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388
results.
Updated on
15/11/2026 [07:48:00]
Results 250 to 275 of 388
Absstract of: US20260360825A1
This nonaqueous electrolyte secondary battery is characterized by comprising an electrode body which is obtained by winding a positive electrode and a negative electrode with a pair of separators being interposed therebetween, and is also characterized in that: the negative electrode has a non-facing part that does not face the positive electrode; the non-facing part is wound with 1.5 turns or more from the inner end of the electrode body in the winding direction; the pair of separators comprises a base material layer and a functional layer that is formed on the base material layer; the functional layer comprises a heat-resistant layer that contains inorganic particles, and resin particles that are dispersed in the heat-resistant layer and have an average particle diameter that is larger than the thickness of the heat-resistant layer; the resin particles form projected parts that protrude from the surface of the heat-resistant layer.
Absstract of: US20260361112A1
There is a demand for an information processing device capable of maintaining, as long as possible, a state in which a decrease in the processing speed of a CPU due to heat generation hardly occurs. Therefore, proposed is an information processing device including a secondary battery, and the information processing device includes a measurement unit that measures a remaining amount of the secondary battery, a determination unit that determines whether or not the remaining amount is equal to or more than a first threshold and determines whether or not a specific application is in a foreground state, and a charge control unit that stops charging the secondary battery by using an external power supply in a case where the remaining amount is equal to or more than the first threshold and the specific application is in the foreground state.
Absstract of: US20260360762A1
Disclosed is a method for manufacturing a negative electrode current collector that includes the steps of preparing an electrolytic copper foil, and applying a compressive residual stress to both ends of the electrolytic copper foil in the machine direction.
Absstract of: US20260360801A1
An electrode assembly for a cylindrical lithium secondary battery includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode are wound in one direction. The positive electrode includes a positive electrode current collector and a positive electrode active material layer, wherein the negative electrode includes a non-coated portion in which a negative electrode active material layer is not formed on the negative electrode current collector, and a coated portion in which a negative electrode active material layer is formed on the negative electrode current collector, wherein the coated portion includes a first region where the thickness of the negative electrode active material layer is constant, and a second region where the thickness of the negative electrode active material layer decreases, and wherein the electrode assembly satisfies the following Equation (1):t≥a(b+2c) Equation (1):
Absstract of: US20260355789A1
A cleaning device for cleaning a battery cell according to an embodiment of the present disclosure includes a cleaning disk configured to mount a plurality of battery cells at predetermined intervals and to be rotatable around the central rotation center, an inner cleaning nozzle provided in a direction toward the rotation center of the cleaning disk with respect to the cleaning disk, and an outer cleaning nozzle provided in a direction opposite to the inner cleaning nozzle with respect to the cleaning disk.
Absstract of: US20260360796A1
Disclosed are an electrode assembly inspection device, a battery cell including an electrode assembly produced using the same, and a battery pack and a vehicle including the battery cell. An electrode assembly inspection device according to an embodiment of the present disclosure, which is a device for inspecting an electrode assembly of a battery cell, includes a winding roll where a negative electrode, a first separator, a positive electrode, and a second separator are wound; a first inspection unit spaced apart from the negative electrode and disposed to face at least one of a first end of the negative electrode and a second end of the negative electrode; a second inspection unit spaced apart from the positive electrode and disposed to face at least one of a first end of the positive electrode and a second end of the positive electrode; and a control unit determining whether the electrode assembly is defective based on the inspection result from at least one of the first inspection unit and the second inspection unit.
Absstract of: US20260360719A1
A battery case, and an electrode assembly and an electrolyte accommodated in the battery case. The electrode assembly includes a positive electrode, the loading amount of a positive electrode active material layer included in the positive electrode is 9.4 mg/cm2 or less, and the positive electrode active material layer includes a first positive electrode active material and a second positive electrode active material, and the second positive electrode active material has a smaller average particle diameter D50 than the first positive electrode active material.
Absstract of: US20260356691A1
Disclosed herein is a process for the preparation of NiO particles including the step of a0) contacting a Ni(CO)4 gas stream having a temperature of less than 100 °C with an oxidizing gas stream to directly yield NiO particles in the product stream of a reactor.
Absstract of: US20260360858A1
Provided are a liquid cooling module and a lithium battery assembly. The liquid cooling module includes: a battery cell module, including liquid cooling plates, and a plurality of battery cells sequentially arranged in a first direction, wherein each of the liquid cooling plates includes cooling flow channels, and a liquid inlet and a liquid outlet communicated with the cooling flow channels; a first end plate and a second end plate, located on two opposite sides of the battery cell module in the first direction; fastening structures, penetrating through the first end plate and the second end plate; and pre-tightening force adjusting structures, each connected to one end of a corresponding fastening structure penetrating out of the second end plate, and each of the pre-tightening force adjusting structures having a first position and a second position.
Absstract of: US20260360712A1
The method for manufacturing anode materials of a lithium metal battery according to the present invention includes the steps of preparing a current collector substrate foil; pretreating the first surface of the current collector substrate foil by coating graphene thereon using a wet or dry method; pretreating the second surface, which is the opposite side of the current collector substrate foil, by coating graphene thereon using a wet or dry method; forming an anode material by laminating a lithium metal foil onto both sides of the graphene-pretreated substrate using a press roll; and winding the laminated anode material.
Absstract of: US20260360813A1
A coated hybrid electrode for a composite solid-state battery cell is disclosed. Systems and methods are further provided for forming an electrolyte coating including a solid ionically conductive polymer material in the coated hybrid electrode. In one example, the coated hybrid electrode can include an anode material coating, the solid polymer electrolyte coating, and a cathode material coating, such that the solid polymer electrolyte coating can function as a separator coating between the anode material coating and the cathode material coating, thus eliminating a need for a conventional battery separator. In some examples, a slurry-based coating process can be utilized for forming the solid polymer electrolyte coating. As such, the solid polymer electrolyte coating can be mechanically robust with uniform thickness. Further, a battery cell can be formed by utilizing a sub-assembly stacking technique to provide battery cell stiffness and increase precision and accuracy of coating.
Absstract of: US20260360695A1
A method for manufacturing a lithium secondary battery includes preparing a battery cell including a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a lithium-rich manganese-based oxide in which a content of manganese in all metals excluding lithium is greater than 50 mol %, and a ratio of a number of moles of lithium to a number of moles of all metals excluding lithium (Li/Me) is greater than 1. The method further includes charging and discharging the battery cell at least one or more times to activate the battery. Activating the battery cell includes charging the battery cell from SOC 5 to 60 at a C-rate ranging from 0.6 to ~1.0 C, charging it at a C-rate of 0.3 C~0.6 C in an interval ranging from SOC 60 to 100, and then performing discharging once.
Absstract of: US20260360882A1
A cylindrical battery cell (100) is provided. The cylindrical battery cell comprises a cylindrical can (107) for housing an electrode roll (106), the cylindrical can comprising a beading groove (110) formed in a wall of the cylindrical can and arranged around the circumference of the cylindrical and a clamping portion (111) between the beading groove and the edge of the cylindrical can, and a lid (130) configured to close an open end of the cylindrical can. The lid is arranged to form an electrical connection from the electrode roll to the cylindrical can, by electrical contact of the lid with the can at the clamping portion.
Absstract of: US20260360722A1
A lithium secondary battery and urban air mobility vehicle including the lithium secondary battery. The lithium secondary battery includes: (1) a positive electrode including a positive electrode current collector and a positive electrode active material layer formed on at least one surface of the positive electrode current collector, and having a loading amount of 2.5 mAh/cm2 to 3.8 mAh/cm2; (2) a negative electrode including a negative electrode current collector and a negative electrode active material layer formed on at least one surface of the negative electrode current collector; and (3) a separator interposed between the positive electrode and the negative electrode. The lithium secondary battery takes 10 seconds or more to reach SOC 0% when discharged for 15 seconds under a 900 W constant output condition at SOC 35% and then discharged under a 1,000 W constant output condition.
Absstract of: US20260360958A1
Disclosed are a cylindrical battery cell cleaning device, a cylindrical battery cell produced using the same, and a battery pack and a vehicle including the cylindrical battery cell. A cylindrical battery cell cleaning device according to an embodiment of the present disclosure includes a rotating member coupled to a cell carrier on which a cylindrical battery cell is seated and rotating by being coupled to a rotating shaft; a fixing member disposed on the outside of the rotating member and in contact with the cell carrier so that the cell carrier rotates in conjunction with the rotation of the rotating member when the rotating member rotates; and a spraying member that sprays cleaning water toward the cylindrical battery cell seated on the cell carrier.
Absstract of: US20260360693A1
A method for rolling an electrode may include (a) measuring the temperature and speed of the rolling roll; (b) deriving a target load value under the measured temperature and speed; and (c) rolling the electrode with the target load value. T the target load value may be a load value for realizing a desired electrode thickness at the time of rolling the electrode.
Absstract of: US20260360740A1
In the present invention, a negative electrode for a secondary battery is characterized by comprising a negative electrode current collector and a negative electrode mixture layer provided on the negative electrode current collector, and is characterized in that: the negative electrode mixture layer has a negative electrode active substance and a dicarboxylic acid component that includes a dicarboxylic acid and/or an anhydride thereof; and if the negative electrode mixture layer is divided into two equal parts in the thickness direction to form a lower half region on the negative electrode current collector side and an upper half region on the surface side, the content (CA) of the dicarboxylic acid component in the lower half region and the content (CB) of the dicarboxylic acid component in the upper half region satisfy the relationship CA>CB.
Absstract of: US20260360732A1
An all-solid-state battery in which a decrease in cycle performance due to an increase in interface resistance during charging and discharging is suppressed. An all-solid-state battery 10 includes a positive electrode layer 11 containing a positive electrode active material, a negative electrode layer 12 containing a negative electrode active material, and a solid electrolyte layer 13 which is formed between the positive electrode layer 11 and the negative electrode layer 12 and contains a solid electrolyte, and performs charging and discharging by a conversion reaction, in which an absolute value of a difference (Ep)−(En) between an actual expansion ratio (Ep) of the positive electrode layer 11 calculated by Formula (1) below and an actual expansion ratio (En) of the negative electrode layer 12 calculated by Formula (2) below is 10% or less. Actual expansion ratio of positive electrode layer (Ep)=Expansion coefficient of positive electrode layer×Thickness ratio of positive electrode layer (1). Actual expansion ratio of negative electrode layer (En)=Expansion coefficient of negative electrode layer×Thickness ratio of negative electrode layer (2).
Absstract of: AU2026260989A1
Abstract Various embodiments provide a battery, a bulk energy storage system including the battery, and/or a method of operating the bulk energy storage system including the battery. In various embodiment, the battery may include a first electrode, an electrolyte, and a second electrode, wherein one or both of the first electrode and the second electrode comprises direct reduced iron (“DRI”). In various embodiments, the DRI may be in the form of pellets. In various embodiments, the pellets may comprise at least about 60 wt% iron by elemental mass, based on the total mass of the pellets. In various embodiments, one or both of the first electrode and the second electrode comprises from about 60% to about 90% iron and from about 1 % to about 40 % of a component comprising one or more of the materials selected from the group of SiO2, Al2O3, MgO, CaO, and TiO2. Abstract ct c t b s t r a c t
Absstract of: US20260360939A1
The present invention relates to a battery cell, and more particularly, to a battery cell, in which a protruding direction of a lead is changed to reduce a length of a battery module, a busbar is freely designed by utilizing a wider space than an existing space, a width of a tab is maximized to effectively achieve a current density and heat generation, and a welding area of the lead and the tab are enlarged rather than the existing welding area so that the lead and the tab are stably coupled.A battery cell according to the present invention includes an electrode, an electrode tab disposed on each of both ends of the electrode in a first direction, and an electrode lead coupled to the electrode tab to extend in a second direction perpendicular to the first direction.
Absstract of: US20260360874A1
A pouch film laminate includes a base layer, a gas barrier layer, and a sealant layer, which are sequentially stacked. The base layer includes a first base layer and a second base layer. The second base layer is disposed between the first base layer and the gas barrier layer, and the second base layer includes a polyamide-based film and metal oxide particles. A pouch type secondary battery includes: a pouch type battery case that includes the pouch film laminate, and an electrode assembly accommodated in the pouch type battery case.
Absstract of: US20260355848A1
An ultrasonic welding device includes a horn configured to press a first member to ultrasonically weld the first member and a second member. The horn includes a knurled portion having a plurality of protrusions configured to protrude toward the first member to produce an uneven shape in the first member. The shape of a protrusion located in an outermost area of the knurled portion is different from the shape of a protrusion located in an inner area of the knurled portion.
Absstract of: US20260360797A1
A carrier according to an embodiment of the present disclosure includes a center pin that penetrates the winding center hole of the electrode assembly defining a core and an outer circumferential surface by winding the first and second electrodes and the separator interposed therebetween around the winding axis, and extends in a direction parallel to the winding axis of the electrode assembly; a support located below the center pin and supporting the electrode assembly from below; and a base located below the support and including at least one pair of bearings configured to be rotatable on a flat surface perpendicular to the winding axis.
Absstract of: US20260360805A1
The present invention provides a novel NASICON-based oxide exhibiting high Na ion conductivity and a method for producing the same. The present invention further provides a solid electrolyte and a power storage device using the oxide. An oxide satisfying the following formula (1). Na3+2x+y+αM1xM2yM3zZr2−x−y−zSi2+αP1−αO12 - - - (1) (in the formula (1), M1 contains an element to be a divalent cation, M2 contains an element to be a trivalent cation containing Al, M3 contains an element (excluding Zr and Si) to be a tetravalent cation, and x, y, z, and a satisfy x≥0, 0
Nº publicación: US20260360790A1 12/11/2026
Applicant:
GIESECKE DEVRIENT CURRENCY TECH GMBH [DE]
GIESECKE+DEVRIENT CURRENCY TECHNOLOGY GMBH
Absstract of: US20260360790A1
A device for transporting and optionally for stacking flat electrode elements, wherein the device is designed to transport the flat electrode elements individually one after another along a transport path. The device has a spacing increasing unit arranged along the transport path of the flat electrode elements, e.g. upstream of a stacking unit, and designed to increase the spacing of the flat electrode elements, in particular to a processing spacing, by accelerating the flat electrode elements to facilitate access to individual flat electrode elements from among the flat electrode elements.
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