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ABSTRACTS
In this paper, the development of a thermoelectric generator based on zinc antimonide as the active element is discussed. The various parameters of interest, such as the Seebeck coefficient, the electrical resistivity and thermal conductivity and the thermoelectric figure of merit have been measured as functions of temperature. Powder metallurgy technique of pressed and sintered materials has been adopted in preparing samples.
The design and operation of a typical generator is given. This generator is capable of giving an open circuit voltage of 7 volts and a short circuit current of about 200 ma. The maximum power delivered being about 350 milliwatts.