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ELECTRONIC DEVICE AND METHOD FOR CHARGING BATTERIES BY ADJUSTING ELECTRICAL CONNECTION BETWEEN BATTERIES

Resumen de: US2025175018A1

An electronic device includes: an interface; charging circuitry; a power management integrated circuit (PMIC); a processor; a plurality of battery cells comprising a first battery cell and a second battery cell; and switching circuitry to control an electrical connection of the plurality of battery cells, the switching circuitry being connected to the first node and the second node. The switching circuitry includes: a first switch to establish an electrical connection between the first node, and an anode of the first battery cell, based on a control signal received from the processor; a diode including an anode connected to a cathode of the first battery cell, and a cathode connected to an anode of the second battery cell; and a second switch to establish an electrical connection between the second node, and the anode of the first battery cell, in another state different from a state.

Accumulator with two interface devices

Resumen de: US2025175023A1

An accumulator, in particular as a releasable energy source for a power tool, containing at least one energy storage cell. The accumulator contains at least a first and second interface device, wherein the at least first and second interface devices are configured both to charge the at least one energy storage cell with electrical energy and to discharge electrical energy from the at least one energy storage cell. System containing a power tool and at least one accumulator, which is able to be connected to the power tool.

MOTOR CONTROLLER, POWERTRAIN, AND ELECTRIC VEHICLE

Resumen de: US2025175105A1

A motor controller, a powertrain, and an electric vehicle. The motor controller is configured to output a drive current or a heating current to an asynchronous motor. A waveform of each phase current of the drive current is a sine wave, and the drive current is used to control the asynchronous motor to output torque. A waveform of each phase current of the heating current is a square wave or a step wave, and the heating current is used to control the torque output by the asynchronous motor to be zero, and heat a winding of the asynchronous motor. Heat generated by the heating current on the winding of the asynchronous motor heats a power battery via a heat conduction apparatus. The motor controller adjusts a waveform of the heating current to increase heating power.

ISOLATION DIAGNOSTICS OF ELECTRICAL ENERGY STORAGE PACKS WHILE UNDER LOAD

Resumen de: US2025174980A1

A computer system has processing circuitry configured to detect an isolation fault of an electrical energy storage system comprising multiple electrical energy storage packs connectable to a voltage bus for providing power to an electric load; determine a subset of at least one of electrical energy storage pack that can be disconnected from the voltage bus without violating present power requirements for the electric load, wherein the following steps are repeated for each subset of at least one electrical energy storage pack until an isolation fault is detected in an electrical energy storage pack of the electrical energy storage system, or until all subsets of at least one electrical energy storage pack have been tested: disconnect a present subset of at least one electrical energy storage pack from the voltage bus; perform isolation fault check on the disconnected subset of at least one electrical energy storage packs while the other subsets of at least one electrical energy storage pack remain connected to the voltage bus, and provide a control message indicating the outcome of the isolation fault test.

END COVER ASSEMBLY, BATTERY PACK, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025174851A1

An end cover assembly includes a first end cover closing an opening of a first case, a second end cover closing an opening of a second case, an electrode terminal including a terminal body passing through the first and second end cover, and an acquisition member including a main body portion and a connecting portion. In a first direction, the main body portion is stacked between the first and second end covers. The connecting portion is connected to and extends from the main body portion in the first direction, and is connected to the terminal body to achieve electrical connection between the acquisition member and the electrode terminal. The connecting portion of the acquisition member extends from the main body portion in a stacking direction of the first end cover and the second end cover, and the connecting portion is connected to the terminal body of the electrode terminal.

BATTERY CELL, BATTERY CELL FABRICATION METHOD, AVIATION BATTERY, AND METHOD FOR MONITORING AVIATION BATTERY

Resumen de: US2025174850A1

The present disclosure relates to a battery cell, a battery cell fabrication method, an aviation battery, and a method for monitoring an aviation battery. The battery cell includes a housing and an electrode assembly accommodated in the housing. The battery cell further includes one or more sensor strips embedded between the electrode assembly and the housing and spirally wound around an outer peripheral surface of the electrode assembly. The battery cell, the battery cell fabrication method, the aviation battery, and the method for monitoring an aviation battery according to the present disclosure can accurately detect the state of each battery cell in an aviation battery in a real time manner, so as to enable early detection of abnormality of a single battery cell, thereby improving the state monitoring of the battery cell, and improving the safety performance of the battery cell and the battery including the battery cell

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025174844A1

A battery cell includes: an end cap assembly, including an electrode terminal; a housing, on which an opening is created, where the end cap assembly seals the opening; an electrode assembly, disposed in the housing, where the electrode assembly includes a tab; an adapter component, connected between the tab and the electrode terminal, where the adapter component includes a first connecting region configured to be connected to the electrode terminal, a second connecting region configured to be connected to the tab, and a transitional connecting region located between the first connecting region and the second connecting region; and an insulation piece, covering at least a part of the transitional connecting region.

Secondary Battery

Resumen de: US2025174823A1

A secondary battery having an electrode assembly in which electrodes and separators are alternatively stacked; a pouch in which the electrode assembly is accommodated; a plurality of electrode leads connected to side portions of the electrode assembly to and extending outside of the pouch; and a support configured to connect the plurality of electrode leads.

BUSBAR MODULE

Resumen de: US2025174842A1

A busbar module to be attached to a battery assembly includes: a first circuit body having a first wiring pattern; a second circuit body having a second wiring pattern; and electronic components each attached to a first branch line portion and a second branch line portion to each connect the first and second wiring patterns to the corresponding busbar. The first and the second wiring patterns are electrically connected at an overlapping portion of the first and second main line portions. Each of the first circuit body and the second circuit body has a slit-shaped isolation hole portion between adjacent connection points among a plurality of connection points in each of which a first contact portion and a second contact portion are connected. The isolation hole portion penetrates the overlapping portion in a thickness direction.

BUSBAR MODULE

Resumen de: US2025174840A1

A busbar module to be attached to a battery assembly includes: a first circuit body having a first wiring pattern; a second circuit body having a second wiring pattern; and an electronic component attached to first and second branch line portions to connect the first and second wiring patterns and busbars. The first and second wiring patterns are electrically connected at an overlapping portion of first and second main line portions. The busbar module further includes a waterproof portion that seals the overlapping portion in a watertight manner.

BATTERY MODULE

Resumen de: US2025174862A1

In a battery module, battery cells are disposed at predetermined positions in a cell holder and housed in an outer case. The cell holder includes: a holding portion into which lower portions of the battery cells are inserted to dispose the battery cells at the predetermined positions; a drainage space exposing the battery cells 1 above the holding portion; a drainage opening configured to drain water flowing into the drainage space; and an insulative partition wall disposed in the drainage space. The insulative partition wall protrudes upward from a surface of the holding portion, and has a lateral width (W).

LIQUID INJECTION JIG AND LIQUID INJECTION SYSTEM

Resumen de: US2025174858A1

In an embodiment, a liquid injection jig includes a peripheral wall, a bottom wall, and a plate-shaped portion. The peripheral wall surrounds a storage cavity where an electrolyte solution can be stored from an outer peripheral side. The bottom wall is connected to the peripheral wall with being adjacent to the storage cavity from one side in a height direction, and a discharge port through which an electrolyte solution can be discharged from the storage cavity toward a battery is formed in the bottom wall. The plate-shaped portion is connected to the peripheral wall in the storage cavity. A contact portion in contact with the peripheral wall and a separation portion having a gap with the peripheral wall are formed at the edge of the plate-shaped portion, and the gap is positioned away from the contact portion in a circumferential direction of the storage cavity.

CLAD TERMINAL EMBEDDED IN A SEPARATOR LAYER OF A BATTERY CELL FOR MONITORING VOLTAGE AND IMPEDANCE

Resumen de: US2025174849A1

A battery cell includes a cathode electrode including a cathode active material layer and a cathode current collector. An anode electrode includes an anode active material layer and an anode current collector. A solid electrolyte layer is arranged between the cathode active material layer and the anode active material layer. The cathode electrode and the anode electrode exchange lithium ions. A clad terminal comprises a first metal layer and a second metal layer and includes a first portion arranged in the solid electrolyte layer and a second portion extending from the solid electrolyte layer.

WATER FLOATATION DEVICE FOR WATER REMEDIATION

Resumen de: US2025171335A1

A water floatation device for water remediation of water body comprising an anchor connected to a buoy. The buoy includes a water remediation facilitator that is adapted to be connected to a solar panel, an antenna and a propeller (109) with a steering oar, plurality of water quality sensing sensors and a power adaptor. A cell is formed with at least two electrodes with intervening spaces between them and connected to the insulated proximal and distal end caps with perforations. The cell is electrically connected to the buoy. The water floatation device performs electrocoagulation and electro-oxidation of water and discharges the treated water back into the water body.

BATTERY PACK AND ENERGY STORAGE SYSTEM INCLUDING SAME

Resumen de: CN119698726A

A battery pack according to the present disclosure may include: a plurality of battery cells; an outer container accommodating the plurality of battery cells and including a plurality of unit portions arranged to extend in a width direction of the plurality of battery cells; and a reinforcing member that interconnects the plurality of unit portions and is inserted into the unit portions such that a surface of the reinforcing member does not contact the battery cells.

MEDICAL TREATMENT SYSTEM AND METHODS USING A PLURALITY OF FLUID LINES

Resumen de: US2025170313A1

A medical treatment system, such as peritoneal dialysis system, may include control and other features to enhance patient comfort and ease of use. For example, a peritoneal dialysis system may include a control system that can adjust the volume of fluid infused into the peritoneal cavity to prevent the intraperitoneal fluid volume from exceeding a pre-determined amount. The control system can adjust by adding one or more therapy cycles, allowing for fill volumes during each cycle to be reduced. The control system may continue to allow the fluid to drain from the peritoneal cavity as completely as possible before starting the next therapy cycle. The control system may also adjust the dwell time of fluid within the peritoneal cavity during therapy cycles in order to complete a therapy within a scheduled time period. The cycler may also be configured to have a heater control system that monitors both the temperature of a heating tray and the temperature of a bag of dialysis fluid in order to bring the temperature of the dialysis fluid rapidly to a specified temperature, with minimal temperature overshoot.

VAPORIZER POWER SYSTEM

Resumen de: US2025170342A1

A system includes a converter configured to electrically couple to a power source and to a heating element of a vaporizer atomizer. The converter can be further configured to receive a first voltage from the power source and provide a second voltage to the heating element. The converter can be a direct-current to direct-current converter. A power monitor configured to electrically couple to the heating element, measure a current through the heating element, measure a voltage over the heating element, calculate a power and/or resistance, and output a control signal to the converter. The converter can be configured to be controlled by the control signal to vary the second voltage to maintain a target power or a target temperature over the heating element. Related apparatus, systems, techniques and articles are also described.

Nanocomposite Coating Material for Rollers of Secondary Battery Electrode Manufacturing Equipment and Manufacturing System Thereof

Resumen de: US2025171907A1

It is an object to provide a coating material having heat resistance, adhesion resistance, durability, chemical resistance, low friction, and releaseability applied to a base material, and to provide a manufacturing method and manufacturing system for such a coating material. A ternary nanocoposite coating material comprising C—F—H or C—F—Si applied to a base material is disclosed.

COMPOSITION AND MULTILAYER BODY

Resumen de: US2025171618A1

Provided is a composition that enables excellent dispersibility of an inorganic filler and has excellent oxidation resistance. The composition contains an inorganic filler, a copolymer of a fluoromonomer and an amide bond-containing polymerizable vinyl compound, and a solvent.

SEALED METAL-AIR BATTERY

Resumen de: US2025174857A1

The purpose of the present invention is to realize a portable disaster prevention battery obtained by packaging, in a sealed container, a metal-air battery having high energy density. The sealed metal-air battery according to the present invention is a metal-air battery that uses metal in a negative electrode and an air electrode in a positive electrode and is provided with a sealed container accommodating the entire metal-air battery or at least a chemically reacting portion of the metal-air battery. The sealed container is a rigid metal container or a rigid resin container, and the inside of the sealed container during storage of the battery is in an atmospheric state or a vacuum state, or is an environment filled with an inert gas. During battery use, a portion of the sealed container is opened and an electrolytic solution is injected as to begin power generation. Alternatively, the inside of the sealed container during storage of the battery is in a state in which only the solute of electrolytic solution is accommodated therein, and during battery use, a portion of the sealed container is opened to inject the solvent of the electrolytic solution is injected to begin power generation.

RECHARGEABLE BATTERY SEPARATOR

Resumen de: US2025174829A1

Lithium ion batteries with separators are disclosed. An example lithium ion battery includes a cathode, an anode, a separator and electrolytes. The cathode releases lithium ions while the lithium ion battery is in a charging mode. The anode releases lithium ions while the lithium ion battery is in a discharging mode. The separator includes one or more pores that transport lithium ions from a first side to a second side in the charging mode, and further transport lithium ions from the second side to the first side in the discharging mode. The electrolytes carry the lithium ions released from the cathode through the separator to the anode in the charging mode, and further carries the lithium ions released from the anode through the separator to the cathode in the discharging mode. The separator includes a mixture of inorganic nanomaterials with polyolefin.

POLYMER, SEPARATOR, AND RELATED SECONDARY BATTERY AND ELECTRIC APPARATUS

Resumen de: US2025174828A1

A polymer, a separator, and a related secondary battery and electric apparatus are described. The polymer includes a first structural unit, a second structural unit, and a third structural unit; where the first structural unit includes a structural unit represented by formula (I), and in formula (I), R1 includes one or more of hydrogen atom and substituted or unsubstituted C1-C5 alkyl, and R2 includes one or more of substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C3-C20 cycloalkyl, and substituted or unsubstituted C1-C20 hydroxyalkyl; the second structural unit includes a structural unit represented by formula (II), and in formula (II), R3 includes one or more of hydrogen atom and substituted or unsubstituted C1-C5 alkyl; and the third structural unit includes a structural unit represented by formula (III). The units in the polymer can synergistically improve the adhesion, stability, swelling resistance, and thermal stability of the polymer.

BATTERY MODULE HAVING SEPARATION AND DISCHARGE UNIT AND BATTERY PACK INCLUDING THE SAME

Resumen de: US2025174819A1

A battery module includes a plurality of battery cells; a module case accommodating the plurality of battery cells and having at least one through-hole in at least one surface; and an ejected material separation and discharge unit disposed on an outer side of the module case such that an end communicates with the through-hole, and configured to separate materials ejected from the battery cells into solid ejected materials and vent gases including gas ejected materials and collect the solid ejected materials and vent the vent gases.

METHOD AND APPARATUS FOR PREDICTING BATTERY SWELLING

Resumen de: US2025172376A1

In a method for predicting swelling of a battery, the method includes: obtaining displacement data of at least one first node of a lower level assembly for a first time; predicting swelling of the battery including the lower level assembly using the displacement data of the at least one first node obtained during the first time as input data of a prediction model; and generating a signal to control operation of the battery based on the prediction of the swelling.

LITHIUM STUFFED GARNET SETTER PLATES FOR SOLID ELECTROLYTE FABRICATION

Nº publicación: US2025172340A1 29/05/2025

Solicitante:

QUANTUMSCAPE BATTERY INC [US]
QuantumScape Battery, Inc

Resumen de: US2025172340A1

Setter plates are fabricated from Li-stuffed garnet materials having the same, or substantially similar, compositions as a garnet Li-stuffed solid electrolyte. The Li-stuffed garnet setter plates, set forth herein, reduce the evaporation of Li during a sintering treatment step and/or reduce the loss of Li caused by diffusion out of the sintering electrolyte. Li-stuffed garnet setter plates, set forth herein, maintain compositional control over the solid electrolyte during sintering when, upon heating, lithium is prone to diffuse out of the solid electrolyte.