P2 N4

P2N4

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: AgSSe

Reference: Liang J, Wang T, Qiu P, et al. Flexible thermoelectrics: from silver chalcogenides to full‐inorganic devices. Energ Environ Sci. 2019;12(10):2983‐2990.

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