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1468
resultados
Última actualización
02/04/2026 [07:26:00]
Resultados 1050 a 1075 de 1468
Resumen de: US20260081250A1
The present application relates to a battery and an electrical apparatus. The battery includes a thermal management component and an electrical box. The electrical box includes a case configured to accommodate a heat-generating component and a thermally conductive structure sealingly connected to the case. The thermally conductive structure is configured to connect the heat-generating component to the thermal management component to facilitate heat transfer. The sealing connection between the thermally conductive structure and the case closes connection gaps to prevent liquid infiltration into the interior of the case.
Resumen de: US20260081282A1
A battery cell holder for accommodating a battery cell includes: an upper cover configured to extend around an upper portion of a battery cell while exposing a first electrode terminal of the battery cell; and a lower cover configured to extend around a lower portion of the battery cell while exposing a second electrode terminal of the battery cell, the lower cover and the upper cover being coupled to each other. A pair of parting sides of the upper cover and the lower cover that contact each other when the upper cover and the lower cover are coupled together extend diagonally.
Resumen de: US20260081274A1
An electrochemical device including a first substrate layer is disclosed. The electrochemical device also includes an anode disposed upon the first substrate layer. The device also includes a second substrate layer. The electrochemical device also includes a cathode disposed upon the second substrate layer and an electrolyte composition disposed between and in contact with the anode and the cathode. The electrochemical device also includes an extruded sealing layer composition disposed between the first substrate layer and the second substrate layer. A sealing layer composition and a method of producing a sealing layer is also disclosed.
Resumen de: US20260081149A1
A positive electrode active material, a preparation method thereof, a secondary battery, and an electric apparatus are disclosed. The positive electrode active material is an agglomerate of primary particles. The positive electrode active material internally contains pores located between the primary particles, and the longest connected distance of the pores is not less than 0.5 μm, optionally 1 μm to 5 μm. The positive electrode active material can provide expansion space for the anisotropic volume changes of the primary particles inside the positive electrode active material during cycling, thereby extending the cycle life of a battery. In addition, the interconnected pores are conducive to shortening a transmission path for metal ions (such as lithium ions) within the positive electrode active material, facilitating the deintercalation and intercalation of the metal ions, and further enhancing the kinetic performance of the battery and facilitating the capacity utilization of the battery.
Resumen de: US20260081150A1
According to one embodiment, provided is a nonaqueous electrolyte battery including a positive electrode containing a lithium-containing nickel-cobalt-manganese oxide, a negative electrode containing a lithium titanium-containing oxide, and a nonaqueous electrolyte. A ratio PLi—F/PNi of a peak intensity PLi—F of a highest intensity peak within 682 eV to 685 eV to a peak intensity PNi of a highest intensity peak within 850 eV to 858 eV in an X-Ray photoelectron spectrum of a positive electrode surface is 0.6 or more and 1 or less. A ratio NLi—F/NTi of a peak intensity NLi—F of a highest intensity peak within 682 eV to 685 eV to a peak intensity NTi of a highest intensity peak within 454 eV to 460 eV in an X-Ray photoelectron spectrum of a negative electrode surface is 1.8 or more and 3 or less.
Resumen de: US20260081167A1
Provided is an electrode for an all-solid-state battery, comprising an electrode active material, a solid electrolyte, and a conductive agent, wherein the electrode active material and the solid electrolyte are bonded through the binder, the conductive agent is interposed in pores between the electrode active material and the solid electrolyte, and the conductive agent, the solid electrolyte, and the electrode active material are simultaneously contacted.
Resumen de: US20260081169A1
In general, according to one embodiment, an electrode includes an active material that includes a metal oxide, and a conductive agent that includes a carbon material. A weight of carbon contained in the electrode is 2.5 parts by weight or less, per 100 parts by weight of the active material. The electrode has lightness L* that satisfies 40≤L*≤85.
Resumen de: US20260081163A1
A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The negative electrode includes a negative electrode current collector and a negative electrode mixture layer formed on a surface of the negative electrode current collector. The negative electrode mixture layer contains a negative electrode active material, a first binder, and an isothiazolin-based compound. The first binder is a carboxymethylcellulose compound. The proportion of the mass of the isothiazolin-based compound in the negative electrode mixture layer to the mass of the negative electrode mixture layer is 20 ppm or more and 2000 ppm or less. With the above configuration, permeability of the nonaqueous electrolyte into the negative electrode mixture layer can be increased.
Resumen de: US20260081247A1
Disclosed herein is a process for recycling aluminum hydroxide from a black mass including aluminum, the process including in the given order the steps of leaching in a first leaching step the black mass in an aqueous acid solution; separating the first leaching residue from the first leaching solution; adding in a pH-adjusting step a first aqueous base solution to the first leaching solution; precipitating an Al/Fe precipitate from the first pH-adjusted leaching solution; separating the Al/Fe precipitate from the first pH-adjusted leaching solution; leaching the Al/Fe precipitate in a second aqueous base solution; separating the second leaching residue from the second leaching solution; precipitating in an Al precipitation step an Al precipitate from the second leaching solution; and separating the Al precipitate from the second leaching solution.
Resumen de: US20260081246A1
A method is provided for recycling a cathode active material. The method includes reacting spent cathode active material particles with an alkaline solution to form a reaction mixture containing a metal fluoride and solid cathode active material particles, and filtering the reaction mixture to remove the metal fluoride and separate the solid cathode active material particles from the reaction mixture. The method further includes mixing the solid cathode active material particles with a solid lithium material to form relithiated cathode active material particles, and heating the relithiated cathode active material particles to form the cathode active material. The alkaline solution comprises water and at least one hydroxide selected from the group consisting of: sodium hydroxide, potassium hydroxide and lithium hydroxide. The spent cathode active material particles comprise fluorine and lithium.
Resumen de: US20260081278A1
Structurally integrated battery pack circuitry is disclosed. The structurally integrated battery pack circuitry may include processing circuitry, such as balancing voltage and temperature (BVT) circuitry, mounted in a support structure of an enclosure for a battery pack. The support structure may be a crossmember or a longitudinal member of the enclosure.
Resumen de: US20260081280A1
A battery pack is provided. The battery pack includes a housing, a battery cell group, and a plurality of reinforcing plates. Each of the plurality of reinforcing plates includes a foam adhesive layer and a fiberglass cloth layer. The foam adhesive layer encapsulates the fiberglass cloth layer. The battery cell group is arranged in the housing. Each of two side walls of the battery cell group along a length direction of the battery cell group is arranged with a corresponding one of the plurality of reinforcing plates. The foam adhesive layer is attached to a corresponding one of the two side walls of the battery cell group.
Resumen de: US20260081277A1
A secondary battery cell can be fixed to a battery holder with high reliability. Battery pack 100 includes a plurality of secondary battery cells 1 and battery holder 20 including a plurality of storage tubes 22 that respectively hold the plurality of secondary battery cells 1. Battery holder 20 is divided into at least first divided holder 21A and second divided holder 21B in the length direction of secondary battery cell 1, and first storage tube 22A of first divided holder 21A and second storage tube 22B of second divided holder 21B are joined to form a cell storage space for storing secondary battery cell 1. At least a part of second storage tube 22B has recess 24 formed on at least a part of the inner surface thereof, and adhesive 50 is interposed between recess 24 of storage tube 22 and secondary battery cell 1.
Resumen de: US20260081198A1
The present disclosure provides a secondary battery stacking device. The secondary battery stacking device includes a stacking table configured to position a reel on the stacking table, a ladder frame positioned above the stacking table and having a guide rail along a longitudinal direction, a rotary gripper configured to suction the reel and move the reel along the guide rail, and a reel supply portion configured to supply the reel.
Resumen de: US20260081181A1
A current collector includes a support portion, a first conductive layer, and a second conductive layer. The support portion includes an electrically insulating resin composition. The support portion includes a support layer and an extension portion. The first conductive layer is in contact with the support layer on a first side in a thickness direction of the support layer. The second conductive layer is in contact with the support layer on a second side in the thickness direction. The extension portion extends from the support layer in an orthogonal direction orthogonal to the thickness direction.
Resumen de: US20260081170A1
A sulfur-carbon composite of the present disclosure includes a crosslinked block copolymer, and the crosslinked block copolymer is manufactured from a block copolymer comprising a first block including a first repeating unit having a pyrene group at a terminal and a second block including a second repeating unit having a cationic functional group. As the crosslinked block copolymer is coated on the sulfur-carbon composite, it may be possible to prevent migration of lithium polysulfide leaking from a positive electrode of a lithium-sulfur battery to a negative electrode. Accordingly, it may be possible to prevent sulfur particle accumulation on lithium metal surface of the negative electrode, thereby maintaining charge/discharge capacity of the lithium-sulfur battery and improving battery life.
Resumen de: US20260081175A1
A lithium secondary battery structure having a first electrode including a first conductive current collector having an active material layer formed on at least one surface; a second electrode including a second conductive current collector having an active material layer formed on at least one surface; and a plurality of battery units including a separator formed between active material layers of the first and second electrodes facing each other is provided. The first or second conductive current collector is a metal current collector, or a composite conductive current collector having a metal layer formed on a polymer substrate for each battery unit. The metal current collector to composite conductive current collector ratio within the total battery structure is in a range of 5:1 to 1:5.
Resumen de: US20260081182A1
An electrode assembly includes an electrode having a laminated foil disposed between a first active material layer and a second active material layer, where the laminated foil includes a polymer substrate disposed between a first laminate layer and a second laminate layer. The electrode assembly also includes a plurality of perforations extending through the first active material layer, the second active material layer, and the laminated foil.
Resumen de: US20260081180A1
The current collector includes: a first layer that includes Al; a second layer that is disposed on the first layer and includes a metal element M, the metal element M having an oxidation-reduction potential based on Li of 2.3V or more and not being an amphoteric element; and a third layer that is disposed on the second layer and includes a resin.
Resumen de: US20260081243A1
A module interface device for a multi-cell battery module comprises a cathode bus connectable to a cathode terminal and an anode bus connectable to an anode terminal of the battery module, and a set of one or more inter-cell taps connectable to respective inter-cell electrical interconnectors that interconnect neighboring pairs of cells of the battery module. The module interface devices comprises a cell balancing circuit that includes: an electrically conductive pathway that joins the cathode bus with the anode bus, a set of multiple resistive-capacitive elements arranged along the electrically conductive pathway, and a set of one or more switches in which a respective switch is located along each inter-cell tap. Each inter-cell tap joins the electrically conductive pathway at a respective location between a different neighboring pair of resistive-capacitive elements.
Resumen de: US20260081275A1
A rotator includes a rotating portion and a device fixed to the rotating portion, and the device includes a substrate and a flat secondary battery connected to the substrate via a terminal. The secondary battery includes an exterior body and a positive electrode and a negative electrode disposed in the exterior body. The exterior body includes a positive electrode can and a negative electrode can. The flat secondary battery is disposed in such a manner that one of the positive electrode can and the negative electrode can having a larger expansion amount on a central axis of the exterior body than the other of the positive electrode can and the negative electrode can faces the substrate, when the flat secondary battery expands due to a high temperature in a charging state of the flat secondary battery.
Resumen de: US20260081242A1
A battery management system using a battery temperature prediction model includes: a transmission/reception device for receiving information of a vehicle, a temperature control device for requesting prediction of a battery temperature at a destination arrival time point by using destination information and perform battery conditioning control by using a predicted battery temperature value according to a request result, and a temperature prediction device for outputting the predicted battery temperature value at the destination arrival time point by inputting the information to a battery temperature prediction model, which is provided in advance, in accordance with the request for the prediction of the battery temperature.
Resumen de: US20260081244A1
A cell module assembly includes battery cells and a controller. The controller is programmed to receive useful life data for a useful life indicator of the battery cells, save the life data to memory to create a life data history, determine a life measurement based on the life data history, compare the life measurement to a first end of life threshold, determine if the life measurement has met the first end of life threshold, provide a first end of life output indicating that the life measurement has met the first end of life threshold, compare the life measurement to a second end of life threshold, determine if the life measurement has met the second end of life threshold, and provide a second end of life output indicating that the life measurement has met the second end of life threshold.
Resumen de: US20260081158A1
An anode material having 0.8≤0.06×(Dv50)2−2.5×Dv50+Dv99≤12, where Dv50 represents a numerical value of a particle size measured at a cumulative volume of 50% in a volume-based particle size distribution of the anode material, and Dv99 represents a numerical value of a particle size measured at a cumulative volume of 99% in the volume-based particle size distribution of the anode material, wherein Dv50 and Dv99 are expressed in μm. The anode material is capable of significantly improving the rate performance of electrochemical devices.
Nº publicación: US20260081136A1 19/03/2026
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Resumen de: US20260081136A1
Aspects of the disclosure include the electrochemical deposition of a metal oxide coating on cathode active materials and resulting battery cells. 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, an anode active material layer in direct contact with a surface of the anode current collector, a cathode current collector, a cathode active material layer in direct contact with a surface of the cathode current collector, and a separator positioned between the anode active material layer and the cathode active material layer. The cathode active material layer includes cathode active materials having a metal oxide coating. The metal oxide coating is electrochemically deposited onto the cathode active materials.
BOPI
Sede Electrónica
