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1532
results.
Updated on
18/03/2026 [07:26:00]
Results 200 to 225 of 1532
Absstract of: WO2026054449A1
The purpose of the present invention is to provide an apparatus and a method for separating two electrode plates for a secondary battery. According to the present invention, the apparatus for separating two electrode plates for a secondary battery comprises: a pickup main frame (130); and a pickup inversion unit supported by the pickup main frame (130) and configured to pick up one electrode plate (10) among multiple electrode plates (10) stacked in a stack magazine (132) of the pickup main frame (130) and invert the one electrode plate (10). In the present invention, unlike the prior art, electrode plates can be reliably picked up one at a time rather than two at a time, thereby solving the problem of disruptions occurring in the pickup and placement process of secondary battery electrode plates, and further solving the problem of disruptions occurring in the overall manufacturing process of a secondary battery.
Absstract of: WO2026054441A1
A tension control system of a roll-to-roll facility, according to an embodiment of the present invention, may comprise: an unwinder provided to unwind a substrate; a re-winder provided to wind the substrate; and transfer rolls arranged between the unwinder and the re-winder to guide movement of the substrate. In addition, the tension control system of a roll-to-roll facility may comprise: a friction coefficient measurement unit including a measurement roll having a sensor provided on the surface thereof, wherein the measurement roll is arranged between the transfer rolls to measure a friction coefficient due to friction with the moving substrate; a dancer roll provided to guide the movement of the substrate while moving up and down in a direction perpendicular to the width direction of the substrate so that the tension of the substrate is changed; and a tension controller provided to control the operation of the dancer roll on the basis of the measured value of the friction coefficient measurement unit.
Absstract of: WO2026052108A1
Provided in the present invention is a preparation method for a multilayer reinforced alkali-water composite separator, comprising the following steps: step S1: preparing raw materials, the raw materials comprising polysulfone, zirconium dioxide, polyethylene glycol, polyvinylpyrrolidone, potassium chloride, methylpyrrolidone and a PEEK woven mesh; step S2: preparing a slurry; and step S3: preparing a separator. The present invention has the following beneficial effects: a PEEK woven mesh is used as a reinforced skeleton layer, the melting point of a PEEK material is 340°C, while the melting point of pps is about 280°C, such that the heat resistance of the PEEK material is significantly higher than that of a pps mesh cloth, and for future application in high-temperature alkaline electrolytic cells (>100°C), the heat resistance and safety of separators are greatly improved.
Absstract of: WO2026051580A1
Disclosed in the present application are a battery cell, a battery device, and an electric device. The battery cell comprises a housing, an electrode assembly, and a first electrode terminal and a second electrode terminal having opposite polarities. The housing has a first wall, wherein the first wall is made of steel, and the thickness of the first wall is greater than or equal to 0.2 mm and less than or equal to 1.5 mm. The electrode assembly is disposed inside the housing. In a first direction, the first electrode terminal and the second electrode terminal are spaced apart on the first wall, and the first electrode terminal and the second electrode terminal are electrically connected to the electrode assembly; the first direction is the lengthwise direction of the first wall. In the first direction, the center-to-center distance between the first electrode terminal and the second electrode terminal is a, and the length of the first wall is b, satisfying 40%≤a/b≤90%. The technical solution provided in the present application can effectively improve the reliability of the battery device.
Absstract of: WO2026051513A1
The present application relates to the technical field of batteries, and specifically relates to a silicon-carbon composite material, and a preparation method therefor and the use thereof. The silicon-carbon composite material of the present application comprises a silicon nanosheet and a composite carbon structure located on the surface of the silicon nanosheet, wherein the composite carbon structure comprises a carbon framework and S, and the carbon framework and S form an S-C bond. The silicon-carbon composite material of the present application has great structural stability, can improve the ion and electron conductivity of a silicon negative electrode, and forms a three-dimensional ion- and electron-conducting path inside the silicon negative electrode, thereby ameliorating the problem of capacity attenuation of a pure silicon negative electrode during a cycling process, so as to achieve stable long-cycling performance and obtain a high capacity retention rate.
Absstract of: WO2026054446A1
The present invention relates to a cathode active material, and a cathode and a lithium secondary battery comprising same, the cathode active material comprising: an olivine-structured lithium iron phosphate-based compound; and a coating part, which is formed on the lithium iron phosphate-based compound and includes carbon and nitrogen, wherein value (X1) according to formula 1 described in the present specification is 0.930 or greater and value (X2) according to formula 2 described in the present specification is 0.0064-0.0107.
Absstract of: WO2026054403A1
According to exemplary embodiments of the present invention, a pack housing is provided. The pack housing comprises: a base plate which intersects a first direction; a cooling channel which is in the base plate and includes a sub-flow path and a main flow path for supplying cooling water to the sub-flow path; and a blocking member which is inside the sub-flow path, wherein the blocking member may include a bimetal part comprising a first metal and a second metal which are arranged in a second direction that intersects the first direction and which have different coefficients of thermal expansion.
Absstract of: US20260074297A1
Carbon batteries are attractive from an environmental perspective, as they have carbon-only electrodes and are therefore metal-free. The current invention refers to secondary carbon batteries with water-based brine electrolytes. These electrolytes have low toxicity, are not flammable, and allow for easy on-site battery recycling. The operating voltage of the inventive secondary carbon batteries can reach up to 1.8 V. These carbon batteries are best suited for electric storage utilities in renewable energy installations.
Absstract of: US20260074235A1
An electrode and a secondary battery are disclosed. An electrode includes a substrate, and a coating layer including a first coating layer coated on a side of the substrate in a first direction, and a second coating layer coated on another side of the substrate in a second direction, and the coating layer includes a first layer and a second layer located on the first layer and defining a step with the first layer.
Absstract of: US20260074223A1
Disclosed is a negative electrode for a lithium secondary battery that enables the provision of a lithium secondary battery having a higher energy density and can fundamentally prevent the electrolyte decomposition reaction and the lithium dendrite formation, a method for manufacturing the same and a lithium secondary battery including the same.
Absstract of: US20260074266A1
An apparatus (100) for making a coil (B) comprises a feed unit (2) configured to feed at least one strip-shaped article (N) and a winding unit (1). The winding unit includes a plurality of winding heads (10) and a movement device (3) of said winding heads (10) configured to displace said winding heads (10) along a working path (P). Each winding head (10) is configured to wind said strip-shaped article (N) so as to make said coil (B) and is movable along said working path (P). The feed unit (2) comprises a movable portion (20) configured to be displaced along a substantially horizontal displacement direction (d).
Absstract of: US20260074277A1
The present disclosure relates to a solid-state battery cell and methods for its manufacture. The battery cell includes a silicon-based anode with a sulfide anolyte, a nickel cobalt manganese cathode with an oxychloride catholyte, and a bi-layer solid electrolyte separator that is positioned between and in direct contact with the anode and the cathode. The separator includes a first layer of sulfide-type solid electrolyte adjacent to the anode and a second layer of oxychloride-type solid electrolyte adjacent to the cathode.
Absstract of: US20260074392A1
Battery cells, including a connection point for electrically contacting the battery cell by a cell connector, wherein a surface of the connection point facing away from the battery cell has an inner section, an outer section, and a bending point at which the inner section merges into the outer section, and wherein the outer section of the surface descends with respect to the bending point, are provided. Systems including a battery cell and a cell connector corresponding to the battery cell, wherein the cell connector has a respective contact surface for electrical contacting of the battery cell, and the respective contact surface of the cell connector has a deformation that deviates from a plane in a predetermined manner, are further provided. Methods for producing a battery cell assembly are further provided.Battery cell assemblies are further provided.
Absstract of: US20260074400A1
The present disclosure provides a bonding structure, a bonding method, an insulating adhesive tape, and a battery. The insulating adhesive tape includes a first bonding area and a second bonding area disposed at intervals, and a non-bonding area disposed between the first bonding area and the second bonding area. The first bonding area is configured to bond a cell, the second bonding area is configured to bond a welding area formed by a tab of the cell and a current collector, and the non-bonding area is configured to correspond to a bending area of the tab.
Absstract of: US20260074380A1
Sealed busbar assemblies are provided for use within traction battery packs. An exemplary sealed busbar assembly may be configured to electrically connect a first battery array and a second battery array of the traction battery pack. Primary seals and secondary seals of the sealed busbar assembly may cooperate to seal high voltage connections relative to both the first battery array and the second battery array. The high voltage connections may be established by the busbar, a pair of fasteners, and high voltage array busbars of both the first battery array and the second battery array.
Absstract of: US20260074360A1
A battery pack for housing a plurality of cell assemblies includes a pack case providing a space for a cell assembly to be seated. The pack case includes: a base plate supporting the lower part of a cell assembly; and a hollow-structured side wall coupled along a border of the base plate to support a side part of the cell assembly. The side wall includes: a gas flow path through which gas can move therein; and a through-hole formed on the gas flow path such that the gas flow path communicates with a space in the pack case, the side wall being coated with a protective layer including at least one among an insulating material and a flame retardant on the inside.
Absstract of: US20260074373A1
The disclosure provides a battery, including a first electrode plate and a separator, the first electrode plate including a first current collector and a first coating located on a surface of the first current collector. The first coating is connected to the separator; and a surface of the first coating is provided with a recess, and an air permeability S of the separator and a width L of the recess satisfy: 5000 μm·sec/100 cc≤S×L≤75,000 μm·sec/100 cc, where S is in sec/100 cc and L is in μm. The disclosure can improve the rate capability of the battery while reducing the voltage drop of the battery and reducing the risk of short circuit.
Absstract of: AU2024334802A1
Complex materials which contain a mix of metals are processed to recover valuable metals present where the materials are roasted under conditions in which the metals form compounds that can be dissolved in dilute acid and/or water and/or ammonia containing alkaline solutions from which the metals can be recovered as marketable products while leaving unwanted impurity elements such as arsenic and radionuclides in an inert residue for disposal.
Absstract of: WO2026051328A1
The present application relates to the technical field of batteries, and discloses a cover plate assembly and a battery. The cover plate assembly comprises a cover plate, poles, sealing rings, and welding rings. The outer contour of a first pole section of each pole is larger than that of a second pole section thereof; the first pole section is limited on a first side of the cover plate; and the welding rings are arranged on a second side of the cover plate and are welded on the corresponding second pole sections. The cover plate assembly can be assembled simply by welding the welding rings on the second pole sections, so that the assembly process is simple. The value range of the welding penetration depth A of a welding seam is limited to be 1.2 PM/D≤A≤0.8 T, and the welding penetration depth is associated with the full-life-cycle pressure P of the sealing ring, the ratio M of the contact area of the sealing ring and the welding ring to the perimeter of the inner ring of the welding ring, the shearing strength D of the welding seam, and the thickness T of the welding ring, so that sufficient welding strength can be ensured, and the sealing rings can be prevented from being melted, ensuring airtightness, controlling product quality by controlling the welding penetration depth.
Absstract of: WO2026052014A1
The present application relates to the technical field of batteries. Disclosed are a new cylindrical battery cell module and a battery cell module stacking method. The new cylindrical battery cell module comprises an outer case, battery cell assemblies and a liquid cooling mechanism, wherein a plurality of battery cell assemblies are arranged inside the outer case, adjacent battery cell assemblies being connected to each other via structural adhesive; the liquid cooling mechanism is arranged in each battery cell assembly or between every two adjacent battery cell assemblies; and a plurality of lifting holes are provided on the outer wall of the outer case. In the present application, the battery cell module comprises a plurality of stacked battery cell assemblies, which are connected to each other via structural adhesive, thereby improving the strength of the battery cell module, while also avoiding common technical defects in the foam adhesive process such as adhesive leakage, adhesive overflow, and low pass rates in foam quality.
Absstract of: WO2026051223A1
The present invention belongs to the technical field of negative electrode materials for lithium-ion batteries, and provides a porous silicon-carbon negative electrode material coated with a fast ion conductor and a preparation method therefor. The preparation method in the present invention comprises: pre-carbonizing a resin in a nitrogen atmosphere to obtain a carbon precursor; crushing the carbon precursor, then subjecting same and an alkali to solid-phase mixing, and sequentially performing an activating treatment and acid pickling on the mixture, so as to obtain a porous carbon material; preparing nano-silicon on the surface of the porous carbon material by subjecting a silane compound to a deposition reaction, so as to obtain a nano-silicon-deposited porous carbon substrate; introducing a carbon source gas under a protective gas atmosphere to perform chemical vapor deposition on the nano-silicon-deposited porous carbon substrate, so as to obtain a silane-deposited porous carbon composite material; and mixing the silane-deposited porous carbon composite material, a metal salt, a phosphate solution and an alkaline precipitant, and then sequentially performing a reflux reaction and a calcination treatment, thereby obtaining a porous silicon-carbon negative electrode material coated with a fast ion conductor. The silane-deposited porous carbon negative electrode material coated with a fast ion conductor prepared in the present invention has a stable structure, a high capaci
Absstract of: US20260074301A1
A modified solid electrolyte, a preparation method thereof, a solid-state battery, and an electric apparatus are disclosed. Components of the modified solid electrolyte include a solid electrolyte substrate and a phase-transforming toughening agent dispersed within the solid electrolyte substrate; and in the modified solid electrolyte, the phase-transforming toughening agent is primarily dispersed at grain boundaries of the solid electrolyte; where the phase-transforming toughening agent is capable of phase transformation under the action of an external force.
Absstract of: US20260074300A1
A structure for electrochemical cells includes a conductive sheet, a layer of conductive nanomaterial, such as carbon nanotubes, on the sheet's surface, and a dry, ionically conductive adhesive, comprising a solid electrolyte interphase (SEI), binding the nanomaterial. A method forms the structure by coating a conductor with the nanomaterial, wetting it with an electrolyte solution, and decomposing the electrolyte, often via electrode contact, to create the SEI. The SEI enhances mechanical resilience and uniform lithium plating, reducing safety risks in lithium-metal batteries. The scalable process simplifies electrode fabrication, supporting high-performance, durable anodes for electrochemical applications.
Absstract of: US20260074298A1
The present disclosure provides a technique for making an electrolytic solution efficiently osmose into an electrode assembly. A herein disclosed electricity storage device includes a case having a liquid injection part, an electrode assembly, a resin film surrounding the electrode assembly, and an electrolytic solution. The case includes a bottom wall, an upper wall, and a first side wall. The liquid injection part is provided at a position closer to the upper wall of the first side wall. The resin film includes a first end part extending from one side in a predetermined direction to cover a part of a bottom part of the electrode assembly, and includes a second end part extending along the predetermined direction from a direction different from the first end part. A part of the second end part is stacked at the bottom wall side of the case with respect to the first end part.
Nº publicación: US20260074296A1 12/03/2026
Applicant:
SK ON CO LTD [KR]
SK On Co., Ltd
Absstract of: US20260074296A1
An electrode assembly, and a battery cell and a power source including the same are provided. The electrode assembly includes a first electrode plate wound about a winding axis and including a first uncoated portion without a first electrode active material coated thereon, a second electrode plate wound about the winding axis and including a second uncoated portion without a second electrode active material coated thereon, a separator disposed between the first electrode plate and the second electrode plate, and a plurality of segments formed on at least one of the first uncoated portion or the second uncoated portion. The plurality of segments are arranged such that at least one bottom angle is changed in a winding direction.
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