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1722
resultados
Última actualización
09/04/2026 [18:19:00]
Resumen de: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
Resumen de: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
Resumen de: US2025360356A1
In a first step, a time series of images are resized to a smaller dimension, and the smaller images are fed into a first classifier that is trained to classify as a ball any objects in the smaller images that resemble a ball. In a second step, the smaller images are mapped back to the series of images, and regions in the series of images that contain the mapped ball are cropped from the series of images. The mapped ball is shifted based on a velocity of the mapped ball in the cropped regions, and the second classifier regresses center coordinates and a radius of the shifted ball, classifies whether the shifted ball is the ball based on a confidence score, and updates the shifted ball in the cropped regions based on the regressed center coordinates and radius.
Resumen de: EP4723285A1
0001 The present application relates to a pole piece folding control method and apparatus, a pole piece folding apparatus, and a battery production system. During the folding process of a pole piece group, a conveying component is controlled to operate, and the pole piece group is driven to move towards a stacking platform. When a lamination area on the stacking platform starts to fold or has been folded, at least one of the conveying component and the stacking plaform is controlled to move such that the distance between a conveying end of the conveying component and at least part of an operating surface of the stacking platform is pulled open. In this way, a clearance space can be provided for folding of the lamination area, thereby facilitating stress relief of the lamination area during folding, reducing a pulling force of the lamination area in a folded state on a non-folded lamination area, and reducing a degree of bending and warping of the lamination area at a folding position. Thus, the probability of abnormal gaps being generated at the folding position of a laminated structure is reduced, thereby effectively reducing the probability of lithium deposition at the folding position of the electrode, and improving the quality of the laminated battery.
Resumen de: EP4723286A1
0001 The present application relates to an electrode sheet folding control method and apparatus, and an electrode sheet folding apparatus, and a battery production system. During the process of folding an electrode sheet group, a conveying component is controlled to work, so as to drive the electrode sheet group to move towards a folding platform. When a lamination region on the folding table begins to be folded or has been folded, at least one of the conveying component and the folding table is controlled to translate transversely in a preset direction, such that the distance of a connecting line between a conveying end of the conveying component and a folding starting point of the lamination region on the folding table is increased. In this way, a clearance space can be provided for the folding of the lamination region, thereby facilitating stress release of the lamination region during folding, such that a pulling force of the lamination region that is being in a folded state on an unfolded lamination region is reduced, and the degree of bending and warping of the lamination region at a folding position is reduced. In this case, the probability of a gap anomaly being generated at a folding position of a formed laminated structure is reduced, such that the probability of a lithium plating phenomenon occurring in an electrode sheet at the folding position is effectively reduced, thereby improving the quality of a laminated battery.
Resumen de: EP4723271A1
0001 A battery cell, a battery, and an electrical apparatus are disclosed in the present application. The battery cell includes a shell, an electrode terminal, an electrode assembly, a first adapter, and a second adapter. The shell has a first wall. The electrode terminal is mounted on the first wall in an insulated manner. The electrode assembly includes a main body part, a first tab, and a second tab. The first tab and the second tab have opposite polarities. In a thickness direction of the first wall, the first tab and the second tab are both arranged at one end of the main body part facing the first wall. The first adapter includes a first connecting portion and a second connecting portion, the first connecting portion is connected to the first wall, and the second connecting portion is connected to the first tab. The second adapter connects the electrode terminal and the second tab. In the thickness direction of the first wall, an orthographic projection of the first adapter does not overlap an orthographic projection of the second adapter, and in the thickness direction of the first wall, an orthographic projection of the first connecting portion does not overlap an orthographic projection of the second tab. The technical solution provided in the present application is capable of improving the reliability of batteries.
Resumen de: EP4723289A1
The present application provides a battery cell, a battery, and an electrical apparatus, which belongs to the field of battery technologies. The battery cell includes a case assembly, an end cover, and an electrode assembly. The case assembly is provided with an accommodating cavity having an opening formed therein. The case assembly has a first electrode lead-out portion and a second electrode lead-out portion. In a first direction, the first electrode lead-out portion and the second electrode lead-out portion are both located at one end of the case assembly away from the opening. The end cover covers the opening. The electrode assembly is accommodated in the accommodating cavity, and the electrode assembly includes a main body part, a first tab, and a second tab. The first tab and the second tab have opposite polarities. The first tab and the second tab are both arranged at one end of the main body part away from the end cover in the first direction. The first tab and the second tab are electrically connected to the first electrode lead-out portion and the second electrode lead-out portion, respectively. The end cover is provided with a pressure relief portion, and the pressure relief portion is configured to be capable of relieving an internal pressure of the battery cell. Therefore, it is conducive to reducing the difficulty of arranging the pressure relief portion on the battery cell.
Resumen de: EP4723340A1
0001 Embodiments of the present application provide a battery cell, a battery, and a power consuming device, and belongs to the field of battery technologies. The battery cell includes a housing and an electrode assembly. The housing includes a first half region and a second half region. Along a length direction of the housing, a part from a middle section of the housing to an end of the housing is the first half region, a part from the middle section of the housing to the other end of the housing is the second half region, a length of the housing is L, L≥80 mm, and the middle section is perpendicular to the length direction. The electrode assembly is accommodated in the housing. The electrode assembly includes a body portion and a tab, at least one end of the body portion along the length direction is provided with the tab, a part of the body portion is located in the first half region, and the other part of the body portion is located in the second half region. The first half region and the second half region are each provided with at least one pressure relief mechanism, the body portion is provided with a central hole, along the length direction, the central hole runs through the body portion, and the central hole is configured to communicate an internal space of the first half region with an internal space of the second half region. The reliability of the battery cell can be effectively improved.
Resumen de: EP4723297A2
0001 Die vorliegende Anmeldung betrifft ein Verfahren zur Aufbereitung und Verwertung von Lithium-Ionen-Batterien umfassend wenigstens einen Schritt, in dem eine Zerkleinerung der Batterien (2, 10) in Gegenwart eines wässrigen Mediums (12) erfolgt, wobei die Batterien (2, 10) noch mit einer Restladung von maximal 30 % unter Zugabe von Wasser (12) in einer Zerkleinerungseinrichtung (73) zerkleinert werden, wobei das Wasser (12) in einer solchen Menge und mit einer solchen Temperatur zugeführt wird, dass sich das Gemisch beim Zerkleinern nicht über eine Temperatur von mehr als 40 °C, bevorzugt nicht über eine Temperatur von 30 °C hinaus erwärmt; sowie eine entsprechende Anlage (71).
Resumen de: EP4723269A1
0001 An apparatus of manufacturing a battery module according to an embodiment of the present disclosure includes a guide plate that wraps a battery cell stack from left and right sides, with the battery cell stack being configured to stack a plurality of battery cells, wherein the guide plate comprises a body part in contact with the battery cell stack, and an insertion part connected to one end part of the body part and bent and protruded to the inner side of the battery cell stack; and the battery cell stack is inserted into the interior of the frame member whose upper part is opened by the insertion part.
Resumen de: EP4722151A1
A lithium manganese iron phosphate cathode material, including a first lithium manganese iron phosphate particle and a second lithium manganese iron phosphate particle. A molar ratio of Mn to Fe in the first lithium manganese iron phosphate particle is greater than or equal to 1. A molar ratio of Mn to Fe in the second lithium manganese iron phosphate particle is smaller than or equal to the molar ratio of Mn to Fe in the first lithium manganese iron phosphate particle. A particle size of the first lithium manganese iron phosphate particle is smaller than or equal to a particle size of the second lithium manganese iron phosphate particle. A preparation method of the lithium manganese iron phosphate cathode material and an application thereof are provided. The first precursor, having a manganese content greater than or equal to that of iron, inhibits crystal growth during sintering, resulting in a smaller particle size. The second precursor, having a manganese to iron ratio smaller than or equal to the ratio in the first precursor, promotes crystal growth during sintering, resulting in a larger particle size. This results in a particle size grading between large particles and small particles, improves the spatial utilization of particle packing, and enhances the compaction density and volumetric capacity of the lithium manganese iron phosphate cathode material.
Resumen de: EP4723335A1
0001 An energy storage module and a sealing structure thereof The sealing structure comprises a bottom plate (1), an enclosure portion (2) and a potting adhesive (4), wherein the bottom of the enclosure portion (2) is connected to the bottom plate (1) in a sealed manner; a module unit body (3) is loaded in an enclosed space of the enclosure portion (2); and the potting adhesive (4) is potted into an opening in the top of the enclosure portion (2) and covers the top of the module unit body (3). By means of designing the sealing structure of the energy storage module in the above structural form, the potting adhesive (4) can ensure a sealing effect on the module unit body (3); in addition, when the module unit body (3) loaded in the enclosure portion (2) has a fault and generates a high-temperature and high-pressure gas, after encountering the high-temperature and high-pressure gas, the potting adhesive (4) is heated and melts into a liquid state, and the high-temperature and high-pressure gas can escape from the liquid potting adhesive (4), thereby realizing the aim of pressure relief, such that the provisions of a box cover and a pressure relief valve are omitted, thus greatly saving on the cost.
Resumen de: EP4722165A2
The present disclosure provides a positive electrode in which a positive electrode mixture containing a positive electrode active material is formed on a positive electrode current collector, wherein the positive electrode active material includes a lithium transition metal oxide powder represented by the following chemical formula 1, LiaNixCoyMzO2-wAw (1)wherein, M is at least one selected from the group consisting of Mn, Ti, Mg, Al, Zr, Mn and Ni, A is an oxygen-substituted halogen, and 1.00≤a≤1.05, 0.1≤x≤0.8, 0.1≤y≤0.8, 0.01≤z≤0.4, and 0≤w≤0.001,wherein the lithium transition metal oxide powder is composed of: large particles in which secondary particles are formed by aggregating primary particles, and an average particle diameter (D50) of the secondary particles is 7 µm to 17 µm, and small particles in which single particles are formed and having average particle diameter (D50) of 2 µm to 7 µm, wherein a mixing ratio of the large particles and the small particles is 5:5 to 9:1 based on the weight, and wherein the positive electrode mixture has a porosity of 22% to 35%.
Resumen de: EP4722162A1
A lithium metal composite oxide and the like capable of improving an initial charge and discharge efficiency are provided. In a curve, pores of the lithium metal composite oxide include first pores in which a pore size dp and a maximum pore size dpm satisfy a relationship represented by dp/dpm < 0.10, second pores in which the pore size dp and the maximum pore size dpm satisfy a relationship represented by 0.10 ≤ dp/dpm ≤ 0.65, and third pores in which the pore size dp and the maximum pore size dpm satisfy a relationship represented by dp/dpm > 0.65. A volume V1 of the first pores, a volume V2 of the second pores, and a volume V3 of the third pores satisfy relationships represented by "0 < 100·V1/(V1 + V2 + V3) ≤ 70" and "0 < 100·V3/(V1 + V2 + V3) ≤ 15".
Resumen de: EP4722163A1
0001 A lithium metal composite oxide and the like capable of improving a discharge capacity at a high rate are provided. In the lithium metal composite oxide having pores, the maximum value dV1 of a proportion dVp/ddp in which a pore volume Vp of the pore increases with respect to an increase in a pore size dp of the pore satisfies a relationship represented by "dV1 ≤ 1.00 × 10<-4>" in a range in which a proportion dap/ddp in which a pore surface area ap of the pore increases with respect to the increase in the pore size dp of the pore satisfies a relationship of "dap/ddp ≤ 0.10", and the maximum value dV2 of the dVp/ddp satisfies a relationship represented by "dV2 ≥ 1.00 × 10<-4>" in a range in which the dap/ddp satisfies a relationship of "dap/ddp > 0.10".
Resumen de: EP4723179A1
0001 Provided are a method for manufacturing a battery electrode sheet, a battery electrode sheet, and a battery. The battery electrode sheet includes a current collector (1), a first coating (2) and a second coating (3) which are disposed on one side surface of the current collector (1). The method for manufacturing the battery electrode sheet includes the following: one side surface of the current collector is divided into a first region and a second region; and the first region and the second region are coated by controlling a coater to form a first coating in the first region and a second coating in the second region, where the areal density of the first coating is greater than the areal density of the second coating. According to the manufacturing method for the battery electrode sheet, the manufactured battery electrode sheet and the manufactured battery, the flow guide channel for the circulation of electrolyte is reserved on the current collector in the coating process, the manufacturing method is simple and feasible, the problem of electrolyte infiltration in a cell and the problem of uneven distribution of the electrolyte caused by expansion of the electrode sheet during use of the cell are solved, whereby the high energy density of the battery is achieved while optimizing both the fast-charging performance and the service life.
Resumen de: EP4723192A1
Provided herein is a lithium-ion battery and an electrical apparatus. A cathode active material of the lithium-ion battery in this disclosure includes lithium nickel cobalt manganese oxide and manganese iron lithium oxide, and a cathode of the battery satisfies a formula as follows: 0.5 ≤ R = 10 × ω × PD / ln(H) ≤ 4; where ω is a weight percentage of manganese iron lithium oxide in the cathode active material; PD is a compaction density of the cathode in g/cm3; H is an enthalpy value of the cathode in J/g.
Resumen de: EP4723336A1
0001 The present invention relates to the technical field of power batteries, and particularly relates to a space-saving battery box and system. The battery box comprises a battery case, a liquid cooling interface, a high-voltage connector, a battery module, a busbar, and a quick-connection liquid cooling pipe; the battery module is located in the battery case; the battery module comprises a battery cell stack and a liquid cooling plate used for adjusting the temperature of the battery cell stack; the liquid cooling interface is located on the side wall of the battery case and is communicated with water nozzles of the liquid cooling plate by means of the quick-connection liquid cooling pipe located in the battery case; the high-voltage connector is located on the side wall of the battery case; and the high-voltage connector comprises a high-voltage positive electrode and a high-voltage negative electrode, and the high-voltage positive electrode and the high-voltage negative electrode are respectively communicated with a positive electrode and a negative electrode of the battery module by means of the busbar located in the battery case. The space-saving battery box provided by the present invention can be directly stacked layer by layer, and metal battery frames are omitted, so that the space of the battery system is greatly saved.
Resumen de: EP4722426A1
The present application provides a single-crystal ternary positive electrode material and a preparation method and an application thereof. The single-crystal ternary positive electrode material satisfies the following relationships: 1 µm ≤ P < 5 µm, 1 ≤ D2/D1 < 10, and 3 µm < D50 < 8 µm, where P is a single-crystal size of the single-crystal ternary positive electrode material, D1 is a mass proportion of the single-crystal ternary positive electrode material with a single-crystal size < 2.5 µm, D2 is a mass proportion of the single-crystal ternary positive electrode material with a single-crystal size ≥ 2.5 µm, and D50 is a median particle size of the single-crystal ternary positive electrode material. The single-crystal ternary positive electrode material provided by the present application includes two single-crystal materials with different sizes, and with the limitation on the particle size and proportion of the single-crystal materials with different sizes, the single-crystal ternary positive electrode material has relatively high compaction density and excellent cycling performance.
Resumen de: EP4723346A1
A pressure relief component, a battery cell, a battery and an electrical apparatus, belonging to the technical field of batteries. The pressure relief component includes a mounting member and a pressure relief valve plate; the mounting member is provided with an opening, the mounting member is provided with sinking recesses around a circumferential direction of the opening, and each sinking recess includes a recess bottom wall and a recess side wall; and the pressure relief valve plate covers the opening, and the pressure relief valve plate includes a body part and mounting parts, the body part being provided with weak areas, the mounting parts being connected to a periphery of the body part, and the mounting parts being bent to be supported on the recess bottom walls and being welded to the recess side walls.
Resumen de: EP4723230A1
A positive electrode material, a preparation method thereof, a positive electrode sheet, and a sodium-ion battery are provided. The positive electrode active material has a chemical formula of NaxAyNiaFebMncCudAeOn, where 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; (3) n satisfies that an algebraic sum of positive and negative valences in the chemical formula equals zero; under same values of x, a, b, c, d, and n, a sodium layer spacing in an unit cell of the positive electrode active material is reduced by 0.005 Å - 0.115 Å compared to that of NaxNiaFebMncCudOn. The positive electrode active material exhibits high rate performance, excellent cycling stability, and high-voltage durability, etc., and thus a resulting sodium-ion battery has excellent performance.
Resumen de: EP4723224A1
The present application relates to the technical field of batteries, and in particular to a positive electrode material and a preparation method thereof, a positive electrode sheet, and a sodium-ion battery. The positive electrode material has a chemical general formula of NaaNibZncFedMneXfO2, where 0.85 ≤ a ≤ 1.1, 0.1 ≤ b ≤ 0.4, 0.05 ≤ c ≤ 0.4, 0.1 ≤ d ≤ 0.4, 0.1 ≤ e ≤ 0.5, 0 ≤ f ≤ 0.02, and X is at least one element selected from Ti, Al, Ta, Nb, Ge, Y, Nb, W, Zr, B, Ce, Ca, V, Si, Sr, Mg and Mo; and an X-ray diffraction pattern of the positive electrode material shows no diffraction peak in at least one of 2θ diffraction angle ranges of 31°-32° and 34°-35°. The present application can improve the problem of rapid degradation of the positive electrode material during cycling.
Resumen de: EP4722154A1
Disclosed are a single-layer edge-oxidized graphene and a preparation method therefor, which belong to the technical field of graphene materials. A single-layer graphene is used as a raw material and electrolyzed by applying an ultra-low-frequency alternating current with a low current density to prepare the single-layer edge-oxidized graphene. The number of oxygen free radicals generated from an electrolyte is regulated and controlled by adjusting the current intensity and frequency of the applied alternating current, a small number of oxygen free radicals are reacted at the sites having more active binding energy of the edge of the single-layer graphene, and the low current intensity and the short current time result in insufficient invasion of generated oxygen radicals into the plane of the single-layer graphene, thereby constructing the single-layer edge-oxidized graphene. The polarity of the prepared single-layer edge-oxidized graphene is increased on the basis of retaining the excellent physical and chemical properties of graphene, thereby greatly improving the dispersing capability of the graphene in polar solvents.
Resumen de: EP4723221A1
A positive electrode active material, and a preparation method and a use thereof. The chemical formula of the positive electrode active material is Li1+aNaxPyNi0.5+bMn1.5+cMzOd, where -0.1≤a≤0.2, -0.2≤b≤0.2, -0.2≤c≤0.2, 3.8≤d≤4.3, 0
Nº publicación: EP4723338A1 08/04/2026
Solicitante:
BYD CO LTD [CN]
Resumen de: EP4723338A1
An electric connection assembly (20), a battery pack (10) using the electric connection assembly (20), and an electric apparatus using the battery pack (10). The electric connection assembly (20) comprises: a first connecting member (210), which comprises a first connection end and a second connection end, wherein the first connection end is adapted to be electrically connected to a first electrical assembly; a second connecting member (220), which comprises a third connection end and a fourth connection end, wherein the third connection end is adapted to be electrically connected to a second electrical assembly; and a first housing (230), in which an accommodating cavity (250) is formed, wherein the accommodating cavity (250) has an opened side, the second connection end and the fourth connection end are adapted to be accommodated in the accommodating cavity (250) via the opened side and are in electric connection with each other, and the opened side is formed as an adhesive injection opening, which is configured to inject an insulating adhesive into the accommodating cavity so as to coat the second connection end and the fourth connection end.
BOPI
Sede Electrónica
