Patent classifications
H02J7/005
BATTERY MANAGEMENT APPARATUS AND METHOD
A battery management apparatus includes a battery information obtaining unit for obtaining a plurality of battery information for a plurality of battery cells; and a control unit for calculating a whisker for the plurality of battery information based on a criterion distribution profile for a population of the plurality of battery cells, generating a box plot for the plurality of battery cells based on the plurality of battery information and the calculated whisker, and determining a state of each of the plurality of battery cells according to whether each of the plurality of battery information is included in a threshold region corresponding to the generated box plot.
STATE OF HEALTH AND STATE OF CHARGE BALANCING OF INTELLIGENT BATTERY SYSTEM
One or more embodiments herein can facilitate charging and/or discharging of one or more units (e.g., battery cells and/or multi-cell battery clusters of battery cells) based at least in part on state of charge and/or state of health monitoring at one or more of the cell-level and/or cluster-level. An exemplary method can comprise monitoring, by a system operatively coupled to a processor, cell states of cells of a multi-cell battery cluster, and selectively determining, by the system, based on the cell states, a time-based order for electrically connecting the cells to an external apparatus for current flow between the external apparatus and the cluster. The cell states can be provided as a function of a cluster state of the cluster. The cell states can be provided as one or more of states of health of the cells or states of charge of the cells determined from the monitoring.
Charging management system and method for batteries
A battery charging management system includes a plurality of sockets combinable with a plurality of devices onto which a plurality of battery packs are mounted; a binding controller configured to receive state information of the plurality of battery packs from the plurality of devices, determine a priority of the plurality of devices to be allocated to the plurality of sockets according to a charging strategy selected based on the state information, and allocate one of the plurality of sockets to one of the plurality of devices or releasing the allocating; a charging controller configured to control charging of the plurality of battery packs of the plurality of devices electrically connected to a charging circuit based on the state information received by the binding controller; and a distributor configured to switch an electrical connection between the charging circuit and the plurality of battery packs.
ELECTRIFIED VEHICLE AND POWER SOURCE MANAGEMENT METHOD FOR THE SAME
An electrified vehicle may be additionally equipped with a swappable battery, and a power source management method for the same. The electrified vehicle includes a driving power unit including a motor and an inverter, a main battery unit electrically connected to the driving power unit, the main battery unit including a first battery and a first BMS for controlling the first battery, the main battery unit being fixedly disposed in the electrified vehicle, and a DC converter electrically connected to the main battery unit, the DC converter including a connector, in which, when a swappable battery unit including a second battery and a second BMS for controlling the second battery may be connected to the connector, the first BMS acquires second battery information output by the second BMS.
APPARATUS AND METHOD FOR ESTIMATING A STATE OF A BATTERY
An apparatus for estimating a state of a battery includes a memory configured to store a program of a neural network including a plurality of pre-trained predictive models and an adaptive hidden layer; and includes at least one processor configured to execute the program. The program includes an instruction for receiving battery data of a target battery, inputting the battery data to the adaptive hidden layer, selecting one predictive model from the plurality of pre-trained predictive models through the adaptive hidden layer, inputting the battery data to the selected predictive model, and outputting prediction data for a remaining useful life of the target battery through the selected predictive model.
INFORMATION PROVIDING SYSTEM, SERVER, AND INFORMATION PROVIDING METHOD
An information providing system in which a plurality of information collection devices, a server, and a plurality of information reception devices are connected by a network, each of the plurality of information collection devices comprises: a rechargeable battery configured to supply power to drive the information collection device; a monitoring circuit configured to monitor a state of the battery; a sensor configured to detect a state of an environment where the plurality of information collection devices are installed; a memory configured to store first data indicating a history of the state of the battery monitored by the monitoring circuit and second data indicating a state of the environment detected by the sensor; and a transmission unit configured to transmit the first data and the second data stored in the memory via the network based on a request from the server.
OPERATIONAL PLANNING FOR BATTERY-BASED ENERGY STORAGE SYSTEMS CONSIDERING BATTERY AGING
Operational planning of energy storage systems using batteries, e.g., Lithium-Ion batteries, is disclosed. A method of operating at least one server node includes: obtaining one or more load profiles associated with one or more interfacing modes of a battery energy storage system with an electrical utility distribution system, and predicting one or more degradations of the battery energy storage system, the one or more degradations being associated with operating the battery energy storage system in the one or more interfacing modes, the one or more degradations being predicted using an aging model of batteries of the battery energy storage system, the aging model being based on the one or more load profiles.
BATTERY MODULE TESTING
Testing of a battery module can be conducted using monitoring electronics attached to the battery module. Stimulus can be applied to the battery module and removed. After removal of the stimulus, the monitoring electronics can collect signals from the monitoring electronics reflecting parameters of the battery module as it relaxes back to a non-stimulated state. The stimulus can be provided by test equipment or by components of a system in which the battery module, having attached monitoring electronics, is implemented. The monitoring electronics attached to the battery module can provide autonomous recording of signals associated with the battery module that can provide data regarding the status of the battery module or one or more batteries contained in the battery module.
Communication device, information processing system, information processing method, and computer program
A communication device is provided with: a first communication part that is connected to an energy storage device or a power supply related apparatus and communicates with the energy storage device or the power supply related apparatus; an acquisition part that acquires information including a state of the energy storage device or the power supply related apparatus on the basis of a set timing; a change acceptance part that accepts a change in the timing and changes the timing; and a transmission part that transmits, at a timing after the change, the information acquired by the acquisition part to a first apparatus by using a second communication part communicatively connected to the first apparatus.
ESTIMATION DEVICE, ESTIMATION METHOD, AND COMPUTER PROGRAM
An estimation device includes: a derivation unit (31) configured to derive a derivation history based on a current and a voltage of a lead-acid battery and a temperature of the lead-acid battery; a first specifying unit 31 configured to specify a specific gravity of an electrolyte solution; a second specifying unit (31) configured to specify at least one degree out of: a first degree of softening of a positive electrode material; a second degree of corrosion of a positive electrode grid; a third degree of sulfation of a negative electrode; and a fourth degree of shrinkage of a negative electrode material based on the specified specific gravity, the derived derivation history, and at least one relationship selected from the group consisting of: a first relationship between the specific gravity and a first history, and the first degree; a second relationship between the specific gravity and a second history; and the second degree; a third relationship between the specific gravity and a third history; and the third degree; and a fourth relationship between a fourth history and the fourth degree; and an estimation unit (31) configured to estimate a degree of deterioration of the lead-acid battery based on the specified at least one degree.