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1247
resultados
Última actualización
07/01/2026 [07:30:00]
Resumen de: FR3164071A1
La présente invention a pour objet une batterie (10) comprenant une branche (B) et une pluralité d’unités de capacité (12a-12b) interposées en séries dans la branche, chaque unité de capacité comportant une voie principale (16p) et une voie auxiliaire (16s) montées en parallèle, au moins une cellule (14) interposée dans la voie principale, un premier interrupteur (24p) interposé dans la voie principale et un deuxième interrupteur (24s) interposé dans la voie auxiliaire ; la batterie comportant pour chaque unité de capacité (12a-12b) une carte électronique (26a-26b) pour piloter sélectivement l’ouverture et la fermeture de chacun des interrupteurs (24p, 24s), dont au moins une est alimentée suivant une logique de redondance par prélèvement de courant (ia, ib) sur ladite au moins une cellule (14) d’au moins deux unités de capacité (12a,12b), l’un des courants (ia) étant converti par un convertisseur DC/DC (44) pour le rendre compatible avec l’autre (ib). Figure pour l'abrégé : Fig.8
Resumen de: FR3164069A1
La présente invention a pour objet une batterie (10) comprenant une branche (B) et une pluralité d’unités de capacité (12a-12d) interposées en série dans la branche, chaque unité de capacité comportant une voie principale (16p) et une voie auxiliaire (16s) montées en parallèle, au moins une cellule (14) interposée dans la voie principale, un premier interrupteur (24p) interposé dans la voie principale et un deuxième interrupteur (24s) interposé dans la voie auxiliaire ;la batterie comportant pour chaque unité de capacité (12a-12d) une carte électronique (26a-26d) pour piloter sélectivement l’ouverture et la fermeture de chacun des interrupteurs (24p, 24s), et au moins un circuit de contournement (70) associé à une unité de capacité (12a-12d) ou associé à une série de plusieurs unités de capacité juxtaposées le long de la branche, ce circuit de contournement comportant une voie électrique (72) le long de laquelle est interposée un interrupteur (74). Figure pour l'abrégé : Fig.11
Resumen de: WO2026005097A1
An embodiment of the present invention provides a silicon composite negative electrode material. In a negative electrode material for a lithium secondary battery according to an embodiment of the present invention, a multi-component silicide matrix surrounding silicon nanoparticles has a cushioning effect when silicon expands in volume. In addition, copper (Cu) is added to the multi-component silicide matrix, and thus long-life characteristics may be improved due to stress relaxation in the matrix phase and improved electrical conductivity. Moreover, an optimal ratio between copper (Cu) and boron (B) is set to achieve stress relaxation through improvement of strength and ductility properties, thereby solving the problem of particle destruction in a silicon negative electrode material during a charge-discharge cycle.
Resumen de: FR3164034A1
L’invention a pour objet un ensemble (500) comportant une pluralité d'installations (501), chaque installation comportant un pilier (2), les piliers étant notamment disposés suivant au moins une rangée, l’un au moins des piliers loge un ou plusieurs modules de centre de calcul et/ou de données (300) et un autre au moins des piliers loge un ou plusieurs modules de batterie (43), le ou les modules de centre de calcul et/ou de données (300) étant reliés au(x) module(s) de batterie pour être alimentés électriquement, et chaque pilier étant notamment pourvu d’un circuit de fluide caloporteur (310) configuré pour refroidir le ou les modules de centre de calcul et/ou de données (300), ce fluide caloporteur étant notamment de l’eau récupérée telle que de l’eau de pluie. Figure pour l’abrégé : Fig. 22
Resumen de: WO2026002793A1
Pressing device for a battery cell stack (10) comprising a plurality of prismatic or pouch-type battery cells (11), the pressing device (1) comprising a first pressure plate (2) and a second pressure plate (3), and a first side structure (4) and a second side structure (5) configured to be fixed to the first and the second pressure plate (2, 3). The first side structure (4) and the second side structure (5) expand and are compressed in the stacking direction with an increase and a decrease in the thickness of the battery cells (11) respectively, and comprise a plurality of deformable elements (7) which for each width of the first side structure (4) and the second side structure (5) behave as deformable elements of positive stiffness, negative stiffness, or zero stiffness.
Resumen de: FR3163970A1
Procédé de détection d'une anomalie de fonctionnement d'une pompe à eau et de reconfiguration d'un groupe électromoteur, dans un véhicule automobile électrique ou hybride comprenant un circuit caloporteur (CC1) de la batterie de traction (1), le circuit caloporteur comprenant une pompe de circulation pour faire circuler du fluide caloporteur dans un échangeur (11) au niveau de batterie de traction, le procédé comprenant :1- une étape d’identification d’une défaillance de la pompe à eau (3) du circuit caloporteur (CC1) de la batterie de traction,2- couper un sous-ensemble de consommateurs électriques non essentiels à la mobilité,3- mettre la batterie de traction en mode de limitation de performance,4- inhiber la recharge électrique de la batterie de traction à une borne de recharge, 5- fournir une indication à au moins un utilisateur du véhicule à propos d’un dysfonctionnement du véhicule. Figure 1
Resumen de: WO2026005770A1
The disclosure relates to a battery module (3) comprising a plurality of battery cells (4), and a casing (3a) housing said battery cells. Notably, the battery module (3) further comprises one or more igniters (5) provided within the casing (3a). The igniter (5) is configured to produce a spark when activated, so as to ignite a combustible gaseous mixture within the casing (3a), said gaseous mixture resulting from gas venting from one or more of the battery cells (4). The disclosure further concerns a battery energy storage system and a method of preventing build-up of a combustible gaseous mixture resulting from gas venting from one or more battery cells (4) in a battery energy storage system (1).
Resumen de: WO2026005769A1
The disclosure relates to a battery energy storage system (1), comprising one or more battery modules (3), each module holding a plurality of battery cells (4). The system further comprises an enclosure (2) housing said battery modules (3), and one or more igniters (5) configured to produce a spark when activated. Notably, the igniter (5) is provided within the enclosure (2) and is further configured suitable to ignite a combustible gaseous mixture within the enclosure (2) resulting from gas venting of one or more of the battery modules (3). The disclosure further concerns a method of preventing build-up of a combustible gaseous mixture resulting from gas venting from one or more battery modules (3) in a battery energy storage system (1).
Resumen de: WO2026000341A1
The invention relates to a method for deactivation of lithium (102), using an inert gas and water, comprising: providing a deactivation vessel (101), which contains the lithium (102), introducing the inert gas and the water into the deactivation vessel (101), and conducting a chemical reaction between the lithium and the water to form lithium hydroxide and hydrogen.
Resumen de: WO2026003540A1
The present disclosure provides an electrolyte a secondary battery and an electronic device. The electrolyte includes a sodium salt, a fluorinated sulfone compound, and an ether compound.
Resumen de: WO2026000707A1
An energy storage battery pack cluster rack and an energy storage battery pack mounting method. The energy storage battery pack cluster rack comprises a rack body assembly (1) and a displacement driving mechanism (2). The rack body assembly (1) is provided with a placement position and a limiting device; the placement position is used for placing an energy storage battery pack (3); the limiting device comprises a limiting block (101) and an elastic member (102); and the energy storage battery pack (3) is provided with a limiting slot (301) capable of matching the limiting block (101). The displacement driving mechanism (2) comprises a displacement driving support (202), a displacement driving device (201), a displacement driving connecting rod assembly and a driving component.
Resumen de: WO2026000463A1
A magnetic-attraction charging structure for a battery of an electric motorcycle. Magnetic attraction members are respectively arranged around charging input contacts on a battery and around charging output contacts on a charging connector. During charging, when a charging output surface of the charging connector approaches a charging input surface, the charging connector can automatically approach the charging input surface under the action of a magnetic force between a first magnetic attraction member and a second magnetic attraction member, and is finally attached to the battery, so that the charging output contacts are connected to the charging input contacts. Compared with existing plug-in charging structures, the charging connector and a charging port can be docked without the need for force, which is labor-saving. Moreover, the docking between the charging connector and the charging port mainly relies on the action of a magnetic force, rather than plug-in fitted surfaces, thereby avoiding the situations of loose fit and poor charging contact caused by wear. Therefore, the problems of existing charging structures for electric motorcycles being laborious to plug in and inconvenient to use can be effectively solved, thereby achieving the effects of reducing the difficulty of charging operations and improving the user experience.
Resumen de: WO2026000637A1
Disclosed in the present application are a battery case and a battery pack. The battery case comprises: a case main body; a bottom guard plate, which is arranged in the shape of a flat plate, wherein the bottom guard plate and the case main body are arranged spaced apart from each other and form a suspended portion; and a connecting assembly, which is arranged on the suspended portion, wherein both the case main body and the bottom guard plate are connected to the connecting assembly, so that the bottom guard plate is locked to the case main body.
Resumen de: WO2026000672A1
Provided in the present application are a liquid-cooled plate, a battery module, and a battery pack. At least one notch is disposed on a side of a first liquid-cooled plate body facing a second liquid-cooled plate body. The second liquid-cooled plate body comprises a main body portion and at least one protruding portion. Each protruding portion protrudes from the main body portion, and each protruding portion is mounted in a notch, so that the first liquid-cooled plate body is mounted on the second liquid-cooled plate body. Thus, the positioning of the first liquid-cooled plate body and the second liquid-cooled plate body can be achieved, and the mounting of the first liquid-cooled plate body and the second liquid-cooled plate body can be efficiently completed.
Resumen de: WO2026000668A1
The present application is applicable to the technical field of batteries (100). Provided are a battery (100), an electric device and an airtightness testing method. The electric device comprises the battery (100). The battery (100) comprises battery cells (10), a case (20), a protective plate (30) and a sealing structure (50), wherein a first space (201) is provided in the case (20); the battery cells (10) are accommodated in the first space (201); a first case wall (211) of the case (20) is provided with a through hole (202); the protective plate (30) is connected to the exterior of the case (20) and encloses a second space (60) together with the first case wall (211); the second space (60) can be in communication with the first space (201) by means of the through hole (202); and the sealing structure (50) seals the through hole (202), such that the first space (201) and the second space (60) are isolated from each other. In this way, a test fixture only needs to fit the case (20) to realize airtightness testing, without the need for two different test fixtures, thereby reducing the cost of airtightness testing.
Resumen de: WO2026000378A1
A positive electrode lithium supplement material, and a preparation method therefor and a use thereof. The positive electrode lithium supplement material is a non-stoichiometric compound, and the chemical composition of the positive electrode lithium supplement material is Li2-xMn1-yMyO3, wherein M is a doping element, 0
Resumen de: WO2026000629A1
A battery cell (20), a battery (100) and an electric device. The battery cell (20) comprises a casing (21), an electrode terminal (22), an electrode assembly (23) and a first insulating member (24). The casing (21) has a wall portion (211) and a side wall (2123), with the side wall (2123) surrounding the wall portion (211). The electrode terminal (22) is disposed on the wall portion (211). The electrode assembly (23) is accommodated in the casing (21), a first tab (232) is formed at the end of the electrode assembly (23) close to the wall portion (211), and the first tab (232) is electrically connected to the electrode terminal (22). The first insulating member (24) comprises a first insulating portion (241) and a second insulating portion (242) that are connected to each other, wherein the first insulating portion (241) is located between the wall portion (211) and the first tab (232), the second insulating portion (242) surrounds the first insulating portion (241), the second insulating portion (242) and the first insulating portion (241) jointly define an accommodating space (243), and at least part of the first tab (232) is inserted into the accommodating space (243) in the direction (X) of the thickness of the wall portion (211). A groove (2123a) is provided on the inner peripheral surface of the side wall (2123), and the end of the second insulating portion (242) away from the first insulating portion (241) is inserted into the groove (2123a), so as to alleviate the phe
Resumen de: WO2026000432A1
A battery cell, a battery device and an electric device. The battery cell comprises an electrode assembly, and the electrode assembly comprises a positive electrode sheet, a separator and a negative electrode sheet which are stacked in the thickness direction of the battery cell; the positive electrode sheet comprises a positive electrode tab, a positive electrode current collecting portion, and a positive electrode film layer provided on at least one surface of the positive electrode current collecting portion in the thickness direction and comprising a positive electrode active material, the positive electrode tab is provided on at least one side of the positive electrode current collecting portion, and the positive electrode active material comprises a lithium-containing phosphate having an olivine structure; and the negative electrode sheet comprises a negative electrode tab, a negative electrode current collecting portion, and a negative electrode film layer provided on at least one surface of the negative electrode current collecting portion in the thickness direction and comprising a negative electrode active material, and the negative electrode tab is provided on at least one side of the negative electrode current collecting portion, wherein the ratio of the length to the width of the positive electrode film layer is from 2.66 to 7.5, and the single-side coating weight of the negative electrode film layer is from 90 mg/1540.25 mm2 to 170 mg/1540.25 mm2. The rapid char
Resumen de: WO2026000633A1
The present invention provides a composite positive electrode material and a preparation method therefor, a positive electrode sheet, and a secondary battery. The composite positive electrode material comprises a first positive electrode active material and a second positive electrode active material. The first positive electrode active material consists of monocrystalline particles in a P63mc crystal form, and the second positive electrode active material consists of polycrystalline particles in a Fd3m crystal form. The first positive electrode active material has an average particle size of D1, and the second positive electrode active material has an average particle size of D2, wherein 0.16≤D2/D1≤0.414. A unique spatial structure enables the first positive electrode active material to avoid cycle fade caused by irreversible capacity loss; and the second positive electrode active material has a three-dimensional lithium ion diffusion channel, enabling rapid deintercalation of lithium ions under high voltages, thereby improving the low-temperature discharge performance of the composite positive electrode material. The combination of the first positive electrode active material and the second positive electrode active material enables the composite positive electrode material to take into account both the cycle performance and the low-temperature performance under high voltages.
Resumen de: WO2026000435A1
A battery (2) and an electrical apparatus. The battery (2) comprises a box body (20) and battery cells (10). The box body (20) comprises a first box wall (21). The battery cells (10) are accommodated in the box body (20) and located on a lower side of the first box wall (21). The battery cells (10) each comprise a housing (12), an electrode assembly (11), and a pressure relief mechanism (15). The housing (12) is fixed to the first box wall (21). The electrode assembly (11) is accommodated in the housing (12). The housing (12) comprises a first end wall (12a). The first end wall (12a) is located on the side of the electrode assembly (11) away from the first box wall (21). The pressure relief mechanism (15) is provided on the first end wall (12a). At room temperature, the charging time for charging the battery cells (10) from 10% SOC to 80% SOC is 5 minutes to 10.5 minutes.
Resumen de: WO2026000623A1
A battery cell (1), a battery (100), an electrical apparatus, and an energy storage apparatus. The battery cell (1) comprises: a casing (10), having an accommodating space (A); electrode terminals (22) disposed in the casing (10); and at least one electrode assembly (30) disposed in the accommodating space (A), the electrode assembly (30) comprising a main body portion (31) and tabs (32) disposed on the main body portion (31), each tab (32) comprising multiple tab pieces (32a), and each tab (32) being directly connected to an electrode terminal (22). The described structure can improve the reliability and decrease the weight of a battery cell, and even a battery.
Resumen de: WO2026000429A1
Embodiments of the present application provide a battery and an electric device. The battery comprises a case, battery cells, and heat exchange members. The battery cells are accommodated in the case. Each battery cell comprises a casing and an electrode assembly accommodated in the casing, and the casing comprises two first side walls which are provided opposite to each other in the thickness direction of the battery cell. The heat exchange members are arranged on at least one side of the battery cells in the thickness direction and are used for exchanging heat with the first side walls. Each electrode assembly comprises a positive electrode sheet, a negative electrode sheet, and a separator located between the positive electrode sheet and the negative electrode sheet. The positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer provided on at least one side of the positive electrode current collector; the positive electrode film layer comprises a positive electrode active material; and the positive electrode active material comprises lithium-containing phosphate having an olivine structure. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer provided on at least one side of the negative electrode current collector; the negative electrode film layer comprises a negative electrode active material; and the negative electrode active material comprises a carbon-base
Resumen de: WO2026000405A1
A battery (2) and an electric device. The battery (2) comprises multiple battery cells (10) and a case (20). The multiple battery cells (10) are arranged along the thickness direction of the battery cells (10), and each battery cell (10) comprises a casing (12) and an electrode assembly (11) accommodated in the casing (12). The case (20) is used for accommodating the multiple battery cells (10). The case (20) comprises at least two limiting beams (21), and two adjacent limiting beams (21) are respectively arranged on two sides of the multiple battery cells (10) along the thickness direction. The swelling pressure of the battery cells (10) in the thickness direction ranges from 0.5 MPa to 2.4 MPa. Each limiting beam (21) comprises a first side surface (21a) facing the multiple battery cells (10), and the first side surface (21a) is configured so that under a pressure of 1.7 MPa, the maximum displacement of the first side surface (21a) in the thickness direction is less than or equal to 8 mm.
Resumen de: WO2026000388A1
The present application relates to a battery cell and a charging method therefor, a battery device, and an electrical device. The battery cell comprises an electrolyte solution and an electrode assembly. The electrode assembly comprises a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet comprises a positive electrode current collector and a positive electrode film layer containing a positive electrode active material, wherein the positive electrode active material comprises a lithium-containing phosphate salt having an olivine structure. The negative electrode sheet comprises a negative electrode current collector and a negative electrode film layer. The charging process of the battery cell from a 0% state of charge to a 100% state of charge comprises N charging steps, wherein the difference between the maximum state of charge in any one charging step among the N charging steps and the maximum state of charge in an adjacent charging step thereof is less than or equal to a 5% state of charge, and N is a positive integer greater than or equal to 2. In the N charging steps, a cut-off voltage in any one charging step among N-1 charging steps is less than a cut-off voltage in an N-th charging step, and the cut-off voltage of the N-th charging step does not exceed 4.4 V. The present application can improve the use reliability of the battery cell.
Nº publicación: WO2026000395A1 02/01/2026
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2026000395A1
A battery cell, a battery apparatus, and an electrical apparatus. The battery cell comprises an electrode assembly, an electrolyte, and a casing. The electrode assembly comprises a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet comprises a positive electrode current collector, and a positive electrode film layer disposed on at least one side of the positive electrode current collector, the positive electrode film layer comprising a positive electrode active material capable of providing lithium, the positive electrode active material comprising a lithium-containing phosphate having an olivine structure, and the resistance of the positive electrode sheet being 0.1 Ω to 30 Ω. The negative electrode sheet comprises a negative electrode current collector, and a negative electrode film layer disposed on at least one side of the negative electrode current collector, the negative electrode film layer comprising a negative electrode active material capable of receiving lithium, and the resistance of the negative electrode sheet being 0.001 Ω to 0.01 Ω. The separator is located between the positive electrode sheet and the negative electrode sheet. The electrolyte comprises an organic solvent. The organic solvent comprises a chain ester solvent, and the electrical conductivity of the electrolyte at room temperature is 13 mS/cm to 20 mS/cm. According to the present invention, the amount of heat generated by the battery cell can be
BOPI
Sede Electrónica
