Electrochemical device, method for controlling electrochemical device, electronic apparatus, and storage medium

The embodiment of the invention provides an electrochemical device and a control method thereof, electronic equipment and a storage medium, a negative active material of the electrochemical device comprises a first active material and a second active material, and the discharge capacity per unit mass of the first active material is smaller than that of the second active material. The life cycle of the electrochemical device comprises N cycle sections arranged in sequence, N is a positive integer greater than or equal to 2, each cycle section comprises at least one charge-discharge cycle of the electrochemical device, the electrochemical device performs charge-discharge cycle at the ith cycle section at the ith discharge cut-off voltage, and i is greater than or equal to 1 and less than or equal to N; wherein, for the ith discharge cut-off voltage among the first to (N-1) th discharge cut-off voltages, the ith discharge cut-off voltage is smaller than the (i + 1) th discharge cut-off voltage. According to the