A secondary battery system and a secondary battery control method, wherein the system and the method include a plurality of unit cells connected in series, and a recovery charging controller that performs recovery charging of charging the plurality of unit cells while generating a micro short-circuit in at least one of the plurality of unit cells by charging the plurality of unit cells at a predetermined recovery charging current value which is higher than a upper limit current value during normal charging, wherein the unit cells are all-solid-state lithium secondary battery unit cells.

An electrochemical battery system includes at least one electrochemical cell, a thermal control system operably connected to the at least one electrochemical cell, a memory in which a physics-based model of the at least one electrochemical cell is stored and in which program instructions are stored, and a controller operably connected to the at least one electrochemical cell, the thermal control system and the memory. The controller is configured to execute the program instructions to identify a first requested operation, obtain a first generated target temperature which is based on the physics-based model and the identified first requested operation, and control the thermal control system based upon the obtained first target temperature while controlling the at least one electrochemical cell based upon the identified first requested operation.

An estimation device 4 is provided with: an acquisition unit 41 for acquiring time-series data about an SOC of a power storage element; a specification unit 41 for specifying a fluctuation range of the SOC in the time-series data and an SOC representative value representing an SOC region in the fluctuation range; and an estimation unit 41 for estimating a shape change of the power storage element on the basis of the specified fluctuation range and the specified representative value.

A deterioration determination device for a storage battery system includes: a current sensor configured to, at a time of stopping charging or stopping discharging of storage batteries, measure circulation current generated among storage battery arrays in each of storage battery array blocks; a measurement control unit configured to collect a value of the circulation current measured by the current sensor; and a storage battery state determining unit configured to, from the collected value of the circulation current, determine whether or not there is deterioration of the storage batteries in the storage battery array blocks.

A plurality of storage batteries are divided into a plurality of storage battery blocks. A useful life of each of the storage batteries is shorter than the project life. Total capacity of the plurality of storage batteries is equal to or greater than the product of capacity required for a project and a ratio of the project life to the useful life. The project life is divided into a plurality of periods. For each of the plurality of periods, a rest storage battery block is selected from the plurality of storage battery blocks in rotation, the rest storage battery block is rested, and an operational storage battery block is operated. The sum of actual operating time of each of the storage battery blocks and equivalent operating time of each of the storage battery blocks is prevented from exceeding the useful life during the project life.

A battery capacity variable control apparatus includes a sensor unit configured to measure an electrical characteristic value of a battery to output real SOC information, an input unit electrically connected to the sensor unit and configured to set a capacity limit rate of the battery based on the real SOC information output by the sensor unit, and a control unit electrically connected to the input unit and configured to selectively vary a use region where the battery is charged or discharged according to the capacity limit rate set by the input unit to output virtual setting SOC information, and to set a usage of the battery according to the virtual setting SOC information.

A method for acquiring information of a battery cell (11) includes a step (S101) of acquiring information pertaining to performance recovery accompanying the suspension of charging/discharging of the battery cell (11). Control pertaining to the battery cell (11) and estimation of a state of the battery cell (11) can be appropriately performed according to a type of battery cell (11).

The present application discloses a charging method, an apparatus, a device, a medium, a battery management system and a charging pile. The method includes: acquiring a charging demand parameter set by a user; calculating, according to the charging demand parameter and acquired actual operation state information of a battery, a target charging scheme for charging the battery; transmitting, according to the target charging scheme, a first charging request to a charging device, so that the charging device charges the battery according to the first charging request. According to the charging method, the apparatus, the device, medium, the battery management system and the charging pile provided in the embodiments of the present application, personalized smart charging can be achieved for different users.

In a storage system including a plurality of battery units, the charge/discharge amounts of the battery units are determined by predetermined computation using the state of charge (SOC). The predetermined computation includes allocating a larger discharge amount to a battery unit higher in SOC, out of the battery units, in the discharge mode, and allocating a larger charge amount to a battery unit lower in SOC, out of the battery units, in the charge mode.

A control method of an electronic ink display apparatus, which is applied to a terminal equipment. The method includes: charging the electronic ink display device; outputting charging state prompt information, and after the terminal device establishes a wireless communication connection with the electronic ink display device, receiving a data update instruction and sending target update content to the electronic ink display device. Outputting the charging state prompt information includes: outputting charging completion prompt information in response to a completion of the charging of the electronic ink display device.