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1482
resultados
Última actualización
11/09/2025 [07:18:00]
Resultados 525 a 550 de 1482
Resumen de: WO2025180503A1
A dioxaphospholane electrolyte additive, an electrolyte, and a lithium-ion battery. The dioxaphospholane electrolyte additive has high solubility and low cost, and, when added to an electrolyte, can form a stable interfacial film at the positive and negative electrode interfaces of the battery, thereby better protecting the electrodes, reducing the generation of byproducts from the electrolyte at the positive and negative electrodes during cycling, suppressing the increase of positive and negative electrode impedance, enhancing the cycle life of the lithium-ion battery, and inhibiting DCR increase during cycling.
Resumen de: WO2025180140A1
A battery (1000), comprising a metal case (100) and a battery cell assembly (200). The battery cell assembly (200) is accommodated in the metal case (100), and the battery cell assembly (200) comprises a first tab (220) and a battery cell body (230) which are electrically connected to each other. The first tab (220) fits against an inner surface of the metal case (100) and is welded to the metal case (100).
Resumen de: WO2025180216A1
A battery pack and a vehicle comprising same. The battery pack (100) comprises: battery groups (1), wherein each battery group (1) comprises two battery cell groups (11) disposed spaced apart from each other in a third direction, each battery cell group (11) comprises a plurality of battery cells (111) arranged in a second direction, and the second direction is perpendicular to the third direction; and a plurality of acquisition circuit boards (4), wherein each battery cell group (11) corresponds to at least one acquisition circuit board (4), and the corresponding plurality of acquisition circuit boards (4) in a same battery group (1) are respectively located on the sides of two battery cell groups (11) close to each other.
Resumen de: WO2025180459A1
The present application provides a positive electrode material, and a preparation method therefor and a use thereof. The positive electrode material comprises an inner core and a coating layer arranged on at least part of the surface of the inner core; the inner core comprises oxide of LinNixCoyMnzMmO2, and the coating layer comprises an Sr element and an L element, wherein M is selected from at least one of Zr, Y, Al, Mo, Ta, Ti, Mg, and B, 0.9≤n≤1.2, 0.8≤x≤1, 0≤y≤0.2, 0≤z≤0.2, 0≤m≤0.05, and x+y+z=1; L is selected from at least one of Al, Ti, B, Zr, Ce, and W; and the mass ratio of the Sr element to a Ni element in the positive electrode material is a, the mass ratio of the Sr element to the Ni element in the coating layer is b, and b/a≥140. The positive electrode material has excellent capacity and stability.
Resumen de: WO2025179858A1
An electrical device, which comprises a battery, the battery comprising a battery cover assembly. The battery cover plate assembly comprises a riveting ring, a lower gasket, a cover plate, and a pole body. The riveting ring is sleeved within a mounting hole of the cover plate, and a first crimping edge located above the cover plate and a second crimping edge located below the cover plate are respectively formed on two ends of the riveting ring. The lower gasket is arranged between the second crimping edge and the cover plate. An insulating sealing layer is arranged between the cover plate and the lower gasket as well as between the cover plate and the first crimping edge, and a pressing space is formed between the first crimping edge and the second crimping edge. A pole cover plate is arranged at one end of the pole body extending out of the riveting ring, and the pole cover plate is connected to the first crimping edge.
Resumen de: WO2025179748A1
A separator and a preparation method therefor, and a lithium-ion battery. The separator comprises the following raw material components: polyimide, pentafluorocyclotriphosphazene and a fluorophosphite. Based on the total mass of the polyimide, the pentafluorocyclotriphosphazene and the fluorophosphite, the mass fraction of the polyimide is greater than or equal to 70%; the mass fraction of the pentafluorocyclotriphosphazene is 5-15%; and the mass fraction of the fluorophosphite is 10-15%.
Resumen de: WO2025179681A1
A conveying logistics line and a method, and a logistics control method for pallets, the conveying logistics line comprising an empty pallet conveying line (5), a first full pallet conveying line (3), a second full pallet conveying line (4), a converging conveying line (63), a workpiece pickup station (7), and an electrical control module. The electrical control module is communicatively connected to the empty pallet conveying line (5) and is configured for controlling, according to information on the real-time number of full pallets (9) on the first full pallet conveying line (3) and on the second full pallet conveying line (4), the number of empty pallets (8) to be conveyed by the empty pallet conveying line (5) to each first workpiece manufacturing machine (1) and each second workpiece manufacturing machine (2), so as to achieve a stable conveying state during a set operating time of the conveying logistics line, wherein the stable conveying state comprises the real-time number of full pallets (9) on the first full pallet conveying line (3) and the real-time number of full pallets (9) on the second full pallet conveying line (4) being within a first set range and a second set range, respectively.
Resumen de: WO2025179591A1
A battery, an electric device, and an energy storage device. The battery comprises: at least one battery cell (10), wherein each battery cell (10) has a pole (101) on a first surface (103) on one side in a first direction (X); an accommodating case (11), wherein an accommodating cavity is provided in the accommodating case (11), and each battery cell (10) is accommodated in the accommodating cavity; and a heat exchange assembly (14) provided on the first surface (103) of the battery cell (10) and used for exchanging heat with each battery cell (10), wherein the projection of the pole (101) along the first direction (X) within the first surface (103) does not overlap the projection of the heat exchange assembly (14) along the first direction (X) within the first surface (103).
Resumen de: WO2025182466A1
The present invention provides a battery deterioration determination support device which is small in size, low in power consumption, and capable of greatly shortening a measurement time. This method supports a deterioration determination by using an electronic circuit to acquire an internal characteristic of an electrical energy supply medium. The method includes: acquiring the internal characteristics of a battery in advance; selecting two or more frequencies required to determine that the battery is satisfactory or unsatisfactory; storing the selected frequencies; performing discharge control based on the selected frequencies; acquiring voltage data and current data by using voltage measurement means and current measurement means; calculating correction voltage data by performing correction processing on the voltage data; calculating resistance data from the correction voltage data and the current data; calculating at least a portion of Cole-Cole plot data from the resistance data; and performing fitting processing by using at least a portion of the Cole-Cole plot data as necessary.
Resumen de: WO2025182605A1
The present invention makes it possible to ascertain the charging rate of an electric vehicle in accordance with the actual situation. When a vehicle (10) is started, a voltage-estimated SOC value is obtained by estimating the charging rate using the voltage of a large-scale battery (12), and after traveling begins, a change in the charging rate is estimated on the basis of inputs and outputs of current to and from the large-scale battery (12) to obtain a current-integrated SOC calculated value that has changed from the voltage-estimated SOC value, the advisability of reacquisition is determined on the basis of at least one of a continuous traveling history, a charge/discharge history, and a temperature history, and the charging rate is estimated using the voltage of the large-scale battery (12) even if the vehicle (10) is in the P range and reacquisition is permitted, and if the inputs and outputs of current to and from the large-scale battery (12) are less than a first predetermined value.
Resumen de: WO2025183409A1
The present invention relates to a method for preparing a positive electrode active material, a positive electrode active material prepared using same, and a lithium secondary battery comprising same and, more specifically, to a method for preparing a positive electrode active material, the method comprising: forming a lithium nickel-based composite oxide; and coating the lithium nickel-based composite oxide. Forming the lithium nickel-based composite oxide comprises: forming a first aqueous solution comprising an aluminum compound and a basic compound; forming a mixture including the lithium nickel-based composite oxide and the first aqueous solution; adding a second aqueous solution including a cobalt compound to the mixture; and drying and heat-treating the mixture.
Resumen de: WO2025180246A1
A positive electrode material, a preparation method therefor and a use thereof. The positive electrode material comprises a core and a first shell layer, a lattice in a near-surface region of the core having a layered structure is doped with at least one of Co, Ti and Zr, and the first shell layer comprises a material capable of improving the ionic conductivity of the positive electrode material, or a material capable of improving ionic conductivity and electronic conductivity.
Resumen de: WO2025180428A1
A negative electrode sheet (10), a battery cell and an electrical device. The electrical device comprises the battery cell. The battery cell comprises the negative electrode sheet (10). The negative electrode sheet (10) comprises a first area (11) and a second area (12), the second area (12) surrounds the first area (11), and the surface density of the active material of at least part of the second area (12) is less than that of the active material of the first area (11), thereby reducing the probability of lithium precipitation at the edge of the electrode sheet.
Resumen de: WO2025180446A1
The present application belongs to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a plurality of battery cells, a wire harness board and a heat exchange assembly, wherein the wire harness board is electrically connected to all the battery cells, the heat exchange assembly comprises a heat exchange shell and an inverse piezoelectric element, the heat exchange shell is in thermally conductive connection with at least some of the battery cells and has an air inlet, an airflow channel and an air outlet which are in communication in sequence, and the inverse piezoelectric element is arranged in the airflow channel and electrically connected to the wire harness board, and is configured to generate vibration under a voltage applied by the battery cells, so as to drive an external airflow to enter the airflow channel from the air inlet and to be exhausted from the air outlet. In the battery provided in the present application, an airflow is driven by an inverse piezoelectric element to circulate in an airflow channel, thereby adjusting the temperature of battery cells. An airflow is used as a heat exchange medium for the battery provided in the present application, so that leakage of a liquid medium is avoided, thereby achieving relatively good safety performance.
Resumen de: WO2025180167A1
The present application relates to a formation nail, a battery, and a gripper. The formation nail is configured to seal an electrolyte injection hole of a battery, comprising a sealing head and a gripping head, wherein the sealing head is configured to be inserted into the electrolyte injection hole of the battery for interference fit with the electrolyte injection hole to seal the electrolyte injection hole; and the gripping head is connected to one end of the sealing head and has a gripping portion configured to be gripped by a gripper, the outer wall of the gripping portion being provided with a plurality of grooves that are arranged at intervals, which can increase the friction between the gripping portion and the gripper. The formation nail can be reused.
Resumen de: WO2025180222A1
An energy storage power supply (100), comprising a housing (10), an inverter (20), a first heat sink (30), and a hydrogel layer (40). The housing (10) is provided with an opening (11); the inverter (20) is arranged in the housing (10); the first heat sink (30) is thermally coupled to the inverter (20); and the hydrogel layer (40) is thermally coupled to the first heat sink (30) and seals the opening (11).
Resumen de: WO2025182451A1
Provided are a solid electrolyte (19) capable of reducing interface resistance, an ion conductor (10), a sheet (15), an electrode (12), a separator (25), and a power storage device (11). The solid electrolyte has a garnet-type crystal structure containing Li, La, Zr, and O. In X-ray photoelectron spectroscopy, a second intensity is greater than a first intensity, and a fourth intensity is less than a third intensity, where the first intensity is the area intensity of a first peak corresponding to a Li-O bond in an O1s spectrum detected via irradiation with monochromatized AlKα rays, the second intensity is the area intensity of a peak present at a position where the binding energy is greater than the binding energy of the first peak, the third intensity is the area intensity of a third peak corresponding to the Li-O bond in the O1s spectrum detected via irradiation with monochromatized CrKα rays, and the fourth intensity is the area intensity of a peak present at a position where the binding energy is greater than the binding energy of the third peak.
Resumen de: WO2025183423A1
Provided is a battery device comprising: a plurality of pack housings including a first pack housing and a second pack housing, each of which accommodates a cell assembly including a plurality of battery cells, and which are stacked in one direction; and an upper cover which covers the upper portion of the pack housing disposed at the uppermost end among the plurality of pack housings, wherein: each of the first pack housing and the second pack housing comprises: a lower frame in which the cell assembly is seated; and a plurality of side frames connected to the lower frame to protect the side surface of the cell assembly; at least one of the plurality of side frames comprises: a body part disposed to face the side surface of the cell assembly; and a first upper flange and a first lower flange disposed at both ends of the body part in the height direction; and the first lower flange of the first pack housing and the first upper flange of the second pack housing are coupled to each other with the lower frame of the first pack housing therebetween.
Resumen de: WO2025183415A1
The present invention relates to an apparatus for manufacturing an electrode assembly and a method for manufacturing an electrode assembly. According to one embodiment of the present invention, a method for manufacturing an electrode assembly may be provided, in which a lamination step of manufacturing unit cells through a lamination unit and a stacking step of manufacturing an electrode assembly by sequentially stacking the unit cells through stacking equipment are sequentially and continuously performed, wherein, a buffer input step of inputting the unit cells manufactured in the lamination step into a buffer magazine is performed in order to continue manufacturing the unit cells when the stacking equipment is stopped, or a buffer release step of providing the unit cells stored in the buffer magazine to the stacking equipment is performed in order to continue manufacturing the electrode assembly when the lamination unit is stopped.
Resumen de: WO2025183402A1
The present invention relates to a bipolar electrode comprising: a current collector including a polymer film and a conductive layer added to at least a portion of the outer surface and inner surface of the polymer film; a positive electrode formed on a first surface of the current collector; and a negative electrode formed on a second surface of the current collector, wherein, by heat-fusing the current collector composed of the polymer film to implement a sealed form, the movement of electrolyte between the electrodes may be prevented.
Resumen de: WO2025180165A1
An electric device comprises a battery. The battery comprises a negative electrode sheet. The negative electrode sheet comprises a negative electrode current collector, and a negative electrode active material layer arranged on at least one side surface of the negative electrode current collector. The negative electrode active material layer comprises a silicon-carbon composite material and a titanium-phosphorus compound. The titanium-phosphorus compound comprises a titanium element and a phosphorus element. The energy density of the battery can be increased, thereby improving the cycle performance of the battery.
Resumen de: WO2025180337A1
An electric device. The electric device comprises a battery cell or a battery pack. The battery cell comprises a cover plate assembly, an insulating ring and a monitoring module. The insulating ring is disposed on the side of the cover plate assembly facing the interior of the battery cell. The monitoring module is fixed to the cover plate assembly or the insulating ring.
Resumen de: WO2025180273A1
An electric device, comprising an energy storage device. The energy storage device comprises a battery. The battery comprises a spacer, which is provided with a chip fixing region used for fixing a chip and a tab slot used for allowing a tab to pass through same, wherein the chip fixing region is spaced apart from the tab slot.
Resumen de: WO2025180290A1
A battery cell (100), a battery pack (1000), and an electric device (10000). The battery cell comprises a casing (10), cover plate assemblies (20), an electrode core (30), and a monitoring module (20). The cover plate assemblies are disposed in the casing and match the casing to form an inner cavity, the electrode core and the monitoring module are both disposed in the inner cavity, and the monitoring module is electrically connected to the electrode core.
Nº publicación: WO2025180292A1 04/09/2025
Solicitante:
ZHEJIANG GEELY HOLDING GROUP CO LTD [CN]
GEELY AUTOMOBILE RES INSTITUTE NINGBO CO LTD [CN]
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\u5409\u5229\u6C7D\u8F66\u7814\u7A76\u9662\uFF08\u5B81\u6CE2\uFF09\u6709\u9650\u516C\u53F8
Resumen de: WO2025180292A1
Disclosed in the present invention are a direct cooling plate for a battery pack, and the battery pack. The direct cooling plate (100) comprises: a direct cooling plate body, wherein the direct cooling plate body is provided with a first flow channel (12) and a second flow channel (13) which are both in communication with an inlet, the first flow channel (12) being adapted for heat exchange with batteries; and the direct cooling plate body is further provided with a third flow channel (14) in communication with an outlet, the third flow channel (14) being in communication with both the first flow channel (12) and the second flow channel (13) to enable mixing of heat exchange media flowing through the first flow channel (12) and the second flow channel (13).
BOPI
Sede Electrónica
