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1238
resultados
Última actualización
22/07/2025 [07:13:00]
Resultados 175 a 200 de 1238
Resumen de: US2025233201A1
Provided is a sulfide solid electrolyte glass ceramic containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom and having peaks at diffraction angles (2θ) of 20.2° and 29.3° in X-ray diffractometry using CuKα line. Due to an intensity ratio (PA/PB) of a peak intensity (PA) of the peak appearing at 2θ=20.2° to a peak intensity (PB) of the peak appearing at 2θ=29.3° made into more than 1.0, the sulfide solid electrolyte glass ceramic has a high ionic conductivity and has an increased water resistance. A method for producing the sulfide solid electrolyte glass ceramic is also provided.
Resumen de: US2025233207A1
An electrolyte additive is provided. The additive is a quaternary ammonium or phosphonium salt effective to suppress hydrogen evolution and metal dendrite formation during operation of a zinc electrochemical cell such as a zinc-air battery. A zinc battery cell is also provided, which contains an effective amount of the electrolyte additive.
Resumen de: US2025233204A1
A battery that cycles lithium ions includes a negative electrode, a positive electrode, a separator disposed between the negative electrode and the positive electrode, and an ionogel electrolyte. The negative electrode includes electroactive material particles comprising silicon. The positive electrode includes an electroactive positive electrode material. The ionogel electrolyte includes a polymer matrix, an ionic liquid in the polymer matrix, and a lithium salt in the ionic liquid. The ionic liquid includes a cation including a piperidinium ion and an anion including bis(fluorosulfonyl)imide (FSI).
Resumen de: US2025233150A1
Provided are graphite particles which can use carbon dioxide as a raw material and can be used as an electrode material. As to graphite particles, an interplanar spacing d 002 based on a diffraction peak corresponding to a lattice plane (002) being measured by a powder X-ray diffraction method is 0.3355 nm or more and 0.3370 nm or less, a primary particle diameter is 50 nm or more and 500 nm or less, a value of 50% of an integrated value in number base particle diameter distribution (a mean particle diameter) is a secondary particle diameter (d50), the secondary particle diameter (d50) is 0.15 μm or more and 1.6 μm or less, and a specific surface area (BET) being calculated from a nitrogen-adsorption amount at 77 K is 10 m2/g or more and 400 m2/g or less.
Resumen de: US2025233202A1
Disclosed are a solid electrolyte for a lithium secondary battery including a substitution element such as gallium (Ga), etc. and a method of manufacturing the same.
Resumen de: WO2025148410A1
Provided in the present application are a stacking device, a method for manufacturing an electrode plate assembly, and an electrode plate thermal lamination apparatus. The stacking device comprises a stacking table, a first driving roller assembly and a second driving roller assembly, wherein a first interval d1 is provided between the first driving roller assembly and the second driving roller assembly, and the length of an electrode plate unit is defined as L, where d1 is smaller than L, or d1 is greater than L, and the ratio of d1 to L is a non-integer.
Resumen de: WO2025148355A1
Disclosed in the present application are a winding needle (10), a winding device (1000) and a battery processing system. The winding needle comprises: an inner needle (11); at least two outer needles (12), which surround the inner needle along the circumference of the inner needle, and are movably arranged on the circumferential side of the inner needle in the radial direction of the inner needle; and a first structural member (13), which abuts against the outer needles, and can move relative to the outer needles in the axial direction of the inner needle to push the outer needles away from the inner needle in the radial direction of the inner needle. In the winding needle of the present application, the first structural member pushes the outer needles away from the inner needle in the radial direction of the inner needle, thereby achieving the effect of expanding the outer diameter of the winding needle; and the first structural member can be disengaged from the outer needles, and then an electrode assembly can apply pressure to the winding needle to enable the outer needles to move close to the inner needle in the radial direction of the inner needle, thereby achieving the effect of reducing the outer diameter of the winding needle. In this way, the outer diameter of the winding needle can be increased or decreased, so that the outer diameter of the winding needle can be adjusted during the winding process of the electrode assembly, thereby reducing the tab misalignment.
Resumen de: WO2025148365A1
A positive electrode active material, a preparation method therefor, a positive pole piece, a secondary battery and an electrical apparatus. In particular, the positive electrode active material comprises first lithium iron phosphate particles and second lithium iron phosphate particles, wherein the primary average particle size of the first lithium iron phosphate particles is 500-3000 nm, and the primary average particle size of the second lithium iron phosphate particles is 120-600 nm.
Resumen de: WO2025148364A1
Large-particle, low-specific-surface-area and high-dynamics lithium iron phosphate particles. The primary average particle size of the lithium iron phosphate particles is 500-3000 nm, and the BET specific surface area thereof is 3 m2/g to 8 m2/g. By means of calculation on the basis of the total weight of the lithium iron phosphate particles, the carbon content of the lithium iron phosphate particles is Cx weight%, where 0.8≤Cx≤2.0.
Resumen de: US2025233222A1
The purpose of the present disclosure is to provide a method for recovering a solid state electrolyte from an all-solid-state battery, which simultaneously recovers rare metals through a hydrometallurgical process. In order to achieve the purpose, an aspect of the present disclosure provides a method for recovering a solid state electrolyte from an all-solid-state battery, the method comprising steps of: (a) crushing or grinding the all-solid-state battery; (b) acid leaching the crushed or ground all-solid-state battery to form a leaching solution; (c) adding a first precipitant to the leaching solution to separate the leaching solution into a first precipitate and a first leachate; (d) adding a pH modifier to the first leachate to separate the first leachate into a second precipitate and a second leachate; and (e) adding a second precipitant to the second leachate to recover a third precipitate.
Resumen de: US2025233440A1
A battery control device that controls a battery pack in which a plurality of batteries are connected to each other detects a voltage variation between the plurality of batteries, calculates a restriction coefficient based on a charging rate of the battery pack and the voltage variation, and restricts inputtable/outputtable power based on the restriction coefficient, the inputtable/outputtable power being maximum power inputtable to and outputtable from the battery pack.
Resumen de: US2025233248A1
The present application provides a box body, a battery and a vehicle. The box body is used for the battery. The box body includes a bearing plate and a reinforcing beam. The bearing plate is configured to fix a battery cell. The reinforcing beam is arranged on a side of the bearing plate facing away from the battery cell and is fixed to the bearing plate. In the present application, the reinforcing beam is arranged on a side of the bearing plate facing away from the battery cell, such that the bearing plate has improved compression resistance, and the deformation thereof is alleviated when the battery is subjected to an external impact, thereby reducing the risk that the bearing plate presses the battery cell and causes damage thereto, and improving the safety of the battery.
Resumen de: US2025233256A1
Embodiments of the present disclosure provide a battery box assembly, a cell, and a battery pack, and belong to the technical field of batteries. The battery box assembly includes a box body and a separator, wherein the box body has an accommodating space, and the separator is arranged in the accommodating space; the separator is configured to divide the accommodating space into a first region and a second region; a vent hole is provided in the separator, and the vent hole is configured to connect the first region to the second region; the first region is configured to mount a cell; and the vent hole is arranged in a position corresponding to an explosion-proof valve of the cell, the vent hole is configured to guide gas and liquid flows flowing from the explosion-proof valve to the second region in a case where the explosion-proof valve of the cell is opened.
Resumen de: US2025233221A1
In a process for the direct recycling of electrode scrap which is yielded as production waste in the production of lithium-ion batteries, a process is to be provided which makes it possible to recycle electrode scrap from LIB production by mechanical stress without adversely changing the active materials so that it can be fed back into production. This is achieved in that the mechanical stressing of the electrode scrap includes pre-crushing the electrode scrap into bulk material and mechanical stressing of the pre-crushed electrode scrap in a conditioned atmosphere in a fluidised bed opposed jet mill.
Resumen de: US2025233152A1
An electrode assembly include a first electrode; a separator; and a second electrode. The first electrode includes a first substrate, a first active material layer including a first front surface active material layer and a first rear surface active material layer respectively formed on a front surface and a rear surface of the first substrate, a functional layer formed on the rear surface of the first substrate, a first finishing tape covering an end portion of the rear surface first active material layer and one end portion of the functional layer, a second finishing tape covering an end portion of the first front surface active material layer, and a third finishing tape covering an end portion of the second finishing tape. Another end portion of the functional layer overlaps the third finishing tape.
Resumen de: US2025233191A1
An electrode assembly includes a separator, a first electrode and a second electrode located with the separator therebetween and wound together with the separator. The first electrode includes a substrate including a body on which a composite layer and an insulating layer are located, and a plurality of tabs extending from one side of the body and contacting the insulating layer. A plurality of cut lines are located parallel to each other in at least one of the plurality of tabs. The plurality of cut lines are located at a distance from an edge of the tab.
Resumen de: US2025233163A1
Provided is a high areal capacity loading electrode that includes: a metal current collector; and an active material layer on the metal current collector, wherein the electrode has high areal capacity loading of greater than or equal to about 2.0 mAh/cm2, and the electrode is perforated with holes spaced from each other at an average distance ranging from about 70 μm to about 900 μm. An energy storage device including the high loading electrode is also provided.
Resumen de: US2025233162A1
A lithium secondary battery including a positive electrode, a negative electrode, a separator disposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte having lithium-ion conductivity. At the negative electrode, lithium metal deposits during charging, and the lithium metal dissolves during discharging. The negative electrode has a porous resin substrate, and a lithium metal layer laminated with the porous resin substrate. The porous resin substrate has a porous region in which the lithium metal layer is not packed.
Resumen de: US2025233161A1
An electrode assembly includes a first electrode plate. The first electrode plate includes a plurality of first stacked sections and at least one first bent section. The first bent section includes a plurality of first nicks arranged along a second direction. The second direction is an extension direction of the first bent section. The plurality of first nicks include first edge nicks located at two ends of the first electrode plate along the second direction and a first middle nick located in a middle region of the first electrode plate. A length of each first edge nick along the second direction is greater than a length of the first middle nick along the second direction.
Resumen de: WO2025148396A1
An electrode sheet and a preparation method therefor, and a battery and an electric apparatus. The electrode sheet comprises a current collector, and an active layer and a composite film layer, which are sequentially arranged on at least one side of the current collector, wherein the active layer comprises an active material and a functional additive, and the composite film layer comprises a polymer and a porous material. When the electrode sheet is used for preparing a battery, the cycling stability of the battery can be improved.
Resumen de: WO2025148346A1
A composite current collector (100), an electrode sheet, an electrode assembly (413), a secondary battery (410) and an electric apparatus. Exhaust units (31) penetrating through a conductive layer (30) are provided on the conductive layer (30), so that during preparation, the conductive layer (30) is bonded to a substrate (10), and the conductive layer (30) is pressed. Since the exhaust units (31) are provided on the conductive layer (30), residual gas in a glue will be exhausted from the exhaust units (31) during pressing, so that the conductive layer (30) and the substrate (10) are fully adhered to each other, thereby improving the bonding strength between the conductive layer (30) and the substrate (10), and effectively reducing the falling risk of the conductive layer (30). Moreover, during pressing, part of the glue permeates into the exhaust units (31), so as to enhance the adhesion strength, so that the conductive layer (30) and the substrate (10) are tightly bonded, thereby improving the stability of the structure of the composite current collector (100).
Resumen de: WO2025148329A1
A heat exchange device (13), a heat exchange system, a battery (10) and an electrical device, which belong to the technical field of batteries. The heat exchange device (13) is applied to the battery (10). The heat exchange device (13) comprises: a heat exchange body provided with a first heat exchange flow channel (1322) and a second heat exchange flow channel (1332); and an expansion valve (134), wherein an inlet end of the expansion valve (134) is connected to an outlet end of the first heat exchange flow channel (1322), and an outlet end of the expansion valve (134) is connected to an inlet end of the second heat exchange flow channel (1332). The second heat exchange flow channel (1332) comprises an upstream flow channel and a downstream flow channel which are connected in sequence, wherein the upstream flow channel is connected to the outlet end of the expansion valve (134), the upstream flow channel is configured to perform heat exchange with a battery cell (12), and the downstream flow channel is configured to perform heat exchange with the first heat exchange flow channel (1322).
Resumen de: US2025233252A1
A power storage device includes: a plurality of power storage cells; and a case that accommodates the plurality of power storage cells. The case includes a cooling plate and a bottom surface that are fixed to the plurality of power storage cells. In the power storage device, a hollow member is disposed between the plurality of power storage cells and each of the cooling plate and the bottom surface.
Resumen de: US2025233426A1
A power station assembly includes two inverter power stations configured to provide respective power outputs at a voltage and at respective currents. The power station assembly additionally includes a linking module configured to electrically connect to the two inverter power stations to receive the respective power outputs therefrom, combine the respective power outputs into a combined power output, and provide the combined power output to a load.
Nº publicación: US2025233215A1 17/07/2025
Solicitante:
TSINGHUA UNIV [CN]
BEIJING VFORTUNE NEW ENERGY POWER TECH DEVELOPMENT CO LTD [CN]
Tsinghua University,
Beijing Vfortune New Energy Power Technology Development Co., Ltd
Resumen de: US2025233215A1
Provided are a water and acid adsorbing battery separator and a preparation method therefor, a water and acid adsorbing electrode plate, and a battery. A metal organic framework material is used and scrape-coated on a battery separator to prepare a composite separator, which can efficiently adsorb impurities such as water/acid from a battery, as a water and acid adsorbing battery separator. In one aspect, the water and acid adsorbing battery separator can effectively improve the cycling stability of a battery by adsorbing impurities such as water and an acid from the battery. In another aspect, the water and acid adsorbing battery separator can reduce control conditions of water during a battery assembly process, thereby effectively reducing the cost.
BOPI
Sede Electrónica
