期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 42, 期 1, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/42/1/015502
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Diffusion bonded very low resistance electrical contacts (specific contact resistance < 10 mu Omega cm(2)) have been developed on n-type PbTe and p-type TAGS-85 ((AgSbTe2)(0.15)(GeTe)(0.85)) thermoelements. Thermoelectric devices (TEDs) having two p-n couples in series (each of four elements having 7.5 mm diameter) generated an output power of 1.2 W (at an operating current of similar to 17 A) at hot side temperature T-h = 500 degrees C and a temperature difference Delta T = 410 degrees C. Internal resistance of the devices was found to increase linearly with an increase in the number of thermoelements. The efficiency of developed TEDs was found to be 6%. The devices have been operated continuously for more than 8 months in air without any degradation of the output power.
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