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1478
results.
Updated on
25/12/2025 [07:16:00]
Results 750 to 775 of 1478
Absstract of: EP4664595A1
Die vorliegende Erfindung betrifft einen lösungsmittelbasierten Elektrolyt für einen elektrochemischen Energiespeicher, aufweisend wenigstens die folgenden Bestandteile:- wenigstens ein Lösungsmittel; und- wenigstens ein Leitsalz, wobeiwenigstens ein Lösungsmittel der folgenden Formel (1) entspricht:wobei- R und R<sub>1</sub> gleich oder verschieden sind und ausgewählt sind aus der Gruppe bestehend aus H, CH<sub>3</sub>, der Struktur gemäß Formel (3) und der Struktur gemäß Formel (4) oder R und R<sub>1</sub> gemeinsam die Struktur gemäß Formel (2) ausbilden, wobei- die Formel (2) der folgenden Struktur entspricht:- die Formel (3) der folgenden Struktur entspricht:wobei n eine ganze Zahl von 1 bis 10 ist;- die Formel (4) der folgenden Struktur entspricht:wobei in den Formeln (1), (3), und (4) R<sub>2</sub> und R<sub>3</sub> gleich oder verschieden sind und ausgewählt sind aus der Gruppe bestehend aus H, (CH<sub>2</sub>)<sub>x</sub>-CH<sub>3</sub>, wobei x eine ganze Zahl von 0 bis 9 ist.
Absstract of: EP4664649A1
Disclosed are a module cover, a battery pack, and vehicle, the module cover having a panel shape having an area that covers all a plurality of battery modules adjacent to one another with a crossbeam interposed therebetween, in which a fixing portion is formed on a portion corresponding to the crossbeam, and the module cover is coupled to the crossbeam by means of the fixing portion.
Absstract of: EP4664648A1
Disclosed are a battery system and a vehicle including the same, the battery system including a battery module having one surface on which venting parts are formed, a pack casing in which the battery module is installed, and an elastic part provided on one surface of the battery module and disposed at a point that does not overlap the venting part, in which a part of the elastic part protrudes toward the pack casing and is supported, such that the elastic part presses one surface of the battery module based on the pack casing.
Absstract of: EP4664647A1
Disclosed are a battery casing, a battery pack, and a vehicle including the same, the battery casing including a casing body having an internal space in which a battery is embedded, a gas discharge hole formed in the casing body and provided to discharge a gas in the casing body, which is generated from the battery, to the outside of the casing body, and a gas discharge amplifier installed in the gas discharge hole and configured to amplify a flow rate of the gas discharged through the gas discharge hole.
Absstract of: EP4664640A1
The present disclosure provides a battery module and a battery pack including the same. The battery module according to an embodiment of the present disclosure comprises: a battery cell stack in which a plurality of battery cells including electrode leads are stacked; a fixing frame including both side surface parts and a lower surface part so as to cover both side surfaces and a lower surface of the battery cell stack; a module frame in which the battery cell stack and the fixing frame are housed; and an inlet and an outlet for circulating a coolant into the interior of the module frame, wherein the battery cell stack includes a first battery cell stack and a second battery cell stack arranged along a longitudinal direction in which the electrode leads protrude from the battery cells, wherein the lower surface part of the fixing frame includes a bead surface, with the bead surface being provided with an adhesive member that abuts against the lower ends of the first battery cell stack and the second battery cell stack, and wherein the first battery cell stack and the second battery cell stack are fixed to the fixing frame by the adhesive member.
Absstract of: EP4664554A1
The present invention relates to a cathode active material, a method of recycling a cathode active material, and a secondary battery. According to the present invention, by desorbing and recovering a cathode active material from a waste cathode, applying a coating agent thereto, and controlling the calcination conditions of the coating agent-coated cathode active material, a structure similar to the crystal structure of the fresh cathode active material may be obtained, and the area where an olivine structure compound is mixed within a carbon coating layer on the surface of the cathode active material may be reduced. Accordingly, excellent battery characteristics may be provided.
Absstract of: EP4664585A1
The present disclosure relates to an electrode assembly having a stack form of an electrode, a separator and a counter electrode, in which each of the electrode and the counter electrode includes a tab extending from a current collector; the electrode is larger than the counter electrode at four sides including a side from which the tap extends thereof, to have an exposed portion; and an insulation layer is formed on a tab portion of the electrode and on an edge portion of the electrode.
Absstract of: EP4664579A1
The present invention provides a cylindrical battery with expansion tape. The cylindrical battery comprises an outer housing and a wound core accommodated in the outer housing, wherein the wound core is obtained by winding and flattening a positive electrode sheet, a negative electrode sheet and a separator. The wound core comprises a positive electrode end face and a negative electrode end face, and expansion tape is wound around an outer periphery of the wound core. At least at a positive electrode end of the wound core, before expansion of the expansion tape, the top of the expansion tape is level with or higher than the top of the separator. The cylindrical battery with expansion tape of the present invention is able to reduce the risk of short circuits due to aluminum foil folding over and coming into contact with an outer housing, and also conforms to an existing structural tolerance design, so will not give rise to new, secondary problems.
Absstract of: EP4664618A2
The present application relates to a battery cell, a battery, a power consumption apparatus, and a manufacturing method and device of a battery cell. The battery cell includes: a shell comprising a wall part; an electrode assembly disposed within the shell; and an insulating member disposed between the electrode assembly and the wall part to isolate the wall part from the electrode assembly in an insulating manner. The insulating member is configured to elastically support the electrode assembly to buffer vibration of the electrode assembly within the shell. When the electrode assembly vibrates relative to the shell due to shaking or vibrating of the battery cell, the insulating member can buffer the vibration of the electrode assembly, and reduce an amplitude of vibration of the electrode assembly, which alleviates the problem that the electrode assembly pulls the electrode lead-out part to avoid the failure of electrical connection of the electrode assembly and the electrode lead-out part and could also mitigate rigid collision between the electrode assembly and the shell, so as to protect the electrode assembly and prolong the service life of the battery cell.
Absstract of: EP4664644A1
A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a vent portion to force gas out; and a pack case which accommodates the at least one battery cell such that the vent portion faces a lower side of the battery pack, with the vent portion exposed from the battery pack.
Absstract of: EP4664609A1
An electric battery unit comprises an array of battery cells (2) immersed, within a container (4) of the battery unit (1), in a flow of a temperature regulating fluid, for maintaining the battery unit within a determined range of temperature. Each cell (2) has a positive pole (3P), a negative pole (3N) and a vent valve (V) arranged on a side surface (2C) of the cell, facing a side wall (4A) of the container (4). All the positive poles (3P), all the negative poles (3N) and all the vent valves (V) of the cells (2) are contained within three respective lateral chambers (CP, CN, CV) of the battery unit (1) that are isolated from each other and that are isolated with respect to the spaces (7) between the cells (2). Each of the lateral chambers (CP, CN, CV) communicates with the inlet collector chamber (5) and the outlet collector chamber (6). In the connection between each of the lateral chambers (CP, CN) and the inlet collector chamber (5) and/or the outlet collector chamber (6) at least one restricted passage (90A, 90B, 91A, 91B, 92, 92A, 92B) is inserted, so that the temperature regulating fluid does not tend to flow preferentially through the lateral chambers (CP, CN, CV) rather than through the spaces (7) between the cells (2).
Absstract of: EP4663565A1
Die Erfindung betrifft ein Verfahren zum automatisierten Aufbringen eines selbstklebenden Stanzteils (7) auf ein Fahrzeugelement (1) wie Batteriegehäuse durch eine an einem Roboterarm befestigte Applikationseinheit (100), wobei mittels eines Zylinders (5), aufweisend eine Wirkachse (W) und umfassend einen Vakuumstempel (6), ein selbstklebendes Stanzteil (7) von einem Stanzteilband (8) aufweisend eine Längsrichtung (L) abgelöst wird und dann auf ein Fahrzeugelement (1) aufgestempelt wird,- wobei das Stanzteilband (8) zur Verfügung gestellt wird,- der Vakuumstempel (6) in eine Übernahmeposition bewegt wird,- wobei in der Übernahmeposition ein Vakuum in dem Vakuumstempel (6) aktiviert wird,- das selbstklebende Stanzteil (7) durch Bewegen des Vakuumstempels in Richtung des selbstklebenden Stanzteils (7) mittels des Vakuums am Vakuumstempel (6) fixiert wird,- das selbstklebende Stanzteil (7) von dem Stanzteilband (8) abgelöst wird, indem der Vakuumstempel (6) mindestens so weit wegbewegt wird, dass das selbstklebende Stanzteil (7) vollständig von dem Stanzteilband (8) abgelöst wird, und- der Vakuumstempel (6) in eine Position über das Fahrzeugelement (1) geführt wird und das selbstklebende Stanzteil (7) auf dem Fahrzeugelement (1) aufgebracht wird, indem der Vakuumstempel (6) durch den Zylinder (5) aus der Übernahmeposition entlang der Wirkachse (W) in eine Applikationsposition gebracht wird, in der das selbstklebende Stanzteil (7) auf das Fahrzeugelement (1) gestempel
Absstract of: EP4663670A1
Proposed is a copolymer including a main chain including a first monomer unit based on styrene, a second monomer unit containing a hydroxy group and having 4 or more and 7 or fewer carbon atoms, and a third monomer unit containing a double bond and having 4 or more and 7 or fewer carbon atoms, wherein the second monomer unit of the main chain includes a grafted polymer chain. In addition, proposed are a negative electrode slurry, a negative electrode, and a secondary battery, each including the copolymer.
Absstract of: EP4663664A1
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: EP4664671A1
The present disclosure relates to a pellet for electrolyte injection configured to connect between an electrolyte supply device for supplying an electrolyte and an open portion formed on one side of a housing of a battery, the pellet including: a hopper having a hollow structure; and a sealing member including a hopper coupling portion coupled to the hopper and spaced apart from the housing and a battery sealing portion configured to seal the open portion and at least partially spaced apart from the hopper coupling portion.
Absstract of: EP4664572A1
A battery cell, a battery, and an electric device. The battery cell comprises a casing, a pressure relief structure and an electrode assembly, wherein the casing is provided with a first wall; the pressure relief structure is arranged on the first wall; and the electrode assembly is arranged in the casing and comprises a plurality of electrode sheet layers stacked in a first direction, the plurality of electrode sheet layers including cathode electrode sheet layers and anode electrode sheet layers, each electrode sheet layer comprising an electrode sheet body, a first active material layer and a second active material layer, the first active material layer and the second active material layer being respectively arranged on two sides of the thickness of the electrode sheet body, at least one electrode sheet layer being constructed as a first preset electrode sheet layer, the distance between the first active material layer of the first preset electrode sheet layer and the first wall being greater than the distance between the second active material layer of the first preset electrode sheet layer and the first wall, and the first direction being parallel to a plane where the first wall is located.
Absstract of: EP4664555A1
The present disclosure relates to a field of batteries, particular to an anode material, a preparation method thereof, and a secondary battery, wherein the anode material includes a silicon-based active material and a matrix material; the anode material includes hydrogen element, halogen element, nitrogen element, and sulfur element, wherein a mass content of the hydrogen element is mH, a mass content of the halogen element is mX, a mass content of the sulfur element is mS, and a mass content of the nitrogen element is mN, and following relational expressions are satisfied: 0.02≤mX/mH≤5.00, 0.0≤mN/mH≤20.00, 0.05≤mS/mH≤5.00. According to the technical solution, by adjusting the contents of the hydrogen element, the nitrogen element, the sulfur element and the halogen element within an appropriate range, the volume expansion of the anode material can be effectively inhibited, and capacity, initial coulombic efficiency, powder conductivity, cycle performance and rate performance of anode material are improved.
Absstract of: EP4664608A1
Embodiments of the present application provide a control method for a refrigeration system, related devices, and a storage medium, involving battery cooling technology. The method includes: in a case that a current ambient temperature being within a first preset temperature range is determined, a water pump of the refrigeration system and a compressor of the refrigeration system are activated; in a case that a first pressure corresponding to the refrigeration system reaching a preset pressure value is determined, a fan of the refrigeration system is activated, so as to maintain a pressure of the refrigeration system within a preset pressure range for cooling a battery management system; in a case that the current ambient temperature being within a second preset temperature range is determined, the water pump of the refrigeration system is activated, and activation of the compressor and the fan is prohibited.
Absstract of: EP4664607A1
There is described a battery module comprising: an array of battery cells electrically coupled to provide electrical power to a load; a cell space housing the array of battery cells, the cell space arranged to receive flow of a coolant fluid past the battery cells; the battery cells mounted on a base of the cell space, the base comprising one or more flow paths for the coolant fluid; one or more inlets to receive the coolant flow into either the cell space or the base; one or more outlets to deliver the coolant flow out of the other of the cell space or the base; and one or more fluid flow couplings between the cell space and the base to direct flow of coolant fluid between the base and the cell space. The inlets, outlets and fluid couplings may be arranged to provide counterflow cooling such that flow of coolant in the base is in the opposite direction to the flow of coolant in the cell space.
Absstract of: EP4664552A1
Embodiments of the present application relate to the field of batteries, and provide a positive electrode sheet, a battery, and an electrical device. The positive electrode sheet comprises a current collector and an active material layer disposed on at least one side surface of the current collector. In the mixed active material layer, a positive electrode active material comprises a first positive electrode active material and a second positive electrode active material, wherein the average particle size R2 of the second positive electrode active material is greater than the average particle size R1 of the first positive electrode active material, R2/R1 ≥ 2, and the first positive electrode active material or the second positive electrode active material accounts for 55%-95% of the total mass of the positive electrode active material in the mixed active material layer. The positive electrode sheet can not only improve the energy density of the battery, but also ameliorate the impedance deterioration and improve the dynamic performance of the battery.
Absstract of: EP4663378A1
The present invention relates to a method for manufacturing a pouch-type secondary battery, and more specifically, relates to a pouch forming device capable of preventing a curling phenomenon, and a secondary battery manufacturing method using the same.According to one example of the present invention, it may provide a pouch forming device for a secondary battery comprising: a grip module holding and fixing edge portions of the pouch film; a first press module disposed on one side of the pouch film and pressure-forming the pouch film in the other side direction to stretch the pouch film; and a second press module disposed on the other side of the pouch film and press-forming the pouch film in one side direction to form a stepped battery cell accommodating part with respect to the edge portions.
Absstract of: EP4664653A1
Provided in this application are a composite separator, a secondary battery, and a power consuming apparatus. The composite separator includes a separator substrate and a conductive coating disposed on a side of the separator substrate. The conductive coating in the composite separator is conducive to improving the current density for deposition of metal ions on a negative electrode current collector such that the metal ions are evenly deposited, and is also conducive to reducing an overpotential of a battery including same such that metal dendrites are further alleviated, thereby improving the cycle performance, service life, and safety of the battery.
Absstract of: EP4664596A1
The present application provides a battery and an electrical apparatus; the battery includes a positive electrode plate and an electrolyte solution, in which, the positive electrode plate includes LixNi(1-y-z)CoyMzO2-b, and M includes at least one element from Mn, Al, Fe, Ti, Mg, Cr, Ga, Cu, Zn, Nb and Zr, 0
Absstract of: EP4664343A1
Provided are a method and apparatus for calibrating contact parameters of electrode materials, and a computer storage medium. The method includes the following operations. A discrete element simulation test is performed on an electrode material based on a calibration model and calibration ranges of contact parameters of the electrode material when an axial force-displacement curve of a target pellet of the electrode material meets an adaption condition of the contact model; then a simulated axial pressure-axial strain relationship of the electrode material is acquired based on a target discrete element simulation parameter of the electrode material; whether the contact parameters are calibrated successfully is judged based on this relationship; and when the contact parameters are calibrated successfully, calibration results of the contact parameters are determined.
Nº publicación: EP4664655A1 17/12/2025
Applicant:
PRIME PLANET ENERGY & SOLUTIONS INC [JP]
Prime Planet Energy & Solutions, Inc
Absstract of: EP4664655A1
A first spacer (610) is disposed between a first sealing plate and an electrode assembly. The first spacer (610) includes a first base portion (630), a first outer peripheral wall (640), and a first inner wall (650). The first base portion (630) is provided with a plurality of through holes (632). The first outer peripheral wall (640) extends from an outer peripheral edge of a surface of the first base portion (630) on the first sealing plate (120) side toward the first sealing plate (120), and has a first portion (643) and a second portion (644) facing each other. The first inner wall (650) is provided to connect the first portion (643) and the second portion (644) of the first outer peripheral wall (640).
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