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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 850 a 875 de 1168
Resumen de: US20260331699A1
Provided is a battery module including a plurality of battery cells and a first fire-extinguishing cell arranged above the plurality of battery cells, and the first fire-extinguishing cell includes an upper frame and a lower frame forming a space in which a first fire-extinguishing material is accommodated, and the lower frame includes a heat-sensitive portion which opens when a heat-sensitive reaction occurs.
Resumen de: US20260331558A1
The electrode assembly according to one or more embodiments includes a first electrode, a second electrode, and a separator for separating the first electrode and the second electrode, bent to form insertion parts respectively accommodating the first electrode and the second electrode, and including a first separator part at a lowermost portion, a second separator part at an uppermost portion and bonded to the first separator part, and a third separator part between the first separator part and the second separator part.
Resumen de: US20260331520A1
Disclosed are a positive electrode for a rechargeable lithium battery, and a rechargeable lithium battery including the positive electrode. The positive electrode for a rechargeable lithium battery includes a positive electrode active material layer including a lithium nickel-based positive electrode active material, a polymer, and a linear conductive material; and a current collector supporting the positive electrode active material layer.
Resumen de: US20260331590A1
A solid electrolyte layer includes a first layer and a second layer laminated on the first layer. The first layer includes an outer peripheral region and a central region located inward of the outer peripheral region in a plane direction. A reduction resistance of the second layer is higher than a reduction resistance of the outer peripheral region and a reduction resistance of the central region in the first layer. An elongation of the outer peripheral region of the first layer at a yield point is greater than an elongation of the central region of the first layer at a yield point and an elongation of the second layer at a yield point. An ionic conductivity of the central region of the first layer is greater than an ionic conductivity of the outer peripheral region of the first layer and an ionic conductivity of the second layer.
Resumen de: US20260331665A1
A battery module, including a plurality of battery cells, a cover part covering the plurality of battery cells, and a fire-extinguishing sheet between the plurality of battery cells and the cover part, wherein the fire-extinguishing sheet includes a first region including a first fire-extinguishing material and a second region including a second fire-extinguishing material, and the second region is within the first region.
Resumen de: WO2026219391A1
Provided are a medium-nickel polycrystalline ternary positive electrode material and a preparation method therefor, a composite positive electrode material and a preparation process therefor, and a battery. The medium-nickel polycrystalline ternary positive electrode material comprises secondary particles composed of multiple polycrystalline primary particles. The medium-nickel polycrystalline ternary positive electrode material further comprises a stabilizer. The stabilizer is not only distributed at grain boundaries inside the polycrystalline primary particles, but also coats the surfaces of the polycrystalline primary particles and the surfaces of the secondary particles. The stabilizer comprises a modifying element, the modifying element including any one of or a combination of at least two of Co, Mg, Zn, W, Al, Nb, Sr, or Ba. The medium-nickel polycrystalline ternary positive electrode material not only has a relatively high withstand voltage, but also has a relatively high gram capacity and a relatively low impedance. A battery prepared from the medium-nickel polycrystalline ternary positive electrode material not only exhibits a relatively high gram capacity and a relatively low impedance at an application voltage of greater than 4.25 V, but also exhibits excellent cycle stability.
Resumen de: WO2026219297A1
A negative electrode sheet, a battery, a battery pack, and an electric device. An electrochemically active specific surface area value Cdl of the negative electrode sheet ranges from 9.8 F/m2 to 60.5 F/m2. The present disclosure can increase the electrochemically active specific surface area of the negative electrode sheet while preventing excessive formation of an SEI film on the surface of the negative electrode sheet, reducing the consumption of active ions, and improving the specific capacity of the battery, thereby improving both the fast charging capacity and the energy density of the battery.
Resumen de: US20260331692A1
A rechargeable battery, including an electrode assembly, a case accommodating the electrode assembly, the case including one or more opened portions, a cap plate coupled to each of the one or more opened portions of the case, an electrode terminal at the cap plate, a first vent portion at one of the case and the cap plate, the first vent portion being rupturable by a first rupture pressure, and a second vent portion opposite to the first vent portion, the second vent portion being rupturable by a second rupture pressure different from the first rupture pressure.
Resumen de: US20260331477A1
In general, according to an embodiment, an electrode includes a current collector containing aluminum or an aluminum alloy, and an active material-containing layer. The active material-containing layer contains particles containing a niobium titanium-containing oxide. The electrode satisfies the following expression (1): 0.08≤I1/I2≤0.25 expression (1): the I1 is an intensity of a first peak having the highest intensity within a range where 2θ is 46° or more and 48° or less in a diffraction diagram obtained by X-ray diffraction on a surface of the active material-containing layer, the I2 is an intensity of a second peak having the highest intensity within a range where 2θ is 25° or more and 27° or less in the diffraction diagram. In a cross section of the active material-containing layer along a thickness direction thereof, an average aspect ratio of the particles is 2 or less.
Resumen de: US20260331575A1
0000 A sulfide-based solid electrolyte is represented by Chemical Formula 1 below and has an argyrodite crystal structure;
0000
Li<7-a>P<1-y>M
Resumen de: WO2026219941A1
There is provided a road safety equipment battery (100) which is rechargeable and configured to be charged by a charger. The road safety equipment battery (100) comprises a housing (110) having a top surface (112), a bottom surface (114), and side surfaces (116). The road safety equipment battery (100) further comprises a rechargeable cell (120) enclosed by the housing (110), a first electric terminal (130) arranged at the top surface (112), a second electric terminal (140) arranged at the top surface (112), and a recess (150) arranged at an edge portion of the top surface (112), wherein the recess (150) is configured to accommodate a protrusion of a charger (200).
Resumen de: US20260331653A1
An electricity storage device according to an embodiment of the present disclosure includes a case, a current collector terminal (positive electrode herein), and an insulating member. The insulating member is joined to the terminal mounting hole and the current collector terminal so as to fill a gap between the current collector terminal and the terminal mounting hole of the case. The case includes a first roughened portion and a second roughened portion. The first roughened portion is provided on at least one surface that is around the terminal mounting hole so as to surround a perimeter of the terminal mounting hole, within a joining region with the insulating member. The second roughened portion is provided on at least one surface of the case that is around the terminal mounting hole, outside of the joining region with the insulating member.
Resumen de: WO2026218699A1
Disclosed in the present disclosure are a battery cell, a battery device, an energy storage device and an electric device. The battery cell comprises a casing, a terminal post assembly, and at least one electrode assembly. The casing comprises a housing having an opening on one side in a first direction and an end cap closing the opening, the end cap and the housing enclosing an accommodating cavity. The terminal post assembly is disposed on the end cap. The electrode assembly is disposed within the accommodating cavity; the electrode assembly comprises a main body portion and at least one tab assembly. The tab assembly comprises a plurality of tabs that extend from the side of the main body portion facing the end cap and are sequentially stacked. At least some tabs among the plurality of tabs are welded to the terminal post assembly. A same tab has overlapping portions in the first direction. Within a same tab assembly, the number of intersections between all the tabs and any straight line that passes through a welding area in the first direction is not greater than the total number of all the tabs.
Resumen de: WO2026219641A1
The invention relates to a method for producing a rechargeable alkali metal-metal hybrid battery or alkaline earth metal-metal hybrid battery using spent cathode active material from at least one spent alkali metal ion battery or alkaline earth metal ion battery. The invention also relates to a battery produced by this method.
Resumen de: WO2026221651A2
A system and method includes suppling power to a utility grid with a plurality of fuel cell power plants, storing power generated by the plurality of fuel cell power plants with an energy storage system including one or more batteries, and maintaining a standby state-of-charge of the one or more batteries of the energy storage system via an energy management system. The system and method further includes generating a load request to at least one of the plurality of fuel cell power plants via the energy management system, comparing the load request to a predetermined limit; and if the load request exceeds the predetermined limit, commanding the at least one of the plurality of fuel cell power plants to ignore the load request for a predetermined amount of time.
Resumen de: US20260331721A1
0000 In the present secondary battery, a current collector is a first stack in which a plurality of metal plates are stacked, the current collector includes a first region and a second region, a positive electrode tab group is joined to the first region, a positive electrode current collection portion is joined to the second region, and the current collector is bent between the first region and the second region. According to the present secondary battery, it is possible to suppress occurrence of damage to the tab group.
Resumen de: WO2026221291A1
The present invention relates to an energy storage system enabling the expansion of battery containers and an operating method thereof. More specifically, the present invention provides: an energy storage system which is optimized by using a minimum number of PCSs and a required battery container capacity by differentiating the number of battery containers linked per PCS, and in which the expansion of additional battery containers is possible after a certain period of operation without an increase in grid connection capacity until an initial design reaches the end of life; and an energy storage system enabling the expansion of battery containers and an operating method thereof, wherein the energy storage system is operated optimally by reflecting the characteristics of the battery containers after expansion, thereby minimizing investment costs while enhancing the reliability and stability of the entire energy storage system through rearrangement of the battery containers rather than simple expansion, and providing a plan for managing the battery containers that are of different ages.
Resumen de: US20260331467A1
According to one embodiment, provided is an electrode including an active material-containing layer containing an oxide active material and fibrous carbon. Luminance has periodical variance along a direction on a principal surface of the active material-containing layer. According to another embodiment, provided is a secondary battery including a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes the electrode according to the above embodiment.
Resumen de: WO2026221589A1
The invention relates to a rechargeable battery pack (10) having a coating (20) wrapped around its outer surface to enhance fire safety. The invention is characterized in that said coating (20) comprises a layer of flame-resistant fabric (21), and a layer of a polyimide-based insulating tape (22) on top of said flame-resistant fabric (21) and/or between said flame-resistant fabric (21) and the battery pack (10). It also relates to a method for producing said battery pack (10).
Resumen de: US20260331701A1
The present disclosure provides a filter structure, including a base frame having a hollow, and a filter part including a plurality of filters in the base frame to filter foreign matter in a gas, the plurality of filters having different angles with respect to a flow direction of the gas.
Resumen de: WO2026218717A1
A battery apparatus (100) and an electrical device, relating to the technical field of batteries. The battery apparatus (100) comprises a battery case body (10) and a battery cell (20) mounted in the battery case body (10); the battery case body (10) comprises a first wall (11) and a second wall (12) opposite to each other; the battery apparatus (100) comprises a middle portion (101) and side portions (102) located on two sides of the middle portion (101); the middle portion (101) is provided with a first connection structure (40), the first connection structure (40) passing through the first wall (11), an inner cavity of the battery case body (10), and the second wall (12). By means of the first connection structure (40) connecting to an electrical device, the overall structure of the middle portion (101) of the battery apparatus (100) can be connected to the electrical device, thereby improving the stability of connection between the middle portion (101) of the battery apparatus (100) and the electrical device and reducing the possibility that the middle portion (101) of the battery apparatus (100) resonates when the electrical device vibrates, and thus improving the structural stability and reliability of the battery apparatus (100).
Resumen de: WO2026219161A1
A positive electrode active material precursor and a preparation method therefor, a positive electrode active material, a secondary battery, and an electric device, relating to the field of sodium-ion battery positive electrode materials. The positive electrode active material precursor has a chemical formula of NawFexAyPzOm, wherein 0.60≤(x+y)/z≤0.90, 0
Resumen de: US20260331636A1
0000 A battery pack may include a battery cell, a cooler located below the battery cell and having a cooling channel, and a protection panel that covers the cooler from a bottom. A groove extending along the cooling channel may be provided to a lower surface of the cooler. At least one reinforcing rib protruding toward the cooler may be provided to an upper surface of the protection panel. The reinforcing rib may be accommodated in the groove of the cooler.
Resumen de: US20260331676A1
A battery pack structure includes a battery module, including a plurality of battery cells disposed arrayed in parallel in a predetermined direction, and an end plate disposed on an outer side in an array direction of the battery cells, a lower case that accommodates a lower portion of the battery module, and a module bracket that fixes the end plate to the lower case such that a gap is created between the end plate and an inner wall face of the lower case, and that also includes a bending point that bends toward the end plate side at a portion facing the end plate, and further extends from the bending point along the end plate to fashion an abutting face that faces the end plate.
Nº publicación: WO2026221056A1 22/10/2026
Solicitante:
SAIDEN CHEMICAL IND CO LTD [JP]
\u30B5\u30A4\u30C7\u30F3\u5316\u5B66\u682A\u5F0F\u4F1A\u793E
Resumen de: WO2026221056A1
The purpose of the present invention is to achieve both blocking resistance and powder dropping resistance while preventing the reduction of lithium ion permeability. The present invention comprises polymer particles and a dispersant. The polymer particles have a core-shell structure. Shell parts of the polymer particles each contain an acid group-containing monomer as a constitutional unit. The content of the dispersant is 2-18 parts by mass with respect to 100 parts by mass of monomers constituting the polymer particles. The proportion of core parts in 100 mass% of the total amount of the core parts and the shell parts of the polymer particles is 30-80 mass%. The average particle diameter D50 of the polymer particles is 300-1,500 nm, where the average particle diameter D50 is a particle diameter at which cumulative 50% in a volume-based particle size distribution measured by a laser diffraction and scattering method is achieved. The monomers constituting the polymer particles are (meth)acrylic acid alkyl ester monomers or mixtures of (meth)acrylic acid alkyl ester monomers and aromatic vinyl monomers.
BOPI
Sede Electrónica
