According to an embodiment, a storage battery management device includes: a memory configured to store therein storage battery characteristics of a storage battery unit as a storage battery characteristics table; and one or more processors coupled to the memory. The one or more processors are configured to: acquire the storage battery characteristics based on storage battery information output from the storage battery unit; update the storage battery characteristics table based on the acquired storage battery characteristics; and estimate SOC of the storage battery unit by referring to the updated storage battery characteristics table.

A capacity judgment module and a capacity calibration method thereof are disclosed. The capacity judgment module is used to judge a capacity of a battery installed in an electronic device. The capacity judgment module includes a database, a voltage detection module and a processing module. The database is used to store the voltage-capacity comparison curve. The voltage detection module is used to obtain a voltage value interval between a maximum use voltage value and a minimum use voltage value of the electronic device so as to divide the voltage value interval into a plurality of levels. The processing module is used to query the voltage-capacity comparison curve to actually modify the plurality of levels of the voltage value interval of the electronic device and the battery capacity ratio according to the voltage-capacity comparison curve, thereby creating a new voltage-capacity comparison table,

A capacity judgment module and a capacity calibration method thereof are disclosed. The capacity judgment module is used to judge a capacity of a battery installed in an electronic device. The capacity judgment module includes a database, a voltage detection module and a processing module. The database is used to store the voltage-capacity comparison curve. The voltage detection module is used to obtain a voltage value interval between a maximum use voltage value and a minimum use voltage value of the electronic device so as to divide the voltage value interval into a plurality of levels. The processing module is used to query the voltage-capacity comparison curve to actually modify the plurality of levels of the voltage value interval of the electronic device and the battery capacity ratio according to the voltage-capacity comparison curve, thereby creating a new voltage-capacity comparison table,

A system for mitigating thermal runaway in a battery-powered electric vehicle (EV). The system includes a gas sensor configured to measure a level of at least one type of gas in a vicinity of a battery of the EV, a thermal event detector configured to determine, based on the measured level of the at least one type of gas, that the battery is experiencing out-gassing, and a communications interface configured to transmit an alert to a fleet management system regarding the out-gassing of the battery. The fleet management system alters an assignment of the EV in response to the out-gassing of the battery.

A system for mitigating thermal runaway in a battery-powered electric vehicle (EV). The system includes a gas sensor configured to measure a level of at least one type of gas in a vicinity of a battery of the EV, a thermal event detector configured to determine, based on the measured level of the at least one type of gas, that the battery is experiencing out-gassing, and a communications interface configured to transmit an alert to a fleet management system regarding the out-gassing of the battery. The fleet management system alters an assignment of the EV in response to the out-gassing of the battery.

Provided are a battery state measuring method and battery management system, which predict a time point when charging capacity of a battery is to be relatively abruptly reduced. The battery state measuring method includes: monitoring a change of at least one precursor related to the charging capacity of the battery with respect to a number of charging cycles undergone by the battery; and predicting that an abrupt reduction in the charging capacity of the battery is imminent when the change of the at least one precursor follows at least one pre-configured pattern of the battery that has undergone a critical number of charging cycles.

Provided are a battery state measuring method and battery management system, which predict a time point when charging capacity of a battery is to be relatively abruptly reduced. The battery state measuring method includes: monitoring a change of at least one precursor related to the charging capacity of the battery with respect to a number of charging cycles undergone by the battery; and predicting that an abrupt reduction in the charging capacity of the battery is imminent when the change of the at least one precursor follows at least one pre-configured pattern of the battery that has undergone a critical number of charging cycles.

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.

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.

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.