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829
resultados
Última actualización
30/12/2025 [07:07:00]
Resumen de: US2025360653A1
Set forth herein are materials, systems, and methods for sintering bilayers that include a layer of a metal and a layer of a ceramic.
Resumen de: EP4668459A1
The present application relates to the field of battery technologies, and in particular, to an electrode assembly, a battery, and an electric device. The electrode assembly includes a first electrode, a second electrode, a first separator, and a second separator. One of the first separator and the second separator is disposed between the first electrode and the second electrode. The other of the first separator and the second separator is disposed on a side that is of the first electrode or the second electrode and that faces away from the first separator. One of the first separator and the second separator does not include a porous coating. The other of the first separator and the second separator includes a porous coating. The thickness of the porous coating is 0.5 µm to 8 µm. The electrode assembly in the present application includes a specific first separator and a specific second separator, which can effectively improve cycling performance of the battery.
Resumen de: EP4668469A1
A battery cell, a battery, and an electric apparatus are provided. The battery cell includes a housing and a first conductive layer. The housing includes a first wall portion, where the first wall portion has a first surface, the first wall portion is provided with a recess, and the recess has a side surface connected to the first surface. The first conductive layer is accommodated in the recess, and the first conductive layer is in contact with the side surface. The provision of the first conductive layer improves the electric field distribution in a region, provided with the recess, of the first wall portion, resulting in a more uniform electric field strength distribution, reducing the risk of tip discharge at a connection position between the side surface and the first surface in a high-voltage environment, and improving the reliability of the battery cell.
Resumen de: CN120604314A
A separator for an electrochemical element is shown comprising fibrillated regenerated cellulose fibers wherein the fibrillated regenerated cellulose fibers constitute at least 75% of the mass of the separator. The quantity of the separator is at least 8 g/m2 and at most 17 g/m2, and the bulk of the separator is at least 12 mu m and at most 40 mu m. The membrane has uniformity in terms of its thickness and fibrous structure, characterized in that there are both the following features (i) and (ii): (i) the ratio of the bulk of the membrane to the monolithic thickness of the membrane is at least 0.88 and at most 1.04, and (ii) the contrast value C determined by image analysis is at least 1000 and at most 1600.
Resumen de: WO2024170765A1
A battery pack (30), related methods and to a transport refrigeration unit of a type configured to draw power from rechargeable batteries in cooling the interior of a mobile enclosure, such as in a trailer or lorry. The battery pack (30) comprises a framework (20) by which the pack is mounted in use and a battery compartment (40) for plural rechargeable battery cells (41). The framework may include at least one shelf for supporting the plural battery cells in the compartment, the shelf having at least one fluid flow channel (67) therein and the battery pack comprises at least one fluid movement device (62) arranged to move cooling fluid through the at least one channel to cool the battery cells in use. The framework may include plural vertically spaced shelves for supporting rows of the plural battery cells in the compartment, wherein the battery cells are orientated such that the terminals for connecting to the cells vertically on top.
Resumen de: WO2024170686A1
The invention relates to a battery housing cover (18) for covering at least one battery cell (10), comprising a main part (20), with at least one section (22) comprising a fibre composite with an oxide matrix being arranged on the main part (20). The invention also relates to a method for producing a battery housing cover (18), and an assembly comprising a battery cell (10) and a battery housing cover (18), the production of an assembly of this type, an electric vehicle and the use of a section (22) comprising a fibre composite with an oxide matrix for a battery housing cover (18).
Resumen de: EP4668453A1
Disclosed are a battery pack and a vehicle including the same. The battery pack includes a plurality of battery modules in which a plurality of battery cells are stacked; a pack case configured to accommodate the plurality of battery modules; and a blocking cover configured to cover at least a portion of the battery module to be opened in a preset direction by flame or gas.
Resumen de: EP4668433A1
An insulator and a battery module are provided in the application. The insulator includes: an insulating plate including a body and protrusions, wherein the protrusions are provided at two ends of at least one side surface of the body, and a mounting portion is formed between the protrusions at the at least one side surface of the body ; and a heat insulation plate provided in the mounting portion, wherein a height of a side of the heat insulation plate away from the body is lower than heights of sides of the protrusions away from the body.
Resumen de: EP4668383A1
According to one example of the present invention, a pouch-type secondary battery manufacturing method, which is characterized in that the method comprises a forming step of sinking a partial region of a pouch to form an accommodation portion in which an electrode assembly is seated; an introduction step of seating the electrode assembly within the accommodation portion; and a sealing step of pressurizing a sealing region spaced apart from the edge of the accommodation portion by a predetermined distance at the outer side of the accommodation portion to form a sealing portion between an upper pouch and a lower pouch as laminated, and at least some sections of the sealing step are performed in a state where an up-and-down gap is maintained between the upper and lower pouches laminated in a temporary attachment region located between the edge of the accommodation portion and the sealing region, and a pouch-type secondary battery manufactured therethrough may be provided.
Resumen de: EP4668436A1
The present disclosure relates to a battery module including a plurality of battery cells, each battery cell having an electrode lead; a busbar frame having a lead slot located at a side where the electrode leads of the plurality of battery cells are disposed, the lead slot through which the electrode leads of the plurality of battery cells pass; and a frame cover located at an outer side of the busbar frame and configured to cover at least part of the lead slot.
Resumen de: EP4668422A1
This application is related to a battery cell (7), a battery (2), and an electric apparatus. The battery cell (7) includes an electrolyte, an electrode assembly (10), and a shell (20). The electrode assembly (10) and the electrolyte are accommodated in the shell (20), where the shell (20) is a cylindrical structure. The electrolyte includes a linear ester solvent, and a mass percentage of the linear ester solvent in the electrolyte is greater than or equal to 25.5 wt%. The rate performance and reliability of use of the battery cell (7) in embodiments of this application can be improved.
Resumen de: EP4668408A1
According to some embodiments disclosed herein, a monitoring system includes a filter configured to collect a foreign substance from a manufacturing component, a laser radiator configured to radiate a visible light laser to the foreign substance collected on a surface of the filter, an image sensor configured to generate a laser radiation image by photographing the foreign substance exposed to the visible light laser, and a processor configured to acquire detection information of the foreign substance detected from the manufacturing component by performing image processing on the laser radiation image.
Resumen de: EP4668379A1
The present invention relates to a method for manufacturing a pouch-type secondary battery, and more specifically, relates to a plasma treatment method capable of improving sealing insulation performance of a pouch, a method for manufacturing a secondary battery, and a manufacturing device thereof. According to one example of the present invention, it is possible to provide a pouch-type secondary battery comprising: an upper pouch case having a metal layer and in which a polypropylene coating layer is formed on the lower surface, wherein the polypropylene coating layer is plasma surface-treated; a lower pouch case having a metal layer and in which a polypropylene coating layer is formed on the upper surface, wherein the polypropylene coating layer is plasma surface-treated; and a battery cell having leads having a metal layer and in which polypropylene coating layers are formed on the upper and lower surfaces, and when the upper pouch case and the lower pouch case are sealed by heat fusion, the upper and lower surfaces of the leads are each heat-fused between the upper pouch case and the lower pouch case, and characterized in that in the pouch sheet, the plasma surface treatment is performed to the sealing region and a temporary adhesion region near the sealing region.
Resumen de: EP4668350A1
A secondary battery. The secondary battery comprises a negative electrode sheet, wherein the negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer. The negative electrode film layer is provided with a first surface close to the negative electrode current collector and a second surface arranged opposite to the first surface; and the thickness of the negative electrode film layer is denoted as H, a region from the first surface of the negative electrode film layer to a thickness range of 0 3H is denoted as a first region of the negative electrode film layer, and a region from the second surface of the negative electrode film layer to a thickness range of 0.3H is denoted as a second region of the negative electrode film layer. The first region comprises a first active material, the second region comprises a second active material, the first active material comprises a siloxy material, and the second active material comprises a silicon-carbon composite material.
Resumen de: WO2024170725A1
An implant is provided. The implant comprises an internal computing unit configured to control a function of said implant, said internal computing unit comprises an internal memory configured to store: i. a first control program for controlling the internal computing unit, and ii. a second, configurable or updatable, with predefined program steps, control program for controlling said function of said implant, iii. a set of predefined program steps for updating the second control program. The implant further comprises an internal communication unit connected to said internal computing unit and configured to communicate with an external device, wherein said internal computing unit is configured to receive an update to the second control program via said internal communication unit, and a verification function of, connected to, or transmitted to said internal computing unit, said verification function being configured to verify that the received update to the second control program comprises program steps comprised in the set of predefined program steps, wherein the implant further comprises an implantable apparatus for treating urinary retention of a mammal patient comprising: an implantable powered member adapted exert a force from the outside on a selected part of the urinary bladder in order to discharge urine from the urinary bladder, and a control device for controlling the operation of the powered member.
Resumen de: WO2024170685A1
The invention relates to a battery housing cover (10) for covering at least one battery cell (26), wherein the battery housing cover (10) comprises a fibre composite with an oxide matrix. The invention also relates to a layer system (14) for a battery housing cover (10) with a first layer (16) made of a fibre composite with an oxide matrix and a second layer (18) made of a thermally insulating material. The invention further relates to the use of a fibre composite with an oxide matrix for a battery housing cover (10), a method for producing a layer system (14) and a method for producing a battery housing cover (10).
Resumen de: CN120814055A
The present invention relates to a binder composition comprising a vinylidene fluoride polymer and to the use thereof in the preparation of an electrode of a secondary battery.
Resumen de: EP4668403A1
This application relates to a cylindrical battery cell (7), a battery (2), and an electric apparatus. The cylindrical battery cell (7) includes a metal shell (20) and an electrolyte. The electrolyte is accommodated in the metal shell (20). The electrolyte includes an electrolytic salt. The electrolytic salt includes a hexafluorophosphate and a sulfonylimide, and a molar concentration of the hexafluorophosphate is less than or equal to 0.9 mol/L. In embodiments of this application, the reliability of use and cycling performance of the cylindrical battery cell (7) can be improved.
Resumen de: EP4668372A1
The composition of the disclosure contains a conductive carbon material (A), an olefin resin (B), and an acrylic water-soluble polymer (C). The acrylic water-soluble polymer (C) has a structural unit derived from a (meth)acrylamide, and a structural unit derived from a vinyl monomer having at least one of a carboxy group or a hydroxy group. A content of the structural unit derived from a (meth)acrylamide is from 35% by mass to 95% by mass with respect to a total amount of the acrylic water-soluble polymer (C). A content of the structural unit derived from a vinyl monomer having at least one of a carboxy group or a hydroxy group is from 5% by mass to 65% by mass with respect to the total amount of the acrylic water-soluble polymer (C).
Resumen de: EP4668388A1
A secondary battery includes a case having an opening, an electrode assembly in the case, and a cap assembly configured to seal the opening of the case, the cap assembly including a cap-up exposed to an outside of the case, a vent plate between the cap-up and the electrode assembly, the vent plate being electrically connected to the cap-up, a cap-down between the vent plate and the electrode assembly, the cap-down being electrically connected to the vent plate and the electrode assembly, a first insulator between the vent plate and the electrode assembly, and a second insulator between the vent plate and the electrode assembly, the second insulator being spaced apart from the first insulator and being configured to support the vent plate.
Resumen de: EP4668472A1
An end cover assembly, an energy storage apparatus (100), and method for mounting and positioning an end cover assembly are provided. The end cover assembly includes an end cover (1) and a current-collector disk (2). The end cover (1) is provided with an explosion-proof valve (11) and defines a liquid-injection hole (12). The liquid-injection hole (12) is spaced apart from the explosion-proof valve (11). The current-collector disk (2) is coaxial with the end cover (1). The current-collector disk (2) includes a main body portion (21). The main body portion (21) defines a groove (22) on a surface of the main body portion (21) positioned facing towards the end cover (1). The groove (22) extends from a center of the main body portion (21) to an edge of the main body portion (21) in a radial direction of the main body portion (21). The main body portion (21) is provided with a visual identification portion (25). The visual identification portion (25) has a visual identification characteristic different from a region of the main body portion (21) other than the visual identification portion (25). The liquid-injection hole (12) is configured for alignment of the end cover (1) and the current-collector disk (2) through the visual identification portion (25).
Resumen de: EP4668466A1
The secondary battery electrode includes a substrate including an uncoated portion including a first surface and a second surface, the second surface being opposite the first surface, and a coated portion on which a first active material layer and a second active material layer are coated, the second active material layer being on a surface of the substrate opposite the first active material layer. The secondary battery also includes an electrode tab coupled to the substrate, a first tape adhered to a portion of the first active material layer around the electrode tab and the uncoated portion, and a second tape opposite the first tape and adhered to a portion of the second active material layer around the uncoated portion. Further, a tensile strength of at least one of the first tape or the second tape is 230 N/mm<sup>2</sup> or greater.
Resumen de: EP4668346A1
An aspect of the present disclosure is directed to providing an electrode that reduces in interfacial resistance and maintains a predetermined level of adhesion strength, a method for manufacturing the same, and an electrochemical device including the same. The electrode according to an aspect of the present disclosure is characterized in that it is manufactured by forming an adhesive layer on an electrode film and attaching the adhesive layer to a current collector, thereby improving the adhesion strength between the current collector and the electrode film and reducing the interfacial resistance between the current collector and the electrode.
Resumen de: EP4668382A1
The present invention relates to a battery cell pressurizing device and a battery cell manufacturing method using the same, and more specifically, relates to a battery cell pressurizing device uniformly pressurizing a battery cell, and a battery cell manufacturing method using the same.According to one example of the present invention, a battery cell pressurizing device may be provided, which comprises: a first end plate located on one side; a second end plate facing the first end plate to be located on the other side; a pressurizing plate moving and pressurizing the first end plate in a direction where the plurality of battery cells is laminated so that the plurality of battery cells arranged between the first end plate and the second end plate is pressurized; a first pressurizing member provided to pressurize the central portion of the first end plate through the pressurizing plate by pressurizing the central portion of the pressurizing plate; and a second pressurizing member and a third pressurizing member provided to pressurize, based on the center of the first end plate, one side portion and the other side portion, respectively.
Nº publicación: EP4667396A1 24/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4667396A1
An object loading facility of the present invention includes a loading device configured to adsorb an object disposed in a supply section and load the object in a loading section, wherein the loading device includes: a stator provided as an electromagnet and having a circular traveling path that sequentially passes through the supply section and the loading section; a mover that is repeatedly circulated between the supply section and the loading section by an interaction with magnetic fields generated in the stator; a loading part continuously passing through the supply section and the loading section together with the mover and provided with an adsorption plate configured to adsorb the object in the supply section and load the object in the loading section; and a pressing part configured to allow the loading part passing through the supply section to move toward the object so that the adsorption plate of the loading part is in close contact with the object.
BOPI
Sede Electrónica
