Emmagatzematge en bateries

SURVEILLANCE DES SURTENSIONS D’UNE BATTERIE CELLULAIRE D’UN SYSTÈME

Resumen de: FR3159673A1

Un procédé de surveillance est mis en œuvre dans un véhicule comprenant une batterie cellulaire comportant N cellules de stockage d’énergie électrique, avec N > 1, et N capteurs mesurant respectivement N tensions aux bornes des N cellules, et propre, d’une part, à être rechargée par une source d’alimentation externe dans au moins un mode dit de recharge externe ou par récupération de couple dans un mode dit de récupération interne, et, d’autre part, à se décharger dans un mode dit de décharge. Ce procédé comprend une étape (10-30) dans laquelle, lorsque la batterie cellulaire est utilisée dans l’un des modes précités, on compare la somme des N tensions mesurées à un seuil fonction de ce mode utilisé, et on effectue dans le véhicule une action principale fonction de ce mode utilisé lorsque cette somme est supérieure à ce seuil. Figure 3

Matériau électrolytique pour batterie tout solide

Resumen de: FR3159704A1

Matériau inorganique solide pour son utilisation comme matériau d'électrolyte comprenant un oxyde de formule Ax(MgM1M2CuyZn)1-xO, M1 et M2 étant choisis indépendamment parmi les métaux du bloc d du tableau périodique, à l'exception du Co, et A est un métal alcalin. L’oxyde est un oxyde à haute entropie. Figure 1.

ELECTROLYTE MATERIAL FOR AN ALL-SOLID-STATE BATTERY

Resumen de: WO2025176462A1

The invention relates to a solid inorganic material for use as an electrolyte material comprising an oxide of formula Ax(MgM1M2CuyZn)1-xO, M1 and M2 being independently selected from among the metals of block d of the periodic table, with the exception of Co, and A being an alkali metal. The oxide is a high-entropy oxide.

ELECTROCHEMICAL CELLS INCLUDING ELECTRODE STACKS FOR METAL-AIR BATTERIES

Resumen de: WO2025179298A2

An electrochemical cell may include a vessel, a first module, a second module, and a gas diffusion electrode (GDE). The vessel has a thickness dimension. The first module includes a first anode sandwiched between two first oxygen evolution electrodes along the thickness dimension of the vessel. The second module includes a second anode sandwiched between two second oxygen evolution electrodes along the thickness dimension of the vessel. A gas diffusion electrode (GDE) is disposed between the first module and the second module in the vessel along the thickness dimension of the vessel.

GAS DIFFUSION ELECTRODES FOR METAL-AIR BATTERIES

Resumen de: WO2025179252A1

The present disclosure is generally directed to a discharge cathode of a metal-air battery. A method of fabricating the discharge cathode includes forming a frame of electrically insulating material onto a terminal with a first end portion of the terminal exposed in a window defined by the frame and a second end portion of the terminal outside of the frame. The method includes positioning a gas diffusion electrode (GDE) on the frame with a busbar supported on the GDE and a bus tab extending from the busbar to the window. The method includes connecting the bus tab and the first end portion of the terminal to one another through the window. The method includes, with the bus tab and the terminal connected to one another, hermetically sealing the window.

GAS SENSOR ADAPTER FOR A HIGH FLOW VENTILATION SYSTEM

Resumen de: WO2025179201A1

The present disclosure is generally directed to ventilation systems and an assembly for sensing gas concentration in a ventilation system. The assembly includes a body defining an opening and a passage. The assembly includes a first tube supported on the body, the first tube defining a first channel and one or more first apertures, the one or more first apertures in fluid communication with the passage via the first channel. The assembly includes a second tube supported on the body, the second tube defining a second channel and one or more second apertures, the one or more second apertures in fluid communication with the passage via the second channel and, collectively, the one or more first apertures, the first channel, the passage, the second channel, and the one or more second apertures defining at least a portion of a flow path.

INSULATING PROTECTIVE SLEEVE FOR BATTERY, AND BATTERY

Resumen de: WO2025175770A1

An insulating protective sleeve (100) for a battery cell, and a battery. The insulating protective sleeve (100) for a battery cell comprises: a first insulating portion (10) and a second insulating portion (20), which are arranged opposite each other; a first connection portion (30) and a second connection portion (40), which are arranged opposite each other; a third insulating portion (50); and two folding portions (60), wherein the first insulating portion (10), the second insulating portion (20), the third insulating portion (50), the first connection portion (30) and the second connection portion (40) enclose an accommodating cavity; and the two folding portions (60) are integrally connected to the third insulating portion (50).

CELL SEPARATING ELEMENT

Resumen de: WO2025176369A1

The invention relates to a cell separating element, having a housing (1) in which a fluid is provided and which is formed by two film-like housing parts (2, 3). These are connected to one another in a sealingly fixed manner along their edge (4, 5), wherein at least one integral connection (13) running over the length of the edge (4, 5) is provided in the edge region. Said connection is covered by an elastically deformable cover part (14) which is provided on the edge (4, 5) of the housing.

A BATTERY CELL FOR A VEHICLE

Resumen de: WO2025176906A2

Aspects of the present invention relate to a battery cell (202) for a vehicle, comprising a battery cell housing (104), at least one electrode stack (110) disposed in the battery cell housing (104), and at least one compressible element (204) disposed in the battery cell housing (104), the at least one compressible element (204) being configured to counter any swelling of the battery cell (102).

GAS SENSOR WITH NANOSTRUCTURES

Resumen de: WO2025177013A1

The present invention relates to a sensor assembly for a gas sensor. The sensor assembly comprises an electronic board, such as a Printed Circuit Board, having a first board side and a second board side, opposite to the first board side, and a transducer comprising a substrate which has a first substrate side and a second substrate side, opposite to the first substrate side, wherein a plurality of nanostructures is deposited on the second substrate side. According to the invention, the second substrate side is attached to the first board side, so that the plurality of nanostructures face the first board side, and the sensor assembly is provided with one or more perforations, in order to allow a gas flow to reach the plurality of nanostructures. The present invention also refers to a method of manufacturing the sensor assembly and to a method of using it, for example in a sensor for detecting thermal runaways of batteries.

METHOD FOR PRODUCING A SEMIFINISHED PRODUCT

Resumen de: WO2025176350A1

The present invention relates to a method for producing a semifinished product (1), in particular for a cooling plate (102). More variable production and increased economic viability in the case of small quantities can be achieved by providing a blank (2) corresponding to the dimensions of the semifinished product (1) and providing at least certain portions on one side (6) with adhesive (4). The invention also relates to a method for producing a cooling plate (102) using such a semifinished product (1).

SECONDARY BATTERY, ELECTRONIC DEVICE, AND VEHICLE

Resumen de: US2025273739A1

A lithium-ion secondary battery having high capacity and excellent charge and discharge cycle performance is provided. A secondary battery having high capacity is provided. A secondary battery having excellent charge and discharge performance is provided. A secondary battery in which a decrease in capacity is suppressed even at high temperatures is provided. The secondary battery includes a positive electrode, a negative electrode, an electrolyte solution, and an exterior body. The positive electrode includes a positive electrode active material. The positive electrode active material contains lithium, cobalt, oxygen, magnesium, and fluorine. The number of magnesium atoms contained in the positive electrode active material is greater than or equal to 0.001 times and less than or equal to 0.1 times the number of cobalt atoms contained in the positive electrode active material. The positive electrode active material includes a region having a layered rock-salt crystal structure. The electrolyte solution contains an ionic liquid. The exterior body includes a metal layer and a polymer layer stacked over the metal layer. The polymer layer includes a region in contact with the electrolyte solution.

PORTABLE BATTERY PACK FOR WIRELESSLY CHARGING BODY-WORN DEVICES THROUGH CLOTHING

Resumen de: US2025273997A1

A portable battery pack is disclosed for wirelessly powering a portable electronic device through a user's clothing. The portable battery pack includes a housing with a mating surface that includes one or more permanent magnets to facilitate mating with a portable electronic device, such as a body-worn camera.

BATTERY SYSTEM WITH INTEGRATED COOLING MANIFOLD

Resumen de: US2025273765A1

A battery system includes accommodation chambers on top of each other in a housing with side portions, each one of the accommodation chambers including cells and a cooling plate; a cooling manifold inside the housing including a vertically extending portion that vertically extends along a side portion of the housing, the cooling manifold being connected to each of the cooling plates; a leakage protection member enclosing at least a portion of the cooling manifold, the leakage protection member extending toward a bottom portion of the housing along the cooling manifold such that coolant that is leaked from the cooling manifold is drained through the leakage protection member toward the bottom portion of the housing; and a detection unit including at least one leakage sensor positioned at the bottom portion of the housing and configured to detect coolant drained toward the bottom portion by the leakage protection member.

BATTERY PACK, BATTERY SYSTEM AND SPACER FOR BATTERY SYSTEM

Resumen de: US2025273763A1

A battery pack including: a battery cell stack including a plurality of battery cells and a spacer between two adjacent ones of battery cells; and a cooler at a bottom side of the battery cell stack. The bottom side of the battery cell stack being opposite to a venting side of the battery cell stack. The spacer includes a thermally insulating core and a heat conductive structure at a lateral surface of the spacer facing a lateral surface of one of the battery cells. The heat conductive structure includes a center element arranged centrally in the lateral surface of the spacer and trajectories extending from the center element into peripheral areas of the lateral surface of the spacer.

ENERGY STORAGE SYSTEM AND POWER-CONSUMING APPARATUS

Resumen de: US2025273809A1

An energy storage system and a power-consuming apparatus. The energy storage system include a box and a battery module. The battery module includes electrochemical cells, a module housing, a partition plate, and an air conduit. The partition plate is disposed in the module housing, the partition plate divides the module housing into a heat dissipation cavity and a smoke exhaust cavity, and the air conduit communicates with the smoke exhaust cavity by using the first mounting hole. An exhaust vent may be further disposed on the box, and the air conduit communicates with the exhaust vent. In this way, smoke generated by thermal runaway of the electrochemical cells may enter the air conduit through the first mounting hole of the module housing, and then be discharged to the outside of the box through the exhaust vent.

BATTERY SYSTEM

Resumen de: US2025273808A1

A battery system includes a battery pack including a plurality of battery cells, each having a pair of electrode terminals and a venting valve between the electrode terminals, the battery cells being arranged in at least two cell stacks extending adjacent to each other along a stacking direction, the electrode terminals and the venting valves of the battery cells face a first side of the battery pack; and a cell contacting unit (CCU), on the first side of the battery pack, the CCU including a plurality of busbars electrically connecting adjacent rows of the electrode terminals of battery cells of two adjacent cell stacks, the CCU being configured to cover both adjacent rows of the electrode terminals of the battery cells of the adjacent cell stacks and less than half of an area between the electrode terminals of each of the battery cells of the adjacent cell stacks.

BATTERY AND BATTERY SYSTEM INCLUDING PRESSURE VESSEL

Resumen de: US2025273807A1

A battery includes a tubular battery cell including an anode, a cathode and a solid electrolyte. The battery cell defines a central through hole. The battery further includes a container. The battery cell is inside of the container. The container includes a fluid inlet configured to provide fluid to the central through hole and a fluid outlet configured to receive fluid from the central through hole.

BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: US2025273806A1

A battery cell, a battery and an electric device are provided. The battery cell includes electrode assemblies, a shell, and a pressure relief mechanism. The shell is used to accommodate the electrode assemblies. The pressure relief mechanism is provided on a lower portion of the shell and integrally formed with the shell. During normal use of the battery cell, the pressure relief mechanism is located at the lower portion of the shell.

BATTERY MODULE, AND BATTERY PACK AND VEHICLE INCLUDING THE SAME

Resumen de: US2025273810A1

Provided are a battery module, and a battery pack and a vehicle including the same. A battery module according to an embodiment includes a battery cell stack in which a plurality of battery cells are stacked, a case in which the battery cell stack is accommodated, the case including a first outlet through which gas is discharged, an exhaust path member mounted on the case to provide a gas discharge path through which gas is discharged but a flame is prevented from leaking out, and a cover coupled to the case to cover the exhaust path member, the cover including a second outlet through which gas moving through the exhaust path member is discharged, wherein a covering portion included in the case is provided to adjust a length.

BATTERY CELL, BATTERY, AND ELECTRICAL DEVICE

Resumen de: US2025273747A1

A battery cell includes an electrode assembly housed in a shell. The electrode assembly comprises a plurality of electrode sheets of opposite polarities and separators interposed therebetween. The electrode sheets and separators are wound along a winding direction to form a wound structure. At least one electrode sheet includes a current collector substrate and a plurality of tabs. The tabs are connected to a side edge of the substrate extending in the winding direction and are spaced apart along that direction. At least some of the tabs are bent toward the winding axis, forming a tab stack at an end of the wound structure. The battery cell further includes conductive members welded to the tab stack and electrically connected to an electrode terminal located on a wall of the shell. Also disclosed are a battery including the battery cell and an electrical device incorporating the battery.

FLEXIBLE BATTERY

Resumen de: US2025273736A1

A flexible battery can include a cathode current collector; a cathode disposed on the cathode current collector; an anode current collector; an anode disposed on the anode current collector; a separator disposed between the cathode and the anode; an electrolyte interspersed within the cathode, the separator, and the anode; and a casing enclosing the cathode current collector, the cathode, the separator, the anode, and the anode current collector.

IMPROVED SOLID-STATE IONIC CONDUCTING MATERIALS AND METHODS OF MAKING THE SAME

Resumen de: US2025273733A1

Improved solid electrolyte materials and methods of treating solid electrolyte materials to yield improved solid electrolyte material are described. The improved solid electrolyte material includes one or more near surface regions to which compressive stress is applied via ion implantation in order to strengthen the solid electrolyte material against, e.g., anode material dendrite penetration. Methods of treating the solid electrolyte material include subjecting the solid electrolyte material to ion implantation to thereby create a first and second region having ions implanted therein. The ion fluence in the second region may be greater than the ion fluence in the first region.

SOLID-STATE BATTERY WITH MULTILAYER SOLID-STATE ELECTROLYTE

Resumen de: US2025273732A1

Aspects of the disclosure include a solid-state battery with a multilayer solid-state electrolyte. An exemplary vehicle includes an electric motor and a battery pack electrically coupled to the electric motor. The battery pack includes a battery cell that includes an anode current collector and a composite anode layer having an anode active material embedded with a first low-voltage solid-state electrolyte. The battery pack includes a cathode current collector and a composite cathode layer having a cathode active material embedded with a first high-voltage solid-state electrolyte. A multilayer solid-state electrolyte is between the composite anode layer and the composite cathode layer. The multilayer solid-state electrolyte includes a second low-voltage solid-state electrolyte, a second high-voltage solid-state electrolyte, and an interlayer solid-state electrolyte directly between the second low-voltage solid-state electrolyte and the second high-voltage solid-state electrolyte.

APPARATUS, SYSTEM AND METHOD FOR BATTERY FORMATION

Nº publicación: US2025273734A1 28/08/2025

Solicitante:

IONTRA INC [US]
Iontra Inc