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1392
results.
Updated on
28/04/2026 [07:29:00]
Absstract of: FR3167761A1
Procédé et installation de décharge d’une cellule électrochimique de stockage d’énergie Procédé de décharge d’une cellule électrochimique de stockage d’énergie, la cellule comprenant un empilement logé au sein d’une enveloppe de la cellule, l’empilement comportant successivement selon une direction d’empilement, au moins une première électrode, un séparateur et une deuxième électrode, le procédé comprenant une formation (S1) d’un trou débouchant au travers de l’enveloppe de sorte à former un accès à une zone de l’empilement, et une décharge (S2) de la cellule en exerçant un appui sur la zone sans atteindre le séparateur de sorte à réduire une épaisseur de l’empilement afin de transformer une énergie chimique stockée dans la cellule en une énergie thermique, l’épaisseur de l’empilement étant définie selon la direction d’empilement. Figure pour l’abrégé : Fig. 5
Absstract of: FR3167762A1
Procédé et installation de décharge d’une cellule électrochimique de stockage d’énergie Procédé de décharge d’une cellule de stockage électrochimique d’énergie, la cellule comprenant : un empilement (3) logé au sein d’une enveloppe (4), l’empilement comportant une première électrode (5), un séparateur (7), une deuxième électrode (6), et des premier et deuxième collecteurs électriques (42, 43), le procédé comprenant une perforation comportant une formation d’au moins un trou débouchant (8) au travers de l’enveloppe (4), une connexion comportant une mise en contact d’au moins un dispositif électriquement conducteur (10) avec un premier collecteur électrique (42, 43), et une décharge de la cellule comprenant une première mise en connexion électrique dudit au moins un dispositif électriquement conducteur (10) avec un système de décharge électrique (45) et une deuxième mise en connexion électrique du système de décharge électrique (45) avec le deuxième collecteur électrique (42, 43), de manière à coupler électriquement en série le système de décharge électrique (45) et l’empilement (3). Figure pour l’abrégé : Fig.3
Absstract of: FR3167760A1
L’invention concerne un système de stockage d’énergie électrique (1) comprenant un boîtier (5), des cellules de stockage d’énergie électrique connectées entre deux bornes électriques. Selon l’invention, le boîtier comprend un réservoir (12) étanche pourvu d’une embouchure (13) par laquelle le réservoir est adapté à être rempli d’un liquide électriquement conducteur, et de deux conducteurs électriques (26) qui sont connectés électriquement respectivement aux deux bornes électriques et qui présentent chacun une partie disposée au sein dudit réservoir, à distance l’une de l’autre. Figure pour l’abrégé : Fig.1
Absstract of: FR3167765A1
L’invention concerne une bague (100) pour cellule électrochimique (10) cylindrique de batterie d’accumulateurs, comportant un corps annulaire (110) adapté à être engagé sur ladite cellule électrochimique. Selon l’invention, la bague comporte au moins une ailette (120) qui est réalisée au moins en partie dans un matériau conducteur électriquement et qui est mobile sur le corps annulaire entre une position escamotée et une position déployée dans laquelle elle fait davantage saillie à l’extérieur du corps annulaire qu’en position escamotée. Figure pour l’abrégé : Fig.3
Absstract of: FR3167786A1
Titre de l’invention : Système de gestion d’une consommation en énergie électrique. La présente invention concerne un système de gestion (2) d’une consommation en énergie électrique comprenant au moins un moyen de stockage en énergie électrique (6), un réseau électrique local (4) et une unité de contrôle (8), l’unité de contrôle (8) étant configurée pour collecter au moins une donnée relative au niveau de charge du moyen de stockage en énergie électrique (6) et au moins une donnée relative à la consommation en énergie électrique du réseau électrique local (4), l’unité de contrôle (8) étant configurée pour piloter le transfert d’énergie électrique entre le moyen de stockage en énergie électrique (6) et le réseau électrique local (4). (Figure 1)
Absstract of: FR3167769A1
L’invention concerne un module (M1) pour batterie comprenant un corps principal (11) ayant une première cavité (101) et une deuxième cavité (102), la première cavité (101) et la deuxième cavité (102) définissant respectivement une première surface interne (S1) et un premier volume intérieur (V1) et une deuxième surface interne (S2) et un deuxième volume intérieur (V2), - un premier connecteur électrique primaire (12) qui s’étend à partir de la première surface interne (S1) dans le premier volume intérieur (V1), et - un deuxième connecteur électrique primaire (13) qui s’étend à partir de la deuxième surface interne (S2) de la deuxième cavité (102) dans le deuxième volume intérieur (V2), le premier connecteur électrique primaire (12) et le deuxième connecteur électrique primaire (13) étant chacun configuré pour coopérer avec un connecteur électrique secondaire externe au module (M1, M2). L’invention concerne en outre un assemblage de deux modules ainsi qu’une batterie comprenant l’assemblage et un véhicule électrique comprenant la batterie. Figure 2
Absstract of: FR3167759A1
Amélioration des propriétés de mise en forme d’un électrolyte solide sulfure pour la préparation de batteries tout solide préparées en voie sèche La présente invention concerne un procédé de préparation sans solvant d’une électrode, ou d’une couche d’électrolyte solide, comprenant les étapes suivantes : (a) préparation d’un mélange comprenant un électrolyte solide sulfure, un fluoropolymère et de la silice pyrogénée ; et (b) mise en forme du mélange sous forme de film. L’invention vise également une formulation sans solvant pour électrode ou couche d’électrolyte solide Figure pour l'abrégé : néant
Absstract of: WO2026081445A1
The present application relates to the technical field of electrochemistry, and specifically discloses a positive electrode sheet, a secondary battery, and an electric device. A positive electrode active material of the positive electrode sheet in the present application comprises a manganese-containing phosphate material. The positive electrode sheet satisfies the following relational expression: 0.08≤(A×H)/IAl≤27, wherein A is the content of manganese in the positive electrode active material, H is the growth rate of hydrogen ion content when the positive electrode sheet is immersed in a mixed solution, and IAl is the difference between the peak intensities of aluminum element characteristic peaks in an XPS spectrum when XPS analysis is performed on the positive electrode sheet at different depths. By comprehensively controlling the content of manganese in the positive electrode active material, the hydrogen ion growth characteristics of the positive electrode sheet, and the Al peak intensities at different depths of the electrode sheet, the present application significantly mitigates the gas generation problem of the secondary battery comprising the positive electrode sheet, and achieves low increase rate of internal resistance of the battery after cycling.
Absstract of: WO2026081569A1
The present application relates to the technical field of batteries, and discloses an energy storage device, an energy storage system, and a charging network. The energy storage device comprises battery cell assemblies, an energy storage housing, and a frame. Each battery cell assembly comprises at least one battery cell. The energy storage housing has an accommodating cavity; the frame is accommodated in the accommodating cavity; the frame is provided with a plurality of first partitions arranged at intervals in a height direction; an accommodating space is formed between every two adjacent first partitions; each accommodating space accommodates a battery cell assembly; and the first partition located at the bottom of each accommodating space is used for supporting the corresponding battery cell assembly. At least one of two adjacent first partitions is a thermal management component, and the thermal management component is used for regulating the temperature of battery cells. The technical solution provided by the present application can improve the volumetric energy density of the energy storage device.
Absstract of: US20260109622A1
An olivine-structured nickel manganese phosphate active material includes a general structural formula of NibMndMePO4. b is greater than or equal to 0.1 and greater than or equal to 0.95. d is greater than or equal to 0.05 and greater than or equal to 0.90. e is greater than or equal to 0 and greater than or equal to 0.5. A doping element M includes one or a combination of Fe, Al, Co, Ca, Pb, Na, Ti, Zr, Mo, V, Nb, Sc, Cr, Cu, Zn, Be, La, Mg, N, or S.
Absstract of: US20260112745A1
In an insulating sheet, a first left-side piece portion, a second left-side piece portion, a left-side bottom piece portion, a first left-side connection portion, and a second left-side connection portion form a first communication path for communicating inside and outside of the insulating sheet, the first communication path having a first open end at a position of an end of each of the first left-side connection portion and the second left-side connection portion on the opening side of an exterior package. The first communication path is located on a shortest reach path for an electrolyte solution reaching, from the outside of the insulating sheet, an end portion of an electrode assembly closest to a ridgeline portion of the exterior package on the bottom portion side and on the side of one of a pair of second side walls.
Absstract of: US20260112756A1
0000 A battery pack according to an embodiment of the present disclosure includes at least one battery cell including a vent portion configured to force gas out; and a pack case in which the at least one battery cell is accommodated such that the vent portion faces a lower side of the battery pack. The vent portion is exposed from the battery pack.
Absstract of: US20260110755A1
A battery diagnosis apparatus according to the present disclosure includes a voltage sensor to generate a voltage signal indicating a battery voltage of a battery; a current sensor to generate a current signal indicating a battery current flowing through the battery; and a control circuit. The control circuit determines a measured capacity curve over a predetermined set voltage range based on the voltage signal and the current signal collected at each unit time for a constant current period during which the battery is charged or discharged at a predetermined current rate over the set voltage range. The control circuit determines a measured differential curve over the set voltage range based on the measured capacity curve. The control circuit determines whether a negative electrode tortuosity of the battery abnormally increased by comparing the measured differential curve with a reference differential curve.
Absstract of: US20260112764A1
0000 A power storage module includes a module main body in which electrodes are stacked in a first direction, a frame, and a pressure control valve attached to the frame having first communication holes in communication with internal spaces. The pressure control valve includes a wall body that has second communication holes in communication with the first communication holes, respectively, a protrusion that surrounds each of the second communication holes separately, the second communication holes being opened at a first wall surface, and valve bodies that close the second communication holes. A recess is formed to be recessed in a direction away from the frame and along the valve bodies, in a region of the first wall surface surrounded by the protrusion and having an opening of one of the second communication holes, the region not overlapping with the valve bodies as viewed in a second direction.
Absstract of: US20260112702A1
0000 Provided is an electrolyte solution including a compound represented by Formula 1,
0000
where m and n are integers ranging from 0 to 3, which are not 0 simultaneously; p is an integer ranging from 1 to 5; R<0 >is single bond or methylene; R<1 >is hydrogen, halogen, hydrocarbyl with 1 to 5 carbon atoms or halogenated hydrocarbyl with 1 to 5 carbon atoms; and R<2>, R<3>, and R<4 >are each independently
0000
A mass percentage of a transition metal in a negative electrode active material is M; a specific surface area of the negative electrode active material is B m<2>/g; a ratio of a total mass of the electrolyte solution to a discharge capacity of the battery is N g/Ah; and a mass percentage of the compound represented by Formula 1 in the electrolyte solution is C1, satisfying:
0000 0.3
≤
B
*
M
3
N
*
C
1
≤
5.6
.
Absstract of: US20260112708A1
0000 Metal-based batteries incorporating magnets to apply Lorentz force are disclosed herein. In one example, a zinc-bromine battery includes an aqueous electrolyte containing bromine (Br<2>), bromine ion complexes, or bromine precursors, a plurality of zinc cations (Zn<2>+), and a plurality of anions of bromine; a first electrode containing zinc (Zn); a second electrode in fluid communication with the first electrode via the aqueous electrolyte; and a magnet proximate to the first electrode and/or the second electrode. The magnet has a field strength to exert sufficient Lorentz force on the plurality of zinc cations (Zn<2>+) such that the zinc cations (Zn<2>+) forming a vortex proximate to a surface of the first electrode during galvanic charging and discharging of the zinc-bromine battery.
Absstract of: US20260112795A1
A battery module includes: a plurality of laminated battery cells; a bus bar connected to the battery cells; and a sensor unit electrically connected to the bus bar that measures a state of the battery cells. The bus bar is disposed in an accommodation space formed on one side surface of the laminated cell. The sensor unit includes a sensor case accommodating the sensor circuit, formed to a shape of the bus bar, and accommodated in the accommodation space and in contact with the bus bar. A fitting portion is electrically connected to the sensor circuit facing the bus bar in the sensor case when the sensor case is accommodated in the accommodation space. By fitting the fitting portion to the bus bar, the sensor case is fixed to the bus bar, and the sensor circuit is electrically connected to the bus bar via the fitting portion.
Absstract of: US20260110739A1
0000 A battery state management apparatus according to an embodiment disclosed herein includes a processor and memory having programmed thereon instructions that, when executed, are configured to cause the processor to receive a measured capacity, a voltage, and a state of health (SoH) of a battery cell corresponding to a charge/discharge cycle, and compute a capacity/voltage differential value (dQ/dV) corresponding to the charge/discharge cycle of the battery cell based on the capacity and the voltage, and determine a state of the battery cell based on the capacity/voltage differential value corresponding to the charge/discharge cycle and the SoH of the battery cell.
Absstract of: US20260110752A1
A battery SOH estimating apparatus includes a battery information obtaining unit configured to obtain battery information including at least one of voltage, current, temperature, and SOC; and a control unit configured to calculate deterioration information for the battery from the battery information, preset reference information and preset acceleration information based on a preset deterioration model, and estimate SOH for the battery from the deterioration information based on a preset non-linear estimation model.
Absstract of: US20260109891A1
0000 The invention concerns the use as cooling fluid, via direct immersion, of a composition comprising 80 to 100 weight % of a hydrocarbon fluid relative to the total weight of the composition, said hydrocarbon fluid comprising at least 90 weight % of a hydrocarbon fluid comprising at least 90 weight % of isoparaffins and less than 100 ppm by weight of aromatics relative to the total weight of the hydrocarbon fluid, said hydrocarbon fluid having 28-day biodegradability measured according to standard OECD 301B higher than or equal to 60%.
Absstract of: US20260112607A1
0000 The present disclosure relates to an electrode for an electrochemical device, and more particularly, to a dry electrode and a method for manufacturing the same. According to an aspect of the present disclosure, there is provided a new method for manufacturing a dry electrode free of wrinkles in an uncoated portion having no electrode active material layer on a current collector.
Absstract of: US20260110744A1
0000 Examples are described herein for monitoring power source usage of a computing device, including a battery and another power source, over time. In various examples, time periods of this monitored time may be added to a time count based on their immediately previous or immediately subsequent time periods satisfying a condition. The time count may be used to track periods of time during which certain power source usage factors are present that may lead to or may indicate the presence of battery swelling. After a time period is added to the time count, the updated time count can be compared to a time count threshold, and a user of the computing device may be warned based on the comparison. The threshold and warning may be selected to warn a user of potential present or future swelling of the battery.
Absstract of: US20260112598A1
0000 Silicon-containing composite particles, the process comprising the steps of:
(a) providing a plurality of porous particles comprising micropores and/or mesopores, wherein the D<50 >particle diameter of the porous particles from 0.5 to 200 μm; the total pore volume of micropores and mesopores is from 0.4 to 2.2 cm<3>/g; and the PD<50 >pore diameter is no more than 30 nm; c
(b) combining a charge of the porous particles with a charge of a silicon-containing precursor in a batch pressure reactor, wherein the charge of porous particles has a volume of at least 20 cm<3 >per litre of reactor volume (cm<3>/L
Absstract of: US20260112738A1
Battery cell (10) and housing system (14) for a battery cell (10) comprising a housing body with a bottom and lateral walls, wherein the bottom and lateral wall comprise a conductive layer (22) comprising a metal material, and the lateral wall further comprises a barrier layer wherein the barrier layer surrounds and is in contact surface with the conductive layer, the bottom being devoid of the barrier layer, and wherein the thermal resistance of the barrier layer is higher than the thermal resistance of the conductive layer.
Nº publicación: US20260112696A1 23/04/2026
Applicant:
ZHANGJIAGANG GUOTAI HUARONG NEW CHEMICAL MAT CO LTD [CN]
Absstract of: US20260112696A1
0000 An electrolyte solution of a lithium-ion battery and a lithium secondary battery. The electrolyte solution of a lithium-ion battery includes an organic solvent, a lithium salt and an additive, wherein the organic solvent includes fluorinated ethylene carbonate accounting for at least 5% of the total mass of the electrolyte solution, the additive comprises an additive A containing one or more compounds which have three or more carbon-carbon double bonds, and the electrolyte solution does not include a compound containing a sulfonyl group. The electrolyte solution of a lithium-ion battery is not only more environmentally friendly, but can also improve the swelling of the battery during the formation and high-temperature storage thereof, the discharge capacity of the battery, and the self-discharge performance of the battery under a high voltage.
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