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1288
resultados
Última actualización
29/09/2025 [07:11:00]
Resultados 25 a 50 de 1288
Resumen de: WO2025195712A1
The invention relates to a device for electrically contacting battery cells (1), comprising battery cells (1) which are arranged next to each other transversely to the longitudinal axis (3) of the device in a main part (2) and which are contacted by an electrical conductor (5). The aim of the invention is to prevent damage to the conductor or the contacting of the conductor caused by operational changes in the size of individual battery cells in the event of vibration-related force factors and a sufficient tolerance compensation at the same time. The aim of the invention is to prevent damage to the conductor or the contacting of the conductor caused by operational changes in the size of individual battery cells in the event of vibration-related force factors and a sufficient tolerance compensation at the same time.
Resumen de: WO2025196274A1
The invention relates to the sorting of planar objects that are used to produce galvanic cells, in particular electrochemical energy stores or electrochemical energy transducers. In the process, planar objects are transported along a transport path to at least two intermediate stations, said transport path branching in such a way at at least one branching device that the planar objects can be selectively transported to a first or second intermediate station. In order to sort the planar objects, the following steps are carried out in each case: - providing at least one object property of the respective planar object, and - selecting one of the intermediate stations for the respective planar object depending on the object property/properties of the respective planar object, in order to assign the respective planar object to the selected intermediate station, and - transporting the respective planar object along the transport path to the selected intermediate station, with the respective planar object being guided to the selected intermediate station by the branching device.
Resumen de: WO2025196260A1
The invention relates to a method for discharging at least one energy storage module comprising a multi-level converter system, in which a multiplicity of energy storage modules and transistors are provided, wherein each energy storage module is able to be connected in parallel and/or in series with the respectively neighbouring energy storage module, the energy storage modules are monitored for an anomaly, and the energy storage modules, preferably the transistors, are switched such that at least one energy storage module is at least partially discharged when an anomaly is detected in a neighbouring energy storage module.
Resumen de: WO2025196218A1
This disclosure presents a current collecting part (1) for a cylindrical secondary cell (100) that comprises an electrode roll (110) and an enclosure (120). The current collecting part (1) comprises a roll contact portion (10) for electrical connection to the electrode roll (110), the roll contact portion (10) being substantially annular, and an enclosure contact portion (20) for electrical connection to the enclosure (120), the enclosure contact portion (20) extending radially outwards from the roll contact portion (10). The radial width of the roll contact portion (10) varies in the circumferential direction (c) such that the roll contact portion (10) comprises alternating wider sections (w1) and narrower sections (w2), wherein the wider sections (w2) are adapted to be welded to the electrode roll (110).
Resumen de: WO2025196110A1
The invention relates to a medical product (1) which is provided and designed for a sterilization process, comprising: a housing (2) which forms a battery-receiving compartment that can be loaded with a battery unit (12) via an access point; and a cover (4) which is designed and configured to close the access point when the cover is engaged with the housing. The medical product also comprises a mechanical display device (6, 14, 18, 24, 26, 32, 34, 38, 46) which is provided on the housing and/or the cover and is designed to display the current loading state of the battery-receiving compartment in a visually and/or haptically recognizable manner from outside the medical product even when the access point is closed. The invention further relates to a housing for the medical product and to a cover for the housing.
Resumen de: WO2025198455A1
Provided is a secondary battery comprising: first group unit cells and second group unit cells stacked in a first direction; first cell tabs extending from one end of the first group unit cells and bonded to each other; second cell tabs extending from one end of the second group unit cells and bonded to each other; and an electrode lead electrically connected to the first cell tabs and the second cell tabs, wherein the first cell tabs comprise a first horizontal portion, a second horizontal portion parallel to the first horizontal portion, and a first connecting portion connecting the first horizontal portion and the second horizontal portion, and the first horizontal portion, the second horizontal portion, and the first connecting portion are connected to form a Z-shaped cross-section.
Resumen de: WO2025198457A1
A silicon composite according to various embodiments of the present invention may comprise: pure silicon particles; and a buffer layer thin film disposed on the surface of the pure silicon particles. A method for preparing a silicon composite according to various embodiments of the present invention may comprise the steps of: pulverizing metallic silicon particles; and forming a buffer layer thin film on the surface of the pulverized metallic silicon particles. An anode for a secondary battery according to various embodiments of the present invention may comprise the silicon composite. A secondary battery according to various embodiments of the present invention may comprise the anode.
Resumen de: WO2025197719A1
A nonaqueous electrolyte secondary battery according to one embodiment of the present disclosure comprises: a wound electrode body in which a belt-like positive electrode and a belt-like negative electrode are wound together, with a separator being interposed therebetween; and an outer package which houses the electrode body. The positive electrode has a positive electrode current collector and positive electrode mixture layers that are formed on both surfaces of the positive electrode current collector, and a first positive electrode current collector exposed part in which the positive electrode current collector is exposed is formed on one surface of the positive electrode. A positive electrode tab is connected to the first positive electrode current collector exposed part, and a protective tape is adhered so as to cover the first positive electrode current collector exposed part and the positive electrode tab. If the first positive electrode current collector exposed part is divided into a first region to which the positive electrode tab is connected and a second region which is adjacent to the first region, the thickness T1 of the positive electrode in the first region and the thickness T2 of the positive electrode in the second region satisfy the relational expression T2/T1 > 0.5.
Resumen de: WO2025197710A1
In relation to an alloy powder that contains at least nickel, cobalt and copper, the present invention provides features which increase acid leaching properties and shorten a leaching time and which enable production of an aqueous mineral acid salt solution containing high concentrations of nickel and cobalt. This alloy powder contains at least nickel, cobalt and copper, has a copper content of 25 mass% to 45 mass%, and has a specific surface area of 0.07 m2/g or more. In addition, this method for producing an alloy powder includes: a step for preparing an alloy which contains at least nickel, cobalt and copper and which has a copper content of 25 mass% to 45 mass%; and a step for obtaining an alloy powder having a specific surface area of 0.07 m2/g or more by subjecting the alloy that has been prepared to atomization.
Resumen de: WO2025197736A1
A data acquisition unit (111) acquires battery data including the voltage and current of a secondary battery included in a battery pack. An SOH estimation unit (113) estimates the SOH by using a two-point open circuit voltage (OCV) method. An SOH progress curve generation unit (115) uses a calculated plurality of SOH sample data to perform curve regression and generate an SOH progress curve for the secondary battery. A period confirmation unit (112) confirms the sampling period of the battery data. The SOH progress curve generation unit (115) increases a weighting to the extent of the SOH calculated on the basis of the battery data in a section in which the sampling period is short.
Resumen de: WO2025198429A1
The present invention relates to a pack housing comprising: a heat sink; a pair of side frames coupled to both side surfaces of the heat sink; and a front frame and a rear frame, which are coupled to the front and rear of the heat sink. In one example, the heat sink and the pair of side frames are formed as a single body by extrusion molding, and thus bonding surfaces are not formed between the heat sink and the pair of side frames.
Resumen de: WO2025198192A1
A battery diagnosis apparatus according to one embodiment disclosed in the present document may comprise: an interface for acquiring a voltage value of respective battery cells; and one or more controllers for calculating the average voltage value of the battery cells, calculating the cell voltage deviation of the respective battery cells on the basis of the average voltage value, generating diagnostic data related to the cell voltage deviation according to the average voltage value of the respective battery cells, and diagnosing states of the battery cells on the basis of the cell voltage deviation in a diagnosis period corresponding to a specified condition of a change amount of the cell voltage deviation of the diagnostic data.
Resumen de: WO2025198165A1
The present invention provides a cathode active material comprising a transition metal and a dopant, wherein the dopant comprises W, and selectively comprises at least one element selected from the group consisting of alkaline earth metals, transition metals of Group 3 to Group 12, post-transition metals and metalloids of Group 13 to Group 15, non-metals of Group 14 to Group 16, and lanthanide elements.
Resumen de: WO2025198422A1
Acrylic elastomer particles according to one aspect of the present disclosure can enhance binder properties of fluorine-based resin particles, leading to the production of an electrode mixture having stronger binder properties to an electrode active material. A dry electrode manufactured comprising same is not easily broken due to excellent mechanical properties thereof, leading to the provision of a secondary battery with superb stability, excellent battery performance, and long-term maintenance of excellent battery performance.
Resumen de: WO2025198164A1
A battery diagnostic device, according to one embodiment disclosed in the present document, comprises: an interface for acquiring a first charging profile at the middle of life (MOL) of a battery cell; and at least one processor for predicting a second charging profile by using a battery physical model indicating a battery state, and an input parameter dependent on a change in a degradation index corresponding to the first charging profile, and calculating a degradation index of the battery cell corresponding to each of the first charging profile and the second charging profile.
Resumen de: WO2025198130A1
Disclosed are a battery system and a vehicle including same, the battery system comprising: a battery module having venting parts formed on one surface thereof; a pack case having the battery module installed therein; and resilient parts provided on one surface of the battery module, disposed at points that do not overlap with the venting parts, and parts of which protrude toward the pack case and are supported, thereby pressing one surface of the battery module relative to the pack case.
Resumen de: WO2025198372A1
The positive electrode active material according to the present invention is a positive electrode active material including a lithium nickel-based oxide in the form of a single particle consisting of one single nodule or a quasi-single particle which is a composite of 30 or fewer nodules, wherein the lithium nickel-based oxide includes cobalt (Co) and aluminum (Al) and the concentration ratios of cobalt (Co) and aluminum (Al) on the surface of the lithium-nickel-based oxide, as measured by energy dispersive X-ray spectroscopy (EDX), satisfy the following Equations 1 and 2, respectively: Equation 1 (Co concentration ratio inside the nodule with respect to the positive electrode active material) ≤ (Co concentration ratio at the nodule interface with respect to the positive electrode active material) ≤ (Co concentration ratio at the surface of the lithium-nickel-based oxide particles with respect to the positive electrode active material) Equation 2 (Al concentration ratio at the surface of the lithium-nickel-based oxide particles with respect to the positive electrode active material) ≤ (Al concentration ratio at the nodule interface with respect to the cathode active material) < (Al concentration ratio inside the nodule with respect to the cathode active material)
Resumen de: WO2025198121A1
Provided is an apparatus capable of monitoring the abrasiveness of a forming tool for applying pressure to a battery can in the radial direction of the battery can along the circumferential direction thereof while rotating the battery can, to perform plastic working of the battery can in the radial direction thereof. The apparatus comprises: a can table installed to be rotatable about the central axis thereof; a process tool which is installed to be rotatable about a predetermined rotational center, is installed to be movable in a direction in which the process tool approaches or moves away from a can installed on the can table, and has a processing surface provided around the rotational center; a pressure sensor pressurized by the processing surface and measuring a pressure distribution; and a monitoring unit for calculating information related to a profile of the processing surface from the pressure distribution.
Resumen de: WO2025198120A1
A battery module, and a battery pack and a vehicle including same are disclosed. The battery module according to an embodiment of the present invention comprises: a battery cell stack in which a plurality of battery cells are stacked; a module case housing the battery cell stack; and flame retardant pads disposed between the plurality of battery cells inside the module case, wherein a cut part is provided at one end of each flame retardant pad.
Resumen de: WO2025198129A1
The present invention introduces a battery case, and a battery pack and a vehicle including same, the battery case comprising: a case body accommodating batteries in an inner space; exhaust holes formed in the case body and discharging gas generated from the batteries from the inside of the case body to the outside; and a gas discharge amplifier installed on the exhaust holes to amplify the flow rate of the gas discharged through the exhaust holes.
Resumen de: WO2025198530A1
A system and method for balancing the state of charge (SOC) in a multi-tank Vanadium Redox Flow Battery (VRFB) system, particularly in hybrid integration with Lithium Batteries (LiB), is disclosed It addresses SOC imbalance issues in VRFB systems utilizing multiple hydraulically disconnected electrolyte tanks, thereby improving round-trip efficiency by eliminating the need for intermediate DC-DC converters. A small-scale DC-DC converter operating in droop control mode facilitates charge balancing between VRFB clusters during both charging and discharging. the invention provides a droop control method for hybrid energy storage systems (ESS) consisting of VRFB and LiB in both DC and AC coupled configurations. This method dynamically adjusts droop coefficients and voltage/frequency reference levels based on real-time charging and discharging requirements, ensuring optimal power distribution and SOC balance across multiple battery clusters. The system enhances overall efficiency, reliability, and cost-effectiveness of hybrid energy storage solutions by leveraging the complementary strengths of VRFB and LiB technologies.
Resumen de: WO2025199502A1
Improved barriers for protecting cathodes and/or anodes in Li batteries are provided. We have found that F-doping of ALD-grown lithium metal oxides results in a barrier having a highly desirable combination of properties. In particular, these barriers have mixed conductivity where both electronic conductivity and ionic conductivity are important. Furthermore, these barriers also have the desirable mechanical properties of uniform and controllable thickness, and highly conformal deposition.
Resumen de: WO2025199456A1
Porous polymer films including membranes are disclosed that have an improved blend of properties. Porous polymer films made according to the present disclosure can show dramatically improved wicking properties when tested against electrolyte solutions, indicating a significant increase in ion conductivity. The films can also be formed with porosity properties, permeability properties, strength properties, and at thicknesses that further enhance performance.
Resumen de: WO2025199068A1
The present inventions relate to methods, systems, apparatuses, controllers, software, and composition of matter associated with rotary dicing of target starting material to generate components. The components may be utilized for energy manipulation device, e.g., battery. The components may be of a battery cell, e.g., a stacked arrangement of battery cells.
Nº publicación: WO2025198944A1 25/09/2025
Solicitante:
ONE ENERGETICS LLC [US]
ONE ENERGETICS, LLC
Resumen de: WO2025198944A1
The various embodiments herein provide a system and method for enabling simultaneous charging of multiple batteries. The embodiments also provide a system and method generating a magnetic field through a conductive strip placed around a plurality of battery banks to enable efficient and simultaneous charging of multiple batteries. The embodiments optimize the method in which battery banks are charged, rejuvenated and recycled. By utilizing a conductive strip to create a magnetic field, the system magnetically pulse charges batteries simultaneously, reducing temperature rise and enhancing overall efficiency. The system enables noninvasive battery recycling and optimized restoration, extending battery life and supporting environmental sustainability. Key benefits include faster charging times, reduced thermal risks and the ability to rejuvenate batteries previously considered at the end of their lifecycle.
BOPI
Sede Electrónica
