Lithium ion battery energy estimation method and device, electronic equipment and storage medium

The invention provides a lithium ion battery energy estimation method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining a current terminal voltage and a current load current of a lithium ion battery and a mathematical equation of a dual-polarized circuit model corresponding to the lithium ion battery; determining a current battery energy initial value of the lithium ion battery according to the current terminal voltage and the current load current of the lithium ion battery and the mathematical equation of the dual-polarized circuit model corresponding to the lithium ion battery; obtaining the current battery health degree of the lithium ion battery; and according to the current battery health degree and the current battery energy initial value of the lithium ion battery, the current battery energy estimation value of the lithium ion battery is determined, so that the accuracy of battery energy estimation is improved, and the endurance prediction accuracy of