An information processing method, by a computer, includes: instructing a charger for charging a battery to: repeat a charge control including a set of charging having a first interval and charging suspension having a second interval; and finish the charge control when a charge amount reaches a predetermined amount; and acquiring operational data indicating a voltage and a charge capacity of the battery at an end time of each second interval of the charge control.

An automobile charger, a charging method and a medium are provided. The charger includes a MCU, a switching power supply circuit, a first and second charging circuits, a battery voltage detection circuit, a charging current detection circuit, a constant-current driving control circuit, a constant-voltage driving control circuit and a switch driving control circuit. The charger is provided with the first and second charging circuits, which can realize three charging modes on the battery. The real-time voltage signal and the real-time current signal are collected with the battery voltage detection circuit and the charging current detection circuit, and through feedback of the real-time voltage signal and the real-time current signal, the MCU is configured to output PWM signals with different duty ratios to the constant-current driving control circuit and the constant-voltage driving control circuit, so as to realize output of different voltage values and current values of the switching power supply.

This application discloses a charging method and apparatus, an electronic device, and a computer-readable storage medium, where the method includes: charging a secondary battery; and under a condition that a battery voltage of the secondary battery reaches a first cutoff voltage, performing constant-voltage charging on the secondary battery, and terminating the constant-voltage charging when a charging current of the secondary current reaches a target current; where the target current is greater than a first current, and the first current refers to a current at which a capacity of the secondary battery reaches a fully charged state during constant-voltage charging. A positive electrode active material of the secondary battery includes LiMPO.sub.4, where M includes Mn and Fe elements.

A modular battery system includes a battery bus, multiple battery packs connectable in parallel to the battery bus to provide a system current, and a battery system controller. A battery pack includes multiple battery cells and provides a battery pack current to the battery bus. The battery system controller is configured to determine whether individual battery packs are online or offline, receive individual battery pack current limits of online battery packs and set a system level current limit of the battery system, determine system current and individual battery pack currents, compare the individual battery pack currents to their respective individual battery pack level current limit, update the system current limit according to the comparing, and scale a current demand for the individual battery pack currents using proportions of the measured system current and the updated system current limit.

A protection circuit of battery and an operating method thereof are disclosed. The protection circuit of battery has a current sensing pin coupled to a path node. The path node, a battery cell and a protection switch are coupled in series. The protection circuit includes a disconnection detection circuit and a first over-current protection circuit. The disconnection detection circuit is coupled to the current sensing pin and provides a first detection signal. The first over-current protection circuit is coupled to the disconnection detection circuit and generates a first protection signal according to the first detection signal to turn off the protection switch. When the current sensing pin is disconnected from the path node, the first detection signal causes the first over-current protection circuit to generate the first protection signal.

An adaptive charging thermal optimization system for an electrified vehicle includes a set of thermal management components each configured to thermally condition a high voltage battery system of the electrified vehicle and a control system configured to detect whether the electrified vehicle is plugged into electrified vehicle supply equipment (EVSE) and, in response to detecting that the electrified vehicle is plugged into the EVSE, determine a set of charging parameters and limits for the high voltage battery system and the EVSE, determine a type or mode of the EVSE, determine a temperature setpoint for the high voltage battery system based on the charging parameters and limits for the high voltage battery system and the EVSE and the type or mode of the EVSE, and control the set of thermal management components based on the determined temperature setpoint and a measured temperature of the high voltage battery system.

This application provides a battery and a charging method thereof, a battery management system, and an electric device, capable of improving charging performance of the battery. The battery includes at least one battery cell and a battery management system. A positive electrode active material of the battery cell includes LiMPO.sub.4, and M includes element Mn and element Fe. The battery management system is configured to: control the battery to perform a first constant current charging until a voltage of the battery reaches a first cutoff voltage; control the battery to perform a constant voltage charging; and control the battery to perform a second constant current charging until the voltage of the battery reaches a second cutoff voltage, where the second cutoff voltage is greater than the first cutoff voltage.

An acquisition unit of a charging control system acquires battery data including at least one of a current flowing through a battery and a temperature of the battery when the battery is charged. A detector thereof detects an abnormal phenomenon of the battery based on at least one of a behavior of the current and a behavior of the temperature when the battery is charged. A charging current changer thereof changes a current rate when the battery is charged next time to a value obtained by multiplying (0<<1) by the current rate when the abnormal phenomenon of the battery is detected.

A battery management system includes a sensing unit to generate a sensing signal indicating a battery voltage and a battery current of a battery, a memory unit to store a charge map recording first to n.sup.th reference currents, first to n.sup.th reference voltage ranges, first to n.sup.th reference states of charge (SOCs) and first to n.sup.th reference voltage curves for multi-stage constant-current charging, and a control unit to command constant-current charging to a charging circuit using a k.sup.th reference current corresponding to a k.sup.th reference voltage range to which the battery voltage belongs, and update the charge map by comparing a k.sup.th measured voltage curve indicating a correlation between the battery voltage and the SOC of the battery over a charging period of the constant-current charging with a k.sup.th reference voltage curve in response to the battery voltage having reached an upper limit of the k.sup.th reference voltage range.

A method for charging an energy store of a field device having at least one charging current source and a control unit in which the charging current source loads the energy store of the field device with a charging current. A field device carrying out the method includes a chargeable energy store, at least one charging current source and a control unit. The useful life of the field device can be increased by the method and the field device according to the disclosure.