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148
results.
Updated on
23/12/2025 [07:25:00]
Results 50 to 75 of 148
Absstract of: DE102024116584A1
Die vorliegende Erfindung betrifft einen lösungsmittelbasierten Elektrolyt für einen elektrochemischen Energiespeicher, aufweisend wenigstens die folgenden Bestandteile:- wenigstens ein Lösungsmittel; und- wenigstens ein Leitsalz, wobei wenigstens ein Lösungsmittel der folgenden Formel (1) entspricht:wobei- R und R1 gleich oder verschieden sind und ausgewählt sind aus der Gruppe bestehend aus H, CH3, der Struktur gemäß Formel (2), der Struktur gemäß Formel (3) und der Struktur gemäß Formel (4), 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) R2und R3gleich oder verschieden sind und ausgewählt sind aus der Gruppe bestehend aus H, (CH2)x-CH3, wobei x eine ganze Zahl von 0 bis 9 ist.
Absstract of: DE102024122880A1
Eine Sekundärbatteriezelle umfasst ein Batteriezellengehäuse, einen Elektrolyten und eine Elektrodenanordnung. Die Elektrodenanordnung umfasst eine Kathode mit einem Kathodenbereich, eine Anode, einen Separator (i) mit einer der Anode zugewandten Seite und einer der Kathode zugewandten Seite, (ii) mit einem Bindungsbereich auf der der Kathode zugewandten Seite und vollständig außerhalb des Kathodenbereichs und (iii) ausgelegt, um die Kathode und die Anode physisch zu trennen, und einen Klebestreifen, der ausschließlich auf der der Kathode zugewandten Seite des Separators angebracht ist. Die Kathode ist von dem Separator entweder teilweise umschlossen oder vollständig umschlossen. Der Klebestreifen befindet sich vollständig in dem Bindungsbereich. Zwei Segmente des Klebestreifens auf gegenüberliegenden Seiten der Kathode sind miteinander verbunden.
Absstract of: WO2025259770A1
A solution and method for reduction of the deleterious effects of the impurities in secondary lead in batteries is disclosed. The solution comprises: a housing, a battery cell positioned within the housing having a lead, an acid within the housing, a chemical impurity in the lead, and a motivator within the housing and in coupled to the chemical impurity. The impurity may be one of copper, silver and bismuth. The method comprises integrating the motivator into the battery. The integration may comprise adding the motivator to the electrolyte in the housing. The method may comprise application of the motivator to various other aspects of the battery.
Absstract of: WO2025257871A1
The apparatus for feeding lids to the terminals of devices for storing electrical energy, such as electric batteries in particular, comprises a pair of handling members (2) adapted to transport a respective plurality of containers (3) step-by-step along relative feed directions (A, A'). Each container (3) is configured to contain a stack of a plurality of lids, each of which can be associated with a terminal of a cylindrical battery, and has, at least at one end, an opening (30) for collecting said lids. Downstream of said handling members (2) there are arranged a pair of gripping members (6), each gripping member (6) being operable in a gripping configuration to lock a container (3) transported to a collecting position (100) by said handling members (2). Collecting means (18) are adapted to collect one lid at a time from each container (3) and transport it to transport means (19) arranged downstream of said handling members (2), in order to transport said lids to a device for feeding cylindrical batteries.
Absstract of: WO2025259977A1
An example of an aerogel composite sheet stack includes a first sub-set, which includes at least one first sheet; a second sub-set, which includes at least one second sheet; an at least temporary attachment layer positioned in at least a portion of an interface between the first sub-set and the second sub-set, the at least temporary attachment layer being selected from the group consisting of: a release sheet; a thermoplastic film at least partially infiltrating pores of each of the at least one first sheet and the at least one second sheet, an adhesive positioned at an edge or a perimeter of the interface, and combinations thereof; and an aerogel material surrounding each of the first sub-set, the second sub-set, and the at least temporary attachment layer.
Absstract of: US2025385348A1
A battery includes an electrode assembly, a case including a bottom portion, a sidewall portion connected to the bottom portion and including a seating portion at one end thereof, and an upper opening opposite to the bottom portion, the case accommodating the electrode assembly, and a cap assembly that is coupled to the seating portion of the case, wherein the cap assembly includes at least one first engagement portion for coupling with the case, the case includes at least one second engagement portion respectively corresponding to the at least one first engagement portion, the seating portion including the at least one second engagement portion, and the at least one first engagement portion and the at least one second engagement portion are coupled to restrict movement of the cap assembly in an upward direction.
Absstract of: US2025385347A1
A grid-like pattern sealing device for sealing an electrode assembly by applying pressure to a pouch of a pouch-type battery according to an embodiment includes: a first sealing tool including a first pressure surface that is in close contact with a first sheet of the pouch; and a second sealing tool including a second pressure surface that is in close contact with a second sheet of the pouch, wherein the first pressure surface has a plurality of first convex portions, a plurality of second convex portions, and a plurality of first concave portions formed between the plurality of first convex portions and the plurality of second convex portions, the second pressure surface has a plurality of third convex portions, a plurality of fourth convex portions, and a plurality of second concave portions formed between the plurality of third convex portions and the plurality of fourth convex portions.
Absstract of: US2025384540A1
The present disclosure relates to lead tab alignment device comprising a photographing unit for photographing a battery cell including a lead tab portion under assembly, wherein the battery cell under assembly includes a case in which an electrode assembly and the lead tab portion electrically connected to the electrode assembly are arranged, and an alignment correction unit detachably coupled to the lead tab portion and for adjusting the position of the lead tab portion, and battery manufacturing system comprising same, and method for manufacturing battery cell by battery manufacturing system.
Absstract of: US2025386418A1
A circuit board assembly for a battery module includes a first printed circuit board (PCB) including a plurality of balancing resistors and a plurality of balancing circuit switches corresponding to the plurality of balancing resistors. The first PCB includes at least one metallic layer. The plurality of balancing resistors and the plurality of balancing circuit switches perform a cell balancing operation of a plurality of battery cells of the battery module. Heat generated during the cell balancing operation of the plurality of battery cells is dissipated via the first PCB. The circuit board assembly also includes a second PCB. The second PCB includes a plurality of resistor-capacitor (RC) low-pass filters and an analog front-end (AFE) chip that is adapted to at least monitor a voltage and a temperature of the plurality of battery cells of the battery module.
Absstract of: US2025385526A1
A system and method includes suppling power to a utility grid with a plurality of fuel cell power plants, storing power generated by the plurality of fuel cell power plants with an energy storage system including one or more batteries, and maintaining a standby state-of-charge of the one or more batteries of the energy storage system via an energy management system. The system and method further includes generating a load request to at least one of the plurality of fuel cell power plants via the energy management system, comparing the load request to a predetermined limit; and if the load request exceeds the predetermined limit, commanding the at least one of the plurality of fuel cell power plants to ignore the load request for a predetermined amount of time.
Absstract of: US2025385538A1
A battery cell charging method for a plurality of battery cells connected in series includes charging the plurality of battery cells with a first constant current, and cutting off the first constant current for a battery cell reaching a predetermined set voltage, and charging the plurality of battery cells with a second constant current lower than the first constant current when the first constant current is cut off for the plurality of battery cells, and cutting off the second constant current for a battery cell reaching the set voltage again.
Absstract of: US2025385535A1
To provide a charging method in accordance with a state of a positive electrode at the start of charging. To improve charge characteristics of a battery. The charging method is a method for charging a battery including a positive electrode active material represented by LixMO2 in a positive electrode. The Mis one or more selected from Co, Ni, Mn, and Al. It is determined whether the first charging is necessary or not by a value of the x at a time when charging of the battery starts. In the case where the first charging is determined to be necessary, second charging and third charging are performed in order after the first charging is performed. In the case where the first charging is determined to be unnecessary, the second charging and the third charging are performed in order. The first charging is performed for a charge time longer than or equal to 10 seconds and shorter than or equal to 30 seconds with a current value that is higher than or equal to 1 C and lower than or equal to 5 C. The second charging is constant current charging, and the third charging is constant voltage charging.
Absstract of: US2025385534A1
Methods, apparatuses, and systems are described for determining whether to charge a battery of a device based one or more parameters are described. A device may initially be fully charged in low power or sleep mode when it receives a power consumption event. Based on the power consumption event, the device may determine whether one or more parameter thresholds associated with the one or more parameters are satisfied and cause the device to charge the battery.
Absstract of: US2025385337A1
A battery module is disclosed. The battery module includes a battery stack including a plurality of battery cells stacked in a first direction, one or more pad members provided between the plurality of battery cells, and a heat transfer member. The heat transfer member is provided at one side of the battery stack and provided to be in contact with the battery stack. The plurality of battery cells extend in a second direction intersecting the first direction. The heat transfer member is provided at one side of the battery stack in a third direction intersecting the first and second directions. The heat transfer member includes first and second heat transfer members provided in the form of different materials.
Absstract of: US2025385530A1
Discussed is a battery apparatus that includes a main battery and an auxiliary battery. The battery apparatus can include a control unit that is configured to determine a state of the main battery according to a wake-up signal from the auxiliary battery, and a boost charger that receives power from the auxiliary battery and charges the main battery according to a determination of the control unit.
Absstract of: US2025385547A1
Aspects of the application describe a wireless charging device and a charging method. The wireless charging device comprises: a housing having a first form and a second form; a transmitting coil disposed inside the housing; and a controller disposed inside the housing and connected to the transmitting coil. When the housing is in the first form, the controller is configured to control the transmitting coil to charge the electronic device in a first charging mode. When the housing is in the second form, the controller is configured to control the transmitting coil to charge the electronic device in a second charging mode. A charging power in the first charging mode is different from a charging power in the second charging mode.
Absstract of: US2025385378A1
A battery module in which a plurality of battery cells are stacked, each of plurality of battery cells having a first side surface on which an electrode terminal is disposed, each of the plurality of battery cells having a rectangular parallelepiped appearance having a flat surface shape, wherein end plates are disposed at respective end portions of a stack of the plurality of battery cells, a collective terminal base including a connection portion coupled to an external connection member is joined to an electrode terminal of a battery cell that is in contact with at least one of the end plates, and the connection portion is provided on a surface of the end plate opposite to a surface of the end plate in contact with the battery cell.
Absstract of: US2025385503A1
A wiring module to be attached to a plurality of power storage devices includes a wire, a terminal connected to the wire, and a circuit board, with the terminal including a connecting part connected to the circuit board and a press-fit part different from the connecting part, and the circuit board having a connection land to which the connecting part is soldered and a press-fit hole arranged in a different position from the connection land and into which the press-fit part is press-fit.
Absstract of: US2025385307A1
A lithium-ion battery, including a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode material layer containing a lithium cobalt oxide, the negative electrode includes a negative electrode current collector and a negative electrode material layer formed on the negative electrode current collector, the negative electrode material layer includes a negative electrode active material, and the non-aqueous electrolyte includes a non-aqueous organic solvent, a lithium salt and an additive. The non-aqueous organic solvent includes a carboxylic ester. The lithium-ion battery provided by the application has good performance under high temperature and low temperature conditions.
Absstract of: US2025385334A1
An ECU is a control apparatus for an electricity storage system. The electricity storage system includes a battery cell, a temperature sensor, and a cooling and temperature raising device. The ECU includes a CPU. The CPU determines an estimated maximum value of the temperature difference between the detected temperature and the electrode temperature of the battery cell, and an estimated required time period required for the temperature difference to reach the maximum value. When a temperature raising duration exceeds the estimated required time period, the CPU reduces a temperature difference estimated value of the temperature difference between the temperature detected by the temperature sensor and the electrode temperature while causing the temperature raising to be continued to increase an electrode temperature estimated value of the battery cell and increase a charging electric power limit value of the battery cell corresponding to the electrode temperature estimated value.
Absstract of: US2025385320A1
A battery cell, a battery, an electric device, and a processing method for a battery cell are provided. The battery cell comprises an electrode assembly and active structures. The electrode assembly comprises a positive electrode sheetand a negative electrode sheet, wherein the positive electrode sheet comprises first straight segments and first bent segments, and the negative electrode sheet comprises second straight segments and second bent segments, the first straight segmentsand the second straight segments are alternately stacked to form straight portions, and the first bent segments and the second bent segments are alternately stacked to form corner portions. At least some of the active structures are provided between the first bent segments and the second bent segments adjacent to the inner sides of the first bent segments. In this way, the problem of ion precipitation at the corner portions can be solved.
Absstract of: US2025385314A1
The present application discloses an electrolyte for a lithium secondary battery, a secondary battery, and an electric device. The electrolyte for a lithium secondary battery includes a sulfate ester and difluorophosphate ions, a molar ratio of the sulfate ester to the difluorophosphate ions is (0.2 to 30):1, and a molar concentration of the sulfate ester is 0.04 mol/L to 0.16 mol/L.
Absstract of: US2025385350A1
A first spacer is disposed between a first sealing plate and an electrode assembly. The first spacer includes a first base portion, a first outer peripheral wall, and a first inner wall. The first base portion is provided with a plurality of through holes. The first outer peripheral wall extends from an outer peripheral edge of a surface of the first base portion on the first sealing plate side toward the first sealing plate, and has a first portion and a second portion facing each other. The first inner wall is provided to connect the first portion and the second portion of the first outer peripheral wall.
Absstract of: US2025385317A1
A secondary battery and an electric device. The secondary battery includes a negative electrode sheet and an electrolyte, where the negative electrode sheet includes a negative electrode current collector and a negative electrode active layer located on at least one surface of the negative electrode current collector, the negative electrode active layer includes graphite, and the areal density of the negative electrode active layer is 0.09 mg/mm2 to 0.16 mg/mm2; the lithium ion conductivity of the electrolyte at 25° C. is 10 mS/cm to 20 mS/cm; and the electrolyte includes a first solvent, the first solvent having a general structural formula of R1-COO—R2, where R1 and R2 are each independently selected from any one of C1-C5 alkyl and C1-C5 haloalkyl.
Nº publicación: US2025385311A1 18/12/2025
Applicant:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Absstract of: US2025385311A1
An electrolytic solution, a secondary battery and an electric device are described. The components of the electrolyte comprise a functional compound represented by formula (1). In formula (1), T1-T3 are each independently selected from any one of an alkyl group having 1-10 carbon atoms, an alkenyl group having 2-10 carbon atoms, an alkynyl group having 2-10 carbon atoms, and groups represented by following formulae (a)-(f). Among T1-T3, at least one is selected from the group represented by formula (a), and at least one is selected from the group represented by formula (b), (c), (d) or (e). In a charging/discharging process of the electrolyte, the functional compound represented by formula (1) can capture an oxidation product and improve the toughness of a formed SEI film, thereby improving the cycle performance of a secondary battery.
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