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1212
resultados
Última actualización
18/01/2026 [07:06:00]
Resultados 425 a 450 de 1212
Resumen de: EP4679524A1
The present application discloses a positive electrode active material, a preparation method thereof, a battery cell, and a power consuming apparatus. The positive electrode active material includes a lithium-containing phosphate, a charge capacity per gram of the positive electrode active material at 25°C is denoted as C1, the charge capacity per gram of the positive electrode active material at 60°C is denoted as C2, both units are mAh/g, and C2/C1≥1.020. The positive electrode active material provided in the present application can improve a cycle performance of a battery.
Resumen de: EP4679613A1
An electrode tab bonding equipment according to an embodiment of the present disclosure includes: a transfer member that transfers an electrode including an electrode current collector; a tab clamp jig that moves an electrode tab on one surface of the electrode current collector or pulls the electrode tab; a tensile force measuring device provided in the tab clamp jig; a bonding member that bonds the electrode tab on the electrode current collector; and at least one electrode clamp jig that fixes the electrode.
Resumen de: EP4679585A1
The secondary battery according to the present disclosure includes an electrode assembly in which a positive electrode with a protruding positive electrode tab, a separator, and a negative electrode with a protruding negative electrode tab are alternately stacked; and a pouch accommodating the electrode assembly, wherein the pouch is formed by stacking an inner resin layer, a metal layer, and an outer resin layer from the inner side where the electrode assembly is accommodated to the outer side, the pouch has a portion of the inner resin layer opened so that a first exposed portion of the metal layer is exposed to the inner side of the pouch and a portion of the outer resin layer opened so that a second exposed portion of the metal layer is exposed to the outer side of the pouch, and any one of the positive electrode tab and the negative electrode tab is in contact with the first exposed portion.
Resumen de: GB2642009A
A battery management system (BMS) having a printed circuit board (PCB) with a diagonal arrangement for use in a Li-ion battery, a Li-ion battery having a battery management system (BMS) having a printed circuit board (PCB) with a diagonal arrangement, and a BMS having a printed circuit board with diagonal arrangement method.
Resumen de: EP4679553A1
The present disclosure relates to a lithium secondary battery electrolyte comprising a phosphorofluoridate compound represented by chemical formula 1 and a lithium secondary battery comprising same. The lithium secondary battery comprising the electrolyte according to one embodiment produces an output that does not degrade even under high voltage, and has excellent lifespan characteristics, a high capacity recovery rate at high temperature, and excellent storage stability. In addition, the lithium secondary battery comprising the electrolyte according to one embodiment has excellent output characteristics resulting from reduced internal resistance of the battery, and exhibits excellent cycle characteristics and stability even when charged under high temperature and high voltage.
Resumen de: EP4679546A1
A separator adhesion apparatus according one embodiment of the present disclosure adheres stacked separators of an electrode assembly in which a separator and an electrode are alternately stacked, the separator adhesion apparatus comprising: a main body, and a first adhesive member and a second adhesive member provided on an outer surface of the main body, wherein the first adhesive member is disposed so as to adhere the separator in a direction perpendicular to an advancing direction of the electrode assembly, and wherein the second adhesive member is disposed so as to adhere the separator along an advancing direction of the electrode assembly.
Resumen de: EP4679527A1
A positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric apparatus are provided. The positive electrode active material includes: NaxMnaCubM1cM2dM3eO2+f-gRg, where M1 includes an element capable of forming a cation with a valence of +2 or less, M2 includes an element capable of forming a cation with a valence of +3, M3 includes an element capable of forming a cation with a valence of +4 or higher, R includes a Group VIIA element, 0.67 ≤ x ≤ 1.2, a + b + c + d + e = 1, a > 0, b > 0, c ≥ 0, d ≥ 0, e ≥ 0, -0.1 ≤ f ≤ 0.1, 0 ≤ g ≤ 0.05, and (I).
Resumen de: EP4679534A1
An object of the present invention is to provide: a carbon material that suppresses diffusion resistance of the secondary battery and improves rapid charging characteristics of the secondary battery when the carbon material is used in a negative electrode of the secondary battery; and a method for manufacturing the carbon material. The present invention relates to a carbon material containing graphite particles. The graphite particles are natural graphite coated with an amorphous carbonaceous substance. Moreover, in an electrode fabricated by adding a binder resin and a dispersion medium to the carbon material to form a slurry, applying the slurry to a metal current collector, drying the applied slurry to form an active material layer on the metal current collector, and then pressing the active material layer such that the active material layer has a density of 1.65 g/cm<sup>3</sup>, an orientation parameter intensity ratio I(002)/I(110) calculated from an intensity ratio of peaks corresponding to lattice planes (110) and (002), and I(002) and I(110) are obtained by a wide-angle X-ray diffraction measurement, is from 200 to 1200.
Resumen de: EP4679606A1
An energy storage apparatus according to the present embodiment includes a plurality of energy storage devices arranged in a first direction, the plurality of energy storage devices each including a gas release valve facing a second direction a pair of end members disposed on both sides of the plurality of energy storage devices in the first direction and a duct portion that overlaps the gas release valve in the second direction, and the duct portion includes a duct portion main body extending in the first direction a joint portion capable of releasing gas guided to one end of the duct portion main body in the first direction to an other member and an engaging portion that is disposed at the one end of the duct portion main body and engages with an end member.
Resumen de: EP4679605A1
Provided in this embodiment is an electric storage apparatus includes: a plurality of electric storage devices arranged in a first direction and each including a gas release valve directed in a second direction orthogonal to the first direction; a duct part disposed to overlap the gas release valve of each of the electric storage devices in the second direction; an adjacent member including a body located between each adjacent ones in the first direction of electric storage devices, and a locking piece extending from the body along the duct part in a direction away in the second direction from the body to lock the duct part; and an abutment part in abutment with the locking piece from an opposite side to the duct part in a third direction orthogonal to each of the first direction and the second direction.
Resumen de: EP4679604A1
An energy storage apparatus of an embodiment includes: a plurality of energy storage devices including a gas release valve and arranged in a predetermined direction; an elongated member; a sandwiched member sandwiched between the plurality of energy storage devices and the elongated member; and an adjacent member disposed between the energy storage devices. The adjacent member includes an adjacent member main body located between the energy storage devices, and a locking piece. The locking piece includes a locking piece main body extending from the adjacent member main body along the elongated member in a facing direction of the gas release valve and the elongated member, and a locking portion extending in an extending direction of the elongated member from a position spaced apart from the adjacent member main body in the locking piece main body, or a locking portion extending in a direction orthogonal to the facing direction and away from the elongated member.
Resumen de: EP4679509A1
The present disclosure provides a composite separator including a porous substrate and a porous active layer. The porous active layer is disposed on at least one surface of the porous substrate, the porous active layer includes a base coating layer and non-adhesive organic particles C embedded in the base coating layer. The base coating layer includes inorganic particles A and adhesive polymers B, and the base coating layer and the porous substrate are bonded by the adhesive polymers B. The average thickness of the base coating layer is h, h≥0.5µm. The ratio of a mass of the non-adhesive organic particles C to a mass of the base coating layer is (2 to 20):(70 to 90). The particle size distribution of the non-adhesive organic particles C satisfies (a) and (b): (a) 1
Resumen de: EP4679575A1
A battery (100) and an electronic apparatus are provided. The battery (100) includes an outer casing (1) including an opening and a cover plate (2) closing the opening. A portion of the cover plate (2) adjacent to an edge protrudes toward an inner cavity of the outer casing (1) to form a boss (21) embedded into the opening. A side of the boss (21) away from the inner cavity of the outer casing (1) includes a groove (22), and a portion of the cover plate (2) located at a radial outer side of the boss (21) forms a connecting edge (24) overlapping an end portion of the outer casing (1). An inner wall of the groove (22) includes a bottom wall (222) and an outer groove wall (223) surrounding the bottom wall (222). A stamped groove (23) is provided between the bottom wall (222) and the outer groove wall (223).
Resumen de: EP4679545A1
Disclosed is a hot-pressing apparatus, which comprises a hot-pressing drive mechanism, a first hot-pressing mechanism, a second hot-pressing mechanism, a diaphragm clamping mechanism and a jacking mechanism. Before transferring the battery cell, the supporting assembly may be driven first to jack a part of the diaphragm, thus forming the transferring-supporting surface above the second hot-pressing plate. The jaw first places the battery cell on the transferring-supporting surface, the transferring-supporting surface may contact only a part of the battery cell to allow the jaw to be suspended, and once the jaw is released, it can be withdrawn. Next, the jacking mechanism withdraws to flatten the diaphragm, and the battery cell will be borne on the diaphragm steadily. As the hot-pressing drive mechanism drives the first hot-pressing plate and the second hot-pressing plate close to each other, the first hot-pressing plate may press the diaphragm and the battery cell borne on the diaphragm against the second hot-pressing plate. It is clear that in a process of transferring the battery cell to the second hot-pressing plate, the use of the diaphragm for transferring may prevent the battery cell from shaking or tilting, thus placing the battery cell steadily. (FIG. 1)
Resumen de: EP4679594A1
Provided are a battery pack and an electric apparatus, which relates to the technical field of batteries. The battery pack includes a box (10), a cold plate (22) and a cell assembly (30). The box (10) is provided with an accommodation space. The cell assembly (30) is located in the accommodation space and includes multiple cells (31). The multiple cells (31) are arranged in a horizontal plane and are disposed at equal spacing. A potting adhesive is filled in the cell assembly. The cold plate (22) fits an upper side and/or a lower side of the cell assembly (30) and the potting adhesive.
Resumen de: EP4679588A1
This power storage device is provided with: an electrode body; an outer package in which the electrode body is sealed; and a barrier film. The outer package comprises: an outer package film which enfolds the electrode body in such a manner that an opening is formed; and a cover member which is disposed at the position of the opening. The cover member has: a first surface that faces the electrode body; a second surface that is on the reverse side of the first surface; and a sealing surface that is connected to the first surface and the second surface. The barrier film is joined to the cover member so as to cover at least a part of the sealing surface.
Resumen de: EP4679582A1
This power storage device is provided with an electrode body and an outer package in which the electrode body is sealed. The outer package comprises an outer package film which enfolds the electrode body in such a manner that an opening is formed, and a cover member which is disposed at the position of the opening. The cover member has a first surface that faces the electrode body, a second surface that is on the reverse side of the first surface, and a projection that protrudes from the second surface.
Resumen de: EP4679581A1
Disclosed is a method for producing a power storage device that comprises an electrode body and an outer package in which the electrode body is sealed. The outer package comprises: an outer package film which enfolds the electrode body in such a manner that an opening is formed; a cover member which is disposed at the position of the opening; and a sealing part at which the cover member and the outer package film are joined to each other. This method for producing a power storage device comprises a sealing step in which the sealing part is formed using a sealing device, and the sealing step comprises a first sealing step in which the sealing part is formed, while moving one of the sealing device and the cover member relative to the other one.
Resumen de: EP4679664A1
A method of determining the recyclability of an electrode of a secondary battery is provided that allows determining the degree of deterioration of an electrode to be recycled. A method of determining the recyclability of an electrode of a secondary battery is a method of determining the recyclability of an electrode of a secondary battery by determining the degree of deterioration of an electrode included in a secondary battery subject to determination, including: a threshold value estimation step (step S1) in which a threshold value Dth of electrolyte diffusion coefficient of the secondary battery subject to determination is estimated using a learned model and based on input data, the input data being data including some of the characteristic parameters of the secondary battery subject to determination; and a classification step (step S2) in which the threshold value Dth and a threshold value Dth0 of electrolyte diffusion coefficient of the secondary battery subject to determination or a secondary battery of the same type as the secondary battery subject to determination before deterioration are compared to classify the secondary battery subject to determination based on the difference between the threshold value Dth and the threshold value Dth0, ΔDth = Dth - Dth0.
Resumen de: EP4679555A2
A secondary battery includes a case including an accommodation part and having a width direction (X-axis direction) and a height direction (Y-axis direction) defined, an electrode assembly accommodated in the accommodation part, a first current collecting plate on the electrode assembly, an injection member on the first current collecting plate, and a cap assembly on the case, wherein the electrode assembly includes a first electrode, a second electrode, and a separator therebetween, the electrode assembly includes a hollow part, the first current collecting plate includes a first hole overlapping the hollow part, the injection member includes an inlet and an outlet, the injection member includes a second hole overlapping the first hole, the injection member includes a protrusion part in the first hole, the protrusion part spaced apart from the first current collecting plate, and a width of the protrusion part changes while extending from the inlet to the outlet.
Resumen de: EP4679565A1
A terminal cooling part (30) for an electricity storage device (100) includes a first plate (31) and a second plate (36). The first plate includes a joining portion (31a) that is joined to the electrode terminal (60,65). The second plate is opposed to a surface of the first plate at an opposite side to a surface of the first plate that is superimposed on the end surface of the electrode terminal except for the joining portion. The second plate includes a raised portion (37) that forms a refrigerant circulating space (39) between the raised portion and the first plate. The second plate is configured such that a portion around the raised portion is joined to the first plate. The second plate includes a supply port (36a) via which a refrigerant is supplied to the refrigerant circulating space, and a discharge port (36b)via which the refrigerant is discharged from the refrigerant circulating space.
Resumen de: EP4679589A1
A battery rack is provided, which includes a frame (1) and a wire-tying unit (3). The frame (1) is configured to support a battery pack, the wire-tying unit (3) is detachably connected to the frame (1), the wire-tying unit (3) comprises a base (31) and at least two wire-tying rods (32), the base (31) is connected to the frame (1), the wire-tying rods (32) are arranged on the base (31) at intervals in a first direction, and the wire-tying rods (32) extend in a second direction. The wire-tying rod is configured to connect a connection wire of the battery pack, and the first direction is arranged at an angle with respect to the second direction.
Resumen de: EP4679663A1
A method of determining the recyclability of an electrode of a secondary battery is provided that allows determining the degree of deterioration of an electrode to be recycled. The method of determining the recyclability of an electrode of a secondary battery includes: estimating characteristic parameters of the secondary battery subject to determination at the time of determination (step S1); obtaining the relationship between the electrolyte diffusion coefficient and the discharge capacity (step S2); based on the relationship between the electrolyte diffusion coefficient and the discharge capacity, determining a threshold value Dth of electrolyte diffusion coefficient (step S3); and comparing the threshold value Dth and a threshold value Dth0 of electrolyte diffusion coefficient before deterioration obtained in advance for the secondary battery subject to determination or a secondary battery of the same type as the secondary battery subject to determination, and, based on the difference between the threshold value Dth and the threshold value Dth0, ΔDth = Dth - Dth0, classifying the secondary battery subject to determination (step S4).
Resumen de: EP4679577A1
This power storage device comprises an electrode assembly and an exterior body sealing the electrode assembly. The exterior body comprises an outer packaging film covering the electrode assembly so as to form an opening portion, and a lid body disposed at the opening portion. The outer packaging film has a first marking which is formed to correspond to at least a part of a corner portion of the lid body.
Nº publicación: EP4679580A1 14/01/2026
Solicitante:
DAINIPPON PRINTING CO LTD [JP]
Dai Nippon Printing Co., Ltd
Resumen de: EP4679580A1
A power storage device according to the present invention comprises an electrode body and an exterior body that seals the electrode body. The exterior body includes: an exterior film that wraps around the electrode body such that an opening is formed; and a lid body that is placed on the opening. The electrode body includes a corner section at which an R surface is formed, the lid body includes a corner section at which an R surface is formed, and the absolute value of the difference between the radius of curvature of the corner section of the electrode body and the radius of curvature of the corner section of the lid body is 10 mm or less.
BOPI
Sede Electrónica
