G01R31/3646

ENERGY STORAGE SYSTEMS WITH MULTIPLE MATRIX ENERGY FLOW CONTROL AND PROGRAMMABLE CHARGING AND DISCHARGING OPTIONS
20230095987 · 2023-03-30 ·

The present disclosure provides an energy storage system comprising a plurality of input ports connectable to receive electrical power from one or more energy sources, a plurality of output ports connectable to deliver electrical power to one or more loads, a plurality of battery modules, a switching matrix connected between the plurality of battery modules and the plurality of inputs, and between the plurality of battery modules and the plurality of outputs, the switching matrix configured to selectively connect each battery module to any number of the plurality of input ports or any number of the plurality of output ports, each input port to any number of battery modules, and each output port to any number of battery modules, and a main battery management controller operably coupled to the switching matrix for controlling connections between each battery module and any number of the plurality of input ports or any number of the plurality of output ports.

SYSTEMS AND METHODS OF TRACKING OBJECTS

Systems and methods of tracking attributes of objects, including a sensor configured to detect data related to one or more attributes of the object, a tracking device attachable to the object to transmit data detected by the sensor, a software application modifiable by a user, the software application being configured to receive transmitted data from the tracking device, firmware within a chip on the tracking device configured to determine a frequency of data transmissions from the tracking device to the software application based on transmission rules related to characteristics of transmitted data, and a display configured to show the frequency of data transmissions from the tracking device to the software application.

Battery fault detection

A control system, responsive to receiving values of one or more parameters of a battery of a vehicle for a particular time in service, generates via a machine learning determination a level of confidence at which the values of the one or more parameters of the battery match values of one or more parameters of a set of batteries for a same time in service, and responsive to the level exceeding a predefined threshold, causes a mitigation action to be implemented.

POWER SUPPLY SYSTEM

A DC-DC converter is connected to an auxiliary battery using a second wire, and the DC-DC converter steps down a voltage and outputs it to the second wire. Plural loads are connected in parallel with the auxiliary battery to the DC-DC converter using plural third wires. A power supply control ECU varies the output voltage of the DC-DC converter and determines a fault range based on the output voltage of the DC-DC converter and a charging/discharging current of the auxiliary battery at that time.

SYSTEMS, METHODS, AND DEVICES FOR FAILURE DETECTION OF ONE OR MORE ENERGY STORAGE DEVICES

An energy storage device management system can include a management portion for charging/discharging an energy storage device and an ultrasound interrogation portion for passing ultrasound energy through the energy storage device during charge/discharge cycles. A memory stores a stream of capture data instances derived from ultrasound energy exiting the energy storage device and baseline ultrasound data instances corresponding with the energy storage device during normal charging/discharging thereof. A processor can compare each capture data instance with the baseline ultrasound data and detect abnormal operating states of the energy storage device. A warning system can issue a notification when abnormal operating states are detected.

Method for managing a state of charge of a battery left to rest

A method for managing a charge state of a battery left to rest and experiencing losses of capacity over time, includes the following stages repeated at regular time intervals: determining the losses of capacity experienced by the battery during a time interval; determining a target value of the charge state; on the basis of the losses of capacity experienced by the battery, a predetermined minimum charge quantity and a maximum discharge capacity of the battery, the target value of the charge state being strictly less than 100%; and adjusting the charge state of the battery to the target value.

BATTERY RESIDUAL VALUE DISPLAY DEVICE

The battery residual value display device includes: a battery information receiving module; an attenuation function determining module; a second residual value determining module; a graph output module configured to output a graph of which one axis indicates residual values of a battery and another axis indicates information on an elapsed time from a time of manufacture of the battery; and a display unit. The graph output module is configured to output: in the graph, a display indicating a first residual value; a display indicating boundaries between a plurality of residual value ranks obtained by dividing the residual values in accordance with a level of a second residual value; and a display indicating boundaries between a plurality of groups, indicating types of applications in which the battery can be used, obtained by dividing the plurality of residual value ranks in accordance with the level of the second residual value.

POWER DISPLAY METHOD AND APPARATUS, AND ELECTRONIC DEVICE
20230092801 · 2023-03-23 ·

Embodiments of the present disclosure provide a power display method and apparatus, and an electronic device. The method includes: determining, in a case that a target condition is satisfied, a target charging power in each of N pieces of preset duration, to obtain N target charging power, where N is a positive integer; determining a target consumed power in each of the N pieces of preset duration, to obtain N target consumed power; and generating a target charging curve according to a current remaining power, N target charging power, and N target consumed power of the electronic device, where the target condition is that the electronic device is in a charging state, or the electronic device is in a simulated charging state.

SEMICONDUCTOR DEVICE AND METHOD OF MONITORING BATTERY REMAINING CAPACITY
20220349947 · 2022-11-03 ·

A semiconductor device capable of reducing errors in sensing a remaining amount of a battery even when a temperature of the battery varies is provided. The semiconductor device for monitoring a battery state includes a prediction unit that predicts a temperature at a time of discharge termination of the battery according to a temperature of the battery at a predetermined time and outputs a voltage of the battery in consideration of the predicted temperature at the time of the discharge termination, and a remaining amount detecting unit that detects the remaining amount of the battery based on the voltage of the battery outputted by the prediction unit and a current of the battery at a predetermined time.

Battery cap with cut-out sections
11611132 · 2023-03-21 · ·

Various embodiments described herein relate to a battery that includes a battery cap with one or more cut-out sections. The battery cap may be used to at least partially cover a circuit board that is proximate an end of a battery cell. In various examples, the cut-out sections may be configured to accommodate one or more cell tabs of the battery that protrude above the circuit board.