Battery charging method and device, electronic equipment and computer readable storage medium

Abstract

The invention relates to a battery charging method. The method comprises steps of obtaining an electric quantity change value of a battery when the voltage of the battery is charged from an initial voltage to a target voltage in a process of charging the battery; according to the voltage difference value between the target voltage and the initial voltage and the electric quantity change value, determining the change value of the electric quantity under the unit voltage; and when the change value of the electric quantity under the unit voltage is smaller than or equal to a preset numerical value, reducing the charging current acting on the battery until the change value of the unit voltage is greater than the preset numerical value. The invention further discloses a battery charging device,electronic equipment and a computer readable storage medium. The method is advantaged in that the maximum charging current which can be borne by the current health condition of the battery is determined according to the change value of the electric quantity under the unit voltage, and the charging current is controlled to be smaller than or equal to the maximum charging current for charging, so the service life of the battery is not influenced, and the charging time is shortened.

Description

technical field [0001] The present application relates to the field of battery technology, in particular to a battery charging method and device, electronic equipment, and a computer-readable storage medium. Background technique [0002] Lithium-ion batteries are widely used in mobile terminals, electric vehicles and ground energy storage due to their advantages of high energy density, high power density, high conversion efficiency and long life. At present, lithium-ion batteries generally adopt constant current, constant voltage or constant current-constant voltage charging methods. These charging methods use a preset current value or voltage value. However, with the use of lithium-ion batteries, the capacity of lithium-ion batteries Attenuation will occur. At this time, the battery is still charged at the preset current value or voltage value, which not only accelerates the aging of the battery, but also increases the charging time. Contents of the invention [0003] Em...

AI Technical Summary

Problems solved by technology

At present, lithium-ion batteries generally adopt constant current, constant voltage or constant current-constant voltage charging methods. These charging methods use a preset current value or voltage value. However, with the use of lithium-ion batteries, the capacity of lithium-ion batteries Attenuation will occur. At this time, charging is still carried out at the preset current value or voltage value, which not only accelerates battery aging, but also increases charging time.

Images