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1802
resultados
Última actualización
14/10/2025 [07:10:00]
Resultados 675 a 700 de 1802
Resumen de: WO2025206032A1
Disclosed is an active material which contains a compound and a conductive material. The compound contains a lithium (Li) element, a sulfur (S) element, a phosphorus (P) element, an M element (M is at least one element selected from among iron (Fe), titanium (Ti), germanium (Ge), antimony (Sb), silicon (Si), tin (Sn), aluminum (Al), nickel (Ni), cobalt (Co), and manganese (Mn)), and a halogen (X) element, and satisfies the following relational expressions (1) to (4): (1) 6.0 ≤ Li/(M + P) ≤ 10.0; (2) 0.0 ≤ X/(M + P) ≤ 1.6; (3) 0.0 < (X + M)/(M + P) < 1.6; and (4) 0.0 < M/(M + P) < 1.0. The active material satisfies a specific relationship in X-ray diffraction measurement using CuKα1 rays.
Resumen de: WO2025203562A1
The purpose of the present invention is to provide a method for manufacturing a sulfur mold with which it is possible to reduce the necessity of disposing an adjustment object in a mold cavity in order to adjust the size of a space in the mold cavity, and improve manufacturing efficiency. A method for manufacturing a sulfur mold according to the present invention is a method for manufacturing a sulfur mold 1002 having a predetermined shape in which a conductive material is impregnated with sulfur, which is an anode active material of a sodium-sulfur battery, and includes a step for injecting a molten sulfur 30 into a mold cavity 20 from an injector 3 connected to a mold 2 after disposing a conductive material 21 in the mold cavity 20 in the mold 2. The injection of the molten sulfur 30 by the injector 3 is performed at an injection time determined on the basis of the weight of the conductive material 21 measured before the injection of the molten sulfur 30, and at a constant injection pressure.
Resumen de: WO2025203118A1
The present invention relates to a bus bar (1) capable of electrically connecting with terminals of a battery or cell using laser power source welding. The bus bar (1) comprises of a plurality of first contact portions (10) and a plurality of second contact portions (20). The first contact portion (10) of the bus bar is connected to a negative terminal of a battery cell and the second contact portion (20) of the bus bar is connected to the positive terminal of the battery cell.
Resumen de: WO2025204685A1
Provided is a method for producing a recycled positive electrode active material including the following steps. Step (1): a step for obtaining a mixture by mixing a positive electrode mixture containing a positive electrode active material and an activation treatment agent containing one or more alkali metal compounds; step (2): a step for heating the mixture to a temperature equal to or higher than the melting start temperature of the activation treatment agent in the presence of nitrogen having a flow rate equal to or higher than 0.070 L/min per 1 L heating space to obtain a heated mixture; and step (3): a step for recovering the heated positive electrode active material from the heated mixture.
Resumen de: WO2025205529A1
Provided is a laminated all-solid-state battery which hardly causes a decrease in energy density. This all-solid-state battery comprises: a plurality of laminates (3) in which a positive electrode layer (31) and a negative electrode layer (32) are laminated; a positive electrode current collector (4); and a negative electrode current collector (6). The positive electrode layers (31) face each other and the negative electrode layers (32) face each other between the laminated plurality of laminates (3). The positive electrode current collector (4) is folded back along one side surface (3a) of each of first and second laminates (3) so as to contact the positive electrode layer (31) of the first laminate (3) and the positive electrode layer (31) of the second laminate (3) laminated on the first laminate (3). The negative electrode current collector (6) is folded back along the other side surface (3b) of each of second and third laminates (3) on the side different from the one side surface (3a) so as to contact the negative electrode layer (32) of the second laminate (3) and the negative electrode layer (32) of the third laminate (3) laminated on the second laminate (3).
Resumen de: WO2025200282A1
A battery module (10), a battery (100), and an electric device. The battery module (10) comprises at least two battery columns (11) and a plurality of first insulating members (12). Each battery column (11) comprises at least two battery cells (110) arranged side by side in a first direction (X), an end cap (111) of each battery cell (110) is provided with two terminals (112) respectively located at two ends thereof in the first direction (X), the at least two battery columns (11) are arranged in a second direction (Y) perpendicular to the first direction (X), the end caps (111) of all the battery cells (110) of the at least two battery columns (11) face the same direction, such that the battery cells (110) of different battery columns (11) at the corresponding positions form battery rows, and the plurality of terminals (112) of the plurality of battery rows form a plurality of terminal rows, each terminal row extending in the second direction (Y). The first insulating members (12) are correspondingly arranged to cover above the terminal rows, a first insulating member (12) corresponds to each terminal row, and the first insulating member (12) avoids a pressure relief structure (114). This technical solution can effectively prevent the ignition problem caused by thermal diffusion and improve the operational reliability of the battery.
Resumen de: WO2025204459A1
An all-solid-state battery (1) is provided with an electrode laminate (10) and an exterior film (20) that accommodates the electrode laminate (10). Sealing parts (21, 22) of the exterior film (20) are disposed in a direction orthogonal to the lamination direction of the electrode laminate (10), and gaps (11A, 12A, 13A, 14A) are provided between the exterior film (20) and the electrode laminate (10) along edges (11, 12, 13, 14) of the outermost surface of the electrode laminate (10) in the lamination direction.
Resumen de: WO2025206765A1
The present invention relates to: a cathode active material capable of improving the performance of a lithium secondary battery; and a cathode and a lithium secondary battery which comprise the cathode active material. The cathode active material comprises: a lithium composite transition metal oxide in the form of a single particle composed of 50 or less primary particles; and a coating layer containing a coating element and formed on the lithium composite transition metal oxide, wherein the coating element is at least one selected from the group consisting of Zn, Co, Ti, Nb, V, Mo, W, Al, Zr, and B, the dibutylphthalate (DBP) oil absorption per 100 g of the cathode active material is 25.0 ml or less, and the circularity according to Equation 1 described in the present specification is 0.70 or more.
Resumen de: WO2025200116A1
A battery (10) and a vehicle (100). The battery (10) comprises a case (2), a battery cell (3), a thermal management component (4), a first connector (5), a second connector (6), and a mount (1). The case (2) has an accommodating space (2a), the battery cell (3) is accommodated in the accommodating space (2a), the thermal management component (4) is accommodated in the accommodating space (2a), and the thermal management component (4) is used for accommodating a fluid to manage the temperature of the battery cell (3). The first connector (5) is electrically connected to the battery cell (3). The second connector (6) is in communication with the thermal management component. The mount (1) is connected to the case (2), the first connector (5) and the second connector (6) are both arranged on the mount (1), and at least part of the first connector (5) and at least part of the second connector (6) are located outside the case (2). The first connector (5) and the second connector (6) can move together with the mount (1) towards a connector of the vehicle (100), such that the first connector (5) and the second connector (6) can be directly connected to the connector of the vehicle (100) separately, achieving separate fast connection of the first connector (5) and the second connector (6) to the connector of the vehicle (100), achieving fast swapping of the battery (10), and thus improving the battery swapping efficiency of the battery (10).
Resumen de: WO2025199922A1
A secondary battery (100) and an electronic apparatus (1). The secondary battery (100) comprises a packaging bag (10) and an electrode assembly (20), the electrode assembly (20) being of a wound structure. A negative electrode active material layer (221) of a negative electrode sheet (22) comprises a silicon material, the mass percentage thereof in the negative electrode active material layer (221) being 4% to 50%. The secondary battery (100) further comprises one or two positive electrode tabs (30), no fewer than two first negative electrode tabs (40) and a first adapter tab (50). In the thickness direction of the electrode assembly (20), all the first negative electrode tabs (40) overlap and are connected to the first adapter tab (50), and both the positive electrode tabs (30) and the first adapter tab (50) extend out of the packaging bag (10) from a same side of the packaging bag (10) and are configured to be separately and electrically connected to an external circuit. A positive electrode active material layer (211) of a positive electrode sheet (21) is provided with one or two first recesses (2110), each positive electrode tab (30) being provided in one first recess (2110) and being electrically connected to a positive electrode current collector (210). The first negative electrode tabs (40) are integrated with a negative electrode current collector (220) of the negative electrode sheet (22) and are connected to an end edge of the negative electrode current collector (2
Resumen de: WO2025199795A1
A secondary battery (100) and an electronic device (1000). The secondary battery (100) comprises an electrode assembly (20) and a first tab (30). The electrode assembly (20) comprises a first electrode sheet (21), a second electrode sheet (22) and a separator (23) arranged between the first electrode sheet (21) and the second electrode sheet (22), wherein the first electrode sheet (21), the second electrode sheet (22) and the separator (23) form a wound structure. The first electrode sheet (21) comprises a first current collector (211) and a first active material layer (212) which are stacked, the first current collector (211) is provided with a first connection region (2111), and the first connection region (2111) is not provided with the first active material layer (212). The first tab (30) is welded to the first connection region (2111); the first connection region (2111) comprises a plurality of welding regions (211a); the plurality of welding regions (211a) are arranged in the winding direction of the electrode assembly (20); and at least one welding mark (203) formed by welding the first tab (30) and the first connection region (2111) is provided in the welding regions (211a). In the winding direction of the electrode assembly (20), the welding mark (203) in the welding region (211a) among the plurality of welding regions (211a) closest to the winding center of the electrode assembly (20) has a minimum welding strength. It is conducive to improving the tensile capacity
Resumen de: WO2025204482A1
Provided is a ferritic stainless steel foil exhibiting excellent corrosion resistance. A ferritic stainless steel foil according to the present disclosure is provided with a foil main body made of ferritic stainless steel, and has an average half-value width F110 of the peak of a {110} plane in a region from a 0.38 μm depth position to a 2.82 μm depth position from the surface of the foil main body, said value being obtained by grazing-incidence X-ray diffraction, equal to or higher than 0.490°.
Resumen de: WO2025204484A1
Provided is a ferritic stainless steel foil exhibiting excellent corrosion resistance. A ferritic stainless steel foil according to the present disclosure is provided with a foil main body made of ferritic stainless steel, wherein the diffraction intensity I110 of the {110} plane, the diffraction intensity I200 of the {200} plane, and the diffraction intensity I211 of the {211} plane, which are obtained by concentration X-ray diffraction measurement in the foil main body, satisfy formula (1). I110/(I110 + I200 + I211) ≤ 0.16 (1)
Resumen de: WO2025206898A1
The present invention provides an electrode assembly and a secondary battery including same. The electrode assembly includes: a first electrode including a first base layer and first mixture layers coated on both surfaces of the first base layer; a second electrode including a second base layer and a third base layer, an insulating layer disposed between the second base layer and the third base layer, a second mixture layer coated on the second base layer, and a third mixture layer coated on the third base layer; and a separator disposed between the first electrode and the second electrode, wherein the insulating layer may extend from one side surface of each of the second base layer and the third base layer to be exposed.
Resumen de: WO2025201212A1
The present application discloses a busbar, a battery pack, and a vehicle. The busbar comprises a buffer section and two battery cell connecting sections. The buffer section comprises at least two bending structures which are continuously arranged in a first direction. The two battery cell connecting sections are arranged on two opposite sides of the buffer section in the first direction. The at least two bending structures include at least one first bending structure and at least one second bending structure; the first bending structure and the second bending structure are arranged in a staggered manner in the first direction; the first bending structure and the second bending structure respectively protrude from any side of two opposite sides of the battery cell connecting sections in a second direction; and the first direction intersects the second direction. The busbar disclosed in the present application is not easily damaged under the action of an external force, and the busbar has relatively good working stability.
Resumen de: WO2025204682A1
This production method for a recycled positive electrode active material includes the following steps: (1) a step for mixing a positive electrode mixture that contains a positive electrode active material and a carbon-containing material, and an activation treatment agent that contains one type or two or more types of alkali compounds, thereby obtaining a mixture; (2) a step for bringing the mixture into a heating furnace, heating the mixture, and removing, from the heating furnace, carbon dioxide generated by heating the carbon-containing material, thereby obtaining a mixture after heating; and (3) a step for recovering, from the mixture after heating, a positive electrode active material after heating.
Resumen de: WO2025200572A1
An end cover assembly, a battery device, and an electric device. The end cover assembly comprises a cover plate (10), an adhesive member (20) and an insulating member (30); the cover plate (10) is provided with a first mounting hole (11); the adhesive member (20) is bonded to the cover plate (10); the adhesive member (20) is provided with a second mounting hole (21); the second mounting hole (21) corresponds to the first mounting hole (11); the insulating member (30) is arranged on the side of the cover plate (10) facing away from the adhesive member (20); the insulating member (30) is provided with a third mounting hole (31); the third mounting hole (31) corresponds to the first mounting hole (11); the thickness of the adhesive member (20) is H1, the thickness of the insulating member (30) is H2, and the following condition is satisfied: H1<H2. By means of the configurations, the connection reliability of the end cover assembly is improved, and the risk of detachment during manufacturing and usage is reduced.
Resumen de: WO2025204689A1
This method for producing a recycled positive electrode active material involves the following steps: (1) a step for mixing a positive electrode mixture containing a positive electrode active material and an activation treatment agent containing one or more alkali metal compounds to obtain a mixture; (2) a step for heating the mixture to obtain a heated mixture; (3) a step for bringing the heated mixture into contact with a first liquid containing water and an alkali metal compound to obtain a first solid component and a first liquid component; (4) a step for bringing the first solid component into contact with a second liquid containing water and containing an alkali metal compound at an amount smaller than that in the first liquid to obtain a second solid component and a second liquid component; and (5) a step for recovering a recycled positive electrode active material from the second solid component.
Resumen de: WO2025205468A1
This positive electrode for lithium ion secondary batteries includes a positive electrode active material layer. A positive electrode active material included in the positive electrode active material layer contains active material particles composed of a lithium composite oxide (X) having a layered rock-salt type crystal structure. The average particle diameter d50 of the active material particles in a volume-based particle size distribution obtained by using a laser diffraction scattering particle size distribution measurement method is 5.0 μm or less. The ratio (d90/DSEM) between the particle diameter d90 of the active material particles that has a cumulative value of 90% in the volume-based particle size distribution, which is obtained by using the laser diffraction scattering particle size distribution measurement method, and the average particle diameter DSEM based on electron microscope observation of the active material particles is 3.1 or less.
Resumen de: WO2025203689A1
A method for manufacturing a battery module including a laminate in which a plurality of units are stacked, each unit including a first cell group and second cell group including a plurality of cells extending in a first direction and arranged in a second direction orthogonal to the first direction, and a temperature control plate placed between the first cell group and the second cell group and extending in the second direction, the method comprising: positioning a positional relationship between cells in the first cell group using a first jig; positioning a positional relationship between cells in the second cell group using a second jig; and bonding the first cell group, the second cell group, and the temperature control plate with an adhesive.
Resumen de: WO2025206162A1
Problem To provide a means capable of improving discharging and charging efficiency of an aqueous secondary battery in which manganese dioxide is used as a positive electrode active material. Solution A substituted manganese dioxide, in which an oxygen element of manganese dioxide is substituted by one or more types of substitution elements, is used as a positive electrode active material of an aqueous secondary battery.
Resumen de: WO2025206537A1
A battery module is disclosed. The battery module according to one embodiment of the present invention may comprise: a case providing a space therein and having a top plate; a battery cell located inside the case; a first cover coupled to the upper surface of the top plate and having a first separation line; and a second cover coupled to the upper surface of the first cover and having a second separation line.
Resumen de: WO2025206804A1
The present invention relates to a silicon-based anode material and a secondary battery comprising same. The silicon-based anode material comprises: a carbon-based structural reinforcing body; and silicon particles bonded to the carbon-based structural reinforcing body, wherein the amount of silicon elements is 80-99 wt% and the amount of carbon elements is 1-20 wt% on the basis of the total weight of the silicon-based anode material, and the crystallite size of the silicon particles is 60 nm or less.
Resumen de: WO2025203115A1
A fire protection device for battery pack in a vehicle is disclosed the device comprising: a plurality of sensor modules coupled to a battery management system (BMS), and is configured to detect at least one condition associated with the battery pack; a control unit coupled to the plurality of the sensor modules; and at least one fire suppressor coupled to the control unit, wherein the control unit is configured to receive at least one input from the plurality of sensor modules, the input indicating the at least one condition associated with the battery pack analyse input value associated with the condition to determine if the input value condition is beyond a threshold value; activate the fire suppressor based on determination that the input value is beyond the threshold value; and send feedback of fire suppression to the BMS.
Nº publicación: WO2025200450A1 02/10/2025
Solicitante:
BYD COMPANY LTD [CN]
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Resumen de: WO2025200450A1
Provided are a cathode active material, a positive electrode, a secondary battery, and an electric device. A particle size distribution curve of the cathode active material satisfies a special mathematical relationship, and therefore the cathode active material has a relatively high compacted density, a relatively large first charge specific capacity, and a relatively high initial coulombic efficiency.
BOPI
Sede Electrónica
