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1357
results.
Updated on
04/05/2026 [07:57:00]
Absstract of: 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
Absstract of: 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
Absstract of: 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
Absstract of: 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
Absstract of: 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
Absstract of: 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
Absstract of: 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
Absstract of: 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.
Absstract of: 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.
Absstract of: US20260121034A1
A positive electrode active material, and a preparation method and a use thereof. The chemical formula of the positive electrode active material is Li1+aNaxPyNi0.5+bMn1.5+cMzOd, where −0.1≤a≤0.2, −0.2≤b≤0.2, −0.2≤c≤0.2, 3.8≤d≤4.3, 0
Absstract of: 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
Absstract of: US20260121061A1
A positive electrode active material that enables an increased discharge capacity retention rate of cycling performance is provided. A secondary battery includes a positive electrode pressed under a linear pressure higher than or equal to 100 kN/m and lower than or equal to 3000 kN/m and a negative electrode. When a test battery that includes the positive electrode and a negative electrode containing lithium undergoes, in an environment at higher than or equal to 25° C. and lower than or equal to 45° C., a cycling test of 50 repetitions of a cycle of charging and discharging in which, after constant current charging is performed at a charge rate of 0.5 C (1 C=200 mA/g) until a voltage of 4.7 V is reached, constant voltage charging is performed until the charge rate reaches 0.05 C at a voltage of 4.7 V, and then constant current discharging is performed at a discharge rate of 0.5 C until a voltage of 2.5 V is reached, and the discharge capacity of the battery is measured in each cycle, a discharge capacity value measured in the 50th cycle is greater than or equal to 35% and less than 100% of the maximum discharge capacity value in all the 50 cycles.
Absstract of: US20260121221A1
“electrode assembly having a porous electrically insulating material, and first and second endplates. The electrode assembly comprises opposing first and second longitudinal end surfaces separated along a stacking direction of an electrode and a counter electrode of the electrode assembly. First and second endplates are separated in the stacking direction and overlie the first and second longitudinal end surfaces.”
Absstract of: US20260121196A1
An energy storage battery cabinet includes: a cabinet body and at least two battery cell layer groups. The cabinet body has a first direction, a second direction, and a third direction which are substantially orthogonal to each other. The at least two battery cell layer groups are disposed in the cabinet body along the third direction. Each of the at least two battery cell layer groups includes at least one battery cell in each of the first direction and the second direction. Two adjacent battery cell layer groups of the at least two battery cell layer groups in the third direction abut against each other.
Absstract of: US20260121062A1
The present invention relates to a solid composite cathode material comprising a ceramic oxide electrolyte material and a lithium electrode material. It was found that the addition of lithium halide to the selected electrolyte and cathode materials strongly enhances the electrochemical performance.
Absstract of: US20260121022A1
An electrochemical device includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive active material layer. The positive active material layer includes a first powder and a second powder. After the electrochemical device is fully discharged, an X-ray diffraction pattern of the positive active material layer exhibits a first diffraction peak in a diffraction angle 2θ range of 17.3° to 19.3°, and exhibits a second diffraction peak in a 2θ range of 19.8° to 21.8°.
Absstract of: US20260121029A1
0000 Anodes having high top layer sphericity may include a first active material layer including a plurality of first active material particles having a first particle sphericity and a first particle size layered onto and directly contacting a current collector, and a second active material layer including a plurality of second active material particles having a second particle sphericity and a second particle size layered onto and directly contacting the first layer. The second particle sphericity is greater than the first particle sphericity. In some examples, the second particle size is greater than the first particle size.
Absstract of: US20260121053A1
0000 The present invention relates to a binder for an anode for a secondary battery, an anode including the binder, and a secondary battery including the anode. More particularly, the present invention relates to a binder for an anode for a secondary battery that has excellent heat resistance and mechanical properties and an improved binding force because a copolymer is used for the binder, and an anode for a secondary battery. In addition, expansion and shrinkage of the anode may be efficiently suppressed, such that charge and discharge life characteristics and performance of the secondary battery may be improved.
Absstract of: US20260121106A1
0000 Method for producing a solid-state secondary battery electrode, using PTFE, capable of reducing resistance of the electrode and achieving strength of a positive electrode mixture sheet, and a binder. Method for producing a solid-state secondary battery sheet, including (1) preparing a composition for producing a secondary battery sheet by using a binder that is a powder which comprises a polytetrafluoroethylene resin and a conductive aid homogeneously mixed and which is free of an active material, and (2) applying a shear force while mixing the composition for producing a secondary battery sheet to obtain an electrode mixture, wherein step (2) is carried out with a content of a solvent in the composition for producing a secondary battery sheet being 10% by mass or less.
Absstract of: US20260121057A1
0000 Provided is a method for producing a secondary battery electrode, using PTFE, capable of reducing electrical resistance thereof and achieving excellent strength at the same time, and a binder. A method for producing a secondary battery electrode using a non-aqueous electrolytic solution, including step (1) of preparing a powder composition for producing an electrode by using a binder that is a powder which is composed of a composition essentially including a polytetrafluoroethylene resin and a conductive aid and which is free of an active material, and step (2) of applying a shear force while mixing the composition for producing an electrode to obtain an electrode mixture, wherein step (2) is carried out with a content of a solvent in the composition for producing an electrode being 10% by mass or less.
Absstract of: US20260121064A1
An electrochemical device includes a positive electrode, a negative electrode, and an electrolyte; where the positive electrode includes a positive electrode active material layer, the positive electrode active material layer includes a positive electrode active material, and the positive electrode active material includes a first positive electrode active material and a second positive electrode active material; after the electrochemical device is fully discharged, a Raman spectrum of the positive electrode active material layer has a first characteristic peak at a wavenumber ranging from 398 cm−1 to 408 cm−1 and a second characteristic peak at a wavenumber ranging from 940 cm−1 to 960 cm−1; and the second positive electrode active material includes element aluminum.
Absstract of: US20260121191A1
0000 Disclosed is a battery module having a reinforcement member to reinforce the mechanical strength of a module case. To achieve the above-described object, the battery module according to the present disclosure includes a plurality of secondary batteries arranged in at least one direction, a module case including a cover portion, a bottom portion and a side portion to form an internal space in which the plurality of secondary batteries is mounted, and a reinforcement member disposed in the module case and fixed to a lower surface of the cover portion and an upper surface of the bottom portion.
Absstract of: US20260121245A1
Disclosed are a tab welding structure and a battery. The tab welding structure includes a tab and a to-be-welded part, where the to-be-welded part is welded on the tab to form a connecting portion, a plurality of first welding mark structures that are concave in a thickness direction of the connecting portion are formed on the connecting portion, each of the plurality of first welding mark structures includes a first welding surface and a first surrounding wall that are connected to each other, and the first surrounding wall is an arc surface.
Absstract of: US20260121132A1
The present invention provides a synthesis method for a mixed zirconium salt electrolyte material and use in a lithium metal battery. The preparation method includes the following steps: first, preparing a turbid solution of a zirconium-containing mixed electrolyte material using an existing commercial lithium battery electrolyte solution as a raw material; second, centrifuging the turbid solution obtained in the first step, taking a lower-layer precipitate, and then washing away excess impurities with a commercial carbonate electrolyte solution solvent; third, drying a white precipitate obtained after washing in the second step, and then grinding and pulverizing to obtain a mixed zirconium salt electrolyte material.
Nº publicación: US20260121046A1 30/04/2026
Applicant:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd.
Absstract of: US20260121046A1
Provided is a positive electrode active material for a secondary battery, which is a lithium composite transition metal oxide containing nickel, cobalt, and manganese and having a nickel content accounting for 60 mol % or more of metals excluding lithium and is in the form of a single particle having an average particle diameter (D50) of 1 to 10 μm, wherein a 100-nm region from the surface toward the center of a particle of the lithium composite transition metal oxide has crystal structures of a Fd3M space group and a Fm3m space group, and a phase ratio (Fd3M/Fm3m), which is a ratio of the maximum straight length of portions occupied by the crystal structure of the Fd3M space group and the crystal structure of the Fm3m space group, is 0.2 to 0.7, as determined in a cross-sectional image file of the particle surface part of the lithium composite transition metal oxide particle, which is obtained using transmission electron microscopy (TEM).
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