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1460
results.
Updated on
15/04/2026 [08:01:00]
Results 275 to 300 of 1460
Absstract of: EP4723283A1
0001 The present disclosure relates to a compound for an electrolyte solution, a compound for an electrolyte solution additive, an electrolyte solution material, an electrolyte solution additive, an electrolyte solution for a secondary battery, and a secondary battery, and provides an electrolyte solution for a secondary battery, including a novel compound, or an isomer thereof.
Absstract of: EP4722028A1
Disclosed are a controller, an electric powertrain, a drive system, and a vehicle. The controller includes a housing, a power module, and an A-line conductive component. The power module and the A-line conductive component are disposed in the housing. The power module is separately connected to a first end of a three-phase winding of a motor, a positive electrode of a positive battery pack, and a negative electrode of the battery pack. A first end of the A-line conductive component is configured to connect to a midpoint between two sub-battery packs that are connected in series in the battery pack. A second end of the A-line conductive component is configured to connect to a second end of at least one phase winding of the motor.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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%.
Absstract of: 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.
Absstract of: EP4723279A1
The present application discloses an electrolyte solution for a lithium secondary battery, a secondary battery, and an electrical device. The electrolyte solution for a lithium secondary battery includes a sulfate and fluorosulfonate ions, and a molar ratio of the sulfate to the fluorosulfonate ions is (8-223):1.
Absstract of: 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°.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: EP4723209A1
The present application provides a secondary battery and an electrical apparatus. The secondary battery of the present application comprises an electrolyte solution; the electrolyte solution comprises a solvent and an additive; the solvent comprises ethylene carbonate; the additive comprises 1,3-propane sultone and fluoroethylene carbonate; the percentage mass content of the ethylene carbonate in the electrolyte solution is x%, the percentage mass content of the 1,3-propane sultone in the electrolyte solution is y%, and the percentage mass content of the fluoroethylene carbonate in the electrolyte solution is z%; and the x, the y, and the z satisfy: 10≤x/y≤950 and 2≤x/z≤10.
Absstract of: 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
Absstract of: 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.
Absstract of: 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.
Absstract of: 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
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Nº publicación: EP4723297A2 08/04/2026
Applicant:
PRIMOBIUS GMBH [DE]
Absstract of: 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).
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