1305 results about "Rechargeable cell" patented technology

An apparatus is dedicated to controlling the voltage of a battery comprising at least two modules connected in series and each comprising at least one electrochemical cell, and each coupled to voltage balancing means. The apparatus comprises measurement means for determining first voltages across the terminals of each of the modules, calculation means for measuring a second voltage across the terminals of the battery and for determining a mean voltage per module representative of the second voltage divided by the number of modules, and processor means for comparing each measured first voltage with the mean voltage per module and for delivering to the balancing means signals representative of the result of the comparison whenever the first voltage of a module is greater than the mean voltage, such that the balancing means reduce the voltage across the terminals of the module.

A system for AI-supported leak detection and localization in water distribution infrastructures, consisting of: a large number of distributed sensor nodes mounted along a water pipe, each sensor node comprising the following: a pressure sensor configured to measure local hydraulic pressure fluctuations within the pipeline with a resolution of at least 0.01 bar; a flow sensor configured to measure the volume flow within the pipeline with an accuracy of at least ±0.5% of the measured value; an acoustic sensor configured to detect vibration signatures caused by leaks in a frequency range between 50 Hz and 20 kHz; an embedded microcontroller with integrated analog-to-digital conversion circuitry for digitizing sensor outputs; a wireless communication module configured to transmit time-synchronized sensor data to a cloud-based processing platform; and a local energy subsystem with a rechargeable battery and an optional circuit for generating photovoltaic energy; the cloud-based processing platform includes an artificial intelligence engine that comprises the following: a data acquisition module configured to receive and decode the transmitted sensor data and to perform time alignment; a supervised learning module that is trained on historical data of flagged leaks and non-leaks to classify incoming sensor patterns; an unsupervised learning module configured to detect anomalies by modeling normal operating baselines of the pipeline; and a topology-aware localization module configured to determine leak coordinates using the topology of the pipeline network, modeling the propagation of hydraulic waves, and estimating the arrival time difference from multi-node acoustic detections; and wherein the system is configured to provide real-time leak alerts and georeferenced visualization via a remote monitoring interface.

A battery charging system includes a charging rack comprising multiple receptacle, multiple battery assemblies. Each of the battery assemblies includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature protruding away from the housing, wherein the mating feature is configured to selectively connect the battery assembly with the receptacle of the charging rack and includes multiple ports electrically connected to the battery cells and configured receive power from the charging rack to charge the battery cells, and wherein the handle comprises a release button configured to selectively disengage the battery assembly from the receptacle of the charging rack.

The invention relates to a method for processing rechargeable batteries. The object of the invention described here is to provide a method for processing rechargeable batteries, via which rapid, resource-conserving, cost-effective, and sustainable reprocessing of a rechargeable battery is made possible. This is achieved by the method according to the invention in that the rechargeable battery is discharged, the discharged rechargeable battery is opened, the opened rechargeable battery is broken down into its single cells, and the condition of the single cells is checked.

An on-demand water heater (12) includes a heat exchanger (25). Water is supplied to the water heater from a water source such as a well pump (16) or other source of water. The water supplied to the water heater is treated by at least one water conditioner 18. A plurality of electrical heating elements (26, 28, 30, 32) are supplied with electrical power from rechargeable battery pack (46). At least one circuit (48) is operative to control the delivery electrical power from the battery pack to the heating elements to provide for the delivery of heated water at a set temperature from the water heater. The battery pack of the water heater is recharged from an available supply of house current electrical power. The rechargeable battery pack of the exemplary water heater also provides an auxiliary source of electrical power for other devices in circumstances when electrical power from a usual supply source becomes unavailable.

A multiple input converter for outputting power from AC power or a battery to positive and negative direct current (DC) buses is provided. The multiple input converter includes at least one bridge arm unit and a bidirectional DC-DC conversion unit. The bridge arm unit corresponds to one phase of the alternating current (AC) power and includes an upper and lower bridge arms that can independently form a two-level converter. In a battery mode, the upper and lower bridge arms discharge power from the rechargeable battery to the positive and negative DC buses, and the bidirectional DC-DC conversion unit discharges power from the rechargeable battery to the positive and negative DC buses or balances voltages of the positive and negative DC buses. In a mains mode, the bridge arm units are connected to the AC power. The bidirectional DC-DC conversion unit determine whether to charge or discharge according to load conditions.

An electrical line selection system comprising a circuit module configured to connect energy sources with multiple line outputs. The circuit module has a number of inputs configured to connect to energy sources, including rechargeable battery systems, and a number of outputs configured to connect with other electrical systems such as other battery systems, loads, charging sources, and various AC or DC power supplies. A switching circuit is contained by the circuit module and a controller manages the switching circuit based on desired connections and strategies for managing power supplies and current sinks.

The disclosure relates to a portable electric nail filing system, the system including a control box for supplying power and control to an electric nail file handpiece, the control box including a rechargeable battery and a processor. Also, a charging base is provided for engaging the control box, the charging base operable to recharge the rechargeable battery of the control box while the control box is engaged with the charging base, the charging base also including a rechargeable battery to be charged from an external source such as an AC outlet.

The present invention discloses a voltage-configurable rechargeable battery device and charging terminal and charging station, wherein the voltage-configurable rechargeable battery device comprises a rechargeable battery, a battery voltage management circuit, and a battery capacity acquisition circuit; the rechargeable battery is electrically connected to a charging terminal; the battery voltage management circuit comprises a boost / buck management circuit; the battery capacity acquisition circuit is connected to the battery voltage management circuit; the rechargeable battery can realize discharge curve following according to the current capacity via the battery voltage management circuit. The present invention can ensure basically consistence of the actual power level and the displayed power level, and improve users' experience.

Systems and apparatus may carry out analysis of battery physical phenomena, and characterize batteries based on phenomena occurring in particular time and / or frequency domains. These systems may be additionally responsible for charging and / or monitoring a rechargeable battery. Examples of battery physical phenomena include mass transport (e.g., diffusion and / or migration) in battery electrolytes, mass transport in battery electrodes, and reactions on battery electrodes.

Systems and apparatus may carry out analysis of battery physical phenomena, and characterize batteries based on phenomena occurring in particular time and / or frequency domains. These systems may be additionally responsible for charging and / or monitoring a rechargeable battery. Examples of battery physical phenomena include mass transport (e.g., diffusion and / or migration) in battery electrolytes, mass transport in battery electrodes, and reactions on battery electrodes.

Systems, methods, and articles for a wearable and lightweight portable power case are disclosed. The portable power case is comprised of a cylindrical housing, at least two battery elements connected to a printed circuit board (PCB), and at least one separating barrier between the at least two batteries and the PCB. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, a tablet, a portable satellite dish and / or any other power consuming device. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and / or generators.

A method of recovering active materials from a rechargeable battery comprises placing an active material of a rechargeable battery in a cathode chamber comprising a cathode of an electrochemical cell comprising the cathode chamber, an anode chamber comprising an anode, and a membrane separating the cathode chamber from the anode chamber, contacting the active material in the cathode chamber with an electrolyte comprising an acid, ferric ions, and ferrous ions, and dissolving at least one of lithium and cobalt from the active material into the electrolyte. Related apparatuses for recovering metals from active materials of rechargeable batteries are also disclosed.

A lighting structure and a wearable device are provided. The lighting structure is provided, including at least one light source, a battery, and a control module. The at least one light source includes one or any combination of a first light-emitting diode (LED), a first electro-luminescent (EL) wire, a first optical fiber, and an organic light-emitting diode (OLED). The battery includes either a disposable battery or a rechargeable battery. The lighting structure includes the at least one light source and the battery, the at least one light source is configured as including a plurality of light-emitting materials or a single light-emitting material, and power supply modes of the lighting structure are also various, so that optimal lighting effect of the lighting structure is achieved.

Electrically heated motorcycle glove with temperature overload control and uniform heating, characterized in that it comprises a back of the hand region (1), a palm region (2), a lacing (3) and a wrist region (4), wherein the back of the hand region (1) has a back of the hand base surface (11) in the interior of which a heating layer (14) is installed, in the central region of which an adjusting element (15) is installed, wherein the palm region (2) has a palm base surface (21) in the interior of which a heating layer (14) is installed, wherein the wrist region (4) has an extended thermal protection layer (41), above which an operating switch (42) is attached, and in the lower region of the extended thermal protection layer (41) a battery compartment (45) is formed, in the interior of which a rechargeable battery (46) is accommodated;wherein the back of the hand base (11) and the palm base (21) are sewn with sewing thread, the back of the hand base (11) and the extended heat protection layer (41) are sewn with sewing thread, and the palm base (21) and the extended heat protection layer (41) are sewn with sewing thread;

The invention discloses an Arduino-based intelligent Bluetooth portable printer, and relates to the technical field of intelligent Bluetooth portable printers, the Arduino-based intelligent Bluetooth portable printer comprises a main control module and a thermal printing module electrically connected with the output end of the main control module, and the thermal printing module is used for completing printing of texts and images according to instructions of the main control module; the stepping motor driving module is used for controlling the feeding of the printing paper; the paper shortage detection module is used for detecting whether the printer lacks paper or not and sending an interrupt signal to the main control module when the printer lacks paper; the power supply management module is used for providing stable voltage for each module and supporting charge and discharge management of the rechargeable battery; the Bluetooth communication module is used for carrying out wireless connection and data transmission with external terminal equipment; the temperature monitoring module is used for monitoring the temperature of the printing head in real time and triggering a protection mechanism when the temperature is abnormal; and the user interaction module comprises a power switch and a state indicating lamp and is used for user operation and state feedback.

Disclosed are positive electrode active materials for a rechargeable battery, positive electrodes including the positive electrode active materials, and rechargeable lithium batteries including the positive electrode active materials. The positive electrode active material comprises first particles comprising a compound having an olivine structure, second particles comprising a compound having a spinel structure, and third particles comprising a compound having a layered structure. The first particles and the second particles constitute a main active material, and the amount of the main active material is about 80 parts by weight to about 90 parts by weight based on 100 parts by weight of the positive electrode active material.

An electrochemical cell for a rechargeable battery, where the electrochemical cell includes: an anode including lithium (Li); an anode current collector connected to the anode; a cathode; a cathode current collector connected to the cathode; a separator between the anode and the cathode; and a liquid electrolyte including: a solvent, a Li salt dissolved in the solvent, and a polyvalent metal salt dissolved in the solvent.

The invention discloses a rechargeable battery management system based on negative side current limiting, and the system comprises a power circuit which comprises a positive bus, a negative bus, and a battery interface and an equipment interface which are disposed at the two ends of the positive bus and the negative bus; the charging switch and the discharging switch are connected to the negative bus in series; the detection circuit is used for detecting state parameters of the battery and / or the power supply loop; one end of the current limiting circuit is electrically connected with a node between the charging switch and the discharging switch, and the other end of the current limiting circuit is electrically connected with the negative electrode end of the equipment interface; and the controller is electrically connected with the charging switch, the discharging switch, the current limiting module and the detection circuit, and is used for controlling the current limiting module to access or exit from the power supply loop according to the state parameters detected by the detection circuit. According to the battery management system, the current limiting circuit is arranged on the cathode bus side, and the cooperative work of the detection circuit and the controller is combined, so that the accurate dynamic control of the current of a power supply loop is realized, and the limitation of a traditional hardware current limiting scheme is overcome.

Defibrillators, defibrillator architectures, defibrillator interface units and methods of operating defibrillators are described. In one aspect, a modular defibrillator architecture is described. In some embodiments, a base defibrillator unit includes a rechargeable battery and a supplemental battery pack is provided to facilitate recharging the base defibrillator unit's rechargeable battery.

A lithium metal electrode comprises a layer of lithium metal coating a conductive substrate, the layer of lithium metal having no more than five ppm of non-metallic elements by mass. The layer of lithium metal is in turn coated with a lithium ion conductive conformable polymer, thereby providing the negative electrode and the solid electrolyte for a rechargeable lithium metal battery that further includes a positive electrode. Optionally, the positive electrode includes elemental sulfur in a conductive matrix. The conformable polymer coated lithium metal electrode may be manufactured by a process involving electroplating lithium metal through a conformable polymer coated conductive substrate, for which the conformable polymer coated conductive substrate has been prepared by coating the conductive substrate in a solution of the conformable polymer followed by evaporating the solvent. Alternatively, a lithium metal electrode may be coated directly with conformable polymer. Rechargeable lithium batteries according to embodiments of the invention have improved cycle life and combustion resistance compared to lithium metal batteries manufactured by conventional methods.

A power supply system that utilizes a hybrid architecture to enable low cycle-life, high energy density chemistries to be used in rechargeable batteries to extend the range of a traction battery.

The embodiments of the present disclosure provide a multifunctional portable power bank and system. The multifunctional portable power bank includes a controller and an interface assembly connected to the controller. When detecting the access of an electronic device, the interface assembly outputs a driving voltage to the electronic device to drive the electronic device to communicate with the controller. The controller identifies the device type and operating voltage of the electronic device according to the content of the communication, and controls the interface assembly to supply power to the electronic device according to the operating voltage. The above-mentioned multifunctional portable power bank and system can supply power to electronic devices without charging function, are applicable to different types of electronic devices, and save the cost of configuring rechargeable batteries in electronic devices and the purchase cost of users.

A characteristic measuring jig includes a support, an impedance measuring part, and an elevating part configured to elevate the impedance measuring part. The impedance measuring part includes first and second positive electrode contact parts in contact with the positive electrode terminal, first and second negative electrode contact parts in contact with the negative electrode terminal and opposite to the first and second positive electrode contact parts, a first terminal for current connected to the first positive electrode contact part for applying current to the battery cell, a first terminal for voltage connected to the second positive electrode contact part for measuring the voltage of the battery cell, a second terminal for current connected to the first negative electrode contact part for applying current to the battery cell, and a second terminal for voltage connected to the second negative electrode contact part for measuring voltage of the battery cell.

A positive electrode active material for a rechargeable battery, a positive electrode including the positive electrode active material, and a rechargeable lithium battery including the positive electrode active material are provided. The positive electrode active material includes first particles including a compound of Chemical Formula 1 and having a first average particle diameter, and second particles including a compound of Chemical Formula 2 and having a second average particle diameter that is greater than the first average particle diameter. The content (e.g., amount) of the first particles is greater than the content (e.g., amount) of the second particles, and wherein the positive electrode active material includes manganese (Mn) and cobalt (Co), and a ratio of the Mn content (e.g., amount) to the Co content (e.g., amount) in the positive electrode active material is about 7:1 to about 12:1.

This document describes systems and techniques for a self-destructive code device for a rechargeable battery device. For example, a system comprises a rechargeable battery device certified for use with an electronic device. An authentication code is associated with the rechargeable battery device to validate that the rechargeable battery device is authenticated for use with the electronic device. A self-destructive code device is attachable to the rechargeable battery device, the self-destructive code device being configured to present the authentication code and cause the authentication code to become unusable after that rechargeable battery device is deployed for use with the electronic device.

The present invention discloses a chainless electrical bicycle, which is designed to eliminate any type of mechanical means to transfer torque and power from pedals to a traction wheel. The present invention employs a generator to transfer a pedal torque and power with the help of power electronics, control electronics, a battery and control methods to a motor that is used for traction, which is attached to the traction wheel. The generator power is supplemented with the battery power, wherein the battery is rechargeable. The main purpose of the present invention is to emulate a mechanical chain bicycle operation, eliminate shortcomings of a mechanical chain bicycle, and introduce convenience features, such as, but not limited to, continuously variable electronic gear, a gravity compensation, a static and dynamic torque assistance, a ride charge feature, and an electric brake system.

This disclosure relates to systems for hydrogen sulfide mitigation. A battery cell or plurality of battery cells in a battery pack with a solid electrolyte sandwiched between an anode and a cathode are presented. A coating is applied to an interior surface of the sulfur-containing lithium-based rechargeable battery cell. The coating is configured to precipitate hydrogen sulfide gas responsive to moisture ingress in the cathode and exude sulfur dioxide and water external to the sulfur-containing lithium-based rechargeable battery cell.

An electrically operated aircraft deicing vehicle includes a chassis having longitudinally extending beams. The chassis supports a rechargeable battery system including one or more battery modules and a charging unit, front and rear axles, a positioning system for a fluid spraying system and a fluid tank system containing deicing fluid. An electric drive motor is operably coupled to the battery system. The electric drive motor is positioned aft of the front axle and between the longitudinally extending beams of the chassis. The electric drive motor is operable to rotate the front wheels. A hydraulic pump system is powered by the battery system. The hydraulic pump system is operably coupled to the positioning system enabling movement of the fluid spraying system. A heat transfer unit is positioned forward of and is operably coupled to the battery system for thermally conditioning the battery system.