Abstract
The possibilities of converting heat directly into electricity at a current-conducting contact with a discrete temperature drop are investigated. The model of a nondegenerate electron gas is used. It is shown that an energy threshold must be present at the contact in order for an EMF to be generated. It is proposed that a thin layer of a semiconductor be inserted into the gap between the-electrodes in order to decrease the threshold and to obtain a perceptible current at an everage temperature. The EMF, the specific power, and the characteristic (neglecting the phonon and radiative heat conduction) efficiency of such a transducer are calculated, 5 figures, 1 reference.
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