Abstract: In order to detect a cell voltage with high accuracy during an equalizing process among a plurality of cells, during execution of the equalizing process among the plurality of cells, controller measures a value of a current flowing to a negative electrode of an nth cell through an nth discharge resistor, calculates an (n?1)th voltage drop value due to a wiring resistance value of an (n?1)th wiring and an nth voltage drop value due to a wiring resistance value of an nth wiring based on the measured current value, and the wiring resistance value of the (n?1)th wiring connected to a positive electrode of the nth cell and a wiring resistance value of the nth wiring connected to the negative electrode of the nth cell, the wiring resistance value of the (n?1)th wiring and the wiring resistance value of the nth wiring being measured in advance, and, based on the (n?1)th voltage drop value and the nth voltage drop value, corrects the voltage value of the nth cell, a voltage value of an (n?1)th cell, and a voltage val
Abstract: An electronic device for suppressing battery swelling includes a first battery cell, a first conductive label, a second conductive label, a third conductive label, and a BMU (Battery Management Unit). The first battery cell includes a first nonconductive housing. The first conductive label, the second conductive label, and the third conductive label are disposed on the first nonconductive housing. The BMU outputs a charging voltage to the first battery cell. The BMU determines the voltage level of the charging voltage by detecting the states of the first conductive label, the second conductive label, and the third conductive label.
Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.
Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.
Abstract: 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.
Type:
Grant
Filed:
December 18, 2018
Date of Patent:
November 1, 2022
Assignee:
COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Abstract: A battery charging method and corresponding apparatus include charging a battery based on an initial charging operation, and verifying whether a change event, with respect to a charging operation, occurs based on the charging of the battery. The battery charging method and corresponding apparatus also include changing the charging operation to an adjusted charging operation in response to verifying that the change event, with respect to the charging operation, occurs. The change event includes a physical quantity event in which a physical quantity of the battery sensed during a charging rest time of the initial charging operation is greater than or equal to a threshold physical quantity.
Abstract: A control device includes a first acquisition unit configured to acquire geographical position information of a battery registered as being mounted in an electric power supply target, a second acquisition unit configured to acquire geographical position information of the electric power supply target having the battery mounted therein, a determination unit configured to determine whether a change has occurred in a relative relationship between the geographical position information of the battery acquired by the first acquisition unit and the geographical position information of the electric power supply target acquired by the second acquisition unit, and a coping unit configured to stop supply of power to the electric power supply target having the battery mounted therein in a case where it is determined by the determination unit that a change has occurred in the relative relationship.
Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.
Abstract: A management apparatus that controls charging and discharging between an electric power system and a secondary battery which is mounted on a vehicle and which stores electric power used for traveling of the vehicle includes: an acquisition part that acquires at least one of registration information indicating a use acceptance of the electric power and information indicating a use application of the electric power; and a management part that controls a supply of the electric power from the secondary battery to the electric power system in accordance with the presence or absence of the registration information or the use application of the electric power.
Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.
Abstract: Embodiments of the present disclosure disclose a charging method, a terminal and a computer storage medium. The charging method includes: detecting a battery power and a power consumption parameter before turning on a fast charging function; determining an estimated charging time according to the battery power and the power consumption parameter; determining whether an abnormal charging occurs according to the estimated charging time after turning on the fast charging function; and turning off the fast charging function when determining that the abnormal charging occurs.
Type:
Grant
Filed:
October 12, 2018
Date of Patent:
October 25, 2022
Assignee:
GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
Abstract: A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors.
Abstract: A power management system for a vehicle includes a first battery monitoring module configured to monitor a first state of charge (SOC) of a first battery of the vehicle. The first battery has a first nominal voltage. A second battery monitoring module is configured to monitor a second SOC of a second battery of the vehicle. The second battery has a second nominal voltage that is greater than the first nominal voltage. A control module is configured to selectively apply power to a heater of the second battery based on an estimated value of the second SOC of the second battery at a next startup of an engine.
Abstract: A predictive energy monitoring system which, during discharge, accounts for changes in available energy remaining as a result of changes in battery environmental temperature, changes in energy used by systems which cycle on and off, and which provides a user “What-if” capability to predict energy availability time remaining by changing systems in use. The present invention also covers the reporting of re-charge completion against multiple re-charge goals. The battery monitoring system includes a non-volatile memory, sensors, a processor that receives inputs from the sensors and receives inputs from a user through a touch screen graphic user interface, the processor then makes calculations responsive to sensor inputs and user inputs, and supplies data to a display for presenting a plurality of screen images representing the results of the calculations.
Abstract: The invention relates to a battery (1) comprising the following components: a control means (2), at least one battery cell (4, 5, 6), and at least one additional electrical component, wherein the battery (1) has an interface (18) in order to provide a data-transferring connection to an external maintenance module (12), wherein at least one component has an identification feature and is designed to be exchangeable, wherein technical data can be assigned to the component by means of the identification feature.
Abstract: An electric storage system to which a first electric storage device and a second electric storage device connected in parallel can be mounted decides a rated voltage of the first electric storage device in an electric storage system having at least one of (A) a discharge standby stage and (B) a charge standby stage. It decides a large and small relationship between the rated voltage of the electric storage device for which at least one of (i) an accumulated time, (ii) an accumulated power amount, and (iii) an accumulated number is decided to be made higher among the first electric storage device and the second electric storage device, and the rated voltage of the other electric storage device. It decides the rated voltage of the first electric storage device such that the large and small relationship decided in the large and small relationship deciding step is achieved.
Abstract: A means for detecting the generation of electrodeposition of metal lithium in an all-solid-state lithium-ion secondary battery in a real-time manner is developed even when charging the battery without depending on the specifications of the battery. A system measures alternate current impedance of an all-solid-state lithium-ion secondary battery when charging the battery, and judges whether electrodeposition of metal lithium has generated in a solid-electrolyte layer forming the battery based on the relationship between the amplitude of the response signal at discharge direction of the impedance and the amplitude of the response signal at charge direction of the impedance.
Abstract: The disclosure relates to a battery management apparatus, a vehicle having the same, and a method of controlling the vehicle. A method of controlling the vehicle having a motor, an engine, and a battery includes detecting respective voltage values of the plurality of cells provided in the battery; identifying a maximum voltage value and a minimum voltage value among the voltage values of the plurality of cells; obtaining a voltage deviation value between the identified maximum voltage value and the minimum voltage value; obtaining a deterioration rate of the battery; obtaining a power limit value of the battery based on at least one of the voltage deviation value or the deterioration rate of the battery; obtaining a final power limit value based on the obtained power limit value and a preset weight; and controlling a discharge of the battery based on the obtained final power limit value.
Type:
Grant
Filed:
November 9, 2020
Date of Patent:
September 27, 2022
Assignees:
Hyundai Motor Company, Kia Motors Corporation
Abstract: The present disclosure relates to methods and associated systems for operating a battery exchange station. The present technology (1) receives battery information from a memory attached to each of a plurality of exchangeable batteries positioned in the battery exchange station; (2) receives a battery demand prediction associated with the battery exchange station; and (3) identifying one or more uninterruptible-power-supply (UPS) batteries from the plurality of exchangeable batteries at least partially based in part on the battery demand prediction and individual state of charges (SoCs) of the plurality of exchangeable batteries.
Abstract: According to the present invention, a state management unit measures or estimates the AC resistance value of a secondary cell at a plurality of time points, estimates a predicted transition of the AC resistance value of the secondary cell on the basis of the AC resistance value at the plurality of time points, and estimates a remaining use period until the AC resistance value of the secondary cell reaches a resistance threshold value corresponding to a time point at which usage of the secondary cell ends. When the remaining use period of the secondary cell becomes shorter than a prescribed period, an operation management unit changes the usage manner of the secondary cell method to a usage manner that has a smaller load on the secondary cell, or stops the usage of the secondary cell.