Resumen de: WO2024173770A2
A method can include: receiving a gel electrolyte precursor solution comprising a polymeric precursor (such as monomers or oligomers), an initiator, and a plasticizer; adding the gel electrolyte precursor solution to a battery stack; wetting the battery stack with the gel electrolyte precursor solution; and curing the gel electrolyte precursor to form a covalently bonded gel electrolyte network interspersed throughout the battery stack.
Resumen de: US2024279064A1
A composite particle including carbon and silicon, in which the composite particle contains a crystalline metal oxide particle, and the end of the metal oxide particle is present inside the surface of the composite particle, and pores are present on the surface of the composite particle. According to the present invention, there can be provided a composite particle, in which silicon is attached to the inside of fine pores of a carbon material that has been provided with specific fine pores, the composite particle also contains a crystalline metal oxide particle, the end of the metal oxide particle is present inside the surface of the composite particle, and furthermore, pores are present on the surface of the composite particle. By using this composite particle, a lithium-ion secondary battery with excellent rate characteristics and cycle characteristics can be provided.
Resumen de: US2024279778A1
The invention concerns a method to make an aluminium alloy sheet product wherein successively, a slab is cast of an aluminium alloy comprising, by weight % Mn: 0.9-1.2, Fe: 0.5-0.8, Si: 0.05-0.25, Cu: 0.06-0.20, Ti: ≤0.1, and by ppm, Mg: <100, Zn: <100, B: <200, Sn: <100, Bi: <100, Cr: ≤100, other impurities <500 each and <1500 total, remainder aluminium, the slab is homogenized at a temperature of at least 610° C. and preferably of at least 615° C., the homogenized slab is hot rolled and cold rolled into a sheet, which is optionally thermally treated and/or tension leveled. The aluminium alloy sheet product of the invention are useful in particular to make parallelepiped battery housing.
Resumen de: US2024279013A1
A sheet conveying apparatus includes: a first conveying portion in which a band-shaped sheet including a first surface and a second surface is conveyed with the first surface facing downward; a turning portion located downstream of the first conveying portion and flips the sheet with the first surface facing inward; and a second conveying portion located downstream of the turning portion. The turning portion includes a convex curve along which the sheet is flipped. The convex curve includes a first and a second air ejection portions. The first air ejection portion is located in an upstream end region and ejects air toward the first surface of the sheet. The second air ejection portion is located downstream of the upstream end region and ejects air toward the first surface. The first air ejection portion ejects air to generate flotation larger than that of the second air ejection portion.
Resumen de: US2024279777A1
A method of forming a component can include electrochemically depositing a metallic material onto a carrier component to a thickness of greater than 50 microns. The metallic material can include crystal grains and at least 90% of the crystal grains can include nanotwin boundaries. The metallic material can include a Copper-Silver alloy (Cu—Ag) with between about 0.5-2 at %-Ag.
Resumen de: US2024282934A1
Described herein are improved composite anodes and lithium-ion batteries made therefrom. Further described are methods of making and using the improved anodes and batteries. In general, the anodes include a porous composite having a plurality of agglomerated nanocomposites. At least one of the plurality of agglomerated nanocomposites is formed from a dendritic particle, which is a three-dimensional, randomly-ordered assembly of nanoparticles of an electrically conducting material and a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the dendritic particle. At least one nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of its dendritic particle in electrical communication with at least a portion of a dendritic particle of an adjacent nanocomposite in the plurality of agglomerated nanocomposites.
Resumen de: US2024282933A1
Methods for producing nanostructures from copper-based catalysts on porous substrates, particularly silicon nanowires on carbon-based substrates for use as battery active materials, are provided. Related compositions are also described. In addition, novel methods for production of copper-based catalyst particles are provided. Methods for producing nanostructures from catalyst particles that comprise a gold shell and a core that does not include gold are also provided.
Resumen de: US2024283084A1
A battery device is disclosed, the battery device may include: a cell stack in which a plurality of battery cells are stacked; and a case accommodating the cell stack therein, wherein the case may have a plurality of first venting holes formed in an upper plate covering an upper surface of the cell stack, and have a plurality of second venting holes formed in a side plate covering a first side surface of the cell stack.
Resumen de: US2024282964A1
A secondary battery includes an electrode wound body including a positive electrode and a negative electrode. The positive electrode includes a positive electrode current collector and a positive electrode active material layer. The negative electrode includes a negative electrode current collector and a negative electrode active material layer. The positive electrode active material layer and the negative electrode active material layer each include a fluorine compound and a nitrogen compound. A weight ratio of a fluorine content to a nitrogen content in the positive electrode active material layer is greater than or equal to 3 and less than or equal to 50. A weight ratio of a fluorine content to a nitrogen content in the negative electrode active material layer is greater than or equal to 1 and less than or equal to 30.
Resumen de: US2024282974A1
A negative electrode active material includes carbon-silicon-oxygen particles and an aluminum oxide layer located on a surface of the carbon-silicon-oxygen particles, where the carbon-silicon-oxygen particles are represented by SiCxOy, 0<x<0.04, and 0.8<y<1.2. The negative electrode active material is used for the electrochemical apparatus and can significantly improve the cycling performance.
Resumen de: WO2024168692A1
Provided in the present application are a battery cell, a battery, an electric device, and a method for preparing a battery cell. The battery cell comprises: a housing having an opening; an end cap assembly for closing the opening; an electrode assembly accommodated inside the housing; and a receiving component accommodated inside the housing, the receiving component being used for accommodating the electrode assembly and an electrolyte. In the technical solution of the present application, the receiving component is arranged inside the housing, and the electrolyte and the electrode assembly are both stored in the receiving component, so that the receiving component can isolate the electrolyte from the housing and the end cap assembly to a certain extent, and the receiving component plays a certain role in secondary sealing of the electrolyte. Therefore, the risk of the electrolyte corroding the housing and the end cap assembly can be reduced, and the risk of the performance of the battery being affected due to failure of connection between the housing and the end cap assembly and leakage of the electrolyte at the connection between the housing and the end cap assembly can be reduced, thereby improving the reliability of the performance of the battery.
Resumen de: WO2024168729A1
Provided in the embodiments of the present application are a battery cell, a battery and an electrical device. The battery cell comprises: a first wall and a second wall which are oppositely arranged; a first electrode terminal, arranged on the first wall, the maximum height of the first electrode terminal protruding from a first surface of the first wall facing the outside of the battery cell being a first height; a second electrode terminal, arranged on the second wall, the structure of the second electrode terminal being different from that of the first electrode terminal, the maximum height of the second electrode terminal protruding from a second surface of the second wall facing the outside of the battery cell being a second height, and the range of a difference value between the first height and the second height being -2 mm, 2 mm. The battery cell, the battery and the electrical device provided by the embodiments of the present application can improve the processing efficiency of batteries.
Resumen de: WO2024168734A1
The embodiments of the present application provide a battery cell, a battery, and an electrical device. The battery cell is provided with a liquid injection hole, the center of an orthographic projection of the battery monomer along a first direction overlaps with the center of an orthographic projection of the liquid injection hole along the first direction, and the first direction is the direction of the central axis of the liquid injection hole. The battery cell, battery, and the electrical device of the embodiments of the present application improve battery cell processing efficiency.
Resumen de: WO2024173471A1
An iron anode employs an electrolyte for generating an anode reaction to convert between Iron II and Iron III ions, denoted by Fe(OH)2 and FeOOH, rather than tending towards formation of highly stable Fe3O4, which can tend to cause "dead" regions in the battery. A suitable battery chemistry includes iron-air and other iron metal batteries operable with an aqueous electrolyte and employing oxygen and water cathodes. The iron anode battery employs inexpensive available iron, rather than more expensive and/or volatile materials used in Li-ion and lead-acid batteries. An aqueous electrolyte formed from sodium hydroxide and silicates, optionally with potassium or chloride salts, forms an anode reaction with nanostructured iron oxide particles in a safe and stable battery chemistry which is readily scalable for grid storage.
Resumen de: WO2024173252A1
An example electrode fabricated using a solvent-free process is provided. The electrode includes a substrate including a dry mixture of active materials, binder, and conductive additives electrostatically sprayed onto the substrate, thermally activated, and bonded to the substrate. The binder and the conductive additives form conductive binder agglomeration clusters. The binder and the conductive additives uniformly cover a surface of the active materials. The binder is uniformly distributed in a thickness direction of the electrode. The electrode includes pores between the active materials that are both microsize pores and submicron- size pores. The micro-size pores are open pores that allow electrolyte to diffuse.
Resumen de: WO2024172503A1
The present invention relates to a cathode active material of an overlithiated manganese-based oxide and a preparation method therefor, the cathode active material exhibiting enhanced capacity characteristics and excellent lifespan characteristics and rolling characteristics. The cathode active material is represented by chemical formula 1, and may contain an overlithiated manganese-based oxide having a mixed structure of a rock-salt phase lithium manganese oxide and a layered lithium transition metal oxide and have a predetermined internal porosity. Chemical formula 1 LiaNibCocMndMeO2 , where 1.00 < a, 0 ≤ b ≤ 0.53, 0 ≤ c ≤ 0.10, 0.47 ≤ d ≤ 1.00, 0 ≤ e ≤ 0.20, and M is at least one selected from the group consisting of Al, B, Co, W, Mg, V, Ti, Zn, Ga, In, Ru, Nb, Sn, Sr, and Zr.
Resumen de: WO2024172493A1
The objective of the present invention is to provide a sulfide-based solid electrolyte having improved lithium ionic conductivity, a method for preparing the sulfide-based solid electrolyte, and an all-solid-state battery comprising the sulfide-based solid electrolyte. The present invention provides a sulfide-based solid electrolyte that is a glass ceramic, the sulfide-based solid electrolyte comprising a thio-LISICON Region Ⅱ-type crystalline phase, and having a chemical formula presented by (100-x){(0.75+y/(100-x))Li2S-0.25P2S5}-xLiHa, wherein In the chemical formula, Ha is one or more elements selected from halogen elements and satisfies 15≤x≤30 and 0
Resumen de: WO2024173731A1
An example embodiment includes a battery having a plurality of battery modules, each battery module comprising a plurality of battery cells; a pressure control system configured to provide fluid having a target fluid pressure that achieves a target pressure to be applied to respective battery cells of a battery module; and a thermal control system configured to supply coolant to the battery module to achieve a target temperature.
Resumen de: US2024279831A1
The present invention discloses a method for recycling a spent lithium-ion battery, including the following steps: sandwiching a cathode of the spent lithium-ion battery with a conductive acid-resistant material as a cathode of a primary battery system; sandwiching an anode of the spent lithium-ion battery with a conductive acid-resistant material as an anode of the primary battery system; injecting an acid solution into a chamber of the primary battery system; and carrying out, after an electrochemical reaction is completed, solid-liquid separation on a mixed liquor in the chamber. The present invention further discloses an electrochemical system for recycling a spent lithium-ion battery. The method for recycling a spent lithium-ion battery in the present invention requires only dismantlement of cathode and anode materials, without a series of complex pretreatment operations on the cathode materials of the spent lithium-ion battery. In addition, by the method, the cathodes and anodes of the spent lithium-ion battery can be recycled at the same time, and valuable elements can be separated, which is greatly improved compared with the electrolytic leaching method. Moreover, there is no need to add an external power supply, which saves energy and can also output electricity.
Resumen de: US2024278994A1
The invention relates to a stacking column for storing electric vehicle batteries one above the other or next to one another on or on pawls (7.1-7.3), wherein the pawls (7.1-7.3) are accommodated in a U-body and the U-body has two side walls (1.1, 1.2), a rear wall (2) and an opening edge, wherein the pawls (7.1-7.3) rotate about axes (8.1-8.3) from a resting position into a working position between the two side walls (1.1, 1.2) and have a support part (9) on one side of the axis (8.1-8.3) and a rear part (10) on the other side of the axis (8.1-8.3), wherein the pawl (7.1-7.3) is supported in the working position with the rear part (10) against a polygonal bolt stop (13), wherein the polygonal bolt stop (13) is arranged between the two side walls (1.1, 1.2) with on the rear wall (2) and the supporting part (9) rests on a polygonal bolt support (12), wherein the polygonal bolt support (12) rests between the two side walls (1.1, 1.2) at the opening edge ( ), suitable for supporting the support part (9) of the pawls (7.1-7.3) in the working position in a bottom side by the polygonal bolt support (12), the polygonal bolt stop (13) simultaneously bearing in a supporting manner in an upper side of the rear part (10) of the pawls (7.1-7.3).
Resumen de: US2024279259A1
Disclosed are lithium difluoro-bis(oxalate)phosphate, a preparation method therefor, and an application thereof. The preparation method comprises the following steps: (1) mixing oxalyl chloride and lithium hexafluorophosphate with a nonaqueous solvent, adding siloxane, and reacting to obtain a lithium difluoro-bis(oxalate)phosphate solution; and (2) adding a poor solvent into the lithium difluoro-bis(oxalate)phosphate solution for crystallization treatment to obtain the lithium difluoro-bis(oxalate)phosphate. According to the present application, raw materials such as lithium hexafluorophosphate, oxalyl chloride, and hexamethyldisiloxane are used for preparing the difluoro-bis(oxalate)phosphate, and the method of the present application is few in side reaction, few in impurities, high in product purity, and suitable for industrial production.
Resumen de: US2024279250A1
A method of forming a single-ion conductive network comprising reaction of a first compound of formula (I) with a second compound and a third compound: formula (I). X is selected from the group consisting of B and Al. M+ is a cation, e.g. a lithium ion. The second compound comprises at least two hydroxyl groups, e.g. a diol. The third compound comprises only one hydroxyl group. The single-ion conductive network may be used in a metal battery or metal ion battery.
Resumen de: US2024282917A1
A negative electrode slurry includes a negative electrode active material including a first active material including silicon atoms in an amount of greater than or equal to about 20 wt % and less than or equal to about 100 wt % of the first active material, a binder, and a solvent to disperse the negative electrode active material and the binder in the negative electrode slurry, wherein the binder includes a particulate dispersed body and a water-soluble copolymer including a copolymer including an acrylic acid-based monomer unit, a sodium styrene sulfonate monomer unit, and an acrylonitrile-based monomer unit, a weight average molecular weight of the copolymer is about 300,000 to about 2,000,000, and an amount of the water-soluble copolymer is greater than or equal to about 0.5 wt % and less than or equal to about 2 wt % based of 100 wt % of the negative electrode active material and the binder.
Resumen de: US2024282915A1
Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. An implementation may provide a negative electrode for a lithium secondary battery including: a Si-containing negative electrode active material, wherein when a value derived according to the following Equation (1) by charging/discharging a lithium secondary battery including a negative electrode and a positive electrode including a Li-containing positive electrode active material n times, discharging the battery to 2.5 V, disassembling the battery to obtain the negative electrode and the positive electrode, and analyzing the negative electrode and the positive electrode is SEIn, a (SEI100−SEI5) value is 10 or less: (1) SEIn=(Si0/Sin−1)−((CLL*CW/CMW*(1−MLi/MTM)*LiMW)/ALL).
Nº publicación: US2024283098A1 22/08/2024
Solicitante:
INTERCABLE AUTOMOTIVE SOLUTIONS GMBH [IT]
Intercable Automotive Solutions GmbH
Resumen de: US2024283098A1
A module connector for electrically and mechanically connecting battery modules includes a connecting element, a first connecting device, and a second connecting device. The connecting element has a first interface and a second interface. The first interface can be mechanically and electrically connected to a first battery module by means of the first connecting device. The second interface can be mechanically and electrically connected to a second battery module by means of the second connecting device. At least one of the first connecting device and the second connecting device forms a joint with the connecting element for providing a geometric tolerance compensation during assembly.