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1000
resultados
Última actualización
16/07/2026 [07:55:00]
Resultados 950 a 975 de 1000
Resumen de: EP4773246A1
Disclosed are a silicon-carbon composite in which, when subjected to etching with an argon (Ar) ion beam at an energy of 1,000 eV for 5,000 seconds followed by XPS analysis, a ratio of a proportion of Si measured from an Si2p spectrum to a proportion of N measured from an N1s spectrum is 35 to 200, a negative electrode active material including the silicon-carbon composite, a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, and a battery pack.
Resumen de: EP4772287A1
0001 An apparatus for drying a coated electrode includes a perforated plate nozzle located above a transfer path for the coated electrode. A duct is provided to connect to an area of the perforated plate nozzle that does not face the coated electrode among areas of the perforated plate nozzle. The duct may supply hot air flowing outside opposite ends of the coated electrode to a lower portion of the coated electrode.
Resumen de: EP4773231A2
0001 Disclosed are a positive electrode for a rechargeable lithium battery, and an electrode assembly for a rechargeable lithium battery including the positive electrode, and a rechargeable lithium battery. The positive electrode includes a positive electrode current collector, a positive electrode active material layer on at least one surface of the positive electrode current collector, and an insulating layer on at least one surface of the positive electrode current collector. The positive electrode active material layer includes a first positive electrode active material layer having a constant thickness, and a second positive electrode active material layer located at an edge portion of the positive electrode current collector and having a thickness of about 10% to about 80% of the thickness of the first positive electrode active material layer. The insulating layer is disposed on the second positive electrode active material layer.
Resumen de: EP4772895A1
According to exemplary embodiments, a method for generating a recipe for MSCC (Multi-Step Constant Current) charging is provided. The method includes: charging a modeling cell to collect charging data of the modeling cell; deriving a current-capacitance model based on the charging data; and generating a recipe for MSCC (Multi-Step Constant Current) charging based on the current-capacitance model.
Resumen de: EP4773210A1
0001 The present application provides a pole piece, a preparation method thereof and a battery. The pole piece includes a current collector and a composite layer, and the composite layer is disposed on the current collector. The composite layer includes a first active material layer, and the first active material layer has a first surface away from the current collector. A recess extending from the first surface to inside of the first active material layer is defined on the first active material layer.
Resumen de: EP4773218A1
0001 The present invention relates to a positive electrode comprising a current collector, and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer comprises a positive electrode active material, a conductive material, and a binder, the positive electrode active material comprises a lithium iron phosphate-based compound, the conductive material comprises carbon black, and a value of R represented by Equation 1 below is 500 to 1300, and a lithium secondary battery comprising the same. R = {Oxygen content value of conductive material x BET specific surface area value of conductive material} / Average particle diameter (D<50>) value of positive electrode active material
0002 In Equation 1, the oxygen content value (at%) of conductive material, the BET specific surface area value (m<2>/g) of conductive material, and the average particle diameter (D<50>) value (µm) of positive electrode active material are unitless numbers with the units omitted.
Resumen de: EP4773217A1
The present invention relates to a positive electrode comprising a current collector, and a positive electrode active material layer disposed on the current collector, wherein the positive electrode active material layer comprises a positive electrode active material, a conductive agent, and a binder, the positive electrode active material comprises a lithium iron phosphate-based compound, the conductive agent comprises carbon black, the conductive agent has a BET specific surface area of 200 m2/g to 400 m2/g, and a value of R1 represented by Equation 1 below is 180 to 500, and a lithium secondary battery comprising the same. R1 = {Average particle diameter (D50) value of positive electrode active material x BET specific surface area value of conductive agent} / Average particle diameter (D50) value of conductive agent2In Equation 1, the average particle diameter (D50) value (µm) of positive electrode active material, the BET specific surface area value (m2/g) of conductive agent, and the average particle diameter (D50) value (µm) of conductive agent are dimensionless numbers with the units omitted.
Resumen de: EP4773193A1
The present invention relates to a method for manufacturing an electrode for a lithium secondary battery, the method including the step of laminating a transfer laminate including a lithium metal layer and a carrier film on one surface of an electrode active material layer provided on at least one surface of an electrode current collector layer, wherein at least one surface of the carrier film has a maximum height roughness (Sz) in a vertical direction of 17 µm or less and an arithmetic mean roughness (Sa) of 3 µm or less, and to an electrode for a lithium secondary battery manufactured thereby, a lithium secondary battery including the same, and a transfer laminate for pre-lithiation.
Resumen de: EP4773391A1
A battery module according to an exemplary embodiment of the present disclosure includes battery cells, and a module case configured to form an accommodation space for accommodating the battery cells therein and including at least one venting channel provided at an upper portion and configured to guide external discharge of venting gas. According to the battery module of the present disclosure configured as described above, the upper portion of the module case is formed with the venting channel to guide the external discharge of venting gas and particles. Thereby, the back flame phenomenon in which high-temperature venting gas and particles enter adjacent venting holes can be effectively prevented.
Resumen de: EP4773191A1
0001 An electrode groove forming apparatus according to the present disclosure is configured to form an electrode groove on an electrode, and includes a roller body configured to rotate, a stage configured to support the electrode, and a protrusion protruding from an extension start point on the roller body. The protrusion includes a portion having a predetermined angle relative to an imaginary line extending from a center of the roller body toward the extension start point.
Resumen de: EP4773424A1
To achieve the above object, a battery module according to an exemplary embodiment of the present disclosure may include a cell frame configured to accommodate a battery cell; a bracket mounted on the cell frame; a fixing member mounted to the bracket and configured to secure a wire harness arranged above the bracket; and a fastening member configured to fasten the cell frame and the bracket.
Resumen de: EP4772303A1
A tab notching apparatus according to the present disclosure includes a suction pipe having a suction hole through which a residual scrap moves, the residual scrap being formed in forming an electrode tab, and a cutting device configured to cut the residual scrap moving toward the suction hole, wherein the cutting device includes a cutter configured to slidably move.
Resumen de: EP4773420A1
A pole, a cover assembly, and a cell are provided, which relates to the field of cell technologies. The pole includes a body having a first surface, and the first surface defines a tab welding groove; The tab welding groove includes at least one groove sidewall, the groove sidewall is configured to be in contact with the tab of the cell, and a plane where the groove sidewall is located is gradually inclined toward an axis of the pole in a direction away from the first surface.
Resumen de: EP4773422A1
0001 A battery includes a battery housing, an electrode assembly housed in the battery housing, a terminal gasket positioned in a through-hole extending through an end wall of the battery housing, an electrode terminal positioned within the terminal gasket so as to be spaced from the end wall, and a deformable element positioned between the end wall and the electrode terminal to bias the electrode terminal towards the end wall. 0002 The battery housing has a first electrical polarity, and the electrode terminal has an opposite second electrical polarity. The biasing element may be a spring washer in a compressed state. The biasing element has a higher melting point than the terminal gasket. 0003 Accordingly, upon melting of the terminal gasket during thermal runaway, the deformable element returns towards an undeformed state to cause the electrode terminal to electrically contact the battery housing to induce a short circuit.
Resumen de: EP4773426A1
The technical concept of the present disclosure provides a battery pack including: a pack housing; a cell assembly including a frame provided on the pack housing and battery cells accommodated in the frame; a mounting block provided between the frame and the pack housing; and a first bolt fastening the frame to the mounting block and spaced apart from the pack housing, wherein the mounting block includes an insulation layer provided at a portion in contact with the frame and a portion in contact with the pack housing.
Resumen de: EP4773369A1
A battery module according to an exemplary embodiment of the present disclosure includes a plurality of battery cell assemblies, each including one or more battery cells and a cell cover configured to enclose five surfaces of the one or more battery cells excluding an upper surface, and a busbar frame assembly coupled to at least one surface of the plurality of battery cell assemblies.
Resumen de: EP4772483A1
0001 Provided herein are barrier compositions, articles comprising barrier compositions, and methods for forming a barrier. By some approaches, a barrier composition comprises a ceramic material including a stabilized zirconia and a binder. The ceramic material includes a stabilized zirconia (ZrO<2>) having a coefficient of thermal expansion (CTE) in the range of about 10 x 10<-6>/°C to about 12 x10<-6>/°C, the ceramic material present in the barrier composition in an amount in the range of about 10 percent by weight and about 75 percent by weight. The binder includes a phosphate-based compound, the binder present in the barrier composition in an amount in the range of about 40 percent by weight to about 75 percent by weight.
Resumen de: EP4773327A1
0001 The present disclosure relates to an electrode assembly and a secondary battery including the same, and more specifically, to an electrode assembly and a secondary battery including the same that may enable good electrolyte impregnation near the center part of the electrode assembly where compressive stress is high, thereby suppressing lithium deposition and thus controlling a phenomenon where the swelling of the electrode assembly is accelerated, and furthermore, may ultimately suppress the risk of rupture and abnormal heating behavior in the battery case.
Resumen de: EP4773468A1
0001 A battery apparatus includes a charging path through which a charging current is supplied to a battery bank (B) that includes one or more battery cells (C), a charge control switch (SW_C) positioned on the charging path (300) and configured to selectively allow or block a flow of the charging current, and a processor (100) configured to wake up as the charging current is supplied through the charging path, to turn off the charge control switch, and to monitor cell voltages of the one or more battery cells (C) to detect an abnormal battery cell among the one or more battery cells.
Resumen de: EP4773423A1
0001 A secondary battery is disclosed. According to the present disclosure, there is provided a secondary battery including an electrode assembly accommodated in a case, a current collector electrically connected to the electrode assembly, and a rivet welded to the current collector, wherein the current collector includes a stress relief space configured to accommodate least a portion of a weld bead generated during welding with the rivet.
Resumen de: EP4773211A1
The present application relates to a negative electrode for a lithium secondary battery, a method for manufacturing a negative electrode for a lithium secondary battery, and a lithium secondary battery including a negative electrode.
Resumen de: EP4773332A1
A battery system (1) includes a battery module (10) and a measuring device (20) that (i) operates in a sleep mode or an active mode, (ii) performs a state measurement function of the battery module (10) during the active mode, and (iii) deactivates the state measurement function during the sleep mode. A control device (40) controls the measuring device (20) to alternately repeat the sleep mode and the active mode during an idle period of the battery system (1), estimates a full-charge arrival time or a full-discharge arrival time according to a present state of a battery cell (11) included in the battery module (10), and sets a wake-up cycle for transitioning the measuring device (20) from the sleep mode to the active mode using the full-charge arrival time or the full-discharge arrival time.
Resumen de: EP4772388A1
0001 The present disclosure refers to a battery system (100). The battery system (100) includes a plurality of battery modules (10). Each of the battery modules (10) includes a plurality of battery cells (12) stacked along a stacking direction (S). First halves of the plurality of battery cells (12) of each adjacent battery module (10) are electrically connected with each other to form a first electric stack (14) and second halves of the plurality of battery cells (12) of each adjacent battery module (10) are electrically connected with each other to form a second electric stack (16). The battery system (100) is configured to selectively connect the first electric stack (14) and the second electric stack (16) in series or in parallel.
Resumen de: EP4773291A1
La présente invention se rapporte à un procédé pour la préparation d'un complexe de transfert de charge polymérique comprenant au moins les étapes A) et B) consistant à :- A) mettre en contact, dans un milieu solvant et en présence d'une base de métal alcalino-terreux et/ou de métal de transition, un composé halogéné choisi parmi le chloranil, le fluoranil, le bromanil, le iodanil, avec au moins un composé de formule (III) : NC-Rb-CN (III),pour former un sel de formule (I)puis- B) mettre en contact ledit sel avec un moins un polymère donneur d'électrons pour former un complexe de transfert de charge polymérique.
Nº publicación: EP4772257A1 08/07/2026
Solicitante:
REMETALL DEUTSCHLAND AG [DE]
ReMetall Deutschland AG
Resumen de: EP4772257A1
0001 A method for extracting valuable components from the black mass of lithium electrodes is disclosed. The method involves vacuuming and distilling off impurity residues from the black mass, followed by converting metals in the black mass into a water-soluble form by autoclave electrochlorination in hydrochloric acid (HCl) with the imposition of alternating and direct currents. Subsequently, cobalt and nickel are electroplated on a cathode, with recondensation of HCl from the autoclave into a separate container for its reuse. The dry residue of chlorinated black mass is then treated with water and filtered to extract the remaining metals such as manganese and lithium. The filtrate is subjected to electrodialysis in a three-section cell of an electrolyzer for further extraction of valuable components.
BOPI
Sede Electrónica
