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1839
resultados
Última actualización
25/06/2025 [08:05:00]
Resultados 800 a 825 de 1839
Resumen de: EP4571859A1
The invention relates to a method of specifying a target slurry for a target battery cell, comprising: providing, for at least one reference slurry, a set of reference production parameters,providing predefined target requirements defining at least one target slurry property of the target slurry,inputting the set of reference production parameters and the target requirements into a model, wherein in response the model:estimates a matching score of the reference slurry with respect to the target slurry, and/oridentifies at least one target production parameter from the set of reference production parameters which is estimated to be relevant to achieve the target requirements.
Resumen de: EP4571933A1
A first aspect of the present disclosure is related to a battery cell system, comprising:- one or more battery cells each comprising a housing, wherein the housing comprises a bursting membrane ;- a cooling means formed along the one or more battery cells and comprising a cooling fluid ;wherein, if the bursting membrane of a battery cell bursts, it is configured to open the cooling means such that the cooling fluid enters the battery cell.
Resumen de: EP4571927A1
The present disclosure relates to a method of producing an energy storage device. The energy storage device comprises an electrode-separator stack. The electrode-separator stack comprises at least a first electrode sheet and a second electrode sheet on top of the first electrode sheet. The electrode-separator stack comprises at least a first separator sheet of a separator foil below the first electrode sheet, a second separator sheet of the separator foil between the first electrode sheet and the second electrode sheet, and a third separator sheet of the separator foil on top of the second electrode sheet. The method comprises forming the electrode-separator stack. The method comprises sealing the separator foil at one or more lateral sides of the electrode-separator stack. Sealing the separator foil at one or more lateral sides comprises forming one or more sealed portions of the separator foil that connect the first separator sheet, the second separator sheet and the third separator sheet of the separator foil.
Resumen de: EP4572001A1
An embodiment of the present invention relates to a secondary battery, and a technical object of the present invention for solving the above problem is to provide a secondary battery capable of improving liquid injectability.For this, the present invention discloses a secondary battery including: an electrode assembly comprising a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate; a can having ends that are opened to left and right sides and provided with a space therein to accommodate the electrode assembly; a first cap plate configured to seal the left end of the can; a second cap plate configured to seal the right end of the can; a first terminal installed on the first cap plate so as to be electrically connected to the first electrode plate; a second terminal installed on the second cap plate so as to be electrically connected to the second electrode plate; a first liquid injection hole defined in the first cap plate; and a second liquid injection hole defined in the second cap plate.
Resumen de: EP4571908A1
A first aspect of the present disclosure is related to a battery cell, comprising:- an electrode stack with two electrode layers, an anode layer and a cathode layer, that are arranged over each other and wound-up as a role such that it comprises a curved surface, a top and a bottom;- a plurality of tabs arranged at an edge of an electrode layer such that the tabs extend towards the top or the bottom of the electrode stack role and wherein the tabs comprise an angled part each, which is angled towards the respective top or bottom ;- wherein the angled parts form a pre-defined pattern.
Resumen de: EP4572002A1
The present disclosure relates to the field of battery technologies, and more particularly, to a battery cell, a battery, an electric apparatus, a welding method, and a welding device. The battery cell includes: an end cover having an injection hole defined thereon; and a seal sealingly connected to the injection hole. A first weld segment and a second weld segment are formed between the seal and the end cover. An annular weld seam of the seal is formed by enclosing with at least a part of the first weld segment and at least a part of the second weld segment together. The first weld segment is formed by continuous laser light. The second weld segment is formed by pulsed laser light. As the present disclosure can combine a high welding rate of the continuous laser light and a high excellent rate of the pulsed laser light, problems of a low welding speed and a low excellent rate during welding for the seal can be avoided, contributing to improving a welding rate and a welding yield rate of the seal.
Resumen de: EP4570882A1
A method for producing a petroleum-based high softening point pitch according to the present invention comprises: an oxidation heat treatment step for charging a raw material comprising petroleum residue with an oxidizing gas and heating them; and a reduced pressure heat treatment step for heating the product of the oxidation heat treatment step under reduced pressure conditions, wherein the petroleum residue has an aromatization index value of at least 0.73, and the boiling point of the petroleum residue when 70 vol% has been distilled on a distillation curve measured according to the method of ASTM D86 is at least 300°C. In the reduced pressure heat treatment step, the rate of increase of the softening point of the product of the oxidation heat treatment step while 1/3 of the total reduced pressure heat treatment reaction time passes may be 10-20°C/h, and the produced high softening point pitch may have a softening point of 150-300°C and a coking value of 58-85 wt%.
Resumen de: EP4571891A1
The disclosure aims to provide a polytetrafluoroethylene for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene for use in electrochemical device binders, the polytetrafluoroethylene having a number average molecular weight of 3.0 × 10<sup>6</sup> or more.
Resumen de: EP4571991A1
Provided are an electrical storage device having high airtightness, a reinforcement component that is used for the electrical storage device, and a method for manufacturing the electrical storage device.This power storage device comprises: an electrode body; an electrode terminal electrically connected to the electrode body; a reinforcement component disposed on a lateral side of the electrode body; and an exterior film packaging the electrode body and the reinforcement component. The electrode terminal has an exposure part which is a portion exposed to the outside of the electrode body on the side opposite to the reinforcement component. The exposure part is partially joined to the exterior film.
Resumen de: EP4571893A1
The disclosure aims to provide a fluororesin for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a fluororesin for use in electrochemical device binders, the fluororesin including a tetrafluoroethylene unit and a chlorotrifluoroethylene unit.
Resumen de: EP4571890A1
The disclosure aims to provide a fluororesin for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a fluororesin for use in electrochemical device binders, the fluororesin including a tetrafluoroethylene unit and a vinylidene fluoride unit and having an endothermic peak temperature of 320°C or higher.
Resumen de: EP4571955A1
In one aspect the present invention concerns a battery (30) comprising:- a cup-shaped bottom container (1) to accommodate an electrode assembly (4), the bottom container (1) comprising a base (2) and an upstanding sidewall (3) along an outer circumference of the base (2),- a lid (10) comprising:o an inner electrically conductive portion (11),o an intermediate insulating portion (13) surrounding the inner electrically conductive portion (11), ando a peripheral adapter portion (12, 15) forming or constituting an outer peripheral edge portion (26) of the lid (10) and fixable to the sidewall (3) of the bottom container (1) via the outer peripheral edge portion (26), wherein the peripheral adapter portion (12, 15) is sized, shaped and/or configured to bridge a gap between an outer edge (28) of the intermediate portion (13) and an inside perimeter of the sidewall (3).
Resumen de: EP4571337A1
An apparatus for calculating battery energy includes a memory storing relationship information between a stepwise state of charge (SOC) of a battery device and a plurality of battery characteristic information corresponding to each stepwise SOC, and a processor operatively coupled to the memory. The processor calculates target SOCs, each defined for preset nodes, target battery characteristic information, each defined for the nodes, based on the relationship information stored in the memory and the calculated target SOCs, target powers, each defined for the nodes, from the calculated target battery characteristic information, and energy of the battery device using a weighted sum method with respect to the target powers calculated. A corresponding method and computer-readable storage medium are also provided.
Resumen de: EP4571994A1
An electrochemical device is provided that allows a conductive plate positioned between the power generation element and cap to be easily mounted and that is capable of maintaining a good electrical connection. The electrochemical device 1 includes: a case 10 including a recessed container 11 having a bottom 111 and a side wall 112, and a cap 12 that covers the opening of the recessed container 11; a power generation element 20 including a laminate having an electrode layer 21, an electrode layer 22 and a solid electrolyte layer 23 laminated together and contained in the interior space of the case 11 such that the bottom 111 and electrode layer 21 face each other; and a conductive plate 30 located adjacent to the opening of the recessed container 11 and positioned between the electrode layer 22 and cap 12. The recessed container 11 includes a plurality of insertion holes 115 with openings in the upper end surface of the side wall 112. The conductive plate 30 includes a plurality of elastic locking portions 31 located on edges thereof and corresponding in position to the insertion holes 115. With each elastic locking portion 31 inserted in an insertion hole 115, the tip portion 311 of the elastic locking portion 31 presses a side surface of the insertion hole 115.
Resumen de: EP4571953A1
A pouch type battery case according to an embodiment of the present invention may include a pair of cases. At least one of the pair of cases may include: a cup part which is recessed; a terrace which is disposed on a circumference of the cup part and on which a sealing part is provided; and a protrusion protruding from the terrace in a direction opposite to a depth direction of the cup part. At least a portion of the sealing part may be provided on the protrusion.
Resumen de: EP4571892A1
The disclosure aims to provide a fluororesin for use in electrochemical device binders which enables formation of an electrode mixture sheet with high strength, and an electrochemical device binder, an electrode mixture, an electrode, and a secondary battery. Provided is a fluororesin for use in electrochemical device binders, the fluororesin including a tetrafluoroethylene unit and a hexafluoropropylene unit and being expandable.
Resumen de: EP4571990A1
The present invention provides a separator for a power storage device having a porous substrate and a thermoplastic polymer-containing layer, wherein the thermoplastic polymer-containing layer has a dot-like pattern structure, and 50% or more of all the dots are dots having voids at two or more locations within the plane of one dot.
Resumen de: EP4571889A1
A non-aqueous secondary battery binder polymer including a first structural unit derived from a monomer (a1), a second structural unit derived from a monomer (a2), and a third structural unit derived from a monomer (a3), wherein the monomer (a1) is a non-ionic compound having only one ethylenically unsaturated bond, the monomer (a2) is a compound having a carboxy group and only one ethylenically unsaturated bond, and the monomer (a3) is a polyrotaxane including a cyclic molecule having a cyclic framework to which a group containing an ethylenically unsaturated bond is bonded and a chain molecule that passes through an openings of the cyclic molecule and has stopper groups at both ends.
Resumen de: EP4571921A1
The present invention provides a non-aqueous electrolyte including a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by a specific formula. The non-aqueous electrolyte according to the present invention includes an additive which is excellent in electrode film protection and an O<sub>2</sub> scavenging effect, so that cycle properties and resistance properties of a lithium secondary battery including the non-aqueous electrolyte may be simultaneously improved.
Resumen de: EP4572034A1
A connector module according to an embodiment of the present invention includes a first connector configured to define a first recessed portion that is recessed, and a second connector inserted into and coupled to the first recessed portion, wherein the second connector includes a second connector housing comprising a frame inserted into and coupled to the first recessed portion and a connection part connected to one surface of the frame and coupled to the first connector, and a second conductive part inserted into and coupled to the frame and electrically connected to the first connector, wherein, based on a direction in which the second connector is inserted, the frame may include a first protrusion portion that protrudes forward. Based on the direction in which the second connector is inserted, the frame comprises a second protrusion portion that protrudes upward or downward.
Resumen de: EP4570750A1
Provided are a carbon sheet having excellent performance in terms of inhibiting lithium dendrite growth and a method of producing this carbon sheet. Also provided are a laminate and an electrical storage device that include a carbon sheet having excellent performance in terms of inhibiting lithium dendrite growth. The carbon sheet is a carbon sheet containing carbon nanotubes, wherein the carbon nanotubes and the carbon sheet each have pores, and the distribution states of these pores satisfy specific requirements.
Resumen de: EP4571966A1
A battery pack (10A) includes a storage body (200) provided with a storage space (250) surrounded by a sealing member (230), a battery module (100) stored in the storage space (250), and a partition wall (214b) located between the battery module (100) and the sealing member (230). At least a portion of the partition wall (214b) is located at a higher elevation than an upper surface of the battery module (100).
Resumen de: EP4571916A1
The present invention relates to a method for manufacturing a solid electrolyte-electrode composite, comprising: immersing an electrode in an electrolyte precursor composition comprising a photo-crosslinkable monomer comprising three or more acrylate groups, an initiator, a lithium salt and an organic solvent; photocuring the electrode immersed in the electrolyte precursor composition to form a polymer electrolyte membrane; and thermal curing the electrode at which the polymer electrolyte membrane is formed, a solid electrolyte-electrode composite, not showing a peak in a wave number region of 1,700 cm<sup>-1</sup> to 1,600 cm<sup>-1</sup> by Fourier Transform Infrared Spectroscopic analysis, and an all-solid battery comprising the solid electrolyte-electrode composite.
Resumen de: EP4571785A1
Provided is a phosphorus sulfide composition for a sulfide-based inorganic solid electrolyte material, in which Reactivity measured by a predetermined method is greater than or equal to 5.0 °C/min.
Nº publicación: EP4568854A2 18/06/2025
Solicitante:
MERCEDES BENZ GROUP AG [DE]
Mercedes-Benz Group AG
Resumen de: WO2024104760A2
The invention relates to a method for determining a damage rate (DC) of a battery cell (16) for an electrical energy store of an at least partially electrically driven motor vehicle by means of an electronic computing device (12), the method comprising the following steps: determining a capacity degradation of the battery cell (16) depending on a force generated as a result of a cell swelling of the battery cell (16); determining an ageing condition (SOH) of the battery cell (16); and determining the damage rate (DC) depending on the capacity degradation and the ageing condition (SOH).
BOPI
Sede Electrónica
