P2+N3

P2N3

Materials and geometry:  

P Leg: High zT Bi₂Te₃

Reference: Poudel, Bed , et al. "High-Thermoelectric Performance of Nanostructured Bismuth Antimony Telluride Bulk Alloys." ence 320.5876(2008):634-638.

N Leg: Ag₂Se

Reference: Lim, Khak Ho , et al. "Critical role of nanoinclusions in silver selenide nanocomposites as a promising room temperature thermoelectric material." Journal of Materials Chemistry C (2019).

The best COP under different DeltaT:

 

The cooling power density at best COP under different DeltaT :

 

The current density at best COP under different DeltaT :

 

how do COP and cooling power change with current density when deltaT=0.9 delta Tmax:

 

how do COP and cooling power change with current density when deltaT=0.6 delta Tmax:

 

how do COP and cooling power change with current density when deltaT= 0.3delta Tmax:

 

how do COP and cooling power change with current density when deltaT= 0.1delta Tmax:

 

The optimum leg cross-section ratio