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1111
resultados
Última actualización
03/09/2024 [07:45:00]
Resultados 875 a 900 de 1111
Resumen de: WO2024171035A1
Processing line and method of electrochemical cells (30) wherein it is provided to: - move step-wise a plurality of seats (25) along a transport path (20) according to an advancement direction A with a movement step P and according to a time interval T between one movement step P and the other, wherein the time interval T is defined by a movement time Tm and a stop time Ts; wherein said seats (25) are equidistant from each other and spaced according to a predetermined spacing step D along at least one active sector (21 ) of the transport path (20) and wherein the movement step P corresponds to N times the predetermined spacing step D; - during the step-wise movement of said plurality of seats (25), in the stop time Ts: stopping N seats (25) at a time of said plurality of seats (25) in a working area (22) defined along the active sector (21 ) of the transport path (20) to perform a same operation simultaneously on N electrochemical cells (30) transported by the N seats (25) stopped in the working area (22); - during the step-wise movement of said plurality of seats (25), in the stop time Ts: stopping N seats (25) at a time of said plurality of seats (25) in a deposition area (23) defined along the active sector (21 ) of the transport path (20) upstream of the working area (22) with respect to the advancement direction A, and placing, one after the other, N electrochemical cells (30) in N different positions (P1, P2, P3) at the N seats (25) stopped in the deposition area (23).
Resumen de: WO2024170173A1
The invention relates to a system having at least one first receiving device (2a) for receiving at least one first rechargeable battery (4a), wherein the at least first rechargeable battery contains a temperature sensor (7) for detecting at least one temperature value of the rechargeable battery, wherein the at least first receiving device contains a charging unit (13) for charging the rechargeable battery with electrical energy, a cooling unit (14) for cooling the rechargeable battery, and a heating unit (15) for heating the rechargeable battery.
Resumen de: US2024283056A1
At least one inverter is heated by causing an inverter heat generation control unit to pass a predetermined current through the inverter for a predetermined time, and heating of the at least one inverter causes a high-voltage battery (storage battery) to warm up via a cooling circuit. Accordingly, control for warmup of the high-voltage battery (storage battery) is simply performed by passing the predetermined current through the inverter for a predetermined time. This inverter heat generation control can also be applied to a vehicle not including a step-up converter.
Resumen de: US2024283049A1
In embodiments, a battery system includes battery cell modules. Each battery cell module has a positive lead and a negative lead. The battery system includes a bus bar disposed to be in electrical communication with a positive lead of a first battery cell module and a negative lead of a second battery cell. The bus bar includes heat exchange members in thermal communication with a surrounding working fluid. Each heat exchange member's first dimension is a distance between the positive lead and the negative lead and second dimension is a distance from a bottom of a heat exchange member the plurality of heat exchange members in contact with the positive and negative leads to a top of the heat exchange member. The thermal communication with the working fluid occurs over the length of the first dimension. A ratio of the first dimension to the second dimension is at least 2:5.
Resumen de: US2024283051A1
The battery module includes a plurality of batteries stacked together, and separator disposed between an adjoining two of the plurality of batteries and configured to insulate between the adjoining two of batteries. Separator includes thermal conduction suppressor and position regulator. Thermal conduction suppressor has lower thermal conductivity than position regulator and suppresses thermal conduction between the adjoining two of batteries. Position regulator has higher rigidity than thermal conduction suppressor, has dimension in stacked direction of batteries equal to or greater than dimension of thermal conduction suppressor in stacked direction, and abuts the adjoining two of batteries to regulate a position of each of the adjoining two of batteries in stacked direction.
Resumen de: US2024283055A1
A heating film includes a first insulating film, a second insulating film and a heating element. The second insulating film is located on one side of the first insulating film in its thickness direction, and the heating element is arranged between the first insulating film and the second insulating film. At least one of the first insulating film and the second insulating film includes a ceramic insulating film, and the heating film is further configured with a mounting part for mounting the heating film.
Resumen de: US2024283046A1
A battery module is provided. The battery module may comprise a first battery cell of a plurality of battery cells, a second battery cell of the plurality of battery cells, and a heat transfer insert. The heat transfer insert is inserted between the first battery cell and the second battery cell, and is configured to thermally conduct heat from the first battery cells and the second battery cell. The battery module may further comprise a cold plate, coupled to the first heat transfer insert. The cold plate may be configured to transfer the heat from the heat transfer insert to an exterior environment of the battery module.
Resumen de: WO2024170596A1
The present invention relates to a method (210) and a device (110) for initially charging a lithium-comprising anode (114) in an electrochemical device (112), wherein the electrochemical device (112) comprises an anode (114), a cathode (116), and an electrolyte (122) configured for providing a connection between the cathode (116) and the anode (114). The method (210) comprises the following method steps: a) providing an electrochemical device (112), wherein the anode (114) and the cathode (114) have not been fully charged before; b) supplying a plurality of current pulses (126) to the electrochemical device (112), whereby a solid electrolyte interphase (30) is generated on a surface (132) of the anode (114) and on a surface (133) of the cathode (116) both adjoining the electrolyte (122), wherein the solid electrolyte interphase (130) comprises a corrosion product of the electrolyte (122) and of the anode (114) or the cathode (116), respectively; and c) obtaining the formed electrochemical device (112); d) determining at least one material parameter related to a performance of the electrochemical device (112) during method step b); and e) adjusting at least one pulse parameter related to the current pulses (126) as applied to the electrochemical device (112) during method step b). The method (210) and the device (110) according to the present invention perform the initial charging of the electrochemical device (112) in a comparatively fast manner, while scrap and spread of the
Resumen de: US2024283000A1
Various embodiments of the present invention relate to a secondary battery, and the objective of the present invention is to provide a secondary battery, which has drop-impact resistance, by providing an electrode assembly having a relatively thick inner circumferential and a relatively thin outer circumferential tab. To this end, disclosed is a secondary battery, which comprises an electrode assembly comprising: an anode plate having an inner circumferential tab formed at a wound front end thereof; a separator covering the anode plate; and a cathode plate having an outer circumferential tab formed at a wound distal end thereof.
Resumen de: US2024283054A1
A composite material having a function of isolating heat and combustion supporting gases is disclosed. A layered structure of the composite material includes a carbon-silicon foam layer, a first acrylic resin layer, a glass fiber cloth layer, a second acrylic resin layer, a first silicone layer, a carbon fiber layer, a second silicone layer, a quartz wool layer, and a third silicone layer. Due to the layered structure of carbon-silicon foam material, glass fiber cloth, carbon fiber and quartz wool, the composite material can provide functions such as heat insulation, combustion-supporting gases insulation, heat conduction, and anti-breakdown for protecting lithium-ion batteries from thermal runaway.
Resumen de: US2024283066A1
Provided is a technique for improving impregnation efficiency of an electrolyte solution into a wound electrode body. A method for manufacturing an electricity storage device is disclosed herein. The electricity storage device includes an electrode body, a case, and an electrolyte solution. The case includes a body having a wide rectangular first wall and an opening opposed to the first wall, and a sealing plate that seals the opening and is opposed to the first wall. This method includes an accommodating step, an injecting step, and a sealing step. In the accommodating step, the electrode body is accommodated in the body to make the wide surfaces opposed to the first wall. In the injecting step, the electrolyte solution is injected into the body after the accommodating step. In the sealing step, the opening of the body is sealed with the sealing plate after the injecting step.
Resumen de: US2024283064A1
A button cell includes an electrode assembly including a first electrode, a second electrode, a separator between the first electrode and the second electrode, a first electrode tab extending from the first electrode, and a second electrode tab extending from the second electrode, a case accommodating the electrode assembly, and including a through hole exposing an upper central region of the electrode assembly and an opening exposing a lower portion of the electrode assembly, a bottom plate coupled to the case to cover the opening, and connected to the first electrode tab, a terminal plate insulated from and bonded to the case to cover the through hole, and connected to the second electrode tab, and a bonding layer between the case and the terminal plate, and configured to insulate and bond the case and the terminal plate.
Resumen de: US2024283053A1
A battery cooling system (1) configured to distribute a cooling medium at an appropriate flow rate. The battery cooling system cools a battery including a plurality of battery packs (3) by a jacket (2). The jacket includes a branch channel (supply branch channel 12, discharge branch channel 13) that branches from a main channel (supply main channel 10, discharge main channel 11) and returns to the main channel. The main channel is directly coupled to pressure feeding pump (P) that pressure feeds a cooling medium. The battery cooling system includes a temperature control valve (5, 5′, 5″) provided at the branch channel through which the cooling medium flows out from the channel of the jacket to an outside and returns to the main channel. The temperature control valve adjusts a degree of opening of a valve corresponding to a temperature of the cooling medium nearby.
Resumen de: WO2024170546A1
Various examples relate to characterizing ageing of a rechargeable battery. Multiple state of health associated with capacity, impedance, and/or pressure or strain can be determined, taking into consideration stress factors of the battery. A model is built that enables to determine the state of health of the battery associated with pressure or strain.
Resumen de: US2024283083A1
Embodiments of the present application provide a battery, comprising: a box comprising an electrical cavity; a battery cell accommodated in the electrical cavity, a first wall of the battery cell being provided with a pressure relief mechanism; a first pathway and a second pathway, the first pathway and the second pathway being configured to be capable of communicating with an interior of the battery cell via the pressure relief mechanism when the pressure relief mechanism is actuated, wherein the first pathway is used to discharge emissions discharged from the pressure relief mechanism into the electrical cavity, and the second pathway is used to discharge the emissions discharged from the pressure relief mechanism out of the electrical cavity; a first balance valve for discharging emissions passing through the first pathway out of the box; and a second balance valve for discharging emissions passing through the second pathway out of the box.
Resumen de: US2024283082A1
A battery module includes: a battery cell stack including a plurality of battery cells arranged along a first direction, each of the battery cells having a venting side including a venting outlet and facing in a second direction crossing the first direction; a venting space extending adjacent to the venting sides with the venting outlets opening into the venting space; a degassing space extending along the first direction besides the venting space; and a plurality of separators sub-dividing the venting space into a plurality of venting channels arranged along the first direction and being gas-tightly separated from each other by the separators. Each of the venting channels has a venting channel opening open into the degassing space, and the degassing space is at least partly confined by a wall including a collection area arranged opposite to and spaced apart from the venting channel openings.
Resumen de: US2024283045A1
The present invention relates to a process for recycling battery materials, in particular lithium ion/polymer batteries, and to the subsequent use of the useful materials recovered by way of the process according to the invention.
Resumen de: US2024283079A1
A battery pack includes: a plurality of cylindrical battery cells, each one of the plurality of cells having a cylindrical outer cell wall that extends in a z-direction between opposed first and second ends of the cell; a carrier structure that locates the battery cells relative to one another and arranges them in an array in an x-y plane perpendicular to the z-direction; and a plurality of barriers for preventing propagation of thermal runaway between cells of the array, each one of the plurality of barriers forming a barrier wall that surrounds a group of one or more of the cells. A gap is defined between the barrier wall of each respective barrier and the outer cell wall of each of the respective one or more cells enclosed by the respective barrier.
Resumen de: US2024283071A1
The present application relates to the technical field of power batteries, and discloses a cell module, a power battery, and an electric vehicle. The cell module comprises a tray and a plurality of cylindrical cells; the cylindrical cells are arranged on the tray; the sum of the projection areas of the plurality of cylindrical cells on the tray in the height direction of the cylindrical cells is S, the projection area of the tray in the height direction of the cylindrical cells is A, and S/A is greater than or equal to 0.67.
Resumen de: WO2024170314A1
The invention further relates to a method for producing a storage unit for electrical energy. The electrical energy storage unit may be a battery module for providing electrical traction energy for a vehicle. The method comprises the step of determining (S10) a spatially resolved distribution (3) of a swelling behaviour of a first battery cell (4) during and/or at the end of cyclization of the first battery cell (4). The method furthermore comprises selecting (S20) a target sensor position (5) depending on the determined spatially resolved distribution (3) of the swelling behaviour and producing (S30) a storage unit for electrical energy comprising one or more second battery cells (6), which are preferably of the same design as the first battery cell (4). A sensor (7) for measuring the swelling behaviour of the second battery cell (6) at the selected target sensor position (5) is arranged on at least one of the one or more second battery cells (6). The present invention furthermore relates to a storage unit for electrical energy produced in this manner. This method (1), the battery module (2) and this vehicle can be used to monitor a state of health of the battery module (2).
Resumen de: US2024283047A1
Battery packs, which may be used in vehicles, include: a plurality of battery cells; one or more flow control devices; and sensing and control circuitry configured to: measure one or more parameters indicative of an onset of thermal runaway of one or more of the plurality of cells; determine, based on a change in one or more of the measured parameters, that one or more of the plurality of battery cells has begun or is at risk of beginning thermal runaway; and activate one or more of the flow control devices in response to the determination. Each of the one more flow control devices is configured to, when activated, direct a flow of fluid past one or more of the plurality of cells to cool the cells and/or carry media vented by one or more of the cells following a thermal runaway event away from the one or more cells.
Resumen de: US2024283074A1
A battery module according to one aspect of the present disclosure includes a battery case and a plurality of laminate batteries stored in the battery case. Each of the plurality of laminate batteries includes an electrode assembly, a container that accommodates the electrode assembly, and a seal portion that seals a periphery of the container. The container includes an exhaust part and a body. The inside of the battery case is filled with a mold resin with a distal end of the exhaust part left exposed.
Resumen de: US2024283081A1
A battery module includes a plurality of battery cells, a module case in which the plurality of battery cells are accommodated, the module case including a gas venting hole on at least one side, and a gas venting panel including a gas discharge path communicating with the gas venting hole and configured to guide a flow of gas to an outside along a pre-determined path, the gas venting panel being coupled to an outer side of the module case. The gas venting panel includes a passage width adjusting unit configured to variably adjust a width of the gas discharge path according to pressure of gas.
Resumen de: US2024283080A1
A battery pack includes a housing, a battery cell assembly, a first separator, a pressure relief portion, and glue. The first separator is disposed between the housing and a first side of the battery cell assembly, and is deformed when a temperature is higher than a first threshold. The glue fills a clearance between the housing and at least a partial area outside the first side of the battery cell assembly and is configured to fasten the battery cell assembly to the housing. When thermal runaway occurs in the battery pack, the first separator is thermally deformed to form a first pressure relief channel between the housing and the first side of the battery cell assembly. Then, high-temperature gas can smoothly escape from the battery pack through the first pressure relief channel and the pressure relief portion.
Nº publicación: US2024283041A1 22/08/2024
Solicitante:
BLUE CURRENT INC [US]
Blue Current, Inc
Resumen de: US2024283041A1
Solid-state lithium-ion cells described herein can operate at pressures. In some embodiments, the solid-state lithium-ion cells undergo little or no volume change during cycling. A conditioning process that that significantly improves the performance of a cell at reduced pressures can involve cycling the cell at high pressure.
BOPI
Sede Electrónica
