Design method of all-solid-state battery pole piece

The invention provides a design method of an all-solid-state battery pole piece, and relates to the field of solid-state batteries. The design method comprises the following steps: acquiring the specific surface area S1, i of a solid electrolyte and the specific surface area S2, i of a conductive agent; correspondingly obtaining m2, i or m1, i by using a balance formula A; obtaining the calculated volume V of the material area, the density rho 1, i of the solid electrolyte, the density rho 2, i of the conductive agent and the density rho 3, i of the active substance; setting a target volume ratio coefficient alpha, and calculating by using a volume ratio coefficient formula B to obtain the calculated mass m3, i of the active substance; and according to m1, i, m2, i and m3, i, calculating to obtain the mass percentage of each of m1, i, m2, i and m3, i in the all-solid-state battery pole piece. According to the design method provided by the invention, the optimal addition amount of each component is quickly obt