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1168
resultados
Última actualización
01/11/2026 [07:23:00]
Resultados 900 a 925 de 1168
Resumen de: US20260331645A1
Herein is described a photoelectrode and a rechargeable lithium-ion photobattery comprising the photoelectrode. The photoelectrode comprises a transition metal oxide component and a discrete conductive carbon component. The transition metal oxide component comprises a single transition metal oxide material having an average pore size of at least 5 nm. The discrete conductive carbon component has a thickness of 50 μm or less. Herein is also disclosed a method of preparing the photoelectrode and the use of said photoelectrode in a photobattery system.
Resumen de: AU2025255369A1
A metal-oxygen battery system, including: an electrochemical cell including a positive electrode, a negative electrode, and an electrolyte between the positive electrode and the negative electrode; and an energy storage reactor in fluid communication with the negative electrode; a gas store in fluid communication with the positive electrode, the gas store configured to store oxygen; and a fuel gauge configured to determine a state of charge, wherein the gas store and the positive electrode form a closed system.
Resumen de: US20260331555A1
0000 An electrode assembly includes a wound structure and a protective layer, where the wound structure is formed by winding a stacked body including a positive electrode sheet and a negative electrode sheet along a winding direction, a separator being sandwiched between the positive electrode sheet and the negative electrode sheet, and the positive electrode sheet and the negative electrode sheet each including a plurality of bent portions; and an inner side and an outer side of at least one of the bent portions are each attached with the protective layer, where the protective layers on the inner and outer sides of a same bent portion are staggered at least at one end portion along the winding direction.
Resumen de: US20260325900A1
A fire-extinguishing material includes a base material and a fire-extinguishing agent layer formed on at least one surface of the base material. The fire-extinguishing agent layer contains a fire-extinguishing agent and a binder resin, in which the content of the fire-extinguishing agent in the fire-extinguishing agent layer is 60% by mass to 98% by mass relative to the mass of the fire-extinguishing agent layer, and the tensile elongation at break of the binder resin is 45 mm or more.
Resumen de: US20260326391A1
0000 A method for making a tray assembly includes positioning a first component adjacent to a second component. The second component has a lower portion positioned adjacent to the first component and an upper portion spaced from the first component. A top surface of the lower portion is positioned below a top surface of the first component, and a top surface of the upper portion is adjacent to the top surface of the first component such that a gap is defined along the lower portion of the second component beneath the top surfaces of the first component and the upper portion of the second component. The method includes filling the gap with an adhesive and then compressing a pad toward the adhesive such that a continuous top surface of the adhesive extends between the top surfaces of the first component and the upper portion of the second component.
Resumen de: WO2026218905A1
Provided in the present application are a secondary battery and an electric device. The secondary battery provided in the present application comprises a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector, a first negative electrode active material layer provided on at least one surface of the negative electrode current collector, and a second negative electrode active material layer provided on the first negative electrode active material layer. The negative electrode sheet satisfies the condition that the gas production of the first negative electrode active material layer is greater than that of the second negative electrode active material layer, which helps to reduce a difference in surface tension between the first negative electrode active material layer and the second negative electrode active material layer, thereby improving the cycle performance of the secondary battery, enhancing the interfacial bonding strength between the first negative electrode active material layer and the second negative electrode active material layer, mitigating the powder shedding of the negative electrode sheet while ensuring the fast charging performance of the secondary battery, and also improving the electrochemical performance of the secondary battery.
Resumen de: US20260332454A1
0000 A battery management system for managing a cell stack. The battery management system includes: a plurality of monitoring circuits that monitor the cell stack; and a management circuit that is connected to each of the plurality of monitoring circuits via wireless communication, and manages the cell stack. In the battery management system, at least one of the management circuit or each of the plurality of monitoring circuits includes a measurement circuit for measuring Time of Flight (TOF) between the management circuit and each of the plurality of monitoring circuits via impulse response ultra-wide band (IR-UWB) communication.
Resumen de: US20260331481A1
0000 A positive electrode material composition includes at least two nickel-iron-manganese-based sodium-ion battery positive electrode active materials, and the nickel-iron-manganese-based sodium-ion battery positive electrode active materials are physically mixed; a mixture of the nickel-iron-manganese-based sodium-ion battery positive electrode active materials further includes a Cu element and a Q element. The positive electrode includes the positive electrode material composition, and the sodium battery includes the positive electrode. The electric device includes the sodium battery.
Resumen de: US20260331468A1
0000 A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electrical apparatus. The positive electrode active material comprises an inner core and a coating layer; the inner core comprises a transition metal oxide; the coating layer is formed on the surface of the inner core; the coating layer comprises a polymer containing a silicon-oxygen bond; on the basis of the total mass of the positive electrode active material, the mass percentage of silicon in the polymer is 0.05%-1%.
Resumen de: WO2026219386A1
The present application relates to the technical field of batteries, and discloses a battery and a battery pack. The battery comprises: a case structure comprising a first side wall, a second side wall, a third side wall, a fourth side wall, a first blocking portion, and a second blocking portion; the length of the case structure is L, the thickness of the first side wall is I1, and the thickness of the second side wall is I2; the width of the case structure is T, the thickness of the third side wall is M1, and the thickness of the fourth side wall is M2; the height of the case structure is H, the thickness of the first blocking portion is a, and the thickness of the second blocking portion is b; and the capacity of the battery is C, and satisfies Formula (I), wherein 5 mm≤x≤8 mm, and 5 mm≤y≤10 mm. In the present application, the capacity of the battery is calculated on the basis of the structural size of the case structure, thereby simplifying battery capacity calculation, facilitating overall battery design, and improving design efficiency.
Resumen de: WO2026219384A1
The present application relates to the technical field of batteries, and discloses a cover plate structure and a battery. The cover plate structure comprises: a plate body provided with bosses and pole accommodating recesses; and poles each provided with a pole bottom plate, a circumferential edge of the pole bottom plate matching an inner edge of a corresponding pole accommodating recess in shape. The plate body is formed by stamping. The plate body further comprises rotation-stop abutting portions configured to prevent corresponding pole bottom plates from rotating about an axial direction, and material-flow facilitating recesses arranged close to corresponding rotation-stop abutting portions and configured to facilitate material flow toward the rotation-stop abutting portions during stamping and forming. A height of a rotation-stop step difference in the axial direction is a, satisfying: 0.2 mm≤a≤5 mm. The cover plate structure provided in the present application can limit rotation of each pole bottom plate about the axial direction by bringing a rotation-stop abutting surface into abutment against the circumferential edge of the pole bottom plate, thereby preventing sealing failure of a sealing ring and preventing the risks such as tearing and short circuits at a position where a tab inside a battery cell is connected to the bottom of a corresponding pole.
Resumen de: US20260326328A1
0000 A cutting device for a composite electrode plate and a battery production line belong to the technical field of processing device. The cutting device for a composite electrode plate includes: a rack; a composite mechanism mounted on the rack and configured to cooperate with an adsorption mechanism to composite a separator and an electrode plate to obtain a composite electrode plate; the adsorption mechanism mounted on the rack and configured to adsorb the composite electrode plate; and a cutting mechanism mounted on the rack and configured to cooperate with the adsorption mechanism to cut off the composite electrode plate.
Resumen de: WO2026218727A1
Provided in the present application are a battery cell, a manufacturing method and apparatus for a bottom tray, a system, and a charging network. The battery cell comprises an electrode assembly, a casing and a bottom tray, wherein the bottom tray is located between the electrode assembly and the inner wall of the casing and used for supporting the electrode assembly; the bottom tray comprises a first insulating layer, a support layer, and a second insulating layer arranged in the thickness direction of the bottom tray, the first insulating layer being located on the side surface of the support layer facing the electrode assembly, and the second insulating layer being located on the side surface of the support layer facing away from the electrode assembly. The embodiments of the present application can improve the reliability of pressure relief of the battery cell.
Resumen de: US20260331457A1
0000 A negative electrode layer 10, a positive electrode layer 20, and a solid electrolyte layer 30 are laminated in a T direction. One direction from among directions orthogonal to the T direction is an X direction. A direction orthogonal to the T direction and the X direction is a Y direction. A negative-electrode current collector layer 11 has a negative-electrode current collector layer body part 12, and a negative electrode tab 14 extending from the negative-electrode current collector layer body part 12 in an X-direction. The outer peripheral surface of the negative electrode layer 10 has pairs of side surface sections 13, 16 opposite from each other in the Y direction. When viewed in the T direction, each of the side surface sections 13, 16 has an uneven section 13a, 16a that includes recesses and protrusions repetitively arranged in the X direction.
Resumen de: US20260328847A1
The present disclosure relates to a secondary battery testing apparatus including a case, a drum rotatably disposed in the case, a cable configured to be wound around the drum and having a detection terminal extending outward from the case, an adjustment member connected to the drum and configured to adjust rotation of the drum, and a measurement member connected to the cable and configured to measure a detection signal transmitted through the cable.
Resumen de: US20260328859A1
A battery capacity estimation method is a method that estimate a deterioration state of a battery, and includes acquiring a capacity value, a current value, and a temperature of the battery in a battery capacity measurement and estimating a capacity true value of the battery by adding a capacity correction value calculated using Equation (1) described below to the capacity value.dQ=k′(T)I*100SOH(1)(where dQ is a capacity correction value, T is a temperature (° C.), k′(T) is a constant at the temperature T, I is a current value, and SOH is a ratio (%) of a full charge capacity of the battery at a time of measurement relative to an initial full charge capacity of the battery.)
Resumen de: US20260331631A1
A battery cell cooling member is arranged between adjacent battery cells and includes two facing plates formed on an inner side between the battery cells to face the battery cells, respectively, and an elastic pad between the two facing plates and having a cooling path.
Resumen de: US20260331688A1
0000 A ventilation control apparatus according to an embodiment of the present disclosure is installed in a battery container including one or more batteries. The ventilation control apparatus includes: a smoke detection unit configured to detect smoke inside the battery container and to output a sensing signal when the smoke is detected; and a control unit configured to, upon receiving the sensing signal, control an operating state of a ventilation unit installed in the battery container to a turned-on state, and to output, to an external device, a ventilation operation signal indicating that the operating state of the ventilation unit has been controlled to the turned-on state.
Resumen de: WO2026219296A1
A negative electrode sheet, a preparation method for a negative electrode sheet, a battery, a battery pack, and an electric device. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer disposed on the negative electrode current collector, wherein the negative electrode active material layer is of a porous structure; and the physical specific surface area (SSA) of the negative electrode active material layer and the electrochemical specific surface area Cdl of the negative electrode sheet satisfy: 8
Resumen de: US20260331735A1
A battery cell comprises: an electrode assembly; and an insulating component, wherein the insulating component is configured to wrap at least a partial region of the electrode assembly; the insulating component comprises a first insulating structure and a second insulating structure, the first insulating structure is a hollow structure with one end open, the hollow structure being configured to accommodate the electrode assembly, and the second insulating structure is configured to cover an opening of the first insulating structure.
Resumen de: US20260331716A1
A battery module and a method of manufacturing the same, are capable of improving the stability of mechanical and electrical connections. The battery module includes a housing, a battery cell disposed inside the housing, a first bus bar connected to the battery cell and including a first conductive material connected to the first bus bar and a module bus bar. The second bus bar includes a second conductive material that is different than the first conductive material.
Resumen de: WO2026219351A1
Provided in the present disclosure are a lithium-ion secondary battery, an electric device and a positive electrode material. The lithium-ion secondary battery comprises a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer that is located on at least one side of the positive electrode current collector and comprises a positive electrode material, the positive electrode material comprising a lithium transition metal oxide which comprises secondary particles formed by a plurality of primary particles having a particle size of 0.2-1 μm. The lithium transition metal oxide comprises nickel, cobalt and manganese, wherein on the basis of the total moles of nickel, cobalt and manganese, the molar percentage of nickel is greater than or equal to 50% and less than 100%, and the molar percentage of manganese is greater than or equal to that of cobalt. The lithium transition metal oxide further comprises a modifying element which is one or more of zirconium, yttrium, sodium, potassium, phosphorus, antimony, aluminum, titanium, boron, tungsten and carbon. At 100% SOC, the oxygen release temperature of the positive electrode sheet as determined by thermogravimetry-mass spectrometry is 210-230°C.
Resumen de: WO2026220680A1
The present invention provides a square can manufacturing method and a square can manufacturing system that, with a simple configuration, prevent a square can from being formed to have a bulged bottom surface and thereby provide the bottom surface with satisfactory flatness. The square can manufacturing method comprises: an intermediate forming step for performing drawing or draw-ironing on a metal blank (200A) to form intermediate formed bodies (200B, 200C); a pre-square forming step for performing the drawing or draw-ironing on the intermediate formed body (200C) to form a pre-square can (300); and a square forming step for performing the drawing or draw-ironing on the pre-square can (300) to form a square can. The pre-square forming step is a step for processing a portion of the bottom portion side of the intermediate formed body (200C) into the bottom portion shape of the square can, while holding the intermediate formed body (200C) between a punch (132) and a bottom surface pressing member (134).
Resumen de: DE102025115491A1
Die Erfindung betrifft ein KI-gestütztes Energiemanagementsystem (2) für ein Niedervoltbordnetz eines Fahrzeugs (1). Es umfasst als Softwareagenten (LMA, PCA, SOA, SA) einen Lastmanagementagenten (LMA) zur Priorisierung kritischer Systeme, einen prädiktiven Ladeagenten (PCA) zur Optimierung von Batterieladezyklen einer Niedervoltbatterie, einen Standby-Optimierungsagenten (SOA) zur Minimierung eines Energieverbrauchs beim Parken und einen Aufsichtsagenten (SA) zur Koordinierung einer Energieverteilung auf der Grundlage von Fahrprofilen und Umgebungsbedingungen (UB). Durch den Einsatz von maschinellem Lernen und Echtzeit-Fahrzeugdaten erhöht das Energiemanagementsystem (2) die Lebensdauer der Niedervoltbatterie, reduziert den Stromverbrauch im Standby-Modus und optimiert die Energieeffizienz.Des Weiteren betrifft die Erfindung ein Fahrzeug (1) und ein Energiemanagementverfahren für ein Fahrzeug (1).
Nº publicación: US20260331606A1 22/10/2026
Solicitante:
MAKITA CORP [JP]
MAKITA CORPORATION
Resumen de: US20260331606A1
One aspect of the present disclosure provides a battery pack including a battery module, an analog output generation circuit, and a control circuit. The control circuit is configured (i) to control the analog output generation circuit to generate an analog output voltage corresponding to a charge level of the battery module and (ii) to transmit communication data to a charger. The communication data includes parameters for the charger to generate a correlation profile. The correlation profile correlates a maximum required value of a charge current with the analog output voltage such that the maximum required value changes at two or more rates of change while the analog output voltage is transitioning among different voltage levels between a first voltage level and a second voltage level.
BOPI
Sede Electrónica
