Abstract: A battery and supercapacitor system of a vehicle includes a lithium ion battery (LIB) having first and second electrodes, and a supercapacitor having third and fourth electrodes. A first reference electrode is disposed between the first and second electrodes and is configured to measure a first potential at a location between the first and second electrodes. A second reference electrode is disposed between the third and fourth electrodes and is configured to measure a second potential at a location between the third and fourth electrodes. The first electrode may be connected to the third electrode, and the second electrode may be connected to the fourth electrode. The first and second reference electrodes may not be connected to any of the first, second, third, or fourth electrodes.

Abstract: Battery management systems and methods for use with lithium-ion batteries that employ silicon-based negative electrodes. The battery management systems and methods consider the lithiation/delithiation properties of silicon-based anode materials by considering voltage relaxation behavior. The battery management systems and methods may also be applied to other materials that similarly display an apparent hysteresis in the lithiation/delithiation processes and/or form multiple phases with different electrochemical properties.

Abstract: An energy storage system has one or more energy storage units, each energy storage unit including one or more energy storage modules, and each energy storage module including a plurality of electrochemical energy storage devices connected in series. A DC switching device is provided in series with the or each energy storage unit. The DC switching device includes a semiconductor device and a rectifying unit in parallel with the semiconductor device.

Abstract: A power conversion apparatus includes a housing including an AC inlet and a DC connector. The DC connector is connectable to an inlet for DC power of a vehicle. The AC inlet is connectable to a connector of a cable for AC power. A rectifier circuit is housed in the housing. The rectifier circuit is located between the AC inlet and the DC connector, and configured to convert AC power input from the AC inlet side into DC power and output the DC power to the DC connector side.

Abstract: A charging-and-discharging device and a charging-and-discharging method are provided. The charging-and-discharging device includes a renewable energy converter, an aluminum battery, a controller and a current converter. The renewable energy converter receives a power from a renewable energy power generation system. The controller is coupled to the renewable energy converter and the aluminum battery, wherein the controller configures a charging-and-discharging power of the aluminum battery, according to a power value of the power, to compensate the power so as to generate a compensated power. The current converter is coupled to the controller, wherein the current converter outputs the compensated power to a power grid after performing DC/AC converting.

Abstract: A case for an electronics-enabled eyewear device includes a body defining an opening leading to a storage chamber that is sized for retaining the eyewear device. A cover depends from the body and is movable between an open position, in which the opening is exposed, and a closed position, in which the opening is covered by the cover. A battery is mounted to the body for charging the electronics-enabled eyewear device. A detector is positioned on either the body or the cover for detecting when the cover is in the open position or the closed position. A display displays a charge state of the battery when the cover is in the open position.

Abstract: The disclosure relates to a storage device including: at least one mobile storage box; at least one mobile charger; and at least one connector provided on an outer surface of the mobile charger or the mobile storage box, and the connector is configured to implement a detachable connection between two mobile storage boxes, between two mobile chargers, or between the mobile storage box and the mobile charger.

Abstract: A circuit device has a power converter, which includes power semiconductor switches and a capacitor which is connected to a first and a second intermediate circuit conductor in an electrically conductive manner, and having a capacitor discharge device for the electrical discharging of the capacitor. The capacitor discharge device includes an actuation device, an electrical discharge resistor and a first semiconductor switch having a first and a second load current terminal, and having a control terminal. The first load current terminal of the first semiconductor switch is connected to the first intermediate circuit conductor via the discharge resistor, and the second load current terminal of the first semiconductor switch connects to the second intermediate circuit conductor.

Abstract: Implementations of the disclosure provide a method of fabricating an integrated circuit (IC). The method includes receiving an IC design layout; performing optical proximity correction (OPC) process to the IC design layout to produce a corrected IC design layout; and verifying the corrected IC design layout using a machine learning algorithm. The post OPC verification includes using the machine learning algorithm to identify one or more features of the corrected IC design layout; comparing the one or more identified features to a database comprising a plurality of features; and verifying the corrected IC design layout based on labels in the database associated with the plurality of features.

Abstract: Provided is a flexible circuit board installed on a frame to which a bus bar is coupled. The flexible circuit board may include a central portion having a band shape, first connection circuit portions formed at both ends of the central portion and disposed to face each other, second connection circuit portions extending from the first connection circuit portions in parallel with the central portion, and third connection circuit portions extending from the first connection circuit portions and the second connection circuit portions and connected to the bus bar. An overlapped may be formed when each of the second connection circuit portions is folded toward one side of each of the first connection circuit portions.

Abstract: An artificial-reality headset assembly includes an artificial-reality headset, a battery pack, and a plurality of head straps. One end of each of the head straps is coupled to the artificial-reality headset and the respective opposite end is coupled to the battery pack. The plurality of head straps includes one or more side straps configured to be worn around a user's head. The battery pack is located in proximity to a posterior portion of the user's head when the artificial-reality headset is worn. The position and weight of the battery pack function to counterbalance weight of the artificial-reality headset, creating a symmetric balance along an axis of the user's head and maintaining the position of the battery pack regardless of adjustment to the one or more side straps. In some embodiments, the plurality of head straps includes an overhead strap (e.g., an adjustable ergonomic strap).

Abstract: A technique for non-invasively assessing current drawn by a device under test (DUT) by monitoring a supply voltage to the DUT. Frequency data for the DUT may be generated and used to form a current estimation model. First and second voltages are simultaneously measured using first and second test probes electrically connected to the DUT, while the first test probe is connected at a current source, and while the second test probe is connected at a DUT load that is configured to draw current from the current source. The current drawn by the DUT is then assessed by applying the current estimation model to the measured first and second voltages. In one case, the current drawn by the DUT is estimated without insertion of a circuit component into the DUT or extraction of a circuit conductor from the DUT.

Abstract: A maintenance tool for semiconductor process equipment and components. Sensor data is evaluated by machine learning tools to determine when to schedule maintenance action.

Abstract: Storage battery unit is a storage battery unit which is connected to PCS. Storage battery unit includes: storage battery module that includes a plurality of electric cells; first terminal which is connectable to PCS, and capable of outputting electric power from storage battery module to PCS; and second terminal which is connectable to external device, and capable of outputting electric power from storage battery module to external device without passing through PCS.

Abstract: A system for increasing a temperature of a battery includes an inverter including a plurality of legs each including one pair of switching devices connected in series to each other between opposite ends of the battery and corresponding to a plurality of phases, respectively, a motor including a plurality of coils corresponding to the plurality of phases, respectively, where one end of each of the plurality of coils is connected to a connection node between one pair of switching devices included in a corresponding leg and other ends of the coils are connected to each other, and a controller configured to select two phases of the plurality of phases, and to alternately control an on/off state of switching devices included in two legs in the inverter, corresponding to the two selected phases, at a preset switching frequency to generate alternating current (AC) supplied to the battery.

Abstract: Disclosed herein are system, method, and computer-readable storage device embodiments for implementing automated root-cause analysis for static verification. An embodiment includes a system with memory and processor(s) configured to receive a report comprising violations and debug fields, and accept a selection of a seed debug field from among the plurality of debug fields. Clone violations may be generated by calculating an overlay of a given violation of the violations and a seed debug field, yielding possible values for a subset of debug fields. A clone violation may be created for a combination of the at least two second debug fields, populating a projection matrix, which may be used to map violations and clone violations to corresponding numerical values in the projection matrix and determine a violation cluster based on the mapping having corresponding numerical values and score(s) satisfying a threshold, via ML. Clustering may further be used to generate visualizations.

Abstract: A system and method for rapid lithium ion battery charging are provided. The method for rapid charging a lithium ion battery may include generating a reduced order electrochemical model (ROM) of the lithium ion battery in which a state-of-charge (SOC) model, a side reaction model and a degradation model are embedded. The method may further include calculating an SOC, a side reaction rate, and a lithium plating rate from the ROM. The method may further include generating a charging protocol based on the SOC and a required SOC, and applying the charging protocol to the lithium ion battery.

Abstract: An electronic device is disclosed. The electronic device may include a housing having a first housing structure and a second housing structure, wherein the first and second housing structures are foldable with respect to each other about a hinge axis, a processor disposed in the housing, a first battery disposed in the first housing structure, a second battery disposed in the second housing, a flexible printed circuit board (FPCB) extending from the first housing structure to the second housing structure and crossing the hinge axis, a power management integrated circuit (PMIC), a first charging control circuit disposed in the first housing structure, and a second charging control circuit disposed in the second housing structure. In addition, various embodiments are possible which are understood through the disclosure.

Abstract: A method of executing charge and discharge cycles with a battery cell where the discharge level is as low as zero detectable volts without substantial damage to the cell.

Abstract: A power conversion apparatus includes a housing including an AC inlet and a DC connector. The DC connector is connectable to an inlet for DC power of a vehicle. The AC inlet is connectable to a connector of a cable for AC power. A rectifier circuit is housed in the housing. The rectifier circuit is located between the AC inlet and the DC connector, and configured to convert AC power input from the AC inlet side into DC power and output the DC power to the DC connector side.