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1563
resultados
Última actualización
19/12/2025 [07:14:00]
Resultados 825 a 850 de 1563
Resumen de: EP4661203A1
Disclosed is a battery pack, and a vehicle including the same. The battery pack includes a plurality of battery modules in each of which a plurality of battery cells are stacked; a pack case in which the plurality of battery modules are accommodated; and a fireproof cover configured to cover a plurality of bus bars, which electrically connect the plurality of battery modules, to prevent an abnormal phenomenon of the bus bars when a thermal event occurs.
Resumen de: CN120603989A
The invention relates to a re-lithiated lithium intercalation material for producing lithium metal or for pre-lithiating an electrode material, and to an anode and a production cell comprising such a material. The invention also relates to a method for producing lithium metal and for pre-lithiating an electrode material. The method comprises performing an electrolytic reaction for producing lithium in the electrolytic cell, wherein the electrolytic cell comprises the re-lithiated lithium intercalation material as an anode, a current collector as a cathode, and an electrolyte comprising a lithium salt.
Resumen de: EP4660373A1
The system for deicing black ice includes a plurality of laser scanners that are arranged at intervals along a road, each laser scanner including a light source unit, a non-contact temperature sensor, and a control unit that controls an operation of radiating the laser to the area in charge, a weather sensor that measures a temperature and humidity, and an integrated controller that communicates with the plurality of laser scanners. The integrated controller determines whether the laser is radiated to the road surface based on at least one of the measured temperature and humidity, and when the laser radiation is determined, generates a control signal to activate at least one laser scanner, and the control unit determines a heating area, and generates a pulse signal to turn on/off a light source unit so that the laser is radiated in accordance with a shape and range of the heating area.
Resumen de: EP4661144A1
One or more markers (15, 16) are produced on at least one of the tabs (4, 7) of the electrodes (2, 5) which form the basic components of the battery. The electrodes include at least one pair of a first electrode (2) and a second electrode (5), each having a coated foil portion (3, 6) and a non-coated tab (4, 7). The markers can be indicative of technical and/or reference information related to the electrode to which the marked tab is attached, or of information regarding required manipulations of the electrode to which the marked tab is attached, wherein the method includes reading a marker on the marked tab and performing a manipulation of the electrode based on information derived from said marker.
Resumen de: EP4661150A1
Die Erfindung betrifft eine Batterieüberwachungseinrichtung (36) für eine Batterie (10), wobei die Batterie (10) mehrere Batteriezellen (12) aufweist, wobei die Batterieüberwachungseinrichtung (36) zwischen benachbarten Batteriezellen (12) zumindest ein flächiges Messelement (38) aufweist, das derart zwischen zwei benachbarten Batteriezellen (12) angeordnet werden kann, dass das Messelement (38) eine Formänderung zumindest einer der Batteriezellen (12) erfassen kann, wobei das Messelement (38) eine Verformung, und/oder eine Kraft und/oder einen Druck, der auf das Messelement (38) wirkt, erfassen kann, und mit einer Auswerteschaltung (40), die mit dem zumindest einen Messelement (38) verbunden ist, wobei das Messelement (38) einen auf der erfassten Verformung, Kraft und/oder dem erfassten Druck basierenden Messwert oder ein Signal an die Auswerteschaltung (40) ausgeben kann, und die Auswerteschaltung (40) den zumindest einen Messwert oder das Signal mit einem Grenzwert für diesen Messwert oder das Signal vergleichen und bei Überschreiten zumindest eines Grenzwertes ein Fehlersignal ausgeben kann.Die Erfindung betrifft des Weiteren eine Batterie (10) mit einer solchen Batterieüberwachungseinrichtung (36)
Resumen de: EP4661119A1
A method of production of layered composite material packs for use as an electrode by a material bonding process, comprises:• stacking multiple material layers to be bonded on top of each other forming a pack (3),• assembling several packs (3) on top of each other for forming a stack (8), with placing inert interface plates between adjacent packs (3), such that each pack (3) in the stack (8) being separated by an inert interface plate,• placing inert interface plates on the top and the bottom of the stack (8),• placing the stack (8) in between a top (5) and a bottom (4) plate and connecting the top (5) and bottom (4) plates with constraining fixtures (6) for forming a rack (16), whereas the material of the constraining fixtures (6) is so chosen that thermal expansion coefficient of the constraining fixtures (6) is smaller than a value of thermal expansion for the total of the stack (8),• pressing towards each other the top plate (5) and the bottom plate (4) to apply an initial pressing force for bringing all material layers of each pack (3) into firm contact with each other,• placing the rack (16) into a furnace,• heating up the furnace to a bonding temperature for applying heat to the rack (16) with a heating rate between 0.1K/min and 35K/min and applying a connecting pressure due to the difference in thermal expansion coefficients of the stack (8) material and the constraining fixtures (6),• holding the bonding temperature for a predetermined holding time to
Resumen de: EP4660140A1
The present invention relates to a process to manufacture calcium sulfate comprising at least the step: c) reacting calcium chloride with sodium sulfate, whereby the sodium sulfate originates from inter alia from: batteries, or of cathode active material (CAM), or of precursor cathode active material (PCAM), or of the production of lithium, cobalt, manganese or nickel, and the use of sodium sulfate to produce sodium carbonate and/or sodium bicarbonate.
Resumen de: EP4660649A1
A method for inspection of one or more battery cells during manufacture, the method comprising: charging the one more battery cells; applying a pressure to the one or more battery cells; and determining whether at least one of the one or more battery cells is faulty based on an electric charging characteristic of the one or more battery cells in reaction to applying the pressure.
Resumen de: EP4661123A1
The present invention relates to a battery cell pressing jig for manufacturing a battery cell, the battery cell pressing jig comprising:a first pressure pad configured to apply a uniform mechanical pressure to a first main outer surface of a pouch-type battery cell in a direction essentially perpendicular to the first main outer surface;a second pressure pad configured to apply a uniform mechanical pressure to a second main outer surface of the pouch-type battery cell in a direction essentially perpendicular to the second main outer surface, the first and second main outer surfaces of the pouch-type battery cell being opposite each other;wherein the first and the second pressure pads are made of an elastic material. The invention further relates to a battery cell manufacturing system.
Resumen de: EP4661143A1
The battery comprises a stack formed of multiple stacked pairs of a first and a second electrode (2, 5) and further formed of separator sheets (8, 9) arranged between adjacent electrodes of the stack, each electrode comprising a coated metal foil portion (3, 6) and a non-coated metal tab (4, 7), wherein the first electrode tabs are superposed and interconnected in a first tab stack and the second electrode tabs are superposed and interconnected in a second tab stack. The battery is characterized in that in at least one of the tab stacks, at least two of the stacked tabs have mutually different in- plane dimensions. The anode tabs (4a-4c) and/or the cathode tabs of the battery may for example be stacked in stepwise fashion starting from a larger tab (4a) at the bottom of the stack to a smaller tab (4c) at the top.
Resumen de: EP4661171A1
The disclosure relates to a battery cell lid assembly (20) for a battery cell of a vehicle. The battery cell lid assembly (20) comprises a carrier plate (24), a first protection wall (28), and a second protection wall (30). The carrier plate (24) comprises a first side (34), a second side (36), and a through hole (38) for a degassing vent (26). The through hole (38) extends from the first side (34) to the second side (36). The first protection wall (28) is mechanically connected to the first side (34) and covers the through hole (38). The second protection wall (30) is mechanically connected to the second side (36) and covers the through hole (38). The first protection wall (28) and the second protection wall (30) are arranged at a distance (A). Additionally, a battery cell for a vehicle is described. Furthermore, a filler material component for a battery cell lid assembly (20), a battery pack and a vehicle are shown. Also, a method for manufacturing a battery cell lid assembly (20) for a battery cell of a vehicle is described.
Resumen de: US2024264121A1
Systems, techniques, and computer-implemented processes for cycle life performance determination of batteries using non-invasive acoustic solutions. In one aspect, a battery inspection system includes a plurality of transducers, and a controller communicatively coupled to the plurality of transducers. The controller is configured to send one or more commands to a first subset of the plurality of transducers for transmitting acoustic signals through a battery cell, receive, from a second subset of the plurality of transducers, response signals in response to the acoustic signals transmitted through the battery cell, and determine a cycle life performance score for the battery cell based on at least the response signals, the score indicating an estimated number of charge-discharge cycles that the battery cell goes through prior to reaching a threshold retention capacity.
Resumen de: WO2024165544A1
The invention provides a cell contact-making unit (6) for a battery having a plurality of cells, wherein, in the assembled state, adjacent cells are electrically connected to one another via cell connectors (8) and a sensor cable set (12) is provided and has at least one sensor line (14) which, in order to measure the cell voltage, is electrically connected to the cell in a manner protected against overcurrent, wherein the sensor line (14) is electrically connected to a voltage tapping point via a bonding wire (64) and by means of bonding.
Resumen de: WO2024165543A2
The contact arrangement is used to make electrical contact with an electrical component, in particular of a motor vehicle, and has a contact element (24), to which a line (8) is connected, wherein a bonding wire (22) is connected to the contact element (24) and is connected to the component by means of bonding. This enables a compact contact arrangement that is simple to produce. This contact arrangement is, in particular, part of a cell contact-making unit (2) for a battery.
Resumen de: CN120642081A
The invention relates to a method (50) for producing a battery cell (100), in which a battery cell housing blank (10) having a first side (11) and a second side (12) is provided, in which the first side (11) and the second side (12) are connected by a folded edge (30), in which a first cavity (31) is formed or provided on the first side (11) and a second cavity (32) is formed or provided on the second side (12), and in which a second cavity (32) is formed or provided on the second side (12). The first side (11) and/or the second side (12) comprises at least one third cavity (33) wherein the first side (11) and the second side (12) are folded along a folding edge (30) and wherein the first side (11) and the second side (12) are sealed along at least two edges adjoining the folding edge (30), leaving an opening (15), and wherein the battery cell assembly (200) is placed in a space (14) formed by the first cavity (31) and/or the second cavity (32), and filling an electrolyte solution (110) into the first chamber (31), the second chamber (32) and the at least one third chamber (33), the opening (15) being sealed or closed after filling the electrolyte solution (110), and a gas component being discharged into the at least one third chamber (33). The invention further relates to a battery cell housing blank (10), a manufacturing state battery cell (20) and an electrochemical cell (100).
Resumen de: CN120641361A
The present invention relates to a positive electrode active material as defined in the claims and the description, to the use thereof for suppressing thermal runaway in a non-aqueous electrolyte secondary battery, and to a non-aqueous electrolyte secondary battery employing the same.
Resumen de: WO2024160876A1
The invention relates to carbon aerogels having high electric conductivity and adjustable microstructure in particular for cathode design in magnesium-sulfur batteries and polymer-electrolyte membrane fuel cells. The invention particularly refers to a high-conductivity carbon aerogel with adjustable microstructure, a method for its production and its use.
Resumen de: CN120642112A
The invention relates to a gas discharge plate (1) with a gas outlet flap (3) having an adjustable pressure trigger structure, which is used as a safety device of a battery module for discharging a hot gas flow from a cell region of the module in the event of a thermal runaway of a battery cell (6), the invention relates to a gas outlet plate (1), comprising a base plate (2) made of a high-temperature-resistant material, in which base plate an arrangement of an adjustable gas outlet flap (3) is embedded, the gas outlet flap (3) having a free periphery (4) and a bent edge (5) which define a reversible region, the gas outlet flap (3) is connected to the base plate (2) by means of the bent edge and is opened in the event of a hot gas flow, and to the use of the gas outlet plate (1) for producing a battery module and to a battery module having a gas outlet plate (1).
Resumen de: AU2024214358A1
A process for the recovery of a useful material from a battery, comprising the steps of: comminuting, discharging and shredding a battery to form a feed stream comprising anode material, cathode material and an electrolyte; removing the electrolyte from the feed stream; separating the anode material and cathode material from the feed stream into distinct material streams using (electro)magnetic separation; and treating the anode material stream to obtain a graphite product and/or treating the cathode material stream to obtain a cathode active material product.
Resumen de: WO2024161102A1
A mobile battery charging and storage station for both indoor and outdoor use, comprising: a weatherproof, secure cabinet mounted on wheels and having a width less than 800mm, a plurality of internal storage units within the cabinet, each having an internal mains power supply socket and a unit air vent, each storage unit sized to receive a battery pack to be charged from the power supply socket, wherein the cabinet has an externally mounted weatherproof mains hook up socket electrically connected to supply each of the internal mains power supply sockets, and wherein the cabinet houses an automatic climate monitoring and adjusting system for supplying air to the storage units via their respective unit air vents to optimise the climate of the storage units for the charging of batteries therein.
Resumen de: EP4661194A1
This cylindrical nonaqueous electrolyte secondary battery includes a positive electrode (11) and a negative electrode (12). The negative electrode (12) includes: a non-facing portion (60) wound, toward a winding start side, from a facing portion (59) facing a winding inner side of a start end portion (11a) of the positive electrode (11), in a winding direction in a state in which the non-facing portion (60) does not face the positive electrode (11); and a negative electrode tab (21) joined to the non-facing portion (60). The negative electrode tab (21) includes a negative electrode facing portion (21a) facing the negative electrode (12) and a lead-out portion (21b) that is shorter in length than a portion which is of the negative electrode facing portion and has the longest length in the longitudinal direction of the negative electrode in an expanded state and is led out to the outside with respect to one end of the negative electrode in the width direction. The portion having the longest length of the negative electrode facing portion is wound around 0.75 times or more and a root portion which is the boundary of the lead-out portion with the negative electrode facing portion is wound around less than 0.5 times. At least one groove (22) extending along the width direction of the negative electrode is provided in the negative electrode facing portion.
Resumen de: EP4661192A1
This cylindrical battery (10) comprises: a bottomed external can (16) that accommodates an electrode body (14), the external can (16) having a cylindrical part (39) that includes a shoulder part (29) extending radially inward at one axial-direction end part and a grooved part (22) recessed radially inward over the entire circumferential-direction periphery, and a bottom part (31) that blocks an opening in the other axial-direction side of the cylindrical part (39); a sealing body (17) that blocks an open section of the external can (16); an upper insulation plate (18) that is positioned between the grooved part (22) and the electrode body (14); and a metal sheet (40), at least part of which is interposed between the grooved part (22) and the insulation plate (18).
Resumen de: EP4661148A1
One aspect of the present disclosure is a non-aqueous electrolyte secondary battery (10) that comprises an electrode body (14) that is formed by winding a positive electrode (11) and a negative electrode (12) with a separator (13) therebetween, a bottomed-cylindrical outer housing can (20) that accommodates the electrode body (14), a sealing body (19) that closes an opening of the outer housing can (20), an insulating plate (16) that is positioned between the electrode body (14) and a bottom part (21) of the outer housing can (20), and a spacer (28) that is positioned between the insulating plate (16) and the bottom part (21) of the outer housing can (20). The sealing body (19) has a safety valve that releases the internal pressure of the outer housing can (20) when the internal pressure has risen to at least a prescribed level. A plurality of protrusions (29) are dotted on the surface of the spacer (28) on the insulating plate (16) side.
Resumen de: EP4661193A1
A method for manufacturing a cylindrical battery according to an aspect of the present disclosure comprises: a step for radiating a laser beam such that the reflectance of light is increased on at least a portion of an inner surface (31a) of a bottom (31) of an outer can (16) before housing an electrode body; and a step for joining, by ultrasonic welding, a lead extending from the electrode body to a laser irradiated portion of the inner surface (31a) irradiated with the laser beam. It is preferable to reduce the surface roughness Ra of the laser irradiated portion by irradiation with the laser beam. According to the method for manufacturing a cylindrical battery of the present disclosure, it is possible to suppress variations in the joining strength between the lead and the outer can (16) when the lead is joined to the bottom (31) of the outer can (16) by ultrasonic welding.
Nº publicación: EP4659041A1 10/12/2025
Solicitante:
DUKOSI LTD [GB]
Dukosi Limited
Resumen de: CN120693532A
A battery cell monitoring device is provided for use with a battery cell after initial charging when the battery cell is electrically coupled to the device and is experiencing aging in a controlled environment. The device repeatedly obtains voltage measurements of the battery cell at a sampling rate, calculates a rate of change in voltage based on the voltage measurements relative to the sampling rate, and evaluating the obtained voltage measurement and the calculated rate of change using a model which contains at least one voltage-dependent function and is defined for the battery cell according to a manufacturing specification of the battery cell, to determine whether the battery cell deviates from the manufacturing specification or reaches a predetermined aging stage that removes the battery cell from the controlled environment. Upon determining that the battery cell deviates from the manufacturing specification or reaches the predetermined ripening stage, the device generates a corresponding alert.
BOPI
Sede Electrónica
