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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 925 a 950 de 1724
Resumen de: US20260074343A1
A battery module capable of improving NVH performance mounted on a vehicle body of an electric vehicle includes a battery casing; a plurality of cells disposed in series in a vehicle front-rear direction; and an elastic member covering at least one of an upper surface and a lower surface of each of the plural cells and coupling the cells. when an elastic modulus of the elastic member is E N/m2, cross-sectional second moment of collection of the plurality of cells and the elastic member is I m4, a total length of the plural cells in the vehicle front-rear direction is L m, and a value of tan δ as a loss factor of the elastic member is x, E, I, L, and x are set such that EI/L3 satisfies A≤EI/L3≤B, where A=4320x−0.44, B=41812x0.0931.
Resumen de: US20260074383A1
A secondary battery, including a case, an electrode assembly in the case, a cap plate that seals the case, a tab member connected to the electrode assembly, the tab member extending toward the cap plate, a terminal body coupled to the cap plate, the terminal body facing the tab member, a guide plate extending from the terminal body, the guide plate being in the tab member, and a connection member in the terminal body, the connection member being connected to the tab member.
Resumen de: US20260074344A1
PROBLEM TO BE SOLVED: To provide a structure for an automobile enhanced in the adhesiveness of a metal layer and a fiber reinforced resin layer in a case that the structure for the automobile is constituted of a metal/fiber reinforced resin composite material and capable of keeping excellent characteristics as a whole. SOLUTION: In the structure for the automobile constituted of the metal/fiber reinforced resin composite material obtained by integrally bonding the metal layer and the fiber reinforced resin layer through an intermediate resin layer, the intermediate resin layer contains particles with an average particle size of 3-10 μm comprising a thermoplastic resin and an imidazolesilane compound.
Resumen de: WO2026051312A1
An electric device. The electric device comprises a battery pack or batteries, the battery pack comprises batteries, each battery comprises battery cells, each battery cell comprises electrode sheets, and each electrode sheet comprises a current collector and a coating layer. The coating layer is provided on the current collector, a thinned region is formed on the coating layer, and the thickness of the thinned region is less than the thickness of other portions of the coating layer.
Resumen de: WO2026051308A1
The present application relates to the technical field of batteries, and provides a battery cell, a manufacturing method, a manufacturing device, a battery apparatus, and an electric apparatus. The present application provides a battery cell. The battery cell comprises an electrode assembly, support spacers, and electrode terminals. The electrode assembly comprises a plurality of first tabs stacked in a first direction. The support spacers are stacked with the plurality of first tabs in the first direction, and the support spacers are connected to the plurality of first tabs by means of a first welding portion. The electrode terminals are connected to the plurality of first tabs and the support spacers by means of a second welding portion, wherein the projections of the first welding portion and the second welding portion on a plane perpendicular to the first direction at least partially overlap. In this way, the connection reliability of the tabs and the connection terminals can be improved, and the presence of the support spacers can provide support for the first tabs and improve the current-carrying capacity of the first tabs, thereby increasing the energy density of the battery.
Resumen de: WO2026051282A1
The present application relates to a cyclic aging test method, apparatus and system for a battery module, and to the technical field of energy storage tests. The method comprises: in a cyclic aging test, successively performing a charging operation and a discharging operation on a battery module; and, at the end of the discharging operation on the battery module, separately performing discharging operations on battery cells in the battery module. Using the solution of the present embodiment can reduce the test duration of cyclic aging, allowing for cyclic aging tests of short test duration for battery modules.
Resumen de: WO2026051309A1
The present application provides a positive electrode sheet and a preparation method therefor, and a battery. The positive electrode sheet comprises a positive electrode current collector, a first positive electrode active coating and a second positive electrode active coating, wherein in the first positive electrode active coating, the mass ratio of a first lithium manganese iron phosphate active material to a nickel cobalt manganese ternary active material is 80-90:8-15; and the second positive electrode active coating comprises a second lithium manganese iron phosphate active material. The areal density ρ1 of the first positive electrode active coating and the areal density ρ2 of the second positive electrode active coating satisfy: ρ1≥240 g/m2; ρ2≥240 g/m2; and |ρ1-ρ2|≤5 g/m2.
Resumen de: US20260070789A1
Disclosed is a method for synthesizing lithium iron phosphate using anhydrous amorphous iron phosphate. The method includes the following steps: mixing an anhydrous amorphous iron phosphate, a lithium source, an organic carbon source, and a liquid alcohol to obtain a wet mixture; grinding the wet mixture to obtain a slurry, and subjecting the slurry to spray drying to obtain a lithium iron phosphate precursor powder; and calcining the lithium iron phosphate precursor powder in a protective gas atmosphere to obtain an olivine lithium iron phosphate. An anhydrous amorphous iron phosphate is used as a raw material.
Resumen de: US20260070470A1
A method for controlling fuel cell power generation may comprise: obtaining at least one or more of a vehicle speed limit of a forward driving road, whether there is a gradient and gradient data as forward driving information; calculating a total amount value of expected battery output energy based on the obtained forward driving information; and determining a fuel cell power generation output value in a current driving segment in order to charge or discharge a battery based on the total amount value of the expected battery output energy.
Resumen de: US20260070810A1
The present invention discloses to tungsten doped mixed cationic cathodes for energy devices notably non-aqueous re-chargeable alkali-ion electrochemical cells and batteries and to the process of preparation thereof. More particularly, the present invention discloses to doped cathode active materials of Formula (I) that show a higher capacity and which can able to retains their structure during the entire charging-discharging cycles.
Resumen de: US20260070808A1
According to embodiments of the present disclosure, a cathode active material for a secondary battery includes first lithium transition metal oxide particles having a single particle form and including cobalt in an amount of 15,000 ppm or less based on their total weight, and second lithium transition metal oxide particles having a secondary particle form and including cobalt in an amount of 15,000 ppm or less based on their total weight. The cobalt content based on the total weight of the first lithium transition metal oxide particles is greater than the cobalt content based on the total weight of the second lithium transition metal oxide particles.
Resumen de: US20260070806A1
A cathode active material for lithium secondary batteries contains secondary particles which are an aggregate of primary particles, in which the cathode active material for lithium secondary batteries has a layered structure, the cathode active material for lithium secondary batteries contains an element M1 and an element M2, the element M1 is at least one element selected from the group consisting of Nb, W, Mo, Ta, La, B, and P, the element M2 is at least one element M2 selected from the group consisting of Ni, Co, and Mn, and (1) and (2) are satisfied.
Resumen de: US20260074194A1
Provided are a negative electrode active material which includes negative electrode active material particles which includes a silicon oxide (SiOx, 0
Resumen de: US20260074233A1
Electrodes for an electrochemical storage cell, including a conductor foil including an application zone for an electrode coating, the application zone including an outer region and a central region, are provided. The outer region of the application zone lies closer to an outer edge of the conductor foil than the central region. The application zone, in the outer region, has at least one electrolyte conduction region in which the diffusion rate of an electrolyte of the electrochemical storage cell is higher than in the application zone outside the electrolyte conduction region. Electrochemical storage cells including at least one electrode are further provided. Processes for producing an electrode for an electrochemical storage cell are further provided.
Resumen de: US20260074211A1
A positive electrode for a secondary battery including a positive electrode current collector, and a positive electrode active material layer supported on the positive electrode current collector. The positive electrode active material layer includes active material particles and an oxide film covering at least part of surfaces of the active material particles. The active material particles include a lithium-containing transition metal oxide, and the oxide film contains an oxide of a first element other than nonmetal elements. When a thickness of the positive electrode active material layer is denoted by TA, Tb<Tt is satisfied, where the Tb and the Tt are thicknesses of the oxide film at a position of 0.10TA and at a position of 0.90TA, respectively, from a surface of the positive electrode current collector in the positive electrode active material layer.
Resumen de: US20260074193A1
An anode active material for a lithium secondary battery according to an embodiment of the present invention includes a first anode active material and a second anode active material, each of which includes a carbon-based active material and has a crystallite size in a range from 50 nm to 60 nm. An XRD orientation ratio of the first anode active material is in a range from 0.9 to 1.2, and an XRD orientation ratio of the second anode active material is in a range from 1 to 5. High-temperature storage and life-span properties are improved while maintaining high capacity using the combination of the first and second anode active materials.
Resumen de: US20260074546A1
A charging system is provided. The charging system includes a charging device including an electrical input for receiving electrical energy, at least one output for outputting electrical energy, and a communication interface; and a charger controller programmed to a) receive a plurality of charging parameters; b) determine a charging rate of an electronic device connected to the at least one output of the charging device; c) instruct the charging device to provide electrical energy through the output to the electronic device; d) determine a current state of charge of the electronic device; e) adjust the charging rate based on the current state of charge and the plurality of charging parameters; and f) instruct the charging device to adjust the charging rate for the electrical energy being provided to the electronic device.
Resumen de: US20260074385A1
A pole, a cover plate assembly and a battery cell are provided. The pole includes a first metal part and a second metal part. The first metal part defines a first concave portion and a first convex portion, and the first convex portion protrudes from an opening of the first concave portion along a direction away from the first concave portion. The second metal part includes a terminal and a second convex portion. The second convex portion protrudes outward from the terminal, and a side of the terminal close to the second convex portion is provided with a second concave portion. The first convex portion is embedded in the second concave portion, and the second convex portion is embedded in the first concave portion.
Resumen de: US20260074349A1
An electric energy storage device which includes four energy units with a substantially same voltage value is provided. Each energy unit is provided with a positive electrode and a negative electrode. The electric energy storage device comprises a socket with eight independently arranged electrode terminals that are connected with the four energy units. The disclosure also provides an electric tool system using the electric energy storage device. The electric tool is provided with plugs that may be connected with the four energy units in different states, allowing the electric energy storage device to output multiple voltages.
Resumen de: US20260074379A1
The present application discloses a connecting terminal for acquisition wire harness, a battery module, and a power-consuming device. The connecting terminal for acquisition wire harness includes an intermediate connecting portion, a wire harness connecting portion, and a busbar connecting portion. The intermediate connecting portion is fixedly connected to the wire harness connecting portion and the busbar connecting portion. The wire harness connecting portion and the acquisition wire harness are pressed and fixed. The busbar connecting portion is clampable to an accommodating portion preset on a busbar.
Resumen de: US20260074388A1
A conductive structure, a cover plate assembly, and a battery cell are provided. The conductive structure includes a metal post including a first end and a second end opposite to each other, and a metal layer bonded to a surface of the metal post. The metal layer wraps the first end and extends toward the second end. The metal layer is used to be connected to a tab. In an axial direction of the metal post, a distance from an end portion of the metal layer to an end surface of the second end is H1, a thickness of the metal post is D2, and a ratio of H1 to D2 is less than or equal to 0.8.
Resumen de: WO2026051275A1
The present application provides a separator and a preparation method therefor. The separator comprises a substrate layer and a heat-resistant layer located on at least one surface of the substrate layer, wherein the substrate layer comprises a polyolefin, and the heat-resistant layer comprises polymer fibers and inorganic ceramic particles; and the separator satisfies the following conditions: 1≤BL50/BW50≤6, 0.8≤Equation≤6, 0.1 μm≤BL50≤0.6 μm, and 0.04 μm≤TL50≤0.2 μm. According to the present application, adjusting dimensions of internal structural pores of a substrate layer and a heat-resistant layer reduces rigidity mismatch between the heat-resistant layer and the substrate layer, thereby increasing a rupture temperature of the separator, and mitigating the problem of separators easily fracturing when subjected to high-temperature treatment for an extended period of time. Moreover, this also greatly reduces the common occurrence of separator curling after heat-resistant layer coating, addresses the problem of separators being prone to powder shedding when stretched or subjected to external impact, and improves the thermal safety performance of the separator.
Resumen de: WO2026051280A1
A cell balancing method, apparatus and device, a readable storage medium and a program product. The method comprises: determining whether a voltage difference between a cell in a battery pack that has the highest current voltage and the remaining cells meets a balancing enabling condition; if the voltage difference meets the balancing enabling condition, entering a first balancing stage, wherein in the first balancing stage, the cell which has the highest current voltage is used to charge, by using a first current, a cell which has the lowest current voltage; and after the first balancing stage is entered, if the voltage difference does not meet the balancing enabling condition, entering a second balancing stage, wherein in the second balancing stage, the cell which has the highest current voltage is used to charge, by using a second current, the cell which is charged by means of the first current in the first balancing stage, and the second current is less than the first current. In the solution disclosed in the present application, the cell which is charged by means of the first current is charged by using a small current, so as to compensate for capacity loss caused by self-discharging of the cell, and reduce the depth of charging and discharging and heat generation of the cell; thus, falsely high capacity and voltage of the cell are avoided, such that the cell can maintain a good state of health.
Resumen de: WO2026051266A1
The present application provides a nitrogen-containing branched polymer, an anion exchange resin, an anion exchange membrane, and an electrochemical device. The nitrogen-containing branched polymer comprises a nitrogen-containing heterocyclic ring, a branched structure and an aryl, wherein the number of branching points of each branched structure is not less than 3, and the aryl is linked with the branching points of the branched structure by means of the nitrogen-containing heterocyclic ring. The molar ratio of the aryl to the branched structure in the nitrogen-containing branched polymer is A:B = 80-99:1-20. The nitrogen-containing branched polymer satisfies: PDI≤2.6, and has a weight-average molecular weight of 40,000 g/mol to 50,000 g/mol.
Nº publicación: US20260070804A1 12/03/2026
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd
Resumen de: US20260070804A1
A vanadium oxide composite of the present disclosure includes: a particle including a vanadium oxide represented by a composition formula (1) Li3+x+aV1−xMxO4+a/2; and an electrically conductive material at least partially coating a surface of the particle. In the composition formula (1), 0
BOPI
Sede Electrónica
