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1807
results.
Updated on
12/05/2025 [07:18:00]
Results 775 to 800 of 1807
Absstract of: EP4550541A1
A battery pack and a method of manufacturing the same are disclosed, the battery pack includes a cell carrier holding an array of battery cells; a frame coupled to the cell carrier to reinforce rigidity of the cell carrier; a stud coupled to the cell carrier and passing through the frame; and a coupling portion coupling the frame to the stud.
Absstract of: EP4550432A1
Disclosed in an example embodiment is a notching device includes a die configured to support an electrode, a first stripper which moves toward the die and presses a mixture portion of the electrode, a second stripper which moves toward the die and presses an uncoated portion of the electrode, and a pattern portion which moves toward the die and forms a pattern on the uncoated portion.
Absstract of: EP4550434A1
According to one exemplary embodiment of the present invention, there is a negative electrode active material for a secondary battery which includes a silicon-carbon composite including a carbon-based material and a first silicon-based nano-coating layer formed on the carbon-based material; silicon carbide; silicon nitride; and second silicon-based particles.
Absstract of: EP4549403A1
The present invention provides a method of preparing a positive electrode active material for a sodium secondary battery, including: a) inputting a sodium composite transition metal oxide and a water washing solution into a reactor and stirring the reactants to dissolve residual sodium on the surface of the sodium composite transition metal oxide in the water washing solution; b) inputting cobalt salt into the reactor and performing stirring to coprecipitate cobalt hydroxide onto the sodium composite transition metal oxide particles; and c) heat-treating the sodium composite transition metal oxide particles on which the cobalt hydroxide is formed to form a cobalt coating layer on the particles.In addition, the present invention provides a positive electrode active material for a sodium secondary battery, which is prepared by the above preparation method and includes a plurality of sodium composite transition metal oxide particles including a cobalt oxide coating layer formed on the surface and/or inside the particles, wherein the plurality of sodium composite transition metal oxide particles have a relative standard deviation (RSD) of less than 30 of the atomic molar ratio (Co/M) of cobalt to total metals (M) excluding sodium at 4 random points selected through EDS mapping analysis.
Absstract of: EP4549397A1
One embodiment of the present invention provides a positive electrode active material for a sodium secondary battery, including P2-type layered oxide particles and O3-type layered oxide particles, wherein in SEM-EDS mapping analysis, an atomic ratio (S3/S2) of a surface Na content (at%) (S3) of the O3-type layered oxide particles to a surface Na content (at%) (S2) of the P2-type layered oxide particles is 0.4 to 1.6.
Absstract of: EP4549387A1
One embodiment of the present invention provides a solid electrolyte which has an argyrodite crystal structure and contains lithium, phosphorus, sulfur, element M, oxygen, and halogen elements, wherein the element M is at least one selected from an element (M2) with an oxidation number of 2+ and an element (M6) with an oxidation number of 6+, a substitution rate DS1 (%) of the element M represented by Relational Formula 1 is 0.1 to 1%, and a substitution rate DS2 (%) of the oxygen represented by Relational Formula 2 is 0.15% to 2%.
Absstract of: EP4549971A1
A battery management apparatus according to an embodiment disclosed herein includes a plurality of resistors respectively connected to a plurality of batteries, a plurality of first switches configured to respectively connect the plurality of resistors to output terminals of the plurality of batteries, a plurality of second switches configured to connect the plurality of resistors in parallel, and a controller configured to determine whether each of the plurality of batteries is abnormal, and control operations of the plurality of first switches and the plurality of second switches based on whether each of the plurality of batteries is abnormal.
Absstract of: EP4550495A1
A battery module (100) is disclosed. In some implementations, the battery module includes: a plurality of battery cells (100); a plurality of end plates (211, 212) respectively disposed on both sides of the plurality of battery cells; and an elastic plate 300 connected to the plurality of end plates, wherein the elastic plate includes a cover part covering sides of the plurality of battery cells, and a buffer portion extending from the cover part, and disposed between at least some of the plurality of battery cells.
Absstract of: EP4550447A1
The present invention provides a positive electrode active material for a sodium secondary battery, including layered oxide particles containing at least sodium and a transition metal, and a coating layer located on the layered oxide particles, wherein the coating layer includes at least two compounds selected from compounds having crystal structures belonging to space groups P421c, Fd-3m, and Pnma, respectively.
Absstract of: EP4549402A1
One embodiment of the present invention provides a positive electrode active material for a sodium secondary battery, including an O3-type sodium composite transition metal oxide containing at least sodium, a transition metal, and a doping metal, wherein the sodium composite transition metal oxide is a secondary particle in which a plurality of primary particles are aggregated, and an aspect ratio of the primary particle ranges from 1: 1 to 1:2.5.
Absstract of: EP4549388A1
One embodiment of the present invention provides a solid electrolyte which has an argyrodite crystal structure, and contains lithium, phosphorus, sulfur, element M, and a halogen element, wherein the element M is at least one selected from elements with an oxidation number of 1+ to 6+, and a substitution rate DS (%) of the element M represented by Relational Formula 1 is 0.1 to 1%.
Absstract of: EP4549975A1
A battery information communication system according to an embodiment of the present disclosure includes a battery information transmission device configured to obtain first battery information related to a battery, generate conversion information by applying a preset conversion rule to the first battery information to correspond to a charging and discharging state of the battery, and transmit the conversion information; and a battery information receiving device configured to receive the conversion information from the battery information transmission device, and reconvert the conversion information to correspond to the conversion rule to obtain second battery information corresponding to the first battery information.
Absstract of: EP4550556A1
A battery pack according to the present disclosure may include: a battery module; a pack tray configured to accommodate the battery module therein and have a top opening; a pack cover disposed on the top of the pack tray to seal an accommodation space where the battery module is accommodated; and a variable coupling part configured to connect the pack tray and the pack cover to each other and elastically couple the pack cover to the pack tray such that the accommodation space is variably expanded in response to an increase in pressure when an event occurs.
Absstract of: EP4550438A1
The present application provides an electrode plate, a battery cell, a battery, and an electrical apparatus, where the electrode plate comprises: a current collector comprising a tab region, a thinned region, and a non-thinned region, the thinned region being located between the non-thinned region and the tab region; and a film layer arranged on the thinned region and the non-thinned region, where the film layer comprises a first active material arranged on the thinned region and a second active material arranged on the non-thinned region, the thickness of the film layer of the thinned region is smaller than the thickness of the film layer of the non-thinned region, and the specific surface area of the first active material is larger than the specific surface area of the second active material. A lithium plating phenomenon in the thinned region of the electrode plate can be obviously ameliorated, thereby helping to reduce polarization of the electrode plate during battery cycling, and improving cycling performance and service life of the battery.
Absstract of: EP4549974A1
An apparatus for diagnosing a battery according to an embodiment of the present disclosure includes a storage unit configured to store bank information about voltage and capacity of each of a plurality of battery banks included in a battery module; and a control unit configured to generate a differential profile for each of the plurality of battery banks based on the bank information, determine a target peak in each of the generated plurality of differential profiles, and diagnose the state of the corresponding battery bank based on the determined target peak.
Absstract of: EP4550451A1
A lithium metal battery may include an anode current collector, a protective film on the anode current collector, a separator, a gel polymer electrolyte, and a cathode, the protective film includes boron nitride (BN) and a binder, and the gel polymer electrolytes contains a gel polymer, BN, a nitrile-based compound, and a liquid electrolyte.
Absstract of: EP4550494A1
The application relates to an electrode assembly (100, 100A) including a first electrode assembly (110) having first multiple windings of a first laminate (210), the first laminate (210) including a first electrode (10), a separator (30), and a second electrode (20), a middle portion (120, 160, 170) surrounding the first electrode assembly (110) and a second electrode assembly (130) that surrounds the middle portion (120, 160, 170), the second electrode assembly (130) having second multiple windings of a second laminate (220), the second laminate (220) including a first electrode (40), a separator (60) and a second electrode (50), wherein the middle portion (120, 160, 170) adjusts a gap between the first electrode assembly (110) and the second electrode assembly (130) according to pressure changes, or wherein the first laminate (210) and the second laminate (220) are disposed separately from each other, and the middle portion (120, 160, 170) is integrally connected with one the first laminate (210) or the second laminate (220).
Absstract of: EP4550502A1
The present invention is to provide an electrode supply device, an electrode assembly manufacturing apparatus using the electrode supply device, an electrode supply method, and an electrode assembly manufacturing method using the electrode supply method.
Absstract of: EP4549395A1
A positive electrode active material precursor according to one aspect of the present invention may be a precursor including a plurality of hydroxide particles, and may satisfy relational expression 1 below in an XRD pattern obtained through Rietveld fitting as a result of X-ray diffraction (XRD) analysis using a CuKα ray: 0.82≤FWHM102≤1.22, wherein a positive electrode active material precursor according to one aspect of the present invention may be also a precursor including a plurality of oxide particles, and may satisfy relational expression 2 below in an XRD pattern obtained through Rietveld fitting as a result of X-ray diffraction (XRD) analysis using a CuKα ray:127≤XRDpeakIntegralbreadth/4tanθ≤137 wherein, in above relational expression 1, said FWHM(102) means a full width at half maximum (FWHM(deg., 2θ)) of a (102) plane at an XRD peak defined by a hexagonal lattice having a R-3m space group, and in above relational expression 2, XRD peak Integral breadth is a value obtained by dividing an "area of the XRD peak" by a "height of the XRD peak," and θ is a Bragg angle of the corresponding peak.
Absstract of: US2024262702A1
A method for regulating a particle size of Prussian white, includes (1) adding a food-grade manganese sulfate solution and a complexing agent solution into a sodium ferrocyanide solution for a precipitation reaction to generate Prussian white crystal nucleus; (2) replacing the food-grade manganese sulfate solution with an industrial-grade manganese sulfate solution, and keeping other conditions unchanged, so that the Prussian white crystal nucleus grow continuously to obtain a slurry; and (3) successively subjecting the slurry to an aging reaction, solid-liquid separation, washing and drying to obtain a Prussian white product with a specific particle size. The food-grade manganese sulfate solution, and the sodium ferrocyanide solution are subjected to the precipitation reaction, and then the industrial-grade manganese sulfate solution are added to continue a precipitation reaction. The particle size of the Prussian white is regulated by controlling an adding time of the two manganese sulfate solutions
Absstract of: FR3154861A1
Dispositif de gestion thermique (1) pour véhicule automobile électrique ou hybride comportant :- une première boucle (A) comportant une première pompe réversible (A1), un premier dispositif d’échange de chaleur (A2) avec les batteries du véhicule automobile et un échangeur de chaleur bifluide (A3),- une deuxième boucle (B) comportant une deuxième pompe réversible (B1), un deuxième dispositif d’échange de chaleur (B2) avec le groupe motopropulseur du véhicule automobile et un radiateur (B3),- une première conduite de dérivation (D) comportant un premier dispositif anti-retour (11) configuré pour bloquer le fluide caloporteur refluant de son deuxième point de raccordement (D2) vers son premier point de raccordement (D1),- un deuxième dispositif anti-retour (12),- une deuxième conduite de dérivation (E),- un troisième dispositif anti-retour (13),la première pompe réversible (A1) étant disposée sur la première boucle (A) en amont d’un deuxième point de raccordement (D2) de la première conduite de dérivation (D) et en aval d’un premier point de raccordement (E1) de la deuxième conduite de dérivation (E),la deuxième pompe réversible (B1) étant disposée sur la deuxième boucle (B) en aval d’un premier point de raccordement (D1) de la première conduite de dérivation (D) et en amont d’un deuxième point de raccordement (E2) de la deuxième conduite de dérivation (E). Figure d’abrégé : Fig 1
Absstract of: FR3154879A1
Le dispositif pour l’équilibrage de la charge de cellules reliées en série d’une batterie (2) comprend : - des moyens de charge (3) configurés pour charger à tension constante les cellules de la batterie, et pour arrêter de charger les cellules lorsque l’intensité du courant circulant à travers les bornes de la batterie (2) est égale ou inférieure à un seuil (Sc), - des moyens d’attribution (12) configurés pour attribuer à chaque cellule (6, 7, 8, 9) de la batterie (2) un état de charge déduit de la tension mesurée aux bornes en circuit ouvert de ladite cellule et d’une courbe (CSOC) reliant des valeurs de la tension aux bornes de ladite cellule à des états de charge, et - des moyens d’équilibrage (13) configurés pour équilibrer les états de charge des cellules de la batterie selon l’état de charge attribué à chaque cellule. Figure pour l’abrégé : Fig 1
Absstract of: FR3154797A1
Titre : Dispositif de régulation thermique L’invention a pour objet un dispositif de régulation thermique (1) pour le refroidissement et/ou le chauffage d’au moins un composant (2) dont le fonctionnement est sensible à la température, ce composant (2) étant notamment un module électronique de puissance d’un onduleur ou une cellule de batterie, ce dispositif de régulation thermique (1) comportant un empilement de plaques (14), notamment brasées ensemble, au sein duquel est aménagé un circuit de fluide caloporteur, ce dispositif de régulation thermique (1) présentant une face externe (10) sur laquelle peuvent être posés un ou plusieurs composants (2), par exemple un module électronique de puissance, le circuit de fluide caloporteur comportant au moins un premier étage (E1) de circulation de fluide caloporteur et un deuxième étage (E2) de circulation de fluide caloporteur qui sont contigus, ces premier et deuxième étages de circulation de fluide caloporteur étant en outre sensiblement parallèles à la face externe (10) et présentant des trajets différents de fluide caloporteur, et le premier étage (E1) de circulation de fluide caloporteur étant disposé entre cette face externe (10) et le deuxième étage (E2) de circulation de fluide caloporteur. Figure pour l’abrégé : Fig. 2
Absstract of: FR3154859A1
Dispositif de refroidissement (30) pour une batterie (10) électrique, le dispositif de refroidissement (30) comprenant : - une enveloppe (32) formée de deux feuillets (36) de matériau souple s’étendant en regard l’un de l’autre, l’enveloppe (32) définissant des bords latéraux (47), - au moins un conduit (52) de circulation de fluide s’étendant entre les feuillets (36), et - au moins un connecteur fluidique (50) d’entrée et au moins un connecteur fluidique (50) de sortie. Le dispositif de refroidissement (30) comprend en outre : - une structure de support (34) rigide, comprenant une première partie (54) et une deuxième partie (56) conformées pour enserrer au moins un des bords latéraux (47) de l’enveloppe (32) entre elles, la deuxième partie (56) définissant au moins un évidement (68) prévu pour permettre à l’enveloppe (32) de faire saillie hors de la structure de support (34) à travers ledit évidement (68). Figure à publier avec l’abrégé : 2
Nº publicación: FR3154865A1 02/05/2025
Applicant:
RENAULT S A S [FR]
RENAULT s.a.s
Absstract of: FR3154865A1
Titre : Dispositif d’isolation électrique en matériau isolant pour un dispositif de stockage d’énergie électrique de véhicule Dispositif d’isolation électrique (100) en matériau isolant pour un dispositif de stockage d'énergie (10), le dispositif d’isolation électrique (100) étant caractérisé en ce qu’il comprend au moins une cavité (110) destinée à être agencée entre deux paires de languettes (14) conductrices d'électricité de deux cellules (12) voisines, ladite au moins une cavité (110) comprenant des parois (115) délimitant un volume interne pour y accueillir un produit de conduction thermique pour refroidir les languettes (14) de cellules (12), et caractérisé en ce que le dispositif d’isolation électrique (100) comprend également un agencement de lèvres (120) comportant au moins un bord flexible configuré pour être déformé de manière à appuyer sur une surface des languettes (14) des cellules (12). Figure de l’abrégé : Figure 5
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