Rapid densification method of Ag2Se thermoelectric powder

The invention belongs to the technical field of thermoelectric semiconductor materials, and discloses a rapid densification method of Ag2Se thermoelectric powder, which comprises the following steps: 1) filling Ag2Se powder into a mold, applying prestress to slick the powder, and uniformly filling the powder; (2) an electric field is applied to the mold, so that current passes through the Ag2Se powder in the horizontal direction; and 3) after electrifying is finished, demolding to obtain the compact Ag2Se block thermoelectric material. According to the method, the relying relation between the temperature field and the electric field is changed, the electric field is stripped out of the temperature field, a new material densification means with the electric field as the result is formed, the thermoelectric material can be rapidly densified at the low temperature, the problems caused by high-temperature densification are avoided, and the densification efficiency of the thermoelectric material and the sample qua