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1659
results.
Updated on
18/12/2025 [07:24:00]
Results 100 to 125 of 1659
Absstract of: EP4663981A1
An object of the present invention is to provide a gasket, a planar shape of which can be easily deformed and which can be easily positioned in a space of a target sealed object, and a sealing structure. A gasket (1), which is capable of sealing a loop-shaped target sealed regions (61, 71) between a pair of members (60, 70) combined with each other, includes a base (22) having a shape along a circumferential direction of the target sealed regions (61, 71), a joint (10), a bending rigidity of which in a width direction is lower than that of the base (22), which is connected to the base (22), and a guide (30) for positioning the gasket (1) in the target sealed regions (61, 71), wherein the guide (30) includes a hole (32) along a joining direction of the pair of members (60, 70), and wherein a positioning pin (50) fixed to the pair of members (60, 70) is inserted in the hole (32).
Absstract of: EP4664563A1
Provided is a binder composition for an electrical storage device that can produce an electrical storage device electrode excellent in surface state, adhesiveness, and ion conductivity, and can improve the cycle life characteristics of an electrical storage device.The binder composition for an electrical storage device according to the present invention includes: a polymer (A); and 30 ppm to 30,000 ppm of an emulsifier (B) with respect to a total mass of the polymer (A). When a total of repeating units in the polymer (A) is defined as 100 mass%, the polymer (A) contains 1 mass% to 50 mass% of a repeating unit (a1) derived from an aromatic vinyl compound, and 20 mass% to 75 mass% of a repeating unit (a2) derived from an unsaturated carboxylic acid ester.
Absstract of: GB2641750A
An electrolyte composition for a lithium-ion battery, the composition comprising: (a) 18-35 wt% of lithium salt; (b) 1-25 wt% of solvent additive; and (c) 45-80 wt% of solvent. The total amount of (a), (b) and (c) is less than or equal to 100 wt% of the electrolyte composition. The lithium salt comprises lithium bis(fluorosulfonyl)imide (LiFSI) and lithium 4,5-dicyano-2-(trifluoromethyl)imidazole (LiTDI). The solvent additive comprises one or more fluorinated and/or unsaturated carbonate compounds, such as fluoroethylene carbonate (FEC), vinylene carbonate (VC) or trifluoro-propylene carbonate (TFPC); and is preferably a mixture of FEC and VC. The solvent comprises a cyclic carbonate and a linear carbonate. The cyclic carbonate may be one or more of ethylene carbonate (EC) and propylene carbonate (PC). The linear carbonate may include one or more of dimethyl carbonate (DMC), ethyl methyl carbonate (EMC) and diethyl carbonate (DEC). The solvent may comprise 35-85 wt% cyclic carbonate and 15-65 wt% linear carbonate. The solvent may include 25-55 wt% EC, 10-45 wt% PC and 15-65 wt% DMC. The solvent additive may further include organosilicon or succinonitrile in an amount up to 5 wt% based on the total amount of electrolyte composition.
Absstract of: EP4664584A1
The present application relates to a 1.5V lithium battery and a manufacturing method thereof. The lithium battery includes a circuit assembly, a plastic frame, a wound battery core assembly, a first metal housing, a second metal housing, a first insulating seal and an insulating sheath. The wound battery core assembly is arranged in the second metal housing, the first metal housing and the second metal housing dock with each other and fixed by circumferential welding, and the circuit assembly includes a PCB, a low-voltage positive cap, a high-voltage positive connecting piece and a negative elastic piece. In the present application, the circuit assembly can stably output a low voltage of 1.5V. An upper end of the wound battery core assembly is located at a shallow position in the second metal housing is shallow, a length of the positive tab is shortened, the positive tab is not long enough to contact an inner wall of the metal housing, and the risk of a short circuit between the positive tab and the metal housing is completely addressed. The first insulating seal and the second insulating seal can prevent an electrolyte from leaking out or entering the first metal housing, thus guaranteeing stable electrical performance.
Absstract of: EP4664550A1
Embodiments of the present application provide a positive electrode plate and a manufacturing method therefor, a battery cell, a battery, and an electrical apparatus. The positive electrode plate includes: a positive electrode current collector; a first coating which is arranged on a surface of at least one side of the positive electrode current collector and includes a first active material; a second coating which includes a second active material that is different from the first active material; and a conductive layer which is arranged between the first coating and the second coating and is used for isolating the first coating from the second coating. The performance of a battery including the positive electrode plate is improved.
Absstract of: EP4664562A1
Provided are a positive electrode plate and a preparation method therefor, a battery cell, a battery, and an electrical apparatus, belonging to the technical field of batteries. The positive electrode plate includes: a positive electrode current collector, a first film layer, a second film layer, and a third film layer, where the third film layer is located between the first film layer and the second film layer, the first film layer is located on a surface of at least one side of the positive electrode current collector and is closer to the positive electrode current collector than the second film layer; the first film layer includes a first active material, and the first active material includes a layered structure material; the second film layer includes a second active material, and the second active material includes at least one of an olivine structure material and a spinel structure material; and the third film layer is used for isolating the first active material from the second active material. The technical solutions in the embodiments of the present application are beneficial to enhancing the performance of the battery cell.
Absstract of: EP4663817A1
A surface-treated steel sheet according to one aspect of the present invention is a surface-treated steel sheet including: a base steel sheet; a Ni-containing layer disposed on a surface of the base steel sheet; and a Ni-W alloy layer disposed on a surface of the Ni-containing layer, wherein the Ni-containing layer includes an Fe-diffused alloy layer, and a number density of pinholes on a surface of the Ni-W alloy layer is 4.0 /cm<sup>2</sup> or less. Preferably, an average W concentration in the Ni-W alloy layer is 10 to 45 mass%. Preferably, an attached amount of Ni included in the Ni-containing layer and the Ni-W alloy layer is 1.8 to 35.6 g/m<sup>2</sup>.
Absstract of: EP4663816A1
A surface-treated steel sheet according to one aspect of the present invention is a surface-treated steel sheet including: a base steel sheet; a Ni-containing layer disposed on a surface of the base steel sheet; and a Ni-W alloy layer disposed on a surface of the Ni-containing layer, wherein the Ni-containing layer includes an Fe-diffused alloy layer, and the surface-treated steel sheet includes a W depletion layer in a range from a surface of the Ni-W alloy layer to a depth of 10 nm. In a method for manufacturing a surface-treated steel sheet according to another aspect of the present invention, an atmospheric dew point in annealing is set to -25 to 5°C, a soaking time in the annealing is set to 10 to 180 seconds, and a maximum temperature in the annealing is set to 630 to 860°C.
Absstract of: EP4664560A1
To provide an active material and a solid electrolyte capable of improving the performance of lithium sulfur batteries. An active material comprising: a compound; andan electroconductive material, wherein the compound contains a lithium (Li) element, a sulfur (S) element, a phosphorus (P) element, an iron (Fe) element, and a halogen (X) element, the compound has a peak at positions 2θ = 27.1° ± 0.5° and 31.4° ± 0.5° in an X-ray diffraction pattern measured with an X-ray diffractometer using Cu Kα1 radiation, and the active material satisfies relationship (1), (2), (3) and (4) shown below: (1) 5.8 ≤ Li/(Fe+P) ≤ 10.0, (2) 0.1 ≤ X/(Fe+P) ≤ 1.4, (3) 0.2 ≤ X+Fe ≤ 2.0, (4) 0.0 < Fe/(Fe+P) < 1.0, wherein (1) defines a molar ratio of the lithium (Li) element to a sum of the iron (Fe) element and the phosphorus (P) element, (2) defines a molar ratio of the halogen (X) element to the sum of the iron (Fe) element and the phosphorus (P) element, (3) defines a sum of mole numbers of the halogen (X) element and the iron (Fe) element, and (4) defines a molar ratio of the iron (Fe) element to the sum of the iron (Fe) element and the phosphorus (P) element.
Absstract of: EP4664689A1
A rotary connector in which relative movement between a rotary spacer and an outer peripheral electrode or an inner peripheral electrode is favorable is provided. A rotary connector 1 includes an annular outer peripheral electrode 30, an inner peripheral electrode 2 inserted into the outer peripheral electrode 30 and arranged so as to be turnable relatively to the outer peripheral electrode 30, a plurality of roller current collectors 4 arranged in the circumferential direction between the outer peripheral electrode 30 and the inner peripheral electrode 2, the roller current collectors being in contact with the outer peripheral electrode 30 and the inner peripheral electrode 2, rotary spacers 5 each of which is arranged between the roller current collectors 4, and a pair of guide plates 31, 32 that support the rotary spacers 5 on both sides in the axial direction, and an orbital path of the rotary spacers 5 and an orbital path of the roller current collectors 4 are different from each other.
Absstract of: EP4663403A1
The present application provides a lithium carbon composite belt and a preparation method therefor. The lithium carbon composite belt comprises a substrate, a metal lithium transition layer on each side of the substrate, and a lithium carbon composite material layer on an outer layer of the metal lithium transition layer, wherein a mass fraction of carbon in the lithium carbon composite material layer is in a range from 5% to 90%. The substrate layer of the lithium carbon composite belt provides high tensile performance for the lithium carbon composite belt, which is suitable for large scale industrial production. The metal lithium transition layer makes the substrate layer tightly bound with the lithium carbon composite material layer, avoiding the problem of forming bumps during the production of the lithium carbon composite belt. The presence of the metal lithium transition layer can effectively reduce the internal resistance of the lithium carbon composite belt. The lithium in the transition layer is active lithium, and thus can also participate in the battery cycling process, so as to compensate the consumption of the metal lithium in the lithium carbon layer. The lithium carbon composite material layer contains a carbon skeleton, which can not only provide a reserved space for metal lithium deposition, inhibiting the volume change of the metal lithium during the cycling, but also effectively reduce local current density on an electrode, preventing the formation of lithi
Absstract of: EP4664594A1
A nonaqueous electrolyte solution capable of improving a low-temperature (-30°C) output characteristic after a high-temperature (70°C) storage test (resistance after high-temperature storage) and a post-overdischarge discharge capacity retention rate after a high-temperature (70°C) storage test in a well-balanced manner and a nonaqueous electrolyte solution battery are provided. A nonaqueous electrolyte solution containing (1-1) a compound represented by the general formula 1a described in the specification and (I-2) at least one selected from the group consisting of a compound represented by the general formula 1b and a compound represented by the general formula 1b' in which a (I-2) content in the nonaqueous electrolyte solution is 10 to 25000 ppm by mass.
Absstract of: EP4664538A1
Disclosed is a negative electrode mixture constituting a negative electrode layer, the negative electrode mixture containing: particles of a solid electrolyte; and particles of an electroconductive material which are disposed on a surface of the particles of the solid electrolyte. Preferably, the solid electrolyte includes a crystal phase having an argyrodite-type crystal structure. Preferably, the electroconductive material is a carbon material or a metal material. Also preferable is a slurry containing: the negative electrode mixture; a binder; and a solvent, wherein the slurry has a viscosity of from 0.05 to 3 Pa·s at 25°C and at a shear rate of 10 (1/s).
Absstract of: EP4664548A1
Disclosed is a negative electrode including a negative electrode charge collector, and a negative electrode layer that is disposed on the negative electrode charge collector and contains solid electrolyte particles. The value of (D<sub>90</sub>-D<sub>10</sub>)/D<sub>50</sub> is less than 10.0, where D<sub>10</sub>, D<sub>50</sub>, and D<sub>90</sub> are defined as cumulative volume particle diameters of the solid electrolyte particles at cumulative volumes of 10 vol%, 50 vol%, and 90 vol% respectively, as measured according to a laser diffraction/scattering particle size distribution measurement method. The negative electrode contains no negative electrode active material. Preferably, a cumulative volume particle diameter D<sub>95</sub> of the solid electrolyte particles at a cumulative volume of 95 vol% as measured according to the laser diffraction/scattering particle size distribution measurement method is less than 65 µm.
Absstract of: EP4663319A1
A method for manufacturing a cylindrical member (10) includes a preparation step of preparing a workpiece (20) and a bending processing step of bending an end portion (23) of the workpiece (20) to an inner circumferential side using a lower die (40) and an upper die (30). A recessed processing surface (31) of the upper die (30) includes a first portion (311) and a second portion (312). The first portion (311) extends toward a side opposite to the workpiece (20) in the axial direction and toward the inner circumferential side of the workpiece (20). The second portion (312) has a linear shape and extends from the first portion (311) to the inner circumferential side of the workpiece (20). In the bending processing step, the first portion (311) guides the end portion (23) to the inner circumferential side of the workpiece (20), and the second portion (312) clamps the end portion (23) together with the lower die (40).
Absstract of: EP4664580A1
A battery 100 of the present disclosure includes a positive electrode 23, a negative electrode 26, a separator 27, and an electrolyte solution 29. The positive electrode 23 includes, as a positive electrode active material, a lithium oxide in which a transition metal is dissolved to form a solid solution, the lithium oxide having an antifluorite crystal structure. The electrolyte solution 29 includes at least one additive selected from the group consisting of an organophosphorus compound and an organophosphite compound. The electrolyte solution 29 may further include a non-aqueous solvent, and the additive may be dissolved in the non-aqueous solvent.
Absstract of: EP4663587A1
Die Erfindung betrifft einen Greifer (10) zum Aufnehmen und Greifen von einzelnen blattförmigen Elektroden (50) im Zuge der Herstellung einer Batteriezelle, mit einer Saugvorrichtung (14) zum Ansaugen der jeweils zu greifenden Elektrode (50). Um ein prozesssicheres Zuführen aus einem Magazin vereinzelter Elektroden bei hoher Qualität des herzustellenden Batteriestapels zu ermöglichen schlägt die Erfindung gemäß einer Alternative vor, dass der Greifer (10) ein erstes Greifersegment (26.1) und ein zweites Greifersegment (26.2) aufweist, wobei die Saugvorrichtung (14) eine an dem ersten Greifersegment (26.1) angeordnete erste Saugeinrichtung (28.1) zum Ansaugen eines ersten Bereichs der zu greifenden Elektrode (50) und eine an dem zweiten Greifersegment (26.2) angeordnete zweite Saugeinrichtung (28.2) zum Ansaugen eines zweiten Bereichs der zu greifenden Elektrode (50) aufweist, wobei der Greifer (10) weiter eine Verschiebeeinheit (16) zum relativen Verschieben des ersten und zweiten Greifersegments (26.2, 26.2) mit wenigstens einer Richtungskomponente parallel zur Oberfläche der zu greifenden Elektrode (50) aufweist.
Absstract of: EP4663451A1
A temperature management system and method for regulating the temperature of a thermal load. The temperature management system comprises a closed circuit and a main coolant pump configured to circulate a coolant through the closed circuit, wherein the closed circuit and the thermal load are thermally connected. The temperature management system is characterized in that a section of the closed circuit is divided into a main branch and a temperature management branch, wherein the main branch is configured to hold a constant differential pressure between its starting point and its endpoint independent of variations in flow and the temperature management branch comprises a cooling and/or heating module. In addition, a flow control module is configured to control the flow of coolant through the temperature management branch, such that a regulated flow that is associated with a target flow rate is directed through the temperature management branch while any remaining flow is directed through the main branch.
Absstract of: EP4664744A1
There is provided a battery module comprising: a housing, a first group of energy source units, wherein the energy source units are arranged in the housing along a first direction and connected in series, a second group of energy source units, wherein the energy source units are arranged in the housing along the first direction and connected in series and a third group of energy source units, wherein the energy source units are arranged in the housing along the first direction and connected in series, wherein the first group of energy source units is configured to output a first output voltage of the battery module for constituting a first phase of an AC signal, wherein the second group of energy source units is configured to output a second output voltage of the battery module for constituting a second phase of the AC signal, and wherein the third group of energy source units is configured to output a third output voltage of the battery module for constituting a third phase of the AC signal.
Absstract of: EP4664061A2
A monitoring device according to one embodiment disclosed herein may include a communication circuit, a processor, and a memory configured to store instructions, wherein, when executed by the processor, the instructions allow the monitoring device to acquire an image of a jelly roll including a positive electrode, a separator, and a negative electrode through the communication circuit, detect starting points of the positive electrode and the negative electrode from the image, and calculate input amounts of the positive electrode and the negative electrode included in the jelly roll based on the starting points.
Absstract of: EP4664567A1
Provided is a metal foil for a current collector that can have increased adhesiveness to an electrode mixture layer while maintaining the discharge capacity of a battery. The metal foil for a current collector according to the present disclosure includes a base material and a plurality of composite bodies held on the surface of the base material. The plurality of composite bodies include Ni particles having an average particle size of 20 µm or less, a sintered body formed by sintering a plurality of the Ni particles, and a resin with a volume% of 14.0 to 40.0. On a surface of the metal foil for a current collector, the number of peaks whose height from the surface of the base material is larger than 10 µm is 20.0 to 50.0 /mm, the peaks being identified through line roughness analysis.
Absstract of: EP4664717A1
An information terminal acquires a plurality of error items indicating an error that has occurred in each of a plurality of batteries determined on the basis of an operation history of a plurality of state items indicating a plurality of states of the plurality of batteries, when selection of one error item of one battery among the plurality of error items having been acquired is received, acquires a related state item indicating a state item related to the one error item selected from among the plurality of state items of the one battery, and displays an operation history of the related state item having been acquired.
Absstract of: EP4664716A1
An information terminal acquires a plurality of abnormal state items indicating a state item for which an abnormal value is detected from among a plurality of state items indicating a plurality of states of a plurality of batteries, upon receiving selection of one abnormal state item of one battery among the plurality of abnormal state items having been acquired, acquires a related state item indicating a state item related to the one abnormal state item having been selected from among the plurality of state items of the one battery, and displays an operation history of the related state item having been acquired.
Absstract of: EP4664568A1
Disclosed are electrode substrates for rechargeable lithium batteries, and rechargeable lithium batteries including the electrode substrates. The electrode substrate for a rechargeable lithium battery includes a support layer that includes a polymer resin matrix and a fiber, and a metal layer on at least one surface of the support layer. An average cross-sectional diameter of the fiber is in a range of about 0.1 µm to about 10 µm.
Nº publicación: EP4664579A1 17/12/2025
Applicant:
TECHTRONIC CORDLESS GP [US]
Techtronic Cordless GP
Absstract of: EP4664579A1
The present invention provides a cylindrical battery with expansion tape. The cylindrical battery comprises an outer housing and a wound core accommodated in the outer housing, wherein the wound core is obtained by winding and flattening a positive electrode sheet, a negative electrode sheet and a separator. The wound core comprises a positive electrode end face and a negative electrode end face, and expansion tape is wound around an outer periphery of the wound core. At least at a positive electrode end of the wound core, before expansion of the expansion tape, the top of the expansion tape is level with or higher than the top of the separator. The cylindrical battery with expansion tape of the present invention is able to reduce the risk of short circuits due to aluminum foil folding over and coming into contact with an outer housing, and also conforms to an existing structural tolerance design, so will not give rise to new, secondary problems.
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