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METAL AQUEOUS BATTERY INCLUDING AN ANODE CURRENT COLLECTOR

Resumen de: US2025183377A1

A metal aqueous battery includes a double cell comprising a pair of single cells. In particular, each single cell includes: an anode; a cathode; a separator interposed between the anode and the cathode; a plate having an internal space configured to accommodate the anode; and an anode current collector seated in the internal space. The internal space of the plate communicates with an outside via an opening formed in one surface of the plate. In addition, the anode current collector comprises a body having a shape of a container having an open upper part and a closed bottom surface so as to accommodate the anode. The metal aqueous battery has a new structure in which a current generation rate is increased.

MICROBALLASTED ELECTRODES

Resumen de: US2025183381A1

An electrode includes an electrode active material layer comprising electrode active heteroclusters. The electrode active heteroclusters include an electrode active material particle having an electrolyte contacting outer surface and a plurality of metal particles non-homogeneously distributed around and confined to and in electrical contact with the electrolyte contacting outer surface. The metal particles have a largest dimension that is smaller than the largest dimension of the electrode active material particle to which they are attached. The metal particles of an electrode active heterocluster are in electrical contact with at least one adjacent electrode active heterocluster. A method of making an electrode, a battery, and a method of making a battery are also disclosed.

Method And System For Key Predictors And Machine Learning For Configuring Cell Performance

Resumen de: US2025183392A1

A method of managing battery performance may include obtaining, via a measurement device, measurements of one or more parameters relating to one or more cells; generating or updating, based on the measurements, a machine learning model; and generating, using the machine learning model, cell performance prediction data for use in managing at least one cell. Each cell includes a cathode, a separator, and a silicon-dominant anode. The measurements of the one or more parameters correspond to a plurality of different types of data. The measurements include one or more of: measurements of cells or cell components before formation or cycling, measurements from formation cycles for one or more cells, measurements from a number of cycles after formation for one or more cells, and measurements of characteristics of cell components prior to cell assembly.

METHOD USING SOLVENT EXTRACTION FOR SELECTIVE RECOVERY OF VALUABLE METAL FROM LITHIUM SECONDARY BATTERY WASTE MATERIAL

Resumen de: US2025183398A1

In a method of selectively recovering a valuable metal from lithium secondary battery waste, a complex oxide is separated from a lithium secondary battery waste powder. The powder is dissolved in sulfuric acid. The solution is separated into a solution and a residue by solid-liquid separation. The solution is subjected to solid-liquid separation to produce a solution and a solid. Valuable metal manganese is extracted from the solution by solvent extraction, and the remaining valuable metals including cobalt, nickel, and lithium are separated into a first raffinate. Valuable metal cobalt is extracted from the first raffinate by solvent extraction, and the remaining valuable metals are separated into a second raffinate. Valuable metal nickel is extracted from the second raffinate by solvent extraction, and the remaining valuable metal lithium is separated into a third raffinate. Valuable metal lithium is extracted and concentrated from the third raffinate.

PRODUCTION METHOD FOR RECYCLED MATERIAL AND PRODUCTION SYSTEM

Resumen de: US2025183397A1

A method of producing a recycled material comprises, in the following order, “(a) preparing an electrode including a base material and an electrode composite material”, “(b) bringing the electrode into contact with an aqueous ammonia solution”, “(c) separating the electrode composite material from the base material”, and “(d) drying the electrode composite material”. In the (a), the electrode composite material is adhered to at least part of the base material. The base material includes aluminum. The electrode composite material includes an active material.

BATTERY

Resumen de: US2025183281A1

In the present disclosure, the problem is solved by providing a battery including: a positive electrode layer containing a positive electrode active material; a negative electrode layer containing a negative electrode active material; and an electrolyte layer containing an electrolyte, and disposed between the positive electrode layer and the negative electrode layer, wherein the negative electrode layer contains a Si-based negative electrode active material as the negative electrode active material, the Si-based negative electrode active material has a pore inside a primary particle, and a ratio of a negative electrode capacity to a positive electrode capacity is 2.5 or more.

STORAGE CONTAINER SUPPORT ASSEMBLY

Resumen de: US2025183401A1

An embodiment battery housing includes a base plate disposed on a lower side of a battery module and configured to support the battery module and a support member supported by the base plate to define an accommodation space for accommodating the battery module and defining a cooling water channel in which cooling water configured to cool the battery module flows in an interior thereof, wherein the cooling water channel includes a first cooling water channel communicated with an introduction hole through which the cooling water flows into the support member and a second cooling water channel communicated with a discharge hole through which the cooling water flowing in the first cooling water channel is discharged from the support member after circulating, wherein the second cooling water channel is disposed on an upper side of the first cooling water channel.

THERMAL MANAGEMENT SYSTEM WITH DUAL CONDENSERS

Resumen de: US2025178402A1

A thermal management system includes a refrigeration circuit that cools at least a first coolant that circulates around a battery cooling loop. Refrigerant of the refrigeration circuit is cooled at a liquid-cooled condenser and at an air-cooled condenser. In certain examples, the liquid-cooled condenser is cooled by coolant circulating along a propeller arrangement cooling loop. In certain examples, the coolant from the propeller arrangement cooling loop may be combined with coolant from the battery cooling loop.

ACTIVE HEAT SHARING BETWEEN CABIN AND HIGH VOLTAGE BATTERY

Resumen de: US2025178400A1

A vehicle includes a traction battery and an electric machine powered by the traction battery and configured to power wheels of the vehicle. The vehicle further includes a thermal-management system having a battery loop configured to circulate coolant through the traction battery, a cabin heating loop configured to circulate coolant through a heater and a heater core, a blower configured to circulate air through the heater core to heat a passenger cabin of the vehicle, and a valve configured to fluidly connect the battery loop and the heating loop when the valve is in a first position and configured to fluidly isolate the battery loop from the heating loop when the valve is in a second position. A controller is programmed to, responsive to (i) the battery charging, (ii) a temperature of the battery being less than a first threshold, and (iii) a temperature of the heater core being greater than a second threshold, energize the heater and command the valve to toggle between the first and second positions in succession such that heat generated by the heater is circulated to the battery and the heater core.

CORDLESS FASTENING TOOL

Resumen de: US2025178172A1

A cordless fastening tool includes a housing; a magazine configured to accommodate fasteners; a firing device configured to guide the fasteners along a first direction; a battery pack; and a battery pack mounting portion connected to the housing and configured to detachably support the battery pack. The battery pack is configured to be mounted to the battery pack mounting portion along a second direction perpendicular to the first direction.

Battery Diagnosis System

Resumen de: US2025180649A1

A battery diagnosis system includes a controller that obtains operation data of a power storage device including a plurality of secondary battery cells, computes a battery state value on the basis of the obtained operation data, and diagnoses a state of the power storage device on the basis of the computed battery state value, and an output device that outputs a result of the diagnosis of the power storage device performed by the controller. The operation data includes a minimum value and a maximum value of cell voltages of the plurality of secondary battery cells constituting the power storage device. The controller computes a minimum cell capacity or a maximum cell resistance as the battery state value on the basis of the minimum value of the cell voltages measured when a charge/discharge state of the power storage device is a first state and the maximum value of the cell voltages measured when the charge/discharge state of the power storage device is a second state.

METHOD OF DETERMINING ONE OR MORE OPERATING PARAMETERS OF AN ELECTRICAL DEVICE

Resumen de: US2025180661A1

A sensing film comprises a substrate, one or more sensing elements arranged on said substrate, wherein said one or more sensing elements are formed by one single responsive material which is configured to exhibit changes in electrical resistance in response to changes in said operating parameters, a plurality of monitoring circuits arranged at predefined monitoring positions that are spaced apart from each other over said substrate, said monitoring circuits being configured to monitor the electrical resistance of said one single responsive material at monitoring positions.

Electrode Assembly, Manufacturing Apparatus For Electrode Assembly, And Manufacturing Method For Electrode Assembly

Resumen de: US2025183346A1

The present application relates to an electrode assembly and an apparatus and method for manufacturing the same.

CRYSTALLINE SULFIDE SOLID ELECTROLYTE AND METHOD FOR PRODUCING SAME

Resumen de: US2025183359A1

Provided are: a crystalline sulfide solid electrolyte, which has an improved ionic conductivity while adopting a liquid phase method, contains predetermined atoms, has a diffraction peak in X-ray diffractometry using a predetermined CuKα ray, and has a thio-LISICON Region II-type crystal structure as a basic structure; and a method for producing a crystalline sulfide solid electrolyte, the method including mixing using predetermined complexing agents and an instant drying step.

LIQUID COOLING PLATE, BATTERY PACK AND LOWER CASE THEREFOR, AND ENERGY STORAGE SYSTEM

Resumen de: US2025183406A1

A liquid cooling plate, a battery pack and a lower case therefor, and an energy storage system are provided. A plurality of main liquid cooling flow channels and auxiliary liquid cooling flow channels are arranged in a liquid cooling plate of a lower case for a battery pack. An integrated design of the liquid cooling plate and the lower case for the battery pack is realized without the need for installing a separate liquid cooling plate, so that the space utilization rate and energy density of the battery pack is improved. Moreover, the auxiliary liquid cooling flow channels cooperates with the main liquid cooling flow channels, the heat exchange effect between the coolant and the battery cell is improved, and the temperature consistency among the battery cells is enhanced. Therefore, the technical problem of poor temperature consistency among the battery cells is alleviated.

BATTERY CASE FOR ELECTRIC VEHICLE, AND METHOD FOR MANUFACTURING SAME

Resumen de: US2025183444A1

An electric vehicle battery case includes: a frame including a plurality of framework members and joined through a joining member, the frame formed in a polygonal frame shape when viewed from a vehicle vertical direction, the frame configured to define a through hole inside; and a tray configured to house a battery, the tray disposed at least partially in the through hole of the frame. The plurality of framework members and include a first framework member and a second framework member which are made of an aluminum extruded material. In the frame, the first framework member and the joining member are joined by a mechanical joining method, and the second framework member and the joining member are joined by a mechanical joining method, which leads to the first framework member and the second framework member being indirectly joined through the joining member.

ELECTRIC CIRCUIT AND STORAGE MEDIUM

Resumen de: US2025183389A1

An electric circuit mounted on a vehicle includes a first battery, a second battery, a three-phase motor, an inverter circuit, a charging socket, a connection switching circuit, and a control circuit. The control circuit selectively executes the step-down charging operation and the direct charging operation such that, when the deterioration determination process determines that there is no deterioration, the step-down charging operation is executed when the output voltage difference is larger than the reference value and the direct charging operation is executed when the output voltage difference is smaller than the reference value. When it is determined that there is deterioration in the deterioration determination process, the control circuit executes the step-down charging operation regardless of the output voltage difference.

WIRELESS COMMUNICATION METHOD IN BATTERY PACK AND MASTER BMS PROVIDING THE METHOD

Resumen de: US2025183378A1

The present invention relates to a wireless communication method in a battery pack and a master BMS for providing the method. The master BMS according to the present invention, as a master BMS for performing wireless communication with a slave BMS according to a frequency hopping method in a battery pack, may include: a communicator for receiving first channel scan information generated by scanning a plurality of channels belonging to a frequency bandwidth used in the wireless communication by a device disposed outside the battery pack; a channel analyzer for generating second channel scan information by scanning the channels belonging to the frequency bandwidth; a storage unit for storing a reference signal to noise ratio (SNR) value on the wireless communication; and a control unit for selecting a hopping channel used in the frequency hopping method based on the first channel scan information, and calculating signal intensity of the selected hopping channel based on the second channel scan information and the reference SNR value.

APPARATUS FOR MANUFACTURING SECONDARY BATTERY, AND METHOD FOR MANUFACTURING SECONDARY BATTERY USING SAME

Resumen de: US2025183345A1

Discussed is an apparatus for manufacturing a secondary battery. The apparatus can include a masking jig which is configured to secure electrode leads and bus bars and includes a plurality of inner walls defining an opening exposing the electrode leads and the bus bars; a first beam source configured to generate a welding beam; a second beam source configured to generate an inspection beam; a scanner head configured to direct the welding beam and the inspection beam to the electrode leads and the bus bars; a detector; a processor; and a controller.

DECOUPLED ELECTRODE ELECTROCHEMICAL ENERGY STORAGE SYSTEM

Resumen de: US2025183341A1

Systems and methods of the various embodiments may provide decoupled electrode electrochemical energy storage systems.

CELL STACKING SYSTEM FOR STACKING SEGMENTS OF ENERGY CELLS, METHOD FOR CONTROLLING SUCH A CELL STACKING SYSTEM, SUB-DEVICE OF A CELL STACKING SYSTEM OR IN A CELL STACKING SYSTEM, AND SUB-METHOD FOR PRODUCING CELL STACKS IN A CELL STACKING SYSTEM

Resumen de: US2025183348A1

The invention relates to a cell stacking system for stacking segments of energy cells, comprising—a feed device which continuously feeds the segments at a feed speed, —a discharge device which discharges the segments in stacks, and—at least one cell stacking apparatus which receives the segments from the feed device and transfers the segments to the discharge device in a stacked manner, wherein—the cell stacking apparatus has at least one removal apparatus and a depositing element, and—the depositing element has a transfer device, a depositing lever, and a receptacle which can be moved from a receiving position into a dispensing position and vice versa, wherein—the depositing lever removes the segments from the removal apparatus and transfers the segments into the receptacle arranged in the receiving position and—the transfer device can be moved from a ready position into a holding position, wherein—the transfer device is arranged in the holding position during the movement of the receptacle from the receiving position into the dispensing position and forms a intermediate support for depositing the segments.

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US2025183273A1

An anode active material for a lithium secondary battery includes a composite particle. The composite particle includes a carbon-based particle including pores, and a silicon-containing coating formed on a surface of the carbon-based particle. A crystallite size of silicon included in the silicon-containing coating after a heat treatment of the composite particle at a temperature of 900° C. to 1200° C. for 6 hours to 9 hours measured by an X-ray diffraction (XRD) analysis is 10 nm or less.

IMPEDANCE MEASUREMENT DEVICE, MEASUREMENT METHOD AND SECONDARY BATTERY DIAGNOSIS SYSTEM

Resumen de: US2025180660A1

An impedance measurement device includes: an applicator that applies a voltage or a current consisting of a staircase wave with 3 or more steps to any electrochemical system as an input signal; a measurer that measures a voltage input value or a current input value of the input signal and a current response value or a voltage response value corresponding to the input signal as a response signal; and a calculator that calculates impedance values at plural frequencies from the current response value or the voltage response value of the response signal.

LOAD MEASUREMENT METHOD AND APPARATUS OF BATTERY BALANCER, COMPUTER DEVICE AND STORAGE MEDIUM

Resumen de: US2025180658A1

Disclosed is a load measurement method of a battery balancer, which includes: performing discharging control on a cell until reaching cutoff voltage; performing charging control on the cell according to preset constant charging power until reaching a preset upper limit of a cell load, generating cell charging efficiency information, and generating cell discharging efficiency information; performing charging/discharging cycle control on the cell and obtaining charging/discharging cycle control efficiency information; and calculating and generating cell load state information by using a cell load algorithm based on the cell charging efficiency information, the cell discharging efficiency information and the charging/discharging cycle control efficiency information, and generating a cell load state curve. By implementing the method in the embodiment of the present application, the calculation accuracy of a SOC can be improved, the battery management and performance evaluation can be optimized, and the evaluation capacity of the charging/discharging efficiency can be improved.

Electrode Drying Apparatus and Electrode Drying Method Using Same

Nº publicación: US2025180291A1 05/06/2025

Solicitante:

LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd

Resumen de: US2025180291A1

An electrode drying device includes: a drying chamber having an inlet for receiving the electrode substrate on one side and an outlet for discharging the electrode substrate on other side; a piston rod positioned inside the drying chamber, extending upwardly and downwardly to press against both end portions in the width direction of an electrode substrate; a cylinder for moving a piston rod up and down in the thickness direction of the electrode substrate; and a plate coupled to an end facing the electrode substrate of the piston rod, and extending in a direction perpendicular to the width direction of the electrode substrate, so that even, the piston rod presses on the two end portions to suppress the bending phenomenon of the two end portions, and the plate coupled with the piston rod blocks the hot air applied to the two end portions to prevent excessive drying by hot air.