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955
resultados
Última actualización
09/02/2026 [07:06:00]
Resultados 250 a 275 de 955
Resumen de: AU2024302261A1
Provided herein are compositions and methods of manufacturing compositions useful in producing battery electrolyte precursors and battery electrolytes.
Resumen de: TW202510381A
The present invention relates to a porous electrode that can be used in electrical energy storage or production devices, such as a lithium-ion battery. This porous electrode is a porous layer comprising at least one electrode active material P and an oxide electronic conductor material.
Resumen de: US20260011846A1
The disclosure provides a battery assembly. The battery assembly includes an intersection node assembly. The intersection node assembly includes an intersection node body, an inner surface of the intersection node body that forms a hollow interior, and a plurality of openings in the intersection node body, where the plurality of openings are in fluid communication with the hollow interior. The battery assembly includes a plurality of stiffener assemblies. The stiffener assemblies include a stiffener body, an inner surface of the stiffener body that forms a hollow channel through the stiffener body, wherein the hollow channel is in fluid communication with a respective opening in the plurality of openings of the intersection node body, and at least one battery.
Resumen de: US20260031498A1
A secondary battery includes a case, an electrode assembly inside the case, the electrode assembly including a first electrode and a second electrode, a first tab member connected to the first electrode, the first tab member extending from the electrode assembly, a cap assembly facing the electrode assembly, the cap assembly including a first terminal and a second terminal, and a first connection member between the electrode assembly and the cap assembly, the first connection member being connected to the first terminal and the first tab member, the first connection member further including a first deformation prevention part configured to prevent thermal deformation when connected to the first tab member.
Resumen de: FR3165107A1
Electrolyte polymère comprenant au moins un polymère et au moins un sel électrolyte, le polymère comprenant de l’ester borate de polyéthylène glycol et de la poly(4-vinylpyridine).
Resumen de: WO2024240892A1
The present invention relates to aliovalently substituted argyrodite-type solid electrolyte solid electrolytes. These solid electrolytes display and increased ionic conductivity.
Resumen de: AU2024286622A1
A pole adapter, a high-capacity battery (2, 4), and an energy storage device. The pole adapter is adapted to be connected to poles of battery cells (21) and used for heating or cooling the poles. The high-capacity battery (2, 4) comprises a plurality of battery cells (21) having the pole adapters. The energy storage device comprises a plurality of said high-capacity batteries (2, 4). The pole adapter can overcome the problem of excessive heat, that may cause thermal runaway, at the poles of battery cells (21) in existing high-capacity batteries (2, 4).
Resumen de: CN120345094A
The embodiment of the invention provides a non-aqueous electrolyte, a secondary battery and an electric device. The non-aqueous electrolyte comprises additives, the additives comprise a first additive and a second additive, the first additive is any one or more cyclic sulfate compounds with a structure as shown in a general formula (I), and the second additive is an organic alkali additive, the organic base additive comprises any one or more of 5-12-membered aromatic heterocyclic organic base or 5-12-membered alicyclic organic base, nitrogen atoms are contained in ring structures of the 5-12-membered aromatic heterocyclic organic base and the 5-12-membered alicyclic organic base, and # imgabs 0 #
Resumen de: CN120457572A
The invention provides a secondary battery and an electric device. The secondary battery comprises a negative electrode plate and a non-aqueous electrolyte, the negative electrode plate comprises a negative electrode active material, the volume average particle size Dv50 of the negative electrode active material is 6-20 mu m, the non-aqueous electrolyte comprises an additive and a non-aqueous solvent, and the additive comprises a cyclic sulfate compound represented by formula (I); the non-aqueous solvent comprises ethylene carbonate; # imgabs0 #
Resumen de: WO2026011852A1
Provided are an electrolyte additive, an electrolyte, and an electrochemical device. The electrolyte additive comprises a compound represented by formula 1 and a compound represented by formula 2, wherein the compound represented by formula 2 is selected from at least one of a compound represented by formula 2-A and a compound represented by formula 2-B. By means of the above configuration, the compound represented by formula 1 and the compound represented by formula 2 are used in combination as the electrolyte additive, which is beneficial to forming a stable solid electrolyte interface film at a negative electrode interface and beneficial to forming a stable positive electrode electrolyte interface film at a positive electrode interface, thereby improving the stability of the positive electrode interface and the negative electrode interface, reducing side reactions between an electrolyte and electrode active materials, effectively inhibiting further decomposition of the electrolyte, reducing gas production, reducing the internal resistance growth rate of the electrochemical device, and improving the high-temperature cycle performance and the high-temperature storage performance of the electrochemical device.
Resumen de: WO2025098234A1
Provided in the present application are an electrolyte and the use thereof. The electrolyte comprises a first additive as shown in formula 1, vinylene carbonate and a boron-containing compound. Applying the electrolyte to a battery can not only reduce the content of PF5 and HF in the electrolyte, but can also improve the electrochemical performance of the lithium-ion battery.
Resumen de: AU2024286794A1
The present application relates to the field of batteries, in particular to a large-capacity battery, a cover plate, a shell, a cylinder assembly, a cylinder, an elastic supporting piece, a bottom supporting piece and a preparation process of a large-capacity battery. The problem of an existing large-capacity battery sharing pipeline assembly being difficult to assemble is solved. The large-capacity battery comprises a shell and a plurality of battery cells, and the plurality of battery cells are arranged in the shell in the same direction; and the shell is provided with a shared chamber, and an inner cavity of the shared chamber is in communication with inner cavities of all the battery cells. According to the present application, the plurality of battery cells are arranged in one shell with the shared chamber, the shared chamber does not need to be inserted, the problem of coaxial insertion does not need to be considered in an arrangement direction of the battery cells, and requirements for machining precision and assembly precision are relatively low; and a special tool is not needed, an assembly process is simple, machining difficulty and machining cost of the large-capacity battery with a shared system are greatly reduced, and mass production can be achieved.
Resumen de: CN120500761A
The invention provides a non-aqueous electrolyte for a secondary battery, the secondary battery and an electric device. The non-aqueous electrolyte for the secondary battery comprises an additive and a non-aqueous solvent, wherein the non-aqueous solvent comprises dimethyl carbonate; the additive comprises a cyclic sulfate compound as shown in a formula (I); # imgabs0 #
Resumen de: WO2025241538A1
The present application provides an additive composition, an electrolyte comprising same, and a battery. The additive composition comprises a first additive and a second additive, wherein the first additive comprises a compound having a structure as shown in formula 1, and the second additive comprises a silane-based additive. The additive composition provided in the present application is applied to the electrolyte, thereby improving the cycle performance and the high-temperature performance of the battery.
Resumen de: WO2025007779A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, and a sodium-ion battery. The chemical formula of the positive electrode active material is NaxAyNiaFebMncCudAeOn, wherein A is selected from at least one of Zn, Mg, Ca, K and Li; and the following conditions are satisfied: (1) 0.67≤x≤0.85, 0.01≤y≤0.2, and x+y≤1; (2) 0.11≤a≤0.33, 0.11≤b≤0.33, 0.33≤c≤0.66, 0.11≤d≤0.33, 0≤e≤0.1, and a+b+c+d＝1; and (3) n satisfies the condition that the algebraic sum of positive and negative valences in the chemical formula of the positive electrode active material is 0. In the case that the values of x, a, b, c, d and n are the same, the interlamellar spacing of sodium in unit cells of the positive electrode active material is reduced by 0.005Å-0.115Å compared with the interlamellar spacing of sodium in unit cells of NaxNiaFebMncCudOn. The positive electrode active material has the characteristics of high rate performance, good cycling stability, high voltage resistance, etc., such that the sodium-ion battery prepared therefrom has good performance.
Resumen de: WO2025021009A1
An electrolyte and a battery. The electrolyte comprises a first lithium salt, a second lithium salt and a first additive, the first lithium salt at least comprising lithium bis(fluorosulfonyl)imide, the second lithium salt being one or two selected from lithium difluoro(oxalato)borate and lithium difluoro(bisoxalato) phosphate, and the first additive being methylene methanedisulfonate. On the basis of the electrolyte comprising the first lithium salt and the second lithium salt, the first additive, i.e. methylene methanedisulfonate (MMDS), is further added in the electrolyte; the second lithium salt helps to improve the cycling stability and high-temperature storage performance of batteries, and the first additive helps to improve the oxidation resistance of the second lithium salt under high voltages, so as to further modify the composition and structure of SEI films, thus reducing the impedance of SEI films, improving the stability of SEI films, and improving the cycling performance and high-temperature storage performance of batteries.
Resumen de: WO2024240892A1
The present invention relates to aliovalently substituted argyrodite-type solid electrolyte solid electrolytes. These solid electrolytes display and increased ionic conductivity.
Resumen de: WO2025246368A1
Provided in the present disclosure is a battery. The battery comprises a positive electrode sheet, a negative electrode sheet and an electrolyte, wherein the electrolyte comprises a compound represented by formula 1. When the mass percent of a transition metal in a negative electrode active material of the negative electrode sheet is M, the specific surface area of the negative electrode active material is B m2/g, the ratio of the total mass of the electrolyte to the discharge capacity of the battery is N g/Ah and the mass percent of the compound represented by formula 1 in the electrolyte is C1, the following formula is met: (A). (1), wherein m is an integer of 0-3, n is an integer of 0-3, m and n are not 0 at the same time, and p is an integer of 1-5; R0 is a single bond or methylene; R1 is hydrogen, halogen, alkyl having 1-5 C atoms, or haloalkyl having 1-5 C atoms; and R2, R3 and R4 are each independently selected from (2), (3), (4), (5), (6), (7) and (8).
Resumen de: WO2024239091A1
A battery pack and method of installing same. The battery pack has one or more battery stacks, with each stack having stacked modules. The stacked modules include a stack interface module, one or more battery modules, and one or more string disconnect modules (SDMs). Each SDM is located in one of the stacks, is connected to a battery string composed of one or more serially-connected battery modules, and is configured to selectively connect or disconnect each battery module in the battery string. At least one of SDMs for any given stack is separated from the stack interface module of that stack by at least one of the battery modules of that stack.
Resumen de: WO2024239105A1
The present invention relates to the production of a polymer comprising repeating units of formula 1, where X1, X2, X3, X4 are independently, and in every instance, chosen from among O, S, NH, and NR. This polymer comprises both unsaturated units and saturated units, the latter coming from a comonomer that provides the unit X1-L1-X2 in formula 1. The polymers are suitable for use in electrolytes or in electrode materials. The present invention also relates to electrochemical cells and batteries comprising these electrolytes and to electrode materials.
Resumen de: WO2024240593A1
The present invention relates to a cathode active material of the general formula (I) NaxNiyM1 aM2 bM3 cO2 (I) in which the variables are each defined as follows: M1 is Ti, Zr, Hf or a mixture thereof, M2 is Co, Mn, Al or a mixture thereof, M3 is Mg, Ca, Sr, Ba, Ce or a mixture thereof, x is in the range of from 0.6 to 1.0, y is in the range of from 0.6 to 0.95, a is in the range of from 0.05 to 0.4, b is in the range of from 0.00 to 0.35, c is in the range of from 0.00 to 0.35, wherein a + b + c = 1 - y. The present invention further relates to an electrode material comprising said cathode active material, to electrodes produced from or using said electrode material and to a rechargeable electrochemical cell comprising at least one electrode. The present invention further relates to a process for preparing said cathode active material of the general formula (I).
Resumen de: US20260031495A1
A secondary battery includes an electrode assembly, a case accommodating the electrode assembly, a sub-plate connected to the electrode assembly, a current collector comprising a flat portion coupled to the sub-plate and a boss portion protruding from the flat portion, and a first cap assembly coupled to the current collector, wherein the boss portion and the first cap assembly are screw-coupled.
Resumen de: CN120457573A
The invention provides a non-aqueous electrolyte for a secondary battery, the secondary battery and an electric device. The non-aqueous electrolyte for the secondary battery comprises an additive and a non-aqueous solvent, wherein the non-aqueous solvent comprises a first solvent; the additive comprises a cyclic sulfate compound as shown in a formula (I); the first solvent is selected from one or more of ethylene glycol dimethyl ether, a compound as shown in a formula A and a compound as shown in a formula B; # imgabs0 #
Resumen de: WO2026023955A1
The present invention relates to an anode for a lithium secondary battery and a manufacturing method therefor. The anode has a pattern structure in which a first region and a second region that have a predetermined deviation in L* of CIE LAB colorimeter are alternately disposed on a surface of an anode active layer, thereby having excellent adhesion between an anode current collector and the anode active layer. In addition, the anode has the advantages of not only improving a swelling phenomenon during charging, but also having excellent rapid charging performance.
Nº publicación: KR20260014606A 30/01/2026
Solicitante:
아르끄마프랑스
Resumen de: WO2024246451A1
The present invention relates to the use of liquid compositions of carbon fillers, more particularly carbon nanotubes, for the production of electrodes for batteries, wherein the carbon fillers in the liquid composition are present in mass contents of between 3.5 and 20%.
BOPI
Sede Electrónica
