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BATTERY PACK

Resumen de: US2025210835A1

Aspects of the present disclosure relate to a battery pack for accommodating battery modules, including a pack case including a module area having a battery module seated therein. The pack case includes a base plate having a hollow structure with a hollow interior, and a side wall coupled along an edge of the base plate, wherein the base plate has a high-pressure liquefied gas filled inside the hollow structure.

Compact Multifunctional Battery Booster

Resumen de: US2025211016A1

A portable power pack having a housing, a rechargeable lithium battery positioned in the housing, a liquid crystal display (LCD), a wireless charging coil, a light emitting diode (LED) flash light, a universal serial bus (USB) port, a direct current (DC) port, and a power management circuit. The LCD can be positioned on the housing and configured to display a status of the portable power pack. The wireless charging coil can be positioned in or on the housing and configured to wirelessly couple with an external wireless charging coil of an external device through electromagnetic induction in accordance with, for example, the Qi wireless power transfer standard. The USB port supplies a charging current to charge a portable electronic device, while the DC port supplies a starting current to jump start an engine of a vehicle that is electrically coupled with an external battery. The power management circuit operatively coupled to the wireless charging coil and the rechargeable lithium battery and configured to output the charging current or the starting current.

ELECTROLYTE COMPOSITIONS, METHODS OF MAKING SAME, USES THEREOF

Resumen de: US2025210718A1

Electrolyte compositions comprising one or more ion conducting salt(s) and one or more ammonium salt(s), such as, for example, asymmetric ammonium salt(s) or the like, which may, independently, be a quaternary ammonium salt. In various examples, the ammonium salt(s) independently comprise cations(s) chosen from primary ammonium cations, secondary ammonium cations, tertiary ammonium cations, quaternary ammonium cations, and the like, and any combination thereof. In various examples, an electrolyte composition further comprises one or more additional salt(s), which may, independently, be an ion-conducting salt. In various examples, an anode comprising an SEI layer is formed by contacting an anode, such as, for example, a metal anode or the like, with one or more electrolyte composition(s). In various examples, an electrochemical device, such as, for example, a battery, a supercapacitor, a fuel cell, an electrolyzer, an electrolytic cell, or the like comprises one or more composition(s) and/or one or more anode(s).

POWER SUPPLY DEVICE

Resumen de: US2025210744A1

A power supply device that supplies power to an apparatus, includes: a battery pack including a battery and a cooler made of metal; an insulating oil circuit configured to cool the battery by causing an insulating oil to flow into the cooler; and a controller configured to turn on any one of a first relay and a second relay that supply a current from the battery to a power control device, and to turn off the other to discharge static electricity generated by the flow of the insulating oil to a housing of the apparatus.

Non-Aqueous Electrolyte and Lithium Secondary Battery Including the Same

Resumen de: US2025210715A1

A non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive. The additive includes a compound represented by a specific chemical formula. The non-aqueous electrolyte forms a stable film on a positive electrode and a negative electrode, thereby improving the long-term durability and life performance of a lithium secondary battery.

LITHIUM-BASED SOLID ELECTROLYTE MATERIAL

Resumen de: AU2023390652A1

The present invention provides a solid electrolyte material which may be used in solid-state batteries including semi-solid flow batteries. The resulting solid-state battery may have improved cyclability and increased cycle life. The lithium-based solid electrolyte material may comprise a lithium-based solid electrolyte material comprising Li

PASSIVE VENT SYSTEM

Resumen de: AU2023396152A1

A battery thermal event management system includes an enclosure to store a plurality of battery modules, one or more ventilation panels, at least one actuator to open the one or more ventilation panels, and at least one sensor to detect one or more parameters. Further, the battery thermal event management system includes a detection system with a processor memory, and programming in the memory, coupled to the enclosure. The programming causes the battery thermal event management system to detect, via the at least one sensor, the one or more parameters. Next, the battery thermal event management system determines whether the detected one or more parameters indicate a ventilating event. Further, based on the detected one or more parameters indicating the ventilating event, the battery thermal event management system opens, via the at least one actuator, the one or more ventilation panels.

BATTERY PACK AND ENERGY STORAGE SYSTEM COMPRISING SAME

Resumen de: CN119422277A

Provided are a battery pack having an improved battery pack case to ensure electrical insulation and light weight, and an energy storage system including the battery pack. The battery pack of the present invention comprises: at least one cell assembly including a bus bar frame assembly and a plurality of battery cells; a base plate configured such that the cell assembly can be mounted on the base plate; and a reinforcing member configured to fix the bus bar frame assembly and the bottom plate to each other.

HIGH-VOLTAGE CONTROL BOX

Resumen de: US2025210792A1

A high-voltage control box includes a control box body, a terminal resistor, and a wiring assembly. A CAN bus and a battery management unit are provided inside the control box body. The CAN bus includes a high wire and a low wire, which are connected to the battery management unit. The terminal resistor is provided inside the control box body. The wiring assembly is installed on a wall of the control box body, and is connected to the high wire, the low wire and the terminal resistor. The terminal resistor is disconnected from the high wire and/or the low wire, and the wiring assembly is configured to be connected with an external electrical connector to enable the terminal resistor to be electrically connected with the high wire and the low wire through the wiring assembly and the external electrical connector.

INTERCONNECTION OF SETS OF ENERGY STORAGE MODULES

Resumen de: US2025210787A1

An energy storage arrangement comprising a sleeve arranged in a first and a second through hole, the sleeve being arranged through a first end surface of a first set of energy storage modules and through a first end surface of a second set of energy storage modules and is connected to a first and a second rod.

SODIUM ION LAYERED METAL OXIDE MATERIAL AND PREPARATION METHOD THEREFOR, POSITIVE ELECTRODE MATERIAL, AND SODIUM ION BATTERY

Resumen de: WO2025130266A1

A sodium ion layered metal oxide material and a preparation method therefor, a positive electrode material, and a sodium ion battery, relating to the technical field of sodium ion batteries. The sodium ion layered metal oxide material has a chemical formula as shown in formula I: NaxNiaMnbTi(0.5-b)M(0.5-a)O(2-y)Fy, wherein 0.9≤x≤1.0, 0.3≤a<0.5, 0.3≤b≤0.4, 0.1≤1-a-b≤0.35, 0≤y<0.1, and M comprises at least one of Zn, Mg, Sn, Sb, Y and Cu. By doping the F element and the M element, the structural stability of the material is improved, the generation of an impurity phase can be reduced, and the M element in a finished product is more uniformly distributed, so that a positive electrode sheet and sodium ion battery containing the sodium ion layered metal oxide material have a high discharge specific capacity and good cycle performance.

IRON PHOSPHATE MATERIAL, PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2025129562A1

The present application relates to the field of positive electrode material preparation, and provides an iron phosphate material, a preparation method therefor and a use thereof. According to the preparation method, modified nanocellulose having double bonds and carboxyl groups is used to form an iron phosphate seed. On the one hand, the modified nanocellulose is interspersed in iron phosphate of the seed, so that dispersion occurs in the interior of the seed, thereby reducing the grinding difficulty and improving the grinding efficiency, and thus facilitating obtaining small-particle-size iron phosphate. On the other hand, the modified nanocellulose undergoes cross-linking and forms a three-dimensional mesh coating on the surface of the seed, so that the seed has a high specific surface area and a large number of active groups to attract iron ions. Therefore, by using the obtained seed to further grow the iron phosphate material, the reaction can be greatly accelerated, thereby increasing the yield of the iron phosphate material.

HALOGEN POSITIVE ELECTRODE, PREPARATION METHOD AND ZINC-HALOGEN BATTERY

Resumen de: WO2025129430A1

A halogen positive electrode, a preparation method and a zinc-halogen battery. The preparation method comprises: dispersing cationic cellulose nanofibers in an organic solvent to form a dispersion; mixing and stirring the dispersion, activated carbon, ketjen black and a binder to obtain a mixed coating liquid; coating the mixed coating liquid on a current collector and drying same to form a host material; and depositing a halogen active substance on the host material to obtain a halogen positive electrode. By introducing the cationic cellulose nanofibers, the loading capacity of the halogen active substance can be effectively improved, the halogen active substance can be stably fixed on the positive electrode side, and the shuttle of the positive electrode active substance can be inhibited, thereby improving the energy density of the zinc-based halogen battery in terms of the full battery and the cycle stability at high temperatures.

PREPARATION METHOD FOR NANO LITHIUM IRON PHOSPHATE AND APPLICATION THEREOF

Resumen de: WO2025129503A1

The present disclosure relates to the technical field of lithium-ion battery positive electrode materials. Disclosed are a preparation method for nano lithium iron phosphate and an application thereof. The method comprises: dispersing iron phosphate in an alcohol solvent, and performing ultrasonic treatment to obtain a suspension A; performing laser treatment on the suspension A, stirring the suspension A during the laser treatment, adding a lithium source and a carbon source into the suspension A having undergone laser treatment, and mixing same to obtain a suspension B; and performing spray drying on the suspension B to obtain dried powder, and sintering the dried powder in an inert atmosphere to obtain nano lithium iron phosphate.

ENERGY STORAGE WITH HEATER

Resumen de: WO2025129347A1

An energy storage system is disclosed that includes a battery pack; an energy input connected to the battery pack for receiving energy from an energy source unit; an energy output connected to the battery pack for powering an energy consumption unit; at least one heater in thermal communication with the battery and the energy source unit, the heater adapted to heat the battery by: obtaining heat, from the energy source unit; and upon failure to obtain energy from the energy source unit, from the battery back; a temperature sensor for reading the temperature of the battery; and a controller in communication with the heater and the temperature sensor. A thermally conductive and moisture resistant encapsulant, encapsulates the battery pack.

SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY

Resumen de: US2025206976A1

A slurry composition for a non-aqueous secondary battery functional layer contains a particulate polymer having a glass-transition temperature within a specific range and a water-soluble polymer including a sulfo group-containing monomer unit in a proportion of 3 mass % or more.

GRANULAR CARBON BLACK AND PREPARATION METHOD THEREFOR, ELECTRODE AND SECONDARY BATTERY

Resumen de: US2025206956A1

The present disclosure relates to the technical field of carbon black materials, and particularly to a granular carbon black and a preparation method therefor, an electrode and a secondary battery. For the granular carbon black, particle size distribution of the granular carbon black ranges as follows: a weight percent of granular carbon black with a particle diameter less than 0.125 mm is equal to or less than 2%, a weight percent of granular carbon black with a particle diameter ranging from 0.125 to 0.85 mm is from 18% to 60%, and a weight percent of granular carbon black with a particle diameter more than 0.85 mm is from 40% to 80%; and a secondary particle diameter D50 of the granular carbon black ranges from 2.0 μm to 3.51 μm.

BATTERY MANAGEMENT SYSTEM ARCHITECTURE

Resumen de: US2025210737A1

Various systems and methods are provided for a battery management system. In one example, the battery management system includes a battery data receiving unit communicatively coupled to sensors of a battery pack. Further the battery data receiving unit includes instructions stored on non-transitory memory that when executed cause the battery data receiving unit to collect raw data from the sensors of the battery pack in a first format and transmit the collected raw data to an electronic control unit for downstream processing into a second format.

MATERIALS AND METHODS FOR IMPROVING AVERSIVE-AGENT COATING CONDUCTIVITY

Resumen de: US2025206961A1

Provided are electrochemical cells with at least a portion of the exterior surface coated in a conductive aversive coating to deter children from eating the electrochemical cell. Described are compositions and methods for preparing electrochemical cells with aversive coatings capable of conducting electricity through the coating.

Lithium Secondary Battery

Resumen de: US2025210714A1

A lithium secondary battery includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode includes a positive electrode active material. The positive electrode active material includes lithium iron phosphate particles. A loading amount of the positive electrode is about 450 mg/25 cm2 to 740 mg/25 cm2. The non-aqueous electrolyte includes a lithium salt, an organic solvent, and an additive. The additive includes at least one selected from the group consisting of compounds represented by Formulas 1 to 3 below. The additive is included in the non-aqueous electrolyte in an amount of about 0.1 wt % to 3 wt %.wherein R1, R2, R3, R4, n, and m are as defined above.

BATTERY SYSTEM, CONTROL METHOD, CONTROL UNIT, AND STORAGE MEDIUM

Resumen de: US2025210726A1

A battery system comprises: a control unit and at least one battery, wherein the battery comprises: an electrical box and a plurality of battery cells, a detection unit and a first switching unit that are provided in the electrical box, the plurality of battery cells being connected to form a battery cell assembly; and the control unit is separately connected to the detection unit and the first switching unit for controlling, according to a detection signal collected by the detection unit, the first switching unit to cut off or connect an internal power transmission line and/or an external power transmission line of the battery cell assembly.

LITHIUM-ION BATTERY POSITIVE ELECTRODE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: WO2025130468A1

A lithium-ion battery positive electrode material, and a preparation method therefor and a use thereof, relating to the technical field of new energy. The lithium-ion battery positive electrode material comprises a lithium layered metal oxide, a perovskite layer and a fast ionic conductor layer from the center to the surface, and the chemical formula of the perovskite layer comprises M'(Nix'Coy'Mnz')O3. The designed structure can effectively improve the ionic conductivity and the electronic conductivity of the lithium-ion battery positive electrode material, further reduces the impedance of the lithium-ion battery positive electrode material, provides a wrapping protection effect, and improves the overall cycle performance and rate capability of the lithium-ion battery positive electrode material. Also provided are a preparation method for the lithium-ion battery positive electrode material and a use of the lithium-ion battery positive electrode material.

POSITIVE ELECTRODE SHEET AND BATTERY

Resumen de: WO2025130503A1

The present disclosure relates to the field of batteries, and in particular to a positive electrode sheet. The positive electrode sheet of the present disclosure comprises a positive current collector and a positive active material layer on at least one side surface of the positive current collector, wherein the positive active material layer comprises a first groove, the positive current collector comprises a tab connecting area located in the first groove, and a positive tab is located in the first groove and connected to the tab connecting area; the positive active material layer comprises a second groove, and the second groove is located in an edge area on one side or two sides of the positive current collector in the width direction; and the tab connecting area comprises a third groove. The positive electrode sheet provided in the present disclosure can effectively relieve edge lithium precipitation under a high-rate charging system, and improve the cycle performance and the capacity retention rate of batteries.

ELECTRODE SHEET AND BATTERY

Resumen de: WO2025130472A1

The present disclosure relates to the field of batteries, and in particular to an electrode sheet and a battery. The electrode sheet comprises a current collector, an adhesive layer arranged on at least one side surface of the current collector, and an active material layer arranged on the outer surface of the adhesive layer; the active material layer comprises an active material and fiber particles; and the glass transition temperature of the adhesive layer is 70°C-190°C. The electrode sheet of the present disclosure comprises the adhesive layer arranged between the current collector and the active material layer, and the adhesive layer has a specific glass transition temperature, so that the adhesive layer has excellent bonding strength, sealing performance and thermal stability, and can improve the bonding strength between the active material layer and the current collector, preventing the active material layer from cracking or falling off. In addition, the electronic conductivity, flexibility and mechanical strength of the electrode sheet are further improved, facilitating the improvement of the cycle stability of batteries.

SECONDARY BATTERY AND BATTERY PACK

Nº publicación: WO2025130206A1 26/06/2025

Solicitante:

SUNWODA MOBILITY ENERGY TECH CO LTD [CN]
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Resumen de: WO2025130206A1

A secondary battery and a battery pack. The secondary battery comprises a case (10), a battery cell (20), and a top cover assembly (30). The top cover assembly (30) comprises a cover plate (31), a pole structure (32), and a connecting sheet (33). The pole structure (32) is provided with a positioning hole (321). The connecting sheet (33) comprises a first connecting portion (331), a positioning portion (332), and a second connecting portion (333); the positioning portion (332) protrudes out of the first connecting portion (331) and is embedded in the positioning hole (321); and the size of the positioning portion (332) in a first direction is A mm, the maximum size of the positioning portion (332) in a second direction is Φ mm, and the inequation of 0.1≤A/Φ≤2 is satisfied.