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746
results.
Updated on
21/08/2026 [07:19:00]
Results 375 to 400 of 746
Absstract of: US20260237780A1
0000 A battery cell group assembly includes a cooling plate, one or more battery cells operably coupled to the cooling plate, and one or more thermal insulators disposed between the one or more battery cells. The battery cell group assembly also includes an anisotropic thermal conductivity layer operably coupled to the one or more battery cells and the one or more thermal insulators. The anisotropic thermal conductivity layer is configured to redirect heat from the one or more battery cells to the cooling plate.
Absstract of: US20260235687A1
An energy storage circuit is provided. The energy storage circuit includes a battery module formed of a plurality of battery cells, a current sense resistor, and a controller. Each battery cell is coupled to a corresponding cell resistor via a switch. The controller is operable to arrange the switches in a first configuration to perform an impedance measurement of one or more battery cells in the battery module. In the first configuration the cell resistors are coupled in series with each other and with the current sense resistor.
Absstract of: US20260235681A1
0000 An internal short-circuit detecting method includes obtaining a reference current-time data and a reference voltage-time data; obtaining a current-time data and a voltage-time data of a testing battery module; calculating a current integral quantity of the current-time data, a voltage average value of the voltage-time data, and a reference current integral quantity of the reference current-time data by a battery-cell internal short-circuit model; calculating a difference value between the current integral quantity and the reference current integral quantity to obtain an electric leakage quantity; calculating an internal short-circuit impedance value of the testing battery module; calculating a ratio value of the internal short-circuit impedance value to a square value of a value of N by a battery-cell internal short-circuit estimation model to obtain an estimated minimum internal short-circuit impedance value of one of an N quantities of battery cells of the testing battery module.
Absstract of: US20260234005A1
0000 A method for dry recycling and structure regeneration of a layered carbon material, in which a waste layered carbon material is pretreated, mixed with asphalt, and subjected to gas-phase infiltration in a nitrogen atmosphere at 300-500° C., pyrolytic deposition at 800° C. under vacuum, and isostatic-pressing densification at 5 MPa in an inert gas atmosphere to obtain an intermediate product; the intermediate product is heated from 800° C. to 1500° C., from 1500° C. to 2500° C., from 2500° C. to 2850° C., kept at 2850° C. under an axial pulse pressure for 1-6 h; and the resultant product is cooled and post-treated.
Absstract of: AU2025306797A1
A battery pack according to one embodiment of the present invention comprises: a cell module assembly including a battery cell stack in which a plurality of battery cells are stacked; a pack case for accommodating the cell module assembly; and a latch which can be attached to and detached from the pack case, and which can couple neighboring battery packs to each other.
Absstract of: US20260237669A1
Provided is a dry electrode, a method for manufacturing the same, and a secondary battery including the same. The dry electrode includes an electrode active material, a binder, and a polyether-based polymer compound. The polyether-based polymer compound is present in an amount of 0.1 wt. % to 15 wt. % based on 100 wt. % of the total content of the dry electrode. This composition improves process efficiency by enabling dry fabrication and enhances electrode performance by stabilizing the structure.
Absstract of: WO2026166257A1
The present invention relates to the field of secondary batteries. Provided are a lithium secondary battery, a negative electrode active material and a preparation method therefor, and an electric device. The lithium secondary battery comprises a positive electrode sheet, an electrolyte and a negative electrode sheet, wherein the negative electrode sheet comprises a silicon-carbon material; the silicon-carbon material comprises a carbon material, and a silicon material and a lithium-containing substance that are distributed inside the carbon material; and the carbon material further comprises oxygen, which forms a C-O group and a C=O group together with the carbon material, the amount of substance of the C-O group is n1, the amount of substance of the C=O group is n2, and n2/(n1+n2)×100%=55%-65%. The lithium secondary battery has good initial efficiency and cycle performance.
Absstract of: DE102025105032A1
Die Erfindung betrifft ein Verfahren zum Laden eines wiederaufladbaren Energiespeichers (23) eines elektronischen Geräts (6) über eine Ladeschnittstelle (14), wobei zu Beginn eines Ladevorgangs eine hinterlegte Ladespannung (VCI) an die Ladeschnittstelle (14) angelegt wird, wobei während eines Ladevorgangs ein durch die Ladeschnittstelle (14) fließender Ladestrom (ICI) erfasst wird, wobei anhand des erfassten Ladestroms (ICI) ein aktueller Ladezustand (ODBR, FAST, NORM, TERM) des Energiespeichers (23) bestimmt wird, wobei für den bestimmten Ladezustand (ODBR, FAST, NORM, TERM) ein Spannungsniveau (VCI, FAST, VCI, NORM, VCI,ODBR,VCI,TERM) für die Ladespannung (VCI) bestimmt wird, und wobei die Ladespannung (VCI) auf das bestimmte Spannungsniveau (VCI,FAST, VCI,NORM, VCI,ODBR, VCI,TERM) eingestellt wird.
Absstract of: US20260237874A1
0000 A secondary battery according to an embodiment of the present disclosure includes a case, an electrode assembly, and a cap assembly. An opening is formed in the case. The electrode assembly is inserted into the case through the opening and includes an electrode portion and a plurality of foil tabs formed on the electrode portion. The cap assembly seals the opening of the case into which the electrode assembly is inserted. The cap assembly includes a cap plate, an upper insulating plate, and an electrode terminal. A through-hole is formed in the cap plate. The upper insulating plate is disposed on the cap plate and includes an insulating layer and heat-fusion layers formed on an upper surface and a lower surface of the insulating layer. The electrode terminal is formed on the upper insulating plate.
Absstract of: US20260237807A1
0000 A secondary battery according to an embodiment of the present disclosure includes a case, an electrode assembly, and a cap assembly. An opening is formed in the case. The electrode assembly is inserted into the case through the opening and includes an electrode portion and a plurality of foil tabs formed on the electrode portion. The cap assembly seals the opening of the case into which the electrode assembly is inserted. The cap assembly includes a cap plate, a lower insulating plate, and an electrode terminal. A through-hole is formed in the cap plate. The lower insulating plate is disposed below the cap plate, and has a protruding portion formed at an inner end thereof. The electrode terminal is disposed above the cap plate, is inserted into the through-hole, and has, on an outer surface thereof, a first fitting groove into which the protruding portion is fitted.
Absstract of: US20260233189A1
0000 An apparatus for gas flow carbonization of energetic materials, including a screw conveyor and a heater. The screw conveyor includes an outer cylinder and a screw shaft. The outer cylinder is provided with a feeding port, a discharge port, a gas inlet and a gas outlet. The gas inlet and the gas outlet are each provided with a valve. The heater is configured to heat and supply inert gas to the gas inlet. A gas-flow carbonization method is also provided. After heating the inert gas to a required temperature, the discharge port is closed and the feeding port is opened. The heated inert gas is transported into the outer cylinder to maintain an oxygen volume concentration below 2%. After the to-be-treated material is inputted into the outer cylinder, the valve of the feeding port is closed.
Absstract of: WO2026166117A1
The present application discloses a fixed support assembly, a battery system, a vehicle, a stacking method and system, and a storage medium, which relate to the technical field of new energy and are designed to improve the stability of the battery system of an engineering vehicle. The fixed support assembly comprises a bottom support member (1), an enclosure assembly (2'), and a reinforcing assembly (4). The fixed support assembly is configured to fix a battery system in place. The enclosure assembly (2') is fixedly connected to the bottom support member (1); the enclosure assembly (2') comprises a mounting cavity (20'); and the reinforcing assembly (4) is supported by the enclosure assembly (2'). The battery system comprises at least three layers of battery packs (5), wherein two layers of battery packs (5) located at the top are located outside the enclosure assembly (2') and supported by the enclosure assembly (2'), and the remaining battery packs (5) are mounted inside the mounting cavity (20'); and the reinforcing assembly (4) is detachably fixedly connected to the two layers of battery packs (5) located at the top. The described fixed support assembly meets requirements for ultra-strong protection, heavy-load support, and adaptation to harsh working conditions while also having broad universal applicability and a modular design.
Absstract of: US20260237679A1
0000 The negative electrode body includes a current collector, and a negative electrode material layer provided on the current collector. The negative electrode material layer includes first active material particles containing a carbon material, second active material particles containing a silicon-based material, the second active material particles being dispersed among the first active material particles, and a sublimable material provided with a void among the first active material particles, the sublimable material being adhered to the second active material particles. The sublimable material is solid under a standard condition and has a property of subliming at a temperature of about 200° C. or lower, under a reduced-pressure condition, or under both.
Absstract of: US20260237766A1
0000 Systems and methods are disclosed for recovering lithium inventory and extending the operational life of lithium manganese iron phosphate (LMFP) batteries exhibiting multiphase electrochemical behavior. In example implementations, a battery cell configured with LMFP cathode materials having phase-dependent lithium transport characteristics undergoes a controlled recovery operation initiated in response to aging indicators. The recovery operation includes regulating the battery cell to a defined elevated temperature range for at least one phase of a multiphase reaction and directing a charging process while the cell is within the temperature range to promote lithium-ion migration from less accessible regions to active electrochemical sites. In some implementations, the charging process includes a low-rate charge followed by a normal-rate discharge. The disclosed techniques may be implemented by a battery management system and are applicable to vehicle, industrial, and stationary energy storage systems to improve capacity retention, operational stability, and lifecycle performance of aged LMFP batteries.
Absstract of: US20260237765A1
0000 An apparatus for pressurized pre-charging according to an embodiment of the present disclosure is configured to include a pressurization device applying pressure to or releasing applied pressure from a plurality of battery cells; and a pre-charger performing first pre-charging on the plurality of battery cells in a state pressurized by the pressurization device before a rest period, stopping the first pre-charging during the rest period, and performing second pre-charging on the plurality of battery cells in a state pressurized by the pressurization device after the rest period, wherein the pressurization device performs pressurization against the plurality of battery cells for the first pre-charging and the second pre-charging, and performs depressurization on the plurality of battery cells during the rest period.
Absstract of: DE102025000498A1
Eine Sekundärzelle mit nachhaltiger Isolierung. Die Schutzfolie der einzelnen Zellen wird durchstoßen und bleibt im Verbau ohne Entsorgung dieser Schutzfolie. Die Verbinder lassen ein verpolen nicht zu. Sind die Verbinder montiert lässt sich die Spannung an jeder Zelle messen.Schadhafte Zellen können ermittelt und getauscht werden .Die Zelle selbst wird in Sandwich-Bauweise aus Lotplatierten Teilen und Lotpaste zusammengebaut und final im Lötofen gelötet.
Absstract of: US20260237650A1
0000 A method for the manufacture of a cathode active material includes contacting a transition metal oxyhydroxide with an alkali metal source to form an oxyhydroxide intermediate having alkali metal cations inserted therein, and heat treating the oxyhydroxide intermediate to form the cathode active material. Cathode active materials and oxyhydroxide metal precursor compositions are also described herein.
Absstract of: WO2026168808A1
A charging management device according to an embodiment disclosed in the present document may comprise: an interface for acquiring a C-rate value at which a battery is charged and a voltage value of the battery during a charging process in which a charging period and a rest period are repeated; and a controller for calculating an internal resistance value of the battery on the basis of a variation in the voltage value, generating an SOC-internal resistance profile including a correlation between the internal resistance value and an SOC of the battery, identifying a diagnosis target SOC range on the basis of the C-rate value, calculating, in the SOC-internal resistance profile, moving averages of internal resistance values included in the diagnosis target SOC range, and controlling charging of the battery on the basis of a magnitude relationship of the calculated moving averages.
Absstract of: DE102025104818A1
Die Erfindung betrifft ein Batteriegehäuse (12) für eine Batterie (10), wobei das Batteriegehäuse (12) ein erstes Gehäuseteil (14) und ein zweites Gehäuseteil (16) umfasst, die miteinander elektrisch leitend verbunden sind und einen Innenraum (18) zur Aufnahme mindestens einer Batteriezelle (24) der Batterie (10) miteinander einschließen. Dabei ist vorgesehen, dass das erste Gehäuseteil (14, 26) als eine mehrlagige Folie (14, 26) bereitgestellt ist, die eine Kunststoffschicht (28, 29 ,28') und eine elektrisch leitfähige Schicht (30; 32, 34) umfasst, die elektrisch leitend mit dem zweiten Gehäuseteil (16) mittels einer Fügeverbindung (36, 48, 54, 64) gefügt ist.
Absstract of: US20260237866A1
0000 The present disclosure relates to a battery cell and a method of manufacturing the same. According to the battery cell and the method of manufacturing the same, an electrode plate of the battery cell is coupled to an insulating member having a groove formed therein, and a portion of the electrode plate which fills the groove is formed to be in contact with an electrode tab, thereby electrically connecting the electrode tab of the battery cell and a current collector more stably.
Absstract of: US20260237666A1
A solid-state battery includes a current collector, an electrode active material layer disposed on at least one principal face of the current collector, an insulating layer disposed on the one principal face of the current collector so as to be in contact with an end portion of the electrode active material layer, and a solid electrolyte layer disposed on the electrode active material layer and the insulating layer, in which a Young's modulus of the insulating layer is smaller than a Young's modulus of the electrode active material layer.
Absstract of: WO2026166273A1
A solid-state battery cell and a preparation method therefor, a battery device and an electric device. The solid-state battery cell of the present application comprises a positive electrode sheet, a negative electrode sheet and a solid electrolyte, wherein the solid electrolyte comprises a sulfide; the positive electrode sheet comprises a positive electrode material; and a separator layer is arranged between the positive electrode sheet and the sulfide solid electrolyte, and comprises a compound Li3-nA1-xBxCl6-a-bBraFb. The cycling stability and fast charging performance of the solid-state battery cell are improved.
Absstract of: US20260237849A1
0000 A battery cell includes C cathode electrodes including a cathode active material layer arranged on one or both sides of a cathode current collector, A anode electrodes, and S separators arranged between adjacent ones of the C cathode electrodes and the A anode electrodes, where C, S and A are integers greater than one. Each of the A anode electrodes includes an anode current collector, a lithium silicide layer arranged on the anode current collector, and an artificial solid electrolyte interface arranged in first regions on one side of the lithium silicide layer and not in second regions on the one side of the lithium silicide layer. The artificial solid electrolyte interface includes one or more materials selected from a group consisting of lithium carbonate (Li<2>CO<3>), lithium nitride (Li<3>N), lithium oxide (Li<2>O), lithium phosphide (Li<3>P), lithium phosphate (Li<3>PO<4>), and combinations thereof.
Absstract of: WO2026166729A1
The invention relates to a battery module (1) having two cell bars (2, 3) made of prismatic individual battery cells (5), wherein a cooling element (4) through which a cooling medium flows is arranged between the two cell bars (2, 3), wherein the cooling element (4) has venting channels (10) for dissipating gases when overpressure relief elements (6) of the individual battery cells (5) open. The battery module according to the invention is characterized in that the individual battery cells (5) in each cell bar (2, 3) are arranged in such a way that their overpressure relief elements (6) point toward the cooling element (4), and in that their electrical cell contacts (7) are arranged on the opposite side facing away from the cooling element (4).
Nº publicación: US20260237754A1 13/08/2026
Applicant:
XIAMEN HITHIUM ENERGY STORAGE TECH CO LTD [CN]
XIAMEN HITHIUM ENERGY STORAGE TECHNOLOGY CO., LTD.
Absstract of: US20260237754A1
A battery, an energy storage device, and an energy storage system. The battery includes a positive electrode sheet, a separator, and a negative electrode sheet. The separator is disposed between the positive electrode sheet and the negative electrode sheet. The separator includes a substrate film, a first adhesive layer, and a second adhesive layer. The first adhesive layer is disposed between the substrate film and the positive electrode sheet for bonding the substrate film to the positive electrode sheet, and the second adhesive layer is disposed between the substrate film and the negative electrode sheet for bonding the substrate film to the negative electrode sheet.
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