electric line (111, 112) respectively connected to the terminals of the electric cell (110), a diode (120) arranged in parallel to the electric cell (110) with its anode connected to the negative electric line (112) and its cathode connected to the positive electric line (111), and an electric fuse (130) arranged in series to the electric cell (110), the electric cells (110) being configured to deliver a nominal current when discharging, the electric fuse (130) having a breaking capacity corresponding substantially to the nominal current, so that, when discharged, the electric cells (110) are each protected from a polarity reversal caused by a forced current driven through it by the other protected electric cell.
Absstract of: CN121079221A
A solution for charging an electrical energy store, such as a traction battery in an electric vehicle, is disclosed. To this end, it is proposed that an AC voltage having a predetermined amplitude and frequency is superimposed on a DC voltage provided for charging the electrical energy store. In this case, the AC voltage can be adapted with respect to the impedance of the electrical energy store according to the characteristics of the electrical energy store to be charged.
Absstract of: EP4712166A1
A low-oxygen-vacancy and high-performance lithium manganate positive electrode material. The oxygen vacancy amount thereof is in the range of 10-10,000 ppm after the lithium manganate positive electrode material is characterized by means of an electron paramagnetic resonance spectrum. A preparation method for the positive electrode material comprises the following steps: mixing an Li source compound, an Mn source compound and a compound containing a fluxing agent element, and performing primary calcination in an air atmosphere; and mixing the primary calcination product with a monovalent metal ion compound, performing secondary calcination in an air atmosphere at a temperature lower than that of the primary calcination, and cooling and crushing same to obtain the product. The oxygen vacancy amount of the obtained high-performance lithium manganate positive electrode material is reduced to 1080 ppm, and the Mn dissolution amount is reduced to 23 ppm, such that the high-temperature cycle performance and storage performance are greatly improved, and the product can be well used in the power terminal field of passenger vehicles, electric bicycles, electric tools, etc.
Absstract of: EP4712160A1
A positive electrode plate, a preparation method thereof, a secondary battery, and an electric apparatus are provided. The positive electrode plate includes a current collector and a positive electrode film layer disposed on at least one side of the current collector, where the positive electrode film layer includes a positive electrode active material, and the positive electrode active material includes a substrate and a carbon coating layer disposed on a surface of the substrate. The substrate has a general formula LizFexMn(1-x-y)MyPO4, where 1≤z≤1.1; 0.5≤x≤1; 0≤y≤0.1; and M is at least one selected from Ti, V, and Mg. At least a portion of the positive electrode active material includes primary particles, and a particle size distribution of primary particles having a primary particle size greater than 80 nm and less than or equal to 180 nm in the positive electrode active material is less than or equal to 10%; and there are no more than 15 primary particles having a primary particle size greater than 1500 nm in a region of (250±5) µm<2> in a cross section obtained by cutting an electrode plate prepared from the positive electrode active material. The primary particle size distribution concentration of the positive electrode active material in the positive electrode plate provided by this application is significantly improved, improving the cycling performance of batteries.
Absstract of: CN120957831A
The invention relates to a device (5) and a method for welding half-sheets (2, 3) to form a bipolar plate (1). The device comprises at least three tool parts, namely a lower tool part (6a) and a multi-part upper tool part (6b), in which half-sheets (2, 3) to be welded together can be inserted between the lower tool part (6a) and the multi-part upper tool part (6b). The multi-part upper tool part (6b) comprises a plurality of individual parts (7; the individual parts (7, 8) of the multi-part upper tool part (6a) can be arranged one after the other and only alternately above the lower tool part (6a), and wherein both at least one first opening (9) for introducing a pressurized gas and at least one second opening (10) for introducing a pressurized gas are formed in each of the individual parts (7, 8) of the multi-part upper tool part (6a). The half-sheets (2, 3) can be pressed against each other by means of a pressurized gas, and a second opening (10, 10 ') for introducing joining energy during the welding process for welding the half-sheets (2, 3), the second opening (10, 10') in the individual part (7, 8) of the multi-part upper tool part (6b) as viewed perpendicular to the plane of the half-sheets (2, 3), and the second opening (10, 10 ') being formed in the individual part (7, 8) of the multi-part upper tool part (6b), as viewed perpendicular to the plane of the half-sheets (2, 3). 10 ') are largely complementary to each other and overlap only in some areas, such that only a
Absstract of: WO2024233691A1
In one aspect, a roll-to-roll vacuum coating system is provided. The roll- to-roll vacuum coating system includes a substrate, a first evaporation assembly, and a kiss roller assembly. The kiss roller assembly includes a kiss roller with a thermal conductivity of less than or equal to 30W/m-K, a second evaporation assembly, and at least one retractable roller.
Nº publicación: EP4710381A1 18/03/2026
Applicant:
SAINT GOBAIN CERAMICS [US]
Saint-Gobain Ceramics & Plastics Inc
Absstract of: MX2025012873A
A solid electrolyte material may include a first solid electrolyte material overlying at least a portion of a second solid electrolyte material. The first solid electrolyte material may include M<sub>a</sub>Me<sub>f</sub>O<sub>b</sub>X<sub>c</sub>, wherein M comprises an alkali metal, X comprises a halogen, 0⿤f⿤1, (a/b)>3, c=a+(kÿf)-2b, k is a valence of Me, and Me comprises a metal different from M. The second solid electrolyte material may include a halide.
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