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1111
resultados
Última actualización
27/01/2026 [07:19:00]
Resultados 25 a 50 de 1111
Resumen de: US20260024748A1
A negative electrode composition, a negative electrode including the same, and a lithium secondary battery including the negative electrode are provided. The negative electrode composition comprises a porosity securing material and a linear conductive material, and thereby maximizing diffusion of lithium ions while maintaining porosity of the negative electrode, securing conductivity, and lowering resistance of the negative electrode.
Resumen de: US20260024809A1
Embodiments described herein are directed to an electrolyte solution and a lithium-ion secondary battery. The electrolyte solution includes an organic solvent, an electrolyte salt and an additive, wherein the additive includes pyridine boron trifluoride, fluoroethylene carbonate and 1,3,6-hexanetricarbonitrile. The mass percentage content of the pyridine boron trifluoride in the electrolyte solution is 0.1-5%; the mass percentage content of the fluoroethylene carbonate in the electrolyte solution is 0.1-8%; and the mass percentage content of the 1,3,6-hexanetricarbonitrile in the electrolyte solution is 0.1-5%. By means of the synergistic effect of the different types of additives mentioned above, the high-temperature performance and the normal-temperature performance of a high-voltage lithium-ion battery are improved; moreover, the use of sulfur-containing substances can be reduced or even avoided.
Resumen de: US20260024812A1
Electrolytes and rechargeable lithium batteries are disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2.
Resumen de: US20260024835A1
An energy storage charging pile thermal management system includes: a first liquid cooling loop with a first cooling pipeline passes through a battery and a heat exchange module; and a second liquid cooling loop with a second cooling pipeline passes through a charging module and the heat exchange module. First coolant in the first cooling pipeline is insulating or non-insulating liquid. Second coolant in the second cooling pipeline is insulating liquid. The first and second cooling pipelines perform heat exchange through the heat exchange module. A charging converter is electrically connected to the battery. A charging gun is electrically connected to the charging converter and the battery through a charging wiring harness. The charging module includes the charging gun and the charging wiring harness. The second cooling pipeline is disposed along the charging wiring harness and passes through the charging gun.
Resumen de: US20260024841A1
A system for centralized control of electric elements in Phase Change Material (PCM) batteries. The system can activate the electric resistance elements simultaneously with the Heat Pump Water Heater (HPWH) during times of peak demand when the HPWH cannot charge the batteries fast enough. The system activates the electric resistance elements when weather conditions do not permit operation of the HPWH, particularly in low outside air temperatures or for load shifting events or in tandem with the HPWH for enhanced charging for peak demand events. The system activates the electric resistance elements when the HPWH is in defrost mode. The system activates the electric resistance elements when the HPWH is not operational due to an internal fault.
Resumen de: US20260024839A1
A safety system of a battery module comprises a reservoir of a flame retardant for storing the flame retardant connected to the battery module, with a set of at least three battery cells arranged such as to form a space between them for the flowing of the heat transfer medium, and a cooling circuit. The method of operation of the safety system lies in the fact that when the first critical temperature is reached, the access of the flame retardant to the manifold of the heat transfer medium, through which the flame retardant is discharged through the mouths for the outflow of the heat transfer medium into the space for the flowing of the heat transfer medium between the battery cells is open.
Resumen de: US20260024771A1
Provided is a binder composition for a non-aqueous secondary battery electrode that has good tackiness and that enables the formation of an electrode for a non-aqueous secondary battery having excellent peel strength. The binder composition for a non-aqueous secondary battery electrode contains a particulate binder and water. A ratio of an average particle diameter Da of the particulate binder measured by dynamic light scattering at pH 8.0 relative to a volume-average particle diameter Db of the particulate binder measured by laser diffraction/scattering is within a specific range. When viscosity of the binder composition at pH 6.0 and viscosity of the binder composition at pH 8.0 as measured under specific conditions are respectively taken to be η1 and η2, a viscosity increase rate, which is calculated by formula (I): viscosity increase rate={(η2−η1)/η1}, is within a specific range.
Resumen de: US20260024808A1
The present disclosure relates to a polymer solid electrolyte and a preparation method thereof. The polymer solid electrolyte includes a polymer including a cross-linkable functional group; a lithium salt; and a solvent including a first solvent and a second solvent, wherein the polymer solid electrolyte having a cross-linked structure and an amorphous polymer chain including the cross-linkable functional group, and wherein the cross-linked structure includes (a) a cross-linkage between cross-linkable functional groups, (b) a cross-linkage between the cross-linkable functional group and the first solvent, and (c) a linkage between the cross-linkable functional group and the lithium salt.
Resumen de: US20260024805A1
A solid-state battery includes an electrode laminate body in which a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer are laminated in this order, in which: each of the positive electrode active material layer, the solid electrolyte layer, and the negative electrode active material layer contains a sulfide solid electrolyte; a surface moisture amount of the electrode laminate body is 200 ppm to 1500 ppm; and the ratio of the surface moisture amount to a whole moisture amount in the whole of the electrode laminate body is 0.50 to 1.00.
Resumen de: US20260024768A1
A solid-state battery including: a negative electrode layer including: a negative electrode active material including a Li composite oxide; and an oxide glass-based solid electrolyte, in which a content percentage of the solid electrolyte is 20% by mass to 60% by mass based on a total amount of the negative electrode active material and the solid electrolyte in the negative electrode layer, and a ratio (B/A) of an actual density B of the negative electrode active material to a true density A of the negative electrode active material is 0.3 to 0.6.
Resumen de: US20260024807A1
An all-inorganic electrolyte formulation for use in a lithium-ion battery system comprising at least one of each a phosphoranimine, a phosphazene, a monomeric organophosphate and a supporting lithium salt. The electrolyte preferably has a melting point below 0° C., and a vapor pressure of combustible components at 60.6° C. sufficiently low to not produce a combustible mixture in air, e.g., less than 40 mmHg at 30° C. The phosphoranimine, phosphazene, and monomeric phosphorus compound preferably do not have any direct halogen-phosphorus bonds. A solid electrolyte interface layer formed by the electrolyte with an electrode is preferably thermally stable ≥80° C.
Resumen de: US20260024802A1
The present application relates to a lithium secondary battery, including a positive electrode, a silicon-based negative electrode, a separator provided between the positive electrode and the negative electrode, and an electrolyte. The initial efficiency between the positive electrode and the negative electrode and the differences in area, full width, and full length between the positive electrode and the negative electrode can be adjusted to provide cycle improvement in the performance of the lithium secondary battery.
Resumen de: US20260024895A1
A secondary battery, a battery pack, and an electronic device is provided. The secondary battery includes a top cover, a terminal post disposed on the top cover, an electrode assembly, and a rivet. The electrode assembly includes a cell body and a tab protruding from the cell body. A riveting hole is provided on the tab. The rivet is connected to the terminal post and penetrates through the riveting hole to rivet the terminal post and the tab.
Resumen de: US20260024740A1
A method of making a solid-state electrode sheet is provided. The method includes mixing precursors capable of chemically reacting to form a target solid-state electrolyte (SSE) together with one or more of a binder, an electrode active material, and a conductive carbon in a solvent to form a coating slurry. The precursors a undergoes a chemical reaction in the solvent to form the target SSE. The coating slurry is applied onto a current collector. The solvent is evaporated from the coating slurry on the current collector, thereby producing a solid-state electrode sheet having a target SSE. The precursors may be lithium sulfide (Li2S) and phosphorus pentasulfide (P2S5) reacting in a tetrahydrofuran (THF) solvent to produce a sulfide-base SSE such as Li3PS4.
Resumen de: US20260024886A1
An battery includes a housing, an electrode assembly, and a first conductive plate, where the housing includes a first recess; the electrode assembly is disposed in the first recess, the electrode assembly includes a first electrode plate, a second electrode plate, and a separator disposed between the first electrode plate and the second electrode plate, the electrode assembly is formed by winding the first electrode plate, the second electrode plate, and the separator around a winding axis, and the electrode assembly includes a central portion; and the first conductive plate includes a main body portion and a plurality of connection portions arranged in an array around the main body portion, and ends of the connection portions are all spaced apart from each other and each are connected to the first electrode plate. The first conductive plate is connected to a bottom of the first recess.
Resumen de: US20260024882A1
The present application discloses a battery pack comprising a first battery cell pair with a first cell and a second cell. The first cell has a first terminal extending towards the second cell, and the second cell has a second terminal extending towards the first cell. The first terminal has a first terminating portion folded towards the second terminal and extending back towards the first cell, and the second terminal has a second terminating portion folded towards the first terminal and extending back towards the second cell. The battery pack also includes a clip configured to bias the first and second terminals towards each other, disposed in a space between the first and second terminals.
Resumen de: US20260024777A1
The present disclosure relates to a positive electrode current collector for a rechargeable lithium battery, a positive electrode including the positive electrode current collector, and a rechargeable lithium battery including the positive electrode current collector. In particular, the present disclosure relates to a positive electrode current collector including an aluminum alloy current collector; and an aggregate including Cu and Al dispersed inside the aluminum alloy collector, wherein the aggregate includes Cu and Al which satisfy a certain mathematical relationship.
Resumen de: US20260024751A1
The invention relates to a method for producing a silicon electrode as an anode for a lithium ion battery, in which an active layer is deposited on a substrate, preferably copper, and then undergoes a rapid tempering, as well as an anode produced using same. The object of the invention of providing a method, which dispenses with the need for a vacuum section for depositing the active material, in particular silicon, for the production of anodes for lithium ion batteries, and thereby allows for an extremely cost-optimised production of almost pure silicon anodes for lithium ion batteries, is achieved in that the active layer is formed from a silicon and metal particle mixture, which is applied to the substrate in a dry process and stabilised in a controlled manner via the rapid tempering to form a semi-porous active layer and fixed to the substrate.
Resumen de: US20260024801A1
A negative active material for a rechargeable lithium battery includes a core including a SiO2 matrix and a Si grain, and a coating layer continuously or discontinuously coated on the core. The coating layer includes SiC and C, and the peak area ratio of the SiC (111) plane to the Si (111) plane as measured by X-ray diffraction analysis (XRD) using a CuKα ray ranges from about 0.01 to about 0.5.
Resumen de: US20260024804A1
A secondary battery, an electrolyte, and an electric apparatus. The secondary battery includes a positive electrode plate, an electrolyte, a separator, and a negative electrode current collector, where the electrolyte includes a non-aqueous solvent, an electrolytic salt, and an additive; the non-aqueous solvent includes an ether organic solvent; the additive includes a first additive; and the first additive includes one or more of a phosphite additive or a borate additive.
Resumen de: US20260024799A1
A device and a method for bending an electrode tab. The device includes a support configured to support an electrode assembly including at least one electrode tab, a guide above the electrode tab and configured to move in a reciprocating manner toward and away from the electrode tab, and a jig below the electrode tab and configured to move in a reciprocating manner toward and away from the electrode tab. Further, the jig is positioned at a distance from the guide in a direction in which the electrode tab protrudes, and the jig is configured to move toward the electrode tab to press and bend the electrode tab.
Resumen de: US20260024803A1
Disclosed are electrolytes and rechargeable lithium batteries. The electrolyte includes a non-aqueous organic solvent, a phosphorus-based lithium salt, an imide-based lithium salt, and an additive. The additive includes an aliphatic disocyanate compound.
Resumen de: US20260024838A1
A main line for distributing or collecting a medium, in particular a temperature control medium, has a main tube and at least three outlets. The outlets are connected to the main tube, wherein the outlets are each assigned to an opening of the main tube and are connected to the respectively assigned opening. The main tube comprises an axis A and defines an axial direction. The main tube and/or at least one of the outlets comprises an elastomer.
Resumen de: US20260024896A1
A secondary battery includes an electrode assembly including a wound structure of first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode, the electrode assembly including a through-hole at a winding core of the wound structure, a case having an opening at one side thereof, the case accommodating the electrode assembly, a cap assembly that seals the opening of the case, and an insulating sheet between the cap assembly and the electrode assembly, the insulating sheet including a main sheet and a protrusion on the main sheet, and the protrusion being inserted into the through-hole of the electrode assembly.
Nº publicación: US20260024833A1 22/01/2026
Solicitante:
TOYOTA JIDOSHA KK [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Resumen de: US20260024833A1
A method of producing a recycled material includes the following (a) to (d). (a) Preparing a bipolar battery that includes an electrolytic solution and that is sealed. (b) Forming a gas outlet hole on the bipolar battery. (c) Vaporizing at least some of the electrolytic solution by heating the bipolar battery by induction heating. (d) Retrieving the vaporized electrolytic solution from the gas outlet hole.
BOPI
Sede Electrónica
