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1712
resultados
Última actualización
10/06/2025 [07:17:00]
Resultados 350 a 375 de 1712
Resumen de: US2025180258A1
A control device is configured to control a second expansion mechanism and a pressure regulating mechanism to avoid frosting of a second utilization-side heat exchanger under operating conditions in which a heat-source-side heat exchanger functions as a radiator, a first utilization-side heat exchanger and the second utilization-side heat exchanger function as evaporators, and the first utilization-side heat exchanger is possibly frosted.
Resumen de: US2025180663A1
A system of estimating a state of health of a storage battery includes a controller. The controller is configured to specify a use state of the storage battery, and calculate the state of health of the storage battery in each of a plurality of use states.
Resumen de: US2025183383A1
The invention provides a modular system and method of use for the storage of energy subsea. The modular system comprises an energy management system and a rechargeable energy storage system. The energy management system is configured to control a transfer of electrical energy between the rechargeable energy storage system and at least one energy source and/or at least one electrical load.
Resumen de: US2025183446A1
A box body of a battery, a battery, and an electrical apparatus are described. The box body includes a base plate and a plurality of side beams, the plurality of side beams are connected to the base plate, and an accommodating space is defined by the plurality of side beams and the base plate, where at least one side beam includes a beam main body and a reinforcing portion, the reinforcing portion protrudes from the surface of the beam main body facing the accommodating space, the reinforcing portion is provided with an avoidance structure, and the avoidance structure is configured to avoid components accommodated in the accommodating space. In some embodiments, at least one side beam is provided with the reinforcing portion, so that the structural strength of the side beam is improved. The reinforcing portion is arranged on the surface of the beam main body facing the accommodating space.
Resumen de: US2025183436A1
Discussed is a battery pack that may include: a plurality of battery cells; an outer case configured to store the plurality of battery cells and including a plurality of unit parts disposed to extend in a first direction of the plurality of battery cells; and a reinforcement member configured to interconnect the plurality of unit parts and configured to be inserted into the plurality of unit parts such that a surface of the reinforcement member does not contact the plurality of battery cells.
Resumen de: WO2025112445A1
The present application discloses a battery insertion device, a battery assembly method, and a battery assembly system. The insertion device comprises a machine frame, a bearing mechanism, and an insertion mechanism; the bearing mechanism is arranged on the machine frame, and is used for bearing a bottom cover and an electrode assembly supported above the bottom cover; and the insertion mechanism is arranged on the machine frame, and comprises a case fixing mechanism and a tab part guide mechanism, the case fixing mechanism is used for fixing a case, and the tab part guide mechanism and the case fixing mechanism both can get close to or away from the bearing mechanism, wherein the case fixing mechanism is configured to sleeve the case onto the outer side of the electrode assembly by means of an open end when moving close to the bearing mechanism; and the tab part guide mechanism is configured to guide a tab part to penetrate out of an accommodating cavity through a through hole when the case is sleeved on the electrode assembly. According to the present application, by means of the mode, the tab part smoothly extends out of the case, thereby achieving the accurate insertion of the electrode assembly, reducing the battery preparation difficulty, and improving the assembly efficiency and the yield of batteries.
Resumen de: WO2025112316A1
An electrodeposited copper foil and a preparation device therefor, a negative electrode sheet, a battery cell, a battery, and an electric apparatus. The preparation device for the electrodeposited copper foil comprises a pulsed power supply and a foil-forming apparatus. The pulsed power supply has a positive electrode and a negative electrode. The foil-forming apparatus comprises a cathode member and an anode member, wherein the anode member is provided with a plating solution tank for containing an electroplating solution, and at least part of the cathode member is located in the plating solution tank. The positive electrode is electrically connected to the cathode member, and the negative electrode is electrically connected to the anode member.
Resumen de: WO2025112002A1
Disclosed in the present disclosure are an electrode assembly, a preparation method therefor, a battery cell, a battery, an electrical device and an energy storage device. The electrode assembly comprises: a jellyroll structure, the jellyroll structure being formed by rolling up a laminate comprising a positive electrode sheet and a negative electrode sheet, a separator being interposed between the positive electrode sheet and the negative electrode sheet, the jellyroll structure comprising bending zones, the positive electrode sheet comprising at least one positive electrode bending part located in the bending zones, the negative electrode sheet comprising at least one negative electrode bending part located in the bending zones, and in the rolling axis direction of the jellyroll structure, two ends of the separator exceeding the positive electrode bending part and the negative electrode bending part; and a protective layer attached to the surface of the positive electrode bending part and/or the surface of the negative electrode bending part, at least one end of the protective layer exceeding the separator in the rolling axis direction of the jellyroll structure.
Resumen de: WO2025111861A1
A battery cell, a battery, and an electric device. The battery cell comprises: a casing, a pressure relief mechanism and an electrode assembly, wherein the casing is provided with a first wall and a second wall, which are adjacent to and connected to each other; the pressure relief mechanism is arranged on the first wall; and the electrode assembly is arranged in the casing and is provided with a first portion and a second portion, which are arranged in sequence in a first direction, the first portion and the second portion each comprising a plurality of anode electrode sheet layers and a plurality of cathode electrode sheet layers, the plurality of anode electrode sheet layers and the plurality of cathode electrode sheet layers being alternately stacked one by one in the first direction, the second portion being arranged between the first portion and the second wall, the distance between the cathode electrode sheet layers of the second portion and the first wall being greater than the distance between the cathode electrode sheet layers of the first portion and the first wall, and the first direction being perpendicular to the second wall.
Resumen de: WO2025112043A1
Iron phosphate as well as a preparation method therefor and the use thereof. The method comprises: preparing a precursor solution from an iron source, a phosphate source, an amide substance and a first solvent, filling a mesoporous material with the precursor solution to form a filling body; then adding a second solvent which is immiscible with the first solvent and has a different density, and wrapping the filling body in the second solvent, so as to seal the precursor solution in the cavities or pore channels in the mesoporous material, such that the mesoporous material has blocking and limiting effects, and the precursor solution in the cavity or the pore channel can generate, after reaction, iron phosphate particles smaller than the volume of the cavity; and then calcinating same to remove the mesoporous material, so as to obtain discrete iron phosphate particles having a small particle size.
Resumen de: WO2025113307A1
A composite current collector, a preparation method therefor and a use thereof. The composite current collector comprises a base film and a metal layer on at least one side surface of the base film. A protective layer is further provided on the surface of the metal layer. The metal layer comprises copper or a copper alloy. The protective layer comprises a complex formed by a polythiophene compound, a polyanion compound and metal ions, wherein the metal ions comprise Fe3+, Fe2+ and Cu2+, and the polyanion compound comprises sulfonate. According to the composite current collector, by means of the protective layer provided on the surface of the metal layer, the problem of the metal layer being oxidized due to contact with oxygen can be effectively solved, the conductivity of the composite current collector will not be affected, and the overall stability of the composite current collector can also be improved.
Resumen de: WO2025113482A1
Provided in the present invention are an electrode assembly and a lithium-ion battery. The electrode assembly comprises electrode plates and a separator between the electrode plates, wherein each electrode plate comprises a current collector; the surface in the middle of the current collector is provided with a coating layer; two sides of the current collector are blank foil areas; the coating layer comprises a first active material layer and second active material layers; and the second active material layers are respectively located on two sides of the first active material layer and are close to the blank foil areas, the bonding strength of the second active material layers being greater than the bonding strength of the first active material layer, and the electrical conductivity of the second active material layers being higher than the electrical conductivity of the first active material layer. By means of the present invention, the over-current capacity at a tab side of a lithium-ion battery during charging/discharging can be improved, such that the polarization is reduced the battery is prevented from lithium plating during long-term circulation, and the consumption of an electrolyte is also reduced, and the service life of a battery cell is prolonged.
Resumen de: WO2025113467A1
The present invention relates to the technical field of electrochemical devices, and in particular to a separator and an electrochemical device. The separator comprises a carrier layer and a polymer layer located on one side surface or two side surfaces of the carrier layer; the polymer layer comprises a polymer A and a polymer B; the polymer A is a copolymer comprising a first monomer and a second monomer; the polymer B is a copolymer or homopolymer comprising a third monomer; and the ratio of the weight of the polymer A to the weight of the polymer B is (0.1-9):1. The separator has a low swelling degree in an electrolyte and high adhesion strength, and is durable and stable, thereby reducing the thickness swelling rate of a battery, and improving the cycle performance of the battery, particularly the long cycle performance.
Resumen de: WO2025114779A1
An electrochemical energy storage device and a method of operating the same are described. The electrochemical energy storage device may include one or more electrochemical cells and a heating module coupled to, and configured to regulate a temperature of, the electrochemical cells. The heating module may include an internal control mechanism configured to regulate the temperature of the electrochemical cells within a predetermined temperature range. The heating module may include a bus bar physically coupled to a heating element that can be controlled via electronically operated switches, such as, solid state or mechanical relays. In various embodiments, the electrochemical cells may be regulated to maintain a minimum temperature during which charging, or discharging, can occur at a maximal rate.
Resumen de: WO2025112617A1
Disclosed in the present application are a hot-pressing roller mechanism, a pressing roller mechanism, an adhesive application device and a battery production system. The hot-pressing roller mechanism comprises a hot-pressing roller and a heating assembly, wherein the heating assembly and the hot-pressing roller are spaced apart from each other; and the heating assembly is configured to perform non-contact heating on the hot-pressing roller. By means of non-contact heating, no structural member is introduced to the surface of the hot-pressing roller, such that the phenomenon of foreign matter being introduced to the surface of an electrode sheet during the process of the hot-pressing roller performing hot pressing on the electrode sheet can be alleviated, thus increasing the adhesive application yield. The hot-pressing roller mechanism is used to perform hot pressing on an electrode sheet to which an adhesive has been applied, and to smooth and compact an adhesive tape on the surface of the electrode sheet, thus enhancing the bonding tightness between the adhesive tape and the electrode sheet, and increasing the adhesive application yield.
Resumen de: WO2025112590A1
A signal sampling circuit, a battery management system, a battery system and an electrical apparatus. The signal sampling circuit (10) comprises a first voltage divider module (11), a first switch module (12) and a sampling module (13), wherein the first voltage divider module (11) and the first switch module (12) are connected in series between a point to be tested and a reference signal terminal of the sampling module (13), a first control terminal of the first switch module (12) is connected to a first power supply terminal, a second control terminal of the first switch module (12) is connected to an enable signal terminal of the sampling module (13), the sampling module (13) is connected to a first reference ground, the first voltage divider module (11) is internally provided with a sampling point, and the sampling module (13) is used for collecting a sampling signal at the sampling point. The present application helps to reduce the cost of signal sampling circuits.
Resumen de: WO2025112673A1
A battery pack (1000) and an electric device (2000). The battery pack (1000) comprises: a battery management system (10); a plurality of battery modules (20); a circuit board (30); and a connector assembly (40), wherein the plurality of circuit boards (30) are sequentially connected in series to form a circuit board string, and the circuit board string is connected to the battery management system (10) so as to transmit working condition data of battery cells (22) in the battery modules (20) to the battery management system (10).
Resumen de: WO2025112394A1
A method for preparing a positive electrode material, a positive electrode material, a positive electrode sheet, a battery and an electric device. The method for preparing a positive electrode material comprises: mixing precursor lithium manganese iron phosphate, a carbon source and a source of a doping element in a solvent, drying and sintering the mixture, so as to obtain a positive electrode material. The positive electrode material comprises an inner core and a coating layer coating the inner core, wherein the inner core comprises LiMnxFe1-xPO4, where 0＜x＜1; and the coating layer comprises carbon and a doping element, with the doping element comprises one or more of an IIA-group element, an IIIA-group element, an IVA-group element and a transition metal element. The method reduces the powder resistivity and specific surface area of the positive electrode material, and improves the gram capacity and cycle performance of a battery.
Resumen de: WO2025112390A1
A battery cell (500), a battery pack (400), and an electric device (1000). The battery cell (500) comprises a casing (510), an electrode assembly (520), and an adapter (100). The casing (510) is provided with two electrode terminals (511, 512). The electrode assembly (520) comprises two tabs (521, 522) having opposite polarities. The adapter (100) is provided between the electrode assembly (520) and the casing (510) and comprises two adapter portions (110, 120). The first adapter portion (110) is connected to the first electrode terminal (511) and the first tab (521). The second adapter portion (120) is electrically connected to the second electrode terminal (512) and the second tab (522). Part of the first adapter portion (110) and part of the second adapter portion (120) overlap in the axial direction of the battery cell (500).
Resumen de: WO2025112224A1
The present application relates to the technical field of batteries, and provides a battery cell holder and a battery module. The battery cell holder is provided with a first direction and a second direction; the battery cell holder comprises: a holder body; a plurality of first busbar mounting grooves and a plurality of second busbar mounting grooves are formed in the holder body; the plurality of first busbar mounting grooves and the plurality of second busbar mounting grooves are sequentially arranged in the first direction; and the plurality of first busbar mounting grooves and the plurality of second busbar mounting grooves are arranged at intervals in the second direction, wherein each first busbar mounting groove comprises a first mounting sub-groove and a second mounting sub-groove, and the first mounting sub-groove and the second mounting sub-groove at least partially overlap in the second direction.
Resumen de: WO2025112116A1
The present invention relates to the technical field of battery materials. Disclosed are an electrode sheet having a central tab and a preparation method therefor, and a battery. The electrode sheet comprises: a current collector, wherein the current collector has a surface A and a surface B; a primer coating applied to at least one side surface of the current collector, wherein the primer coating is at least partially separated from the current collector under the action of a laser to form a groove; an active material layer provided on at least one side surface of the current collector, wherein the active material layer covers the primer coating; and a tab welded at the position of the groove. The thickness of the primer coating on a single surface is 2 to 10 μm. According to the present invention, the primer coating is provided in a laser cleaning area, and the effect and compatibility of laser cleaning are improved by means of the characteristic that the primer coating is easy to remove, widening the application range of lasers in electrode sheet cleaning.
Resumen de: WO2025112036A1
The present invention relates to the technical field of battery safety. Disclosed are a battery cell and battery pack capable of being tested in situ, a system, and a battery monitoring method. The battery cell comprises a protective casing and an internal assembly provided inside the protective casing. The internal assembly comprises a battery winding pin, an ultrasonic sensor module adhered to the surface of the battery winding pin in a winding mode, and a battery winding tape layer adhered to the surface of the ultrasonic sensor module in a winding mode, wherein the ultrasonic sensor module is used for transmitting an ultrasonic transmission signal, receiving an ultrasonic reflection echo to perform ultrasonic testing, and performing real-time in-situ testing on the battery cell by means of the ultrasonic testing. On the basis of the technical solution provided by the present application, the ultrasonic sensor module inside the battery cell is used for performing the ultrasonic testing technology, so that real-time in-situ testing can be performed on the battery cell in service, thereby avoiding the risk caused by self-explosion of a battery.
Resumen de: WO2025111819A1
A battery for use with a power tool and the battery is removable from the power tool. The battery includes a housing having a first rib and a second rib. The battery further includes a release including an actuator and a latch that together move relative to the housing by the actuator from a first position to a second position. The release includes a first recess and a second recess, the first recess receives the first rib of the housing such that the first rib slides along the first recess to guide movement of the release between the first and second positions. The second recess receives the second rib of the housing such that the second rib slides along the second recess to guide movement of the release between the first and second positions.
Resumen de: WO2025113660A1
The present invention relates to the technical field of new energy power batteries, and relates to a lithium ion battery structure. A roll core (8) are located inside a case (1); a positive electrode cover plate (2), a positive electrode transition piece (4), and a positive electrode adapter (6) are provided on one end of the roll core (8) and the case (1), and a negative electrode cover plate (3), a negative electrode transition piece (5), a negative electrode adapter (7), and an insulating fixing ring (9) are provided on the other end of the roll core (8) and the case (1); and an insulating block plate (10) is arranged between the roll core (8) in the case (1) and the inner wall of the case (1). The lithium ion battery structure of the present invention has simple structure. By means of the arrangement of the structure and the setting of parameters, the sealing and insulation performances are improved, the matching of the battery in a corresponding vehicle is met, and the use requirement is met.
Nº publicación: WO2025113609A1 05/06/2025
Solicitante:
SVOLT ENERGY TECH CO LTD [CN]
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Resumen de: WO2025113609A1
A top cover assembly (100) of a battery and a battery having same. The top cover assembly (100) of the battery comprises: a cover body (1), a mounting hole (11) being provided in the cover body (1); an explosion-proof valve (2) arranged in the mounting hole (11) and blocking the mounting hole (11); and a protection structure (3) comprising a protective film (31) and an adhesive layer (32). The protective film (31) is attached to the cover body (1) by means of the adhesive layer (32) and is opposite the mounting hole (11); the adhesive layer (32) extends in the circumferential direction of the mounting hole (11); and the width of the adhesive layer (32) is a, the distance between the outer contour of the adhesive layer (32) and the inner peripheral wall of the mounting hole (11) is b, and a≥b and 0.5 mm≤b≤1.5 mm. In the top cover assembly (100) of the battery, by defining a≥b and 0.5 mm≤b≤1.5 mm, the bonding area between the adhesive layer (32) and the cover body (1) can be ensured, the fitting strength between the protection structure (3) and the cover body (1) can be improved, the reliability and stability of the connection between the protective film (31) and the cover body (1) can be ensured, the protection structure (3) can be prevented from falling off of the cover body (1), and the production costs of the top cover assembly (100) of the battery can be saved on.
BOPI
Sede Electrónica
