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1314
resultados
Última actualización
10/09/2025 [07:16:00]
Resultados 1100 a 1125 de 1314
Resumen de: EP4607647A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core including a forming agent, and a shell surrounding the core, wherein the shell includes a polymer having a melting point of 90 °C to 120 °C.
Resumen de: EP4607646A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core, and a shell surrounding the core, wherein the core includes a flame retardant, a fire extinguishing agent, a non-combustible material, or a combination thereof, and the shell includes a polymer having a melting point of 90 °C to 120 °C.
Resumen de: WO2024083923A1
The present invention relates to mixed phase layered sodium metal oxide materials, which have been found to have properties that are advantageous for use of the materials in sodium-ion batteries. The present invention also relates to a method of forming such materials via a sol-gel route. Electrodes comprising the layered sodium metal oxide materials as well as energy storage devices comprising the layered sodium metal oxide materials are also considered.
Resumen de: EP4607606A1
The method for manufacturing anode materials of a lithium metal battery according to the present invention includes the steps of preparing a current collector substrate foil; pretreating the first surface of the current collector substrate foil by coating graphene thereon using a wet or dry method; pretreating the second surface, which is the opposite side of the current collector substrate foil, by coating graphene thereon using a wet or dry method; forming an anode material by laminating a lithium metal foil onto both sides of the graphene-pretreated substrate using a press roll; and winding the laminated anode material.
Resumen de: EP4606843A1
Provided is a fiber-reinforced resin composite material containing a thermoplastic resin composition (X) and an inorganic fiber material (Y), in which the thermoplastic resin composition (X) contains a thermoplastic resin and a phosphorus-based flame retardant, the phosphorus-based flame retardant contains an intumescent flame retardant, and the inorganic fiber material (Y) has an elongation at maximum load of 5% or less. It is possible to provide a fiber-reinforced resin composite material having both high flame shielding property and strength against shock waves.
Resumen de: EP4606842A1
Provided is a composite sheet containing a thermoplastic resin composition (X) and inorganic fibers (Y), in which the thermoplastic resin composition (X) contains a thermoplastic resin and a thermally expandable flame retardant, and the composite sheet has a density of 1.3 g/cm<sup>3</sup> or less. It is possible to provide a composite sheet having high flame shielding property and light weight property.
Resumen de: EP4606511A1
A metal foil laser cutting method includes, for example, intermittently irradiating a metal foil that forms an electrode of a battery and that serves as a workpiece with a pulse of a laser light of which energy per pulse is 2 mJ or more and 100 mJ or less and of which rise time is 2 µs or shorter to laser cut the workpiece. The pulse may intermittently be emitted at a frequency of 500 kHz or less. The metal foil may have a thickness of 500 µm or less. The metal foil may have a site covered by a coating and a site not covered by a coating.
Resumen de: EP4607645A1
Provided are an additive for a rechargeable lithium battery, an electrolyte a rechargeable lithium battery including the same, and a rechargeable lithium battery, the additive including a core including polyethylene wax, and a shell surrounding the core, wherein the shell includes a polymer having a melting point of 90 °C to 120 °C.
Resumen de: CN120092024A
The present invention relates to vinylidene fluoride copolymers comprising repeating units derived from hydrophilic monomers comprising carboxyl groups, whereby these polymers have ethyl carbonate end groups; and to the use thereof as a binder for electrodes in Li-ion batteries.
Resumen de: EP4607751A1
An object of the present disclosure is to provide a power feeding system capable of improving the working efficiency. A power feeding system (10) for feeding power to an electric tool (21) which is hand-holdable. The power feeding system (10) includes a first storage battery (111), a feed circuit (112), a second storage battery (211), and a tool holder (12). The feed circuit (112) is configured to convert alternating-current power from a commercial power supply (300) into direct-current power and feed the direct-current power to the first storage battery (111). The second storage battery (211) is internal to the electric tool (21) or is internal to a battery pack (22) attachable to the electric tool (21). The tool holder (12) is capable of holding a battery-equipped electric tool (2) and is configured to, while holding the battery-equipped electric tool (2), feed electric power of the first storage battery (111) to the second storage battery (211). The battery-equipped electric tool (2) is the electric tool (21) to which the second storage battery (211) is internal or the electric tool (21) with the battery pack (22) attached, the second storage battery (211) being internal to the battery pack (22).
Resumen de: EP4607216A1
In a data interpolation system 10, a data acquirer 111 acquires battery data including at least time-series data of a current and SOC (State Of Chage). A missing part judgment unit 113 judges whether or not the battery data includes a missing section. An interpolation unit 115 interpolates battery data in the missing section based at least on battery data in a section other than the missing section. When at least one of the states before and after the missing section is a charging state, the interpolation unit 115 interpolates current data in the missing section so that a discharge amount and a charge amount correspond in a charging/discharging period from SOC in the charging state immediately after the missing section to corresponding SOC found in the past direction or in a charging/discharging period from SOC in the charging state immediately before the missing section to corresponding SOC found in the future direction.
Resumen de: EP4606844A1
Problem To provide a biaxial polyamide film, which is suitable for cold molding and which is excellent in cold moldability, has excellently low hygroscopicity, and can be used for the outermost layer of a battery external material even in a single membrane form.Solution This biaxially oriented polyamide film for cold molding comprises 80-100 mass% of polyamide 11, wherein in a direction in which an F30/upper yield stress value, which is a value obtained by dividing stress (F30) with a 30% elongation by upper yield stress, is larger among the film flow direction and the film width direction, the F30/upper yield stress value is 2.0-3.0.
Resumen de: EP4607741A1
An electronic device having a control unit and a first battery, wherein, when a second battery is provided to a cover member attached to a device main body, and a residual power of the second battery is a pre-determined reference value or higher, the control unit switches a supply of power for some electronic components provided to the device main body from the first battery to the second battery.
Resumen de: EP4607539A1
The present invention pertains to a sulfide solid electrolyte that contains Li, P, S, and Ha, and that has an argyrodite-type crystal structure. The crystal structure has a plurality of PS4 tetrahedrons T1 in which a part of elements is optionally substituted. In the sulfide solid electrolyte, 16 elements that serve as apexes of the PS4 tetrahedrons T1 exist in a unit lattice, and the average value of the distance Δ, obtained by making said elements correspond to the S element positions at 16e sites of a PS4 tetrahedron T2 of a space group F-43m, is 0.05-0.30 Å.
Resumen de: CN120077077A
The present invention relates to vinylidene fluoride polymers containing ethyl carbonate end groups and to the use thereof as binders for electrodes in secondary batteries.
Resumen de: CN119631266A
A system may include a battery pack having battery cell portions connected in series, where each battery cell portion includes a battery cell and a bypass switch. The system may also include a control circuit. The control circuit can determine the capacity of a specific battery cell in the specific battery cell part; determining that the capacity of the particular battery cell is less than a predefined threshold; and responsively performing a bypass sequence on the particular battery cell. The bypass sequence may involve determining a bypass period for bypassing the particular battery cell based on a capacity of the particular battery cell and sending a bypass signal to the driver circuit. The drive circuit may receive a bypass signal and responsively operate a bypass switch of the particular cell portion to bypass the particular cell during a bypass period.
Resumen de: US2024136536A1
Electrochemical cells and methods of providing over-discharge protection of the same are disclosed. An electrochemical cell may include a cathode, an anode, a separator, and an electrolyte. The cathode may include a cathode current collector and a cathode active material disposed on at least a portion of the cathode current collector. The anode may include an anode current collector and an anode active material disposed on at least a portion of the anode current collector. The anode current collector may include an anode conductive material and a lithophilic metal layer disposed on the anode conductive material. The lithophilic metal layer may define an outer surface of the anode current collector. The separator may be arranged between the anode and the cathode to prevent direct contact between the anode and the cathode. The electrolyte may transport ions between the cathode and the anode.
Resumen de: CN120051868A
Electrochemical cells and methods of forming the same are described. An electrochemical cell includes an anode, a cathode, a separator, and a liquid electrolyte. The cathode includes an active material, a conductive material, a binder, and a gelling electrolyte. The separator is disposed between the anode and the cathode. The separator is configured to prevent direct contact between the anode and the cathode. The liquid electrolyte transports ions between the cathode and the anode.
Resumen de: EP4607750A1
A battery control system (1) includes: pressure application means (16) that applies pressure to a battery module (2) by pressing the battery module (2) along a stacking direction of battery cells (21) having a negative electrode including a solid electrolyte and lithium; a controller (10) that adjusts the value of the pressure by controlling the pressure application means (16); and discharge means (15) that executes balancing of remaining discharge capacities among the battery cells (21) in the battery module (2); wherein the controller (10) starts a first pressurization control for increasing the pressure by the pressure application means (16) to a predetermined pressure or higher before the balancing is started.
Resumen de: EP4607641A1
In order to solve the problems of poor liquid retention capacity and poor cycle performance of a gel polymer electrolyte, provided is a lithium ion electrolytic solution, comprising a lithium salt, an organic solvent, a precursor, and an additive, wherein the additive comprises one or two of a zero-dimensional carbon nanomaterial and a quasi-zero-dimensional carbon nanomaterial, and a plasticizer. The gel polymer electrolyte is formed after the described lithium ion electrolytic solution is polymerized, has good liquid retention capacity, can keep good interfacial compatibility with an electrode, improves the interface resistance, and improves the normal-temperature cycle performance of the lithium ion battery. In addition, further provided is a corresponding lithium ion battery.
Resumen de: EP4607644A1
An electrolyte solution of a lithium-ion battery and a lithium secondary battery. The electrolyte solution of a lithium-ion battery comprises an organic solvent, a lithium salt and an additive, wherein the organic solvent comprises fluorinated ethylene carbonate accounting for at least 5% of the total mass of the electrolyte solution, the additive comprises an additive A containing one or more compounds which have three or more carbon-carbon double bonds, and the electrolyte solution does not comprise a compound containing a sulfonyl group. The electrolyte solution of a lithium-ion battery is not only more environmentally friendly, but can also improve the swelling of the battery during the formation and high-temperature storage thereof, the discharge capacity of the battery, and the self-discharge performance of the battery under a high voltage.
Resumen de: EP4607629A1
Disclosed is a mandrel feeding device and a battery winder. The mandrel feeding device has a dispensing station, an adjusting station and an adhesive application station. The mandrel feeding device includes: a transferring apparatus capable of moving to the dispensing station, the adjusting station, and the adhesive application station; a dispensing apparatus provided at the dispensing station and configured for storing mandrels and sequentially outputting mandrels one by one, wherein the transferring apparatus, when moved to the dispensing station, is capable of receiving the mandrels output by the dispensing apparatus; an adjusting apparatus provided at the adjusting station and configured for causing a mandrel, which is transferred to the adjusting station by the transferring apparatus, to rotate, until the positioning portion of the mandrel is located at the preset position; an adhesive application apparatus provided at the adhesive application station and configured for applying a double-sided adhesive layer onto a mandrel transferred to the adhesive application station by the transferring apparatus; a feeding apparatus configured for gripping a mandrel on the transferring apparatus and transferring gripped mandrel to a winding mechanism.
Resumen de: FI20225954A1
A battery module (100) comprising a plurality of battery cells (110), a busbar assembly (120) configured to electrically couple the battery cells (110), a housing (130) having an inner space (132), and the plurality of battery cells (120) being arranged in the inner space (132), a plurality of recesses (140) in the inner space (132) of the housing (130), the battery cells (110) being arranged towards the recesses (140), wherein the recess (140) has rotationally asymmetric shape relative to a central axis (116) of the corresponding battery cell (110), and a filler (150) arranged in the recess (140) and attached to the battery cell (110), whereby the recess (140) prevents the filler (150) and the battery cell (110) being rotated by the rotationally asymmetric shape of the recess (140).
Resumen de: WO2024080887A1
A method of solvent and electrolyte extraction and recovery of electrode powder from lithium-ion cells, from a batch mixture containing solvents, the electrolyte and anode and cathode powders, obtained during low temperature separation and fractioning of used lithium-ion batteries on sieves, characterised in that solvent with electrolyte containing non-magnetic metal compounds are separated from the mixture batch in the reactor. Next, the electrolyte is separated from the anode and cathode powder through extraction using a solvent mixture, while the solvent mixture is separated from the electrolyte through vacuum evaporation. Next, the subsequent portions of the anode and cathode powder are separated from the subsequent batch portions fed to the reactor, obtaining the subsequent portions of the solvent mixture with the electrolyte, The solvents are separated from the electrolyte salts and added to the previously recovered solvents from the previous portions of the mixture of solvents and of the electrolyte. The thus obtained solvent mixture is returned to the reactor and subjected to extraction, recovering the subsequent quantities of the solvent mixture with the electrolyte, separated from the cathode and anode powder,
Nº publicación: EP4605484A1 27/08/2025
Solicitante:
DOW GLOBAL TECHNOLOGIES LLC [US]
Dow Global Technologies LLC
Resumen de: CN120051544A
The polyurethane adhesive may include an isocyanate prepolymer and a polyol component. The isocyanate prepolymer is the reaction product of from 35% to 95% by weight of a polyisocyanate and from 65% to 5% by weight of a non-dimer acid-based polyester polyol. The non-dimer acid-based polyester polyol may include the reaction product of a primary polyol having a hydroxyl functionality of at least 3 and a weight average molecular weight of 800 g/mol or less, a C4 to C20 non-dimer acid dicarboxylic acid, and a C10 to C20 aliphatic monocarboxylic acid. The polyol component comprises from 20% to 80% by weight of a hydrophobic polyol, from 3% to 15% by weight of a phosphate modified polyol, and from 10% to 30% by weight of a vegetable oil polyurethane polyol.
BOPI
Sede Electrónica
