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1802
results.
Updated on
14/10/2025 [07:10:00]
Results 125 to 150 of 1802
Absstract of: US2025313490A1
Provided in the present application are a positive electrode active material, a preparation method, a positive electrode sheet, a secondary battery, and an electric device. The positive electrode active material has the following general formula: LiaNixM1yMnzM21-x-y-zO2, where M1 and M2 each independently include one or a plurality of Co, Al, B, Zr, Sr, Y, Sb, W, Ti, Mg, or Nb, 0.8≤a≤1.2, 0.55≤x<1, 0
Absstract of: US2025316425A1
An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode, where the anode and/or electrode includes an electrode film having a super-fibrillized binder material and carbon. The electrode film can have a reduced quantity of the binder material while maintaining desired mechanical and/or electrical properties. A process for fabricating the electrode film may include a fibrillization process using reduced speed and/or increased process pressure such that fibrillization of the binder material can be increased. The electrode film may include an electrical conductivity promoting additive to facilitate decreased equivalent series resistance performance. Increasing fibrillization of the binder material may facilitate formation of thinner electrode films, such as dry electrode films.
Absstract of: US2025314710A1
A method of generating a State of Health (SOH) estimate for a battery is disclosed. The method may include charging a battery to a reference point and obtaining a battery cell temperature at the reference point, obtaining an instantaneous impedance of the battery cell based on the battery cell's response to an applied probing waveform, and obtaining a SOH estimate based on the battery cell temperature and the instantaneous impedance. Methods of generating a State of Charge (SOC) estimate for a battery and of determining an amount of remaining device usage are also disclosed.
Absstract of: US2025314711A1
The battery management program is configured to cause a processor to implement a function of acquiring SOH information based on battery monitoring data of a battery and a function of calculating the CO2 emission amount, which is an environmental load factor related to the battery, based on the SOH information as acquired. The battery management system includes a battery management server configured to acquire SOH information based on battery monitoring data of a battery, an emission calculation unit configured to calculate CO2 emission amount based on the SOH information acquired by the battery management server, and a CO2 emission information display unit configured to display emission information related to the CO2 emission amount calculated by the emission calculation unit.
Absstract of: WO2025211493A1
The present disclosure relates to an electrode assembly taping device, and the technical task to be solved is to provide an electrode assembly taping device having improved reliability. To this end, the electrode assembly taping device of the present disclosure comprises: a frame extending in a first direction; a support member disposed on an upper portion of the frame; a guide rail coupled to one end of the frame and extending in a second direction; a tape attachment unit disposed on the guide rail and compressing tape to attach the tape to an electrode assembly; and an elastic member disposed between the tape attachment unit and the support member.
Absstract of: WO2025211497A1
The present invention relates to an all-solid-state battery, more specifically to an all-solid-state battery comprising first and second unit cells connected in series, each of the first and second unit cells comprising: a negative electrode current collector; a lithium metal layer on the negative electrode current collector; a negative electrode coating layer on the lithium metal layer; a solid electrolyte layer on the negative electrode coating layer; a positive electrode active material layer on the solid electrolyte layer; and a positive electrode current collector on the positive electrode active material layer, wherein the positive electrode active material layer contains sulfide-based positive electrode active material, the sulfide-based positive electrode active material content being 40-90 wt% with respect to 100 weight parts of the positive electrode active material layer, and the change in thicknesses of the positive electrode active material layer and lithium metal layer being complementary.
Absstract of: WO2025210986A1
Provided is a method for assembling a plate-shaped cooling device that includes a flow passage for circulating a coolant liquid, and that has greater liquid-tightness and airtightness than in the past. The method comprises: a clamping step of overlaying a first plate-shaped member (3) and a second plate-shaped member (2), and then using a clamping means to fix the first plate-shaped member and the second plate-shaped member to each other at a set of clamped regions, the set of clamped regions being two clamped regions (C) provided at the closest positions across a divided welding region (L1); and a welding step, during the clamping step, of welding the divided welding region (L1) in a state in which the clamped regions (C) are clamped.
Absstract of: WO2025211396A1
This package is composed from a laminate in which at least a base material layer, an adhesive layer, a barrier layer, and a sealant layer are laminated in this order, and covers an electric storage device. The package includes: an accommodation portion for accommodating the electric storage device by the laminate; and a sealing portion which is arranged on the outside of the accommodation portion in a direction perpendicular to the lamination direction of the laminate, the laminate being formed into a two-layer structure so that the sealant layers face each other, and in which the sealant layers are thermally fused with each other. The sealing portion has a first region and a second region in which the thickness of the sealant layer is smaller than that of the first region. An end face of the second region in the lamination direction has a shape recessed with respect to an end face of the first region in the lamination direction.
Absstract of: WO2025208682A1
The present application discloses a lithium ion battery formation and capacity grading method, comprising the following steps: formation: charging a lithium ion battery until the SOC is greater than or equal to 100%, the charging process at least comprising a first stage, a second stage, a third stage, a fourth stage and a fifth stage, and pressure being applied to two opposite surfaces of the lithium ion battery in each stage, wherein the pressure applied in the first stage is 0.1-0.3 MPa, the pressure applied in the second stage is 0.3-0.5 MPa, the pressure applied in the third stage is 0.8-1.2 MPa, the pressure applied in the fourth stage is 0.3-0.5 MPa, and the pressure applied in the fifth stage is 0.8-1.2 MPa; and capacity grading: fixing the formed lithium ion battery, applying pressure of 50-100 kg onto the two opposite surfaces of the lithium ion battery, and then carrying out capacity grading cycle.
Absstract of: WO2025208842A1
A current collecting disc (300) and a battery (1000). The current collecting disc (300) comprises a body part (309) and at least one power-off protection part (303). The body part (309) comprises a first connection part (301) and a second connection part (302), the first connection part (301) and the second connection part (302) being spaced apart from each other to form an isolation space (308). The power-off protection part (303) is arranged in the isolation space (308), the first connection part (301) and the second connection part (302) being connected to each other by means of the power-off protection part (303). The power-off protection part (303) comprises, successively connected to each other, a first connection section (304) and a second connection section (305), the thickness of the second connection section (305) being less than the thickness of the first connection section (304), and/or the width of the second connection section (305) being less than the width of the first connection section (304).
Absstract of: WO2025208834A1
A battery module (100) and a battery pack. The battery module (100) comprises a mounting frame (110), a battery cell assembly (120) and a connection assembly (130). The battery cell assembly (120) comprises two battery cell groups (121) distributed in a first direction (X) in the mounting frame (110), each battery cell group (121) comprising a plurality of battery cell units (1210) successively distributed in a second direction (Y), each battery cell unit (1210) comprising two battery cells (1211) successively distributed in the second direction (Y), and each battery cell (1211) comprising a first terminal (1212) and a second terminal (1213) distributed in the first direction (X); the first terminals (1212) of two adjacent battery cells (1211) distributed in the first direction (X) are close to each other; the first terminals (1212) of two adjacent battery cells (1211) distributed in the first direction (X) are connected by means of a first connection member (131) of the connection assembly (130); and the second terminals (1213) of the two battery cells (1211) of each battery cell unit (1210) are connected by means of a second connection member (132) of the connection assembly (130).
Absstract of: US2025314708A1
The invention relates to a method for detecting a risk of malfunction through imbalance of a device (1) for storing energy comprising a set of levels (2) electrically connected to one another in series and consisting of electrochemical cells electrically connected to one another in parallel, characterised in that it comprises a step (E2) of determining a first function (f1) characterising a correct operation of at least one level, the first step determining a relation between, on the one hand, a magnitude relative to a quantity of charges circulating in at least one level and, on the other hand, a voltage at the terminals of at least one level, the first function being defined according to a voltage range (P).
Absstract of: US2025314707A1
The present disclosure provides a method and an apparatus for determining life of battery, an electronic device, and a storage medium. The method includes a first linear determination process and a life determination process, performing a charge-discharge cycle on a battery to be tested for a first cycle number; determining differential capacity curves and capacity fade values of the battery to be tested under different preset cycle numbers; and determining, when the differential capacity peaks and the corresponding preset cycle numbers satisfy the first linear relationship, and the capacity fade values and the corresponding preset cycle numbers satisfy the second linear relationship, a cycle number corresponding to a capacity fade threshold of the battery to be tested based on the second linear relationship, determining the cycle number corresponding to the capacity fade threshold of the battery to be tested as a life of the battery to be tested.
Absstract of: US2025314706A1
Thermal run-away monitoring of battery cells during charging is described. Thermal run-away monitoring of a battery cell includes charging the battery cell; measuring concurrently a state of charge of the battery cell, and at least one of voltage and electrolyte consumption while charging the battery cell; recording a set of data for the battery cell, each member of the set of data comprising the state of charge of the battery cell, and at least one of voltage and electrolyte consumption; comparing the set of data for the battery cell to a historical database of measurements from other battery cells characteristic of a type associated with the battery cell; and predicting a probability of thermal run-away of the battery cell based on comparison of set of data for the battery cell to the historical database of measurements from other battery cells characteristic of the type associated with the battery cell.
Absstract of: US2025314700A1
A device and a method for calculating a single-particle electrochemical model are provided. The device comprises electrochemical calculation modules, a communication module, and a data forwarding module. The electrochemical calculation modules calculate internal performance of batteries in an energy storage system based on battery data in the energy storage system, and output calculation results. The communication module is connected to the electrochemical calculation modules, and configured to transmit the battery data in the energy storage system to each of the electrochemical calculation modules and output the calculation results output by the electrochemical calculation modules. The data forwarding module is connected to the communication module, the energy storage system, and a cloud server, and configured to obtain the battery data from the energy storage system, forward the battery data to the communication module, and forward the calculation results. The method reduces battery analysis time and enables precise analysis of battery aging.
Absstract of: US2025316759A1
Disclosed are compounds, electrolytes including the same, and rechargeable lithium batteries including the same. The electrolyte comprises a non-aqueous organic solvent, a lithium salt, and an additive represented by Chemical Formula 1. A detailed description of Chemical Formula 1 is given in this disclosure.
Absstract of: US2025316758A1
A rechargeable lithium battery includes an electrolyte. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive represented by Chemical Formula 1.
Absstract of: US2025316760A1
An electrolyte for a lithium secondary battery according to exemplary embodiments may include an organic solvent, a lithium salt and an additive which includes an alkylene sulfate having 2 to 6 carbon atoms, an alkane sultone having 3 to 6 carbon atoms, and an alkenylene carbonate having 3 to 6 carbon atoms. Accordingly, the lithium secondary battery may suppress an increase in the thickness and resistance under high-temperature environments, and may exhibit improved capacity retention and capacity recovery rates.
Absstract of: US2025316755A1
The invention discloses A preparation method of polyrotaxane polymer electrolyte and its application, and belongs to the technical field of lithium ion batteries. The polyrotaxane polymer is composed of a linear polymer, a cyclic molecule and an end-capping molecule. The polyrotaxane polymer electrolyte is composed of a polyrotaxane polymer, a conductive lithium salt and a porous support material. The polymer electrolyte is simple in preparation process, free of byproducts and excellent in electrochemical performance. The room-temperature ionic conductivity can be greater than 10−3 Scm−1, and the electrochemical window can be greater than 5V (vs.Li+/Li); and the lithium metal battery assembled by the composite material has excellent cycle performance at room temperature. The interfacial compatibility of the polymer electrolyte and the electrode can be obviously improved, so that the electrochemical performance and the safety performance of the battery are improved.
Absstract of: US2025316756A1
A composition comprising a polymer; diethylene glycol diethyl ether; and a compound of formula (I);wherein: M+ is an alkali metal cation; X is Al or B; and R1 in each occurrence is independently a substituent wherein two R1 groups may optionally be linked to form a ring. A gel comprising the composition may be used as an electrolyte in a metal or metal ion battery.
Absstract of: US2025316754A1
A method for producing a sulfide solid electrolyte composite includes: adding fine particles having a BET specific surface area of 5 m2/g or more to a solution containing at least one sulfide solid electrolyte raw material and dispersing the fine particles to obtain a fine particle dispersion liquid; removing a solvent of the fine particle dispersion liquid to obtain a composite powder of the fine particles and the sulfide solid electrolyte raw material; and obtaining the sulfide solid electrolyte composite using the composite powder.
Absstract of: US2025316744A1
A secondary battery manufacturing device according to an embodiment of the present disclosure may include an unwinder configured to supply a wound electrode plate foil and a plurality of slitters configured to cut the electrode plate foil supplied from the unwinder at predetermined intervals to form a plurality of electrode plate foils. The device may further include a plurality of rewinders configured to wind the electrode plate foils discharged from the slitters in one direction, and a first winding device and a second winding device configured to wind the electrode plate foils discharged from the separators and separators and discharge the wound electrode assemblies that include the electrode plate foils and separators. With the device, a process of unwinding and rewinding a previously wound winding material to adjust a direction of an uncoated portion or electrode plate surface is not necessary, and the manufacturing time for a secondary battery may be reduced.
Absstract of: US2025316710A1
A device for coating an electrode tab insulator includes: a top die having an inlet configured to receive an insulator; a bottom die on a lower side of the top die and coupled to the top die; and a shim member having a thickness (t) between the top die and the bottom die and including an outlet connected to the inlet and establishing a passage in which the insulator flows in a width direction of the outlet.
Absstract of: US2025316711A1
A composite current collector and a manufacturing method therefor, a composite electrode sheet and a manufacturing method therefor, and a lithium battery are provided. The composite current collector includes: a substrate layer; a first metal material layer, which is arranged on one side of the substrate layer, and is to be coated with a first active material on the side away from the substrate layer; and a second metal material layer, which is arranged on the side of the substrate layer away from the first metal material layer, and is to be coated with a second active material on the side away from the substrate layer, with the polarity of the second active material being opposite to the polarity of the first active material.
Nº publicación: AU2024240131A1 09/10/2025
Applicant:
NEW TEC INTEGRATION XIAMEN CO LTD
NEW-TEC INTEGRATION (XIAMEN) CO., LTD
Absstract of: AU2024240131A1
A spring unit, a spring module, and a spring cushion. The spring unit (1) comprises: a base (10), wherein the base (10) comprises a first end (10a) and a second end (10b) opposite to the first end (10a) along a length direction of the base, and a plurality of spring modules (11) are provided between the first end (10a) and the second end (10b). The plurality of spring modules (11) are detachably provided on the base (10), and are configured to have an opening at the bottom, so as to be able to be nested on the upper surfaces of spring modules (11) of another spring unit (1). The spring unit (1) can implement quick disassembly and assembly and transportation of the spring cushion, and can reduce the storage space.
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