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 indicaciones geográficas protegen el nombre de un producto originario de una zona geográfica, a la cual le debe una determinada calidad, reputación u otra característica. Descubre qué son, en qué consiste su procedimiento de registro y qué beneficios conceden.
Las patentes publicadas en todo el mundo son una valiosa fuente de información científica, técnica y comercial.
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.
1597
resultados
Última actualización
07/05/2026 [08:24:00]
Resumen de: EP4738522A1
A battery (1) includes a unit cell (60) including: an electrode current collector(10); an electrode active material layer (20) disposed on a main surface of the electrode current collector (10); a solid electrolyte layer (30) disposed on a side of the electrode active material layer (20) opposite from the electrode current collector (10); a counter electrode active material layer (40) disposed on a side of the solid electrolyte layer (30) opposite from the electrode active material layer (20); and a counter electrode current collector (50) disposed on a side of the counter electrode active material layer (40) opposite from the solid electrolyte layer (30). A first region (71) not covered with the electrode active material layer (20) is provided at an end portion of the main surface (11) of the electrode current collector (10) in a first direction. A second region (72) not covered with the solid electrolyte layer (30) in a plan view is provided at an end portion of the electrode active material layer (20) in the first direction. A third region (73) not covered with the counter electrode active material layer (40) in the plan view is provided at an end portion of the solid electrolyte layer (30) in the first direction.
Resumen de: EP4737919A1
0001 This invention is a battery case evaluation system 100 for evaluating thermal characteristics of a battery case (BC) constituting a battery pack or a component of the battery case (BC). The battery case (BC) comprises a simulated battery 10 that is installed within the battery case (BC) and that is to simulate thermal behavior of the actual battery which is a component of the battery pack, a power supply device 20 that supplies power to the simulated battery 10, and a control device 30 that controls the power supply device 20. The control device 30 comprises a parameter receiving unit 31 that receives an input profile indicating time-dependent change of a current, a voltage, or power supplied to the actual battery as one of evaluation parameters, a resistance value calculation unit 331 that calculates a resistance value of the actual battery which changes over time based on simulated battery temperature and the input profile, and a power supply control unit 33 that controls the power supply device 20 using the resistance value calculated by the resistance value calculation unit 331.
Resumen de: WO2025003183A1
The invention relates to a device (15) for accommodating n electrochemical cells (6') in order to form a battery module, each of the n electrochemical cells (6') comprising two electrodes (7) extending inside (8') the electrochemical cell (6') and extending to the outside (9') of the cell (6'), respectively, by two conductive tabs (12) opposite one another, characterised in that it comprises two parallel sets (18, 19) of n clamps (20), the n clamps (20a) of one of the two sets (18) extending respectively facing the n clamps (20b) of the other one of the two sets (19), in order to be able to receive in parallel the electrochemical cells (6') such that the two opposite tabs (12a, 12b) of each cell respectively engage in two facing clamps, and in that the n clamps (20a) of one of the sets (18) are alternately electrically connected in pairs from the second clamp while the n clamps (20b) of the other one of the sets (19) are alternately electrically connected in pairs from the first clamp in order to be able to electrically couple the n electrochemical cells (6') in series.
Resumen de: EP4738589A1
0001 The present application relates to the field of lithium battery technology, and particularly to a battery pack. The battery pack includes a cell module, at least one thermal protection component, a plurality of support bars, a bottom plate, a housing, and a gas passage crossbeam. The bottom plate is connected to the housing such that the bottom plate and the housing together enclose an accommodation space. The bottom of the cell module is provided with at least one row of explosion-proof valves. The cell module is disposed on the thermal protection component, and each thermal protection component is disposed corresponding to one row of explosion-proof valves. The thermal protection component is disposed on the bottom plate with the support bars disposed on both sides of each thermal protection component. The cell module is disposed on the bottom plate via the support bars, such that two support bars disposed on both sides of the thermal protection component, the thermal protection component, and the bottom of the cell module together enclose an exhaust passage. The gas passage crossbeam is disposed on the bottom plate, and the exhaust passage is in communication with the gas passage crossbeam. The housing includes an exhaust portion, and the exhaust passage is in communication with the exhaust portion via the gas passage crossbeam. The battery pack of the present application improves the discharge speed of vent gas and achieves electrical and thermal separation within
Resumen de: EP4738467A1
A negative electrode active material 10 according to the present disclosure includes: a carbon phase 1; and Si-Ni-containing particles 2 dispersed in the carbon phase 1. A percentage of Ni in the Si-Ni-containing particles 2 may be 0.01 mass% or more and 5.0 mass% or less. A secondary battery according to the present disclosure includes: a negative electrode including the negative electrode active material according to the present disclosure; a positive electrode; and a nonaqueous electrolyte.
Resumen de: EP4738483A1
0001 A lithium primary battery including a wound electrode group, and a nonaqueous electrolyte solution. The electrode group includes a positive electrode having a belt shape, and a negative electrode having a belt shape, which are spirally wound with a separator disposed between the positive electrode and the negative electrode. The positive electrode contains both manganese dioxide and fluorinated graphite. The negative electrode includes a lithium alloy. The lithium alloy contains magnesium, and the content of the magnesium in the lithium alloy is 0.01 mass% or more and 11 mass% or less.
Resumen de: EP4738555A1
This electric power storage device comprises an electrode body and an exterior body that seals the electrode body. The exterior body has: an exterior film that wraps the electrode body; and a lid body that seals the electrode body together with the exterior film. The exterior film includes a barrier layer including a metal material. The lid body includes a portion containing a metal material. The barrier layer of the exterior film and the portion including the metal material of the lid body are directly bonded to each other.
Resumen de: EP4485643A1
0001 The invention relates to a valve unit (10), which is configured for electrolyte injection, comprising a fluid port (11) for connecting an electrolyte source and comprising a joining portion (12), wherein the joining portion (12) comprises at least two surfaces (21, 22) which are configured for connecting at least one layer of a battery cell housing (101), and comprising at least one fluid channel (13), wherein the at least one fluid channel (13) is protruding through the fluid port (11) and the joining portion (12), characterized in that the fluid channel (13) is repeatedly openable and closeable and the fluid port (11) comprises a locking portion (14) at its outer surface. Furthermore, the invention relates to a manufacturing state battery cell (110) and to a method (50).
Resumen de: EP4738447A1
0001 This application discloses an electrode plate, an electrochemical device, and an electrical device. The electrode plate includes a base portion and a tab. The base portion includes a first edge connected to the tab. The tab includes an extension portion and a connecting portion. Along a length direction of the electrode plate, the extension portion includes a first side edge and a second side edge disposed opposite to each other. The connecting portion includes a third side edge and a fourth side edge disposed opposite to each other. A first connection point is formed between the third side edge and the first side edge. A third connection point is formed between the third side edge and the first edge. A second connection point is formed between the fourth side edge and the second side edge. A fourth connection point is formed between the fourth side edge and the first edge. An extension line of the first side edge intersects the first edge at a first intersection point. An angle between a ray from the first intersection point to the first connection point and a ray from the first intersection point to the fourth connection point is α<1>, satisfying: α<1> < 90°. With a line of connection from the first connection point to the third connection point serving as a first reference line, the connecting portion includes a first reinforcing region defined by the third side edge and the first reference line. This application alleviates the problems of bending and tearing of
Resumen de: WO2025006059A2
Electrochemical cells and batteries including a polymeric support system in lieu of a conventional, metal-based structures. The polymer support system provides mechanical strength and mechanical flexibility to the electrochemical cells in a manner that is advantageously greater than what is provided by conventional structures, in spite of the fact that the polymer support system contributes far less to the overall weight of the electrochemical cells. The polymer support system may be present in an interior volume of an electrochemical cell, e.g., in the form of a continuous polymeric network penetrating various components of the electrochemical cell. The penetrating structures may include the anode and cathode current collectors, and any/all components therebetween. Additionally or alternatively, the polymer support system may include various forms of external support structures, chemical anchors, coatings and/or casings of the electrochemical cell. Additional advantageous characteristics include improved recyclability and increased longevity of the electrochemical cells.
Resumen de: WO2025002872A1
The invention relates to an electrochemical element comprising: - at least one positive electrode comprising, as positive active material, at least one lithium phosphate compound of formula LixMn1-y-zFeyMzPO4 with 0.8 ≤ x ≤ 1.2; 0 ≤ 1-y-z < 1; 0 < y ≤ 1; 0 ≤ z ≤ 0.6; and M selected from the group consisting of: B, Mg, Al, Si, Ca, Ti, V, Cr, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, W, S, K, Pb and mixtures thereof; - at least one negative electrode; - at least one electrolyte comprising at least one additive chosen from: tris(trimethylsilyl) phosphite (TMSP), hexanetricarbonitrile (HTCN) and any mixture thereof.
Resumen de: WO2025003357A1
The present invention relates to a porous electrode for use in electrical energy storage or production devices, such as a lithium ion battery. Said porous electrode is a porous layer comprising at least an active electrode material P and an electronic conductive oxide material.
Resumen de: WO2025003608A1
The invention relates to an electrolyte for a lithium-ion battery, comprising, in percent by weight relative to the weight of the electrolyte: - between 8% and 20% lithium salt which comprises at least a mixture of LiFSI and LiPF6, - between 0.5% and 1.5% methylene methane disulfonate, - a complementary additive, the weight percentage of which does not exceed 5%, - a sufficient quantity of a non-aqueous organic solvent. The invention also relates to a lithium-ion battery comprising said electrolyte.
Resumen de: EP4738456A1
0001 A negative electrode sheet, an electrochemical device, and a preparation method for the negative electrode sheet, relating to the technical field of secondary batteries. The negative electrode sheet comprises a current collector and a negative electrode active material layer. The negative electrode active material layer is located on at least one side of the current collector, and the negative electrode active material layer comprises a first active material layer and a second active material layer; the first active material layer and the second active material layer are stacked in the direction close to the current collector; and the structural stability parameter ratio S1/S2 of the first active material layer to the second active material layer satisfies 0.01-10.0. According to the negative electrode sheet, the electrochemical device, and the preparation method for the negative electrode sheet, by adjusting structural stability parameters of a double-layer structure in the negative electrode active material layer, the negative electrode active material layer forms a structure having a gradually decreasing hardness in the direction close to the current collector, so as to effectively optimize the pore distribution and the structural stability of the negative electrode active material layer, thereby improving the fast charging, cycle and storage performance of a lithium ion battery.
Resumen de: WO2025006736A2
The invention describes spirobisindane and spirobischromane copolymers of intrinsic microporosity for use in separators in electrochemical cells.
Resumen de: WO2025006758A2
A current collector apparatus is provided. In one aspect, a current collector (40) includes a first metallic layer (52), a second metallic layer (54), and a porous polymeric layer (56) positioned between the first metallic layer (52) and the second metallic layer (54). In another aspect, a current collector employs a porous polymeric layer (56) including pores (60) and metallic particles (62) disposed therein. The metallic particles (62) electrically connect the first and second metallic layers (52), (54). Each of a first metallic layer (52) and a second metallic layer (54) has a first average thickness (58) that is about 1 nanometer to about 5 micrometers, a porous polymeric layer (56) has a second average thickness (70) that is about 10 nanometers to about 200 micrometers, and/or the current collector (40) has a third average thickness (72) that is about 12 nanometers to about 210 micrometers.
Resumen de: WO2025006187A1
An electrode assembly includes unit cells stacked in a longitudinal direction, each unit cell including an electrode structure, a separator, and a counter-electrode structure. The electrode structure includes an electrode current collector and an electrode active material layer. The counter-electrode structure includes a counter-electrode current collector and a counter-electrode active material layer. An end portion of the counter-electrode current collector extends past the counter-electrode active material and the separator. The end portion of the counter-electrode current collector is bent to define a bent end portion of the respective counter-electrode current collector. The bent end portions of at least some of the counter-electrode current collectors overlap the bent end portion of an adjacent counter-electrode current collector. The electrode assembly also includes a counter-electrode busbar extending across and attached to the bent end portions such that the counter-electrode current collectors are electrically connected to and are disposed inboard of the counter-electrode busbar.
Resumen de: WO2025002805A1
The invention relates to a lithium-ion electrochemical element comprising: - a positive electrode comprising one or more positive active materials, one of them being a lithium manganese iron phosphate, - a negative electrode comprising one or more negative active materials, one of them being a composite of silicon and carbon, - an electrolyte comprising a mixture of solvents and one or more lithium salts dissolved in the mixture of solvents, the mixture of solvents comprising at least one fluorinated cyclic carbonate, the other solvent(s) being chosen from non-fluorinated cyclic carbonates or non-fluorinated linear carbonates, the volume proportion of fluorinated cyclic carbonate representing from 10% to 30% of the total volume of the solvents, at least one lithium salt being lithium bis(fluorosulfonyl)imide Li(FSO2)2N.
Resumen de: WO2025003609A1
The invention relates to an electrolyte for a lithium-ion battery, comprising, in percent by weight relative to the weight of the electrolyte: - between 8% and 20% lithium salt which comprises at least a mixture of LiFSI and LiPF6, - between 0.5% and 1.5% methylene methane disulfonate, - between 0.25% and 2% ethylene sulfate, - a complementary additive, the weight percentage of which does not exceed 2.5%, - a sufficient quantity of a non-aqueous organic solvent. The invention also relates to a lithium-ion battery comprising said electrolyte.
Resumen de: EP4738594A2
0001 Provided is a lithium secondary battery with reduced Hi-pot defects and improved capacity retention rate. According to one aspect of the present disclosure, there is provided a lithium secondary battery including an anode, a cathode, and a separator interposed between the anode and the cathode, in which the anode includes a Si-based anode active material, the separator includes a separator substrate having a plurality of pores and including a polyolefin resin, the polyolefin resin has a polydispersity index (PDI) of 2.5 to 4.2, an average pore size of 20 to 40 nm, and a maximum pore size of 50 nm or less.
Resumen de: EP4738494A1
This application discloses an electrode assembly and a battery cell. The electrode assembly includes a first electrode plate unit and a second electrode plate unit that are wound together. A polarity of the first electrode plate unit is opposite to that of the second electrode plate unit. At least one of the first electrode plate unit or the second electrode plate unit includes an electrode plate, a tab, and a separator. The separator includes a first separator film and a second separator film arranged on two opposite sides of the electrode plate respectively in a thickness direction of the electrode plate. The first separator film includes a first extension portion extending beyond an edge of the electrode plate along a width direction of the electrode plate. The second separator film includes a second extension portion extending beyond the edge of the electrode plate along the width direction of the electrode plate. The tab is disposed on the electrode plate. The tab extends out of the separator from between the first extension portion and the second extension portion. A part of the first extension portion is connected to a part of the second extension portion to form sealing regions. There are at least two sealing regions. The sealing regions avoid the tab. The electrode assembly provided herein can effectively improve anti-drop performance of the battery cell.
Resumen de: EP4738455A1
0001 A negative electrode material, a negative electrode plate, an electrochemical apparatus, and an electric device are provided. The negative electrode material includes a core and a shell layer. The core is porous carbon with pores; where a silicon material is present on wall surfaces of the pores. The shell layer is a carbon material, and the shell layer encapsulates the core surface, sealing the pores. In the negative electrode material, the porous carbon and the carbon material of the shell layer have a disordered structure, resulting in less lithium storage. The pores serve as the primary region for lithium storage, with the silicon material present on the wall surfaces of the pores. The silicon material, as a lithiophilic substance, can induce lithium to enter the pores of the core from the external shell layer of the negative electrode material, enabling deposition position to be controlled during lithium metal deposition, reducing non-uniform lithium metal deposition, and thereby facilitating an improvement in the specific capacity and cycling performance of lithium-ion batteries.
Resumen de: EP4738598A2
0001 The present application provides a bracket (100), a battery assembly (10), an electric apparatus (1), and a preparation method and device (6) of the battery assembly (10), and relates to the field of batteries. The bracket (100) is configured to be connected to a battery (300) and an electric apparatus (1) body; the battery (300) includes a first connector (310) for outputting electric energy; and the bracket (100) includes a bracket body (110) and a second connector (140). The bracket body (110) is configured to fix the battery (300). The second connector (140) is mounted on the bracket body (110); and a connecting end of the second connector (140) faces towards a gravity direction, so that the first connector (310) can be butted with the second connector (140) along the opposite direction of the gravity direction, thereby realizing electric connection between the first connector (310) and the second connector (140). Such a structure will not damage the first connector (310) and/or the second connector (140) due to the gravity of the battery (300) so as not to affect the use of the battery (300) or the electric apparatus (1). In the process of mounting the battery (300) , the first connector (310) can be butted with the second connector (140) only by pushing the battery (300) to move along the opposite direction of the gravity, which is convenient and fast.
Resumen de: EP4738588A2
0001 A battery cell, including an electrode assembly and a packaging bag, where the electrode assembly includes a tab, the packaging bag is configured to accommodate the electrode assembly, a sealing zone is formed on a periphery of the packaging bag, one end of the tab is electrically connected to a body of the electrode assembly, and the other end of the tab protrudes out of the sealing zone; the sealing zone is provided with a weak zone, and in a predetermined temperature range, a packaging tension of the weak zone in the packaging bag reduces to release gas inside the battery cell to the outside of the battery cell. This application further discloses an electronic apparatus, including a battery, where the battery includes a battery cell and a housing accommodating the battery cell, and the battery cell includes the foregoing battery cell.
Nº publicación: EP4737397A2 06/05/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD [HK]
Contemporary Amperex Technology (Hong Kong) Limited
Resumen de: EP4737397A2
0001 This disclosure relates to the field of electrochemistry, and in particular, to a positive electrode material. The positive electrode material of this disclosure includes a substrate, with a formula of the substrate being Li O
BOPI
Sede Electrónica
