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1722
resultados
Última actualización
09/04/2026 [18:19:00]
Resultados 25 a 50 de 1722
Resumen de: EP4723238A2
A method for manufacturing a lithium-containing transition metal composite oxide including secondary particles that are aggregates of primary particles into or from which lithium ions are dopable or dedopable, the method comprising:a mixing step of mixing a lithium compound and a metal composite compound containing at least nickel to obtain a mixture;a calcining step of calcining the mixture to obtain a calcined product; anda washing step of washing the calcined product,wherein the lithium-containing transition metal composite oxide satisfies the following conditions,(1) the lithium-containing transition metal composite oxide is represented by Formula (I), LiLix(Ni(1-y-z-w)CoyMnzMw)1-xO2 ... (I)wherein in Formula (I), 0 ≤ x ≤ 0.2, 0 < y ≤ 0.5, 0 ≤ z ≤ 0.8, 0 ≤ w ≤ 0.1, and y + z + w < 1 are satisfied, and M represents one or more metals selected from the group consisting of Mg, Ca, Sr, Ba, Zn, B, Al, Ga, Ti, Zr, Ge, Fe, Cu, Cr, V, W, Mo, Sc, Y, Nb, La, Ta, Tc, Ru, Rh, Pd, Ag, Cd, In, and Sn(2) when an area value of a peak appearing at 53.8 eV in a lithium 1s spectrum is referred to as α and an area value of a peak appearing at 529.0 eV in an oxygen 1s spectrum is referred to as β when X-ray photoelectron spectroscopy is performed, and a ratio between α and β is referred to as γ (α/β = γ),γ is calculated for each of a surface of the secondary
Resumen de: EP4723342A2
Die Erfindung betrifft einen mobilen Container zum Laden zumindest einer Batterie (2), mit einer Einhausung (3), die einen Laderaum (4) begrenzt und eine verschließbare Ladeöffnung (5) aufweist, einem im Laderaum (49 angeordneten Batterieladeplatz (10), der eine Aufnahme für einen Energiewandler (12) und eine Batterieaufnahme (13) aufweist, in die eine Batterie (2) über die Ladeöffnung einbringbar ist.
Resumen de: EP4723293A2
Die Erfindung betrifft ein hochreaktives, hochreines, freifließendes und staubfreies Lithiumsulfidpulver, welches eine mittlere Partikelgröße zwischen 250 und 1500 µm und BET-Oberflächen zwischen 1 und 100 m2/g aufweist. Die Erfindung betrifft weiterhin ein Verfahren zu dessen Herstellung, wobei in einer ersten Stufe Lithiumhydroxidmonohydrat in einem temperierbaren Aggregat auf eine Reaktionstemperatur zwischen 150°C und 450°C unter Luftausschluss erhitzt und mit einem Inertgas über- oder durchströmt wird bis der Restkristallwassergehalt des gebildeten Lithiumhydroxids kleiner 5 Gew.% beträgt und in einer zweiten Stufe das in der ersten Stufe gebildete wasserfreie Lithiumhydroxid mit einer gasförmigen Schwefelquelle aus der Gruppe Schwefelwasserstoff, elementarer Schwefel, Kohlenstoffdisulfid, Mercaptane oder Schwefelnitride gemischt, über- oder durchströmt wird.
Resumen de: EP4723232A1
An oxide precursor, a preparation method thereof, and an application thereof are provided. The oxide precursor has a chemical general formula of NixCoyMnzAldMeOn, where 0 < x ≤ 0.96, 0 ≤ y ≤ 0.96, 0 ≤ z ≤ 0.96, 0 ≤ d ≤ 0.15, 0 < e ≤ 0.015, 0.6 ≤ n ≤ 1.6, x + y + z + d = 1, and y, z, d are not all zero, an ionic radius of a metal element M is greater than or equal to 0.08 nm; the metal element M has a distribution uniformity in the oxide precursor of greater than or equal to 98.5%. The oxide precursor has a uniformly distributed doping element M with a large ionic radius, which is beneficial to improving the structural stability of positive electrode materials, thereby enabling lithium-ion batteries to exhibit excellent discharge capacity and cycling performance.
Resumen de: EP4723202A1
A secondary battery (5) and a manufacturing method therefor, and an electric device (6). The secondary battery (5) comprises a positive electrode sheet and a negative electrode sheet. The negative electrode sheet comprises a negative electrode active material layer. The negative electrode active material layer comprises a negative electrode active substance. The negative electrode active substance comprises a silicon-based material. In the same charging and discharging cycle process, the volume ratio of the negative electrode sheet during charging and discharging of the secondary battery (5) is R, wherein R is less than or equal to 1.5; and the volume ratio of the positive electrode sheet during charging and discharging of the secondary battery (5) is Y, wherein Y is less than or equal to 0.98.
Resumen de: EP4723305A1
An electric device is provided, including a battery pack. The battery pack includes a cooling plate for the battery pack. The cooling plate for the battery pack includes a plate body. A cooling flow channel and a confluence flow channel that are used for a coolant to flow are constructed on the plate body, the cooling flow channel forms a plurality of cooling regions on the plate body, the confluence flow channel forms a liquid inlet confluence region and a liquid outlet confluence region on the plate body, and each cooling region separately communicates with the liquid inlet confluence region and the liquid outlet confluence region. The plurality of cooling regions are connected in parallel to each other, a throttling structure is disposed in at least one of the plurality of cooling regions, and a quantity of throttling structures in the plurality of cooling regions progressively decreases from upstream to downstream of a flow direction of the coolant in the liquid inlet confluence region.
Resumen de: GB2644383A
This warehouse for storing a battery unit is characterized in that the ware house comprises a skid that holds a battery unit and has a terminal that can be connected to the battery unit, an electric conductor that can be electrically connected to the battery unit via the terminal when the skids are stacked to store the battery units, a ceiling crane that stacks the skids and removes the skids, and a control device that controls the ceiling crane.
Resumen de: EP4723308A2
Discussed is a battery pack including a plurality of battery cells; a bus bar assembly having a first side and a second side, the second side of the bus bar assembly provided to a first side of the plurality of battery cells and electrically connected to the plurality of battery cells; a cooling unit disposed at a second side of the bus bar assembly and arranged between the plurality of battery cells along a longitudinal direction of the battery pack; and side structure units configured to accommodate the cooling unit and the plurality of battery cells, wherein one side structure unit, a first set of the plurality of battery cells, the cooling unit, a second set of the plurality of battery cells and another side structure unit are coupled to be sequentially arranged in the named order along a width direction of the battery pack.
Resumen de: EP4723319A1
0001 Provided are a shell assembly for a battery, a battery, and a power device. The shell assembly includes: a shell, where a first mating surface and a first end surface are formed on an end portion of the shell, and an included angle between the first mating surface and the first end surface is α1; and a cover plate, where the cover plate covers the end portion of the shell and forms a first surface, a protruding portion protruding toward an interior of the shell is formed on the first surface, and a second mating surface adapted to abut against the first mating surface is formed on the protruding portion. An included angle between the second mating surface and the first surface is α2, and α1 and α2 satisfy: α1<90° and α2>90°.
Resumen de: EP4723243A1
A positive electrode active material and a preparation method thereof, a positive electrode sheet, a battery and an electrical apparatus, where a chemical formula of the positive electrode active material is NaxM(1-y)CayO2, where M includes a transition metal element, x = 0.8 to 1.1, and 0.005 ≤ y ≤ 0.015; and where more than 95wt% of Ca element is distributed in a surface layer of a single-crystal particle of the positive electrode active material, and a thickness of the surface layer is 1 µm. The positive electrode active material has a relatively low residual alkali content and improved air stability, and thus cycle performance of batteries is improved when it is applied to the batteries.
Resumen de: EP4723360A2
A battery module includes a cell assembly, a collection assembly, a first heat insulating member, and a heat insulation cushion assembly. The cell assembly includes a plurality of cells arranged along a length direction of the battery module. The collection assembly is located on a side of the cell assembly along a height direction of the battery module, and is connected to the cell assembly. The first heat insulating member is located on a side of the collection assembly away from the cell assembly along the height direction of the battery module, and is connected to the collection assembly. The heat insulation cushion assembly is located between two adjacent cells, and includes a second heat insulating member and two cushion members. Each cushion member has one side connected to the second heat insulating member and the other side connected to the corresponding cell.
Resumen de: EP4723333A1
A sealing structure and an energy storage module. The sealing structure comprises a bottom supporting plate and a covering assembly, wherein at least one module unit body is mounted on the bottom supporting plate; the covering assembly has a covering inner cavity, which adapts to the module unit body in terms of shape and size, and a covering opening, which is in sealing fit with the bottom supporting plate, and the covering assembly is provided with a wiring slot for allowing an output member of the module unit body to lead out a wire; and the part of the output member passing through the wiring slot is filled and sealed in the wiring slot by means of a filling-sealing adhesive. By means of making improvements to the design for a casing of each module unit body of the energy storage module, a sealing effect which is required for the electrical safety of the module unit body can be achieved by the casing of the module unit body, and the overall structure of the energy storage module is simplified, such that the machining and assembly are more convenient, and the production cost is also reduced. When an electronic control assembly connected to the module unit body is maintained, the sealing performance of the module unit body itself is not affected, such that maintenance operations are safer and more convenient.
Resumen de: EP4723284A1
An electrolyte, a secondary battery, and an electric device. The electrolyte comprises a component, a nitrile solvent. The nitrile solvent comprises a compound represented by formula (1): wherein: L is selected from any one of C(R1R2), O, Si(R3R4), B(R5), P(R6R7R8), and N(R9); R1-R9 are each independently selected from at least one of H, halogen, substituted or unsubstituted alkyl having 1-3 carbon atoms, alkoxy having 1-3 carbon atoms, amino, and cyano, and R1 and R2 are not cyanos and H; R11 is an alkane chain containing 1-4 carbon atoms; R12-R14 are each independently selected from at least one of H, halogen, substituted or unsubstituted alkyl having 1-3 carbon atoms, alkoxy having 1-3 carbon atoms, amino, and cyano; and when L is C(R1R2), R12-R14 are not cyanos.
Resumen de: EP4723287A1
0001 The present application provides an electrode assembly, a battery cell, a battery and an electrical apparatus, belonging to the technical field of batteries. The electrode assembly includes a main body part, a first tab and a second tab. The main body part is cylindrical. The polarities of the first tab and the second tab are opposite, the first tab and the second tab are arranged at the same end of the main body part along an axial direction of the main body part, and the electrical conductivity of the first tab is smaller than the electrical conductivity of the second tab. Along the axial direction of the main body part, the first tab has a first surface away from the main body part, and the second tab has a second surface away from the main body part, the area of the first surface being larger than the area of the second surface. By setting the area of the first surface of the first tab to be larger than the area of the second surface of the second tab, it is convenient to distinguish and identify the first tab and the second tab with different polarities during the assembly of a battery cell, and the electrode assembly can be assembled without secondary positioning, thereby being conducive to reducing the difficulty in the subsequent assembly of the electrode assembly.
Resumen de: EP4723290A1
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 shell, an electrode terminal, and an electrode assembly. The shell has a wall portion. The electrode terminal is mounted on the wall portion in an insulated manner. The electrode assembly is accommodated in the shell, 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. In a thickness direction of the wall portion, the first tab and the second tab are both arranged at one end of the main body part facing the wall portion. The wall portion has a first surface facing the electrode assembly, a connecting portion is arranged to protrude from the first surface, the connecting portion is electrically connected to the first tab, and the electrode terminal is electrically connected to the second tab. This type of battery cell is conducive to optimizing the height of the first tab protruding from the main body part, and is capable of improving the contact effect between the connecting portion and the first tab, and there is no need to arrange a component of a special-shaped structure connecting the wall portion and the first tab between the wall portion and the first tab, so as to reduce the difficulty of assembling the battery cell.
Resumen de: EP4722152A1
0001 The present application relates to ammonium manganese iron phosphate and lithium manganese iron phosphate, and preparation method and application thereof. The ammonium manganese iron phosphate has a chemical formula of (NH<4>)<(3-2x-2y)>Fe
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: EP4723334A1
0001 The present application provides a battery and an electrical apparatus. The battery includes a battery cell and a plurality of heat exchange plates. The battery cell includes a shell and an electrode unit accommodated in the shell, the electrode unit includes a plurality of first electrode plate layers, the plurality of first electrode plate layers have the same polarity and are stacked in a first direction, some of the first electrode plate layers are provided with first tabs and form two first tab groups, each first tab group includes a plurality of first tabs stacked and connected to one another, and a first electrode plate layer which is provided with no first tab is provided between the two first tab groups. The plurality of heat exchange plates are arranged in the first direction, the shell is arranged between adjacent heat exchange plates and can exchange heat with the heat exchange plates, and each first electrode plate layer at least partially overlaps with the heat exchange plate in the first direction.
Resumen de: EP4723245A1
0001 The present disclosure relates to the technical field of sodium-ion batteries, and particularly, to a cathode active material, a preparation method therefor, a cathode plate, a battery, and an electric device. The cathode active material is an iron-based sulfate cathode material for the sodium-ion battery. An X-ray diffraction pattern of the cathode active material has a first characteristic peak in a range from 34.9° to 35.3° and a second characteristic peak in a range from 35.3° to 35.5°. A peak intensity I<1> of the first characteristic peak and a peak intensity I<2> of the second characteristic peak satisfy: 1.1≤I<1>/I<2>≤1.5. When a ration of the peak intensity of the first characteristic peak to the peak intensity of the second characteristic peak in the X-ray diffraction pattern of the cathode active material satisfies the above condition, it indicates that Fe in the cathode active material exists mainly in the form of Fe<2+> and that a mass percentage of Fe<3+> in the material is smaller than 1.5%. A main existing form of Fe<3+> is a Fe<3>O<4> impurity phase, which reduces reaction activity of the cathode material.
Resumen de: EP4723235A1
A positive electrode active material and a preparation method therefor, a positive electrode sheet, a battery, and an electric device. The positive electrode active material comprises a plurality of primary particles. The equivalent number N(003) of layers of (003) crystal planes and the equivalent number N(104) of layers of (104) crystal planes of the positive electrode active material satisfy that: N(003)*N(104) is 1*104-3*104, and formula (I), wherein D(003) is the average thickness, in nm, of crystallites in the positive electrode active material in a direction perpendicular to the (003) crystal planes; d(003) is the interplanar spacing, in nm, of the (003) crystal planes in the crystallites of the positive electrode active material; D(104) is the average thickness, in nm, of the crystallites in the positive electrode active material in a direction perpendicular to the (104) crystal planes; and d(104) is the interplanar spacing, in nm, of the (104) crystal planes in the crystallites of the positive electrode active material. N003=D003d003,N104=D104d104
Resumen de: EP4723288A1
0001 A disclosed cylindrical non-aqueous electrolyte secondary battery includes: an electrode group formed by spirally winding a positive electrode, a negative electrode, and a separator; a non-aqueous electrolyte; an outer casing can; a positive electrode lead; and a negative electrode lead. One end of the negative electrode lead is connected to a first negative electrode current collector exposed portion in which no negative electrode material mixture layer is provided. Another end of the negative electrode lead is electrically connected to the outer casing can. A second negative electrode current collector exposed portion provided in at least a portion of an outermost circumference of the negative electrode is in contact with an inner surface of the outer casing can. In a stretched-out state of the electrode group, the negative electrode lead is provided at a position between a first position of the negative electrode that faces a winding start end of the positive electrode and a second position of the negative electrode that faces the positive electrode lead. The positive electrode includes a notch at each of two positions that face the negative electrode lead across the separator. A thickness Td of the negative electrode lead is larger than a thickness Tn of the negative electrode.
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: EP4723205A1
The present invention is a negative electrode body including a negative electrode including a negative electrode current collector having a roughened surface, a negative electrode active material layer provided on the negative electrode current collector, and an ion-conductive layer having lithium-ion conductivity and disposed on a surface of the negative electrode active material layer, and a solid electrolyte layer disposed contiguous to the ion-conductive layer, in which the negative electrode active material layer comprises negative electrode active material particles having a compound containing lithium, silicon, and oxygen, the negative electrode active material particles are represented by SiOx1Liy1, and a value of "x1" is more than 0.8 and 1.2 or less, and a value of "y1" is 0.5 or more and 3.4 or less. This provides the negative electrode body having the negative electrode capable of significantly increasing capacity while maintaining excellent battery characteristics, and suppressing expansion at full charge.
Resumen de: EP4723228A1
The positive electrode active material according to the present invention is in the form of a secondary particle comprising a plurality of primary particles, and is characterized in that it satisfies Formula 1.
Nº publicación: EP4723211A1 08/04/2026
Solicitante:
POSCO HOLDINGS INC [KR]
RES INST IND SCIENCE & TECH [KR]
Resumen de: EP4723211A1
According to the present embodiment, a positive electrode active material for a lithium secondary battery may comprise: a lithium manganese-rich first positive electrode active material represented by Chemical Formula 1 below; and a high-nickel single-particle second positive electrode active material represented by Chemical Formula 2 below, and an average particle size (D501) of the lithium manganese-rich first positive electrode active material may be greater than an average particle size (D502) of the high-nickel single-particle second positive electrode active material. Chemical Formula 1 Li1+x1(Ni(1-a1-b1)Coa1Mnb1)O2(where -0.5 ≤ x1 ≤ 0.5, 0 ≤ a1 ≤ 0.5, and 0.5 ≤ b1 ≤ 1.) Chemical Formula 2 Li1+x2(Ni(1-a2-b2-c2)Coa2Mnb2Mc2)O2(where -0.5 ≤ x2 ≤ 0.5, 0 ≤ a2 ≤ 0.2, 0 ≤ b2 ≤ 0.1, 0 ≤ c2 ≤ 0.03, and M is at least one element selected from Fe, Cr, Ti, Zn, V, Al, Mg, and Zr.)
BOPI
Sede Electrónica
