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891
results.
Updated on
16/08/2025 [07:10:00]
Results 625 to 650 of 891
Absstract of: US2025253330A1
A silicon-based negative electrode active material. The silicon-based negative electrode active material includes a silicate containing an alkaline earth metal element, and the silicon-based negative electrode active material contains both the element K and the element Mn. A method for preparing the silicon-based negative electrode active material. A secondary battery includes a negative electrode that includes the silicon-based negative electrode active material.
Absstract of: US2025253335A1
An energy storage apparatus is provided. The apparatus includes an electrode assembly, including a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet includes a current collector and an active material layer. The active material layer includes a first lithium-containing compound and a second lithium-containing compound being a lithium-supplement particle and including a lithium-supplement core and an outer shell. A connection area and a separation area are formed between the lithium-supplement core and the outer shell. The ratio of the path length of the outer shell of the lithium-supplement particle in the connection area to the total circumference of the outer shell within a cross-section of the positive electrode sheet is greater than or equal to 5% and less than or equal to 45%.
Absstract of: US2025253328A1
It is an object of the present disclosure to provide an electrode mixture slurry for a solid-state battery with reduced gelling. An electrode mixture slurry for a solid-state battery, the electrode mixture slurry comprising an electrode active material, a solid electrolyte, a conductive aid, a binder and a dispersing agent, wherein A1 (A1=B/C1) is 700 or greater, A2 (A2=B/C2) is 2000 or greater, the storage modulus of the electrode mixture slurry being smaller than the loss modulus of the electrode mixture slurry throughout the entire shear strain range of 0.01% to 1000%.
Absstract of: US2025253480A1
A battery pack capable of relieving internal pressure during thermal runaway, in accordance with one embodiment of the present disclosure, includes at least one battery module; and a case housing the battery module. The case includes: a vent hole through which gas is discharged from an inside of the case; and a venting tape disposed at the case to cover the vent hole.
Absstract of: US2025253331A1
A negative electrode active material, a method for its preparation, a negative electrode plate, a lithium-ion battery, and an electrical apparatus are disclosed. The lithium-ion battery includes one or more battery cells, each containing a negative electrode plate comprising a negative electrode current collector and a negative electrode film layer on at least one surface. The negative electrode film layer includes a negative electrode active material with an inner core of graphite and a coating layer of amorphous carbon. In a cumulative distribution curve of R values obtained via laser microscopic confocal Raman spectroscopy in surface scanning mode, the centralization of R values is ≤2.0. The disclosed negative electrode active material enhances both energy density and kinetic performance of the battery, improving its overall efficiency and cycle life.
Absstract of: US2025253425A1
The present relates to a process of shredding a lithium battery. The lithium battery is shredded and quenched with a shredding liquid in a shredding compartment to safely discharge the batteries and producing shredded battery residues and a liquid comprising organic compounds and lithium compound. At least a portion of the liquid is separated from the shredded battery residues to obtain a separated liquid containing a low flash point solvent and a high flashpoint solvent. A recycled shredding liquid is produced from the separated liquid by removing at least a portion of the low flash point solvent and/or increasing the concentration of the high flashpoint solvent in the recycled shredding liquid to increase a flash point of the recycled shredding liquid compared to the shredding liquid in the shredding compartment. The recycled shredding liquid is fed to the shredding compartment to replace at least a portion of the shredding liquid.
Absstract of: US2025253420A1
Provided is a battery module assembly in which unit modules are stacked. Each of the unit modules includes: a plurality of battery cells; and a plurality of cartridge assemblies for respectively fixing the plurality of battery cells. The battery module assembly includes: a sensing assembly mounted to upper ends of the plurality of cartridge assemblies and assembled thereto; a front cover for covering front surfaces of the cartridge assemblies; and a connector coupled and fixed to the front cover. The connector includes: a connector body; and a first protrusion region that protrudes from the connector body. An upper sensing assembly connection hole is formed in an upper region of each of the cartridge assemblies.
Absstract of: US2025253415A1
The energy storage apparatus includes: an electrode assembly, including a positive electrode sheet, a negative electrode sheet and a separator. An active material layer of the positive electrode sheet includes a first lithium-containing compound and a second lithium-containing compound. The second lithium-containing compound is lithium-replenishing particles. The lithium-replenishing particle includes a lithium-replenishing core and a shell. A connection area and a separation area are formed between the lithium-replenishing core and the shell. A standard deviation of path length ratios of D lithium-replenishing particles is less than or equal to 0.18. The path length ratio of the lithium-replenishing particle refers to a ratio of a path length of the shell of the lithium-replenishing particle in the connection area to a total circumference of the shell in a cross section of the positive electrode sheet.
Absstract of: US2025253414A1
The present application provides a battery diaphragm, including: a porous substrate and an adhesive layer formed on the side of the porous substrate. The adhesive layer includes a polymer material with an adhesive property. The adhesive layer has a coating coefficient C. The coating coefficient C is equal to a ratio of the adhesive strength A of the adhesive layer to a value P of an increase in gas permeability per unit coating thickness of the adhesive layer. A relation C=A/P is satisfied. The coating coefficient C has a ratio in a range of 0.3
Absstract of: US2025253421A1
A system includes system includes at least one cell stack including one or more battery cells and an electrochromic indicator associated with one or more battery cells. A visual system monitors each electrochromic indicator.
Absstract of: WO2025161217A1
The present application relates to a low-voltage lithium battery, comprising: a circuit assembly, a plastic middle frame, a wound cell assembly, a metal housing, and an insulating outer sheath. The circuit assembly comprises a PCB, an outer conductive cap, and an inner conductive cap. A positive electrode copper ring and a negative electrode copper ring are arranged on the front side of the PCB. The positive electrode copper ring is electrically connected to the outer conductive cap, and the negative electrode copper ring is electrically connected to the metal housing. A high-voltage input copper ring is arranged on the back side of the PCB, and is electrically connected to the inner conductive cap. A positive tab of the wound cell assembly is electrically connected to the inner conductive cap, and a negative tab of the wound cell assembly is electrically connected to the metal housing. By providing the positive electrode copper ring, the negative electrode copper ring, and the high-voltage input copper ring on the PCB, the electrical connection between the wound cell assembly and the PCB and the electrical connection between a low-voltage output element and the PCB can be achieved without the use of conductive wires, improving the stability of electrical performance, simplifying the internal connection structure of the lithium battery, enhancing safety, and enabling industrialized production.
Absstract of: WO2025161218A1
The present application relates to a 1.5 V lithium battery and a manufacturing method therefor. The 1.5 V lithium battery comprises a circuit assembly, a plastic middle frame, a wound battery cell assembly, a metal case, and an insulating sleeve; the circuit assembly, the plastic middle frame and the wound battery cell assembly are sequentially arranged in the metal case from top to bottom; a groove is inwards formed in the upper part of the metal case, and a spun edge is inwards arranged at the top of the metal case; the groove limits the wound battery cell assembly at the bottom of the metal case; the plastic middle frame is limited between the groove and the spun edge, and sealing between the plastic middle frame and the metal case is achieved; and the circuit assembly is arranged on the plastic middle frame. According to the present application, the wound battery cell assembly is directly placed in the metal case, which eliminates a layer of outer wrapping compared to the prior art using pouch lithium battery cells or hard-case lithium battery cells, resulting in lower costs; by providing the groove, the wound battery cell assembly is fixed; and the groove and the spun edge at the upper end jointly press and seal the plastic middle frame, without leaking an electrolyte.
Absstract of: WO2025161220A1
A buck circuit assembly for a lithium battery, and a 1.5 V lithium battery. The buck circuit assembly comprises a PCB (1), an outer conductive cap (2) and an inner conductive cap (3); the front surface of the PCB (1) is provided with a positive electrode copper ring (11) and a negative electrode copper ring (12); the positive electrode copper ring (11) is electrically connected to the outer conductive cap (2); the outer conductive cap (2) is used as a low-voltage output positive electrode; the negative electrode copper ring (12) is used as a common negative electrode; the back surface of the PCB (1) is provided with a high-voltage input copper ring (13); the high-voltage input copper ring (13) is electrically connected to the inner conductive cap (3); and the inner conductive cap (3) is used as a high-voltage input positive electrode. The PCB (1) achieves the functions of high-voltage input and low-voltage output by means of the three copper rings; the high-voltage input copper ring (13) serves as a high-voltage input positive electrode, the positive electrode copper ring (11) serves as an output positive electrode of a lithium battery, the negative electrode copper ring (12) serves as an output negative electrode of the lithium battery, achieving charging and discharging functions by means of the same port; and there is no need to provide any conductive cable, achieving higher stability of electrical performance, simplifying the internal connection structure of the lithium b
Absstract of: WO2025162667A1
The invention relates to an energy storage unit (10) comprising: a storage battery unit (12) and an insulation unit (14), wherein the storage battery unit (12) is designed to store, absorb and/or output electrical energy, wherein the energy storage unit (10) can be arranged on a boundary element (16) in order to apply a predetermined force to the storage battery unit (12), wherein the insulation unit (14) is arranged between the storage battery unit (12) and the boundary element (16), wherein the insulation unit (14) is designed to reduce a heat flow between the storage battery unit (12) and the boundary element (16).
Absstract of: WO2025161597A1
A high-nickel single crystal positive electrode material, a preparation method therefor, a positive electrode sheet, a secondary battery and an electrical apparatus. The chemical formula of the high-nickel single crystal positive electrode material is Li1+δNixMyQ1-x-yO2+εAαRβXγ, wherein 0.8≤x＜1, 0＜y≤0.2, 0≤δ≤0.15, 0＜ε≤0.2, 0＜α≤0.04, 0＜β≤0.04, 0≤γ≤0.04, the element M and element Q each independently comprise one or more of Mn, Co, Al, Ta, Ti, Nb, Ge, Y, Nb, W, Zr, Ce, Ca, Sr, Sc, V, Cr and Mo, the element A comprises one or more of Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Ta, Mo, W, La, Ce, Sc and Cr, the element R comprises one or more of B and P, and the element X comprises one or more of Na, K, Mn, Mg, Ca, Sr and Al. The molar ratio of surface Ni3+ in the high-nickel single crystal positive electrode material is 38%-55%, and the molar ratio of surface lattice oxygen is 7%-15%. The material has obviously reduced structural defects, thus improving the specific capacity thereof, and improving the cycle performance thereof.
Absstract of: WO2025162653A1
The present invention relates to an apparatus composed of a composite comprising an aggregate phase comprising refractory particles; and a binder phase comprising binder refractory particles and an aluminosilicate phase. The binder refractory particles are embedded within the aluminosilicate phase; and wherein the sum of the refractory particles + aluminosilicate phase + binder refractory particles is at least 70 wt% of the total weight of the composite composition.
Absstract of: WO2025162652A1
The present invention relates to an open vessel for containing cathode active materials with a capacity in the range of 0.01 to 2000 litres composed of a composite comprising an aggregate phase comprising refractory particles; and a binder phase comprising binder refractory particles and an aluminosilicate phase. The binder refractory particles are embedded within the aluminosilicate phase; and wherein the sum of the refractory particles + aluminosilicate phase + binder refractory particles is at least 70 wt% of the total weight of the composite composition.
Absstract of: WO2025163240A1
A computer implemented method for controlling a virtual power plant, VPP, to provide (401) symmetric power reserve for an electric grid, wherein the VPP comprises a plurality of battery units. The method includes detecting (402) a need to activate the power reserve for up regulation or for down regulation, wherein the up regulation comprises drawing energy from one or more battery units of the VPP and the down regulation comprises storing energy to one or more battery units of the VPP; obtaining (403) information about energy levels of the battery units of the VPP; arranging (404) the battery units to an up regulation priority order and to a down regulation priority order based on the information about energy levels of the battery units; and activating (407) battery units in the up regulation priority order for up regulation until required capacity is reached, or activating (408) battery units in the down regulation priority order for down regulation until required capacity is reached. The up regulation priority order is arranged (405) by first prioritizing battery units with energy level above a battery unit specific target level, and by then continuing the up regulation priority order by prioritizing battery units with energy level below the battery unit specific target level. The down regulation priority order is arranged by first prioritizing battery units with energy level below a battery unit specific target level, and by then continuing the down regulation priority ord
Absstract of: WO2025162845A1
The invention relates to a battery system having a plurality of battery cells (11) and a first printed circuit board (12), wherein - a number of conductive and preferably ferromagnetic elements (14) are arranged on or in the first printed circuit board (12), and - a magnet (15) is arranged between a number of battery cells (11) and a conductive and preferably ferromagnetic element (14) such that - the magnetic force (15) of said magnet holds the associated battery cell (11) on the first printed circuit board (12) at least in a direction toward the first printed circuit board (12), and such that - the magnet (15) establishes an electrically conductive connection between a pole of the associated battery cells (11) and the first printed circuit board (12). The invention also relates to a control unit (30) and to a monitoring method.
Absstract of: DE102024102881A1
Die Erfindung betrifft eine Energiespeichereinheit (10) aufweisend: eine Elektroden-Separator/Elektrolyt-Einheit (12), wobei die Elektroden-Separator/Elektrolyt-Einheit (12) dazu eingerichtet ist, elektrische Energie aufzunehmen und/oder abzugeben, wobei die Elektroden-Separator/Elektrolyt-Einheit (12) zumindest ein erstes Begrenzungselement (18) aufweist, wobei das erste Begrenzungselement (18) zumindest teilweise eine Außenseite (16) der Elektroden-Separator/Elektrolyt-Einheit (12) ausbildet, wobei die Energiespeichereinheit (10) eine Verbindungseinheit (20) aufweist, wobei die Verbindungseinheit (20) an dem ersten Begrenzungselement (18) angeordnet ist, wobei die Verbindungseinheit (20) dazu eingerichtet ist, eine Volumenänderung der Elektroden-Separator/Elektrolyt-Einheit (12) zu folgen.
Absstract of: WO2025163044A1
A lithium sulfur cell comprising a working electrode, a counter electrode, and an electrolyte, wherein the working electrode comprises a transition metal dichalcogenide (TMD) of formula (I): LiaMX2 (I); wherein a is from 0 to 2.0; X is selected from S, Se, and Te; and M is a transition metal. The electrolyte is a quasi-solid-state electrolyte (QSSE), the electrolyte comprising a monomer, a polymer formed or formable from the monomer, and a lithium salt. The invention also relates to a method of preparing an electrolyte and a method of preparing a lithium sulfur cell. The lithium sulfur cell may be used for high density energy storage.
Absstract of: WO2025162537A1
The invention relates to a method for producing battery cells with corresponding battery electrodes for electrical energy stores by means of a production apparatus (10), in which method a stacking process is carried out by means of a stacking device followed by a pressing process by means of a pressing device, said method having the steps of: - stacking corresponding electrode materials to form an electrode stack (12); - placing the resulting electrode stack (12) on a base plate (14) by means of respective hold-down devices (16) of the stacking device; - fixing a fixing plate (18) to a side (12a) of the electrode stack (12) opposite the base plate (14) by means of releasable fixing elements (20); - placing the base plate (14), the electrode stack (12) and the fixing plate (18) from the stacking device to the pressing device; - pressing the electrode stack (12) at a predefined pressure; and - releasing the fixing plate (18) by removing the releasable fixing elements (20). The invention also relates to such a production apparatus (10).
Absstract of: WO2025162750A1
The invention relates to a device for a battery housing (1), comprising an air-conditioning unit, wherein the air-conditioning unit is arranged in a housing (13), wherein the air-conditioning unit has a first fan (4), which is designed to draw ambient air (3) into the housing (13) via an inflow (2), wherein the device is designed in such a way that, by means of the first fan (4), the ambient air (3) flows through a first heat exchanger (5) and then out of the housing (13) via an outflow (6), and also comprising a second fan (7), which is designed to feed a stream of heated internal air (8) to a second heat exchanger (9) of the air-conditioning unit, wherein a switchover device (12) is provided, which is designed in such a way that the ambient air (3) is separated from the internal air (8), wherein the switchover device (12) is also designed in such a way that, in the event of a fault, the internal air (8) is connected to the outflow (6) in such a way that the internal air (8) flows out of the battery housing (1).
Absstract of: WO2025162691A1
The invention relates to a scanner system for testing at least two battery stacks in pairs. The scanner system comprises a feed line for feeding at least two battery stacks into an X-ray scanner for recording at least one image, said recorded image showing a recorded image region. A first manipulator for moving the first battery stack or the second battery stack is provided in front of the X-ray scanner, and a second manipulator for moving the first battery stack or the second battery stack is provided behind the X-ray scanner, wherein the first battery stack and the second battery stack can be positioned in the recorded image region of the X-ray scanner by means of the manipulators. The scanner system comprises a removal line for removing at least one of the at least two battery stacks, the feed line comprises a first rotary table, and the removal line comprises a second rotary table. The rotary tables are designed to rotate the first battery stack, alternatively or in addition to the second battery stack.
Nº publicación: WO2025163218A1 07/08/2025
Applicant:
ALLISON TRANS INC [US]
MARTIN MARTIN HUGO [ES]
ALLISON TRANSMISSION, INC,
MART\u00CDN MART\u00CDN, Hugo
Absstract of: WO2025163218A1
A system and method for determining an internal state of a battery that synchronizes the overall available charge and discharge power with the present charge and discharge current limits. The system can be operated to determine a current limit for the battery according to an internal state of the battery, a voltage-based current limit, and a merged current limit. The system may also be configured to determine an expected voltage based on the current limit, and to optionally determine an overall available power output based on the current limit and the expected voltage.
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