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1482
resultados
Última actualización
03/04/2026 [07:26:00]
Resultados 650 a 675 de 1482
Resumen de: US20260084980A1
A positive electrode active material includes a lithium-rich manganese-based oxide represented by the following Chemical Formula 1, and has a structure in which a rock-salt-type lithium manganese oxide and a layered lithium transition metal oxide are mixed. The lithium-rich manganese-based oxide may have a prescribed internal porosity.in Chemical Formula 1, 1.00
Resumen de: US20260084975A1
A lithium recovery method includes a process of agitating a treated member of an inactivated lithium ion secondary battery in pure water, dispersing a water-soluble solid electrolyte contained in the treated member into pure water, a filtrate, a separation liquid after extraction, or a mixed liquid of the pure water, the filtrate and the separation liquid after extraction to prepare a dispersion liquid, a process of separating solids contained in the dispersion liquid to recover a separation liquid, and a process of extracting a lithium hydroxide aqueous solution from the separation liquid by electrodialysis using a cation exchange membrane.
Resumen de: WO2026061080A1
Disclosed in the present application are a heat exchange device and a battery system. The heat exchange device comprises first partition plates, second partition plates, and heat exchange assemblies, wherein each second partition plate is arranged opposite each first partition plate to form an accommodating cavity, which is configured to accommodate battery cell stacks; and each heat exchange assembly is arranged between one first partition plate and one second partition plate, and divides one accommodating cavity into a first cavity and a second cavity. Each heat exchange assembly comprises a first liquid cooling plate, a second liquid cooling plate, and a gas discharge plate, wherein the first liquid cooling plate is attached to one side of the gas discharge plate, and the second liquid cooling plate is attached to the other side of the gas discharge plate; a first gas discharge channel is formed in the gas discharge plate, and is configured to be in communication with the outside; first gas discharge holes are formed in the first liquid cooling plate, and are respectively in communication with one first cavity and the first gas discharge channel; and second gas discharge holes are formed in the second liquid cooling plate, and are respectively in communication with one second cavity and the first gas discharge channel. The heat exchange device can directionally discharge high-temperature off-gas, thereby improving the safety of the entire battery system.
Resumen de: WO2026061077A1
A battery module, comprising: battery cells, a non-metallic case having an accommodating cavity, a plastic partition plate, and a first fastening mechanism, wherein the plastic partition plate is arranged in the accommodating cavity and divides the accommodating cavity into a plurality of battery compartments; the plastic partition plate is detachably fixed on an inner wall of the accommodating cavity via the first fastening mechanism; and each battery compartment has a battery cell arranged therein.
Resumen de: WO2026061008A1
Provided in the present application are a preparation method for and the use of a polyurethane solid-solid phase change material. The polyurethane solid-solid phase change material comprises a polymer skeleton and functional particles filled in the polymer skeleton, wherein the polymer skeleton comprises a first structure derived from polyethylene glycol and a second structure of an isocyanate compound, and the functional particles comprise an Fe3O4 inner core and a PZS shell layer coating at least part of the surface of the Fe3O4 inner core. The polyurethane solid-solid phase change material has good thermal stability and thermal conductivity, and a battery comprising the polyurethane solid-solid phase change material has good thermal management capability.
Resumen de: WO2026060955A1
Provided in the present application are a battery cell, a manufacturing method for the battery cell, a battery and an electric device. The battery cell comprises an electrode assembly, a casing and a support member. The casing is configured to accommodate the electrode assembly, and there is a gap between at least part of the outer periphery of the electrode assembly and an inner wall of the casing. The support member is arranged between the electrode assembly and the inner wall of the casing and is configured to fill the gap.
Resumen de: WO2026061037A1
Provided in the present application are a battery cell, a battery and an electric device. The battery cell comprises a casing, an end cover, an electrode assembly, and a pressure-relief mechanism. The casing has an accommodating space having an opening at one end, and the end cover is connected to the casing and seals off the opening, the end cover being provided with a pressure-relief hole. The electrode assembly is accommodated in the accommodating space. The pressure-relief mechanism is arranged on the end cover and seals off the pressure-relief hole, the pressure-relief mechanism being configured to release the internal pressure of the battery cell. The material of the pressure-relief mechanism comprises steel or nickel, and the material of the end cover comprises steel; the pressure-relief mechanism is welded to the end cover. The material of the pressure-relief mechanism comprising steel or nickel and the material of the end cover comprising steel can improve the structural strength of the end cover and the pressure-relief mechanism, reduce the risk of deformation of the end cover and the pressure-relief mechanism when subjected to a force, and facilitate a reduction in the risk of premature valve opening for pressure relief in the pressure-relief mechanism, helping prolong the service life and enhance the reliability of the battery cell. In addition, the pressure-relief mechanism made of steel or nickel is relatively easy to weld with the end cover made of steel.
Resumen de: WO2026061007A1
A battery pack and a battery cabinet. The battery pack comprises a battery module (02) and an integrated busbar (03). The integrated busbar (03) comprises an insulating support frame (1), connecting bars (2), and a sampling plate (3). The insulating support frame (1) comprises a flue (121) and a plurality of channels (122). A base of the flue (121) faces a column of battery cell explosion-proof valves (0212), and two side walls of the flue (121) are located at two sides of the column of battery cell explosion-proof valves (0212). The base of the flue (121) is provided with openings of the plurality of channels (122); one end of the side wall of each of the plurality of channels (122) is connected to the corresponding opening, and the other end thereof is connected to a battery cell (021). Temperature sensors (32) pass through the channels (122) and are in contact with the battery cells (021), the channels (122) are positioned offset from the battery cell explosion-proof valves (0212), and the side walls of the plurality of channels (122) separate the temperature sensors (32) from the battery cell explosion-proof valves (0212).
Resumen de: WO2026060996A1
Provided in the present application is a battery pack. The battery pack comprises a box body and, accommodated in the box body, a battery module and a battery management unit (BMU), a bottom surface of the battery module being provided with a circuit board, and a sampling circuit being provided in the BMU. A liquid leakage detection circuit is provided in the circuit board, an isolation circuit being provided between the sampling circuit and the liquid leakage detection circuit. The sampling circuit and the liquid leakage detection circuit are electrically connected to each other by means of the isolation circuit. The sampling circuit comprises a first resistor, the first resistor being connected in series to the isolation circuit. Because an electrolyte is electrically conductive, when the electrolyte of a battery cell leaks onto the circuit board, the resistance value of the liquid leakage detection circuit in the circuit board changes, and therefore the voltage of the isolation circuit changes, such that on the basis of the voltage change at two ends of the isolation circuit, the BMU determines whether the electrolyte in the battery module has leaked.
Resumen de: US20260088396A1
The present disclosure relates to a pad for a battery module. The pad includes a laminate including a first polymer member, a buffer member disposed on the first polymer member, and a second polymer member disposed on the buffer member, wherein the first polymer member and the second polymer member have a porous lattice structure.
Resumen de: US20260088433A1
The battery pack includes cylindrical battery and battery holder configured to dispose cylindrical battery in the predetermined position. Battery holder includes holding tube configured to internally accommodate cylindrical battery and cover outer circumferential face of cylindrical battery. Holding tube includes exposure window opened to allow outer circumferential face of accommodated cylindrical battery to be exposed therefrom to the outside. An exposed part of cylindrical battery exposed from exposure window is fixed to battery holder via adhesive member.
Resumen de: US20260088426A1
A method or process for producing a battery carrier for an electric vehicle, which receives battery cells. The battery carrier is produced in a casting process, such as a rheocasting process.
Resumen de: US20260088393A1
A battery pack including a plurality of battery modules, each battery module including a plurality of battery cells, a coolant inlet, and a coolant outlet; a coolant manifold plate for supplying and return coolant to and from the battery modules, the coolant manifold plate including: a wall of the battery pack; a vertical coolant rail; a plurality of horizontal coolant rails, wherein the plurality of horizontal rails are parallel with one another and perpendicular to the vertical rail, the vertical coolant rail supplies coolant to each of the plurality of horizontal coolant rails, and the manifold plate supports each battery module.
Resumen de: US20260088445A1
The present disclosure relates to an electrode assembly including a negative electrode including a current collector, a negative electrode active material layer on the current collector, and a coating layer on the negative electrode active material layer; and a positive electrode. The coating layer includes an organic layer including polyimide nanofibers and a quinoline derivative. An average diameter of the polyimide nanofibers is less than or equal to about 200 nm. The present disclosure also relates to a method for manufacturing the electrode assembly.
Resumen de: US20260088394A1
The present invention suppresses a temperature rise of a battery cell due to a bus bar plate connected to first and second lead plates. In battery system 1 in which a plurality of battery cells 4A included in battery block 4 are connected in series as well as in parallel by connecting the end-face electrodes of battery cells 4A with first lead plate 7A and second lead plate 7B that are connected by bus bar plates 3, a temperature rise of a specific battery cell 4A caused by bus bar plates 3 is suppressed by ensuring cooling gap 5 between bus bar plates 3 and battery block 4, and enabling the air in cooling gap 5 to rise quickly when the temperature of bus bar plate 3 rises due to the Joule heating of the load current.
Resumen de: US20260088275A1
A battery manufacturing method according to the present disclosure includes: (A) performing charge/discharge processing on a power generation element including a positive electrode layer, a negative electrode layer, and an electrolyte layer located between the positive electrode layer and the negative electrode layer in a state where the power generation element is restrained in a stacking direction; and (B) decreasing a restraining pressure on the power generation element after the charge/discharge processing in the (A). At least one electrode layer selected from the group consisting of the positive electrode layer and the negative electrode layer includes an electrode active material having a coefficient of volumetric expansion in a charged state relative to a discharged state of 2% or more and 14% or less.
Resumen de: US20260088280A1
A cathode active material including an interior and an exterior coating on the interior, and a total amount of lithium ions is provided. The interior has a layered metal oxide, the exterior coating has a lithium composite oxide having a spinel structure, and the cathode active material is for a rechargeable lithium battery having an upper charging limit voltage of at least 3.5 volt. The layered metal oxide includes about 70% to 90% of the total amount of lithium ions, and the lithium composite oxide includes about 5% to 20% of the total amount of lithium ions. A method of operating a rechargeable lithium battery including the cathode active material wherein a ratio of initial charge capacity of the interior to initial charge capacity of the exterior coating is about 5 to 50 is also provided.
Resumen de: US20260088271A1
Disclosed are a method for producing an electrode for a galvanic cell, an electrode for a galvanic cell, a galvanic cell, and uses of the galvanic cell. The method comprises: applying a separator membrane to a planar electrode such that an intermediate space is formed between the planar electrode and the separator membrane; subsequently applying a liquid comprising a particular material to the separator membrane, wherein the liquid comprising material penetrates, by way of capillary forces, at least into the pores of the separator membrane, into the intermediate space between the planar electrode and the separator membrane and into pores of the planar electrode, wherein the liquid is subsequently evaporated. The method makes it easily and inexpensively possible to provide an electrode which exhibits a high energy density at the cell level and high chemical, electrochemical and mechanical stability, exhibits high cycle stability and allows high operating currents.
Resumen de: US20260088232A1
The present disclosure relates to an energy storage device including a module case in which a plurality of accommodation spaces are formed, a plurality of bare cells, an cover, and a coupling part coupling the module case to the cover, wherein the module case is in direct contact with the bare cells, the cover includes a cover main body coupled to the module case to cover the accommodation spaces, an outer wall member protruding from a cover facing surface of the cover main body, which faces the module case, in a first direction toward the module case, and an inner wall member protruding from the cover facing surface in the first direction and spaced apart from the outer wall member, and the coupling part includes a first coupling member disposed between the outer wall member and the inner wall member to couple the module case to the cover.
Resumen de: US20260088273A1
An energy storage device can include a cathode, an anode, and a separator between the cathode and the anode. At least one of the electrodes can include an electrode film prepared by a dry process. The electrode film and/or the electrode can comprise a prelithiating material. Processes and apparatuses used for fabricating the electrode and/or electrode film are also described.
Resumen de: US20260088390A1
A vehicle battery heat transfer member according to one embodiment of the present invention, which is disposed between battery cells to transfer heat generated in the battery cells toward a cooling plate, may include a main plate in which cooling channels are formed such that an operating fluid passes through the cooling channels and cover plates coupled to both surfaces of the main plate, wherein a bridge part connecting the cooling channels in a width direction may be formed between the cooling channels in the main plate.
Resumen de: US20260088442A1
Some embodiments relate to the technical field of lithium ion battery diaphragms. Provided are an ultrathin lithium ion battery diaphragm with high mechanical strength and excellent thermal dimensional stability, and a preparation method thereof.
Resumen de: US20260088389A1
This application discloses a negative electrode sheet and a lithium ion battery. In the negative electrode sheet, an active material layer is attached to an inner surface of a negative electrode current collection layer, and a heat transport structure extending from the surface to the interior is configured in the active material layer. The heat transport structure includes a heat transport layer and a heat transport column. The heat transport layer is attached between the active material layer and the lithium replenishment layer. Heat transport holes are opened in the active material layer by laser. Multiple heat transport columns attached to an inner surface of the heat transport layer are inserted into corresponding heat transport holes.
Resumen de: US20260088392A1
The present disclosure relates to a battery module including a plurality of secondary batteries, a housing accommodating the plurality of secondary batteries, a flow path configured to apply a fire extinguishing agent into an internal space of the housing at or greater than a first predetermined temperature, and a cooling sheet positioned in at least one gap between the plurality of secondary batteries and configured to absorb the fire extinguishing agent.
Nº publicación: US20260088387A1 26/03/2026
Solicitante:
HYDAC TECH CORPORATION [US]
HYDAC Technology Corporation
Resumen de: US20260088387A1
The disclosure relates to a temperature control device, particularly for use in the e-mobility sector, at least consisting of a coolant circuit, in which a temperature controller for an electric battery is connected.
BOPI
Sede Electrónica
