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SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME

Resumen de: US2025140934A1

A case includes a case main body provided with a first opening at one end portion of the case main body and a second opening at the other end portion of the case main body, accommodating the electrode assembly in the case includes inserting the electrode assembly into the case main body through the first opening, and at an end portion of a main body portion of the electrode assembly on the positive electrode tab side, a positive electrode protective layer protrudes to the positive electrode tab side with respect to an end portion of a negative electrode active material layer.

REACTIVE SINTERING OF CERAMIC LITHIUM-ION SOLID ELECTROLYTES

Resumen de: US2025140897A1

Solid lithium-ion ceramic electrolyte membranes have an average thickness of less than 200 micrometers. A constituent electrolyte material has an average grain size of less than 10 micrometers. The solid lithium-ion ceramic electrolyte is free-standing. Alternatively, solid lithium-ion electrolyte membranes have a composition represented by Li1+x−yMxM′2−x−yM′′y(PO4)3, where M is a 3+ ion, M′ is a 4+ ion, M′′ is a 5+ ion, 0≤x≤2 and 0≤y≤2.

BATTERY CELL PRESSING DEVICE AND BATTERY MODULE COMPRISING BATTERY CELL PRESSING DEVICE

Resumen de: US2025140893A1

A battery cell pressing system may include a sealed case having an internal chamber, the sealed case including at least one window to allow visual inspection of the internal chamber; a pouch-type battery cell disposed within the internal chamber of the sealed case; a fluid filling the internal chamber and surrounding the pouch-type battery cell; a fluid entrance in fluid communication with the internal chamber; a pressing member configured to adjust a pressure of the fluid within the internal chamber such that the pressure at which the fluid presses the pouch-type battery cell is approximately 1 MPa to 10 MPa; a heater configured to heat the fluid within the internal chamber; and a pressure measuring member configured to measure the pressure within the internal chamber. The fluid isotropically presses the pouch-type battery cell during at least one of charging and discharging of the pouch-type battery cell.

ELECTRONIC DEVICE

Resumen de: US2025142740A1

An electronic device of a novel embodiment, specifically an arm-worn electronic device used while being worn on an arm, is provided. An arm-worn secondary battery used while being worn on an arm is provided. An electronic device is provided, which includes a structure body having a curved surface as a support structure body, a flexible secondary battery including a film as an exterior body over the curved surface of the support structure body, and a display portion including a plurality of display elements between a pair of films over the secondary battery. The plurality of display elements and the secondary battery overlap with each other at least partly. It is possible to provide an electronic device which has a small maximum thickness of 1 cm or less and a light weight of 50 g or less even when an arm-worn secondary battery is provided with a display portion

VEHICLE IMPACT DETECTION DEVICE

Resumen de: US2025141213A1

A vehicle impact detection device includes: an amplifier configured to receive and amplify an impact signal of a vehicle; a comparative voltage circuit configured to generate a first reference signal; a first comparator configured to output a control signal indicating that a predetermined first impact detection condition or a predetermined second impact detection condition is satisfied, based on an amplified signal output by the amplifier and the first reference signal; and a driver configured to cut off an output of a battery on basis of the control signal, wherein the comparative voltage circuit is configured to reduce a magnitude of the first reference signal over time in response to detection of the amplified signal output by the amplifier.

Vehicle Power Supply Device

Resumen de: US2025141214A1

A vehicle power supply device comprises: a first power storage element group having multiple power storage elements connected in series; a second power storage element group connected in series to the positive pole side of the first power storage element group forming a high-voltage DC power supply by being combined with the first power storage element group; an active balancer; a first switching means and second switching means disposed between the first power storage element group and a low-voltage load; a control means; an interrupting means for interrupting power from the high voltage DC power supply; and a power leakage detection means. The control means determines a signal transmitted from the power leakage detection means during a dead time period in which the first and second switching means are OFF, and interrupts power supplied to the load for a prescribed period if the leakage current has reached a prescribed level.

Optical Data Transmission Using a Power Tool Device

Resumen de: US2025141247A1

Data are optically transmitted from a power tool device, such as a power tool, a power tool battery charger, power tool pack adapter, and/or a battery pack. The data are stored in a memory of the power tool device and are encoded as optical signal data to provide an encoded representation of the stored data. An optical transmitter (e.g., a light emitting diode or a flat panel display) transmits the optical signal data, which are detected or otherwise received by an optical receiver device, which may include a camera or other photodetector. The optical signal data may include light signals generated by an LED, where the data are encoded using an encoding scheme that modulates one or more characteristics (e.g., amplitude, wavelength, color) of the generated light signals. The optical signal data may also include images (e.g., barcodes, QR codes) or characters.

SOLID ELECTROLYTE FOR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME

Resumen de: US2025140913A1

One embodiment of the present invention provides a solid electrolyte which has an argyrodite crystal structure and contains lithium, phosphorus, sulfur, element M, oxygen, and halogen elements, wherein the element M is at least one selected from an element (M2) with an oxidation number of 2+ and an element (M6) with an oxidation number of 6+, a substitution rate DS1 (%) of the element M represented by Relational Formula 1 is 0.1 to 1%, and a substitution rate DS2 (%) of the oxygen represented by Relational Formula 2 is 0.15% to 2%.

SECONDARY BATTERY SUPPORT BODY AND SECONDARY BATTERY

Resumen de: US2025140910A1

A secondary battery support body makes it possible to obtain a solid electrolyte layer having low resistance and achieve reduction in interface resistance between the solid electrolyte layer and a positive electrode or a negative electrode. This secondary battery support body is included in a solid electrolyte layer of a secondary battery, and is made of paper or nonwoven fabric having a porosity of 60-90% and a specific surface area per unit volume of 0.1-1.0 m2/cm3.

ALL-SOLID RECHARGEABLE BATTERY

Resumen de: US2025140911A1

An all-solid rechargeable battery includes a negative electrode; a first solid electrolyte layer on one surface of the negative electrode; a second solid electrolyte layer on one surface of the first solid electrolyte layer, and a positive electrode on one surface of the second solid electrolyte layer, wherein the first solid electrolyte layer includes rounded first solid electrolyte particles, and the first solid electrolyte layer has a first thickness of 2 μm or less.

BATTERY ELECTROLYTE SOLUTION AND BATTERY

Resumen de: US2025140931A1

Disclosed are a battery electrolyte solution and a battery. The battery electrolyte solution includes an organic solvent, an additive, and an electrolyte salt, and the electrolyte solution is in contact with a negative electrode plate; the organic solvent includes an ethyl group solvent, the additive includes fluoroethylene carbonate, the electrolyte salt includes a lithium salt, and percentages of the ethyl group solvent, the fluoroethylene carbonate, and the lithium salt in a total mass of the electrolyte solution are configured as follows: 0.4−N3≤A+B2+C2≤5.2−N3, where N denotes a peeling strength value of the negative electrode plate, A, B, and C respectively denote a percentage of the mass of the ethyl group solvent, the fluoroethylene carbonate and the lithium salt in the total mass of the electrolyte solution.

ALL-SOLID-STATE BATTERY

Resumen de: US2025140908A1

Provided is an all-solid-state battery with high productivity. An all-solid-state battery according to the present invention relates to Goals 3, 7, 11, and 12 of SDGs. An all-solid-state battery according to the present invention includes a stacked body provided with a positive electrode, a negative electrode, and a solid electrolyte sheet interposed between the positive electrode and the negative electrode, in which the solid electrolyte sheet contains a porous substrate and a solid electrolyte, the solid electrolyte is retained in pores of the porous substrate, both surfaces of the porous substrate are covered with the solid electrolyte, and in the solid electrolyte sheet, the porous substrate is located biased toward the positive electrode in a thickness direction of the solid electrolyte sheet, and the solid electrolyte sheet has a thickness of 50 μm or less.

BATTERY ELECTRODE

Resumen de: US2025140901A1

An electrochemical cell including an electrode including a sulfuric conversion electroactive material, and a solid state electrolyte comprising an oxysulfide; a liquid electrolyte; a separator; and a negative electrode.

Controlling usage of energy storages

Resumen de: US2025141226A1

A computer implemented method for controlling a pool of energy storages. The energy storages of the pool have capacity limits defining how the energy storages are intended to be used. The method is performed by detecting an exception event; selecting one or more energy storages associated with the detected exception event; and temporarily adjusting at least one capacity limit of the selected energy storages in accordance with the detected exception event.

PARALLEL CONTROL METHOD FOR MULTIPLE BATTERY PACKS AND BATTERY MANAGEMENT SYSTEM

Resumen de: US2025141254A1

A parallel control method for multiple battery packs includes: in response to the multi-battery pack system being in a charging state, acquiring real-time voltages of the battery packs in the multi-battery pack system; determining a first battery pack and a second battery pack based on the real-time voltages, wherein a voltage of the first battery pack is a minimum voltage in the real-time voltages, and a voltage of the second battery pack is a second minimum voltage in the real-time voltages; controlling the first battery pack to be charged; and in response to the voltage of the first battery pack and the voltage of the second battery pack satisfying a predetermined charging condition, controlling the first battery pack and the second battery pack to be simultaneously charged, and analogously continuing such control until the all the battery packs in the multi-battery pack system are simultaneously charged.

ONE-BODY PARTICLE AND ACTIVE MATERIAL FOR SECONDARY BATTERY INCLUDING THE SAME

Resumen de: US2025140803A1

Disclosed are a novel one-body particle for secondary battery active materials, including a core and a coating layer formed on at least a part of the core, wherein the coating layer comprises both Co and a structure-stabilizing element, the core is present as a non-aggregated primary particle, and the structure-stabilizing element has a bond dissociation energy (BDE) with oxygen (O) greater than a bond dissociation energy (BDE) of Co and oxygen (O), and a method of preparing a novel one-body powder containing the same.

ELECTRODE ASSEMBLY AND RECHARGEABLE BATTERY INCLUDING THE SAME

Resumen de: US2025140783A1

An electrode assembly includes: an oriented negative electrode, a non-oriented negative electrode, a positive electrode between the oriented negative electrode and the non-oriented negative electrode; and a separator between the positive electrode and the oriented negative electrode and between the positive electrode and non-oriented negative electrode, wherein the oriented negative electrode includes a first negative electrode active material including particles oriented in one direction and wherein the non-oriented negative electrode includes a second negative electrode active material including particles randomly oriented in one or more directions.

ELECTRODE SLURRY, ELECTRODE LAYER, ALL SOLID STATE BATTERY, AND METHOD FOR PRODUCING ELECTRODE SLURRY

Resumen de: US2025140789A1

A main object of the present disclosure is to provide an electrode slurry of which dispersibility of a fiber shaped conductive material is well. The present disclosure achieves the object by providing an electrode slurry used for an all solid state battery, the electrode slurry containing an electrode active material including a hydroxyl group, a fiber shaped conductive material including an acidic functional group, a solid electrolyte, and a dispersion medium.

LITHIUM ION BATTERY

Resumen de: US2025140928A1

The lithium ion battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode mixture. The positive electrode mixture contains a positive electrode active material and active lithium. A mass fraction of the active lithium with respect to a total of the positive electrode active material and the active lithium is 0.25% or more. The electrolytic solution contains a solvent and a lithium salt. The solvent contains a carboxylic acid ester in a volume fraction of 40% or more.

CARBON BLACK, COMPOSITION, LAMINATE, AND BATTERY

Resumen de: US2025140864A1

A carbon black having a bulk density of 0.08 g/cm3 or lower after being compressed at 490 Pa for 3 minutes. A carbon black having a bulk density of 0.1 g/cm3 or lower after being stirred under a condition of gravity acceleration 400 G for 30 minutes using a rotation-revolution type stirrer.

Non-Aqueous Battery

Resumen de: US2025140927A1

A non-aqueous battery includes a case, an electrode assembly, and an electrolyte solution. The case has a width direction, a height direction, and a thickness direction. The case includes a first side wall and a second side wall. The second side wall faces the first side wall. Each of the first side wall and the second side wall is orthogonal to the width direction. A positive electrode terminal and a negative electrode terminal are provided at the first side wall. The electrode assembly is of a wound type. A winding axis of the electrode assembly is parallel to the width direction. The electrode assembly includes a first end portion and a second end portion. The first end portion faces the first side wall. A relationship of “R1/R2>1” is satisfied. R1 represents an electrode resistance at the first end portion. R2 represents an electrode resistance at the second end portion.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025140926A1

A battery cell includes an electrolyte, positive and negative electrode plates, and a separator between the positive and negative electrode plates. The electrolyte includes a lithium salt including lithium hexafluorophosphate, a mass percentage of which with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive/negative electrode plate includes a positive/negative electrode current collector and a positive/negative electrode film layer provided on at least one side of the positive/negative electrode current collector and containing a positive/negative electrode active material. The negative electrode active material includes a carbon-based material and a silicon-carbon composite. A mass percentage of silicon in the silicon-carbon composite with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 10.0%.

BATTERY, BATTERY MODULE AND METHOD OF PRODUCING BATTERY

Resumen de: US2025140892A1

A battery 10, including an electrode body 30 that includes an electrode and a separator, and an exterior body 20A, 20B that is disposed around the electrode body 30, the battery being restrained by a restraining member, the electrode body 30 having a bonded portion at which the electrode and the separator are bonded to each other, and a non-bonded portion at which the electrode and the separator are not bonded to each other, and at least a part of the non-bonded portion of the electrode body 30 matching a portion of the battery restrained by the restraining member 40.

RECHARGEABLE BATTERY

Resumen de: US2025140891A1

A rechargeable battery includes an electrode assembly including a first wound part and a second wound part connected by a connection part, the electrode assembly being formed by being wound at each of both ends of a stacked body of a first electrode plate, a first separator, a second electrode plate, and a second separator; and a case that accommodates the electrode assembly, wherein the case includes flat sides facing each other at both sides of the case in a width direction, and curved sides at both ends of the case in a length direction, and the flat sides and the first wound part and the second wound part surround an electrolyte solution accommodating space therebetween.

BATTERY PACK AND METHOD OF DISASSEMBLING THE SAME FROM ELECTRONIC DEVICE

Nº publicación: US2025141021A1 01/05/2025

Solicitante:

DURQ MACHINERY CORP [TW]
DURQ MACHINERY CORP

Resumen de: US2025141021A1

A battery pack includes a battery seat and a lock assembly. The lock assembly has a button disposed in the battery seat and has two opposite first inclined surfaces, and two lock members disposed in the battery seat and located at two opposite sides of the button. The lock members each have a second inclined surface abutted against the first inclined surface of the button, such that the lock members are pushed closer to each other by the button to move from a lock position to an unlock position, thus unlocking the battery pack from an electronic device. Thus, the present invention allows a user to hold the battery seat by one hand and operate the button by an index finger of the same hand for achieving an unlocking effect. Further, the present invention provides a method of disassembling the battery pack from the electronic device.