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1807
results.
Updated on
12/05/2025 [07:18:00]
Results 800 to 825 of 1807
Absstract of: FR3154860A1
Dispositif de refroidissement pour une batterie, comprenant : - une enveloppe formée de deux feuillets de matériau souple, - un conduit de circulation, - un orifice d’entrée de fluide et un orifice de sortie, et - au moins un connecteur fluidique (50) disposé à travers l’orifice d’entrée ou de sortie, comprenant : - une embase (80) comprenant : - un socle (82) définissant une ouverture centrale (90) traversante, le socle (82) définissant une face supérieure (92) disposée contre une face interne du feuillet (36), - un tube (84) solidaire du socle, s’étendant à travers l’orifice d’entrée ou l’orifice de sortie et débouchant à travers l’ouverture centrale, - une bague (88) assemblée sur l’embase et entourant circonférentiellement le tube, disposée en appui contre une face externe du feuillet, la face supérieure du socle étant fixée à la face interne du feuillet par au moins une soudure entourant circonférentiellement le tube. Figure à publier avec l’abrégé : 6
Absstract of: FR3154796A1
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 étant notamment un module électronique de puissance d’un onduleur ou une cellule de batterie, ce dispositif de régulation thermique comportant un empilement d’au moins trois plaques (14), notamment brasées ensemble, au sein duquel est aménagé un circuit de fluide caloporteur (15), ce dispositif de régulation thermique 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 (15) comportant au moins : un premier tronçon (17) de circulation de fluide caloporteur pourvu de premiers éléments de perturbation (18) de l'écoulement de fluide configurés pour favoriser un transfert de chaleur dans une première plage de débit du fluide caloporteur dans ce premier tronçon (17), et un deuxième tronçon (19) de circulation de fluide caloporteur pourvu de deuxièmes éléments de perturbation (20) de l'écoulement de fluide pour favoriser un transfert de chaleur dans une deuxième plage de débit du fluide caloporteur dans ce deuxième tronçon (19). Figure pour l’abrégé : Fig. 2
Absstract of: FR3154863A1
Titre : Boîtier pour module de batterie électrique de véhicule Boîtier (2) pour module de batterie (10) de véhicule (1) automobile comprenant une base (3), un couvercle (4) et au moins une patte de fixation (5) du boîtier (2) au sein du véhicule (1) configurée pour recevoir un moyen de fixation (6) et configurée pour être fixée au niveau d’une structure de caisse (11) du véhicule (1), une première surface (51) de l’au moins une patte de fixation (5), configurée pour être disposée en regard ou au contact de la structure de caisse (11), et/ou une deuxième surface (52) de l’au moins une patte de fixation (5) comprenant au moins une couche secondaire de revêtement (54). Figure de l’abrégé : Figure 4
Absstract of: FR3154862A1
Système de batterie de servitude (1) comprenant un ensemble de batterie (1) comprenant : - un socle (2), - la batterie de servitude (1), comprenant une base (3) solidarisée au socle (2), et comprenant une première face (F1) opposée à la base (3) et présentant une première et deuxième bornes de raccordement électrique (B1, B2), ainsi qu’une deuxième face (F2) orthogonale à la base (3) et à la première face (F1), - une pièce métallique (4, 5) solidaire du socle (2) et/ou de la batterie (1), en vis-à-vis de l’une des autres faces de la batterie (1), et en connexion électrique avec la première borne (B1), ce système de batterie de servitude comprenant en outre : - un écran de protection thermique (6) s’étendant selon un plan parallèle à la deuxième face (F2), et comprenant un moyen de fixation (M1) à l’ensemble de batterie, caractérisé en ce que l’écran thermique (6) comprend une protubérance (7) s’étendant orthogonalement au plan parallèle et recouvrant la pièce métallique (4, 5). Figure 1.
Absstract of: FR3154864A1
Batterie pour plateforme navale et procédé de montage Batterie électrique pour plateforme navale, la batterie comprenant une pluralité de blocs (20A…20F) structurellement analogues, comprenant : - un ensemble (22) comportant une pluralité d’éléments (24) empilés selon une direction longitudinale (L), les éléments comprenant des accumulateurs (42) prismatiques, l’ensemble ayant une forme parallélépipédique et comportant une face principale (74), une face opposée (76), et quatre faces latérales (78, 80, 82, 84), - des éléments métalliques de protection s’étendant au moins en vis-à-vis des faces latérales et de la face opposée, - une première bague (28) comprenant une matière plastique, de forme rectangulaire, entourant la face principale et configurée pour exercer une pression (P1) longitudinale sur deux des quatre faces latérales, - une deuxième bague (30) entourant la face opposée et configurée pour exercer une pression (P2) longitudinale sur deux des quatre faces latérales, la première et la deuxième bague maintenant la pluralité d’éléments à distance des éléments métalliques de protection. Figure pour l'abrégé : Figure 3
Absstract of: FR3154798A1
Titre : Dispositif de régulation thermique L’invention a pour objet un dispositif de régulation thermique (2) pour le refroidissement et/ou le chauffage d’au moins un composant (4) dont le fonctionnement est sensible à la température, ce composant étant notamment un module électronique de puissance d’un onduleur ou une cellule de batterie, ce dispositif de régulation thermique (2) comportant : Un empilement (10) d’au moins trois plaques de circulation (12) , notamment brasées ensemble, au sein duquel est aménagé au moins un circuit de fluide caloporteur , ce dispositif de régulation thermique (2) présentant une face externe (8) sur laquelle peuvent être posés un ou plusieurs composants (4), par exemple un module électronique de puissance, les trois plaques de circulation (12) comportant chacune au moins une forme emboutie formant un élément de perturbation de l'écoulement de fluide dans le circuit de fluide caloporteur. Figure pour l’abrégé : Fig. 2
Absstract of: WO2025089819A1
The present invention relates to a copolymer and a viscosity reducer comprising same and, more specifically, to a copolymer, and a viscosity reducer, a cathode slurry composition, a cathode, and a secondary battery each comprising same, wherein the copolymer enables the preparation of a cathode slurry composition with low viscosity and excellent dispersibility and the manufacture of a cathode having superior binding strength between a cathode active material and a current collector.
Absstract of: WO2025089794A1
The present invention relates to an all-solid-state battery comprising a positive electrode, a solid electrolyte layer, a coating layer, and a negative electrode current collector, wherein the coating layer comprises amorphous carbon, the amorphous carbon comprises nitrogen-containing amorphous carbon, and the nitrogen content (atomic %) contained in the coating layer is in the range of 0.5% to 7%. The all-solid-state battery according to the present invention may have an excellent capacity retention rate according to cycles during high-rate charging and discharging.
Absstract of: WO2025089678A1
The present invention provides: a single-walled carbon nanotube having a weight change of 5% or less at 40 °C to 550 °C when the temperature is increased at 10 °C/min using a thermogravimetric analyzer, wherein the content of the sulfur element is less than 0.1 wt% on the basis of the total weight of elements measured by using an elemental analyzer; a single-walled carbon nanotube dispersion; and an electrode and a secondary battery comprising same.
Absstract of: WO2025089737A1
The present invention relates to a method for manufacturing an electrode-integrated separator for a lithium secondary battery, the method comprising the steps of: forming a binder coating layer by applying, onto an electrode substrate, a binder solution containing a first polymer binder; and forming a porous layer by applying, onto the binder coating layer, a slurry containing a second polymer binder and inorganic fine particles, wherein the binder solution has a viscosity of 1000-9500 cP at 25 °C.
Absstract of: WO2025089744A1
A battery pack according to the present invention comprises: a plurality of secondary batteries which include battery cases having electrode leads and lead sealing portions corresponding to the electrode leads, and which face each other such that the lead sealing portions are arranged in one direction; cooling plates positioned between the plurality of secondary batteries; and a pack case having an accommodation space for accommodating the plurality of secondary batteries, the pack case having drains that are adjacent to the lead sealing portions and are recessed in the direction of moving farther away from the lead sealing portions.
Absstract of: WO2025087174A1
The present disclosure relates to the technical field of batteries, and provides a battery. The battery comprises a positive electrode sheet and a negative electrode sheet, the negative electrode sheet comprises a negative electrode current collector and a negative electrode active layer disposed on the negative electrode current collector, and a negative electrode active material in the negative electrode active layer comprises graphite and hard carbon; the positive electrode sheet comprises a positive electrode current collector and a positive electrode active layer disposed on the positive electrode current collector, a positive electrode active material in the positive electrode active layer comprises lithium iron phosphate, the battery is discharged, and a voltage and capacity curve is drawn for differentiation to obtain a differential value dV/dQ curve; dV/dQ satisfies the following condition: within the range of 25-35% SOC, the differential value dV/dQ ranges from -0.07 V/Ah to -0.01 V/Ah. The blending ratio of the hard carbon in the negative electrode active material and the differential value dV/dQ of the negative electrode active material are within a specific range, so that favorable and unfavorable factors caused by blending of the hard carbon can be balanced, and the situation of voltage decay being too rapid is reduced while the reduction of battery costs and the improvement of the safety performance and the cold start performance are ensured.
Absstract of: WO2025087170A1
A rolling mechanism, a coating apparatus and a battery production system. The rolling mechanism comprises at least three work rolls (10) and a plurality of support rolls (20), wherein the at least three work rolls (10) are sequentially arranged along a preset path, and a rolling gap (f) is formed between every two adjacent work rolls (10) on the preset path; one of the work rolls (10) is defined as a calibration roll (11), and two work rolls (12) adjacent to the calibration roll (11) are arranged in two intersecting radial directions of the calibration roll (11); and some of the support rolls (20) support the work rolls (10) located at a first position, some of the support rolls (20) support the work rolls (10) located at the last position, and the remaining support rolls (20) support the calibration roll (11). During an advancing process of a film belt, the calibration roll cooperates with the work rolls adjacent thereto to effectively support the film belt, thus reducing the risk of breakage of the film belt; and the support rolls reduce the bending deformation of the work rolls during a rolling process, and relieve the problem of the thickness of the film belt not being uniform due to the poor consistency of rolling gaps, thus facilitating the improvement in the uniformity of the thickness of the film belt.
Absstract of: WO2025087111A1
An electrode sheet, a battery cell, and an electric device. The electrode sheet comprises a current collector, a first transition layer, a second transition layer, two active material layers, a first conductive member, and a second conductive member. The current collector comprises a supporting layer, a first conductive layer, and a second conductive layer. The current collector further comprises a first section and a second section. The first transition layer is located in the first section. The second transition layer is located in the first section. One of the active material layers is arranged on the first transition layer, and the other of the active material layers is arranged on the second transition layer. The first conductive member is arranged on the first conductive layer. The second conductive member is arranged on the second conductive layer. The first conductive member and the second conductive member are welded and form a plurality of welding marks, and at least one welding mark is further connected to the current collector. The current collector further comprises a first part and a second part, the projection of an edge part of each active material layer adjacent to the welding marks and the projection of the first part overlap, and the second part is provided with welding marks. The tensile strength of the first part is smaller than that of the second part. The electrode sheet can improve the safety.
Absstract of: WO2025086617A1
A non-aqueous electrolyte and a quick-charging secondary battery. The non-aqueous electrolyte comprises a primary injection electrolyte and a secondary injection electrolyte. The primary injection electrolyte comprises a mixed lithium salt, a carboxylic acid ester solvent, and a primary additive; the primary additive comprises vinylene carbonate and fluoroethylene carbonate; and on the basis of the mass of the primary injection electrolyte, the mass percentage content of the vinylene carbonate is A%, and the mass percentage content of the fluoroethylene carbonate is B%, wherein the value of A+B ranges from 1 to 6. The secondary injection electrolyte comprises a secondary additive; the secondary additive comprises vinylene carbonate; and on the basis of the mass of the secondary injection electrolyte, the mass percentage content of the vinylene carbonate is C%, wherein the value of (A+B)/C ranges from 0.06 to 0.48. The non-aqueous electrolyte is applicable to quick-charging and wide-temperature secondary battery systems.
Absstract of: WO2025086295A1
An electrolyte, a secondary battery and an electric device. The electrolyte comprises a fluoroether solvent and a pyrrole ionic liquid. The electrolyte has flame retardance and can improve the safety performance of batteries.
Absstract of: WO2025086616A1
An electrolyte, a secondary battery, and an electrical apparatus. The electrolyte comprises an organic solvent and inorganic nanoparticles. The inorganic nanoparticles are suspended and dispersed in the organic solvent. The electrolyte has short sustainable combustion time and high oxidation voltage. The battery has a long thermal runaway time and excellent cycling stability.
Absstract of: WO2025086506A1
The present application provides a polymer, a base coating slurry, a composite current collector, a secondary battery, and an electric device. The polymer comprises a core part and a shell part at least partially covering the core part, the core part comprises a structural unit derived from a monomer shown in formula I and a structural unit derived from a monomer shown in formula II, and the shell part comprises a structural unit derived from a monomer shown in formula III, wherein R1 and R3 each independently comprise one or more of hydrogen, and substituted or unsubstituted C1-5 alkyl groups, R2 comprises a substituted or unsubstituted C1-9 alkyl group, Ar is a substituted or unsubstituted aryl group, n is any integer of 1-3, and the glass transition temperature of the polymer is less than 60°C.
Absstract of: WO2025086283A1
Provided are a secondary battery and an electronic device. The secondary battery comprises a positive electrode sheet, a negative electrode sheet, and an electrolyte, wherein the electrolyte comprises propionate and a first additive, and the first additive comprises at least one of a compound of formula (Ia), a compound of formula (Ib), or a compound of formula (Ic). By regulating the electrolyte, the impedance of the secondary battery can be reduced while the low-temperature performance of the secondary battery is improved.
Absstract of: WO2025089749A1
According to exemplary embodiments, a battery cell manufacturing device is provided. The battery cell manufacturing device may comprise: an image matching device, which includes a first image acquisition unit for acquiring first images of a first electrode assembly that has a tab stack of a first electrode and has, on one end portion thereof, a first electrode lead welded to the tab stack, a second image acquisition unit for acquiring a second image of a second electrode assembly that is determined to be usable through re-inspection of the first electrode assembly that is determined to be defective through inspection based on the first images, and an image matching unit, which compares the second image and the plurality of first images so as to extract a first image matched with the second image; and an ID allocation device for allocating, as an ID of the second electrode assembly, an ID of the first electrode assembly of the first image matched to the second image. In addition, a battery cell system comprising the battery cell manufacturing device is provided. The present invention also provides a battery cell manufacturing method using image matching.
Absstract of: WO2025090025A1
A silicon polymer nanocomposite anode including: an anode active material, at least one conductive additive, a binder, and at least one binder additive; a method of preparing the silicon polymer nanocomposite anode; an anode ink useful for preparing the silicon polymer nanocomposite anode; and batteries including the silicon polymer nanocomposite anode.
Absstract of: WO2025089770A1
The present invention relates to a method for recovering lithium and, more specifically, to a method for recovering lithium, the method comprising the steps of: (i) heat-treating waste positive electrodes having a positive electrode active material layer applied on a current collector, the positive electrode active material layer containing a positive electrode material having an olivine structure, a binder, and carbon, or a positive electrode active material layer powder obtained by crushing the waste positive electrodes, at 220-280°C to recover the positive electrode material having an olivine structure as a powder; (ii) dissolving the recovered positive electrode material powder having an olivine structure in an aqueous acetic acid solution to prepare a positive electrode material solution; (iii) adding an aqueous hydrogen peroxide (H2O2) solution to the positive electrode material solution to obtain a lithium-dissolved leachate and leach residue; (iv) separating the leachate and the leach residue; and (v) concentrating the leachate, wherein the aqueous acetic acid solution in step (ii) contains 0.8-1.2 moles of acetic acid per 1 mole of positive electrode active material in the positive electrode material powder, and the aqueous hydrogen peroxide solution in step (iii) contains 0.4-0.6 moles of hydrogen peroxide per 1 mole of positive electrode active material in the positive electrode material powder. According to the present invention, a positive electrode material pow
Absstract of: WO2025087125A1
A battery cell (20), a battery (10), and an electric device, capable of increasing the pass rate of the assembly of the battery (10). The battery cell (20) comprises: a casing (212) having an opening; an end cover (211) sealing the opening; and an insulating member (23) provided in the casing (212), one of the insulating member (23) and the end cover (211) being provided with a first recess (231), the other of the insulating member (23) and the end cover (211) being provided with a first protrusion (213), and the first recess (231) matching the first protrusion (213).
Absstract of: WO2025089523A1
An all-solid-state battery includes: a laminate including a first surface and a second surface facing each other in a first direction, a positive electrode layer, a negative electrode layer, and a solid electrolyte layer disposed between the positive electrode layer and the negative electrode layer and including a solid electrolyte; a first thin-film electrode that is directly connected to the positive electrode layer and the solid electrolyte layer on the first surface of the laminate; a second thin-film electrode that is directly connected to the negative electrode layer and the solid electrolyte layer on the second surface of the laminate; a first external electrode that is connected to the first thin-film electrode and covers at least a portion of the laminate; and a second external electrode that is connected to the second thin-film electrode and covers at least a portion of the laminate.
Nº publicación: WO2025089518A1 01/05/2025
Applicant:
SAMSUNG SDI CO LTD [KR]
\uC0BC\uC131\uC5D0\uC2A4\uB514\uC544\uC774 \uC8FC\uC2DD\uD68C\uC0AC
Absstract of: WO2025089518A1
The present invention relates to an additive for a lithium rechargeable battery and a lithium rechargeable battery including same. The additive is represented by chemical formula 1. (The definition of each substituent is in accordance with the specification.)
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