Patent ID: 7723607

Claim:
A cooling device comprising at least two heat transfer plates, a composition disposed between the heat transfer plates, a p-type thermoelectric material disposed between the heat transfer plates, a heat sink, and a power source connected to the composition and to the p-type thermoelectric material; wherein the composition has a skutterudite cubic lattice structure and is described by the formula Co 4-m A m Sb 12-n X n In x M y , where A is selected from one or more members of the group consisting of Fe, Ni, Ru, Rh, Pd, Ir and Pt; X is selected from one or more members of the group consisting of Si, Ga, Ge and Sn; M is selected from one or more members of the group consisting of Ca, Sc, Zn, Sr, Y, Pd, Ag, Cd, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; 0≦m≦1; 0≦n≦9; 0<x<1; 0<y<1; and 0<x+y≦ 1 .