Thermoelectric Module Performance: material_properties_BiTe25
Thermoelectric module (TEC/TEG) performance — Peltier cooler COP, cooling capacity, and voltage at various delta-T and hot-side temperatures, plus thermoelectric material properties (ZT, Seebeck coefficient)
| module category | operating point | ZT | material | notes |
|---|---|---|---|---|
| material_properties_BiTe25 | material | 0.8 | Bi2Te3 | Bi2Te3 at 25C (298K): ZT~0.80 (commercially optimized alloys reach 0.80-1.0), Seebeck S=-210 uV/K (n-type) / +230 uV/K (p-type) avg |220| uV/K; electrical resistivity 9e-6 ohm-m; thermal conductivity 1.5 W/(m-K); near peak performance temperature range 25-100C. Best known near-room-temp TE material. Bi2Te3 alloys with Sb2Te3 (p-type) and Bi2Se3 (n-type) used in commercial TECs. |
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