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LITHIUM FERRO-PHOSPHATE (LFP) ELECTRODES WITH IMPROVED PROCESSIBILITY

Resumen de: US2025286060A1

An electrode for a lithium-ion battery includes an electrochemically active material comprising lithium, an electrically conductive material comprising carbon; and a binder material comprising a polymer of molecular weight greater than 800 kilo-Dalton or polyvinylidene fluoride modified by an acid.

ELECTROLYTE SOLVENT FOR BATTERIES

Resumen de: US2025286143A1

The disclosure is directed to a battery cell including halo-substituted alkyl electrolyte solvent compounds for use in battery cells such as lithium-ion (Li-ion) battery cells.

SECONDARY BATTERY AND SECONDARY BATTERY MODULE INCLUDING THE SAME

Resumen de: US2025286208A1

A secondary battery configured to prevent damage around a cell vent and prevent heat propagation and thermal runaway and a secondary battery module including the same. The secondary battery includes a case having a space, an electrode assembly accommodated in the space of the case, a cap assembly including a cap plate configured to seal the space of the case, the cap plate including a vent unit in one surface of the cap plate, and a terminal coupled to one side of the cap plate, the terminal being electrically connected to the electrode assembly, and an insulating member coupled to the surface of the cap plate, the insulating member being configured to cover at least a part of the vent unit.

RECHARGEABLE LITHIUM BATTERIES

Resumen de: US2025286135A1

Provided are a rechargeable lithium battery including a positive electrode, a negative electrode, a separator, and an electrolyte solution, wherein the positive electrode includes a positive electrode active material including a layered lithium nickel-manganese-based composite oxide, the electrolyte solution includes a non-aqueous organic solvent, a lithium salt, and an additive. The rechargeable lithium battery has improved rapid charging characteristics and reduced or suppressed increase in resistance within the battery, ensuring battery safety and high temperature reliability under high-voltage operating conditions, and improving capacity characteristics and lifecycle characteristics.

SECONDARY BATTERY

Resumen de: US2025286150A1

A secondary battery is provided in which a front end area of a base material and a rear end area of the base material of an electrode assembly have different heights from each other to prevent a base material area from drooping when it is compacted or bent. A secondary battery includes a case and an electrode assembly including a first electrode plate and a second electrode plate accommodated in the case. The first electrode plate includes a base material, an active material coating area coated with an active material on the base material, a base material exposed area that is not coated with the active material, a winding front end at which winding of the first electrode plate starts, and a winding rear end at which the winding of the first electrode plate ends. A height of a base material front end area at which the winding of the base material exposed area starts is different from a height of a base material rear end area at which the winding ends.

ELECTRODE POSITION TRACKING SYSTEM

Resumen de: US2025286151A1

A systems and methods for tracking a position of an electrode. The system may include: a notching controller configured to store pitch information of a unit electrode and to acquire electrode coordinate information of the electrode in a roll-to-roll state during a notching process and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID from the pitch information and the cell ID; a roll map generator configured to generate a roll map based on the electrode coordinate information transmitted from the notching controller; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive an electrode position of the electrode during the electrode manufacturing process from which the unit electrode originates.

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Resumen de: US2025286057A1

The present exemplary embodiments relate to a positive electrode active material for a lithium secondary battery, and a lithium secondary battery including the same. The positive electrode active material for a lithium secondary battery according to an exemplary embodiment includes: a metal oxide in the form of a single particle; and a coating layer positioned on the surface of the metal oxide, wherein the coating layer includes a plurality of stripe shapes including a protruding portion based on a cross section in a length direction.

EARPHONES

Resumen de: US2025287134A1

The present disclosure relates to an earphone (100), including: a shell assembly (10), configured to form an accommodation space (101) and extending along a first direction (X) and a second direction (Y), the second direction (Y) is orthogonal to the first direction (X); an ear hook (2) connected to the shell assembly (10), wherein when the earphone (100) is in a wearing state, at least a portion of the ear hook (2) is located at a rear side of an ear of a user, and the shell assembly (10) is stacked on a front side of the ear of the user along the second direction (Y); and a loudspeaker (13) and a battery (14) spaced apart from each other along the first direction (X) and accommodated in the accommodation space (101).

EARPHONES

Resumen de: US2025287131A1

The present disclosure relates to an earphone, including: an ear hook and a core module connected to the ear hook, the core module including an outer shell, a decorative cover, and a touch module, the outer shell including an outer surface away from an ear of a user when the earphone is in a wearing state, the decorative cover being disposed on the outer surface of the outer shell and configured to form a touch positioning region for the user to perform touch positioning; a positioning protrusion being disposed on the outer shell and/or the decorative cover, the positioning protrusion being located in the touch positioning region and protruding from an outer surface of the decorative cover away from the outer shell; the touch module being disposed on the outer shell and including a touch detection region that at least partially overlaps with the touch positioning region.

EARPHONES

Resumen de: US2025287133A1

The present disclosure discloses an earphone comprising a core module and an ear hook. The ear hook is provided in a curved shape and includes a first end and a second end away from the first end, the first end being connected to the core module. The ear hook is configured to hang on an ear of a user, and the ear hook includes an elastic frame and a covering member, the elastic frame extending along an extension direction of the ear hook, the covering member covering around the elastic frame, and the covering member being provided with a buffer cavity.

BATTERY WITH NANOCOMPOSITE ELECTRODE AND AQUEOUS ELECTROLYTE

Resumen de: US2025286051A1

A nanocomposite electrode including a substrate, a binding compound, a conductive additive, and zinc doped molybdenum vanadium oxide (ZMV) nanorods. The substrate is at least partially coated on a first side with a mixture including the ZMV nanorods, the binding compound, and the conductive additive. A battery including the nanocomposite electrode.

ELECTROLYTE SYSTEMS INCLUDING PERFORMANCE-ENHANCING ADDITIVES, AND ELECTROCHEMICAL CELLS INCLUDING THE SAME

Resumen de: US2025286141A1

Myriad problems with state of the art lithium based batteries, particularly electrolyte systems thereof, including but not limited to polysulfide shuttling, formation of lithium dendrites and dead lithium during stripping and plating, thermal runaway, volumetric expansion, and strict requirements for electrolyte composition, are well documented in the art and remain major obstacles to realizing the unsurpassed potential for lithium-based batteries as ideal energy storage solutions. The inventive concepts presented herein address said challenges from a multi-pronged approach, revolutionizing the electrolyte system from different approaches to produce synergistic benefits, both within the individual approaches and particularly in combination. The inventive concepts improve electrolyte systems with respect to solvents, electron withdrawing compounds, lithium ion-transporting compounds, performance enhancing additives and chalcogenides. These developments provide benefits including: improved charge/discharge capacity, Coulombic efficiency, cycle life, sulfur optimization, oxidative stability, etc. while reducing polysulfide shuttling and lithium dendrite formation, among other benefits.

BATTERY MODULE, AN ELECTRIC VEHICLE AND A METHOD FOR ASSEMBLING THE BATTERY MODULE

Resumen de: US2025286186A1

A battery module includes: a first end plate and a second end plate; a plurality of cells arranged between the first and the second end plates in a stacking direction; a plurality of side plates, a first end of each of the side plates being connected to the first end plate, and a second end of each of the side plates being connected to the second end plate; and a connecting system including a first joining element in the first end plate, a second joining element in one of the side plates, and a clamping element. The connecting system connects the first end of the one of the side plates and the first end plate by the first joining element, the second joining element, and the clamping element, and the connecting system is configured to vary a distance of the first end plate with respect to the second end plate by varying a relative position of the clamping element, the first joining element, and the second joining element with respect to each other.

BATTERY PACK AND DEVICE INCLUDING THE SAME

Resumen de: US2025286213A1

The present disclosure relates a battery pack and a device including the same. The battery pack may include: a plurality of battery modules; a passage frame disposed along an edge of at least a portion of the plurality of battery modules to define an inner passage; and a blowing member communicating with one end of the inner passage of the passage frame to control a gas discharge rate within the inner passage.

SECONDARY BATTERY AND ELECTRIC DEVICE

Resumen de: US2025286146A1

A secondary battery. The secondary battery includes a negative electrode plate and an electrolyte solution. The negative electrode plate of the secondary battery includes a silicon-carbon composite material having a three-dimensional network cross-linked pore structure; and the electrolyte solution of the secondary battery includes a cyclic carbonate compound shown in formula I.

BATTERY SYSTEM AND METHOD OF ASSEMBLY AND METHOD OF DISASSEMBLY THE BATTERY SYSTEM

Resumen de: US2025286185A1

A battery system may include a first battery module and a second battery module in a housing. The first and second battery modules may each include a plurality of battery cells, the first battery module including a first spanner plate the second battery module includes a second spanner plate on at least one of side portions of the battery modules. The first spanner plate and the second spanner plate define an interface therebetween and each may include at least one depression facing each other to form at least one common accommodation space, which may includes a rotation spanner member extending vertically in the respective common accommodation space.

METHOD FOR DETERMINING INSTALLATION DEVIATION OF CAMERA AND VISUAL DETECTION COMPENSATION METHOD

Resumen de: US2025285317A1

A method for determining an installation deviation of a camera and a visual detection compensation method. A camera is used to capture an image of an object to be detected. To assess the camera's installation deviation, a calibration part is fixed to the object. The calibration part includes a base portion and a protruding portion extending from the base portion. The base portion includes a calibration plane adjacent to the root of the protruding portion, with the calibration plane having a first width. An image of the calibration part is captured by the camera. A second width of the unblocked area of the calibration plane in the image is determined. The installation deviation of the camera relative to the object is calculated based on the first width, second width, and the height of the protruding portion. This method enables assessment and compensation for camera installation deviations during visual inspection.

SPRING ELASTIC-PIECE ELECTRICALLY-CONDUCTIVE STRUCTURE AND ELECTRICAL DEVICE

Resumen de: US2025286299A1

A spring elastic-piece electrically-conductive structure and an electrical device. The structure includes a metal elastic piece and a spring. One end of the metal elastic piece is bent relative to another end to form an accommodation space having an opening; the spring is arranged inside the accommodation space; two ends of the spring are connected to the metal elastic piece to support the opening. Besides the spring structure, the metal elastic piece is further included. The metal elastic piece is bent to accommodate the spring. Due to the longer metal wire and higher internal resistance of the spring and the resistance of the metal elastic piece is smaller than that of the spring, most of the current flows through the metal elastic piece with lower internal resistance during operating the electrical device, thereby reducing internal resistance and achieving the goal of reducing heating and power loss.

BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS

Resumen de: US2025286258A1

A battery cell includes a housing, an electrode terminal, a first sealing member, and a second sealing member. The housing includes a wall portion, the wall portion having an outlet hole. The electrode terminal is inserted into the outlet hole along the axial direction of the electrode terminal, the electrode terminal having a first recessed portion and a liquid injection hole connected along the axial direction, and the liquid injection hole being located at the bottom of the first recessed portion. In the radial direction of the electrode terminal, the radial dimension of the liquid injection hole is smaller than the radial dimension of the first recessed portion. The first recessed portion communicates with the interior of the housing via the liquid injection hole. The first sealing member is at least partially disposed within the first recessed portion and is configured to seal the liquid injection hole.

BATTERY

Resumen de: US2025286256A1

A battery includes first and second battery cells, a packaging film and a separator. A first sealing edge where tabs of the first and second battery cells are located is formed by the first and second film housings and the separator. A thickness of a hot melt adhesive on the first sealing edge at a side, close to the separator, of a tab of each battery cell of at least one of the first and second battery cells is greater than a thickness of a hot melt adhesive on the first sealing edge at a side, away from the separator, of the tab of the battery cell, which ensures that a certain distance is maintained between a packaging film and a non-separator side of a tab after sealing, so as to reduce a risk of contact short circuits at the tab, thereby improving a safety of a battery.

BATTERY PACK INCLUDING BMS COMMUNICATING WIRELESSLY

Resumen de: US2025286156A1

A battery pack includes a battery module, a module battery management system (BMS) configured to monitor the battery module, a main BMS configured to exchange radio signals with the module BMS through wireless communication, and a signal reflection unit configured to reflect the radio signals exchanged between the module BMS and the main BMS toward the module BMS or the main BMS.

METHOD AND DEVICE FOR THE ADHESIVE BONDING OF LAYERS OF AN ENERGY CELL

Resumen de: US2025286222A1

A method for producing energy cells in stack form having a plurality of separator sheets and a plurality of electrodes arranged between the separator sheets, wherein the plurality of electrodes are alternately arranged anodes and cathodes. At least one electrode is fixed to at least one of the separator sheets by an adhesive bond. The adhesive composition for the at least one adhesive bond is applied by gravure printing, to provide particularly exact adhesive bonding.

BATTERY PACK FIRE EXTINGUISHER

Resumen de: US2025286212A1

A battery pack fire extinguisher includes: a plurality of battery cells; a bottom case accommodating the battery cells; a top case coupled to the bottom case; and a fire extinguishing capsule attached to the top case and comprising a fire extinguishing agent sheet embedded therein. The fire extinguishing capsule includes: an injection portion having injection holes for spraying a fire extinguishing agent toward the battery cells from the fire extinguishing agent sheet; and a guide portion protruding beyond the injection portion toward the battery cells around the injection portion.

ELECTROLYTE, BATTERY, AND POWER-CONSUMING DEVICE

Resumen de: US2025286145A1

Provided are an electrolyte, a battery, and a power-consuming device. The electrolyte is applicable to a lithium metal secondary battery. The electrolyte includes a lithium salt and a solvent. The solvent includes an epoxy compound substituted with a fluoroalkyl chain. Therefore, the use of the electrolyte including the epoxy compound substituted with the fluoroalkyl chain can improve cycle stability on both a positive electrode side and a negative electrode side of the battery, prolonging a cycle life of the battery.

SYSTEM AND METHOD FOR MONITORING BATTERY SWELLING

Nº publicación: US2025286187A1 11/09/2025

Solicitante:

PIPISTREL D O O [SI]
Pipistrel d.o.o

Resumen de: US2025286187A1

In an embodiment a battery pack includes a plurality of battery cells stacked in a stacking direction and forming a battery cell stack, a first end plate arranged at a first end of the battery cell stack, a second end plate arranged at a second end of the battery cell stack, connection elements connecting the first and second end plates, and a sensor arranged at the battery pack, the sensor configured to measure an extension or a shortening of a distance between the first and second end plates.