1483results about "Different batteries charging" patented technology

Various patient monitoring systems, devices, and methods are disclosed for monitoring physiological parameters of a patient. A noninvasive blood pressure monitor can include an inflatable cuff, a pressure transducer, an air pump, and a plurality of air paths connecting the inflatable cuff, the pressure transducer, and the air pump. The monitor can also include an acoustic filter provided along at least one of the air paths. In some cases, the monitor can include first and second air pumps, as well as a processor to independently control operating characteristics of the air pumps. The processor can also control the air pumps so as to provide a first inflation rate for the inflatable cuff during a non-measurement portion of an inflation phase and a second, higher inflation rate during a measurement portion of the inflation phase.

An electrocardiogram device configured to transmit at least one signal responsive to a wearer's cardiac electrical activity can include a disposable portion and a reusable portion configured to mechanically and electrically mate with each other. The disposable portion can include a base having at least one mechanical connector portion, a plurality of cables and corresponding external ECG electrodes, and a first plurality of electrical connectors associated with the plurality of cables. The reusable portion can include a cover having at least one mechanical connector portion, a second plurality of electrical connectors configured to electrically connect with the first plurality of electrical connectors of the disposable portion, and an output connector port configured to transmit at least one signal responsive to one or more signals outputted by the external ECG electrodes of the disposable portion.

A smart ring charging system comprises a charging source integrated into an object, the object configured to be held by a user wearing a smart ring. The smart ring may include a ring-shaped housing and a power source disposed within or at the ring-shaped housing and configured to receive energy from the charging source while the user is wearing the smart ring and holding the object. A controller may be disposed within or at the ring-shaped housing, or at the object with the charger and configured to estimate a charging rate at which the power source receives the energy from the charging source. The system may further include one or more indicators configured to indicate the charging rate.

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.

Examples relate to vehicle battery systems comprising a base unit connectable to a vehicle's electrical system, a removable modular replaceable battery, and a secondary battery within the base unit. The base unit is configured to interchangeably use modular replaceable batteries of different chemistries. Control circuits optimize charging and discharging parameters based on battery chemistries. The secondary battery provides power when the modular battery is removed. The system includes thermal management, compatibility with lead-acid charging systems, and mobile base unit functionality. The modular battery can power external devices and can foreseeably store energy up to and beyond 1 kWh. The system operates at various voltages suitable for different vehicle types.

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.

A portable electronic device charger system includes (I) electrical interface electrically couplable with the at least one portable electronic device; (II) electronic control assembly for controlling electrical charging of the portable electronic device accessory with the portable electronic device when the portable electronic device is electrically coupled with the electrical interface; (III) light emitting assembly configured to project amount of light when activated by the electronic control assembly; and (IV) a base assembly, wherein the light emitting assembly is positioned to project at least a majority of the amount of light in a direction onto a horizontally oriented surface when the base of the portable electronic device accessory system is positioned upon the horizontally oriented surface. Other aspects are described in the claims, drawings, and text forming a part of the present disclosure.

A charging system can include a housing. The housing can include a controller. The housing also can include a power source configured to power the controller. The charging system also can include a wireless charger configured to transfer energy to the power source. The wireless charger can include a first indicator. The first indicator can be configured to provide a first non-flashing visual output at a first brightness level and indicative of a first charging status of the power source. The first indicator also can be configured to provide a second non-flashing visual output at a second brightness level indicative of a second charging status of the power source. Other embodiments are disclosed.

A charging system can include a housing. The housing can include an inner surface. The housing also can include an internal power source. The housing further can include a component configured to draw energy from the internal power source. The charging system also can include a removable charging source. The removable charging source can be removably coupled to the housing. The removable charging source can include first and second registration structures at different locations of a perimeter of a portion of the removable charging source. The first and second registration structures can align the inner surface of the housing with the removable charging source. Other embodiments are disclosed.

Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

The battery pack for an electric work machine in one aspect of the present disclosure includes a battery, an attachment port, a current path, at least one fuse, a temperature detector, and a control circuit. The battery includes a positive electrode and a negative electrode. The attachment port is detachably attached to the electric work machine. The current path is coupled to the positive electrode or the negative electrode. The current path delivers a discharge current from the battery to the electric work machine. The at least one fuse is on the current path. The temperature detector outputs a temperature signal indicating a fuse temperature. The control circuit reduces or stops the discharge current based on the fuse temperature having satisfied or satisfying a discharge inhibition requirement.

In one aspect, while a battery pack is charging, a computer-implemented method may include predicting an anode potential of the battery pack, and determining whether the anode potential satisfies a threshold condition. Responsive to determining that the anode potential satisfies the threshold condition, the method may include modifying a charging policy of a battery pack to adjust an anode potential offset, and controlling, based on the charging policy, charging of the battery pack to adjust the anode potential offset.

Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

An apparatus is disclosed for adaptively providing power. In example implementations, an apparatus includes a power adapter coupler, at least one transistor, a first charger, and a second charger. The first charger and the second charger are coupled between the power adapter coupler and the transistor. The apparatus also includes a first switch, a second switch, and a charging controller. The first switch is coupled in series with the first charger between the power adapter coupler and the transistor. The second switch is coupled in series with the second charger between the power adapter coupler and the transistor. The charging controller is coupled to the first switch and the second switch. The charging controller is configured to selectively close the first switch to connect the first charger to the at least one transistor or close the second switch to connect the second charger to the at least one transistor.

A circuit arrangement (10) for controlling an output voltage of the circuit arrangement (10). The circuit arrangement (10) comprises battery cells (121) forming a plurality of series-connectable cell modules (120, 120′). The cell modules (120, 120′) comprise: a first group of cell modules (150) comprising a first number of cell modules (150), Each cell module (120, 120′) of the first group has a first nominal cell module voltage in a range of 30-200 V, and at least one second group of cell modules (150′) comprising a second number of cell modules (150′). Each cell module (120, 120′) of said at least one second group has a second nominal cell module voltage that is less than the first nominal cell module voltage. The circuit arrangement (10) comprises a control unit (20) configured to: measure the output voltage of the circuit arrangement (10), and in order to control the measured output voltage towards the voltage target, control at least one respective electronic module (100, 100′) to adjust a respective contributing number of cell modules (120, 120′) of at least one of the first and second groups. Each cell module (120, 120′) of the respective contributing number of cell modules (120, 120′) is contributing, positively or negatively, to the output voltage of the circuit arrangement (10).

Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

In one aspect, non-invasive methods are described in which combinations of certain battery parameter values are used to identify whether metal plating (e.g., lithium plating) has occurred during charging of a battery. In response to the detection of metal plating and / or conditions associated with metal plating, one or more characteristics of a charge process may be adjusted or adapted to maintain battery parameter values within a specified range. In some cases, after detection of metal plating, a battery charge process may be adjusted or adapted to remove metal plating from a battery's anode by a discharge pulse.

In one aspect, a computer-implemented method may include determining whether an anode potential offset of a battery pack has reached an upper threshold of a target range, responsive to determining that the anode potential offset of the battery pack has reached the upper threshold of the target range, receiving tear-down data associated with the battery pack, training, based on the tear-down data associated with the battery pack, cloud prediction models that are trained to predict a likelihood of occurrence of lithium plating associated with battery packs, and transmitting, to edge processors of fleet vehicles, parameters associated with the trained prediction models to cause the edge processors to train edge prediction models using the edge processors, wherein the edge processors modify a battery charging policy based on a prediction from the edge prediction models.

A flashlight with a holster charging system is disclosed. A charging holster may provide powered storage for the flashlight and provide extra power for use in other devices such as headlamps. The holster may attach, via a clip, onto the belt, pocket, or bag of a user so they may carry the flashlight while the flashlight recharges. A user may be able to use the flashlight while charging the flashlight in the holster. The holster may have an aperture for an attached flashlight to shine through while electrically coupled to the holster. Charging contacts on the charging holster may be configured to contact charging rings on the flashlight to couple the flashlight to charging circuitry. Power and mode buttons at the rear of the flashlight may enable the flashlight to be powered and operational mode changed on while holstered no matter the orientation the flashlight in the holster.

Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

A method for predicting risk exposure includes receiving a particular set of data acquired via a sensor. The method for predicting risk exposure further can include analyzing, via a machine learning (ML) model, the particular set of data. The analyzing can include determining that the particular set of data represents a particular light exposure pattern corresponding to a light exposure pattern correlated with a risk pattern. The ML model can be trained with a first set of data and a second set of data to identify a correlation between the light exposure pattern and the risk pattern. The method for predicting risk exposure also can include predicting a risk exposure for a user based on the particular set of data. The method for predicting risk exposure also can include providing a notice indicating the risk exposure.

This application discloses a charging method and an apparatus. An example apparatus (e.g., an electronic device) includes at least one processor, a wireless coil, and a battery. The at least one processor is configured to determine that a charging port is connected to a charging port. The at least one processor is further configured to, when a temperature of the battery is lower than a first temperature value, control the charging power supply to supply power to the wireless coil to cause the wireless coil to generate heat that increases the temperature of the battery. The at least one processor is further configured to, when the temperature of the battery is higher than a second temperature value, control the charging power supply to charge the battery, wherein the second temperature value is greater than or equal to the first temperature value.

Systems and methods to charge a battery using a switch modulator and a shaping circuit comprising at least one switching element. The shaping circuit may be configured to receive an input charge supply from a power supply and the switch modulator may be operably coupled with the at least one switching element. Further, the switch modulator may actuate the at least one switching element at a selected duty cycle such that the shaping circuit produces a shaped charge signal, the selected duty cycle configured to vary within a switch modulator sample period.

Certain aspects of the present disclosure are directed towards techniques and apparatus for battery charging. An example method generally includes: performing at least one first charging operation for each of a first battery and a second battery; detecting a first voltage associated with the first battery and a second voltage associated with the second battery; comparing the first voltage and the second voltage to detect whether the first voltage and the second voltage are balanced; and performing a second charging operation for one of the first battery and the second battery to balance the first voltage and the second voltage based on the comparison.

Data are optically transmitted from a power tool device, such as a power tool, a power tool battery charger, power tool pack adapter, and / or a battery pack. The data are stored in a memory of the power tool device and are encoded as optical signal data to provide an encoded representation of the stored data. An optical transmitter (e.g., a light emitting diode or a flat panel display) transmits the optical signal data, which are detected or otherwise received by an optical receiver device, which may include a camera or other photodetector. The optical signal data may include light signals generated by an LED, where the data are encoded using an encoding scheme that modulates one or more characteristics (e.g., amplitude, wavelength, color) of the generated light signals. The optical signal data may also include images (e.g., barcodes, QR codes) or characters.

A battery system having a battery pack with a negative pole, a positive pole and a battery cell, a coupling network having a first negative terminal and a first positive terminal, a pack voltage divider, and a coupling voltage divider. The first positive terminal is connectable to the positive pole via a switch. Optionally, the first negative terminal is connectable to the negative pole via a switch. The pack voltage divider includes a two resistors connected between the positive pole and a first reference point. A negative pack measurement resistor and a negative sub-pack measurement resistor are dis-connectable from the negative pole or the first reference point via a switch. A positive coupling measurement resistor and a positive sub-coupling measurement resistor are connected between the first positive terminal and the first reference point. Two resistors are connected between the first negative terminal and the first reference point.

An apparatus includes a load circuit, a power source, a power storage device, a charging circuit, and a temperature detection unit, a control unit that controls power supply to the load circuit according to a state of the apparatus. The control unit, in a first state, performs control so that power is supplied from the power source to the load circuit without power being supplied from the power storage device to the load circuit and, in a second state, performs control so that power is supplied from the power source and the power storage device to the load circuit, and the control unit sets a charging complete voltage of the power storage device via the charging circuit depending on a temperature detected by the temperature detection unit.

The utility model discloses a high-voltage box and an energy storage system, the high-voltage box comprises a box body, a battery management system and an electrical module are detachably installed in the box body, the battery management system and the electrical module are adjacently arranged and connected, the electrical module comprises a substrate and a plurality of electrical elements, the substrate is provided with a plurality of installation areas, and the installation areas are arranged on the substrate. Each installation area is provided with an electrical element, the substrate is further provided with an adapter, the adapter is provided with a plurality of interfaces, and the interfaces are used for being connected with the electrical elements and an external battery system. According to the utility model, the electrical elements are integrated on the substrate to form a whole body and are detachably installed in the box body, and rapid connection with other parts is realized through the adapter, so that the electrical module can be rapidly installed and disassembled and is convenient to maintain, the electrical elements can be divided in the installation area, the electrical elements are reasonably arranged, and the installation efficiency is improved. And wiring is also facilitated.