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1157
resultados
Última actualización
02/06/2025 [07:15:00]
Resumen de: FR3155965A1
Titre de l’invention : Paroi perturbatrice de la circulation d’un fluide caloporteur au sein d’un moyen de stockage en énergie électrique. La présente invention concerne un dispositif de régulation de température (9) d’une pluralité de cellules électrochimiques (4) organisée en sous-ensembles (6), le dispositif de régulation de température (9) comprenant au moins une paroi (8) comportant une partie centrale (10) interposée entre deux sous-ensembles (6) adjacents, ladite paroi (8) étant configurée pour participer à délimiter au moins un canal de circulation (14) d’un fluide caloporteur, le canal de circulation (14) étant configuré pour que ledit fluide caloporteur destiné à circuler au sein dudit canal de circulation (14) soit au contact d’au moins un sous-ensemble (6) le long d’une dimension longitudinale de ce sous-ensemble (6), ladite paroi (8) comprenant des moyens de perturbation (16) de l’écoulement du fluide caloporteur au sein de l’au moins un canal de circulation (14). (Figure 3)
Resumen de: FR3155964A1
Module de batterie comprenant un circuit de refroidissement Module de batterie (1), notamment pour aéronef, comprenant un circuit de refroidissement (3) incluant un tube de refroidissement (5) et une pluralité d’ailettes (7) rapportées sur le tube de refroidissement (5), chaque ailette (7) présentant une portion de coopération (9) en contact avec le tube de refroidissement (5), ladite portion de coopération (9) s’étendant au moins en partie selon une direction d’extension (11) du tube de refroidissement (5) de sorte à définir une coopération par complémentarité de forme entre ladite ailette (7) et le tube de refroidissement (5) ; une pluralité de cellules électrochimiques (13) comprenant chacune deux bornes (15), les cellules électrochimiques (13) étant configurées pour être reliées ensemble en série et/ou en parallèle, chaque cellule électrochimique (13) étant configurée pour être en contact avec au moins une ailette (7) ou au moins un élément de liaison à ladite ailette (7). Figure 1
Resumen de: FR3155963A1
Une cellule (100) de batterie comprend un boitier (105) et un rouleau (102) logé dans le boitier (105), le rouleau (102) délimitant un volume (106) central autour duquel ledit rouleau (102) est formé par enroulement. Le rouleau (102) comprend des électrodes (103, 104) de la cellule (100). La cellule (100) comprend au moins un organe (101) de rappel agencé au moins en partie dans le volume (106) central, ledit au moins un organe (101) de rappel exerçant un effort de rappel sur le rouleau (102) tendant à assurer un maintien du rouleau (102) entre ledit au moins un organe (101) de rappel et une paroi (107) du boitier (105) de la cellule (100). Figure à publier avec l’abrégé : Fig. 3
Resumen de: FR3155901A1
L’invention concerne une méthode (100) pour détecter une défaillance d’une batterie au plomb. La méthode comporte, pour chaque segment d’une pluralité de segments d’une phase de « tension constante », ou phase CV, d’un cycle de charge de la batterie : une collecte (110) de plusieurs mesures de courant pour former un signal de « courant de floating » pour le segment considéré, une décomposition en modes empiriques (120) du signal de courant de floating,un calcul (140) d’une énergie intrinsèque pour chaque composante intrinsèque obtenue par la décomposition,un calcul (150) d’une énergie intrinsèque totale normalisée en fonction des énergies intrinsèques et d’une énergie intrinsèque maximale déterminée parmi les énergies intrinsèques des différentes composantes, une évaluation (160) d’un critère de détection d’une défaillance de la batterie en fonction de l’énergie intrinsèque totale normalisée. Figure pour l’abrégé : Fig. 1
Resumen de: FR3155969A1
Module de batterie à au moins un accumulateur comprenant une poudre métallique à changement de phase pour limiter la propagation d’emballement thermique et de l’augmentation de pression afférente. L’invention concerne un module (M) de batterie comprenant au moins une poudre métallique (10) à changement de phase, mise dans au moins une zone destinée au passage des gaz chauds libérés par un des accumulateurs lors d’un emballement thermique, la poudre étant adaptée pour changer de phase dans la zone et ainsi limiter la convection thermique des gaz chauds libérés. Figure pour l’abrégé : fig.7
Resumen de: US2025174778A1
A top cover assembly and a single battery are disclosed. The top cover assembly includes a top cover sheet and a lower plastic, the lower plastic is connected to one side of the top cover sheet, the lower plastic includes a first connecting member and a second connecting member which are arranged at an interval, and a buffer member connected between the first connecting member and the second connecting member, and the buffer member is capable of expanding and contracting according to a change of a distance between the first connecting member and the second connecting member.
Resumen de: US2025174772A1
A rechargeable battery includes: an electrode assembly; a case to accommodate the electrode assembly; a hydrophilic layer on a first surface of the case; and a hydrophobic layer on a second surface of the case.
Resumen de: US2025170795A1
A roll pressing device may include a roller configured to pressurize a substrate provided with an active material, and provided with a pair of cooling lines through which a coolant circulates, respectively, a shaft supported by a bearing and configured to drive the roller, a pair of supply lines provided on both sides of the shaft and configured to supply the coolant to the pair of cooling lines, respectively, and a pair of discharge lines provided on the both sides of the shaft and configured to discharge the coolant having cooled the roller from the pair of cooling lines, respectively, where the pair of cooling lines are separated from each other.
Resumen de: US2025170763A1
The disclosure relates to an application device for mixing a plurality of components for producing a multicomponent mixture, in particular a polyurethane foam, and for introducing and/or applying the multicomponent mixture into and/or onto an object, in particular a lithium-ion battery, comprising: a mixing tube with a first closed end and a second end for discharging the multicomponent mixture from the mixing tube, wherein the mixing tube comprises a mixing chamber, a plurality of injection units, which are arranged on the mixing tube and are each configured to inject a corresponding one of the plurality of components into the mixing chamber, and a mixer, which is arranged in the mixing space and is configured to mix the injected components with one another along the mixing tube. Furthermore, an application system comprising the application device and a method for mixing a plurality of components for producing a multicomponent mixture and for introducing and/or applying the multicomponent mixture into and/or onto an object is disclosed.
Resumen de: US2025170676A1
Provided is a laser welding method for welding a metal material and a laminated body of metal foil together by irradiation with laser light. The laser welding method includes: a first step of forming a first weld part in which at least a plurality of the metal foils included in the laminated body are welded by emitting the laser light; and a second step of welding the laminated body and the metal material together by irradiating the laser light onto a region at least partially including the first weld part.
Resumen de: US2025171325A1
In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to sulfide electrolytes and synthesis of sulfide oxide electrolytes. The electrolytes have the general formula AaMbScXd, have good ionic conductivity, and can demonstrate good air and moisture stability. The electrolytes can be a component of different types of batteries. The process of synthesizing the electrolytes is efficient and can be done under moderate conditions, which are useful characteristics of synthesis for scaling-up production.
Resumen de: US2025174764A1
A battery system includes a first rechargeable energy storage system (RESS) including a first housing, a second RESS including a second housing, and a thermal management system fluidically connected to the first RESS and the second RESS. The thermal management system includes a source of thermal management fluid, an inlet manifold including a thermal management fluid inlet fluidically connected to the source of thermal management fluid, and an outlet manifold including a thermal management fluid outlet fluidically connected to the thermal management fluid inlet manifold. A first thermal management fluid supply conduit extends through the first RESS and includes a first end connected to the inlet manifold and a second end connected to the first housing. A second thermal management fluid supply conduit extends through the second RESS and includes a first end portion connected to the inlet manifold and a second end portion connected to the second housing.
Resumen de: US2025174818A1
An energy storage system configured to reduce damage caused by a flame in response to a battery igniting. The energy storage system includes a cabinet, a battery modules inside the cabinet and each including a vent, a first channel facing the vent and including a first end portion and a second end portion spaced apart from each other in a first direction, a second channel inside the cabinet and connected to the second end portion, a guide member in the first channel and configured to guide movement of a flame or gas discharged from the vent in the first direction, and a discharge member connected to the second channel and configured to discharge a gas introduced into the second channel to the outside of the cabinet.
Resumen de: US2025174749A1
The present application relates to the field of lithium ion batteries, and in particular, to a waste lithium ion battery electrolyte solution recycling method and apparatus, an electronic device and a computer readable storage medium. The waste lithium ion battery electrolyte solution recycling method includes the steps of: crushing a waste lithium ion battery; cleaning with an organic solvent; performing first filtering; performing vacuum distillation; performing first thermal decomposition; dissolving by adding an acid solution; adding soluble carbonate and/or carbon dioxide for reaction; and performing second filtering. By means of the treatment of the steps, the solvent in the electrolyte solution can be obtained from the waste lithium ion battery, and the electrolyte is recycled in the form of phosphorus pentafluoride and lithium carbonate. In this way, the problem that the waste lithium ion battery electrolyte solution cannot be completely recycled is solved, the recycling benefit is improved, and excessive tail gas treatment cost and pollution to the environment are avoided. The present application further provides a waste lithium ion battery electrolyte solution recycling apparatus, an electronic device and a computer readable storage medium.
Resumen de: US2025174814A1
An energy storage apparatus includes: a battery module including a plurality of battery cells arranged in a first direction, each of the battery cells having a vent; and a ventilation unit mounted on the battery module and configured to guide flames ejected from the vent of one of the battery cells in the first direction and to block debris ejected from the one of the battery cells from flowing into adjacent ones of the battery cells.
Resumen de: US2025174816A1
A secondary battery module is disclosed. The secondary battery module includes a plurality of battery cells arranged with each other in a first direction, each of the plurality of battery cells including a terminal part on an upper surface, and a vent part to discharge gas, a frame part accommodating the plurality of battery cells, a busbar holder including an opening exposing the terminal part of the plurality of battery cells and a guide duct to guide the discharge of the gas, and a busbar in the opening of the busbar holder and electrically connecting adjacent battery cells of the plurality of battery cells.
Resumen de: US2025174630A1
Provided herein are solid-state cathode compositions and processes for making solid-state cathode compositions.
Resumen de: US2025174627A1
The present disclosure relates to the technical field of new materials, and in particular, to a method for preparing a composite current collector. A specific amount of copper-containing photosensitive material and a high-molecular polymer are utilized together as materials of the surface layer of the composite current collector substrate. The composite current collector substrate is prepared through co-extrusion with a material of a core layer and materials of the surface layer. Under ultraviolet irradiation, a portion of divalent copper ions is reduced to elemental copper, forming a nanoscale copper layer. Simultaneously, another portion of the copper-containing photosensitive material is activated to create seed crystals with catalytic activity for chemical copper plating. The synergy between the nanoscale copper layer and seed crystals meets square resistance requirements for chemical plating or electroplating. This effectively replaces physical vapor deposition step in traditional processes, thereby reducing energy consumption and production costs while improving production efficiency. Additionally, a process of the ultraviolet irradiation treatment does not cause macroscopic damage to the high-molecular polymer, preserving its physical strength and performance and leading to enhanced product yield.
Resumen de: US2025174632A1
A method of producing a bipolar battery pack, comprising: (a) providing a first set of multiple bipolar electrodes and at least one or multiple ion-permeable separator layers, wherein the bipolar electrode comprises (i) a current collector; (ii) a positive electrode layer disposed on a first primary surface; and (iii) an optional negative electrode layer deposited on the opposing primary surface; (b) stacking the bipolar electrodes alternately with the ion-permeable separator layers for connecting the multiple bipolar electrodes in series to form a stack in such a manner that a separator is disposed between the negative electrode layer of a bipolar electrode and the positive electrode layer of a neighboring bipolar electrode; (c) applying a pressure and/or heat to the stack for a period of time to consolidate the stack for forming a battery module; and (d) optionally encasing the module with a protective housing to form a pack.
Resumen de: US2025174671A1
A lithium secondary battery using a sulfur-containing component is provided. The lithium secondary battery is capable of suppressing a short circuit and achieving excellent battery performance in a lithium deposition type lithium secondary battery including a negative electrode current collector containing copper. The lithium secondary battery includes a positive electrode, a negative electrode including a negative electrode current collector containing copper, and a lithium metal anode when the lithium secondary battery is in at least partially charged state, a solid electrolyte layer interposed between the positive electrode and the negative electrode, an ion-conductive reaction suppression layer on a surface of the solid electrolyte layer and positioned in between the solid electrolyte layer and the negative electrode current collector, and a layer containing copper sulfide having a thickness of 100 nm or less interposed between the negative electrode current collector and the ion-conductive reaction suppression layer or the lithium metal anode.
Resumen de: US2025174855A1
A battery cell includes an electrode assembly. The electrode assembly includes: a negative electrode plate, including a negative current collector and a negative active material layer; and a positive electrode plate, including a positive current collector and a positive active material layer. A positive tab extends out from a first edge of the positive electrode body. The positive active material layer is disposed on a surface of the positive electrode body. Along a thickness direction of the negative electrode body, a projection of the positive active material layer on the negative electrode plate falls in the negative active material layer. The negative electrode plate further includes a first insulation layer. Along the thickness direction of the negative electrode body, a projection of the first edge on the negative electrode plate falls in the first insulation layer.
Resumen de: US2025174739A1
Disclosed in the disclosure is a battery pack, a vehicle, and a monitoring method for thermal runaway thereof. The battery pack includes: a cell set, including a plurality of single cells stacked in sequence; an end plate, provided along a stacking direction of the plurality of single cells on an end of the cell set; a monitoring structure, provided on at least one lateral surface that is parallel to the plurality of single cells and the end plate, configured to monitor an expansion deformation value of the plurality of single cells; a battery management system, BMS, electrically connected to the monitoring structure, configured to calculate a deformation rate and a deformation velocity in a preset time according to the expansion deformation value so as to determine whether the battery pack is in a thermal runaway state according to the deformation rate and the deformation velocity.
Resumen de: US2025174854A1
In an aspect, the disclosure relates to a battery cell, comprising: a housing; an electrode material; a current collector; and an interface component; and wherein the housing comprises the electrode material, at least a portion of the current collector and the interface component; wherein the current collector comprises a first connection portion connected to the electrode material and a second connection portion connectable to a battery terminal; wherein the interface component is arranged between the current collector and the housing; wherein the interface component is in contact with the current collector and the housing; wherein the interface component is configured for electrically insulating the housing from the current collector; and wherein the interface component comprises an interface material having a thermal conductivity of at least 1 W/(m*K).
Resumen de: US2025174668A1
Provided are a dry electrode structure and a method of manufacturing the same. An electrode structure may include an electrode substrate including a conductive material, a dry electrode portion bonded to the electrode substrate, and a bonding reinforcement portion on the electrode substrate to reinforce bonding force between the electrode substrate and the dry electrode portion.
Nº publicación: US2025174663A1 29/05/2025
Solicitante:
ATLAS POWER TECH INC [CA]
Atlas Power Technologies Inc
Resumen de: US2025174663A1
Electrical energy storage devices made using a wet electrode application technique are associated with high energy consumption. Herein, a dry electrode or electrolyte application process involves mixing activated carbon with a binder and then fibrillating the mixture. The mixture is roll-pressed into a film, which is then actively cooled. Optionally, tension in the cooled portion of the film is increased for spooling the film. The film is adhered to a pre-treated current collector and then wound into a jelly roll for the manufacture of an electrical energy storage device.
BOPI
Sede Electrónica
