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1482
resultados
Última actualización
03/04/2026 [07:26:00]
Resultados 250 a 275 de 1482
Resumen de: EP4718565A1
The present application provides an electrolyte additive, an electrolytic solution, and an electrochemical device. The electrolyte additive includes a compound represented by formula 1 and a compound represented by formula 2, and the compound represented by formula 2 is selected from the group consisting of a compound represented by formula 2-A, a compound represented by formula 2-B, and a combination thereof. Through the above configuration, when the compound represented by formula 1 and the compound represented by formula 2 of the present application are used in combination as electrolyte additives, it is beneficial to form a stable solid electrolyte interface film at the negative electrode interface, and also beneficial to form a stable cathode electrolyte interface film at the positive electrode interface. This improves the stability of both the positive and negative electrode interfaces, reduces side reactions between the electrolytic solution and the electrode active materials, effectively inhibits the further decomposition of the electrolytic solution, reduces gas generation, decreases the growth rate of the internal resistance of the electrochemical device, and improves the high-temperature cycle performance and high-temperature storage performance of the electrochemical device.
Resumen de: EP4718678A1
Die Erfindung betrifft System (1) mit zumindest einem Akkumulator (2), vorzugsweise Arbeitsgeräteakkumulator, insbesondere loT-Akkumulator und/oder IoT-Arbeitsgeräteakkumulator, wobei der Akkumulator (2) zumindest eine Steuereinheit (3, 24) zum Steuern und/oder Überwachen des Akkumulators (2) und/oder eines mit dem Akkumulator (2) gekoppelten Endgeräts (4) und zumindest eine Akkudatenschnittstelle (5) zum Datenaustausch umfasst, und mit zumindest einer Bereitstellungseinheit (6, 7, 8), von der Betriebsprogrammdaten (9) für die zumindest eine Steuereinheit (3, 24) zum Steuern und/oder Überwachen des Akkumulators (2) und/oder des mit dem Akkumulator (2) gekoppelten Endgeräts (4) über die Akkudatenschnittstelle (5) an den Akkumulator (2) übertragen werden können.
Resumen de: EP4718673A1
Die Erfindung betrifft einen Akkumulator (1, 2), vorzugsweise Arbeitsgeräteakkumulator, Gartengeräteakkumulator und/oder Werkzeuggeräteakkumulator, insbesondere IoT-Arbeitsgeräteakkumulator,IoT-Gartengeräteakkumulator und/oder loT-Werkzeuggeräteakkumulator, mit zumindest einer Energiespeichereinheit (10) und mit zumindest einer Steuereinheit (5, 6) zum Steuern und/oder Überwachen des Akkumulators (1, 2) und/oder eines mit dem Akkumulator (1, 2) gekoppelten Endgeräts (3, 4). Ferner umfasst der Akkumulator (1, 2) zumindest eine, insbesondere bidirektionale, Akkudatenschnittstelle (7, 8) und die Steuereinheit (5, 6) derart ausgebildet und/oder eingerichtet ist, dass diese über die Akkudatenschnittstelle (7, 8) mit zumindest einer weiteren Steuereinheit (5, 6) zumindest eines weiteren Akkumulators (1, 2), insbesondere bidirektional, kommunizieren kann.
Resumen de: EP4718677A1
Die vorliegende Erfindung betrifft einen Akkumulator (1), insbesondere loT-Akkumulator, mit wenigstens einer Akkumulatorzelle (2) zur Aufnahme, Speicherung und Abgabe von Energie, einer Energieschnittstelle (3) zur Verbindung des Akkumulators (1) mit einem Endgerät und/oder einer externen Energiequelle, und einer Steuerung (4) zum Steuern der wenigstens einen Akkumulatorzelle (2) und/oder der Energieschnittstelle (3). Außerdem betrifft die Erfindung ein Verfahren zum Betreiben eines Akkumulators (1). Es wird vorgeschlagen, dass der Akkumulator (1) eine loT-Steuereinheit (5) umfasst, wobei die loT-Steuereinheit (5) ausgebildet ist, Steuerbefehle für die Steuerung (4) und/oder Statusinformationen des Akkumulators (1) zu erzeugen.
Resumen de: EP4718682A1
Die vorliegende Erfindung betrifft einen Akkumulator (1), insbesondere IoT-Akkumulator, mit wenigstens einer Akkumulatorzelle (2) zur Aufnahme, Speicherung und Abgabe von Energie, einer Energieschnittstelle (3) zur Verbindung des Akkumulators (1) mit einem Endgerät und/oder einer externen Energiequelle, und einer ersten Steuereinheit (4) zum Steuern der wenigstens einen Akkumulatorzelle (2) und/oder der Energieschnittstelle (3). Außerdem betrifft die Erfindung ein Verfahren zum Betreiben eines Akkumulators (1). Erfindungsgemäß zeichnet sich der Akkumulator (1) dadurch aus, dass die erste Steuereinheit (4) einen ersten Steuerkern (5) und einen zweiten Steuerkern (6) umfasst oder dass der Akkumulator (1) zusätzlich zur ersten Steuereinheit (4) eine zweite Steuereinheit (7) umfasst.
Resumen de: EP4717325A2
An energy storage device (100) including one or more battery modules including a plurality of battery cells (260); a case (200) accommodating the battery module; a fire extinguishing pipe (300) disposed in the case, having one side open to accommodate a fire extinguishing agent (310) therein, and configured to melt at a certain temperature or higher to spray the fire extinguishing agent; and a connection portion (400) coupled to the case, having one end connected to the opened one side of the fire extinguishing pipe, and having the other end connected to a supply flow path (10) supplying the fire extinguishing agent.
Resumen de: EP4718597A2
An energy storage system includes a plurality of battery modules, a fire-extinguishing tank accommodating a fire-extinguishing agent, and a pipe part connecting the plurality of battery modules to the fire-extinguishing tank, wherein each of the plurality of battery modules includes a plurality of battery cells and a fire-extinguishing tube which extends into the interior of each of the plurality of battery modules along an arrangement of the plurality of battery cells, wherein the pipe part includes: a distribution pipe connected to the fire-extinguishing tube in the battery modules; and an extension pipe including connecting portions connected to the distribution pipe, and a curved portion disposed between the connecting portions.
Resumen de: EP4718540A1
According to one approach, provided is an electrode (10) including a plurality of active material particles (11) and fibrous carbon (12). The fibrous carbon (12) includes a first portion (C1) having a fiber diameter W1 within a range of 60 nm or more and 500 nm or less and a second portion (C2) having a fiber diameter W2 smaller than the fiber diameter W1. At least part of the second portion (C2) is in contact with plurality of the active material particles (11).
Resumen de: EP4718672A2
A powered building system that includes an electric power distribution system configured to distribute electrical power to a plurality of receptacles; one or more load sources; and one or more battery systems associated with: a respective receptacle of the plurality of receptacles and a respective load source of the one or more load sources.
Resumen de: EP4718554A1
An electrode assembly includes a stack and a second separator. The stack includes first and second electrodes and a first separator folded in a zigzag configuration and including spacer sections and respective side sections between the spacer sections. The first and the second electrodes are alternately disposed between first separator spacer sections The second separator extends along an upper surface, a lower surface, and at least one pair of opposing side surfaces of the stack. The side sections of the first separator define portions of the side surfaces of the stack on which the first electrode and the second electrode are not disposed. The second separator is bonded to at least one of the side sections.
Resumen de: EP4718675A1
Die Erfindung betrifft Akkumulator (1), vorzugsweise einen Arbeitsgeräteakkumulator, insbesondere IoT-Akkumulator und/oder IoT-Arbeitsgeräteakkumulator,mit zumindest einer Energiespeichereinheit (2) und mit zumindest einer Steuereinheit (3) zum Steuern und/oder Überwachen des Akkumulators (1) und/oder eines mit dem Akkumulator (1) gekoppelten Endgeräts (4). Der Akkumulator (1) umfasst zumindest eine Akkudatenschnittstelle (5) zum Datenaustausch mit einer externen Einheit (9, 10, 11) und/oder dem Endgerät (4).
Resumen de: EP4718524A1
The present invention may provide an apparatus for manufacturing an electrode, the apparatus comprising: a sheet supply unit for supplying a lithium metal sheet; an ultrasonic cutting unit that repeatedly approaches the supplied lithium metal sheet to cut the lithium metal sheet; and a blade that is provided in the cutting unit and forms a cutting line on the lithium metal sheet, wherein the cutting line (CL) is formed inside an outer boundary (OL) of the supplied lithium metal sheet.
Resumen de: EP4718594A2
A secondary battery (100), a battery pack (200) and an electronic device (300) are provided. The secondary battery (100) includes: a housing (110) and an electrode assembly (120). The housing (110) includes a side wall (111) with an opening (112) at one end and a cover plate assembly (140). The cover plate assembly (140) seals the opening (112). The electrode assembly (120) is disposed within the housing (110). The cover plate assembly (140) includes: a first cover plate (141) and a second cover plate (142). The first cover plate (141) covers the opening (112) and is connected with the side wall (111) in a sealed manner. The first cover plate (141) includes a through hole (1411). The second cover plate (142) at least partially blocks the through hole (1411). The second cover plate (142) is connected with the first cover plate (141).
Resumen de: EP4718593A1
Provided are a battery cell and a battery module. The battery cell comprises a case comprising a space for accommodating an electrode assembly, a cap plate placed in an opening of the case to seal the case and comprising an electrolyte inlet formed therein, a first terminal and a second terminal installed to protrude outwardly through the cap plate, and a cell cap placed on a top side of the case to cover the cap plate.
Resumen de: EP4718616A1
An energy storage system includes: a rack including horizontal frames arranged at intervals in a vertical direction and having a length in a horizontal direction, vertical frames arranged at intervals in the horizontal direction, having a length in the vertical direction, and coupled to the horizontal frames, and guide rails coupled to inner sides of the horizontal frames and extending in an inward direction of the rack; a battery module mounted on the guide rails; and a fire extinguishing sheet coupled to the horizontal frames. The fire extinguishing sheet is configured to release a fire extinguishing agent to the battery module at a reference temperature.
Resumen de: EP4718517A1
Provided is a technique to suppress a reduction in a capacity maintenance rate. In the negative electrode disclosed herein, a negative electrode active material layer contains first Si-containing particles and second Si-containing particles. When an expansion rate S2 of the second Si-containing particles is treated as 1, an expansion rate S1 of the first Si-containing particles is more than 0.3 and not more than 0.9. The first Si-containing particles and the second Si-containing particles include LiF coating layers. A second peak intensity ratio of the second Si-containing particles is larger than the first peak intensity ratio of the first Si-containing particles.
Resumen de: EP4718590A1
A battery attachment tape includes: an adhesive portion including an adhesive surface attached to a surface of a battery cell; and a gripping portion extending from one side of the adhesive portion. The adhesive portion includes: a first adhesive portion overlapping with the gripping portion in a first direction; and a second adhesive portion on opposite sides of the first adhesive portion. Adhesive strengths of the first adhesive portion and the second adhesive portion are different from each other.
Resumen de: EP4718550A1
A battery tape is disclosed. The battery tape includes a first member having a position relative to a first surface of a battery and a second member extending from a side of the first member, surrounding a side surface of the battery, and bonded to a second surface of the battery opposite to the first surface. The first member may be configured to shrink and contact the first surface of the battery based on exposing the first member to first heat, and the second member may be configured to shrink and contact the side surface of the battery based on exposing the second member to second heat.
Resumen de: CN121399723A
Embodiments of the invention provide binderless electrodes for electrochemical devices fabricated using plasma printing processes. The process (100) includes depositing an electroactive material on a current collector to form an electrode in a continuous electrolytic plasma process. The invention does not depend on chemistry when the electroactive material is mechanically bonded to the surface of the current collector, and various materials can be deposited on the current collector. A solid state battery manufactured using the process is also disclosed.
Resumen de: EP4718579A1
Provided are a casing, a battery pack and a vehicle. The casing comprises a liquid cooling plate and a side panel connected to the upper surface of the liquid cooling plate and arranged around the circumference of the liquid cooling plate; the liquid cooling plate comprises a body and an outer connecting plate surrounding the periphery of the body; the upper surface of the outer connecting plate is distant from the side panel relative to the upper surface of the body; the lower surface of the side panel comprises a first step surface and a second step surface; the first step surface is opposite to the upper surface of the body; the second step surface protrudes towards the outer connecting plate relative to the first step surface; a sealing member is provided between the first step surface and the upper surface of the body; and the second step surface is attached to and sealedly connected to the upper surface of the outer connecting plate.
Resumen de: EP4718617A1
This application discloses a separator, an electrochemical device, and an electronic device. The separator includes a separator substrate, a first coating layer, and a second coating layer. The separator substrate includes a first surface and a second surface disposed opposite to each other. The first surface faces a positive electrode, and the second surface faces a negative electrode. The first coating layer is disposed on the first surface, and the second coating layer is disposed on the second surface. The first coating layer is a dense solid filler coating. A porosity of the first coating layer is denoted as D1, satisfying: 10% ≤ D1 < 30%. The second coating layer is a high-porosity solid filler coating. A porosity of the second coating layer is denoted as D2, satisfying: 30% ≤ D2 ≤ 60%. By disposing two coating layers of different performance parameters on two sides of the separator, this application improves the cycle performance, low-temperature discharge performance, and heat resistance of the battery.
Resumen de: EP4718527A1
The present invention relates to a positive electrode active material which may consequently improve performance of a battery including the same by improving performance and stability of a lithium-rich oxide, wherein the present invention relates to a positive electrode active material which includes a layer-structured lithium-rich transition metal oxide including both a Li<sub>2</sub>MnO<sub>3</sub> phase and a LiMO<sub>2</sub> phase (where M is an element including at least one selected from nickel (Ni), cobalt (Co), and manganese (Mn)); and a coating layer including boron and carbon which is formed on the lithium-rich transition metal oxide, and satisfies at least one of conditions (1) to (3), a method of preparing the same, and a positive electrode and a lithium secondary battery which include the same.- Condition (1): An atomic ratio (B/Mn) of boron (B) to manganese (Mn) present on a surface, which is analyzed by X-ray photoelectron spectroscopy (XPS), is in a range of 1 to 5- Condition (2): An intensity ratio (I<sub>Carbonate,1</sub>:I<sub>C-C</sub>) of a peak (I<sub>Carbonate,1</sub>) at 287.5 eV to 288.5 eV to a peak (I<sub>C-C</sub>) at 284 eV to 285 eV in an XPS spectrum of the surface is in a range of 0.05:1 to 0.15:1- Condition (3): An intensity ratio (I<sub>Carbonate,2</sub>:I<sub>C-C</sub>) of a peak (I<sub>Carbonate,2</sub>) at 288.6 eV to 290
Resumen de: EP4718568A1
The present disclosure provides a nonaqueous solvent solution containing a nonaqueous solvent, a difluorobis(oxalato)phosphate, a tetrafluoro oxalato phosphate, and a tris(oxalato)phosphate in which a concentration of the difluorobis(oxalato)phosphate in the nonaqueous solvent solution is 10 to 50 mass% and in which a ratio of the difluorobis(oxalato)phosphate to the tris(oxalato)phosphate is such that, per 1 mol of the difluorobis(oxalato)phosphate, 0.001 mol or more of the tris(oxalato)phosphate is present, a holding method, and a storage container.
Resumen de: EP4718567A1
A nonaqueous solvent solution containing a nonaqueous solvent, a difluorobis(oxalato)phosphate, and a tris(oxalato)phosphate in which a concentration of the difluorobis(oxalato)phosphate in the nonaqueous solvent solution is 10 to 50 mass% and in which a ratio of the difluorobis(oxalato)phosphate to the tris(oxalato)phosphate is such that, per 1 mol of the difluorobis(oxalato)phosphate, 0.001 mol or more of the tris(oxalato)phosphate is present, and a method for producing a nonaqueous electrolyte solution including adding a nonaqueous solvent solution to a base nonaqueous electrolyte solution containing a solute and a solvent for a nonaqueous electrolyte solution.
Nº publicación: EP4718559A1 01/04/2026
Solicitante:
NINGBO RONBAY NEW ENERGY TECH CO LTD [CN]
Ningbo Ronbay New Energy Technology Co., Ltd
Resumen de: EP4718559A1
A sulfide solid electrolyte, and a preparation method thereof and a use thereof, where the sulfide solid electrolyte has a chemical composition of LiaSbbPcSdOeClf, where 4.5≤a≤6.5, 0.02≤b≤0.9, 0.01≤e≤0.06, 0.9≤f≤1.6, b+c=1, d+e=5, and a percentage of Sb-S bonding in a total bonding formed by Sb is not less than 98%. In an X-ray diffraction pattern of the sulfide solid electrolyte, intensities of diffraction peaks at 2θ of 29.8±0.25°, 33.33±0.25° and 31.45±0.25° are Ia, Ib and Ic, respectively; where Ic/Ia is 18-26%, and Ic/Ib is 25-36%. The sulfide solid electrolyte has good ionic conductivity, and also has good stability in air.
BOPI
Sede Electrónica
