Resumen de: US20260021744A1
Systems, devices, and methods for a cooling plate connector for a vehicle. The cooling plate connector may include a body configured to carry coolant therethrough. The body may have a first end and a second end opposite the first end, the second end being configured to fluidly couple to a cooling plate of the vehicle. The cooling plate connector may further have a spout in fluid communication with the body and positioned at the first end of the body. The cooling plate connector may further have a sealant manifold positioned at the second end of the body. The sealant manifold may be configured to receive sealant and guide the sealant to seal the second end of the body to the cooling plate.
Resumen de: US20260021742A1
A battery monitoring method for controlling a sorting line of second-hand batteries based on evaluated battery values. The method may include classifying, by a battery monitoring apparatus for monitoring a battery, first battery valuation data according to a format. The method can also include performing, by the battery monitoring apparatus, data processing on the classified first battery valuation data; performing, by the battery monitoring apparatus, battery valuation based on final first battery valuation data determined through the data processing on the first battery valuation data; and automatically operating a sorting line of second-hand batteries, by sending a control signal to the sorting line to route the second-hand batteries into predetermined lines based on the result of the battery valuation.
Resumen de: US20260024896A1
A secondary battery includes an electrode assembly including a wound structure of first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, the electrode assembly including a through-hole at a winding core of the wound structure, a case having an opening at one side thereof, the case accommodating the electrode assembly, a cap assembly that seals the opening of the case, and an insulating sheet between the cap assembly and the electrode assembly, the insulating sheet including a main sheet and a protrusion on the main sheet, and the protrusion being inserted into the through-hole of the electrode assembly.
Resumen de: US20260024833A1
A method of producing a recycled material includes the following (a) to (d). (a) Preparing a bipolar battery that includes an electrolytic solution and that is sealed. (b) Forming a gas outlet hole on the bipolar battery. (c) Vaporizing at least some of the electrolytic solution by heating the bipolar battery by induction heating. (d) Retrieving the vaporized electrolytic solution from the gas outlet hole.
Resumen de: US20260024884A1
A secondary battery and a battery pack including the same are disclosed. A secondary battery includes a case, an electrode assembly in the case and including a first electrode and a second electrode, a first tab member connected to the first electrode and extending from the electrode assembly in a first direction, a cap assembly facing the electrode assembly and including a first terminal and a second terminal, and a first connection member between the electrode assembly and the cap assembly and including a first current collector plate connected to the first tab member and a first current collector connected to the first terminal and passing through the first current collector plate.
Resumen de: US20260024837A1
An electricity storage apparatus includes a plurality of electricity storage modules, a joining bracket configured to join adjacent electricity storage modules out of the electricity storage modules to each other, and a cooling pipe through which a refrigerant flows. The joining bracket and the cooling pipe are in thermal contact with each other.
Resumen de: US20260024838A1
A main line for distributing or collecting a medium, in particular a temperature control medium, has a main tube and at least three outlets. The outlets are connected to the main tube, wherein the outlets are each assigned to an opening of the main tube and are connected to the respectively assigned opening. The main tube comprises an axis A and defines an axial direction. The main tube and/or at least one of the outlets comprises an elastomer.
Resumen de: US20260024881A1
Disclosed herein is a battery pack with a busbar assembly. The busbar assembly is simplified in shape and reduced in volume to improve space utilization and manufacturing efficiency of the battery pack.The battery pack can include a plurality of cell groups with one or more cells and a terminal, and a busbar assembly disposed on one end of a top surface of each of the cell groups. The busbar assembly can include a busbar disposed adjacent the terminal to electrically connect the cell groups to each other, a circuit board electrically connected to the busbar to sense the cell groups, and a film laminated on the busbar and the circuit board to prevent the busbar and the circuit board from moving.
Resumen de: US20260024834A1
An accessory attachable to an image capturing apparatus includes a cooling fan, an intake port that draws air into the cooling fan, a blow port that blows out air discharged from the cooling fan, a first battery chamber, a second battery chamber, where the cooling fan is located between a first battery chamber and a second battery chamber, and where the blow port is on a surface that connects the accessory to the lower surface of the image capturing apparatus.
Resumen de: US20260024778A1
A sodium metal battery and an electrochemical apparatus, the battery has a positive electrode sheet and a negative electrode sheet, the negative electrode sheet being a negative electrode current collector, and a sodium layer deposited in situ on the negative electrode current collector having a thickness of ≥30 nm after the battery is charged and discharged for the first time. After the battery cell is charged and discharged for the first time, the amount of residual sodium metal is sufficient to uniformly form a sodium deposition layer with a certain thickness on the surface of the negative electrode current collector. The higher nucleation energy required for the deposition of sodium onto the surface of the current collector during subsequent charge-discharge cycles is avoided, the overall deposition overpotential is reduced, and the deposition uniformity of sodium metal and the reversibility of the charge-discharge process are ensured.
Resumen de: WO2026016401A1
The present invention relates to the technical field of state estimation of lithium batteries, and in particular to a state estimation and self-correction method and device for a lithium iron phosphate battery pack. The method comprises: performing real-time SOC estimation on a lithium iron phosphate battery pack; determining whether the average temperature T of the battery pack is abnormal; during charging, measuring in real time dU/dt of a battery cell having the highest cell voltage, if dU/dt is greater than or equal to i/10, correcting an SOCR to 98%, and calculating a correction value e; during discharging, measuring in real time dU/dt of a battery cell having the lowest cell voltage; if dU/dt is less than or equal to i/10, correcting an SOCR to 5%, and calculating the correction value e; correcting an SOH on the basis of the correction value e; and calculating an SOE of the battery pack on the basis of the SOCR. In the method, a correction point is added on the basis of the characteristic that a voltage suddenly changes in the first and final stages of charging and discharging, the cumulative error in an ampere-hour integral method is reduced, and an SOC, an SOH, and an SOE are corrected.
Resumen de: WO2026016391A1
Provided in the present application are a phosphorus adsorption material, and a preparation method therefor and the use thereof. The phosphorus adsorption material comprises a porous composite material, wherein the porous composite material comprises porous biomass carbon and polymer fibers at least partially wound around the porous biomass carbon; and the porous composite material contains several amino groups, at least some of which bind to iron ions. Moreover, the phosphorus adsorption material satisfies the following conditions: 0.36 nm≤d002≤0.43 nm, 0.85≤ID/IG≤1.38, B≥240 m2/g, and 0.20 cm3/g≤V≤0.56 cm3/g, wherein d002 represents the interlayer spacing of graphite-like microcrystallites in the phosphorus adsorption material; B represents the specific surface area of the phosphorus adsorption material; and V represents the total pore volume of the phosphorus adsorption material. The phosphorus adsorption material provided in the present application has a high theoretical adsorption capacity for a phosphorus-containing water body having a high or low phosphorus concentration, and can be regenerated and reused.
Resumen de: WO2026016620A1
The present invention belongs to the technical field of new energy power battery packs and energy storage. Disclosed are a battery module acquisition and integration assembly having flame-retardant characteristics, and a preparation method therefor. The acquisition and integration assembly comprises a PET base film coated with a flame-retardant adhesive layer, and an acquisition circuit component hot-press encapsulated on a side of the PET base film flame-retardant adhesive layer. The flame-retardant adhesive layer is composed of the following constituents in parts by weight: 20-80 parts of a thermosetting resin, 5-20 parts of a curing agent, and 20-80 parts of a flame retardant. The acquisition circuit component is connected to each conductive busbar by means of a FPC, FFC, FDC or FCC, and can be affixed to the PET base film coated with a flame-retardant adhesive layer, and then integrally cured and formed by means of hot-press encapsulation. In the present invention, the addition of a high-grade temperature resistance flame-retardant layer to the acquisition and integration assembly avoids the risk of spontaneous combustion of a battery cell caused by overlapping and sparking of a circuit after a protective adhesive film on the surface of a circuit board is melted through due to the ejection of high-temperature gas during thermal runaway of the battery cell.
Resumen de: US20260021740A1
A golf cart includes a chassis, a seating area supported by the chassis, a plurality of electric components including an electric motor, an occupancy sensor configured to facilitate detecting when an occupant enters the seating area, a battery configured to provide electrical power to the electric motor and the occupancy sensor, and a control system. The control system is configured to operate the golf cart in a low power state where the occupancy sensor is powered by the battery but the plurality of electric components are not powered by the battery, receive a signal from the occupancy sensor indicating that an operator has entered the seating area, and responsive to receiving the signal, initiate a wakeup procedure to power up the plurality of electric components with the battery without requiring the operator to provide an input to start the wakeup procedure.
Resumen de: US20260021741A1
A battery system includes a battery subpack having first and second battery cells, a cell monitoring circuit, a RF transmitter, an RF receiver, a subpack microprocessor, and a first transceiver. The circuit measures a voltage of a first battery cell. The system includes a master controller having a second transceiver. The RF transmitter sends a voltage value corresponding to the voltage of the first battery cell to the RF receiver. The subpack microprocessor determines the first battery cell has an overvoltage condition based on the voltage value and sends an overvoltage message to the master controller via the first and second transceivers. The subpack microprocessor induces first and second subpack contactors to each have an open operational state when the master controller sends an open command to the subpack microprocessor.
Resumen de: US20260021723A1
A battery pack includes a battery housing defining an internal cavity, a first positive terminal extending through the housing, a first negative terminal extending through the housing, a plurality of battery cells within the internal cavity, and a battery charger within the internal cavity. The plurality of battery cells are electrically coupled to the first positive terminal and the first negative terminal. The battery charger is configured to charge the plurality of battery cells and includes a second positive terminal electrically coupled to the first positive terminal within the housing, and a second negative terminal electrically coupled to the first negative terminal within the housing.
Resumen de: US20260021427A1
The present disclosure relates to an apparatus for preventing the inflow of foreign substances such as air bubbles, fine particles, and air pockets, of various sizes, when coating a secondary battery coating slurry, and more particularly, to an apparatus for removing foreign substances, such as air bubbles in a supplied slurry, by discharging the foreign substances including progressive air bubbles in various forms and with various apparatuses from a location where the air bubbles are collected when supplying a secondary battery coating slurry.
Resumen de: US20260021332A1
Disclosed is a composition which is applied to products or elements generating heat or having possibility of ignition or explosion during driving, storage and/or maintenance processes. The composition is capable of effectively responding to the heat, ignition, and explosion. For example, the composition is applied to an article comprising a plurality of the products or elements. The composition is capable of responding to abnormal heat generation, explosion, and ignition occurring in any one element or product, and is capable of preventing or minimizing propagation of such heat generation, explosion, and ignition to other adjacent elements or products. The composition also exhibits excellent handleability and storage stability. The present specification may also provide a use of the composition.
Resumen de: US20260024755A1
A solid-state battery includes a positive electrode current collector layer, a positive electrode active material layer, a solid electrolyte layer, a negative electrode active material layer, and a negative electrode current collector layer. Each of the positive electrode active material layer and the solid electrolyte layer contains a sulfide solid electrolyte particle. M expressed by Expression 1 is 1.15 to 3.00,M=M1/M2Expression1M1: the ratio of the number of oxygen atoms to the number of atoms of a first specific element composing the sulfide solid electrolyte particle at the vicinity of the positive electrode current collector layer in the positive electrode active material layer,M2: the ratio of the number of oxygen atoms to the number of atoms of a second specific element composing the sulfide solid electrolyte particle at a central portion in the solid electrolyte layer.
Resumen de: US20260024899A1
A power storage device includes a power storage unit and an accommodation case that accommodates the power storage unit. The accommodation case includes an upper case and a lower case disposed below the upper case. The lower case includes a bottom wall and a peripheral wall standing elect from a peripheral portion of the bottom wall. The bottom wall has a recess recessed downward. The power storage unit includes at least one terminal unit disposed below a center of the power storage unit in an upward/downward direction. The recess is located below the at least one terminal unit.
Resumen de: US20260024885A1
The present disclosure relates to a secondary battery and a battery pack to prevent a local degradation phenomenon. To this end, a secondary battery may include a case, an electrode assembly disposed inside the case and having a first electrode and a second electrode, a first tab member connected to the first electrode and extending from the electrode assembly in a first direction, a cap assembly disposed to face the electrode assembly and having a first terminal and a second terminal, and a first connection member disposed between the electrode assembly and the cap assembly and connected to the first terminal and the first tab member, wherein the first connection member is formed asymmetrically with a first terminal axis passing through the first terminal in the first direction.
Resumen de: US20260024760A1
The present application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric device. The positive electrode active material includes:where M1 includes a rare earth element; M2 includes at least one of a group IA element, a group IIA element, a group IIIA element, a group IVA element, a group VA element, a group VIA element, and a transition element; and 0.6≤x≤1.2, 0
Resumen de: WO2026016632A1
A battery pack and a vehicle. The battery pack comprises a case (10), a battery cell module (20), and air volume adjustment structures. The battery cell module (20) is arranged in the case (10), and air inlet channels (30) are formed between the battery cell module (20) and the bottom of the case (10). The air volume adjustment structures are arranged in the air inlet channels (30), and are used for adjusting the air volume transferred from the air inlet channels (30) to the battery cell module (20). Each air volume adjustment structure comprises an air pressure adjustment block (41) and an air channel adjustment plate (42). The air pressure adjustment block (41) is connected to the bottom of the case (10); the air channel adjustment plate (42) is arranged close to the battery cell module (20); a gap (15) is provided between the air channel adjustment plate (42) and the air pressure adjustment block (41); and the gap (15) is used for introducing air to the battery cell module (20). The case (10) comprises a first side (11) and a second side (12) arranged away from each other in a first direction; the first side (11) is used for introducing air to the gap (15); and in a direction from the first side (11) to the second side (12), the cross-sectional area of the gap (15) gradually decreases, so as to adjust the air volume of the air inlet channel (30). The air inlet channels (30) in which the air volume can be adjusted can improve the air cooling effect on battery cells, thereby
Resumen de: WO2026016605A1
A high-temperature sodium ion electrolyte and a high-safety sodium ion battery. The electrolyte comprises a sodium salt, a non-aqueous organic solvent, and an additive a; the non-aqueous organic solvent is only propylene carbonate. The electrolyte only uses propylene carbonate as the non-aqueous organic solvent, and the propylene carbonate can form a stable primary solvation structure for Na+-PC-DTD-FEC-HMDI-FSI - anions together with sodium ions and three additives, i.e., FEC, HMDI and DTD, such that the sodium ion battery has high thermal stability, and a robust and stable cathode electrolyte interphase and solid electrolyte interphase can be formed on the surface of an electrode. Thus, the problems of short high-temperature cycle life, poor high-temperature storage stability, and gas evolution of existing sodium ion batteries are solved, and a high-safety sodium ion battery is provided.
Nº publicación: WO2026016593A1 22/01/2026
Solicitante:
JIANGSU KAIFENG NEW ENERGY TECH CO LTD [CN]
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Resumen de: WO2026016593A1
A process for continuous graphitization production of a negative electrode material. The process comprises: pre-treating a carbon source to obtain a carbon micropowder; mixing the carbon micropowder with an additive and then pressing the mixture to obtain carbon spheres having a free fall crushing strength value of 300 mm to 800 mm; and performing continuous gradient drying and baking on the carbon spheres, then performing vertical continuous carbonization and graphitization to obtain graphitized particles having a free fall crushing strength value of 150 mm to 450 mm, and then performing post-treatment. The present application can achieve effective conversion of high-melting-point and high-boiling-point elemental metal and compound impurities in the obtained graphitized particles into low-boiling-point compounds, and achieve reduction in the eutectic point by blending, thereby avoiding enrichment, coking, and caking of high-melting-point impurities in a graphitization furnace. In addition, the process used in the present application ensures stable graphitization, low powder loss rate, high tap density of the obtained negative electrode material, and minimal low-value by-products.