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1358
results.
Updated on
24/12/2025 [07:24:00]
Results 550 to 575 of 1358
Absstract of: EP4664575A1
The present invention relates to an electrode assembly manufacturing plate, which includes a support plate, a sub-plate provided on one surface of the support plate, and a distance control unit provided on the support plate and configured to push a part of an opposing surface to a surface of the sub-plate, which is opposite to the support plate, from the support plate so that a distance from a part of the opposing surface to the support plate is different from a distance from the remaining portion to the support plate, an electrode assembly manufacturing apparatus including the same, and an electrode assembly manufacturing method.
Absstract of: EP4664625A1
Disclosed are a secondary battery pocket portion sealing apparatus for sealing a sealing portion of a second pocket portion for gas capture, the secondary battery pocket portion sealing apparatus including a first sealing unit including a first sealing tool disposed on one side of the sealing portion so as to press and heat the sealing portion such that the sealing portion is sealed, a friction pad portion connected to the first sealing tool, the friction pad portion including a first friction pad and a second friction pad disposed at both ends of one surface of the sealing portion, and a driving member configured to move the first sealing tool and the friction pad portion to one side or the other side, and a second sealing unit including a second sealing tool disposed on the other side of the sealing portion so as to press and heat the sealing portion such that the sealing portion is sealed, and a secondary battery pocket portion sealing method using the same.
Absstract of: EP4663322A1
Embodiments of the present disclosure relate to an electrode plate notching device capable of automatically correcting a bias of a press pressure transmitted to a mold during a notching process of an electrode plate, thereby preventing or reducing molding errors. An electrode plate notching device includes a lower press, a first mold seated on the lower press and including a punch hole, a second mold movable up and down above the first mold and including a punch, an upper press arranged above the second mold and movable vertically, and a correction unit connecting the upper press to the second mold and capable of multi-axis alignment.
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: EP4664619A2
The present application provides a battery and an electronic product. The battery includes a housing, a cover assembly and a cell body, where the cover assembly is disposed on the housing; the cover assembly includes a conductive part and a top cover, and the top cover is in insulated connection with the conductive part; the conductive part includes a flattening portion and a boss portion, and the boss portion is connected to the flattening portion; a center of the top cover is provided with a through hole, and the boss portion extends into the through hole; and the cell body is accommodated in the housing, the cell body is connected with a first tab, the first tab is connected with the conductive part. The present application provides a battery and an electronic product for at least improving the flatness and reliability of welding a tab on a conductive part.
Absstract of: EP4664621A2
A battery module includes a plurality of cells and a first fireproof layer. The cells are arranged in sequence. The first fireproof layer is arranged on the cells. The first fireproof layer is attached to top surfaces of the cells. A battery pack includes at least two battery modules stacked vertically. The fireproof performance of the battery module and the battery pack is improved, and the reliability and safety of the battery module and the battery pack are improved.
Absstract of: EP4664932A2
A system includes a hearing device comprising a rechargeable power source, power management circuitry, and a first charging interface comprising a first cathode contact and a first anode contact spaced apart from the first cathode contact. A charging module comprises a second charging interface configured to detachably couple with the first charging interface of the hearing device. The second charging interface comprises a second anode contact having a contact surface and a displaceable second cathode contact. An arrangement is configured to displace at least a portion of the second cathode contact above the contact surface to facilitate electrical contact between the first and second cathode contacts prior to electrical contact between the first and second anode contacts. Charging circuitry of the charging module is coupled to the second charging interface and configured to charge the rechargeable power source of the hearing device.
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.
Absstract of: EP4664130A2
A battery management apparatus according to the present disclosure includes a voltage measurement circuit to measure a cell voltage of each of a plurality of battery cells; and a control unit to determine the cell voltage of each of the plurality of battery cells and a reference voltage of the plurality of battery cells at a preset time interval during a rest period. The control unit determines a first accumulated change of the cell voltage of each battery cell during the rest period. The control unit determines a second accumulated change of the reference voltage during the rest period. The control unit determines whether each battery cell is defective by comparing the first accumulated change of each battery cell with the second accumulated change.
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: 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: 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: EP4664670A1
Disclosed are a liquid injection system (100) and a liquid injection method. The liquid injection system (100) includes a rotary device (1), a liquid injection device, a liquid preparation mechanism (3), a loading and unloading station (4), a liquid replenishment buffer station (5), a transfer mechanism, a first weighing device (61), a second weighing device (62) and control equipment. The rotary device (1) is provided with a plurality of battery (200) placement positions arranged in a circumferential direction and able to achieve rotational displacement. The liquid injection device is disposed on each battery (200) placement position, and each liquid injection device is configured to inject a liquid into a battery (200) on the corresponding battery (200) placement position. The liquid preparation mechanism (3) is configured to prepare a liquid for the liquid injection device passing through a liquid preparation area of the liquid preparation mechanism (3). The loading and unloading station (4) is configured to place batteries (200) to be subjected to liquid injection and batteries (200) after liquid injection. The liquid replenishment buffer station (5) is configured to buffer batteries (200) to be subjected to liquid replenishment. The transfer mechanism is configured to move the batteries (200). The first weighing device (61) is configured to weigh the batteries (200) after liquid injection. The second weighing device (62) is configured to weigh the batteries (200) to be s
Absstract of: EP4664661A1
In the present secondary battery (1), a current collector (431) is a first stack in which a plurality of metal plates (4300) are stacked, the current collector (431) includes a first region (431A) and a second region (431B), a positive electrode tab group (250, 280) is joined to the first region (431A), a positive electrode current collection portion (420) is joined to the second region (431B), and the current collector (431) is bent between the first region (431A) and the second region (431B). According to the present secondary battery (1), it is possible to suppress occurrence of damage to the tab group.
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).
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: 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: EP4664662A1
In the present method of manufacturing a secondary battery (1), a current collector (53A) is a first stack in which a plurality of metal plates (4300) are stacked, the current collector (53A) includes a first region (532A) and a second region (532B), a positive electrode tab group (250, 280) is joined to the first region (532A), a positive electrode current collection portion (420) is joined to the second region (532B), the method including: a preparation step of preparing the current collector (53A) having a first joining portion (532T) in which the metal plates are partially joined together; a first tab group connection step of joining the positive electrode tab group (250, 280) to the current collector (53A); and an other conductive member connection step of joining the positive electrode current collection portion (420) to the current collector (53A). According to the present method of manufacturing the secondary battery (1), occurrence of damage to the tab group can be suppressed.
Absstract of: EP4663459A1
Die Erfindung betrifft ein Unterbodensystem (3) für ein Fahrzeug (1) aufweisend eine Batterie (2) zur Bereitstellung von Antriebsenergie für das Fahrzeug (1), eine Schutzeinheit (4) zum Schutz der Batterie (2), eine Lichtleitereinheit (10) zum Erkennen einer Störung (210) der Schutzeinheit (4) mit zumindest zwei Lichtwellenleitern (11), durch welche jeweils ein Lichtsignal (200) leitbar ist, und eine Kontrolleinheit (20) mit einer Messeinheit (21) zum Ausführen einer optischen Messung (102) zum Erfassen jeweils zumindest eines Lichtparameters (201) der Lichtsignale (200) und einer Auswerteeinheit (22) zur Erkennung der Störung (210) anhand einer Auswertung der optischen Messung (102). Ferner betrifft die Erfindung ein Verfahren (100), sowie ein Fahrzeug (1).
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.
Nº publicación: EP4664721A1 17/12/2025
Applicant:
SKELETON TECH GMBH [DE]
Skeleton Technologies GmbH
Absstract of: EP4664721A1
In order to improve high voltage DC systems the invention proposes an energy storage circuit for an energy storage module (18) comprising:- a positive terminal (26) and a negative terminal (28);- an energy storage assembly (30) configured for storing electrical energy, the energy storage assembly (30) including at least one energy storage cell and at least one sensor (35);- a switching assembly (36) that is switchable into any of an operational state and a bypass state and optionally a cross-conduction state, wherein in the operational state the switching assembly (36) electrically connects the energy storage assembly (30) to the positive and negative terminals to supply them with electrical power, wherein in the cross-conduction state the switching assembly (36) short-circuits the energy storage assembly (30), wherein in the bypass state the switching assembly (36) allows a direct electrical connection between the positive terminal (26) and the negative terminal (28); and- a energy storage local control unit (24) that is configured for detecting a fault condition of the energy storage assembly (30) based on the at least one sensor (35), and upon detecting the fault condition, for causing, preferably initiating, the switching assembly (36) to progress from the operational state through the cross-conduction state into the bypass state.
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