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1601
results.
Updated on
20/03/2026 [07:15:00]
Results 850 to 875 of 1601
Absstract of: EP4708395A1
The present application relates to a negative electrode active material, a method for manufacturing a negative electrode active material, a negative electrode composition, a negative electrode for a lithium secondary battery including the same, and a lithium secondary battery including a negative electrode.
Absstract of: EP4708372A1
Example embodiments of the present technology provide a battery cell formation device. The apparatus includes: a driving part including a driving plate and driving rods configured to move the driving plate in a first direction; and a support part including a support plate and elastic elements connected to the support plate, in which the support plate is spaced apart from the driving plate in the first direction and includes steps protruding in the first direction.
Absstract of: EP4707242A1
The present disclosure provides a lithium ion battery material and a preparation method therefor and a use thereof. The structural formula of the lithium ion battery material is Li4ZrF8-2XOX, wherein 0
Absstract of: EP4707258A1
Provided in the present disclosure is a composite material, which comprises LiAlPO4(OH)xF1-x and Al(H2PO4)3 compounded on the surface of the LiAlPO4(OH)xF1-x, wherein 0≤x≤1. A corresponding core-shell/glassy solid-state electrolyte material is also prepared in the present disclosure. The composite solid electrolyte has good ionic conductivity, good flexibility, a stable composite structure and thermal stability, such that when being applied to positive electrode coating, the composite solid electrolyte can slow down reduction in the capacity of a positive electrode by a coating layer, effectively remove alkaline residual lithium left on the surface in the preparation process of a positive electrode material, and convert the residual lithium into Li3PO4 favorable for ionic conductivity of the coating layer and AlPO4 capable of protecting the positive electrode. Moreover, Li3AlF6 is more stable to HF, and the good flexibility of a glassy structure thereof is beneficial to effective interfacial contact between the positive electrode and an electrolyte solution of the electrolyte, such that good interfacial ion conduction is achieved.
Absstract of: WO2024229475A1
Systems and methods for managing varying loads that can be applied to a dual cell bank battery include a dual cell bank battery including primary battery cell pack and a protective battery cell pack, wherein the protective battery cell pack at least partially encapsulates the primary battery cell pack. A battery management system determines which battery cell pack (either the primary battery cell pack or the protective battery cell pack) should be enabled to receive the load.
Absstract of: WO2024229420A2
Improved fabrication of solid state ionic conductors is performed with rapid plasma processing. This approach provides much faster throughput than conventional methods that require long sintering times in a fully controlled atmosphere. In one example, an amorphous solid state electrolyte layer for a Li battery is made having a room temperature ionic conductivity above 10 - 6 S/cm. In some embodiments, a gas shroud is used to provide local control of humidity and/or oxygen concentration.
Absstract of: CN121241458A
A battery system for powering a power tool including an electrically driven primary function and an electrically driven secondary function. The main system includes a removable main battery, an auxiliary battery, and a controller that causes the main battery to charge the auxiliary battery.
Absstract of: CN121039173A
The present application relates to a copolymer comprising a repeating unit derived from vinylidene fluoride and a repeating unit derived from a fluorinated monomer M1; the copolymer has a melting temperature Tm defined by the following relational expression: (154.45-1.9472 x)-3 < = Tm (DEG C) < = (154.45-1.9472 x) + 3 wherein x is the weight content of the fluorinated monomer M1, expressed as a percentage based on the total weight of the copolymer; and the melting temperature is measured through DSC according to an ASTM E794-06 standard test method. The invention also relates to application of the composition in various technical fields.
Absstract of: GB2643966A
A lithium ion battery pack (10) comprises: a lithium ion battery cell (20); a housing in which the lithium ion battery cell (20) is built and which is provided with a positive electrode terminal (Pvcc+), a negative electrode terminal (Pvcc-), and communication terminals (Pcl+, Pcl-); a BMS circuit (110) which is built in the housing and which includes a control unit that controls charging and discharging of the lithium ion battery cell (20); a communication IC (40) which causes terminal voltage values of the lithium ion battery cell (20) to output to the outside through the communication terminals (Pcl+, Pcl-) without passing through the BMS circuit (110); a first relay circuit (61) which, upon receiving a first control signal from the control unit of the BMS circuit (110), conducts or cuts off power supply to the lithium ion battery cell (20) through the positive electrode terminal (Pvcc+) and the negative electrode terminal (Pvcc-); an LDO (51) which supplies power to the control unit; and an LDO(52) which supplies power to the communication IC (40) separately from the LDO (51).
Absstract of: EP4708494A2
An energy storage system includes a module unit comprising the plurality of battery modules. The plurality of battery modules each accommodates a plurality of cell units. Each of the plurality of cell units comprise a plurality of battery cells arranged in a first direction and are arranged in a second direction, perpendicular to the first direction. A pipe portion is connected to a fire extinguishing tank storing a fire extinguishing agent and extends into the module unit. The pipe portion includes a main pipe extending from the fire extinguishing tank and a sub-pipe branched from the main pipe. One end of the sub-pipe is connected to a first branch point of the main pipe, and another end of the sub-pipe is connected to a second branch point of the main pipe. The sub-pipe extends to pass through all the plurality of battery modules.
Absstract of: EP4707837A1
Disclosed is a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosis apparatus includes a processor configured to control a stimulation application device to intermittently apply a second electric stimulation greater than a first electric stimulation to a target cell during a state change period, and a communication unit configured to obtain current time series data during the state change period and voltage time series data representing a change history of a full-cell voltage of the target cell during rest periods of the second electric stimulation applied in the state change period. The processor generates a measurement full-cell profile based on the current time series data and the voltage time series data, and analyzes the measurement full-cell profile to estimate a negative electrode loading amount.
Absstract of: EP4707052A1
Embodiments of the present disclosure provide an energy storage charging pile thermal management system and an energy storage charging pile. The system includes: a first liquid cooling loop in which a first cooling pipeline passes through a battery and a heat exchange module, where a first coolant in the first cooling pipeline is an insulating liquid or a non-insulating liquid; and a second liquid cooling loop in which a second cooling pipeline passes through a charging module and the heat exchange module, where a second coolant in the second cooling pipeline is an insulating liquid. The first cooling pipeline and the second cooling pipeline perform heat exchange through the heat exchange module. A charging converter is electrically connected to the battery, and a charging gun is electrically connected to the charging converter through a charging wiring harness. The charging module includes the charging gun and the charging wiring harness, the charging gun being electrically connected to the battery through the charging wiring harness; and the second cooling pipeline is disposed along the charging wiring harness and passes through the charging gun. In this way, in the event of coolant leakage caused by damage to the charging wiring harness, the use of insulating second coolant for cooling can reduce the occurrence of electrical leakage.
Absstract of: EP4708418A1
An apparatus and a method for folding sides of a pouch-type battery and a die for the same are disclosed. The apparatus for folding sides of a pouch-type battery includes a die including a folding formation space including an inlet through which a side of a pouch-type battery enters, an outlet through which the side of the pouch-type battery exits, and a side opening formed on one side of the die to guide the side of the pouch-type battery to pass therethrough, and a transfer unit that transfers the pouch-type battery along a longitudinal direction of the die. A space between the inlet and the outlet of the folding formation space is formed so that the side of the pouch-shaped battery having entered the inlet is gradually folded while moving and finally the outlet has a final folding shape.
Absstract of: EP4709068A1
This application provides a power module and an energy storage system. The power module includes a housing, a connector, an inductor, a cold plate, and an air-liquid heat exchanger. The connector, the air-liquid heat exchanger, the cold plate, and the inductor are sequentially arranged inside the housing along a first direction. The housing includes a front plate and a rear plate. The front plate and the rear plate are oppositely arranged along the first direction. The connector is arranged between the air-liquid heat exchanger and the front plate along the first direction. The connector includes a cold plate inlet, a heat exchanger inlet, a cold plate outlet, and a heat exchanger outlet. Along a second direction, the cold plate inlet and the cold plate outlet are adjacently arranged, and the heat exchanger inlet and the heat exchanger outlet are adjacently arranged. Along a third direction, the heat exchanger inlet and one of the cold plate inlet and the cold plate outlet are adjacently arranged, and the heat exchanger outlet and the other one of the cold plate inlet and the cold plate outlet are adjacently arranged. The third direction, the second direction, and the first direction are perpendicular to each other. The power module in this application has a small size, and has good heat dissipation effect for various heat-generating components, and can reduce heat dissipation costs.
Absstract of: WO2024229230A2
A hybrid electrolyte comprises: (i) a first electrolyte having a first surface and an opposed second surface, wherein the first electrolyte comprises a solid state electrolyte material comprising an oxide, wherein the first surface is an acid-treated surface; and (ii) a second electrolyte comprising a liquid electrolyte, wherein the liquid electrolyte comprises an alkali metal salt and a solvent selected from the group consisting of electron pair donor solvents, and solvent mixtures including at least one electron pair donor solvent and at least one glyme solvent. The oxide can be a doped or undoped LLZO electrolyte material, and the acid can be selected from H3PO4 and HCI.
Absstract of: EP4708437A1
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.
Absstract of: EP4708542A1
The present application relates to the field of battery technologies, and specifically, to a separator for a sodium battery, a secondary battery, and an electric apparatus. The separator for the sodium battery has a first surface and a second surface along its thickness direction, and a porosity of the separator decreases gradually from the first surface to the second surface. The separator with this structure has a certain rigidity, facilitating its ability to resist swelling and deformation of a positive electrode plate and a negative electrode plate to a certain extent, while also having a certain compressibility, effectively ensuring sufficient infiltration of an electrolyte, thereby mitigating the rapid degradation of the cycle life of a battery caused by volume swelling during the use of the sodium battery.
Absstract of: EP4708548A1
The present application provides a battery cell, a battery, and a power consuming apparatus, and belongs to the field of battery technologies. The battery cell includes a shell, an electrode assembly, a first terminal post, and a second terminal post. The shell has a circular wall portion. The electrode assembly is accommodated in the shell. The first terminal post and the second terminal post have opposite polarities. The first terminal post and the second terminal post are spaced apart on the wall portion and are both electrically connected to the electrode assembly. A minimum distance between the first terminal post and a central axis of the wall portion is greater than a minimum distance between the second terminal post and the central axis of the wall portion in a radial direction of the wall portion. The battery cell implements a structure in which the first terminal post surrounds the exterior of the second terminal post in an arc extension direction, so as to facilitate distinguishing and avoid errors in a formation process of the battery cell. The battery cell does not need to be secondarily positioned but a positive probe and a negative probe of a formation device are configured into an annular structure in which an outer ring surrounds an inner ring, thereby facilitating optimization of a cycle time of the battery cell.
Absstract of: EP4708425A1
The manufacturing method of the nonaqueous electrolyte secondary battery is provided, which includes a construction step for constructing a secondary battery whose volume is equal to or more than at least 500 cm<sup>3</sup>, an initial electrically charging step for electrically charging the secondary battery until a SOC becomes 20% to 39%, a high temperature aging step for heating up and holding the secondary battery in a high temperature range, a room temperature aging step for cooling down the secondary battery being in the high temperature range and then holding the secondary battery in a room temperature range, and an inspecting resistance step for calculating an internal resistance of the secondary battery while the secondary battery is maintained in the room temperature range.
Absstract of: EP4708457A1
The present disclosure provides an energy storage system (10). The energy storage system (10) includes: a plurality of battery modules (40) each of which battery module (40) includes a plurality of battery cells (50); a first cooling system (100) that cools a first battery module set (42) among the plurality of battery modules (40); a second cooling system (102) that cools a second battery module set (44) among the plurality of battery modules (40); a central valve (300) that controls a flow of a refrigerant between the first cooling system (100) and the second cooling system (102); and a battery management system (200) that monitors and controls operations of the plurality of battery modules (40), the first cooling system (100), the second cooling system (102), and the central valve (300). The battery management system (200) controls the central valve (300) to control the flow of the refrigerant between the first cooling system (100) and the second cooling system (102) depending on whether an abnormality occurs in the operation of any one of the first cooling system (100) and the second cooling system (102).
Absstract of: EP4708527A1
An energy storage system includes a container having an accommodation space therein, at least one battery rack in the accommodation space inside the container, the at least one battery rack having a plurality of battery modules stacked thereon, an event detection device inside the container, at least one vent on an outer surface of the container, a nitrogen supply device that supplies nitrogen gas into the container, and a control unit electrically connected to the event detection device and the nitrogen supply device, the control unit driving the nitrogen supply device in response to the event detection device detecting an event.
Absstract of: EP4708504A1
The present invention provides a structure of a battery module including: a cell stack wherein a plurality of battery cells are stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame, and also provides a method of manufacturing the same.
Absstract of: EP4708503A1
The present invention provides: a structure of a battery module comprising: a plurality of battery cells stacked in widthwise direction, each of the plurality of battery cells having a pair of electrode leads protruding in upward direction; a frame having an open upper portion and accommodating the cell stack; and a resin having an insulating property and filling at least a portion of a space between the cell stack and the frame; and a method of manufacturing the same.
Absstract of: EP4708489A1
The present application provides a button battery. The button battery comprises: a first substrate, a first annular wall, and a sealing member. The first annular wall is arranged around a periphery of the first substrate and forms an accommodating cavity with the first substrate, and at least a part of the sealing member is located on a side, away from the accommodating cavity, of the first annular wall. A second housing includes a second substrate and a second annular wall. The second substrate is configured to cover and seal the accommodating cavity, and the second annular wall is connected to a periphery of the second substrate.
Nº publicación: EP4708453A2 11/03/2026
Applicant:
TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Absstract of: EP4708453A2
A battery recycling system (1) includes: a discharging device (11) configured to discharge a secondary battery (TG) to be recycled; a primary crushing device (12) configured to crush a case of the secondary battery that has been discharged to cause an electrode material of the secondary battery to be exposed; an electrolytic solution recovery device (13) configured to heat the secondary battery under a reduced-pressure environment to recover an electrolytic solution contained in the electrode material; a secondary crushing device (14) configured to further crush the secondary battery whose electrolytic solution has been recovered; a sorting device (15) configured to sort crushed objects of the secondary battery crushed by the secondary crushing device (14); and an adjustment device (16) configured to adjust an atmosphere in each of the primary crushing device, the electrolytic solution recovery device, the secondary crushing device, and the sorting device to an N2 atmosphere.
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