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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 925 a 950 de 1168
Resumen de: US20260331929A1
One aspect of the present disclosure provides a battery pack including a battery module and a control circuit. The control circuit is configured to transmit first communication data to a charger via serial communication. The first communication data includes a logical value of true at each of a first designated bit position and a second designated bit position such that the charger identifies that the battery pack is compatible with each of a first charge control, a second charge control, and a third charge control.
Resumen de: US20260328699A1
0000 The present disclosure relates to an electrode sheet inspection system, including: a carrier that carries an electrode sheet having an insulating coating portion; a measurer that measures the insulating coating portion of the electrode sheet; and a controller that analyzes an image carried from the measurer, wherein the measurer comprises: first and second lighters provided on the upper side of the electrode sheet and irradiating light onto the electrode sheet; a third lighter provided adjacent to a side of the electrode sheet and irradiating light onto the electrode sheet; and an imager provided on the upper side of the electrode sheet and imaging the electrode sheet and transmitting the image to the controller.
Resumen de: US20260326405A1
A carrying hand includes: a gripping plate made of a flat plate-like member; and gripping claws made of two or more rod members arranged parallel to each other along a plate surface of the gripping plate, wherein the carrying hand is transformable between a gripping mode in which the gripping claws are positioned in a space above the plate surface of the gripping plate and grip a stacked assembly having a positive electrode sheet, a negative electrode sheet, and a separator used for a secondary battery stacked on each other, and a retraction mode in which the gripping claws are retracted from the space above the plate surface of the gripping plate.
Resumen de: WO2026218382A1
A full-width measurement device, comprising: a frame (10), a measurement unit (20), and a calibration unit (30). The measurement unit (20) comprises a plurality of first measurement modules (21), the first measurement modules (21) are all mounted on the frame (10), and there is a spacing between every two adjacent first measurement modules (20) in the transverse direction. Each first radiation detection assembly (212) has a first detection region, and first detection regions can be combined in the transverse direction to form a continuous measurement range. The calibration unit (30) comprises guide assemblies (31), a second measurement module (32), a calibration assembly (33), and a driving assembly (34). The guide assemblies (31) and the calibration assembly (33) are both mounted on the frame (10). The second measurement module (32) is mounted on the guide assemblies (31) and movable along the guide assemblies (31). The calibration assembly (31) is located within a movement stroke of the second measurement module (32). The driving assembly (34) is used for driving the second measurement module (32) to move.
Resumen de: US20260331586A1
0000 Electrolyte compositions include: at least one electrolyte salt of a metal selected from the group consisting of an alkali metal, an alkaline earth metal, zinc, aluminum, and any combination thereof; and a solvent mixture configured to solubilize the at least one electrolyte salt. The solvent mixture includes: (A) a cyclic sulfone and a partially fluorinated sulfonamide; (B) a cyclic sulfone, a partially fluorinated sulfonamide, and about 10 weight percent (wt. %) or less of an ether selected from the group consisting of a cyclic ether, a glyme, and any combination thereof, based on a total weight of the cyclic sulfone, the partially fluorinated sulfonamide, and the ether; or (C) a partially fluorinated sulfonamide and up to about 50 wt. % of an ether selected from the group consisting of a cyclic ether, a glyme, and any combination thereof, based on a total weight of the partially fluorinated sulfonamide and the ether.
Resumen de: AU2024433344A1
The present application discloses a positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises a layered transition metal oxide, and the layered transition metal oxide comprises a first phase. In an X-ray diffraction pattern obtained using CuKα radiation as a radiation source, the positive electrode active material exhibits a primary peak and a secondary peak within a 2θ angle range of 15° to 18°, the primary peak corresponds to the first phase, and the ratio of the peak intensity of the primary peak to that of the secondary peak is greater than or equal to 9; and the Dv50 particle size of the positive electrode active material is greater than or equal to 30 μm.
Resumen de: AU2025231989A1
An electric ship using a battery as a power source is disclosed. The electric ship capable of fire prevention and suppression, according to the present invention, comprises: a hull left part; a hull right part disposed to be spaced apart from the hull left part; a hull bottom part for connecting the lower portions of the hull left part and the hull right part to each other; and a battery pack mounted inside the electric ship, wherein the battery pack is cooled by means of the water flowing in from the outside of the electric ship.
Resumen de: WO2026218723A1
A battery cell, a battery device, and an electric device, relating to the technical field of batteries. The battery cell comprises: a casing, pole components, and electrode assemblies; each pole component comprises a pole body, an adapter structure, and an inner insulating member; the adapter structure surrounds the pole body and is connected to the casing; the adapter structure is insulatingly connected to the pole body; the inner insulating member is arranged on the adapter structure and is located on the side of the adapter structure facing an accommodating cavity; the inner insulating member is provided with a protruding portion protruding towards the accommodating cavity; and the protruding portion is arranged close to an outer end of the inner insulating member relative to an inner end of the inner insulating member.
Resumen de: WO2026218211A1
The present application belongs to the technical field of batteries. Provided are a battery cell, a battery device and an electric device. The battery cell comprises a casing, an electrode assembly, electrode terminals, first sealing members, and second sealing members, wherein electrode lead-out holes are provided in a wall portion of the casing; each electrode terminal comprises a body portion, a first connecting portion and a second connecting portion, the body portion passing through an electrode lead-out hole and connecting the first connecting portion and the second connecting portion, the first connecting portion being located on the side of the wall portion facing the electrode assembly and being electrically connected to the electrode assembly, and the second connecting portion being located on the side of the wall portion facing away from the electrode assembly; at least a portion of each first sealing member is arranged between a first connecting portion and the wall portion in the thickness direction of the wall portion and surrounds a body portion; and at least a portion of each second sealing member is arranged between a second connecting portion and the wall portion in the thickness direction of the wall portion and surrounds a body portion. Therefore, the phenomenon of poor sealing or sealing failure between the electrode terminals and the wall portion can be reduced, thereby reducing the risk of leakage of the battery cell.
Resumen de: WO2026218228A1
The present application relates to the technical field of batteries, and specifically relates to a battery system and an electric apparatus. The battery system of the present application comprises a first battery pack and a second battery pack, wherein the first battery pack comprises a plurality of first battery cells, the second battery pack comprises a plurality of second battery cells, the first battery cells and the second battery cells are of different chemical systems, and the volumetric energy density VED1 of the first battery cells and the volumetric energy density VED2 of the second battery cells satisfy: VED2>VED1; and the first battery pack and the second battery pack are electrically connected by means of a voltage conversion circuit, and the second battery pack can charge the first battery pack by means of the voltage conversion circuit. The battery system provided in the present application may have good endurance performance across multiple application scenarios.
Resumen de: US20260331501A1
The present disclosure relates to a negative electrode active material for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the negative electrode active material, and a rechargeable lithium battery including the negative electrode. The negative electrode active material includes spherical graphite and an amorphous carbon layer around (e.g., surrounding) the spherical graphite, and the negative electrode active material has a volume ratio of the total volume of pores with a diameter of 100 nm to 1000 nm to a total pore volume of 3% or less and an orientation ratio of 90 or less.
Resumen de: WO2026218381A1
A full-width measurement device, comprising: a frame (10), a first measurement unit (20), a second measurement unit (30), and reversing rollers (50). The first measurement unit (20) comprises several first measurement modules (21). The reversing rollers (50) are all mounted on the frame (10) and are located between the first measurement unit (20) and the second measurement unit (30). There is an included angle between a first measurement direction and a second measurement direction. A first detection area and a second detection area can form a continuous measurement range in the transverse direction. Not only the risk of missed detection but also the ray interference between different measurement units can be reduced.
Resumen de: US20260331620A1
0000 This invention discloses an energy storage life extension system for solar power generation, comprising a battery module 101, a photovoltaic power generation unit 201, a battery management system 301, and a low-temperature life extension module 401. This invention actively maintains the battery module in a low-temperature range to extend battery life and improve the overall vehicle's life-cycle economics. While maintaining low-temperature stability, it effectively reduces energy consumption, avoiding the high energy consumption and high cost problems of traditional methods relying on heating or insulation. Therefore, this invention can significantly improve cycle life, reduce energy consumption, and promote efficient and reliable synergy between solar power generation and energy storage while ensuring battery performance, demonstrating innovation and broad application prospects.
Resumen de: US20260331703A1
Provided are a separator for a rechargeable battery and a rechargeable battery including the separator. The separator for a rechargeable battery includes a porous substrate and a coating layer located on at least one surface of the porous substrate, wherein the coating layer includes a crosslinked product of a mixture including a first binder and a second binder, and a crosslinking agent; and a filler. The first binder is an aqueous binder, and the second binder is a carboxyalkyl cellulose-based compound or a salt thereof The crosslinking agent includes citric acid, and the citric acid is included in a range of about 5 parts by weight to 50 parts by weight with respect to 100 parts by weight of the total of the first binder and the second binder.
Resumen de: US20260331561A1
Batteries using a positive electrode mixture comprising a sulfur-based positive electrode active material have room for improvement in terms of cycle characteristics. The battery of the present disclosure comprises a positive electrode mixture layer, an electrolyte layer, and a negative electrode. The positive electrode mixture layer comprises a sulfur-based active material, a P-containing sulfide, and carbon. BET specific surface area of the carbon is 350 m2/g or more. A molar ratio P/S between P and S contained in the positive electrode mixture layer is greater than 0.06 and less than 0.24.
Resumen de: WO2026218657A1
The present application provides a case assembly, a battery module, and a battery system. The case assembly comprises: a cooling structure; a surrounding structure arranged on the cooling structure, wherein the surrounding structure and at least part of the cooling structure define an accommodating space, and the accommodating space is used for accommodating battery cells; a mounting structure arranged in the accommodating space, wherein the mounting structure is provided with mounting holes, so that the battery cells are connected to the cooling structure by means of the mounting holes; and elastic structures arranged on hole walls of the mounting holes, so that outer peripheral surfaces of the battery cells are kept in contact with the hole walls by means of the elastic structures.
Resumen de: WO2026219103A1
A top cover assembly, a battery cell, and an electricity-consumption device are provided. The top cover assembly includes a top cover, a terminal post, an upper plastic member, and a sealing ring. The top cover has a first surface and a second surface opposite to each other. A first hole and a first mounting recess are defined in the top cover. The terminal post passes through the first hole. The upper plastic member includes an upper-plastic-member body and a protrusion connected to the upper-plastic-member body and sleeved on the terminal post. The sealing ring is sleeved on the terminal post, where the sealing ring is partially located in the first hole and is in interference fit with the protrusion, and the sealing ring located in the first hole is further in contact with a bottom surface and a first transitional curved surface of an outer surface of the protrusion.
Resumen de: WO2026219046A1
The present application belongs to the technical field of batteries. Provided are a battery cell, a battery device and an electric device. The battery cell comprises a housing, an electrolyte, and a plurality of electrode assemblies. The plurality of electrode assemblies are stacked inside the housing in a first direction, and each electrode assembly comprises a main body and a tab, the tab being connected to one end of the main body in a second direction perpendicular to the first direction. The plurality of electrode assemblies comprise a first electrode assembly and a second electrode assembly that are adjacent to each other, with one end of the main body of the second electrode assembly in the second direction being connected to an extension member. The extension member extends beyond a first surface, facing the second electrode assembly, of the main body of the first electrode assembly in a direction from the second electrode assembly toward the first electrode assembly and extends into the electrolyte, such that the electrolyte is capable of climbing into the main body of the second electrode assembly through the extension member under a capillary effect for wetting, thereby improving the wetting effect of the electrolyte on an upper electrode assembly among the plurality of electrode assemblies that are stacked.
Resumen de: WO2026221199A1
An electronic device according to one embodiment of the present disclosure may comprise an information acquisition interface and a processor operatively connected to the information acquisition interface, wherein the processor can acquire state data of a battery by using the information acquisition interface, calculate a charging state of health (SOH) and a discharging SOH on the basis of the state data, calculate an SOH deviation value indicating the difference value between the charging SOH and the discharging SOH, and diagnose that an abnormality has occurred in the battery when the SOH deviation value satisfies a reference condition.
Resumen de: WO2026222242A1
Tin antimonide (SnSb) is a promising alloying anode for sodium-ion batteries due to its high theoretical capacity and relative stability. However, few studies have been conducted regarding the influence of Sn and Sb stoichiometry on anode capacity retention and efficiency over time. Electrodes were synthesized with compositional control of Sn-Sb by optimizing electrodeposition parameters and stoichiometry in solution, and the resulting alloys were investigated to determine the effects of stoichiometry on both performance and electrochemical phenomena using sodium-ion half-cells. Higher concentrations of antimony deposited into the films were found to best maintain specific capacity over 270 cycles in the tin-antimony alloys, with each cell showing a slow, gradual decrease in capacity. A 1:3 ratio of Sn:Sb retained a specific capacity of 486 mAh/g after 270 cycles, and demonstrates how control over stoichiometry in Sn-Sb electrodes is a viable method for tuning performance.
Resumen de: WO2026221473A1
The present invention relates to an electrolyte for use in a high-temperature lithium secondary battery used in a high-temperature environment of 80°C or higher, the electrolyte comprising: a mixed ionic liquid formed by mixing a first ionic material that is in a solid state at room temperature and a second ionic material that is in a liquid state at room temperature; and a lithium salt dissolved in the mixed ionic liquid, wherein the first ionic material is at least one material selected from P4444IM14, P4444BETI, and P4444TFSI. The present invention enables the provision of a lithium secondary battery that can be used in a temperature range of 80°C or higher by employing an electrolyte in which a lithium salt is dissolved in a mixed ionic liquid. In addition, by forming a mixed ionic liquid by mixing a high-temperature stable ionic material, which is solid at room temperature, with an ionic liquid, which is in a liquid state at room temperature, the process of producing the electrolyte is facilitated. Furthermore, the high-temperature lithium secondary battery of the present invention has an effect of improving battery performance and durability at high temperatures by using a positive electrode to which a binder having excellent thermal electrochemical stability at high temperatures and improved slurry processability and electrolyte stability is applied.
Resumen de: WO2026219114A1
Disclosed in the present application are a battery cell and a battery pack. The battery cell comprises: a casing, which is provided with an accommodating cavity; an electrode assembly, which is arranged in the accommodating cavity; a top cap, which covers the casing and is provided with an electrolyte injection hole and an explosion-proof valve opening; an explosion-proof valve, which is arranged on the top cap and seals the explosion-proof valve opening; and an insulating member, which comprises an insulating body and a flow guide portion, wherein the insulating body is connected to the side of the top cap close to the electrode assembly, the flow guide portion is connected to the insulating body, and at least a part of the flow guide portion is located on the side of the insulating body close to the electrode assembly; a flow guide cavity is provided inside the flow guide portion, and the flow guide cavity is in communication with the electrolyte injection hole; a flow guide hole is provided on the side of the flow guide portion close to the electrode assembly, the flow guide hole is in communication with each of the flow guide cavity and the accommodating cavity, and the flow guide hole and the electrolyte injection hole are staggered; and when the explosion-proof valve cracks, the flow guide cavity is brought into communication with the explosion-proof valve opening.
Resumen de: US20260331566A1
Provided is an anode-free lithium secondary battery including an anode current collector having a dual coating layer, the anode-free lithium secondary battery comprising a cathode active material, a separator, and an electrolyte between a cathode current collector and the anode current collector, wherein the anode current collector is coated with an artificial SEI layer containing a metal, and a natural solid electrolyte interphase (SEI) film is formed on the anode current collector by reaction of at least a part of the artificial SEI layer with the electrolyte when the anode-free lithium secondary battery is first charged.
Resumen de: WO2026219371A1
Provided in the present disclosure are a lithium-ion secondary battery, an electric device and a positive electrode material. The lithium-ion secondary battery comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer that is located on at least one side of the positive electrode current collector and comprises a positive electrode material, the positive electrode material comprising a lithium transition metal oxide which comprises primary particles having a particle size of 0.5-0.6 μm. The lithium transition metal oxide comprises nickel, cobalt and manganese, wherein on the basis of the total moles of nickel, cobalt and manganese, the molar percentage of nickel is greater than or equal to 50% and less than 100%, and the molar percentage of manganese is greater than or equal to that of cobalt. The lithium transition metal oxide further comprises a modifying element which is one or more of zirconium, yttrium, sodium, potassium, phosphorus, antimony, aluminum, titanium, boron, tungsten and carbon. At 100% SOC, the oxygen release temperature of the positive electrode sheet as determined by thermogravimetry-mass spectrometry is 215-235°C.
Nº publicación: WO2026221449A1 22/10/2026
Solicitante:
IUCF HYU INDUSTRY UNIV COOPERATION FOUNDATION HANYANG UNIV [KR]
\uD55C\uC591\uB300\uD559\uAD50 \uC0B0\uD559\uD611\uB825\uB2E8
Resumen de: WO2026221449A1
The present invention relates to a battery management technology and, particularly, to a method and an apparatus for detecting an abnormally degraded cell by analyzing a degradation state of individual battery cells in a battery pack. The apparatus for detecting abnormal battery degradation according to one embodiment of the present invention comprises a memory and a processor, wherein the memory stores program instructions executable by the processor, and, through execution by the processor, the program instructions instruct that: a state indicator indicating a degradation state of respective battery cells is calculated; a change trend of the state indicator is analyzed over time to estimate the degradation tendency of the respective battery cells; and a battery cell exhibiting a different degradation tendency from among the plurality of battery cells is detected as an abnormally degraded cell. Through this configuration, the safety of a battery system can be improved, the lifetime of the battery can be extended, and accurate information about the battery state can be provided to a user.
BOPI
Sede Electrónica
