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1196
results.
Updated on
18/08/2025 [07:12:00]
Results 750 to 775 of 1196
Absstract of: US2025253695A1
This application provides a charging/discharging circuit and an electronic device, and relates to the field of electronic technologies, to improve utilization of a switched capacitor circuit and reduce an area of the charging/discharging circuit. The charging/discharging circuit provided in this application includes a switched capacitor (SC) circuit, configured to charge/discharge a battery. The switched capacitor (SC) circuit includes a first end, configured to receive an input power supply voltage; a second end, configured to: provide a charging voltage for a battery in a charging process, and receive a discharging voltage released by the battery in a discharging process; and a third end, configured to provide an output voltage, where the output voltage is a direct current voltage or a pulse width modulation (PWM) voltage.
Absstract of: US2025253698A1
An electronic device according to one embodiment comprises: a first battery; a second battery; a charging circuit; a first fuel gauge that is connected to the first battery and the charging circuit, monitors usage status information associated with the first battery, and includes a first switch for charging or discharging the first battery; and a second fuel gauge that is connected to the second battery and the charging circuit, monitors usage status information associated with the second battery, and includes a second switch for charging or discharging the second battery, wherein the processor may be configured to control the first fuel gauge to provide power from the first battery to at least one first electrical component through the first switch, and control the second fuel gauge to provide power from the second battery to at least one second electrical component through the second switch.
Absstract of: US2025253347A1
Disclosed is anon-aqueous electrolyte secondary battery including: a positive electrode; a negative electrode; and a non-aqueous electrolyte, wherein the positive electrode includes a positive electrode current collector and a positive electrode active material layer supported on the positive electrode current collector, the positive electrode active material layer contains active material particles, a binder, and a first organic phosphorus compound, a content Cpn of the first organic phosphorus compound in the positive electrode active material layer is 0.1 mass % or more and 5 mass % or less, and the non-aqueous electrolyte contains a non-aqueous solvent, an electrolyte salt, and a second organic phosphorus compound.
Absstract of: US2025253431A1
A battery and an electric apparatus are disclosed. The battery includes: a housing having an accommodating space; battery units in the accommodating space. The battery unit includes a plurality of battery cells disposed side by side along a first direction, and the plurality of battery units are disposed side by side along a second direction. At least two battery cells in the plurality of battery units have different chemical systems. A thermal management assembly is disposed in the accommodating space, where the thermal management assembly includes a heat exchange plate that is disposed on at least one side of the battery units in the second direction, the heat exchange plate is connected to the plurality of battery cells of the battery units, and the heat exchange plate is configured to accommodate a heat exchange medium to adjust temperature of the plurality of battery cells of the battery units.
Absstract of: US2025253430A1
A rechargeable battery includes a wound-type electrode assembly, a heat pipe, a can, and a cap plate. The heat pipe is disposed inside of the electrode assembly at a distance from a wound center of the electrode assembly, and the heat pipe surrounds the wound center. The can includes an internal space in which the electrode assembly and the heat pipe are positioned. The cap plate is coupled to an end of an opening of the can to close and seal the can, the cap plate is connected heat pipe, and the cap plate is configured to provide dissipation of heat from the heat pipe.
Absstract of: US2025253346A1
The present application discloses a lithium-supplementing additive, a preparation method therefor, and an application thereof. The lithium-supplementing additive includes a core body and a functional encapsulation layer covering the core body. The core body includes a lithium-supplementing material, and the lithium-supplementing material is a lithium-containing material having a unidirectional capacity, in which lithium ions are deintercalated during a first charge and free from intercalation during a discharge. Based on the lithium-supplementing material having a unidirectional capacity included in the lithium-supplementing additive of the present application, and lithium ions can be effectively deintercalated during the first charge and prevented from being intercalated into the lithium-supplementing material again during the discharge, therefore, the lithium-supplementing effect of the lithium-supplementing additive provided by the present application is ensured, and the initial efficiency and the overall electrochemical performance of a battery containing the lithium-supplementing additive is improved.
Absstract of: WO2025161211A1
A tab detection system (20) and a tab detection method. The system (20) comprises a first image acquisition assembly (21), a control assembly, a first driving assembly (22), a prism (23), and a second image acquisition assembly (24). The prism (23) is connected to the first driving assembly (22). The first image acquisition assembly (21) is used for acquiring a first target image of a battery cell (10). The control assembly is used for: obtaining the first target image; determining a position offset on the basis of a positional relationship between the position of a first reference point of the battery cell (10) in the first target image and a preset reference position; on the basis of the position offset, calibrating a targe position that the prism (23) is to reach; and controlling the first driving assembly (22) to drive the prism (23) to move to a calibrated target position. The second image acquisition assembly (24) is electrically connected to the control assembly, and the second image acquisition assembly (24) is used for when the prism (23) moves to the calibrated target position, photographing a reflective surface of the prism (23) to obtain an image of a side surface of a tab of the battery cell (10).
Absstract of: WO2025161253A1
The present application provides an electrolytic copper foil and a preparation method therefor, and a lithium battery. The electrolytic copper foil comprises copper having a content of greater than or equal to 99.9 wt% and a chlorine element having a content of 100-200 μg/g, and further comprises a gold element having a content of 80-200 μg/g and a platinum element having a content of 80-200 μg/g. The electrolytic copper foil containing the gold element and the platinum element can mitigate breakage occurring in the calendering process of lithium-ion batteries and reduce potential safety hazards during the use of batteries, thereby improving the elongation rate and the production process efficiency; in addition, minor addition of gold and platinum exhibits good electrical conductivity, thereby improving the electrical conductivity of the foil.
Absstract of: WO2025161264A1
A battery system (10) and an assembly method. The battery system comprises batteries (300) and a battery box. The battery box comprises a box body assembly (200) and a battery support frame (100). The battery box is provided with a plurality of battery slots for accommodating the batteries (300), and each battery slot comprises a first battery slot (101) and a second battery slot (201). The first battery slot (101) and the second battery slot (201) are arranged opposite one another. The first battery slot (101) is formed on the battery support frame (100), and the second battery slot (201) is formed on the box body assembly (200). The box body assembly (200) and the battery support frame (100) tightly sandwich the batteries (300).
Absstract of: US2025253678A1
An apparatus includes a battery pack having a plurality of modules, the plurality of modules including a plurality of cells. The apparatus further includes a battery management system (BMS) within the battery pack configured to communicate with one or more signal conditioning devices, the one or more signal conditioning devices each associated with one of the plurality of modules and configured to measure characteristics of cells of an associated module against a threshold. The apparatus further includes a circuit associated with at least one of the plurality of modules. The circuit includes a first cell in series with at least a first resistive element and a second cell in series with at least a second resistive element. The signal conditioning device associated with the circuit is configured to cause the first cell to discharge through the first resistive element and the second resistive element.
Absstract of: US2025253677A1
An electric vehicle charging station for charging electric vehicles includes a plurality of energy storage reservoirs configured to receive and store energy from one or more power sources and/or one or more power generators; one or more power heads for charging the electric vehicles at the electric vehicle charging station, the multiple power heads receiving electrical power from the plurality of energy storage reservoirs, the multiple power heads each being configured for releasably connecting to each of the electric vehicles for charging at the electric vehicle charging station; and a computer control system configured to monitor a charging demand at each of the one or more power heads and to connect one or more of the plurality of energy storage reservoirs to one or more of the power heads based on the charging demand of the one or more power heads.
Absstract of: US2025253700A1
A foldable device and method for controlling charging of battery cells are provided. The foldable device includes: a first battery pack accommodated in a first housing structure and including a first battery cell; a second battery pack accommodated in a second housing structure and including a second battery cell; a connection unit which connects the first battery cell and the second battery cell in series; and a fuel gauge which is accommodated in the first housing structure and detects a first cell voltage of the first battery cell and a second cell voltage of the second battery cell. Wiring connected to a negative electrode terminal of the first battery cell and wiring connected to a positive electrode terminal of the second battery cell are connected to the fuel gauge. The fuel gauge detects an internal resistance (IR) voltage between the negative electrode terminal and the positive electrode terminal.
Absstract of: US2025253697A1
A storage battery control device includes a plurality of first control devices that are provided respectively for strings and configured to control a string auxiliary device, and a second control device configured to communicate with the plurality of first control devices and a host server outside an electricity storage system. The first control device is configured to acquire information on states of the strings and transmit the information to the second control device. The second control device is configured to calculate an instruction value of charge and discharge power assigned to each of strings based on an instruction value of charge and discharge power of the electricity storage system received from the host server and information on the states of the strings received from the plurality of first control devices, and transmit the instruction value of charge and discharge power to the first control devices.
Absstract of: US2025253412A1
A nonaqueous electrolyte secondary battery including: an electrode group including a first electrode having a first current collector, a second electrode having a second current collector, and a separator interposed therebetween; a nonaqueous electrolyte; all housed in a battery case. The first electrode and the second electrode are wound with the separator interposed therebetween, with an outermost layer of the first electrode disposed further outside than an outermost layer of the second electrode. The winding-finish end of the first electrode is an end of an excess portion which is wound around an outer surface of the first electrode on an inner layer side, without the second electrode interposed therebetween. The circumferential length L1 of the excess portion is 90% or more of the circumferential length L of the first electrode of the outermost layer. The excess portion has a functional layer disposed on a surface of the first current collector.
Absstract of: US2025253386A1
An assembly includes a housing defining an internal volume and an electrochemical cell stack including a plurality of electrochemical cells is disposed in the internal volume. A compliance member is disposed in the internal. The compliance member includes a base, and a plurality of biasing members extending from a surface of the. The plurality of biasing members are configured to exert a biasing force on the electrochemical cell stack so as to compress the electrochemical cell stack. A compliance member may additionally, or alternatively be disposed on an electrode stack included in an electrochemical cell and configured to exert a biasing force on the electrode stack.
Absstract of: US2025253385A1
A battery cutting apparatus is provided. The apparatus includes a carrying assembly, a first cutter assembly, a first driving assembly, a second cutter assembly and a second driving assembly. The carrying assembly is configured to carry a battery to be cut. The first driving assembly is in transmission connection with at least one of the first cutter assembly or the carrying assembly and configured to make them move relative to each other along a first direction. The second driving assembly is in transmission connection with at least one of the second cutter assembly or the carrying assembly and configured to make them move relative to each other along a second direction perpendicular to the first direction. At least one of the first or second cutter assembly is a pressing and cutting cutter assembly, which is configured to be able to press and break the housing of the battery.
Absstract of: US2025253387A1
The present invention relates to a high-voltage lithium metal battery, characterized by its non-flammability due to the high flash point and high thermal stability of its specifically designed electrolyte, thereby ensuring its safe operation. In particular, the battery comprises an electrolyte with lithium salts and a novel diether compound with asymmetrical fluorination, developed based on electrolyte molecular design, synthesis and thermophysical properties characterization. The electrolyte with the asymmetrically fluorinated diether compound exhibits high thermal stability through high boiling point and high flash point, while also having a high working voltage, allowing high energy density designs and simultaneously optimizing operation safety by minimizing flammability and flash risks.
Absstract of: WO2025161182A1
A battery electrolyte injection system and a battery electrolyte injection method. The battery electrolyte injection system comprises a conveying platform, wherein the conveying platform comprises a first conveying line, which is configured to convey battery cells; a battery-cell stacking assembly, which comprises a first transfer assembly (15), a driving member and at least two storage assemblies, the first transfer assembly (15) being configured to transfer the battery cells to the storage assemblies, and the driving member being configured to move the storage assemblies onto the first conveying line; a cover sealing assembly (20), the cover sealing assembly (20) comprising a second transfer assembly and an electrolyte injection cup; an electrolyte injection assembly; and an actuation module, wherein the first transfer assembly (15) is electrically connected to the actuation module, and the actuation module performs visual guidance on the movement of the first transfer assembly (15) on the basis of the positions of the battery cells on the first conveying line. In the solution, a plurality of battery cells can be placed on each storage assembly, and the provision of the two storage assemblies enables the whole system to inject an electrolyte into the plurality of battery cells at the same time, thereby effectively improving the electrolyte injection efficiency and the production efficiency.
Absstract of: WO2025161177A1
The present application relates to the technical field of batteries, and discloses a blade battery, a battery module, and a battery pack. The battery comprises a housing, an electrode assembly, a cover plate, an insulating support structure, and a stop member. When thermal runaway occurs, the stop member is supported between the cover plate and the electrode assembly; 8%≤S1/S3≤30%, 10%≤S2/S4≤80%, and a gap is present between the insulating support structure and the inner wall of the housing to facilitate insertion of the insulating support structure into the housing; the gap between the insulating support structure and the inner wall of the housing serves as an airflow channel when the battery is in a normal operation state, ensuring that gas can flow through the gap area to a pressure relief mechanism; S1/S3≤30%, so that the width of the insulating support structure can be prevented from being excessively small, thereby ensuring the insulation protection effect of the insulating support structure on the electrode assembly; 10%≤S2/S4≤80%, so that S2 is prevented from being excessively small to avoid an excessively small exhaust channel, thereby effectively ensuring the exhaust effect during thermal runaway of the battery; in addition, S2 is prevented from being excessively large to avoid an undersized stop member, thereby ensuring the strength of the stop member.
Absstract of: WO2025161176A1
A battery comprises a battery casing, which comprises a battery shell and a cover plate. The battery shell comprises a main body (1), the main body (1) enclosing an accommodating space, and laser cladding regions (101) being formed on the main body (1), wherein the laser cladding regions (101) extend inwards in the direction of the wall thickness of the main body (1) from the outer surface of the main body (1); alternatively, the laser cladding regions (101) extend outwards in the direction of the wall thickness of the main body (1) from the inner surface of the main body (1); and in the circumferential direction of the main body (1), several laser cladding regions (101) are provided at intervals. By means of laser cladding, the laser cladding regions (101) are formed on the machined main body (1), thereby enhancing the overall structural strength of the battery shell. Thus, when the battery undergoes thermal runaway, the battery shell is not easily broken, thereby avoiding safety accidents; and after the battery is loaded into a battery pack, the battery shell is not easily bent and deformed, thereby ensuring the performance of the battery.
Absstract of: US2025253703A1
A method, an apparatus, a system and a device for directly charging a battery based on photovoltaic panels are disclose, which belongs to the field of new energy technologies. The method includes firstly adjusting the number of series-connected photovoltaic panels of each photovoltaic panel series branch according to the desired battery charging voltage of the secondary battery, the current number of series-connected photovoltaic panels of each photovoltaic panel series branch and the current maximum power point voltage, to ensure that the maximum power point voltage of each photovoltaic panel series branch can match the desired battery charging voltage.
Absstract of: US2025253784A1
A system is provided with a set of removable battery packs and a set of power tools each including a motor, a controller, and a battery receiving portion. For each power tool, the controller is configured to identify a type of battery pack coupled to the battery receiving portion and set a conduction band associated with phases of the motor or an advance angle by which phases of the motor are shifted based on the identified type of the battery pack.
Absstract of: US2025253682A1
Provided is a battery system, including a first battery pack including a first battery cell, a second battery pack including a second battery cell, a charger, and at least one processor configured to control the charger to sequentially perform constant current (CC) charging on the second battery pack and the first battery pack based on input power being identified, and control the charger to sequentially perform constant voltage (CV) charging on the second battery pack and the first battery pack based on the CC charging of the second battery pack and the first battery pack being completed, wherein a discharging performance of the first battery pack is greater than a discharging performance of the second battery pack, and wherein a charging performance of the second battery pack is greater than a charging performance of the first battery pack.
Absstract of: US2025253667A1
A method of operating a battery-integrated HVAC system to selectively store energy obtained from an electrical grid in a first battery integrated into the battery-integrated HVAC system and to selectively power the battery-integrated HVAC system solely via electrical power stored in the first battery. A battery-integrated HVAC network including a battery server that causes at least one of a plurality of separate battery-integrated HVAC systems to switch power configurations to a power configuration where the HVAC system operates from electrical power drawn solely from a battery and without electrical power obtained from the electrical grid. A battery-integrated HVAC system configured to store electrical power obtained from an electrical grid and operate solely from electrical power from a battery without electrical power from the electrical grid.
Nº publicación: US2025253491A1 07/08/2025
Applicant:
SAMSUNG SDI CO LTD [KR]
SAMSUNG SDI CO., LTD
Absstract of: US2025253491A1
A rechargeable battery pack includes a holder including a plurality of accommodation spaces therein; a plurality of unit battery cells in the plurality of accommodation spaces; at least one connection tab that electrically connects the plurality of unit battery cells on an upper portion of the holder; a busbar that includes a busbar plate electrically connected to the at least one connection tab and extending in a first direction along a side surface of the holder, and a bending connection portion on the upper portion of the holder, the bending connection portion being connected to the busbar plate and bent in a second direction that is perpendicular to the first direction; and a battery management system (BMS) circuit on the upper portion of the holder and electrically connected to the bending connection portion.
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