Fig. 7
From: Numerical analysis of flow configuration and channel design for thermoelectric OTEC systems

Comparison of (a) output power and (b) conversion efficiency of different thermoelectric materials in parallel and counter flows (Material 1— n-type: 75% Bismuth Telluride (Bi2Te3), 25% Bismuth Selenide (Bi2Se3); p-type: 25% Bi2Te3, 75% Antimony Telluride (Sb2Te3); Material 2—n-type: Bismuth Selenide Telluride (Bi2Se0.5Te2.5), p-type: Bismuth Antimony Telluride ((Bi0.2Sb0.8)2Te3))44.