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1143
resultados
Última actualización
04/09/2025 [07:15:00]
Resultados 50 a 75 de 1143
Resumen de: EP4611141A1
A battery cell stack (100) is provided. The battery cell stack comprises a plurality of cylindrical battery cells (110) and a cell holder (120). The cell holder comprises a plurality of cylindrical through-holes (122) having a height smaller than a height of a battery cell. Each of the battery cells is arranged in a respective cylindrical through-hole such that the battery cell protrudes at a first side (124) of the cell holder. The battery cell stack further comprises an electrically insulating layer (130) arranged at a second side (126) of the cell holder, and a printed circuit board, PCB, (140) arranged at a first side (112) of the battery cells and configured to electrically interconnect the battery cells. A first adhesive layer (150) is disposed on the electrically insulating layer such that a second side (114) of each of the battery cells is in contact with the first adhesive layer. A second adhesive layer (160) is provided between and in contact with the PCB and the first side of each of the battery cells. Each of the battery cells is electrically connected to the PCB by wire bonding
Resumen de: WO2024088675A1
An electrode comprising: - a foil (C) made of aluminum or aluminum alloy, the foil either being covered at least partially on one or both faces by a coating intended to improve the electron conductivity between a coated layer and the foil and/or to improve the adhesion of a coated layer to the foil, or having been subjected to a surface treatment aimed at increasing the adhesion and/or the contact area of the coated layer with respect to the foil, - at least two superposed layers (L1, L2), each layer comprising a first active material (MA1) which is a lithiated phosphate of one or more transition metals and at least a second active material (MA2), characterized in that, in a layer in question, the weight proportion of the lithiated phosphate relative to all the active material weights of this layer is greater than the weight proportion of lithiated phosphate in the adjacent layer further away from the foil than the layer in question.
Resumen de: EP4611123A1
Dargestellt und beschrieben ist ein Zellträger (2) für mindestens eine elektrische Zelle (3). Die mindestens eine Zelle (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Die erste Zellkappe (7) schließt ein erstes Ende des Zellmantels (6) ab und in der ersten Zellkappe (7) ist ein erster elektrischer Zellkontakt (9) und die zweite Zellkappe (8) schließt ein zweites Ende des Zellmantels (6) ab und in der zweiten Zellkappe (8) ist ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) für die mindestens eine Zelle (3) weist eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Bei in der Zellaufnahme (11) angeordneter Zelle (3) fallen die Aufnahmelängsachse (12) und die Zelllängsachse (5) zusammen.Die Erfindung löst die Aufgabe, einen Zellträger (2) für Immersionskühlung anzugeben, welcher zumindest einen der Nachteile mechanischer Aufwand, aufwendige Herstellung abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15) aufgeteilt ist und der erste Teilträger (14) und der zweite Teilträger (15) Komponenten des Zellträgers (2) sind, dass der erste Teilträger (14) und der zweite Teilträger (15) auseinanderführbar und zusammenführbar sind, da
Resumen de: EP4611121A1
A battery-module (100) is provided which comprises a first battery-cell and a second battery-cell (101), and a heat-spreader (103) for passively dissipating heat from the first to the second battery-cell (101). The heat-spreader (103) has a first section (105) and a second section (106). The first section (105) comprises a first volume (107) and a first contact-portion (201), wherein the first contact-portion (201) restricts the first volume (105) in a direction towards the first battery-cell (101) and is in thermally conductive physical contact with the first battery-cell (101) such that the first battery-cell (101) and the heat-spreader (103) can exchange heat at the first section (105). The second section (106) comprises a second volume (108) and a second contact-portion (202), wherein the second contact-portion (202) restricts the second volume (108) in a direction towards the second battery-cell (101) and is in thermally conductive physical contact with the second battery-cell (101) such that the second battery-cell (101) and the heat-spreader (103) can exchange heat at the second section (106). The heat-spreader (103) has a cooling-medium (109, 111; 431, 433) for 2-phase cooling of the first and second battery-cells (101). The first and the second section (105, 106) communicate with each other such that a transition from the first to the second aggregate-state of the cooling-medium (109, 111; 431, 433) causes a transport of cooling-medium (109, 111; 431, 433) from the f
Resumen de: EP4611124A1
Dargestellt und beschrieben ist ein Batteriemodul (47) mit einer Mehrzahl an elektrischen Zellen (3), einem Zellträger (2) und einem Gehäuse (48). Jede der Zellen (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Bei jeder der Zellen (3) schließt die erste Zellkappe (7) ein erstes Ende des Zellmantels (6) ab und ist in der ersten Zellkappe (7) ein erster elektrischer Zellkontakt (9) und schließt die zweite Zellkappe (8) ein zweites Ende des Zellmantels (6) ab und ist in der zweiten Zellkappe (8) ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) weist für jede der Zellen (3) eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Jede der Zellen (3) ist in einer der Zellaufnahmen (11) angeordnet und die Aufnahmelängsachse (12) und die Zelllängsachse (5) fallen zusammen. Der Zellträger (2) ist im Gehäuse (48) angeordnet.Die Erfindung löst die Aufgabe, ein Batteriemodul (47) für Immersionskühlung anzugeben, welches zumindest einen der Nachteile mechanischer Aufwand, Herstellungsaufwand, Handhabungsaufwand im Stand der Technik abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass die Aufnahmelängsachsen (12) parallel zueinander sind, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15)
Resumen de: EP4610289A1
The present invention relates to a composition for preparing shaped body with improved resistance to compositions comprising lithium salts, the composition comprising an elastomer comprising polyurethane units and ethylenically unsaturated units, wherein the elastomer is obtained or obtainable by reacting a composition (PC) comprising at least one polyol (P1) and at least one compound (E1) which comprises at least one ethylenically unsaturated group and an isocyanate component (IC) comprising at least one polyisocyanate. The present invention also relates to a shaped body with improved resistance to compositions comprising lithium salts, the shaped body comprising said composition, a process for preparing a shaped body and also the use of the composition according to the present invention for the preparation of a shaped body, wherein the shaped body is an electronic device or part thereof or a component in a battery.
Resumen de: CN119947986A
The present invention relates to a method of manufacturing a silicon-graphene-graphite composite for a silicon-based anode of a lithium ion battery, the method comprising: aggregating silicon particles having a particle size distribution D10 greater than 100 nm and a peelable graphene-based material together in a first organic solvent, the weight ratio of silicon to the peelable graphene-based material is from 1.5 to 9; mixing at least 500 rpm for at least 20 minutes to grind the silicon particles into nanoparticles, exfoliating at least a portion of the exfoliable graphene-based material into graphene and forming a silicon-graphene composite; aggregating the silicon-graphene composite and graphite together, the weight ratio of carbon to silicon being from 1.5 to 19, and the viscosity being from 0.025 Pa.sec to 160 Pa.sec at a shear rate of 1 se-1; and mixing for at least 2 minutes to form the silicon-graphene-graphite composite material.
Resumen de: EP4611120A1
The invention relates to an electrical energy storage apparatus (10) for a vehicle. The apparatus (10) comprises a first battery cell (11a); a second battery cell (11b); a cell connector (12), electrically conductively connecting the first and second battery cell (11a, 11b); a wall member (13) arranged at the first and second battery cell (11a, 11b); and a heat transfer device (14), electrically insulating and thermally conductively connecting the cell connector (12) and the wall member (13). The heat transfer device (14) has a first transfer section (14a), connecting a first portion (12a) of the cell connector (12) to the wall member (13), and a second transfer section (14b), connecting a second portion (12b) of the cell connector (12) to the wall member (13). Thereby, the first and second transfer section (14a, 14b) are at least partially separated from each other by a separation region (15), having a reduced thermal conductivity compared to the first and second transfer section (14a, 14b), to reduce a heat transfer between the first and second battery cell (11a, 11b) via the heat transfer device (14).
Resumen de: FI20235028A1
The present disclosure provides a method for separating manganese in leaching of cobalt and/or nickel, the method comprising providing a leach solution comprising cobalt and/or nickel, providing manganese in the leach solution as the only reducing agent, and allowing the manganese to precipitate as manganese dioxide while the cobalt and/or nickel are dissolved. The present disclosure also provides use of material comprising cathode material or leaching solution obtained from material comprising cathode material in the method.
Resumen de: CN120112487A
Ionic solids (e.g., disordered rock salt oxide/oxyfluoride (DRX) compositions) useful as lithium ion cathodes are synthesized by microwave processes that are two orders of magnitude faster than conventional solid and mechanochemical synthesis processes. The microwave synthesis can be carried out in ambient air, so that the synthesis time, the energy consumption and the cost are greatly reduced. In one illustrative embodiment of the method, the precursor powders are mixed and pressed into pellets. Then putting the pellets into a ceramic crucible surrounded by activated carbon; and then the crucible is placed in 1200W microwaves to be continuously heated for 5-20 minutes. And after the microwave radiation is stopped, immediately and quickly taking out the pellets from the crucible, and quenching in water. The pellets are then dried and milled into a powder, which is the final DRX product.
Resumen de: GB2623892A
A method of determining the reusability of a battery includes: measuring an open circuit voltage (OCV) for each of a plurality of cells in the battery 104; performing an electrochemical dynamic response (EDR) test on the battery to derive impedance and lithium transport parameters for each of the cells 106; performing a resistance test on a plurality of wires and connectors to identify defective wires or connectors 108; and measuring a flow of current in a plurality of charge balancing circuits to identify a malfunctioning charge balancing circuit based on the determined current drainage 110. One or more outlier cells are identified from these tests 114. Outlier cells found to be damaged or defective may be removed from the battery and either repurposed or recycled. This may be done on the basis of a degradation pathway predicted for the cells over the lifetime of the battery.
Resumen de: CN120202589A
The invention relates to a method for connecting a trap (20) to an inner side (11) of a pole cap (10) of an electrochemical cell (100), in which a drawing mandrel (30) is pushed through an opening (12, 12 ') of the pole cap (10) and/or through an opening (23) or a recess (24) of the trap (20), the drawing mandrel (30) is designed to at least temporarily form a mechanical connection between the drawing mandrel (30) and the catch (20) at a portion (31 ''), or the drawing mandrel (30) is mechanically connected to the catch (20), in which a force (F) outward from the opening (12) of the pole cap (10) acts on the drawing mandrel (30) and the catch (20) presses against the inner side (11) of the pole cap (10), in which the catch (20) pressed against the inner side (11) of the pole cap (10) is connected to the pole cap (10), in particular in an electrically conductive manner.
Resumen de: US2024145697A1
A multi-layer cathode coating for positive electrode of a rechargeable electrochemical cell (or secondary cell) (such as a lithium-ion secondary battery) and a secondary battery including a cathode having a multi-layer cathode coating. Multi-layer cathode coatings containing blends of one or more cathode active materials in certain weight ratios thereof.
Resumen de: CN120152927A
The invention relates to a device (5) for transporting and optionally stacking planar electrode elements (1), which is designed to transport the planar electrode elements individually in succession along a transport path (10). The apparatus has a distance increasing device (12) which is arranged along the transport path of the planar electrode elements, for example upstream of the stacking device (17), and is designed to increase the distance (a) between the planar electrode elements, in particular to a processing distance (A), by accelerating the planar electrode elements in order to handle individual planar electrode elements.
Resumen de: CN120152927A
The invention relates to a device (5) for transporting and optionally stacking planar electrode elements (1), which is designed to transport the planar electrode elements individually in succession along a transport path (10). The apparatus has a distance increasing device (12) which is arranged along the transport path of the planar electrode elements, for example upstream of the stacking device (17), and is designed to increase the distance (a) between the planar electrode elements, in particular to a processing distance (A), by accelerating the planar electrode elements in order to handle individual planar electrode elements.
Resumen de: US2025256984A1
A positive electrode active material for lithium-ion rechargeable batteries comprises particles having Li, M′, and oxygen. M′ comprises Ni in a content x, wherein x≥80 at %, relative to M′; Co in a content y, wherein 0.01≤y≤20.0 at %, relative to M′; Mn in a content z, wherein 0≤z≤20.0 at %, relative to M′; Y in a content b, wherein 0.01≤b≤2.0 at %, relative to M′; Zr in a content c, wherein 0.01≤c≤2.0 at %, relative to M′; D in a content a, wherein 0≤ a≤5.0 at %, relative to M′. D is selected from B, Ba, Ca, Cr, Fe, Mg, Mo, Nb, S, Si, Sr, Ti, V, W, and Zn. The material comprises secondary particles, wherein each of the secondary particles consists of at least two primary particles and at most twenty primary particles.
Resumen de: CN120129661A
The present invention relates to a positive electrode active material for a lithium ion rechargeable battery, where the positive electrode active material comprises Li and transition metals such as Ni, optionally Co, optionally Mn and Nb, where the positive electrode active material is coated with B, and where the specific surface area of the positive electrode active material is higher than or equal to 0.50 m2/g and lower than or equal to 1.50 m2/g.
Resumen de: WO2024089266A1
The invention relates to a method and a device for recycling lithium-ion accumulators comprising one or more cells (13), wherein the cells (13) each contain electrode stacks (15) with strip-like electrodes (16, 19), and the strip-like electrodes (16, 19) each comprise an electrically conductive carrier strip (18, 21) coated with an active material (17, 20).
Resumen de: MX2025004876A
The invention relates to a method for recycling alkali metal batteries (12), in particular Li batteries or Na batteries, which have an active material, a carrier foil on which the active material is arranged, binder by means of which the active material is bound to the carrier foil, a liquid electrolyte, conducting salt (38) and a housing that encloses the active material, carrier foil and binder, with the step of comminuting the alkali metal batteries (12) such that the comminuted material, the black matter (30), which contains the active material and the binder, is produced, with the steps of washing the comminuted material with a washing solvent (36) such that conducting salt (38) is washed out and the binder is not washed out such that low- conducting-salt comminuted material and a washing liquid (40) are obtained, regenerating the washing solvent (36) from the washing liquid (40), and in particular by distilling, and washing the comminuted material with at least some of the regenerated washing solvent (36). The invention also relates to a battery preparation system for recycling alkali metal batteries (12), in particular Li batteries or Na batteries.
Resumen de: CN120202392A
A thermal control device has a thermal control device base, a connection block attached to the thermal control device, and a conduit for a heat exchange fluid attached to the connection block. The conduit has a conduit extension axis and a conduit sidewall. The connection block includes a connection block receiving section that receives a portion of the conduit sidewall. The connection block is configured to facilitate heat exchange between the conduit sidewall and the thermal control device.
Resumen de: MX2025004615A
The present invention relates to a separator (1) able to separate two cells (2) of a battery (3), for example a battery of an electric or hybrid-electric vehicle, said separator (1) comprising at least one insulating layer comprising a composite material (4), said composite material (4) comprising a binder mixed with aerogel particles (5), the volume content of said aerogel particles (5) in said composite material (4) being greater than 20% and the binder being a mineral binder. The present invention also relates to a battery comprising a separator according to the invention, and to a method for manufacturing the separator according to the invention.
Resumen de: WO2024089193A1
The invention relates to a method (100) for synthesizing at least one crystalline layer of manganese oxides that can contain zinc, of formula ZnxMnyOz, where x is greater than or equal to 0, y is greater than 0, and z is greater than 0, the method being implemented in a chamber of a low-pressure plasma reactor, kept between 10 Pa and 105 Pa, the method comprising forming a plasma discharge (110) from a plasma-generating gas; adding (120), in the form of a nebulizate, a predetermined amount of a manganese precursor; adding (130) a reactive gas so as to create oxygen vacancy defects in the layer of manganese oxides, and/or so as to maintain a controlled redox environment; synthesizing and depositing (140), on a substrate, the at least one crystalline layer of manganese oxides that can contain zinc, these operations being carried out at a substrate temperature of 400°C or less, advantageously 200°C or less.
Resumen de: EP4611116A1
A method for recovering valuable materials from lithium ion secondary batteries is provided. The method includes: a heat-treatment step of performing a heat treatment on a lithium ion secondary battery to obtain a heat-treated product; a first classification step of classifying a crushed product, which is obtained by crushing the heat-treated product, to obtain a coarse-particle product 1 and a small-particle product; a second classification step of classifying a ground product, which is obtained by grinding the small-particle product, at a classification point smaller than a classification point of the first classification step to obtain a coarse-particle product 2 and a fine-particle product; a first magnetic separation step of subjecting the fine-particle product obtained in the second classification step to magnetic separation to obtain a magnetic component 1 and a non-magnetic component 1; a second magnetic separation step of subjecting the non-magnetic component 1 obtained in the first magnetic separation step to magnetic separation to obtain a magnetic component 2 and a non-magnetic component 2; and a recovering step of recovering valuable materials from the magnetic component 1 and the magnetic component 2.
Resumen de: EP4610293A1
According to the present invention, it is possible to provide a polycarbonate resin that contains a constituent unit (A) derived from a monomer represented by general formula (1), a constituent unit (B) derived from a monomer represented by general formula (2) and a constituent unit (C) derived from a monomer represented by general formula (3). Relative to the total amount of constituent units (A), (B) and (C) that constitute the polycarbonate resin, the proportion of constituent unit (A) is 20-50 mol%, the proportion of constituent unit (B) is 5-20 mol%, and the proportion of constituent unit (C) is 30-75 mol%.
Nº publicación: EP4611113A1 03/09/2025
Solicitante:
PIPISTREL D O O [SI]
Pipistrel D.O.O
Resumen de: EP4611113A1
A battery case, connector, and method of forming are provided. The battery case includes, an outer wall (110), a plurality of first wires internal to the battery enclosure, and a battery connector. The battery connector includes an external connector, a circuit board (150) connected to the external connector (140) on a first side through a hole in the outer wall (110) and connected to the plurality of first wires on a second side opposite the first side, where the circuit board (150) is further bonded to an internal side of the outer wall (110) on a portion of the first side, and a plate (160) bonded to the second side of the circuit board (150) opposite the first side, where the plate (160) completely covers a footprint of the hole in the outer wall (110) through which the external connector (140) attaches to the circuit board, but does not cover connection points for the plurality of first wires.
BOPI
Sede Electrónica
