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388
results.
Updated on
15/11/2026 [07:48:00]
Results 300 to 325 of 388
Absstract of: WO2025147385A1
A system for multi-layer battery electrode fabrication is provided. The system includes a first spreader coating system including a chamber for dispensing first powder particles onto a substrate, a first spreading coating assembly to create a first uniform coating of the first powder particles, and a first calendering assembly to create a first compressed powder coating on the substrate. The system includes a second spreader coating system including a chamber for dispensing second powder particles onto the first compressed powder coating, a second spreading coating assembly to create a second uniform coating of the second powder particles, and a second calendering assembly to create a second compressed powder coating on the first compressed powder coating. The first and second compressed powder coatings define a multi-layer coating on the electrode.
Absstract of: WO2025146276A1
The invention relates to a temperature control device (1) for cooling and/or heating at least one component, the operation of which is temperature-sensitive, this component (2) being in particular an electronic power module of an inverter or a battery cell or a microprocessor, and this temperature control device (1) comprising: - a fluid circulation chamber (14) configured to receive a heat transfer fluid, this chamber (14) comprising a fluid path (15) between a fluid inlet and a fluid outlet; - at least two spacers (21, 22, 23) arranged in the chamber (14), one after the other on the fluid path, the spacers (21, 22, 23) being configured to act as a heat exchange surface between the heat transfer fluid that circulates in the chamber (14) and an outer face (10), and the spacers (21, 22, 23) comprising corrugated fins (25) with a corrugation direction that is substantially transverse to the fluid path, the corrugated fins of the spacers (21, 22, 23) extending in a first segment (T1) of the fluid path and a second segment (T2) of the fluid path that is downstream of the first segment, the corrugated fins (25) of the spacers (21, 22, 23) having a fin pitch (FP) that is smaller in the second segment (T2) than in the first segment (T1) of the fluid path.
Absstract of: NL2036742B1
This invention relates to anodes comprising: a current collector; and a layer comprising active material comprising silicon on the current collector, wherein the layer comprises regions surrounded by gaps; wherein the regions comprise silicon; wherein the regions comprise sloped lateral surfaces; wherein the mean distance between the regions is greater at the top surface of the regions than near the current collector surface; and wherein the gaps comprise an area of from 5% to 35% of the top surface area of the anode. Also disclosed are lithium-ion cells and batteries comprising the anode. Also disclosed are methods of preparing the anodes and the lithium-ion cells. Also disclosed are uses of the anodes.
Absstract of: EP4838611A1
The present application provides a lamination mechanism, a lamination method, and a battery manufacturing device. The lamination mechanism comprises a support assembly, an air blowing assembly, and a pressing assembly, the support assembly is provided with a bearing area, the bearing area is configured to support a plurality of electrode laminates stacked in a first direction, and a gap in the first direction is formed between an electrode laminate located at the uppermost layer and an electrode laminate adjacent thereto. The air blowing assembly is arranged on the support assembly and is configured to blow air into the gap from the two sides of the bearing area in a second direction, so that the electrode laminate at the uppermost layer and the electrode laminate adjacent thereto are separated in the first direction, wherein the second direction intersects with the first direction. The pressing assembly is arranged opposite to at least part of the bearing area of the support assembly in the first direction, and the pressing assembly has a degree of freedom of motion relative to the support assembly in the first direction so as to press the electrode laminate located at the uppermost layer. The lamination mechanism in embodiments of the present application can improve the smoothing effect for the electrode laminates, and improve performance of a laminated cell.
Absstract of: EP4838579A1
A composite positive electrode active material includes a first positive electrode active material including a lithium iron phosphate-based compound, the first positive electrode active material being in a form of secondary particles in which a plurality of primary particles are agglomerated. The composite positive electrode active material also includes a second positive electrode active material including a lithium manganese iron phosphate-based compound, the second positive electrode active material being in a form of single particles. The composite positive electrode active material further includes a third positive electrode active material including a lithium nickel-based composite oxide, the third positive electrode active material being about 5 wt% to about 25 wt% based on a total of 100 wt% of the composite positive electrode active material. A weight ratio of the first positive electrode active material and the second positive electrode active material is about 5:1 to about 1:1.
Absstract of: EP4838642A1
A pouch film for a secondary battery according to exemplary embodiments of the present disclosure includes a substrate layer, a stretched layer formed on the substrate layer, a metal layer formed on the stretched layer, and a sealant layer formed on the metal layer. The pouch film further includes an impact-resistant layer including a shear thickening fluid at least at one of positions between the substrate layer and the stretched layer, between the stretched layer and the metal layer, and between the metal layer and the sealant layer.
Absstract of: EP4838655A1
0001 The disclosure relates to a battery assembly (12) for a vehicle (10), the battery assembly (12) comprising at least one battery cell unit (18) and at least one busbar (24) electrically coupled to the battery cell unit (18), wherein the at least one battery cell unit (18) comprises one or more battery cells (20), a connection component (52) mechanically and electrically connected to the one or more battery cells (20), and a cell-level inverter unit (22), wherein the cell-level inverter unit (22) is electrically connected to the connection component (12) and to the at least one busbar (24) via a plug-in connection (60) such that the cell-level inverter unit (22) may be selectively electrically connected or separated from the connection component (52) and the at least one busbar (24) by moving the cell-level inverter unit (22) along an assembly direction (44). The invention further relates to the cell-level inverter unit (22), a vehicle (10) and methods for mounting and dismounting the cell-level inverter unit (22).
Absstract of: EP4838682A1
The present disclosure relates to a secondary battery in which in a collector plate that electrically connects an electrode assembly and a cap assembly, or electrically connects a case and an electrode assembly, by providing a fuse portion in a main body portion connected to the electrode assembly, the fuse portion is melted when an event such as thermal runaway occurs to enable electrical separation. In addition, a problem such as disconnection or separation due to physical shock such as external shock can be prevented, thereby improving safety. In an example embodiment, disclosed is a secondary battery comprising: an electrode assembly having a first electrode plate, a separator, and a second electrode plate; a case accommodating the electrode assembly and having an open upper end; a cap assembly sealing the upper end of the case; and a first collector plate electrically connecting the first electrode plate of the electrode assembly and the cap assembly, wherein the first collector plate includes a first main body portion fixed to an upper surface of the electrode assembly and a first tab portion extended and bent from the first main body portion and fixed to the cap assembly, and a first fuse portion is provided in the first main body portion.
Absstract of: EP4838581A1
0001 A composite positive electrode active material including a first positive electrode active material including a lithium iron phosphate-based compound and being in a form of secondary particles in which a plurality of primary particles are agglomerated. The composite positive electrode active material also includes a second positive electrode active material including a lithium manganese iron phosphate-based compound, the second positive electrode active material being in a form of secondary particles in which a plurality of primary particles are agglomerated. The composite positive electrode active material further incudes a third positive electrode active material including a lithium nickel-based composite oxide. The third positive electrode active material being about 5 wt% to about 25 wt% in the composite positive electrode active material based on a total of 100 wt% of the composite positive electrode active material. A weight ratio of the first positive electrode active material and the second positive electrode active material is about 5:1 to about 1:1. The secondary particles of the first positive electrode active material and the secondary particles of the second positive electrode active material having a particle diameter of greater than or equal to about 10 µm are included in an amount of greater than or equal to about 30 vol% based on a total of 100 vol% of the first positive electrode active material and the second positive electrode active material.
Absstract of: EP4838564A1
0001 A dry electrode manufacturing apparatus according to an embodiment of the present disclosure includes: a feeder unit including a discharge port opened at a lower part thereof and a feeder roller installed below the discharge port; a chute unit configured to receive an electrode powder discharged from the discharge port and supply onto a traveling current collector; and a squeezer that flattens the electrode powder supplied onto the current collector, wherein a density of the flattened electrode powder in a traveling direction of the current collector may be adjusted according to an amount of the electrode powder supplied onto the current collector from the chute unit.
Absstract of: EP4838569A1
The present disclosure provides an electrode with both improved high-temperature cycle life characteristics and improved low-temperature energy performance, and a secondary battery including the same.
Absstract of: EP4838587A1
A secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator therebetween, a case accommodating the electrode assembly, and positive and negative electrode substrate tabs extending from the electrode assembly, wherein the electrode assembly further includes at least one protrusion part in a region surrounding the positive and negative electrode substrate tabs, the at least one protrusion part including a positive electrode protrusion part protruding beyond a base edge line of the positive electrode plate, a negative electrode protrusion part protruding beyond a base edge line of the negative electrode plate, and a separator protrusion part protruding beyond a base edge line of the separator, and a protrusion length of each of the positive electrode protrusion part, the negative electrode protrusion part, and the separator protrusion part is smaller than a length of each of the positive and negative electrode substrate tabs.
Absstract of: EP4838627A1
0001 The present disclosure refers to a battery system (100), including a plurality of battery cells (12) arranged to form a cell stack (10), a cell stack frame (20) accommodating the cell stack (10) and exerting a pressure onto the cell stack (10), a cooling structure (40) including a plurality of cooling plates (42) arranged between the battery cells (12), wherein each cooling plate (42) includes two plate elements (42a, 42b) with a cooling chamber (48) in-between for the feed-through of coolant, and a compression structure (50) arranged inside the cooling chamber (48), wherein the compression structure (50) includes one or more spring elements (52, 54) interconnecting the plate elements (42a, 42b), the spring elements (52, 54) having a corrugated shape, the spring elements (52, 54) being adapted to be elastically deformed when receiving compression forces acting on the plate elements (42a, 42b), and the compression structure (50) further including connection portions (56) connecting the spring elements (52, 54) to the plate elements (42a, 42b), the connection portions (56) being adapted to be plastically deformed when receiving compression forces acting on the plate elements (42a, 42b).
Absstract of: EP4838632A1
0001 The present disclosure refers to a battery system (100), including a plurality of battery cells (12) arranged to form a cell stack (10), a cell stack frame (20) accommodating the cell stack (10) and exerting a pressure onto the cell stack (10), a cooling structure (40) including a plurality of cooling plates (42) each arranged between adjacent battery cells (12) of the plurality of battery cells (12), wherein each cooling plate (42) includes two plate elements (42a, 42b) with a cooling chamber (48) in-between for the feed-through of coolant, and a compression structure (50) arranged inside the cooling chamber (48), wherein the compression structure (50) is designed such that it is plastically deformed when receiving compression forces acting on the plate elements (42a, 42b) of the cooling plate (42).
Absstract of: EP4837768A1
0001 Systems and techniques identify component faults in electrical systems. For example, measurements from voltage and/or current sensors are used to determine whether contactors are compromised, e.g., by virtue of being welded closed in response to an overcurrent, surge, and/or the like.
Absstract of: EP4838680A1
0001 The present application provides a battery and a battery module. The battery includes a housing and an electrical connector. A bottom wall of the housing is provided with a first through hole. The electrical connector is disposed within the housing and in contact with the housing. The electrical connector is provided with a second through hole. The second through hole is communicated with the first through hole to allow the electrolyte and/or gas to pass through. The electrical connector provided in the present application does not need to be bent, thereby avoiding misalignment between the second through hole and the first through hole.
Absstract of: EP4838605A1
A sodium secondary battery and an electric apparatus. During a discharge process, the ratio of the discharge capacity of the sodium secondary battery within at least one 2 V discharge interval to the total discharge capacity of the sodium secondary battery is greater than or equal to 95%; and the test condition of the discharge process of the sodium secondary battery is: at 25° C, charging to 4.2 V at a constant rate of 0.33C, and then discharging to 1.5 V at a constant rate of 0.33C.
Absstract of: WO2025146566A1
There is provided a battery cell dismantling system comprising: a battery carrier, configured to house a battery; a transportation means configured to carry the battery carrier through the system in a first direction; a first cutting station comprising first and second cutting tools, the first cutting tool being located on a first side of the transportation means and the second cutting tool being located on a second side of the transportation means, each of the first and second cutting tools being configured to apply a cutting force in a second direction that opposes the first direction; and an extraction station comprising: a pressing means that is moveable in a third direction on the first side of the transportation means and configured to apply a pressing force to a first side of the battery cell, wherein the third direction is perpendicular to the first direction; and an extraction means located on a second side of the transportation means and being configured to extract material from a second side of the battery cell.
Absstract of: EP4838582A1
Provided is a positive electrode composition including an active material, a binding material, and a conductive material, wherein the conductive material includes: carbon black (A) having an average primary particle diameter of 17 nm or more and 30 nm or less; first carbon nanotubes (B) having an average diameter of 2 nm or more and 15 nm or less; and second carbon nanotubes (C) having an average diameter of 0.5 nm or more and less than 2 nm.
Absstract of: EP4838583A1
Provided is a positive electrode composition including an active material, a binding material, and a conductive material, wherein the conductive material includes: carbon black (A) having an average primary particle diameter of 17 nm or more and 30 nm or less; first carbon nanotubes (B) having a peak ratio (D/G) of a D-band to a G-band of 0.3 or more and 1.4 or less in a Raman spectrum; and second carbon nanotubes (C) having a peak ratio (D/G) of a D-band to a G-band of less than 0.3 in a Raman spectrum.
Absstract of: EP4838608A1
A battery cell (5), a battery device and an electric device. The battery cell (5) comprises: a positive electrode sheet, which comprises a positive electrode film layer, wherein the positive electrode film layer comprises a first area and a second area, the first area comprises iron and phosphorus, the molar ratio of phosphorus to iron being 0.5-1.5, and the second area comprises phosphorus and a transition metal M, the molar ratio of phosphorus to the transition metal M being a, and a satisfying 0 ≤ a ≤ 0.2; a negative electrode sheet; and an electrolyte, which comprises an additive, wherein the additive comprises one or more of a phosphorus-containing additive, a fluorine-containing additive and a sulfur-containing additive, and on the basis of the total mass of the electrolyte, the sum of the mass of the phosphorus-containing additive, the fluorine-containing additive and the sulfur-containing additive accounts for 0.2-2.1%. Therefore, the cycle life of a battery is prolonged, and the energy density thereof is improved.
Absstract of: WO2025147386A1
An electrochemical method of fabricating an adherent and structurally stable multilayer assembly includes forming a metallic interlayer on a base layer, electrochemically passivating some or all of the metallic interlayer, thereby forming a bonding layer comprising a binary oxide, and electrochemically growing a top oxide layer on the bonding layer. An adherent and structurally stable multilayer assembly includes a bonding layer comprising a binary oxide on a base layer, and a top oxide layer comprising a ternary oxide on the bonding layer. The bonding layer may be formed by electrochemical passivation of a metallic interlayer on the base layer.
Absstract of: WO2025147470A1
Systems and methods for cutting substrates including metals, for example, lithium metals, which can be used in energy storage devices. In one aspect, a system for slitting a flexible support layer stack is provided. The system includes a laser source configured to generate a laser beam, the laser beam directed toward a first surface of a flexible support layer stack. The system further includes an optical scanner configured to direct the laser beam toward the first surface of the flexible support layer stack. The system further includes a pickup roller positioned opposite the laser beam, the pickup roller positioned to contact a second surface of the flexible support layer stack, the second surface opposite the first surface. The system further includes a cutting assembly positioned downstream of the laser beam.
Absstract of: US20250226401A1
0000 An electrode, including a first iron material and a second iron material. The first iron material is a first reduced iron and the second iron material is different from the first iron material. Also provided is an electrochemical cell comprising an electrode including a first iron material and a second iron material. Further provided is a method of making an electrode.
Nº publicación: EP4836873A1 11/11/2026
Applicant:
CLARIOS ADVANCED SOLUTIONS LLC [US]
CLARIOS ADVANCED SOLUTIONS GMBH [DE]
Clarios Advanced Solutions LLC
Clarios Advanced Solutions GmbH
Absstract of: WO2025147306A1
An apparatus is described. The apparatus includes a first part, a second part, and a third part. The second part has a first interlocking region, and the third part has a second interlocking region. The first interlocking region is mated to the second interlocking region to couple the second part the third part. The apparatus also includes a weld joint that couples the first part, the second part and the third part together.
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