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1563
resultados
Última actualización
19/12/2025 [07:14:00]
Resultados 850 a 875 de 1563
Resumen de: CN120604378A
A battery module system for an aerosol-generating device, the battery module system comprising a battery sensor device comprising a light sensor. The battery module system further includes a battery cell including one or more indicia. The light sensor is configured to detect a change in a characteristic of the one or more indicia, the change in the characteristic being indicative of a change in a physical dimension of at least one region of the battery cell.
Resumen de: CN120712488A
The invention relates to a spectral measurement plug (200) for a battery pack (120) of an electric vehicle, an appliance, a vessel, an aircraft, a helicopter or a drone, and for performing external spectral measurements. The battery pack (120) comprises a battery cell (110) having a measurable battery pack (104) and an assembly associated with the battery cell (110), the battery pack (120) being enclosed by a housing, the spectrometric plug (200) being configured to connect the measurable battery pack (104) to a spectrometric hardware device external to the battery pack (120).
Resumen de: MX2025008808A
Top cover of a battery pack comprising a metallic coated steel sheet covered on both sides by an organic coating, wherein said organic coating is thinner on the inner side of the battery pack than on the outer side of the battery pack.
Resumen de: CN120530513A
The invention relates to a thermal conditioning device (2) for a component (4), comprising:-a dielectric fluid flow channel (6) comprising at least one dielectric fluid inlet and at least one dielectric fluid outlet (8, 10); -a partition (12) arranged to receive said components (4) such that the components (4) extend on either side of the partition (12), the partition (12) being configured to create at least two stages (Eh, Eb) of dielectric fluid flow, the stages being arranged such that a dielectric fluid entering through the inlet first passes through one of the stages defining a section (26) of the channel (6) and then passes through the other of the stages defining the section (26) of the channel (6); and then through the other of the stages defining the other section (26) of the channel (6) downstream of the preceding section (26), and the divider (12) has a free edge (27) to provide a passage for the fluid between the two stages, in particular a U-shaped passage.
Resumen de: EP4661147A1
A non-aqueous electrolyte secondary battery according to the present invention comprises: an electrode body (14) in which a long positive electrode (11) and a long negative electrode (12) are wound with a separator therebetween; a non-aqueous electrolyte; and an exterior can in which the electrode body and the non-aqueous electrolyte are housed. The negative electrode has: a non-facing part (60) which is on the winding start side from a facing part (59) that faces the winding inner side of a starting end part (11a) of the positive electrode in the winding direction and which is wound so as not to face the positive electrode; and a tab reinforcement plate group (70) which is joined to the non-facing part. The tab reinforcement plate group has a negative electrode tab (21) and reinforcement plates (71, 72). The negative electrode tab and at least one reinforcement plate are disposed so as to be arranged in a prescribed order for a total of 0.75 turns or more from a winding start end of the tab reinforcement plate group, which is an origin of winding, toward the winding end side.
Resumen de: EP4661146A1
A nonaqueous electrolyte secondary battery (10) according to one embodiment of the present disclosure is provided with: an electrode body (14) which is obtained by winding a positive electrode (11) and a negative electrode (12), with a separator (13) being interposed therebetween; a bottomed cylindrical outer package can (20) which houses the electrode body (14); a sealing body (19) which seals an opening of the outer package can (20); an insulating plate (16) which is positioned between the electrode body (14) and a bottom part (21) of the outer package can (20); and a spacer (28) which is positioned between the insulating plate (16) and the bottom part (21) of the outer package can (20). The sealing body (19) has a safety valve which releases an internal pressure of the outer package can (20) when the internal pressure is increased to a predetermined level or higher. The spacer (28) has a plurality of grooves (29) in at least one of insulating plate (16)-side surfaces, the plurality of grooves (29) extending in one direction. The plurality of grooves (29) are formed at a distance from each other in another direction that is perpendicular to the one direction.
Resumen de: EP4661139A1
A non-aqueous electrolyte secondary battery (10) includes: an electrode body (14) in which a positive electrode (11) and a negative electrode (12) are wound with a separator (13) interposed therebetween; a non-aqueous electrolyte; and an outer can (16) that accommodates the electrode body (14) and the non-aqueous electrolyte. The negative electrode (12) has a negative electrode core (40) and a negative electrode mixture layer (41) provided on the surface of the negative electrode core (40). The electrode body (14) has, on the outer peripheral surface thereof, an exposed portion (42) where the surface of the negative electrode core (40) is exposed, and the exposed portion (42) is in contact with the inner surface of the outer can (16). The non-aqueous electrolyte contains lithium hexafluorophosphate and 1-propene 1,3-sultone.
Resumen de: EP4661094A1
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The negative electrode has a negative electrode current collector, and a negative electrode mixture layer formed on a surface thereof. The negative electrode mixture layer contains a negative electrode active material including at least a Si-containing material. The negative electrode mixture layer has a first region and a second region, the first region being nearer to the negative electrode current collector than the second region. An inter-particle porosity S1 in the first region and an inter-particle porosity S2 in the second region satisfy S1 ≤ 7%, and S2 > S1. The Si-containing material has a carbon phase and silicon phases dispersed therein, and an intra-particle porosity of the Si-containing material is 6% or more and 20% or less.
Resumen de: WO2024160428A1
The present invention relates to an all-solid-state-battery (ASSB) comprising successively: an anode comprising lithium in the metallic state, at least one solid electrolyte layer comprising a solid electrolyte material, and a cathode composite comprising a cathode active material and a halide solid electrolyte, wherein the all- solid-state-battery is submitted to a pressure comprised from 0.05 MPa to 30 MPa. The invention further pertains to a process of making said ASSB comprising assembling a cell comprising the ASSB and applying a pressure ranging from 0.05 MPa to 30 MPa onto the assembled cell.
Resumen de: CN120603781A
The invention relates to a method for producing lithium sulfide with reduced or no carbon impurities, wherein the lithium sulfide containing carbon impurities is treated with hydrogen gas at a temperature in the range of 450 to 1000 DEG C. The invention also relates to lithium sulfide which can be produced in this way and which has a carbon impurity content of less than 0.3% by weight, based on the weight of the lithium sulfide. Such lithium sulfide is used to produce battery components, preferably solid electrolytes, and solid state batteries.
Resumen de: CN120677128A
The invention relates to a method for producing an over-lithiated transition metal oxide, for example Li2NiO2, from a mixture of lithium peroxide and at least one transition metal oxide or manganese-containing spinel compound in a two-stage calcination process involving temperature and atmosphere composition.
Resumen de: EP4661145A1
Disclosed is a secondary battery in which a positive electrode and a negative electrode are wound with a separator interposed therebetween. The positive electrode includes a belt-shaped positive electrode current collector, and a positive electrode mixture layer. The positive electrode has a positive electrode end part including one end thereof in the lateral direction, and a positive electrode main part other than that. The positive electrode end part has an exposed portion of the positive electrode current collector provided intermittently at a plurality of positions along the longitudinal direction of the positive electrode current collector, and the exposed portion is free of the positive electrode mixture layer from the one end in the lateral direction through to the positive electrode main part. The negative electrode includes a belt-shaped negative electrode current collector. The negative electrode has a negative electrode end part facing at least part of the positive electrode end part, and a negative electrode main part other than that. The expansion rate of the negative electrode is higher at the negative electrode end part than at the negative electrode main part.
Resumen de: EP4661190A1
A composition for an electrochemical device functional layer contains a particulate polymer having a particle diameter distribution that satisfies specific aspects and having a hydroxyl group surface localization rate of 25% or more.
Resumen de: EP4660647A1
In a battery analysis system, a data reception unit receives battery data of a battery pack mounted on an apparatus via the apparatus or a data relay system. A battery data retention unit stores the battery data that have been received. A battery state analysis unit reads the battery data that has been stored, analyzes the battery data that has been read, and estimates a battery state for each predetermined analysis item. A data amount controller controls an amount of battery data to be stored in the battery data retention unit according to at least one analysis item selected by a user.
Resumen de: EP4661182A1
A split battery holder is securely bonded together while retaining a plurality of rechargeable battery cells. The power source apparatus 100 holds a plurality of rechargeable battery cells 1 in a first battery holder 2A and a second battery holder 2B joined together through a bonding layer 4. The first battery holder 2A is provided with a plurality of first holder cylindrical sections 21, a first mating surface 22, and a plurality of side wall extensions 23. Cell exposed regions 24 are established between adjacent side wall extensions 23, and filling grooves 41, which hold adhesive 40, are formed in regions surrounded by rechargeable battery cells 1 and side wall extensions 23. The second battery holder 2B is provided with a plurality of second holder cylindrical sections 31, a second mating surface 32, and protruding posts 33. The protruding posts 33 insert into filling grooves 41 but are configured not to make contact with the first mating surface 22 or the side wall extensions 23. When the first battery holder 2A and the second battery holder 2B are connected, protruding posts 33 are inserted in the filling grooves 41 and are bonded and attached to the first battery holder 2A and rechargeable battery cells 1 via the bonding layer 4.
Resumen de: EP4660133A1
Provided are: Si-C composite particles containing a carbon material and silicon, wherein the Si-C composite particles have a true density by dry density measurement using helium gas of 2.20 g/cm3 or less, a peak is present at 450-495 cm-1 in a Raman spectrum of the Si-C composite particles, and the change in volume calculated by the following formula between before and after stirring in water is 10% or less; a negative electrode mixture layer for a lithium ion battery; and a lithium ion battery. Change in volume (%) = {1 - (volume (cm3) of spheres the diameter of which is the 50% particle size (Dn50) in a number-based cumulative particle size distribution of the Si-C composite particles after stirring in water)/(volume (cm3) of spheres the diameter of which is the 50% particle size (Dn50) in a number-based cumulative particle size distribution of the Si-C composite particles before stirring in water)}×100
Resumen de: EP4661086A1
The present invention is a drying method for a coating film. A metal foil current collector 1 having a long strip shape and being conveyed in one direction is intermittently or continuously coated with a coating liquid 2 as an active material mixture for a secondary battery, whereby a coating film 3 is formed on the current collector 1. The metal foil current collector 1 is sent to a drying step, and the metal foil current collector 1 is heated such that the coating film 3 is dried in the drying step. Before or during the drying step for the coating film 3, the coating film 3 is irradiated with a laser beam L such that a hole 3h is formed in the coating film 3.
Resumen de: US2025353348A1
The present disclosure relates to a thermal management system for a battery. The system comprises a solid component and a liquid conveying component for efficient heat dissipation in a battery comprising plurality of cells enclosed in a casing. The solid component is a powder mixture comprising organic and inorganic compounds mixed in optimum ratio for exchanging heat with the plurality of cells. The liquid cooling component comprises of plurality of liquid conveying component arranged for the flowing liquid coolant to exchange heat with the solid component and conveying the heat out of the battery.
Resumen de: CN120642057A
The present invention relates to a sodium ion battery comprising a positive electrode composition having improved battery performance and moisture and air stability. The positive electrode composition has the general formula NaxAzNiiMyMnjTikSbfO2, where A is an alkali metal or alkaline earth metal selected from Ca, Li, M is a divalent element or trivalent element selected from Fe, Mg, Zn, Cu, Al, Co, and Ni is a divalent element, Mn, Ti are tetravalent elements, and Sb is a pentavalent element/trivalent element, where (i + j + k + f + y = 1), 0.7 < = x < = 1, 0 < = z < = 0.2, 0.1 < = i < = 0.6, 0 < = y < = 0.5, 0.1 < = j < = 0.5, 0.05 < = k < = 0.4, and 0 < = f < = 0.2. The invention is suitable for energy storage application.
Resumen de: EP4661172A1
The present invention relates to a sealing film for sealing between an electrode lead wire and a housing container, in which the sealing film has high adhesive strength, excellent heat resistance and dimensional stability, and high durability against an electrolyte; a metal terminal; a battery; and a device. More specifically, the present invention relates to a sealing film for sealing between an electrode lead wire electrically connected to a battery main body and a housing container housing the battery main body, in which the sealing film has an adhesive layer containing an acid-modified polypropylene resin at a surface on a side to be bonded to the electrode lead wire, the adhesive layer has a thickness of 30 um or less, and the adhesive layer has an elastic modulus of 1000 MPa or more and does not have a solidification point peak in a range of 90 to 110°C in measurement with a differential scanning calorimeter (DSC); a metal terminal; a battery; and a device.
Resumen de: EP4661181A1
The present disclosure discloses a battery pack cover, a battery pack, and a vehicle. The battery pack cover (100) includes: a first substrate (10), where a thickness of the first substrate (10) is a<sub>1</sub>, in mm, and a thermal conductivity of the first substrate (10) is b<sub>1</sub>, in W/(m·K); and a second substrate (20), where the second substrate (20) is located on a side of the first substrate (10), a thickness of the second substrate (20) is a<sub>2</sub>, in mm, and a thermal conductivity of the second substrate (20) is b<sub>2</sub>, in W/(m·K), where the first substrate (10) and the second substrate (20) satisfy the following condition: 6.67 < a<sub>1</sub>/b<sub>1</sub> + a<sub>2</sub>/b<sub>2</sub> < 100.04.
Resumen de: EP4661134A1
The present application provides a battery assembly and an electric device. The battery assembly comprises first batteries and second batteries; the first batteries expand during charging and contract during discharging; and the second batteries contract during charging and expand during discharging. The battery assembly can effectively solve the problem of capacity attenuation caused by excessive volume change or excessive pressure change of batteries during charging and discharging, and can be used for providing an electric device having long battery life and continuous and stable battery life.
Resumen de: EP4661112A1
Silicon-carbon negative electrode material and preparation method therefor, negative electrode sheet, and electrochemical deviceThis application relates to the technical field of battery negative electrode materials, and specifically to a silicon-carbon negative electrode material and a preparation method therefor, a negative electrode plate, and an electrochemical apparatus. The silicon-carbon negative electrode material includes carbon and modified particles dispersed in the carbon, the modified particles include silicon carbide and silicon; and the silicon is at least partially connected to the carbon through the silicon carbide, and a mass ratio of the silicon carbide to the silicon is 1:1-50.
Resumen de: EP4661091A1
A secondary battery includes an electrode assembly (10), and the electrode assembly (10) includes a positive electrode plate (20), a negative electrode plate (30), and a separator (40). The separator (40) is disposed between the positive electrode plate (20) and the negative electrode plate (30), and the negative electrode plate (30) includes a negative electrode current collector (31) and a negative electrode active material layer (32). A surface of the negative electrode active material layer (32) opposite the positive electrode plate (20) has a groove (321), a depth of the groove (321) being H µm. The separator (40) includes a substrate layer (41) and an adhesive layer (43), a thickness of the adhesive layer (43) being T µm, and satisfying: H ≥ T + 1.
Nº publicación: PL451823A1 08/12/2025
Solicitante:
OSUNG HITECH CO LTD [KR]
JEONGAN SYSTEM CO LTD [KR]
OSUNG HITECH CO., LTD,
JEONGAN SYSTEM CO., LTD
Resumen de: US2025208222A1
Provided is a quality inspection device and method for a pouch-type secondary battery cell, which inspects the quality of a plate, a bent portion, or a weld portion of a pouch-type secondary battery cell. An AC signal generating unit generates an AC signal. A magnetic field generating unit generates a magnetic field in accordance with the generated AC signal and induces a current to flow in a pouch-type secondary battery cell. At least one induced current detection sensors each detect the signal of the induced current flowing in the pouch-type secondary battery cell. A control/judgment unit compares the detected induced current signal with a value of a preset judgment range and judges the quality of the pouch-type secondary battery cell.
BOPI
Sede Electrónica
