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1313
resultados
Última actualización
13/08/2025 [07:30:00]
Resultados 575 a 600 de 1313
Resumen de: EP4597680A1
In the present invention, a non-aqueous electrolyte secondary battery has a wound electrode body comprising a negative electrode (12) in which a negative electrode composite layer (32) is formed on a negative electrode core (30). The negative electrode (12) has a non-facing part (12a) on the side of the electrode body on the inner end side in the winding direction, the non-facing part (12a) not facing the positive electrode across the separator. The non-facing part (12a) has a composite material non-facing part (12c), in which the negative electrode composition layer (32) is formed on at least one surface of the negative electrode core (30). In the composite material non-facing part (12c), the winding-direction length of a negative electrode composite layer (32a) formed on an inner circumference surface (30a) of the negative electrode core (30) is 0.3 turns or more along the winding direction of the composite material non-facing part (12c), and the winding-direction length of a negative electrode composite layer (32b) formed on an outer circumference surface (30b) of the negative electrode core (30) does not exceed 2/3 of the winding-direction length of the negative electrode composite layer (32a) formed on the inner circumference surface (30a) of the negative electrode core (30).
Resumen de: EP4597662A1
With respect to a nonaqueous electrolyte secondary battery according to the present disclosure, the positive electrode contains a lithium-containing composite oxide and a sulfonic acid compound that is present on the particle surfaces of the lithium-containing composite oxide; the sulfonic acid compound is represented by formula (I); the negative electrode comprises a negative electrode core body, a first negative electrode mixture layer that is arranged on the surface of the core body, and a second negative electrode mixture layer that is arranged on the surface of the first negative electrode mixture layer; the thickness T1 of the first negative electrode mixture layer and the thickness T2 of the second negative electrode mixture layer satisfy the relational expression 0.1 ≤ T1/(T1 + T2) ≤ 0.9; the first negative electrode mixture layer and the second negative electrode mixture layer each contain a negative electrode active material and a binder; the binder content C1 in the first negative electrode mixture layer and the binder content C2 in the second negative electrode mixture layer satisfy the relational expression C1 > C2. (In the formula, A represents a group 1 element or a group 2 element; R represents a hydrocarbon group; and n is 1 or 2.)
Resumen de: EP4597704A1
A secondary battery cell can be fixed to a battery holder with high reliability. Battery pack 100 includes a plurality of secondary battery cells 1 and battery holder 20 including a plurality of storage tubes 22 that respectively hold the plurality of secondary battery cells 1. Battery holder 20 is divided into at least first divided holder 21A and second divided holder 21B in the length direction of secondary battery cell 1, and first storage tube 22A of first divided holder 21A and second storage tube 22B of second divided holder 21B are joined to form a cell storage space for storing secondary battery cell 1. At least a part of second storage tube 22B has recess 24 formed on at least a part of the inner surface thereof, and adhesive 50 is interposed between recess 24 of storage tube 22 and secondary battery cell 1.
Resumen de: EP4597634A1
A binder composition for a non-aqueous secondary battery electrode contains a polymer X that includes an acidic group-containing monomer unit in a proportion of not less than 3 mass% and not more than 20 mass% and a repeating unit derived from an unsaturated monomer A in a proportion of not less than 5 mass% and less than 50 mass%. The unsaturated monomer A has a solubility in water of not less than 1 g/100 mL and not more than 15 g/100 mL and has a glass-transition temperature of 40°C or lower.
Resumen de: AU2023352888A1
The present disclosure relates to an electrolyte product (1), formed as a solid or semi-solid layer, comprising a polymer-based matrix, having dispersed therein an amount of an electrolyte salt composition (4) and an amount of an additive salt composition (5). The disclosure further relates to a method of manufacturing a battery cell product, a battery cell product comprising the electrolyte product, and a battery product comprising a plurality of battery cell products.
Resumen de: MX2025003810A
The present disclosure relates to a battery unit (100) for an electric vehicle. The battery unit (100) comprises a battery tray (1) made of a composite material and defining an interior space configured to receive a battery (2) comprising one or more battery cells. The interior space is delimited by a bottom wall (3) and one or more lateral walls (4). Further, the lateral walls (4) comprise a side flange (5) extending outwardly from the lateral walls (4), and the side flange (5) comprises one or more embedded metal inserts (6). The metal inserts (6) are configured to receive one or more fasteners to secure the battery tray (1) to a load bearing structure of the electric vehicle. The present disclosure further relates to methods (500) for manufacturing a battery unit.
Resumen de: WO2024068707A1
An inspection device comprises a first layer conveyor, which has a receiver and a first drive in order to receive a respective anode or cathode layer by means of the receiver from a first transfer point and to bring same to a first depositing point. At the first depositing point, a stacking table receives the anode or cathode layer from the receiver to form a layer stack. At the first depositing point, the first layer conveyor deposits an anode or cathode layer from its receiver on the stacking table when the receiver is at the first depositing point. A third image recorder is directed to a region comprising an upper edge of a layer stack located on the stacking table, seen in a side view of the layer stack, which region contains a connection lug of an anode or cathode layer at the top of the layer stack, and the third image recorder acquires a third image before or after the anode or cathode layer is placed on the stacking table. Depending on signalling based on a processing of the third acquired image, a controller indicates the (un)usability of the layer stack.
Resumen de: US2025243032A1
An inspection device for a layer material has a layer conveyor and a drive to pick up an anode or cathode layer by a pickup from a transfer location and bring it to a delivery location. The layer turner delivers a single anode or cathode layer from its pickup to a stacking table at the delivery location. The drive aligns the pickup and the stacking table relative to each other depending on a signal based on processing of a first or second image feed. A first image sensor is aligned between the transfer location and the delivery location to perform a first image feed when the pickup of the layer turner passes the first image sensor. A second image sensor is aligned between the transfer location and the delivery location to perform a second image feed when the pickup of the layer turner passes the second image sensor.
Resumen de: WO2024068752A1
The present invention relates to a negative electrode, in particular suitable for use in a lithium-ion battery, having a negative electrode layer formed on at least one surface of a current collector, wherein said negative electrode layer comprises at least one Si-C composite particulate material comprising silicon-based particles and one or more carbonaceous material; particles of at least one uncompressible graphite; and particles of at least one compressible graphite, the total uncompressible graphite content ranging from 2% to 60% by mass of the total mass of the negative electrode layer.
Resumen de: WO2024068158A1
An electrical energy storage device (2, 2A-2C) for an implantable medical stimulation device (1) comprises a housing (20), a first electrical electrode and a second electrical electrode having different electrical polarities, one of the first electrical electrode and the second electrical electrode being formed by an electrode element (21) having an electrically conductive electrode body (210) arranged in the housing (20), and a current collector arrangement (22) electrically connected to the electrode element (20). The current collector arrangement (22) comprises a first current collector element (220) forming a first current collection section (222) having a first free end (227) and a second current collector element (221) forming a second current collection section (223) having a second free end (228), wherein the first current collection section (222) and the second current collection section (223) each extend in the electrode body (210) or along a surface of the electrode body (210) such that the first free end (227) of the first current collector element (220) and the second free end (228) of the second current collector element (221) are arranged at a distance with respect to one another in or on the electrode body (210).
Resumen de: US2024107716A1
A thermal management system includes a high-pressure (HP) container, a low-pressure (LP) container in fluid communication with the HP container and having a fluid pressure less than the HP container, and a two-phase working fluid partially in the HP container and partially in the LP container. The two-phase working fluid has a vapor phase and a liquid phase. A pump is configured to move the working fluid through the system, and a condenser is configured to condense the vapor phase of the working fluid into the liquid phase.
Resumen de: EP4597600A1
Provided are a laminated sheet for alloy formation used to fabricate a negative electrode that allows constructing a nonaqueous electrolyte battery with good load characteristics at low temperature, and a method of manufacturing a negative electrode and a method of manufacturing a nonaqueous electrolyte battery for fabricating a negative electrode and a nonaqueous electrolyte battery with improved productivity. A method of manufacturing a negative electrode for a nonaqueous electrolyte battery according to the present invention is a method of manufacturing a negative electrode including an anode active material layer having a lithium layer and a lithium-aluminum alloy layer formed on a surface of the lithium layer, and a carbon layer formed on a surface of the anode active material layer, comprising: laminating a laminated sheet for alloy formation, which is an independent sheet including an aluminum foil and a carbon layer formed on one side of the aluminum foil, onto the lithium layer in such a manner that the side of the aluminum foil in the laminated sheet for alloy formation opposite to the side with the carbon layer is in contact with the lithium layer; and allowing lithium in the lithium layer and aluminum in the aluminum foil to react with each other to form the anode active material layer.
Resumen de: EP4597637A1
The present disclosure provides a carbon nanotube dispersion that contains a solvent and bundle-type carbon nanotubes formed from carbon nanotubes having an average diameter of 3 nm to 30 nm, a ratio of the number of bundle-type carbon nanotubes each in a shape having an outer diameter of 50 nm to 5 µm and a fiber length of 1 µm to 100 µm being 0.2% or more to the number of carbon nanotubes each having an outer diameter of 10 nm or more in the carbon nanotube dispersion as a reference.
Resumen de: EP4597604A1
A secondary battery positive electrode includes a belt-shaped positive electrode current collector and a positive electrode mixture layer carried on a surface of the positive electrode current collector. The positive electrode current collector has a first region and a second region. The first region is an end area at both ends of the positive electrode current collector in the widthwise direction of the positive electrode current collector, extending in the longitudinal direction of the positive electrode current collector. The second region is a central area in the middle part of the positive electrode current collector in the widthwise direction of the positive electrode current collector, extending in the longitudinal direction of the positive electrode current collector. The positive electrode mixture layer includes a first positive electrode mixture layer carried on the first region and a second positive electrode mixture layer carried on the second region. The positive electrode mixture layer includes a first positive electrode mixture layer carried on the first region and a second positive electrode mixture layer carried on the second region. The first positive electrode mixture layer contains a first positive electrode active material. The second positive electrode mixture layer contains a second positive electrode active material. An average particle diameter D1 of the first positive electrode active material is 1 µm or more and 7 µm or less. An average particle d
Resumen de: EP4597618A1
This negative electrode for alkaline secondary batteries comprises a negative electrode current collector and a negative electrode mixture that is supported by the negative electrode current collector. The negative electrode mixture contains a hydrogen storage alloy that has an Fe content of 200 to 900 ppm by mass, and a carbon black that has an Fe content of 1,000 to 2,800 ppm by mass.
Resumen de: EP4597701A1
A connector is fixed to a fixed member with waterproof structure while manufacturing cost is reduced. The waterproof structure of a connector includes fixed member 2 provided with connector insertion port 2A and a plurality of screw insertion ports 2B, connector 3 including a connector body 31 and flange part 32, screw receiving member 4 disposed facing a second surface of fixed member 2 and into which fixing screw 7 having passed through flange part 32 and fixed member 2 is screwed, packing member 5, and O-ring 6. Screw receiving member 4 includes a plurality of screw fixing parts 41 into which fixing screws 7 are screwed without passing through corresponding screw fixing parts 41, and coupler 42 that couples the plurality of screw fixing parts 41. The waterproof structure is formed in which O-ring 6 seals an opening of each of screw insertion ports 2B while fixing screw 7 having inserted through screw insertion hole 33 of flange part 32 and the corresponding one of the screw insertion ports 2B is screwed into corresponding one of screw fixing parts 41 with O-ring 6 interposed therebetween, and packing member 5 is sandwiched between flange part 32 and fixed member 2 to seal an opening of connector insertion port 2A with packing member 5.
Resumen de: EP4597668A1
In a non-aqueous electrolyte secondary battery according to the present disclosure, a positive electrode comprises a lithium-containing composite oxide, and a sulfonic acid compound which is represented by formula (I) and is present on a particle surface of the lithium-containing composite oxide, and a negative electrode mixture layer of a negative electrode includes first graphite particles having an internal porosity of at most 5% and second graphite particles having an internal porosity of 8% to 20%. A thickness T1 of a first negative electrode mixture layer facing a negative electrode core and a thickness T2 of a second negative electrode mixture layer facing the positive electrode satisfy 0.1≤T1/(T1+T2)≤0.9, and a ratio C1 of the first graphite particles to the total mass of the first and second graphite particles in the first negative electrode mixture layer, and a ratio C2 of the first graphite particles to the total mass of the first and second graphite particles in the second negative electrode mixture layer satisfy C1
Resumen de: EP4597731A1
Spring back is suppressed with a simple configuration. An electric device includes lead plate 30 including bent segment 32 bent along bend line 31, circuit board 3 electrically connected to bent segment 32 of lead plate 30, and holder 20 that holds lead plate 30. Holder 20 includes holder portions 26 that lock part of upper surfaces of bent segments 32. Holder portion 26 is configured to abut on and hold the part of the upper surface of bent segment 32 while the holder portion opposes a direction of spring back caused by bent segment 32 of lead plate 30 being bent along bend line 31. Circuit board 3 includes connection region 4 electrically connected to lead plate 30. Bent segment 32 is electrically connected to connection region 4.
Resumen de: CN119998985A
The invention relates to a thermal conditioning device (5) for a battery, comprising: a housing (3) having at least two side walls (3A) and a circuit (5A) for the circulation of a heat transfer fluid and capable of accommodating a battery comprising at least two battery cells (1A), the heat transfer fluid circulating around the cells (1A) being supplied and discharged by an input collector (5B) and an output collector (5C). According to the invention, a spacer (5F) is mounted between the cells (1A), at least one collector (5B, 5C) extends along the side wall (3A), a circuit (5A) of heat transfer fluid is at least partially defined by the spacer (5F), and at least two apertures (5F. 2a, 5F. 2b) are arranged on the spacer (5F), each aperture (5F. 2a, 5F. 2b) leading to an input collector (5B) and an output collector (5C), respectively.
Resumen de: CN120077499A
This porous insulating layer imparting object is provided with: a base material; and an adhesive porous insulating layer on the base material. The adhesive porous insulating layer is a porous structure having a co-continuous structure having a resin as a skeleton, and the resin is a crosslinked resin. In a peel strength measurement method using an element for measuring peel strength, the peel strength of an adhesive porous insulating layer is 2 N/m or more, and the element for measuring peel strength is obtained by: preparing a base material, as one of two base materials each having a size of 30 mm * 100 mm, forming a base material having a thickness of 30 mm * 100 mm; an adhesive porous insulating layer is provided by disposing an adhesive porous insulating layer on the entire surface of each of the two substrates, and the adhesive porous insulating layers face each other and are thermally bonded at a temperature of 140 DEG C and a cylinder thrust of 500 N for 1 minute.
Resumen de: CN120051885A
The invention relates to a device for spacing cells of a battery, comprising a spacer in contact with adjacent large sides of the cells, the spacer comprising:-a flow region positioned opposite the adjacent large sides of the cells and extending over a majority of these large sides,-one or more ribs, the invention relates to a heat transfer device comprising a plurality of cells forming at least one forced flow circuit (C) of the fluid between the cells, in which turbulators (T) are present in the flow region along the forced flow circuit (C) so as to generate turbulent flow in the flow of the heat transfer fluid between the inlet (E) and the outlet (S) of the forced flow circuit, which turbulators are raised and extend in the height direction in the ribs.
Resumen de: WO2024072238A1
A method for recovering metals from black mass from recycling of spent lithium-ion batteries, characterized in that it comprises the following steps: a) leaching the black mass with sulfuric acid (VI) with the addition of H2O2 in order to obtain an extract comprising metals; b) adding iron dust to the extract in order to cement copper and then separating the precipitated copper from the extract; c) adding a manganese oxidizing agent to the extract and then separating the resulting MnCh from the extract; d) alkalizing the extract in order to precipitate iron (III) hydroxide or iron (III) oxyhydroxide or a mixture thereof and then separating the resulting precipitate from the extract; e) alkalizing the extract in order to precipitate nickel (II) hydroxide and cobalt (II) hydroxide, or nickel (II) carbonate and cobalt (II) carbonate, separating the resulting precipitate from the extract to obtain a lithium-containing solution, solubilizing the separated precipitate in hydrochloric acid and then selectively separating nickel ions and cobalt ions from the obtained solution in a column filled with ion exchange resin, wherein the elution of nickel ions is carried out with a hydrochloric acid solution, and the elution of cobalt ions is carried out with water, to obtain a nickel ions solution and a cobalt ions solution, followed by adding oxalate solution to the obtained nickel ion solution and cobalt ion solution in order to precipitate nickel oxalate and cobalt oxalate, and then sep
Resumen de: WO2024072239A1
The invention relates to a method for recycling of lithium-ion cells and batteries, comprising the following steps: a) grinding lithium-ion cells and/or batteries in a grinding device sprayed with an organic solvent and in an inert gas protective atmosphere to form a heterogeneous mixture comprising ground lithium-ion cells and/or batteries and the organic solvent; b) mechanically stirring the heterogeneous mixture obtained in step a) to form a suspension comprising a coarse fraction, black mass and the organic solvent in which the electrolyte from the lithium-ion cells and/or batteries and binders are dissolved; c) separating the suspension obtained in step b) into the coarse fraction and a suspension of the black mass in the organic solvent in which the electrolyte from the lithium-ion cells and/or batteries and the binders are dissolved; and d) separating the suspension obtained in step c) into the black mass and the organic solvent in which the electrolyte from the lithium-ion cells and/or batteries and the binders are dissolved.
Resumen de: CN120077492A
A grinding process includes the step of combining FePO4, Li2CO3, water, a carbon source, and an abrasive to form a slurry, the abrasive of the slurry having structure (I) wherein n of structure (I) is from 1 to 10, and R1 is selected from the group consisting of hydrogen, an alkylphenyl group, a linear or branched primary or secondary alkyl chain, and R2 is selected from the group consisting of hydrogen, a methyl group, an ethyl group, or a combination thereof; and grinding the slurry.
Nº publicación: EP4595147A1 06/08/2025
Solicitante:
TI GROUP AUTOMOTIVE SYSTEMS LLC [US]
TI Group Automotive Systems, LLC
Resumen de: CN119948674A
A double-walled enclosure for thermal management of a battery pack, the double-walled enclosure comprising an inner hollow structure and an outer hollow structure, the inner hollow structure having an inner surface and an outer surface; one or more battery modules are positioned in the inner hollow structure; the outer hollow structure has an inner surface wherein the outer surface of the inner hollow structure is either in contact with or forms at least one channel with the inner surface of the outer hollow structure through which the heat transfer fluid flows. The inner hollow structure is formed from a polymeric material such that the inner hollow structure is in thermal contact with the heat transfer fluid to provide thermal management of the battery pack.
BOPI
Sede Electrónica
