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1839
resultados
Última actualización
25/06/2025 [08:05:00]
Resultados 25 a 50 de 1839
Resumen de: WO2025127817A1
According to exemplary embodiments, a battery cell assembly is provided. The battery cell assembly comprises: a plurality of battery cells; first and second cross beams spaced apart from each other with the plurality of battery cells therebetween; a second circuit assembly, which is coupled to the plurality of battery cells and includes an integrated circuit for measuring voltages of the plurality of battery cells; a first temperature sensor, which is spaced apart from the plurality of battery cells and is in contact with the first cross beam; and a second temperature sensor, which is spaced apart from the plurality of battery cells and is in contact with the second cross beam.
Resumen de: WO2025127822A1
The present invention relates to an electrode assembly inspection apparatus and, more specifically, to: an inspection apparatus for inspecting damage to the outermost separator of an electrode assembly; and a secondary battery manufacturing apparatus and manufacturing method for applying same to an in-line process. According to one embodiment of the present invention, a secondary battery lead welding device can be provided, the device comprising: a welding machine for welding a plurality of electrode tabs of an electrode assembly to an electrode lead; an unloading device, which receives the welded electrode assembly from the welding machine so as to transfer same for a subsequent process; a pick-and-place device including a picker that supports the bottom surface of the electrode assembly welded in the welding machine so as to transfer same to the unloading device; and an upper end sensing device for sensing whether the uppermost separator of the electrode assembly is damaged by the picker.
Resumen de: WO2025124582A1
A negative electrode material, a negative electrode sheet and a battery. The negative electrode material comprises a carbon matrix and an active substance, wherein the carbon matrix is provided with pores, and the active substance is at least partially distributed in the pores. The area proportion of the pores having a pore diameter larger than 50 nm in any section of the negative electrode material is α, which satisfies: α≤10%, wherein α is obtained by means of the following test method: in an image as shown by the SEM section treatment of a single negative electrode material particle, any a×b region is selected, where a=1-10 μm and b=1-10 μm, the sum of the sectional areas of pores having a pore diameter larger than 50 nm in the region of the section of the single negative electrode material particle is denoted as S0, the sectional area of the single negative electrode material particle in the region is denoted as S, the area proportion of the pores having a pore diameter larger than 50 nm in the section of the single negative electrode material particle is defined as α', where α'=S0/S, and α is the arithmetic mean value of α' values of at least 10 negative electrode material particles.
Resumen de: WO2025124352A1
A secondary battery (1) and an electric device (2). The secondary battery (1) comprises a secondary battery body (10) and a first connector (21). The secondary battery body (10) is provided with a main body portion (111) and a first side sealing edge (112), wherein the main body portion (111) comprises a first main wall (1111), a second main wall (1112) and a first side wall (1113); in a first direction, the first main wall (1111) is arranged opposite the second main wall (1112), the first side wall (1113) is connected between the first main wall (1111) and the second main wall (1112), and the first side sealing edge (112) extends out of the first side wall (1113) and is fixed to the first side wall (1113) in a manner of turning and folding. The first connector (21) comprises a first fixing portion (211) and a first connecting portion (212) connected to the first fixing portion (211), wherein the first fixing portion (211) is fixed to the first side sealing edge (112), the first connecting portion (212) is beyond one end of the first side sealing edge (112) in a second direction, and the first connecting portion (212) is configured to be detachably connected to the electric device (2), so as to fix the secondary battery (1) in a battery compartment of the electric device (2). In this way, the secondary battery body (10) can be detachably connected to the electric device (2) by means of the first connector (21), so as to facilitate subsequent disassembly and replacement of the
Resumen de: WO2025124534A1
A pre-charging control method, a battery, and a battery management system. The pre-charging control method is applied to a battery; the battery (1) comprises a battery cell (11), a pre-charging circuit (12), a discharging circuit (13), and a discharging port (14); the pre-charging circuit (12) and the discharging circuit (13) are connected between the battery cell (11) and the discharging port (14). The pre-charging control method comprises: controlling a battery cell to be pre-charged by means of a pre-charging circuit (S101); periodically acquiring a first voltage of a discharging port (S102); and on the basis of the first voltage and a pre-charging duration corresponding to the first voltage, controlling a pre-charging state of the battery cell (S103).
Resumen de: WO2025127628A1
According to exemplary embodiments, a secondary battery manufacturing system is provided. The system comprises a controller configured to collect cell ID sensing data on the basis of a cell ID sensing signal generated on the basis of reading a data matrix by a data matrix reader, wherein the cell ID sensing data includes a cell ID, which is a read value of the data matrix, and a device number matched to the cell ID, and the device number indicates a site where the data matrix reader has been installed.
Resumen de: WO2025127818A1
A porous structure for a secondary battery electrode according to a preferred embodiment of the present invention comprises a sulfur-containing active material, a conductive material, and a binder, and is manufactured by a phase transition method to have a pore structure of various sizes and shapes according to the location in the structure. Therefore, electrolyte-soluble intermediate products that are generated during charge-discharge reactions can be stored in pores inside the electrode and the active material can be prevented from separating from the electrode to effectively suppress a degradation in battery performance caused by a decrease in the amount of the active material due to dissolution of the active material.
Resumen de: WO2025127554A1
The present invention relates to a penetration test apparatus and a penetration test method using same, wherein the penetration test apparatus comprises: an upper surface pressure plate that presses the upper surface of a battery cell; a lower surface pressure plate that presses the lower surface of the battery cell; a through-hole provided in the upper surface pressure plate; a nail that penetrates the battery cell through the through-hole; and a zero-point adjustment unit that protrudes outward from one outer periphery of the upper surface pressure plate. Accordingly, a zero-point that serves as a reference point for a position where the nail is inserted can be accurately set.
Resumen de: WO2025127477A1
A process condition derivation method for manufacturing a curved battery according to an embodiment of the present invention comprises: a first step for identifying a target value for the curvature of the bottom surface of a battery; a second step for selecting main factors for manufacturing the battery having the curvature; and a third step for verifying the main factors, selected in the second step, by a certain design of experiments method.
Resumen de: WO2025127487A1
Disclosed are a battery diagnosis apparatus and a battery diagnosis method. A battery diagnosis apparatus according to the present invention comprises: a data acquisition unit that acquires a first profile indicating a capacity-voltage relationship of a battery cell including an active material having multi-phase characteristics; and a processor that generates a plurality of comparison profiles on the basis of a plurality of electrode profiles included in an electrode profile map. The processor compares each of the plurality of comparison profiles with the first profile to select, as a second profile, any one comparison profile from among the plurality of comparison profiles, and determines a negative electrode participation end point as a diagnosis factor indicating a deterioration state of the battery cell, on the basis of the second profile.
Resumen de: WO2025124205A1
Provided are a current collector and a preparation method therefor and an application thereof. The current collector comprises a support layer and a functional layer on at least one side surface of the support layer, wherein the functional layer comprises a protective layer, a metal layer and a priming layer, which are stacked in sequence, the priming layer being close to one side surface of the support layer; and a coarsening ring structure is provided on a surface of the current collector. Using the current collector as a substrate to prepare an electrode sheet can improve the bonding force between the current collector and an electrode material, thereby improving the stability of the electrode sheet and the cyclic charging and discharging performance of a battery.
Resumen de: WO2025124505A1
A separator and a preparation method therefor, and a method for determining the cross-linking degree of a separator. The separator has a TMA membrane rupture temperature of greater than or equal to 170°C, a tensile strength of greater than or equal to 2000 kgf/cm2, and a ductility of greater than or equal to 100%. The preparation method for the separator comprises the following steps: sequentially subjecting a polyolefin base material to dip-coating and a light treatment, so as to obtain a separator, wherein a dip-coating solution for dip-coating comprises a photo-initiator, a synergist and an organic solvent. The separator has a higher membrane rupture temperature and higher high-temperature strength. In the preparation method for the separator, by using a method of using the photo-initiator and the synergist in combination, the initiation efficiency of the photo-initiator is improved, the cross-linking degree of the separator is improved, and the residue of the photo-initiator is reduced, thereby improving the performance of the separator.
Resumen de: WO2025124503A1
The present invention relates to the technical field of solid-state batteries, and provides a preparation method for a fluoro-1,3-dioxolane compound, an in-situ solid electrolyte, and a preparation method therefor and a use thereof. The in-situ solid electrolyte is obtained by curing a mixture comprising the fluoro-1,3-dioxolane compound, a free radical polymerization monomer, a first initiator, a second initiator, an electrolyte salt, and a non-aqueous organic solvent. By means of the exothermic ionic polymerization of fluoro-1,3-dioxolane compound at room temperature, free radical monomer polymerization is initiated, avoiding non-uniform polymerization caused by external heating. In addition, the free radical monomer polymerization can consume heat released by ion polymerization, resulting in a milder curing process without bubble residues, so that the in-situ solid electrolyte is more uniform in polymerization, and has better contact with an electrode. Upon research, the in-situ solid electrolyte has a wide electrochemical window, an oxidation voltage greater than 4.5 V, and ionic conductivity greater than 5×10-4 S/cm.
Resumen de: WO2025127496A1
The present invention relates to an electrode assembly, a battery cell including same, and an electrode lead welding method. The electrode assembly according to an embodiment of the present invention includes: a plurality of electrodes; a plurality of electrode tabs which each include a pair of metal layers arranged on the outermost portions and a non-metal layer disposed between the pair of metal layers, and which are connected to the plurality of electrodes; a through portion formed through the plurality of electrode tabs; electrode leads coupled to the electrode tabs; and additional metal layers disposed on the outer surfaces of the outermost electrode tabs disposed at the outermost portions among the plurality of electrode tabs, so as to cover the through portion.
Resumen de: WO2025127525A1
The present invention provides a cathode active material comprising: a core including a transition metal; and a surface part formed on the surface of the core, wherein the surface part includes: a first coating which is applied to a portion of the surface of the core; and a second coating which is applied to the remaining uncoated portion of the surface of the core and optionally to the outer surface of the first coating, and has relatively better melt spreadability compared to the first coating.
Resumen de: WO2025127485A1
A battery diagnosis apparatus and a battery diagnosis method are disclosed. The battery diagnosis apparatus according to the present invention comprises: a data acquisition unit which acquires a first profile representing a state of charge (SOC)-voltage relationship of a battery cell comprising an active material having multiphasic nature; and a processor which generates a plurality of comparison profiles on the basis of a plurality of electrode profiles included in an electrode profile map. The processor compares each of the plurality of comparison profiles with the first profile to select any one of the plurality of comparison profiles as a second profile, and determines a positive electrode participation start point as a diagnosis factor indicating a state of health (SOH) of the battery cell on the basis of the second profile.
Resumen de: WO2025127486A1
A battery diagnosis apparatus and a battery diagnosis method are disclosed. The battery diagnosis apparatus according to the present invention comprises: a data acquisition unit which acquires a first profile representing a state of charge (SOC)-voltage relationship of a battery cell comprising an active material having multiphasic nature; and a processor which generates a plurality of comparison profiles on the basis of a plurality of electrode profiles included in an electrode profile map. The processor compares each of the plurality of comparison profiles with the first profile to select any one of the plurality of comparison profiles as a second profile, and determines a negative electrode participation start point as a diagnosis factor indicating a state of health (SOH) of the battery cell on the basis of the second profile.
Resumen de: WO2025127631A1
According to exemplary embodiments, a battery pack is provided. The battery pack includes: a base plate; first and second battery cell assemblies mounted on the base plate and including a plurality of battery cells; thermal interface material (TIM) layers between the first and second battery cell assemblies and the pack housing; and a serviceable tape interposed between the TIM layers and the base plate.
Resumen de: WO2025124315A1
A zirconium-yttrium composite coated modified lithium nickel cobalt manganese oxide positive electrode material and a preparation method therefor, and a lithium-ion battery. The zirconium-yttrium composite coated modified lithium nickel cobalt manganese oxide positive electrode material comprises a lithium nickel cobalt manganese oxide positive electrode material substrate and a zirconium-yttrium composite coating layer coating the surface of the substrate, and the chemical composition of the zirconium-yttrium composite coating layer is ZrzY1-zO1.5+0.5z, where 0.4≤z≤0.8. The surface of the lithium nickel cobalt manganese oxide positive electrode material substrate is coated with the zirconium-yttrium composite coating layer, and the coating layer has high levels of oxygen vacancy and can quickly absorb oxygen generated due to the de-intercalation of lithium ions and the corrosion of an electrolyte to the positive electrode material during an electrochemical reaction process, thereby ensuring the high-temperature storage and cycle performance of the material.
Resumen de: WO2025124316A1
The present application relates to the technical field of power batteries, and in particular, to a power battery assembly and a vehicle. The power battery assembly comprises a high-voltage distribution device and a cooling plate; the cooling plate comprises a first cooling area and a second cooling area; the high-voltage distribution device is arranged opposite to the first cooling area; the second cooling area is used for cooling battery packs, and cooling liquid flow channels are arranged in both the first cooling area and the second cooling area. According to the power battery assembly, the first cooling area is arranged on the cooling plate and used for cooling the high-voltage distribution device, and the high-voltage distribution device is cooled by means of the cooling structures of existing battery packs, so that the driving range and safety of the whole vehicle are improved. Since electrical components in the high-voltage distribution device can achieve effective heat dissipation, lower-specification electrical components can be selected, so that the cost, weight, and spatial size of the electrical components are reduced, thereby reducing the cost of the entire battery energy distribution unit.
Resumen de: WO2025124313A1
A battery case and a battery pack. The battery case in the battery pack comprises a case frame (100), a liquid cooling plate (200), a protective plate (300), a plurality of fixed connection assemblies, a first-layer sealing assembly (400) and a second-layer sealing assembly (500), wherein the case frame (100), the liquid cooling plate (200) and the protective plate (300) are stacked in sequence; at least some of the fixed connection assemblies are arranged at the edge of the protective plate (300) at intervals, so as to fixedly connect the protective plate (300), the liquid cooling plate (200) and the case frame (100); the first-layer sealing assembly (400) is located between the liquid cooling plate (200) and the case frame (100), with at least part of the first-layer sealing assembly (400) surrounding the edge of the liquid cooling plate (200); and the second-layer sealing assembly (500) is located between the protective plate (300) and the liquid cooling plate (200), with at least part of the second-layer sealing assembly (500) surrounding the edge of the protective plate (300). The sealing and fixation between the case frame (100) and the liquid cooling plate (200) and the sealing and fixation between the liquid cooling plate (200) and the protective plate (300) are realized; the structure is compact; and the sealing effect is good, thereby improving the protection of batteries in the battery case.
Resumen de: WO2025127268A1
A method for recovery of valuable metals according to the present invention comprises the steps of: (S1) leaching a sulfate solution from a waste battery material; (S2) adding a phosphorus-based compound to the sulfate solution to precipitate aluminum phosphate; and (S3) solid-liquid separating the aluminum phosphate from the sulfate solution, wherein the concentration of metal sulfate contained in the sulfate solution is 90 g/L or more.
Resumen de: WO2025127249A1
Provided is a manufacturing method of an all-solid rechargeable battery. The manufacturing method of an all-solid rechargeable battery, according to an embodiment, comprises: a first step for attaching an atypical reel-type thin film sheet to a carrier film; a second step for continuously supplying a negative electrode plate provided with a solid electrolyte layer; a third step for attaching the thin film sheet to the solid electrolyte layer and then removing the carrier film; a fourth step for notching the thin film sheet, the solid electrolyte layer, and the negative electrode plate; a fifth step for pressing and attaching the thin film sheet to the solid electrolyte layer; a sixth step for inserting a positive electrode plate over the solid electrolyte layer inside the thin film sheet; and a seventh step for forming a unit cell by cutting the thin film sheet, the solid electrolyte layer, and the negative electrode plate.
Resumen de: WO2025127351A1
A data processing device for providing battery inspection information, according to an embodiment of the present invention, may comprise: at least one processor; and a memory storing at least one instruction executed through the at least one processor. The at least one instruction may include: an instruction for collecting battery inspection information from a plurality of battery inspection devices; an instruction for aggregating battery inspection information collected from two or more of the battery inspection devices to generate integrated inspection information for the battery; and an instruction for outputting the integrated inspection information through a predefined graphical user interface (GUI).
Nº publicación: WO2025127255A1 19/06/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
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Resumen de: WO2025127255A1
The present invention relates to a battery structure of a bi-cell structure and an all-solid-state rechargeable battery comprising same, the battery structure including a positive electrode current collector, positive electrode active material layers positioned on both surfaces of the positive electrode current collector, solid electrolyte layers positioned on the positive electrode active material layers, and negative electrodes positioned on the solid electrolyte layers, wherein the positive electrode current collector includes a resin sheet and metal films positioned on both surfaces of the resin sheet.
BOPI
Sede Electrónica
