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746
results.
Updated on
21/08/2026 [07:19:00]
Results 675 to 700 of 746
Absstract of: EP4790907A1
0001 Provided is a vehicle, including a battery pack, where the battery pack includes a battery module, and the battery module includes a wireless communication apparatus. The wireless communication apparatus includes a transmitter and an antenna. The antenna communicates with the transmitter, and a distance between the antenna and the transmitter is L, and L satisfies: 0 ≤ L ≤ 100 mm .
Absstract of: EP4789897A1
0001 A distributed battery assembly, a vehicle, a battery management method and device for the vehicle, and medium, relating to the technical field of vehicle batteries, where the distributed battery assembly (301) includes: a first battery pack (101) for free use by a user and a second battery pack (102) for paid use by the user; and a battery management unit, connected to the first battery pack (101) and the second battery pack (102); and each battery pack includes at least one battery cell. The battery packs in the battery assembly are divided into the first battery pack (101) for free use and the second battery pack (102) for paid use by the user, so as to reduce the frequency of using the second battery pack (102) by the user, and thus reduce the frequency of overcharging and over-discharging the distributed battery assembly, and improve battery safety.
Absstract of: EP4790820A1
0001 Embodiments of this application provide a battery cell, a battery, and an electric device. The battery cell includes a housing, a pressure relief mechanism, an electrode assembly, and an insulating member. The housing has a first wall, the pressure relief mechanism is disposed on the housing, the electrode assembly is disposed inside the housing, and the insulating member is disposed between the electrode assembly and the first wall. The insulating member is configured to isolate the electrode assembly. The insulating member is provided with a vent passage, and the vent passage is configured to guide gas inside the battery cell to the pressure relief mechanism. The insulating member includes a body and a ceramic coating, the body being made of an insulating material, and the ceramic coating being disposed on a surface of the body. The technical solutions of this application improve the reliability of the battery.
Absstract of: EP4790766A1
0001 Provided are a sodium vanadium fluorophosphate cathode material, a cathode plate and a sodium-ion battery, and the present application belongs to the technical field of sodium-ion batteries. The sodium vanadium fluorophosphate cathode material includes sodium vanadium fluorophosphate particles and nitrogen-doped carbon coating layers on surfaces of the sodium vanadium fluorophosphate particles, a ratio of Ig to Id of the nitrogen-doped carbon coating layers in a Raman spectrum is 1-1.9, a porosity of the sodium vanadium fluorophosphate cathode material is 12%-33%, and a powder resistivity of the sodium vanadium fluorophosphate cathode material is 27,000 Ω·cm-73,000 Ω·cm. The present application is conducive to improving the electrochemical performance of the sodium vanadium fluorophosphate cathode material, especially cycle performance and rate capability.
Absstract of: EP4789907A1
0001 The application relates to an integrated battery management system and device. The integrated battery management system includes a power management module and a drive control module. The power management module is configured to receive a power signal of the target battery and converts the power signal into a power supply signal adapted for the target module. The target module includes a drive control module and a control module. The drive control module is configured to acquire a status information of the target battery and converts the status information into a feedback signal adapted for the control module, so that the control module generates a drive control signal for the target battery based on the feedback signal. The drive control module is configured to perform a matching battery drive control operation on the target battery based on the drive control signal.
Absstract of: EP4790796A1
0001 A cooling system for a battery device in accordance with the present disclosure includes: a substrate section (2) of a case containing a cell body; a cooling plate attached to the substrate section (2); a first coolant passage; and a second coolant passage (A2) separated from the first coolant passage (A1), the substrate section (2) having a back surface constituting a peripheral wall of the first coolant passage (A1) and a peripheral wall of the second coolant passage (A2), the cooling plate including a first plate forming another peripheral wall of the first coolant passage (A1) and a second plate for another peripheral wall of the second coolant passage (A2), the first plate and the second plate being attached to the back surface of the substrate section (2) in an area where the cell body is disposed.
Absstract of: WO2025073669A1
The invention relates to a thermal regulation device for components (5), the operation of which is sensitive to temperature, these components (5) being intended in particular for storing energy and possibly being battery cells, this thermal regulation device including a housing (9) forming at least two enclosures (3), each configured to receive one or more components (5) at least partially immersed in a dielectric fluid, a dielectric fluid circuit (4) passing through the enclosures (3), each enclosure being provided with a fluid inlet (6) and at least one, in particular a plurality of fluid outlets, the at least one fluid outlet (7) being provided with a check valve which is configured to prevent fluid from entering the enclosure (3) via the fluid outlet, in particular to prevent fluid from returning into the enclosure after being removed, or in particular to prevent air from entering the discharge duct.
Absstract of: EP4790787A1
The present invention relates to a graphene network battery including a positive electrode current collector, a positive electrode mixture, a separator, a negative electrode mixture, and a negative electrode current collector, wherein the negative electrode mixture includes a negative electrode material layer formed on an upper portion of the negative electrode current collector, and including a silicon negative electrode active material and a binder, and a structure-stabilized graphene layer formed on at least one surface of the negative electrode material layer.
Absstract of: EP4790803A1
The present disclosure relates to a manufacturing method of a pouch for a secondary battery, which includes a step of preparing a pouch fabric in which a first pocket area, a second pocket area disposed to be spaced apart from the first pocket area, and a gas pocket area disposed between the first pocket area and the second pocket area are defined; and a step of cutting the pouch fabric along a cutting line passing through the gas pocket area, wherein when the pouch fabric is cut along the cutting line, the gas pocket area is divided into a first divided gas pocket area connected to the first pocket area and a second divided gas pocket area connected to the second pocket area, and wherein the cutting line is defined in a left-right asymmetrical manner based on a center line passing through the center of the gas pocket area, thereby obtaining the advantageous effect of reducing the amount of pouch fabric used and lowering costs.
Absstract of: EP4790759A1
0001 Disclosed are lithium manganese iron phosphate (LMFP) battery systems, cells, and methods configured to smooth stair-like voltage behavior inherent to LMFP chemistries. The disclosure describes blending LMFP cathode materials having different iron-to-manganese ratios to moderate multiphase redox reactions and produce a more slope-like voltage profile during charge and discharge. The blended cathode materials may be integrated at a material level, electrode level, cell level, or pack level to improve state-of-charge estimation, power control, and battery management system performance while preserving the inherent safety, cost, and cycle-life advantages of LMFP chemistry. The disclosed systems support modular battery architectures and are adaptable to electric vehicles, heavy-duty applications, and stationary energy storage. By reducing steep voltage transitions without introducing higher-risk chemistries, the disclosed approaches enable improved controllability, reliability, and scalability of LMFP-based energy storage systems.
Absstract of: EP4790788A1
The present disclosure relates to a positive electrode. The positive electrode includes a current collector, an adhesive layer on the current collector, a functional layer on the adhesive layer, and a positive electrode active material layer on the functional layer. The functional layer includes a first binder and functional particle, and the adhesive layer includes a second binder. The functional particle includes at least one of boron nitride (BN), aluminum nitride (AlN), alumina (Al2O3), silicon nitride (Si3N4), boehmite, zeolite, or kaolinite.
Absstract of: EP4790783A2
0001 Disclosed are a carboxylmethyl cellulose lithium salt, a method of manufacturing the carboxylmethyl cellulose lithium salt, a negative electrode including the carboxylmethyl cellulose lithium salt, and a rechargeable lithium battery. The method of manufacturing a carboxylmethyl cellulose lithium salt includes performing an alkalization reaction of cellulose and lithium hydroxide, performing an etherification reaction with a halogen-containing acetic acid or a salt thereof, wherein an amine derivative is added during the alkalization reaction or the etherification reaction, and an amount of the halogen-containing acetic acid or a salt thereof added relative to the lithium hydroxide is controlled to a given amount.
Absstract of: EP4790777A1
0001 The present disclosure relates to an electrode assembly including electrodes and separators, and an apparatus for manufacturing such an electrode assembly. An electrode assembly according to an embodiment of the present disclosure may include a first separator; a first electrode having one surface in contact with the first separator; a second separator having one surface in contact with the other surface of the first electrode; a second electrode having a different polarity from the first electrode and having one surface in contact with the other surface of the second separator; and a plurality of attachment tapes attached to the first separator, the first electrode, the second separator, and the second electrode to combine them together, wherein the first and second separators may have wider widths than the first and second electrodes, wherein widthwise edges of the first and second separators may include adhesive portions that are bonded to each other and non-adhesive portions that are not bonded to each other, and wherein the non-adhesive portions may not overlap the plurality of attachment tapes.
Absstract of: EP4790751A1
The present invention relates to an electrode manufacturing device and an electrode manufacturing method, which provides an electrode manufacturing device and an electrode manufacturing method, capable of effectively preventing over-drying by adjusting a speed of a fan in a drying part to a lower rotation speed than the rotation speed before a shutdown based on the internal humidity of the drying part, upon restart of a coating part after the shutdown.
Absstract of: EP4790753A1
An electrode plate (5P) includes a current collecting foil (SPF), a conductive bonding layer (5PY) provided on the electrode foil (5PF), an active material layer (SPA) provided on the bonding layer (5PY) and bonded to the bonding layer (5PY), and an insulating protective layer (SPX) provided along the bonding layer (5PY) and the active material layer (5PA) and between an electrode foil exposed portion (5PC) of the electrode foil (SPF), where the electrode foil (5PF) is exposed, and the bonding layer (5PY). The insulating protective layer (SPX) is thinner than the bonding layer (SPY).
Absstract of: EP4789808A1
0001 A laser welding method includes a preparation step and a welding step. A first member and a second member prepared in the preparation step have end faces that are adjusted to the same level in height when stacked with each other. Each of the first member and the second member has a stepped face higher than the end face at a position away from a boundary between the stacked first and second members. In the welding step, the boundary between the end faces of the first member and the second member is irradiated with a laser beam in a state that hoods are placed on the stepped faces of the first member and the second member, respectively.
Absstract of: EP4790822A1
A secondary battery including a electrode assembly stack having a plurality of unit batteries stacked in a first direction and having electrode tabs of each of the plurality of unit batteries at both ends in a second direction perpendicular to the first direction; multifunctional terminal blocks (MTB) provided at both ends of the stack-type electrode assembly; and a laminate sheet surrounding the side surfaces of the stack-type electrode assembly is provided. The MTB includes a busbar structure electrically connected to the electrode tabs and an MTB housing accommodating the busbar structure, and the busbar structure includes a first busbar plate into which a plurality of electrode tabs are inserted together and a second busbar plate in surface contact with the first busbar plate.
Absstract of: GB2703846A
Automated qualitative analysis of computerized conversational agent (CCA) conversational data 100. This comprises a system configuration manager 200 for establishing CCA characteristics and factors to be included in analyses, a data ingestion engine 300 for ingesting conversations from a CCA, a conversation indicator extractor 400 for identifying and classifying key aspects of conversation, fallback analyser 500 for identifying the type and frequency of CCA failures, a topic modelling engine 600 for identifying trends in conversations, and a CCA score generator 700 for generating score assessments for qualitative aspects of the CCA’s performance. Fig. 1
Absstract of: EP4790813A1
0001 Disclosed herein relates to a battery pack including: a battery cell assembly including a battery cell; a pack frame including a bottom frame supporting the battery cell assembly and a side frame coupled to the bottom frame, the bottom frame and the side frame defining an accommodation space for accommodating the battery cell assembly, the bottom frame including a first venting passage communicating with an external space; and a first venting device disposed within the first venting passage of the bottom frame, and configured to open and close an inner passage in response to pressure in the accommodation space of the pack frame.
Absstract of: EP4790793A2
0001 A battery module includes a plurality of battery cells, a cooling plate positioned on the plurality of battery cells and including a main flow path, a first supply portion for supplying coolant to the main flow path, and a second supply portion for supplying fire extinguishing fluid to the main flow path, wherein the coolant and the fire extinguishing fluid are selectively supplied to the main flow path.
Absstract of: EP4790765A1
Composite positive electrode active material particles, a method of manufacturing composite positive electrode active material particles, and a solid-state battery. The composite positive electrode active material particles contain: positive electrode active material particles; a first coating layer coating at least a part of the positive electrode active material particles; and a second coating layer coating at least a part of the first coating layer, wherein the first coating layer contains an oxide, the second coating layer contains a sulfide solid electrolyte, the sulfide solid electrolyte contains an argyrodite-type sulfide, and a 10% particle diameter D10 in a volume-based cumulative particle size distribution is 3.3 µm or less.
Absstract of: EP4790808A1
0001 A battery pack according to certain aspects of the present disclosure comprises: a plurality of battery cells; a pack frame in which an upper part is opened, and the battery cells are mounted or the battery cells are mounted while being housed in a module frame; and a pack cover that covers the pack frame, wherein the pack cover includes a first plate and a second plate located on an upper part of the first plate, and wherein an insulating coating is formed on at least a part of a surface of the first plate.
Absstract of: EP4790785A1
A laser welding method includes a preparation step and a welding step. A first member and a second member prepared in the preparation step have end faces that are adjusted to the same level in height in a state that the first and second members are stacked with each other. The first member has a stepped face lower than its end face at a position away from a boundary between the stacked first and second members. The second member has a stepped face lower than or higher than its end face at a position away from the boundary between the stacked first and second members. In the welding step, the boundary between the end faces of the first and second members is irradiated with a laser beam in a state that hoods are placed on the stepped faces of the first and second members, respectively.
Absstract of: EP4790764A1
The present disclosure relates to a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the positive electrode. For example, the present disclosure relates to a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the positive electrode. The electrode includes a positive electrode current collector, a first positive electrode active material layer on the positive electrode current collector, and a second positive electrode active material layer on the first positive electrode active material layer. The first positive electrode active material layer includes a first particle, wherein the second positive electrode active material layer includes a second particle, and a third particle. A ratio of an amount of the third particle relative to a total weight of the first, second and third particles is from ≥ 10 wt% to ≤ 30 wt%.
Nº publicación: EP4790814A1 12/08/2026
Applicant:
FORD GLOBAL TECH LLC [US]
Ford Global Technologies, LLC
Absstract of: EP4790814A1
The present disclosure provides a cover element for a battery pack. The cover element is generally planar and formed from a silicate mineral. The cover element is configured to be sealed to a periphery of the battery pack and attached to a top surface of arrays which form the battery pack. The cover element includes cover apertures configured to be aligned with vent apertures in the top surface of the arrays and to form a seal around the vent apertures, providing a fluid pathway from the cover apertures. The cover element may be formed of mica and include terminal apertures aligned with array terminals. A battery pack (250) incorporating the cover element and a vehicle containing such a battery pack are also disclosed.
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