891 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.

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.

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.

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.

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.

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.

A refuse collection vehicle including a chassis; a cab coupled to a front portion of the chassis; an electric vehicle body coupled to the chassis rearward of the cab, the electric vehicle body including one or more electrically powered body systems the electric vehicle body further including at least one rechargeable battery pack configured to provide electric power to the body systems; at least one rechargeable battery pack configured to provide electric power to the body systems; and a computing device. The computing device is configured to perform operations including: calculating a state-of-charge of at least one rechargeable battery pack based on a voltage of the at least one rechargeable battery pack, determining a remaining capacity of the at least one rechargeable battery pack, and restricting certain electric vehicle body functions when the remaining capacity falls below a threshold.

The present disclosure relates to a smoking substitute system and particularly, although not exclusively, to a smoking substitute device. The smoking substitute device is adapted to operate in a smoking operation while receiving power from an external power source. The smoking substitute device in particular comprises a rechargeable battery and a port to receive power for charging the rechargeable battery, wherein the device is adapted to operate while receiving power from the port.

A battery pack includes a housing having a handle, rechargeable battery cells disposed within the housing, and a mating feature protruding away from the housing. 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.

A system and associated processes include a left and right eyewear stem, each including a microphone array comprising a plurality of microphones, and a digital hearing aid that receives content from the microphone array and extracts a desired signal from the content, the digital hearing aid applying frequency-dependent gain to the desired signal to compensate for a user's hearing loss profile. The system further includes processes that receive the desired signal modified with the frequency-dependent gains to acoustically render the desired modified signal proximate to the ear of the user without anything physical being placed within an entrance to an ear canal. A rechargeable battery may be included, along with a front face of the eyewear configured to hold a pair of eyewear lenses, where the front face lacks an electrical conductor connecting the right and left eyewear stem.

Electronic device comprising a rechargeable battery and a voltage- or current-controlled power converter (150) for charging the battery, wherein the power converter (150) is designed to provide electrical power at an output voltage V out to charge the battery at an output of the power converter (150) from electrical power at an input voltage V into be derived at an input of the power converter (150), wherein the power converter (150) comprises an inductor (L), a first sub-converter (110) with several first switches (S1, S2, S3, S4) and a first capacitor cell (C1), and a second sub-converter (120) with several second switches (S5, S6, S7, S8) and a second capacitor cell (C2); wherein the power converter (150) comprises only a single inductor for the first sub-converter and for the second sub-converter, and a controller; wherein the controller is configured to control the several first and the several second switches such that the first and the second sub-converter are operated in a nested manner, and wherein a commutation cycle of the power converter comprises: - a first phase, during which the first capacitor cell and the inductor are connected in series between the input and the output of the power converter (150), and during which the second capacitor cell and the inductor are connected in series in parallel with the output of the power converter (150); - a second phase, during which the first capacitor cell and the inductor are connected in series in parallel with the output of the power converter (150), and during which the second capacitor cell and the inductor are connected in series between the input and the output of the power converter (150); and - a third phase, during which the first and second capacitor cells are decoupled from the output of the power converter (150), during which the charge of the first and second capacitor cells remains unchanged, and during which the inductor is arranged between the input and the output of the power converter (150) or is connected in parallel to the output of the power converter (150), wherein the controller is designed to control the multiple first and second switches in such a way that the power converter is operated in the third phase following the first phase and / or following the second phase within one commutation cycle, and wherein The controller is designed to do the following: - Determining an output current I out at the end of the first phase and / or at the end of the second phase; - Control the several first and second switches during the third phase such that the inductor is then arranged between the input and the output of the power converter (150) when the output current I out at the end of the first phase and / or at the end of the second phase less than a reference current I ref is; and - Control the several first and second switches during the third phase such that the inductor is then connected in parallel to the output of the power converter (150) when the output current I out at the end of the first phase and / or at the end of the second phase greater than the reference current I ref is.

A hand-held battery powered hydraulic tool includes a tool frame having a motor, a working head operatively coupled to the tool frame and selectively actuatable by the motor and a rechargeable battery pack configured to power the motor, the battery pack is removably connected to the tool frame. The battery pack includes one or more cells. The cell includes first and second electrodes and an electrolyte. One or both of the first and second electrodes include a support layer and an electrochemically reactive species on the support layer and in contact with the electrolyte, and wherein the support layer includes a high specific surface area material.

A device for cooling or temperature control for at least one storage module of a rechargeable battery includes multiple coolant channels, through which a coolant flows in the same direction, and at least one of the coolant channels includes a cross-sectional constriction element with a passage cross-section for the coolant.

The present invention is an advanced spider web cleaning brush that enhances the efficiency and convenience of removing spider webs and debris from various surfaces. It comprises a hemispherical brush mounted on an axial rod connected to a rotating collar driven by a motor. The brush features flexible or rigid bristles made of plastic or cloth for effective cleaning. The pole includes telescoping sections and articulating joints for adjustable length and flexibility, enabling access to hard-to-reach areas. A control switch on the pole operates the motor, which can be powered by a rechargeable battery or an electric connection. Additionally, the invention incorporates a liquid supply system for applying cleaning solutions or insecticides during operation. This design offers significant improvements in cleaning efficiency, user convenience, and overall effectiveness in maintaining cleanliness and hygiene in both residential and commercial settings.

To provide a rechargeable battery suitable for personal digital assistants or wearable devices. , novel electronic devices having various external shapes, and secondary shapes suitable for those shapes We provide batteries. [Solution] The film has recesses or protrusions that relieve the stress generated when an external force is applied. The secondary battery is sealed using a film. The film is press-formed, for example, E The embossing process creates a pattern composed of recessed or raised areas.

A device and method for an integrated photovoltaic power module. A module include a photovoltaic cell, a rechargeable battery, an alternating current electrical port, and a microinverter. The microinverter has a first link at a first voltage coupled to the photovoltaic cell, a second link at a second voltage, and a boost converter converting power between the first link and the second link. The module includes a DC-to-AC power converter exchanging electrical power between the second link and the alternating current electrical port at an AC voltage. The module has a battery voltage converter with a battery port electrically connected to the rechargeable battery and a first link port connected to the first link and converting between a voltage of the rechargeable battery and a voltage of the first link.

A machine learning, ML, algorithm is utilised on a mobile device, the mobile device having a processor and a memory, a display and a rechargeable battery. Training data for the ML algorithm is obtaine

A power supplying system for supplying power in an electronic device includes a plurality of rechargeable batteries coupled to a functional block of the electronic device. The rechargeable batteries at least include a first battery and a second batter. In a normal mode, the first battery and the second battery are connected in parallel between a system voltage supplying node and a ground node, and in a charging mode, the first battery and the second battery are connected in serial between a charge input node and the ground node.

The utility model discloses a body temperature monitoring device for newborns, which belongs to the field of newborns and comprises a body temperature patch consisting of a temperature sensor, an analysis board for analyzing and transmitting signals of the temperature sensor and a rechargeable battery for supplying energy. Compared with the prior art, the temperature sensor has the advantages that the anti-skid gasket is arranged between the low-sensitivity silica gel pad and the bottom surface of the lower shell, and the anti-skid gasket is fixed on the lower shell through the sterile rubber band, so that after the low-sensitivity silica gel pad is adhered to the skin of a newborn, the temperature sensor can operate normally, and the temperature sensor can be prevented from being damaged. The low-sensitivity silica gel pad and the anti-skid pad are of an integrated structure before use, the low-sensitivity silica gel pad is attached to the lower shell during use, and therefore the body temperature patch can be kept clean all the time, and the body temperature patch is convenient to use. And the condition that germs on the body temperature patch are adhered to the skin of the newborn is avoided.

A system comprising a hearing device and a charging device is disclosed. The charging device is configured for accommodating the hearing device and is further configured for inductively charging the hearing device. The hearing device comprises a rechargeable battery arranged in connection with a receiver coil. The receiver coil is arranged in a hearing device housing. The receiver coil comprises a magnetic core and a metal winding wound around the magnetic core. The charging device comprises at least one transmitter coil arranged in a charging device housing. The transmitter coil comprising the metal winding is configured for charging the hearing device. When the hearing device is accommodated in the charging device, the transmitter coil is arranged to at least partially enclose the receiver coil.

The present invention provides a secondary battery and a secondary battery module having excellent welding strength between an opening part of an outer can and a lid member.　The secondary battery according to an embodiment has the outer can with a bottom wall, a side wall, and the opening part, an electrode group housed in the outer can, and the lid member fixed to the opening part of the outer can by a welded part. In a cross section taken along the housing direction of the electrode group, the welded part has a first connection part that connects, on the inside of the outer can, the side wall to a bottom face of the lid member. The first connection part is recessed toward the outer can exterior of the welded part.

Apparatus for monitoring the pressure of at least one tyre of a wheel of a vehicle. The apparatus comprising a pressure sensor, a rechargeable battery suitable for supplying power to the pressure sensor, a permanent magnet which is suitable for being fixedly attached to and to rotate substantially solidly with the wheel, and a toothed wheel which is suitable to be fitted around a ball bearing circumferentially laid along an outer surface of the hub of the wheel thereby allowing the wheel rotating relative to the toothed wheel, wherein when the wheel rotates either in forward or backward direction, a magnetic field generated by means of the permanent magnet induces a charging current for the rechargeable battery.

Provided is a drug solution administration device (1) for administering a drug solution filled in a reservoir (18), the drug solution administration device (1) comprising a pump body (10) provided with: a pump for transporting the drug solution filled in the reservoir (18); a rechargeable battery (42) for supplying power for driving the pump; a measurement unit (76) for measuring the remaining charge of the rechargeable battery (42); and a control unit (71). If the remaining charge of the rechargeable battery (42) measured by the measurement unit (76) is greater than a predetermined threshold value, the control unit (71) notifies a user that the rechargeable battery (42) is fully charged.

Some embodiments may include an apparatus operable with a charging station or system comprising a rechargeable battery or other power source; the apparatus including a charging inlet or port and a housing defining a receptacle for a charging cable and its plug. The apparatus includes a retaining mechanism moveable between a disengaged state allowing the plug of the charging cable to be electrically isolated while in the receptacle and an engaged state allowing the plug of the charging cable to be engaged with the charging inlet.

The invention provides a rechargeable battery system. The rechargeable battery system includes: a battery cell having a laminated case encapsulating an electrolyte and an electrode stack; the thermal sensing pad is embedded in the battery unit, the thermal sensing pad comprises a plurality of temperature sensors arranged at different positions in the battery unit, and each temperature sensor is packaged in an electrolyte-resistant material; the integrated circuit board is electrically connected with the thermal sensing pad; the integrated circuit board is configured to: (1) receive a sensing signal from the temperature sensor; (2) converting the sensing signal into digital temperature data; and (3) transmitting the digital temperature data to a battery management system. The battery management system is configured to analyze the digital temperature data to evaluate an internal temperature condition of the battery cell.

The utility model discloses a multifunctional apocynum venetum physical therapy belt which comprises a long-strip-shaped apocynum venetum fabric belt body, the apocynum venetum fabric belt body is woven by apocynum venetum fibers, the interior of the apocynum venetum fabric belt body is hollow to form a cavity, and a graphene material heating layer is arranged at the bottom of the inner side of the cavity. A plurality of ball rows and traditional Chinese medicine bags are arranged on the upper surface of the graphene material heating layer, the rechargeable battery is further arranged in the cavity, connected with the graphene material heating layer through a wire and used for supplying power to the graphene material heating layer, and a switch is arranged on the wire. The far-infrared electric heating massage bed has multiple physical therapy effects of far-infrared, electric heating, traditional Chinese medicine, mechanical massage and the like, and is suitable for patients with cervical spondylosis and lumbar spondylosis and sports injury recovery crowds.

A toy construction element for a modular toy construction system. The toy construction element has a housing. Accommodated within the housing is a processing unit, one or more inductive elements, at least one communications circuit coupled to the one or more inductive elements and configured for contactless near-field communication and for contactless energy transfer via the one or more inductive elements, and a rechargeable battery operable to be charged via the contactless energy transfer via the one or more inductive elements. The toy construction element is further configured to read data from an RFID tag of the modular toy construction system by means of at least one of the inductive elements.