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891
resultados
Última actualización
16/08/2025 [07:10:00]
Resultados 425 a 450 de 891
Resumen de: WO2025162389A1
A negative electrode active particle (100) and a preparation method therefor, a battery (400) and an electronic device (500). The negative electrode active particle (100) comprises: a porous carbon matrix (10), the porous carbon matrix (10) having a plurality of pores (11), and the plurality of pores (11) comprising micropores (111), mesopores (112) and macropores (113), wherein, with respect to the plurality of pores (11), the number of the micropores (111) accounts for 5% to 35%, the number of the mesopores (112) accounts for 60% to 90%, and the number of the macropores (113) accounts for 4% to 6%; and silicon particles (20), the silicon particles (20) being distributed in the plurality of pores (11). The negative electrode active particle (100) has a lower expansion rate and a higher cycle capacity retention rate.
Resumen de: WO2025162185A1
Provided in the present disclosure is a lithium-ion battery. The lithium-ion battery comprises a negative electrode sheet and a positive electrode sheet. The positive electrode sheet comprises a nickel-based positive electrode active material, a negative electrode active layer of the negative electrode sheet comprises a negative electrode active material and nickel, and the negative electrode active material comprises a silicon-carbon material and graphite. The components of the negative electrode active layer satisfies 9500≤α*d/η≤24500, wherein α is the content of nickel in the negative electrode active layer, η is the content percentage by mass of silicon in the negative electrode active layer, and d is the median particle diameter of the negative electrode active material. The negative electrode sheet comprises a carbon-silicon negative electrode active material, such that good cycle performance and safety performance can be taken into account while improving the energy density of the lithium-ion battery.
Resumen de: US2025253418A1
A direct plug-in mobile power bank including a housing, a battery, a control circuit board and a multipurpose connector; the battery and the control circuit board are installed in the housing; the control circuit board is electrically connected with the battery; the multipurpose connector includes a connector body and at least two charging connectors which are provided in the connector body and are different in connector types; the connector body is rotatably fitted with the housing; each of the charging connectors is electrically connected with the control circuit board through a connecting wire. The direct plug-in mobile power bank can charge electronic products with different charging interfaces and avoid a use defect of a charging adapter being easy to lose, and is reliable to use.
Resumen de: US2025253380A1
A configuration converter mechanism includes a locking tensioning mechanism which has a first and a second partial region. The first partial region is supported so as to be movable, by way of a translatory movement, with respect to the second partial region. The second partial region is supported so as to be movable, by way of a rotational movement, with respect to the first partial region about a first axis of rotation and, as part of this, can be transferred, by movements which include a rotation about the first axis of rotation, between different rest positions of the second partial region, which follow one another along a fixed direction of rotation and each of which are mechanically stable. The locking tensioning mechanism is set up to convert a translatory movement of the first partial region into a corresponding movement of the second partial region by means of a force coupling between the two partial regions, which movement of the second partial region.
Resumen de: US2025253408A1
Provided is an electrolyte solution capable of providing a lithium-sulfur secondary battery that has excellent cycle characteristics and that is less likely to generate gas. The electrolyte solution is intended to be used in a lithium-sulfur secondary battery that includes: a positive electrode containing a sulfur-containing electrode active material that includes at least one selected from the group consisting of simple sulfur, lithium polysulfide (Li2Sn: 1
Resumen de: US2025253396A1
A nonaqueous electrolyte energy storage device according to an aspect of the present invention includes: a negative electrode including a negative active material including solid graphite; and a nonaqueous electrolyte including a compound represented by the following formula (1). In the formula (1), R1 and R2 are each independently a hydrogen atom or a hydrocarbon group, provided that the total number of carbon atoms of R1 and R2 is 3 or less.
Resumen de: US2025253476A1
A traction battery assembly includes a plurality of battery cells disposed along an array axis, a rounded endplate at an axial end of the plurality of battery cells, and a wrap spanning the rounded endplate. A method of securing a battery array includes positioning a plurality of battery cells between along an array axis between a first rounded endplate and a second rounded endplate, and compressing the plurality of battery cells between the first and second rounded endplates by winding a wrap around the first rounded endplate, the plurality of battery cells, and the second rounded endplate.
Resumen de: US2025253326A1
There is disclosed a powder for a Li-ion battery anode and its manufacture, comprising manufacturing a dispersion comprising titanium dioxide primary particles. Thereafter the dispersion comprising primary particles is spray dried or jet milled to obtain spherical secondary particles comprising the primary particles. Thereafter the powder are calcined so that the primary particles are fused together to form the secondary particles. In addition to the method the particles, a battery anode comprising the particles, a battery cell comprising the anode, a battery pack comprising the battery cells, a battery pack including a control system are provided. Advantages include high capacities and performance with very low losses in the first few cycles for the batteries. Improved control of the particle properties is possible.
Resumen de: US2025253478A1
A battery assembly of the present disclosure includes a plurality of battery cells arranged in a predetermined stacking direction, an accommodation case accommodating the plurality of battery cells, and an insertion member located in an insertion space formed between the accommodation case and the plurality of battery cells in the predetermined stacking direction, wherein the insertion member includes a body portion having a pillar shape, and an expansion portion covering at least a portion of the body portion and expanding when reaching a predetermined allowable temperature.
Resumen de: US2025253475A1
A manufacturing method of a battery pack, the manufacturing method can include seating a battery module into each module area within a pack case, coupling an upper cover to the pack case to cover an upper part of the battery module, and injecting a thermally conductive adhesive into the upper part of the battery module housed in the pack case. Additionally, any one among the upper cover and pack case can include an injection hole, and the thermally conductive adhesive can be injected into the upper part of the battery module through the injection hole to form an adhesive layer.
Resumen de: US2025253477A1
Disclosed are a battery pack and a vehicle including the same. A battery pack according to an embodiment of the present disclosure includes a battery assembly including a plurality of cell units; and a pack case accommodating the battery assembly in the internal space, wherein each cell unit includes at least one battery cell and a cell cover at least partially surrounding the outside of the at least one battery cell, wherein a venting space is provided between the cell cover and the battery cell.
Resumen de: US2025253479A1
A battery pack is disclosed. The battery pack comprises at least one part of a housing, at least one battery system arranged in the at least one part of the housing, at least one containing member contacted with the at least one part of the housing and the at least one battery system, the at least one containing member comprises a self-expendable filler material, the at least one containing member with the self-expendable filler material is contacted with the at least one part of the housing to provide stability to the battery pack and/or to the at least one battery system with respect to the at least one part of the housing.
Resumen de: US2025253402A1
An electrochemical apparatus includes a positive electrode plate and an electrolyte. The positive electrode plate includes a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material. The positive electrode active material includes a lithium composite oxide. The lithium composite oxide includes the lithium element and at least one element selected from the cobalt element, the nickel element, the manganese element, and the aluminum element. A surface layer of the positive electrode active material has a rock salt phase structure and includes the tungsten element. Based on a total mass of the positive electrode active material, a mass percentage of the tungsten element is B, where 0.01%≤B≤1%. The electrolyte includes an ionic liquid represented by a formula R:
Resumen de: US2025253461A1
Disclosed are a battery box and a battery pack applying the same. The battery box includes a bottom plate, a lateral plate, a lower support, a partition, and an upper support, in which a top surface of the bottom plate is provided with a first protrusion, the lateral plates are provided perpendicular to the bottom plate on two opposite edges of the bottom plate, an interior side of the lateral plate is arranged with a first snap-block and a second snap-block along an extension direction, two opposite ends of the lower support are provided on the first snap-block respectively, two opposite ends of the partition are fixedly connected to the second snap-block respectively, a top of the partition is provided with a second protrusion, and two opposite ends of the upper support are provided on the second snap-block respectively.
Resumen de: US2025253467A1
A battery device includes a cell assembly, including a first battery cell and a second battery cell, stacked in a first direction. The first battery cell and the second battery cell respectively include a receiving portion in which an electrolyte and an electrode assembly are received within a case, and a plurality of extension portions protruding outwardly from the receiving portion in the first direction. The second battery cell is disposed to contact at least one of the extension portions of the first battery cell.
Resumen de: US2025253314A1
The disclosure relates to a silicon-carbon composite material comprising a porous carbon scaffold comprising micropores and mesopores and a total pore volume of more than 0.5 cm3/g; a silicon content between 30% and 70%, including 30% and 70%; and a surface area with at least partially applied first surface coating comprising at least one of the elements of Li, B, Al, Si, P, Ti, Zr, Nb and/or W. Furthermore, the disclosure relates to a method for manufacturing such a surface-coated silicon-carbon composite material, to an anode electrode and to an electrochemical storage device.
Resumen de: US2025253410A1
The present disclosure provides an electrode stack with a protective member disposed on a side section, which is resistant to peeling, as well as a battery comprising the electrode stack which is resistant to interference between the collector terminal and protective member and also has satisfactory structural efficiency. The electrode stack 10 of the disclosure is formed by stacking a plurality of preliminary electrode stacks 10′. The locations of the third and/or fourth side sections of those do not mutually match in the in-plane direction of the electrode stack, (i) the protective member 20 extends at least partway between the third side section of the innermost preliminary electrode stack and the third side section of the outermost thereof, and/or (ii) the protective member extends at least partway between the fourth side section of the innermost preliminary electrode stack and the fourth side section of the outermost thereof.
Resumen de: WO2025163537A1
An apparatus and a method for applying end plates (T), preferably for electrochemical cells in the manufacture of batteries, wherein a plurality of internal assemblies, in particular coils (B), are transported along a work path (C), the end plates (T) being intended to be applied to a respective coil target end, and wherein it is provided that, at each target end of said coils (B), a jaw (50), integral with the motion of the corresponding coil (B), is configured to retain a single end plate (T) in a predefined position in proximity to said target end and at a predetermined distance therefrom, and wherein, subsequently, said end plate (T) is translated towards said target end in such a way as to cause the end plate to adhere thereto.
Resumen de: US2025253469A1
A protective device (100) for arranging on an impact-sensitive element (102), for example on a battery element (106), wherein the protective device (100) comprises the following: a wall element (108) and an adaptation element (116) arranged on the wall element (108).
Resumen de: US2025253325A1
In one aspect, a battery is provided having an anode, a cathode and an electrolyte between the anode and the cathode. The anode includes an anode body is formed of a magnesium alloy having a percent by weight ratio in the range of about 77.0-99.8% wt. magnesium, 0.1-8.0% wt. aluminum, 0.1-5.0% wt. zinc, 0-5.0% wt manganese, and 0-5.0% wt. iron. The cathode includes a cathode body.
Resumen de: US2025253327A1
A lithium ion battery and an electricity-consumption device are provided. The electrolyte includes a borate-based additive. A mass fraction w1 of the borate-based additive in the electrolyte satisfies 0.01%≤w1≤2%.
Resumen de: US2025253413A1
A method for producing a lithium ion power storage device includes a step of forming a cylindrical cell and a step of accommodating the cylindrical cell in a casing. In the step of forming the cylindrical cell, the electrode foil and the separator are wound while applying tension in an extension direction to the laminated electrode foil and separator. In the step of forming the cylindrical cell, the cylindrical cell is formed by winding the electrode foil and the separator into a cylindrical shape. In the step of accommodating the cylindrical cell in the casing, the cylindrical cell is accommodated in a tubular casing together with an electrolytic solution. In the step of forming the cylindrical cell, a cylindrical cell in which a pressure of 0.5 MPa or more and 0.7 MPa or less is applied between the electrode foils facing each other via the separator is formed.
Resumen de: US2025253409A1
A manufacturing method of a solid-state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer disposed between the cathode layer and the anode layer and that also uses a deposition-dissolution reaction of metal lithium, wherein one surface of the solid electrolyte layer is a film forming face, and a protective layer having Li ion conductivity is formed on the film forming face. A step of obtaining a laminate in which the anode layer, the protective layer, and the cathode layer are laminated in this order after the film forming step, and pressing the laminate. The protective layer is formed so that an area of the protective layer is smaller than an area of the solid electrolyte layer when the laminate is viewed from the anode layer side.
Resumen de: US2025253407A1
An electrolyte for sodium secondary battery, a sodium secondary battery, a battery module, and an electric apparatus. The electrolyte for sodium secondary battery includes a sodium salt, an ether solvent, and a fluoroether solvent. The electrolyte includes ether solvent molecules and fluoroether solvent molecules that form a co-solvation structure with sodium ions.
Nº publicación: US2025253312A1 07/08/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: US2025253312A1
An all-solid-state lithium-ion secondary battery includes a positive electrode, a negative electrode, and a solid electrolyte between the positive electrode and the negative electrode. The negative electrode has a negative electrode current collector and a negative electrode active material layer that comprises a carbon material and Ag.
BOPI
Sede Electrónica
