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1039
results.
Updated on
17/07/2026 [07:34:00]
Results 975 to 1000 of 1039
Absstract of: 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.
Absstract of: EP4772372A1
0001 The invention concerns a battery holder (1) for a transport vehicle, the battery holder (1) comprising the successive stacking in this order of: a floor (5), at least two frames (3) and a lid (2); the floor (5), the at least two frames (3) and the lid (2) delimiting between them a housing (4) intended to receive battery modules (7) ; each frame (3) of the at least two frames (3) being fixedly attached to each adjacent frame (3) by a structural adhesive (9), said structural adhesive (9) being interposed between two adjacent frames (3) and configured to ensure mechanical fastening between said frames (3). 0002 The invention also concerns a battery (100) comprising such a battery holder (1).
Absstract of: EP4773343A2
Proposed is an immersion cooling module including a housing (10) in which an inlet (11) for cooling fluid to flow in and an outlet (12) for cooling fluid to flow out are formed, and in which the cooling fluid is accommodated at a predetermined level so as to form an upper space, a cooling chamber (20) coupled to a lower end of the housing (10), and configured to have a chamber inlet (21) through which the cooling fluid flows in and a chamber outlet (22) through which the cooling fluid is discharged, battery cells spaced apart from each other and immersed in the cooling fluid, and cooling fluid passage parts respectively formed in cooling spaces divided by the battery cells, wherein heat transfer members are arranged at predetermined intervals in a direction perpendicular to a flow direction of the cooling fluid.
Absstract of: EP4773273A1
0001 An all-solid-state battery according to an embodiment of the present disclosure includes a positive electrode current collector; a positive electrode active material layer on the positive electrode current collector; a solid electrolyte layer surrounding the positive electrode active material layer, the solid electrolyte layer covering a first top surface and first side surfaces of the positive electrode active material layer; a negative electrode active material layer partially surrounding the solid electrolyte layer, the negative electrode active material layer covering a second top part and second side parts of the solid electrolyte layer, wherein the solid electrolyte layer exposes at least one first exposed surface of the second side parts to the outside; and a negative electrode current collector on the negative electrode active material layer.
Absstract of: EP4773307A1
Provided are a composite electrolyte membrane and a lithium secondary battery including the same. According to an aspect of the present disclosure, a composite electrolyte membrane including: a fluorine-based porous support; and a gel polymer electrolyte including a fluorine-based compound is provided.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4773338A1
0001 Couverture de sécurité pour la surveillance de batteries électrochimiques, comportant : - une membrane souple (3), adaptée à entourer au moins partiellement au moins une batterie électrochimique (2) à surveiller en définissant une atmosphère confinée (8), cette membrane souple (3) présentant une face interne (5) destinée à être tournée vers la batterie électrochimique (2), et une face externe (6) destinée à être tournée vers l'extérieur ; - au moins un capteur d'oxyde de carbone (7) disposé sur la face interne (5) de la membrane souple (3) ; - un module de contrôle (9) raccordé au capteur d'oxyde de carbone (7) et adapté à détecter un évènement d'augmentation du taux d'un gaz oxyde de carbone dans l'atmosphère confinée (8) à une vitesse supérieure à un seuil prédéterminé ; - une interface d'alerte (10) adaptée à émettre un signal représentatif d'une alerte lorsque le module de contrôle (9) détecte ledit évènement.
Absstract of: EP4773337A1
0001 Couverture de sécurité pour la surveillance de batteries électrochimiques, comportant : - une membrane souple (3), adaptée à entourer au moins partiellement au moins une batterie électrochimique (2) à surveiller en définissant une atmosphère confinée (8), cette membrane souple (3) présentant une face interne (5) destinée à être tournée vers la batterie électrochimique (2), et une face externe (6) destinée à être tournée vers l'extérieur ; - au moins un capteur de température (4) disposé sur la face interne de la membrane souple (3) ; - un module de contrôle (9) raccordé au capteur de température (4) et adapté à détecter un évènement d'augmentation de température de l'atmosphère confinée (8) à une vitesse supérieure à un seuil prédéterminé ; - une interface d'alerte (10) adaptée à émettre un signal représentatif d'une alerte lorsque le module de contrôle (9) détecte ledit évènement.
Absstract of: EP4773244A1
A device for detecting a battery condition may include a storage device storing a battery model that models a voltage change and an internal impedance of a battery as an electrical circuit, a measuring device configured to measure a current value of the battery, and a control device configured to estimate a distribution status of lithium ions within a positive electrode active material of the battery, detect a distortion zone remaining in a boundary portion of two identicalphase regions within the positive electrode active material based on the distribution status, estimate an overvoltage caused by the distortion zone, correct the battery model by using a correction parameter corresponding to the overvoltage, and determine a first state-of-charge (SOC) of the battery by using the battery model and an SOC estimated by integrating the current value.
Absstract of: EP4773257A1
0001 Generally described, one or more aspects of the present disclosure relate to methods, systems, and devices related to forming a wound electrode assembly including a hemmed electrode and a separator, the hemmed electrode including an electrode film and a foil. The foil can include a core edge, a can edge, and a hemmed edge disposed between the core and can edges and extending from the core edge to the can edge. The electrode film can be disposed over the foil and the hemmed edge can extend beyond a top edge of the electrode film. The hemmed electrode can be wound to form a wound hemmed electrode assembly.
Absstract of: EP4773274A1
0001 An electrode (400) includes an electrode plate (200) including a substrate (210) and an active material layer (220) located on a portion of the substrate (210). A protective layer (300) including two or more regions having different thicknesses is provided on the electrode plate (200).
Absstract of: EP4773208A1
0001 The present disclosure relates to a positive electrode for a rechargeable lithium battery. The positive electrode includes a positive electrode current collector and a positive electrode active material layer formed 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 in contact with the positive electrode current collector, and a second positive electrode active material layer disposed on the first positive electrode active material layer. The first positive electrode active material layer includes a first positive electrode active material and the second positive electrode active material layer includes a second positive electrode active material. The DA (Degree of Alignment) value of the second positive electrode active material DA<2> is greater than the DA value of the first positive electrode active material DA<1>.
Absstract of: EP4773359A1
0001 A secondary battery includes a can including a bottom portion and a side portion extending from the bottom portion, an electrode assembly accommodated in the can, a cap assembly coupled to the side portion, and a gasket interposed between the side portion and the cap assembly. The side portion includes a beading portion bent inward between the cap assembly and the electrode assembly, and a crimping portion bent inward at an opening-side end of the side portion. A thickness of an upper region of the side portion above the beading portion is less than a thickness of a lower region of the side portion below the beading portion. The thickness of the upper region of the side portion above the beading portion is less than a thickness of the beading portion.
Absstract of: EP4773277A1
Provided is an insulating coating composition, an insulating layer, and a rechargeable lithium battery including the insulating layer. An insulating coating composition includes a boehmite particle and a binder, wherein the boehmite particle has a plate-like structure extending in a first direction and a second direction that crosses the first direction, the boehmite particle has a first width in the first direction, a second width in the second direction, and a thickness in a third direction perpendicular to the first direction and the second direction, a ratio of the thickness to the first width is about 0.8 or less, and a ratio of the thickness to the second width is about 0.8 or less.
Absstract of: EP4773344A1
0001 A battery module includes a housing including a cover plate having thermal conductivity, a plurality of secondary batteries accommodated in the housing and each including an electrode assembly, a case accommodating the electrode assembly, a cap plate which seals the case and faces the cover plate, and a pair of terminals installed on the cap plate, a plurality of busbars accommodated in the housing and configured to electrically connect the plurality of the secondary batteries, and a heat conductor between the cap plates of the plurality of the secondary batteries and the cover plate.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4773425A1
Proposed is an electrode assembly including a positive electrode plate, a separator, and a negative electrode plate sequentially stacked, wherein the positive electrode plate may include a first side region provided with a positive electrode external-connection non-coated part for electrical connection to an external terminal or lead, a non-coated part in a predetermined portion of a second side region, opposite to the first side region, where an active material layer is not formed, a coated part between the first and second side regions, where an active material layer is formed except for the non-coated part, and a positive electrode insulation coating part formed in the first side region of the positive electrode plate, extending from a boundary between the non-coated part and the coated part toward an end of the first side region of the positive electrode plate.
Absstract of: EP4773243A1
0001 A positive electrode sheet, methods for designing and evaluating performance of the same, an electrode assembly, and a secondary battery belonging to the technical field of power batteries are provided. The positive electrode sheet includes a positive current collector and a positive active material layer on at least one side of the positive current collector. The positive active material layer satisfies the following relational expression: 0.97(FD+D
Nº publicación: EP4772477A1 08/07/2026
Applicant:
SK INNOVATION CO LTD [KR]
SK ON CO LTD [KR]
SK innovation Co., Ltd.
SK On Co., Ltd.
Absstract of: EP4772477A1
0001 A cathode active material for a secondary battery according to one embodiment of the present disclosure includes a lithium metal oxide and has a C-axis lattice retention ratio (R
in Equation 1, R
BOPI
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