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847
resultados
Última actualización
15/07/2026 [08:03:00]
Resultados 275 a 300 de 847
Resumen de: WO2026144043A1
The present application provides a secondary battery and an electric device. The secondary battery satisfies the following relationship: 0.3≤A/100×(N+100P)≤25, wherein Appm represents the mass content of Al in the positive electrode active material; P% represents the mass percentage content of a pyridine additive in the electrolyte; and N% represents the mass percentage content of a nitrile additive in the electrolyte. In the present application, by correlating and defining the relationship between the key additive in the electrolyte and the content of Al in the positive electrode active material, the complexing action between the nitrile additive and pyridine additive in the electrolyte and the positive electrode active material can be effectively enhanced, which can improve the film-forming stability of a battery during charging, thereby significantly enhancing the high-temperature stability of the battery.
Resumen de: WO2026144998A1
Disclosed in the present application are a secondary battery, a battery pack and an electric device. The secondary battery has a first direction and comprises a case, an electrode assembly and a top cover assembly, wherein the top cover assembly comprises a top cover plate and a lower insulating member, the top cover plate having a first liquid injection hole, and the lower insulating member being disposed on the side of the top cover plate facing the electrode assembly. The lower insulating member comprises a body, a side plate and a barrier plate, wherein the body is connected to the top cover plate, and the body is provided with a second liquid injection hole in communication with the first liquid injection hole; the side plate is connected to the side of the body away from the top cover plate, and is located on the outer peripheral side of the second liquid injection hole; the barrier plate is connected to the side of the side plate away from the body, and the barrier plate is arranged opposite the second liquid injection hole; the side plate has a liquid outlet in communication with the second liquid injection hole; in the first direction, the end of the side plate close to the body is inclined in a direction away from the axis of the second liquid injection hole; and the projection area, on the body, of the side of the barrier plate facing the first liquid injection hole is S1, the opening area of the first liquid injection hole is S2, and the projection area and the op
Resumen de: WO2026144570A1
The present application discloses a battery cell and a battery pack. The battery cell comprises: a casing, wherein the casing is internally provided with an accommodating cavity and has an opening on one side in the height direction; a first cover plate covering the opening; a second cover plate provided on the casing and located on the side of the casing away from the opening, wherein a pressure relief hole passing through the second cover plate in the height direction is formed on the second cover plate, the second cover plate is provided with a protruding portion surrounding the pressure relief hole, and the protruding portion protrudes towards the opening relative to the second cover plate; an explosion-proof valve hermetically mounted in the pressure relief hole; and an insulating spacer arranged in the accommodating cavity and located between the first cover plate and the second cover plate, wherein the insulating spacer is provided with an air guide groove and a clearance hole both passing through the insulating spacer in the height direction, the clearance hole and the pressure relief hole are arranged opposite to each other in the height direction, the protruding portion passes through the clearance hole and is in clearance fit with the clearance hole, and an effective gas channel is formed from the air guide groove, the clearance hole to the pressure relief hole, thereby ensuring that high-temperature gas generated during thermal runaway is smoothly discharged.
Resumen de: US20260194598A1
According to one embodiment, an information processing device according to the present embodiment includes a processing circuitry that calculates target transition data representing a transition of a value of an index regarding a state of a target storage battery based on measurement data regarding the target storage battery, and estimates a timing at which a target event occurs in the target storage battery based on the target transition data and at least one piece of reference transition data representing a reference transition of the value of the index regarding a state of a storage battery in a period from a first time to a second time at which the target event occurs in the storage battery.
Resumen de: WO2026147172A1
The present invention relates to an alkyl propionate solution of lithium bis(fluorosulfonyl)imide (LiFSI) and, specifically, to a storage-stabilizing composition for LiFSI, the composition comprising at least one solvent selected from the group consisting of 100 ppm by weight or less of moisture, LiFSI, and alkyl propionate. The composition of the present invention has the effect of enhancing the stability of LiFSI by suppressing moisture absorption during the storage and distribution of LiFSI. The alkyl propionate solvent included in the composition of the present invention can be used as an electrolyte for a secondary battery, and thus the composition can be directly added in the preparation of an electrolyte without risk of moisture absorption during the electrolyte preparation process.
Resumen de: AU2024432804A1
A battery mounting structure and a vehicle. The battery mounting structure comprises a mounting assembly, a battery cell assembly and two sill beams. The mounting assembly encloses a mounting cavity with openings at two ends, and the battery cell assembly is arranged in the mounting cavity. The two sill beams are arranged opposite each other and connected to the mounting assembly. Each sill beam corresponds to one opening, and each sill beam covers the corresponding opening.
Resumen de: US20260196850A1
There is provided a power storage system including: a DC bus; a plurality of batteries which are connected to the DC bus, and which are connected to each other in parallel; a plurality of diagnosis units each of which is provided for each of the plurality of batteries and measures a degradation state of a battery that is included in the plurality of batteries, by causing the battery to be discharged at a constant current or constant power; and a power conditioner which is connected to the DC bus, and which performs conversion between DC power and AC power, in which at least a part of power discharged from a battery under test among the plurality of batteries, the degradation state of which is being measured by the diagnosis unit, is charged into another at least one battery among the plurality of batteries, or is supplied to the power conditioner.
Resumen de: WO2026144545A1
The present application discloses a secondary battery and an electric device. In the present application, a first positive electrode active material layer and a second positive electrode active material layer are sequentially provided on at least one surface of a positive electrode current collector; and a first additive (Lix1Fe1-y1M1y1Cl4-z1Sez1) and a second additive (Lix2Fe1-y2M2y2Cl4-z2Sez2) are respectively added in the first positive electrode active material layer and the second positive electrode active material layer. By controlling the ranges of y1, z1, y2, and z2 in the first additive and the second additive, the first positive electrode active material layer close to the positive electrode current collector has higher electronic conductivity, and the second positive electrode active material layer distant from the positive electrode current collector has higher ionic conductivity, which facilitates transport of electrons and ions, and effectively improves the rate performance and cycle performance of the secondary battery.
Resumen de: WO2026144756A1
The present application relates to the technical field of secondary batteries, and in particular relates to a silicon-based electrode active material, an electrode composite active material, a preparation method and the use. The silicon-based electrode active material comprises silicon-based particles, a bonding layer and an electrically conductive substance, wherein the conductivity of the electrically conductive substance is larger than that of the silicon-based particles, and the electrically conductive substance is attached to the silicon-based particles by means of the bonding layer and can be kept attached to the silicon-based particles during the expansion and shrinkage process of the silicon-based particles.
Resumen de: WO2026145479A1
A vehicle (100)-based battery thermal management method, a vehicle (100), an electronic device (1000), and a storage medium. The method comprises: step 101: acquiring a current battery temperature of a target vehicle; step 102: acquiring navigation information of a remaining route of the target vehicle; step 103, on the basis of the navigation information, respectively calculating the battery heat generation amount corresponding to each road segment after the target vehicle passes through each road segment; step 104: on the basis of the battery temperature and the battery heat generation amount corresponding to each road segment, calculating an actual battery temperature after the target vehicle passes through each road segment; and step 105: performing thermal management on a battery of the target vehicle on the basis of the actual battery temperature. The method can predict the temperature information of the battery during the remaining route of the vehicle (100), thereby avoiding unnecessary battery heating or cooling, and reducing the energy consumption of the vehicle (100).
Resumen de: WO2026145176A1
Disclosed in the present application are a secondary battery, a battery pack and an electric device. The secondary battery comprises a case, an electrode assembly and a top cover assembly, wherein the case has an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the top cover assembly comprises a top cover plate and a lower insulating member; the top cover plate is connected to the case and covers and seals the accommodating cavity, and the top cover plate has a first liquid injection hole; the lower insulating member is connected to the side of the top cover plate facing the electrode assembly, and the lower insulating member comprises a body, a side plate and a barrier plate; the body is connected to the top cover plate, and the body is provided with a second liquid injection hole in communication with the first liquid injection hole; the side plate is connected to the side of the body away from the top cover plate; the barrier plate is connected to the side plate and is spaced between the second liquid injection hole and the electrode assembly; the side plate has a liquid outlet, and the liquid outlet is in communication with the second liquid injection hole; and the overflow area of the liquid outlet is S1, the outer surface area of the side plate is S2, and the overflow area and the outer surface area satisfy 0.06≤S1/S2≤2. The present application can prevent a separator from folding over and improve the electrolyte injection effici
Resumen de: WO2026145347A1
The embodiments of the present application relate to the technical field of batteries. Specifically disclosed are a battery cell and a battery pack. The battery cell comprises: a casing provided with an accommodating cavity; an electrode assembly arranged in the accommodating cavity; a top cover connected to one side of the casing in a first direction and covering and sealing the accommodating cavity, wherein the top cover is provided with a liquid injection hole; and an insulating member, the insulating member comprising an insulating main body and a plurality of insulating main body blocking portions, wherein the insulating main body is connected to the side of the top cover that is close to the electrode assembly, the insulating main body is provided with a through hole, the through hole has a hole wall, the through hole is in communication with the liquid injection hole, the plurality of blocking portions are all connected to the hole wall, and in a radial direction, the blocking portions extend along the hole wall in a direction towards the center of the through hole. According to the present application, a short circuit of the battery cell caused by a tab of the electrode assembly extending into the through hole and coming into contact with the top cover is avoided, thereby reducing the risk of a short circuit between the electrode assembly and the top cover, and ensuring the safety performance of the battery cell.
Resumen de: WO2026144195A1
The present application relates to a connection structure for a battery and a circuit board, comprising a control circuit board and a battery, the battery being electrically connected to the control circuit board. A positive electrode conductive portion and a negative electrode conductive portion are provided on a board surface on one side of the control circuit board; a conductive spring extending vertically upwards is connected to the negative electrode conductive portion, the conductive spring comprising a connection end, a spring end, and a vertical rod located between the connection end and the spring end, and the connection end being connected to the negative electrode conductive portion; a positive electrode of the battery abuts against the positive electrode conductive portion, and a negative electrode of the battery abuts against the spring end; the battery is vertically arranged between the positive electrode conductive portion and the spring end. In the present application, by providing the conductive spring extending vertically upwards, the conductive positive electrode and the conductive negative electrode of the control circuit board are arranged at the same end; using the same-end battery arrangement mode can reduce the occupation of an internal structure, eliminates cumbersome wire connection, and reduces the overall volume; in addition, when a battery is mounted, it is easier to distinguish a positive electrode and a negative electrode, thereby facilitating t
Resumen de: WO2026145707A1
The present application discloses a battery, an electric device, a filler structure, and a preparation method for a filler structure. The battery comprises a case, and further comprises the filler structure. The filler structure is arranged in at least one of a space between the case and an electrode core, and the interior of the electrode core; and the filler structure comprises a skeleton matrix and an adaptive material arranged on the skeleton matrix, the skeleton matrix supports the adaptive material, and the adaptive material can expand upon absorbing an electrolyte solution so as to generate a constraint force on the electrode core.
Resumen de: WO2026145344A1
The present application provides a composite lithium replenishing agent and a preparation method therefor, a positive electrode sheet, a lithium-ion battery, and an electric device. The composite lithium replenishing agent comprises a lithium replenishing agent core and a carbon coating layer coated on the outer side of the lithium replenishing agent core, wherein the carbon coating layer is doped with a nitrogen element, the nitrogen element comprises a pyridinic nitrogen element, and the content of the pyridinic nitrogen element accounts for 50% or more of the content of the nitrogen element.
Resumen de: WO2026145779A1
Disclosed in the present application are a graphite material and a preparation method therefor, a negative electrode sheet, a battery, and an electric device. The graphite material comprises a graphite core and a coating layer, wherein the graphite core is filled with a filler.
Resumen de: WO2026144948A1
The present present application provides a battery apparatus, a battery cabinet, and an energy storage system. The battery apparatus (100) comprises at least two battery cell units (210), wherein each battery cell unit (210) comprises a single battery cell (211); and support members (131), wherein the support members (131) are fixedly connected to the battery cell units (210), and the respective support members (131) corresponding to two adjacent battery cell units (210) abut against each other to achieve stacking of said battery cell units (210).
Resumen de: WO2026143920A1
A battery case, a battery pack and a vehicle. The battery case comprises a cold plate (60), a battery frame (10), and a cold plate sealant (70), wherein the battery frame (10) is located on one side of the cold plate (60) and is arranged around the periphery of the cold plate (60). At least one of the cold plate (60) and the battery frame (10) is provided with a sealing groove (1121). Sealing grooves (1121) are formed on the sides of the cold plate (60) and the battery frame (10) that are close to each other. The cold plate sealant (70) is located in the sealing groove (1121). In the direction perpendicular to the extension direction of the sealing groove (1121), the sealing groove (1121) has a first groove edge (1122) and a second groove edge (1123) which are arranged opposite each other. The first groove edge (1122) and the second groove edge (1123) are both located on one side of the groove bottom of the sealing groove (1121).
Resumen de: WO2026144971A1
Provided in the present application are a negative electrode current collector and a preparation method therefor, a secondary battery and an electric device. The negative electrode current collector comprises a base material layer, a composite layer and a current collector layer, wherein the composite layer is arranged on at least one side of two opposite sides of the base material layer, and the composite layer comprises a metal bonding layer, an electrically conductive layer, a first protective layer and a second protective layer, which are stacked in sequence. The metal bonding layer is adjacent to the base material layer, the current collector layer is arranged on the second protective layer, and the thickness of the current collector layer is greater than that of the composite layer. The electrically conductive layer comprises copper, and the first protective layer comprises a metal material. The thickness of the second protective layer is less than or equal to that of the first protective layer, and the second protective layer comprises a metal or non-metal material having reducibility lower than that of the first protective layer. The negative electrode current collector provided in the present application has fewer defect points and improved performance.
Resumen de: WO2026145532A1
A battery. The battery comprises a negative electrode sheet, which comprises a silicon-based material, wherein the degree of sphericity of the silicon-based material is 0.66-0.99. The ratio S/H of the area S of a first surface of the battery to the thickness H of the battery is 800-3000, the unit of the area S of the first surface is mm2, the unit of the thickness H of the battery is mm, the first surface is a surface having the maximum area among six surfaces of the battery, and the thickness H of the battery is less than or equal to 3.5 mm. The battery can achieve a smaller thickness, a higher energy density, a lower thickness expansion rate and a higher cycle stability.
Resumen de: WO2026144899A1
The present application discloses a secondary battery, a battery pack, and an electric device. The secondary battery has a first direction and a second direction intersecting each other, and comprises a case, an electrode assembly and a top cover assembly, wherein the case has an accommodating cavity; the electrode assembly is arranged in the accommodating cavity; the top cover assembly comprises a top cover sheet, a lower insulating member and electrode terminals; the top cover sheet is connected to the case, and the top cover sheet is provided with a first liquid injection hole; the lower insulating member is connected to the side of the top cover sheet facing the electrode assembly; the electrode terminals pass through the top cover sheet and the lower insulating member; the lower insulating member comprises a body and a flow-disturbing portion; the body is provided with a second liquid injection hole in communication with the first liquid injection hole; the flow-disturbing portion is connected to the side of the body away from the top cover sheet, the flow-disturbing portion is spaced apart from the electrode terminals, the side of the flow-disturbing portion facing one electrode terminal is provided with a liquid outlet, and the liquid outlet is in communication with the second liquid injection hole; and in the second direction, the minimum distance between the liquid outlet and the electrode terminal is L1, the size of the top cover sheet is L2, and it is satisfied: 0.
Resumen de: WO2026144821A1
Disclosed in the present application are a battery cell sampling assembly, an integrated busbar, and a battery pack. The battery cell sampling assembly comprises a flexible printed circuit, and a temperature collection module and a voltage collection module that are integrated on the flexible printed circuit. The flexible printed circuit comprises a series circuit and an antenna module, wherein the series circuit is electrically connected to the temperature collection module and the voltage collection module; and the antenna module is spaced apart from the series circuit, is in communication connection with the temperature collection module and the voltage collection module, and is configured to transmit sampling signals. That is, in the present application, the temperature collection module, the voltage collection module, and the antenna module are integrally mounted on the flexible printed circuit, so that integration is achieved, and the number of components and the complexity of circuits can be reduced, thereby reducing material costs and assembly costs, and also helping reduce space occupation, and further reducing overall costs.
Resumen de: WO2026145947A1
The present application discloses an on-board charger housing, an on-board charger, and a new energy vehicle. The on-board charger housing includes a body (100), a fluid channel (210, 220), and an encapsulation assembly (300). The fluid channel (210, 220) is formed on the body (100) and includes a first channel (210) and a second channel (220) that are communicated with each other. The first channel (210) is of a rotary structure and is disposed at a middle location along a height direction of the body (100). One end of the second channel (220) is communicated with the first channel (210), and the other end of the second channel (220) is communicated with an external environment of the body (100). The encapsulation assembly (300) is disposed in the second channel (220), and a distance between the end of the encapsulation assembly (300) facing the first channel and the first channel (210) is less than a preset threshold. In a scheme of the present application, by disposing the encapsulation assembly (300) as including a first encapsulation member (310) and a sealing member (320), firstly the sealing member (310) is sleeved on the first encapsulation member (310), then the first encapsulation member (310) is inserted into the second channel (220), and the sealing member (320) is compressed with the first encapsulation member (310) and the second channel (220) to achieve sealing and prevent leakage.
Resumen de: WO2026145836A1
Provided are a housing assembly, a power storage apparatus, and an electric device. The housing assembly comprises a housing and an electrical connector that are fixedly connected to each other. The electrical connector comprises a first portion, a second portion, and a third portion that are sequentially arranged in the length direction thereof. At least part of the first portion is located in an external space of the housing, and at least part of the third portion is located in an internal space of the housing. A wall of the housing is provided with a channel extending from the internal space to the external space. The second portion is embedded within the channel, and an inner surface of the channel covers an outer surface of the second portion. A bonding body is disposed between the outer surface of the second portion and the inner surface of the channel; the bonding body is bonded to the outer surface of the second portion and the inner surface of the channel. The bonding body bonded to the outer surface of the second portion and the inner surface of the channel utilizes its own elastic deformation to compensate for a difference in degree of deformation between the electrical connector and the housing, preventing the formation of micro gaps, and thereby preventing the formation of leakage paths, improving the sealing performance of the power storage apparatus.
Nº publicación: US20260196503A1 09/07/2026
Solicitante:
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US20260196503A1
0000 A positive electrode active material includes a primary particle, wherein the primary particle contains an olivine-type phosphate compound, the primary particle has a cross-section in at least part of which a streak structure is provided, the streak structure includes a first region and a second region, the second region contains an ion conductor containing phosphorus at a higher concentration as compared to the first region, the second region extends in a streaky manner, and the first region is divided into two or more by the second region.
BOPI
Sede Electrónica
