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1944
resultados
Última actualización
04/07/2025 [07:03:00]
Resultados 650 a 675 de 1944
Resumen de: US2025211152A1
The present directed to a cordless power tool system including a plurality of cordless power tools, a plurality of fixed voltage and multi-voltage battery packs and a plurality of battery pack chargers. The battery packs include a battery strap coupling a printed circuit board to a plurality of battery cells. The battery strap including a first portion and a second portion. The battery strap first portion is made of a first material and the battery strap second portion is made of a second portion that is different than the first material. The first portion of the battery strap may include a fuse.
Resumen de: US2025211002A1
A protection circuit configured to connect: a contact positive electrode terminal, a first contact negative electrode terminal, and a second contact negative electrode terminal that are exposed to an outside in a connector portion connected to a device including a secondary battery; and a positive electrode terminal and a ground terminal provided in a power output unit configured to output power supplied to the secondary battery via the contact positive electrode terminal, the first contact negative electrode terminal, and the second contact negative electrode terminal. The protection circuit uses a P-type MOSFET between the contact positive and positive terminals, with five paths: one links the contact positive to the MOSFET's drain, another connects the positive terminal to the source, a third ties the source path to the first negative terminal via a resistor, a fourth connects the gate to the resistor junction, and a fifth grounds the second negative terminal.
Resumen de: US2025210281A1
A disclosed electrochemical device includes a wound body that is constituted of a belt-shaped positive electrode containing active carbon as a positive electrode active material, a belt-shaped negative electrode, and a belt-shaped separator. The wound body includes a winding shaft part that is formed by being sandwiched between winding shafts and a winding part that is connected to the winding shaft part. The winding shaft part includes a portion of one end side of the negative electrode and a portion of one end side of the separator. The positive electrode, the negative electrode, and the separator are wound in the wound body such that both surfaces of the positive electrode face the negative electrode.
Resumen de: US2025211010A1
The present disclosure discloses a discharging circuit of an energy storage module, a backup power capacity determination method for an energy storage module, and a related assembly. The discharging circuit includes a constant-current source discharging circuit and a processor; the processor generates a target discharging current corresponding to a target type of an energy storage module; and when the energy storage module discharges by means of the constant-current source discharging circuit, the discharging current of the energy storage module is the target discharging current. Therefore, according to the present disclosure, different target discharging currents may be set for different types of energy storage module, and the energy storage module discharges at a constant target discharging current in a discharging process by means of the constant-current source discharging circuit.
Resumen de: US2025210728A1
Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.
Resumen de: US2025210782A1
A battery module for a battery pack has a first and a second longitudinal frame member extending in the longitudinal direction. At least three crossbeam frame members extend in the width direction. At least two separate cell stacks, each has a set of cylindrical battery cells and a holder in which the set of cylindrical battery cells are received.
Resumen de: US2025210755A1
A battery pack includes: a box with an accommodating space inside; a beam body, disposed in the accommodating space to divide the accommodating space into several accommodating sub-chambers; a liquid cooling plate, attached to one side of the beam body facing the accommodating sub-chamber, where the liquid cooling plate is connected to the beam body through welding, and a weld joint is formed at a welding position; an insulating layer, attached to one side of the liquid cooling plate facing the accommodating sub-chamber and covering at least the weld joint; and several battery cells, disposed within the accommodating sub-chamber and connected to the insulating layer and the liquid cooling plate to perform heat exchange with the liquid cooling plate.
Resumen de: US2025210753A1
A thermal regulation device for an electric energy storage member includes at least one support plate and at least one distribution plate secured to each other so as to delimit between them one or more circulation ducts for circulating a refrigerant, where the support plate and the distribution plate are two substantially planar plates secured to each other by means of ribs extending perpendicularly to each of the plates, and at least one circulation duct being delimited transversely, on at least one side, by a set of two parallel ribs.
Resumen de: US2025210970A1
A battery module is configured to supply electricity to a load connected to an output terminal. The battery module includes: an electricity storage unit; a relay that is provided between the electricity storage unit and the output terminal and configured to perform switching between an electrically conductive state and a cut-off state between the electricity storage unit and the output terminal; and a control unit configured to control a state of the relay. In the battery module, the control unit is configured to control the relay to be in the cut-off state under a condition that an output resistance of the battery module is equal to or more than a first threshold value.
Resumen de: US2025210694A1
The solid electrolyte layer for a solid-state battery includes a nonwoven fabric and a solid electrolyte, and the solid electrolyte is placed inside the nonwoven fabric, and the ratio of the volume of the nonwoven fabric to the volume of the solid electrolyte layer is 35% or more and 54% or less.
Resumen de: US2025206976A1
A slurry composition for a non-aqueous secondary battery functional layer contains a particulate polymer having a glass-transition temperature within a specific range and a water-soluble polymer including a sulfo group-containing monomer unit in a proportion of 3 mass % or more.
Resumen de: US2025206956A1
The present disclosure relates to the technical field of carbon black materials, and particularly to a granular carbon black and a preparation method therefor, an electrode and a secondary battery. For the granular carbon black, particle size distribution of the granular carbon black ranges as follows: a weight percent of granular carbon black with a particle diameter less than 0.125 mm is equal to or less than 2%, a weight percent of granular carbon black with a particle diameter ranging from 0.125 to 0.85 mm is from 18% to 60%, and a weight percent of granular carbon black with a particle diameter more than 0.85 mm is from 40% to 80%; and a secondary particle diameter D50 of the granular carbon black ranges from 2.0 μm to 3.51 μm.
Resumen de: US2025210737A1
Various systems and methods are provided for a battery management system. In one example, the battery management system includes a battery data receiving unit communicatively coupled to sensors of a battery pack. Further the battery data receiving unit includes instructions stored on non-transitory memory that when executed cause the battery data receiving unit to collect raw data from the sensors of the battery pack in a first format and transmit the collected raw data to an electronic control unit for downstream processing into a second format.
Resumen de: US2025210714A1
A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode includes a positive electrode active material. The positive electrode active material includes lithium iron phosphate particles. A loading amount of the positive electrode is about 450 mg/25 cm2 to 740 mg/25 cm2. The non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive. The additive includes at least one selected from the group consisting of compounds represented by Formulas 1 to 3 below. The additive is included in the non-aqueous electrolyte in an amount of about 0.1 wt % to 3 wt %.wherein R1, R2, R3, R4, n, and m are as defined above.
Resumen de: US2025206961A1
Provided are electrochemical cells with at least a portion of the exterior surface coated in a conductive aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells with aversive coatings capable of conducting electricity through the coating.
Resumen de: US2025210726A1
A battery system comprises: a control unit and at least one battery, wherein the battery comprises: an electrical box and a plurality of battery cells, a detection unit and a first switching unit that are provided in the electrical box, the plurality of battery cells being connected to form a battery cell assembly; and the control unit is separately connected to the detection unit and the first switching unit for controlling, according to a detection signal collected by the detection unit, the first switching unit to cut off or connect an internal power transmission line and/or an external power transmission line of the battery cell assembly.
Resumen de: US2025210984A1
The invention pertains to the control technology of microgrid energy storage systems, particularly to a hierarchical distributed control method and device for microgrid cluster with heterogeneous batteries. This method includes primary droop control, two-layer voltage regulation control, and two-layer power management control. The incremental cost of heterogeneous batteries is physically defined as the partial derivative of energy loss with respect to output power. A cooperative control method for the incremental cost of multiple heterogeneous battery units is proposed, which can achieve economic power distribution among multiple heterogeneous battery units while meeting the constraints of charging/discharging power, SoC, and power balance. This invention's method integrates battery types where charging efficiency is tied to charging power with those where charging efficiency is connected to SoC, ensuring ease of expansion. Even with the introduction of a new battery type in the microgrid cluster, the method continues to be effective.
Resumen de: US2025210916A1
A connection structure in which an electronic device and a battery are electrically connected via a connector, the connector including a first connector provided on a side of the electronic device connected to the high voltage circuit, and a second connector provided on a side of the battery module connected to the first connector. Further, the electronic device includes a release member, which relatively moves towards a direction to release the connection of the second connector with respect to the base, and the release member, when a load in the direction to release the connection is input from the housing, moves in the direction for releasing the connection of the second connector and apply a load to the second connector so as to release the connection with the first connector.
Resumen de: US2025210826A1
A battery is provided and includes a battery device, an outer package member, an external terminal, a first electrode lead, and a second electrode lead. The battery device includes a first electrode and a second electrode. The outer package member contains the battery device. The external terminal is attached to the outer package member with an insulating member interposed between the external terminal and the outer package member. The first electrode lead couples the first electrode and an inner surface of the external terminal to each other. The second electrode lead couples the second electrode and an inner surface of the outer package member to each other. One or each of the first electrode lead and the second electrode lead includes a first end part, a middle part, and a second end part in order along a width direction orthogonal to a longitudinal direction of corresponding one of the first electrode lead or the second electrode lead. The middle part is flat and is welded to the inner surface of the external terminal or the inner surface of the outer package member. The first end part, the second end part, or both are bent in a direction away from the inner surface of the external terminal or the inner surface of the outer package member.
Resumen de: US2025210825A1
A battery cell of the present disclosure includes an electrode assembly in which an electrode including a flag and a separator are wound, a can accommodating the electrode assembly, a cap plate sealing the can, and a current collector disposed between the cap plate and the electrode assembly and in contact with the flag, the can, and the cap plate, respectively.
Resumen de: US2025210819A1
A battery module including a busbar assembly including a busbar, a support film supporting the busbar, and a support plate supporting the support film, and a method for manufacturing the same are disclosed. A battery module includes: a plurality of battery cells arranged in a first direction and each including a cell case and a cell terminal protruding from the cell case; and a busbar assembly including a busbar to allow electrical connection between respective cell terminals of at least one pair of battery cells among the plurality of battery cells, a support film coupled to the busbar to support the busbar, and a support plate coupled to the support film to support the support film.
Resumen de: US2025210691A1
A solid electrolyte including a mixed solid ion conductor with a metal nitrate or a hydrate thereof. The metal of the metal nitrate is one or more of an M metal or an M′ metal, the M metal is a monovalent cationic metal, and the M′ metal is one or more of a divalent cationic metal, a trivalent cationic metal, a tetravalent cationic metal, a pentavalent cationic metal or a hexavalent cationic metal. Also disclosed are an electrochemical device including the solid electrolyte, and a method of preparing the solid electrolyte.
Resumen de: US2025210670A1
A current collector for a bipolar battery has a conductive region. An insulating region is formed around the conductive region to shield the conductive region.
Resumen de: US2025210661A1
An electrode assembly, a battery cell, a battery, and an electrical device are described. The electrode assembly includes a positive electrode plate, a negative electrode plate, a separator, and an organic coating. The separator is disposed between the positive electrode plate and the negative electrode plate. The organic coating is disposed on a side of the positive electrode plate facing the separator and/or on a side of the separator, and the organic coating includes organic particles that react with dendrites containing metal elements.
Nº publicación: US2025210788A1 26/06/2025
Solicitante:
EVE ENERGY CO LTD [CN]
EVE ENERGY CO., LTD
Resumen de: US2025210788A1
The disclosure provides a battery module and a battery pack. The battery module includes a plurality of cells, two end plates, and at least one hold-down strip; the plurality of cells are arranged sequentially in a first direction to form a cell group; the two end plates abut against two ends of the cell group, respectively; and the hold-down strip abuts against the cell group, the hold-down strip includes a hold-down strip body and a connecting component, the hold-down strip body extends in the first direction, the connecting component is connected to an end of the hold-down strip body in the first direction, and the connecting component movably abuts against a side of one of the two end plates away from the cell group.
BOPI
Sede Electrónica
