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1729
resultados
Última actualización
19/03/2026 [07:23:00]
Resultados 750 a 775 de 1729
Resumen de: EP4708463A1
Provided is a battery pack comprising: a plurality of cell assemblies each of which includes a cell stack comprising a plurality of battery cells stacked together and a cooling member covering at least one surface of the cell stack; and a pack housing in which the plurality of cell assemblies are accommodated, wherein the cooling member includes: a base plate arranged to be opposite to the bottom surface of the cell stack; at least one side plate arranged to be opposite to the cell stack in the stacking direction of the plurality of battery cells and coupled to the pack housing; and a flow path part provided across the base plate and the at least one side plate and configured to allow a coolant to flow therethrough.
Resumen de: EP4708492A1
A battery rack according to an embodiment of the present disclosure is for housing a battery, the battery rack comprising: a first sub-rack that includes a first column that is vertically erected, and includes a plurality of battery housing spaces formed along the first column, and a second sub-rack that includes a second column that is vertically erected, and includes a plurality of battery housing spaces formed along the second column, wherein the first sub-rack and the second sub-rack are arranged along the longitudinal direction of the battery rack, and wherein the first sub-rack and the second sub-rack have a structure with an opened upper end.
Resumen de: EP4708521A1
A battery cell (20), a battery, and an electric apparatus are provided. The battery cell (20) includes: a housing (22), where the housing (22) forms an accommodating space; an electrode assembly (21), where the electrode assembly (21) is disposed within the accommodating space; a top cover (23), where the top cover (23) is connected to the housing (22) and covers the accommodating space, the top cover (23) is provided with a protrusion (231), the protrusion (231) is located within the accommodating space, and the protrusion (231) is configured to shield between the electrode assembly (21) and at least a portion of the connection at which the top cover (23) is connected to the housing (22). By providing the protrusion (231) on the top cover (23), cooperation between the protrusion (231) and the housing (22) can block laser or falling particles during welding, and prevent laser or particles from entering the accommodating space and thus causing damage to the electrode assembly (21).
Resumen de: EP4708479A1
The present disclosure provides a cover plate assembly and a battery. The cover plate assembly is mounted on a housing with an accommodation cavity, and comprises: a cover plate, provided with a first mounting hole in communication with the accommodation cavity; a collection component, located in the accommodation cavity and configured to obtain a parameter information inside the housing; a lower connection part, of which a first end is located in the first mounting hole and a second end is in communication connection with the collection component; and, an upper connection part, of which a first end is detachably in communication connection with the first end of the lower connection part and a second end passes through the first mounting hole.
Resumen de: EP4708388A1
The present invention relates to a positive electrode active material capable of improving performance of a lithium secondary battery, wherein it relates to a positive electrode active material including a lithium composite transition metal oxide in a form of a single particle; and a coating portion which is formed on the lithium composite transition metal oxide and includes an amorphous lithium compound, wherein the coating portion includes a first coating portion; and a second coating portion, wherein the first coating portion is in a form of a discontinuously formed island, and the second coating portion is in a form of a continuously formed coating layer, wherein the first coating portion and the second coating portion each independently include boron (B) and cobalt (Co), and optionally include at least one coating element selected from the group consisting of Co, Al, Ba, Ce, Cr, F, Mg, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, S, Sr, Ta, La, and Hf, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4708533A1
The present disclosure relates to a battery module including: a plurality of battery cells; a module case having an upper opening and configured to accommodate the plurality of battery cells; and a top plate coupled to the upper opening of the module case and having a plurality of venting paths configured such that venting gas generated from the battery cell flow therethrough, and separated from each other.
Resumen de: EP4708505A1
A battery pack according to embodiments of the present disclosure is provided. The battery pack includes a pack housing including a base plate and sidewalls; first and second cross-beams disposed on the pack housing, and spaced apart in a first direction parallel to a mounting surface of the base plate and extending in a second direction parallel to the mounting surface of the base plate; a battery cell assembly interposed between the first and second cross-beams; a lead coupled to the sidewalls and covering the battery cell assembly; and a reinforcing bracket coupled to the lead and extending along the first direction.
Resumen de: EP4708417A1
Disclosed is a battery cell pressurizing device, which includes a plurality of mounting tables respectively configured so that at least one battery cell is mounted thereon, the plurality of mounting tables being arranged side by side in one direction; a pressurizing unit configured to pressurize the battery cells mounted on the plurality of mounting tables by pressing the plurality of mounting tables in a direction in which the plurality of mounting tables come into close contact with each other; and a plurality of pressure-sensitive sensors distributed on the plurality of mounting tables and configured to detect pressure applied to the battery cells mounted on each mounting table separately for each battery cell or to detect the pressure separately for different parts of each battery cell.
Resumen de: EP4708398A1
The present invention relates to a positive electrode active material comprising a lithium transition metal oxide in a form of a single particle, wherein the lithium transition metal oxide contains 60 mol% or more of nickel among total transition metals, wherein, when a pressure of 6,500 kgf/cm<sup>2</sup> is applied to the positive electrode active material, an amount of fine powder having a particle diameter of 1 µm or less is 10 vol% or less based on a total volume of the positive electrode active material after the applying the pressure, a method for preparing the positive electrode active material, and a positive electrode and lithium secondary battery including the positive electrode active material.
Resumen de: EP4708387A1
The present invention relates to a positive electrode active material including a lithium composite transition metal oxide in a form of a single particle; and a coating portion formed on a surface of the lithium composite transition metal oxide, wherein the coating portion includes a first coating portion; and a second coating portion, wherein the first coating portion is in a form of a discontinuously formed island, and the second coating portion is in a form of a continuously formed coating layer, wherein the first coating portion has a concentration gradient in which an amount of boron (B) decreases and an amount of cobalt (Co) increases from a surface thereof toward a center of a positive electrode active material particle, and the amount of the boron (B) among total metals excluding lithium in the positive electrode active material is in a range of 0.1 mol% to 1.25 mol%, and a positive electrode and a lithium secondary battery which include the same.
Resumen de: EP4708386A1
The present invention relates to a positive electrode active material capable of improving performance of a lithium secondary battery, the positive electrode active material including a lithium composite transition metal oxide in a form of a single particle; and a coating portion provided on the lithium composite transition metal oxide, wherein the coating portion comprises a first coating portion and a second coating portion, wherein the first coating portion is in a form of a discontinuously formed island, and the second coating portion is in a form of a continuously formed coating layer, wherein the first coating portion comprises boron (B) and optionally comprises at least one coating element selected from the group consisting of Co, Al, Ba, Ce, Cr, F, Mg, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, S, Sr, Ta, La, and Hf, the second coating portion comprises a compound having a composition represented by Formula 1 or 2 set forth in the specification, and an amount of boron (B) among total metals excluding lithium in the positive electrode active material is 0.1 mol% to 1.25 mol%, a method for preparing the positive electrode active material, and a positive electrode and lithium secondary battery including the positive electrode active material.
Resumen de: EP4708510A1
The present disclosure discloses an energy storage cabinet, including: a cabinet body and a base for supporting the cabinet body; the cabinet body is provided with an accommodating space, and a battery is accommodated in the accommodating space; the base includes two first beams which are opposite in a first direction, and two second beams which are opposite in a second direction; each first beam includes a first supporting portion, a middle connecting portion and a second supporting portion which are sequentially connected in the second direction; one second beam is connected between the two first supporting portions which are opposite in the first direction; the other second beam is connected between the two second supporting portions which are opposite in the first direction; fork through holes are respectively formed in each first supporting portion and each second supporting portion; the fork through holes respectively formed in the first supporting portions define a first fork channel; the fork through holes respectively formed in the second supporting portions define a second fork channel; and the first fork channel and the second fork channel extend in the same direction.
Resumen de: EP4708467A1
A secondary battery according to an embodiment of the present disclosure may include an electrode assembly, a support frame surrounding a part of the electrode assembly, a sheet-type outer packaging material surrounding a remaining part of the electrode assembly to form an accommodation space accommodating the electrode assembly together with the support frame, and coupled to the support frame to define the accommodation space separated from outside of the support frame, and an electrode terminal electrically connected to an electrode tab of the electrode assembly, and disposed in the sheet-type outer packaging material such that it is exposed to outside of the sheet-type outer packaging material.
Resumen de: EP4708502A1
A cell assembly according to an embodiment of the present disclosure may include a plurality of battery cells stacked on each other and each having an electrode lead; a first bonding body formed to contact the electrode leads of the plurality of battery cells; and a second bonding body formed to contact the plurality of battery cells and non-overlapped with the first bonding body, wherein the first bonding body may be made of a material having lower hardness than the second bonding body.
Resumen de: EP4708477A1
The present specification relates to a cell pouch film, a packaging structure comprising same, and a method for storing the corresponding cell pouch film. Therefore, the moisture regain of the cell pouch film is controlled such that moldability, the level of thermal deformation bubbles, and mechanical properties can all be excellent.
Resumen de: EP4707242A1
The present disclosure provides a lithium ion battery material and a preparation method therefor and a use thereof. The structural formula of the lithium ion battery material is Li4ZrF8-2XOX, wherein 0
Resumen de: EP4708374A1
The present invention relates to a positive electrode active material capable of improving performance of a lithium secondary battery, the positive electrode active material including: a first lithium composite transition metal oxide in a form of a single particle; and optionally a second lithium composite transition metal oxide in a form of a single particle, wherein the first lithium composite transition metal oxide in the form of a single particle includes 30 or less disk-type primary particles, wherein each of the disk-type primary particles is a primary particle observed from a scanning electron microscope (SEM) image of a surface or cross section of the positive electrode active material, wherein, when an imaginary tangent line with the most contact points is drawn to each of two boundary lines of the primary particle present within an angle of 45° or less based on a long diameter direction and one imaginary line crossing the two tangent lines is drawn, interior angles of same side are at least 150° and at most 210°, and an aspect ratio of (major axis/minor axis) is 1.5 or more, wherein the positive electrode active material includes the first lithium composite transition metal oxide in an amount of 20 vol% to 100 vol% based on a total volume of the positive electrode active material, a method for preparing the positive electrode active material, and a positive electrode and lithium secondary battery including the positive electrode active material.
Resumen de: EP4708384A1
The present invention relates to a method of preparing a positive electrode slurry composition, which includes steps of (S1) adding a positive electrode active material, a conductive agent, a binder, and a non-aqueous solvent to a mixer and mixing to prepare a mixture having a solid content of greater than 60 wt% and a temperature of -20°C to 45°C; (S2) cooling the mixture to -30°C to 15°C to prepare a positive electrode slurry composition precursor; and (S3) maintaining a temperature of the positive electrode slurry composition precursor to prepare a positive electrode slurry composition having a V<sub>72</sub> of 0% to 50%, wherein V<sub>n</sub> is a viscosity increase rate when the temperature of the positive electrode slurry composition precursor is maintained for n hours, and the viscosity increase rate is represented by Equation 1 described in the present specification, and a method of preparing a positive electrode.
Resumen de: EP4708383A1
The present invention relates to a method of preparing a positive electrode slurry composition, which includes steps of (S1) mixing a positive electrode active material, a conductive agent, and a binder in a non-aqueous solvent to prepare a mixture having a solid content of greater than 60 wt%; (S2) cooling the mixture to -30°C to 15°C to prepare a positive electrode slurry composition precursor; and (S3) maintaining a temperature of the positive electrode slurry composition precursor to prepare a positive electrode slurry composition having a V<sub>72</sub> of 0% to 50%, wherein V<sub>n</sub> is a viscosity increase rate when the temperature of the positive electrode slurry composition precursor is maintained for n hours, and the viscosity increase rate is represented by Equation 1, and a method of preparing a positive electrode.
Resumen de: EP4708438A1
A monomer for an electrolyte according to embodiments of the present disclosure may include a first monomer represented by Formula 1 and a second monomer represented by Formula 2. A lithium secondary battery according to embodiments of the present disclosure may include a cathode, an anode, and an electrolyte layer, wherein the electrolyte layer may include a polymer derived from a compound represented by Formula 1.
Resumen de: EP4708544A1
Disclosed is a battery assembly. The battery assembly includes a case providing an inner space; a first battery array accommodated inside the case and including a plurality of battery cells stacked in a left and right direction; a second battery array accommodated inside the case and including a plurality of battery cells stacked in the left and right direction, the second battery array being stacked with the first battery array in the left and right direction; a first bus bar electrically connected to a front side of the first battery array and electrically insulated from the second battery array; and a second bus bar electrically connected to a front side of the second battery array and electrically insulated from the first battery array.
Resumen de: EP4708539A1
The present disclosure provides a separator, a preparation method thereof, and a secondary battery using the same. The separator comprises a substrate layer and a hybrid coating applied to at least one surface of the substrate layer. In parts by weight, the hybrid coating comprises 25 parts to 45 parts of a component A, 13 parts to 16 parts of a component B, and 6 parts to 8 parts of a binder. The component A is cellulose with a characteristic peak for a molecular chain spacing at 2θ of 10° to 35°, and the component B is at least one selected from the group consisting of an oxide, a ceramic fiber, and a metal-organic framework. Compared to the prior art, the separator provided by the present disclosure adopts the hybrid coating in which cellulose with a characteristic peak for a molecular chain spacing at 2θ of 10° to 35° is adopted as the component A and contents of the component A, the component B, and the binder are controlled within the above ranges. As a result, the present disclosure effectively enhances the heat resistance of the separator and guarantees the high safety of batteries even when used under extreme conditions.
Resumen de: EP4708488A1
The present disclosure may provide a battery module including a plurality of battery cells having a storage portion and a sealing portion, respectively, and configured to be stacked on each other, a module case configured to store the plurality of battery cells in an inner space, and a pressing member positioned to face at least one surface of a terrace portion where an electrode lead is located in the sealing portion of the battery cell, and configured to pressurize the terrace portion when internal pressure inside the battery cell increases.
Resumen de: EP4707235A1
Silicon-carbon composite matertials and related processes are disclosed that overcome the challenges for providing amorphous nano-sized silicon entrained within porous carbon. Compared to other, inferior materials and processes described in the prior art, the materials and processes disclosed herein find superior utility in various applications, including energy storage devices such as lithium ion batteries.
Nº publicación: EP4708529A1 11/03/2026
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
Resumen de: EP4708529A1
The present disclosure relates to a battery module and a battery pack including the same, and more specifically, to a battery module capable of uniformly discharging gases to the outside of the module case while confining flames inside the module case when flames and gases are generated inside the battery module case, and a battery pack including the same.A battery module according to the present disclosure includes a battery cell, a module case accommodating a plurality of battery cells, and a module gas discharge unit that delays the discharge of flames among flames and gases generated inside the module case and discharges gases to the outside, wherein the module gas discharge unit includes check valves installed at each corner portion of the upper surface of the module case, thereby uniformly discharging gases inside the module case to the outside while confining flames inside the module case, which may prevent the propagation of fire to the surroundings.
BOPI
Sede Electrónica
