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33
resultados
Última actualización
30/07/2025 [06:45:00]
Resumen de: FR3158469A1
L’invention concerne un véhicule automobile comprenant une source de chaleur (S) et un système de refroidissement pour refroidir la source de chaleur (S), le système de refroidissement comprenant :- un radiateur (R) ;- au moins une pompe de circulation (P) ;- au moins un échangeur de chaleur (HE) ;- au moins une turbine (T) connectée à une génératrice (G) ;- au moins un premier circuit de refroidissement (C1) comprenant un premier fluide, connectant le radiateur (R) à ladite pompe (P), puis audit échangeur de chaleur (HE), puis à ladite turbine (T) ; et- au moins un deuxième circuit de refroidissement (C2) comprenant un deuxième fluide, connectant ledit échangeur de chaleur (HE) à la source (S). L’invention concerne également un procédé sur la base d’un tel véhicule. Figure 2
Resumen de: WO2025155901A1
Embodiments described herein relate generally to systems and methods for continuously and/or semi-continuously manufacturing semi-solid electrodes and batteries including semi-solid electrodes. The methods include disposing a portion of a current collector material into a gap between a first arc-shaped member and a second arc-shaped member, disposed along an outside edge of a drum, and moving the first arc-shaped member with respect to the second arc-shaped member to at least partially close the gap, causing the current collector material to frictionally engage with a portion of both arc-shaped members. The method further includes dispensing a semi-solid electrode material onto a surface of the first arc-shaped member and the second arc-shaped member. Subsequently, the second arc-shaped member is moved with respect to the first one, re-establishing the gap and resulting in the formation of two discrete portions of electrode material on the surface of the current collector material.
Resumen de: WO2025155782A1
A grid-connected electric vehicle charging station system and method. Installing electric vehicle charging stations are typically high in cost, particularly due to requiring the utility grid to be upgraded to increase the electrical power routed to a respective customer site. In contrast, the system and method disclosed are low-footprint behind-the-meter solution that does not require any upgrade to the utility grid and that use the existing power capacity at a customer site. More particularly, the system and method rely on renewable energy sources, such as photovoltaics and batteries, as the primary source of energy to power the electric vehicles and rely on the utility grid connection for backup (limited to the existing electrical power routed to the respective customer site). In this way, the grid-connected electric vehicle charging station system and method may enable powering of electric vehicles while still allowing for easy installations at a customer site
Resumen de: WO2025155961A1
Disclosed herein is a binder material including (1) a copolymer of styrene and (meth)acrylate and (2) one or more surfactants. In some aspects, a supernatant is obtained from a sample of an emulsion of the binder material, and a supernatant extract is obtained by filtering and drying the supernatant. Estimated masses of CH2CH2O- (PEG) units and C6H5- (aromatic) units in the supernatant extract are quantified by proton nuclear magnetic resonance (1H NMR) measurements. In some embodiments, a mass ratio of the CH2CH2O- (PEG) units to the C6H5- (aromatic) units is about 6.0 or less and about 0.1 or greater. Also disclosed are battery electrodes and lithium-ion batteries that employ such binder materials. Related methods of making binder materials, battery electrodes, and lithium-ion batteries are also disclosed.
Resumen de: WO2025155411A1
An energy cell system includes multiple energy cell strings, multiple switching modules, and a control circuit. Each of the energy cell strings includes multiple energy cells connected in series and the multiple switching modules are connected between the multiple energy cells of different energy cell strings. The control circuit is configured to detect a charge level of a first subset of one or more energy cells of a first energy cell string, activate a switching module to connect a second subset of one or more energy cells of another energy cell string to the first subset of energy cells to change the charge level of the first subset of energy cells, and deactivate the switching module in response to the change in the charge level of the first subset of energy cells.
Resumen de: WO2025155409A1
This disclosure describes a battery tower design (106) using pouch cell or blade cell batteries (110) to build modular towers and assemble battery units to fit within electrified heavy-duty equipment (100). The battery units are modular to enable expansion of the battery units horizontally and/or vertically to fit within irregular-shaped compartments originally intended for non-electric powertrain components. The battery towers are modular units with frames (108) for holding battery cells (110) with their width in a vertical direction and stacking the cells (110) vertically along a length of a frame (108) that includes passive and active cooling components (308, 310).
Resumen de: US2025239604A1
A powderous positive electrode material comprises single crystal monolithic particles comprising Ni and Co and having a general formula Li1+a(Niz(Ni1/2Mn1/2)yCox)1−kAk)1−aO2, wherein A is a dopant, −0.03≤a≤0.06, 0.05≤x≤0.35, 0.10≤z≤0.95, x+y+z=1 and k≤0.05. The particles have a particle size distribution with a D50 between 2.0 μm and 8.0 μm and with a span≤1.5.
Resumen de: US2025239605A1
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes: a first positive electrode plate, where the first positive electrode plate includes a first positive active layer, the first positive active layer includes a first positive electrode material, and the first positive electrode material includes a ternary material; a second positive electrode plate, where the second positive electrode plate includes a second positive active layer, the second positive active layer includes a second positive electrode material, and the second positive electrode material includes a lithium-containing phosphate; and a negative electrode plate, where the negative electrode plate and the positive electrode plate are stacked up.
Resumen de: US2025239621A1
The invention concerns a treated copper foil for use in a secondary battery with a first side and a second side opposite to the first side. The treated copper foil comprises a copper foil with two opposite surfaces and a treatment stack arranged on each one of the surfaces of the copper foil, a side of the treated copper foil corresponding to a surface of the copper foil with its respective treatment stack. The treatment stack comprises a structuration layer and at least one functional layer. Each one of the first side and the second side has a Rz between 1.0 and 3.0 μm, preferably 1.5 and 2.5 μm, and a Sk between 1.0 and 3.0 μm.
Resumen de: US2025239615A1
A main object of the present disclosure is to provide a cathode mixture capable of suppressing an increase in resistance caused by an increase in potential of a cathode active material layer. The present disclosure achieves the object by providing a cathode mixture comprising a cathode active material, a first solid electrolyte, a first conductive material which is a conductive polymer, and a second conductive material which is a fibrous carbon material.
Resumen de: US2025239599A1
A composite cathode is disclosed, as well as a method for making the composite cathode and an all-solid-state battery including the composite cathode. The composite cathode includes: a plurality of sulfur particles having an average particle size from about 5 μm to 10 μm; a plurality of sulfur-containing solid electrolyte particles of formula Li6PS5X, wherein X═Cl, Br, or I; and a conductive material including a plurality of acetylene black carbon particles. The acetylene black carbon particles have a mean particle size from 10 nm to 100 nm, a BET specific surface area from 50 m2g−1 to 150 m2g−1, and a para-crystalline structure. The sulfur particles, sulfur-containing solid electrolyte particles, and conductive material are ball milled to form a milled mixture; and pressured to form the composite cathode.
Resumen de: US2025239602A1
In one aspect, a method for Li ion product for accessible energy density optimization, comprising: providing a cathode active material; optimizing a cathode aerial density between for a high C-rate energy density retention; optimizing a cathode thickness during a post pressing for the high C-rate energy capacity and energy density retention; optimizing an N:P ratio the anode for the high C-rate energy and energy density retention; optimizing a loading for the high C-rate energy and energy density retention of a cathode mixture slurry solids; optimizing a cathode electrode wet thickness post coating for the high C-rate energy and energy density retention; and optimizing a cathode thickness post drying in a coat and a dry oven for the high C-rate energy and energy density retention.
Resumen de: US2025239658A1
A battery has a positive electrode active material layer, a negative electrode active material layer, and an electrolyte layer, arranged between the positive electrode active material layer and the negative electrode active material layer. And at least one of the positive electrode active material layer, the negative electrode active material layer, and the electrolyte layer contains a Li—Al halide-based molten salt, the Li—Al halide-based molten salt contains a first salt as a main component and a second salt as an added component. The first salt is a Li—Al halide salt at least containing LiAlCl4, and the second salt is an ionic liquid.
Resumen de: US2025239619A1
A flexible battery with high safety or durability is provided. The flexible battery includes a negative electrode and a positive electrode. The negative electrode includes a first material containing carbon, a first current collector, and a negative electrode active material formed in the first current collector. The first material containing carbon wraps the first current collector and the negative electrode active material. The positive electrode includes a second material containing carbon, a second current collector, and a positive electrode active material formed in the second current collector. The second material containing carbon wraps the second current collector and the positive electrode active material.
Resumen de: US2025239598A1
The present disclosure provides a negative electrode material and a preparation method thereof, a secondary battery, and a power-consuming device. The negative electrode material in the present disclosure is of a core-shell structure including an inner core and an outer shell. The inner core is a negative electrode active material. The outer shell includes a first shell layer coating a surface of the inner core and a second shell layer coating a surface of the first shell layer, the first shell layer is a transition metal compound layer, the second shell layer is a conducting layer, a maximum thickness of the first shell layer is less than or equal to 10 nm, and the second shell layer is a carbon layer. A total thickness of the outer shell is less than or equal to 15 nm.
Resumen de: US2025239601A1
A main object of the present disclosure is to provide a composite particle capable of suppressing a battery resistance. The present disclosure achieves the object by providing a composite particle including: a plurality of active material containing a Si element or a Sn element; and a binder, wherein, when a cross-section of the composite particle is observed, the composite particle includes a first portion containing the active material, and a second portion not containing the active material, and a rate of the second portion in the composite particle is 55% or less.
Resumen de: US2025239595A1
A coated active material includes: an electrode active material; and a coating layer that covers the electrode active material, wherein: the electrode active material includes a Li element, an M element, and an O element; M is a metal other than Li, and at least includes Ni; a molar ratio (Ni/M) of Ni to M is 80% or more; the coating layer includes a B element, a P element, a La element, and an O element; and a molar ratio (La/P) of the La element to the P element is 0.005 or more and 0.15 or less.
Resumen de: US2025239594A1
A coated active material, includes: an electrode active material; and a coating layer that covers the electrode active material and contains a coating material including a B element, a P element, and an O element, wherein: a moisture amount X generated in the coated active material in a temperature range of 120° C. or more and 180° C. or less is 10.0 ppm or less; and a coverage of the coating layer with respect to the electrode active material is larger than 67%.
Resumen de: US2025239618A1
A cathode lithium-supplementing additive, which includes a lithium-supplementing material and a coating layer coated on a surface of the lithium-supplementing material, and a material of the coating layer includes carbon and/or nitrogen. Due to the inclusion of the lithium-supplementing material, when the battery is in the first cycle of charging, the lithium-supplementing material can supplement the lithium ions consumed by the anode in the formation of the SEI film, so that the lithium ions in the battery system remain abundant, thereby improving the initial charging efficiency and overall electrochemical performance of the battery. Since the coating layer contained is coated on the surface of the lithium-supplementing material, the coating layer can isolate the lithium-supplementing material from contact with the air, and can avoid corrosion of the highly active lithium-supplementing material by water, oxygen, and carbon dioxide in the air, thus improving the stability of the lithium-supplementing material.
Resumen de: US2025239653A1
An electrolyte of this application includes a first additive represented by formula ( ) shown below, where R is selected from one or more of halogen and MO-, and M is selected from alkali metal. A battery includes the electrolyte, as well as an electric apparatus includes the battery.
Resumen de: US2025239612A1
The present disclosure provides a negative electrode waterborne slurry composition comprising a binder; optionally a dispersant comprising a copolymer comprising (a) constitutional units comprising the residue of a monomer comprising a nitrogen-containing heterocycle and (b) constitutional units comprising the residue of an alkyl ester of a (meth)acrylic acid and/or the residue of an acid-functional ethylenically unsaturated monomer, wherein the dispersant comprises 1% to 50% by weight of constitutional units comprising the residue of a monomer comprising a nitrogen-containing heterocycle and the % by weight is based on the total weight of the dispersant; a negative electrode active material; optionally a poly(2-alkyl or aryl oxazoline) polymer, wherein at least one of the dispersant and the poly(2-alkyl or aryl oxazoline) polymer are present; and an aqueous medium. Also disclosed are negative electrodes and electrical storage devices.
Resumen de: US2025239606A1
A lithium secondary battery includes a cathode having a cathode active material, an anode having an anode active material, a separator, and an electrolyte. The cathode active material comprises a lithium composite transition metal compound having Ni, Co, and Mn, and has single particles and/or pseudo-single particles. Each single particle consists of one nodule, and each pseudo-single crystal is a composite of 30 or fewer nodules. The single particles and/or pseudo-single particles have an average particle diameter (D50) of 1 μm or more.
Resumen de: US2025239584A1
A reinforcement and/or filler element is added to the thermoplastic resin intended for use in the anode elements of secondary batteries to make the electrically insulating thermoplastic material a conductive material and to impart energy storage properties. In this way, it has been made possible to use a thermoplastic composite material developed with electrical conductivity and energy storage properties as an alternative to the traditionally used carbon derivated to single-layer anode without the use of copper plate.
Resumen de: AU2023387915A1
A battery module discharge calibration apparatus and a battery module discharge calibration method. The battery module discharge calibration apparatus comprises: a battery module interface, used for connecting a battery module; a load assembly, the load assembly being electrically connected to the battery module interface, and when the battery module is connected to the battery module interface, the load assembly being used for consuming electric energy output by the battery module; and an electric control assembly, a communication end of the electric control assembly being connected to the battery module interface, and a control end of the electric control assembly being connected to the load assembly. The electric control assembly is used for acquiring battery cell parameters in the battery module when the battery module is connected to the battery module interface, and controlling, according to the battery cell parameters, the load assembly to consume the electric energy output by the battery module. When determining, according to the battery cell parameters, that the voltage of the battery module reaches a preset voltage threshold value, the electric control assembly is further used for adjusting the output current of the battery module according to the battery cell parameters, and performing SOC calibration for the connected battery module. The present application can solve the problem of existing calibration apparatuses being complex to use.
Nº publicación: AU2024408036A1 24/07/2025
Solicitante:
KOREA ZINC CO LTD
KEMCO
KOREA ZINC CO., LTD,
KEMCO
Resumen de: AU2024408036A1
A manufacturing method for a positive electrode active material precursor according to the present invention comprises: a first step of producing nuclei of the precursor; and a second step of growing the nuclei produced in the first step, wherein, in the first and second steps, the flow rate with which a transition metal compound solution is added into a batch-type reactor is 15-55mLA/min, and the agitation speed in the reactor is 200-875rpm in the first step and 475rpm or lower in the second step.
BOPI
Sede Electrónica
