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LITHIUM NICKEL MANGANESE PHOSPHATE CATHODE MATERIAL AND PREPARATION METHOD THEREOF

Resumen de: US20260109622A1

An olivine-structured nickel manganese phosphate active material includes a general structural formula of NibMndMePO4. b is greater than or equal to 0.1 and greater than or equal to 0.95. d is greater than or equal to 0.05 and greater than or equal to 0.90. e is greater than or equal to 0 and greater than or equal to 0.5. A doping element M includes one or a combination of Fe, Al, Co, Ca, Pb, Na, Ti, Zr, Mo, V, Nb, Sc, Cr, Cu, Zn, Be, La, Mg, N, or S.

METAL-BASED BATTERIES WITH ENHANCED CYCLABILITY

Resumen de: US20260112708A1

0000 Metal-based batteries incorporating magnets to apply Lorentz force are disclosed herein. In one example, a zinc-bromine battery includes an aqueous electrolyte containing bromine (Br<2>), bromine ion complexes, or bromine precursors, a plurality of zinc cations (Zn<2>+), and a plurality of anions of bromine; a first electrode containing zinc (Zn); a second electrode in fluid communication with the first electrode via the aqueous electrolyte; and a magnet proximate to the first electrode and/or the second electrode. The magnet has a field strength to exert sufficient Lorentz force on the plurality of zinc cations (Zn<2>+) such that the zinc cations (Zn<2>+) forming a vortex proximate to a surface of the first electrode during galvanic charging and discharging of the zinc-bromine battery.

Battery Module

Resumen de: US20260112795A1

A battery module includes: a plurality of laminated battery cells; a bus bar connected to the battery cells; and a sensor unit electrically connected to the bus bar that measures a state of the battery cells. The bus bar is disposed in an accommodation space formed on one side surface of the laminated cell. The sensor unit includes a sensor case accommodating the sensor circuit, formed to a shape of the bus bar, and accommodated in the accommodation space and in contact with the bus bar. A fitting portion is electrically connected to the sensor circuit facing the bus bar in the sensor case when the sensor case is accommodated in the accommodation space. By fitting the fitting portion to the bus bar, the sensor case is fixed to the bus bar, and the sensor circuit is electrically connected to the bus bar via the fitting portion.

Battery State Management Apparatus and Operating Method Thereof

Resumen de: US20260110739A1

0000 A battery state management apparatus according to an embodiment disclosed herein includes a processor and memory having programmed thereon instructions that, when executed, are configured to cause the processor to receive a measured capacity, a voltage, and a state of health (SoH) of a battery cell corresponding to a charge/discharge cycle, and compute a capacity/voltage differential value (dQ/dV) corresponding to the charge/discharge cycle of the battery cell based on the capacity and the voltage, and determine a state of the battery cell based on the capacity/voltage differential value corresponding to the charge/discharge cycle and the SoH of the battery cell.

FILTRATION DEVICE AND FILTRATION SYSTEM

Resumen de: US20260108831A1

A filtration device according to the present invention includes: a filter chamber 3 to which slurry 40 containing a particle and a liquid having different electric charges is supplied through a supply line; a first electrode group 10A or a second electrode group 10B including cathode electrodes 11, 12 or anode electrodes 13, 14 provided on both side surfaces of the filter chamber to face each other and configured to separate the particle 42 and the liquid 41 in the slurry 40 into separated substances by an electric field action; and a first discharge chamber 4 and a second discharge chamber 5 provided for the first electrode group 10A and the second electrode group 10B to face the filter chamber 3 and configured to allow discharging of the separated substances.

HOUSING SYSTEM AND BATTERY CELL COMPRISING THE SAME

Resumen de: US20260112738A1

Battery cell (10) and housing system (14) for a battery cell (10) comprising a housing body with a bottom and lateral walls, wherein the bottom and lateral wall comprise a conductive layer (22) comprising a metal material, and the lateral wall further comprises a barrier layer wherein the barrier layer surrounds and is in contact surface with the conductive layer, the bottom being devoid of the barrier layer, and wherein the thermal resistance of the barrier layer is higher than the thermal resistance of the conductive layer.

ELECTROLYTE SOLUTION OF LITHIUM-ION BATTERY AND LITHIUM SECONDARY BATTERY

Resumen de: US20260112696A1

0000 An electrolyte solution of a lithium-ion battery and a lithium secondary battery. The electrolyte solution of a lithium-ion battery includes an organic solvent, a lithium salt and an additive, wherein the organic solvent includes fluorinated ethylene carbonate accounting for at least 5% of the total mass of the electrolyte solution, the additive comprises an additive A containing one or more compounds which have three or more carbon-carbon double bonds, and the electrolyte solution does not include a compound containing a sulfonyl group. The electrolyte solution of a lithium-ion battery is not only more environmentally friendly, but can also improve the swelling of the battery during the formation and high-temperature storage thereof, the discharge capacity of the battery, and the self-discharge performance of the battery under a high voltage.

BIODEGRADABLE DIRECT IMMERSION COOLING FLUID

Resumen de: US20260109891A1

0000 The invention concerns the use as cooling fluid, via direct immersion, of a composition comprising 80 to 100 weight % of a hydrocarbon fluid relative to the total weight of the composition, said hydrocarbon fluid comprising at least 90 weight % of a hydrocarbon fluid comprising at least 90 weight % of isoparaffins and less than 100 ppm by weight of aromatics relative to the total weight of the hydrocarbon fluid, said hydrocarbon fluid having 28-day biodegradability measured according to standard OECD 301B higher than or equal to 60%.

Electrode for Electrochemical Device

Resumen de: US20260112607A1

0000 The present disclosure relates to an electrode for an electrochemical device, and more particularly, to a dry electrode and a method for manufacturing the same. According to an aspect of the present disclosure, there is provided a new method for manufacturing a dry electrode free of wrinkles in an uncoated portion having no electrode active material layer on a current collector.

ENERGY STORAGE DEVICE

Resumen de: US20260112749A1

An energy storage device includes: an electrode assembly formed by stacking a plurality of plates and elongated in a predetermined direction intersecting with a stacking direction; a container that accommodates the electrode assembly and is elongated in the predetermined direction; and a positive electrode terminal and a negative electrode terminal that are electrically connected to the electrode assembly. The electrode assembly includes: an electrode assembly body; and a pair of connecting portions that protrudes from one end portion of the electrode assembly body in the predetermined direction, and is electrically connected to the positive electrode terminal and the negative electrode terminal. A protruding portion on which the pair of connecting portions is disposed is formed at one end portion of the container in the predetermined direction.

NONAQUEOUS ELECTROLYTIC SOLUTION AND NONAQUEOUS ELECTROLYTIC SOLUTION BATTERY INCLUDING NONAQUEOUS ELECTROLYTIC SOLUTION

Resumen de: US20260112701A1

0000 The present invention relates to a nonaqueous electrolytic solution comprising an electrolyte, a nonaqueous solvent, a compound represented by general formula (I), and at least one specific anion-containing compound selected from an anion-containing compound having a P═O bond and a P—F bond, an anion-containing compound having an S═O bond and an S—F bond, and an alkyl sulfate anion-containing compound, in which the mass ratio of the compound represented by the general formula (I) to the specific anion-containing compound satisfies a specific range. The present invention also relates to a nonaqueous electrolytic solution battery comprising a negative electrode and a positive electrode capable of occluding and releasing metal ions, and the nonaqueous electrolytic solution. 0000

BATTERY MODULE OF THE TYPE THAT CAN BE DISASSEMBLED AND BATTERY PACK OBTAINED ASSEMBLING AT LEAST TWO SUCH BATTERY MODULES

Resumen de: US20260112781A1

A battery module including multiple cells arranged according to at least one row, each cell having a positive terminal and a negative terminal positioned at opposite ends. A first and a second connection bar, or busbar, are provided electrically connected to the positive terminals and to the negative terminals of the cells. Support bodies are provided with respective conductive elements which include a respective connection portion and multiple contact portions. An engagement group is provided that removably mechanically engages the support bodies in a predetermined working position, in which the connection portions are mechanically forced to be arranged in contact with the first, or the second, connection bar, and each contact portion to be arranged in contact, with a respective positive terminal or with a respective negative terminal such that the electrical connection between the first and the second connection bar and the plurality of cells.

SECONDARY BATTERY

Resumen de: US20260112638A1

A secondary battery that achieves higher conductivity of a positive electrode and has higher capacity is provided. The secondary battery includes a positive electrode that includes a positive electrode active material, a first conductive material, and a second conductive material whose shape is different from that of the first conductive material. The positive electrode active material includes lithium cobalt oxide containing magnesium in its surface portion. The weight of the second conductive material is lower than or equal to the weight of the first conductive material. The second conductive material forms an assembly and has a portion sticking to the positive electrode active material.

BATTERY SYSTEM HAVING A BATTERY MODULE

Resumen de: US20260112726A1

A battery system includes a battery module that utilizes the first and second retention housings to hold a battery cell retention frame therein that can be either air cooled or fluid cooled. In particular, the first and second retention housings have an inlet port and an outlet port, respectively, for routing fluid through the battery cell retention frame for cooling cylindrical battery cells thereon. Alternately, the battery cell retention frame can be air cooled for cooling the cylindrical battery cells. Also, the first and second retention housings provide improved structural integrity to the battery module.

Unit Cell And Battery Cell Including The Same

Resumen de: US20260112780A1

A unit cell includes an electrode positioned between a first separator and a separator in a stack. A first adhesive is positioned between the electrode and at least one of the first and second separators, and a second adhesive is positioned between the first separator and the second separator. A shear strength of the first adhesive is less than or equal to a shear strength of the second adhesive.

FIRE DETECTOR AND BATTERY PACK

Resumen de: AU2024337353A1

A fire detector and a battery pack. The fire detector comprises a mounting end cover (1), a fire sensing assembly (2), and a protective cover (3). The mounting end cover (1) is detachably provided outside a battery pack body (100). The fire sensing assembly (2) is located inside the battery pack body (100) and is detachably connected to the mounting end cover (1). The protective cover (3) is detachably connected to the side of the mounting end cover (1) provided with the fire sensing assembly (2), the protective cover (3) covers the fire sensing assembly (2), and the protective cover (3) is provided with detection holes (31). The interior of the battery pack body (100) is communicated with the interior of the protective cover (3) by means of the detection holes (31).

BATTERY

Resumen de: US20260112745A1

In an insulating sheet, a first left-side piece portion, a second left-side piece portion, a left-side bottom piece portion, a first left-side connection portion, and a second left-side connection portion form a first communication path for communicating inside and outside of the insulating sheet, the first communication path having a first open end at a position of an end of each of the first left-side connection portion and the second left-side connection portion on the opening side of an exterior package. The first communication path is located on a shortest reach path for an electrolyte solution reaching, from the outside of the insulating sheet, an end portion of an electrode assembly closest to a ridgeline portion of the exterior package on the bottom portion side and on the side of one of a pair of second side walls.

BATTERY PACK AND VEHICLE INCLUDING SAME

Resumen de: US20260112756A1

0000 A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a vent portion configured to force gas out; and a pack case in which the at least one battery cell is accommodated such that the vent portion faces a lower side of the battery pack. The vent portion is exposed from the battery pack.

Battery Diagnosis Device, Battery Diagnosis Method, Battery Pack, and Electric Vehicle

Resumen de: US20260110755A1

A battery diagnosis apparatus according to the present disclosure includes a voltage sensor to generate a voltage signal indicating a battery voltage of a battery; a current sensor to generate a current signal indicating a battery current flowing through the battery; and a control circuit. The control circuit determines a measured capacity curve over a predetermined set voltage range based on the voltage signal and the current signal collected at each unit time for a constant current period during which the battery is charged or discharged at a predetermined current rate over the set voltage range. The control circuit determines a measured differential curve over the set voltage range based on the measured capacity curve. The control circuit determines whether a negative electrode tortuosity of the battery abnormally increased by comparing the measured differential curve with a reference differential curve.

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

Resumen de: US20260112648A1

A positive electrode material and a preparation method thereof, and a lithium-ion battery. The positive electrode material includes a core, an oxygen-absorbing layer, and a passivation layer in sequence from inside to outside; the core includes an oxide composed of Ni, Li, a metal element M, and a non-metal element Q; the metal element M includes at least one of Mg, Al, Zr, Ca, Ti, Sr, Y, Nb, Mo, W, Ta, or Ce; the non-metal element Q includes at least one of F, B, P, or Si; the oxygen-absorbing layer is an unsaturated oxide including a coating element L; the coating element L includes at least one of V, Ga, In, Sn, Bi, Ce, Pr, or Sb; the passivation layer is a compound including element F.

DETECT AND PREVENT BATTERY SWELLING

Resumen de: US20260110744A1

0000 Examples are described herein for monitoring power source usage of a computing device, including a battery and another power source, over time. In various examples, time periods of this monitored time may be added to a time count based on their immediately previous or immediately subsequent time periods satisfying a condition. The time count may be used to track periods of time during which certain power source usage factors are present that may lead to or may indicate the presence of battery swelling. After a time period is added to the time count, the updated time count can be compared to a time count threshold, and a user of the computing device may be warned based on the comparison. The threshold and warning may be selected to warn a user of potential present or future swelling of the battery.

PROCESS FOR PREPARING SILICON-CONTAINING COMPOSITE PARTICLES

Resumen de: US20260112598A1

0000 Silicon-containing composite particles, the process comprising the steps of: (a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein the D<50 >particle diameter of the porous particles from 0.5 to 200 μm; the total pore volume of micropores and mesopores is from 0.4 to 2.2 cm<3>/g; and the PD<50 >pore diameter is no more than 30 nm; c (b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of porous particles has a volume of at least 20 cm<3 >per litre of reactor volume (cm<3>/L), and wherein the charge of the silicon-containing precursor comprises at least 2 g of silicon per litre of reactor volume (g/L); and (c) heating the reactor to a temperature effective to cause deposition of silicon in the pores of the porous particles, thereby providing the silicon-containing composite particles.

FUNCTIONALIZED PRE-CROSSLINKED HYDROGENATED NITRILE RUBBERS AS AQUEOUS BASED CATHODE BINDERS FOR LI-ION BATTERY APPLICATIONS

Resumen de: US20260112636A1

The invention relates to a functionalized and pre-crosslinked hydrogenated nitrile rubber as a binder in a cathode of a battery cell, to a cathode of a battery cell comprising said polymer, and to a composition comprising said polymer and an organic solvent.

BATTERY SEPARATOR AND PREPARATION METHOD THEREOF

Resumen de: US20260112778A1

0000 Provided in the present disclosure is a battery separator, including: at least one base film; at least one inorganic layer located on the base film; and a plurality of polymer particles. The plurality of polymer particles are located on the inorganic layer. The density of the polymer particles is less than the density of the inorganic layer. In the present disclosure, the prepared polymer particles having a multilayer structure are blended with barium titanate. A blended slurry is coated onto the base film and then placed in an oven for drying. During a drying process, a density difference exists between barium titanate and the polymer particles, so that barium titanate having a relatively large density sinks and the polymer particles float up. Therefore, the manufactured battery separator has excellent heat resistance and high adhesive performance.

SODIUM ION HALIDE SOLID ELECTROLYTE, PREPARATION METHOD THEREFOR, AND USE THEREOF

Nº publicación: WO2026081356A1 23/04/2026

Solicitante:

GUANGDONG POWER GRID CO LTD [CN]
ELECTRIC POWER RES INSTITUTE OF GUANGDONG POWER GRID CO LTD [CN]
\u5E7F\u4E1C\u7535\u7F51\u6709\u9650\u8D23\u4EFB\u516C\u53F8
\u5E7F\u4E1C\u7535\u7F51\u6709\u9650\u8D23\u4EFB\u516C\u53F8\u7535\u529B\u79D1\u5B66\u7814\u7A76\u9662

Resumen de: WO2026081356A1

Provided are a sodium ion halide solid electrolyte, a preparation method therefor, and a use thereof. The sodium ion halide solid-state electrolyte achieves optimization of a sodium ion transmission path and a microstructure by means of doping BH4 and O anions into the structure thereof, and adjusting the doping amount, thereby reducing sodium ion migration activation energy, effectively improving the ionic conductivity of a product. In addition the electrolyte has oxidation resistance and high electrochemical stability, and is compatible with a high-voltage positive electrode material in applications.