Si deseas distinguir tus productos, servicios o ambos de los de otra empresa, es posible que necesites una marca o nombre comercial. Descubre qué son, en qué consiste su procedimiento de registro y qué implica.
Información sobre los plazos de presentación de solicitudes de transformación de marcas de la Unión Europea en marca nacional española. Más información
Si tienes un nuevo dispositivo, producto o procedimiento que resuelva un problema técnico o tenga una ventaja práctica, existen distintas formas de protegerlo en España y en otros países. Descubre cómo hacerlo.
¿Tu innovación reside en la estética, la ornamentación o la apariencia de tu producto? Protégela mediante un diseño industrial. Descubre qué derechos confiere el registro y cómo realizar la tramitación.
Las patentes publicadas en todo el mundo son una valiosa fuente de información científica, técnica y comercial.
El Bono 3 (Patentes Nacionales, Patentes Europeas, Informes Tecnológicos de Patentes y Búsquedas Retrospectivas) está cerrado desde el pasado 19 de junio. Se informará más adelante sobre su reapertura.
Si eres emprendedor/a o una empresa y quieres potenciar y mejorar la rentabilidad de tu negocio protegiendo de forma adecuada los activos intangibles de tu organización, en este espacio encontrarás lo necesario.
1832
resultados
Última actualización
05/07/2025 [08:21:00]
Resultados 725 a 750 de 1832
Resumen de: EP4579811A1
This application provides a lithium-rich metal oxide and a preparation method thereof, a positive electrode plate, a battery cell, and a battery, and relates to the field of battery technology. The lithium-rich metal oxide includes a lithium-rich metal oxide core and residual lithium on a surface of the lithium-rich metal oxide core. Based on 100 wt% as a total mass of the lithium-rich metal oxide, a mass percent k of the residual lithium satisfies: k ≤ 0.5 wt%, and a lithium-ion diffusion coefficient D of the lithium-rich metal oxide satisfies: D ≥ 1.0 × 10<-15> cm<2>/s. When applied to a battery cell, the lithium-rich metal oxide of this application improves performance of the battery cell.
Resumen de: EP4579781A1
An electrode assembly, a battery cell, a battery, an electric device, a positive electrode plate, and a preparation method thereof are provided. The positive electrode plate (31) includes: a positive electrode current collector (10); and a positive electrode active material layer (20), disposed on at least a part of a surface of the positive electrode current collector (10). The positive electrode active material layer (20) includes at least two positive electrode active material segments arranged along a length direction (d<sub>L</sub>) of the positive electrode current collector (10), and a specific surface area of a positive electrode active material contained in a part of the at least two positive electrode active material segments is greater than a specific surface area of a positive electrode active material contained in another part of the at least two positive electrode active material segments.
Resumen de: EP4579888A1
A secondary battery is disclosed. The secondary battery includes an electrode assembly, a case including an opening for insertion of the electrode assembly, and a cap plate including a bonding area welded to the case and closing the opening. The bonding area may include one or more support surfaces in contact with and supported by the case; and one or more chambers formed with a portion of the bonding area spaced apart from the case by the support surface.
Resumen de: EP4579893A1
The embodiments of the present disclosure provide a battery cell, battery, and electrical device, relating to the field of battery technology. The battery cell comprises a casing, an electrode assembly, an electrode terminal, and a sealing component. The casing is provided with a wall portion, and the electrode assembly is accommodated inside the shell. The electrode terminal is arranged on the wall portion. The electrode terminal is provided with a stepped hole. Along the thickness direction of the wall portion, the electrode terminal is provided with a first surface that is farthest from the electrode assembly. The stepped hole comprises a first hole segment and a second hole segment that are continuously arranged. The first hole segment is arranged on the first surface, and the second hole segment is arranged on a side of the first hole segment that is closer to the electrode assembly. The sealing component is at least partially positioned within the second hole segment, and the sealing component is welded and connected to the electrode terminal, forming a welding portion at the welding location. The first hole segment is configured to accommodate at least a portion of the welding portion so that the welding portion does not protrude from the first surface. The battery cell with such a structure has the ability to achieve a stable electrical connection with external components, and thus a stable electrical connection between external components and the electrode terminal c
Resumen de: EP4579899A1
The embodiments of the present disclosure provide an end cover, battery cell, battery and electrical device, which belong to the field of battery technology. An end cover is configured to close an opening of housing of battery cell, wherein the end cover includes an abutting portion and a first convex portion. The abutting portion includes an abutting surface, wherein the abutting surface is configured to abut against one end of the housing provided with the opening. The first convex portion is connected to the abutting portion and protrudes from the abutting surface. The first convex portion is configured to extend into the housing. The groove is arranged on the abutting surface, and the groove is arranged around the first convex portion. An external peripheral surface of the first convex portion is connected to the abutting surface through the groove wall surface of the groove, which reduces the risk that the rounded corner is formed at the connection position of the external peripheral surface of first convex portion and the abutting surface to cause the interference between the end cover and the housing, so that the abutting surface can abut against one end of the housing provided with the opening, thereby improving the firmness between the end cover and the housing after connected.
Resumen de: EP4579912A1
The present application relates to the technical field of batteries, and provides a battery cell, a battery, an energy storage apparatus, and an electrical apparatus. The battery cell comprises a housing and a pressure relief member. The housing has a first wall, and the first wall has a first side surface facing the interior of the battery cell. The pressure relief member is disposed on the first wall. The pressure relief member has a weak structure. The pressure relief member is configured to relieve the internal pressure of the battery cell. In the thickness direction of the first wall, the weak structure does not go beyond the first side surface in a direction toward the interior of the battery cell. The structure can well protect the weak structure of the pressure relief member, to prevent abrasion or damage to the weak structure of the pressure relief member caused when the weak structure projects out of the first side surface during assembly or stacking storage of the battery cell, so as to prolong the service life of the pressure relief member and improve use reliability of the pressure relief member, thereby ensuring normal use of the pressure relief member, and lowering the risk of early functioning of the pressure relief member.
Resumen de: EP4579933A1
The present disclosure relates to an electrode for a secondary battery and a secondary battery comprising the same, and the present disclosure provides an electrode for a secondary battery includes a first surface and a second surface, positioned opposite to the first surface, wherein the first surface includes a first active portion in which an electrode active material layer is formed on an electrode current collector and a first uncoated portion in which an electrode active material layer is not formed, wherein the second surface includes a second active portion in which an electrode active material layer is formed on an electrode current collector, and a second uncoated portion in which an electrode active material layer is not formed, independently of the first surface, wherein the first surface includes a first active portion insulating layer formed on the first active portion and a first uncoated portion insulating layer formed on the first uncoated portion, wherein the second surface includes a second active portion insulating layer formed on the second active portion and a second uncoated portion insulating layer formed on the second uncoated portion, and wherein a position of an end of the first active portion insulating layer and a position of an end of the second active portion insulating layer are different.
Resumen de: EP4579925A1
The present disclosure provides a connecting unit, a busbar (200), and a battery module (300). The connecting unit is configured to connect battery cells (100). The battery cells (100) include at least a first battery cell (11) and a second battery cell (12). The connecting unit includes a first positive connecting part (21) configured to detachably connect a positive terminal (111) of the first battery cell (11) and electrically connected to the positive terminal (111) of the first battery cell (11); and a first negative connecting part (31) configured to detachably connect a negative terminal (133) of the second battery cell (13) and electrically connected to the negative terminal (133) of the second battery cell (13). The first negative connecting part (31) is connected to the first positive connecting part (21).
Resumen de: EP4579845A1
There are provided a sulfide-based solid electrolyte with improved lithium ionic conductivity, a method for preparing the sulfide-based solid electrolyte and an all-solid-state battery including the sulfide-based solid electrolyte. The present disclosure relates to a sulfide-based solid electrolyte comprising a thio-LISICON Region II-type crystalline phase, wherein the sulfide-based solid electrolyte is glass-ceramic, wherein the sulfide-based solid electrolyte is represented by chemical formula (100-x){(0.75+y/(100-x))Li2S-0.25P2S5}-xLiHa, wherein in the chemical formula, the Ha is at least one selected from halogen elements, and wherein 15≤x≤30 and 0 < y < 2.25 are satisfied.
Resumen de: EP4579856A1
This application discloses a secondary battery and an electric apparatus. The secondary battery includes a positive electrode plate, a negative electrode plate, an electrolyte, and a separator sandwiched between the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode active material. The positive electrode active material includes LiFexM(1-x)PO4, where 0
Resumen de: EP4579913A1
The embodiments of the present disclosure provide a pressure relief component, a battery cell, a battery, and an electrical device, relating to the technology field of batteries. The pressure relief component is configured for a battery cell. The pressure relief component is provided with a nick groove. At least two protrusions are arranged within the region enclosed by the nick groove, wherein the protrusions protrude from one side of the pressure relief component in a thickness direction, and the protrusions are recessed on the other side of the pressure relief component in the thickness direction. The battery cell comprising the pressure relief component has high reliability.
Resumen de: EP4579803A1
This application discloses a negative electrode material and a preparation method thereof, a battery, and an electrical device. The negative electrode material includes porous carbon. The porous carbon includes iron and/or sulfur. An active material is included in pores of the porous carbon. In this way, this application endows the negative electrode material with high conductivity, small volume expansion, and high surface activity, thereby endowing the battery with a high capacity and excellent C-rate performance and cycle performance.
Resumen de: EP4579792A1
A lithium metal anode protective film includes lithium nitride (Li<sub>3</sub>N) nanoparticles, lithium-magnesium (Li-Mg) alloy nanoparticles, or a combination thereof.The lithium metal anode protective film may induce uniform electrodeposition behavior and distribution of lithium ions, thereby effectively suppressing growth of lithium dendrites during battery a battery charging/discharging process.
Resumen de: EP4579861A1
The embodiments of the present application provide an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly comprises: a first pole piece, the first pole piece comprising a plurality of first layered segments and at least one first bent segment; wherein the first bent segment comprises a plurality of first notches arranged along a second direction, the second direction being the direction in which the first bent segment extends; the plurality of first notches comprise first edge notches disposed on two ends of the first pole piece along the second direction, and a first middle notch located in a middle area of the first pole piece; and the length of the first edge notches along the second direction is greater than the length of the first middle notch along the second direction. The electrode assembly, battery cell, battery, and electrical device of the embodiments of the present application improve the machining efficiency and quality pass rate of the electrode assembly.
Resumen de: EP4578710A1
A high-voltage control box includes a control box body, a terminal resistor, and a wiring assembly. A CAN bus and a battery management unit are provided inside the control box body. The CAN bus includes a high wire and a low wire, which are connected to the battery management unit. The terminal resistor is provided inside the control box body. The wiring assembly is installed on a wall of the control box body, and is connected to the high wire, the low wire and the terminal resistor. The terminal resistor is disconnected from the high wire and/or the low wire, and the wiring assembly is configured to be connected with an external electrical connector to enable the terminal resistor to be electrically connected with the high wire and the low wire through the wiring assembly and the external electrical connector.
Resumen de: EP4579995A1
A battery management apparatus includes: a voltage meter that measures voltages of a plurality of batteries connected in series to each other; and a controller that estimates State of Charges (SOCs) of the plurality of batteries based on the measured voltages, and control charge and discharge of the plurality of batteries to make the estimated SOCs of the plurality of batteries fall within a plurality of usable SOC bands preset to correspond to the plurality of batteries.
Resumen de: EP4579771A1
Disclosed in the present disclosure is a positive electrode active material and a lithium-ion battery, the positive electrode active material comprising lithium iron phosphate coated with carbon layer, and an I<sub>D</sub>/I<sub>G</sub> value of the positive electrode active material is 0.75-1.2, wherein a peak intensity at a wave number of 1360 cm<sup>-1</sup> is considered as I<sub>D</sub> and a peak intensity at a wave number of 1580 cm<sup>-1</sup> is considered as I<sub>G</sub> in a Raman spectrum of the positive electrode active material.
Resumen de: EP4579809A1
The present invention relates to a positive electrode active material including: a lithium nickel-based transition metal oxide with a large particle diameter and a lithium nickel-based transition metal oxide with a small particle diameter, wherein the lithium nickel-based transition metal oxide with a large particle diameter is in the form of a secondary particle that is an aggregate of primary particles, and the lithium nickel-based transition metal oxide with a small particle diameter is in the form of at least one of a single particle formed of one nodule and a quasi-single particle that is a composite of 30 or less nodules, and wherein the lithium nickel-based transition metal oxide with a large particle diameter has a D<sub>50</sub> of 5 µm to 30 µm, and a Y value defined by the factors of the particle size distribution characteristics is 2.2 or less. The positive electrode active material is applied to a positive electrode to provide a lithium secondary battery in which the breakage of the positive electrode active material particles is suppressed, thereby improving lifespan and output characteristics and reducing the amount of gas generated.
Resumen de: EP4579785A1
Embodiments of the disclosure include a positive electrode active material, a method of preparing the same, a positive electrode, and a rechargeable lithium battery, the positive electrode active material including particles including a lithium transition metal composite oxide, and a coating layer located on a surface of the particles and including porous graphene.
Resumen de: EP4579805A1
An aluminum battery (100) includes a positive electrode (110), a negative electrode (120), a separator (130), and an aqueous electrolyte (140). The separator (130) is disposed between the positive electrode (110) and the negative electrode (120). The aqueous electrolyte (140) is impregnated into the separator (130), the positive electrode (110), and the negative electrode (120). When the aluminum battery (100) operates, the positive electrode (110) performs an intercalation mechanism, while the negative electrode (120) performs a chelating mechanism.
Resumen de: EP4579784A1
This application discloses a secondary battery and an electric apparatus. The secondary battery includes a battery housing and a positive electrode plate, a negative electrode plate, a separator, and an electrolyte that are disposed within the battery housing. The separator is arranged between the positive electrode plate and the negative electrode plate. The positive electrode plate includes a positive electrode active material layer, and the positive electrode active material layer includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material includes LiaNibCocM1dM2eOfR'g, where 0.75≤a≤1.2, 0
Resumen de: EP4579840A1
This application discloses a positive electrode plate, a secondary battery, and an electric apparatus. The positive electrode plate includes a positive electrode active material layer, and the positive electrode active material layer includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material includes LiaNibCocM1dM2eOfR'g, where 075≤a≤1.2, 0
Resumen de: EP4579780A1
This application discloses a negative electrode plate, an electrode assembly, a battery, and an electric apparatus. A coating is provided at an edge of the negative electrode plate, and the coating includes a functional compound, the functional compound being able to react with sodium metal or lithium metal to produce gas.
Resumen de: EP4579810A1
This application discloses a positive electrode material, a preparation method of same, a positive electrode plate, a secondary battery (5), and an electrical device. The positive electrode material includes a ternary positive electrode substrate and optionally a coating layer. The coating layer coats a surface of the ternary positive electrode substrate. The ternary positive electrode substrate includes Li, Ni, Al, and an M element. The M element includes a combination of one or more of Mn, Co, Ti, Zr, W, Nb, Mo, Si, Mg, B, Cr, or Ta. A volume-based particle size distribution curve of the positive electrode material is a bimodal curve. A low-peak particle diameter in the bimodal curve is a first peak diameter, and a high-peak particle diameter in the bimodal curve is a second peak diameter. An average mass percent of Al in positive electrode material particles with a particle size smaller than the first peak diameter is m<sub>1</sub>, and an average mass percent of Al in positive electrode material particles with a particle size larger than the second peak diameter is m<sub>2</sub>, satisfying: m<sub>1</sub> < m<sub>2</sub>.
Nº publicación: EP4579850A1 02/07/2025
Solicitante:
NINGDE AMPEREX TECHNOLOGY LTD [CN]
Ningde Amperex Technology Limited
Resumen de: EP4579850A1
Disclosed are an electrochemical device and an electronic device containing the same. The electrochemical device includes: a positive electrode, a negative electrode, an electrolyte, and a separator, where the positive electrode includes a positive current collector and a first positive active material layer and a second positive active material layer located on the positive current collector, the first positive active material layer is located between the positive current collector and the second positive active material layer, the first positive active material layer contains an element Mn and has a thickness of h1 µm, the second positive active material layer has a thickness of h2 µm, and h1 > h2. The electrochemical device in this application has improved cycle performance, improved storage performance, and improved overcharge test performance as well as reduced impedance.
BOPI
Sede Electrónica
