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1121
results.
Updated on
22/04/2026 [16:11:00]
Results 575 to 600 of 1121
Absstract of: EP4725563A1
0001 The present disclosure relates to a fire extinguishing composition and a battery pack including the same. The fire extinguishing composition includes an inorganic compound and a polycarboxylic acid compound in a predetermined content ratio and controls viscosity at room temperature to a predetermined range, thereby being capable of uniformly forming a fire extinguishing film at points where events occur when thermal events occur in battery packs, and thus has characteristics of high cooling effect and suffocating effect for fire extinguishing. In addition, the battery pack including the same can rapidly detect points where thermal events occur and directly spray the fire extinguishing composition concentratedly to the corresponding points, thereby not only facilitating prevention of thermal event propagation but also having an advantage of shortening the time required to resolve the event.
Absstract of: EP4726789A1
0001 The technology idea of the present invention provides an electrode manufacturing apparatus including a first rolling roll and a second rolling roll spaced apart from each other with an electrode sheet therebetween, and an induction heater configured to apply a high-frequency heating power source to at least one of the first rolling roll and the second rolling roll, in which the induction heater is configured to control a temperature of each region of the first rolling roll.
Absstract of: US12603371B1
Provided are a pack-level and space-level liquid nitrogen fire suppression linkage system and method for an energy storage power station. The system includes an energy storage cabin. Inside the energy storage cabin, energy storage rooms in which battery clusters are stored are independent fire protection subareas. A fan, a plurality of combined detectors, and a control valve are provided in each fire protection subarea, and an audible and visual alarm, a fire alarm bell, and an emergency start-stop switch are provided on an outer wall of each fire protection subarea. Two circular holes are formed on an upper side of a panel of a pack of each battery cluster, with one circular hole for mounting a fire detector and the other circular hole for laying a pack-level liquid nitrogen fire suppression branch pipe.
Absstract of: PL452983A1
Przedmiotem zgłoszenia jest płyn zagęszczany ścinaniem, który składa się z fazy ciągłej i fazy rozproszonej, przy czym fazę ciągłą stanowi ciekły polimer lub oligomer tlenku alkilenu o budowie liniowej lub rozgałęzionej nieposiadający na końcach łańcuchów grup hydroksylowych, a fazę rozproszoną stanowią cząstki tlenków wybranych z grupy obejmującej SiO2, Al2O3 lub TiO2, gdzie faza rozproszona stanowi od 1% do 80% wag. Płyn znajduje zastosowanie jako składnik elektrolitu w bateriach litowo-jonowych, litowych, sodowych, wapniowych, potasowych, magnezowych. Zgłoszenie obejmuje również elektrolit zagęszczany ścinaniem, który zawiera płyn zagęszczany ścinaniem i sole metali alkalicznych i znajduje zastosowanie w bateriach jako separator elektrod.
Absstract of: FR3167261A1
L’invention concerne un procédé pour la protection d’un circuit électrique (10) de véhicule électrique ou hybride comprenant une liaison électrique vissée (51, 52, 53, 54), une batterie (20) comprenant un module (21, 22) et un interrupteur (30), la liaison électrique vissée comprenant une sonde de température (41, 42, 43, 44), le procédé comprenant les étapes suivantes : - deux étapes de mesure de valeur de température de la liaison électrique vissée ;- une étape de calcul d’une valeur de gradient temporel de température de la liaison électrique vissée ;- une étape d’ouverture de l’interrupteur lorsque la valeur de gradient temporel de température calculée est supérieure à une valeur de seuil de gradient temporel de température de la liaison électrique vissée. Figure 1
Absstract of: FR3167250A1
Procédé de préchauffage d’une batterie haute tension d’un véhicule et véhicule correspondant L’invention concerne un procédé de préchauffage d’une batterie haute tension d’un véhicule (200) électrique ou hybride, utilisant un système de gestion thermique (1) apte à fonctionner en mode pompe à chaleur, le procédé de préchauffage comportant des étapes de :- réception d’un instant de démarrage (td) du véhicule (200) et d’une température initiale (Tbatt_init) de la batterie haute tension,- estimation d’une énergie thermique (Eth) à transmettre à la batterie haute tension pour que celle-ci atteigne une température cible (Tcible), - détermination d’un instant d’activation (tact) du système de gestion thermique (1) et de ses paramètres (Rpm_30, ω, P22) de fonctionnement, et- préchauffage de la batterie haute tension à partir de l’instant d’activation (tact), en utilisant les paramètres (Rpm_30, ω, P22) de fonctionnement,l’instant d’activation (tact) étant déterminé de sorte à minimiser une consommation électrique du système de gestion thermique (1) sur la durée de préchauffage. (Figure 3)
Absstract of: FR3167213A1
Méthode (100) pour détecter une défaillance d’une batterie Lithium-Ion. La méthode comporte, pour au moins une phase de relaxation de la batterie, et pour chaque cellule de la batterie : une collecte (110) de plusieurs mesures de tension de la cellule,une formation (120) d'un signal de relaxation sous la forme d’un logarithme d'une valeur normalisée de la tension de la cellule,une décomposition (130) en modes empiriques (EMD) du signal de relaxation en composantes intrinsèques. La méthode (100) comporte également : une détermination (150) d'une valeur d'incidence représentative d’un état de santé de la batterie à partir des composantes intrinsèques obtenues pour les différentes cellules, une évaluation (160) d’un critère de détection d’une défaillance de la batterie en fonction de la valeur d’incidence. Figure pour l’abrégé : Fig. 2
Absstract of: FR3167253A1
L’invention concerne une batterie pour un véhicule automobile électrique ou hybride comportant au moins un module et une pièce d’interconnexion (2), ledit module comportant au moins un terminal (1), la pièce d’interconnexion (2) et ledit terminal (1) étant reliés par un dispositif de liaison électrique vissée, ledit dispositif de liaison électrique vissée comportant un support (3) et une vis (4), caractérisé en ce que ledit terminal (1) comporte un dispositif de protection comprenant une première partie (5a) et une deuxième partie, ladite première partie (5a) encadrant partiellement ledit support (3), ladite deuxième partie formant un rebord entourant au moins partiellement ledit terminal (1), ledit module comportant un capot (6) isolant fixé sur ladite première partie (5a) et sur ladite deuxième partie, ledit module comportant un joint d’étanchéité (7) positionné entre ledit terminal (1) et ledit capot (6). Figure 2
Absstract of: FR3167059A1
DISPOSITIF D'EXTINCTION D'INCENDIE POUR VÉHICULE ÉLECTRIQUE L’invention concerne un dispositif d'extinction d'incendie pour véhicule électrique (100) comprenant un canal de cavité structural (22) formé dans un compartiment de batterie du véhicule électrique, et un connecteur (30) qui prolonge le canal jusqu'à une surface de carrosserie du véhicule (21). Dans un exemple, le connecteur est relié à un connecteur correspondant (40), une conduite, un panneau de commande (60) et une unité d'alimentation externe en agent extincteur (70) à l'extérieur du véhicule. Un détecteur envoie un signal au panneau de commande en cas de détection d'un incendie, et une vanne de conduite d'agent extincteur s’ouvre automatiquement pour libérer un agent à l'intérieur. Dans un autre exemple, le connecteur est relié à un connecteur correspondant, une conduite et une unité d'alimentation externe de source d’eau d'extinction d'incendie à l'extérieur du véhicule, et une conduite de source d'eau d'extinction d'incendie est ouverte manuellement. Figure à publier avec l'abrégé : Fig. 1
Absstract of: FR3167214A1
Méthode (100) pour estimer un état de santé d’une batterie Lithium-Ion. La méthode comporte, pour au moins une phase de relaxation de la batterie, et pour chaque cellule de la batterie : une collecte (110) de plusieurs mesures de tension de la cellule,une formation (120) d'un signal de relaxation sous la forme d’un logarithme d'une valeur normalisée de la tension de la cellule,une décomposition (130) en modes empiriques (EMD) du signal de relaxation en composantes intrinsèques. La méthode (100) comporte également : un calcul (150) d'une variance d'énergies des cellules à partir des composantes intrinsèques obtenues pour les différentes cellules, une détermination (160) d'un état de santé courant de la batterie (20) en fonction de la variance des énergies des cellules pour la phase de relaxation considérée. Figure pour l’abrégé : Fig. 2
Absstract of: US20260100417A1
Disclosed are an electrolyte and a bipolar battery including the same. The electrolyte includes a first component, the first component being a compound shown by Formula I below, wherein R1 and R2 are each independently selected from any one of an alkyl group having 1-3 carbon atoms, an alkenyl group having 2-3 carbon atoms, and a substituent having 1-3 heteroatoms; the heteroatoms are nitrogen atoms and/or sulfur atoms. When the electrolyte containing the compound shown by Formula I of the present disclosure is applied in the bipolar battery, the bipolar battery exhibits a good high-temperature storage performance and a good high-temperature cycling performance.
Absstract of: US20260100447A1
A method for configuring a cooling tube of a battery pack is disclosed. The method includes providing a cooling tube having a plurality of channels through which a cooling medium flows, and varying a number of channels (N) and an aspect ratio (D) of the channels. A pressure drop (ΔP) and deformation (δ) are determined as functions of N, D, a channel length (L), and a rib thickness (T), and the cooling tube is configured such that ΔP and δ are minimized to improve cooling efficiency. Also disclosed is a cooling tube for a battery pack including a plurality of channels, each having an aspect ratio defined by width and height. The channel arrangement and a rib thickness are selected to reduce pressure loss and channel deformation, thereby maximizing heat transfer efficiency.
Absstract of: US20260097636A1
0000 A holding device for one or more battery cells for a vehicle. The holding device includes a frame member, a first interface, and at least one second interface. The first interface is provided on the frame member. The first interface is configured for mechanically connecting an electric busbar or a collector plate to the frame member. The at least one second interface is also provided on the frame member. The at least one second interface is configured for mechanically connecting at least one electric converter unit to the frame member. The at least one second interface and the first interface are overlap-free. Additionally, a connection assembly for one or more battery cells for a vehicle is provided. Furthermore, a battery assembly for a vehicle is provided. Also, a method for manufacturing a battery assembly for a vehicle is provided.
Absstract of: US20260100443A1
0000 A battery module cooling structure includes a plurality of battery cells arranged parallel to each other. The battery module cooling structure includes a cooling channel that is disposed between adjacent battery cells of the plurality of battery cells, the supports the plurality of battery cells, and that defines a cooling channel configured to cool the plurality of battery cells by carrying a cooling fluid therein. The cooling channel extends from a side surface of the plurality of battery cells in a vertical direction of the plurality of battery cells and then extends under the plurality of battery cells to sides of the adjacent battery cells in a horizontal direction.
Absstract of: US20260100439A1
0000 A secondary battery includes a case comprising an accommodation part and a cap part, with an electrode assembly accommodated in the accommodation part. An electrode tab is connected to the electrode assembly, and a lead is connected to the electrode tab. An insulating layer is disposed to surround the lead, and a sealing layer seals the accommodation part and the cap part. The case comprises at least one layer in contact with the sealing layer. At least one of the accommodation part or the cap part comprises a heat dissipation member disposed on a surface of and inside of the at least one layer.
Absstract of: US20260100471A1
0000 A system includes a first battery module, a first cooling plate disposed adjacent to the first battery module, a second battery module spaced apart from the first battery module, a second cooling plate disposed adjacent to the second battery module and spaced apart from the first battery module and a first coolant path fluidically coupling the first cooling plate and the second cooling plate.
Absstract of: US20260100412A1
A solid-state electrolyte for lithium-ion cell is provided. The solid-state electrolyte includes a garnet-type solid-state electrolyte and a polymer filler, wherein the polymer filler is dispersed within the garnet-type solid-state electrolyte. The garnet-type solid-state electrolyte does not contain lithium carbonate, and the content of the garnet-type solid-state electrolyte is 60 wt % or more based on the total weight of the garnet-type solid-state electrolyte and the polymer filler.
Absstract of: US20260100431A1
0000 The present disclosure relates to a thermal runaway detection method and a thermal runaway detection device and battery system performing the same. An embodiment provides a thermal runaway detection device including: a measuring device configured to measure a temperature of a battery; and a control device configured to monitor the temperature of the battery based on a measurement value received from the measuring device, the control device being further configured to determine that a thermal runaway event has occurred in the battery based on the temperature of the battery and a status of the measuring device satisfying one or more conditions.
Absstract of: US20260100399A1
0000 An apparatus for production of inner assemblies including a movable frame, movable between first and second positions, a coupling unit including a forming support mounted on the movable frame, the coupling unit to couple at least one web in an overlapping layers structure onto the forming support to form an inner assembly while the movable frame is moving between the first and second positions, an unloading mechanism to pick the inner assembly from the forming support while the movable frame is moving between the first and second positions, and to release the inner assembly in a predefined release area, spaced from the movable frame, the unloading mechanism including a gripping device to grab and hold the inner assembly and a moving device to move the gripping device substantially at the same speed and in the same direction as the movable frame while the gripping device grabs the inner assembly.
Absstract of: US20260100432A1
0000 A method of evaluating a lifetime of a secondary battery, the method including receiving, via a data receiver, monitoring data of the secondary battery over charge and discharge cycles; determining, via a parameter determiner, a degradation prediction parameter of the secondary battery based on the monitoring data; and evaluating, via a lifetime evaluator, lifetime characteristics of the secondary battery based on the degradation prediction parameter.
Absstract of: US20260100425A1
A block or graft copolymer coated lithium metal electrode provides the negative electrode and the solid electrolyte for a rechargeable lithium metal battery that further includes a positive electrode. The copolymer coated lithium metal electrode may be manufactured by a process involving electroplating lithium metal through a copolymer coated conductive substrate, for which the copolymer coated conductive substrate has been prepared by coating the conductive substrate in a copolymer solution followed by evaporating the solvent. Alternatively, a lithium metal electrode may be coated directly with copolymer.
Absstract of: US20260097920A1
0000 An apparatus for the production of inner assemblies, including a feeding unit configured to feed at least one web along a feed path, a movable frame, movable between a proximal position and a distal position, the proximal position being closer to the feeding unit than the distal position, at least one winding device mounted on the movable frame and configured to wind the at least one web around a winding support to form an inner assembly, a holding member mounted on the movable frame, movable between a holding configuration, wherein the holding member is configured to hold the inner assembly wound on the winding support, and a disengagement configuration wherein the holding member is configured not to hold the inner assembly wound on the winding support, an extraction mechanism configured to extract the winding support from the inner assembly at least partially while the holding member holds the inner assembly.
Absstract of: US20260098834A1
The present disclosure relates to a secondary battery inspection apparatus, a secondary battery inspection method, and a secondary battery manufacturing method, and the problem solved by the present disclosure is to identify an internal state of a secondary battery in a non-destructive manner. A secondary battery inspection apparatus according to one embodiment includes a magnetic field generator configured to apply a magnetic field to the secondary battery to be tested, a high frequency generator configured to generate a high frequency of a predetermined frequency and apply the high frequency to the secondary battery to be tested, a sensor configured to detect electromagnetic waves emitted from the secondary battery to be tested to which the high frequency is applied while the magnetic field is applied and a processor configured to determine an internal state of the secondary battery to be tested using the emitted electromagnetic waves detected by the sensor.
Absstract of: US20260100598A1
The present disclosure relates to a battery protection circuit module and a method of protecting a battery using the same, and more particularly, to a battery protection circuit module that prevents an overvoltage protection malfunction and a method of protecting a battery using the same. A battery protection circuit module may include a first integrated circuit (IC) disposed relatively closely to an output stage, a first field effect transistor (FET) connected to the first IC, a second IC disposed relatively closely to an input stage, a second FET connected to the second IC, and a first shunt resistor disposed at a preset node by considering a difference between voltages recognized by the first IC due to a second shunt resistor and the second FET that are connected to the second IC.
Nº publicación: WO2026075550A1 09/04/2026
Applicant:
SAMSUNG SDI CO LTD [KR]
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Absstract of: WO2026075550A1
The present disclosure relates to a secondary battery and a battery pack comprising same. The purpose of the present invention is to eliminate weak welding defects and improve welding strength by forming a portion of a first current collecting member corresponding to a terminal to protrude and be in close contact with the terminal. To this end, the present disclosure provides a secondary battery comprising: an electrode assembly; a case accommodating the electrode assembly and having an opening and a closed portion; a cap plate sealing the opening; a terminal passing through the closed portion and disposed to face the electrode assembly; and a first current collecting member disposed between the electrode assembly and the terminal, with a portion protruding to be in close contact with the terminal.
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