WebBismuth is a chemical element with the symbol Bi and atomic number 83. It is a post-transition metal and one of the pnictogens, with chemical properties resembling its lighter group 15 siblings arsenic and antimony. … WebDec 18, 2024 · Bismuth telluride Bi 2 Te 3 consists of heavy atoms; that is one of the reasons for its high thermoelectric efficiency. Crystal structure of Bi 2 Te 3 (Fig. 1.1, left) is characterized by rhombohedral actual primitive cell (Fig. 1.1, top right).Lattice constant c of the rhombohedral cell (between bottom and top points) equals to approximately 5.08 nm. …
Bismuth Antimonide AMERICAN ELEMENTS
WebApr 5, 2024 · Bismuth telluride is the working material for most Peltier cooling devices and thermoelectric generators. This is because Bi 2 Te 3 (or more precisely its alloys with Sb … WebDec 18, 2024 · Bismuth telluride-based compounds are the most common thermoelectric (TE) materials for power generating systems, which can operate in the temperature … bittner richard ag
Investigating the Performance of Bismuth-Antimony …
WebHeterogeneous nanocomposites of p-type bismuth antimony telluride (Bi{sub 2-x}Sb{sub x}Te{sub 3}) with lead telluride (PbTe) nanoinclusions have been prepared by an incipient wetness impregnation approach. The Seebeck coefficient, electrical resistivity, thermal conductivity and Hall coefficient were measured from 80 to 380 K in order to ... WebAlloying bismuth telluride with antimony telluride and bismuth selenide for p - and n-type materials, respectively, improves the thermoelectric quality factor for use in room temperature modules.As the electronic and thermal transports can vary substantially, the alloy composition is a key engineering parameter. WebMay 2, 2008 · The dimensionless thermoelectric figure of merit (ZT) in bismuth antimony telluride (BiSbTe) bulk alloys has remained around 1 for more than 50 years. We show that a peak ZT of 1.4 at 100 degrees C can be achieved in a p-type nanocrystalline BiSbTe bulk alloy. These nanocrystalline bulk materials were made by hot pressing nanopowders that … dataverse sharepoint integration