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1468
resultados
Última actualización
02/04/2026 [07:26:00]
Resultados 1075 a 1100 de 1468
Resumen de: US20260081137A1
A positive electrode material includes a first positive electrode active material and a second positive electrode active material. The first positive electrode active material has an average particle diameter (D50) of 10 μm to 30 μm and the second positive electrode active material has a smaller average particle diameter than the first positive electrode active material. An equivalent weight of lithium in the first positive electrode active material and an equivalent weight of lithium in the second positive electrode active material are different.
Resumen de: US20260081133A1
Disclosed is a preparation method for a zinc electrode, including: a step of dissolving a water-soluble calcium salt of organic acid in deionized water to obtain a first mixed solution; a step of preparing a negative electrode slurry by mixing the first mixed solution, a water-soluble binder, a thickener, and an active material including zinc oxide; and a step of preparing the zinc electrode by applying the slurry to a surface of a current collector and baking it at a high temperature. Further disclosed is a zinc electrode prepared by the preparation method, and use of the zinc electrode in an alkaline nickel-zinc battery. The zinc electrode prepared in the present disclosure can not only effectively improve the deformation thereof and solve the growth problem of zinc dendrites, but also contribute to increasing the utilization rate of an active material of the zinc electrode and improving the cycle performance of the alkaline nickel-zinc battery.
Resumen de: US20260081162A1
A method of manufacturing a battery cell includes forming an electrode and coating the electrode with an n-mer solution. The n-mer coated electrode is treated by heat, ultraviolet, or cross-linking agents to polymerize the n-mer and form an ion exchange material that covers at least some of the electrode.
Resumen de: US20260081239A1
A battery system includes a plurality of battery packs and a battery management system (BMS). The battery packs include a first battery pack and a second battery pack. The first battery pack includes a first plurality of battery cells, a first fuse, and first terminals. The second battery pack includes a second plurality of battery cells, a second fuse, second terminals, and a short circuit path extending between the second terminals. The second terminals are electrically connected in parallel with the first terminals. The BMS is configured to monitor operational parameters of the battery packs, detect a fault condition in at least one of the battery packs; and initiate a short circuit across the second terminals of the second battery pack via the short circuit path. The short circuit results in a current that causes the first fuse or second fuse to blow to electrically isolate the battery packs.
Resumen de: US20260081240A1
The present disclosure relates to a battery management method, a battery management apparatus, and an electronic device. The battery management method includes: acquiring a current power level of a battery for the electronic device when the electronic device receives a wake-up signal; determining an operation mode of the electronic device according to the current power level of the battery, wherein a maximum power in the determined operation mode is supportable by the current power level of the battery; and controlling the electronic device to operate in the determined operation mode.
Resumen de: US20260081238A1
Embodiments of the present application provide a separator, a preparation method thereof, a secondary battery, and an electric apparatus. The separator includes a first base film, a coating, and a second base film, where the coating is disposed between the first base film and the second base film, the coating includes an ion-trapping agent, and a reduction potential of the ion-trapping agent relative to lithium metal is 0 V to 2 V. A secondary battery containing the separator exhibits improved cycling performance.
Resumen de: US20260081235A1
A secondary battery comprises: an electrode body obtained by winding a negative electrode in which a negative electrode mixture layer is formed on a negative electrode core body and a positive electrode. The secondary battery is characterized in that: the negative electrode has, at the winding direction inner-end side of the electrode body, a non-facing part which does not face the positive electrode with the separator therebetween; the non-facing part has a mixture non-facing part in which the negative electrode mixture layer is formed on at least one surface of the negative electrode core body, from the winding direction outer end of the non-facing part and toward the winding direction inner side; and the average value of a mixture surface distance which is between the mixture non-facing part and the negative electrode positioned one turn outward of the mixture non-facing part is not less than 90 μm.
Resumen de: US20260081165A1
This application provides a negative electrode plate, a method for preparing a negative electrode plate, and a lithium-ion battery. The negative electrode plate includes: a negative current collecting layer; and a lithiated binding layer, attached to an inner surface of the negative current collecting layer, where a lithiation degree of a side of the lithiated binding layer away from the inner surface is greater than a lithiation degree of a side of the lithiated binding layer close to the inner surface. According to the technical solutions in this application, the lithiated binding layer in the negative electrode plate has a conductive gradient and a binding gradient, which resolves the problem of detachment in a negative electrode plate with a conventional binder, increases a rate of battery kinetics, and increases initial coulombic efficiency of a lithium-ion battery, increasing capacity of the lithium-ion battery.
Resumen de: US20260081055A1
An insulation device for a busbar includes a support and at least one cover made of electrically insulating material and attached to the support. The at least one cover is slidably mounted on the support by at least one guide member.
Resumen de: US20260081082A1
A method for fabricating an ionic liquid electrolyte such as a spiro-based ionic liquid electrolyte, the method has the steps of: synthesizing an intermediate spiro-based product, and applying an ionic exchange process to the intermediate spiro-based product to obtain the ionic liquid electrolyte. The obtained an ionic liquid electrolyte comprising an ionic liquid salt with a cation of: (I) The ionic liquid electrolyte may be used in an electrochemical energy-storage apparatus such as a supercapacitor.
Resumen de: US20260080981A1
Disclosed is a method for designing the composition of a layered structure of Li3YCl6 compound exhibiting enhanced ionic conductivity, which provides a method for designing the composition of a lithium yttrium halide solid electrolyte with a hexagonal close-packed structure, the method being executed by a processor, the method including: calculating possible diffusion paths for lithium ions to migrate an adjacent octahedral site in the a-b plane in each consecutive layer constituting a unit cell with a hexagonal close-packed structure; calculating the activation barrier energy for lithium ion diffusion for each of the calculated diffusion paths; and determining the occupancy of yttrium within the unit cell to form a percolation state where diffusion paths with a low calculated activation barrier energy are connected within the unit cell.
Resumen de: US20260079805A1
Systems and methods for estimating battery surface temperatures comprise generating a core temperature estimate for the battery based on a battery model. A set of lumped temperature states may be generated based on the core temperature, the set of lumped temperature states comprising temperature estimates for different regions of the battery. Additional condensed information may be retrieved relating to the battery. A surface temperature map may be generated for the battery based on the set of lumped temperature states and the additional condensed information using a mapping function.
Resumen de: US20260081252A1
This application discloses a packaging bag, a secondary battery, and an electronic device, where the packaging bag includes an encapsulation layer, a metal layer, an adhesive layer, and a packaging layer arranged in a stacked manner. The adhesive layer includes a first thermally conductive material, where a mass percentage of the first thermally conductive material in the adhesive layer is denoted as G1, and 1%≤G1≤30%. By incorporating the first thermally conductive material into the adhesive layer, heat generated during operation of the secondary battery can be more effectively conducted away, mitigating temperature rise inside the secondary battery, thereby improving the performance and safety of the secondary battery. Additionally, this enables more uniform heat distribution between the interior of the secondary battery and the packaging bag, reducing localized overheating and extending the service life of the secondary battery.
Resumen de: US20260081241A1
A battery assembly includes a battery cell that accommodates an electrode assembly and includes a first electrode terminal on a first side surface of the battery cell and a second electrode terminal on a second side surface of the battery cell different from the first side surface, a protective circuit module on the first side surface of the battery cell, and a connection unit electrically connecting the first electrode terminal to the protective circuit module and the second electrode terminal to the protective circuit module.
Resumen de: US20260081236A1
A secondary battery, a pack, and an electronic apparatus are provided. The secondary battery includes an electrode assembly formed by sequentially stacking and winding a first electrode sheet, a first separator, a second electrode sheet, and a second separator and an insulating film configured to fix a tail end of the electrode assembly. A protruding end of a tail end of the first separator and a tail end of the second separator constitutes the tail end of the electrode assembly. A tail end of the second electrode sheet extends beyond a tail end of the first electrode sheet. The tail end of the electrode assembly extends beyond the tail end of the second electrode sheet. A starting end of the insulating film extends beyond the tail end of the electrode assembly.
Resumen de: US20260081254A1
Fluid-cooled electrochemical cell configurations and related articles, systems, and methods are generally described.
Resumen de: US20260081258A1
A battery enclosure system and method are disclosed. The battery enclosure system may include a housing configured to enclose battery cells. The housing may include one or more baffles extending along a first direction, each baffle including a first section disposed along the first direction and a second section angled from the first section by a baffle angle. The housing may also include one or more first fans coupled to a first side wall and one or more second fans coupled to a second side wall, which is at an opposing end of the housing relative to the first side wall along the first direction. Additionally, the housing may include a set of battery cells disposed along a floor of the housing and a controller with one or more processors configured to execute a set of program instructions stored in a memory.
Resumen de: US20260081234A1
A secondary battery, including an electrode assembly including a first electrode, a second electrode, and a separator therebetween, a case including a bottom portion, a side wall portion connected to the bottom portion, and an opening portion facing the bottom portion, the case accommodating the electrode assembly, and a cap assembly coupled to one end of the side wall portion of the case to seal the opening portion, wherein the case includes a groove region formed on an inner peripheral surface of the side wall portion.
Resumen de: US20260081174A1
A secondary battery, a preparation method, and an electric device. The secondary battery includes a positive electrode plate, a separator, a negative electrode plate and an electrolyte, where the negative electrode plate includes a lithium metal sheet and a modification layer disposed on at least one surface of the lithium metal sheet, and the modification layer includes phosphate and lithium metal alloy. The surface of the lithium metal sheet is provided with the modification layer which can effectively conduct lithium ions, and the lithium metal alloy is able to achieve uniform deposition of lithium ions, prevent the growth of lithium dendrites, and improve the electrochemical and safety performance of the battery.
Resumen de: US20260081179A1
A composite substrate includes a polymer layer extending in a first direction, and a first metal layer and a second metal layer on opposite sides of the polymer layer, respectively, the opposite sides of the polymer layer being spaced apart from each other in a second direction that is a thickness direction of the polymer layer, wherein each of the first metal layer and the second metal layer protrudes farther than an end of the polymer layer, and wherein a first protrusion protruding from the first metal layer and a second protrusion protruding from the second metal layer are joined to each other.
Resumen de: US20260081176A1
The present disclosure relates to an electrode assembly, a secondary battery, and a method for manufacturing the electrode assembly. The electrode assembly according to an embodiment of the present disclosure may include a first electrode, a second electrode, and a separator positioned between the first electrode or the second electrode. At least one of the first electrode and the second electrode may include an insulating layer, a first conductive layer, and a second conductive layer, where the first conductive layer and the second conductive layer are respectively positioned on opposite surfaces of the insulating layer, and one end of each of the first conductive layer and the second conductive layer may extend beyond the insulating layer in a longitudinal direction.
Resumen de: US20260081177A1
An electrode assembly includes a first electrode plate group and a second electrode plate group stacked along a first direction. Along a second direction, a length of the first electrode plate group is greater than a length of the second electrode plate group, the second direction is perpendicular to the first direction. The first electrode plate group includes a first electrode plate closest to the second electrode plate group, where the first electrode plate includes a current collector. The current collector includes a first region and a second region, both sides of the first region are provided with an active material layer, the second region is provided with the active material layer only on a side facing away from the second electrode plate group. The first region at least partially overlaps with the first electrode plate group.
Resumen de: US20260079209A1
The present disclosure relates to a system for predicting a life of a battery. The system may include a training data generation device configured to generate first data comprising life data of a reference battery and profile data for each battery degradation mode of the reference battery. The system may further include a prediction model generation device configured to generate, based on the first data, one or more life prediction models to predict profile data for each battery degradation mode with initial life data of a target battery as input. The system may also include a life prediction device configured to predict a life of the target battery based on second data comprising profile data for each battery degradation mode predicted by the one or more life prediction models.
Resumen de: US20260079208A1
A method of predicting an electrical performance of a secondary battery. The method includes receiving design conditions of the secondary battery, receiving experiment data of the secondary battery, obtaining model parameters based on the experiment data and an electrochemical model, generating an electrochemical model library including the model parameters, and predicting the electrical performance of the secondary battery, having the design conditions, based on the electrochemical model library. The design conditions of the secondary battery include at least one of an electrode condition or an active material condition.
Nº publicación: US20260079068A1 19/03/2026
Solicitante:
GM GLOBAL TECH OPERATIONS LLC [US]
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Resumen de: US20260079068A1
A system configured to detect leakage of an electrolyte from a battery cell. The system includes: a probe configured to contact the battery cell and create an air-tight connection between the probe and the battery cell over a fill port of the battery cell that has been closed with a seal; a pump in fluid communication with the probe, the pump configured to draw a vacuum through the probe; a housing defining a chamber including a window, the probe extends from the housing, the pump is connected to the housing to draw the vacuum through the probe into the chamber; and a sensor configured to detect presence of the electrolyte within the chamber pulled from the battery cell through the seal of the fill port by the vacuum generated by the pump, presence of the electrolyte within the chamber is indicative of the seal of the fill port of the battery cell being compromised.
BOPI
Sede Electrónica
