Other
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..458.1403c&link_type=abstract
Space technology and applications international forum -1999. AIP Conference Proceedings, Volume 458, pp. 1403-1407 (1999).
Other
Thermoelectric, Electrogasdynamic And Other Direct Energy Conversion
Scientific paper
The integration of new more efficient thermoelectric materials developed at the Jet Propulsion Laboratory into a new high performance segmented thermoelectric generator has been reported earlier. Progress in the development of this new segmented thermoelectric generator is reported in this paper. This generator would operate over a large temperature difference (300-973 K) and uses novel segmented legs based on a combination of state-of-the-art thermoelectric materials and p-type Zn4-xCdxSb3 alloys, p-type CeFe4Sb12-based alloys and n-type CoSb3-based alloys. An increase in the thermoelectric materials conversion efficiency of about 60% is expected compared to Bi2Te3- and PbTe-based generators. A computer program was written to optimize the thermal efficiency of the device. The optimal geometry, power output, efficiency and other properties of the generator were calculated and are presented. In addition results of bonding studies between Zn4Sb3 and Bi0.4Sb1.6Te3 are reported and discussed.
Borshchevsky Alex
Caillat Thierry
Fleurial Jean-Pierre
Snyder Jeffrey G.
Zoltan A.
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