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1000
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Updated on
16/07/2026 [07:55:00]
Results 675 to 700 of 1000
Absstract of: US20260196468A1
Disclosed herein is an electrode comprising an active layer comprising a network of high aspect ratio carbon elements defining void spaces within the network; a plurality of electrode active material particles disposed in the void spaces within the network; and a polymeric binder comprising a first polymer which is a polymer comprising an acid functional group or a salt of such acid functional group; a polyamide; or an acrylate polymer, and a second polymer.
Absstract of: US20260196610A1
0000 A molding apparatus according for molding a pouch film is provided. The molding apparatus may include a die in which a first opening is defined; a stripper disposed above the die to fix the pouch film and having a second opening; a sub die, having a height that is variable with respect to the die, inside the first opening; a punch to press the pouch film through the second opening and disposed to face the sub die; and a sub punch to press the pouch film between an inner circumference of the first opening and an outer circumference of the sub die through a space between an inner circumference of the second opening and an outer circumference of the punch.
Absstract of: US20260196475A1
Fiducial markers (reference marks and associated tracing codes) are applied to sheet materials such as electrodes, paper, plastics, and fabrics and serve as reference points along the machine direction. As the sheet advances, tracing codes are recorded to create a database of tracing codes and as a physical property of the sheet of material is measured a measurement profile is recorded wherein measurements of the physical property are synchronized with the tracing codes from the database so that different portions of the measurement profile are associated with one or more accompanying tracing codes. Customers can match measurements made during production to finished products such as electrochemical batteries so that defects found at a later stage of production can be traced to the source measurements to achieved improved quality assurance. The reference marks facilitate alignment among measurements made by different scanners.
Absstract of: AU2026204756A1
Vehicle charging system comprising a gas turbine engine (10) mechanically coupled to an electric generator (11) to produce electrical energy; the electrical energy is split into a first electrical energy (12) and a second electrical energy (14) by a power splitter (11); the first electrical energy (12) is used for charging electric vehicles and the second electrical energy 5 (14) is used for charging hydrogen vehicles for example through an electrolyzer (30). MAIN FIGURE Fig. 1 MAIN FIGURE un u n Fig. 1 un u n
Absstract of: US20260196513A1
0000 Provided are a novel binder for a secondary battery including a copolymer containing specific repeating units, and a binder composition for a secondary battery including the binder for a secondary battery and a compound containing an amine group and a hydroxyl group. When the binder for a secondary battery or the binder composition for a secondary battery is applied to a negative electrode and a secondary battery, expansion of the negative electrode is effectively suppressed, and the charge/discharge cycle characteristics and the performance of the secondary battery are significantly improved. Furthermore, the binder for a secondary battery has improved coatability and adhesion to effectively suppress the exfoliation and desorption of the negative electrode, thereby improving the performance of the secondary battery.
Absstract of: US20260196667A1
0000 A battery separator and a preparation method therefor, and a secondary battery, relating to the technical field of battery separators. The battery separator comprises: a base film; and an inorganic coating provided on at least one surface of the base film. A contact ratio k of inorganic particles to the base film in the longitudinal section of the battery separator is 15-90%; and the relationship among the contact ratio k, air permeability A1 of the base film and air permeability A2 of the coating per unit thickness meets: A1×k≥A2. The separator is improved to a certain extent in peel strength, puncture strength and air permeability, and the battery separator with both safety and high ion permeability is provided.
Absstract of: US20260196493A1
A low-cobalt single crystal positive electrode material with high capacity and long cycle life. The interior of the particle is divided into a first region and a second region, and the cobalt concentrations in the first and second region are in a gradient distribution, decreasing from outside to inside at decreasing rates of 6% to 20% and 0.1% to 6% per 100 nm, respectively. The method for preparing the low-cobalt single crystal positive electrode material is also provided.
Absstract of: US20260196579A1
A battery pack includes at least one energy storage module, a housing adapted to receive at least one energy storage module, a side cover adapted to close the housing, an electronic cover adapted to close the housing on the side opposite to the side cover, a connector positioned at the electronic cover, and a connection element connecting the connector with the at least one energy storage module.
Absstract of: US20260194337A1
A measuring jig for a battery module that includes a support for disposing across the battery module, a plurality of fastening parts for fastening with a measuring instrument, and fixing plates for connecting to the support and to support the measuring jig on the battery module.
Absstract of: US20260196480A1
0000 A nanocomposite electrode including a substrate, a binding compound, a conductive additive, and NiO/Fe<2>VO<4 >nanoparticles. The NiO/Fe<2>VO<4 >nanoparticles have a substantially spherical shape. A mixture of the binding compound, the conductive additive and the NiO/Fe<2>VO<4 >nanoparticles, is at least partially coated on a first surface of the substrate. A method of making the NiO/Fe<2>VO<4 >nanoparticles is described.
Absstract of: US20260196548A1
A welding system is configured to weld an adapting piece. The welding system includes a frame, a welding assembly, a loading assembly, and a driving assembly. The frame has a plurality of loading stations, at least one loading station is a welding station, and at least one loading station is a feeding station. The welding assembly is disposed on the frame. Each loading station is provided with a loading assembly. The loading assembly is configured to carry a bare cell. The welding assembly is configured to weld the bare cell carried by the loading assembly located at the welding station. The driving assembly is capable of driving the loading assembly to sequentially move through each loading station along a first direction. The loading assembly, under the action of the driving assembly, moves above or below the loading station along a second direction to return to a corresponding loading station.
Absstract of: US20260196697A1
A cylindrical battery cell includes a jelly-roll type electrode assembly having a structure in which a first electrode plate and a second electrode plate are wound in one direction with a separator being interposed therebetween, the first electrode plate including a first uncoated forming a plurality of winding turns; a battery can having an open portion in which the electrode assembly is accommodated and a partial closed portion provided at a side opposite thereto, the battery can being electrically connected to the second electrode plate; a current collector plate electrically connected to the first uncoated region of the first electrode plate; and a cell terminal connected to the current collector plate, the cell terminal including a terminal insertion inserted into the battery can through the through-hole. At least a part of a bottom surface of the terminal insertion portion being flat and electrically connected to the current collector plate.
Absstract of: US20260196687A1
0000 A battery cell includes an electrode assembly, a housing, and an electrode terminal. The electrode assembly includes a tab. The housing is configured to accommodate the electrode assembly. The electrode terminal is disposed in the housing and electrically connected to the tab. The electrode terminal is provided with a through hole, where the through hole is configured for injecting an electrolyte into an inner space of the housing.
Absstract of: US20260196638A1
0000 A battery pack includes a housing having a cell holder with a mounting element, at least one battery cell at least partially received in the cell holder, a printed circuit board, and a cell connector configured to electrically connect the at least one battery cell to the printed circuit board. The mounting element is configured to support a connection of the cell connector to the printed circuit board. The mounting element is located in a cut-out of the printed circuit board.
Absstract of: US20260196669A1
0000 A unit cell includes a separator and an electrode, which are alternately laminated by a predetermined number. The unit cell is configured such that: the unit cell is laminated in the order of a lower separator, any one electrode of an anode or a cathode, an upper separator, and the other one electrode of the anode or the cathode, wherein at least one surface of the electrode and the separator is applied with an adhesive to adhere the electrode and the separator or the lower separator and the upper separator. The adhesive contains an adhesive composition comprising a copolymer and a rosin ester-based additive, the copolymer contains 60.1 to 79.9% by weight of two or more kinds of alkyl (meth)acrylate-based repeating units (A), and 20.1 to 39.9% by weight of (meth)acrylate-based repeating unit (B) having a hydroxyl group at its end.
Absstract of: US20260196560A1
The present disclosure relates to an electrolytic solution containing a phosphorofluoridate compound for a lithium secondary battery, and a lithium secondary battery comprising the electrolytic solution, wherein the lithium secondary battery comprising the electrolytic solution according to one embodiment produces an output that does not degrade even under high-voltage conditions, has excellent lifespan characteristics, and exhibits excellent storage stability and a high capacity-recovery rate at high temperatures. In addition, the lithium secondary battery comprising the electrolytic solution according to one embodiment has excellent output characteristics resulting from reduced internal resistance of the battery and exhibits excellent cycle characteristics and stability even when charged in high-temperature and high-voltage conditions.
Absstract of: US20260196494A1
0000 A positive electrode active material including: a lithium nickel-based transition metal oxide with a large particle diameter; and a lithium nickel-based transition metal oxide with a small particle diameter. The lithium nickel-based transition metal oxide with a large particle diameter is in the form of a secondary particle that is an aggregate of primary particles. The lithium nickel-based transition metal oxide with a small particle diameter is in the form of a single particle formed of one nodule and/or a quasi-single particle that is a composite of 30 or less nodules. The volume cumulative particle size distribution graph obtained from particle size distribution (PSD) of the positive electrode active material includes peak Pon a side with the small particle size and peak P
Absstract of: US20260196623A1
0000 A power storage device comprises: a positive electrode in which a positive electrode active material layer is formed on a first surface of a positive electrode collector; and a sealing part that is adhered to the first surface of the positive electrode. The sealing part is formed from an acid-modified polyolefin resin. The positive electrode comprises a carbon coating layer that is provided at the portion of the first surface of the positive electrode collector to which the sealing part is adhered. The carbon coating layer includes carbon particles and a coating layer binding agent. For the coating layer binding agent, the intensity ratio (P
Absstract of: US20260192285A1
A copper-carbon composite material, its preparation and application thereof are provided. The copper-carbon composite material has an active component and a carrier. The active component includes a combination of Cu and Cu2O, and the carrier is a porous carbonaceous material. The content of the combination is 1 wt % to 50 wt %, calculated based on the mass of Cu element, relative to the composite material as 100 wt %, and the R1 value of the composite material is 0.4-2:1.
Absstract of: US20260196651A1
This application provides a battery cell, a method and system for manufacturing same, a battery, and an electrical device. The battery cell includes: an electrode assembly; a shell assembly, configured to accommodate the electrode assembly and including a first side plate and a second side plate, where the first side plate and the second side plate are located on two sides of the electrode assembly along a first direction respectively; a pressure relief mechanism, disposed on the first side plate; and a support member, disposed between the electrode assembly and the first side plate, and configured to support the electrode assembly. A duct is provided on the support member. The duct is configured to guide gas between the second side plate and the support member into the pressure relief mechanism, so that the pressure relief mechanism is actuated to release a pressure when the pressure reaches a threshold.
Absstract of: US20260196481A1
0000 A nitrogen-doped graphene coated silicon-carbon composite material and a preparation method and use thereof are provided. The nitrogen-doped graphene coated silicon-carbon composite material includes at least a silicon-based matrix as an inner core and a coating layer as a shell, wherein the coating layer includes nitrogen-doped amorphous carbon and graphene, and the graphene coats an outer surface of the nitrogen-doped amorphous carbon and/or is doped in the nitrogen-doped amorphous carbon.
Absstract of: EP4773300A1
0001 Disclosed are an electrolyte, a lithium secondary battery, and an electric device. The electrolyte includes a first solvent, a silane compound containing a carbon-carbon double bond, and a cyclic lithium borate compound. The first solvent includes a cyclic carbonate compound. Based on a total mass of the electrolyte, a mass content W3 of the cyclic carbonate compound, a mass content W1 of the silane compound containing a carbon-carbon double bond, and a mass content W2 of the cyclic lithium borate compound satisfy: 0.001 ≤ (W1+W2)/W3 ≤ 2.67. The silane compound containing a carbon-carbon double bond and the cyclic lithium borate compound are used in combination, which can improve the flexibility and thermal stability of an SEI film, thereby reducing the degree of gas production of the lithium secondary battery during the processes of cycling and storage and improving the storage performance, fast charge performance and cycling performance of the lithium secondary battery.
Absstract of: EP4773313A1
0001 Provided are a battery and an energy storage device. The battery includes: a positive electrode plate, a negative electrode plate, a separator, and an electrolyte solution. The positive electrode plate includes a positive current collector and a positive active material layer. The negative electrode plate includes a negative current collector and a negative active material layer. The electrolyte solution includes an electrolyte, a solvent, and an additive. A ratio of a weight of the negative active material layer per unit area to a weight of the positive active material layer per unit area is z, and z ranges from 0.46 to 0.55. The additive includes additive A, and the additive A is a substance containing an oxalic acid structure.
Absstract of: EP4773199A1
The present application relates to the field of battery technologies and discloses a negative electrode plate, an electrochemical apparatus, and an electric device. The negative electrode plate includes a first active material layer, a first current collector, and a second active material layer; the first active material layer includes a first coating and a second coating disposed between the first coating and the first current collector, along a first direction, a first end of the second coating exceeds a first end of the first coating, such that the first active material layer has a first single-layer portion, and/or along a second direction, a second end of the second coating exceeds a second end of the first coating, such that the first active material layer has a second single-layer portion, where the first direction and the second direction are opposite. The negative electrode plate, along the first direction or the second direction, has the second coating exceeding the first coating, thereby addressing the issue that two end portions of the active material layer are prone to overpressure during the rolling process, which leads to damage to the first current collector. This reduces the probability of tape breakage during the rolling process of the negative electrode plate and improves the production yield of the negative electrode plate.
Nº publicación: EP4773356A1 08/07/2026
Applicant:
NINGDE AMPEREX TECHNOLOGY LTD [CN]
Ningde Amperex Technology Limited
Absstract of: EP4773356A1
0001 This application discloses a secondary battery and an electronic device. The secondary battery includes an electrode assembly, a packaging bag, and an insulation adhesive. The packaging bag includes a main portion and a first side seal edge. The main portion accommodates the electrode assembly, and includes a first sidewall and a second sidewall disposed along a thickness direction of the secondary battery. The first side seal edge includes a first connecting portion and a second connecting portion disposed in sequence. The first connecting portion is connected to the main portion. The second connecting portion is bent toward the main portion relative to the first connecting portion. An angle θ is formed between the first connecting portion and the first sidewall, satisfying: 0° < θ < 90°. A thickness of the main portion is less than a width of the first connecting portion. The insulation adhesive covers one end, facing the main portion, of the second connecting portion. The insulation adhesive bonds the first connecting portion to the second connecting portion, and further bonds the second connecting portion to the main portion. This application increases energy density. When sealing an end portion of the second connecting portion, this application reduces the risk of deformation of the first side seal edge.
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