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1358
results.
Updated on
24/12/2025 [07:24:00]
Results 475 to 500 of 1358
Absstract of: EP4664639A1
Provided are a CTP battery pack and a vehicle having the CTP battery pack. The CTP battery pack includes a housing (1) and at least one battery cell module (2). The housing (1) has at least one first accommodating cavity (15). Each battery cell module (2) is disposed in one first accommodating cavity (15) of the at least one first accommodating cavity (15). The at least one first accommodating cavity (15) is filled with foam (3).
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: 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: EP4664622A1
A cover plate (100), a battery (600) and an electronic device is provided. The cover plate (100) includes an integrally formed non-structurally fragile portion (102) and a non-structurally fragile portion (101). The structural strength of the non-structurally fragile portion (101) is lower than the structural strength of the non-structurally fragile portion (102). The non-structurally fragile portion (101) is configured to be destroyed when the battery (600) releases internal pressure. At least part of the outer side of the non-structurally fragile portion (101) is covered with a phosphorus-containing nickel plating layer (103).
Absstract of: EP4664660A1
The present disclosure relates to a secondary battery, and a secondary battery according to one aspect of the present disclosure may include an electrode; an electrode tab including an extension portion extending outward from the electrode and a tab coupling portion provided on one side of the extension portion in the extension direction; an electrode lead coupled to the tab coupling portion and capable of electrically connecting the electrode to the outside; and an auxiliary connecting member coupled to the electrode lead and the extension portion, respectively.
Absstract of: EP4664606A1
The present disclosure provides a battery pack and a device including the same. The battery pack according to an embodiment of the present disclosure comprises: a battery module including a battery cell stack in which a plurality of battery cells are stacked and a module frame in which the battery cell stack is housed; and a pack frame in which the battery module is housed, wherein a cooling flow path through which a coolant flows is formed at the bottom part of the pack frame, an opening is formed at the bottom part of the pack frame, so that the downside part of the module frame and the coolant come into direct contact with each other, and at least one protrusion is formed on the outer surface of the downside part of the module frame.
Absstract of: EP4664633A1
A module frame for a secondary battery according to various embodiments may be configured to accommodate a battery cell stack including multiple battery cells stacked along one direction, wherein the module frame is formed by a composite material-based plate including fiber reinforced plastic; and the plate includes at least multiple layers including a first layer and a second layer and has a layered cross-section symmetrical in the thickness direction of the plate. In addition, other embodiments are possible.
Absstract of: EP4664344A1
A battery drop simulation method including: generating, by at least one processor, a three-dimensional model including an adhesive member for a battery; receiving, by the at least one processor, information associated with the three-dimensional model; estimating, by the at least one processor, an adhesion coefficient of the adhesive member based on the information associated with the three-dimensional model; performing, by the at least one processor, a drop simulation of the three-dimensional model based on the information associated with the three-dimensional model, the adhesion coefficient, and drop condition information; and outputting, by the at least one processor, a drop simulation result of the drop simulation. The drop simulation result includes information about whether or not the adhesive member is separated due to a drop.
Absstract of: EP4663607A1
The present application provides a precursor material and a preparation method therefor, a positive electrode material, a secondary battery, and a power consuming apparatus. The precursor material has a chemical formula of NixCoyMnzMa(OH)2, where element M includes at least one of Zr, Y, Al, Ti, W, Sr, Ta, Mo, Sb, Nb, Na, K, Ca, Ce, and La, 0.55≤x<1.0, 0≤y<0.45, 0≤z<0.45, 0
Absstract of: EP4664542A1
The present application provides a positive electrode active material composition, a positive electrode plate, a battery, and an electrical apparatus. The positive electrode active material composition comprises a first positive electrode active material and a second positive electrode active material having different crystal form from the first positive electrode active material. The second positive electrode active material comprises a phosphate material, and the positive electrode active material composition satisfies: Dv10(1)/Dv50(2)>1, Dv50(1)/Dv50(2)≥1.4 and -2.0≤1 - (ρ2×W2)/(ρ1×W1)≤0.98. Above parameters are as defined herein, respectively.
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: 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: EP4664638A1
A container module is disclosed. The container module according to an embodiment of the present disclosure includes a base frame having a square or rectangular shape; a corner column extended in a top-bottom direction, and connected to a corner of the base frame; a bracket coupled to the corner column, and extended in a front-rear direction; and a battery pack installed on the bracket.
Absstract of: EP4663588A1
A transfer device according to an embodiment of the present disclosure includes a first disk having a disk shape and configured to be rotatable based on the central axis of the disk, a second disk provided above the first disk and having a disk shape, and a gasket interposed between the first disk and the second disk.
Absstract of: EP4664581A1
Provided in the present application are a battery cell, a battery, and an electrical apparatus. The battery cell comprises an electrode assembly which comprises an electrode plate and a separator. The electrode plate comprises a current collector and a film layer which is disposed on at least one surface of the current collector and contains an active material and a liquid absorption polymer, and the electrode plate satisfies: v/λ≥1.2, wherein v represents the liquid absorption rate of the film layer and has a unit of mg/s, and λ represents the porosity of the film layer. The separator comprises a liquid-retaining polymer, and the separator satisfies: (m2-M)/(m1-M) ≥ 25%, wherein M represents the mass of the separator before the separator absorbs an electrolyte solution, and has a unit of g; m1 represents the mass of the separator weighed at ambient pressure after the separator is soaked in the electrolyte solution for 2 h, and has a unit of g; and m2 represents the mass of the separator weighed at a pressure of 10000 N at ambient pressure after the separator is soaked in the electrolyte solution for 2 h, and has a unit of g.
Absstract of: EP4664652A1
The present application provides a separator, a battery cell, a battery, and an electrical apparatus. The separator comprises a separator body and a polymer layer provided on at least one surface of the separator body. The separator satisfies: v/λ>5.00, wherein λ represents the porosity of the separator, v represents the liquid absorption rate of the separator, and the unit of the liquid absorption rate is mg/s.
Absstract of: EP4664651A1
A separator, a battery cell (5), a battery, and an electric device (6). The separator comprises a liquid retention polymer, and the separator satisfies the following formula: (m2-M)/(m1-M)≥25%, wherein M represents the mass of the electrolyte not absorbed by the separator, and the unit thereof is g; m1 represents the mass of the separator weighed under an ambient pressure after having been immersed in the electrolyte for 2 h, and the unit thereof is g; and m2 represents the mass of the separator weighed under a pressure of 10,000 N in the ambient pressure after having been immersed in the electrolyte for 2 h, and the unit thereof is g.
Absstract of: EP4664571A1
The present application provides a battery cell, a battery, and an electrical apparatus; the battery cell comprises an electrode assembly and an electrolyte; the electrode assembly comprises a first electrode plate, a second electrode plate, and a separator; the polarities of the first electrode plate and the second electrode plate are opposite; the separator is arranged between the first electrode plate and the second electrode plate; at least one of the first electrode plate, the second electrode plate, and the separator comprises a lyophilic polymer; and the battery cell satisfies the following formula (I): 0.01%≤yM−M′≤15%
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.
Nº publicación: EP4664610A1 17/12/2025
Applicant:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Absstract of: EP4664610A1
A battery pack (10) includes a battery cell (102), a left cover (112) and a right cover (114) thermally coupled with a predetermined portion of the battery cell (102), and a filler (150) thermally coupled with another predetermined portion of the battery cell (102). The amount of at least a portion of the filler (150) decreases toward the predetermined portion of the battery cell (102).
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