MLPC substrate type aluminum electrolytic capacitor

The invention relates to the technical field of capacitors, in particular to an MLPC substrate type aluminum electrolytic capacitor. The MLPC substrate type aluminum electrolytic capacitor comprises a core, a substrate and a shell, the core comprises a core blank body and an electrode, the core blank body is formed by laminating a plurality of lamination units, each lamination unit comprises an insulation part, an aluminum foil layer and a conductive polymer layer located on the outer side of the aluminum foil layer, and the electrode is arranged on the outer side of the insulation part. The conductive polymer layer is located on the outer side of the insulating part, the conductive graphite layer is located on the outer side of the conductive polymer layer, the aluminum foil layer penetrates through the insulating part, and the conductive polymer layer and the conductive graphite layer are located on the side face of the insulating part. Meanwhile, the invention further provides a preparation method of the M