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1114
resultados
Última actualización
03/02/2026 [07:09:00]
Resultados 25 a 50 de 1114
Resumen de: WO2026022214A1
The invention relates to a continuous process for the preparation of a mixed dialkyl carbonate of formula R1O(C=O)OR2 by reacting a first dialkyl carbonate of formula R1O(C=O)OR1 and a second dialkyl carbonate of formula R2O(C=O)OR2, wherein R1 and R2 are different alkyl groups and R2 contains more carbon atoms than R1, said process comprising: (a) reacting the first and second dialkyl carbonates in a reactor resulting in a product stream comprising the mixed dialkyl carbonate and unconverted first and second dialkyl carbonates; (b) separating the unconverted first and second dialkyl carbonates from the product stream resulting from step (a) and recycling the separated unconverted first and second dialkyl carbonates to step (a), wherein the total feed stream to step (a) comprises the mixed dialkyl carbonate in an amount of higher than 0.3 mol% and has a molar ratio of the second dialkyl carbonate to the first dialkyl carbonate which is lower than 2:1.
Resumen de: WO2026022213A1
The invention relates to a continuous process for the preparation of a mixed dialkyl carbonate of formula R1O(C=O)OR2 by reacting a first dialkyl carbonate of formula R1O(C=O)OR1 and a second dialkyl carbonate of formula R2O(C=O)OR2, wherein R1 and R2 are different alkyl groups and R2 contains more carbon atoms than R1, said process comprising: (a) reacting the first and second dialkyl carbonates in a reactor resulting in a product stream comprising the mixed dialkyl carbonate, unconverted first and second dialkyl carbonates and light components; (b) separating the product stream resulting from step (a) into a top stream comprising the light components and a bottom 1stream comprising the unconverted first and second dialkyl carbonates and the mixed dialkyl carbonate; (c) separating the bottom stream resulting from step (b) into a top stream comprising the unconverted first dialkyl carbonate and a bottom stream comprising the second dialkyl carbonates and the mixed dialkyl carbonate; (d) recycling the top stream resulting from step (c) to step (a); (e) separating the bottom stream resulting from step (c) into a top stream comprising the mixed dialkyl carbonate and a bottom stream comprising the unconverted second dialkyl carbonate; (f) recycling the bottom stream resulting from step (e) to step (a).
Resumen de: WO2026022211A1
The invention relates to a continuous process for the preparation of a mixed dialkyl carbonate of formula R1O(C=O)OR2 by reacting a first dialkyl carbonate of formula R1O(C=O)OR1 and a second dialkyl carbonate of formula R2O(C=O)OR2, wherein R1 and R2 are different alkyl groups and R2 contains more carbon atoms than R1, said process comprising: (a) reacting the first and second dialkyl carbonates in a reactor resulting in a product stream comprising the mixed dialkyl carbonate, unconverted first and second dialkyl carbonates and light components; (b) separating the product stream resulting from step (a) into a top stream comprising the unconverted first dialkyl carbonate and the light components and a bottom stream comprising the unconverted second dialkyl carbonate and the mixed dialkyl carbonate; (c) separating the top stream resulting from step (b) into a top stream comprising the light components and a bottom stream comprising the unconverted first dialkyl carbonate; (d) recycling the bottom stream resulting from step (c) to step (a); (e) separating the bottom stream resulting from step (b) into a top stream comprising the mixed dialkyl carbonate and a bottom stream comprising the unconverted second dialkyl carbonate; (f) recycling the bottom stream resulting from step (e) to step (a).
Resumen de: WO2026022212A1
The invention relates to a continuous process for the preparation of a mixed dialkyl carbonate of formula R1O(C=O)OR2 by reacting a first dialkyl carbonate of formula R1O(C=O)OR1 and a second dialkyl carbonate of formula R2O(C=O)OR2, wherein R1 and R2 are different alkyl groups and R2 contains more carbon atoms than R1, said process comprising: (a) reacting the first and second dialkyl carbonates in a reactor resulting in a product stream comprising the mixed dialkyl carbonate, unconverted first and second dialkyl carbonates and light components; (b) separating the product stream resulting from step (a) into a top stream comprising the light components, an intermediate stream comprising the unconverted first dialkyl carbonate and a bottom stream comprising the unconverted second dialkyl carbonate and the mixed dialkyl carbonate; (c) recycling the intermediate stream resulting from step (b) to step (a); (d) separating the bottom stream resulting from step (b) into a top stream comprising the mixed dialkyl carbonate and a bottom stream comprising the unconverted second dialkyl carbonate; (e) recycling the bottom stream resulting from step (d) to step (a).
Resumen de: WO2026022024A1
The invention relates to a solid electrolyte comprising a substrate made of a solid electrolyte material, the substrate having a first face and a second face, characterized in that the solid electrolyte further comprises a metal coating arranged on at least part of the first face and/or on at least part of the second face of the substrate. The invention also relates to an all-solid-state battery comprising the solid electrolyte, and to a method for manufacturing the solid electrolyte.
Resumen de: WO2026021712A1
The invention relates to a cooling plate (1) for controlling the temperature of electrical and/or electronic components, comprising a plate body (2), comprising a channel system (4) formed in the plate body (2) between a plate upper face and a plate lower face and intended for carrying a coolant (5), and comprising a coolant inlet (6) and a coolant outlet (7), wherein: the channel system (4) connects the coolant inlet (6) to the coolant outlet (7); in a projection oriented perpendicular to a plate plane (3), a cooling area (8), through which a coolant (5) can flow, of the channel system (4) defines a cooling area portion (10) with respect to a plate area (9) formed by the plate body (2); the channel system (4) has an inlet region (11) containing the coolant inlet (6) and has an outlet region (12) containing the coolant outlet (7); and the channel system (4) is configured such that the cooling area portion (10) is smaller in the inlet region (11) than in the outlet region (12).
Resumen de: WO2026021678A1
Disclosed is a thermal runaway prevention sheet including a heat barrier layer, the heat barrier layer including: a silicone-based resin matrix including a plurality of micropores; first inorganic filler particles inserted in the silicone-based resin matrix and having an average particle diameter of 0.7 ㎛ to 20 ㎛; second inorganic filler particles inserted in the silicone-based resin matrix and having an average particle diameter of 1 nm to 100 nm; first reactive particles inserted in the silicone-based resin matrix and generating a binder that is bonded to the first inorganic filler particles and the second inorganic filler particles by heat; and second reactive particles inserted in the silicone-based resin matrix and generating the binder by the heat.
Resumen de: WO2026022498A1
Disclosed is a method for treating reverse extract liquid. This method utilizes the difference of the standard electrode potentials of various metals. Firstly, copper is recovered through cyclone electrolysis. At the same time, the chlorine gas generated by the electrolysis can remove TOC and avoid contaminating subsequent extractants. Then, zinc is separated using zinc precipitation reagents, and finally, manganese and calcium are separated using saponified Cyanex272 extractant to obtain manganese sulfate. The method of the present application is capable of graded recovery of valuable metals such as manganese, copper, zinc and the like. The purity of the recovered manganese sulfate reaches battery-grade. Compared to recovering copper in the form of copper sulfide, the sponge copper obtained in the present application has a purity greater than 98%, which has better application prospects and economic benefits. Moreover, by selectively abandoning sodium, calcium, and aluminum with low recovery value, the operation process can be simplified, unnecessary auxiliary material input can be reduced, and higher economic value can be achieved; at the same time, the method of the present application does not generate solid waste and has good environmental performance. Drawing of Abstract
Resumen de: US20260029481A1
A system for reducing a rate of capacity loss of a rechargeable battery can include a switch and a controller. The controller can be configured to produce, at a frequency and during a normal operation of the rechargeable battery to provide electrical power to a power-consuming device, a sequence of pulses. A pulse, of the sequence of pulses, can have a duty cycle that defines: (1) a first portion of the pulse during which the switch is positioned to connect the power-consuming device to the rechargeable battery and (2) a second portion of the pulse during which the switch is positioned to connect the power-consuming device to a secondary electrical power source. For example, interrupting a discharge of the rechargeable battery (e.g., during a normal operation of the rechargeable battery to provide electrical power to the power-consuming device) can reduce a rate of degradation of the rechargeable battery.
Resumen de: US20260029228A1
The present invention relates to an apparatus for inspecting stacking of electrodes of a secondary battery, the apparatus including: a stack table on which a stack including a plurality of positive electrodes and negative electrodes and a separator arranged between the positive electrodes and the negative electrodes is placed; a fixing part configured to fix one surface of the stack and including at least one hole for exposing the stack; and an imaging unit configured to capture the stack exposed through the hole.
Resumen de: US20260029093A1
A gas protection system, a gas protection method, and an energy storage system are provided. The gas protection system includes: a gas transmission pipe in communication with a sealed cabinet, where the gas transmission pipe is configured to input and output a protective gas to and from the sealed cabinet; a first detection module disposed in the gas transmission pipe; and a gas supply module configured to acquire gas parameters of the protective gas in the gas transmission pipe from the first detection module and supply a gas to the sealed cabinet based on the gas parameters.
Resumen de: US20260028241A1
A nickel manganese cobalt composite hydroxide, which is a precursor of a positive electrode active material, and which is composed of secondary particles to which primary particles containing a nickel, a manganese, and a cobalt are aggregated, or composed of the primary particles and the secondary particles, wherein a sodium content contained in the nickel manganese cobalt composite hydroxide is less than 0.0005% by mass. Also, a ratio of an average particle size of a lithium nickel manganese cobalt composite oxide divided by an average particle size of the nickel manganese cobalt composite hydroxide, which is a precursor, is 0.95 to 1.05, and further, when observing 100 or more particles of the lithium nickel manganese cobalt composite oxide selected randomly by a scanning electron microscope, a number that an aggregation of secondary particles is observed is 5% or less with respect to a total number of observed secondary particles.
Resumen de: US20260028245A1
Disclosed herein is a process for making a particulate (oxy)hydroxide of TM where TM refers to a combination of nickel and at least one metal selected from Co and Mn and where the process includes the steps of: (a) providing one or more aqueous solution(s) (α) containing water-soluble salts of Ni and of at least one transition metal selected from Co and Mn, and, optionally, at least one further metal selected from Ti, Zr, Mo, W, Al, Mg, Nb, and Ta, and an aqueous solution (β) containing an alkali metal hydroxide and, optionally, an aqueous solution (γ) containing a complexing agent, and(b) combining in a stirred tank reactor solution(s) (α) and solution (β) and, if applicable, solution (γ) in one or more sub-steps, at a pH value in the range of from 10.5 to 12.5 determined at 23° C., thereby creating solid particles of hydroxide, the solid particles being slurried,where the stirred tank reactor used in step (b) or in at least one of the sub-steps (b) is equipped with a solid-liquid separation device through which mother liquor containing in the range of from 2 mg/l to 20 g/l of slurried particles of hydroxide is withdrawn.
Resumen de: US20260028242A1
Disclosed herein is a process for making an (oxy)hydroxide of TM where TM refers to metals of which at least 97 mol-% are transition metals and where TM includes manganese and nickel, and where at least 50 mol-% of TM are manganese, the process including the steps of: (a) providing at least one aqueous solution (α) of water-soluble salts of such metals and an aqueous solution (β) including alkali metal hydroxide selected from the group consisting of NaOH and KOH,(b) combining solutions (α) and (β) at a pH value in the range of from 9.5 to 10.3, where such step (b) is carried out using at least one coaxial mixer including two coaxially orientated pipes through which an aqueous solution (β) and an aqueous solution of (α) are introduced into a stirred vessel, thereby precipitating an (oxy)hydroxide of TM, and(c) recovering and drying the (oxy)hydroxide of TM.
Resumen de: US20260028244A1
A positive electrode active material and a preparation method thereof, a positive electrode plate, a battery, and an electric apparatus are provided. The positive electrode active material includes: NaxMnaCubM1cM2dM3eO2+f−gRg, where M1 includes an element capable of forming a cation with a valence of +2 or less, M2 includes an element capable of forming a cation with a valence of +3, M3 includes an element capable of forming a cation with a valence of +4 or higher, R includes a Group VIIA element, 0.67≤x≤1.2, a+b+c+d+e=1, a>0, b>0, c≥0, d≥0, e≥0, −0.1≤f≤0.1, 0≤g≤0.05, andb2×(b+c)2×(b+d)a×(a+e)4≤0.04.(I)
Resumen de: US20260028243A1
The present invention relates to a metal composite hydroxide used as a precursor of a positive electrode active material for a lithium secondary battery, said metal composite hydroxide comprising at least one metal element selected from the group consisting of Ni, Co, and Mn, and satisfying all of the following requirements (1) to (4): (1) An average particle strength is 10 MPa or more and less than 45 MPa;(2) A molar ratio (Mn/Co) of manganese to cobalt is more than 1.0;(3) A BET specific surface area is less than 40 m2/g;(4) An average particle diameter D50 is 4 μm or less.
Resumen de: US20260028240A1
A lithium manganese iron phosphate cathode material, including a first lithium manganese iron phosphate particle and a second lithium manganese iron phosphate particle. A molar ratio of Mn to Fe in the first lithium manganese iron phosphate particle is greater than or equal to 1. A molar ratio of Mn to Fe in the second lithium manganese iron phosphate particle is smaller than or equal to the molar ratio of Mn to Fe in the first lithium manganese iron phosphate particle. A particle size of the first lithium manganese iron phosphate particle is smaller than or equal to a particle size of the second lithium manganese iron phosphate particle. A preparation method of the lithium manganese iron phosphate cathode material and an application thereof are provided.
Resumen de: US20260028234A1
A negative electrode active material, a rechargeable lithium battery including the same, and a method for preparing the same are provided. The negative electrode active material includes an aggregate in which at least two composites are aggregated, the composites each including silicon (Si) and carbon (C), and a coating layer around (e.g., surrounding) the aggregate, wherein the composites each include a core containing crystalline silicon, a first shell containing amorphous silicon on the core, and a second shell containing a first amorphous carbon on the first shell, and wherein the coating layer contains a second amorphous carbon.
Resumen de: US20260028232A1
Provided are a silicon-carbon composite material and a preparation method therefor, a secondary battery, and an electric device. The silicon-carbon composite material comprises silicon-carbon secondary particles; the silicon-carbon secondary particles comprise silicon-carbon primary particles and one-dimensional conductive agents; the one-dimensional conductive agents are distributed between the silicon-carbon primary particles.
Resumen de: US20260028233A1
A porous carbon material having, based on a pore volume of the porous carbon material, a volume proportion of ultramicropores with a pore diameter less than or equal to 0.7 nm is denoted as P0%, and a volume proportion of micropores with a pore diameter less than or equal to 2 nm is denoted as P1%, where 2≤P0≤28 and 92≤P1≤100.
Resumen de: US20260028228A1
A method of manufacturing a positive cathode material with a stable olivine structure, including forming a mixture by combining lithium precursors, iron precursors, and phosphate precursors in an aqueous solution. The method further includes adding two different carbon sources to the mixture during mixing process and evaporating water from the mixture to form a homogeneous precursor mixture. The method further includes annealing the homogeneous precursor mixture to form a carbon-coated lithium iron phosphate cathode material with the stable olivine structure. The use of two different carbon sources in obtaining the carbon coating over lithium-iron-phosphate cathode material in an amorphous form, enhances the stability and performance of the cathode material resulting in an enhanced performance and longevity of rechargeable lithium-iron-phosphate batteries.
Resumen de: US20260028693A1
A method of manufacturing an electrode active material in an efficient manner is accomplished by recycling an exhausted active material contained in an electrode of a spent secondary battery through a simple process with reduced environmental impact such that the resulting active material can be reused. A method of manufacturing an electrode active material is a method of manufacturing an electrode active material by recycling an exhausted active material contained in an electrode of a spent secondary battery such that the resulting active material can be reused, the electrode including a current collector and an electrode mixture containing the active material and formed above the current collector, the method including: immersing the electrode in an alkali aqueous solution to peel the electrode mixture from the current collector (step 1); and neutralizing the peeled electrode mixture (step 2).
Resumen de: US20260028703A1
An Mn-M binary multi-phase alloy has Mn content satisfying 39 wt %≤Mn≤78 wt %, with the balance including metal M. The standard electrode potential of the metal M is higher than the standard electrode potential of Mn, and an αMn phase, a γM-Mn phase, and a γ′Mn-M phase are distributed in the binary metal multi-phase alloy. A method for preparing the Mn-M binary multi-phase alloy, a use thereof in preparation of a porous material, a current collector including the porous material, a secondary battery, and an electrical device.
Resumen de: US20260028167A1
The present disclosure relates to an electrode plate transfer device comprising: a support plate over which a plurality of electrode plates are stacked; and a plurality of support walls spaced apart from each other on the support plate, and bent to respectively face a plurality of corner edges to each form an inner bent surface and an outer bent surface, wherein each of the plurality of support walls includes: a first frame located at an edge of the support plate and forming at least one of the inner bent surface or the outer bent surface; and a second frame which is in contact with the first frame, and of which at least a part forms the inner bent surface.
Nº publicación: US20260028441A1 29/01/2026
Solicitante:
UNIV OF VIRGINIA PATENT FOUNDATION [US]
University of Virginia Patent Foundation
Resumen de: US20260028441A1
The present disclosure provides for foldable bottlebrush polymers, foldable bottlebrush polymer networks, method of making foldable bottlebrush polymers and networks, conductive electrolytes including the foldable bottlebrush polymer networks, and the like.
BOPI
Sede Electrónica
