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1808
resultados
Última actualización
06/06/2025 [07:29:00]
Resultados 1225 a 1250 de 1808
Resumen de: DE102023132848A1
Die Erfindung betrifft eine prismatische Zelle aus einem Gehäuse und wenigstens einer Deckelbaugruppe mit einer Basisplatte. Die prismatische Zelle weist wenigstens eine erste Öffnung und eine zweite Öffnung auf, welche in der Basisplatte angeordnet sind. Dabei ist die erste Öffnung eingerichtet, ein Elektrolyt in die prismatische Zelle einzubringen. Die zweite Öffnung ist eingerichtet ein Restgas aus der prismatische Zelle herauszubefördern.
Resumen de: DE102024131308A1
Die vorliegende Offenbarung betrifft einen Verteiler (10), der mit einer Anzahl von Rohrstutzen versehen ist. An einem äußeren Seitenbereich (56) des Gehäuses (18) sind eine erste Nut (20) und eine zweite Nut (22) vorgesehen. Eine Normale (74) einer Öffnung (66) der ersten Nut (20) ist in einem Winkel (a) in einem Bereich von 60 - 120 Grad zu einer Normalen (76) einer Öffnung (68) der zweiten Nut (22) ausgerichtet. Auf diese Weise ist der Verteiler so konfiguriert, dass er problemlos an einer Struktur des Fahrzeugs montiert werden kann.
Resumen de: DE102023133148A1
Die Erfindung betrifft eine Traktionsbatterie (1) eines Kraftfahrzeugs, umfassend- einen aus einer Mehrzahl von Trägern (2a, 2b) zusammengesetzten Rahmen (3),- ein plattenförmiges Tragelement (4), auf dem der Rahmen (3) angeordnet ist,- eine Mehrzahl von Hochvolt-Batteriemodulen (5), die innerhalb des Rahmens (3) auf dem Tragelement (4) angeordnet sind,- einen Unterfahrschutz (6), der sich unterhalb des Tragelements (4) erstreckt, sowie- zumindest zwei Stützstrukturen (8a, 8b), die sich parallel zueinander in Längsrichtung des Kraftfahrzeugs erstrecken und jeweils zumindest zwei gelochte Stützschenkel (83, 84) umfassen, die sich zwischen dem Unterfahrschutz (6) und dem Tragelement (4) erstrecken, wobei zwischen dem Unterfahrschutz (6) und dem Tragelement (4) ein Zwischenraum (7) ausgebildet ist, der einen Entgasungsraum für aus den Hochvolt-Batteriemodulen (5) ausströmende Gase bildet, und wobei jede der Stützstrukturen (8a, 8b) eine Anzahl von Entgasungskanälen (85, 86) aufweist, die dazu ausgebildet sind, von den aus dem Zwischenraum (7) durch die gelochten Stützschenkel (83, 84) strömenden Gasen durchströmt zu werden.
Resumen de: DE102024132219A1
Eine Batteriezelle (101) wird erläutert. Die Batteriezelle umfasst ein Gehäuse (1011), ein Stützelement (1013), das an einem im Wesentlichen zentralen Abschnitt des Gehäuses angeordnet ist und eine um das Stützelement wickelbare Elektroden-Geleerolle (1012) tragen kann. Ein rohrförmiges Element (1014) ist in einem vordefinierten Abschnitt des Stützelements integriert und besteht aus einem Phasenwechselmaterial. Das Phasenwechselmaterial ist so strukturiert, dass es die Phase wechselt, wenn die Temperatur der Batteriezelle eine vordefinierte Temperatur überschreitet. Ein flammhemmendes Material (1015) ist in einem in dem röhrenförmigen Element definierten Hohlraum angeordnet und so konfiguriert, dass es in die Elektroden-Geleewalze entladen wird, um die Wärmeausbreitung zu kontrollieren, wenn die Temperatur der Batterie die vordefinierte Temperatur überschreitet.
Resumen de: DE102023211864A1
Die Erfindung betrifft ein computer-implementiertes Verfahren zum Bereitstellen einer optimierten Ladekurve in einem batteriebetriebenen technischen Gerät (1) mit einer Gerätebatterie (11), mit folgenden Schritten:- Erfassen (S2) eines zeitlichen Betriebsgrößenverlaufs von Betriebsgrößen,- Ermitteln (S3) von Betriebspunkten zur Parametrisierung eines Batteriemodells;- Parametrisieren (S5) von Modellparametern des Batteriemodells mithilfe eines Fitting-Verfahrens mit den zeitlichen Betriebsgrößenverläufen bei den ermittelten Betriebspunkten;- Ermitteln (S6) eines kapazitätsbezogenen Alterungszustands (SOH-C) und eines widerstandsbezogenen Alterungszustands (SOH-R) aus den Modellparametern des Batteriemodells;- Auswählen (S7) einer Ladekurve, die einen Ladestrom für einen Aufladevorgang der Gerätebatterie (11) abhängig von einem Ladezustand definiert, abhängig von dem kapazitätsbezogenen Alterungszustands und eines widerstandsbezogenen Alterungszustands mithilfe einer vorgegebenen Ladekurven-Zuordnungstabelle;- Verwenden (S8) der Ladekurve für mindestens einen nachfolgenden Aufladevorgang.
Resumen de: DE102023211671A1
Die Erfindung betrifft ein Thermomanagementsystem (10) für ein Fahrzeug, insbesondere ein elektrisches Fahrzeug oder ein hybrides Fahrzeug, umfassend zumindest einen Kühlkreislauf (11) für ein Kühlmittel mit einem ersten Kühlabschnitt (K1) und einem zweiten Kühlabschnitt (K2), und zumindest eine Schnittstelle (12) zum Anschluss eines externen Systems an dem zumindest einen Kühlkreislauf (11), um thermische Energie zwischen dem externen System und dem Kühlkreislauf (11) auszutauschen, wobei die zumindest eine Schnittstelle (12) in dem ersten Kühlabschnitt (K1) und/oder in dem zweiten Kühlabschnitt angeordnet (K2) ist.
Resumen de: DE102024133165A1
Eine Lithium-Ionen-Batterie mit niedrigem Widerstand wird offenbart. Die Lithium-Ionen-Batterie der vorliegenden Erfindung umfasst eine Schicht aus aktivem Material der positiven Elektrode, eine Elektrolytschicht und eine Schicht aus aktivem Material der negativen Elektrode, wobei die Schicht aus aktivem Material der positiven Elektrode ein aktives Material der positiven Elektrode mit einer Struktur vom Li-defizienten 02-Typ und einen Sulfid-Festelektrolyten umfasst und ein Raman-Spektrum der Schicht aus aktivem Material der positiven Elektrode die Beziehungen IR1/IR2≤ 0,20 und IR3/IR2≤ 0,20 (IR1: Peak-Intensität von P2S64-im Raman-Spektrum, IR2: Peak-Intensität von PS43-im Raman-Spektrum und IR3: Peak-Intensität von S-S im Raman-Spektrum) erfüllt.
Resumen de: DE102023133277A1
Die vorliegende Offenbarung betrifft eine Applikationssystem zum Mischen von mehreren Komponenten zum Herstellen einer Mehrkomponentenmischung, insbesondere eines Polyurethan-Schaums, und zum Einbringen und/oder Aufbringen der Mehrkomponentenmischung in und/oder auf einen Gegenstand, insbesondere eine Lithium-Ionen-Batterie, wobei das Applikationssystem eine Applikationsvorrichtung umfasst. Ferner ist ein Verfahren zum Mischen von mehreren Komponenten zum Herstellen einer Mehrkomponentenmischung und zum Einbringen und/oder Aufbringen der Mehrkomponentenmischung in und/oder auf einen Gegenstand offenbart.
Resumen de: EP4560719A1
An electrode assembly (10), a battery cell (100), a battery (200), and an electrical apparatus are disclosed. The electrode assembly (10) includes a first electrode plate (1), the electrode plate (1) includes a current collector (11) and active material layers (12) arranged on the current collector (11), the active material layer (12) is provided with a plurality of material removal regions (13) at intervals in an extension direction (L) of the first electrode plate (1), and the material removal region (13) extends in a width direction (Y) of the first electrode plate (1); the active material layer (12) is provided with a marking portion (14), a width of the marking portion (14) in the extension direction (L) of the first electrode plate (1) is greater than or equal to a width of the material removal region (13), and the marking portion (14) spans across the material removal region (13).
Resumen de: EP4560771A1
The application provides a winding device and a winding method. The winding device includes a feeding mechanism and at least two winding members, and the feeding mechanism is used to provide an electrode sheet and a separation membrane. The winding device is provided with a winding station and a non-winding station, and each of the winding members is movable between the winding station and the non-winding station. The at least two winding members are configured as follows: when one of the winding members winds the electrode sheet and the separation membrane for a preset amount of turns at the winding station, said one of the winding members moves from the winding station to the non-winding station, so as to cause the separation membrane to pass through another of the winding members moving to the winding station; said one of the winding members releases a part of the separation membrane wound on said one of the winding members when said another of the winding members winds the electrode sheet and the separation membrane, so as to cause the part of the separation membrane released by said one of the winding members to be wound onto said another of the winding members.
Resumen de: EP4560770A1
The embodiments of the present application provide an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes a first electrode plate, a second electrode plate, and an isolation assembly. The first electrode plate and the second electrode plate have opposite polarities, and the isolation assembly is configured to isolate the first electrode plate from the second electrode plate. The first electrode plate, the second electrode plate, and the isolation assembly are wound and form a bent area. The isolation assembly includes a multi-layer structural area provided between the first electrode plate and the second electrode plate, and at least a portion of the multi-layer structural area is provided in the bent area.
Resumen de: EP4560782A2
The present disclosure relates to a battery cell, a battery cell fabrication method, an aviation battery, and a method for monitoring an aviation battery. The battery cell includes a housing and an electrode assembly accommodated in the housing. The battery cell further includes one or more sensor strips embedded between the electrode assembly and the housing and spirally wound around an outer peripheral surface of the electrode assembly. The battery cell, the battery cell fabrication method, the aviation battery, and the method for monitoring an aviation battery according to the present disclosure can accurately detect the state of each battery cell in an aviation battery in a real time manner, so as to enable early detection of abnormality of a single battery cell, thereby improving the state monitoring of the battery cell, and improving the safety performance of the battery cell and the battery including the battery cell.
Resumen de: EP4560728A1
Disclosed herein are a positive electrode composite material and a preparation method and application thereof. The positive electrode composite material includes a nano lithium manganese iron phosphate material, a first cladding layer coated on a surface of the nano lithium manganese iron phosphate material, and a second cladding layer coated on a surface of the first cladding layer. The first cladding layer includes a nano ternary active material and the second cladding layer is a carbon cladding layer. The disclosure has an advantage of improving conductivity and structural stability of the lithium manganese iron phosphate material.
Resumen de: EP4560805A1
A secondary battery module is disclosed. The secondary battery module includes a plurality of battery cells arranged with each other in a first direction, each of the plurality of battery cells including a terminal part on an upper surface, and a vent part to discharge gas, a frame part accommodating the plurality of battery cells, a busbar holder including an opening exposing the terminal part of the plurality of battery cells and a guide duct to guide the discharge of the gas, and a busbar in the opening of the busbar holder and electrically connecting adjacent battery cells of the plurality of battery cells.
Resumen de: EP4560777A1
The present disclosure relates to a method for manufacturing a lithium secondary battery, the method comprising the steps of: preparing a battery cell including a positive electrode, a negative electrode and an electrolyte, with the positive electrode containing a lithium-rich manganese-based oxide in which the content of manganese in all metals excluding lithium is greater than 50 mol%, and the ratio of the number of moles of lithium to the number of moles of all metals excluding lithium (Li/Me) is greater than 1; and charging and discharging the battery cell under pressurization to activate the battery, wherein in the activating step, the charging is performed in constant current mode until the charge cut-off voltage, and then the charging is performed in a constant voltage mode, and the charge cut-off voltage is greater than 4.35V.
Resumen de: EP4560808A1
The present disclosure discloses a battery pack with improved internal-pressure resistance. A battery pack according to an aspect of the present disclosure may include at least one battery module and a pack case configured to accommodate the battery module in an inner space thereof, wherein the pack case may include a case body configured to have the inner space provided therein and an opening provided on at least one of one side and the other side opposite the one side, and an encloser configured to seal the opening by being coupled with the case body to prevent the opening from being exposed to the outside of the pack case.
Resumen de: EP4560713A1
A secondary battery includes an electrode plate substrate, a mixture portion on an outer side of the electrode plate substrate, the mixture portion being a coating including an active material, and a hydrophobic coating portion on the outer side of the electrode plate substrate, the hydrophobic coating portion being a coating layer including a hydrophobic material outside a boundary of the mixture portion, and a position of the mixture portion on the outer side of the electrode plate substrate being restricted by the hydrophobic coating portion.
Resumen de: EP4559661A1
A preparation method for microporous film uses dry stretch film technology, and further with no grease being added to a polymer material for subsequent removal to create pores, nor with any pore-forming microparticles added to promote micropore formation.The method steps include:a) a nonporous precursor extrusion process (201) involving heating and extruding a semi-crystalline thermoplastic polymer to form a nonporous precursor,b) an annealing and aging process (202),c) a longitudinal stretching with or without transverse relaxation process (203),d) a transverse stretching without longitudinal relaxation process (204),e) a transverse relaxation process (205), andf) a winding process (206).The semi-crystalline polymer may be a polyolefin, possibly polyethylene or polypropylene.The microporous film has application in battery pack separators.The method allows the stretch to be achieved using a uniaxial stretching machine, i.e. without requiring a biaxial stretching machine.
Resumen de: EP4560723A1
Disclosed are a positive electrode active material, and a rechargeable lithium battery, the positive electrode active material including a first positive electrode active material including a first lithium-manganese-rich composite oxide in which a molar ratio of lithium to a total metal excluding lithium is about 1.06 to about 1.2 and a manganese content based on 100 mol% of a total metal excluding lithium is greater than or equal to about 30 mol%, and a second positive electrode active material including a second lithium-manganese-rich composite oxide in which a molar ratio of lithium to a total metal excluding lithium is greater than about 1.2 and less than or equal to about 2 and a manganese content based on 100 mol% of a total metal excluding lithium is greater than or equal to about 30 mol%, and having an average particle diameter (D<sub>50</sub>) smaller than an average particle diameter (D<sub>50</sub>) of the first positive electrode active material.
Resumen de: EP4560795A1
A battery module (20) includes a cell assembly (22), an elastic member (224), and a buffer (225), the cell assembly (22) includes a plurality of cell units (221) stacked along a first direction (X), the cell units (221) includes a cell (2211) and a first bracket. The cell (2211) includes a cell housing (22111), an electrode assembly (22112), and electrode terminals (22113), the cell housing (22111) includes a main body (22111a) and a first sealing portion (22111b), the main body (22111a) is provided with a first end surface (2211a), the first sealing portion (22111b) is connected to the first end surface (2211a). The first bracket (2212) includes a first coverage portion (22121), the first coverage portion (22121) covers at least a part of the first end surface (2211a). Along the first direction (X), the buffer (225) is provided between the elastic member (224) and the cell assembly (22). The buffer (225) includes a first section (2251), along a second direction (Y), the first section (2251) extends beyond the first end surface (2211a) close to the buffer (225), where the first direction (X) is perpendicular to the second direction (Y).
Resumen de: EP4559723A1
This disclosure relates to an energy storage system, a safety management method for the energy storage system and a control system. The energy storage system includes multiple energy storage units and an energy storage controller configured to communicate with the multiple energy storage units, receive abnormal signals of the multiple energy storage units, and send the abnormal signals to an external control unit. The multiple energy storage units are further configured to be capable of sending the abnormal signals to the external control unit. The energy storage system, the safety management method for the energy storage system and the control system according to the present disclosure can provide redundant alarm and protection functions.
Resumen de: EP4560802A1
A battery pack (10) includes a plurality of cell stacks (S) , each including a plurality of battery cells (100) arranged in a first direction (Y), the battery cells including vent units on top surfaces thereof, respectively, a housing frame (200) having an opened top and accommodating the cell stacks, a cover frame (300) covering the opened top of the housing frame, and at least one horizontal frame (400) interposed between the cell stacks and the cover frame, each of the at least one horizontal frame being elongated in the first direction, wherein each of the at least one horizontal frame has a recess that is formed to be recessed downward and elongated in the first direction, and the recess has a plurality of first through-holes arranged in the first direction.
Resumen de: EP4560758A2
The present application provides a battery, an energy storage device, an electrical system and an energy storage system. The battery of the present application includes a negative electrode sheet and an electrolyte. The negative electrode sheet includes a negative electrode material. When a state of charge of the battery ranges from 95% to 105%, a differential scanning calorimetry curve of a mixture of the negative electrode material and the electrolyte has a first exothermic peak, a second exothermic peak and a third exothermic peak. A peak temperature of the first exothermic peak is T1, a peak temperature of the second exothermic peak is T2, and a peak temperature of the third exothermic peak is T3. The battery satisfies a relationship: 2≤(T2-T1)/(T3-T2)≤4.5. The battery of the embodiments of the present application has good heat resistance and overcharge resistance.
Resumen de: EP4560815A1
An energy storage system includes: a rack including horizontal frames arranged at intervals in a vertical direction and having a length in a horizontal direction, vertical frames arranged at intervals in the horizontal direction, having a length in the vertical direction, and coupled to the horizontal frames, and guide rails coupled to inner sides of the horizontal frames and extending in an inward direction of the rack; a battery module mounted on the guide rails; and a fire extinguishing sheet coupled to the horizontal frames. The fire extinguishing sheet is configured to release a fire extinguishing agent to the battery module at a reference temperature.
Nº publicación: EP4559851A1 28/05/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
Resumen de: EP4559851A1
The present invention relates to an electrode plate transfer device (1, 2, 3) and method, and the electrode plate transfer device (1, 2, 3) includes a base part (10), a rotation providing part (20) which is mounted on the base part (10) and provides a rotational force, a linear driving part (30) linearly moved by the rotation providing part (20), and a transfer part (40) which is connected to the linear driving part (30), is supported by the base part (10), and moves an electrode plate (100).
BOPI
Sede Electrónica
