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1367
resultados
Última actualización
31/10/2026 [07:40:00]
Resultados 425 a 450 de 1367
Resumen de: WO2025132353A1
The present invention relates to Li-rich Mn-rich cathode active material comprising high- valence transition metal ions, such as Mo, exhibiting high capacity comprising Li, M and O, wherein M comprises: Ni in a molar ratio x, wherein 0.10 ≤ x ≤ 0.50 relative to M; Mn in a molar ratio y, wherein 0.50 ≤ y ≤ 0.80 relative to M; and Mo in a molar ratio z, wherein 0.001 ≤ z < 0.05 relative to M; wherein the molar ratio of Li to M (Li/M) is between 1.00 and 1.60; and wherein the content of Li, Ni, Mn and Mo is measured by ICP-AES, and x+y+z is 1.00.
Resumen de: EP4832222A1
0001 The present disclosure provides a separator for an electrochemical device, the separator including: a porous polymer substrate; and an inorganic coating layer covering one surface or both surfaces of the porous polymer substrate, wherein the inorganic coating layer includes a plurality of adhesive polymer columns each having a predetermined volume, the polymer column is made of a polymer material and has no pores, at least a portion of the polymer column is exposed on a surface of the inorganic coating layer while another portion thereof is in contact with the surface of the porous polymer substrate, at least one of the polymer columns is spaced apart from another polymer column by a predetermined distance, spaces between the polymer columns are filled with inorganic particles, and an area occupied by the surface area of the polymer column exposed on the surface of the inorganic coating layer is 10% to 80% relative to 100% of the surface area of the inorganic coating layer based on a top-view image of the separator.
Resumen de: EP4831122A1
0001 Provided is a carbon material that exhibits excellent conductivity and exhibits excellent charge/discharge characteristics, battery capacitance characteristics, and rapid discharge characteristics when an electrochemical element electrode is produced therefrom. A carbon material according to the present invention is formed from a carbonaceous outer shell having a graphene structure, and has pores. In the carbon material, the BET specific surface area is in a range of 100-2500 m<2>/g. The total pore volume measured by nitrogen adsorption/desorption measurement is at least 0.30 cc/g. With respect to the total pore volume, the volume percentage of pores each having a pore diameter of 10 nm or more is at least 30% and the volume percentage of macropores which are pores each having a pore diameter of more than 50 nm is at least 5%. The mode pore diameter is in a meso pore region, which is 2-50 nm.
Resumen de: EP4832221A1
0001 A separator according to the present disclosure not only has excellent adhesion to an electrode but also ensures sufficient porosity, thereby exhibiting excellent resistance and ion conductivity properties. In addition, the separator is in close contact with the electrode without a gap at an interface therebetween, thereby ensuring excellent long-term lifespan properties of a battery. In addition, the time taken for a lamination process may be reduced during electrode assembly manufacture, thereby achieving high process efficiency in battery manufacture.
Resumen de: WO2025132824A1
The invention relates to a process for preparing a component of a rechargeable battery, wherein a composition comprising a) water, b) an electrically conductive carbon-based material, and c) a polymer comprising repeating units of polymerized monomers of i) a vinyl aromatic monomer, ii) a polyether acrylate or polyether methacrylate, and iii) an ethylenically unsaturated monomer having 1 or 2 carboxylic acid groups, wherein at least a part of the carboxylic acid groups is present in salt form, is employed for preparing the component.
Resumen de: WO2025132848A1
The present disclosure relates to a continuous process and a production plant for recovering metal salts from an acidic aqueous solution comprising nickel, cobalt, manganese, and lithium cations.
Resumen de: WO2025134006A1
The present invention relates to a process for the recovery of purified graphite materials from a recycled graphite concentrate, the process comprising: treating the recycled graphite concentrate in a caustic leach step, the caustic leach step comprising the contact of the recycled graphite concentrate with a sodium hydroxide solution at a temperature of at least 200°C and elevated pressure, and recovering a solid caustic leach product; and treating the solid caustic leach product in an acid leach step, the acid leach step comprising the contact of the solid caustic leach product with an acidic solution, and recovering a solid acid leach product, wherein the solid acid leach product comprises a purified graphite material.
Resumen de: EP4832227A1
0001 A battery cell (10), a battery, and an electrical device. The battery cell (10) comprises a casing (1), an electrode assembly (2), a separation member (4), and a pressure relief mechanism (131). The casing (1) is provided with a first wall part (13), the pressure relief mechanism (131) is disposed on the first wall part (13), the electrode assembly (2) is accommodated in the casing (1), and the electrode assembly (2) and the first wall part (13) are oppositely arranged in a first direction (Z). The separation member (4) is arranged between the first wall part (13) and the electrode assembly (2), the separation member (4) is provided with a clearance space (41), the projection of the pressure relief mechanism (131) is at least partially located in the clearance space (41) in the first direction (Z), and the clearance space (41) is configured to provide clearance for the pressure relief mechanism (131). By means of providing the separation member (4) between the first wall part (13) and the electrode assembly (2), the distance between the electrode assembly (2) and the first wall part (13) is increased. Since the separation member (4) is provided with the clearance space (41), the clearance space (41) can provide clearance for the pressure relief mechanism (131), thereby reducing the risk of the pressure relief mechanism (131) being damaged due to the separation member (4) directly impacting the pressure relief mechanism (131) when the electrode assembly (2) expands and
Resumen de: EP4832173A1
0001 Provided is a cooling heat exchanger, which has a new structure and is capable of more efficiently exhibiting cooling performance. A cooling heat exchanger 10 has formed therein a cooling flow passage 36, through which a cooling heat medium flows, and cools a cooling target 52 superposed on a cooling surface 16. The cooling flow passage 36 is composed of a plurality of flow passage parts 40 extending adjoiningly in parallel, and is provided with a parallel flow passage part 38 in which the heat medium-flowing directions in the flow passage parts 40 are the same. A plurality of projections 42 which disturb the flowing of the heat medium are formed in the parallel flow passage part 38. Regions in which the actions of disturbing the flowing of the heat medium by the projections 42 are different from each other are set in the parallel flow passage part 38.
Resumen de: EP4832161A1
The present application relates to a composite thermal insulation pad, a battery, and an electric device. The composite thermal insulation pad comprises: a thermal insulation pad body; and a thermally conductive layer, which is arranged in the thermal insulation pad body. According to the composite thermal insulation pad, on one hand, the thermal insulation pad body can achieve the effect of thermal insulation; and on the other hand, the thermally conductive layer is arranged in the thermal insulation pad body, and if heat is conducted to the interior of the thermal insulation pad body to reach the thermally conductive layer, the thermally conductive layer can rapidly and uniformly diffuse the heat throughout the surrounding area, thereby achieving the effect of rapid heat dissipation. The composite thermal insulation pad is applied to the battery; the thermal insulation pad body mainly achieves the effect of thermal insulation under the normal working state of the battery; and when abnormal battery heating occurs, the thermally conductive layer can achieve rapid heat diffusion, thereby achieving the effect of retarding thermal runaway of the battery.
Resumen de: EP4832138A1
0001 A sodium-ion battery and a power-consuming device are provided. The sodium-ion battery includes a positive electrode, a negative electrode, a separator, and an electrolyte. The electrolyte includes a cyclic carbonate solvent and/or a carboxylic ester solvent. A numerical ratio of a mass fraction of the cyclic carbonate solvent in the electrolyte to a sum of a D50 particle size of a positive electrode active material and a D50 particle size of a negative electrode active material is 0.005:1 to 0.2:1. A numerical ratio of a mass fraction of the carboxylic ester solvent in the electrolyte to the sum of the D50 particle size of the positive electrode active material and the D50 particle size of the negative electrode active material is 0.002:1 to 0.1:1. A unit of the D50 particle sizes is ¡.tm. With a proper design of a specific association relationship between the D50 particle sizes of the positive and negative electrode active materials and the electrolyte solvent, the sodium-ion battery can effectively balance ion transport and ion diffusion capabilities in battery charging and discharging processes, and improve low-temperature kinetics of the battery while also considering high-temperature performance.
Resumen de: WO2025131312A1
Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a slurry mixing apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the slurry mixing apparatus which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system which is preferably based on in-line measurement of quality parameters allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.
Resumen de: WO2025131317A1
Aspects and embodiments of the present invention provide methods for closed-loop control of apparatus and systems for electrode manufacturing. Particularly, a method of controlling a coating apparatus and a method of controlling an electrode manufacturing system are provided. A closed-loop control method of the coating apparatus, which is preferably based on in-line measurement of quality parameters, and a closed-loop overall control method of the electrode manufacturing system, which is preferably based on in-line measurement of quality parameters, allows for improvements in material and energy efficiency, improved accuracy and reliability in achieving quality, performance and safety targets of an electrochemical energy storage device.
Resumen de: EP4831211A1
One embodiment of a propylene/α-olefin copolymer includes a constituent unit (i) derived from propylene and a constituent unit (ii) derived from an α-olefin having 5 to 20 carbon atoms, and satisfies the following requirements (A1) and (A2):(A1) when the total content of the constituent unit (i) and the constituent unit (ii) is taken as 100 mol%, the content of the constituent unit (i) is 70 to 99 mol% and the content of the constituent unit (ii) is 1 to 30 mol%; and(A2) the melting point (Tm) measured by a differential scanning calorimeter (DSC) is lower than 130°C or is not observed.
Resumen de: WO2025133479A1
The present invention relates to silicone compositions that are crosslinked by polyaddition reaction, intended to produce thermally conductive components. Said silicone compositions comprise at least one organopolysiloxane A having, per molecule, at least one C2-C12 alkenyl group bonded to silicon, at least one organopolysiloxane B having, per molecule, at least two SiH units, a catalytically effective amount of at least one polyaddition catalyst C, and a thermally conductive filler D, characterized in that the organopolysiloxane A has a linear structure, a viscosity at 25°C of between 50 mPa·s and 200 mPa·s, and contains between 130 ppm and 1000 ppm by mass of OH groups bonded to silicon.
Resumen de: US20250211014A1
Systems and methods to charge a battery using a switch modulator and a shaping circuit comprising at least one switching element. The shaping circuit may be configured to receive an input charge supply from a power supply and the switch modulator may be operably coupled with the at least one switching element. Further, the switch modulator may actuate the at least one switching element at a selected duty cycle such that the shaping circuit produces a shaped charge signal, the selected duty cycle configured to vary within a switch modulator sample period.
Resumen de: EP4832174A1
The present application relates to a battery, an electric device and a manufacturing process for a thermal management component. The battery comprises a case, battery cells and a thermal management component, wherein the battery cells are disposed in the case; and the thermal management component is disposed in the case and is configured to accommodate a heat exchange medium to regulate the temperatures of the battery cells. The thermal management component comprises: a heat exchange tube, which has a heat exchange flow channel, wherein an end of the heat exchange tube serves as a port of the heat exchange flow channel; a current collector, which is fitted to the end of the heat exchange tube and is in communication with the port; and an adapter, which is connected between the heat exchange tube and the current collector and is configured to connect to the current collector and the heat exchange tube in a sealing manner. In the present application, the adapter is disposed between the heat exchange tube and the current collector, and connection and fixation between the heat exchange tube and the current collector are realized by means of the adapter. The adapter is connected between the current collector and the heat exchange tube in a sealing manner, such that the current collector and the heat exchange tube are fitted more tightly, and the heat exchange tube and the adapter are connected stably, thereby improving the stability of connection between the heat exchange tube and
Resumen de: EP4832160A1
0001 The present application provides a heat exchange component, a battery, and an electric device. The heat exchange component includes a heat exchange plate and a support member. A heat exchange flow channel is provided inside the heat exchange plate. The support member is disposed in the heat exchange flow channel, and two ends of the support member are separately connected to a wall part of the heat exchange flow channel. By disposing the support member in the heat exchange flow channel, the pressure-bearing capacity of the heat exchange plate is improved, the problems in the prior art of blockage of the heat exchange component, low capacity of a heat exchange medium inside the heat exchange plate, and excessive weight of the heat exchange component, which are caused by using the solutions of increasing the wall thickness of the heat exchange flow channel and reducing the diameter of the heat exchange flow channel in order to maintain the pressure resistance of the heat exchange component, are mitigated, the heat exchange effect the heat exchange component and the reliability of the heat exchange component are improved, and the energy density of the battery is increased.
Resumen de: WO2025132854A1
The invention relates to an electric energy storage device comprising a housing, at least one rechargeable battery cell received in the housing and a open- and/or closed-loop control apparatus for controlling, in an open- and/or closed-loop manner, the charging and discharging of the at least one rechargeable battery cell and for monitoring a charging state of same, wherein the electric energy storage device comprises an electric deep discharging apparatus for irreversibly deep discharging the at least one battery cell and wherein the electric deep discharging apparatus is designed independently of the open- and/or closed-loop control apparatus and can be actuated or activated independently of same. The invention further relates to an improved battery-powered device.
Resumen de: EP4832187A1
0001 A power supply device includes one or more battery blocks that house a plurality of secondary battery cells, and an exterior case that houses the battery block. The battery block includes an intermediate holder that holds a cell intermediate region between end regions of each of the plurality of secondary battery cells, while exposing the end regions from both sides, the end regions each extending a predetermined length from a corresponding one of the cell end faces, and a pair of lid holders that are respectively disposed on both sides of the intermediate holder and cover the end regions of each of the plurality of secondary battery cells. A cooling air path through which cooling air flows to the cell intermediate region of each of the plurality of secondary battery cells is defined on an inner surface of the intermediate holder. The exterior case includes an external opening portion that communicates with the cooling air path. The power supply device further comprises end waterproof structures that provide waterproofing around boundaries between the cell intermediate region and the end regions of each of the secondary battery cells.
Resumen de: EP4832186A1
In a battery pack, an external output terminal exposed from an exterior case housing an assembled battery is fixed to an output bus bar. The external output terminal constituted by a clinching member, and the output bus bar has a connection opening into which a fixed end of the clinching member is press-fitted such that the clinching member is fixed upright. The exterior case includes a fixed portion having a terminal insertion opening, the external output terminal being fixed to the fixed portion, the clinching member passing through the terminal insertion opening, a chamfered portion is provided along at least one of an opening edge portion of the connection opening and an opening edge portion of the terminal insertion opening, which face each other, and an annular rubber-like elastic body is disposed. In a state in which the output bus bar fixed to the fixed portion, the rubber-like elastic body elastically deforms and seals between an outer peripheral surface of the clinching member and chamfered portion, such that the external output terminal is fixed to the exterior case in a waterproof structure.
Resumen de: GB2636759A
A process for preparing composite particles by chemical vapour infiltration comprises providing a charge of porous particles in a reactor, contacting the porous particles with a gaseous precursor of an electroactive material under conditions of temperature and pressure effective to cause deposition of the electroactive material into the pores of the porous particles to form the composite particles, wherein contacting comprises at least one discontinuous deposition phase during which the porous particles are contacted with a charge of the gaseous precursor and the reactor is then sealed during deposition of the electroactive material, and a continuous deposition phase during which the gaseous precursor is supplied to the reactor continuously. The electroactive material is preferably silicon. The particles may be porous carbon particles. The composite particles are suitable for use as anode active materials in rechargeable lithium-ion batteries.
Resumen de: WO2025137220A1
Embodiments in accordance with the present disclosure are directed to calibrating a battery management system (BMS) are disclosed. In a particular embodiment, a computing device generates a first CRC value for a new system configuration file to be uploaded to the BMS and after the new system configuration file is uploaded to the BMS, receives from the BMS, a second CRC value generated by the BMS after the new system configuration file is uploaded to the BMS. The computing device also determines whether the second CRC value from the BMS is identical to the first CRC value generated by the computing device and in response to determining that the second CRC value from the BMS is identical to the first CRC value generated by the computing device, validates the safety related parameter values and intended safety function associated with the safety related parameter values.
Resumen de: WO2025129644A1
The present disclosure relates to terminal adaptor connectable to a battery, the battery comprising a positive battery terminal and a negative battery terminal each located on a first end face of the battery. The terminal adaptor comprises: an abutment face configured to abut the first end face of the battery in use; and a terminal face opposite the abutment face, the terminal face comprising a positive terminal region and a negative terminal region electrically insulated from the positive terminal region. The positive terminal region is electrically connectable to the positive battery terminal and the negative terminal region is electrically connectable to the negative battery terminal. An insulating element is interposed between the positive terminal region and the negative terminal region to electrically insulate the positive terminal region from the negative terminal region. The insulating element abuts and upstands from the terminal face. The present invention also provides a battery assembly and a kit of parts each comprising the terminal adaptor and the battery, and an aerosol generating apparatus.
Nº publicación: EP4832157A1 28/10/2026
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4832157A1
The present application relates to the technical field of battery heat exchange, and specifically discloses a battery apparatus (100) and an electric device (1000). The battery apparatus (100) includes a case (110), a battery cell assembly (120), and a heat exchanger (400). The battery cell assembly (120) and the heat exchanger (400) are disposed in the case (110) and are configured to exchange heat. The heat exchanger (400) includes a heat exchange tube (410), an adapter portion (420), and a manifold (430). The heat exchange tube (410) includes a plurality of heat exchange channels (411). The adapter portion (420) is sleeved over one end of the heat exchange tube (410) and is provided with a plurality of adapter channels (421). The manifold (430) is fixed to the adapter portion (420) and is provided with a collection port (431) and at least one flow guiding channel (435). The collection port (431) is in communication with at least one of the heat exchange channels (411), and at least two of the heat exchange channels (411) are in communication with each other via the flow guiding channel (435) and the adapter channel (421) to define a heat exchange loop (450) having at least one turning portion (451).
BOPI
Sede Electrónica
