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1354
results.
Updated on
10/08/2025 [09:19:00]
Results 475 to 500 of 1354
Absstract of: EP4597616A1
Disclosed is a method for preparing a chalcogenide/sulfur cathode for an alkali metal secondary battery, where sulfur and/or other chalcogenide and/or mixtures represents both active mass and removable template/ porogen, otherwise defined as glass/amorphous/polymer sulfur wafer where the content of active mass is defined by the glassy sulfur and porosity is dictated by the crystalline phase template, with the steps of growing a chalcogenide/sulfur wafer, comprising tailored content of glass/polymeric and crystalline allotropes, from a mother liquid via a suitable growth process, having a specific presence/gradients/areal distribution of crystalline to glassy/polymeric allotropes, and removing the crystalline allotropes-template/porogen of chalcogenide/sulfur from the chalcogenide/sulfur glass-crystalline wafer by immersing it in a suitable solvent, creating a defined porosity within the wafer by etching crystalline phase out from glass-crystalline wafer-like cathode and leaving 3D glassy/polymeric chalcogenide/sulfur where in a further incubation stage due the meta-stability of glass/polymer allotrope a transition into more preferably gamma monoclinic sulfur with trace amounts of glass/polymer allotropes is created, crosslinked with graphene based and or other suitable co-monomer or co-monomers and or capping agents.
Absstract of: EP4597661A1
Die Erfindung betrifft eine Energiespeichereinheit (10) aufweisend: eine Elektroden-Separator/Elektrolyt-Einheit (12), wobei die Elektroden-Separator/Elektrolyt-Einheit (12) dazu eingerichtet ist, elektrische Energie aufzunehmen und/oder abzugeben, wobei die Elektroden-Separator/Elektrolyt-Einheit (12) zumindest ein erstes Begrenzungselement (18) aufweist, wobei das erste Begrenzungselement (18) zumindest teilweise eine Außenseite (16) der Elektroden-Separator/Elektrolyt-Einheit (12) ausbildet, wobei die Energiespeichereinheit (10) eine Verbindungseinheit (20) aufweist, wobei die Verbindungseinheit (20) an dem ersten Begrenzungselement (18) angeordnet ist, wobei die Verbindungseinheit (20) dazu eingerichtet ist, eine Volumenänderung der Elektroden-Separator/Elektrolyt-Einheit (12) zu folgen.
Absstract of: EP4597660A2
A manufacturing arrangement to rechargeable battery cell formation and aging processes according to the invention has rooms (2, 3, 4) for the formation process and for the aging process. The arrangement has also testing devices (8A, 8B, 8C, 8D, 8E, 8F) The rooms and test devices being situated on a floor (9). The arrangement further comprises a mezzanine floor (10) above the floor. On the mezzanine floor there is at least one linear robot system (11). The arrangement further comprises conveyors (14) on the mezzanine floor (10). Each of said rooms (2, 3, 4) has interfaces (15) being in a functional connection to at least one of the conveyors (14) in order to transport the rechargeable battery cells. The mezzanine floor has also openings (16). On the floor (9), the arrangement further comprises elevator conveyors (17) being in functional connection with the opening (16) in order to transfer the rechargeable battery cells from the mezzanine floor to the floor.
Absstract of: EP4597722A2
The present disclosure relates to a separator for secondary batteries, the separator including: a porous substrate layer; and a fusion layer laminated to a preset fusion thickness on at least one area of one or both surfaces of the porous substrate layer and including polymer particles having a glass transition temperature higher than or equal to 30 °C or lower than or equal to 90 °C, an electrode assembly including the same, and a method of manufacturing the electrode assembly.
Absstract of: EP4597658A1
Provided is a battery cell material recycling apparatus. The battery cell material recycling apparatus includes a first vacuum belt conveying mechanism and a second vacuum belt conveying mechanism. The first vacuum belt conveying mechanism has a first feed end and a first discharge end opposite to each other in a conveying direction of the first vacuum belt conveying mechanism. The second vacuum belt conveying mechanism has a second feed end and a second discharge end opposite to each other in a conveying direction of the second vacuum belt conveying mechanism. The second feed end is located above the first discharge end. A guide roller is disposed below the second discharge end. The guide roller is movable back and forth in the conveying direction of the second vacuum belt conveying mechanism. A battery cell material accommodated within the material receiving region in a zigzag stacked manner still does not experience excessive tension force. Thus, the problem of breakage can also be effectively avoided. Therefore, use of the battery cell material recycling apparatus in the present solution ensures the continuity of the battery cell material recycling process, improves an efficiency of the recycling operation, and eliminates a potential risk of breakage.
Absstract of: EP4597659A1
A secondary battery including an electrode assembly 110 formed by winding a positive electrode sheet, a negative electrode sheet, and a separator interposed therebetween; a cylindrical can 130 configured to accommodate the electrode assembly; and a cap assembly 150 coupled to an open upper portion of the cylindrical can. The cap assembly includes a cap-up 151 having an upwardly protruding structure, a safety vent 153 disposed below the cap-up while surrounding an outer circumference of the cap-up, and a gasket 155 for sealing between the cap assembly and the cylindrical can. The gasket includes a side surface surrounding outer circumferential surfaces of the cap-up and the safety vent and includes an upper portion bent inwardly to cover a peripheral upper side of the cap-up.
Absstract of: EP4597723A2
The present application provides a battery diaphragm, including: a porous substrate and an adhesive layer formed on the side of the porous substrate. The adhesive layer includes a polymer material with an adhesive property. The adhesive layer has a coating coefficient C. The coating coefficient C is equal to a ratio of the adhesive strength A of the adhesive layer to a value P of an increase in gas permeability per unit coating thickness of the adhesive layer. A relation C=A/P is satisfied. The coating coefficient C has a ratio in a range of 0.3<C<1. The adhesive strength A of the adhesive layer has a unit of N/m. The value P of the increase in the gas permeability per unit coating thickness of the adhesive layer has a unit of s/100cc/µm.
Absstract of: EP4597656A1
A cylindrical secondary battery including an electrode assembly including a negative electrode plate and a positive electrode plate; a cylindrical can accommodating the electrode assembly and including a terminal hole in one side of the cylindrical can and an open inlet in another side of the cylindrical can; a terminal coupled to the cylindrical can through the terminal hole; and a negative electrode current collector in the cylindrical can and electrically connecting the cylindrical can to the negative electrode plate. The negative electrode current collector includes a notch groove or a cutting hole configured to be cut in response to an increase in pressure in the cylindrical can.
Absstract of: EP4597621A1
Provided are a positive electrode active material, a positive electrode plate, a battery cell, a battery and an electrical apparatus, which belongs to the technical field of secondary batteries. The positive electrode active material includes a lithium-rich manganese-based material and a lithium-containing phosphate, in which, the lithium-rich manganese-based material includes solid particles and hollow particles, the hollow particle including a shell and a cavity provided inside the shell. Both the rate performance and the volume energy density of the battery cell can be taken into consideration in the technical solution of embodiments of the present invention.
Absstract of: EP4597741A1
A battery cell (10), a battery (100), and a power-consuming apparatus are provided. The battery cell (10) includes a housing (11), an electrode terminal (12), a first connecting member (13), and an insulating film (14). A first end wall (110) is provided with a first through-hole (1101), and the first through-hole (1101) passes through the first end wall (110) in a thickness direction of the first end wall (110). The electrode terminal (12) is mounted in the first through-hole (1101). At least a part of the first connecting member (13) is located on an outer side of the first end wall (110) in the thickness direction, and the first connecting member (13) is disposed in a circumferential direction of the electrode terminal (12) and is connected to the electrode terminal (12). The insulating film (14) covers at least a part of an outer surface of the first end wall (110), the insulating film (14) is provided with a second through-hole (140) for exposing the electrode terminal (12), and the insulating film (14) is connected to the first connecting member (13). The technical solution can improve reliability of the battery.
Absstract of: EP4597721A1
The present application provides a separator, comprising a first base film and a second base film. The melting point of the second base film is lower than that of the first base film. The porosity of the first base film is denoted as P1, and the porosity of the second base film is denoted as P2, wherein 1.02 < P1/P2 ≤ 3. A base film with a large porosity has good air permeability, so the first base film with a large porosity exerts the excellent air permeability thereof; and a base film with a small porosity has good strength, so the second base film with a small porosity exerts the good strength thereof and is thus not prone to being punctured by lithium dendrites. Therefore, according to the present application, the separator has good air permeability and good strength due to the combination of the first base film and the second base film, so that the reliability and the cycle performance of a secondary battery can be improved.
Absstract of: EP4597720A1
This application provides a separator including a first base film and a second base film, where a melting point of the second base film is lower than a melting point of the first base film, and a swelling rate of the first base film is smaller than a swelling rate of the second base film. By cooperation of the two layers of base film structures, in a use environment of the separator, even if one layer of base film loses the insulation performance due to swelling, the other layer of base film can complement the performance, reducing the risk of short circuits between electrodes and also enhancing the strength of the separator, thereby improving the reliability of the battery in long-term service life.
Absstract of: GB2637678A
The invention relates to a directly cooled battery module (100) comprising at least one module casing (40) and a plurality of battery cells (10) arranged within the module casing (40). The module casing (40) encloses the plurality of battery cells (10) at least in some regions, and the battery cells (10) has a vertical axis (20) and first and second end faces (16, 18), which are mutually spaced in the direction of the vertical axis (20), and are arranged successively in the form of a cell packet (38) in a stacking direction (26) which is transverse to the vertical axis (20). The battery module also comprises a fluid supply device (50) with at least one inlet opening (54), which conducts a cooling liquid (60) to the battery cells (10) when operated as intended, and at least one outlet opening (56) for freely discharging the cooling liquid (60) out of the module casing (40) and/or the cell packet (38) and into the surroundings of the module casing (40), in particular into a battery housing (210) when arranged in a battery housing (210) as intended. The invention additionally relates to a battery (200) comprising at least one directly cooled battery module (100).
Absstract of: EP4597631A2
The invention pertains to the use of porous, chemically interconnected, carbon nanofibres-comprising carbon networks as electrochemically active material in the anode of lithium or sodium batteries. It has been found that said carbon nanofibres-comprising carbon networks can beneficially be used in the anode of lithium or sodium batteries when added in an amount of 10 - 100 wt%. The benefits include a high capacity, high lifetime (stability over extended cycling), high charge and discharge rate and being resilient during manufacture and use. The porous, chemically interconnected, carbon nanofibres-comprising carbon networks can be used in the anode of lithium or sodium batteries of many areas of technology, such as smartphones, laptops and electric and hybrid vehicles.
Absstract of: EP4597733A1
A busbar assembly according to one embodiment of the present disclosure includes: a busbar including a body and end portions that extend from both ends of the body and have through holes defined therein; an insulating layer that encloses the body and has a groove formed in a recessed shape; and a cap that is inserted into the groove and encloses the end portions, wherein the insulating layer has a stronger elasticity than the cap.
Absstract of: EP4596495A1
The present invention relates to a carbon nanotube dispersion, comprising carbon nanotubes, a first dispersant containing a nitrogen atom, a mixture of a second dispersant and cations, and a solvent, wherein the second dispersant contains at least one hydroxy group and at least one carboxyl group in an aromatic ring, and the cations contain at least one selected from the group consisting of an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion, an ammonium ion and a sulfonium ion, and a method for preparing the same.
Absstract of: EP4597622A1
The present disclosure is intended to provide a production method for a positive electrode active material with reduced degradation in resistance property. The technology disclosed herein relates to a production method for a positive electrode active material after sintering, the method comprising: a preparation step of preparing an end material that includes a positive electrode composite material including a positive electrode active material for a secondary battery and a binder containing fluorine; and a sintering step of sintering the positive electrode composite material in a container, wherein the sintering step is performed with magnesium hydroxide present in the container. Consequently, a positive electrode active material with reduced degradation in resistance property is achieved.
Absstract of: EP4597702A1
The present invention relates to a battery module and a method for determining a center of a battery cell, and more particularly, to a battery module and a method for determining a center of a battery cell, in which a central position of the battery cell is capable of being contactlessly measured to prevent misalignment of the battery cell and prevent damage to the battery cell to improve quality of the battery module.The battery module according to the present invention is characterized by including a plurality of battery cells, and a battery cell case that accommodates the plurality of battery cells, wherein a central position of each of the plurality of battery cells in a longitudinal direction is marked on a surface of the battery cell.
Absstract of: EP4597655A1
A rechargeable battery includes a wound-type electrode assembly, a heat pipe, a can, and a cap plate. The heat pipe is disposed inside of the electrode assembly at a distance from a wound center of the electrode assembly, and the heat pipe surrounds the wound center. The can includes an internal space in which the electrode assembly and the heat pipe are positioned. The cap plate is coupled to an end of an opening of the can to close and seal the can, the cap plate is connected heat pipe, and the cap plate is configured to provide dissipation of heat from the heat pipe.
Absstract of: EP4597694A1
A rechargeable battery includes an electrode assembly (130) including a first electrode, a second electrode, and a separator, a current collecting plate (140, 150) electrically connected to one of the first electrode and the second electrode, a case accommodating the electrode assembly (130) and the current collecting plate (140, 150) therein, and a cap plate coupled to an end of the case to seal the case. The current collecting plate (140, 150) includes a flat outer surface (51) and an inner surface including a plurality of welding parts protruding toward the electrode assembly (130).
Absstract of: EP4597595A1
An electrode assembly (100) including: a first electrode plate (110) including a first electrode substrate (111) having a first electrode active material layer (112) thereon; a first separator (120); a second electrode plate (130) including a second electrode substrate (131) having a second electrode active material layer (132) thereon; and a second separator (140). The first electrode plate (110), the first separator (120), the second electrode plate (130), and the second separator (140) are sequentially stacked and wound about a winding axis, and the first electrode substrate (111), the first separator (120), and the second separator (140) extend at least one turn beyond a distal end (130a) of the second electrode plate (130) in the wound electrode assembly (100).
Absstract of: EP4597669A1
The present application refers to secondary battery and battery module, battery pack and apparatus including the secondary battery. In particular, the secondary battery includes a housing as well as an electrode assembly and an electrolyte contained in the housing; the electrode assembly includes a positive electrode plate, a negative electrode plate and a separator, and the positive electrode plate includes a positive current collector and a positive electrode film that is disposed on at least one surface of the positive electrode current collector and includes a positive electrode active material; the positive electrode active material includes one or more of lithium nickel cobalt manganese oxide and lithium nickel cobalt aluminum oxide; the negative electrode plate includes a negative electrode current collector and a negative electrode film that is disposed on at least one surface of the negative electrode current collector and includes a negative electrode active material; the negative electrode active material includes silicon-based material and carbon material; and the secondary battery satisfies: 0.05≤Z≤0.6. The secondary battery has the characteristics including high energy density, fast charging and long cycle life.
Absstract of: EP4597521A2
The present invention relates to a ceramic solid electrolyte, which is a key component of an all-solid-state lithium secondary battery, for improving safety, and a method for synthesizing the same. The present invention relates to an oxide-based conductive ceramic of a new NASICON structure of the chemical formula Li1+xZr2XxP3-xO12 (X=Sn, Ge, or Y, 1.5≤ x≤2.3). The present invention relates to a method for manufacturing an oxide-based conductive ceramic having the above novel NASICON structure.
Absstract of: EP4597717A1
Provided is a battery pack. The battery pack includes at least two battery modules (100). Each battery module (100) includes a housing (1) and multiple battery cells (2) disposed in the housing (1). Multiple pressure relief holes (122) are disposed on a side surface of the housing (1). The multiple pressure relief holes (122) are in a one-to-one correspondence with the multiple cells (2). One end of each battery cell (2) has an explosion-proof hole. The explosion-proof hole communicates with a corresponding pressure relief hole (122). Two adjacent battery modules (100) form a module assembly. In the same module assembly, two housings (1) are spaced apart to form a pressure relief channel (300), and pressure relief holes (122) on the two housings (1) are facing the pressure relief channel (300).
Nº publicación: EP4597688A1 06/08/2025
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: EP4597688A1
The present disclosure relates to an apparatus and method for battery cooling control. An apparatus for battery cooling control according to some embodiments includes a cooling water control apparatus configured to control the supply of cooling water for cooling a battery system, and a control apparatus configured to obtain the state of charge and charge/discharge rate of the battery system, determine a heating value of the battery system according to the state of charge and the charge/discharge rate, and control the cooling water control apparatus to control the supply of the cooling water according to the heating value.
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