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1313
resultados
Última actualización
13/08/2025 [07:30:00]
Resultados 75 a 100 de 1313
Resumen de: WO2025161597A1
A high-nickel single crystal positive electrode material, a preparation method therefor, a positive electrode sheet, a secondary battery and an electrical apparatus. The chemical formula of the high-nickel single crystal positive electrode material is Li1+δNixMyQ1-x-yO2+εAαRβXγ, wherein 0.8≤x＜1, 0＜y≤0.2, 0≤δ≤0.15, 0＜ε≤0.2, 0＜α≤0.04, 0＜β≤0.04, 0≤γ≤0.04, the element M and element Q each independently comprise one or more of Mn, Co, Al, Ta, Ti, Nb, Ge, Y, Nb, W, Zr, Ce, Ca, Sr, Sc, V, Cr and Mo, the element A comprises one or more of Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Ta, Mo, W, La, Ce, Sc and Cr, the element R comprises one or more of B and P, and the element X comprises one or more of Na, K, Mn, Mg, Ca, Sr and Al. The molar ratio of surface Ni3+ in the high-nickel single crystal positive electrode material is 38%-55%, and the molar ratio of surface lattice oxygen is 7%-15%. The material has obviously reduced structural defects, thus improving the specific capacity thereof, and improving the cycle performance thereof.
Resumen de: WO2025161107A1
A non-aqueous organic high-voltage electrolyte and a lithium-ion battery comprising same. The non-aqueous organic high-voltage electrolyte comprises a lithium salt and a non-aqueous organic solvent. The non-aqueous organic solvent comprises a sulfolane derivative and a diluent, and the sulfolane derivative has the structure shown in formula (1). The non-aqueous organic high-voltage electrolyte exhibits high-voltage resistance, so that lithium-ion batteries using the electrolyte have excellent high-voltage cycle performance. The electrolyte is compatible with all currently known high-voltage positive electrode active materials and has flame-retardant properties, preventing potential combustion risks of the electrolyte while ensuring stable high-voltage charge-discharge cycling.
Resumen de: WO2025162653A1
The present invention relates to an apparatus composed of a composite comprising an aggregate phase comprising refractory particles; and a binder phase comprising binder refractory particles and an aluminosilicate phase. The binder refractory particles are embedded within the aluminosilicate phase; and wherein the sum of the refractory particles + aluminosilicate phase + binder refractory particles is at least 70 wt% of the total weight of the composite composition.
Resumen de: WO2025161180A1
The present application discloses a module pressing device and a pressing method therefor. The module pressing device is provided with a pressing workstation for maintaining pressure on a battery module, the bottom of which is bonded to a heat dissipation plate. The module pressing device comprises a conveying line, a pressing apparatus, and a control apparatus. The conveying line passes through the pressing workstation and is used for conveying the battery module. The pressing apparatus is arranged corresponding to the pressing workstation, and comprises a jacking mechanism and a pressing mechanism opposite to each other in a first direction. The jacking mechanism is provided with a plurality of jacking portions movable in the first direction. The plurality of jacking portions are arranged in a second direction and are used to jack up the heat dissipation plate. The pressing mechanism is used to tightly press the battery module. The control apparatus is electrically connected to the jacking mechanism and the pressing mechanism, so as to control the jacking mechanism and the pressing mechanism to act. The heat dissipation plate is supported by means of the jacking mechanism, which cooperates with the pressing mechanism applying pressure to the battery module, so that thermally conductive adhesive coated between the heat dissipation plate and the battery module is evenly spread by means of pressing, thereby mitigating uneven coating of the thermally conductive adhesive and imp
Resumen de: WO2025166151A1
A battery unit includes a unit housing enclosing a plurality of battery cells. To mitigate thermal risks and improve safety, the unit can include at least one thermal barrier arranged between the battery cells. The battery unit can also include a thermal barrier retainer arranged to protrude against a thermal barrier and secure the thermal barrier in place relative to the unit housing. Such a thermal barrier retainer can include sharp protrusions, gripping texture, or binding strips for engaging the thermal barrier.
Resumen de: WO2025165821A1
In some aspects, an electrochemical apparatus can include an anode current collector, a first anode material disposed on a first side of the anode current collector, and a second anode material disposed on a second side of the anode current collector, the second side opposite the first side. The apparatus further includes a cathode current collector with a first cathode material disposed on a first section of the cathode current collector and a second cathode material disposed on a second section of the cathode current collector. The apparatus further includes a separator folded such that a first portion of the separator is interposed between the first anode material and the first cathode material and a second portion of the separator is interposed between the second anode material and the second cathode material.
Resumen de: WO2025165694A1
A surface cleaning apparatus may include a fluid distributor, a supply tank configured to receive a cleaning fluid, the supply tank configured to be fluidly coupled to the fluid distributor, one or more batteries, and a heat exchanger in a heat exchange relationship with the one or more batteries, wherein the heat exchanger is fluidly coupled to the supply tank such that at least a portion of heat generated by the one or more batteries is absorbed by the cleaning fluid as the cleaning fluid flows through the heat exchanger.
Resumen de: WO2025161342A1
The present application relates to an assembly apparatus, an assembly method, and a battery processing device. The assembly apparatus comprises: a bearing platform, wherein the bearing platform is provided with a bearing surface and the bearing surface is provided with a grab position; a first positioning mechanism, movably arranged on the bearing platform and used for positioning a wiring harness board onto the grab position; a second positioning mechanism, arranged on one side of the bearing platform and configured to be able to detect the current position of a battery, and, on the basis of a deviation value between the current position and a target position, assemble the wire harness board located on the grab position to the battery; and a conveyance mechanism that comprises a conveyance part and a lifting assembly, the lifting assembly comprising a tray that is provided with a third positioning piece protruding upward from the surface of the side of the tray facing the wire harness board; wherein, the second positioning mechanism is further configured to be able to move the wire harness board from the conveying mechanism to the bearing surface. In the present application, positioning is carried out twice, thus increasing the precision and efficiency with which the wire harness board is assembled to the battery.
Resumen de: WO2025163099A1
There is provided method of recovering material from a source material comprising one or more target metals. Also provided is a leach tank for leaching a material from a source material comprising one or more target metals, as well as an apparatus for recovering material from a source material containing one or more target metals. Also described is a system for recovering material from a source material comprising one or more target metals as well as the use of any of the aforementioned to recover material from a source material. A lithium leach solution, a mixed metal precipitate, a composition, a cathode active material, and a graphite material are also described.
Resumen de: WO2025163113A1
The invention relates to a battery, comprising at least two battery cells (1) and a balancing module (2) for carrying out charge balancing of the battery cells (1), wherein the balancing module (2) is designed to dissipate the excess charge of at least one battery cell (1) at a resistor (3). The battery according to the invention is characterised in that the resistor (3) is connected to one of the battery cells (1) in a thermally conductive manner.
Resumen de: WO2025162542A2
The invention relates to a method for producing a cylindrical battery cell. The method comprises the following steps: a) providing (100) a cylindrical battery cell blank (11) having an outer wall which comprises steel; b) applying (300) a primer (19) to at least parts of the outer wall; c) closing (400) the battery cell blank (11) by laser welding or by means of a crimping closure; and d) filling (500) the battery cell blank (11) with an electrolyte (18). The invention further relates to a cylindrical battery cell (10), to a battery pack (20) comprising a plurality of cylindrical battery cells (10), to a method for producing the battery pack and to a motor vehicle (30) comprising at least one battery pack (20).
Resumen de: WO2025161706A1
Disclosed in the present utility model is a novel fitness device capable of being folded by 180 degrees, comprising housings, a rotating member, bottom plates, resistance take-up devices, training ropes, pulling assemblies, an electric control assembly, and a battery assembly. The two housings are rotatably connected to two ends of the rotating member, respectively; a rotation amplitude limiting structure is provided at a hinged connection position of each housing and the rotating member; the resistance take-up devices are respectively arranged on the top surfaces of the housings; one end of each training rope is wound around the corresponding resistance take-up device, and the other end of each training rope is connected to the corresponding pulling assembly; the electric control assembly and the battery assembly are both electrically connected to the two resistance take-up devices; and the bottom plates are arranged at the bottoms of the housings. In the present utility model, double resistance take-up devices are used and respectively mounted at the tops of a pair of housings arranged about the rotating member, and each resistance take-up device is independently driven, so that pulling forces on two sides are uniform and stable; and the fitness device has few parts, a stable structure, a wide adjustment range, is easy to use, can be folded for easy storage, has small occupied space, and thus greatly improves user experience.
Resumen de: WO2025161709A1
A vehicle. The vehicle comprises a battery pack, the battery pack comprises a distribution box, and the distribution box comprises a box body, a positive electrode loop, a negative electrode loop, a circuit breaker, and a heat dissipation device. The positive electrode loop is arranged in the box body, and the positive electrode loop comprises a first conductive connecting member and a second conductive connecting member. The negative electrode loop is arranged in the box body, and the negative electrode loop comprises a third conductive connecting member and a fourth conductive connecting member. A first positive terminal of the circuit breaker is connected to one end of the first conductive connecting member, a second positive terminal of the circuit breaker is connected to one end of the second conductive connecting member, a first negative terminal of the circuit breaker is connected to one end of the third conductive connecting member, and a second negative terminal of the circuit breaker is connected to one end of the fourth conductive connecting member. The heat dissipation device is arranged at a heat dissipation opening of the box body.
Resumen de: WO2025162100A1
Provided in the present application are a battery cell and an electric device. The battery cell comprises a laminated electrode assembly, wherein the electrode assembly comprises a plurality of first electrode sheets and a plurality of second electrode sheets, which are stacked in a first direction; a corner of each first electrode sheet has a first notch and a first empty foil area; a corner of each second electrode sheet has a second notch and a second empty foil area; when observed in the first direction, the first empty foil area at least partially overlaps with the second notch, the second empty foil area at least partially overlaps with the first notch, and the first empty foil area is spaced apart from the second empty foil area; and a plurality of first empty foil areas are stacked in the first direction, and a plurality of second empty foil areas are stacked in the first direction. Therefore, a space that is reserved between the electrode assembly and a housing and used for accommodating the first empty foil areas and the second empty foil areas can be reduced, the energy density of the battery cell can be improved, and when the battery cell is subjected to an external force or falls, the electrode assembly is less likely to shake relative to the housing, and the battery cell is also less likely to experience a short circuit.
Resumen de: WO2025162070A1
The present application discloses a battery cell, a secondary battery, and an electric device. The battery cell comprises a plurality of electrode sheets; each electrode sheet comprises a current collector and active substance coatings; the electrode sheet has a first region covered with the active substance coatings and a second region not covered with the active substance coatings; the first region is provided with a clearance notch; the second region forms a tab of the battery cell; among the plurality of stacked electrode sheets, for two adjacent electrode sheets, the first region of one electrode sheet is provided with a clearance notch so as to expose the second region of the other electrode sheet; the width of the electrode sheet is W mm, the area of the clearance notch is S1 mm2, the area of the second region is S2 mm2, and the thickness of the battery cell is H; when H is greater than 7 mm, S1+S2＜A*W is satisfied, and A is 3.6 mm; or, when H is less than or equal to 7 mm, S1+S2＜B*W is satisfied, and B is 1.6 mm. By means of such design, when a bare battery cell is formed by stacking, the tabs are accommodated in the main body region of the bare battery cell, and there is no need to perform multi-tab transfer welding, thereby improving space utilization; moreover, by setting the maximum value of S1+S2, it is ensured that the overall energy density of the battery cell is increased.
Resumen de: WO2025161765A1
The present application provides a heat exchange component, a battery, and an electric device. The heat exchange component comprises a heat exchange plate and a support member. A heat exchange channel is provided in the heat exchange plate. The support member is arranged in the heat exchange channel, and two ends of the support member are respectively connected to walls of the heat exchange channel. By providing the support member in the heat exchange channel, the pressure bearing capacity of the heat exchange plate is improved, the problems in the prior art of clogging in the heat exchange component, low heat exchange medium capacity of the heat exchange plate, and excessive weight of the heat exchange component, which are caused by using the solutions of increasing the wall thickness of the heat exchange channel and reducing the diameter of the heat exchange channel in order to maintain the pressure bearing capacity of the heat exchange component, are mitigated, the heat exchange effect and reliability of the heat exchange component are improved, and the energy density of the battery is increased.
Resumen de: WO2025161478A1
A battery, a battery module, and an electric device. The battery comprises a top cover body, a terminal, an insulator, and a sealing ring. The top cover body is provided with a mounting hole; the terminal comprises a base plate and a column portion connected to each other, the base plate being located on one side of the top cover body, and the column portion extending through the mounting hole; at least part of the insulator is arranged on the other side of the top cover body, the insulator is arranged around the peripheral side of the column portion and fixes the terminal to the top cover body, an extension portion is formed on the side of the insulator facing the base plate, and the extension portion is located between a hole wall of the mounting hole and the column portion; the sealing ring is located between the top cover body and the base plate and is arranged around the peripheral side of the column portion; and the sealing ring and the extension portion are at least partially overlapped in the axial direction of the column portion.
Resumen de: WO2025161424A1
A battery cell, a battery pack, and an electric device. In the battery cell, a pressure relief hole (130) and an explosion-proof valve (200) are provided on the bottom wall (120) of a casing (100), and a first flow channel (121) and second flow channels (122) are provided on the bottom wall (120). The first flow channel (121) extends along the circumferential edge of the bottom wall (120) and is communicated with an accommodating cavity (110), and the second flow channels (122) are communicated between the first flow channel (121) and the pressure relief hole (130). Therefore, a gas discharging space is reserved at the bottom of the battery cell by means of the first flow channel (121) and the second flow channels (122). When the battery cell undergoes thermal runaway, uncontrolled gas flow can enter the second flow channels (122) through the first flow channel (121) at the edge, and converge at the pressure relief hole (130) from the second flow channels (122), to break through the pressure relief hole (130) to achieve pressure relief. In addition, related parameters of the second flow channels (122) and the pressure relief hole (130) satisfy 1
Resumen de: WO2025161666A1
Provided are a pipe joint, a pipe joint mounting structure and an energy storage apparatus. The pipe joint (10) comprises at least one connecting pipe (11); and a connector (12), which is sleeved on the at least one connecting pipe (11) and connected to the at least one connecting pipe (11), wherein at least one end of the connecting pipe (11) extends from the connector (12); and the size of the connector (12) in a first direction (X) is greater than the size of the connector (12) in a second direction (Y), the first direction (X) and the second direction (Y) respectively being perpendicular to the axial direction of the connecting pipe (11), and the first direction (X) being different from the second direction (Y). When the pipe joint (10) is mounted on a side wall of a box or a cabinet, the size of the connector (12) in the first direction (X) is greater than the size of the connector (12) in the second direction (Y), and the side of the connector (12) in the second direction (Y) can be closer to the position of a corner of the box or the cabinet, such that the probability of interference between the connector (12) and the box or the cabinet can be reduced; and the pipe joint (10) can be mounted and used in a relatively large space, and can also be used in a narrow space, thereby expanding the range of application of the connector (12).
Resumen de: WO2025162064A1
Disclosed in the present application are a battery cell and an electrical device. The battery cell comprises a casing and a pressure relief assembly; the casing is provided with an accommodation space and a liquid injection hole communicated with the accommodation space; the pressure relief assembly covers the liquid injection hole; the pressure relief assembly comprises an adapter component, a sealing component and a pressure relief component; the casing, the adapter component, the sealing component and the pressure relief component are sequentially stacked in a first direction; the adapter component comprises a first main body part and a first weld mark part; the projection of the sealing component on the adapter component in the first direction is a first projection; the first projection is located within the first main body part; the first weld mark part is arranged around the peripheral side of the first projection; the first weld mark part and the first projection are spaced apart; and the first weld mark part is welded to the casing. The battery cell provided by the present application is highly safe.
Resumen de: WO2025162083A1
Disclosed in the present invention are a guide apparatus and a battery cell insertion device. The guide apparatus is used for guiding a battery cell into a battery case. The guide apparatus comprises a fixed guide member, at least one movable guide member, and a guide driving assembly, the guide driving assembly is transmittingly connected to the movable guide member, and the guide driving assembly is used for driving the movable guide member to move between at least a first state and a second state. When the movable guide member is in the first state, the movable guide member and the fixed guide member define a first guide channel; and when the movable guide member is in the second state, the movable guide member and the fixed guide member define a second guide channel, the width and/or the height of the cross section of the second guide channel and that of the cross section of the first guide channel are different, and a guide portion is separately formed at an inlet end of the first guide channel and an inlet end of the second guide channel so as to guide the battery cell to be assembled into the battery case. According to the guide apparatus, the operation of insertion of the battery cell into the battery case can be performed on batteries of different sizes and models, improving the production efficiency of the batteries of different sizes and models.
Resumen de: WO2025162058A1
A battery cell and an electric device. The battery cell comprises a case and a pressure relief assembly, wherein the case is provided with an accommodating space and an electrolyte injection hole in communication with the accommodating space; and the pressure relief assembly covers the electrolyte injection hole, and the pressure relief assembly comprises an adapter, a sealing member and a pressure relief member, the case, the adapter, the sealing member and the pressure relief member being stacked in sequence in a first direction, the adapter comprising a first main body portion and a first weld mark portion, the first main body portion being provided with a first side wall arranged in a circumferential direction, and the first weld mark portion connecting the first side wall to the case. The safety of the battery cell is improved.
Resumen de: WO2025161100A1
The present application relates to the technical field of sheet-placing devices for lithium battery winding machines. Disclosed is an automatic cutting and sheet-placing device, comprising material roll conveying mechanisms and material loading and positioning mechanisms (43), wherein a material storage mechanism (38), a material brushing mechanism (39), a material pulling traction mechanism (40), a material cutting mechanism (41) and a sheet suction mechanism (42) are disposed in sequence between each material roll conveying mechanism and material loading and positioning mechanism (43). The material pulling traction mechanism (40) is used for traction pulling of a material roll; specifically, by starting a pressing roller cylinder (16), a pressing block (14) is driven to descend until same presses against a traction pulling wheel (33), so as to pull the material roll, thus releasing the material; the material passes through the material storage mechanism (38), and then through the material brushing mechanism (39), where bristles perform a powder brushing treatment on the material; then the material passes through the material cutting mechanism (41), and a driving cylinder (18) drives a cutter (20) to descend until the material is cut off; a suction cup (25) is driven by a linear module and a lifting module to hold the material by suction and place the material on a supporting plate (35); and a material pushing cylinder drives a material pushing block (36) to push and displac
Resumen de: WO2025166013A2
A composite powder is useful for making cathodes and is comprised of cathode material particles coated by carbon and a stabilizer such as carboxymethylcellulose or salt thereof. The composite powder may be made by a milling a slurry comprised of a polar solvent (e.g., water) having therein cathode material particles, carbon particles and a stabilizer to form a milled mixture, the cathode material particle's specific surface area in m2/g being at least an order magnitude less than the carbon particles' specific surface area in m2/g, and removing the solvent to form a dried mixture comprised of secondary particles of milled disordered rocksalt particles coated with milled carbon particles and stabilizer.
Nº publicación: WO2025165823A1 07/08/2025
Solicitante:
UNIV OF MIAMI [US]
UNIVERSITY OF MIAMI
Resumen de: WO2025165823A1
Disclosed herein is an apparatus for separating lithium ions from solution. The apparatus includes a first lithium selective reactor. The first lithium selective reactor includes a lithium selective electrode configured to absorb lithium ions from the solution, a separator, and a counter electrode. The apparatus further includes a lithium rejective reactor. The lithium rejective reactor includes a lithium rejective electrode, a separator, and a counter electrode.
BOPI
Sede Electrónica
