The invention discloses a lithium-ion battery equivalent circuit model based on a double-layer active substance combined electrode. The model comprises a battery ohmic resistor (i)R(/i)e, a first circuit unit, a second circuit unit, a third circuit unit, a fourth circuit unit, a fifth circuit unit and an embedded capacitor (i)C(/i)int which are in series connection in sequence, wherein lithium ions accumulate or consume the embedded capacitor (i)C(/i)int in an active substance. The equivalent circuit model is suitable for a lithium-ion battery of which an electrode is provided with a double-layer active substance and high in fitting precision, can precisely and effectively analyze electrochemical impedance spectroscopy and conductive particle transportation dynamics in the lithium-ion battery based on the double-layer active substance combined electrode, and has the significant role on comprehensive analysis of all electrochemical performance of the lithium-ion battery.