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1190
results.
Updated on
25/10/2026 [07:33:00]
Results 300 to 325 of 1190
Absstract of: US20260331519A1
A positive electrode plate comprises a metal layer, an active material layer containing a positive electrode active material, and a protective layer. The active material layer and the protective layer are formed on the metal layer and positioned adjacent to each other in a plan view of the positive electrode plate. The protective layer contains an inorganic oxide filler and polyvinylidene difluoride. The polyvinylidene difluoride is an unmodified homopolymer having a weight average molecular weight of 750,000 or more, and a content of the polyvinylidene difluoride in the protective layer is 13.5 weight % or more. The number of lumps in the protective layer is 0.50/cm2 or less.
Absstract of: US20260331934A1
0000 Modular power sources and systems are provided. The modular power source includes a housing, a power module configured for providing a variable output of power, and at least one modular battery unit. The housing includes a frame constructed of powder-coated steel to create at least one level; two heavy-duty casters attached at a first end of the frame; two airless tires attached at a second end of the frame; a cooling vent system; a hinged access panel; and a push handle. The power module includes an AC charging input; and a plurality of AC power outputs. A power supply system includes an equipment configured to receive electrical power; and a modular power source configured to provide electrical power to the equipment.
Absstract of: US20260331708A1
A spacer has a pair of first portions located on both end sides of the spacer in the second direction and a second portion located between the pair of first portions in a second direction, a flat surface of the spacer is formed continuously from one of the pair of first portions to the other of the pair of first portions, and at least a portion of each of the pair of first portions in a first direction has a larger thickness than a thickness of the second portion in a direction orthogonal to the flat surface.
Absstract of: US20260331512A1
The present invention relates to a secondary battery, particularly an electrode for a lithium-sulfur battery, a manufacturing method thereof, and a secondary battery comprising the same, particularly a lithium-sulfur battery, and more specifically, the electrode for a secondary battery, particularly for a lithium-sulfur battery, of the present invention includes a cationic nanocellulose binder surface-modified with a cationic functional group, thereby increasing the specific surface area where the cationic nanocellulose binder contacts the conductive material and the active material, which can simultaneously improve the adhesion within the electrode and the adhesion between the electrode and the current collector, and by inducing 3-dimensional growth of lithium sulfide, it can suppress the shuttle effect of lithium polysulfides and passivation of the electrode, and increase the loading amount of the active material and the specific capacity of the battery.
Absstract of: US20260331457A1
0000 A negative electrode layer 10, a positive electrode layer 20, and a solid electrolyte layer 30 are laminated in a T direction. One direction from among directions orthogonal to the T direction is an X direction. A direction orthogonal to the T direction and the X direction is a Y direction. A negative-electrode current collector layer 11 has a negative-electrode current collector layer body part 12, and a negative electrode tab 14 extending from the negative-electrode current collector layer body part 12 in an X-direction. The outer peripheral surface of the negative electrode layer 10 has pairs of side surface sections 13, 16 opposite from each other in the Y direction. When viewed in the T direction, each of the side surface sections 13, 16 has an uneven section 13a, 16a that includes recesses and protrusions repetitively arranged in the X direction.
Absstract of: US20260328847A1
The present disclosure relates to a secondary battery testing apparatus including a case, a drum rotatably disposed in the case, a cable configured to be wound around the drum and having a detection terminal extending outward from the case, an adjustment member connected to the drum and configured to adjust rotation of the drum, and a measurement member connected to the cable and configured to measure a detection signal transmitted through the cable.
Absstract of: US20260328859A1
A battery capacity estimation method is a method that estimate a deterioration state of a battery, and includes acquiring a capacity value, a current value, and a temperature of the battery in a battery capacity measurement and estimating a capacity true value of the battery by adding a capacity correction value calculated using Equation (1) described below to the capacity value.dQ=k′(T)I*100SOH(1)(where dQ is a capacity correction value, T is a temperature (° C.), k′(T) is a constant at the temperature T, I is a current value, and SOH is a ratio (%) of a full charge capacity of the battery at a time of measurement relative to an initial full charge capacity of the battery.)
Absstract of: EP4826365A1
A battery pack detection device and a battery pack detection method. The battery pack detection device comprises: a gantry truss (1), a first camera set (2), second camera sets (3), and a processor. The gantry truss (1) comprises a first frame (12) and a second frame (11), wherein the first frame (12) comprises first support beams (121), and a first linear element (42) is provided on the first support beams (121); and the second frame (11) comprises second support beams (111), and a second linear element (52) is provided on the second support beams (111). The first camera set (2) is slidably arranged on the first linear element (42) in a second direction, and is used for capturing top surface images of a battery pack. Two opposite second camera sets (3) each are slidably arranged on the second linear element (52) in the second direction, the second camera sets (3) are rotatably connected to the second linear element (52) around a third direction, and the second camera sets (3) are used for capturing side surface images and end surface images of the battery pack. The processor is used for receiving the top surface images, the side surface images, and the end surface images, and detecting the appearance of the battery pack on the basis of the top surface images, the side surface images, and the end surface images.
Absstract of: EP4825805A1
0001 Provided is a method for continuous manufacturing of an electrolyte containing an alkali metal hexafluorophosphate. The method comprises a mother liquor preparation step of preparing a mother liquor in a slurry form containing an organic solvent, an alkali metal hexafluorophosphate dissolved therein, and unreacted alkali metal fluoride particles within a reactor; a filtering step of introducing a portion of the mother liquor into a first cross-flow filter to obtain a filtrate and a retentate, the filtrate being obtained by filtering the unreacted alkali metal fluoride particles from the mother liquor and including the organic solvent and the alkali metal hexafluorophosphate; a refluxing step of refluxing the retentate obtained in the filtering step into the reactor and a transporting step of transporting the filtrate obtained in the filtering step to a subsequent process; and a reaction proceeding step including backwashing a second cross-flow filter with a makeup organic solvent in a molar flow rate equal to a molar flow rate of the organic solvent contained in the filtrate of the transporting step to obtain a backwash effluent; and supplying the backwash effluent into the reactor.
Absstract of: EP4826893A1
0001 The present disclosure relates to a secondary battery and a method of the same. A current collector according to the present disclosure includes a body portion and a receiving portion formed at a bending-directional end of the body portion. Certain portions of some foil tabs are received in the receiving portion and welded to the current collector. The certain portions of the foil tabs are melted and integrated with a portion of the body portion and at least a portion of the receiving portion by welding. The present disclosure may prevent an electrode assembly positioned under a void region from being affected during a welding process. Accordingly, damage to a separator of the electrode assembly during the welding process is prevented.
Absstract of: EP4826777A1
The present invention relates to a lithium metal electrode and a method for manufacturing the same. The lithium metal electrode of the present invention includes a current collector, a metal layer positioned on at least one surface of the current collector and including a lithium alloy, and a protective layer disposed on the metal layer and including a carbon-based material, wherein at least one of a nitrogen-based alloy and a magnesium-based alloy is included in at least one region between the metal layer and the protective layer and inside the protective layer.
Absstract of: EP4826790A1
The present invention is a negative electrode active material having negative electrode active material particles, in which the negative electrode active material particles include a porous carbon structure, an amorphous low-valent nanosilicon oxide is dispersed inside the porous carbon structure, the low-valent nanosilicon oxide includes states where SiOx: x < 1.0, and at least a portion of the surface of the low-valent nanosilicon oxide exposed on the surface layer portion of the porous carbon structure is coated with a decomposition product and/or polymer of an organosilicon compound represented by the following general formula (1) : Si(R1)l(R2)m(R3)4-l-m (1)in which R1 is an alkyl group having 1 to 20 carbon atoms, R2 is an alkenyl group having 2 to 20 carbon atoms, R3 is an alkynyl group having 2 to 20 carbon atoms, and "1" and "m" each independently represent an integer of 0 to 4. This provides a negative electrode active material that can increase capacity while maintaining battery characteristics.
Absstract of: WO2025125210A1
The present invention relates to a positive electrode composite active material comprising a coated lithium electrode material and a sulfide solid electrolyte. It was found during the temperature and pressure treatment that a sulfur layer is formed between the coated positive electrode material and sulfide solid electrolyte which strongly enhances the ionic conductivity and the electrochemical performance.
Absstract of: EP4826801A1
The disclosure provides a tetrafluoroethylene-based polymer composition for a binder for an electrochemical device, capable of improving high-temperature cycle characteristics of an electrochemical device and reducing or preventing gas generation, and a binder for an electrochemical device, an electrode mixture, an electrode, and a secondary battery each containing the composition. Provided is a tetrafluoroethylene-based polymer composition for use in a binder for an electrochemical device, containing a tetrafluoroethylene-based polymer that is a copolymer of tetrafluoroethylene and a monomer containing a polar group, the tetrafluoroethylene-based polymer composition having fibrillatability.
Absstract of: WO2025124966A1
The present invention relates to the technical fields of electric batteries and adhesive formulations for fitting the latter in vehicles. It relates to a preparation for providing a thermally conductive adhesive formulation, to a process for producing the preparation, to a structure consisting of at least one battery cell, an adhesive layer and a heat sink, and to a method for producing the structure of the invention.
Absstract of: EP4825642A1
A battery slot according to the present invention, comprises: a slot frame forming an accommodation space into which a battery is inserted and including an entrance/exit formed by one side of the accommodation space being open; a door coupled to the slot frame to open and close the entrance/exit; a detection assembly that is coupled to the slot frame and detects whether the battery is a battery suitable for charging; and a control unit that sets the door to a locked state or an unlocked state on the basis of information detected by the detection assembly, wherein the detection assembly may include: a detection frame coupled to the slot frame and provided with an opening corresponding to the entrance/exit; a detection button that is disposed on the detection frame and is pressed and moved by the battery as the battery enters the opening; and a detection unit that detects movement of the detection button.
Absstract of: EP4826813A1
0001 Disclosed are a transfer tray with significantly improved battery cell transfer efficiency and a battery cell activation system including the same. According to an aspect of the present embodiment, there are provided a transfer tray capable of significantly improving the transfer efficiency of battery cells and a battery cell activation system including the same, capable of significantly reducing the transfer time of battery cells.
Absstract of: EP4825228A1
A power supply unit (110) of an inhalation device (100) comprises a power source unit (111), and a control unit (116) configured to control at least one of charging and discharging of the power supply unit (111). The power source unit (111) is replaceably and removably installed in the power supply unit (110). The control unit (116) is capable of performing identification processing for identifying the type of the power source unit (111) installed in the power supply unit (110, and control value modification processing for modifying, on the basis of the type of power source unit (111) identified in the identification processing, at least one control value used to control the power source unit (111).
Absstract of: EP4826787A1
Provided, according to exemplary embodiments of the present invention, is a negative electrode active material capable of improving the efficiency of a secondary battery. The negative electrode active material comprises: a carbon scaffold having a porous structure; and silicon-based particles distributed in pores of the carbon scaffold, wherein the carbon scaffold comprises a plurality of carbon structures which are agglomerated with each other. Provided, according to other exemplary embodiments of the present invention, are a method for manufacturing the above-described negative electrode active material, and a negative electrode comprising the negative electrode active material.
Absstract of: EP4826898A1
Exposure of a high-ductility conductor layer on an inner wall surface of a bottomed hole portion constituted by a low-ductility conductor layer is suppressed. Provided is a method for manufacturing a terminal component including a step of forming a first intermediate body 33 having a shaft portion 33C protruding from a central portion on a side of a low-ductility conductor layer 31B of a clad piece 31 formed by laminating and joining a high-ductility conductor layer 31A and the low-ductility conductor layer 31B in a thickness direction, a step of forming a second intermediate body 34 having an intermediate bottomed hole portion 34D from the first intermediate body 33 with a punch 75 having a first convex portion including a flat tip end portion, and a step of forming a third intermediate body 35 having a bottomed hole portion 35D from the second intermediate body 34 with a punch 85 having a second convex portion including a flat tip end portion, in which a radius of curvature R1 of an outer peripheral edge portion of the tip end portion of the first convex portion of the punch 75 is smaller than a radius of curvature R2 of an outer peripheral edge portion of the tip end portion of the second convex portion of the punch 85.
Absstract of: WO2025124962A1
The present invention relates to the technical fields of electric batteries and adhesive formulations for fitting the latter in vehicles. It relates to a preparation for providing a thermally conductive adhesive formulation, to a process for producing the preparation, to a structure consisting of at least one battery cell, an adhesive layer and a heat sink, and to a method for producing the structure of the invention.
Absstract of: EP4826800A1
0001 The disclosure provides a tetrafluoroethylene-based polymer composition for a binder for an electrochemical device, capable of improving cycle characteristics of an electrochemical device and reducing or preventing gas generation, and a binder for an electrochemical device, an electrode mixture, an electrode, and a secondary battery each containing the composition. Provided is a tetrafluoroethylene-based polymer composition for use in a binder for an electrochemical device, containing a tetrafluoroethylene-based polymer containing 4 or less carboxy groups per 10<6> main chain carbon atoms.
Absstract of: EP4826856A1
An insulation sheet according to one embodiment of the present disclosure is an insulation sheet disposed between a first battery cell and a second battery cell, comprising: an insulation pad portion; and a packaging member that wraps around the entire outer surface of the insulation pad portion, wherein: the packaging member comprises a body surface covering the front and rear surfaces and the upper and lower surfaces of the insulation pad portion and a pair of extension surfaces covering both ends of the insulation pad portion, one end of the pair of extension surfaces is connected to the body surface covering the rear surface of the insulation pad portion, the other end of the pair of extension surfaces passes both ends of the insulation pad portion and extends to both ends of the body surface covering the front surface of the insulation pad portion, and the first battery cell is disposed between the other ends of the pair of extension surfaces, and the second battery cell is disposed on the rear surface of the insulation pad portion.
Absstract of: EP4826160A2
The present invention provides a coating device comprising: a coater head; an accommodation chamber which is positioned inside the coater head and accommodates a coating solution; an ultrasonic wave generation unit which is positioned inside the coater head and applies ultrasonic waves to the coating solution accommodated in the accommodation chamber; and a coating bar which transfers the coating solution from the accommodation chamber onto at least one surface of a substrate transferred in one direction.
Nº publicación: EP4823981A1 21/10/2026
Applicant:
NOVONIX ANODE MAT LLC [US]
Novonix Anode Materials LLC
Absstract of: WO2025128396A1
Continuous production of agglomerated particles may be accomplished with the mixing of primary particles and an agglomeration binder or solution in a continuous kneader. The continuous kneader may mix the primary particles and the agglomeration solution as they are conveyed along the length of the continuous kneader from a first end to a second end to produce agglomerated secondary particles, wherein internal temperature along the length of the continuous kneader is maintained at a temperature below about 500°C. The shearing forces or shear gap within the continuous kneader may be adjusted to produce size-controlled agglomerated particles.
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