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1452
resultados
Última actualización
04/05/2025 [07:15:00]
Resultados 350 a 375 de 1452
Resumen de: WO2025086098A1
A coated sodium ion battery positive electrode material, a preparation method therefor, and a use thereof. The coated sodium ion battery positive electrode material comprises an aluminum phosphate shell and a sodium ion battery core; and the chemical formula of the sodium ion battery core is: NaaLibNixFeyMnzCumMnO2+w, wherein a+b=1, 0.8≤a≤1.0, 0
Resumen de: WO2025086032A1
A device for separating positive electrode current collectors of batteries by means of high-voltage pulse, comprising a treatment tank (1), a rotating table (3), a collection tank (2), a pulse discharge part, and a pressing plate (4). The rotating table (3) is arranged in the treatment tank (1) in a liftable/lowerable manner, a plurality of current collector placement positions are arranged on the upper side of the rotating table (3), all the current collector placement positions are distributed at intervals around the axis of the rotating table (3), and a positive electrode contact (301) and a negative electrode contact (302) are arranged in each current collector placement position. The collection tank (2) is arranged around the outer circumferential side of the treatment tank (1), and the collection tank (2) is used for collecting aluminum foils separated from positive electrode current collectors (100). A positive electrode output end of the pulse discharge part is electrically connected to each positive electrode contact (301), and a negative electrode output end of the pulse discharge part is electrically connected to each negative electrode contact (302). The pressing plate (4) is arranged at the upper side of the rotating table (3) in a liftable/lowerable manner, and the pressing plate (4) is used for pressing the positive electrode current collectors (100) on the rotating table (3).
Resumen de: US2025141055A1
A battery module and a battery pack are provided. The battery module includes a plurality of cells and a busbar assembly. The busbar assembly includes a first plastic bracket and a plurality of aluminum busbars each for connecting two adjacent cells. At least one of the plurality of the aluminum busbars are arranged on the first plastic bracket. The first plastic bracket is provided with heat rivet posts corresponding one-to-one with the aluminum busbars arranged on the first plastic bracket. The aluminum busbar is provided with a fixing hole matching the heat rivet post. The heat rivet post is configured to insert into the fixing hole, where at least a portion of a circumferential sidewall of the heat rivet post cooperates with at least a portion of an inner wall of the fixing hole, to fix the aluminum busbar at a circumferential position of the heat rivet post.
Resumen de: US2025140975A1
A battery module includes a battery cell stack including a plurality of battery cells; a module frame housing the battery cell stack; and a cooling pipe member formed between an upper part of the battery cell stack and the module frame. The cooling pipe member comprises a first cooling pipe part and a second cooling pipe part.
Resumen de: US2025140977A1
In an embodiment a heat exchanger includes a base body, cooling fins protruding from a first side of the base body, first channels integrated in the base body and connected to a first connector and a second connector, the first channels configured to guide a first coolant and second channels integrated in the base body and connected to a first connector and a second connector, the second channels configured to guide a second coolant, wherein the first channels are separate from the second channels and wherein the heat exchanger is capable of being integrated in an outside surface of a vehicle.
Resumen de: US2025140974A1
An electric work vehicle includes a first battery string and a battery housing including a first battery housing portion and a second battery housing portion. The first battery string includes a first plurality of battery modules connected in series, and the first plurality of battery modules includes a first portion of battery modules and a second portion of battery modules. The first portion of battery modules is housed in the first battery housing portion and the second portion of battery modules is housed in the second battery housing portion.
Resumen de: US2025140909A1
A compound containing lithium, a tetravalent metal element M, chlorine and a dopant element X and having a reflection peak in each of 2θ angle ranges of 15° to 17°, 31° to 32.5°, 41° to 42.5°, 48.5° to 50° and 53° to 55° in an X-ray diffraction chart measured using a CuKα ray at 25° C., in which a half width of a reflection peak having a largest peak height in the 15° to 17° range is 0.35° to 3.00°.
Resumen de: US2025140890A1
Energy storage battery having: an electrochemical cell; an electrical collector which is coupled to an end of the electrochemical cell; a container which has a first wall having a first through hole and houses, on the inside, the electrochemical cell so that the electrical collector is arranged close to the first wall; an outer body, which constitutes an electrical pole of the battery and is arranged on an outer surface of the first wall and has a second hole, which is at least partially aligned with the first hole.
Resumen de: WO2025089820A1
The present invention relates to a cathode active material and a lithium secondary battery comprising same and, more specifically, to a cathode active material and a lithium secondary battery comprising same, wherein, by adjusting the content of a fine powder within the cathode active material containing a Mid-Ni type lithium transition metal oxide having a relatively low nickel content and controlling the particle size distribution of the lithium transition metal oxide contained in the cathode active material, improved capacity characteristics and lifetime characteristics, and improved driving characteristics at high voltage can be achieved.
Resumen de: WO2025089809A1
The present invention relates to a method for manufacturing a sulfide-polymer hybrid electrolyte membrane and a sulfide-polymer hybrid electrolyte membrane manufactured thereby. More specifically, disclosed is a method for manufacturing a sulfide-polymer hybrid electrolyte membrane, the method comprising: a first step of preparing a polymer electrolyte solution by mixing a polymer binder and a lithium solution including a lithium salt, an organic solvent, and an ionic liquid and then further adding a nonpolar solvent, and warming and stirring; a second step of preparing a sulfide-polymer hybrid electrolyte slurry by adding a sulfide-based solid electrolyte to the polymer electrolyte solution and stirring; a third step of forming a membrane by applying the hybrid electrolyte slurry onto a substrate and drying; and a fourth step of separating the membrane from the substrate, wherein the sulfide-polymer hybrid electrolyte membrane is manufactured in which the sulfide-based solid electrolyte is uniformly distributed in the polymer electrolyte.
Resumen de: WO2025089127A1
A power storage element according to one aspect of the present invention includes: a plurality of electrode body units that each have an electrode body in which a positive electrode and a negative electrode are stacked, and a separation layer which is superposed on the outermost surface of the electrode body; and a container that houses the plurality of electrode body units and has a safety valve. The plurality of electrode body units adjacent to each other are in contact with each other at the separation layer. The separation layer has a resin layer and an inorganic material layer. With respect to the plurality of electrode body units adjacent to each other, the total thickness of the separation layers that separate the electrode bodies from each other is 50 µm to 110 µm inclusive.
Resumen de: WO2025089397A1
Provided is a vehicle temperature control system (100) comprising: a first refrigeration cycle (10); a second refrigeration cycle (20); an in-vehicle heat exchanger (32) to which a cooling medium CM that has exchanged heat with a second refrigerant (R2) in a second low-pressure-side heat exchanger (24) is supplied when the vehicle temperature control system (100) performs a cooling operation; and a blower (34) that blows air to a first low-pressure-side heat exchanger (14) and to the in-vehicle heat exchanger (32) so as to guide the air into the vehicle cabin. The in-vehicle heat exchanger (32) is disposed on the upstream side of the first low-pressure-side heat exchanger (14) in the direction (AD) of the air flow that is guided by the blower, and when the vehicle temperature control system (100) performs a cooling operation, the air cooled by the cooling medium (CM) in the in-vehicle heat exchanger (32) is further cooled by a first refrigerant (R1) in the first low-pressure-side heat exchanger (14).
Resumen de: WO2025086643A1
The present disclosure provides an energy storage cooling device and a control method and system therefor. The device comprises: a control unit, used for interacting with a battery management system; a main circulation unit, comprising a main pump, a first circulation pipe, a second circulation pipe and a third circulation pipe, wherein the main pump is connected to the control unit and used for conveying low-temperature cooling water to a cooling plate of a cooled unit through the first circulation pipe on the basis of a control instruction, and the second circulation pipe is used for outputting high-temperature cooling water on the cooling plate; and a cooling unit, connected to the control unit and used for cooling the high-temperature cooling water on the basis of a cooling instruction, to obtain low-temperature cooling water, and conveying the low-temperature cooling water to the main pump through the third circulation pipe. The present disclosure improves the control efficiency of the energy storage cooling device, and can be widely applied to the technical field of energy storage cooling.
Resumen de: WO2025087161A1
Disclosed in the present application are a battery pack and an electric device. The battery pack comprises a circuit board, a battery cell assembly, a sensor, a first bonding member and a second bonding member, wherein the circuit board has a first surface and a second surface that face away from each other in a first direction; the battery cell assembly comprises a plurality of battery cells, each battery cell comprises a battery cell casing and electrode terminals extending out of the battery cell casing, and the electrode terminals are connected to the circuit board; the first surface, the second surface and battery cell casings are arranged in the first direction; the sensor is arranged on the first surface; the first bonding member comprises a first portion, and the first portion covers the sensor; the second bonding member bonds the battery cell casings with the circuit board, and at least part of the second bonding member is located on the first surface; and the first portion is exposed from the second bonding member. In the battery pack, the first portion has a protection effect on the sensor, which is conducive to reducing the effect of the second bonding member on the sensor, and reducing the effect of the second bonding member on the measurement precision of the sensor.
Resumen de: WO2025086904A1
A lithium battery capacity prediction method and system. The method comprises: performing charging and discharging processing on a lithium battery under test, and then recharging same to an SOC required for self-discharge screening (S10); acquiring a discharge capacity corresponding to a formation discharge cutoff voltage, and a discharge temperature when discharge ends (S20); on the basis of a temperature compensation formula, using the discharge temperature to calibrate and compensate for the discharge capacity, so as to obtain a compensated discharge capacity (S30); and putting the compensated discharge capacity into a pre-fitted capacity prediction formula, so as to obtain a full-discharge capacity of said lithium battery (S40). By means of extracting some effective feature values under a formation process, i.e., a discharge capacity corresponding to a discharge cutoff voltage, and a corresponding discharge temperature when discharge ends, the actual graded capacity of a battery cell can be predicted according to a pre-established capacity prediction model.
Resumen de: WO2025086029A1
A composite multi-element positive electrode material, a preparation method, and a use. The multi-element positive electrode material is modified, and near-surface doping is combined with coating using a specific fast-ion conductor material. The near-surface doping improves the stability of the structure of the multi-element material, improves a lattice state, and achieves a certain supporting effect; by building a fast-ion conductor coating layer, the interface stability of the multi-element positive electrode material is further improved, damage to an interface of the multi-element positive electrode material in a rolling process is effectively reduced, exposure and surface slip properties of a fresh interface are reduced, and then the storage performance under a high voltage is improved. By combining near-surface doping with coating using a fast-ion conductor, the obtained composite multi-element positive electrode material has excellent rolling resistance and excellent storage performance under a high voltage of 4.5 V, and the fast-ion conductor with which the surface is coated is beneficial to further improving the capacity per gram.
Resumen de: WO2025086100A1
A copper-based sodium positive electrode material, and a preparation method therefor and a use thereof. The chemical structural formula of the copper-based sodium positive electrode material is NaxMyCunO2, wherein M comprises at least three of Li, K, Al, Ti, Cr, Mn, Fe, Co, Ni, Zn, Mg, Sn, Zr, Mo, Nb, Y, W, In, and Ge, 0.5≤x≤1, 0≤y<1, and y+n=1.
Resumen de: WO2025086136A1
A full-concentration gradient precursor material, a preparation method therefor, and a use thereof. The full-concentration gradient precursor material comprises an inner core and an outer shell, wherein the inner core comprises a nickel-cobalt-manganese precursor material containing a doping element, and the outer shell comprises a nickel-cobalt-manganese precursor material free of a doping element; and from the center of the inner core to an outer surface of the outer shell in the full-concentration gradient precursor material, the content of the element nickel has a decreasing gradient, and the contents of the elements cobalt and manganese have increasing gradients. By means of a combination of a doped core-shell structure and a full-concentration gradient structure, the full-concentration gradient precursor material solves the problem of interface compatibility between the inner core and the outer shell and improves the power performance and cycle performance of the material.
Resumen de: US2025140966A1
A battery pack includes a housing; a cell assembly disposed in the housing and including multiple cell units; and a heat absorber in thermal contact with at least one cell unit to absorb the heat generated by the cell assembly during a charging and discharging process of the battery pack. The heat absorber contains at least paraffin wax, and the mass of the paraffin wax accounts for 70% to 90% of the mass of the heat absorber.
Resumen de: US2025140900A1
An electrolyte membrane for a battery that cycles lithium ions includes a sulfide-based solid electrolyte, a polymer binder, an inorganic filler, an inorganic lithium salt, and an ionic liquid. The sulfide-based solid electrolyte includes lithium sulfide (Li2S) and at least one element selected from the group consisting of phosphorus (P), tin (Sn), silicon (Si), germanium (Ge), boron (B), gallium (Ga), and aluminum (Al). The ionic liquid includes substantially equimolar amounts of a cation and an anion. The cation includes a complex of lithium (Li+) and an ethylene glycol dimethyl ether, an imidazolium ion, a piperidinium ion, a pyrrolidinium ion, an ammonium ion, a phosphonium ion, or a combination thereof. The anion includes an arsenate ion, a phosphate ion, a sulfonylimide ion, a borate ion, a chlorate ion, or a combination thereof.
Resumen de: US2025140898A1
In accordance with at least selected embodiments, a battery separator or separator membrane comprises one or more co-extruded multi-microlayer membranes optionally laminated or adhered to another polymer membrane. The separators described herein may provide improved strength, for example, improved puncture strength, particularly at a certain thickness, and may exhibit improved shutdown and/or a reduced propensity to split.
Resumen de: US2025140919A1
A battery that cycles lithium ions includes a negative electrode, a positive electrode spaced apart from the negative electrode, and a gel polymer electrolyte disposed between and configured to provide a medium for the conduction of lithium ions between the negative electrode and the positive electrode. The positive electrode includes a high-voltage electroactive material formulated to undergo lithium intercalation and deintercalation. The gel polymer electrolyte includes an aliphatic polyester, a lithium salt, and an ionic liquid. The aliphatic polyester includes a substituted or unsubstituted poly(ethylene carbonate) (PEC). The lithium salt includes lithium sulfonylimide, lithium borate, or a combination thereof. The ionic liquid includes substantially equimolar amounts of a cation and an anion, with the cation including a complex of lithium (Li+) and an ethylene glycol dimethyl ether, an imidazole ion, or a combination thereof, and the anion including a sulfinate ion, a borate ion, or a combination thereof.
Resumen de: US2025140865A1
An electrode mixture contains an active material containing a lithium (Li) element, a manganese (Mn) element, and an oxygen (O) element and a sulfur compound containing a lithium (Li) element, a phosphorus (P) element, a sulfur(S) element, and a halogen (X) element, wherein the sulfur compound has a mole ratio of the halogen (X) element to the phosphorus (P) element of less than 1. Preferably, the active material includes a core portion containing a lithium (Li) element, a manganese (Mn) element, and an oxygen (O) element and a coating portion located on the surface of the core portion. Preferably, the coating portion contains a lithium (Li) element, an element A, and an oxygen (O) element, where A is at least one element selected from titanium (Ti), zirconium (Zr), tantalum (Ta), niobium (Nb), and aluminum (Al).
Resumen de: US2025140912A1
A sulfide-based solid electrolyte has an argyrodite-type crystal structure which is doped with an element having an oxidation number of 4 and a transition metal having an oxidation number of 6 so as to improve moisture stability and ionic conductivity of the sulfide-based solid electrolyte.
Nº publicación: WO2025089077A1 01/05/2025
Solicitante:
PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
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Resumen de: WO2025089077A1
In the present invention, a power supply device comprises a plurality of secondary battery cells that each have a terminal, heat-conductive battery holders that accommodate the plurality of secondary battery cells, a holder case that accommodates the battery holders, and an exterior case that houses the holder case. The invention comprises a waterproof structure for waterproofing at least the areas that include the terminals of the plurality of secondary battery cells accommodated in the battery holders. The areas are within the battery holders and are positioned between the holder case and each of the battery holders. First cooling air paths through which cooling air flows are formed in the holder case between the inner surface of the holder case and the surfaces of the battery holders. An exterior case exhaust port communicating with the first cooling air paths is formed in the exterior case.
BOPI
Sede Electrónica
