Resumen de: FR3168076A1
L’invention concerne une batterie de véhicule électrique ou hybride et un procédé d’assemblage de la batterie. La batterie comprend une pluralité de cellules de batterie (10), une entretoise (20, 20’), un châssis (50) et une plaque (40, 40’). La pluralité de cellules de batterie (10) s’étend selon un premier axe (X1) et un deuxième axe et est disposée selon un troisième axe perpendiculaire au premier axe (X1) et au deuxième axe. L’entretoise (20, 20’) comprend une pluralité de canaux (30, 30’) s’étendant selon le troisième axe. Le châssis (50) est configuré pour recevoir la pluralité de cellules de batterie (10). La plaque (40, 40’) s’étend dans un plan comprenant le deuxième axe et le troisième axe, l’entretoise (20, 20’) étant en contact avec la pluralité de cellules de batterie (10), la pluralité de canaux (30, 30’) étant configurée pour faire circuler un fluide caloporteur. Figure 1
Resumen de: FR3168074A1
Module de batterie pour véhicule, le module comportant : - une pluralité de cellules (10) de batterie agencées dans une direction dite « d’agencement » ;- un circuit imprimé disposé au sommet des cellules de batterie, le circuit imprimé comprenant une partie primaire (20) s’étendant sensiblement dans un plan (P) parallèle à la direction d’agencement et une partie secondaire (22) formant support d’un capteur de température (30) pour mesurer la température d’une des cellules de batterie ; module dans lequel la partie secondaire (22) forme un palier (24) qui porte le capteur de température (30) et qui est décalé par rapport au plan (P) vers ladite cellule (10) de batterie de manière à être en contact thermique avec une surface extérieure de ladite cellule de batterie, la partie secondaire (22) étant reliée à la partie primaire (20) du circuit imprimé par deux parties de jonction (26, 28) disposées de part et d’autre du palier (24). Figure 5
Resumen de: FR3167953A1
Composition à base de composés (méth)acrylate La présente invention concerne une composition bicomposante réticulable comprenant : - un composant A comprenant : un oxydant ;au moins un monomère (méth)acrylate; - un composant B comprenant : un réducteur ; ladite composition comprenant au moins une charge thermoconductrice dans le composant A et/ou B ; ladite composition ayant, après réticulation, une densité à 23°C allant de 1,6 à 2,2 ; ladite composition ayant, après réticulation, un ratio densité à 23°C / conductivité thermique allant de 0,80 à 1,30 ; ladite composition étant dépourvue de composés comprenant un groupe peroxyde. Figure : Néant
Resumen de: FR3168083A1
Système de régulation thermique pour un ensemble d’au moins deux dispositifs électrochimiques (100a-100c), le système comprenant une source (201) d’un fluide caloporteur, un échangeur thermique (208), une unité de chauffage (202), une pompe (206a-206c) et deux vannes (209a-209c). Le fluide caloporteur est fourni par la source (201) à une température inférieure à une température basse, ladite pompe (206a-206c) permet au fluide caloporteur d’atteindre chacun des moyens d’échange thermique associés aux deux dispositifs électrochimiques (100a-100c), et chacune desdites vannes (209a-209c) permet une interruption d’une circulation de fluide caloporteur vers l’un des dispositifs électrochimiques. Le système comprend une seconde source (203) du fluide caloporteur, le fluide de la seconde source (203) étant chauffé par un des deux dispositifs (100a-100c) jusqu’à une température haute, et un des dispositifs (100a-100c) est chauffé par le fluide de la seconde source (203). Figure de l’abrégé : 2
Resumen de: FR3168081A1
Assemblage d’éléments électrochimiques, module de batterie, ensemble et procédé associé L’assemblage (14) comprend un premier bloc (16E) et un deuxième bloc (16F) d’éléments électrochimiques (18), et un ensemble de maintien (32) des éléments électrochimiques (18) comprenant deux structures terminales et deux structures latérales L’ensemble de maintien (32) du premier bloc (16E) comprend une première cale (74A) faisant saillie depuis l’une des deux structures terminales et/ou latérales suivant une direction de liaison des blocs. L’ensemble de maintien (32) du deuxième bloc (16F) comprend une deuxième cale (74B) faisant saillie depuis l’une des structures terminales et/ou suivant la direction de liaison. La première et la deuxième cale sont engageables l’une avec l’autre par coopération mécanique, entre une configuration désengagée et une configuration engagée dans laquelle le mouvement du premier bloc (16E) à l’écart du deuxième bloc (16F) le long de la direction de liaison est empêché. Figure pour l'abrégé : figure 5
Resumen de: FR3168010A1
La présente invention concerne un procédé et un dispositif de détermination du type de pile ou d’accumulateur utilisé dans un dispositif. Selon l’invention : - on mesure (E400, E404) la tension délivrée par la pile ou de l’accumulateur lorsque la pile ou l’accumulateur délivre un courant inférieur à une première valeur prédéterminée, et un courant supérieur à la première valeur prédéterminée, - on calcule (E405) une résistance équivalente série de la pile ou de l’accumulateur à partir des deux mesures et du courant au moins supérieur à la seconde valeur prédéterminée, - on détermine (E407, E408) que le type de pile ou d’accumulateur est du premier type en fonction des tensions et de la résistance équivalente série. Figure à publier avec l’abrégé : Fig. 4
Resumen de: FR3168075A1
L’invention concerne un procédé de réchauffage d’une batterie (10) pour un système de véhicule électrique (1), le système de véhicule électrique (1) comprenant la batterie (10), un onduleur (11) connecté à la batterie (10) et une machine électrique (12) connecté à l’onduleur (11), l’onduleur (11) étant apte à permettre un échange d’énergie électrique entre la batterie (10) et la machine électrique (12) de sorte à réchauffer la batterie (10). L’invention concerne en outre le système de véhicule électrique comprenant la batterie (10), l’onduleur (11) et la machine électrique (12). L’invention concerne également le véhicule électrique comprenant le système de véhicule électrique. Figure 1
Resumen de: US20260121021A1
The present disclosure provides a secondary battery and a preparation method thereof, a positive electrode plate, a negative electrode plate and an electrically-powered device. A positive electrode active material includes a lithium iron phosphate (LFP) positive electrode material, Li2NiO2 and Li5FeO4. By adjusting a mixing ratio and limiting the mixing ratio, a specific capacity of active materials and an electrolyte filling coefficient to satisfy a specific relationship, the specific capacity and cycle performance of LFP batteries can be significantly improved, thereby making the lithium-ion batteries simultaneously exhibit superior energy density, cycle performance and safety.
Resumen de: US20260121118A1
The present disclosure provides an electrolyte additive, an electrolyte, and a battery. The electrolyte additive includes: a first additive and a second additive. The structure of the first additive is as represented by formula 1, and the second additive includes a trinitrile substance.
Resumen de: US20260121014A1
0000 A production apparatus for a rolled particle layer comprises: a feeding unit for particles; a conveying unit for the fed particles; a support unit for the conveyed particles; a squeegee unit for leveling the particles to form a particle layer; a pair of stock guide units defining the particle layer's width; and a rolling unit rolling the particle layer to form a rolled particle layer. The squeegee unit has a thickness defining portion closest to the support unit. Each stock guide unit includes: a parallel portion including a face parallel to an end face of the squeegee unit and having upstream and downstream end portions respectively located upstream and downstream of the thickness defining portion; and a projecting portion disposed protruding toward the squeegee unit's width center. The stock guide units are disposed so that a distance W between the parallel portions corresponds to the rolled particle layer's width.
Resumen de: US20260121186A1
A bus bar for a battery module is disclosed. The bus bar has a base and a sidewall. The sidewall includes a folded configuration forming a dual wall. The dual wall includes a center projection. One or more stress-relief features are provided on the sidewall. A plurality of terminal receivers are provided on the base and configured to couple to a plurality of battery terminals. A battery module including a bus bar is also disclosed.
Resumen de: US20260121077A1
0000 A facile method is based on a pack-cementation process using large-area copper foil instead of copper powder. By controlling a pack-cementation time and an amount of alloying element (e.g., aluminum), a hierarchical microporous or nanoporous copper can be created. When coated with tin active material, the hierarchical microporous or nanoporous copper can be used as an advanced lithium-ion battery anode. A coin-cell test exhibited a four-fold higher areal capacity (e.g., 7.4 milliamp-hours per square centimeter without any performance degradation up to 20 cycles) as compared to a traditional graphite anode.
Resumen de: US20260116762A1
A holey thermally expanded-reduced graphene oxide having high specific surface area and pore volume including pores on the surface, a method for preparing the same, and a sulfur-carbon composite and a lithium secondary battery including the same.
Resumen de: US20260121073A1
Systems, apparatuses, and/or the like are provided. In some embodiments, an electrochemical cell may include a container, a ring-shaped cathode disposed within the container, wherein the ring-shaped cathode defines an open interior, an anode disposed within the open interior of the ring-shaped cathode, a separator disposed between the cathode and the anode, an electrolyte solution, and a current collector electrically connected with a portion of the container, wherein the current collector is positioned at least partially within the anode. For example, current collectors may include a base including a first material that is fixedly attached to the portion of the container and a zinc component composed of a second material and fixedly attached to the base.
Resumen de: US20260118828A1
A device capable of being used for a long time is achieved. A power supply, a connection method of a power supply, or a connecting member, for easy attachment and detachment and non-detachment when in use, is provided. A power supply, a connection method of a power supply, or a connecting member for easy replacement is provided. A highly designed power supply is provided. Power from a battery is supplied to an electronic device through a connecting member including a pipe, a spring, and a pair of pivots. The pair of pivots are electrically insulated from each other, and electrically connected to any one of a pair of electrodes of the battery. The electronic device into which the pair of pivots are inserted includes a pair of bearings capable of receiving power.
Resumen de: US20260121255A1
The present application relates to a secondary battery including a first adapter piece and an electrode assembly, the electrode assembly including a first electrode plate, a second electrode plate, a plurality of electrode tabs and a second electrode tab, all of the first electrode tabs are stacked to form a first multi-tab structure and connected to the first adapter piece, and the electrode assembly comprises a first adapter member; the first adapter member comprises the first multi-tab structure and the first adapter piece; in a direction parallel to the first electrode plate, there is at most one layer of the first adapter member. The present application may effectively reduce the existing waste of the top space caused by bending the electrode tabs, and is more stable for the bending effect, thereby improving the energy density of the battery.
Resumen de: US20260114517A1
An electronic cigarette or vaporizer may include a shell and a cartomizer receivable within a chamber within a portion of the shell. A basin may be included in the cartomizer to hold a vaporizable fluid, dry substance, or other vaporizable substance such as a wax. A heating element may be provided within the basin which may have a flexible non-conductive material and a flexible conductive material.
Resumen de: US20260121082A1
Systems and methods drawn to an electrochemical cell comprising a low temperature ionic liquid comprising positive ions and negative ions and a performance enhancing additive added to the low temperature ionic liquid. The additive dissolves in the ionic liquid to form cations, which are coordinated with one or more negative ions forming ion complexes. The electrochemical cell also includes an air electrode configured to absorb and reduce oxygen. The ion complexes improve oxygen reduction thermodynamics and/or kinetics relative to the ionic liquid without the additive.
Resumen de: US20260121050A1
A positive electrode active material and a preparation method thereof. The positive electrode active material includes a secondary particle composed of primary particles; and the primary particle includes Li1+aFe1-x-yMnxAy(PO4), where −0.1≤a≤0.4, 0.5≤x≤0.7, 0≤y≤0.01, A includes at least one of Al, Mg, Ni, Co, Ti, Ga, Cu, V, Nb, Zr, Ce, In, Zn, or Y, and the positive electrode active material has a crystallinity of not less than 98%. The positive electrode active material has high crystallinity, and the ionic conductivity and electronic conductivity thereof are high. Applying the positive electrode active material to a lithium-ion battery can significantly improve the rate performance of the battery.
Resumen de: US20260121156A1
An eco-friendly power source, such as a battery module for a transportation vehicle includes a first sub-module and a second sub-module each including a plurality of battery cells; a lower cover supporting the first sub-module and the second sub-module; a connection member coupled to the first sub-module and the second sub-module, respectively; and a cooling plate coupled to the lower cover and forming a flow path through which a refrigerant can flow, wherein at least a portion of the flow path is disposed to oppose the connection member with the lower cover interposed therebetween.
Resumen de: US20260116221A1
A battery high-voltage box, a battery pack, and a vehicle. The battery high-voltage box includes a battery positive interface, a battery negative interface, a power transmission main circuit, a controlled switch module, and a precharge circuit. The power transmission main circuit is connected to the battery positive interface and the battery negative interface respectively, the controlled switch module is disposed on the power transmission main circuit, and the precharge circuit is connected in parallel with the controlled switch module; the precharge circuit, when in a conductive state, is configured to precharge an external load, such that the external load can be precharged through the precharge circuit in the battery high-voltage box.
Resumen de: US20260116259A1
A thermal management assembly includes a first valve body and a second valve body. The first valve body includes a first port, a second port, and a third port. The second valve body includes a first port, a second port, a third port, and a fourth port. The first port of the first valve body and the third port of the first valve body are separately connected to a heat exchange path of a battery. The second port of the first valve body is connected to the first port of the second valve body.
Resumen de: WO2026086550A1
The present application relates to the technical field of batteries, and discloses a battery housing and a battery. The battery housing comprises: a housing (1) having an opening; and a cover plate (2), wherein the cover plate (2) seals the opening to form an accommodating cavity. The cover plate (2) comprises a cover plate body (201) and a limiting protrusion (202) located on a side wall of the cover plate body (201), wherein in the thickness direction of the cover plate body (201), the limiting protrusion (202) is located at the end of the side wall of the cover plate body (201) away from the housing (1); the limiting protrusion (202) is in lap joint with the opening of the housing (1); the part of the cover plate body (201) located inside the opening is fixed to the housing by means of welding; and in the thickness direction of the cover plate body (201), the ratio of the height h2 of the limiting protrusion (202) to the total height h1 of the cover plate (2) is 1:8 to 1:3. The cover plate (2) is limited by means of the limiting protrusion (202), so as to prevent a welding failure caused by the cover plate (2) falling into the housing (1). The proportion of the limiting protrusion (202) is set within a suitable range, such that the connection between the cover plate and the housing is more stable, and the limiting protrusion provides reliable limiting.
Resumen de: US20260121141A1
A battery module includes a case, a plurality of battery cells accommodated in the case, and a first busbar connecting at least one of the plurality of battery cells to a conductive connector, wherein the first busbar includes a first connection portion connected to the at least one battery cell, a second connection portion connected to the conductive connector, and a first linking portion connecting the first connection portion and the second connection portion to each other, wherein the first linking portion includes a material having a melting point lower than that of the first connection portion or the second connection portion.
Nº publicación: US20260121045A1 30/04/2026
Solicitante:
NINGBO RONBAY NEW ENERGY TECH CO LTD [CN]
Ningbo Ronbay New Energy Technology Co.,Ltd.
Resumen de: US20260121045A1
0000 An oxide precursor, a preparation method thereof, and an application thereof are provided. The oxide precursor has a chemical general formula of Ni